From: Mieczyslaw Nalewaj Date: Sat, 16 Mar 2024 11:00:20 +0000 (+0100) Subject: kernel/ramips: Restore kernel patches for v6.1 X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ed57a9f6a80ef2b0e7a6bece5f7747c853fd4ef1;p=openwrt%2Fstaging%2Fwigyori.git kernel/ramips: Restore kernel patches for v6.1 This is an automatically generated commit which aids following Kernel patch history, as git will see the move and copy as a rename thus defeating the purpose. See: https://lists.openwrt.org/pipermail/openwrt-devel/2023-October/041673.html for the original discussion. Signed-off-by: Mieczyslaw Nalewaj --- diff --git a/target/linux/ramips/patches-6.1/003-v6.3-clk-ralink-fix-mt7621_gate_is_enabled-function.patch b/target/linux/ramips/patches-6.1/003-v6.3-clk-ralink-fix-mt7621_gate_is_enabled-function.patch new file mode 100644 index 0000000000..4574f7977f --- /dev/null +++ b/target/linux/ramips/patches-6.1/003-v6.3-clk-ralink-fix-mt7621_gate_is_enabled-function.patch @@ -0,0 +1,77 @@ +From 35dcae535afc153fa83f2fe51c0812536c192c58 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 6 Feb 2023 09:33:05 +0100 +Subject: [PATCH] clk: ralink: fix 'mt7621_gate_is_enabled()' function + +Compiling clock driver with CONFIG_UBSAN enabled shows the following trace: + +UBSAN: shift-out-of-bounds in drivers/clk/ralink/clk-mt7621.c:121:15 +shift exponent 131072 is too large for 32-bit type 'long unsigned int' +CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.15.86 #0 +Stack : ... + +Call Trace: +[<80009a58>] show_stack+0x38/0x118 +[<8045ce04>] dump_stack_lvl+0x60/0x80 +[<80458868>] ubsan_epilogue+0x10/0x54 +[<804590e0>] __ubsan_handle_shift_out_of_bounds+0x118/0x190 +[<804c9a10>] mt7621_gate_is_enabled+0x98/0xa0 +[<804bb774>] clk_core_is_enabled+0x34/0x90 +[<80aad73c>] clk_disable_unused_subtree+0x98/0x1e4 +[<80aad6d4>] clk_disable_unused_subtree+0x30/0x1e4 +[<80aad6d4>] clk_disable_unused_subtree+0x30/0x1e4 +[<80aad900>] clk_disable_unused+0x78/0x120 +[<80002030>] do_one_initcall+0x54/0x1f0 +[<80a922a4>] kernel_init_freeable+0x280/0x31c +[<808047c4>] kernel_init+0x20/0x118 +[<80003e58>] ret_from_kernel_thread+0x14/0x1c + +Shifting a value (131032) larger than the type (32 bit unsigned integer) +is undefined behaviour in C. + +The problem is in 'mt7621_gate_is_enabled()' function which is using the +'BIT()' kernel macro with the bit index for the clock gate to check if the +bit is set. When the clock gates structure is created driver is already +setting 'bit_idx' using 'BIT()' macro, so we are wrongly applying an extra +'BIT()' mask here. Removing it solve the problem and makes this function +correct. However when clock gating is correctly working, the kernel starts +disabling those clocks that are not requested. Some drivers for this SoC +are older than this clock driver itself. So to avoid the kernel to disable +clocks that have been enabled until now, we must apply 'CLK_IS_CRITICAL' +flag on gates initialization code. + +Fixes: 48df7a26f470 ("clk: ralink: add clock driver for mt7621 SoC") +Signed-off-by: Sergio Paracuellos +Link: https://lore.kernel.org/r/20230206083305.147582-1-sergio.paracuellos@gmail.com +Signed-off-by: Stephen Boyd +--- + drivers/clk/ralink/clk-mt7621.c | 10 ++++++++-- + 1 file changed, 8 insertions(+), 2 deletions(-) + +--- a/drivers/clk/ralink/clk-mt7621.c ++++ b/drivers/clk/ralink/clk-mt7621.c +@@ -121,7 +121,7 @@ static int mt7621_gate_is_enabled(struct + if (regmap_read(sysc, SYSC_REG_CLKCFG1, &val)) + return 0; + +- return val & BIT(clk_gate->bit_idx); ++ return val & clk_gate->bit_idx; + } + + static const struct clk_ops mt7621_gate_ops = { +@@ -133,8 +133,14 @@ static const struct clk_ops mt7621_gate_ + static int mt7621_gate_ops_init(struct device *dev, + struct mt7621_gate *sclk) + { ++ /* ++ * There are drivers for this SoC that are older ++ * than clock driver and are not prepared for the clock. ++ * We don't want the kernel to disable anything so we ++ * add CLK_IS_CRITICAL flag here. ++ */ + struct clk_init_data init = { +- .flags = CLK_SET_RATE_PARENT, ++ .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL, + .num_parents = 1, + .parent_names = &sclk->parent_name, + .ops = &mt7621_gate_ops, diff --git a/target/linux/ramips/patches-6.1/005-v6.5-01-dt-bindings-clock-add-mtmips-SoCs-system-controller.patch b/target/linux/ramips/patches-6.1/005-v6.5-01-dt-bindings-clock-add-mtmips-SoCs-system-controller.patch new file mode 100644 index 0000000000..94784f7885 --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-01-dt-bindings-clock-add-mtmips-SoCs-system-controller.patch @@ -0,0 +1,86 @@ +From 612616e6381929e7f9e303f8b8ad3655cc101516 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:33 +0200 +Subject: [PATCH 1/9] dt-bindings: clock: add mtmips SoCs system controller + +Adds device tree binding documentation for system controller node present +in Mediatek MIPS and Ralink SOCs. This node is a clock and reset provider +for the rest of the world. This covers RT2880, RT3050, RT3052, RT3350, +RT3883, RT5350, MT7620, MT7628 and MT7688 SoCs. + +Reviewed-by: Rob Herring +Acked-by: Stephen Boyd +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + .../bindings/clock/mediatek,mtmips-sysc.yaml | 64 ++++++++++++++++++++++ + 1 file changed, 64 insertions(+) + create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml + +--- /dev/null ++++ b/Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml +@@ -0,0 +1,64 @@ ++# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) ++%YAML 1.2 ++--- ++$id: http://devicetree.org/schemas/clock/mediatek,mtmips-sysc.yaml# ++$schema: http://devicetree.org/meta-schemas/core.yaml# ++ ++title: MTMIPS SoCs System Controller ++ ++maintainers: ++ - Sergio Paracuellos ++ ++description: | ++ MediaTek MIPS and Ralink SoCs provides a system controller to allow ++ to access to system control registers. These registers include clock ++ and reset related ones so this node is both clock and reset provider ++ for the rest of the world. ++ ++ These SoCs have an XTAL from where the cpu clock is ++ provided as well as derived clocks for the bus and the peripherals. ++ ++properties: ++ compatible: ++ items: ++ - enum: ++ - ralink,mt7620-sysc ++ - ralink,mt7628-sysc ++ - ralink,mt7688-sysc ++ - ralink,rt2880-sysc ++ - ralink,rt3050-sysc ++ - ralink,rt3052-sysc ++ - ralink,rt3352-sysc ++ - ralink,rt3883-sysc ++ - ralink,rt5350-sysc ++ - const: syscon ++ ++ reg: ++ maxItems: 1 ++ ++ '#clock-cells': ++ description: ++ The first cell indicates the clock number. ++ const: 1 ++ ++ '#reset-cells': ++ description: ++ The first cell indicates the reset bit within the register. ++ const: 1 ++ ++required: ++ - compatible ++ - reg ++ - '#clock-cells' ++ - '#reset-cells' ++ ++additionalProperties: false ++ ++examples: ++ - | ++ syscon@0 { ++ compatible = "ralink,rt5350-sysc", "syscon"; ++ reg = <0x0 0x100>; ++ #clock-cells = <1>; ++ #reset-cells = <1>; ++ }; diff --git a/target/linux/ramips/patches-6.1/005-v6.5-02-clk-ralink-add-clock-and-reset-driver-for-MTMIPS-SoC.patch b/target/linux/ramips/patches-6.1/005-v6.5-02-clk-ralink-add-clock-and-reset-driver-for-MTMIPS-SoC.patch new file mode 100644 index 0000000000..cef39978e0 --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-02-clk-ralink-add-clock-and-reset-driver-for-MTMIPS-SoC.patch @@ -0,0 +1,1221 @@ +From 6f3b15586eef736831abe6a14f2a6906bc0dc074 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:34 +0200 +Subject: [PATCH 2/9] clk: ralink: add clock and reset driver for MTMIPS SoCs + +Until now, clock related code for old ralink SoCs was based in fixed clocks +using 'clk_register_fixed_rate' and 'clkdev_create' directly doing in code +and not using device tree at all for their definition. Including this driver +is an effort to be able to define proper clocks using device tree and also +cleaning all the clock and reset related code from 'arch/mips/ralink' dir. +This clock and reset driver covers all the ralink SoCs but MT7621 which is +the newest and provides gating and some differences that make it different +from its predecesors. It has its own driver since some time ago. The ralink +SoCs we are taking about are RT2880, RT3050, RT3052, RT3350, RT3352, RT3883, +RT5350, MT7620, MT7628 and MT7688. Mostly the code in this new driver has +been extracted from 'arch/mips/ralink' and cleanly put using kernel clock +driver APIs. The clock plans for this SoCs only talks about relation between +CPU frequency and BUS frequency. This relation is different depending on the +particular SoC. CPU clock is derived from XTAL frequencies. + +Depending on the SoC we have the following frequencies: +* RT2880 SoC: + - XTAL: 40 MHz. + - CPU: 250, 266, 280 or 300 MHz. + - BUS: CPU / 2 MHz. +* RT3050, RT3052, RT3350: + - XTAL: 40 MHz. + - CPU: 320 or 384 MHz. + - BUS: CPU / 3 MHz. +* RT3352: + - XTAL: 40 MHz. + - CPU: 384 or 400 MHz. + - BUS: CPU / 3 MHz. + - PERIPH: 40 MHz. +* RT3383: + - XTAL: 40 MHz. + - CPU: 250, 384, 480 or 500 MHz. + - BUS: Depends on RAM Type and CPU: + + RAM DDR2: 125. ELSE 83 MHz. + + RAM DDR2: 128. ELSE 96 MHz. + + RAM DDR2: 160. ELSE 120 MHz. + + RAM DDR2: 166. ELSE 125 MHz. +* RT5350: + - XTAL: 40 MHz. + - CPU: 300, 320 or 360 MHz. + - BUS: CPU / 3, CPU / 4, CPU / 3 MHz. + - PERIPH: 40 MHz. +* MT7628 and MT7688: + - XTAL: 20 MHz or 40 MHz. + - CPU: 575 or 580 MHz. + - BUS: CPU / 3. + - PCMI2S: 480 MHz. + - PERIPH: 40 MHz. +* MT7620: + - XTAL: 20 MHz or 40 MHz. + - PLL: XTAL, 480, 600 MHz. + - CPU: depends on PLL and some mult and dividers. + - BUS: depends on PLL and some mult and dividers. + - PERIPH: 40 or XTAL MHz. + +MT7620 is a bit more complex deriving CPU clock from a PLL and an bunch of +register reads and predividers. To derive CPU and BUS frequencies in the +MT7620 SoC 'mt7620_calc_rate()' helper is used. + +In the case XTAL can have different frequencies and we need a different +clock frequency for peripherals 'periph' clock in introduced. + +The rest of the peripherals present in the SoC just follow their parent +frequencies. + +With this information the clk driver will provide all the clock and reset +functionality from a set of hardcoded clocks allowing to define a nice +device tree without fixed clocks. + +Acked-by: Stephen Boyd +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + drivers/clk/ralink/Kconfig | 7 + + drivers/clk/ralink/Makefile | 1 + + drivers/clk/ralink/clk-mtmips.c | 1115 +++++++++++++++++++++++++++++++++++++++ + 3 files changed, 1123 insertions(+) + create mode 100644 drivers/clk/ralink/clk-mtmips.c + +--- a/drivers/clk/ralink/Kconfig ++++ b/drivers/clk/ralink/Kconfig +@@ -9,3 +9,10 @@ config CLK_MT7621 + select MFD_SYSCON + help + This driver supports MediaTek MT7621 basic clocks. ++ ++config CLK_MTMIPS ++ bool "Clock driver for MTMIPS SoCs" ++ depends on SOC_RT305X || SOC_RT288X || SOC_RT3883 || SOC_MT7620 || COMPILE_TEST ++ select MFD_SYSCON ++ help ++ This driver supports MTMIPS basic clocks. +--- a/drivers/clk/ralink/Makefile ++++ b/drivers/clk/ralink/Makefile +@@ -1,2 +1,3 @@ + # SPDX-License-Identifier: GPL-2.0 + obj-$(CONFIG_CLK_MT7621) += clk-mt7621.o ++obj-$(CONFIG_CLK_MTMIPS) += clk-mtmips.o +--- /dev/null ++++ b/drivers/clk/ralink/clk-mtmips.c +@@ -0,0 +1,1115 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * MTMIPS SoCs Clock Driver ++ * Author: Sergio Paracuellos ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++/* Configuration registers */ ++#define SYSC_REG_SYSTEM_CONFIG 0x10 ++#define SYSC_REG_CLKCFG0 0x2c ++#define SYSC_REG_RESET_CTRL 0x34 ++#define SYSC_REG_CPU_SYS_CLKCFG 0x3c ++#define SYSC_REG_CPLL_CONFIG0 0x54 ++#define SYSC_REG_CPLL_CONFIG1 0x58 ++ ++/* RT2880 SoC */ ++#define RT2880_CONFIG_CPUCLK_SHIFT 20 ++#define RT2880_CONFIG_CPUCLK_MASK 0x3 ++#define RT2880_CONFIG_CPUCLK_250 0x0 ++#define RT2880_CONFIG_CPUCLK_266 0x1 ++#define RT2880_CONFIG_CPUCLK_280 0x2 ++#define RT2880_CONFIG_CPUCLK_300 0x3 ++ ++/* RT305X SoC */ ++#define RT305X_SYSCFG_CPUCLK_SHIFT 18 ++#define RT305X_SYSCFG_CPUCLK_MASK 0x1 ++#define RT305X_SYSCFG_CPUCLK_LOW 0x0 ++#define RT305X_SYSCFG_CPUCLK_HIGH 0x1 ++ ++/* RT3352 SoC */ ++#define RT3352_SYSCFG0_CPUCLK_SHIFT 8 ++#define RT3352_SYSCFG0_CPUCLK_MASK 0x1 ++#define RT3352_SYSCFG0_CPUCLK_LOW 0x0 ++#define RT3352_SYSCFG0_CPUCLK_HIGH 0x1 ++ ++/* RT3383 SoC */ ++#define RT3883_SYSCFG0_DRAM_TYPE_DDR2 BIT(17) ++#define RT3883_SYSCFG0_CPUCLK_SHIFT 8 ++#define RT3883_SYSCFG0_CPUCLK_MASK 0x3 ++#define RT3883_SYSCFG0_CPUCLK_250 0x0 ++#define RT3883_SYSCFG0_CPUCLK_384 0x1 ++#define RT3883_SYSCFG0_CPUCLK_480 0x2 ++#define RT3883_SYSCFG0_CPUCLK_500 0x3 ++ ++/* RT5350 SoC */ ++#define RT5350_CLKCFG0_XTAL_SEL BIT(20) ++#define RT5350_SYSCFG0_CPUCLK_SHIFT 8 ++#define RT5350_SYSCFG0_CPUCLK_MASK 0x3 ++#define RT5350_SYSCFG0_CPUCLK_360 0x0 ++#define RT5350_SYSCFG0_CPUCLK_320 0x2 ++#define RT5350_SYSCFG0_CPUCLK_300 0x3 ++ ++/* MT7620 and MT76x8 SoCs */ ++#define MT7620_XTAL_FREQ_SEL BIT(6) ++#define CPLL_CFG0_SW_CFG BIT(31) ++#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16 ++#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7 ++#define CPLL_CFG0_LC_CURFCK BIT(15) ++#define CPLL_CFG0_BYPASS_REF_CLK BIT(14) ++#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10 ++#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3 ++#define CPLL_CFG1_CPU_AUX1 BIT(25) ++#define CPLL_CFG1_CPU_AUX0 BIT(24) ++#define CLKCFG0_PERI_CLK_SEL BIT(4) ++#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16 ++#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf ++#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */ ++#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */ ++#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */ ++#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */ ++#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */ ++#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */ ++#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */ ++#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */ ++#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */ ++#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8 ++#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f ++#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0 ++#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f ++ ++/* clock scaling */ ++#define CLKCFG_FDIV_MASK 0x1f00 ++#define CLKCFG_FDIV_USB_VAL 0x0300 ++#define CLKCFG_FFRAC_MASK 0x001f ++#define CLKCFG_FFRAC_USB_VAL 0x0003 ++ ++struct mtmips_clk; ++struct mtmips_clk_fixed; ++struct mtmips_clk_factor; ++ ++struct mtmips_clk_data { ++ struct mtmips_clk *clk_base; ++ size_t num_clk_base; ++ struct mtmips_clk_fixed *clk_fixed; ++ size_t num_clk_fixed; ++ struct mtmips_clk_factor *clk_factor; ++ size_t num_clk_factor; ++ struct mtmips_clk *clk_periph; ++ size_t num_clk_periph; ++}; ++ ++struct mtmips_clk_priv { ++ struct regmap *sysc; ++ const struct mtmips_clk_data *data; ++}; ++ ++struct mtmips_clk { ++ struct clk_hw hw; ++ struct mtmips_clk_priv *priv; ++}; ++ ++struct mtmips_clk_fixed { ++ const char *name; ++ const char *parent; ++ unsigned long rate; ++ struct clk_hw *hw; ++}; ++ ++struct mtmips_clk_factor { ++ const char *name; ++ const char *parent; ++ int mult; ++ int div; ++ unsigned long flags; ++ struct clk_hw *hw; ++}; ++ ++static unsigned long mtmips_pherip_clk_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ return parent_rate; ++} ++ ++static const struct clk_ops mtmips_periph_clk_ops = { ++ .recalc_rate = mtmips_pherip_clk_rate, ++}; ++ ++#define CLK_PERIPH(_name, _parent) { \ ++ .init = &(const struct clk_init_data) { \ ++ .name = _name, \ ++ .ops = &mtmips_periph_clk_ops, \ ++ .parent_data = &(const struct clk_parent_data) {\ ++ .name = _parent, \ ++ .fw_name = _parent \ ++ }, \ ++ .num_parents = 1, \ ++ /* \ ++ * There are drivers for these SoCs that are \ ++ * older than clock driver and are not prepared \ ++ * for the clock. We don't want the kernel to \ ++ * disable anything so we add CLK_IS_CRITICAL \ ++ * flag here. \ ++ */ \ ++ .flags = CLK_SET_RATE_PARENT | CLK_IS_CRITICAL \ ++ }, \ ++} ++ ++static struct mtmips_clk rt2880_pherip_clks[] = { ++ { CLK_PERIPH("300100.timer", "bus") }, ++ { CLK_PERIPH("300120.watchdog", "bus") }, ++ { CLK_PERIPH("300500.uart", "bus") }, ++ { CLK_PERIPH("300900.i2c", "bus") }, ++ { CLK_PERIPH("300c00.uartlite", "bus") }, ++ { CLK_PERIPH("400000.ethernet", "bus") }, ++ { CLK_PERIPH("480000.wmac", "xtal") } ++}; ++ ++static struct mtmips_clk rt305x_pherip_clks[] = { ++ { CLK_PERIPH("10000100.timer", "bus") }, ++ { CLK_PERIPH("10000120.watchdog", "bus") }, ++ { CLK_PERIPH("10000500.uart", "bus") }, ++ { CLK_PERIPH("10000900.i2c", "bus") }, ++ { CLK_PERIPH("10000a00.i2s", "bus") }, ++ { CLK_PERIPH("10000b00.spi", "bus") }, ++ { CLK_PERIPH("10000b40.spi", "bus") }, ++ { CLK_PERIPH("10000c00.uartlite", "bus") }, ++ { CLK_PERIPH("10100000.ethernet", "bus") }, ++ { CLK_PERIPH("10180000.wmac", "xtal") } ++}; ++ ++static struct mtmips_clk rt5350_pherip_clks[] = { ++ { CLK_PERIPH("10000100.timer", "bus") }, ++ { CLK_PERIPH("10000120.watchdog", "bus") }, ++ { CLK_PERIPH("10000500.uart", "periph") }, ++ { CLK_PERIPH("10000900.i2c", "periph") }, ++ { CLK_PERIPH("10000a00.i2s", "periph") }, ++ { CLK_PERIPH("10000b00.spi", "bus") }, ++ { CLK_PERIPH("10000b40.spi", "bus") }, ++ { CLK_PERIPH("10000c00.uartlite", "periph") }, ++ { CLK_PERIPH("10100000.ethernet", "bus") }, ++ { CLK_PERIPH("10180000.wmac", "xtal") } ++}; ++ ++static struct mtmips_clk mt7620_pherip_clks[] = { ++ { CLK_PERIPH("10000100.timer", "periph") }, ++ { CLK_PERIPH("10000120.watchdog", "periph") }, ++ { CLK_PERIPH("10000500.uart", "periph") }, ++ { CLK_PERIPH("10000900.i2c", "periph") }, ++ { CLK_PERIPH("10000a00.i2s", "periph") }, ++ { CLK_PERIPH("10000b00.spi", "bus") }, ++ { CLK_PERIPH("10000b40.spi", "bus") }, ++ { CLK_PERIPH("10000c00.uartlite", "periph") }, ++ { CLK_PERIPH("10180000.wmac", "xtal") } ++}; ++ ++static struct mtmips_clk mt76x8_pherip_clks[] = { ++ { CLK_PERIPH("10000100.timer", "periph") }, ++ { CLK_PERIPH("10000120.watchdog", "periph") }, ++ { CLK_PERIPH("10000900.i2c", "periph") }, ++ { CLK_PERIPH("10000a00.i2s", "pcmi2s") }, ++ { CLK_PERIPH("10000b00.spi", "bus") }, ++ { CLK_PERIPH("10000b40.spi", "bus") }, ++ { CLK_PERIPH("10000c00.uart0", "periph") }, ++ { CLK_PERIPH("10000d00.uart1", "periph") }, ++ { CLK_PERIPH("10000e00.uart2", "periph") }, ++ { CLK_PERIPH("10300000.wmac", "xtal") } ++}; ++ ++static int mtmips_register_pherip_clocks(struct device_node *np, ++ struct clk_hw_onecell_data *clk_data, ++ struct mtmips_clk_priv *priv) ++{ ++ struct clk_hw **hws = clk_data->hws; ++ struct mtmips_clk *sclk; ++ size_t idx_start = priv->data->num_clk_base + priv->data->num_clk_fixed + ++ priv->data->num_clk_factor; ++ int ret, i; ++ ++ for (i = 0; i < priv->data->num_clk_periph; i++) { ++ int idx = idx_start + i; ++ ++ sclk = &priv->data->clk_periph[i]; ++ ret = of_clk_hw_register(np, &sclk->hw); ++ if (ret) { ++ pr_err("Couldn't register peripheral clock %d\n", idx); ++ goto err_clk_unreg; ++ } ++ ++ hws[idx] = &sclk->hw; ++ } ++ ++ return 0; ++ ++err_clk_unreg: ++ while (--i >= 0) { ++ sclk = &priv->data->clk_periph[i]; ++ clk_hw_unregister(&sclk->hw); ++ } ++ return ret; ++} ++ ++#define CLK_FIXED(_name, _parent, _rate) \ ++ { \ ++ .name = _name, \ ++ .parent = _parent, \ ++ .rate = _rate \ ++ } ++ ++static struct mtmips_clk_fixed rt305x_fixed_clocks[] = { ++ CLK_FIXED("xtal", NULL, 40000000) ++}; ++ ++static struct mtmips_clk_fixed rt3352_fixed_clocks[] = { ++ CLK_FIXED("periph", "xtal", 40000000) ++}; ++ ++static struct mtmips_clk_fixed mt76x8_fixed_clocks[] = { ++ CLK_FIXED("pcmi2s", "xtal", 480000000), ++ CLK_FIXED("periph", "xtal", 40000000) ++}; ++ ++static int mtmips_register_fixed_clocks(struct clk_hw_onecell_data *clk_data, ++ struct mtmips_clk_priv *priv) ++{ ++ struct clk_hw **hws = clk_data->hws; ++ struct mtmips_clk_fixed *sclk; ++ size_t idx_start = priv->data->num_clk_base; ++ int ret, i; ++ ++ for (i = 0; i < priv->data->num_clk_fixed; i++) { ++ int idx = idx_start + i; ++ ++ sclk = &priv->data->clk_fixed[i]; ++ sclk->hw = clk_hw_register_fixed_rate(NULL, sclk->name, ++ sclk->parent, 0, ++ sclk->rate); ++ if (IS_ERR(sclk->hw)) { ++ pr_err("Couldn't register fixed clock %d\n", idx); ++ goto err_clk_unreg; ++ } ++ ++ hws[idx] = sclk->hw; ++ } ++ ++ return 0; ++ ++err_clk_unreg: ++ while (--i >= 0) { ++ sclk = &priv->data->clk_fixed[i]; ++ clk_hw_unregister_fixed_rate(sclk->hw); ++ } ++ return ret; ++} ++ ++#define CLK_FACTOR(_name, _parent, _mult, _div) \ ++ { \ ++ .name = _name, \ ++ .parent = _parent, \ ++ .mult = _mult, \ ++ .div = _div, \ ++ .flags = CLK_SET_RATE_PARENT \ ++ } ++ ++static struct mtmips_clk_factor rt2880_factor_clocks[] = { ++ CLK_FACTOR("bus", "cpu", 1, 2) ++}; ++ ++static struct mtmips_clk_factor rt305x_factor_clocks[] = { ++ CLK_FACTOR("bus", "cpu", 1, 3) ++}; ++ ++static int mtmips_register_factor_clocks(struct clk_hw_onecell_data *clk_data, ++ struct mtmips_clk_priv *priv) ++{ ++ struct clk_hw **hws = clk_data->hws; ++ struct mtmips_clk_factor *sclk; ++ size_t idx_start = priv->data->num_clk_base + priv->data->num_clk_fixed; ++ int ret, i; ++ ++ for (i = 0; i < priv->data->num_clk_factor; i++) { ++ int idx = idx_start + i; ++ ++ sclk = &priv->data->clk_factor[i]; ++ sclk->hw = clk_hw_register_fixed_factor(NULL, sclk->name, ++ sclk->parent, sclk->flags, ++ sclk->mult, sclk->div); ++ if (IS_ERR(sclk->hw)) { ++ pr_err("Couldn't register factor clock %d\n", idx); ++ goto err_clk_unreg; ++ } ++ ++ hws[idx] = sclk->hw; ++ } ++ ++ return 0; ++ ++err_clk_unreg: ++ while (--i >= 0) { ++ sclk = &priv->data->clk_factor[i]; ++ clk_hw_unregister_fixed_factor(sclk->hw); ++ } ++ return ret; ++} ++ ++static inline struct mtmips_clk *to_mtmips_clk(struct clk_hw *hw) ++{ ++ return container_of(hw, struct mtmips_clk, hw); ++} ++ ++static unsigned long rt5350_xtal_recalc_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 val; ++ ++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &val); ++ if (!(val & RT5350_CLKCFG0_XTAL_SEL)) ++ return 20000000; ++ ++ return 40000000; ++} ++ ++static unsigned long rt5350_cpu_recalc_rate(struct clk_hw *hw, ++ unsigned long xtal_clk) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ ++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t); ++ t = (t >> RT5350_SYSCFG0_CPUCLK_SHIFT) & RT5350_SYSCFG0_CPUCLK_MASK; ++ ++ switch (t) { ++ case RT5350_SYSCFG0_CPUCLK_360: ++ return 360000000; ++ case RT5350_SYSCFG0_CPUCLK_320: ++ return 320000000; ++ case RT5350_SYSCFG0_CPUCLK_300: ++ return 300000000; ++ default: ++ BUG(); ++ } ++} ++ ++static unsigned long rt5350_bus_recalc_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ if (parent_rate == 320000000) ++ return parent_rate / 4; ++ ++ return parent_rate / 3; ++} ++ ++static unsigned long rt3352_cpu_recalc_rate(struct clk_hw *hw, ++ unsigned long xtal_clk) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ ++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t); ++ t = (t >> RT3352_SYSCFG0_CPUCLK_SHIFT) & RT3352_SYSCFG0_CPUCLK_MASK; ++ ++ switch (t) { ++ case RT3352_SYSCFG0_CPUCLK_LOW: ++ return 384000000; ++ case RT3352_SYSCFG0_CPUCLK_HIGH: ++ return 400000000; ++ default: ++ BUG(); ++ } ++} ++ ++static unsigned long rt305x_cpu_recalc_rate(struct clk_hw *hw, ++ unsigned long xtal_clk) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ ++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t); ++ t = (t >> RT305X_SYSCFG_CPUCLK_SHIFT) & RT305X_SYSCFG_CPUCLK_MASK; ++ ++ switch (t) { ++ case RT305X_SYSCFG_CPUCLK_LOW: ++ return 320000000; ++ case RT305X_SYSCFG_CPUCLK_HIGH: ++ return 384000000; ++ default: ++ BUG(); ++ } ++} ++ ++static unsigned long rt3883_cpu_recalc_rate(struct clk_hw *hw, ++ unsigned long xtal_clk) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ ++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t); ++ t = (t >> RT3883_SYSCFG0_CPUCLK_SHIFT) & RT3883_SYSCFG0_CPUCLK_MASK; ++ ++ switch (t) { ++ case RT3883_SYSCFG0_CPUCLK_250: ++ return 250000000; ++ case RT3883_SYSCFG0_CPUCLK_384: ++ return 384000000; ++ case RT3883_SYSCFG0_CPUCLK_480: ++ return 480000000; ++ case RT3883_SYSCFG0_CPUCLK_500: ++ return 500000000; ++ default: ++ BUG(); ++ } ++} ++ ++static unsigned long rt3883_bus_recalc_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 ddr2; ++ u32 t; ++ ++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t); ++ ddr2 = t & RT3883_SYSCFG0_DRAM_TYPE_DDR2; ++ ++ switch (parent_rate) { ++ case 250000000: ++ return (ddr2) ? 125000000 : 83000000; ++ case 384000000: ++ return (ddr2) ? 128000000 : 96000000; ++ case 480000000: ++ return (ddr2) ? 160000000 : 120000000; ++ case 500000000: ++ return (ddr2) ? 166000000 : 125000000; ++ default: ++ WARN_ON_ONCE(parent_rate == 0); ++ return parent_rate / 4; ++ } ++} ++ ++static unsigned long rt2880_cpu_recalc_rate(struct clk_hw *hw, ++ unsigned long xtal_clk) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ ++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t); ++ t = (t >> RT2880_CONFIG_CPUCLK_SHIFT) & RT2880_CONFIG_CPUCLK_MASK; ++ ++ switch (t) { ++ case RT2880_CONFIG_CPUCLK_250: ++ return 250000000; ++ case RT2880_CONFIG_CPUCLK_266: ++ return 266000000; ++ case RT2880_CONFIG_CPUCLK_280: ++ return 280000000; ++ case RT2880_CONFIG_CPUCLK_300: ++ return 300000000; ++ default: ++ BUG(); ++ } ++} ++ ++static u32 mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div) ++{ ++ u64 t; ++ ++ t = ref_rate; ++ t *= mul; ++ t = div_u64(t, div); ++ ++ return t; ++} ++ ++static unsigned long mt7620_pll_recalc_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ static const u32 clk_divider[] = { 2, 3, 4, 8 }; ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ unsigned long cpu_pll; ++ u32 t; ++ u32 mul; ++ u32 div; ++ ++ regmap_read(sysc, SYSC_REG_CPLL_CONFIG0, &t); ++ if (t & CPLL_CFG0_BYPASS_REF_CLK) { ++ cpu_pll = parent_rate; ++ } else if ((t & CPLL_CFG0_SW_CFG) == 0) { ++ cpu_pll = 600000000; ++ } else { ++ mul = (t >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) & ++ CPLL_CFG0_PLL_MULT_RATIO_MASK; ++ mul += 24; ++ if (t & CPLL_CFG0_LC_CURFCK) ++ mul *= 2; ++ ++ div = (t >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) & ++ CPLL_CFG0_PLL_DIV_RATIO_MASK; ++ ++ WARN_ON_ONCE(div >= ARRAY_SIZE(clk_divider)); ++ ++ cpu_pll = mt7620_calc_rate(parent_rate, mul, clk_divider[div]); ++ } ++ ++ regmap_read(sysc, SYSC_REG_CPLL_CONFIG1, &t); ++ if (t & CPLL_CFG1_CPU_AUX1) ++ return parent_rate; ++ ++ if (t & CPLL_CFG1_CPU_AUX0) ++ return 480000000; ++ ++ return cpu_pll; ++} ++ ++static unsigned long mt7620_cpu_recalc_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ u32 mul; ++ u32 div; ++ ++ regmap_read(sysc, SYSC_REG_CPU_SYS_CLKCFG, &t); ++ mul = t & CPU_SYS_CLKCFG_CPU_FFRAC_MASK; ++ div = (t >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) & ++ CPU_SYS_CLKCFG_CPU_FDIV_MASK; ++ ++ return mt7620_calc_rate(parent_rate, mul, div); ++} ++ ++static unsigned long mt7620_bus_recalc_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ static const u32 ocp_dividers[16] = { ++ [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2, ++ [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3, ++ [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4, ++ [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5, ++ [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10, ++ }; ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ u32 ocp_ratio; ++ u32 div; ++ ++ regmap_read(sysc, SYSC_REG_CPU_SYS_CLKCFG, &t); ++ ocp_ratio = (t >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) & ++ CPU_SYS_CLKCFG_OCP_RATIO_MASK; ++ ++ if (WARN_ON_ONCE(ocp_ratio >= ARRAY_SIZE(ocp_dividers))) ++ return parent_rate; ++ ++ div = ocp_dividers[ocp_ratio]; ++ ++ if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio)) ++ return parent_rate; ++ ++ return parent_rate / div; ++} ++ ++static unsigned long mt7620_periph_recalc_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ ++ regmap_read(sysc, SYSC_REG_CLKCFG0, &t); ++ if (t & CLKCFG0_PERI_CLK_SEL) ++ return parent_rate; ++ ++ return 40000000; ++} ++ ++static unsigned long mt76x8_xtal_recalc_rate(struct clk_hw *hw, ++ unsigned long parent_rate) ++{ ++ struct mtmips_clk *clk = to_mtmips_clk(hw); ++ struct regmap *sysc = clk->priv->sysc; ++ u32 t; ++ ++ regmap_read(sysc, SYSC_REG_SYSTEM_CONFIG, &t); ++ if (t & MT7620_XTAL_FREQ_SEL) ++ return 40000000; ++ ++ return 20000000; ++} ++ ++static unsigned long mt76x8_cpu_recalc_rate(struct clk_hw *hw, ++ unsigned long xtal_clk) ++{ ++ if (xtal_clk == 40000000) ++ return 580000000; ++ ++ return 575000000; ++} ++ ++#define CLK_BASE(_name, _parent, _recalc) { \ ++ .init = &(const struct clk_init_data) { \ ++ .name = _name, \ ++ .ops = &(const struct clk_ops) { \ ++ .recalc_rate = _recalc, \ ++ }, \ ++ .parent_data = &(const struct clk_parent_data) { \ ++ .name = _parent, \ ++ .fw_name = _parent \ ++ }, \ ++ .num_parents = _parent ? 1 : 0 \ ++ }, \ ++} ++ ++static struct mtmips_clk rt2880_clks_base[] = { ++ { CLK_BASE("cpu", "xtal", rt2880_cpu_recalc_rate) } ++}; ++ ++static struct mtmips_clk rt305x_clks_base[] = { ++ { CLK_BASE("cpu", "xtal", rt305x_cpu_recalc_rate) } ++}; ++ ++static struct mtmips_clk rt3352_clks_base[] = { ++ { CLK_BASE("xtal", NULL, rt5350_xtal_recalc_rate) }, ++ { CLK_BASE("cpu", "xtal", rt3352_cpu_recalc_rate) } ++}; ++ ++static struct mtmips_clk rt3883_clks_base[] = { ++ { CLK_BASE("cpu", "xtal", rt3883_cpu_recalc_rate) }, ++ { CLK_BASE("bus", "cpu", rt3883_bus_recalc_rate) } ++}; ++ ++static struct mtmips_clk rt5350_clks_base[] = { ++ { CLK_BASE("xtal", NULL, rt5350_xtal_recalc_rate) }, ++ { CLK_BASE("cpu", "xtal", rt5350_cpu_recalc_rate) }, ++ { CLK_BASE("bus", "cpu", rt5350_bus_recalc_rate) } ++}; ++ ++static struct mtmips_clk mt7620_clks_base[] = { ++ { CLK_BASE("xtal", NULL, mt76x8_xtal_recalc_rate) }, ++ { CLK_BASE("pll", "xtal", mt7620_pll_recalc_rate) }, ++ { CLK_BASE("cpu", "pll", mt7620_cpu_recalc_rate) }, ++ { CLK_BASE("periph", "xtal", mt7620_periph_recalc_rate) }, ++ { CLK_BASE("bus", "cpu", mt7620_bus_recalc_rate) } ++}; ++ ++static struct mtmips_clk mt76x8_clks_base[] = { ++ { CLK_BASE("xtal", NULL, mt76x8_xtal_recalc_rate) }, ++ { CLK_BASE("cpu", "xtal", mt76x8_cpu_recalc_rate) } ++}; ++ ++static int mtmips_register_clocks(struct device_node *np, ++ struct clk_hw_onecell_data *clk_data, ++ struct mtmips_clk_priv *priv) ++{ ++ struct clk_hw **hws = clk_data->hws; ++ struct mtmips_clk *sclk; ++ int ret, i; ++ ++ for (i = 0; i < priv->data->num_clk_base; i++) { ++ sclk = &priv->data->clk_base[i]; ++ sclk->priv = priv; ++ ret = of_clk_hw_register(np, &sclk->hw); ++ if (ret) { ++ pr_err("Couldn't register top clock %i\n", i); ++ goto err_clk_unreg; ++ } ++ ++ hws[i] = &sclk->hw; ++ } ++ ++ return 0; ++ ++err_clk_unreg: ++ while (--i >= 0) { ++ sclk = &priv->data->clk_base[i]; ++ clk_hw_unregister(&sclk->hw); ++ } ++ return ret; ++} ++ ++static const struct mtmips_clk_data rt2880_clk_data = { ++ .clk_base = rt2880_clks_base, ++ .num_clk_base = ARRAY_SIZE(rt2880_clks_base), ++ .clk_fixed = rt305x_fixed_clocks, ++ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks), ++ .clk_factor = rt2880_factor_clocks, ++ .num_clk_factor = ARRAY_SIZE(rt2880_factor_clocks), ++ .clk_periph = rt2880_pherip_clks, ++ .num_clk_periph = ARRAY_SIZE(rt2880_pherip_clks), ++}; ++ ++static const struct mtmips_clk_data rt305x_clk_data = { ++ .clk_base = rt305x_clks_base, ++ .num_clk_base = ARRAY_SIZE(rt305x_clks_base), ++ .clk_fixed = rt305x_fixed_clocks, ++ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks), ++ .clk_factor = rt305x_factor_clocks, ++ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks), ++ .clk_periph = rt305x_pherip_clks, ++ .num_clk_periph = ARRAY_SIZE(rt305x_pherip_clks), ++}; ++ ++static const struct mtmips_clk_data rt3352_clk_data = { ++ .clk_base = rt3352_clks_base, ++ .num_clk_base = ARRAY_SIZE(rt3352_clks_base), ++ .clk_fixed = rt3352_fixed_clocks, ++ .num_clk_fixed = ARRAY_SIZE(rt3352_fixed_clocks), ++ .clk_factor = rt305x_factor_clocks, ++ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks), ++ .clk_periph = rt5350_pherip_clks, ++ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks), ++}; ++ ++static const struct mtmips_clk_data rt3883_clk_data = { ++ .clk_base = rt3883_clks_base, ++ .num_clk_base = ARRAY_SIZE(rt3883_clks_base), ++ .clk_fixed = rt305x_fixed_clocks, ++ .num_clk_fixed = ARRAY_SIZE(rt305x_fixed_clocks), ++ .clk_factor = NULL, ++ .num_clk_factor = 0, ++ .clk_periph = rt5350_pherip_clks, ++ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks), ++}; ++ ++static const struct mtmips_clk_data rt5350_clk_data = { ++ .clk_base = rt5350_clks_base, ++ .num_clk_base = ARRAY_SIZE(rt5350_clks_base), ++ .clk_fixed = rt3352_fixed_clocks, ++ .num_clk_fixed = ARRAY_SIZE(rt3352_fixed_clocks), ++ .clk_factor = NULL, ++ .num_clk_factor = 0, ++ .clk_periph = rt5350_pherip_clks, ++ .num_clk_periph = ARRAY_SIZE(rt5350_pherip_clks), ++}; ++ ++static const struct mtmips_clk_data mt7620_clk_data = { ++ .clk_base = mt7620_clks_base, ++ .num_clk_base = ARRAY_SIZE(mt7620_clks_base), ++ .clk_fixed = NULL, ++ .num_clk_fixed = 0, ++ .clk_factor = NULL, ++ .num_clk_factor = 0, ++ .clk_periph = mt7620_pherip_clks, ++ .num_clk_periph = ARRAY_SIZE(mt7620_pherip_clks), ++}; ++ ++static const struct mtmips_clk_data mt76x8_clk_data = { ++ .clk_base = mt76x8_clks_base, ++ .num_clk_base = ARRAY_SIZE(mt76x8_clks_base), ++ .clk_fixed = mt76x8_fixed_clocks, ++ .num_clk_fixed = ARRAY_SIZE(mt76x8_fixed_clocks), ++ .clk_factor = rt305x_factor_clocks, ++ .num_clk_factor = ARRAY_SIZE(rt305x_factor_clocks), ++ .clk_periph = mt76x8_pherip_clks, ++ .num_clk_periph = ARRAY_SIZE(mt76x8_pherip_clks), ++}; ++ ++static const struct of_device_id mtmips_of_match[] = { ++ { ++ .compatible = "ralink,rt2880-sysc", ++ .data = &rt2880_clk_data, ++ }, ++ { ++ .compatible = "ralink,rt3050-sysc", ++ .data = &rt305x_clk_data, ++ }, ++ { ++ .compatible = "ralink,rt3052-sysc", ++ .data = &rt305x_clk_data, ++ }, ++ { ++ .compatible = "ralink,rt3352-sysc", ++ .data = &rt3352_clk_data, ++ }, ++ { ++ .compatible = "ralink,rt3883-sysc", ++ .data = &rt3883_clk_data, ++ }, ++ { ++ .compatible = "ralink,rt5350-sysc", ++ .data = &rt5350_clk_data, ++ }, ++ { ++ .compatible = "ralink,mt7620-sysc", ++ .data = &mt7620_clk_data, ++ }, ++ { ++ .compatible = "ralink,mt7628-sysc", ++ .data = &mt76x8_clk_data, ++ }, ++ { ++ .compatible = "ralink,mt7688-sysc", ++ .data = &mt76x8_clk_data, ++ }, ++ {} ++}; ++ ++static void __init mtmips_clk_regs_init(struct device_node *node, ++ struct mtmips_clk_priv *priv) ++{ ++ u32 t; ++ ++ if (!of_device_is_compatible(node, "ralink,mt7620-sysc")) ++ return; ++ ++ /* ++ * When the CPU goes into sleep mode, the BUS ++ * clock will be too low for USB to function properly. ++ * Adjust the busses fractional divider to fix this ++ */ ++ regmap_read(priv->sysc, SYSC_REG_CPU_SYS_CLKCFG, &t); ++ t &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK); ++ t |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL; ++ regmap_write(priv->sysc, SYSC_REG_CPU_SYS_CLKCFG, t); ++} ++ ++static void __init mtmips_clk_init(struct device_node *node) ++{ ++ const struct of_device_id *match; ++ const struct mtmips_clk_data *data; ++ struct mtmips_clk_priv *priv; ++ struct clk_hw_onecell_data *clk_data; ++ int ret, i, count; ++ ++ priv = kzalloc(sizeof(*priv), GFP_KERNEL); ++ if (!priv) ++ return; ++ ++ priv->sysc = syscon_node_to_regmap(node); ++ if (IS_ERR(priv->sysc)) { ++ pr_err("Could not get sysc syscon regmap\n"); ++ goto free_clk_priv; ++ } ++ ++ mtmips_clk_regs_init(node, priv); ++ ++ match = of_match_node(mtmips_of_match, node); ++ if (WARN_ON(!match)) ++ return; ++ ++ data = match->data; ++ priv->data = data; ++ count = priv->data->num_clk_base + priv->data->num_clk_fixed + ++ priv->data->num_clk_factor + priv->data->num_clk_periph; ++ clk_data = kzalloc(struct_size(clk_data, hws, count), GFP_KERNEL); ++ if (!clk_data) ++ goto free_clk_priv; ++ ++ ret = mtmips_register_clocks(node, clk_data, priv); ++ if (ret) { ++ pr_err("Couldn't register top clocks\n"); ++ goto free_clk_data; ++ } ++ ++ ret = mtmips_register_fixed_clocks(clk_data, priv); ++ if (ret) { ++ pr_err("Couldn't register fixed clocks\n"); ++ goto unreg_clk_top; ++ } ++ ++ ret = mtmips_register_factor_clocks(clk_data, priv); ++ if (ret) { ++ pr_err("Couldn't register factor clocks\n"); ++ goto unreg_clk_fixed; ++ } ++ ++ ret = mtmips_register_pherip_clocks(node, clk_data, priv); ++ if (ret) { ++ pr_err("Couldn't register peripheral clocks\n"); ++ goto unreg_clk_factor; ++ } ++ ++ clk_data->num = count; ++ ++ ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); ++ if (ret) { ++ pr_err("Couldn't add clk hw provider\n"); ++ goto unreg_clk_periph; ++ } ++ ++ return; ++ ++unreg_clk_periph: ++ for (i = 0; i < priv->data->num_clk_periph; i++) { ++ struct mtmips_clk *sclk = &priv->data->clk_periph[i]; ++ ++ clk_hw_unregister(&sclk->hw); ++ } ++ ++unreg_clk_factor: ++ for (i = 0; i < priv->data->num_clk_factor; i++) { ++ struct mtmips_clk_factor *sclk = &priv->data->clk_factor[i]; ++ ++ clk_hw_unregister_fixed_factor(sclk->hw); ++ } ++ ++unreg_clk_fixed: ++ for (i = 0; i < priv->data->num_clk_fixed; i++) { ++ struct mtmips_clk_fixed *sclk = &priv->data->clk_fixed[i]; ++ ++ clk_hw_unregister_fixed_rate(sclk->hw); ++ } ++ ++unreg_clk_top: ++ for (i = 0; i < priv->data->num_clk_base; i++) { ++ struct mtmips_clk *sclk = &priv->data->clk_base[i]; ++ ++ clk_hw_unregister(&sclk->hw); ++ } ++ ++free_clk_data: ++ kfree(clk_data); ++ ++free_clk_priv: ++ kfree(priv); ++} ++CLK_OF_DECLARE_DRIVER(rt2880_clk, "ralink,rt2880-sysc", mtmips_clk_init); ++CLK_OF_DECLARE_DRIVER(rt3050_clk, "ralink,rt3050-sysc", mtmips_clk_init); ++CLK_OF_DECLARE_DRIVER(rt3052_clk, "ralink,rt3052-sysc", mtmips_clk_init); ++CLK_OF_DECLARE_DRIVER(rt3352_clk, "ralink,rt3352-sysc", mtmips_clk_init); ++CLK_OF_DECLARE_DRIVER(rt3883_clk, "ralink,rt3883-sysc", mtmips_clk_init); ++CLK_OF_DECLARE_DRIVER(rt5350_clk, "ralink,rt5350-sysc", mtmips_clk_init); ++CLK_OF_DECLARE_DRIVER(mt7620_clk, "ralink,mt7620-sysc", mtmips_clk_init); ++CLK_OF_DECLARE_DRIVER(mt7628_clk, "ralink,mt7628-sysc", mtmips_clk_init); ++CLK_OF_DECLARE_DRIVER(mt7688_clk, "ralink,mt7688-sysc", mtmips_clk_init); ++ ++struct mtmips_rst { ++ struct reset_controller_dev rcdev; ++ struct regmap *sysc; ++}; ++ ++static struct mtmips_rst *to_mtmips_rst(struct reset_controller_dev *dev) ++{ ++ return container_of(dev, struct mtmips_rst, rcdev); ++} ++ ++static int mtmips_assert_device(struct reset_controller_dev *rcdev, ++ unsigned long id) ++{ ++ struct mtmips_rst *data = to_mtmips_rst(rcdev); ++ struct regmap *sysc = data->sysc; ++ ++ return regmap_update_bits(sysc, SYSC_REG_RESET_CTRL, BIT(id), BIT(id)); ++} ++ ++static int mtmips_deassert_device(struct reset_controller_dev *rcdev, ++ unsigned long id) ++{ ++ struct mtmips_rst *data = to_mtmips_rst(rcdev); ++ struct regmap *sysc = data->sysc; ++ ++ return regmap_update_bits(sysc, SYSC_REG_RESET_CTRL, BIT(id), 0); ++} ++ ++static int mtmips_reset_device(struct reset_controller_dev *rcdev, ++ unsigned long id) ++{ ++ int ret; ++ ++ ret = mtmips_assert_device(rcdev, id); ++ if (ret < 0) ++ return ret; ++ ++ return mtmips_deassert_device(rcdev, id); ++} ++ ++static int mtmips_rst_xlate(struct reset_controller_dev *rcdev, ++ const struct of_phandle_args *reset_spec) ++{ ++ unsigned long id = reset_spec->args[0]; ++ ++ if (id == 0 || id >= rcdev->nr_resets) ++ return -EINVAL; ++ ++ return id; ++} ++ ++static const struct reset_control_ops reset_ops = { ++ .reset = mtmips_reset_device, ++ .assert = mtmips_assert_device, ++ .deassert = mtmips_deassert_device ++}; ++ ++static int mtmips_reset_init(struct device *dev, struct regmap *sysc) ++{ ++ struct mtmips_rst *rst_data; ++ ++ rst_data = devm_kzalloc(dev, sizeof(*rst_data), GFP_KERNEL); ++ if (!rst_data) ++ return -ENOMEM; ++ ++ rst_data->sysc = sysc; ++ rst_data->rcdev.ops = &reset_ops; ++ rst_data->rcdev.owner = THIS_MODULE; ++ rst_data->rcdev.nr_resets = 32; ++ rst_data->rcdev.of_reset_n_cells = 1; ++ rst_data->rcdev.of_xlate = mtmips_rst_xlate; ++ rst_data->rcdev.of_node = dev_of_node(dev); ++ ++ return devm_reset_controller_register(dev, &rst_data->rcdev); ++} ++ ++static int mtmips_clk_probe(struct platform_device *pdev) ++{ ++ struct device_node *np = pdev->dev.of_node; ++ struct device *dev = &pdev->dev; ++ struct mtmips_clk_priv *priv; ++ int ret; ++ ++ priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); ++ if (!priv) ++ return -ENOMEM; ++ ++ priv->sysc = syscon_node_to_regmap(np); ++ if (IS_ERR(priv->sysc)) ++ return dev_err_probe(dev, PTR_ERR(priv->sysc), ++ "Could not get sysc syscon regmap\n"); ++ ++ ret = mtmips_reset_init(dev, priv->sysc); ++ if (ret) ++ return dev_err_probe(dev, ret, "Could not init reset controller\n"); ++ ++ return 0; ++} ++ ++static const struct of_device_id mtmips_clk_of_match[] = { ++ { .compatible = "ralink,rt2880-reset" }, ++ { .compatible = "ralink,rt2880-sysc" }, ++ { .compatible = "ralink,rt3050-sysc" }, ++ { .compatible = "ralink,rt3052-sysc" }, ++ { .compatible = "ralink,rt3352-sysc" }, ++ { .compatible = "ralink,rt3883-sysc" }, ++ { .compatible = "ralink,rt5350-sysc" }, ++ { .compatible = "ralink,mt7620-sysc" }, ++ { .compatible = "ralink,mt7628-sysc" }, ++ { .compatible = "ralink,mt7688-sysc" }, ++ {} ++}; ++ ++static struct platform_driver mtmips_clk_driver = { ++ .probe = mtmips_clk_probe, ++ .driver = { ++ .name = "mtmips-clk", ++ .of_match_table = mtmips_clk_of_match, ++ }, ++}; ++ ++static int __init mtmips_clk_reset_init(void) ++{ ++ return platform_driver_register(&mtmips_clk_driver); ++} ++arch_initcall(mtmips_clk_reset_init); diff --git a/target/linux/ramips/patches-6.1/005-v6.5-03-mips-ralink-rt288x-remove-clock-related-code.patch b/target/linux/ramips/patches-6.1/005-v6.5-03-mips-ralink-rt288x-remove-clock-related-code.patch new file mode 100644 index 0000000000..df4208b23d --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-03-mips-ralink-rt288x-remove-clock-related-code.patch @@ -0,0 +1,81 @@ +From ffcdf47379eae86dc8f8f02c62994dacf2c9038e Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:35 +0200 +Subject: [PATCH 3/9] mips: ralink: rt288x: remove clock related code + +A properly clock driver for ralink SoCs has been added. Hence there is no +need to have clock related code in 'arch/mips/ralink' folder anymore. + +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/include/asm/mach-ralink/rt288x.h | 10 ---------- + arch/mips/ralink/rt288x.c | 31 ------------------------------ + 2 files changed, 41 deletions(-) + +--- a/arch/mips/include/asm/mach-ralink/rt288x.h ++++ b/arch/mips/include/asm/mach-ralink/rt288x.h +@@ -17,7 +17,6 @@ + #define SYSC_REG_CHIP_NAME1 0x04 + #define SYSC_REG_CHIP_ID 0x0c + #define SYSC_REG_SYSTEM_CONFIG 0x10 +-#define SYSC_REG_CLKCFG 0x30 + + #define RT2880_CHIP_NAME0 0x38325452 + #define RT2880_CHIP_NAME1 0x20203038 +@@ -26,15 +25,6 @@ + #define CHIP_ID_ID_SHIFT 8 + #define CHIP_ID_REV_MASK 0xff + +-#define SYSTEM_CONFIG_CPUCLK_SHIFT 20 +-#define SYSTEM_CONFIG_CPUCLK_MASK 0x3 +-#define SYSTEM_CONFIG_CPUCLK_250 0x0 +-#define SYSTEM_CONFIG_CPUCLK_266 0x1 +-#define SYSTEM_CONFIG_CPUCLK_280 0x2 +-#define SYSTEM_CONFIG_CPUCLK_300 0x3 +- +-#define CLKCFG_SRAM_CS_N_WDT BIT(9) +- + #define RT2880_SDRAM_BASE 0x08000000 + #define RT2880_MEM_SIZE_MIN 2 + #define RT2880_MEM_SIZE_MAX 128 +--- a/arch/mips/ralink/rt288x.c ++++ b/arch/mips/ralink/rt288x.c +@@ -17,37 +17,6 @@ + + #include "common.h" + +-void __init ralink_clk_init(void) +-{ +- unsigned long cpu_rate, wmac_rate = 40000000; +- u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG); +- t = ((t >> SYSTEM_CONFIG_CPUCLK_SHIFT) & SYSTEM_CONFIG_CPUCLK_MASK); +- +- switch (t) { +- case SYSTEM_CONFIG_CPUCLK_250: +- cpu_rate = 250000000; +- break; +- case SYSTEM_CONFIG_CPUCLK_266: +- cpu_rate = 266666667; +- break; +- case SYSTEM_CONFIG_CPUCLK_280: +- cpu_rate = 280000000; +- break; +- case SYSTEM_CONFIG_CPUCLK_300: +- cpu_rate = 300000000; +- break; +- } +- +- ralink_clk_add("cpu", cpu_rate); +- ralink_clk_add("300100.timer", cpu_rate / 2); +- ralink_clk_add("300120.watchdog", cpu_rate / 2); +- ralink_clk_add("300500.uart", cpu_rate / 2); +- ralink_clk_add("300900.i2c", cpu_rate / 2); +- ralink_clk_add("300c00.uartlite", cpu_rate / 2); +- ralink_clk_add("400000.ethernet", cpu_rate / 2); +- ralink_clk_add("480000.wmac", wmac_rate); +-} +- + void __init ralink_of_remap(void) + { + rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc"); diff --git a/target/linux/ramips/patches-6.1/005-v6.5-04-mips-ralink-rt305x-remove-clock-related-code.patch b/target/linux/ramips/patches-6.1/005-v6.5-04-mips-ralink-rt305x-remove-clock-related-code.patch new file mode 100644 index 0000000000..12b4623b73 --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-04-mips-ralink-rt305x-remove-clock-related-code.patch @@ -0,0 +1,145 @@ +From daf73c70f69386fb15960526772ef584a4efcaf2 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:36 +0200 +Subject: [PATCH 4/9] mips: ralink: rt305x: remove clock related code + +A properly clock driver for ralink SoCs has been added. Hence there is no +need to have clock related code in 'arch/mips/ralink' folder anymore. + +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/include/asm/mach-ralink/rt305x.h | 21 -------- + arch/mips/ralink/rt305x.c | 78 ------------------------------ + 2 files changed, 99 deletions(-) + +--- a/arch/mips/include/asm/mach-ralink/rt305x.h ++++ b/arch/mips/include/asm/mach-ralink/rt305x.h +@@ -66,26 +66,9 @@ static inline int soc_is_rt5350(void) + #define CHIP_ID_ID_SHIFT 8 + #define CHIP_ID_REV_MASK 0xff + +-#define RT305X_SYSCFG_CPUCLK_SHIFT 18 +-#define RT305X_SYSCFG_CPUCLK_MASK 0x1 +-#define RT305X_SYSCFG_CPUCLK_LOW 0x0 +-#define RT305X_SYSCFG_CPUCLK_HIGH 0x1 +- + #define RT305X_SYSCFG_SRAM_CS0_MODE_SHIFT 2 +-#define RT305X_SYSCFG_CPUCLK_MASK 0x1 + #define RT305X_SYSCFG_SRAM_CS0_MODE_WDT 0x1 + +-#define RT3352_SYSCFG0_CPUCLK_SHIFT 8 +-#define RT3352_SYSCFG0_CPUCLK_MASK 0x1 +-#define RT3352_SYSCFG0_CPUCLK_LOW 0x0 +-#define RT3352_SYSCFG0_CPUCLK_HIGH 0x1 +- +-#define RT5350_SYSCFG0_CPUCLK_SHIFT 8 +-#define RT5350_SYSCFG0_CPUCLK_MASK 0x3 +-#define RT5350_SYSCFG0_CPUCLK_360 0x0 +-#define RT5350_SYSCFG0_CPUCLK_320 0x2 +-#define RT5350_SYSCFG0_CPUCLK_300 0x3 +- + #define RT5350_SYSCFG0_DRAM_SIZE_SHIFT 12 + #define RT5350_SYSCFG0_DRAM_SIZE_MASK 7 + #define RT5350_SYSCFG0_DRAM_SIZE_2M 0 +@@ -116,13 +99,9 @@ static inline int soc_is_rt5350(void) + + #define RT3352_SYSC_REG_SYSCFG0 0x010 + #define RT3352_SYSC_REG_SYSCFG1 0x014 +-#define RT3352_SYSC_REG_CLKCFG1 0x030 + #define RT3352_SYSC_REG_RSTCTRL 0x034 + #define RT3352_SYSC_REG_USB_PS 0x05c + +-#define RT3352_CLKCFG0_XTAL_SEL BIT(20) +-#define RT3352_CLKCFG1_UPHY0_CLK_EN BIT(18) +-#define RT3352_CLKCFG1_UPHY1_CLK_EN BIT(20) + #define RT3352_RSTCTRL_UHST BIT(22) + #define RT3352_RSTCTRL_UDEV BIT(25) + #define RT3352_SYSCFG1_USB0_HOST_MODE BIT(10) +--- a/arch/mips/ralink/rt305x.c ++++ b/arch/mips/ralink/rt305x.c +@@ -53,84 +53,6 @@ static unsigned long rt5350_get_mem_size + return ret; + } + +-void __init ralink_clk_init(void) +-{ +- unsigned long cpu_rate, sys_rate, wdt_rate, uart_rate; +- unsigned long wmac_rate = 40000000; +- +- u32 t = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG); +- +- if (soc_is_rt305x() || soc_is_rt3350()) { +- t = (t >> RT305X_SYSCFG_CPUCLK_SHIFT) & +- RT305X_SYSCFG_CPUCLK_MASK; +- switch (t) { +- case RT305X_SYSCFG_CPUCLK_LOW: +- cpu_rate = 320000000; +- break; +- case RT305X_SYSCFG_CPUCLK_HIGH: +- cpu_rate = 384000000; +- break; +- } +- sys_rate = uart_rate = wdt_rate = cpu_rate / 3; +- } else if (soc_is_rt3352()) { +- t = (t >> RT3352_SYSCFG0_CPUCLK_SHIFT) & +- RT3352_SYSCFG0_CPUCLK_MASK; +- switch (t) { +- case RT3352_SYSCFG0_CPUCLK_LOW: +- cpu_rate = 384000000; +- break; +- case RT3352_SYSCFG0_CPUCLK_HIGH: +- cpu_rate = 400000000; +- break; +- } +- sys_rate = wdt_rate = cpu_rate / 3; +- uart_rate = 40000000; +- } else if (soc_is_rt5350()) { +- t = (t >> RT5350_SYSCFG0_CPUCLK_SHIFT) & +- RT5350_SYSCFG0_CPUCLK_MASK; +- switch (t) { +- case RT5350_SYSCFG0_CPUCLK_360: +- cpu_rate = 360000000; +- sys_rate = cpu_rate / 3; +- break; +- case RT5350_SYSCFG0_CPUCLK_320: +- cpu_rate = 320000000; +- sys_rate = cpu_rate / 4; +- break; +- case RT5350_SYSCFG0_CPUCLK_300: +- cpu_rate = 300000000; +- sys_rate = cpu_rate / 3; +- break; +- default: +- BUG(); +- } +- uart_rate = 40000000; +- wdt_rate = sys_rate; +- } else { +- BUG(); +- } +- +- if (soc_is_rt3352() || soc_is_rt5350()) { +- u32 val = rt_sysc_r32(RT3352_SYSC_REG_SYSCFG0); +- +- if (!(val & RT3352_CLKCFG0_XTAL_SEL)) +- wmac_rate = 20000000; +- } +- +- ralink_clk_add("cpu", cpu_rate); +- ralink_clk_add("sys", sys_rate); +- ralink_clk_add("10000900.i2c", uart_rate); +- ralink_clk_add("10000a00.i2s", uart_rate); +- ralink_clk_add("10000b00.spi", sys_rate); +- ralink_clk_add("10000b40.spi", sys_rate); +- ralink_clk_add("10000100.timer", wdt_rate); +- ralink_clk_add("10000120.watchdog", wdt_rate); +- ralink_clk_add("10000500.uart", uart_rate); +- ralink_clk_add("10000c00.uartlite", uart_rate); +- ralink_clk_add("10100000.ethernet", sys_rate); +- ralink_clk_add("10180000.wmac", wmac_rate); +-} +- + void __init ralink_of_remap(void) + { + rt_sysc_membase = plat_of_remap_node("ralink,rt3050-sysc"); diff --git a/target/linux/ramips/patches-6.1/005-v6.5-05-mips-ralink-rt3883-remove-clock-related-code.patch b/target/linux/ramips/patches-6.1/005-v6.5-05-mips-ralink-rt3883-remove-clock-related-code.patch new file mode 100644 index 0000000000..c13c4215f3 --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-05-mips-ralink-rt3883-remove-clock-related-code.patch @@ -0,0 +1,85 @@ +From 7cd1bb48885449a9323c7ff0f10012925e93b4e1 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:37 +0200 +Subject: [PATCH 5/9] mips: ralink: rt3883: remove clock related code + +A properly clock driver for ralink SoCs has been added. Hence there is no +need to have clock related code in 'arch/mips/ralink' folder anymore. + +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/include/asm/mach-ralink/rt3883.h | 8 ------ + arch/mips/ralink/rt3883.c | 44 ------------------------------ + 2 files changed, 52 deletions(-) + +--- a/arch/mips/include/asm/mach-ralink/rt3883.h ++++ b/arch/mips/include/asm/mach-ralink/rt3883.h +@@ -90,14 +90,6 @@ + #define RT3883_REVID_VER_ID_SHIFT 8 + #define RT3883_REVID_ECO_ID_MASK 0x0f + +-#define RT3883_SYSCFG0_DRAM_TYPE_DDR2 BIT(17) +-#define RT3883_SYSCFG0_CPUCLK_SHIFT 8 +-#define RT3883_SYSCFG0_CPUCLK_MASK 0x3 +-#define RT3883_SYSCFG0_CPUCLK_250 0x0 +-#define RT3883_SYSCFG0_CPUCLK_384 0x1 +-#define RT3883_SYSCFG0_CPUCLK_480 0x2 +-#define RT3883_SYSCFG0_CPUCLK_500 0x3 +- + #define RT3883_SYSCFG1_USB0_HOST_MODE BIT(10) + #define RT3883_SYSCFG1_PCIE_RC_MODE BIT(8) + #define RT3883_SYSCFG1_PCI_HOST_MODE BIT(7) +--- a/arch/mips/ralink/rt3883.c ++++ b/arch/mips/ralink/rt3883.c +@@ -17,50 +17,6 @@ + + #include "common.h" + +-void __init ralink_clk_init(void) +-{ +- unsigned long cpu_rate, sys_rate; +- u32 syscfg0; +- u32 clksel; +- u32 ddr2; +- +- syscfg0 = rt_sysc_r32(RT3883_SYSC_REG_SYSCFG0); +- clksel = ((syscfg0 >> RT3883_SYSCFG0_CPUCLK_SHIFT) & +- RT3883_SYSCFG0_CPUCLK_MASK); +- ddr2 = syscfg0 & RT3883_SYSCFG0_DRAM_TYPE_DDR2; +- +- switch (clksel) { +- case RT3883_SYSCFG0_CPUCLK_250: +- cpu_rate = 250000000; +- sys_rate = (ddr2) ? 125000000 : 83000000; +- break; +- case RT3883_SYSCFG0_CPUCLK_384: +- cpu_rate = 384000000; +- sys_rate = (ddr2) ? 128000000 : 96000000; +- break; +- case RT3883_SYSCFG0_CPUCLK_480: +- cpu_rate = 480000000; +- sys_rate = (ddr2) ? 160000000 : 120000000; +- break; +- case RT3883_SYSCFG0_CPUCLK_500: +- cpu_rate = 500000000; +- sys_rate = (ddr2) ? 166000000 : 125000000; +- break; +- } +- +- ralink_clk_add("cpu", cpu_rate); +- ralink_clk_add("10000100.timer", sys_rate); +- ralink_clk_add("10000120.watchdog", sys_rate); +- ralink_clk_add("10000500.uart", 40000000); +- ralink_clk_add("10000900.i2c", 40000000); +- ralink_clk_add("10000a00.i2s", 40000000); +- ralink_clk_add("10000b00.spi", sys_rate); +- ralink_clk_add("10000b40.spi", sys_rate); +- ralink_clk_add("10000c00.uartlite", 40000000); +- ralink_clk_add("10100000.ethernet", sys_rate); +- ralink_clk_add("10180000.wmac", 40000000); +-} +- + void __init ralink_of_remap(void) + { + rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc"); diff --git a/target/linux/ramips/patches-6.1/005-v6.5-06-mips-ralink-mt7620-remove-clock-related-code.patch b/target/linux/ramips/patches-6.1/005-v6.5-06-mips-ralink-mt7620-remove-clock-related-code.patch new file mode 100644 index 0000000000..7b83cf54b4 --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-06-mips-ralink-mt7620-remove-clock-related-code.patch @@ -0,0 +1,327 @@ +From 04b153abdfcbaba70ceef5a846067d4447fd0078 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:38 +0200 +Subject: [PATCH 6/9] mips: ralink: mt7620: remove clock related code + +A proper clock driver for ralink SoCs has been added. Hence there is no +need to have clock related code in 'arch/mips/ralink' folder anymore. +Since this is the last clock related code removal, remove also remaining +prototypes in 'common.h' header file. + +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/include/asm/mach-ralink/mt7620.h | 35 ----- + arch/mips/ralink/common.h | 3 - + arch/mips/ralink/mt7620.c | 226 ----------------------------- + 3 files changed, 264 deletions(-) + +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -19,52 +19,17 @@ + #define SYSC_REG_CHIP_REV 0x0c + #define SYSC_REG_SYSTEM_CONFIG0 0x10 + #define SYSC_REG_SYSTEM_CONFIG1 0x14 +-#define SYSC_REG_CLKCFG0 0x2c +-#define SYSC_REG_CPU_SYS_CLKCFG 0x3c +-#define SYSC_REG_CPLL_CONFIG0 0x54 +-#define SYSC_REG_CPLL_CONFIG1 0x58 + + #define MT7620_CHIP_NAME0 0x3637544d + #define MT7620_CHIP_NAME1 0x20203032 + #define MT7628_CHIP_NAME1 0x20203832 + +-#define SYSCFG0_XTAL_FREQ_SEL BIT(6) +- + #define CHIP_REV_PKG_MASK 0x1 + #define CHIP_REV_PKG_SHIFT 16 + #define CHIP_REV_VER_MASK 0xf + #define CHIP_REV_VER_SHIFT 8 + #define CHIP_REV_ECO_MASK 0xf + +-#define CLKCFG0_PERI_CLK_SEL BIT(4) +- +-#define CPU_SYS_CLKCFG_OCP_RATIO_SHIFT 16 +-#define CPU_SYS_CLKCFG_OCP_RATIO_MASK 0xf +-#define CPU_SYS_CLKCFG_OCP_RATIO_1 0 /* 1:1 (Reserved) */ +-#define CPU_SYS_CLKCFG_OCP_RATIO_1_5 1 /* 1:1.5 (Reserved) */ +-#define CPU_SYS_CLKCFG_OCP_RATIO_2 2 /* 1:2 */ +-#define CPU_SYS_CLKCFG_OCP_RATIO_2_5 3 /* 1:2.5 (Reserved) */ +-#define CPU_SYS_CLKCFG_OCP_RATIO_3 4 /* 1:3 */ +-#define CPU_SYS_CLKCFG_OCP_RATIO_3_5 5 /* 1:3.5 (Reserved) */ +-#define CPU_SYS_CLKCFG_OCP_RATIO_4 6 /* 1:4 */ +-#define CPU_SYS_CLKCFG_OCP_RATIO_5 7 /* 1:5 */ +-#define CPU_SYS_CLKCFG_OCP_RATIO_10 8 /* 1:10 */ +-#define CPU_SYS_CLKCFG_CPU_FDIV_SHIFT 8 +-#define CPU_SYS_CLKCFG_CPU_FDIV_MASK 0x1f +-#define CPU_SYS_CLKCFG_CPU_FFRAC_SHIFT 0 +-#define CPU_SYS_CLKCFG_CPU_FFRAC_MASK 0x1f +- +-#define CPLL_CFG0_SW_CFG BIT(31) +-#define CPLL_CFG0_PLL_MULT_RATIO_SHIFT 16 +-#define CPLL_CFG0_PLL_MULT_RATIO_MASK 0x7 +-#define CPLL_CFG0_LC_CURFCK BIT(15) +-#define CPLL_CFG0_BYPASS_REF_CLK BIT(14) +-#define CPLL_CFG0_PLL_DIV_RATIO_SHIFT 10 +-#define CPLL_CFG0_PLL_DIV_RATIO_MASK 0x3 +- +-#define CPLL_CFG1_CPU_AUX1 BIT(25) +-#define CPLL_CFG1_CPU_AUX0 BIT(24) +- + #define SYSCFG0_DRAM_TYPE_MASK 0x3 + #define SYSCFG0_DRAM_TYPE_SHIFT 4 + #define SYSCFG0_DRAM_TYPE_SDRAM 0 +--- a/arch/mips/ralink/common.h ++++ b/arch/mips/ralink/common.h +@@ -23,9 +23,6 @@ extern struct ralink_soc_info soc_info; + + extern void ralink_of_remap(void); + +-extern void ralink_clk_init(void); +-extern void ralink_clk_add(const char *dev, unsigned long rate); +- + extern void ralink_rst_init(void); + + extern void __init prom_soc_init(struct ralink_soc_info *soc_info); +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -34,12 +34,6 @@ + #define PMU1_CFG 0x8C + #define DIG_SW_SEL BIT(25) + +-/* clock scaling */ +-#define CLKCFG_FDIV_MASK 0x1f00 +-#define CLKCFG_FDIV_USB_VAL 0x0300 +-#define CLKCFG_FFRAC_MASK 0x001f +-#define CLKCFG_FFRAC_USB_VAL 0x0003 +- + /* EFUSE bits */ + #define EFUSE_MT7688 0x100000 + +@@ -49,226 +43,6 @@ + /* does the board have sdram or ddram */ + static int dram_type; + +-static __init u32 +-mt7620_calc_rate(u32 ref_rate, u32 mul, u32 div) +-{ +- u64 t; +- +- t = ref_rate; +- t *= mul; +- do_div(t, div); +- +- return t; +-} +- +-#define MHZ(x) ((x) * 1000 * 1000) +- +-static __init unsigned long +-mt7620_get_xtal_rate(void) +-{ +- u32 reg; +- +- reg = rt_sysc_r32(SYSC_REG_SYSTEM_CONFIG0); +- if (reg & SYSCFG0_XTAL_FREQ_SEL) +- return MHZ(40); +- +- return MHZ(20); +-} +- +-static __init unsigned long +-mt7620_get_periph_rate(unsigned long xtal_rate) +-{ +- u32 reg; +- +- reg = rt_sysc_r32(SYSC_REG_CLKCFG0); +- if (reg & CLKCFG0_PERI_CLK_SEL) +- return xtal_rate; +- +- return MHZ(40); +-} +- +-static const u32 mt7620_clk_divider[] __initconst = { 2, 3, 4, 8 }; +- +-static __init unsigned long +-mt7620_get_cpu_pll_rate(unsigned long xtal_rate) +-{ +- u32 reg; +- u32 mul; +- u32 div; +- +- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG0); +- if (reg & CPLL_CFG0_BYPASS_REF_CLK) +- return xtal_rate; +- +- if ((reg & CPLL_CFG0_SW_CFG) == 0) +- return MHZ(600); +- +- mul = (reg >> CPLL_CFG0_PLL_MULT_RATIO_SHIFT) & +- CPLL_CFG0_PLL_MULT_RATIO_MASK; +- mul += 24; +- if (reg & CPLL_CFG0_LC_CURFCK) +- mul *= 2; +- +- div = (reg >> CPLL_CFG0_PLL_DIV_RATIO_SHIFT) & +- CPLL_CFG0_PLL_DIV_RATIO_MASK; +- +- WARN_ON(div >= ARRAY_SIZE(mt7620_clk_divider)); +- +- return mt7620_calc_rate(xtal_rate, mul, mt7620_clk_divider[div]); +-} +- +-static __init unsigned long +-mt7620_get_pll_rate(unsigned long xtal_rate, unsigned long cpu_pll_rate) +-{ +- u32 reg; +- +- reg = rt_sysc_r32(SYSC_REG_CPLL_CONFIG1); +- if (reg & CPLL_CFG1_CPU_AUX1) +- return xtal_rate; +- +- if (reg & CPLL_CFG1_CPU_AUX0) +- return MHZ(480); +- +- return cpu_pll_rate; +-} +- +-static __init unsigned long +-mt7620_get_cpu_rate(unsigned long pll_rate) +-{ +- u32 reg; +- u32 mul; +- u32 div; +- +- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); +- +- mul = reg & CPU_SYS_CLKCFG_CPU_FFRAC_MASK; +- div = (reg >> CPU_SYS_CLKCFG_CPU_FDIV_SHIFT) & +- CPU_SYS_CLKCFG_CPU_FDIV_MASK; +- +- return mt7620_calc_rate(pll_rate, mul, div); +-} +- +-static const u32 mt7620_ocp_dividers[16] __initconst = { +- [CPU_SYS_CLKCFG_OCP_RATIO_2] = 2, +- [CPU_SYS_CLKCFG_OCP_RATIO_3] = 3, +- [CPU_SYS_CLKCFG_OCP_RATIO_4] = 4, +- [CPU_SYS_CLKCFG_OCP_RATIO_5] = 5, +- [CPU_SYS_CLKCFG_OCP_RATIO_10] = 10, +-}; +- +-static __init unsigned long +-mt7620_get_dram_rate(unsigned long pll_rate) +-{ +- if (dram_type == SYSCFG0_DRAM_TYPE_SDRAM) +- return pll_rate / 4; +- +- return pll_rate / 3; +-} +- +-static __init unsigned long +-mt7620_get_sys_rate(unsigned long cpu_rate) +-{ +- u32 reg; +- u32 ocp_ratio; +- u32 div; +- +- reg = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); +- +- ocp_ratio = (reg >> CPU_SYS_CLKCFG_OCP_RATIO_SHIFT) & +- CPU_SYS_CLKCFG_OCP_RATIO_MASK; +- +- if (WARN_ON(ocp_ratio >= ARRAY_SIZE(mt7620_ocp_dividers))) +- return cpu_rate; +- +- div = mt7620_ocp_dividers[ocp_ratio]; +- if (WARN(!div, "invalid divider for OCP ratio %u", ocp_ratio)) +- return cpu_rate; +- +- return cpu_rate / div; +-} +- +-void __init ralink_clk_init(void) +-{ +- unsigned long xtal_rate; +- unsigned long cpu_pll_rate; +- unsigned long pll_rate; +- unsigned long cpu_rate; +- unsigned long sys_rate; +- unsigned long dram_rate; +- unsigned long periph_rate; +- unsigned long pcmi2s_rate; +- +- xtal_rate = mt7620_get_xtal_rate(); +- +-#define RFMT(label) label ":%lu.%03luMHz " +-#define RINT(x) ((x) / 1000000) +-#define RFRAC(x) (((x) / 1000) % 1000) +- +- if (is_mt76x8()) { +- if (xtal_rate == MHZ(40)) +- cpu_rate = MHZ(580); +- else +- cpu_rate = MHZ(575); +- dram_rate = sys_rate = cpu_rate / 3; +- periph_rate = MHZ(40); +- pcmi2s_rate = MHZ(480); +- +- ralink_clk_add("10000d00.uartlite", periph_rate); +- ralink_clk_add("10000e00.uartlite", periph_rate); +- } else { +- cpu_pll_rate = mt7620_get_cpu_pll_rate(xtal_rate); +- pll_rate = mt7620_get_pll_rate(xtal_rate, cpu_pll_rate); +- +- cpu_rate = mt7620_get_cpu_rate(pll_rate); +- dram_rate = mt7620_get_dram_rate(pll_rate); +- sys_rate = mt7620_get_sys_rate(cpu_rate); +- periph_rate = mt7620_get_periph_rate(xtal_rate); +- pcmi2s_rate = periph_rate; +- +- pr_debug(RFMT("XTAL") RFMT("CPU_PLL") RFMT("PLL"), +- RINT(xtal_rate), RFRAC(xtal_rate), +- RINT(cpu_pll_rate), RFRAC(cpu_pll_rate), +- RINT(pll_rate), RFRAC(pll_rate)); +- +- ralink_clk_add("10000500.uart", periph_rate); +- } +- +- pr_debug(RFMT("CPU") RFMT("DRAM") RFMT("SYS") RFMT("PERIPH"), +- RINT(cpu_rate), RFRAC(cpu_rate), +- RINT(dram_rate), RFRAC(dram_rate), +- RINT(sys_rate), RFRAC(sys_rate), +- RINT(periph_rate), RFRAC(periph_rate)); +-#undef RFRAC +-#undef RINT +-#undef RFMT +- +- ralink_clk_add("cpu", cpu_rate); +- ralink_clk_add("10000100.timer", periph_rate); +- ralink_clk_add("10000120.watchdog", periph_rate); +- ralink_clk_add("10000900.i2c", periph_rate); +- ralink_clk_add("10000a00.i2s", pcmi2s_rate); +- ralink_clk_add("10000b00.spi", sys_rate); +- ralink_clk_add("10000b40.spi", sys_rate); +- ralink_clk_add("10000c00.uartlite", periph_rate); +- ralink_clk_add("10000d00.uart1", periph_rate); +- ralink_clk_add("10000e00.uart2", periph_rate); +- ralink_clk_add("10180000.wmac", xtal_rate); +- +- if (IS_ENABLED(CONFIG_USB) && !is_mt76x8()) { +- /* +- * When the CPU goes into sleep mode, the BUS clock will be +- * too low for USB to function properly. Adjust the busses +- * fractional divider to fix this +- */ +- u32 val = rt_sysc_r32(SYSC_REG_CPU_SYS_CLKCFG); +- +- val &= ~(CLKCFG_FDIV_MASK | CLKCFG_FFRAC_MASK); +- val |= CLKCFG_FDIV_USB_VAL | CLKCFG_FFRAC_USB_VAL; +- +- rt_sysc_w32(val, SYSC_REG_CPU_SYS_CLKCFG); +- } +-} +- + void __init ralink_of_remap(void) + { + rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc"); diff --git a/target/linux/ramips/patches-6.1/005-v6.5-07-mips-ralink-remove-reset-related-code.patch b/target/linux/ramips/patches-6.1/005-v6.5-07-mips-ralink-remove-reset-related-code.patch new file mode 100644 index 0000000000..e96a9084a6 --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-07-mips-ralink-remove-reset-related-code.patch @@ -0,0 +1,121 @@ +From 201ddc05777cd8e084b508bcdda22214bfe2895e Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:39 +0200 +Subject: [PATCH 7/9] mips: ralink: remove reset related code + +A proper clock driver for ralink SoCs has been added. This driver is also +a reset provider for the SoC. Hence there is no need to have reset related +code in 'arch/mips/ralink' folder anymore. The only code that remains is +the one related with mips_reboot_setup where a PCI reset is performed. +We maintain this because I cannot test old ralink board with PCI to be +sure all works if we remove also this code. + +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/ralink/common.h | 2 -- + arch/mips/ralink/of.c | 4 ---- + arch/mips/ralink/reset.c | 61 ----------------------------------------------- + 3 files changed, 67 deletions(-) + +--- a/arch/mips/ralink/common.h ++++ b/arch/mips/ralink/common.h +@@ -23,8 +23,6 @@ extern struct ralink_soc_info soc_info; + + extern void ralink_of_remap(void); + +-extern void ralink_rst_init(void); +- + extern void __init prom_soc_init(struct ralink_soc_info *soc_info); + + __iomem void *plat_of_remap_node(const char *node); +--- a/arch/mips/ralink/of.c ++++ b/arch/mips/ralink/of.c +@@ -81,10 +81,6 @@ static int __init plat_of_setup(void) + { + __dt_register_buses(soc_info.compatible, "palmbus"); + +- /* make sure that the reset controller is setup early */ +- if (ralink_soc != MT762X_SOC_MT7621AT) +- ralink_rst_init(); +- + return 0; + } + +--- a/arch/mips/ralink/reset.c ++++ b/arch/mips/ralink/reset.c +@@ -10,7 +10,6 @@ + #include + #include + #include +-#include + + #include + +@@ -22,66 +21,6 @@ + #define RSTCTL_RESET_PCI BIT(26) + #define RSTCTL_RESET_SYSTEM BIT(0) + +-static int ralink_assert_device(struct reset_controller_dev *rcdev, +- unsigned long id) +-{ +- u32 val; +- +- if (id == 0) +- return -1; +- +- val = rt_sysc_r32(SYSC_REG_RESET_CTRL); +- val |= BIT(id); +- rt_sysc_w32(val, SYSC_REG_RESET_CTRL); +- +- return 0; +-} +- +-static int ralink_deassert_device(struct reset_controller_dev *rcdev, +- unsigned long id) +-{ +- u32 val; +- +- if (id == 0) +- return -1; +- +- val = rt_sysc_r32(SYSC_REG_RESET_CTRL); +- val &= ~BIT(id); +- rt_sysc_w32(val, SYSC_REG_RESET_CTRL); +- +- return 0; +-} +- +-static int ralink_reset_device(struct reset_controller_dev *rcdev, +- unsigned long id) +-{ +- ralink_assert_device(rcdev, id); +- return ralink_deassert_device(rcdev, id); +-} +- +-static const struct reset_control_ops reset_ops = { +- .reset = ralink_reset_device, +- .assert = ralink_assert_device, +- .deassert = ralink_deassert_device, +-}; +- +-static struct reset_controller_dev reset_dev = { +- .ops = &reset_ops, +- .owner = THIS_MODULE, +- .nr_resets = 32, +- .of_reset_n_cells = 1, +-}; +- +-void ralink_rst_init(void) +-{ +- reset_dev.of_node = of_find_compatible_node(NULL, NULL, +- "ralink,rt2880-reset"); +- if (!reset_dev.of_node) +- pr_err("Failed to find reset controller node"); +- else +- reset_controller_register(&reset_dev); +-} +- + static void ralink_restart(char *command) + { + if (IS_ENABLED(CONFIG_PCI)) { diff --git a/target/linux/ramips/patches-6.1/005-v6.5-08-mips-ralink-get-cpu-rate-from-new-driver-code.patch b/target/linux/ramips/patches-6.1/005-v6.5-08-mips-ralink-get-cpu-rate-from-new-driver-code.patch new file mode 100644 index 0000000000..2430c1f375 --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-08-mips-ralink-get-cpu-rate-from-new-driver-code.patch @@ -0,0 +1,102 @@ +From ad38c17b0c26ae2108b50ac1eb0281a2e1ce08e9 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:40 +0200 +Subject: [PATCH 8/9] mips: ralink: get cpu rate from new driver code + +At very early stage on boot, there is a need to set 'mips_hpt_frequency'. +This timer frequency is a half of the CPU frequency. To get clocks properly +set we need to call to 'of_clk_init()' and properly get cpu clock frequency +afterwards. Depending on the SoC, CPU clock index and compatible differs, so +use them to get the proper clock frm the clock provider. Hence, adapt code +to be aligned with new clock driver. + +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/ralink/clk.c | 61 ++++++++++++++++++++++++++++++++++++++++++-------- + 1 file changed, 52 insertions(+), 9 deletions(-) + +--- a/arch/mips/ralink/clk.c ++++ b/arch/mips/ralink/clk.c +@@ -11,29 +11,72 @@ + #include + #include + #include ++#include + + #include + + #include "common.h" + +-void ralink_clk_add(const char *dev, unsigned long rate) ++static const char *clk_cpu(int *idx) + { +- struct clk *clk = clk_register_fixed_rate(NULL, dev, NULL, 0, rate); +- +- if (!clk) +- panic("failed to add clock"); +- +- clkdev_create(clk, NULL, "%s", dev); ++ switch (ralink_soc) { ++ case RT2880_SOC: ++ *idx = 0; ++ return "ralink,rt2880-sysc"; ++ case RT3883_SOC: ++ *idx = 0; ++ return "ralink,rt3883-sysc"; ++ case RT305X_SOC_RT3050: ++ *idx = 0; ++ return "ralink,rt3050-sysc"; ++ case RT305X_SOC_RT3052: ++ *idx = 0; ++ return "ralink,rt3052-sysc"; ++ case RT305X_SOC_RT3350: ++ *idx = 1; ++ return "ralink,rt3350-sysc"; ++ case RT305X_SOC_RT3352: ++ *idx = 1; ++ return "ralink,rt3352-sysc"; ++ case RT305X_SOC_RT5350: ++ *idx = 1; ++ return "ralink,rt5350-sysc"; ++ case MT762X_SOC_MT7620A: ++ *idx = 2; ++ return "ralink,mt7620-sysc"; ++ case MT762X_SOC_MT7620N: ++ *idx = 2; ++ return "ralink,mt7620-sysc"; ++ case MT762X_SOC_MT7628AN: ++ *idx = 1; ++ return "ralink,mt7628-sysc"; ++ case MT762X_SOC_MT7688: ++ *idx = 1; ++ return "ralink,mt7688-sysc"; ++ default: ++ *idx = -1; ++ return "invalid"; ++ } + } + + void __init plat_time_init(void) + { ++ struct of_phandle_args clkspec; ++ const char *compatible; + struct clk *clk; ++ int cpu_clk_idx; + + ralink_of_remap(); + +- ralink_clk_init(); +- clk = clk_get_sys("cpu", NULL); ++ compatible = clk_cpu(&cpu_clk_idx); ++ if (cpu_clk_idx == -1) ++ panic("unable to get CPU clock index"); ++ ++ of_clk_init(NULL); ++ clkspec.np = of_find_compatible_node(NULL, NULL, compatible); ++ clkspec.args_count = 1; ++ clkspec.args[0] = cpu_clk_idx; ++ clk = of_clk_get_from_provider(&clkspec); + if (IS_ERR(clk)) + panic("unable to get CPU clock, err=%ld", PTR_ERR(clk)); + pr_info("CPU Clock: %ldMHz\n", clk_get_rate(clk) / 1000000); diff --git a/target/linux/ramips/patches-6.1/005-v6.5-09-MAINTAINERS-add-Mediatek-MTMIPS-Clock-maintainer.patch b/target/linux/ramips/patches-6.1/005-v6.5-09-MAINTAINERS-add-Mediatek-MTMIPS-Clock-maintainer.patch new file mode 100644 index 0000000000..f7ab99bc76 --- /dev/null +++ b/target/linux/ramips/patches-6.1/005-v6.5-09-MAINTAINERS-add-Mediatek-MTMIPS-Clock-maintainer.patch @@ -0,0 +1,28 @@ +From fc15a7193a4d37d79e873fa06cc423180ddd2ddf Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Mon, 19 Jun 2023 06:09:41 +0200 +Subject: [PATCH 9/9] MAINTAINERS: add Mediatek MTMIPS Clock maintainer + +Adding myself as maintainer for Mediatek MTMIPS clock driver. + +Signed-off-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + MAINTAINERS | 6 ++++++ + 1 file changed, 6 insertions(+) + +--- a/MAINTAINERS ++++ b/MAINTAINERS +@@ -13021,6 +13021,12 @@ S: Maintained + F: Documentation/devicetree/bindings/clock/mediatek,mt7621-sysc.yaml + F: drivers/clk/ralink/clk-mt7621.c + ++MEDIATEK MTMIPS CLOCK DRIVER ++M: Sergio Paracuellos ++S: Maintained ++F: Documentation/devicetree/bindings/clock/mediatek,mtmips-sysc.yaml ++F: drivers/clk/ralink/clk-mtmips.c ++ + MEDIATEK MT7621/28/88 I2C DRIVER + M: Stefan Roese + L: linux-i2c@vger.kernel.org diff --git a/target/linux/ramips/patches-6.1/006-v6.5-mips-ralink-introduce-commonly-used-remap-node-funct.patch b/target/linux/ramips/patches-6.1/006-v6.5-mips-ralink-introduce-commonly-used-remap-node-funct.patch new file mode 100644 index 0000000000..f5c148101f --- /dev/null +++ b/target/linux/ramips/patches-6.1/006-v6.5-mips-ralink-introduce-commonly-used-remap-node-funct.patch @@ -0,0 +1,191 @@ +From fd99ac5055d4705e91c73d1adba18bc71c8511a8 Mon Sep 17 00:00:00 2001 +From: Shiji Yang +Date: Tue, 20 Jun 2023 19:44:32 +0800 +Subject: [PATCH] mips: ralink: introduce commonly used remap node function + +The ralink_of_remap() function is repeated several times on SoC specific +source files. They have the same structure, but just differ in compatible +strings. In order to make commonly use of these codes, this patch +introduces a newly designed mtmips_of_remap_node() function to match and +remap all supported system controller and memory controller nodes. + +Build and run tested on MT7620 and MT7628. + +Signed-off-by: Shiji Yang +Reviewed-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/ralink/common.h | 2 -- + arch/mips/ralink/mt7620.c | 9 --------- + arch/mips/ralink/mt7621.c | 9 --------- + arch/mips/ralink/of.c | 42 +++++++++++++++++++++++++++++++++++------- + arch/mips/ralink/rt288x.c | 9 --------- + arch/mips/ralink/rt305x.c | 9 --------- + arch/mips/ralink/rt3883.c | 9 --------- + 7 files changed, 35 insertions(+), 54 deletions(-) + +--- a/arch/mips/ralink/common.h ++++ b/arch/mips/ralink/common.h +@@ -25,6 +25,4 @@ extern void ralink_of_remap(void); + + extern void __init prom_soc_init(struct ralink_soc_info *soc_info); + +-__iomem void *plat_of_remap_node(const char *node); +- + #endif /* _RALINK_COMMON_H__ */ +--- a/arch/mips/ralink/mt7620.c ++++ b/arch/mips/ralink/mt7620.c +@@ -43,15 +43,6 @@ + /* does the board have sdram or ddram */ + static int dram_type; + +-void __init ralink_of_remap(void) +-{ +- rt_sysc_membase = plat_of_remap_node("ralink,mt7620a-sysc"); +- rt_memc_membase = plat_of_remap_node("ralink,mt7620a-memc"); +- +- if (!rt_sysc_membase || !rt_memc_membase) +- panic("Failed to remap core resources"); +-} +- + static __init void + mt7620_dram_init(struct ralink_soc_info *soc_info) + { +--- a/arch/mips/ralink/mt7621.c ++++ b/arch/mips/ralink/mt7621.c +@@ -89,15 +89,6 @@ static void __init mt7621_memory_detect( + memblock_add(MT7621_HIGHMEM_BASE, MT7621_HIGHMEM_SIZE); + } + +-void __init ralink_of_remap(void) +-{ +- rt_sysc_membase = plat_of_remap_node("mediatek,mt7621-sysc"); +- rt_memc_membase = plat_of_remap_node("mediatek,mt7621-memc"); +- +- if (!rt_sysc_membase || !rt_memc_membase) +- panic("Failed to remap core resources"); +-} +- + static unsigned int __init mt7621_get_soc_name0(void) + { + return __raw_readl(MT7621_SYSC_BASE + SYSC_REG_CHIP_NAME0); +--- a/arch/mips/ralink/of.c ++++ b/arch/mips/ralink/of.c +@@ -29,28 +29,56 @@ __iomem void *rt_sysc_membase; + __iomem void *rt_memc_membase; + EXPORT_SYMBOL_GPL(rt_sysc_membase); + +-__iomem void *plat_of_remap_node(const char *node) ++static const struct of_device_id mtmips_memc_match[] = { ++ { .compatible = "mediatek,mt7621-memc" }, ++ { .compatible = "ralink,mt7620a-memc" }, ++ { .compatible = "ralink,rt2880-memc" }, ++ { .compatible = "ralink,rt3050-memc" }, ++ { .compatible = "ralink,rt3883-memc" }, ++ {} ++}; ++ ++static const struct of_device_id mtmips_sysc_match[] = { ++ { .compatible = "mediatek,mt7621-sysc" }, ++ { .compatible = "ralink,mt7620a-sysc" }, ++ { .compatible = "ralink,rt2880-sysc" }, ++ { .compatible = "ralink,rt3050-sysc" }, ++ { .compatible = "ralink,rt3883-sysc" }, ++ {} ++}; ++ ++static __iomem void * ++mtmips_of_remap_node(const struct of_device_id *match, const char *type) + { + struct resource res; + struct device_node *np; + +- np = of_find_compatible_node(NULL, NULL, node); ++ np = of_find_matching_node(NULL, match); + if (!np) +- panic("Failed to find %s node", node); ++ panic("Failed to find %s controller node", type); + + if (of_address_to_resource(np, 0, &res)) +- panic("Failed to get resource for %s", node); +- +- of_node_put(np); ++ panic("Failed to get resource for %s node", np->name); + + if (!request_mem_region(res.start, + resource_size(&res), + res.name)) +- panic("Failed to request resources for %s", node); ++ panic("Failed to request resources for %s node", np->name); ++ ++ of_node_put(np); + + return ioremap(res.start, resource_size(&res)); + } + ++void __init ralink_of_remap(void) ++{ ++ rt_sysc_membase = mtmips_of_remap_node(mtmips_sysc_match, "system"); ++ rt_memc_membase = mtmips_of_remap_node(mtmips_memc_match, "memory"); ++ ++ if (!rt_sysc_membase || !rt_memc_membase) ++ panic("Failed to remap core resources"); ++} ++ + void __init plat_mem_setup(void) + { + void *dtb; +--- a/arch/mips/ralink/rt288x.c ++++ b/arch/mips/ralink/rt288x.c +@@ -17,15 +17,6 @@ + + #include "common.h" + +-void __init ralink_of_remap(void) +-{ +- rt_sysc_membase = plat_of_remap_node("ralink,rt2880-sysc"); +- rt_memc_membase = plat_of_remap_node("ralink,rt2880-memc"); +- +- if (!rt_sysc_membase || !rt_memc_membase) +- panic("Failed to remap core resources"); +-} +- + void __init prom_soc_init(struct ralink_soc_info *soc_info) + { + void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT2880_SYSC_BASE); +--- a/arch/mips/ralink/rt305x.c ++++ b/arch/mips/ralink/rt305x.c +@@ -53,15 +53,6 @@ static unsigned long rt5350_get_mem_size + return ret; + } + +-void __init ralink_of_remap(void) +-{ +- rt_sysc_membase = plat_of_remap_node("ralink,rt3050-sysc"); +- rt_memc_membase = plat_of_remap_node("ralink,rt3050-memc"); +- +- if (!rt_sysc_membase || !rt_memc_membase) +- panic("Failed to remap core resources"); +-} +- + void __init prom_soc_init(struct ralink_soc_info *soc_info) + { + void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE); +--- a/arch/mips/ralink/rt3883.c ++++ b/arch/mips/ralink/rt3883.c +@@ -17,15 +17,6 @@ + + #include "common.h" + +-void __init ralink_of_remap(void) +-{ +- rt_sysc_membase = plat_of_remap_node("ralink,rt3883-sysc"); +- rt_memc_membase = plat_of_remap_node("ralink,rt3883-memc"); +- +- if (!rt_sysc_membase || !rt_memc_membase) +- panic("Failed to remap core resources"); +-} +- + void __init prom_soc_init(struct ralink_soc_info *soc_info) + { + void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT3883_SYSC_BASE); diff --git a/target/linux/ramips/patches-6.1/007-v6.5-clk-ralink-mtmips-Fix-uninitialized-use-of-ret-in-mt.patch b/target/linux/ramips/patches-6.1/007-v6.5-clk-ralink-mtmips-Fix-uninitialized-use-of-ret-in-mt.patch new file mode 100644 index 0000000000..c0c2a6e204 --- /dev/null +++ b/target/linux/ramips/patches-6.1/007-v6.5-clk-ralink-mtmips-Fix-uninitialized-use-of-ret-in-mt.patch @@ -0,0 +1,56 @@ +From 6e68dae946e3a0333fbde5487ce163142ca10ae0 Mon Sep 17 00:00:00 2001 +From: Nathan Chancellor +Date: Thu, 22 Jun 2023 15:56:19 +0000 +Subject: clk: ralink: mtmips: Fix uninitialized use of ret in + mtmips_register_{fixed,factor}_clocks() + +Clang warns: + + drivers/clk/ralink/clk-mtmips.c:309:9: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized] + 309 | return ret; + | ^~~ + drivers/clk/ralink/clk-mtmips.c:285:9: note: initialize the variable 'ret' to silence this warning + 285 | int ret, i; + | ^ + | = 0 + drivers/clk/ralink/clk-mtmips.c:359:9: error: variable 'ret' is uninitialized when used here [-Werror,-Wuninitialized] + 359 | return ret; + | ^~~ + drivers/clk/ralink/clk-mtmips.c:335:9: note: initialize the variable 'ret' to silence this warning + 335 | int ret, i; + | ^ + | = 0 + 2 errors generated. + +Set ret to the return value of clk_hw_register_fixed_rate() using the +PTR_ERR() macro, which ensures ret is not used uninitialized, clearing +up the warning. + +Fixes: 6f3b15586eef ("clk: ralink: add clock and reset driver for MTMIPS SoCs") +Closes: https://github.com/ClangBuiltLinux/linux/issues/1879 +Signed-off-by: Nathan Chancellor +Reviewed-by: Nick Desaulniers +Acked-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + drivers/clk/ralink/clk-mtmips.