From: Vignesh R Date: Tue, 5 Feb 2019 12:01:25 +0000 (+0530) Subject: soc: keystone: Merge into ti specific directory X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=91dba55ca6ae0ae22702852f9a73748eb1e21cf9;p=project%2Fbcm63xx%2Fu-boot.git soc: keystone: Merge into ti specific directory Merge drivers/soc/keystone/ into drivers/soc/ti/ and convert CONFIG_TI_KEYSTONE_SERDES into Kconfig. Signed-off-by: Vignesh R Reviewed-by: Tom Rini --- diff --git a/arch/arm/mach-keystone/Kconfig b/arch/arm/mach-keystone/Kconfig index d24596eccb..e06eba5aea 100644 --- a/arch/arm/mach-keystone/Kconfig +++ b/arch/arm/mach-keystone/Kconfig @@ -9,18 +9,24 @@ config TARGET_K2HK_EVM select SPL_BOARD_INIT if SPL select CMD_DDR3 imply DM_I2C + imply SOC_TI + imply TI_KEYSTONE_SERDES config TARGET_K2E_EVM bool "TI Keystone 2 Edison EVM" select SPL_BOARD_INIT if SPL select CMD_DDR3 imply DM_I2C + imply SOC_TI + imply TI_KEYSTONE_SERDES config TARGET_K2L_EVM bool "TI Keystone 2 Lamar EVM" select SPL_BOARD_INIT if SPL select CMD_DDR3 imply DM_I2C + imply SOC_TI + imply TI_KEYSTONE_SERDES config TARGET_K2G_EVM bool "TI Keystone 2 Galileo EVM" @@ -29,6 +35,8 @@ config TARGET_K2G_EVM select TI_I2C_BOARD_DETECT select CMD_DDR3 imply DM_I2C + imply SOC_TI + imply TI_KEYSTONE_SERDES endchoice diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile index 8b7ead546e..ce253b7aa8 100644 --- a/drivers/soc/Makefile +++ b/drivers/soc/Makefile @@ -2,5 +2,4 @@ # # Makefile for the U-Boot SOC specific device drivers. -obj-$(CONFIG_ARCH_KEYSTONE) += keystone/ obj-$(CONFIG_SOC_TI) += ti/ diff --git a/drivers/soc/keystone/Makefile b/drivers/soc/keystone/Makefile deleted file mode 100644 index dfebb143e0..0000000000 --- a/drivers/soc/keystone/Makefile +++ /dev/null @@ -1,3 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0+