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/drivers/clk/ralink/clk-mtmips.c ++++ b/drivers/clk/ralink/clk-mtmips.c +@@ -292,6 +292,7 @@ static int mtmips_register_fixed_clocks( + sclk->parent, 0, + sclk->rate); + if (IS_ERR(sclk->hw)) { ++ ret = PTR_ERR(sclk->hw); + pr_err("Couldn't register fixed clock %d\n", idx); + goto err_clk_unreg; + } +@@ -342,6 +343,7 @@ static int mtmips_register_factor_clocks + sclk->parent, sclk->flags, + sclk->mult, sclk->div); + if (IS_ERR(sclk->hw)) { ++ ret = PTR_ERR(sclk->hw); + pr_err("Couldn't register factor clock %d\n", idx); + goto err_clk_unreg; + } diff --git a/target/linux/ramips/patches-6.1/008-v6.5-mips-ralink-match-all-supported-system-controller-co.patch b/target/linux/ramips/patches-6.1/008-v6.5-mips-ralink-match-all-supported-system-controller-co.patch new file mode 100644 index 0000000000..6940a2b4b9 --- /dev/null +++ b/target/linux/ramips/patches-6.1/008-v6.5-mips-ralink-match-all-supported-system-controller-co.patch @@ -0,0 +1,40 @@ +From 670f77f76f650b1b341d31d009cc2fb03a4d1fcf Mon Sep 17 00:00:00 2001 +From: Shiji Yang +Date: Fri, 23 Jun 2023 08:17:48 +0800 +Subject: mips: ralink: match all supported system controller compatible + strings + +Recently, A new clock and reset controller driver has been introduced to +the ralink mips target[1]. It provides proper system control and adds more +SoC specific compatible strings. In order to better initialize CPUs, this +patch removes the outdated "ralink,mt7620a-sysc" and add all dt-binding +documented compatible strings to the system controller match table. + +[1] https://lore.kernel.org/all/20230619040941.1340372-1-sergio.paracuellos@gmail.com/ + +Signed-off-by: Shiji Yang +Reviewed-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/ralink/of.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +--- a/arch/mips/ralink/of.c ++++ b/arch/mips/ralink/of.c +@@ -40,10 +40,15 @@ static const struct of_device_id mtmips_ + + static const struct of_device_id mtmips_sysc_match[] = { + { .compatible = "mediatek,mt7621-sysc" }, +- { .compatible = "ralink,mt7620a-sysc" }, ++ { .compatible = "ralink,mt7620-sysc" }, ++ { .compatible = "ralink,mt7628-sysc" }, ++ { .compatible = "ralink,mt7688-sysc" }, + { .compatible = "ralink,rt2880-sysc" }, + { .compatible = "ralink,rt3050-sysc" }, ++ { .compatible = "ralink,rt3052-sysc" }, ++ { .compatible = "ralink,rt3352-sysc" }, + { .compatible = "ralink,rt3883-sysc" }, ++ { .compatible = "ralink,rt5350-sysc" }, + {} + }; + diff --git a/target/linux/ramips/patches-6.1/009-v6.3-01-watchdog-mt7621-wdt-avoid-static-global-declarations.patch b/target/linux/ramips/patches-6.1/009-v6.3-01-watchdog-mt7621-wdt-avoid-static-global-declarations.patch new file mode 100644 index 0000000000..e06d5621e1 --- /dev/null +++ b/target/linux/ramips/patches-6.1/009-v6.3-01-watchdog-mt7621-wdt-avoid-static-global-declarations.patch @@ -0,0 +1,213 @@ +From 783c7cb4659b53b5e1b809dac5e8cdf250145919 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Tue, 14 Feb 2023 11:39:35 +0100 +Subject: [PATCH 1/2] watchdog: mt7621-wdt: avoid static global declarations + +Instead of using static global definitions in driver code, refactor code +introducing a new watchdog driver data structure and use it along the +code. + +Reviewed-by: Guenter Roeck +Signed-off-by: Sergio Paracuellos +Link: https://lore.kernel.org/r/20230214103936.1061078-5-sergio.paracuellos@gmail.com +[groeck: unsigned -> unsigned int] +Signed-off-by: Guenter Roeck +Signed-off-by: Wim Van Sebroeck +--- + drivers/watchdog/mt7621_wdt.c | 102 +++++++++++++++++++++++++++--------------- + 1 file changed, 65 insertions(+), 37 deletions(-) + +--- a/drivers/watchdog/mt7621_wdt.c ++++ b/drivers/watchdog/mt7621_wdt.c +@@ -31,8 +31,11 @@ + #define TMR1CTL_RESTART BIT(9) + #define TMR1CTL_PRESCALE_SHIFT 16 + +-static void __iomem *mt7621_wdt_base; +-static struct reset_control *mt7621_wdt_reset; ++struct mt7621_wdt_data { ++ void __iomem *base; ++ struct reset_control *rst; ++ struct watchdog_device wdt; ++}; + + static bool nowayout = WATCHDOG_NOWAYOUT; + module_param(nowayout, bool, 0); +@@ -40,27 +43,31 @@ MODULE_PARM_DESC(nowayout, + "Watchdog cannot be stopped once started (default=" + __MODULE_STRING(WATCHDOG_NOWAYOUT) ")"); + +-static inline void rt_wdt_w32(unsigned reg, u32 val) ++static inline void rt_wdt_w32(void __iomem *base, unsigned int reg, u32 val) + { +- iowrite32(val, mt7621_wdt_base + reg); ++ iowrite32(val, base + reg); + } + +-static inline u32 rt_wdt_r32(unsigned reg) ++static inline u32 rt_wdt_r32(void __iomem *base, unsigned int reg) + { +- return ioread32(mt7621_wdt_base + reg); ++ return ioread32(base + reg); + } + + static int mt7621_wdt_ping(struct watchdog_device *w) + { +- rt_wdt_w32(TIMER_REG_TMRSTAT, TMR1CTL_RESTART); ++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w); ++ ++ rt_wdt_w32(drvdata->base, TIMER_REG_TMRSTAT, TMR1CTL_RESTART); + + return 0; + } + + static int mt7621_wdt_set_timeout(struct watchdog_device *w, unsigned int t) + { ++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w); ++ + w->timeout = t; +- rt_wdt_w32(TIMER_REG_TMR1LOAD, t * 1000); ++ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1LOAD, t * 1000); + mt7621_wdt_ping(w); + + return 0; +@@ -68,29 +75,31 @@ static int mt7621_wdt_set_timeout(struct + + static int mt7621_wdt_start(struct watchdog_device *w) + { ++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w); + u32 t; + + /* set the prescaler to 1ms == 1000us */ +- rt_wdt_w32(TIMER_REG_TMR1CTL, 1000 << TMR1CTL_PRESCALE_SHIFT); ++ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, 1000 << TMR1CTL_PRESCALE_SHIFT); + + mt7621_wdt_set_timeout(w, w->timeout); + +- t = rt_wdt_r32(TIMER_REG_TMR1CTL); ++ t = rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL); + t |= TMR1CTL_ENABLE; +- rt_wdt_w32(TIMER_REG_TMR1CTL, t); ++ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, t); + + return 0; + } + + static int mt7621_wdt_stop(struct watchdog_device *w) + { ++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w); + u32 t; + + mt7621_wdt_ping(w); + +- t = rt_wdt_r32(TIMER_REG_TMR1CTL); ++ t = rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL); + t &= ~TMR1CTL_ENABLE; +- rt_wdt_w32(TIMER_REG_TMR1CTL, t); ++ rt_wdt_w32(drvdata->base, TIMER_REG_TMR1CTL, t); + + return 0; + } +@@ -105,7 +114,9 @@ static int mt7621_wdt_bootcause(void) + + static int mt7621_wdt_is_running(struct watchdog_device *w) + { +- return !!(rt_wdt_r32(TIMER_REG_TMR1CTL) & TMR1CTL_ENABLE); ++ struct mt7621_wdt_data *drvdata = watchdog_get_drvdata(w); ++ ++ return !!(rt_wdt_r32(drvdata->base, TIMER_REG_TMR1CTL) & TMR1CTL_ENABLE); + } + + static const struct watchdog_info mt7621_wdt_info = { +@@ -121,30 +132,39 @@ static const struct watchdog_ops mt7621_ + .set_timeout = mt7621_wdt_set_timeout, + }; + +-static struct watchdog_device mt7621_wdt_dev = { +- .info = &mt7621_wdt_info, +- .ops = &mt7621_wdt_ops, +- .min_timeout = 1, +- .max_timeout = 0xfffful / 1000, +-}; +- + static int mt7621_wdt_probe(struct platform_device *pdev) + { + struct device *dev = &pdev->dev; +- mt7621_wdt_base = devm_platform_ioremap_resource(pdev, 0); +- if (IS_ERR(mt7621_wdt_base)) +- return PTR_ERR(mt7621_wdt_base); +- +- mt7621_wdt_reset = devm_reset_control_get_exclusive(dev, NULL); +- if (!IS_ERR(mt7621_wdt_reset)) +- reset_control_deassert(mt7621_wdt_reset); +- +- mt7621_wdt_dev.bootstatus = mt7621_wdt_bootcause(); +- +- watchdog_init_timeout(&mt7621_wdt_dev, mt7621_wdt_dev.max_timeout, +- dev); +- watchdog_set_nowayout(&mt7621_wdt_dev, nowayout); +- if (mt7621_wdt_is_running(&mt7621_wdt_dev)) { ++ struct watchdog_device *mt7621_wdt; ++ struct mt7621_wdt_data *drvdata; ++ int err; ++ ++ drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL); ++ if (!drvdata) ++ return -ENOMEM; ++ ++ drvdata->base = devm_platform_ioremap_resource(pdev, 0); ++ if (IS_ERR(drvdata->base)) ++ return PTR_ERR(drvdata->base); ++ ++ drvdata->rst = devm_reset_control_get_exclusive(dev, NULL); ++ if (!IS_ERR(drvdata->rst)) ++ reset_control_deassert(drvdata->rst); ++ ++ mt7621_wdt = &drvdata->wdt; ++ mt7621_wdt->info = &mt7621_wdt_info; ++ mt7621_wdt->ops = &mt7621_wdt_ops; ++ mt7621_wdt->min_timeout = 1; ++ mt7621_wdt->max_timeout = 0xfffful / 1000; ++ mt7621_wdt->parent = dev; ++ ++ mt7621_wdt->bootstatus = mt7621_wdt_bootcause(); ++ ++ watchdog_init_timeout(mt7621_wdt, mt7621_wdt->max_timeout, dev); ++ watchdog_set_nowayout(mt7621_wdt, nowayout); ++ watchdog_set_drvdata(mt7621_wdt, drvdata); ++ ++ if (mt7621_wdt_is_running(mt7621_wdt)) { + /* + * Make sure to apply timeout from watchdog core, taking + * the prescaler of this driver here into account (the +@@ -154,17 +174,25 @@ static int mt7621_wdt_probe(struct platf + * we first disable the watchdog, set the new prescaler + * and timeout, and then re-enable the watchdog. + */ +- mt7621_wdt_stop(&mt7621_wdt_dev); +- mt7621_wdt_start(&mt7621_wdt_dev); +- set_bit(WDOG_HW_RUNNING, &mt7621_wdt_dev.status); ++ mt7621_wdt_stop(mt7621_wdt); ++ mt7621_wdt_start(mt7621_wdt); ++ set_bit(WDOG_HW_RUNNING, &mt7621_wdt->status); + } + +- return devm_watchdog_register_device(dev, &mt7621_wdt_dev); ++ err = devm_watchdog_register_device(dev, &drvdata->wdt); ++ if (err) ++ return err; ++ ++ platform_set_drvdata(pdev, drvdata); ++ ++ return 0; + } + + static void mt7621_wdt_shutdown(struct platform_device *pdev) + { +- mt7621_wdt_stop(&mt7621_wdt_dev); ++ struct mt7621_wdt_data *drvdata = platform_get_drvdata(pdev); ++ ++ mt7621_wdt_stop(&drvdata->wdt); + } + + static const struct of_device_id mt7621_wdt_match[] = { diff --git a/target/linux/ramips/patches-6.1/009-v6.3-02-watchdog-mt7621-wdt-avoid-ralink-architecture-depend.patch b/target/linux/ramips/patches-6.1/009-v6.3-02-watchdog-mt7621-wdt-avoid-ralink-architecture-depend.patch new file mode 100644 index 0000000000..7e4e45df13 --- /dev/null +++ b/target/linux/ramips/patches-6.1/009-v6.3-02-watchdog-mt7621-wdt-avoid-ralink-architecture-depend.patch @@ -0,0 +1,104 @@ +From ff8ec4ac39ad413b580d611dbf68e1d8a82eba56 Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Tue, 14 Feb 2023 11:39:36 +0100 +Subject: [PATCH 2/2] watchdog: mt7621-wdt: avoid ralink architecture dependent code + +MT7621 SoC has a system controller node. Watchdog need to access to reset +status register. Ralink architecture and related driver are old and from +the beggining they are using some architecture dependent operations for +accessing this shared registers through 'asm/mach-ralink/ralink_regs.h' +header file. However this is not ideal from a driver perspective which can +just access to the system controller registers in an arch independent way +using regmap syscon APIs. Update Kconfig accordingly to select new added +dependencies and allow driver to be compile tested. + +Signed-off-by: Sergio Paracuellos +Reviewed-by: Guenter Roeck +Link: https://lore.kernel.org/r/20230214103936.1061078-6-sergio.paracuellos@gmail.com +Signed-off-by: Guenter Roeck +Signed-off-by: Wim Van Sebroeck +--- + drivers/watchdog/Kconfig | 4 +++- + drivers/watchdog/mt7621_wdt.c | 22 +++++++++++++++++----- + 2 files changed, 20 insertions(+), 6 deletions(-) + +--- a/drivers/watchdog/Kconfig ++++ b/drivers/watchdog/Kconfig +@@ -1865,7 +1865,9 @@ config GXP_WATCHDOG + config MT7621_WDT + tristate "Mediatek SoC watchdog" + select WATCHDOG_CORE +- depends on SOC_MT7620 || SOC_MT7621 ++ select REGMAP_MMIO ++ select MFD_SYSCON ++ depends on SOC_MT7620 || SOC_MT7621 || COMPILE_TEST + help + Hardware driver for the Mediatek/Ralink MT7621/8 SoC Watchdog Timer. + +--- a/drivers/watchdog/mt7621_wdt.c ++++ b/drivers/watchdog/mt7621_wdt.c +@@ -15,8 +15,8 @@ + #include + #include + #include +- +-#include ++#include ++#include + + #define SYSC_RSTSTAT 0x38 + #define WDT_RST_CAUSE BIT(1) +@@ -34,6 +34,7 @@ + struct mt7621_wdt_data { + void __iomem *base; + struct reset_control *rst; ++ struct regmap *sysc; + struct watchdog_device wdt; + }; + +@@ -104,9 +105,12 @@ static int mt7621_wdt_stop(struct watchd + return 0; + } + +-static int mt7621_wdt_bootcause(void) ++static int mt7621_wdt_bootcause(struct mt7621_wdt_data *d) + { +- if (rt_sysc_r32(SYSC_RSTSTAT) & WDT_RST_CAUSE) ++ u32 val; ++ ++ regmap_read(d->sysc, SYSC_RSTSTAT, &val); ++ if (val & WDT_RST_CAUSE) + return WDIOF_CARDRESET; + + return 0; +@@ -134,6 +138,7 @@ static const struct watchdog_ops mt7621_ + + static int mt7621_wdt_probe(struct platform_device *pdev) + { ++ struct device_node *np = pdev->dev.of_node; + struct device *dev = &pdev->dev; + struct watchdog_device *mt7621_wdt; + struct mt7621_wdt_data *drvdata; +@@ -143,6 +148,13 @@ static int mt7621_wdt_probe(struct platf + if (!drvdata) + return -ENOMEM; + ++ drvdata->sysc = syscon_regmap_lookup_by_phandle(np, "mediatek,sysctl"); ++ if (IS_ERR(drvdata->sysc)) { ++ drvdata->sysc = syscon_regmap_lookup_by_compatible("mediatek,mt7621-sysc"); ++ if (IS_ERR(drvdata->sysc)) ++ return PTR_ERR(drvdata->sysc); ++ } ++ + drvdata->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(drvdata->base)) + return PTR_ERR(drvdata->base); +@@ -158,7 +170,7 @@ static int mt7621_wdt_probe(struct platf + mt7621_wdt->max_timeout = 0xfffful / 1000; + mt7621_wdt->parent = dev; + +- mt7621_wdt->bootstatus = mt7621_wdt_bootcause(); ++ mt7621_wdt->bootstatus = mt7621_wdt_bootcause(drvdata); + + watchdog_init_timeout(mt7621_wdt, mt7621_wdt->max_timeout, dev); + watchdog_set_nowayout(mt7621_wdt, nowayout); diff --git a/target/linux/ramips/patches-6.1/010-v6.5-01-mips-pci-mt7620-do-not-print-NFTS-register-value-as-.patch b/target/linux/ramips/patches-6.1/010-v6.5-01-mips-pci-mt7620-do-not-print-NFTS-register-value-as-.patch new file mode 100644 index 0000000000..704e861b82 --- /dev/null +++ b/target/linux/ramips/patches-6.1/010-v6.5-01-mips-pci-mt7620-do-not-print-NFTS-register-value-as-.patch @@ -0,0 +1,32 @@ +From 9f9a035e6156a57d9da062b26d2a48d031744a1e Mon Sep 17 00:00:00 2001 +From: Shiji Yang +Date: Tue, 20 Jun 2023 18:43:22 +0800 +Subject: [PATCH 1/2] mips: pci-mt7620: do not print NFTS register value as + error log + +These codes are used to read NFTS_TIMEOUT_DELAY register value and +write it into kernel log after writing the register. they are only +used for debugging during driver development, so there is no need +to keep them now. + +Tested on MT7628AN router Motorola MWR03. + +Signed-off-by: Shiji Yang +Reviewed-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/pci/pci-mt7620.c | 3 --- + 1 file changed, 3 deletions(-) + +--- a/arch/mips/pci/pci-mt7620.c ++++ b/arch/mips/pci/pci-mt7620.c +@@ -274,9 +274,6 @@ static int mt7628_pci_hw_init(struct pla + val |= 0x50 << 8; + pci_config_write(NULL, 0, 0x70c, 4, val); + +- pci_config_read(NULL, 0, 0x70c, 4, &val); +- dev_err(&pdev->dev, "Port 0 N_FTS = %x\n", (unsigned int) val); +- + return 0; + } + diff --git a/target/linux/ramips/patches-6.1/010-v6.5-02-mips-pci-mt7620-use-dev_info-to-log-PCIe-device-dete.patch b/target/linux/ramips/patches-6.1/010-v6.5-02-mips-pci-mt7620-use-dev_info-to-log-PCIe-device-dete.patch new file mode 100644 index 0000000000..5898a110ea --- /dev/null +++ b/target/linux/ramips/patches-6.1/010-v6.5-02-mips-pci-mt7620-use-dev_info-to-log-PCIe-device-dete.patch @@ -0,0 +1,39 @@ +From 89ec9bbe60b61cc6ae3eddd6d4f43e128f8a88de Mon Sep 17 00:00:00 2001 +From: Shiji Yang +Date: Tue, 20 Jun 2023 18:43:23 +0800 +Subject: [PATCH 2/2] mips: pci-mt7620: use dev_info() to log PCIe device + detection result + +Usually, We only need to print the error log when there is a PCIe card but +initialization fails. Whether the driver finds the PCIe card or not is the +expected behavior. So it's better to log these information with dev_info(). + +Tested on MT7628AN router Motorola MWR03. + +Signed-off-by: Shiji Yang +Reviewed-by: Sergio Paracuellos +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/pci/pci-mt7620.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/arch/mips/pci/pci-mt7620.c ++++ b/arch/mips/pci/pci-mt7620.c +@@ -331,7 +331,7 @@ static int mt7620_pci_probe(struct platf + rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1); + if (ralink_soc == MT762X_SOC_MT7620A) + rt_sysc_m32(LC_CKDRVPD, PDRV_SW_SET, PPLL_DRV); +- dev_err(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n"); ++ dev_info(&pdev->dev, "PCIE0 no card, disable it(RST&CLK)\n"); + return -1; + } + +@@ -374,7 +374,7 @@ int pcibios_map_irq(const struct pci_dev + dev->bus->number, slot); + return 0; + } +- dev_err(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n", ++ dev_info(&dev->dev, "card - bus=0x%x, slot = 0x%x irq=%d\n", + dev->bus->number, slot, irq); + + /* configure the cache line size to 0x14 */ diff --git a/target/linux/ramips/patches-6.1/110-v6.4-PCI-mt7621-Use-dev_info-to-log-PCIe-card-detection.patch b/target/linux/ramips/patches-6.1/110-v6.4-PCI-mt7621-Use-dev_info-to-log-PCIe-card-detection.patch new file mode 100644 index 0000000000..ad2191e655 --- /dev/null +++ b/target/linux/ramips/patches-6.1/110-v6.4-PCI-mt7621-Use-dev_info-to-log-PCIe-card-detection.patch @@ -0,0 +1,31 @@ +From 50233e105a0332ec0f3bc83180c416e6b200471e Mon Sep 17 00:00:00 2001 +From: Sergio Paracuellos +Date: Fri, 24 Mar 2023 08:37:33 +0100 +Subject: PCI: mt7621: Use dev_info() to log PCIe card detection + +When there is no card plugged on a PCIe port a log reporting that +the port will be disabled is flagged as an error (dev_err()). + +Since this is not an error at all, change the log level by using +dev_info() instead. + +Link: https://lore.kernel.org/r/20230324073733.1596231-1-sergio.paracuellos@gmail.com +Signed-off-by: Sergio Paracuellos +Signed-off-by: Lorenzo Pieralisi +--- + drivers/pci/controller/pcie-mt7621.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/drivers/pci/controller/pcie-mt7621.c ++++ b/drivers/pci/controller/pcie-mt7621.c +@@ -378,8 +378,8 @@ static int mt7621_pcie_init_ports(struct + u32 slot = port->slot; + + if (!mt7621_pcie_port_is_linkup(port)) { +- dev_err(dev, "pcie%d no card, disable it (RST & CLK)\n", +- slot); ++ dev_info(dev, "pcie%d no card, disable it (RST & CLK)\n", ++ slot); + mt7621_control_assert(port); + port->enabled = false; + num_disabled++; diff --git a/target/linux/ramips/patches-6.1/200-add-ralink-eth.patch b/target/linux/ramips/patches-6.1/200-add-ralink-eth.patch new file mode 100644 index 0000000000..c52c12526b --- /dev/null +++ b/target/linux/ramips/patches-6.1/200-add-ralink-eth.patch @@ -0,0 +1,20 @@ +--- a/drivers/net/ethernet/Kconfig ++++ b/drivers/net/ethernet/Kconfig +@@ -166,6 +166,7 @@ source "drivers/net/ethernet/pensando/Kc + source "drivers/net/ethernet/qlogic/Kconfig" + source "drivers/net/ethernet/brocade/Kconfig" + source "drivers/net/ethernet/qualcomm/Kconfig" ++source "drivers/net/ethernet/ralink/Kconfig" + source "drivers/net/ethernet/rdc/Kconfig" + source "drivers/net/ethernet/realtek/Kconfig" + source "drivers/net/ethernet/renesas/Kconfig" +--- a/drivers/net/ethernet/Makefile ++++ b/drivers/net/ethernet/Makefile +@@ -77,6 +77,7 @@ obj-$(CONFIG_NET_VENDOR_PACKET_ENGINES) + obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/ + obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/ + obj-$(CONFIG_NET_VENDOR_QUALCOMM) += qualcomm/ ++obj-$(CONFIG_NET_VENDOR_RALINK) += ralink/ + obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/ + obj-$(CONFIG_NET_VENDOR_RENESAS) += renesas/ + obj-$(CONFIG_NET_VENDOR_RDC) += rdc/ diff --git a/target/linux/ramips/patches-6.1/300-mt7620-export-chip-version-and-pkg.patch b/target/linux/ramips/patches-6.1/300-mt7620-export-chip-version-and-pkg.patch new file mode 100644 index 0000000000..4f4fe9018a --- /dev/null +++ b/target/linux/ramips/patches-6.1/300-mt7620-export-chip-version-and-pkg.patch @@ -0,0 +1,19 @@ +--- a/arch/mips/include/asm/mach-ralink/mt7620.h ++++ b/arch/mips/include/asm/mach-ralink/mt7620.h +@@ -61,4 +61,16 @@ static inline int mt7620_get_eco(void) + return rt_sysc_r32(SYSC_REG_CHIP_REV) & CHIP_REV_ECO_MASK; + } + ++static inline int mt7620_get_chipver(void) ++{ ++ return (rt_sysc_r32(SYSC_REG_CHIP_REV) >> CHIP_REV_VER_SHIFT) & ++ CHIP_REV_VER_MASK; ++} ++ ++static inline int mt7620_get_pkg(void) ++{ ++ return (rt_sysc_r32(SYSC_REG_CHIP_REV) >> CHIP_REV_PKG_SHIFT) & ++ CHIP_REV_PKG_MASK; ++} ++ + #endif diff --git a/target/linux/ramips/patches-6.1/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch b/target/linux/ramips/patches-6.1/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch new file mode 100644 index 0000000000..172cf98ad1 --- /dev/null +++ b/target/linux/ramips/patches-6.1/311-MIPS-use-set_mode-to-enable-disable-the-cevt-r4k-irq.patch @@ -0,0 +1,100 @@ +From ce3d4a4111a5f7e6b4e74bceae5faa6ce388e8ec Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 14 Jul 2013 23:08:11 +0200 +Subject: [PATCH 05/53] MIPS: use set_mode() to enable/disable the cevt-r4k + irq + +Signed-off-by: John Crispin +--- + arch/mips/ralink/Kconfig | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -1,12 +1,17 @@ + # SPDX-License-Identifier: GPL-2.0 + if RALINK + ++config CEVT_SYSTICK_QUIRK ++ bool ++ default n ++ + config CLKEVT_RT3352 + bool + depends on SOC_RT305X || SOC_MT7620 + default y + select TIMER_OF + select CLKSRC_MMIO ++ select CEVT_SYSTICK_QUIRK + + config RALINK_ILL_ACC + bool +--- a/arch/mips/kernel/cevt-r4k.c ++++ b/arch/mips/kernel/cevt-r4k.c +@@ -16,6 +16,31 @@ + #include + #include + ++#ifdef CONFIG_CEVT_SYSTICK_QUIRK ++static int mips_state_oneshot(struct clock_event_device *evt) ++{ ++ unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED; ++ if (!cp0_timer_irq_installed) { ++ cp0_timer_irq_installed = 1; ++ if (request_irq(evt->irq, c0_compare_interrupt, flags, "timer", ++ c0_compare_interrupt)) ++ pr_err("Failed to request irq %d (timer)\n", evt->irq); ++ } ++ ++ return 0; ++} ++ ++static int mips_state_shutdown(struct clock_event_device *evt) ++{ ++ if (cp0_timer_irq_installed) { ++ cp0_timer_irq_installed = 0; ++ free_irq(evt->irq, NULL); ++ } ++ ++ return 0; ++} ++#endif ++ + static int mips_next_event(unsigned long delta, + struct clock_event_device *evt) + { +@@ -292,7 +317,9 @@ core_initcall(r4k_register_cpufreq_notif + + int r4k_clockevent_init(void) + { ++#ifndef CONFIG_CEVT_SYSTICK_QUIRK + unsigned long flags = IRQF_PERCPU | IRQF_TIMER | IRQF_SHARED; ++#endif + unsigned int cpu = smp_processor_id(); + struct clock_event_device *cd; + unsigned int irq, min_delta; +@@ -322,11 +349,16 @@ int r4k_clockevent_init(void) + cd->rating = 300; + cd->irq = irq; + cd->cpumask = cpumask_of(cpu); ++#ifdef CONFIG_CEVT_SYSTICK_QUIRK ++ cd->set_state_shutdown = mips_state_shutdown; ++ cd->set_state_oneshot = mips_state_oneshot; ++#endif + cd->set_next_event = mips_next_event; + cd->event_handler = mips_event_handler; + + clockevents_config_and_register(cd, mips_hpt_frequency, min_delta, 0x7fffffff); + ++#ifndef CONFIG_CEVT_SYSTICK_QUIRK + if (cp0_timer_irq_installed) + return 0; + +@@ -335,6 +367,7 @@ int r4k_clockevent_init(void) + if (request_irq(irq, c0_compare_interrupt, flags, "timer", + c0_compare_interrupt)) + pr_err("Failed to request irq %d (timer)\n", irq); ++#endif + + return 0; + } diff --git a/target/linux/ramips/patches-6.1/312-MIPS-ralink-add-cpu-frequency-scaling.patch b/target/linux/ramips/patches-6.1/312-MIPS-ralink-add-cpu-frequency-scaling.patch new file mode 100644 index 0000000000..0d70770941 --- /dev/null +++ b/target/linux/ramips/patches-6.1/312-MIPS-ralink-add-cpu-frequency-scaling.patch @@ -0,0 +1,195 @@ +From bd30f19a006fb52bac80c6463c49dd2f4159f4ac Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 28 Jul 2013 16:26:41 +0200 +Subject: [PATCH 06/53] MIPS: ralink: add cpu frequency scaling + +This feature will break udelay() and cause the delay loop to have longer delays +when the frequency is scaled causing a performance hit. + +Signed-off-by: John Crispin +--- + arch/mips/ralink/cevt-rt3352.c | 38 ++++++++++++++++++++++++++++++++++++++ + 1 file changed, 38 insertions(+) + +--- a/arch/mips/ralink/cevt-rt3352.c ++++ b/arch/mips/ralink/cevt-rt3352.c +@@ -29,6 +29,10 @@ + /* enable the counter */ + #define CFG_CNT_EN 0x1 + ++/* mt7620 frequency scaling defines */ ++#define CLK_LUT_CFG 0x40 ++#define SLEEP_EN BIT(31) ++ + struct systick_device { + void __iomem *membase; + struct clock_event_device dev; +@@ -36,21 +40,53 @@ struct systick_device { + int freq_scale; + }; + ++static void (*systick_freq_scaling)(struct systick_device *sdev, int status); ++ + static int systick_set_oneshot(struct clock_event_device *evt); + static int systick_shutdown(struct clock_event_device *evt); + ++static inline void mt7620_freq_scaling(struct systick_device *sdev, int status) ++{ ++ if (sdev->freq_scale == status) ++ return; ++ ++ sdev->freq_scale = status; ++ ++ pr_info("%s: %s autosleep mode\n", sdev->dev.name, ++ (status) ? ("enable") : ("disable")); ++ if (status) ++ rt_sysc_w32(rt_sysc_r32(CLK_LUT_CFG) | SLEEP_EN, CLK_LUT_CFG); ++ else ++ rt_sysc_w32(rt_sysc_r32(CLK_LUT_CFG) & ~SLEEP_EN, CLK_LUT_CFG); ++} ++ ++static inline unsigned int read_count(struct systick_device *sdev) ++{ ++ return ioread32(sdev->membase + SYSTICK_COUNT); ++} ++ ++static inline unsigned int read_compare(struct systick_device *sdev) ++{ ++ return ioread32(sdev->membase + SYSTICK_COMPARE); ++} ++ ++static inline void write_compare(struct systick_device *sdev, unsigned int val) ++{ ++ iowrite32(val, sdev->membase + SYSTICK_COMPARE); ++} ++ + static int systick_next_event(unsigned long delta, + struct clock_event_device *evt) + { + struct systick_device *sdev; +- u32 count; ++ int res; + + sdev = container_of(evt, struct systick_device, dev); +- count = ioread32(sdev->membase + SYSTICK_COUNT); +- count = (count + delta) % SYSTICK_FREQ; +- iowrite32(count, sdev->membase + SYSTICK_COMPARE); ++ delta += read_count(sdev); ++ write_compare(sdev, delta); ++ res = ((int)(read_count(sdev) - delta) >= 0) ? -ETIME : 0; + +- return 0; ++ return res; + } + + static void systick_event_handler(struct clock_event_device *dev) +@@ -60,20 +96,25 @@ static void systick_event_handler(struct + + static irqreturn_t systick_interrupt(int irq, void *dev_id) + { +- struct clock_event_device *dev = (struct clock_event_device *) dev_id; ++ int ret = 0; ++ struct clock_event_device *cdev; ++ struct systick_device *sdev; + +- dev->event_handler(dev); ++ if (read_c0_cause() & STATUSF_IP7) { ++ cdev = (struct clock_event_device *) dev_id; ++ sdev = container_of(cdev, struct systick_device, dev); ++ ++ /* Clear Count/Compare Interrupt */ ++ write_compare(sdev, read_compare(sdev)); ++ cdev->event_handler(cdev); ++ ret = 1; ++ } + +- return IRQ_HANDLED; ++ return IRQ_RETVAL(ret); + } + + static struct systick_device systick = { + .dev = { +- /* +- * cevt-r4k uses 300, make sure systick +- * gets used if available +- */ +- .rating = 310, + .features = CLOCK_EVT_FEAT_ONESHOT, + .set_next_event = systick_next_event, + .set_state_shutdown = systick_shutdown, +@@ -91,7 +132,13 @@ static int systick_shutdown(struct clock + if (sdev->irq_requested) + free_irq(systick.dev.irq, &systick.dev); + sdev->irq_requested = 0; +- iowrite32(0, systick.membase + SYSTICK_CONFIG); ++ iowrite32(CFG_CNT_EN, systick.membase + SYSTICK_CONFIG); ++ ++ if (systick_freq_scaling) ++ systick_freq_scaling(sdev, 0); ++ ++ if (systick_freq_scaling) ++ systick_freq_scaling(sdev, 1); + + return 0; + } +@@ -116,33 +163,46 @@ static int systick_set_oneshot(struct cl + return 0; + } + ++static const struct of_device_id systick_match[] = { ++ { .compatible = "ralink,mt7620a-systick", .data = mt7620_freq_scaling}, ++ {}, ++}; ++ + static int __init ralink_systick_init(struct device_node *np) + { +- int ret; ++ const struct of_device_id *match; ++ int rating = 200; + + systick.membase = of_iomap(np, 0); + if (!systick.membase) + return -ENXIO; + +- systick.dev.name = np->name; +- clockevents_calc_mult_shift(&systick.dev, SYSTICK_FREQ, 60); +- systick.dev.max_delta_ns = clockevent_delta2ns(0x7fff, &systick.dev); +- systick.dev.max_delta_ticks = 0x7fff; +- systick.dev.min_delta_ns = clockevent_delta2ns(0x3, &systick.dev); +- systick.dev.min_delta_ticks = 0x3; ++ match = of_match_node(systick_match, np); ++ if (match) { ++ systick_freq_scaling = match->data; ++ /* ++ * cevt-r4k uses 300, make sure systick ++ * gets used if available ++ */ ++ rating = 310; ++ } ++ ++ /* enable counter than register clock source */ ++ iowrite32(CFG_CNT_EN, systick.membase + SYSTICK_CONFIG); ++ clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name, ++ SYSTICK_FREQ, rating, 16, clocksource_mmio_readl_up); ++ ++ /* register clock event */ + systick.dev.irq = irq_of_parse_and_map(np, 0); + if (!systick.dev.irq) { + pr_err("%pOFn: request_irq failed", np); + return -EINVAL; + } + +- ret = clocksource_mmio_init(systick.membase + SYSTICK_COUNT, np->name, +- SYSTICK_FREQ, 301, 16, +- clocksource_mmio_readl_up); +- if (ret) +- return ret; +- +- clockevents_register_device(&systick.dev); ++ systick.dev.name = np->name; ++ systick.dev.rating = rating; ++ systick.dev.cpumask = cpumask_of(0); ++ clockevents_config_and_register(&systick.dev, SYSTICK_FREQ, 0x3, 0x7fff); + + pr_info("%pOFn: running - mult: %d, shift: %d\n", + np, systick.dev.mult, systick.dev.shift); diff --git a/target/linux/ramips/patches-6.1/314-MIPS-add-bootargs-override-property.patch b/target/linux/ramips/patches-6.1/314-MIPS-add-bootargs-override-property.patch new file mode 100644 index 0000000000..26a28167c6 --- /dev/null +++ b/target/linux/ramips/patches-6.1/314-MIPS-add-bootargs-override-property.patch @@ -0,0 +1,63 @@ +From f15d27f9c90ede4b16eb37f9ae573ef81c2b6996 Mon Sep 17 00:00:00 2001 +From: David Bauer +Date: Thu, 31 Dec 2020 18:49:12 +0100 +Subject: [PATCH] MIPS: add bootargs-override property + +Add support for the bootargs-override property to the chosen node +similar to the one used on ipq806x or mpc85xx. + +This is necessary, as the U-Boot used on some boards, notably the +Ubiquiti UniFi 6 Lite, overwrite the bootargs property of the chosen +node leading to a kernel panic when loading OpenWrt. + +Signed-off-by: David Bauer +--- + arch/mips/kernel/setup.c | 30 ++++++++++++++++++++++++++++++ + 1 file changed, 30 insertions(+) + +--- a/arch/mips/kernel/setup.c ++++ b/arch/mips/kernel/setup.c +@@ -557,8 +557,28 @@ static int __init bootcmdline_scan_chose + + #endif /* CONFIG_OF_EARLY_FLATTREE */ + ++static int __init bootcmdline_scan_chosen_override(unsigned long node, const char *uname, ++ int depth, void *data) ++{ ++ bool *dt_bootargs = data; ++ const char *p; ++ int l; ++ ++ if (depth != 1 || !data || strcmp(uname, "chosen") != 0) ++ return 0; ++ ++ p = of_get_flat_dt_prop(node, "bootargs-override", &l); ++ if (p != NULL && l > 0) { ++ strlcpy(boot_command_line, p, COMMAND_LINE_SIZE); ++ *dt_bootargs = true; ++ } ++ ++ return 1; ++} ++ + static void __init bootcmdline_init(void) + { ++ bool dt_bootargs_override = false; + bool dt_bootargs = false; + + /* +@@ -572,6 +592,14 @@ static void __init bootcmdline_init(void + } + + /* ++ * If bootargs-override in the chosen node is set, use this as the ++ * command line ++ */ ++ of_scan_flat_dt(bootcmdline_scan_chosen_override, &dt_bootargs_override); ++ if (dt_bootargs_override) ++ return; ++ ++ /* + * If the user specified a built-in command line & + * MIPS_CMDLINE_BUILTIN_EXTEND, then the built-in command line is + * prepended to arguments from the bootloader or DT so we'll copy them diff --git a/target/linux/ramips/patches-6.1/315-owrt-hack-fix-mt7688-cache-issue.patch b/target/linux/ramips/patches-6.1/315-owrt-hack-fix-mt7688-cache-issue.patch new file mode 100644 index 0000000000..c31e6d7cde --- /dev/null +++ b/target/linux/ramips/patches-6.1/315-owrt-hack-fix-mt7688-cache-issue.patch @@ -0,0 +1,28 @@ +From 5ede027f6c4a57ed25da872420508b7f1168b36b Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Mon, 7 Dec 2015 17:15:32 +0100 +Subject: [PATCH 13/53] owrt: hack: fix mt7688 cache issue + +Signed-off-by: John Crispin +--- + arch/mips/kernel/setup.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/mips/kernel/setup.c ++++ b/arch/mips/kernel/setup.c +@@ -699,7 +699,6 @@ static void __init arch_mem_init(char ** + mips_reserve_vmcore(); + + mips_parse_crashkernel(); +- device_tree_init(); + + /* + * In order to reduce the possibility of kernel panic when failed to +@@ -834,6 +833,7 @@ void __init setup_arch(char **cmdline_p) + + cpu_cache_init(); + paging_init(); ++ device_tree_init(); + + memblock_dump_all(); + diff --git a/target/linux/ramips/patches-6.1/316-arch-mips-do-not-select-illegal-access-driver-by-def.patch b/target/linux/ramips/patches-6.1/316-arch-mips-do-not-select-illegal-access-driver-by-def.patch new file mode 100644 index 0000000000..1dc54ccf23 --- /dev/null +++ b/target/linux/ramips/patches-6.1/316-arch-mips-do-not-select-illegal-access-driver-by-def.patch @@ -0,0 +1,25 @@ +From 9e6ce539092a1dd605a20bf73c655a9de58d8641 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Mon, 7 Dec 2015 17:18:05 +0100 +Subject: [PATCH 15/53] arch: mips: do not select illegal access driver by + default + +Signed-off-by: John Crispin +--- + arch/mips/ralink/Kconfig | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +--- a/arch/mips/ralink/Kconfig ++++ b/arch/mips/ralink/Kconfig +@@ -14,9 +14,9 @@ config CLKEVT_RT3352 + select CEVT_SYSTICK_QUIRK + + config RALINK_ILL_ACC +- bool ++ bool "illegal access irq" + depends on SOC_RT305X +- default y ++ default n + + config IRQ_INTC + bool diff --git a/target/linux/ramips/patches-6.1/320-MIPS-add-support-for-buggy-MT7621S-core-detection.patch b/target/linux/ramips/patches-6.1/320-MIPS-add-support-for-buggy-MT7621S-core-detection.patch new file mode 100644 index 0000000000..ef54835f89 --- /dev/null +++ b/target/linux/ramips/patches-6.1/320-MIPS-add-support-for-buggy-MT7621S-core-detection.patch @@ -0,0 +1,75 @@ +From 6decd1aad15f56b169217789630a0098b496de0e Mon Sep 17 00:00:00 2001 +From: Ilya Lipnitskiy +Date: Wed, 7 Apr 2021 13:07:38 -0700 +Subject: [PATCH] MIPS: add support for buggy MT7621S core detection + +Most MT7621 SoCs have 2 cores, which is detected and supported properly +by CPS. + +Unfortunately, MT7621 SoC has a less common S variant with only one core. +On MT7621S, GCR_CONFIG still reports 2 cores, which leads to hangs when +starting SMP. CPULAUNCH registers can be used in that case to detect the +absence of the second core and override the GCR_CONFIG PCORES field. + +Rework a long-standing OpenWrt patch to override the value of +mips_cps_numcores on single-core MT7621 systems. + +Tested on a dual-core MT7621 device (Ubiquiti ER-X) and a single-core +MT7621 device (Netgear R6220). + +Original 4.14 OpenWrt patch: +Link: https://git.openwrt.org/?p=openwrt/openwrt.git;a=commitdiff;h=4cdbc90a376dd0555201c1434a2081e055e9ceb7 +Current 5.10 OpenWrt patch: +Link: https://git.openwrt.org/?p=openwrt/openwrt.git;a=blob;f=target/linux/ramips/patches-5.10/320-mt7621-core-detect-hack.patch;h=c63f0f4c1ec742e24d8480e80553863744b58f6a;hb=10267e17299806f9885d086147878f6c492cb904 + +Suggested-by: Felix Fietkau +Signed-off-by: Ilya Lipnitskiy +Signed-off-by: Thomas Bogendoerfer +--- + arch/mips/include/asm/mips-cps.h | 23 ++++++++++++++++++++++- + 1 file changed, 22 insertions(+), 1 deletion(-) + +--- a/arch/mips/include/asm/mips-cps.h ++++ b/arch/mips/include/asm/mips-cps.h +@@ -11,6 +11,8 @@ + #include + #include + ++#include ++ + extern unsigned long __cps_access_bad_size(void) + __compiletime_error("Bad size for CPS accessor"); + +@@ -162,12 +164,31 @@ static inline uint64_t mips_cps_cluster_ + */ + static inline unsigned int mips_cps_numcores(unsigned int cluster) + { ++ unsigned int ncores; ++ + if (!mips_cm_present()) + return 0; + + /* Add one before masking to handle 0xff indicating no cores */ +- return FIELD_GET(CM_GCR_CONFIG_PCORES, ++ ncores = FIELD_GET(CM_GCR_CONFIG_PCORES, + mips_cps_cluster_config(cluster) + 1); ++ ++ if (IS_ENABLED(CONFIG_SOC_MT7621)) { ++ struct cpulaunch *launch; ++ ++ /* ++ * Ralink MT7621S SoC is single core, but the GCR_CONFIG method ++ * always reports 2 cores. Check the second core's LAUNCH_FREADY ++ * flag to detect if the second core is missing. This method ++ * only works before the core has been started. ++ */ ++ launch = (struct cpulaunch *)CKSEG0ADDR(CPULAUNCH); ++ launch += 2; /* MT7621 has 2 VPEs per core */ ++ if (!(launch->flags & LAUNCH_FREADY)) ++ ncores = 1; ++ } ++ ++ return ncores; + } + + /** diff --git a/target/linux/ramips/patches-6.1/324-mt7621-perfctr-fix.patch b/target/linux/ramips/patches-6.1/324-mt7621-perfctr-fix.patch new file mode 100644 index 0000000000..dfeac7eb99 --- /dev/null +++ b/target/linux/ramips/patches-6.1/324-mt7621-perfctr-fix.patch @@ -0,0 +1,15 @@ +--- a/arch/mips/ralink/irq-gic.c ++++ b/arch/mips/ralink/irq-gic.c +@@ -13,6 +13,12 @@ + + int get_c0_perfcount_int(void) + { ++ /* ++ * Performance counter events are routed through GIC. ++ * Prevent them from firing on CPU IRQ7 as well ++ */ ++ clear_c0_status(IE_SW0 << 7); ++ + return gic_get_c0_perfcount_int(); + } + EXPORT_SYMBOL_GPL(get_c0_perfcount_int); diff --git a/target/linux/ramips/patches-6.1/400-mtd-cfi-cmdset-0002-force-word-write.patch b/target/linux/ramips/patches-6.1/400-mtd-cfi-cmdset-0002-force-word-write.patch new file mode 100644 index 0000000000..7011bbe50b --- /dev/null +++ b/target/linux/ramips/patches-6.1/400-mtd-cfi-cmdset-0002-force-word-write.patch @@ -0,0 +1,20 @@ +From ee9081b2726a5ca8cde5497afdc5425e21ff8f8b Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Mon, 15 Jul 2013 00:39:21 +0200 +Subject: [PATCH 37/53] mtd: cfi cmdset 0002 force word write + +--- + drivers/mtd/chips/cfi_cmdset_0002.c | 9 +++++++-- + 1 file changed, 7 insertions(+), 2 deletions(-) + +--- a/drivers/mtd/chips/cfi_cmdset_0002.c ++++ b/drivers/mtd/chips/cfi_cmdset_0002.c +@@ -40,7 +40,7 @@ + #include + + #define AMD_BOOTLOC_BUG +-#define FORCE_WORD_WRITE 0 ++#define FORCE_WORD_WRITE 1 + + #define MAX_RETRIES 3 + diff --git a/target/linux/ramips/patches-6.1/405-mtd-spi-nor-Add-support-for-BoHong-bh25q128as.patch b/target/linux/ramips/patches-6.1/405-mtd-spi-nor-Add-support-for-BoHong-bh25q128as.patch new file mode 100644 index 0000000000..3b88f78602 --- /dev/null +++ b/target/linux/ramips/patches-6.1/405-mtd-spi-nor-Add-support-for-BoHong-bh25q128as.patch @@ -0,0 +1,75 @@ +From 52d14545d2fc276b1bf9ccf48d4612fab6edfb6a Mon Sep 17 00:00:00 2001 +From: David Bauer +Date: Thu, 6 May 2021 17:49:55 +0200 +Subject: [PATCH] mtd: spi-nor: Add support for BoHong bh25q128as + +Add MTD support for the BoHong bh25q128as SPI NOR chip. +The chip has 16MB of total capacity, divided into a total of 256 +sectors, each 64KB sized. The chip also supports 4KB sectors. +Additionally, it supports dual and quad read modes. + +Functionality was verified on an Tenbay WR1800K / MTK MT7621 board. + +Signed-off-by: David Bauer +--- + drivers/mtd/spi-nor/Makefile | 1 + + drivers/mtd/spi-nor/bohong.c | 21 +++++++++++++++++++++ + drivers/mtd/spi-nor/core.c | 1 + + drivers/mtd/spi-nor/core.h | 1 + + 4 files changed, 24 insertions(+) + create mode 100644 drivers/mtd/spi-nor/bohong.c + +--- a/drivers/mtd/spi-nor/Makefile ++++ b/drivers/mtd/spi-nor/Makefile +@@ -2,6 +2,7 @@ + + spi-nor-objs := core.o sfdp.o swp.o otp.o sysfs.o + spi-nor-objs += atmel.o ++spi-nor-objs += bohong.o + spi-nor-objs += catalyst.o + spi-nor-objs += eon.o + spi-nor-objs += esmt.o +--- /dev/null ++++ b/drivers/mtd/spi-nor/bohong.c +@@ -0,0 +1,21 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * Copyright (C) 2005, Intec Automation Inc. ++ * Copyright (C) 2014, Freescale Semiconductor, Inc. ++ */ ++ ++#include ++ ++#include "core.h" ++ ++static const struct flash_info bohong_parts[] = { ++ /* BoHong Microelectronics */ ++ { "bh25q128as", INFO(0x684018, 0, 64 * 1024, 256) ++ NO_SFDP_FLAGS(SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) }, ++}; ++ ++const struct spi_nor_manufacturer spi_nor_bohong = { ++ .name = "bohong", ++ .parts = bohong_parts, ++ .nparts = ARRAY_SIZE(bohong_parts), ++}; +--- a/drivers/mtd/spi-nor/core.c ++++ b/drivers/mtd/spi-nor/core.c +@@ -1620,6 +1620,7 @@ int spi_nor_sr2_bit7_quad_enable(struct + + static const struct spi_nor_manufacturer *manufacturers[] = { + &spi_nor_atmel, ++ &spi_nor_bohong, + &spi_nor_catalyst, + &spi_nor_eon, + &spi_nor_esmt, +--- a/drivers/mtd/spi-nor/core.h ++++ b/drivers/mtd/spi-nor/core.h +@@ -617,6 +617,7 @@ struct sfdp { + + /* Manufacturer drivers. */ + extern const struct spi_nor_manufacturer spi_nor_atmel; ++extern const struct spi_nor_manufacturer spi_nor_bohong; + extern const struct spi_nor_manufacturer spi_nor_catalyst; + extern const struct spi_nor_manufacturer spi_nor_eon; + extern const struct spi_nor_manufacturer spi_nor_esmt; diff --git a/target/linux/ramips/patches-6.1/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch b/target/linux/ramips/patches-6.1/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch new file mode 100644 index 0000000000..438cc1ea8f --- /dev/null +++ b/target/linux/ramips/patches-6.1/410-mtd-rawnand-add-driver-support-for-MT7621-nand-flash.patch @@ -0,0 +1,47 @@ +From e84e2430ee0e483842b4ff013ae8a6e7e2fa2734 Mon Sep 17 00:00:00 2001 +From: Weijie Gao +Date: Wed, 1 Apr 2020 02:07:58 +0800 +Subject: [PATCH 1/2] mtd: rawnand: add driver support for MT7621 nand + flash controller + +This patch adds NAND flash controller driver for MediaTek MT7621 SoC. + +The NAND flash controller is similar with controllers described in +mtk_nand.c, except that the controller from MT7621 doesn't support DMA +transmission, and some registers' offset and fields are different. + +Signed-off-by: Weijie Gao +--- + drivers/mtd/nand/raw/Kconfig | 8 + + drivers/mtd/nand/raw/Makefile | 1 + + drivers/mtd/nand/raw/mt7621_nand.c | 1348 ++++++++++++++++++++++++++++++++++++ + 3 files changed, 1357 insertions(+) + create mode 100644 drivers/mtd/nand/raw/mt7621_nand.c + +--- a/drivers/mtd/nand/raw/Kconfig ++++ b/drivers/mtd/nand/raw/Kconfig +@@ -352,6 +352,14 @@ config MTD_NAND_QCOM + Enables support for NAND flash chips on SoCs containing the EBI2 NAND + controller. This controller is found on IPQ806x SoC. + ++config MTD_NAND_MT7621 ++ tristate "MT7621 NAND controller" ++ depends on SOC_MT7621 || COMPILE_TEST ++ depends on HAS_IOMEM ++ help ++ Enables support for NAND controller on MT7621 SoC. ++ This driver uses PIO mode for data transmission instead of DMA mode. ++ + config MTD_NAND_MTK + tristate "MTK NAND controller" + depends on MTD_NAND_ECC_MEDIATEK +--- a/drivers/mtd/nand/raw/Makefile ++++ b/drivers/mtd/nand/raw/Makefile +@@ -48,6 +48,7 @@ obj-$(CONFIG_MTD_NAND_SUNXI) += sunxi_n + obj-$(CONFIG_MTD_NAND_HISI504) += hisi504_nand.o + obj-$(CONFIG_MTD_NAND_BRCMNAND) += brcmnand/ + obj-$(CONFIG_MTD_NAND_QCOM) += qcom_nandc.o ++obj-$(CONFIG_MTD_NAND_MT7621) += mt7621_nand.o + obj-$(CONFIG_MTD_NAND_MTK) += mtk_nand.o + obj-$(CONFIG_MTD_NAND_MXIC) += mxic_nand.o + obj-$(CONFIG_MTD_NAND_TEGRA) += tegra_nand.o diff --git a/target/linux/ramips/patches-6.1/411-dt-bindings-add-documentation-for-mt7621-nand-driver.patch b/target/linux/ramips/patches-6.1/411-dt-bindings-add-documentation-for-mt7621-nand-driver.patch new file mode 100644 index 0000000000..3d122c10c0 --- /dev/null +++ b/target/linux/ramips/patches-6.1/411-dt-bindings-add-documentation-for-mt7621-nand-driver.patch @@ -0,0 +1,85 @@ +From 3d5f4da8296b23eb3abf8b13122b0d06a215e79c Mon Sep 17 00:00:00 2001 +From: Weijie Gao +Date: Wed, 1 Apr 2020 02:07:59 +0800 +Subject: [PATCH 2/2] dt-bindings: add documentation for mt7621-nand driver + +This patch adds documentation for MediaTek MT7621 NAND flash controller +driver. + +Signed-off-by: Weijie Gao +--- + .../bindings/mtd/mediatek,mt7621-nfc.yaml | 68 ++++++++++++++++++++++ + 1 file changed, 68 insertions(+) + create mode 100644 Documentation/devicetree/bindings/mtd/mediatek,mt7621-nfc.yaml + +--- /dev/null ++++ b/Documentation/devicetree/bindings/mtd/mediatek,mt7621-nfc.yaml +@@ -0,0 +1,68 @@ ++# SPDX-License-Identifier: GPL-2.0 ++%YAML 1.2 ++--- ++$id: http://devicetree.org/schemas/mtd/mediatek,mt7621-nfc.yaml# ++$schema: http://devicetree.org/meta-schemas/core.yaml# ++ ++title: MediaTek MT7621 SoC NAND Flash Controller (NFC) DT binding ++ ++maintainers: ++ - Weijie Gao ++ ++description: | ++ This driver uses a single node to describe both NAND Flash controller ++ interface (NFI) and ECC engine for MT7621 SoC. ++ MT7621 supports only one chip select. ++ ++properties: ++ "#address-cells": false ++ "#size-cells": false ++ ++ compatible: ++ enum: ++ - mediatek,mt7621-nfc ++ ++ reg: ++ items: ++ - description: Register base of NFI core ++ - description: Register base of ECC engine ++ ++ reg-names: ++ items: ++ - const: nfi ++ - const: ecc ++ ++ clocks: ++ items: ++ - description: Source clock for NFI core, fixed 125MHz ++ ++ clock-names: ++ items: ++ - const: nfi_clk ++ ++required: ++ - compatible ++ - reg ++ - reg-names ++ - clocks ++ - clock-names ++ ++examples: ++ - | ++ nficlock: nficlock { ++ #clock-cells = <0>; ++ compatible = "fixed-clock"; ++ ++ clock-frequency = <125000000>; ++ }; ++ ++ nand@1e003000 { ++ compatible = "mediatek,mt7621-nfc"; ++ ++ reg = <0x1e003000 0x800 ++ 0x1e003800 0x800>; ++ reg-names = "nfi", "ecc"; ++ ++ clocks = <&nficlock>; ++ clock-names = "nfi_clk"; ++ }; diff --git a/target/linux/ramips/patches-6.1/700-net-ethernet-mediatek-support-net-labels.patch b/target/linux/ramips/patches-6.1/700-net-ethernet-mediatek-support-net-labels.patch new file mode 100644 index 0000000000..a6e2aa04ca --- /dev/null +++ b/target/linux/ramips/patches-6.1/700-net-ethernet-mediatek-support-net-labels.patch @@ -0,0 +1,34 @@ +From bd0f89de5476ca25e73fae829ba3e1dafae1d90d Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Ren=C3=A9=20van=20Dorst?= +Date: Fri, 21 Jun 2019 10:04:05 +0200 +Subject: [PATCH] net: ethernet: mediatek: support net-labels + +With this patch, device name can be set within dts file in the same way as dsa +port can. +Add: label = "wan"; to GMAC node. + +Signed-off-by: René van Dorst +--- + drivers/net/ethernet/mediatek/mtk_eth_soc.c | 4 ++++ + 1 file changed, 4 insertions(+) + +--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c ++++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c +@@ -4643,6 +4643,7 @@ static const struct net_device_ops mtk_n + + static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) + { ++ const char *name = of_get_property(np, "label", NULL); + const __be32 *_id = of_get_property(np, "reg", NULL); + struct device_node *pcs_np; + phy_interface_t phy_mode; +@@ -4840,6 +4841,9 @@ static int mtk_add_mac(struct mtk_eth *e + register_netdevice_notifier(&mac->device_notifier); + } + ++ if (name) ++ strlcpy(eth->netdev[id]->name, name, IFNAMSIZ); ++ + return 0; + + free_netdev: diff --git a/target/linux/ramips/patches-6.1/720-Revert-net-phy-simplify-phy_link_change-arguments.patch b/target/linux/ramips/patches-6.1/720-Revert-net-phy-simplify-phy_link_change-arguments.patch new file mode 100644 index 0000000000..91159f2c63 --- /dev/null +++ b/target/linux/ramips/patches-6.1/720-Revert-net-phy-simplify-phy_link_change-arguments.patch @@ -0,0 +1,118 @@ +From ffbb1b37a3e1ce1a5c574a6bd4f5aede8bc468ac Mon Sep 17 00:00:00 2001 +From: Ilya Lipnitskiy +Date: Sat, 27 Feb 2021 20:20:07 -0800 +Subject: [PATCH] Revert "net: phy: simplify phy_link_change arguments" + +This reverts commit a307593a644443db12888f45eed0dafb5869e2cc. + +This brings back the do_carrier flags used by the (hacky) next patch, +still required by target/linux/ramips/files/drivers/net/ethernet/ralink/mdio.c +--- + drivers/net/phy/phy.c | 12 ++++++------ + drivers/net/phy/phy_device.c | 12 +++++++----- + drivers/net/phy/phylink.c | 3 ++- + include/linux/phy.h | 2 +- + 4 files changed, 16 insertions(+), 13 deletions(-) + +--- a/drivers/net/phy/phy.c ++++ b/drivers/net/phy/phy.c +@@ -71,13 +71,13 @@ static void phy_process_state_change(str + + static void phy_link_up(struct phy_device *phydev) + { +- phydev->phy_link_change(phydev, true); ++ phydev->phy_link_change(phydev, true, true); + phy_led_trigger_change_speed(phydev); + } + +-static void phy_link_down(struct phy_device *phydev) ++static void phy_link_down(struct phy_device *phydev, bool do_carrier) + { +- phydev->phy_link_change(phydev, false); ++ phydev->phy_link_change(phydev, false, do_carrier); + phy_led_trigger_change_speed(phydev); + } + +@@ -595,7 +595,7 @@ int phy_start_cable_test(struct phy_devi + goto out; + + /* Mark the carrier down until the test is complete */ +- phy_link_down(phydev); ++ phy_link_down(phydev, true); + + netif_testing_on(dev); + err = phydev->drv->cable_test_start(phydev); +@@ -666,7 +666,7 @@ int phy_start_cable_test_tdr(struct phy_ + goto out; + + /* Mark the carrier down until the test is complete */ +- phy_link_down(phydev); ++ phy_link_down(phydev, true); + + netif_testing_on(dev); + err = phydev->drv->cable_test_tdr_start(phydev, config); +@@ -738,7 +738,7 @@ static int phy_check_link_status(struct + phy_link_up(phydev); + } else if (!phydev->link && phydev->state != PHY_NOLINK) { + phydev->state = PHY_NOLINK; +- phy_link_down(phydev); ++ phy_link_down(phydev, true); + } + + return 0; +@@ -1224,7 +1224,7 @@ void phy_state_machine(struct work_struc + case PHY_HALTED: + if (phydev->link) { + phydev->link = 0; +- phy_link_down(phydev); ++ phy_link_down(phydev, true); + } + do_suspend = true; + break; +--- a/drivers/net/phy/phy_device.c ++++ b/drivers/net/phy/phy_device.c +@@ -1037,14 +1037,16 @@ struct phy_device *phy_find_first(struct + } + EXPORT_SYMBOL(phy_find_first); + +-static void phy_link_change(struct phy_device *phydev, bool up) ++static void phy_link_change(struct phy_device *phydev, bool up, bool do_carrier) + { + struct net_device *netdev = phydev->attached_dev; + +- if (up) +- netif_carrier_on(netdev); +- else +- netif_carrier_off(netdev); ++ if (do_carrier) { ++ if (up) ++ netif_carrier_on(netdev); ++ else ++ netif_carrier_off(netdev); ++ } + phydev->adjust_link(netdev); + if (phydev->mii_ts && phydev->mii_ts->link_state) + phydev->mii_ts->link_state(phydev->mii_ts, phydev); +--- a/drivers/net/phy/phylink.c ++++ b/drivers/net/phy/phylink.c +@@ -1687,7 +1687,8 @@ bool phylink_expects_phy(struct phylink + } + EXPORT_SYMBOL_GPL(phylink_expects_phy); + +-static void phylink_phy_change(struct phy_device *phydev, bool up) ++static void phylink_phy_change(struct phy_device *phydev, bool up, ++ bool do_carrier) + { + struct phylink *pl = phydev->phylink; + bool tx_pause, rx_pause; +--- a/include/linux/phy.h ++++ b/include/linux/phy.h +@@ -739,7 +739,7 @@ struct phy_device { + + int pma_extable; + +- void (*phy_link_change)(struct phy_device *phydev, bool up); ++ void (*phy_link_change)(struct phy_device *, bool up, bool do_carrier); + void (*adjust_link)(struct net_device *dev); + + #if IS_ENABLED(CONFIG_MACSEC) diff --git a/target/linux/ramips/patches-6.1/721-NET-no-auto-carrier-off-support.patch b/target/linux/ramips/patches-6.1/721-NET-no-auto-carrier-off-support.patch new file mode 100644 index 0000000000..2594c66048 --- /dev/null +++ b/target/linux/ramips/patches-6.1/721-NET-no-auto-carrier-off-support.patch @@ -0,0 +1,47 @@ +From 0b6eb1e68290243d439ee330ea8d0b239a5aec69 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 27 Jul 2014 09:38:50 +0100 +Subject: [PATCH 34/53] NET: multi phy support + +Signed-off-by: John Crispin +--- + drivers/net/phy/phy.c | 9 ++++++--- + include/linux/phy.h | 1 + + 2 files changed, 7 insertions(+), 3 deletions(-) + +--- a/drivers/net/phy/phy.c ++++ b/drivers/net/phy/phy.c +@@ -738,7 +738,10 @@ static int phy_check_link_status(struct + phy_link_up(phydev); + } else if (!phydev->link && phydev->state != PHY_NOLINK) { + phydev->state = PHY_NOLINK; +- phy_link_down(phydev, true); ++ if (!phydev->no_auto_carrier_off) ++ phy_link_down(phydev, true); ++ else ++ phy_link_down(phydev, false); + } + + return 0; +@@ -1224,7 +1227,10 @@ void phy_state_machine(struct work_struc + case PHY_HALTED: + if (phydev->link) { + phydev->link = 0; +- phy_link_down(phydev, true); ++ if (!phydev->no_auto_carrier_off) ++ phy_link_down(phydev, true); ++ else ++ phy_link_down(phydev, false); + } + do_suspend = true; + break; +--- a/include/linux/phy.h ++++ b/include/linux/phy.h +@@ -647,6 +647,7 @@ struct phy_device { + unsigned downshifted_rate:1; + unsigned is_on_sfp_module:1; + unsigned mac_managed_pm:1; ++ unsigned no_auto_carrier_off:1; + + unsigned autoneg:1; + /* The most recently read link state */ diff --git a/target/linux/ramips/patches-6.1/800-dmaengine-mediatek-add-HSDMA-support-for-mt7621.patch b/target/linux/ramips/patches-6.1/800-dmaengine-mediatek-add-HSDMA-support-for-mt7621.patch new file mode 100644 index 0000000000..a793011223 --- /dev/null +++ b/target/linux/ramips/patches-6.1/800-dmaengine-mediatek-add-HSDMA-support-for-mt7621.patch @@ -0,0 +1,37 @@ +From d94fc5ce1dc395747c3934ecffcdec0396583755 Mon Sep 17 00:00:00 2001 +From: Nick Hainke +Date: Fri, 26 May 2023 19:46:33 +0200 +Subject: [PATCH] dmaengine: mediatek: add HSDMA support for mt7621 + +Commit 87dd67f496f7 ("staging: mt7621-dma: remove driver from tree") +removed the mt7621-dma driver. Move the driver from staging to the +folder "drivers/dma/mediatek" containing already other mediatek dma +driver implementations and maintain it downstream in OpenWrt. + +This patch will not be sent to upstream linux. It is just a workaround. + +Signed-off-by: Nick Hainke +--- + drivers/dma/mediatek/Kconfig | 6 ++++++ + drivers/dma/mediatek/Makefile | 1 + + 2 files changed, 7 insertions(+) + +--- a/drivers/dma/mediatek/Kconfig ++++ b/drivers/dma/mediatek/Kconfig +@@ -36,3 +36,9 @@ config MTK_UART_APDMA + When SERIAL_8250_MT6577 is enabled, and if you want to use DMA, + you can enable the config. The DMA engine can only be used + with MediaTek SoCs. ++ ++config MTK_HSDMA ++ tristate "MTK HSDMA support" ++ depends on RALINK && SOC_MT7621 ++ select DMA_ENGINE ++ select DMA_VIRTUAL_CHANNELS +--- a/drivers/dma/mediatek/Makefile ++++ b/drivers/dma/mediatek/Makefile +@@ -2,3 +2,4 @@ + obj-$(CONFIG_MTK_UART_APDMA) += mtk-uart-apdma.o + obj-$(CONFIG_MTK_HSDMA) += mtk-hsdma.o + obj-$(CONFIG_MTK_CQDMA) += mtk-cqdma.o ++obj-$(CONFIG_MTK_HSDMA) += hsdma-mt7621.o diff --git a/target/linux/ramips/patches-6.1/801-DT-Add-documentation-for-gpio-ralink.patch b/target/linux/ramips/patches-6.1/801-DT-Add-documentation-for-gpio-ralink.patch new file mode 100644 index 0000000000..93dabf8776 --- /dev/null +++ b/target/linux/ramips/patches-6.1/801-DT-Add-documentation-for-gpio-ralink.patch @@ -0,0 +1,59 @@ +From d410e5478c622c01fcf31427533df5f433df9146 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 28 Jul 2013 19:45:30 +0200 +Subject: [PATCH 26/53] DT: Add documentation for gpio-ralink + +Describe gpio-ralink binding. + +Signed-off-by: John Crispin +Cc: linux-mips@linux-mips.org +Cc: devicetree@vger.kernel.org +Cc: linux-gpio@vger.kernel.org +--- + .../devicetree/bindings/gpio/gpio-ralink.txt | 40 ++++++++++++++++++++ + 1 file changed, 40 insertions(+) + create mode 100644 Documentation/devicetree/bindings/gpio/gpio-ralink.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt +@@ -0,0 +1,40 @@ ++Ralink SoC GPIO controller bindings ++ ++Required properties: ++- compatible: ++ - "ralink,rt2880-gpio" for Ralink controllers ++- #gpio-cells : Should be two. ++ - first cell is the pin number ++ - second cell is used to specify optional parameters (unused) ++- gpio-controller : Marks the device node as a GPIO controller ++- reg : Physical base address and length of the controller's registers ++- interrupt-parent: phandle to the INTC device node ++- interrupts : Specify the INTC interrupt number ++- ngpios : Specify the number of GPIOs ++- ralink,register-map : The register layout depends on the GPIO bank and actual ++ SoC type. Register offsets need to be in this order. ++ [ INT, EDGE, RENA, FENA, DATA, DIR, POL, SET, RESET, TOGGLE ] ++ ++Optional properties: ++- ralink,gpio-base : Specify the GPIO chips base number ++ ++Example: ++ ++ gpio0: gpio@600 { ++ compatible = "ralink,rt5350-gpio", "ralink,rt2880-gpio"; ++ ++ #gpio-cells = <2>; ++ gpio-controller; ++ ++ reg = <0x600 0x34>; ++ ++ interrupt-parent = <&intc>; ++ interrupts = <6>; ++ ++ ngpios = <24>; ++ ralink,gpio-base = <0>; ++ ralink,register-map = [ 00 04 08 0c ++ 20 24 28 2c ++ 30 34 ]; ++ ++ }; diff --git a/target/linux/ramips/patches-6.1/802-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch b/target/linux/ramips/patches-6.1/802-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch new file mode 100644 index 0000000000..ff60b33cd4 --- /dev/null +++ b/target/linux/ramips/patches-6.1/802-GPIO-MIPS-ralink-add-gpio-driver-for-ralink-SoC.patch @@ -0,0 +1,416 @@ +From 69fdd2c4f937796b934e89c33acde9d082e27bfd Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Mon, 4 Aug 2014 20:36:29 +0200 +Subject: [PATCH 27/53] GPIO: MIPS: ralink: add gpio driver for ralink SoC + +Add gpio driver for Ralink SoC. This driver makes the gpio core on +RT2880, RT305x, rt3352, rt3662, rt3883, rt5350 and mt7620 work. + +Signed-off-by: John Crispin +Cc: linux-mips@linux-mips.org +Cc: linux-gpio@vger.kernel.org +--- + arch/mips/include/asm/mach-ralink/gpio.h | 24 ++ + drivers/gpio/Kconfig | 6 + + drivers/gpio/Makefile | 1 + + drivers/gpio/gpio-ralink.c | 355 ++++++++++++++++++++++++++++++ + 4 files changed, 386 insertions(+) + create mode 100644 arch/mips/include/asm/mach-ralink/gpio.h + create mode 100644 drivers/gpio/gpio-ralink.c + +--- /dev/null ++++ b/arch/mips/include/asm/mach-ralink/gpio.h +@@ -0,0 +1,24 @@ ++/* ++ * Ralink SoC GPIO API support ++ * ++ * Copyright (C) 2008-2009 Gabor Juhos ++ * Copyright (C) 2008 Imre Kaloz ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ */ ++ ++#ifndef __ASM_MACH_RALINK_GPIO_H ++#define __ASM_MACH_RALINK_GPIO_H ++ ++#define ARCH_NR_GPIOS 128 ++#include ++ ++#define gpio_get_value __gpio_get_value ++#define gpio_set_value __gpio_set_value ++#define gpio_cansleep __gpio_cansleep ++#define gpio_to_irq __gpio_to_irq ++ ++#endif /* __ASM_MACH_RALINK_GPIO_H */ +--- a/drivers/gpio/Kconfig ++++ b/drivers/gpio/Kconfig +@@ -585,6 +585,12 @@ config GPIO_SNPS_CREG + where only several fields in register belong to GPIO lines and + each GPIO line owns a field with different length and on/off value. + ++config GPIO_RALINK ++ bool "Ralink GPIO Support" ++ depends on RALINK ++ help ++ Say yes here to support the Ralink SoC GPIO device ++ + config GPIO_SPEAR_SPICS + bool "ST SPEAr13xx SPI Chip Select as GPIO support" + depends on PLAT_SPEAR +--- a/drivers/gpio/Makefile ++++ b/drivers/gpio/Makefile +@@ -122,6 +122,7 @@ obj-$(CONFIG_GPIO_PISOSR) += gpio-pisos + obj-$(CONFIG_GPIO_PL061) += gpio-pl061.o + obj-$(CONFIG_GPIO_PMIC_EIC_SPRD) += gpio-pmic-eic-sprd.o + obj-$(CONFIG_GPIO_PXA) += gpio-pxa.o ++obj-$(CONFIG_GPIO_RALINK) += gpio-ralink.o + obj-$(CONFIG_GPIO_RASPBERRYPI_EXP) += gpio-raspberrypi-exp.o + obj-$(CONFIG_GPIO_RC5T583) += gpio-rc5t583.o + obj-$(CONFIG_GPIO_RCAR) += gpio-rcar.o +--- /dev/null ++++ b/drivers/gpio/gpio-ralink.c +@@ -0,0 +1,341 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published ++ * by the Free Software Foundation. ++ * ++ * Copyright (C) 2009-2011 Gabor Juhos ++ * Copyright (C) 2013 John Crispin ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++enum ralink_gpio_reg { ++ GPIO_REG_INT = 0, ++ GPIO_REG_EDGE, ++ GPIO_REG_RENA, ++ GPIO_REG_FENA, ++ GPIO_REG_DATA, ++ GPIO_REG_DIR, ++ GPIO_REG_POL, ++ GPIO_REG_SET, ++ GPIO_REG_RESET, ++ GPIO_REG_TOGGLE, ++ GPIO_REG_MAX ++}; ++ ++struct ralink_gpio_chip { ++ struct gpio_chip chip; ++ u8 regs[GPIO_REG_MAX]; ++ ++ spinlock_t lock; ++ void __iomem *membase; ++ struct irq_domain *domain; ++ int irq; ++ ++ u32 rising; ++ u32 falling; ++}; ++ ++#define MAP_MAX 4 ++static struct irq_domain *irq_map[MAP_MAX]; ++static int irq_map_count; ++static atomic_t irq_refcount = ATOMIC_INIT(0); ++ ++static inline struct ralink_gpio_chip *to_ralink_gpio(struct gpio_chip *chip) ++{ ++ struct ralink_gpio_chip *rg; ++ ++ rg = container_of(chip, struct ralink_gpio_chip, chip); ++ ++ return rg; ++} ++ ++static inline void rt_gpio_w32(struct ralink_gpio_chip *rg, u8 reg, u32 val) ++{ ++ iowrite32(val, rg->membase + rg->regs[reg]); ++} ++ ++static inline u32 rt_gpio_r32(struct ralink_gpio_chip *rg, u8 reg) ++{ ++ return ioread32(rg->membase + rg->regs[reg]); ++} ++ ++static void ralink_gpio_set(struct gpio_chip *chip, unsigned offset, int value) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ ++ rt_gpio_w32(rg, (value) ? GPIO_REG_SET : GPIO_REG_RESET, BIT(offset)); ++} ++ ++static int ralink_gpio_get(struct gpio_chip *chip, unsigned offset) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ ++ return !!(rt_gpio_r32(rg, GPIO_REG_DATA) & BIT(offset)); ++} ++ ++static int ralink_gpio_direction_input(struct gpio_chip *chip, unsigned offset) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ unsigned long flags; ++ u32 t; ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ t = rt_gpio_r32(rg, GPIO_REG_DIR); ++ t &= ~BIT(offset); ++ rt_gpio_w32(rg, GPIO_REG_DIR, t); ++ spin_unlock_irqrestore(&rg->lock, flags); ++ ++ return 0; ++} ++ ++static int ralink_gpio_direction_output(struct gpio_chip *chip, ++ unsigned offset, int value) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ unsigned long flags; ++ u32 t; ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ ralink_gpio_set(chip, offset, value); ++ t = rt_gpio_r32(rg, GPIO_REG_DIR); ++ t |= BIT(offset); ++ rt_gpio_w32(rg, GPIO_REG_DIR, t); ++ spin_unlock_irqrestore(&rg->lock, flags); ++ ++ return 0; ++} ++ ++static int ralink_gpio_to_irq(struct gpio_chip *chip, unsigned pin) ++{ ++ struct ralink_gpio_chip *rg = to_ralink_gpio(chip); ++ ++ if (rg->irq < 1) ++ return -1; ++ ++ return irq_create_mapping(rg->domain, pin); ++} ++ ++static void ralink_gpio_irq_handler(struct irq_desc *desc) ++{ ++ int i; ++ ++ for (i = 0; i < irq_map_count; i++) { ++ struct irq_domain *domain = irq_map[i]; ++ struct ralink_gpio_chip *rg; ++ unsigned long pending; ++ int bit; ++ ++ rg = (struct ralink_gpio_chip *) domain->host_data; ++ pending = rt_gpio_r32(rg, GPIO_REG_INT); ++ ++ for_each_set_bit(bit, &pending, rg->chip.ngpio) { ++ u32 map = irq_find_mapping(domain, bit); ++ generic_handle_irq(map); ++ rt_gpio_w32(rg, GPIO_REG_INT, BIT(bit)); ++ } ++ } ++} ++ ++static void ralink_gpio_irq_unmask(struct irq_data *d) ++{ ++ struct ralink_gpio_chip *rg; ++ unsigned long flags; ++ u32 rise, fall; ++ ++ rg = (struct ralink_gpio_chip *) d->domain->host_data; ++ rise = rt_gpio_r32(rg, GPIO_REG_RENA); ++ fall = rt_gpio_r32(rg, GPIO_REG_FENA); ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ rt_gpio_w32(rg, GPIO_REG_RENA, rise | (BIT(d->hwirq) & rg->rising)); ++ rt_gpio_w32(rg, GPIO_REG_FENA, fall | (BIT(d->hwirq) & rg->falling)); ++ spin_unlock_irqrestore(&rg->lock, flags); ++} ++ ++static void ralink_gpio_irq_mask(struct irq_data *d) ++{ ++ struct ralink_gpio_chip *rg; ++ unsigned long flags; ++ u32 rise, fall; ++ ++ rg = (struct ralink_gpio_chip *) d->domain->host_data; ++ rise = rt_gpio_r32(rg, GPIO_REG_RENA); ++ fall = rt_gpio_r32(rg, GPIO_REG_FENA); ++ ++ spin_lock_irqsave(&rg->lock, flags); ++ rt_gpio_w32(rg, GPIO_REG_FENA, fall & ~BIT(d->hwirq)); ++ rt_gpio_w32(rg, GPIO_REG_RENA, rise & ~BIT(d->hwirq)); ++ spin_unlock_irqrestore(&rg->lock, flags); ++} ++ ++static int ralink_gpio_irq_type(struct irq_data *d, unsigned int type) ++{ ++ struct ralink_gpio_chip *rg; ++ u32 mask = BIT(d->hwirq); ++ ++ rg = (struct ralink_gpio_chip *) d->domain->host_data; ++ ++ if (type == IRQ_TYPE_PROBE) { ++ if ((rg->rising | rg->falling) & mask) ++ return 0; ++ ++ type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING; ++ } ++ ++ if (type & IRQ_TYPE_EDGE_RISING) ++ rg->rising |= mask; ++ else ++ rg->rising &= ~mask; ++ ++ if (type & IRQ_TYPE_EDGE_FALLING) ++ rg->falling |= mask; ++ else ++ rg->falling &= ~mask; ++ ++ return 0; ++} ++ ++static struct irq_chip ralink_gpio_irq_chip = { ++ .name = "GPIO", ++ .irq_unmask = ralink_gpio_irq_unmask, ++ .irq_mask = ralink_gpio_irq_mask, ++ .irq_mask_ack = ralink_gpio_irq_mask, ++ .irq_set_type = ralink_gpio_irq_type, ++}; ++ ++static int gpio_map(struct irq_domain *d, unsigned int irq, irq_hw_number_t hw) ++{ ++ irq_set_chip_and_handler(irq, &ralink_gpio_irq_chip, handle_level_irq); ++ irq_set_handler_data(irq, d); ++ ++ return 0; ++} ++ ++static const struct irq_domain_ops irq_domain_ops = { ++ .xlate = irq_domain_xlate_onecell, ++ .map = gpio_map, ++}; ++ ++static void ralink_gpio_irq_init(struct device_node *np, ++ struct ralink_gpio_chip *rg) ++{ ++ if (irq_map_count >= MAP_MAX) ++ return; ++ ++ rg->irq = irq_of_parse_and_map(np, 0); ++ if (!rg->irq) ++ return; ++ ++ rg->domain = irq_domain_add_linear(np, rg->chip.ngpio, ++ &irq_domain_ops, rg); ++ if (!rg->domain) { ++ dev_err(rg->chip.parent, "irq_domain_add_linear failed\n"); ++ return; ++ } ++ ++ irq_map[irq_map_count++] = rg->domain; ++ ++ rt_gpio_w32(rg, GPIO_REG_RENA, 0x0); ++ rt_gpio_w32(rg, GPIO_REG_FENA, 0x0); ++ ++ if (!atomic_read(&irq_refcount)) ++ irq_set_chained_handler(rg->irq, ralink_gpio_irq_handler); ++ atomic_inc(&irq_refcount); ++ ++ dev_info(rg->chip.parent, "registering %d irq handlers\n", rg->chip.ngpio); ++} ++ ++static int ralink_gpio_probe(struct platform_device *pdev) ++{ ++ struct device_node *np = pdev->dev.of_node; ++ struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ struct ralink_gpio_chip *rg; ++ const __be32 *ngpio, *gpiobase; ++ ++ if (!res) { ++ dev_err(&pdev->dev, "failed to find resource\n"); ++ return -ENOMEM; ++ } ++ ++ rg = devm_kzalloc(&pdev->dev, ++ sizeof(struct ralink_gpio_chip), GFP_KERNEL); ++ if (!rg) ++ return -ENOMEM; ++ ++ rg->membase = devm_ioremap_resource(&pdev->dev, res); ++ if (!rg->membase) { ++ dev_err(&pdev->dev, "cannot remap I/O memory region\n"); ++ return -ENOMEM; ++ } ++ ++ if (of_property_read_u8_array(np, "ralink,register-map", ++ rg->regs, GPIO_REG_MAX)) { ++ dev_err(&pdev->dev, "failed to read register definition\n"); ++ return -EINVAL; ++ } ++ ++ ngpio = of_get_property(np, "ngpios", NULL); ++ if (!ngpio) { ++ dev_err(&pdev->dev, "failed to read number of pins\n"); ++ return -EINVAL; ++ } ++ ++ gpiobase = of_get_property(np, "ralink,gpio-base", NULL); ++ if (gpiobase) ++ rg->chip.base = be32_to_cpu(*gpiobase); ++ else ++ rg->chip.base = -1; ++ ++ spin_lock_init(&rg->lock); ++ ++ rg->chip.parent = &pdev->dev; ++ rg->chip.label = dev_name(&pdev->dev); ++ rg->chip.of_node = np; ++ rg->chip.ngpio = be32_to_cpu(*ngpio); ++ rg->chip.direction_input = ralink_gpio_direction_input; ++ rg->chip.direction_output = ralink_gpio_direction_output; ++ rg->chip.get = ralink_gpio_get; ++ rg->chip.set = ralink_gpio_set; ++ rg->chip.request = gpiochip_generic_request; ++ rg->chip.to_irq = ralink_gpio_to_irq; ++ rg->chip.free = gpiochip_generic_free; ++ ++ /* set polarity to low for all lines */ ++ rt_gpio_w32(rg, GPIO_REG_POL, 0); ++ ++ dev_info(&pdev->dev, "registering %d gpios\n", rg->chip.ngpio); ++ ++ ralink_gpio_irq_init(np, rg); ++ ++ return gpiochip_add(&rg->chip); ++} ++ ++static const struct of_device_id ralink_gpio_match[] = { ++ { .compatible = "ralink,rt2880-gpio" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, ralink_gpio_match); ++ ++static struct platform_driver ralink_gpio_driver = { ++ .probe = ralink_gpio_probe, ++ .driver = { ++ .name = "rt2880_gpio", ++ .owner = THIS_MODULE, ++ .of_match_table = ralink_gpio_match, ++ }, ++}; ++ ++static int __init ralink_gpio_init(void) ++{ ++ return platform_driver_register(&ralink_gpio_driver); ++} ++ ++subsys_initcall(ralink_gpio_init); diff --git a/target/linux/ramips/patches-6.1/803-gpio-ralink-Add-support-for-GPIO-as-interrupt-contro.patch b/target/linux/ramips/patches-6.1/803-gpio-ralink-Add-support-for-GPIO-as-interrupt-contro.patch new file mode 100644 index 0000000000..8520ce32ff --- /dev/null +++ b/target/linux/ramips/patches-6.1/803-gpio-ralink-Add-support-for-GPIO-as-interrupt-contro.patch @@ -0,0 +1,44 @@ +From 57fa7f2f4ef6f78ce1d30509c0d111aa3791b524 Mon Sep 17 00:00:00 2001 +From: Daniel Santos +Date: Sun, 4 Nov 2018 20:24:32 -0600 +Subject: gpio-ralink: Add support for GPIO as interrupt-controller + +Signed-off-by: Daniel Santos +--- + Documentation/devicetree/bindings/gpio/gpio-ralink.txt | 6 ++++++ + drivers/gpio/gpio-ralink.c | 2 +- + 2 files changed, 7 insertions(+), 1 deletion(-) + +--- a/Documentation/devicetree/bindings/gpio/gpio-ralink.txt ++++ b/Documentation/devicetree/bindings/gpio/gpio-ralink.txt +@@ -17,6 +17,9 @@ Required properties: + + Optional properties: + - ralink,gpio-base : Specify the GPIO chips base number ++- interrupt-controller : marks this as an interrupt controller ++- #interrupt-cells : a standard two-cell interrupt flag, see ++ interrupt-controller/interrupts.txt + + Example: + +@@ -28,6 +31,9 @@ Example: + + reg = <0x600 0x34>; + ++ interrupt-controller; ++ #interrupt-cells = <2>; ++ + interrupt-parent = <&intc>; + interrupts = <6>; + +--- a/drivers/gpio/gpio-ralink.c ++++ b/drivers/gpio/gpio-ralink.c +@@ -220,7 +220,7 @@ static int gpio_map(struct irq_domain *d + } + + static const struct irq_domain_ops irq_domain_ops = { +- .xlate = irq_domain_xlate_onecell, ++ .xlate = irq_domain_xlate_twocell, + .map = gpio_map, + }; + diff --git a/target/linux/ramips/patches-6.1/805-pinctrl-AW9523.patch b/target/linux/ramips/patches-6.1/805-pinctrl-AW9523.patch new file mode 100644 index 0000000000..f9fa791fe1 --- /dev/null +++ b/target/linux/ramips/patches-6.1/805-pinctrl-AW9523.patch @@ -0,0 +1,72 @@ +From: AngeloGioacchino Del Regno + +To: linus.walleij@linaro.org +Cc: linux-kernel@vger.kernel.org, konrad.dybcio@somainline.org, + marijn.suijten@somainline.org, martin.botka@somainline.org, + phone-devel@vger.kernel.org, linux-gpio@vger.kernel.org, + devicetree@vger.kernel.org, robh+dt@kernel.org, + AngeloGioacchino Del Regno + +Subject: [PATCH v5 1/2] pinctrl: Add driver for Awinic AW9523/B I2C GPIO + Expander +Date: Mon, 25 Jan 2021 19:22:18 +0100 + +The Awinic AW9523(B) is a multi-function I2C gpio expander in a +TQFN-24L package, featuring PWM (max 37mA per pin, or total max +power 3.2Watts) for LED driving capability. + +It has two ports with 8 pins per port (for a total of 16 pins), +configurable as either PWM with 1/256 stepping or GPIO input/output, +1.8V logic input; each GPIO can be configured as input or output +independently from each other. + +This IC also has an internal interrupt controller, which is capable +of generating an interrupt for each GPIO, depending on the +configuration, and will raise an interrupt on the INTN pin to +advertise this to an external interrupt controller. + +Signed-off-by: AngeloGioacchino Del Regno +--- + drivers/pinctrl/Kconfig | 17 + + drivers/pinctrl/Makefile | 1 + + drivers/pinctrl/pinctrl-aw9523.c | 1122 ++++++++++++++++++++++++++++++ + 3 files changed, 1140 insertions(+) + create mode 100644 drivers/pinctrl/pinctrl-aw9523.c + +--- a/drivers/pinctrl/Kconfig ++++ b/drivers/pinctrl/Kconfig +@@ -113,6 +113,24 @@ config PINCTRL_AT91PIO4 + Say Y here to enable the at91 pinctrl/gpio driver for Atmel PIO4 + controller available on sama5d2 SoC. + ++config PINCTRL_AW9523 ++ bool "Awinic AW9523/AW9523B I2C GPIO expander pinctrl driver" ++ depends on OF && I2C ++ select PINMUX ++ select PINCONF ++ select GENERIC_PINCONF ++ select GPIOLIB ++ select GPIOLIB_IRQCHIP ++ select REGMAP ++ select REGMAP_I2C ++ help ++ The Awinic AW9523/AW9523B is a multi-function I2C GPIO ++ expander with PWM functionality. This driver bundles a ++ pinctrl driver to select the function muxing and a GPIO ++ driver to handle GPIO, when the GPIO function is selected. ++ ++ Say yes to enable pinctrl and GPIO support for the AW9523(B). ++ + config PINCTRL_AXP209 + tristate "X-Powers AXP209 PMIC pinctrl and GPIO Support" + depends on MFD_AXP20X +--- a/drivers/pinctrl/Makefile ++++ b/drivers/pinctrl/Makefile +@@ -15,6 +15,7 @@ obj-$(CONFIG_PINCTRL_ARTPEC6) += pinctrl + obj-$(CONFIG_PINCTRL_AS3722) += pinctrl-as3722.o + obj-$(CONFIG_PINCTRL_AT91) += pinctrl-at91.o + obj-$(CONFIG_PINCTRL_AT91PIO4) += pinctrl-at91-pio4.o ++obj-$(CONFIG_PINCTRL_AW9523) += pinctrl-aw9523.o + obj-$(CONFIG_PINCTRL_AXP209) += pinctrl-axp209.o + obj-$(CONFIG_PINCTRL_BM1880) += pinctrl-bm1880.o + obj-$(CONFIG_PINCTRL_CY8C95X0) += pinctrl-cy8c95x0.o diff --git a/target/linux/ramips/patches-6.1/808-pinctrl-mtmips-support-requesting-different-function.patch b/target/linux/ramips/patches-6.1/808-pinctrl-mtmips-support-requesting-different-function.patch new file mode 100644 index 0000000000..047808f1e6 --- /dev/null +++ b/target/linux/ramips/patches-6.1/808-pinctrl-mtmips-support-requesting-different-function.patch @@ -0,0 +1,45 @@ +From: Shiji Yang +Date: Wed, 26 Jul 2023 01:32:55 +0800 +Subject: [PATCH] pinctrl: mtmips: support requesting different functions for + same group + +Sometimes pinctrl consumers may request different functions for the +same pin group in different situations. This patch can help to reset +the group function flag when requesting a different function. + +Signed-off-by: Shiji Yang +--- + drivers/pinctrl/ralink/pinctrl-ralink.c | 21 +++++++++++++++++---- + 1 file changed, 17 insertions(+), 4 deletions(-) + +--- a/drivers/pinctrl/ralink/pinctrl-ralink.c ++++ b/drivers/pinctrl/ralink/pinctrl-ralink.c +@@ -123,11 +123,24 @@ static int ralink_pmx_group_enable(struc + int i; + int shift; + +- /* dont allow double use */ ++ /* ++ * for the same pin group, if request a different function, ++ * then clear the group function flag and continue, else exit. ++ */ + if (p->groups[group].enabled) { +- dev_err(p->dev, "%s is already enabled\n", +- p->groups[group].name); +- return 0; ++ for (i = 0; i < p->groups[group].func_count; i++) { ++ if (p->groups[group].func[i].enabled == 1) { ++ if (!strcmp(p->func[func]->name, ++ p->groups[group].func[i].name)) ++ return 0; ++ p->groups[group].func[i].enabled = 0; ++ break; ++ } ++ } ++ ++ /* exit if request the "gpio" function again */ ++ if (i == p->groups[group].func_count && func == 0) ++ return 0; + } + + p->groups[group].enabled = 1; diff --git a/target/linux/ramips/patches-6.1/810-uvc-add-iPassion-iP2970-support.patch b/target/linux/ramips/patches-6.1/810-uvc-add-iPassion-iP2970-support.patch new file mode 100644 index 0000000000..d48b668484 --- /dev/null +++ b/target/linux/ramips/patches-6.1/810-uvc-add-iPassion-iP2970-support.patch @@ -0,0 +1,244 @@ +From 975e76214cd2516eb6cfff4c3eec581872645e88 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Thu, 19 Sep 2013 01:50:59 +0200 +Subject: [PATCH 31/53] uvc: add iPassion iP2970 support + +Signed-off-by: John Crispin +--- + drivers/media/usb/uvc/uvc_driver.c | 12 +++ + drivers/media/usb/uvc/uvc_status.c | 2 + + drivers/media/usb/uvc/uvc_video.c | 147 ++++++++++++++++++++++++++++++++++++ + drivers/media/usb/uvc/uvcvideo.h | 5 +- + 4 files changed, 165 insertions(+), 1 deletion(-) + +--- a/drivers/media/usb/uvc/uvc_driver.c ++++ b/drivers/media/usb/uvc/uvc_driver.c +@@ -2981,6 +2981,18 @@ static const struct usb_device_id uvc_id + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = UVC_INFO_META(V4L2_META_FMT_D4XX) }, ++ /* iPassion iP2970 */ ++ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE ++ | USB_DEVICE_ID_MATCH_INT_INFO, ++ .idVendor = 0x1B3B, ++ .idProduct = 0x2970, ++ .bInterfaceClass = USB_CLASS_VIDEO, ++ .bInterfaceSubClass = 1, ++ .bInterfaceProtocol = 0, ++ .driver_info = UVC_QUIRK_PROBE_MINMAX ++ | UVC_QUIRK_STREAM_NO_FID ++ | UVC_QUIRK_MOTION ++ | UVC_QUIRK_SINGLE_ISO }, + /* Generic USB Video Class */ + { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_UNDEFINED) }, + { USB_INTERFACE_INFO(USB_CLASS_VIDEO, 1, UVC_PC_PROTOCOL_15) }, +--- a/drivers/media/usb/uvc/uvc_status.c ++++ b/drivers/media/usb/uvc/uvc_status.c +@@ -223,6 +223,7 @@ static void uvc_status_complete(struct u + if (uvc_event_control(urb, status, len)) + /* The URB will be resubmitted in work context. */ + return; ++ dev->motion = 1; + break; + } + +@@ -271,6 +272,7 @@ int uvc_status_init(struct uvc_device *d + } + + pipe = usb_rcvintpipe(dev->udev, ep->desc.bEndpointAddress); ++ dev->motion = 0; + + /* + * For high-speed interrupt endpoints, the bInterval value is used as +--- a/drivers/media/usb/uvc/uvc_video.c ++++ b/drivers/media/usb/uvc/uvc_video.c +@@ -19,6 +19,11 @@ + #include + #include + #include ++#include ++#include ++#include ++#include ++#include + + #include + +@@ -1231,9 +1236,149 @@ static void uvc_video_decode_data(struct + uvc_urb->async_operations++; + } + ++struct bh_priv { ++ unsigned long seen; ++}; ++ ++struct bh_event { ++ const char *name; ++ struct sk_buff *skb; ++ struct work_struct work; ++}; ++ ++#define BH_ERR(fmt, args...) printk(KERN_ERR "%s: " fmt, "webcam", ##args ) ++#define BH_DBG(fmt, args...) do {} while (0) ++#define BH_SKB_SIZE 2048 ++ ++extern u64 uevent_next_seqnum(void); ++static int seen = 0; ++ ++static int bh_event_add_var(struct bh_event *event, int argv, ++ const char *format, ...) ++{ ++ static char buf[128]; ++ char *s; ++ va_list args; ++ int len; ++ ++ if (argv) ++ return 0; ++ ++ va_start(args, format); ++ len = vsnprintf(buf, sizeof(buf), format, args); ++ va_end(args); ++ ++ if (len >= sizeof(buf)) { ++ BH_ERR("buffer size too small\n"); ++ WARN_ON(1); ++ return -ENOMEM; ++ } ++ ++ s = skb_put(event->skb, len + 1); ++ strcpy(s, buf); ++ ++ BH_DBG("added variable '%s'\n", s); ++ ++ return 0; ++} ++ ++static int motion_hotplug_fill_event(struct bh_event *event) ++{ ++ int s = jiffies; ++ int ret; ++ ++ if (!seen) ++ seen = jiffies; ++ ++ ret = bh_event_add_var(event, 0, "HOME=%s", "/"); ++ if (ret) ++ return ret; ++ ++ ret = bh_event_add_var(event, 0, "PATH=%s", ++ "/sbin:/bin:/usr/sbin:/usr/bin"); ++ if (ret) ++ return ret; ++ ++ ret = bh_event_add_var(event, 0, "SUBSYSTEM=usb"); ++ if (ret) ++ return ret; ++ ++ ret = bh_event_add_var(event, 0, "ACTION=motion"); ++ if (ret) ++ return ret; ++ ++ ret = bh_event_add_var(event, 0, "SEEN=%d", s - seen); ++ if (ret) ++ return ret; ++ seen = s; ++ ++ ret = bh_event_add_var(event, 0, "SEQNUM=%llu", uevent_next_seqnum()); ++ ++ return ret; ++} ++ ++static void motion_hotplug_work(struct work_struct *work) ++{ ++ struct bh_event *event = container_of(work, struct bh_event, work); ++ int ret = 0; ++ ++ event->skb = alloc_skb(BH_SKB_SIZE, GFP_KERNEL); ++ if (!event->skb) ++ goto out_free_event; ++ ++ ret = bh_event_add_var(event, 0, "%s@", "add"); ++ if (ret) ++ goto out_free_skb; ++ ++ ret = motion_hotplug_fill_event(event); ++ if (ret) ++ goto out_free_skb; ++ ++ NETLINK_CB(event->skb).dst_group = 1; ++ broadcast_uevent(event->skb, 0, 1, GFP_KERNEL); ++ ++out_free_skb: ++ if (ret) { ++ BH_ERR("work error %d\n", ret); ++ kfree_skb(event->skb); ++ } ++out_free_event: ++ kfree(event); ++} ++ ++static int motion_hotplug_create_event(void) ++{ ++ struct bh_event *event; ++ ++ event = kzalloc(sizeof(*event), GFP_KERNEL); ++ if (!event) ++ return -ENOMEM; ++ ++ event->name = "motion"; ++ ++ INIT_WORK(&event->work, (void *)(void *)motion_hotplug_work); ++ schedule_work(&event->work); ++ ++ return 0; ++} ++ ++#define MOTION_FLAG_OFFSET 4 + static void uvc_video_decode_end(struct uvc_streaming *stream, + struct uvc_buffer *buf, const u8 *data, int len) + { ++ if ((stream->dev->quirks & UVC_QUIRK_MOTION) && ++ (data[len - 2] == 0xff) && (data[len - 1] == 0xd9)) { ++ u8 *mem; ++ buf->state = UVC_BUF_STATE_READY; ++ mem = (u8 *) (buf->mem + MOTION_FLAG_OFFSET); ++ if ( stream->dev->motion ) { ++ stream->dev->motion = 0; ++ motion_hotplug_create_event(); ++ } else { ++ *mem &= 0x7f; ++ } ++ } ++ + /* Mark the buffer as done if the EOF marker is set. */ + if (data[1] & UVC_STREAM_EOF && buf->bytesused != 0) { + uvc_dbg(stream->dev, FRAME, "Frame complete (EOF found)\n"); +@@ -1815,6 +1960,8 @@ static int uvc_init_video_isoc(struct uv + if (npackets == 0) + return -ENOMEM; + ++ if (stream->dev->quirks & UVC_QUIRK_SINGLE_ISO) ++ npackets = 1; + size = npackets * psize; + + for_each_uvc_urb(uvc_urb, stream) { +--- a/drivers/media/usb/uvc/uvcvideo.h ++++ b/drivers/media/usb/uvc/uvcvideo.h +@@ -75,6 +75,8 @@ + #define UVC_QUIRK_FORCE_Y8 0x00000800 + #define UVC_QUIRK_FORCE_BPP 0x00001000 + #define UVC_QUIRK_WAKE_AUTOSUSPEND 0x00002000 ++#define UVC_QUIRK_MOTION 0x00004000 ++#define UVC_QUIRK_SINGLE_ISO 0x00008000 + + /* Format flags */ + #define UVC_FMT_FLAG_COMPRESSED 0x00000001 +@@ -562,6 +564,7 @@ struct uvc_device { + u8 *status; + struct input_dev *input; + char input_phys[64]; ++ int motion; + + struct uvc_ctrl_work { + struct work_struct work; diff --git a/target/linux/ramips/patches-6.1/820-DT-Add-documentation-for-spi-rt2880.patch b/target/linux/ramips/patches-6.1/820-DT-Add-documentation-for-spi-rt2880.patch new file mode 100644 index 0000000000..e2643e3f25 --- /dev/null +++ b/target/linux/ramips/patches-6.1/820-DT-Add-documentation-for-spi-rt2880.patch @@ -0,0 +1,44 @@ +From da6015e7f19d749f135f7ac55c4ec47b06faa868 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Fri, 9 Aug 2013 20:12:59 +0200 +Subject: [PATCH 41/53] DT: Add documentation for spi-rt2880 + +Describe the SPI master found on the MIPS based Ralink RT2880 SoC. + +Signed-off-by: John Crispin +--- + .../devicetree/bindings/spi/spi-rt2880.txt | 28 ++++++++++++++++++++ + 1 file changed, 28 insertions(+) + create mode 100644 Documentation/devicetree/bindings/spi/spi-rt2880.txt + +--- /dev/null ++++ b/Documentation/devicetree/bindings/spi/spi-rt2880.txt +@@ -0,0 +1,28 @@ ++Ralink SoC RT2880 SPI master controller. ++ ++This SPI controller is found on most wireless SoCs made by ralink. ++ ++Required properties: ++- compatible : "ralink,rt2880-spi" ++- reg : The register base for the controller. ++- #address-cells : <1>, as required by generic SPI binding. ++- #size-cells : <0>, also as required by generic SPI binding. ++ ++Child nodes as per the generic SPI binding. ++ ++Example: ++ ++ spi@b00 { ++ compatible = "ralink,rt2880-spi"; ++ reg = <0xb00 0x100>; ++ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ m25p80@0 { ++ compatible = "m25p80"; ++ reg = <0>; ++ spi-max-frequency = <10000000>; ++ }; ++ }; ++ diff --git a/target/linux/ramips/patches-6.1/821-SPI-ralink-add-Ralink-SoC-spi-driver.patch b/target/linux/ramips/patches-6.1/821-SPI-ralink-add-Ralink-SoC-spi-driver.patch new file mode 100644 index 0000000000..9aaf86ffc7 --- /dev/null +++ b/target/linux/ramips/patches-6.1/821-SPI-ralink-add-Ralink-SoC-spi-driver.patch @@ -0,0 +1,579 @@ +From 683af4ebb91a1600df1946ac4769d916b8a1be65 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 27 Jul 2014 11:15:12 +0100 +Subject: [PATCH 42/53] SPI: ralink: add Ralink SoC spi driver + +Add the driver needed to make SPI work on Ralink SoC. + +Signed-off-by: Gabor Juhos +Acked-by: John Crispin +--- + drivers/spi/Kconfig | 6 + + drivers/spi/Makefile | 1 + + drivers/spi/spi-rt2880.c | 530 ++++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 537 insertions(+) + create mode 100644 drivers/spi/spi-rt2880.c + +--- a/drivers/spi/Kconfig ++++ b/drivers/spi/Kconfig +@@ -823,6 +823,12 @@ config SPI_QCOM_GENI + This driver can also be built as a module. If so, the module + will be called spi-geni-qcom. + ++config SPI_RT2880 ++ tristate "Ralink RT288x SPI Controller" ++ depends on RALINK ++ help ++ This selects a driver for the Ralink RT288x/RT305x SPI Controller. ++ + config SPI_S3C24XX + tristate "Samsung S3C24XX series SPI" + depends on ARCH_S3C24XX +--- a/drivers/spi/Makefile ++++ b/drivers/spi/Makefile +@@ -110,6 +110,7 @@ obj-$(CONFIG_SPI_RB4XX) += spi-rb4xx.o + obj-$(CONFIG_MACH_REALTEK_RTL) += spi-realtek-rtl.o + obj-$(CONFIG_SPI_RPCIF) += spi-rpc-if.o + obj-$(CONFIG_SPI_RSPI) += spi-rspi.o ++obj-$(CONFIG_SPI_RT2880) += spi-rt2880.o + obj-$(CONFIG_SPI_S3C24XX) += spi-s3c24xx-hw.o + spi-s3c24xx-hw-y := spi-s3c24xx.o + obj-$(CONFIG_SPI_S3C64XX) += spi-s3c64xx.o +--- /dev/null ++++ b/drivers/spi/spi-rt2880.c +@@ -0,0 +1,535 @@ ++/* ++ * spi-rt2880.c -- Ralink RT288x/RT305x SPI controller driver ++ * ++ * Copyright (C) 2011 Sergiy ++ * Copyright (C) 2011-2013 Gabor Juhos ++ * ++ * Some parts are based on spi-orion.c: ++ * Author: Shadi Ammouri ++ * Copyright (C) 2007-2008 Marvell Ltd. ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#define DRIVER_NAME "spi-rt2880" ++ ++#define RAMIPS_SPI_STAT 0x00 ++#define RAMIPS_SPI_CFG 0x10 ++#define RAMIPS_SPI_CTL 0x14 ++#define RAMIPS_SPI_DATA 0x20 ++#define RAMIPS_SPI_ADDR 0x24 ++#define RAMIPS_SPI_BS 0x28 ++#define RAMIPS_SPI_USER 0x2C ++#define RAMIPS_SPI_TXFIFO 0x30 ++#define RAMIPS_SPI_RXFIFO 0x34 ++#define RAMIPS_SPI_FIFO_STAT 0x38 ++#define RAMIPS_SPI_MODE 0x3C ++#define RAMIPS_SPI_DEV_OFFSET 0x40 ++#define RAMIPS_SPI_DMA 0x80 ++#define RAMIPS_SPI_DMASTAT 0x84 ++#define RAMIPS_SPI_ARBITER 0xF0 ++ ++/* SPISTAT register bit field */ ++#define SPISTAT_BUSY BIT(0) ++ ++/* SPICFG register bit field */ ++#define SPICFG_ADDRMODE BIT(12) ++#define SPICFG_RXENVDIS BIT(11) ++#define SPICFG_RXCAP BIT(10) ++#define SPICFG_SPIENMODE BIT(9) ++#define SPICFG_MSBFIRST BIT(8) ++#define SPICFG_SPICLKPOL BIT(6) ++#define SPICFG_RXCLKEDGE_FALLING BIT(5) ++#define SPICFG_TXCLKEDGE_FALLING BIT(4) ++#define SPICFG_HIZSPI BIT(3) ++#define SPICFG_SPICLK_PRESCALE_MASK 0x7 ++#define SPICFG_SPICLK_DIV2 0 ++#define SPICFG_SPICLK_DIV4 1 ++#define SPICFG_SPICLK_DIV8 2 ++#define SPICFG_SPICLK_DIV16 3 ++#define SPICFG_SPICLK_DIV32 4 ++#define SPICFG_SPICLK_DIV64 5 ++#define SPICFG_SPICLK_DIV128 6 ++#define SPICFG_SPICLK_DISABLE 7 ++ ++/* SPICTL register bit field */ ++#define SPICTL_START BIT(4) ++#define SPICTL_HIZSDO BIT(3) ++#define SPICTL_STARTWR BIT(2) ++#define SPICTL_STARTRD BIT(1) ++#define SPICTL_SPIENA BIT(0) ++ ++/* SPIUSER register bit field */ ++#define SPIUSER_USERMODE BIT(21) ++#define SPIUSER_INSTR_PHASE BIT(20) ++#define SPIUSER_ADDR_PHASE_MASK 0x7 ++#define SPIUSER_ADDR_PHASE_OFFSET 17 ++#define SPIUSER_MODE_PHASE BIT(16) ++#define SPIUSER_DUMMY_PHASE_MASK 0x3 ++#define SPIUSER_DUMMY_PHASE_OFFSET 14 ++#define SPIUSER_DATA_PHASE_MASK 0x3 ++#define SPIUSER_DATA_PHASE_OFFSET 12 ++#define SPIUSER_DATA_READ (BIT(0) << SPIUSER_DATA_PHASE_OFFSET) ++#define SPIUSER_DATA_WRITE (BIT(1) << SPIUSER_DATA_PHASE_OFFSET) ++#define SPIUSER_ADDR_TYPE_OFFSET 9 ++#define SPIUSER_MODE_TYPE_OFFSET 6 ++#define SPIUSER_DUMMY_TYPE_OFFSET 3 ++#define SPIUSER_DATA_TYPE_OFFSET 0 ++#define SPIUSER_TRANSFER_MASK 0x7 ++#define SPIUSER_TRANSFER_SINGLE BIT(0) ++#define SPIUSER_TRANSFER_DUAL BIT(1) ++#define SPIUSER_TRANSFER_QUAD BIT(2) ++ ++#define SPIUSER_TRANSFER_TYPE(type) ( \ ++ (type << SPIUSER_ADDR_TYPE_OFFSET) | \ ++ (type << SPIUSER_MODE_TYPE_OFFSET) | \ ++ (type << SPIUSER_DUMMY_TYPE_OFFSET) | \ ++ (type << SPIUSER_DATA_TYPE_OFFSET) \ ++) ++ ++/* SPIFIFOSTAT register bit field */ ++#define SPIFIFOSTAT_TXEMPTY BIT(19) ++#define SPIFIFOSTAT_RXEMPTY BIT(18) ++#define SPIFIFOSTAT_TXFULL BIT(17) ++#define SPIFIFOSTAT_RXFULL BIT(16) ++#define SPIFIFOSTAT_FIFO_MASK 0xff ++#define SPIFIFOSTAT_TX_OFFSET 8 ++#define SPIFIFOSTAT_RX_OFFSET 0 ++ ++#define SPI_FIFO_DEPTH 16 ++ ++/* SPIMODE register bit field */ ++#define SPIMODE_MODE_OFFSET 24 ++#define SPIMODE_DUMMY_OFFSET 0 ++ ++/* SPIARB register bit field */ ++#define SPICTL_ARB_EN BIT(31) ++#define SPICTL_CSCTL1 BIT(16) ++#define SPI1_POR BIT(1) ++#define SPI0_POR BIT(0) ++ ++#define RT2880_SPI_MODE_BITS (SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST | \ ++ SPI_CS_HIGH) ++ ++static atomic_t hw_reset_count = ATOMIC_INIT(0); ++ ++struct rt2880_spi { ++ struct spi_master *master; ++ void __iomem *base; ++ u32 speed; ++ u16 wait_loops; ++ u16 mode; ++ struct clk *clk; ++}; ++ ++static inline struct rt2880_spi *spidev_to_rt2880_spi(struct spi_device *spi) ++{ ++ return spi_master_get_devdata(spi->master); ++} ++ ++static inline u32 rt2880_spi_read(struct rt2880_spi *rs, u32 reg) ++{ ++ return ioread32(rs->base + reg); ++} ++ ++static inline void rt2880_spi_write(struct rt2880_spi *rs, u32 reg, ++ const u32 val) ++{ ++ iowrite32(val, rs->base + reg); ++} ++ ++static inline void rt2880_spi_setbits(struct rt2880_spi *rs, u32 reg, u32 mask) ++{ ++ void __iomem *addr = rs->base + reg; ++ ++ iowrite32((ioread32(addr) | mask), addr); ++} ++ ++static inline void rt2880_spi_clrbits(struct rt2880_spi *rs, u32 reg, u32 mask) ++{ ++ void __iomem *addr = rs->base + reg; ++ ++ iowrite32((ioread32(addr) & ~mask), addr); ++} ++ ++static u32 rt2880_spi_baudrate_get(struct spi_device *spi, unsigned int speed) ++{ ++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ u32 rate; ++ u32 prescale; ++ ++ /* ++ * the supported rates are: 2, 4, 8, ... 128 ++ * round up as we look for equal or less speed ++ */ ++ rate = DIV_ROUND_UP(clk_get_rate(rs->clk), speed); ++ rate = roundup_pow_of_two(rate); ++ ++ /* Convert the rate to SPI clock divisor value. */ ++ prescale = ilog2(rate / 2); ++ ++ /* some tolerance. double and add 100 */ ++ rs->wait_loops = (8 * HZ * loops_per_jiffy) / ++ (clk_get_rate(rs->clk) / rate); ++ rs->wait_loops = (rs->wait_loops << 1) + 100; ++ rs->speed = speed; ++ ++ dev_dbg(&spi->dev, "speed: %lu/%u, rate: %u, prescal: %u, loops: %hu\n", ++ clk_get_rate(rs->clk) / rate, speed, rate, prescale, ++ rs->wait_loops); ++ ++ return prescale; ++} ++ ++static u32 get_arbiter_offset(struct spi_master *master) ++{ ++ u32 offset; ++ ++ offset = RAMIPS_SPI_ARBITER; ++ if (master->bus_num == 1) ++ offset -= RAMIPS_SPI_DEV_OFFSET; ++ ++ return offset; ++} ++ ++static void rt2880_spi_set_cs(struct spi_device *spi, bool enable) ++{ ++ struct rt2880_spi *rs = spidev_to_rt2880_spi(spi); ++ ++ if (enable) ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA); ++ else ++ rt2880_spi_clrbits(rs, RAMIPS_SPI_CTL, SPICTL_SPIENA); ++} ++ ++static int rt2880_spi_wait_ready(struct rt2880_spi *rs, int len) ++{ ++ int loop = rs->wait_loops * len; ++ ++ while ((rt2880_spi_read(rs, RAMIPS_SPI_STAT) & SPISTAT_BUSY) && --loop) ++ cpu_relax(); ++ ++ if (loop) ++ return 0; ++ ++ return -ETIMEDOUT; ++} ++ ++static void rt2880_dump_reg(struct spi_master *master) ++{ ++ struct rt2880_spi *rs = spi_master_get_devdata(master); ++ ++ dev_dbg(&master->dev, "stat: %08x, cfg: %08x, ctl: %08x, " \ ++ "data: %08x, arb: %08x\n", ++ rt2880_spi_read(rs, RAMIPS_SPI_STAT), ++ rt2880_spi_read(rs, RAMIPS_SPI_CFG), ++ rt2880_spi_read(rs, RAMIPS_SPI_CTL), ++ rt2880_spi_read(rs, RAMIPS_SPI_DATA), ++ rt2880_spi_read(rs, get_arbiter_offset(master))); ++} ++ ++static int rt2880_spi_transfer_one(struct spi_master *master, ++ struct spi_device *spi, struct spi_transfer *xfer) ++{ ++ struct rt2880_spi *rs = spi_master_get_devdata(master); ++ unsigned len; ++ const u8 *tx = xfer->tx_buf; ++ u8 *rx = xfer->rx_buf; ++ int err = 0; ++ ++ /* change clock speed */ ++ if (unlikely(rs->speed != xfer->speed_hz)) { ++ u32 reg; ++ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG); ++ reg &= ~SPICFG_SPICLK_PRESCALE_MASK; ++ reg |= rt2880_spi_baudrate_get(spi, xfer->speed_hz); ++ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg); ++ } ++ ++ if (tx) { ++ len = xfer->len; ++ while (len-- > 0) { ++ rt2880_spi_write(rs, RAMIPS_SPI_DATA, *tx++); ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTWR); ++ err = rt2880_spi_wait_ready(rs, 1); ++ if (err) { ++ dev_err(&spi->dev, "TX failed, err=%d\n", err); ++ goto out; ++ } ++ } ++ } ++ ++ if (rx) { ++ len = xfer->len; ++ while (len-- > 0) { ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_STARTRD); ++ err = rt2880_spi_wait_ready(rs, 1); ++ if (err) { ++ dev_err(&spi->dev, "RX failed, err=%d\n", err); ++ goto out; ++ } ++ *rx++ = (u8) rt2880_spi_read(rs, RAMIPS_SPI_DATA); ++ } ++ } ++ ++out: ++ return err; ++} ++ ++/* copy from spi.c */ ++static void spi_set_cs(struct spi_device *spi, bool enable) ++{ ++ if (spi->mode & SPI_CS_HIGH) ++ enable = !enable; ++ ++ if (spi->cs_gpiod) ++ gpiod_set_value(spi->cs_gpiod, !enable); ++ else if (spi->master->set_cs) ++ spi->master->set_cs(spi, !enable); ++} ++ ++static int rt2880_spi_setup(struct spi_device *spi) ++{ ++ struct spi_master *master = spi->master; ++ struct rt2880_spi *rs = spi_master_get_devdata(master); ++ u32 reg, old_reg, arbit_off; ++ ++ if ((spi->max_speed_hz > master->max_speed_hz) || ++ (spi->max_speed_hz < master->min_speed_hz)) { ++ dev_err(&spi->dev, "invalide requested speed %d Hz\n", ++ spi->max_speed_hz); ++ return -EINVAL; ++ } ++ ++ if (!(master->bits_per_word_mask & ++ BIT(spi->bits_per_word - 1))) { ++ dev_err(&spi->dev, "invalide bits_per_word %d\n", ++ spi->bits_per_word); ++ return -EINVAL; ++ } ++ ++ /* the hardware seems can't work on mode0 force it to mode3 */ ++ if ((spi->mode & (SPI_CPOL | SPI_CPHA)) == SPI_MODE_0) { ++ dev_warn(&spi->dev, "force spi mode3\n"); ++ spi->mode |= SPI_MODE_3; ++ } ++ ++ /* chip polarity */ ++ arbit_off = get_arbiter_offset(master); ++ reg = old_reg = rt2880_spi_read(rs, arbit_off); ++ if (spi->mode & SPI_CS_HIGH) { ++ switch (master->bus_num) { ++ case 1: ++ reg |= SPI1_POR; ++ break; ++ default: ++ reg |= SPI0_POR; ++ break; ++ } ++ } else { ++ switch (master->bus_num) { ++ case 1: ++ reg &= ~SPI1_POR; ++ break; ++ default: ++ reg &= ~SPI0_POR; ++ break; ++ } ++ } ++ ++ /* enable spi1 */ ++ if (master->bus_num == 1) ++ reg |= SPICTL_ARB_EN; ++ ++ if (reg != old_reg) ++ rt2880_spi_write(rs, arbit_off, reg); ++ ++ /* deselected the spi device */ ++ spi_set_cs(spi, false); ++ ++ rt2880_dump_reg(master); ++ ++ return 0; ++} ++ ++static int rt2880_spi_prepare_message(struct spi_master *master, ++ struct spi_message *msg) ++{ ++ struct rt2880_spi *rs = spi_master_get_devdata(master); ++ struct spi_device *spi = msg->spi; ++ u32 reg; ++ ++ if ((rs->mode == spi->mode) && (rs->speed == spi->max_speed_hz)) ++ return 0; ++ ++#if 0 ++ /* set spido to tri-state */ ++ rt2880_spi_setbits(rs, RAMIPS_SPI_CTL, SPICTL_HIZSDO); ++#endif ++ ++ reg = rt2880_spi_read(rs, RAMIPS_SPI_CFG); ++ ++ reg &= ~(SPICFG_MSBFIRST | SPICFG_SPICLKPOL | ++ SPICFG_RXCLKEDGE_FALLING | ++ SPICFG_TXCLKEDGE_FALLING | ++ SPICFG_SPICLK_PRESCALE_MASK); ++ ++ /* MSB */ ++ if (!(spi->mode & SPI_LSB_FIRST)) ++ reg |= SPICFG_MSBFIRST; ++ ++ /* spi mode */ ++ switch (spi->mode & (SPI_CPOL | SPI_CPHA)) { ++ case SPI_MODE_0: ++ reg |= SPICFG_TXCLKEDGE_FALLING; ++ break; ++ case SPI_MODE_1: ++ reg |= SPICFG_RXCLKEDGE_FALLING; ++ break; ++ case SPI_MODE_2: ++ reg |= SPICFG_SPICLKPOL | SPICFG_RXCLKEDGE_FALLING; ++ break; ++ case SPI_MODE_3: ++ reg |= SPICFG_SPICLKPOL | SPICFG_TXCLKEDGE_FALLING; ++ break; ++ } ++ rs->mode = spi->mode; ++ ++#if 0 ++ /* set spiclk and spiena to tri-state */ ++ reg |= SPICFG_HIZSPI; ++#endif ++ ++ /* clock divide */ ++ reg |= rt2880_spi_baudrate_get(spi, spi->max_speed_hz); ++ ++ rt2880_spi_write(rs, RAMIPS_SPI_CFG, reg); ++ ++ return 0; ++} ++ ++static int rt2880_spi_probe(struct platform_device *pdev) ++{ ++ struct spi_master *master; ++ struct rt2880_spi *rs; ++ void __iomem *base; ++ struct resource *r; ++ struct clk *clk; ++ int ret; ++ ++ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ base = devm_ioremap_resource(&pdev->dev, r); ++ if (IS_ERR(base)) ++ return PTR_ERR(base); ++ ++ clk = devm_clk_get(&pdev->dev, NULL); ++ if (IS_ERR(clk)) { ++ dev_err(&pdev->dev, "unable to get SYS clock\n"); ++ return PTR_ERR(clk); ++ } ++ ++ ret = clk_prepare_enable(clk); ++ if (ret) ++ goto err_clk; ++ ++ master = spi_alloc_master(&pdev->dev, sizeof(*rs)); ++ if (master == NULL) { ++ dev_dbg(&pdev->dev, "master allocation failed\n"); ++ ret = -ENOMEM; ++ goto err_clk; ++ } ++ ++ master->dev.of_node = pdev->dev.of_node; ++ master->mode_bits = RT2880_SPI_MODE_BITS; ++ master->bits_per_word_mask = SPI_BPW_MASK(8); ++ master->min_speed_hz = clk_get_rate(clk) / 128; ++ master->max_speed_hz = clk_get_rate(clk) / 2; ++ master->flags = SPI_MASTER_HALF_DUPLEX; ++ master->setup = rt2880_spi_setup; ++ master->prepare_message = rt2880_spi_prepare_message; ++ master->set_cs = rt2880_spi_set_cs; ++ master->transfer_one = rt2880_spi_transfer_one, ++ ++ dev_set_drvdata(&pdev->dev, master); ++ ++ rs = spi_master_get_devdata(master); ++ rs->master = master; ++ rs->base = base; ++ rs->clk = clk; ++ ++ if (atomic_inc_return(&hw_reset_count) == 1) { ++ ret = device_reset(&pdev->dev); ++ if (ret) { ++ dev_err(&pdev->dev, "device_reset error.\n"); ++ goto err_master; ++ } ++ } ++ ++ ret = devm_spi_register_master(&pdev->dev, master); ++ if (ret < 0) { ++ dev_err(&pdev->dev, "devm_spi_register_master error.\n"); ++ goto err_master; ++ } ++ ++ return ret; ++ ++err_master: ++ spi_master_put(master); ++ kfree(master); ++err_clk: ++ clk_disable_unprepare(clk); ++ ++ return ret; ++} ++ ++static int rt2880_spi_remove(struct platform_device *pdev) ++{ ++ struct spi_master *master; ++ struct rt2880_spi *rs; ++ ++ master = dev_get_drvdata(&pdev->dev); ++ rs = spi_master_get_devdata(master); ++ ++ clk_disable_unprepare(rs->clk); ++ atomic_dec(&hw_reset_count); ++ ++ return 0; ++} ++ ++MODULE_ALIAS("platform:" DRIVER_NAME); ++ ++static const struct of_device_id rt2880_spi_match[] = { ++ { .compatible = "ralink,rt2880-spi" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, rt2880_spi_match); ++ ++static struct platform_driver rt2880_spi_driver = { ++ .driver = { ++ .name = DRIVER_NAME, ++ .owner = THIS_MODULE, ++ .of_match_table = rt2880_spi_match, ++ }, ++ .probe = rt2880_spi_probe, ++ .remove = rt2880_spi_remove, ++}; ++ ++module_platform_driver(rt2880_spi_driver); ++ ++MODULE_DESCRIPTION("Ralink SPI driver"); ++MODULE_AUTHOR("Sergiy "); ++MODULE_AUTHOR("Gabor Juhos "); ++MODULE_LICENSE("GPL"); diff --git a/target/linux/ramips/patches-6.1/825-i2c-MIPS-adds-ralink-I2C-driver.patch b/target/linux/ramips/patches-6.1/825-i2c-MIPS-adds-ralink-I2C-driver.patch new file mode 100644 index 0000000000..461cf6e222 --- /dev/null +++ b/target/linux/ramips/patches-6.1/825-i2c-MIPS-adds-ralink-I2C-driver.patch @@ -0,0 +1,512 @@ +From 723b8beaabf3c3c4b1ce69480141f1e926f3f3b2 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 27 Jul 2014 09:52:56 +0100 +Subject: [PATCH 44/53] i2c: MIPS: adds ralink I2C driver + +Signed-off-by: John Crispin +--- + .../devicetree/bindings/i2c/i2c-ralink.txt | 27 ++ + drivers/i2c/busses/Kconfig | 4 + + drivers/i2c/busses/Makefile | 1 + + drivers/i2c/busses/i2c-ralink.c | 327 ++++++++++++++++++++ + 4 files changed, 359 insertions(+) + create mode 100644 Documentation/devicetree/bindings/i2c/i2c-ralink.txt + create mode 100644 drivers/i2c/busses/i2c-ralink.c + +--- /dev/null ++++ b/Documentation/devicetree/bindings/i2c/i2c-ralink.txt +@@ -0,0 +1,27 @@ ++I2C for Ralink platforms ++ ++Required properties : ++- compatible : Must be "link,rt3052-i2c" ++- reg: physical base address of the controller and length of memory mapped ++ region. ++- #address-cells = <1>; ++- #size-cells = <0>; ++ ++Optional properties: ++- Child nodes conforming to i2c bus binding ++ ++Example : ++ ++palmbus@10000000 { ++ i2c@900 { ++ compatible = "link,rt3052-i2c"; ++ reg = <0x900 0x100>; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ hwmon@4b { ++ compatible = "national,lm92"; ++ reg = <0x4b>; ++ }; ++ }; ++}; +--- a/drivers/i2c/busses/Kconfig ++++ b/drivers/i2c/busses/Kconfig +@@ -998,6 +998,11 @@ config I2C_RK3X + This driver can also be built as a module. If so, the module will + be called i2c-rk3x. + ++config I2C_RALINK ++ tristate "Ralink I2C Controller" ++ depends on RALINK && !SOC_MT7621 ++ select OF_I2C ++ + config I2C_RZV2M + tristate "Renesas RZ/V2M adapter" + depends on ARCH_RENESAS || COMPILE_TEST +--- a/drivers/i2c/busses/Makefile ++++ b/drivers/i2c/busses/Makefile +@@ -95,6 +95,7 @@ obj-$(CONFIG_I2C_PCA_PLATFORM) += i2c-pc + obj-$(CONFIG_I2C_PNX) += i2c-pnx.o + obj-$(CONFIG_I2C_PXA) += i2c-pxa.o + obj-$(CONFIG_I2C_PXA_PCI) += i2c-pxa-pci.o ++obj-$(CONFIG_I2C_RALINK) += i2c-ralink.o + obj-$(CONFIG_I2C_QCOM_CCI) += i2c-qcom-cci.o + obj-$(CONFIG_I2C_QCOM_GENI) += i2c-qcom-geni.o + obj-$(CONFIG_I2C_QUP) += i2c-qup.o +--- /dev/null ++++ b/drivers/i2c/busses/i2c-ralink.c +@@ -0,0 +1,440 @@ ++/* ++ * drivers/i2c/busses/i2c-ralink.c ++ * ++ * Copyright (C) 2013 Steven Liu ++ * Copyright (C) 2016 Michael Lee ++ * ++ * Improve driver for i2cdetect from i2c-tools to detect i2c devices on the bus. ++ * (C) 2014 Sittisak ++ * ++ * This software is licensed under the terms of the GNU General Public ++ * License version 2, as published by the Free Software Foundation, and ++ * may be copied, distributed, and modified under those terms. ++ * ++ * This program is distributed in the hope that it will be useful, ++ * but WITHOUT ANY WARRANTY; without even the implied warranty of ++ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ++ * GNU General Public License for more details. ++ * ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#define REG_CONFIG_REG 0x00 ++#define REG_CLKDIV_REG 0x04 ++#define REG_DEVADDR_REG 0x08 ++#define REG_ADDR_REG 0x0C ++#define REG_DATAOUT_REG 0x10 ++#define REG_DATAIN_REG 0x14 ++#define REG_STATUS_REG 0x18 ++#define REG_STARTXFR_REG 0x1C ++#define REG_BYTECNT_REG 0x20 ++ ++/* REG_CONFIG_REG */ ++#define I2C_ADDRLEN_OFFSET 5 ++#define I2C_DEVADLEN_OFFSET 2 ++#define I2C_ADDRLEN_MASK 0x3 ++#define I2C_ADDR_DIS BIT(1) ++#define I2C_DEVADDR_DIS BIT(0) ++#define I2C_ADDRLEN_8 (7 << I2C_ADDRLEN_OFFSET) ++#define I2C_DEVADLEN_7 (6 << I2C_DEVADLEN_OFFSET) ++#define I2C_CONF_DEFAULT (I2C_ADDRLEN_8 | I2C_DEVADLEN_7) ++ ++/* REG_CLKDIV_REG */ ++#define I2C_CLKDIV_MASK 0xffff ++ ++/* REG_DEVADDR_REG */ ++#define I2C_DEVADDR_MASK 0x7f ++ ++/* REG_ADDR_REG */ ++#define I2C_ADDR_MASK 0xff ++ ++/* REG_STATUS_REG */ ++#define I2C_STARTERR BIT(4) ++#define I2C_ACKERR BIT(3) ++#define I2C_DATARDY BIT(2) ++#define I2C_SDOEMPTY BIT(1) ++#define I2C_BUSY BIT(0) ++ ++/* REG_STARTXFR_REG */ ++#define NOSTOP_CMD BIT(2) ++#define NODATA_CMD BIT(1) ++#define READ_CMD BIT(0) ++ ++/* REG_BYTECNT_REG */ ++#define BYTECNT_MAX 64 ++#define SET_BYTECNT(x) (x - 1) ++ ++/* timeout waiting for I2C devices to respond (clock streching) */ ++#define TIMEOUT_MS 1000 ++#define DELAY_INTERVAL_US 100 ++ ++struct rt_i2c { ++ void __iomem *base; ++ struct clk *clk; ++ struct device *dev; ++ struct i2c_adapter adap; ++ u32 cur_clk; ++ u32 clk_div; ++ u32 flags; ++}; ++ ++static void rt_i2c_w32(struct rt_i2c *i2c, u32 val, unsigned reg) ++{ ++ iowrite32(val, i2c->base + reg); ++} ++ ++static u32 rt_i2c_r32(struct rt_i2c *i2c, unsigned reg) ++{ ++ return ioread32(i2c->base + reg); ++} ++ ++static int poll_down_timeout(void __iomem *addr, u32 mask) ++{ ++ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS); ++ ++ do { ++ if (!(readl_relaxed(addr) & mask)) ++ return 0; ++ ++ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); ++ } while (time_before(jiffies, timeout)); ++ ++ return (readl_relaxed(addr) & mask) ? -EAGAIN : 0; ++} ++ ++static int rt_i2c_wait_idle(struct rt_i2c *i2c) ++{ ++ int ret; ++ ++ ret = poll_down_timeout(i2c->base + REG_STATUS_REG, I2C_BUSY); ++ if (ret < 0) ++ dev_dbg(i2c->dev, "idle err(%d)\n", ret); ++ ++ return ret; ++} ++ ++static int poll_up_timeout(void __iomem *addr, u32 mask) ++{ ++ unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS); ++ u32 status; ++ ++ do { ++ status = readl_relaxed(addr); ++ ++ /* check error status */ ++ if (status & I2C_STARTERR) ++ return -EAGAIN; ++ else if (status & I2C_ACKERR) ++ return -ENXIO; ++ else if (status & mask) ++ return 0; ++ ++ usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); ++ } while (time_before(jiffies, timeout)); ++ ++ return -ETIMEDOUT; ++} ++ ++static int rt_i2c_wait_rx_done(struct rt_i2c *i2c) ++{ ++ int ret; ++ ++ ret = poll_up_timeout(i2c->base + REG_STATUS_REG, I2C_DATARDY); ++ if (ret < 0) ++ dev_dbg(i2c->dev, "rx err(%d)\n", ret); ++ ++ return ret; ++} ++ ++static int rt_i2c_wait_tx_done(struct rt_i2c *i2c) ++{ ++ int ret; ++ ++ ret = poll_up_timeout(i2c->base + REG_STATUS_REG, I2C_SDOEMPTY); ++ if (ret < 0) ++ dev_dbg(i2c->dev, "tx err(%d)\n", ret); ++ ++ return ret; ++} ++ ++static void rt_i2c_reset(struct rt_i2c *i2c) ++{ ++ int ret; ++ ++ ret = device_reset(i2c->adap.dev.parent); ++ if (ret) ++ dev_err(i2c->dev, "Failed to reset device"); ++ ++ barrier(); ++ rt_i2c_w32(i2c, i2c->clk_div, REG_CLKDIV_REG); ++} ++ ++static void rt_i2c_dump_reg(struct rt_i2c *i2c) ++{ ++ dev_dbg(i2c->dev, "conf %08x, clkdiv %08x, devaddr %08x, " \ ++ "addr %08x, dataout %08x, datain %08x, " \ ++ "status %08x, startxfr %08x, bytecnt %08x\n", ++ rt_i2c_r32(i2c, REG_CONFIG_REG), ++ rt_i2c_r32(i2c, REG_CLKDIV_REG), ++ rt_i2c_r32(i2c, REG_DEVADDR_REG), ++ rt_i2c_r32(i2c, REG_ADDR_REG), ++ rt_i2c_r32(i2c, REG_DATAOUT_REG), ++ rt_i2c_r32(i2c, REG_DATAIN_REG), ++ rt_i2c_r32(i2c, REG_STATUS_REG), ++ rt_i2c_r32(i2c, REG_STARTXFR_REG), ++ rt_i2c_r32(i2c, REG_BYTECNT_REG)); ++} ++ ++static int rt_i2c_master_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, ++ int num) ++{ ++ struct rt_i2c *i2c; ++ struct i2c_msg *pmsg; ++ unsigned char addr; ++ int i, j, ret; ++ u32 cmd; ++ ++ i2c = i2c_get_adapdata(adap); ++ ++ for (i = 0; i < num; i++) { ++ pmsg = &msgs[i]; ++ if (i == (num - 1)) ++ cmd = 0; ++ else ++ cmd = NOSTOP_CMD; ++ ++ dev_dbg(i2c->dev, "addr: 0x%x, len: %d, flags: 0x%x, stop: %d\n", ++ pmsg->addr, pmsg->len, pmsg->flags, ++ (cmd == 0)? 1 : 0); ++ ++ /* wait hardware idle */ ++ if ((ret = rt_i2c_wait_idle(i2c))) ++ goto err_timeout; ++ ++ if (pmsg->flags & I2C_M_TEN) { ++ rt_i2c_w32(i2c, I2C_CONF_DEFAULT, REG_CONFIG_REG); ++ /* 10 bits address */ ++ addr = 0x78 | ((pmsg->addr >> 8) & 0x03); ++ rt_i2c_w32(i2c, addr & I2C_DEVADDR_MASK, ++ REG_DEVADDR_REG); ++ rt_i2c_w32(i2c, pmsg->addr & I2C_ADDR_MASK, ++ REG_ADDR_REG); ++ } else { ++ rt_i2c_w32(i2c, I2C_CONF_DEFAULT | I2C_ADDR_DIS, ++ REG_CONFIG_REG); ++ /* 7 bits address */ ++ rt_i2c_w32(i2c, pmsg->addr & I2C_DEVADDR_MASK, ++ REG_DEVADDR_REG); ++ } ++ ++ /* buffer length */ ++ if (pmsg->len == 0) ++ cmd |= NODATA_CMD; ++ else ++ rt_i2c_w32(i2c, SET_BYTECNT(pmsg->len), ++ REG_BYTECNT_REG); ++ ++ j = 0; ++ if (pmsg->flags & I2C_M_RD) { ++ cmd |= READ_CMD; ++ /* start transfer */ ++ barrier(); ++ rt_i2c_w32(i2c, cmd, REG_STARTXFR_REG); ++ do { ++ /* wait */ ++ if ((ret = rt_i2c_wait_rx_done(i2c))) ++ goto err_timeout; ++ /* read data */ ++ if (pmsg->len) ++ pmsg->buf[j] = rt_i2c_r32(i2c, ++ REG_DATAIN_REG); ++ j++; ++ } while (j < pmsg->len); ++ } else { ++ do { ++ /* write data */ ++ if (pmsg->len) ++ rt_i2c_w32(i2c, pmsg->buf[j], ++ REG_DATAOUT_REG); ++ /* start transfer */ ++ if (j == 0) { ++ barrier(); ++ rt_i2c_w32(i2c, cmd, REG_STARTXFR_REG); ++ } ++ /* wait */ ++ if ((ret = rt_i2c_wait_tx_done(i2c))) ++ goto err_timeout; ++ j++; ++ } while (j < pmsg->len); ++ } ++ } ++ /* the return value is number of executed messages */ ++ ret = i; ++ ++ return ret; ++ ++err_timeout: ++ rt_i2c_dump_reg(i2c); ++ rt_i2c_reset(i2c); ++ return ret; ++} ++ ++static u32 rt_i2c_func(struct i2c_adapter *a) ++{ ++ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; ++} ++ ++static const struct i2c_algorithm rt_i2c_algo = { ++ .master_xfer = rt_i2c_master_xfer, ++ .functionality = rt_i2c_func, ++}; ++ ++static const struct of_device_id i2c_rt_dt_ids[] = { ++ { .compatible = "ralink,rt2880-i2c" }, ++ { /* sentinel */ } ++}; ++ ++MODULE_DEVICE_TABLE(of, i2c_rt_dt_ids); ++ ++static struct i2c_adapter_quirks rt_i2c_quirks = { ++ .max_write_len = BYTECNT_MAX, ++ .max_read_len = BYTECNT_MAX, ++}; ++ ++static int rt_i2c_init(struct rt_i2c *i2c) ++{ ++ u32 reg; ++ ++ /* i2c_sclk = periph_clk / ((2 * clk_div) + 5) */ ++ i2c->clk_div = (clk_get_rate(i2c->clk) - (5 * i2c->cur_clk)) / ++ (2 * i2c->cur_clk); ++ if (i2c->clk_div < 8) ++ i2c->clk_div = 8; ++ if (i2c->clk_div > I2C_CLKDIV_MASK) ++ i2c->clk_div = I2C_CLKDIV_MASK; ++ ++ /* check support combinde/repeated start message */ ++ rt_i2c_w32(i2c, NOSTOP_CMD, REG_STARTXFR_REG); ++ reg = rt_i2c_r32(i2c, REG_STARTXFR_REG) & NOSTOP_CMD; ++ ++ rt_i2c_reset(i2c); ++ ++ return reg; ++} ++ ++static int rt_i2c_probe(struct platform_device *pdev) ++{ ++ struct resource *res; ++ struct rt_i2c *i2c; ++ struct i2c_adapter *adap; ++ const struct of_device_id *match; ++ int ret, restart; ++ ++ match = of_match_device(i2c_rt_dt_ids, &pdev->dev); ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ if (!res) { ++ dev_err(&pdev->dev, "no memory resource found\n"); ++ return -ENODEV; ++ } ++ ++ i2c = devm_kzalloc(&pdev->dev, sizeof(struct rt_i2c), GFP_KERNEL); ++ if (!i2c) { ++ dev_err(&pdev->dev, "failed to allocate i2c_adapter\n"); ++ return -ENOMEM; ++ } ++ ++ i2c->base = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(i2c->base)) ++ return PTR_ERR(i2c->base); ++ ++ i2c->clk = devm_clk_get(&pdev->dev, NULL); ++ if (IS_ERR(i2c->clk)) { ++ dev_err(&pdev->dev, "no clock defined\n"); ++ return -ENODEV; ++ } ++ clk_prepare_enable(i2c->clk); ++ i2c->dev = &pdev->dev; ++ ++ if (of_property_read_u32(pdev->dev.of_node, ++ "clock-frequency", &i2c->cur_clk)) ++ i2c->cur_clk = 100000; ++ ++ adap = &i2c->adap; ++ adap->owner = THIS_MODULE; ++ adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; ++ adap->algo = &rt_i2c_algo; ++ adap->retries = 3; ++ adap->dev.parent = &pdev->dev; ++ i2c_set_adapdata(adap, i2c); ++ adap->dev.of_node = pdev->dev.of_node; ++ strlcpy(adap->name, dev_name(&pdev->dev), sizeof(adap->name)); ++ adap->quirks = &rt_i2c_quirks; ++ ++ platform_set_drvdata(pdev, i2c); ++ ++ restart = rt_i2c_init(i2c); ++ ++ ret = i2c_add_adapter(adap); ++ if (ret < 0) { ++ dev_err(&pdev->dev, "failed to add adapter\n"); ++ clk_disable_unprepare(i2c->clk); ++ return ret; ++ } ++ ++ dev_info(&pdev->dev, "clock %uKHz, re-start %ssupport\n", ++ i2c->cur_clk/1000, restart ? "" : "not "); ++ ++ return ret; ++} ++ ++static int rt_i2c_remove(struct platform_device *pdev) ++{ ++ struct rt_i2c *i2c = platform_get_drvdata(pdev); ++ ++ i2c_del_adapter(&i2c->adap); ++ clk_disable_unprepare(i2c->clk); ++ ++ return 0; ++} ++ ++static struct platform_driver rt_i2c_driver = { ++ .probe = rt_i2c_probe, ++ .remove = rt_i2c_remove, ++ .driver = { ++ .owner = THIS_MODULE, ++ .name = "i2c-ralink", ++ .of_match_table = i2c_rt_dt_ids, ++ }, ++}; ++ ++static int __init i2c_rt_init (void) ++{ ++ return platform_driver_register(&rt_i2c_driver); ++} ++subsys_initcall(i2c_rt_init); ++ ++static void __exit i2c_rt_exit (void) ++{ ++ platform_driver_unregister(&rt_i2c_driver); ++} ++module_exit(i2c_rt_exit); ++ ++MODULE_AUTHOR("Steven Liu "); ++MODULE_DESCRIPTION("Ralink I2c host driver"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS("platform:Ralink-I2C"); diff --git a/target/linux/ramips/patches-6.1/830-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch b/target/linux/ramips/patches-6.1/830-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch new file mode 100644 index 0000000000..37a10589a3 --- /dev/null +++ b/target/linux/ramips/patches-6.1/830-mmc-MIPS-ralink-add-sdhci-for-mt7620a-SoC.patch @@ -0,0 +1,46 @@ +From 23147af14531cbdada194b94120ef8774f46292d Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Thu, 13 Nov 2014 19:08:40 +0100 +Subject: [PATCH 46/53] mmc: MIPS: ralink: add sdhci for mt7620a SoC + +Signed-off-by: John Crispin +--- + drivers/mmc/host/Kconfig | 2 + + drivers/mmc/host/Makefile | 1 + + drivers/mmc/host/mtk-mmc/Kconfig | 16 + + drivers/mmc/host/mtk-mmc/Makefile | 42 + + drivers/mmc/host/mtk-mmc/board.h | 137 ++ + drivers/mmc/host/mtk-mmc/dbg.c | 347 ++++ + drivers/mmc/host/mtk-mmc/dbg.h | 156 ++ + drivers/mmc/host/mtk-mmc/mt6575_sd.h | 1001 +++++++++++ + drivers/mmc/host/mtk-mmc/sd.c | 3060 ++++++++++++++++++++++++++++++++++ + 9 files changed, 4762 insertions(+) + create mode 100644 drivers/mmc/host/mtk-mmc/Kconfig + create mode 100644 drivers/mmc/host/mtk-mmc/Makefile + create mode 100644 drivers/mmc/host/mtk-mmc/board.h + create mode 100644 drivers/mmc/host/mtk-mmc/dbg.c + create mode 100644 drivers/mmc/host/mtk-mmc/dbg.h + create mode 100644 drivers/mmc/host/mtk-mmc/mt6575_sd.h + create mode 100644 drivers/mmc/host/mtk-mmc/sd.c + +--- a/drivers/mmc/host/Kconfig ++++ b/drivers/mmc/host/Kconfig +@@ -1102,6 +1102,8 @@ config MMC_OWL + config MMC_SDHCI_EXTERNAL_DMA + bool + ++source "drivers/mmc/host/mtk-mmc/Kconfig" ++ + config MMC_LITEX + tristate "LiteX MMC Host Controller support" + depends on ((PPC_MICROWATT || LITEX) && OF && HAVE_CLK) || COMPILE_TEST +--- a/drivers/mmc/host/Makefile ++++ b/drivers/mmc/host/Makefile +@@ -3,6 +3,7 @@ + # Makefile for MMC/SD host controller drivers + # + ++obj-$(CONFIG_MTK_MMC) += mtk-mmc/ + obj-$(CONFIG_MMC_ARMMMCI) += armmmci.o + armmmci-y := mmci.o + armmmci-$(CONFIG_MMC_QCOM_DML) += mmci_qcom_dml.o diff --git a/target/linux/ramips/patches-6.1/835-asoc-add-mt7620-support.patch b/target/linux/ramips/patches-6.1/835-asoc-add-mt7620-support.patch new file mode 100644 index 0000000000..57f0ec2c50 --- /dev/null +++ b/target/linux/ramips/patches-6.1/835-asoc-add-mt7620-support.patch @@ -0,0 +1,1031 @@ +From 7f29222b1731e8182ba94a331531dec18865a1e4 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 27 Jul 2014 09:31:47 +0100 +Subject: [PATCH 48/53] asoc: add mt7620 support + +Signed-off-by: John Crispin +--- + arch/mips/ralink/of.c | 2 + + sound/soc/Kconfig | 1 + + sound/soc/Makefile | 1 + + sound/soc/ralink/Kconfig | 15 ++ + sound/soc/ralink/Makefile | 11 + + sound/soc/ralink/mt7620-i2s.c | 436 ++++++++++++++++++++++++++++++++++++++ + sound/soc/ralink/mt7620-wm8960.c | 233 ++++++++++++++++++++ + 7 files changed, 699 insertions(+) + create mode 100644 sound/soc/ralink/Kconfig + create mode 100644 sound/soc/ralink/Makefile + create mode 100644 sound/soc/ralink/mt7620-i2s.c + create mode 100644 sound/soc/ralink/mt7620-wm8960.c + +--- a/sound/soc/Kconfig ++++ b/sound/soc/Kconfig +@@ -86,6 +86,7 @@ source "sound/soc/mxs/Kconfig" + source "sound/soc/pxa/Kconfig" + source "sound/soc/qcom/Kconfig" + source "sound/soc/rockchip/Kconfig" ++source "sound/soc/ralink/Kconfig" + source "sound/soc/samsung/Kconfig" + source "sound/soc/sh/Kconfig" + source "sound/soc/sof/Kconfig" +--- a/sound/soc/Makefile ++++ b/sound/soc/Makefile +@@ -54,6 +54,7 @@ obj-$(CONFIG_SND_SOC) += kirkwood/ + obj-$(CONFIG_SND_SOC) += pxa/ + obj-$(CONFIG_SND_SOC) += qcom/ + obj-$(CONFIG_SND_SOC) += rockchip/ ++obj-$(CONFIG_SND_SOC) += ralink/ + obj-$(CONFIG_SND_SOC) += samsung/ + obj-$(CONFIG_SND_SOC) += sh/ + obj-$(CONFIG_SND_SOC) += sof/ +--- /dev/null ++++ b/sound/soc/ralink/Kconfig +@@ -0,0 +1,8 @@ ++config SND_RALINK_SOC_I2S ++ depends on RALINK && SND_SOC && !SOC_RT288X ++ select SND_SOC_GENERIC_DMAENGINE_PCM ++ select REGMAP_MMIO ++ tristate "SoC Audio (I2S protocol) for Ralink SoC" ++ help ++ Say Y if you want to use I2S protocol and I2S codec on Ralink/MediaTek ++ based boards. +--- /dev/null ++++ b/sound/soc/ralink/Makefile +@@ -0,0 +1,6 @@ ++# ++# Ralink/MediaTek Platform Support ++# ++snd-soc-ralink-i2s-objs := ralink-i2s.o ++ ++obj-$(CONFIG_SND_RALINK_SOC_I2S) += snd-soc-ralink-i2s.o +--- /dev/null ++++ b/sound/soc/ralink/ralink-i2s.c +@@ -0,0 +1,968 @@ ++/* ++ * Copyright (C) 2010, Lars-Peter Clausen ++ * Copyright (C) 2016 Michael Lee ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License as published by the ++ * Free Software Foundation; either version 2 of the License, or (at your ++ * option) any later version. ++ * ++ * You should have received a copy of the GNU General Public License along ++ * with this program; if not, write to the Free Software Foundation, Inc., ++ * 675 Mass Ave, Cambridge, MA 02139, USA. ++ * ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++ ++#define DRV_NAME "ralink-i2s" ++ ++#define I2S_REG_CFG0 0x00 ++#define I2S_REG_INT_STATUS 0x04 ++#define I2S_REG_INT_EN 0x08 ++#define I2S_REG_FF_STATUS 0x0c ++#define I2S_REG_WREG 0x10 ++#define I2S_REG_RREG 0x14 ++#define I2S_REG_CFG1 0x18 ++#define I2S_REG_DIVCMP 0x20 ++#define I2S_REG_DIVINT 0x24 ++ ++/* I2S_REG_CFG0 */ ++#define I2S_REG_CFG0_EN BIT(31) ++#define I2S_REG_CFG0_DMA_EN BIT(30) ++#define I2S_REG_CFG0_BYTE_SWAP BIT(28) ++#define I2S_REG_CFG0_TX_EN BIT(24) ++#define I2S_REG_CFG0_RX_EN BIT(20) ++#define I2S_REG_CFG0_SLAVE BIT(16) ++#define I2S_REG_CFG0_RX_THRES 12 ++#define I2S_REG_CFG0_TX_THRES 4 ++#define I2S_REG_CFG0_THRES_MASK (0xf << I2S_REG_CFG0_RX_THRES) | \ ++ (4 << I2S_REG_CFG0_TX_THRES) ++#define I2S_REG_CFG0_DFT_THRES (4 << I2S_REG_CFG0_RX_THRES) | \ ++ (4 << I2S_REG_CFG0_TX_THRES) ++/* RT305x */ ++#define I2S_REG_CFG0_CLK_DIS BIT(8) ++#define I2S_REG_CFG0_TXCH_SWAP BIT(3) ++#define I2S_REG_CFG0_TXCH1_OFF BIT(2) ++#define I2S_REG_CFG0_TXCH0_OFF BIT(1) ++#define I2S_REG_CFG0_SLAVE_EN BIT(0) ++/* RT3883 */ ++#define I2S_REG_CFG0_RXCH_SWAP BIT(11) ++#define I2S_REG_CFG0_RXCH1_OFF BIT(10) ++#define I2S_REG_CFG0_RXCH0_OFF BIT(9) ++#define I2S_REG_CFG0_WS_INV BIT(0) ++/* MT7628 */ ++#define I2S_REG_CFG0_FMT_LE BIT(29) ++#define I2S_REG_CFG0_SYS_BE BIT(28) ++#define I2S_REG_CFG0_NORM_24 BIT(18) ++#define I2S_REG_CFG0_DATA_24 BIT(17) ++ ++/* I2S_REG_INT_STATUS */ ++#define I2S_REG_INT_RX_FAULT BIT(7) ++#define I2S_REG_INT_RX_OVRUN BIT(6) ++#define I2S_REG_INT_RX_UNRUN BIT(5) ++#define I2S_REG_INT_RX_THRES BIT(4) ++#define I2S_REG_INT_TX_FAULT BIT(3) ++#define I2S_REG_INT_TX_OVRUN BIT(2) ++#define I2S_REG_INT_TX_UNRUN BIT(1) ++#define I2S_REG_INT_TX_THRES BIT(0) ++#define I2S_REG_INT_TX_MASK 0xf ++#define I2S_REG_INT_RX_MASK 0xf0 ++ ++/* I2S_REG_INT_STATUS */ ++#define I2S_RX_AVCNT(x) ((x >> 4) & 0xf) ++#define I2S_TX_AVCNT(x) (x & 0xf) ++/* MT7628 */ ++#define MT7628_I2S_RX_AVCNT(x) ((x >> 8) & 0x1f) ++#define MT7628_I2S_TX_AVCNT(x) (x & 0x1f) ++ ++/* I2S_REG_CFG1 */ ++#define I2S_REG_CFG1_LBK BIT(31) ++#define I2S_REG_CFG1_EXTLBK BIT(30) ++/* RT3883 */ ++#define I2S_REG_CFG1_LEFT_J BIT(0) ++#define I2S_REG_CFG1_RIGHT_J BIT(1) ++#define I2S_REG_CFG1_FMT_MASK 0x3 ++ ++/* I2S_REG_DIVCMP */ ++#define I2S_REG_DIVCMP_CLKEN BIT(31) ++#define I2S_REG_DIVCMP_DIVCOMP_MASK 0x1ff ++ ++/* I2S_REG_DIVINT */ ++#define I2S_REG_DIVINT_MASK 0x3ff ++ ++/* BCLK dividers */ ++#define RALINK_I2S_DIVCMP 0 ++#define RALINK_I2S_DIVINT 1 ++ ++/* FIFO */ ++#define RALINK_I2S_FIFO_SIZE 32 ++ ++/* feature flags */ ++#define RALINK_FLAGS_TXONLY BIT(0) ++#define RALINK_FLAGS_LEFT_J BIT(1) ++#define RALINK_FLAGS_RIGHT_J BIT(2) ++#define RALINK_FLAGS_ENDIAN BIT(3) ++#define RALINK_FLAGS_24BIT BIT(4) ++ ++#define RALINK_I2S_INT_EN 0 ++ ++struct ralink_i2s_stats { ++ u32 dmafault; ++ u32 overrun; ++ u32 underrun; ++ u32 belowthres; ++}; ++ ++struct ralink_i2s { ++ struct device *dev; ++ void __iomem *regs; ++ struct clk *clk; ++ struct regmap *regmap; ++ u32 flags; ++ unsigned int fmt; ++ u16 txdma_req; ++ u16 rxdma_req; ++ ++ struct snd_dmaengine_dai_dma_data playback_dma_data; ++ struct snd_dmaengine_dai_dma_data capture_dma_data; ++ ++ struct dentry *dbg_dir; ++ struct dentry *dbg_stats; ++ struct ralink_i2s_stats txstats; ++ struct ralink_i2s_stats rxstats; ++}; ++ ++static void ralink_i2s_dump_regs(struct ralink_i2s *i2s) ++{ ++ u32 buf[10]; ++ int ret; ++ ++ ret = regmap_bulk_read(i2s->regmap, I2S_REG_CFG0, ++ buf, ARRAY_SIZE(buf)); ++ ++ dev_dbg(i2s->dev, "CFG0: %08x, INTSTAT: %08x, INTEN: %08x, " \ ++ "FFSTAT: %08x, WREG: %08x, RREG: %08x, " \ ++ "CFG1: %08x, DIVCMP: %08x, DIVINT: %08x\n", ++ buf[0], buf[1], buf[2], buf[3], buf[4], ++ buf[5], buf[6], buf[8], buf[9]); ++} ++ ++static int ralink_i2s_set_sysclk(struct snd_soc_dai *dai, ++ int clk_id, unsigned int freq, int dir) ++{ ++ return 0; ++} ++ ++static int ralink_i2s_set_sys_bclk(struct snd_soc_dai *dai, int width, int rate) ++{ ++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ unsigned long clk = clk_get_rate(i2s->clk); ++ int div; ++ uint32_t data; ++ ++ /* disable clock at slave mode */ ++ if ((i2s->fmt & SND_SOC_DAIFMT_MASTER_MASK) == ++ SND_SOC_DAIFMT_CBM_CFM) { ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_CLK_DIS, ++ I2S_REG_CFG0_CLK_DIS); ++ return 0; ++ } ++ ++ /* FREQOUT = FREQIN / (I2S_CLK_DIV + 1) */ ++ div = (clk / rate ) - 1; ++ ++ data = rt_sysc_r32(0x30); ++ data &= (0xff << 8); ++ data |= (0x1 << 15) | (div << 8); ++ rt_sysc_w32(data, 0x30); ++ ++ /* enable clock */ ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, I2S_REG_CFG0_CLK_DIS, 0); ++ ++ dev_dbg(i2s->dev, "clk: %lu, rate: %u, div: %d\n", ++ clk, rate, div); ++ ++ return 0; ++} ++ ++static int ralink_i2s_set_bclk(struct snd_soc_dai *dai, int width, int rate) ++{ ++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ unsigned long clk = clk_get_rate(i2s->clk); ++ int divint, divcomp; ++ ++ /* disable clock at slave mode */ ++ if ((i2s->fmt & SND_SOC_DAIFMT_MASTER_MASK) == ++ SND_SOC_DAIFMT_CBM_CFM) { ++ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP, ++ I2S_REG_DIVCMP_CLKEN, 0); ++ return 0; ++ } ++ ++ /* FREQOUT = FREQIN * (1/2) * (1/(DIVINT + DIVCOMP/512)) */ ++ clk = clk / (2 * 2 * width); ++ divint = clk / rate; ++ divcomp = ((clk % rate) * 512) / rate; ++ ++ if ((divint > I2S_REG_DIVINT_MASK) || ++ (divcomp > I2S_REG_DIVCMP_DIVCOMP_MASK)) ++ return -EINVAL; ++ ++ regmap_update_bits(i2s->regmap, I2S_REG_DIVINT, ++ I2S_REG_DIVINT_MASK, divint); ++ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP, ++ I2S_REG_DIVCMP_DIVCOMP_MASK, divcomp); ++ ++ /* enable clock */ ++ regmap_update_bits(i2s->regmap, I2S_REG_DIVCMP, I2S_REG_DIVCMP_CLKEN, ++ I2S_REG_DIVCMP_CLKEN); ++ ++ dev_dbg(i2s->dev, "clk: %lu, rate: %u, int: %d, comp: %d\n", ++ clk_get_rate(i2s->clk), rate, divint, divcomp); ++ ++ return 0; ++} ++ ++static int ralink_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) ++{ ++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ unsigned int cfg0 = 0, cfg1 = 0; ++ ++ /* set master/slave audio interface */ ++ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { ++ case SND_SOC_DAIFMT_CBM_CFM: ++ if (i2s->flags & RALINK_FLAGS_TXONLY) ++ cfg0 |= I2S_REG_CFG0_SLAVE_EN; ++ else ++ cfg0 |= I2S_REG_CFG0_SLAVE; ++ break; ++ case SND_SOC_DAIFMT_CBS_CFS: ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ /* interface format */ ++ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { ++ case SND_SOC_DAIFMT_I2S: ++ break; ++ case SND_SOC_DAIFMT_RIGHT_J: ++ if (i2s->flags & RALINK_FLAGS_RIGHT_J) { ++ cfg1 |= I2S_REG_CFG1_RIGHT_J; ++ break; ++ } ++ return -EINVAL; ++ case SND_SOC_DAIFMT_LEFT_J: ++ if (i2s->flags & RALINK_FLAGS_LEFT_J) { ++ cfg1 |= I2S_REG_CFG1_LEFT_J; ++ break; ++ } ++ return -EINVAL; ++ default: ++ return -EINVAL; ++ } ++ ++ /* clock inversion */ ++ switch (fmt & SND_SOC_DAIFMT_INV_MASK) { ++ case SND_SOC_DAIFMT_NB_NF: ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ if (i2s->flags & RALINK_FLAGS_TXONLY) { ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_SLAVE_EN, cfg0); ++ } else { ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_SLAVE, cfg0); ++ } ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG1, ++ I2S_REG_CFG1_FMT_MASK, cfg1); ++ i2s->fmt = fmt; ++ ++ return 0; ++} ++ ++static int ralink_i2s_startup(struct snd_pcm_substream *substream, ++ struct snd_soc_dai *dai) ++{ ++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ ++ if (snd_soc_dai_active(dai)) ++ return 0; ++ ++ /* setup status interrupt */ ++#if (RALINK_I2S_INT_EN) ++ regmap_write(i2s->regmap, I2S_REG_INT_EN, 0xff); ++#else ++ regmap_write(i2s->regmap, I2S_REG_INT_EN, 0x0); ++#endif ++ ++ /* enable */ ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_EN | I2S_REG_CFG0_DMA_EN | ++ I2S_REG_CFG0_THRES_MASK, ++ I2S_REG_CFG0_EN | I2S_REG_CFG0_DMA_EN | ++ I2S_REG_CFG0_DFT_THRES); ++ ++ return 0; ++} ++ ++static void ralink_i2s_shutdown(struct snd_pcm_substream *substream, ++ struct snd_soc_dai *dai) ++{ ++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ ++ /* If both streams are stopped, disable module and clock */ ++ if (snd_soc_dai_active(dai)) ++ return; ++ ++ /* ++ * datasheet mention when disable all control regs are cleared ++ * to initial values. need reinit at startup. ++ */ ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, I2S_REG_CFG0_EN, 0); ++} ++ ++static int ralink_i2s_hw_params(struct snd_pcm_substream *substream, ++ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) ++{ ++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ int width; ++ int ret; ++ ++ width = params_width(params); ++ switch (width) { ++ case 16: ++ if (i2s->flags & RALINK_FLAGS_24BIT) ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_DATA_24, 0); ++ break; ++ case 24: ++ if (i2s->flags & RALINK_FLAGS_24BIT) { ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_DATA_24, ++ I2S_REG_CFG0_DATA_24); ++ break; ++ } ++ return -EINVAL; ++ default: ++ return -EINVAL; ++ } ++ ++ switch (params_channels(params)) { ++ case 2: ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ if (i2s->flags & RALINK_FLAGS_ENDIAN) { ++ /* system endian */ ++#ifdef SNDRV_LITTLE_ENDIAN ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_SYS_BE, 0); ++#else ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_SYS_BE, ++ I2S_REG_CFG0_SYS_BE); ++#endif ++ ++ /* data endian */ ++ switch (params_format(params)) { ++ case SNDRV_PCM_FORMAT_S16_LE: ++ case SNDRV_PCM_FORMAT_S24_LE: ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_FMT_LE, ++ I2S_REG_CFG0_FMT_LE); ++ break; ++ case SNDRV_PCM_FORMAT_S16_BE: ++ case SNDRV_PCM_FORMAT_S24_BE: ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, ++ I2S_REG_CFG0_FMT_LE, 0); ++ break; ++ default: ++ return -EINVAL; ++ } ++ } ++ ++ /* setup bclk rate */ ++ if (i2s->flags & RALINK_FLAGS_TXONLY) ++ ret = ralink_i2s_set_sys_bclk(dai, width, params_rate(params)); ++ else ++ ret = ralink_i2s_set_bclk(dai, width, params_rate(params)); ++ ++ return ret; ++} ++ ++static int ralink_i2s_trigger(struct snd_pcm_substream *substream, int cmd, ++ struct snd_soc_dai *dai) ++{ ++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ unsigned int mask, val; ++ ++ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ++ mask = I2S_REG_CFG0_TX_EN; ++ else ++ mask = I2S_REG_CFG0_RX_EN; ++ ++ switch (cmd) { ++ case SNDRV_PCM_TRIGGER_START: ++ case SNDRV_PCM_TRIGGER_RESUME: ++ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: ++ val = mask; ++ break; ++ case SNDRV_PCM_TRIGGER_STOP: ++ case SNDRV_PCM_TRIGGER_SUSPEND: ++ case SNDRV_PCM_TRIGGER_PAUSE_PUSH: ++ val = 0; ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ regmap_update_bits(i2s->regmap, I2S_REG_CFG0, mask, val); ++ ++ return 0; ++} ++ ++static void ralink_i2s_init_dma_data(struct ralink_i2s *i2s, ++ struct resource *res) ++{ ++ struct snd_dmaengine_dai_dma_data *dma_data; ++ ++ /* Playback */ ++ dma_data = &i2s->playback_dma_data; ++ dma_data->addr = res->start + I2S_REG_WREG; ++ dma_data->addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; ++ dma_data->maxburst = 1; ++ ++ if (i2s->flags & RALINK_FLAGS_TXONLY) ++ return; ++ ++ /* Capture */ ++ dma_data = &i2s->capture_dma_data; ++ dma_data->addr = res->start + I2S_REG_RREG; ++ dma_data->addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; ++ dma_data->maxburst = 1; ++} ++ ++static int ralink_i2s_dai_probe(struct snd_soc_dai *dai) ++{ ++ struct ralink_i2s *i2s = snd_soc_dai_get_drvdata(dai); ++ ++ snd_soc_dai_init_dma_data(dai, &i2s->playback_dma_data, ++ &i2s->capture_dma_data); ++ ++ return 0; ++} ++ ++static int ralink_i2s_dai_remove(struct snd_soc_dai *dai) ++{ ++ return 0; ++} ++ ++static const struct snd_soc_dai_ops ralink_i2s_dai_ops = { ++ .set_sysclk = ralink_i2s_set_sysclk, ++ .set_fmt = ralink_i2s_set_fmt, ++ .startup = ralink_i2s_startup, ++ .shutdown = ralink_i2s_shutdown, ++ .hw_params = ralink_i2s_hw_params, ++ .trigger = ralink_i2s_trigger, ++}; ++ ++static struct snd_soc_dai_driver ralink_i2s_dai = { ++ .name = DRV_NAME, ++ .probe = ralink_i2s_dai_probe, ++ .remove = ralink_i2s_dai_remove, ++ .ops = &ralink_i2s_dai_ops, ++ .capture = { ++ .stream_name = "I2S Capture", ++ .channels_min = 2, ++ .channels_max = 2, ++ .rate_min = 5512, ++ .rate_max = 192000, ++ .rates = SNDRV_PCM_RATE_CONTINUOUS, ++ .formats = SNDRV_PCM_FMTBIT_S16_LE, ++ }, ++ .playback = { ++ .stream_name = "I2S Playback", ++ .channels_min = 2, ++ .channels_max = 2, ++ .rate_min = 5512, ++ .rate_max = 192000, ++ .rates = SNDRV_PCM_RATE_CONTINUOUS, ++ .formats = SNDRV_PCM_FMTBIT_S16_LE, ++ }, ++ .symmetric_rate = 1, ++}; ++ ++static struct snd_pcm_hardware ralink_pcm_hardware = { ++ .info = SNDRV_PCM_INFO_MMAP | ++ SNDRV_PCM_INFO_MMAP_VALID | ++ SNDRV_PCM_INFO_INTERLEAVED | ++ SNDRV_PCM_INFO_BLOCK_TRANSFER, ++ .formats = SNDRV_PCM_FMTBIT_S16_LE, ++ .channels_min = 2, ++ .channels_max = 2, ++ .period_bytes_min = PAGE_SIZE, ++ .period_bytes_max = PAGE_SIZE * 2, ++ .periods_min = 2, ++ .periods_max = 128, ++ .buffer_bytes_max = 128 * 1024, ++ .fifo_size = RALINK_I2S_FIFO_SIZE, ++}; ++ ++static const struct snd_dmaengine_pcm_config ralink_dmaengine_pcm_config = { ++ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config, ++ .pcm_hardware = &ralink_pcm_hardware, ++ .prealloc_buffer_size = 256 * PAGE_SIZE, ++}; ++ ++static const struct snd_soc_component_driver ralink_i2s_component = { ++ .name = DRV_NAME, ++}; ++ ++static bool ralink_i2s_readable_reg(struct device *dev, unsigned int reg) ++{ ++ return true; ++} ++ ++static bool ralink_i2s_volatile_reg(struct device *dev, unsigned int reg) ++{ ++ switch (reg) { ++ case I2S_REG_INT_STATUS: ++ case I2S_REG_FF_STATUS: ++ return true; ++ } ++ return false; ++} ++ ++static bool ralink_i2s_writeable_reg(struct device *dev, unsigned int reg) ++{ ++ switch (reg) { ++ case I2S_REG_FF_STATUS: ++ case I2S_REG_RREG: ++ return false; ++ } ++ return true; ++} ++ ++static const struct regmap_config ralink_i2s_regmap_config = { ++ .reg_bits = 32, ++ .reg_stride = 4, ++ .val_bits = 32, ++ .writeable_reg = ralink_i2s_writeable_reg, ++ .readable_reg = ralink_i2s_readable_reg, ++ .volatile_reg = ralink_i2s_volatile_reg, ++ .max_register = I2S_REG_DIVINT, ++}; ++ ++#if (RALINK_I2S_INT_EN) ++static irqreturn_t ralink_i2s_irq(int irq, void *devid) ++{ ++ struct ralink_i2s *i2s = devid; ++ u32 status; ++ ++ regmap_read(i2s->regmap, I2S_REG_INT_STATUS, &status); ++ if (unlikely(!status)) ++ return IRQ_NONE; ++ ++ /* tx stats */ ++ if (status & I2S_REG_INT_TX_MASK) { ++ if (status & I2S_REG_INT_TX_THRES) ++ i2s->txstats.belowthres++; ++ if (status & I2S_REG_INT_TX_UNRUN) ++ i2s->txstats.underrun++; ++ if (status & I2S_REG_INT_TX_OVRUN) ++ i2s->txstats.overrun++; ++ if (status & I2S_REG_INT_TX_FAULT) ++ i2s->txstats.dmafault++; ++ } ++ ++ /* rx stats */ ++ if (status & I2S_REG_INT_RX_MASK) { ++ if (status & I2S_REG_INT_RX_THRES) ++ i2s->rxstats.belowthres++; ++ if (status & I2S_REG_INT_RX_UNRUN) ++ i2s->rxstats.underrun++; ++ if (status & I2S_REG_INT_RX_OVRUN) ++ i2s->rxstats.overrun++; ++ if (status & I2S_REG_INT_RX_FAULT) ++ i2s->rxstats.dmafault++; ++ } ++ ++ /* clean status bits */ ++ regmap_write(i2s->regmap, I2S_REG_INT_STATUS, status); ++ ++ return IRQ_HANDLED; ++} ++#endif ++ ++#if IS_ENABLED(CONFIG_DEBUG_FS) ++static int ralink_i2s_stats_show(struct seq_file *s, void *unused) ++{ ++ struct ralink_i2s *i2s = s->private; ++ ++ seq_printf(s, "tx stats\n"); ++ seq_printf(s, "\tbelow threshold\t%u\n", i2s->txstats.belowthres); ++ seq_printf(s, "\tunder run\t%u\n", i2s->txstats.underrun); ++ seq_printf(s, "\tover run\t%u\n", i2s->txstats.overrun); ++ seq_printf(s, "\tdma fault\t%u\n", i2s->txstats.dmafault); ++ ++ seq_printf(s, "rx stats\n"); ++ seq_printf(s, "\tbelow threshold\t%u\n", i2s->rxstats.belowthres); ++ seq_printf(s, "\tunder run\t%u\n", i2s->rxstats.underrun); ++ seq_printf(s, "\tover run\t%u\n", i2s->rxstats.overrun); ++ seq_printf(s, "\tdma fault\t%u\n", i2s->rxstats.dmafault); ++ ++ ralink_i2s_dump_regs(i2s); ++ ++ return 0; ++} ++ ++static int ralink_i2s_stats_open(struct inode *inode, struct file *file) ++{ ++ return single_open(file, ralink_i2s_stats_show, inode->i_private); ++} ++ ++static const struct file_operations ralink_i2s_stats_ops = { ++ .open = ralink_i2s_stats_open, ++ .read = seq_read, ++ .llseek = seq_lseek, ++ .release = single_release, ++}; ++ ++static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s) ++{ ++ i2s->dbg_dir = debugfs_create_dir(dev_name(i2s->dev), NULL); ++ if (!i2s->dbg_dir) ++ return -ENOMEM; ++ ++ i2s->dbg_stats = debugfs_create_file("stats", S_IRUGO, ++ i2s->dbg_dir, i2s, &ralink_i2s_stats_ops); ++ if (!i2s->dbg_stats) { ++ debugfs_remove(i2s->dbg_dir); ++ return -ENOMEM; ++ } ++ ++ return 0; ++} ++ ++static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s) ++{ ++ debugfs_remove(i2s->dbg_stats); ++ debugfs_remove(i2s->dbg_dir); ++} ++#else ++static inline int ralink_i2s_debugfs_create(struct ralink_i2s *i2s) ++{ ++ return 0; ++} ++ ++static inline void ralink_i2s_debugfs_remove(struct ralink_i2s *i2s) ++{ ++} ++#endif ++ ++/* ++ * TODO: these refclk setup functions should use ++ * clock framework instead. hardcode it now. ++ */ ++static void rt3350_refclk_setup(void) ++{ ++ uint32_t data; ++ ++ /* set refclk output 12Mhz clock */ ++ data = rt_sysc_r32(0x2c); ++ data |= (0x1 << 8); ++ rt_sysc_w32(data, 0x2c); ++} ++ ++static void rt3883_refclk_setup(void) ++{ ++ uint32_t data; ++ ++ /* set refclk output 12Mhz clock */ ++ data = rt_sysc_r32(0x2c); ++ data &= ~(0x3 << 13); ++ data |= (0x1 << 13); ++ rt_sysc_w32(data, 0x2c); ++} ++ ++static void rt3552_refclk_setup(void) ++{ ++ uint32_t data; ++ ++ /* set refclk output 12Mhz clock */ ++ data = rt_sysc_r32(0x2c); ++ data &= ~(0xf << 8); ++ data |= (0x3 << 8); ++ rt_sysc_w32(data, 0x2c); ++} ++ ++static void mt7620_refclk_setup(void) ++{ ++ uint32_t data; ++ ++ /* set refclk output 12Mhz clock */ ++ data = rt_sysc_r32(0x2c); ++ data &= ~(0x7 << 9); ++ data |= 0x1 << 9; ++ rt_sysc_w32(data, 0x2c); ++} ++ ++static void mt7621_refclk_setup(void) ++{ ++ uint32_t data; ++ ++ /* set refclk output 12Mhz clock */ ++ data = rt_sysc_r32(0x2c); ++ data &= ~(0x1f << 18); ++ data |= (0x19 << 18); ++ data &= ~(0x1f << 12); ++ data |= (0x1 << 12); ++ data &= ~(0x7 << 9); ++ data |= (0x5 << 9); ++ rt_sysc_w32(data, 0x2c); ++} ++ ++static void mt7628_refclk_setup(void) ++{ ++ uint32_t data; ++ ++ /* set i2s and refclk digital pad */ ++ data = rt_sysc_r32(0x3c); ++ data |= 0x1f; ++ rt_sysc_w32(data, 0x3c); ++ ++ /* Adjust REFCLK0's driving strength */ ++ data = rt_sysc_r32(0x1354); ++ data &= ~(0x1 << 5); ++ rt_sysc_w32(data, 0x1354); ++ data = rt_sysc_r32(0x1364); ++ data |= ~(0x1 << 5); ++ rt_sysc_w32(data, 0x1364); ++ ++ /* set refclk output 12Mhz clock */ ++ data = rt_sysc_r32(0x2c); ++ data &= ~(0x7 << 9); ++ data |= 0x1 << 9; ++ rt_sysc_w32(data, 0x2c); ++} ++ ++struct rt_i2s_data { ++ u32 flags; ++ void (*refclk_setup)(void); ++}; ++ ++struct rt_i2s_data rt3050_i2s_data = { .flags = RALINK_FLAGS_TXONLY }; ++struct rt_i2s_data rt3350_i2s_data = { .flags = RALINK_FLAGS_TXONLY, ++ .refclk_setup = rt3350_refclk_setup }; ++struct rt_i2s_data rt3883_i2s_data = { ++ .flags = (RALINK_FLAGS_LEFT_J | RALINK_FLAGS_RIGHT_J), ++ .refclk_setup = rt3883_refclk_setup }; ++struct rt_i2s_data rt3352_i2s_data = { .refclk_setup = rt3552_refclk_setup}; ++struct rt_i2s_data mt7620_i2s_data = { .refclk_setup = mt7620_refclk_setup}; ++struct rt_i2s_data mt7621_i2s_data = { .refclk_setup = mt7621_refclk_setup}; ++struct rt_i2s_data mt7628_i2s_data = { ++ .flags = (RALINK_FLAGS_ENDIAN | RALINK_FLAGS_24BIT | ++ RALINK_FLAGS_LEFT_J), ++ .refclk_setup = mt7628_refclk_setup}; ++ ++static const struct of_device_id ralink_i2s_match_table[] = { ++ { .compatible = "ralink,rt3050-i2s", ++ .data = (void *)&rt3050_i2s_data }, ++ { .compatible = "ralink,rt3350-i2s", ++ .data = (void *)&rt3350_i2s_data }, ++ { .compatible = "ralink,rt3883-i2s", ++ .data = (void *)&rt3883_i2s_data }, ++ { .compatible = "ralink,rt3352-i2s", ++ .data = (void *)&rt3352_i2s_data }, ++ { .compatible = "mediatek,mt7620-i2s", ++ .data = (void *)&mt7620_i2s_data }, ++ { .compatible = "mediatek,mt7621-i2s", ++ .data = (void *)&mt7621_i2s_data }, ++ { .compatible = "mediatek,mt7628-i2s", ++ .data = (void *)&mt7628_i2s_data }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, ralink_i2s_match_table); ++ ++static int ralink_i2s_probe(struct platform_device *pdev) ++{ ++ const struct of_device_id *match; ++ struct device_node *np = pdev->dev.of_node; ++ struct ralink_i2s *i2s; ++ struct resource *res; ++ int irq, ret; ++ u32 dma_req; ++ struct rt_i2s_data *data; ++ ++ i2s = devm_kzalloc(&pdev->dev, sizeof(*i2s), GFP_KERNEL); ++ if (!i2s) ++ return -ENOMEM; ++ ++ platform_set_drvdata(pdev, i2s); ++ i2s->dev = &pdev->dev; ++ ++ match = of_match_device(ralink_i2s_match_table, &pdev->dev); ++ if (!match) ++ return -EINVAL; ++ data = (struct rt_i2s_data *)match->data; ++ i2s->flags = data->flags; ++ /* setup out 12Mhz refclk to codec as mclk */ ++ if (data->refclk_setup) ++ data->refclk_setup(); ++ ++ if (of_property_read_u32(np, "txdma-req", &dma_req)) { ++ dev_err(&pdev->dev, "no txdma-req define\n"); ++ return -EINVAL; ++ } ++ i2s->txdma_req = (u16)dma_req; ++ if (!(i2s->flags & RALINK_FLAGS_TXONLY)) { ++ if (of_property_read_u32(np, "rxdma-req", &dma_req)) { ++ dev_err(&pdev->dev, "no rxdma-req define\n"); ++ return -EINVAL; ++ } ++ i2s->rxdma_req = (u16)dma_req; ++ } ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ i2s->regs = devm_ioremap_resource(&pdev->dev, res); ++ if (IS_ERR(i2s->regs)) ++ return PTR_ERR(i2s->regs); ++ ++ i2s->regmap = devm_regmap_init_mmio(&pdev->dev, i2s->regs, ++ &ralink_i2s_regmap_config); ++ if (IS_ERR(i2s->regmap)) { ++ dev_err(&pdev->dev, "regmap init failed\n"); ++ return PTR_ERR(i2s->regmap); ++ } ++ ++ irq = platform_get_irq(pdev, 0); ++ if (irq < 0) { ++ dev_err(&pdev->dev, "failed to get irq\n"); ++ return -EINVAL; ++ } ++ ++#if (RALINK_I2S_INT_EN) ++ ret = devm_request_irq(&pdev->dev, irq, ralink_i2s_irq, ++ 0, dev_name(&pdev->dev), i2s); ++ if (ret) { ++ dev_err(&pdev->dev, "failed to request irq\n"); ++ return ret; ++ } ++#endif ++ ++ i2s->clk = devm_clk_get(&pdev->dev, NULL); ++ if (IS_ERR(i2s->clk)) { ++ dev_err(&pdev->dev, "no clock defined\n"); ++ return PTR_ERR(i2s->clk); ++ } ++ ++ ret = clk_prepare_enable(i2s->clk); ++ if (ret) ++ return ret; ++ ++ ralink_i2s_init_dma_data(i2s, res); ++ ++ ret = device_reset(&pdev->dev); ++ if (ret) { ++ dev_err(&pdev->dev, "failed to reset device\n"); ++ goto err_clk_disable; ++ } ++ ++ ret = ralink_i2s_debugfs_create(i2s); ++ if (ret) { ++ dev_err(&pdev->dev, "create debugfs failed\n"); ++ goto err_clk_disable; ++ } ++ ++ /* enable 24bits support */ ++ if (i2s->flags & RALINK_FLAGS_24BIT) { ++ ralink_i2s_dai.capture.formats |= SNDRV_PCM_FMTBIT_S24_LE; ++ ralink_i2s_dai.playback.formats |= SNDRV_PCM_FMTBIT_S24_LE; ++ } ++ ++ /* enable big endian support */ ++ if (i2s->flags & RALINK_FLAGS_ENDIAN) { ++ ralink_i2s_dai.capture.formats |= SNDRV_PCM_FMTBIT_S16_BE; ++ ralink_i2s_dai.playback.formats |= SNDRV_PCM_FMTBIT_S16_BE; ++ ralink_pcm_hardware.formats |= SNDRV_PCM_FMTBIT_S16_BE; ++ if (i2s->flags & RALINK_FLAGS_24BIT) { ++ ralink_i2s_dai.capture.formats |= ++ SNDRV_PCM_FMTBIT_S24_BE; ++ ralink_i2s_dai.playback.formats |= ++ SNDRV_PCM_FMTBIT_S24_BE; ++ ralink_pcm_hardware.formats |= ++ SNDRV_PCM_FMTBIT_S24_BE; ++ } ++ } ++ ++ /* disable capture support */ ++ if (i2s->flags & RALINK_FLAGS_TXONLY) ++ memset(&ralink_i2s_dai.capture, sizeof(ralink_i2s_dai.capture), ++ 0); ++ ++ ret = devm_snd_soc_register_component(&pdev->dev, &ralink_i2s_component, ++ &ralink_i2s_dai, 1); ++ if (ret) ++ goto err_debugfs; ++ ++ ret = devm_snd_dmaengine_pcm_register(&pdev->dev, ++ &ralink_dmaengine_pcm_config, ++ SND_DMAENGINE_PCM_FLAG_COMPAT); ++ if (ret) ++ goto err_debugfs; ++ ++ dev_info(i2s->dev, "mclk %luMHz\n", clk_get_rate(i2s->clk) / 1000000); ++ ++ return 0; ++ ++err_debugfs: ++ ralink_i2s_debugfs_remove(i2s); ++ ++err_clk_disable: ++ clk_disable_unprepare(i2s->clk); ++ ++ return ret; ++} ++ ++static int ralink_i2s_remove(struct platform_device *pdev) ++{ ++ struct ralink_i2s *i2s = platform_get_drvdata(pdev); ++ ++ ralink_i2s_debugfs_remove(i2s); ++ clk_disable_unprepare(i2s->clk); ++ ++ return 0; ++} ++ ++static struct platform_driver ralink_i2s_driver = { ++ .probe = ralink_i2s_probe, ++ .remove = ralink_i2s_remove, ++ .driver = { ++ .name = DRV_NAME, ++ .of_match_table = ralink_i2s_match_table, ++ }, ++}; ++module_platform_driver(ralink_i2s_driver); ++ ++MODULE_AUTHOR("Lars-Peter Clausen, "); ++MODULE_DESCRIPTION("Ralink/MediaTek I2S driver"); ++MODULE_LICENSE("GPL"); ++MODULE_ALIAS("platform:" DRV_NAME); diff --git a/target/linux/ramips/patches-6.1/840-serial-add-ugly-custom-baud-rate-hack.patch b/target/linux/ramips/patches-6.1/840-serial-add-ugly-custom-baud-rate-hack.patch new file mode 100644 index 0000000000..42a15a935c --- /dev/null +++ b/target/linux/ramips/patches-6.1/840-serial-add-ugly-custom-baud-rate-hack.patch @@ -0,0 +1,22 @@ +From a7eb46e0ea4a11e4dfb56ab129bf816d1059a6c5 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Mon, 7 Dec 2015 17:31:08 +0100 +Subject: [PATCH 51/53] serial: add ugly custom baud rate hack + +Signed-off-by: John Crispin +--- + drivers/tty/serial/serial_core.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/tty/serial/serial_core.c ++++ b/drivers/tty/serial/serial_core.c +@@ -445,6 +445,9 @@ uart_get_baud_rate(struct uart_port *por + break; + } + ++ if (tty_termios_baud_rate(termios) == 2500000) ++ return 250000; ++ + for (try = 0; try < 2; try++) { + baud = tty_termios_baud_rate(termios); + diff --git a/target/linux/ramips/patches-6.1/845-pwm-add-mediatek-support.patch b/target/linux/ramips/patches-6.1/845-pwm-add-mediatek-support.patch new file mode 100644 index 0000000000..ab164f5ab8 --- /dev/null +++ b/target/linux/ramips/patches-6.1/845-pwm-add-mediatek-support.patch @@ -0,0 +1,241 @@ +From fc8f96309c21c1bc3276427309cd7d361347d66e Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Mon, 7 Dec 2015 17:16:50 +0100 +Subject: [PATCH 52/53] pwm: add mediatek support + +Signed-off-by: John Crispin +--- + drivers/pwm/Kconfig | 9 +++ + drivers/pwm/Makefile | 1 + + drivers/pwm/pwm-mediatek.c | 173 ++++++++++++++++++++++++++++++++++++++++++++ + 3 files changed, 183 insertions(+) + create mode 100644 drivers/pwm/pwm-mediatek.c + +--- a/drivers/pwm/Kconfig ++++ b/drivers/pwm/Kconfig +@@ -393,6 +393,15 @@ config PWM_MEDIATEK + To compile this driver as a module, choose M here: the module + will be called pwm-mediatek. + ++config PWM_MEDIATEK_RAMIPS ++ tristate "Mediatek PWM support" ++ depends on RALINK && OF ++ help ++ Generic PWM framework driver for Mediatek ARM SoC. ++ ++ To compile this driver as a module, choose M here: the module ++ will be called pwm-mxs. ++ + config PWM_MXS + tristate "Freescale MXS PWM support" + depends on ARCH_MXS || COMPILE_TEST +--- a/drivers/pwm/Makefile ++++ b/drivers/pwm/Makefile +@@ -34,6 +34,7 @@ obj-$(CONFIG_PWM_LPSS_PCI) += pwm-lpss-p + obj-$(CONFIG_PWM_LPSS_PLATFORM) += pwm-lpss-platform.o + obj-$(CONFIG_PWM_MESON) += pwm-meson.o + obj-$(CONFIG_PWM_MEDIATEK) += pwm-mediatek.o ++obj-$(CONFIG_PWM_MEDIATEK_RAMIPS) += pwm-mediatek-ramips.o + obj-$(CONFIG_PWM_MTK_DISP) += pwm-mtk-disp.o + obj-$(CONFIG_PWM_MXS) += pwm-mxs.o + obj-$(CONFIG_PWM_NTXEC) += pwm-ntxec.o +--- /dev/null ++++ b/drivers/pwm/pwm-mediatek-ramips.c +@@ -0,0 +1,197 @@ ++/* ++ * Mediatek Pulse Width Modulator driver ++ * ++ * Copyright (C) 2015 John Crispin ++ * ++ * This file is licensed under the terms of the GNU General Public ++ * License version 2. This program is licensed "as is" without any ++ * warranty of any kind, whether express or implied. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#define NUM_PWM 4 ++ ++/* PWM registers and bits definitions */ ++#define PWMCON 0x00 ++#define PWMHDUR 0x04 ++#define PWMLDUR 0x08 ++#define PWMGDUR 0x0c ++#define PWMWAVENUM 0x28 ++#define PWMDWIDTH 0x2c ++#define PWMTHRES 0x30 ++ ++/** ++ * struct mtk_pwm_chip - struct representing pwm chip ++ * ++ * @mmio_base: base address of pwm chip ++ * @chip: linux pwm chip representation ++ */ ++struct mtk_pwm_chip { ++ void __iomem *mmio_base; ++ struct pwm_chip chip; ++}; ++ ++static inline struct mtk_pwm_chip *to_mtk_pwm_chip(struct pwm_chip *chip) ++{ ++ return container_of(chip, struct mtk_pwm_chip, chip); ++} ++ ++static inline u32 mtk_pwm_readl(struct mtk_pwm_chip *chip, unsigned int num, ++ unsigned long offset) ++{ ++ return ioread32(chip->mmio_base + 0x10 + (num * 0x40) + offset); ++} ++ ++static inline void mtk_pwm_writel(struct mtk_pwm_chip *chip, ++ unsigned int num, unsigned long offset, ++ unsigned long val) ++{ ++ iowrite32(val, chip->mmio_base + 0x10 + (num * 0x40) + offset); ++} ++ ++static int mtk_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, ++ int duty_ns, int period_ns) ++{ ++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); ++ u32 resolution = 100 / 4; ++ u32 clkdiv = 0; ++ ++ while (period_ns / resolution > 8191) { ++ clkdiv++; ++ resolution *= 2; ++ } ++ ++ if (clkdiv > 7) ++ return -1; ++ ++ mtk_pwm_writel(pc, pwm->hwpwm, PWMCON, BIT(15) | BIT(3) | clkdiv); ++ mtk_pwm_writel(pc, pwm->hwpwm, PWMDWIDTH, period_ns / resolution); ++ mtk_pwm_writel(pc, pwm->hwpwm, PWMTHRES, duty_ns / resolution); ++ return 0; ++} ++ ++static int mtk_pwm_enable(struct pwm_chip *chip, struct pwm_device *pwm) ++{ ++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); ++ u32 val; ++ ++ val = ioread32(pc->mmio_base); ++ val |= BIT(pwm->hwpwm); ++ iowrite32(val, pc->mmio_base); ++ ++ return 0; ++} ++ ++static void mtk_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) ++{ ++ struct mtk_pwm_chip *pc = to_mtk_pwm_chip(chip); ++ u32 val; ++ ++ val = ioread32(pc->mmio_base); ++ val &= ~BIT(pwm->hwpwm); ++ iowrite32(val, pc->mmio_base); ++} ++ ++static int mtk_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, ++ const struct pwm_state *state) ++{ ++ int err; ++ bool enabled = pwm->state.enabled; ++ ++ if (!state->enabled) { ++ if (enabled) ++ mtk_pwm_disable(chip, pwm); ++ ++ return 0; ++ } ++ ++ err = mtk_pwm_config(pwm->chip, pwm, ++ state->duty_cycle, state->period); ++ if (err) ++ return err; ++ ++ if (!enabled) ++ err = mtk_pwm_enable(chip, pwm); ++ ++ return err; ++} ++ ++static const struct pwm_ops mtk_pwm_ops = { ++ .apply = mtk_pwm_apply, ++ .owner = THIS_MODULE, ++}; ++ ++static int mtk_pwm_probe(struct platform_device *pdev) ++{ ++ struct mtk_pwm_chip *pc; ++ struct resource *r; ++ int ret; ++ ++ pc = devm_kzalloc(&pdev->dev, sizeof(*pc), GFP_KERNEL); ++ if (!pc) ++ return -ENOMEM; ++ ++ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ pc->mmio_base = devm_ioremap_resource(&pdev->dev, r); ++ if (IS_ERR(pc->mmio_base)) ++ return PTR_ERR(pc->mmio_base); ++ ++ platform_set_drvdata(pdev, pc); ++ ++ pc->chip.dev = &pdev->dev; ++ pc->chip.ops = &mtk_pwm_ops; ++ pc->chip.base = -1; ++ pc->chip.npwm = NUM_PWM; ++ ++ ret = pwmchip_add(&pc->chip); ++ if (ret < 0) ++ dev_err(&pdev->dev, "pwmchip_add() failed: %d\n", ret); ++ ++ return ret; ++} ++ ++static int mtk_pwm_remove(struct platform_device *pdev) ++{ ++ struct mtk_pwm_chip *pc = platform_get_drvdata(pdev); ++ int i; ++ ++ for (i = 0; i < NUM_PWM; i++) ++ pwm_disable(&pc->chip.pwms[i]); ++ ++ pwmchip_remove(&pc->chip); ++ ++ return 0; ++} ++ ++static const struct of_device_id mtk_pwm_of_match[] = { ++ { .compatible = "mediatek,mt7628-pwm" }, ++ { } ++}; ++ ++MODULE_DEVICE_TABLE(of, mtk_pwm_of_match); ++ ++static struct platform_driver mtk_pwm_driver = { ++ .driver = { ++ .name = "mtk-pwm", ++ .owner = THIS_MODULE, ++ .of_match_table = mtk_pwm_of_match, ++ }, ++ .probe = mtk_pwm_probe, ++ .remove = mtk_pwm_remove, ++}; ++ ++module_platform_driver(mtk_pwm_driver); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("John Crispin "); ++MODULE_ALIAS("platform:mtk-pwm"); diff --git a/target/linux/ramips/patches-6.1/850-awake-rt305x-dwc2-controller.patch b/target/linux/ramips/patches-6.1/850-awake-rt305x-dwc2-controller.patch new file mode 100644 index 0000000000..01ce44d700 --- /dev/null +++ b/target/linux/ramips/patches-6.1/850-awake-rt305x-dwc2-controller.patch @@ -0,0 +1,15 @@ +--- a/drivers/usb/dwc2/platform.c ++++ b/drivers/usb/dwc2/platform.c +@@ -462,6 +462,12 @@ static int dwc2_driver_probe(struct plat + if (retval) + return retval; + ++ /* Enable USB port before any regs access */ ++ if (readl(hsotg->regs + PCGCTL) & 0x0f) { ++ writel(0x00, hsotg->regs + PCGCTL); ++ /* TODO: mdelay(25) here? vendor driver don't use it */ ++ } ++ + hsotg->needs_byte_swap = dwc2_check_core_endianness(hsotg); + + retval = dwc2_get_dr_mode(hsotg); diff --git a/target/linux/ramips/patches-6.1/855-linkit_bootstrap.patch b/target/linux/ramips/patches-6.1/855-linkit_bootstrap.patch new file mode 100644 index 0000000000..cd81601a72 --- /dev/null +++ b/target/linux/ramips/patches-6.1/855-linkit_bootstrap.patch @@ -0,0 +1,97 @@ +--- a/drivers/misc/Makefile ++++ b/drivers/misc/Makefile +@@ -50,6 +50,7 @@ obj-$(CONFIG_ECHO) += echo/ + obj-$(CONFIG_CXL_BASE) += cxl/ + obj-$(CONFIG_DW_XDATA_PCIE) += dw-xdata-pcie.o + obj-$(CONFIG_PCI_ENDPOINT_TEST) += pci_endpoint_test.o ++obj-$(CONFIG_SOC_MT7620) += linkit.o + obj-$(CONFIG_OCXL) += ocxl/ + obj-$(CONFIG_BCM_VK) += bcm-vk/ + obj-y += cardreader/ +--- /dev/null ++++ b/drivers/misc/linkit.c +@@ -0,0 +1,84 @@ ++/* ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * publishhed by the Free Software Foundation. ++ * ++ * Copyright (C) 2015 John Crispin ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++ ++#define LINKIT_LATCH_GPIO 11 ++ ++struct linkit_hw_data { ++ char board[16]; ++ char rev[16]; ++}; ++ ++static void sanify_string(char *s) ++{ ++ int i; ++ ++ for (i = 0; i < 15; i++) ++ if (s[i] <= 0x20) ++ s[i] = '\0'; ++ s[15] = '\0'; ++} ++ ++static int linkit_probe(struct platform_device *pdev) ++{ ++ struct linkit_hw_data hw; ++ struct mtd_info *mtd; ++ size_t retlen; ++ int ret; ++ ++ mtd = get_mtd_device_nm("factory"); ++ if (IS_ERR(mtd)) ++ return PTR_ERR(mtd); ++ ++ ret = mtd_read(mtd, 0x400, sizeof(hw), &retlen, (u_char *) &hw); ++ put_mtd_device(mtd); ++ ++ sanify_string(hw.board); ++ sanify_string(hw.rev); ++ ++ dev_info(&pdev->dev, "Version : %s\n", hw.board); ++ dev_info(&pdev->dev, "Revision : %s\n", hw.rev); ++ ++ if (!strcmp(hw.board, "LINKITS7688")) { ++ dev_info(&pdev->dev, "setting up bootstrap latch\n"); ++ ++ if (devm_gpio_request(&pdev->dev, LINKIT_LATCH_GPIO, "bootstrap")) { ++ dev_err(&pdev->dev, "failed to setup bootstrap gpio\n"); ++ return -1; ++ } ++ gpio_direction_output(LINKIT_LATCH_GPIO, 0); ++ } ++ ++ return 0; ++} ++ ++static const struct of_device_id linkit_match[] = { ++ { .compatible = "mediatek,linkit" }, ++ {}, ++}; ++MODULE_DEVICE_TABLE(of, linkit_match); ++ ++static struct platform_driver linkit_driver = { ++ .probe = linkit_probe, ++ .driver = { ++ .name = "mtk-linkit", ++ .owner = THIS_MODULE, ++ .of_match_table = linkit_match, ++ }, ++}; ++ ++int __init linkit_init(void) ++{ ++ return platform_driver_register(&linkit_driver); ++} ++late_initcall_sync(linkit_init); diff --git a/target/linux/ramips/patches-6.1/860-ramips-add-eip93-driver.patch b/target/linux/ramips/patches-6.1/860-ramips-add-eip93-driver.patch new file mode 100644 index 0000000000..275b81e715 --- /dev/null +++ b/target/linux/ramips/patches-6.1/860-ramips-add-eip93-driver.patch @@ -0,0 +1,3276 @@ +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/Kconfig +@@ -0,0 +1,64 @@ ++# SPDX-License-Identifier: GPL-2.0 ++config CRYPTO_DEV_EIP93_SKCIPHER ++ tristate ++ ++config CRYPTO_DEV_EIP93_HMAC ++ tristate ++ ++config CRYPTO_DEV_EIP93 ++ tristate "Support for EIP93 crypto HW accelerators" ++ depends on SOC_MT7621 || COMPILE_TEST ++ help ++ EIP93 have various crypto HW accelerators. Select this if ++ you want to use the EIP93 modules for any of the crypto algorithms. ++ ++if CRYPTO_DEV_EIP93 ++ ++config CRYPTO_DEV_EIP93_AES ++ bool "Register AES algorithm implementations with the Crypto API" ++ default y ++ select CRYPTO_DEV_EIP93_SKCIPHER ++ select CRYPTO_LIB_AES ++ select CRYPTO_SKCIPHER ++ help ++ Selecting this will offload AES - ECB, CBC and CTR crypto ++ to the EIP-93 crypto engine. ++ ++config CRYPTO_DEV_EIP93_DES ++ bool "Register legacy DES / 3DES algorithm with the Crypto API" ++ default y ++ select CRYPTO_DEV_EIP93_SKCIPHER ++ select CRYPTO_LIB_DES ++ select CRYPTO_SKCIPHER ++ help ++ Selecting this will offload DES and 3DES ECB and CBC ++ crypto to the EIP-93 crypto engine. ++ ++config CRYPTO_DEV_EIP93_AEAD ++ bool "Register AEAD algorithm with the Crypto API" ++ default y ++ select CRYPTO_DEV_EIP93_HMAC ++ select CRYPTO_AEAD ++ select CRYPTO_AUTHENC ++ select CRYPTO_MD5 ++ select CRYPTO_SHA1 ++ select CRYPTO_SHA256 ++ help ++ Selecting this will offload AEAD authenc(hmac(x), cipher(y)) ++ crypto to the EIP-93 crypto engine. ++ ++config CRYPTO_DEV_EIP93_GENERIC_SW_MAX_LEN ++ int "Max skcipher software fallback length" ++ default 256 ++ help ++ Max length of crypt request which ++ will fallback to software crypt of skcipher *except* AES-128. ++ ++config CRYPTO_DEV_EIP93_AES_128_SW_MAX_LEN ++ int "Max AES-128 skcipher software fallback length" ++ default 512 ++ help ++ Max length of crypt request which ++ will fallback to software crypt of AES-128 skcipher. ++ ++endif +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/Makefile +@@ -0,0 +1,7 @@ ++obj-$(CONFIG_CRYPTO_DEV_EIP93) += crypto-hw-eip93.o ++ ++crypto-hw-eip93-y += eip93-main.o eip93-common.o ++ ++crypto-hw-eip93-$(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER) += eip93-cipher.o ++crypto-hw-eip93-$(CONFIG_CRYPTO_DEV_EIP93_AEAD) += eip93-aead.o ++ +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-aead.c +@@ -0,0 +1,768 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++#include ++#endif ++ ++#include ++#include ++ ++#include "eip93-aead.h" ++#include "eip93-cipher.h" ++#include "eip93-common.h" ++#include "eip93-regs.h" ++ ++void mtk_aead_handle_result(struct crypto_async_request *async, int err) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm); ++ struct mtk_device *mtk = ctx->mtk; ++ struct aead_request *req = aead_request_cast(async); ++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req); ++ ++ mtk_unmap_dma(mtk, rctx, req->src, req->dst); ++ mtk_handle_result(mtk, rctx, req->iv); ++ ++ if (err == 1) ++ err = -EBADMSG; ++ /* let software handle anti-replay errors */ ++ if (err == 4) ++ err = 0; ++ ++ aead_request_complete(req, err); ++} ++ ++static int mtk_aead_send_req(struct crypto_async_request *async) ++{ ++ struct aead_request *req = aead_request_cast(async); ++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req); ++ int err; ++ ++ err = check_valid_request(rctx); ++ if (err) { ++ aead_request_complete(req, err); ++ return err; ++ } ++ ++ return mtk_send_req(async, req->iv, rctx); ++} ++ ++/* Crypto aead API functions */ ++static int mtk_aead_cra_init(struct crypto_tfm *tfm) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm); ++ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg, ++ struct mtk_alg_template, alg.aead.base); ++ u32 flags = tmpl->flags; ++ char *alg_base; ++ ++ crypto_aead_set_reqsize(__crypto_aead_cast(tfm), ++ sizeof(struct mtk_cipher_reqctx)); ++ ++ ctx->mtk = tmpl->mtk; ++ ctx->in_first = true; ++ ctx->out_first = true; ++ ++ ctx->sa_in = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL); ++ if (!ctx->sa_in) ++ return -ENOMEM; ++ ++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ ++ ctx->sa_out = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL); ++ if (!ctx->sa_out) ++ return -ENOMEM; ++ ++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ ++ /* software workaround for now */ ++ if (IS_HASH_MD5(flags)) ++ alg_base = "md5"; ++ if (IS_HASH_SHA1(flags)) ++ alg_base = "sha1"; ++ if (IS_HASH_SHA224(flags)) ++ alg_base = "sha224"; ++ if (IS_HASH_SHA256(flags)) ++ alg_base = "sha256"; ++ ++ ctx->shash = crypto_alloc_shash(alg_base, 0, CRYPTO_ALG_NEED_FALLBACK); ++ ++ if (IS_ERR(ctx->shash)) { ++ dev_err(ctx->mtk->dev, "base driver %s could not be loaded.\n", ++ alg_base); ++ return PTR_ERR(ctx->shash); ++ } ++ ++ return 0; ++} ++ ++static void mtk_aead_cra_exit(struct crypto_tfm *tfm) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ if (ctx->shash) ++ crypto_free_shash(ctx->shash); ++ ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ kfree(ctx->sa_in); ++ kfree(ctx->sa_out); ++} ++ ++static int mtk_aead_setkey(struct crypto_aead *ctfm, const u8 *key, ++ unsigned int len) ++{ ++ struct crypto_tfm *tfm = crypto_aead_tfm(ctfm); ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm); ++ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg, ++ struct mtk_alg_template, alg.skcipher.base); ++ u32 flags = tmpl->flags; ++ u32 nonce = 0; ++ struct crypto_authenc_keys keys; ++ struct crypto_aes_ctx aes; ++ struct saRecord_s *saRecord = ctx->sa_out; ++ int sa_size = sizeof(struct saRecord_s); ++ int err = -EINVAL; ++ ++ ++ if (crypto_authenc_extractkeys(&keys, key, len)) ++ return err; ++ ++ if (IS_RFC3686(flags)) { ++ if (keys.enckeylen < CTR_RFC3686_NONCE_SIZE) ++ return err; ++ ++ keys.enckeylen -= CTR_RFC3686_NONCE_SIZE; ++ memcpy(&nonce, keys.enckey + keys.enckeylen, ++ CTR_RFC3686_NONCE_SIZE); ++ } ++ ++ switch ((flags & MTK_ALG_MASK)) { ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++ case MTK_ALG_DES: ++ err = verify_aead_des_key(ctfm, keys.enckey, keys.enckeylen); ++ break; ++ case MTK_ALG_3DES: ++ if (keys.enckeylen != DES3_EDE_KEY_SIZE) ++ return -EINVAL; ++ ++ err = verify_aead_des3_key(ctfm, keys.enckey, keys.enckeylen); ++ break; ++#endif ++ case MTK_ALG_AES: ++ err = aes_expandkey(&aes, keys.enckey, keys.enckeylen); ++ } ++ if (err) ++ return err; ++ ++ ctx->blksize = crypto_aead_blocksize(ctfm); ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, sa_size, ++ DMA_TO_DEVICE); ++ ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, sa_size, ++ DMA_TO_DEVICE); ++ /* Encryption key */ ++ mtk_set_saRecord(saRecord, keys.enckeylen, flags); ++ saRecord->saCmd0.bits.opCode = 1; ++ saRecord->saCmd0.bits.digestLength = ctx->authsize >> 2; ++ ++ memcpy(saRecord->saKey, keys.enckey, keys.enckeylen); ++ ctx->saNonce = nonce; ++ saRecord->saNonce = nonce; ++ ++ /* authentication key */ ++ err = mtk_authenc_setkey(ctx->shash, saRecord, keys.authkey, ++ keys.authkeylen); ++ ++ saRecord->saCmd0.bits.direction = 0; ++ memcpy(ctx->sa_in, saRecord, sa_size); ++ ctx->sa_in->saCmd0.bits.direction = 1; ++ ctx->sa_in->saCmd1.bits.copyDigest = 0; ++ ++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, sa_size, ++ DMA_TO_DEVICE); ++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, sa_size, ++ DMA_TO_DEVICE); ++ ctx->in_first = true; ++ ctx->out_first = true; ++ ++ return err; ++} ++ ++static int mtk_aead_setauthsize(struct crypto_aead *ctfm, ++ unsigned int authsize) ++{ ++ struct crypto_tfm *tfm = crypto_aead_tfm(ctfm); ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ ++ ctx->authsize = authsize; ++ ctx->sa_in->saCmd0.bits.digestLength = ctx->authsize >> 2; ++ ctx->sa_out->saCmd0.bits.digestLength = ctx->authsize >> 2; ++ ++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ return 0; ++} ++ ++static void mtk_aead_setassoc(struct mtk_crypto_ctx *ctx, ++ struct aead_request *req, bool in) ++{ ++ struct saRecord_s *saRecord; ++ ++ if (in) { ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ saRecord = ctx->sa_in; ++ saRecord->saCmd1.bits.hashCryptOffset = req->assoclen >> 2; ++ ++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ ctx->assoclen_in = req->assoclen; ++ } else { ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ saRecord = ctx->sa_out; ++ saRecord->saCmd1.bits.hashCryptOffset = req->assoclen >> 2; ++ ++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ ctx->assoclen_out = req->assoclen; ++ } ++} ++ ++static int mtk_aead_crypt(struct aead_request *req) ++{ ++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req); ++ struct crypto_async_request *async = &req->base; ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm); ++ struct crypto_aead *aead = crypto_aead_reqtfm(req); ++ ++ rctx->textsize = req->cryptlen; ++ rctx->blksize = ctx->blksize; ++ rctx->assoclen = req->assoclen; ++ rctx->authsize = ctx->authsize; ++ rctx->sg_src = req->src; ++ rctx->sg_dst = req->dst; ++ rctx->ivsize = crypto_aead_ivsize(aead); ++ rctx->flags |= MTK_DESC_AEAD; ++ ++ if IS_DECRYPT(rctx->flags) ++ rctx->textsize -= rctx->authsize; ++ ++ return mtk_aead_send_req(async); ++} ++ ++static int mtk_aead_encrypt(struct aead_request *req) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm); ++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req); ++ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg, ++ struct mtk_alg_template, alg.aead.base); ++ ++ rctx->flags = tmpl->flags; ++ rctx->flags |= MTK_ENCRYPT; ++ if (ctx->out_first) { ++ mtk_aead_setassoc(ctx, req, false); ++ ctx->out_first = false; ++ } ++ ++ if (req->assoclen != ctx->assoclen_out) { ++ dev_err(ctx->mtk->dev, "Request AAD length error\n"); ++ return -EINVAL; ++ } ++ ++ rctx->saRecord_base = ctx->sa_base_out; ++ ++ return mtk_aead_crypt(req); ++} ++ ++static int mtk_aead_decrypt(struct aead_request *req) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm); ++ struct mtk_cipher_reqctx *rctx = aead_request_ctx(req); ++ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg, ++ struct mtk_alg_template, alg.aead.base); ++ ++ rctx->flags = tmpl->flags; ++ rctx->flags |= MTK_DECRYPT; ++ if (ctx->in_first) { ++ mtk_aead_setassoc(ctx, req, true); ++ ctx->in_first = false; ++ } ++ ++ if (req->assoclen != ctx->assoclen_in) { ++ dev_err(ctx->mtk->dev, "Request AAD length error\n"); ++ return -EINVAL; ++ } ++ ++ rctx->saRecord_base = ctx->sa_base_in; ++ ++ return mtk_aead_crypt(req); ++} ++ ++/* Available authenc algorithms in this module */ ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES) ++struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_aes = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_AES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = AES_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = MD5_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(md5),cbc(aes))", ++ .cra_driver_name = ++ "authenc(hmac(md5-eip93), cbc(aes-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = AES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_aes = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_AES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = AES_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA1_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha1),cbc(aes))", ++ .cra_driver_name = ++ "authenc(hmac(sha1-eip93),cbc(aes-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = AES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_aes = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_AES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = AES_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA224_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha224),cbc(aes))", ++ .cra_driver_name = ++ "authenc(hmac(sha224-eip93),cbc(aes-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = AES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_aes = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_AES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = AES_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA256_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha256),cbc(aes))", ++ .cra_driver_name = ++ "authenc(hmac(sha256-eip93),cbc(aes-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = AES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_md5_rfc3686_aes = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | ++ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = CTR_RFC3686_IV_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = MD5_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(md5),rfc3686(ctr(aes)))", ++ .cra_driver_name = ++ "authenc(hmac(md5-eip93),rfc3686(ctr(aes-eip93)))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = 1, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha1_rfc3686_aes = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | ++ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = CTR_RFC3686_IV_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA1_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha1),rfc3686(ctr(aes)))", ++ .cra_driver_name = ++ "authenc(hmac(sha1-eip93),rfc3686(ctr(aes-eip93)))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = 1, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha224_rfc3686_aes = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | ++ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = CTR_RFC3686_IV_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA224_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha224),rfc3686(ctr(aes)))", ++ .cra_driver_name = ++ "authenc(hmac(sha224-eip93),rfc3686(ctr(aes-eip93)))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = 1, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha256_rfc3686_aes = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | ++ MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = CTR_RFC3686_IV_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA256_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha256),rfc3686(ctr(aes)))", ++ .cra_driver_name = ++ "authenc(hmac(sha256-eip93),rfc3686(ctr(aes-eip93)))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = 1, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_DES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = DES_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = MD5_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(md5),cbc(des))", ++ .cra_driver_name = ++ "authenc(hmac(md5-eip93),cbc(des-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_DES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = DES_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA1_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha1),cbc(des))", ++ .cra_driver_name = ++ "authenc(hmac(sha1-eip93),cbc(des-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_DES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = DES_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA224_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha224),cbc(des))", ++ .cra_driver_name = ++ "authenc(hmac(sha224-eip93),cbc(des-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_DES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = DES_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA256_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha256),cbc(des))", ++ .cra_driver_name = ++ "authenc(hmac(sha256-eip93),cbc(des-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des3_ede = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_MD5 | MTK_MODE_CBC | MTK_ALG_3DES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = DES3_EDE_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = MD5_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(md5),cbc(des3_ede))", ++ .cra_driver_name = ++ "authenc(hmac(md5-eip93),cbc(des3_ede-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES3_EDE_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0x0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des3_ede = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA1 | MTK_MODE_CBC | MTK_ALG_3DES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = DES3_EDE_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA1_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha1),cbc(des3_ede))", ++ .cra_driver_name = ++ "authenc(hmac(sha1-eip93),cbc(des3_ede-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES3_EDE_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0x0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des3_ede = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA224 | MTK_MODE_CBC | MTK_ALG_3DES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = DES3_EDE_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA224_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha224),cbc(des3_ede))", ++ .cra_driver_name = ++ "authenc(hmac(sha224-eip93),cbc(des3_ede-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES3_EDE_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0x0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des3_ede = { ++ .type = MTK_ALG_TYPE_AEAD, ++ .flags = MTK_HASH_HMAC | MTK_HASH_SHA256 | MTK_MODE_CBC | MTK_ALG_3DES, ++ .alg.aead = { ++ .setkey = mtk_aead_setkey, ++ .encrypt = mtk_aead_encrypt, ++ .decrypt = mtk_aead_decrypt, ++ .ivsize = DES3_EDE_BLOCK_SIZE, ++ .setauthsize = mtk_aead_setauthsize, ++ .maxauthsize = SHA256_DIGEST_SIZE, ++ .base = { ++ .cra_name = "authenc(hmac(sha256),cbc(des3_ede))", ++ .cra_driver_name = ++ "authenc(hmac(sha256-eip93),cbc(des3_ede-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES3_EDE_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0x0, ++ .cra_init = mtk_aead_cra_init, ++ .cra_exit = mtk_aead_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++#endif +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-aead.h +@@ -0,0 +1,31 @@ ++/* SPDX-License-Identifier: GPL-2.0 ++ * ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++#ifndef _EIP93_AEAD_H_ ++#define _EIP93_AEAD_H_ ++ ++extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_aes; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_aes; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_aes; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_aes; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_rfc3686_aes; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_rfc3686_aes; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_rfc3686_aes; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_rfc3686_aes; ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_md5_cbc_des3_ede; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha1_cbc_des3_ede; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha224_cbc_des3_ede; ++extern struct mtk_alg_template mtk_alg_authenc_hmac_sha256_cbc_des3_ede; ++#endif ++ ++void mtk_aead_handle_result(struct crypto_async_request *async, int err); ++ ++#endif /* _EIP93_AEAD_H_ */ +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-aes.h +@@ -0,0 +1,15 @@ ++/* SPDX-License-Identifier: GPL-2.0 ++ * ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++#ifndef _EIP93_AES_H_ ++#define _EIP93_AES_H_ ++ ++extern struct mtk_alg_template mtk_alg_ecb_aes; ++extern struct mtk_alg_template mtk_alg_cbc_aes; ++extern struct mtk_alg_template mtk_alg_ctr_aes; ++extern struct mtk_alg_template mtk_alg_rfc3686_aes; ++ ++#endif /* _EIP93_AES_H_ */ +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-cipher.c +@@ -0,0 +1,483 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++ ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES) ++#include ++#include ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++#include ++#endif ++#include ++ ++#include "eip93-cipher.h" ++#include "eip93-common.h" ++#include "eip93-regs.h" ++ ++void mtk_skcipher_handle_result(struct crypto_async_request *async, int err) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm); ++ struct mtk_device *mtk = ctx->mtk; ++ struct skcipher_request *req = skcipher_request_cast(async); ++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req); ++ ++ mtk_unmap_dma(mtk, rctx, req->src, req->dst); ++ mtk_handle_result(mtk, rctx, req->iv); ++ ++ skcipher_request_complete(req, err); ++} ++ ++static inline bool mtk_skcipher_is_fallback(const struct crypto_tfm *tfm, ++ u32 flags) ++{ ++ return (tfm->__crt_alg->cra_flags & CRYPTO_ALG_NEED_FALLBACK) && ++ !IS_RFC3686(flags); ++} ++ ++static int mtk_skcipher_send_req(struct crypto_async_request *async) ++{ ++ struct skcipher_request *req = skcipher_request_cast(async); ++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req); ++ int err; ++ ++ err = check_valid_request(rctx); ++ ++ if (err) { ++ skcipher_request_complete(req, err); ++ return err; ++ } ++ ++ return mtk_send_req(async, req->iv, rctx); ++} ++ ++/* Crypto skcipher API functions */ ++static int mtk_skcipher_cra_init(struct crypto_tfm *tfm) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm); ++ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg, ++ struct mtk_alg_template, alg.skcipher.base); ++ bool fallback = mtk_skcipher_is_fallback(tfm, tmpl->flags); ++ ++ if (fallback) { ++ ctx->fallback = crypto_alloc_skcipher( ++ crypto_tfm_alg_name(tfm), 0, CRYPTO_ALG_NEED_FALLBACK); ++ if (IS_ERR(ctx->fallback)) ++ return PTR_ERR(ctx->fallback); ++ } ++ ++ crypto_skcipher_set_reqsize( ++ __crypto_skcipher_cast(tfm), ++ sizeof(struct mtk_cipher_reqctx) + ++ (fallback ? crypto_skcipher_reqsize(ctx->fallback) : ++ 0)); ++ ++ ctx->mtk = tmpl->mtk; ++ ++ ctx->sa_in = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL); ++ if (!ctx->sa_in) ++ return -ENOMEM; ++ ++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ ++ ctx->sa_out = kzalloc(sizeof(struct saRecord_s), GFP_KERNEL); ++ if (!ctx->sa_out) ++ return -ENOMEM; ++ ++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ return 0; ++} ++ ++static void mtk_skcipher_cra_exit(struct crypto_tfm *tfm) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, ++ sizeof(struct saRecord_s), DMA_TO_DEVICE); ++ kfree(ctx->sa_in); ++ kfree(ctx->sa_out); ++ ++ crypto_free_skcipher(ctx->fallback); ++} ++ ++static int mtk_skcipher_setkey(struct crypto_skcipher *ctfm, const u8 *key, ++ unsigned int len) ++{ ++ struct crypto_tfm *tfm = crypto_skcipher_tfm(ctfm); ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(tfm); ++ struct mtk_alg_template *tmpl = container_of(tfm->__crt_alg, ++ struct mtk_alg_template, alg.skcipher.base); ++ struct saRecord_s *saRecord = ctx->sa_out; ++ u32 flags = tmpl->flags; ++ u32 nonce = 0; ++ unsigned int keylen = len; ++ int sa_size = sizeof(struct saRecord_s); ++ int err = -EINVAL; ++ ++ if (!key || !keylen) ++ return err; ++ ++ ctx->keylen = keylen; ++ ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES) ++ if (IS_RFC3686(flags)) { ++ if (len < CTR_RFC3686_NONCE_SIZE) ++ return err; ++ ++ keylen = len - CTR_RFC3686_NONCE_SIZE; ++ memcpy(&nonce, key + keylen, CTR_RFC3686_NONCE_SIZE); ++ } ++#endif ++ ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++ if (flags & MTK_ALG_DES) { ++ ctx->blksize = DES_BLOCK_SIZE; ++ err = verify_skcipher_des_key(ctfm, key); ++ } ++ if (flags & MTK_ALG_3DES) { ++ ctx->blksize = DES3_EDE_BLOCK_SIZE; ++ err = verify_skcipher_des3_key(ctfm, key); ++ } ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES) ++ if (flags & MTK_ALG_AES) { ++ struct crypto_aes_ctx aes; ++ bool fallback = mtk_skcipher_is_fallback(tfm, flags); ++ ++ if (fallback && !IS_RFC3686(flags)) { ++ err = crypto_skcipher_setkey(ctx->fallback, key, ++ keylen); ++ if (err) ++ return err; ++ } ++ ++ ctx->blksize = AES_BLOCK_SIZE; ++ err = aes_expandkey(&aes, key, keylen); ++ } ++#endif ++ if (err) ++ return err; ++ ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_in, sa_size, ++ DMA_TO_DEVICE); ++ ++ dma_unmap_single(ctx->mtk->dev, ctx->sa_base_out, sa_size, ++ DMA_TO_DEVICE); ++ ++ mtk_set_saRecord(saRecord, keylen, flags); ++ ++ memcpy(saRecord->saKey, key, keylen); ++ ctx->saNonce = nonce; ++ saRecord->saNonce = nonce; ++ saRecord->saCmd0.bits.direction = 0; ++ ++ memcpy(ctx->sa_in, saRecord, sa_size); ++ ctx->sa_in->saCmd0.bits.direction = 1; ++ ++ ctx->sa_base_out = dma_map_single(ctx->mtk->dev, ctx->sa_out, sa_size, ++ DMA_TO_DEVICE); ++ ++ ctx->sa_base_in = dma_map_single(ctx->mtk->dev, ctx->sa_in, sa_size, ++ DMA_TO_DEVICE); ++ return err; ++} ++ ++static int mtk_skcipher_crypt(struct skcipher_request *req, bool encrypt) ++{ ++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req); ++ struct crypto_async_request *async = &req->base; ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm); ++ struct crypto_skcipher *skcipher = crypto_skcipher_reqtfm(req); ++ bool fallback = mtk_skcipher_is_fallback(req->base.tfm, rctx->flags); ++ ++ if (!req->cryptlen) ++ return 0; ++ ++ /* ++ * ECB and CBC algorithms require message lengths to be ++ * multiples of block size. ++ */ ++ if (IS_ECB(rctx->flags) || IS_CBC(rctx->flags)) ++ if (!IS_ALIGNED(req->cryptlen, ++ crypto_skcipher_blocksize(skcipher))) ++ return -EINVAL; ++ ++ if (fallback && ++ req->cryptlen <= (AES_KEYSIZE_128 ? ++ CONFIG_CRYPTO_DEV_EIP93_AES_128_SW_MAX_LEN : ++ CONFIG_CRYPTO_DEV_EIP93_GENERIC_SW_MAX_LEN)) { ++ skcipher_request_set_tfm(&rctx->fallback_req, ctx->fallback); ++ skcipher_request_set_callback(&rctx->fallback_req, ++ req->base.flags, ++ req->base.complete, ++ req->base.data); ++ skcipher_request_set_crypt(&rctx->fallback_req, req->src, ++ req->dst, req->cryptlen, req->iv); ++ return encrypt ? crypto_skcipher_encrypt(&rctx->fallback_req) : ++ crypto_skcipher_decrypt(&rctx->fallback_req); ++ } ++ ++ rctx->assoclen = 0; ++ rctx->textsize = req->cryptlen; ++ rctx->authsize = 0; ++ rctx->sg_src = req->src; ++ rctx->sg_dst = req->dst; ++ rctx->ivsize = crypto_skcipher_ivsize(skcipher); ++ rctx->blksize = ctx->blksize; ++ rctx->flags |= MTK_DESC_SKCIPHER; ++ if (!IS_ECB(rctx->flags)) ++ rctx->flags |= MTK_DESC_DMA_IV; ++ ++ return mtk_skcipher_send_req(async); ++} ++ ++static int mtk_skcipher_encrypt(struct skcipher_request *req) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm); ++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req); ++ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg, ++ struct mtk_alg_template, alg.skcipher.base); ++ ++ rctx->flags = tmpl->flags; ++ rctx->flags |= MTK_ENCRYPT; ++ rctx->saRecord_base = ctx->sa_base_out; ++ ++ return mtk_skcipher_crypt(req, true); ++} ++ ++static int mtk_skcipher_decrypt(struct skcipher_request *req) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(req->base.tfm); ++ struct mtk_cipher_reqctx *rctx = skcipher_request_ctx(req); ++ struct mtk_alg_template *tmpl = container_of(req->base.tfm->__crt_alg, ++ struct mtk_alg_template, alg.skcipher.base); ++ ++ rctx->flags = tmpl->flags; ++ rctx->flags |= MTK_DECRYPT; ++ rctx->saRecord_base = ctx->sa_base_in; ++ ++ return mtk_skcipher_crypt(req, false); ++} ++ ++/* Available algorithms in this module */ ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES) ++struct mtk_alg_template mtk_alg_ecb_aes = { ++ .type = MTK_ALG_TYPE_SKCIPHER, ++ .flags = MTK_MODE_ECB | MTK_ALG_AES, ++ .alg.skcipher = { ++ .setkey = mtk_skcipher_setkey, ++ .encrypt = mtk_skcipher_encrypt, ++ .decrypt = mtk_skcipher_decrypt, ++ .min_keysize = AES_MIN_KEY_SIZE, ++ .max_keysize = AES_MAX_KEY_SIZE, ++ .ivsize = 0, ++ .base = { ++ .cra_name = "ecb(aes)", ++ .cra_driver_name = "ecb(aes-eip93)", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_NEED_FALLBACK | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = AES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0xf, ++ .cra_init = mtk_skcipher_cra_init, ++ .cra_exit = mtk_skcipher_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_cbc_aes = { ++ .type = MTK_ALG_TYPE_SKCIPHER, ++ .flags = MTK_MODE_CBC | MTK_ALG_AES, ++ .alg.skcipher = { ++ .setkey = mtk_skcipher_setkey, ++ .encrypt = mtk_skcipher_encrypt, ++ .decrypt = mtk_skcipher_decrypt, ++ .min_keysize = AES_MIN_KEY_SIZE, ++ .max_keysize = AES_MAX_KEY_SIZE, ++ .ivsize = AES_BLOCK_SIZE, ++ .base = { ++ .cra_name = "cbc(aes)", ++ .cra_driver_name = "cbc(aes-eip93)", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_NEED_FALLBACK | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = AES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0xf, ++ .cra_init = mtk_skcipher_cra_init, ++ .cra_exit = mtk_skcipher_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_ctr_aes = { ++ .type = MTK_ALG_TYPE_SKCIPHER, ++ .flags = MTK_MODE_CTR | MTK_ALG_AES, ++ .alg.skcipher = { ++ .setkey = mtk_skcipher_setkey, ++ .encrypt = mtk_skcipher_encrypt, ++ .decrypt = mtk_skcipher_decrypt, ++ .min_keysize = AES_MIN_KEY_SIZE, ++ .max_keysize = AES_MAX_KEY_SIZE, ++ .ivsize = AES_BLOCK_SIZE, ++ .base = { ++ .cra_name = "ctr(aes)", ++ .cra_driver_name = "ctr(aes-eip93)", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_NEED_FALLBACK | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = 1, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0xf, ++ .cra_init = mtk_skcipher_cra_init, ++ .cra_exit = mtk_skcipher_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_rfc3686_aes = { ++ .type = MTK_ALG_TYPE_SKCIPHER, ++ .flags = MTK_MODE_CTR | MTK_MODE_RFC3686 | MTK_ALG_AES, ++ .alg.skcipher = { ++ .setkey = mtk_skcipher_setkey, ++ .encrypt = mtk_skcipher_encrypt, ++ .decrypt = mtk_skcipher_decrypt, ++ .min_keysize = AES_MIN_KEY_SIZE + CTR_RFC3686_NONCE_SIZE, ++ .max_keysize = AES_MAX_KEY_SIZE + CTR_RFC3686_NONCE_SIZE, ++ .ivsize = CTR_RFC3686_IV_SIZE, ++ .base = { ++ .cra_name = "rfc3686(ctr(aes))", ++ .cra_driver_name = "rfc3686(ctr(aes-eip93))", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_NEED_FALLBACK | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = 1, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0xf, ++ .cra_init = mtk_skcipher_cra_init, ++ .cra_exit = mtk_skcipher_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++struct mtk_alg_template mtk_alg_ecb_des = { ++ .type = MTK_ALG_TYPE_SKCIPHER, ++ .flags = MTK_MODE_ECB | MTK_ALG_DES, ++ .alg.skcipher = { ++ .setkey = mtk_skcipher_setkey, ++ .encrypt = mtk_skcipher_encrypt, ++ .decrypt = mtk_skcipher_decrypt, ++ .min_keysize = DES_KEY_SIZE, ++ .max_keysize = DES_KEY_SIZE, ++ .ivsize = 0, ++ .base = { ++ .cra_name = "ecb(des)", ++ .cra_driver_name = "ebc(des-eip93)", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_skcipher_cra_init, ++ .cra_exit = mtk_skcipher_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_cbc_des = { ++ .type = MTK_ALG_TYPE_SKCIPHER, ++ .flags = MTK_MODE_CBC | MTK_ALG_DES, ++ .alg.skcipher = { ++ .setkey = mtk_skcipher_setkey, ++ .encrypt = mtk_skcipher_encrypt, ++ .decrypt = mtk_skcipher_decrypt, ++ .min_keysize = DES_KEY_SIZE, ++ .max_keysize = DES_KEY_SIZE, ++ .ivsize = DES_BLOCK_SIZE, ++ .base = { ++ .cra_name = "cbc(des)", ++ .cra_driver_name = "cbc(des-eip93)", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_skcipher_cra_init, ++ .cra_exit = mtk_skcipher_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_ecb_des3_ede = { ++ .type = MTK_ALG_TYPE_SKCIPHER, ++ .flags = MTK_MODE_ECB | MTK_ALG_3DES, ++ .alg.skcipher = { ++ .setkey = mtk_skcipher_setkey, ++ .encrypt = mtk_skcipher_encrypt, ++ .decrypt = mtk_skcipher_decrypt, ++ .min_keysize = DES3_EDE_KEY_SIZE, ++ .max_keysize = DES3_EDE_KEY_SIZE, ++ .ivsize = 0, ++ .base = { ++ .cra_name = "ecb(des3_ede)", ++ .cra_driver_name = "ecb(des3_ede-eip93)", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES3_EDE_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_skcipher_cra_init, ++ .cra_exit = mtk_skcipher_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++ ++struct mtk_alg_template mtk_alg_cbc_des3_ede = { ++ .type = MTK_ALG_TYPE_SKCIPHER, ++ .flags = MTK_MODE_CBC | MTK_ALG_3DES, ++ .alg.skcipher = { ++ .setkey = mtk_skcipher_setkey, ++ .encrypt = mtk_skcipher_encrypt, ++ .decrypt = mtk_skcipher_decrypt, ++ .min_keysize = DES3_EDE_KEY_SIZE, ++ .max_keysize = DES3_EDE_KEY_SIZE, ++ .ivsize = DES3_EDE_BLOCK_SIZE, ++ .base = { ++ .cra_name = "cbc(des3_ede)", ++ .cra_driver_name = "cbc(des3_ede-eip93)", ++ .cra_priority = MTK_CRA_PRIORITY, ++ .cra_flags = CRYPTO_ALG_ASYNC | ++ CRYPTO_ALG_KERN_DRIVER_ONLY, ++ .cra_blocksize = DES3_EDE_BLOCK_SIZE, ++ .cra_ctxsize = sizeof(struct mtk_crypto_ctx), ++ .cra_alignmask = 0, ++ .cra_init = mtk_skcipher_cra_init, ++ .cra_exit = mtk_skcipher_cra_exit, ++ .cra_module = THIS_MODULE, ++ }, ++ }, ++}; ++#endif +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-cipher.h +@@ -0,0 +1,66 @@ ++/* SPDX-License-Identifier: GPL-2.0 ++ * ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++#ifndef _EIP93_CIPHER_H_ ++#define _EIP93_CIPHER_H_ ++ ++#include "eip93-main.h" ++ ++struct mtk_crypto_ctx { ++ struct mtk_device *mtk; ++ struct saRecord_s *sa_in; ++ dma_addr_t sa_base_in; ++ struct saRecord_s *sa_out; ++ dma_addr_t sa_base_out; ++ uint32_t saNonce; ++ int blksize; ++ /* AEAD specific */ ++ unsigned int authsize; ++ unsigned int assoclen_in; ++ unsigned int assoclen_out; ++ bool in_first; ++ bool out_first; ++ struct crypto_shash *shash; ++ unsigned int keylen; ++ struct crypto_skcipher *fallback; ++}; ++ ++struct mtk_cipher_reqctx { ++ unsigned long flags; ++ unsigned int blksize; ++ unsigned int ivsize; ++ unsigned int textsize; ++ unsigned int assoclen; ++ unsigned int authsize; ++ dma_addr_t saRecord_base; ++ struct saState_s *saState; ++ dma_addr_t saState_base; ++ uint32_t saState_idx; ++ struct eip93_descriptor_s *cdesc; ++ struct scatterlist *sg_src; ++ struct scatterlist *sg_dst; ++ int src_nents; ++ int dst_nents; ++ struct saState_s *saState_ctr; ++ dma_addr_t saState_base_ctr; ++ uint32_t saState_ctr_idx; ++ struct skcipher_request fallback_req; // keep at the end ++}; ++ ++int check_valid_request(struct mtk_cipher_reqctx *rctx); ++ ++void mtk_unmap_dma(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx, ++ struct scatterlist *reqsrc, struct scatterlist *reqdst); ++ ++void mtk_skcipher_handle_result(struct crypto_async_request *async, int err); ++ ++int mtk_send_req(struct crypto_async_request *async, ++ const u8 *reqiv, struct mtk_cipher_reqctx *rctx); ++ ++void mtk_handle_result(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx, ++ u8 *reqiv); ++ ++#endif /* _EIP93_CIPHER_H_ */ +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-common.c +@@ -0,0 +1,749 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include "eip93-cipher.h" ++#include "eip93-common.h" ++#include "eip93-main.h" ++#include "eip93-regs.h" ++ ++inline void *mtk_ring_next_wptr(struct mtk_device *mtk, ++ struct mtk_desc_ring *ring) ++{ ++ void *ptr = ring->write; ++ ++ if ((ring->write == ring->read - ring->offset) || ++ (ring->read == ring->base && ring->write == ring->base_end)) ++ return ERR_PTR(-ENOMEM); ++ ++ if (ring->write == ring->base_end) ++ ring->write = ring->base; ++ else ++ ring->write += ring->offset; ++ ++ return ptr; ++} ++ ++inline void *mtk_ring_next_rptr(struct mtk_device *mtk, ++ struct mtk_desc_ring *ring) ++{ ++ void *ptr = ring->read; ++ ++ if (ring->write == ring->read) ++ return ERR_PTR(-ENOENT); ++ ++ if (ring->read == ring->base_end) ++ ring->read = ring->base; ++ else ++ ring->read += ring->offset; ++ ++ return ptr; ++} ++ ++inline int mtk_put_descriptor(struct mtk_device *mtk, ++ struct eip93_descriptor_s *desc) ++{ ++ struct eip93_descriptor_s *cdesc; ++ struct eip93_descriptor_s *rdesc; ++ unsigned long irqflags; ++ ++ spin_lock_irqsave(&mtk->ring->write_lock, irqflags); ++ ++ rdesc = mtk_ring_next_wptr(mtk, &mtk->ring->rdr); ++ ++ if (IS_ERR(rdesc)) { ++ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags); ++ return -ENOENT; ++ } ++ ++ cdesc = mtk_ring_next_wptr(mtk, &mtk->ring->cdr); ++ ++ if (IS_ERR(cdesc)) { ++ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags); ++ return -ENOENT; ++ } ++ ++ memset(rdesc, 0, sizeof(struct eip93_descriptor_s)); ++ memcpy(cdesc, desc, sizeof(struct eip93_descriptor_s)); ++ ++ atomic_dec(&mtk->ring->free); ++ spin_unlock_irqrestore(&mtk->ring->write_lock, irqflags); ++ ++ return 0; ++} ++ ++inline void *mtk_get_descriptor(struct mtk_device *mtk) ++{ ++ struct eip93_descriptor_s *cdesc; ++ void *ptr; ++ unsigned long irqflags; ++ ++ spin_lock_irqsave(&mtk->ring->read_lock, irqflags); ++ ++ cdesc = mtk_ring_next_rptr(mtk, &mtk->ring->cdr); ++ ++ if (IS_ERR(cdesc)) { ++ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags); ++ return ERR_PTR(-ENOENT); ++ } ++ ++ memset(cdesc, 0, sizeof(struct eip93_descriptor_s)); ++ ++ ptr = mtk_ring_next_rptr(mtk, &mtk->ring->rdr); ++ if (IS_ERR(ptr)) { ++ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags); ++ return ERR_PTR(-ENOENT); ++ } ++ ++ atomic_inc(&mtk->ring->free); ++ spin_unlock_irqrestore(&mtk->ring->read_lock, irqflags); ++ ++ return ptr; ++} ++ ++inline int mtk_get_free_saState(struct mtk_device *mtk) ++{ ++ struct mtk_state_pool *saState_pool; ++ int i; ++ ++ for (i = 0; i < MTK_RING_SIZE; i++) { ++ saState_pool = &mtk->ring->saState_pool[i]; ++ if (saState_pool->in_use == false) { ++ saState_pool->in_use = true; ++ return i; ++ } ++ ++ } ++ ++ return -ENOENT; ++} ++ ++static inline void mtk_free_sg_copy(const int len, struct scatterlist **sg) ++{ ++ if (!*sg || !len) ++ return; ++ ++ free_pages((unsigned long)sg_virt(*sg), get_order(len)); ++ kfree(*sg); ++ *sg = NULL; ++} ++ ++static inline int mtk_make_sg_copy(struct scatterlist *src, ++ struct scatterlist **dst, ++ const uint32_t len, const bool copy) ++{ ++ void *pages; ++ ++ *dst = kmalloc(sizeof(**dst), GFP_KERNEL); ++ if (!*dst) ++ return -ENOMEM; ++ ++ ++ pages = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA, ++ get_order(len)); ++ ++ if (!pages) { ++ kfree(*dst); ++ *dst = NULL; ++ return -ENOMEM; ++ } ++ ++ sg_init_table(*dst, 1); ++ sg_set_buf(*dst, pages, len); ++ ++ /* copy only as requested */ ++ if (copy) ++ sg_copy_to_buffer(src, sg_nents(src), pages, len); ++ ++ return 0; ++} ++ ++static inline bool mtk_is_sg_aligned(struct scatterlist *sg, u32 len, ++ const int blksize) ++{ ++ int nents; ++ ++ for (nents = 0; sg; sg = sg_next(sg), ++nents) { ++ if (!IS_ALIGNED(sg->offset, 4)) ++ return false; ++ ++ if (len <= sg->length) { ++ if (!IS_ALIGNED(len, blksize)) ++ return false; ++ ++ return true; ++ } ++ ++ if (!IS_ALIGNED(sg->length, blksize)) ++ return false; ++ ++ len -= sg->length; ++ } ++ return false; ++} ++ ++int check_valid_request(struct mtk_cipher_reqctx *rctx) ++{ ++ struct scatterlist *src = rctx->sg_src; ++ struct scatterlist *dst = rctx->sg_dst; ++ uint32_t src_nents, dst_nents; ++ u32 textsize = rctx->textsize; ++ u32 authsize = rctx->authsize; ++ u32 blksize = rctx->blksize; ++ u32 totlen_src = rctx->assoclen + rctx->textsize; ++ u32 totlen_dst = rctx->assoclen + rctx->textsize; ++ u32 copy_len; ++ bool src_align, dst_align; ++ int err = -EINVAL; ++ ++ if (!IS_CTR(rctx->flags)) { ++ if (!IS_ALIGNED(textsize, blksize)) ++ return err; ++ } ++ ++ if (authsize) { ++ if (IS_ENCRYPT(rctx->flags)) ++ totlen_dst += authsize; ++ else ++ totlen_src += authsize; ++ } ++ ++ src_nents = sg_nents_for_len(src, totlen_src); ++ dst_nents = sg_nents_for_len(dst, totlen_dst); ++ ++ if (src == dst) { ++ src_nents = max(src_nents, dst_nents); ++ dst_nents = src_nents; ++ if (unlikely((totlen_src || totlen_dst) && (src_nents <= 0))) ++ return err; ++ ++ } else { ++ if (unlikely(totlen_src && (src_nents <= 0))) ++ return err; ++ ++ if (unlikely(totlen_dst && (dst_nents <= 0))) ++ return err; ++ } ++ ++ if (authsize) { ++ if (dst_nents == 1 && src_nents == 1) { ++ src_align = mtk_is_sg_aligned(src, totlen_src, blksize); ++ if (src == dst) ++ dst_align = src_align; ++ else ++ dst_align = mtk_is_sg_aligned(dst, ++ totlen_dst, blksize); ++ } else { ++ src_align = false; ++ dst_align = false; ++ } ++ } else { ++ src_align = mtk_is_sg_aligned(src, totlen_src, blksize); ++ if (src == dst) ++ dst_align = src_align; ++ else ++ dst_align = mtk_is_sg_aligned(dst, totlen_dst, blksize); ++ } ++ ++ copy_len = max(totlen_src, totlen_dst); ++ if (!src_align) { ++ err = mtk_make_sg_copy(src, &rctx->sg_src, copy_len, true); ++ if (err) ++ return err; ++ } ++ ++ if (!dst_align) { ++ err = mtk_make_sg_copy(dst, &rctx->sg_dst, copy_len, false); ++ if (err) ++ return err; ++ } ++ ++ rctx->src_nents = sg_nents_for_len(rctx->sg_src, totlen_src); ++ rctx->dst_nents = sg_nents_for_len(rctx->sg_dst, totlen_dst); ++ ++ return 0; ++} ++/* ++ * Set saRecord function: ++ * Even saRecord is set to "0", keep " = 0" for readability. ++ */ ++void mtk_set_saRecord(struct saRecord_s *saRecord, const unsigned int keylen, ++ const u32 flags) ++{ ++ saRecord->saCmd0.bits.ivSource = 2; ++ if (IS_ECB(flags)) ++ saRecord->saCmd0.bits.saveIv = 0; ++ else ++ saRecord->saCmd0.bits.saveIv = 1; ++ ++ saRecord->saCmd0.bits.opGroup = 0; ++ saRecord->saCmd0.bits.opCode = 0; ++ ++ switch ((flags & MTK_ALG_MASK)) { ++ case MTK_ALG_AES: ++ saRecord->saCmd0.bits.cipher = 3; ++ saRecord->saCmd1.bits.aesKeyLen = keylen >> 3; ++ break; ++ case MTK_ALG_3DES: ++ saRecord->saCmd0.bits.cipher = 1; ++ break; ++ case MTK_ALG_DES: ++ saRecord->saCmd0.bits.cipher = 0; ++ break; ++ default: ++ saRecord->saCmd0.bits.cipher = 15; ++ } ++ ++ switch ((flags & MTK_HASH_MASK)) { ++ case MTK_HASH_SHA256: ++ saRecord->saCmd0.bits.hash = 3; ++ break; ++ case MTK_HASH_SHA224: ++ saRecord->saCmd0.bits.hash = 2; ++ break; ++ case MTK_HASH_SHA1: ++ saRecord->saCmd0.bits.hash = 1; ++ break; ++ case MTK_HASH_MD5: ++ saRecord->saCmd0.bits.hash = 0; ++ break; ++ default: ++ saRecord->saCmd0.bits.hash = 15; ++ } ++ ++ saRecord->saCmd0.bits.hdrProc = 0; ++ saRecord->saCmd0.bits.padType = 3; ++ saRecord->saCmd0.bits.extPad = 0; ++ saRecord->saCmd0.bits.scPad = 0; ++ ++ switch ((flags & MTK_MODE_MASK)) { ++ case MTK_MODE_CBC: ++ saRecord->saCmd1.bits.cipherMode = 1; ++ break; ++ case MTK_MODE_CTR: ++ saRecord->saCmd1.bits.cipherMode = 2; ++ break; ++ case MTK_MODE_ECB: ++ saRecord->saCmd1.bits.cipherMode = 0; ++ break; ++ } ++ ++ saRecord->saCmd1.bits.byteOffset = 0; ++ saRecord->saCmd1.bits.hashCryptOffset = 0; ++ saRecord->saCmd0.bits.digestLength = 0; ++ saRecord->saCmd1.bits.copyPayload = 0; ++ ++ if (IS_HMAC(flags)) { ++ saRecord->saCmd1.bits.hmac = 1; ++ saRecord->saCmd1.bits.copyDigest = 1; ++ saRecord->saCmd1.bits.copyHeader = 1; ++ } else { ++ saRecord->saCmd1.bits.hmac = 0; ++ saRecord->saCmd1.bits.copyDigest = 0; ++ saRecord->saCmd1.bits.copyHeader = 0; ++ } ++ ++ saRecord->saCmd1.bits.seqNumCheck = 0; ++ saRecord->saSpi = 0x0; ++ saRecord->saSeqNumMask[0] = 0xFFFFFFFF; ++ saRecord->saSeqNumMask[1] = 0x0; ++} ++ ++/* ++ * Poor mans Scatter/gather function: ++ * Create a Descriptor for every segment to avoid copying buffers. ++ * For performance better to wait for hardware to perform multiple DMA ++ * ++ */ ++static inline int mtk_scatter_combine(struct mtk_device *mtk, ++ struct mtk_cipher_reqctx *rctx, ++ u32 datalen, u32 split, int offsetin) ++{ ++ struct eip93_descriptor_s *cdesc = rctx->cdesc; ++ struct scatterlist *sgsrc = rctx->sg_src; ++ struct scatterlist *sgdst = rctx->sg_dst; ++ unsigned int remainin = sg_dma_len(sgsrc); ++ unsigned int remainout = sg_dma_len(sgdst); ++ dma_addr_t saddr = sg_dma_address(sgsrc); ++ dma_addr_t daddr = sg_dma_address(sgdst); ++ dma_addr_t stateAddr; ++ u32 srcAddr, dstAddr, len, n; ++ bool nextin = false; ++ bool nextout = false; ++ int offsetout = 0; ++ int ndesc_cdr = 0, err; ++ ++ if (IS_ECB(rctx->flags)) ++ rctx->saState_base = 0; ++ ++ if (split < datalen) { ++ stateAddr = rctx->saState_base_ctr; ++ n = split; ++ } else { ++ stateAddr = rctx->saState_base; ++ n = datalen; ++ } ++ ++ do { ++ if (nextin) { ++ sgsrc = sg_next(sgsrc); ++ remainin = sg_dma_len(sgsrc); ++ if (remainin == 0) ++ continue; ++ ++ saddr = sg_dma_address(sgsrc); ++ offsetin = 0; ++ nextin = false; ++ } ++ ++ if (nextout) { ++ sgdst = sg_next(sgdst); ++ remainout = sg_dma_len(sgdst); ++ if (remainout == 0) ++ continue; ++ ++ daddr = sg_dma_address(sgdst); ++ offsetout = 0; ++ nextout = false; ++ } ++ srcAddr = saddr + offsetin; ++ dstAddr = daddr + offsetout; ++ ++ if (remainin == remainout) { ++ len = remainin; ++ if (len > n) { ++ len = n; ++ remainin -= n; ++ remainout -= n; ++ offsetin += n; ++ offsetout += n; ++ } else { ++ nextin = true; ++ nextout = true; ++ } ++ } else if (remainin < remainout) { ++ len = remainin; ++ if (len > n) { ++ len = n; ++ remainin -= n; ++ remainout -= n; ++ offsetin += n; ++ offsetout += n; ++ } else { ++ offsetout += len; ++ remainout -= len; ++ nextin = true; ++ } ++ } else { ++ len = remainout; ++ if (len > n) { ++ len = n; ++ remainin -= n; ++ remainout -= n; ++ offsetin += n; ++ offsetout += n; ++ } else { ++ offsetin += len; ++ remainin -= len; ++ nextout = true; ++ } ++ } ++ n -= len; ++ ++ cdesc->srcAddr = srcAddr; ++ cdesc->dstAddr = dstAddr; ++ cdesc->stateAddr = stateAddr; ++ cdesc->peLength.bits.peReady = 0; ++ cdesc->peLength.bits.byPass = 0; ++ cdesc->peLength.bits.length = len; ++ cdesc->peLength.bits.hostReady = 1; ++ ++ if (n == 0) { ++ n = datalen - split; ++ split = datalen; ++ stateAddr = rctx->saState_base; ++ } ++ ++ if (n == 0) ++ cdesc->userId |= MTK_DESC_LAST; ++ ++ /* Loop - Delay - No need to rollback ++ * Maybe refine by slowing down at MTK_RING_BUSY ++ */ ++again: ++ err = mtk_put_descriptor(mtk, cdesc); ++ if (err) { ++ udelay(500); ++ goto again; ++ } ++ /* Writing new descriptor count starts DMA action */ ++ writel(1, mtk->base + EIP93_REG_PE_CD_COUNT); ++ ++ ndesc_cdr++; ++ } while (n); ++ ++ return -EINPROGRESS; ++} ++ ++int mtk_send_req(struct crypto_async_request *async, ++ const u8 *reqiv, struct mtk_cipher_reqctx *rctx) ++{ ++ struct mtk_crypto_ctx *ctx = crypto_tfm_ctx(async->tfm); ++ struct mtk_device *mtk = ctx->mtk; ++ struct scatterlist *src = rctx->sg_src; ++ struct scatterlist *dst = rctx->sg_dst; ++ struct saState_s *saState; ++ struct mtk_state_pool *saState_pool; ++ struct eip93_descriptor_s cdesc; ++ u32 flags = rctx->flags; ++ int idx; ++ int offsetin = 0, err = -ENOMEM; ++ u32 datalen = rctx->assoclen + rctx->textsize; ++ u32 split = datalen; ++ u32 start, end, ctr, blocks; ++ u32 iv[AES_BLOCK_SIZE / sizeof(u32)]; ++ ++ rctx->saState_ctr = NULL; ++ rctx->saState = NULL; ++ ++ if (IS_ECB(flags)) ++ goto skip_iv; ++ ++ memcpy(iv, reqiv, rctx->ivsize); ++ ++ if (!IS_ALIGNED((u32)reqiv, rctx->ivsize) || IS_RFC3686(flags)) { ++ rctx->flags &= ~MTK_DESC_DMA_IV; ++ flags = rctx->flags; ++ } ++ ++ if (IS_DMA_IV(flags)) { ++ rctx->saState = (void *)reqiv; ++ } else { ++ idx = mtk_get_free_saState(mtk); ++ if (idx < 0) ++ goto send_err; ++ saState_pool = &mtk->ring->saState_pool[idx]; ++ rctx->saState_idx = idx; ++ rctx->saState = saState_pool->base; ++ rctx->saState_base = saState_pool->base_dma; ++ memcpy(rctx->saState->stateIv, iv, rctx->ivsize); ++ } ++ ++ saState = rctx->saState; ++ ++ if (IS_RFC3686(flags)) { ++ saState->stateIv[0] = ctx->saNonce; ++ saState->stateIv[1] = iv[0]; ++ saState->stateIv[2] = iv[1]; ++ saState->stateIv[3] = cpu_to_be32(1); ++ } else if (!IS_HMAC(flags) && IS_CTR(flags)) { ++ /* Compute data length. */ ++ blocks = DIV_ROUND_UP(rctx->textsize, AES_BLOCK_SIZE); ++ ctr = be32_to_cpu(iv[3]); ++ /* Check 32bit counter overflow. */ ++ start = ctr; ++ end = start + blocks - 1; ++ if (end < start) { ++ split = AES_BLOCK_SIZE * -start; ++ /* ++ * Increment the counter manually to cope with ++ * the hardware counter overflow. ++ */ ++ iv[3] = 0xffffffff; ++ crypto_inc((u8 *)iv, AES_BLOCK_SIZE); ++ idx = mtk_get_free_saState(mtk); ++ if (idx < 0) ++ goto free_state; ++ saState_pool = &mtk->ring->saState_pool[idx]; ++ rctx->saState_ctr_idx = idx; ++ rctx->saState_ctr = saState_pool->base; ++ rctx->saState_base_ctr = saState_pool->base_dma; ++ ++ memcpy(rctx->saState_ctr->stateIv, reqiv, rctx->ivsize); ++ memcpy(saState->stateIv, iv, rctx->ivsize); ++ } ++ } ++ ++ if (IS_DMA_IV(flags)) { ++ rctx->saState_base = dma_map_single(mtk->dev, (void *)reqiv, ++ rctx->ivsize, DMA_TO_DEVICE); ++ if (dma_mapping_error(mtk->dev, rctx->saState_base)) ++ goto free_state; ++ } ++skip_iv: ++ cdesc.peCrtlStat.bits.hostReady = 1; ++ cdesc.peCrtlStat.bits.prngMode = 0; ++ cdesc.peCrtlStat.bits.hashFinal = 0; ++ cdesc.peCrtlStat.bits.padCrtlStat = 0; ++ cdesc.peCrtlStat.bits.peReady = 0; ++ cdesc.saAddr = rctx->saRecord_base; ++ cdesc.arc4Addr = (uint32_t)async; ++ cdesc.userId = flags; ++ rctx->cdesc = &cdesc; ++ ++ /* map DMA_BIDIRECTIONAL to invalidate cache on destination ++ * implies __dma_cache_wback_inv ++ */ ++ dma_map_sg(mtk->dev, dst, rctx->dst_nents, DMA_BIDIRECTIONAL); ++ if (src != dst) ++ dma_map_sg(mtk->dev, src, rctx->src_nents, DMA_TO_DEVICE); ++ ++ err = mtk_scatter_combine(mtk, rctx, datalen, split, offsetin); ++ ++ return err; ++ ++free_state: ++ if (rctx->saState) { ++ saState_pool = &mtk->ring->saState_pool[rctx->saState_idx]; ++ saState_pool->in_use = false; ++ } ++ ++ if (rctx->saState_ctr) { ++ saState_pool = &mtk->ring->saState_pool[rctx->saState_ctr_idx]; ++ saState_pool->in_use = false; ++ } ++send_err: ++ return err; ++} ++ ++void mtk_unmap_dma(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx, ++ struct scatterlist *reqsrc, struct scatterlist *reqdst) ++{ ++ u32 len = rctx->assoclen + rctx->textsize; ++ u32 authsize = rctx->authsize; ++ u32 flags = rctx->flags; ++ u32 *otag; ++ int i; ++ ++ if (rctx->sg_src == rctx->sg_dst) { ++ dma_unmap_sg(mtk->dev, rctx->sg_dst, rctx->dst_nents, ++ DMA_BIDIRECTIONAL); ++ goto process_tag; ++ } ++ ++ dma_unmap_sg(mtk->dev, rctx->sg_src, rctx->src_nents, ++ DMA_TO_DEVICE); ++ ++ if (rctx->sg_src != reqsrc) ++ mtk_free_sg_copy(len + rctx->authsize, &rctx->sg_src); ++ ++ dma_unmap_sg(mtk->dev, rctx->sg_dst, rctx->dst_nents, ++ DMA_BIDIRECTIONAL); ++ ++ /* SHA tags need conversion from net-to-host */ ++process_tag: ++ if (IS_DECRYPT(flags)) ++ authsize = 0; ++ ++ if (authsize) { ++ if (!IS_HASH_MD5(flags)) { ++ otag = sg_virt(rctx->sg_dst) + len; ++ for (i = 0; i < (authsize / 4); i++) ++ otag[i] = ntohl(otag[i]); ++ } ++ } ++ ++ if (rctx->sg_dst != reqdst) { ++ sg_copy_from_buffer(reqdst, sg_nents(reqdst), ++ sg_virt(rctx->sg_dst), len + authsize); ++ mtk_free_sg_copy(len + rctx->authsize, &rctx->sg_dst); ++ } ++} ++ ++void mtk_handle_result(struct mtk_device *mtk, struct mtk_cipher_reqctx *rctx, ++ u8 *reqiv) ++{ ++ struct mtk_state_pool *saState_pool; ++ ++ if (IS_DMA_IV(rctx->flags)) ++ dma_unmap_single(mtk->dev, rctx->saState_base, rctx->ivsize, ++ DMA_TO_DEVICE); ++ ++ if (!IS_ECB(rctx->flags)) ++ memcpy(reqiv, rctx->saState->stateIv, rctx->ivsize); ++ ++ if ((rctx->saState) && !(IS_DMA_IV(rctx->flags))) { ++ saState_pool = &mtk->ring->saState_pool[rctx->saState_idx]; ++ saState_pool->in_use = false; ++ } ++ ++ if (rctx->saState_ctr) { ++ saState_pool = &mtk->ring->saState_pool[rctx->saState_ctr_idx]; ++ saState_pool->in_use = false; ++ } ++} ++ ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC) ++/* basically this is set hmac - key */ ++int mtk_authenc_setkey(struct crypto_shash *cshash, struct saRecord_s *sa, ++ const u8 *authkey, unsigned int authkeylen) ++{ ++ int bs = crypto_shash_blocksize(cshash); ++ int ds = crypto_shash_digestsize(cshash); ++ int ss = crypto_shash_statesize(cshash); ++ u8 *ipad, *opad; ++ unsigned int i, err; ++ ++ SHASH_DESC_ON_STACK(shash, cshash); ++ ++ shash->tfm = cshash; ++ ++ /* auth key ++ * ++ * EIP93 can only authenticate with hash of the key ++ * do software shash until EIP93 hash function complete. ++ */ ++ ipad = kcalloc(2, SHA256_BLOCK_SIZE + ss, GFP_KERNEL); ++ if (!ipad) ++ return -ENOMEM; ++ ++ opad = ipad + SHA256_BLOCK_SIZE + ss; ++ ++ if (authkeylen > bs) { ++ err = crypto_shash_digest(shash, authkey, ++ authkeylen, ipad); ++ if (err) ++ return err; ++ ++ authkeylen = ds; ++ } else ++ memcpy(ipad, authkey, authkeylen); ++ ++ memset(ipad + authkeylen, 0, bs - authkeylen); ++ memcpy(opad, ipad, bs); ++ ++ for (i = 0; i < bs; i++) { ++ ipad[i] ^= HMAC_IPAD_VALUE; ++ opad[i] ^= HMAC_OPAD_VALUE; ++ } ++ ++ err = crypto_shash_init(shash) ?: ++ crypto_shash_update(shash, ipad, bs) ?: ++ crypto_shash_export(shash, ipad) ?: ++ crypto_shash_init(shash) ?: ++ crypto_shash_update(shash, opad, bs) ?: ++ crypto_shash_export(shash, opad); ++ ++ if (err) ++ return err; ++ ++ /* add auth key */ ++ memcpy(&sa->saIDigest, ipad, SHA256_DIGEST_SIZE); ++ memcpy(&sa->saODigest, opad, SHA256_DIGEST_SIZE); ++ ++ kfree(ipad); ++ return 0; ++} ++#endif +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-common.h +@@ -0,0 +1,28 @@ ++/* SPDX-License-Identifier: GPL-2.0 ++ * ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++ ++#ifndef _EIP93_COMMON_H_ ++#define _EIP93_COMMON_H_ ++ ++#include "eip93-main.h" ++ ++inline int mtk_put_descriptor(struct mtk_device *mtk, ++ struct eip93_descriptor_s *desc); ++ ++inline void *mtk_get_descriptor(struct mtk_device *mtk); ++ ++inline int mtk_get_free_saState(struct mtk_device *mtk); ++ ++void mtk_set_saRecord(struct saRecord_s *saRecord, const unsigned int keylen, ++ const u32 flags); ++ ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC) ++int mtk_authenc_setkey(struct crypto_shash *cshash, struct saRecord_s *sa, ++ const u8 *authkey, unsigned int authkeylen); ++#endif ++ ++#endif /* _EIP93_COMMON_H_ */ +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-des.h +@@ -0,0 +1,15 @@ ++/* SPDX-License-Identifier: GPL-2.0 ++ * ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++#ifndef _EIP93_DES_H_ ++#define _EIP93_DES_H_ ++ ++extern struct mtk_alg_template mtk_alg_ecb_des; ++extern struct mtk_alg_template mtk_alg_cbc_des; ++extern struct mtk_alg_template mtk_alg_ecb_des3_ede; ++extern struct mtk_alg_template mtk_alg_cbc_des3_ede; ++ ++#endif /* _EIP93_DES_H_ */ +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-main.c +@@ -0,0 +1,467 @@ ++// SPDX-License-Identifier: GPL-2.0 ++/* ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include "eip93-main.h" ++#include "eip93-regs.h" ++#include "eip93-common.h" ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER) ++#include "eip93-cipher.h" ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES) ++#include "eip93-aes.h" ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++#include "eip93-des.h" ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD) ++#include "eip93-aead.h" ++#endif ++ ++static struct mtk_alg_template *mtk_algs[] = { ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++ &mtk_alg_ecb_des, ++ &mtk_alg_cbc_des, ++ &mtk_alg_ecb_des3_ede, ++ &mtk_alg_cbc_des3_ede, ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES) ++ &mtk_alg_ecb_aes, ++ &mtk_alg_cbc_aes, ++ &mtk_alg_ctr_aes, ++ &mtk_alg_rfc3686_aes, ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD) ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++ &mtk_alg_authenc_hmac_md5_cbc_des, ++ &mtk_alg_authenc_hmac_sha1_cbc_des, ++ &mtk_alg_authenc_hmac_sha224_cbc_des, ++ &mtk_alg_authenc_hmac_sha256_cbc_des, ++ &mtk_alg_authenc_hmac_md5_cbc_des3_ede, ++ &mtk_alg_authenc_hmac_sha1_cbc_des3_ede, ++ &mtk_alg_authenc_hmac_sha224_cbc_des3_ede, ++ &mtk_alg_authenc_hmac_sha256_cbc_des3_ede, ++#endif ++ &mtk_alg_authenc_hmac_md5_cbc_aes, ++ &mtk_alg_authenc_hmac_sha1_cbc_aes, ++ &mtk_alg_authenc_hmac_sha224_cbc_aes, ++ &mtk_alg_authenc_hmac_sha256_cbc_aes, ++ &mtk_alg_authenc_hmac_md5_rfc3686_aes, ++ &mtk_alg_authenc_hmac_sha1_rfc3686_aes, ++ &mtk_alg_authenc_hmac_sha224_rfc3686_aes, ++ &mtk_alg_authenc_hmac_sha256_rfc3686_aes, ++#endif ++}; ++ ++inline void mtk_irq_disable(struct mtk_device *mtk, u32 mask) ++{ ++ __raw_writel(mask, mtk->base + EIP93_REG_MASK_DISABLE); ++} ++ ++inline void mtk_irq_enable(struct mtk_device *mtk, u32 mask) ++{ ++ __raw_writel(mask, mtk->base + EIP93_REG_MASK_ENABLE); ++} ++ ++inline void mtk_irq_clear(struct mtk_device *mtk, u32 mask) ++{ ++ __raw_writel(mask, mtk->base + EIP93_REG_INT_CLR); ++} ++ ++static void mtk_unregister_algs(unsigned int i) ++{ ++ unsigned int j; ++ ++ for (j = 0; j < i; j++) { ++ switch (mtk_algs[j]->type) { ++ case MTK_ALG_TYPE_SKCIPHER: ++ crypto_unregister_skcipher(&mtk_algs[j]->alg.skcipher); ++ break; ++ case MTK_ALG_TYPE_AEAD: ++ crypto_unregister_aead(&mtk_algs[j]->alg.aead); ++ break; ++ } ++ } ++} ++ ++static int mtk_register_algs(struct mtk_device *mtk) ++{ ++ unsigned int i; ++ int err = 0; ++ ++ for (i = 0; i < ARRAY_SIZE(mtk_algs); i++) { ++ mtk_algs[i]->mtk = mtk; ++ ++ switch (mtk_algs[i]->type) { ++ case MTK_ALG_TYPE_SKCIPHER: ++ err = crypto_register_skcipher(&mtk_algs[i]->alg.skcipher); ++ break; ++ case MTK_ALG_TYPE_AEAD: ++ err = crypto_register_aead(&mtk_algs[i]->alg.aead); ++ break; ++ } ++ if (err) ++ goto fail; ++ } ++ ++ return 0; ++ ++fail: ++ mtk_unregister_algs(i); ++ ++ return err; ++} ++ ++static void mtk_handle_result_descriptor(struct mtk_device *mtk) ++{ ++ struct crypto_async_request *async; ++ struct eip93_descriptor_s *rdesc; ++ bool last_entry; ++ u32 flags; ++ int handled, ready, err; ++ union peCrtlStat_w done1; ++ union peLength_w done2; ++ ++get_more: ++ handled = 0; ++ ++ ready = readl(mtk->base + EIP93_REG_PE_RD_COUNT) & GENMASK(10, 0); ++ ++ if (!ready) { ++ mtk_irq_clear(mtk, EIP93_INT_PE_RDRTHRESH_REQ); ++ mtk_irq_enable(mtk, EIP93_INT_PE_RDRTHRESH_REQ); ++ return; ++ } ++ ++ last_entry = false; ++ ++ while (ready) { ++ rdesc = mtk_get_descriptor(mtk); ++ if (IS_ERR(rdesc)) { ++ dev_err(mtk->dev, "Ndesc: %d nreq: %d\n", ++ handled, ready); ++ err = -EIO; ++ break; ++ } ++ /* make sure DMA is finished writing */ ++ do { ++ done1.word = READ_ONCE(rdesc->peCrtlStat.word); ++ done2.word = READ_ONCE(rdesc->peLength.word); ++ } while ((!done1.bits.peReady) || (!done2.bits.peReady)); ++ ++ err = rdesc->peCrtlStat.bits.errStatus; ++ ++ flags = rdesc->userId; ++ async = (struct crypto_async_request *)rdesc->arc4Addr; ++ ++ writel(1, mtk->base + EIP93_REG_PE_RD_COUNT); ++ mtk_irq_clear(mtk, EIP93_INT_PE_RDRTHRESH_REQ); ++ ++ handled++; ++ ready--; ++ ++ if (flags & MTK_DESC_LAST) { ++ last_entry = true; ++ break; ++ } ++ } ++ ++ if (!last_entry) ++ goto get_more; ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_SKCIPHER) ++ if (flags & MTK_DESC_SKCIPHER) ++ mtk_skcipher_handle_result(async, err); ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AEAD) ++ if (flags & MTK_DESC_AEAD) ++ mtk_aead_handle_result(async, err); ++#endif ++ goto get_more; ++} ++ ++static void mtk_done_task(unsigned long data) ++{ ++ struct mtk_device *mtk = (struct mtk_device *)data; ++ ++ mtk_handle_result_descriptor(mtk); ++} ++ ++static irqreturn_t mtk_irq_handler(int irq, void *dev_id) ++{ ++ struct mtk_device *mtk = (struct mtk_device *)dev_id; ++ u32 irq_status; ++ ++ irq_status = readl(mtk->base + EIP93_REG_INT_MASK_STAT); ++ ++ if (irq_status & EIP93_INT_PE_RDRTHRESH_REQ) { ++ mtk_irq_disable(mtk, EIP93_INT_PE_RDRTHRESH_REQ); ++ tasklet_schedule(&mtk->ring->done_task); ++ return IRQ_HANDLED; ++ } ++ ++ mtk_irq_clear(mtk, irq_status); ++ if (irq_status) ++ mtk_irq_disable(mtk, irq_status); ++ ++ return IRQ_NONE; ++} ++ ++static void mtk_initialize(struct mtk_device *mtk) ++{ ++ union peConfig_w peConfig; ++ union peEndianCfg_w peEndianCfg; ++ union peIntCfg_w peIntCfg; ++ union peClockCfg_w peClockCfg; ++ union peBufThresh_w peBufThresh; ++ union peRingThresh_w peRingThresh; ++ ++ /* Reset Engine and setup Mode */ ++ peConfig.word = 0; ++ peConfig.bits.resetPE = 1; ++ peConfig.bits.resetRing = 1; ++ peConfig.bits.peMode = 3; ++ peConfig.bits.enCDRupdate = 1; ++ ++ writel(peConfig.word, mtk->base + EIP93_REG_PE_CONFIG); ++ ++ udelay(10); ++ ++ peConfig.bits.resetPE = 0; ++ peConfig.bits.resetRing = 0; ++ ++ writel(peConfig.word, mtk->base + EIP93_REG_PE_CONFIG); ++ ++ /* Initialize the BYTE_ORDER_CFG register */ ++ peEndianCfg.word = 0; ++ writel(peEndianCfg.word, mtk->base + EIP93_REG_PE_ENDIAN_CONFIG); ++ ++ /* Initialize the INT_CFG register */ ++ peIntCfg.word = 0; ++ writel(peIntCfg.word, mtk->base + EIP93_REG_INT_CFG); ++ ++ /* Config Clocks */ ++ peClockCfg.word = 0; ++ peClockCfg.bits.enPEclk = 1; ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_DES) ++ peClockCfg.bits.enDESclk = 1; ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_AES) ++ peClockCfg.bits.enAESclk = 1; ++#endif ++#if IS_ENABLED(CONFIG_CRYPTO_DEV_EIP93_HMAC) ++ peClockCfg.bits.enHASHclk = 1; ++#endif ++ writel(peClockCfg.word, mtk->base + EIP93_REG_PE_CLOCK_CTRL); ++ ++ /* Config DMA thresholds */ ++ peBufThresh.word = 0; ++ peBufThresh.bits.inputBuffer = 128; ++ peBufThresh.bits.outputBuffer = 128; ++ ++ writel(peBufThresh.word, mtk->base + EIP93_REG_PE_BUF_THRESH); ++ ++ /* Clear/ack all interrupts before disable all */ ++ mtk_irq_clear(mtk, 0xFFFFFFFF); ++ mtk_irq_disable(mtk, 0xFFFFFFFF); ++ ++ /* Config Ring Threshold */ ++ peRingThresh.word = 0; ++ peRingThresh.bits.CDRThresh = MTK_RING_SIZE - MTK_RING_BUSY; ++ peRingThresh.bits.RDRThresh = 0; ++ peRingThresh.bits.RDTimeout = 5; ++ peRingThresh.bits.enTimeout = 1; ++ ++ writel(peRingThresh.word, mtk->base + EIP93_REG_PE_RING_THRESH); ++} ++ ++static void mtk_desc_free(struct mtk_device *mtk) ++{ ++ writel(0, mtk->base + EIP93_REG_PE_RING_CONFIG); ++ writel(0, mtk->base + EIP93_REG_PE_CDR_BASE); ++ writel(0, mtk->base + EIP93_REG_PE_RDR_BASE); ++} ++ ++static int mtk_set_ring(struct mtk_device *mtk, struct mtk_desc_ring *ring, ++ int Offset) ++{ ++ ring->offset = Offset; ++ ring->base = dmam_alloc_coherent(mtk->dev, Offset * MTK_RING_SIZE, ++ &ring->base_dma, GFP_KERNEL); ++ if (!ring->base) ++ return -ENOMEM; ++ ++ ring->write = ring->base; ++ ring->base_end = ring->base + Offset * (MTK_RING_SIZE - 1); ++ ring->read = ring->base; ++ ++ return 0; ++} ++ ++static int mtk_desc_init(struct mtk_device *mtk) ++{ ++ struct mtk_state_pool *saState_pool; ++ struct mtk_desc_ring *cdr = &mtk->ring->cdr; ++ struct mtk_desc_ring *rdr = &mtk->ring->rdr; ++ union peRingCfg_w peRingCfg; ++ int RingOffset, err, i; ++ ++ RingOffset = sizeof(struct eip93_descriptor_s); ++ ++ err = mtk_set_ring(mtk, cdr, RingOffset); ++ if (err) ++ return err; ++ ++ err = mtk_set_ring(mtk, rdr, RingOffset); ++ if (err) ++ return err; ++ ++ writel((u32)cdr->base_dma, mtk->base + EIP93_REG_PE_CDR_BASE); ++ writel((u32)rdr->base_dma, mtk->base + EIP93_REG_PE_RDR_BASE); ++ ++ peRingCfg.word = 0; ++ peRingCfg.bits.ringSize = MTK_RING_SIZE - 1; ++ peRingCfg.bits.ringOffset = RingOffset / 4; ++ ++ writel(peRingCfg.word, mtk->base + EIP93_REG_PE_RING_CONFIG); ++ ++ atomic_set(&mtk->ring->free, MTK_RING_SIZE - 1); ++ /* Create State record DMA pool */ ++ RingOffset = sizeof(struct saState_s); ++ mtk->ring->saState = dmam_alloc_coherent(mtk->dev, ++ RingOffset * MTK_RING_SIZE, ++ &mtk->ring->saState_dma, GFP_KERNEL); ++ if (!mtk->ring->saState) ++ return -ENOMEM; ++ ++ mtk->ring->saState_pool = devm_kcalloc(mtk->dev, 1, ++ sizeof(struct mtk_state_pool) * MTK_RING_SIZE, ++ GFP_KERNEL); ++ ++ for (i = 0; i < MTK_RING_SIZE; i++) { ++ saState_pool = &mtk->ring->saState_pool[i]; ++ saState_pool->base = mtk->ring->saState + (i * RingOffset); ++ saState_pool->base_dma = mtk->ring->saState_dma + (i * RingOffset); ++ saState_pool->in_use = false; ++ } ++ ++ return 0; ++} ++ ++static void mtk_cleanup(struct mtk_device *mtk) ++{ ++ tasklet_kill(&mtk->ring->done_task); ++ ++ /* Clear/ack all interrupts before disable all */ ++ mtk_irq_clear(mtk, 0xFFFFFFFF); ++ mtk_irq_disable(mtk, 0xFFFFFFFF); ++ ++ writel(0, mtk->base + EIP93_REG_PE_CLOCK_CTRL); ++ ++ mtk_desc_free(mtk); ++} ++ ++static int mtk_crypto_probe(struct platform_device *pdev) ++{ ++ struct device *dev = &pdev->dev; ++ struct mtk_device *mtk; ++ struct resource *res; ++ int err; ++ ++ mtk = devm_kzalloc(dev, sizeof(*mtk), GFP_KERNEL); ++ if (!mtk) ++ return -ENOMEM; ++ ++ mtk->dev = dev; ++ platform_set_drvdata(pdev, mtk); ++ ++ res = platform_get_resource(pdev, IORESOURCE_MEM, 0); ++ mtk->base = devm_ioremap_resource(&pdev->dev, res); ++ ++ if (IS_ERR(mtk->base)) ++ return PTR_ERR(mtk->base); ++ ++ mtk->irq = platform_get_irq(pdev, 0); ++ ++ if (mtk->irq < 0) ++ return mtk->irq; ++ ++ err = devm_request_threaded_irq(mtk->dev, mtk->irq, mtk_irq_handler, ++ NULL, IRQF_ONESHOT, ++ dev_name(mtk->dev), mtk); ++ ++ mtk->ring = devm_kcalloc(mtk->dev, 1, sizeof(*mtk->ring), GFP_KERNEL); ++ ++ if (!mtk->ring) ++ return -ENOMEM; ++ ++ err = mtk_desc_init(mtk); ++ if (err) ++ return err; ++ ++ tasklet_init(&mtk->ring->done_task, mtk_done_task, (unsigned long)mtk); ++ ++ spin_lock_init(&mtk->ring->read_lock); ++ spin_lock_init(&mtk->ring->write_lock); ++ ++ mtk_initialize(mtk); ++ ++ /* Init. finished, enable RDR interupt */ ++ mtk_irq_enable(mtk, EIP93_INT_PE_RDRTHRESH_REQ); ++ ++ err = mtk_register_algs(mtk); ++ if (err) { ++ mtk_cleanup(mtk); ++ return err; ++ } ++ ++ dev_info(mtk->dev, "EIP93 Crypto Engine Initialized."); ++ ++ return 0; ++} ++ ++static int mtk_crypto_remove(struct platform_device *pdev) ++{ ++ struct mtk_device *mtk = platform_get_drvdata(pdev); ++ ++ mtk_unregister_algs(ARRAY_SIZE(mtk_algs)); ++ mtk_cleanup(mtk); ++ dev_info(mtk->dev, "EIP93 removed.\n"); ++ ++ return 0; ++} ++ ++#if defined(CONFIG_OF) ++static const struct of_device_id mtk_crypto_of_match[] = { ++ { .compatible = "mediatek,mtk-eip93", }, ++ {} ++}; ++MODULE_DEVICE_TABLE(of, mtk_crypto_of_match); ++#endif ++ ++static struct platform_driver mtk_crypto_driver = { ++ .probe = mtk_crypto_probe, ++ .remove = mtk_crypto_remove, ++ .driver = { ++ .name = "mtk-eip93", ++ .of_match_table = of_match_ptr(mtk_crypto_of_match), ++ }, ++}; ++module_platform_driver(mtk_crypto_driver); ++ ++MODULE_AUTHOR("Richard van Schagen "); ++MODULE_ALIAS("platform:" KBUILD_MODNAME); ++MODULE_DESCRIPTION("Mediatek EIP-93 crypto engine driver"); ++MODULE_LICENSE("GPL v2"); +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-main.h +@@ -0,0 +1,146 @@ ++/* SPDX-License-Identifier: GPL-2.0 ++ * ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++#ifndef _EIP93_MAIN_H_ ++#define _EIP93_MAIN_H_ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#define MTK_RING_SIZE 512 ++#define MTK_RING_BUSY 32 ++#define MTK_CRA_PRIORITY 1500 ++ ++/* cipher algorithms */ ++#define MTK_ALG_DES BIT(0) ++#define MTK_ALG_3DES BIT(1) ++#define MTK_ALG_AES BIT(2) ++#define MTK_ALG_MASK GENMASK(2, 0) ++/* hash and hmac algorithms */ ++#define MTK_HASH_MD5 BIT(3) ++#define MTK_HASH_SHA1 BIT(4) ++#define MTK_HASH_SHA224 BIT(5) ++#define MTK_HASH_SHA256 BIT(6) ++#define MTK_HASH_HMAC BIT(7) ++#define MTK_HASH_MASK GENMASK(6, 3) ++/* cipher modes */ ++#define MTK_MODE_CBC BIT(8) ++#define MTK_MODE_ECB BIT(9) ++#define MTK_MODE_CTR BIT(10) ++#define MTK_MODE_RFC3686 BIT(11) ++#define MTK_MODE_MASK GENMASK(10, 8) ++ ++/* cipher encryption/decryption operations */ ++#define MTK_ENCRYPT BIT(12) ++#define MTK_DECRYPT BIT(13) ++ ++#define MTK_BUSY BIT(14) ++ ++/* descriptor flags */ ++#define MTK_DESC_ASYNC BIT(31) ++#define MTK_DESC_SKCIPHER BIT(30) ++#define MTK_DESC_AEAD BIT(29) ++#define MTK_DESC_AHASH BIT(28) ++#define MTK_DESC_PRNG BIT(27) ++#define MTK_DESC_FAKE_HMAC BIT(26) ++#define MTK_DESC_LAST BIT(25) ++#define MTK_DESC_FINISH BIT(24) ++#define MTK_DESC_IPSEC BIT(23) ++#define MTK_DESC_DMA_IV BIT(22) ++ ++#define IS_DES(flags) (flags & MTK_ALG_DES) ++#define IS_3DES(flags) (flags & MTK_ALG_3DES) ++#define IS_AES(flags) (flags & MTK_ALG_AES) ++ ++#define IS_HASH_MD5(flags) (flags & MTK_HASH_MD5) ++#define IS_HASH_SHA1(flags) (flags & MTK_HASH_SHA1) ++#define IS_HASH_SHA224(flags) (flags & MTK_HASH_SHA224) ++#define IS_HASH_SHA256(flags) (flags & MTK_HASH_SHA256) ++#define IS_HMAC(flags) (flags & MTK_HASH_HMAC) ++ ++#define IS_CBC(mode) (mode & MTK_MODE_CBC) ++#define IS_ECB(mode) (mode & MTK_MODE_ECB) ++#define IS_CTR(mode) (mode & MTK_MODE_CTR) ++#define IS_RFC3686(mode) (mode & MTK_MODE_RFC3686) ++ ++#define IS_BUSY(flags) (flags & MTK_BUSY) ++#define IS_DMA_IV(flags) (flags & MTK_DESC_DMA_IV) ++ ++#define IS_ENCRYPT(dir) (dir & MTK_ENCRYPT) ++#define IS_DECRYPT(dir) (dir & MTK_DECRYPT) ++ ++#define IS_CIPHER(flags) (flags & (MTK_ALG_DES || \ ++ MTK_ALG_3DES || \ ++ MTK_ALG_AES)) ++ ++#define IS_HASH(flags) (flags & (MTK_HASH_MD5 || \ ++ MTK_HASH_SHA1 || \ ++ MTK_HASH_SHA224 || \ ++ MTK_HASH_SHA256)) ++ ++/** ++ * struct mtk_device - crypto engine device structure ++ */ ++struct mtk_device { ++ void __iomem *base; ++ struct device *dev; ++ struct clk *clk; ++ int irq; ++ struct mtk_ring *ring; ++ struct mtk_state_pool *saState_pool; ++}; ++ ++struct mtk_desc_ring { ++ void *base; ++ void *base_end; ++ dma_addr_t base_dma; ++ /* write and read pointers */ ++ void *read; ++ void *write; ++ /* descriptor element offset */ ++ u32 offset; ++}; ++ ++struct mtk_state_pool { ++ void *base; ++ dma_addr_t base_dma; ++ bool in_use; ++}; ++ ++struct mtk_ring { ++ struct tasklet_struct done_task; ++ /* command/result rings */ ++ struct mtk_desc_ring cdr; ++ struct mtk_desc_ring rdr; ++ spinlock_t write_lock; ++ spinlock_t read_lock; ++ atomic_t free; ++ /* saState */ ++ struct mtk_state_pool *saState_pool; ++ void *saState; ++ dma_addr_t saState_dma; ++}; ++ ++enum mtk_alg_type { ++ MTK_ALG_TYPE_AEAD, ++ MTK_ALG_TYPE_SKCIPHER, ++}; ++ ++struct mtk_alg_template { ++ struct mtk_device *mtk; ++ enum mtk_alg_type type; ++ u32 flags; ++ union { ++ struct aead_alg aead; ++ struct skcipher_alg skcipher; ++ } alg; ++}; ++ ++#endif /* _EIP93_MAIN_H_ */ +--- /dev/null ++++ b/drivers/crypto/mtk-eip93/eip93-regs.h +@@ -0,0 +1,382 @@ ++/* SPDX-License-Identifier: GPL-2.0 */ ++/* ++ * Copyright (C) 2019 - 2021 ++ * ++ * Richard van Schagen ++ */ ++#ifndef REG_EIP93_H ++#define REG_EIP93_H ++ ++#define EIP93_REG_WIDTH 4 ++/*----------------------------------------------------------------------------- ++ * Register Map ++ */ ++#define DESP_BASE 0x0000000 ++#define EIP93_REG_PE_CTRL_STAT ((DESP_BASE)+(0x00 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_SOURCE_ADDR ((DESP_BASE)+(0x01 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_DEST_ADDR ((DESP_BASE)+(0x02 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_SA_ADDR ((DESP_BASE)+(0x03 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_ADDR ((DESP_BASE)+(0x04 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_USER_ID ((DESP_BASE)+(0x06 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_LENGTH ((DESP_BASE)+(0x07 * EIP93_REG_WIDTH)) ++ ++//PACKET ENGINE RING configuration registers ++#define PE_RNG_BASE 0x0000080 ++ ++#define EIP93_REG_PE_CDR_BASE ((PE_RNG_BASE)+(0x00 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_RDR_BASE ((PE_RNG_BASE)+(0x01 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_RING_CONFIG ((PE_RNG_BASE)+(0x02 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_RING_THRESH ((PE_RNG_BASE)+(0x03 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_CD_COUNT ((PE_RNG_BASE)+(0x04 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_RD_COUNT ((PE_RNG_BASE)+(0x05 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_RING_RW_PNTR ((PE_RNG_BASE)+(0x06 * EIP93_REG_WIDTH)) ++ ++//PACKET ENGINE configuration registers ++#define PE_CFG_BASE 0x0000100 ++#define EIP93_REG_PE_CONFIG ((PE_CFG_BASE)+(0x00 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_STATUS ((PE_CFG_BASE)+(0x01 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_BUF_THRESH ((PE_CFG_BASE)+(0x03 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_INBUF_COUNT ((PE_CFG_BASE)+(0x04 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_OUTBUF_COUNT ((PE_CFG_BASE)+(0x05 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_BUF_RW_PNTR ((PE_CFG_BASE)+(0x06 * EIP93_REG_WIDTH)) ++ ++//PACKET ENGINE endian config ++#define EN_CFG_BASE 0x00001CC ++#define EIP93_REG_PE_ENDIAN_CONFIG ((EN_CFG_BASE)+(0x00 * EIP93_REG_WIDTH)) ++ ++//EIP93 CLOCK control registers ++#define CLOCK_BASE 0x01E8 ++#define EIP93_REG_PE_CLOCK_CTRL ((CLOCK_BASE)+(0x00 * EIP93_REG_WIDTH)) ++ ++//EIP93 Device Option and Revision Register ++#define REV_BASE 0x01F4 ++#define EIP93_REG_PE_OPTION_1 ((REV_BASE)+(0x00 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_OPTION_0 ((REV_BASE)+(0x01 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PE_REVISION ((REV_BASE)+(0x02 * EIP93_REG_WIDTH)) ++ ++//EIP93 Interrupt Control Register ++#define INT_BASE 0x0200 ++#define EIP93_REG_INT_UNMASK_STAT ((INT_BASE)+(0x00 * EIP93_REG_WIDTH)) ++#define EIP93_REG_INT_MASK_STAT ((INT_BASE)+(0x01 * EIP93_REG_WIDTH)) ++#define EIP93_REG_INT_CLR ((INT_BASE)+(0x01 * EIP93_REG_WIDTH)) ++#define EIP93_REG_INT_MASK ((INT_BASE)+(0x02 * EIP93_REG_WIDTH)) ++#define EIP93_REG_INT_CFG ((INT_BASE)+(0x03 * EIP93_REG_WIDTH)) ++#define EIP93_REG_MASK_ENABLE ((INT_BASE)+(0X04 * EIP93_REG_WIDTH)) ++#define EIP93_REG_MASK_DISABLE ((INT_BASE)+(0X05 * EIP93_REG_WIDTH)) ++ ++//EIP93 SA Record register ++#define SA_BASE 0x0400 ++#define EIP93_REG_SA_CMD_0 ((SA_BASE)+(0x00 * EIP93_REG_WIDTH)) ++#define EIP93_REG_SA_CMD_1 ((SA_BASE)+(0x01 * EIP93_REG_WIDTH)) ++ ++//#define EIP93_REG_SA_READY ((SA_BASE)+(31 * EIP93_REG_WIDTH)) ++ ++//State save register ++#define STATE_BASE 0x0500 ++#define EIP93_REG_STATE_IV_0 ((STATE_BASE)+(0x00 * EIP93_REG_WIDTH)) ++#define EIP93_REG_STATE_IV_1 ((STATE_BASE)+(0x01 * EIP93_REG_WIDTH)) ++ ++#define EIP93_PE_ARC4STATE_BASEADDR_REG 0x0700 ++ ++//RAM buffer start address ++#define EIP93_INPUT_BUFFER 0x0800 ++#define EIP93_OUTPUT_BUFFER 0x0800 ++ ++//EIP93 PRNG Configuration Register ++#define PRNG_BASE 0x0300 ++#define EIP93_REG_PRNG_STAT ((PRNG_BASE)+(0x00 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_CTRL ((PRNG_BASE)+(0x01 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_SEED_0 ((PRNG_BASE)+(0x02 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_SEED_1 ((PRNG_BASE)+(0x03 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_SEED_2 ((PRNG_BASE)+(0x04 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_SEED_3 ((PRNG_BASE)+(0x05 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_KEY_0 ((PRNG_BASE)+(0x06 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_KEY_1 ((PRNG_BASE)+(0x07 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_KEY_2 ((PRNG_BASE)+(0x08 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_KEY_3 ((PRNG_BASE)+(0x09 * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_RES_0 ((PRNG_BASE)+(0x0A * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_RES_1 ((PRNG_BASE)+(0x0B * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_RES_2 ((PRNG_BASE)+(0x0C * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_RES_3 ((PRNG_BASE)+(0x0D * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_LFSR_0 ((PRNG_BASE)+(0x0E * EIP93_REG_WIDTH)) ++#define EIP93_REG_PRNG_LFSR_1 ((PRNG_BASE)+(0x0F * EIP93_REG_WIDTH)) ++ ++/*----------------------------------------------------------------------------- ++ * Constants & masks ++ */ ++ ++#define EIP93_SUPPORTED_INTERRUPTS_MASK 0xffff7f00 ++#define EIP93_PRNG_DT_TEXT_LOWERHALF 0xDEAD ++#define EIP93_PRNG_DT_TEXT_UPPERHALF 0xC0DE ++#define EIP93_10BITS_MASK 0X3FF ++#define EIP93_12BITS_MASK 0XFFF ++#define EIP93_4BITS_MASK 0X04 ++#define EIP93_20BITS_MASK 0xFFFFF ++ ++#define EIP93_MIN_DESC_DONE_COUNT 0 ++#define EIP93_MAX_DESC_DONE_COUNT 15 ++ ++#define EIP93_MIN_DESC_PENDING_COUNT 0 ++#define EIP93_MAX_DESC_PENDING_COUNT 1023 ++ ++#define EIP93_MIN_TIMEOUT_COUNT 0 ++#define EIP93_MAX_TIMEOUT_COUNT 15 ++ ++#define EIP93_MIN_PE_INPUT_THRESHOLD 1 ++#define EIP93_MAX_PE_INPUT_THRESHOLD 511 ++ ++#define EIP93_MIN_PE_OUTPUT_THRESHOLD 1 ++#define EIP93_MAX_PE_OUTPUT_THRESHOLD 432 ++ ++#define EIP93_MIN_PE_RING_SIZE 1 ++#define EIP93_MAX_PE_RING_SIZE 1023 ++ ++#define EIP93_MIN_PE_DESCRIPTOR_SIZE 7 ++#define EIP93_MAX_PE_DESCRIPTOR_SIZE 15 ++ ++//3DES keys,seed,known data and its result ++#define EIP93_KEY_0 0x133b3454 ++#define EIP93_KEY_1 0x5e5b890b ++#define EIP93_KEY_2 0x5eb30757 ++#define EIP93_KEY_3 0x93ab15f7 ++#define EIP93_SEED_0 0x62c4bf5e ++#define EIP93_SEED_1 0x972667c8 ++#define EIP93_SEED_2 0x6345bf67 ++#define EIP93_SEED_3 0xcb3482bf ++#define EIP93_LFSR_0 0xDEADC0DE ++#define EIP93_LFSR_1 0xBEEFF00D ++ ++/*----------------------------------------------------------------------------- ++ * EIP93 device initialization specifics ++ */ ++ ++/*---------------------------------------------------------------------------- ++ * Byte Order Reversal Mechanisms Supported in EIP93 ++ * EIP93_BO_REVERSE_HALF_WORD : reverse the byte order within a half-word ++ * EIP93_BO_REVERSE_WORD : reverse the byte order within a word ++ * EIP93_BO_REVERSE_DUAL_WORD : reverse the byte order within a dual-word ++ * EIP93_BO_REVERSE_QUAD_WORD : reverse the byte order within a quad-word ++ */ ++enum EIP93_Byte_Order_Value_t { ++ EIP93_BO_REVERSE_HALF_WORD = 1, ++ EIP93_BO_REVERSE_WORD = 2, ++ EIP93_BO_REVERSE_DUAL_WORD = 4, ++ EIP93_BO_REVERSE_QUAD_WORD = 8, ++}; ++ ++/*---------------------------------------------------------------------------- ++ * Byte Order Reversal Mechanisms Supported in EIP93 for Target Data ++ * EIP93_BO_REVERSE_HALF_WORD : reverse the byte order within a half-word ++ * EIP93_BO_REVERSE_WORD : reverse the byte order within a word ++ */ ++enum EIP93_Byte_Order_Value_TD_t { ++ EIP93_BO_REVERSE_HALF_WORD_TD = 1, ++ EIP93_BO_REVERSE_WORD_TD = 2, ++}; ++ ++// BYTE_ORDER_CFG register values ++#define EIP93_BYTE_ORDER_PD EIP93_BO_REVERSE_WORD ++#define EIP93_BYTE_ORDER_SA EIP93_BO_REVERSE_WORD ++#define EIP93_BYTE_ORDER_DATA EIP93_BO_REVERSE_WORD ++#define EIP93_BYTE_ORDER_TD EIP93_BO_REVERSE_WORD_TD ++ ++// INT_CFG register values ++#define EIP93_INT_HOST_OUTPUT_TYPE 0 ++#define EIP93_INT_PULSE_CLEAR 0 ++ ++/* ++ * Interrupts of EIP93 ++ */ ++ ++enum EIP93_InterruptSource_t { ++ EIP93_INT_PE_CDRTHRESH_REQ = BIT(0), ++ EIP93_INT_PE_RDRTHRESH_REQ = BIT(1), ++ EIP93_INT_PE_OPERATION_DONE = BIT(9), ++ EIP93_INT_PE_INBUFTHRESH_REQ = BIT(10), ++ EIP93_INT_PE_OUTBURTHRSH_REQ = BIT(11), ++ EIP93_INT_PE_PRNG_IRQ = BIT(12), ++ EIP93_INT_PE_ERR_REG = BIT(13), ++ EIP93_INT_PE_RD_DONE_IRQ = BIT(16), ++}; ++ ++union peConfig_w { ++ u32 word; ++ struct { ++ u32 resetPE :1; ++ u32 resetRing :1; ++ u32 reserved :6; ++ u32 peMode :2; ++ u32 enCDRupdate :1; ++ u32 reserved2 :5; ++ u32 swapCDRD :1; ++ u32 swapSA :1; ++ u32 swapData :1; ++ u32 reserved3 :13; ++ } bits; ++} __packed; ++ ++union peEndianCfg_w { ++ u32 word; ++ struct { ++ u32 masterByteSwap :8; ++ u32 reserved :8; ++ u32 targetByteSwap :8; ++ u32 reserved2 :8; ++ } bits; ++} __packed; ++ ++union peIntCfg_w { ++ u32 word; ++ struct { ++ u32 PulseClear :1; ++ u32 IntType :1; ++ u32 reserved :30; ++ } bits; ++} __packed; ++ ++union peClockCfg_w { ++ u32 word; ++ struct { ++ u32 enPEclk :1; ++ u32 enDESclk :1; ++ u32 enAESclk :1; ++ u32 reserved :1; ++ u32 enHASHclk :1; ++ u32 reserved2 :27; ++ } bits; ++} __packed; ++ ++union peBufThresh_w { ++ u32 word; ++ struct { ++ u32 inputBuffer :8; ++ u32 reserved :8; ++ u32 outputBuffer :8; ++ u32 reserved2 :8; ++ } bits; ++} __packed; ++ ++union peRingThresh_w { ++ u32 word; ++ struct { ++ u32 CDRThresh :10; ++ u32 reserved :6; ++ u32 RDRThresh :10; ++ u32 RDTimeout :4; ++ u32 reserved2 :1; ++ u32 enTimeout :1; ++ } bits; ++} __packed; ++ ++union peRingCfg_w { ++ u32 word; ++ struct { ++ u32 ringSize :10; ++ u32 reserved :6; ++ u32 ringOffset :8; ++ u32 reserved2 :8; ++ } bits; ++} __packed; ++ ++union saCmd0 { ++ u32 word; ++ struct { ++ u32 opCode :3; ++ u32 direction :1; ++ u32 opGroup :2; ++ u32 padType :2; ++ u32 cipher :4; ++ u32 hash :4; ++ u32 reserved2 :1; ++ u32 scPad :1; ++ u32 extPad :1; ++ u32 hdrProc :1; ++ u32 digestLength :4; ++ u32 ivSource :2; ++ u32 hashSource :2; ++ u32 saveIv :1; ++ u32 saveHash :1; ++ u32 reserved1 :2; ++ } bits; ++} __packed; ++ ++union saCmd1 { ++ u32 word; ++ struct { ++ u32 copyDigest :1; ++ u32 copyHeader :1; ++ u32 copyPayload :1; ++ u32 copyPad :1; ++ u32 reserved4 :4; ++ u32 cipherMode :2; ++ u32 reserved3 :1; ++ u32 sslMac :1; ++ u32 hmac :1; ++ u32 byteOffset :1; ++ u32 reserved2 :2; ++ u32 hashCryptOffset :8; ++ u32 aesKeyLen :3; ++ u32 reserved1 :1; ++ u32 aesDecKey :1; ++ u32 seqNumCheck :1; ++ u32 reserved0 :2; ++ } bits; ++} __packed; ++ ++struct saRecord_s { ++ union saCmd0 saCmd0; ++ union saCmd1 saCmd1; ++ u32 saKey[8]; ++ u32 saIDigest[8]; ++ u32 saODigest[8]; ++ u32 saSpi; ++ u32 saSeqNum[2]; ++ u32 saSeqNumMask[2]; ++ u32 saNonce; ++} __packed; ++ ++struct saState_s { ++ u32 stateIv[4]; ++ u32 stateByteCnt[2]; ++ u32 stateIDigest[8]; ++} __packed; ++ ++union peCrtlStat_w { ++ u32 word; ++ struct { ++ u32 hostReady :1; ++ u32 peReady :1; ++ u32 reserved :1; ++ u32 initArc4 :1; ++ u32 hashFinal :1; ++ u32 haltMode :1; ++ u32 prngMode :2; ++ u32 padValue :8; ++ u32 errStatus :8; ++ u32 padCrtlStat :8; ++ } bits; ++} __packed; ++ ++union peLength_w { ++ u32 word; ++ struct { ++ u32 length :20; ++ u32 reserved :2; ++ u32 hostReady :1; ++ u32 peReady :1; ++ u32 byPass :8; ++ } bits; ++} __packed; ++ ++struct eip93_descriptor_s { ++ union peCrtlStat_w peCrtlStat; ++ u32 srcAddr; ++ u32 dstAddr; ++ u32 saAddr; ++ u32 stateAddr; ++ u32 arc4Addr; ++ u32 userId; ++ union peLength_w peLength; ++} __packed; ++ ++#endif +--- a/drivers/crypto/Kconfig ++++ b/drivers/crypto/Kconfig +@@ -824,4 +824,6 @@ config CRYPTO_DEV_SA2UL + source "drivers/crypto/keembay/Kconfig" + source "drivers/crypto/aspeed/Kconfig" + ++source "drivers/crypto/mtk-eip93/Kconfig" ++ + endif # CRYPTO_HW +--- a/drivers/crypto/Makefile ++++ b/drivers/crypto/Makefile +@@ -53,3 +53,4 @@ obj-y += xilinx/ + obj-y += hisilicon/ + obj-$(CONFIG_CRYPTO_DEV_AMLOGIC_GXL) += amlogic/ + obj-y += keembay/ ++obj-$(CONFIG_CRYPTO_DEV_EIP93) += mtk-eip93/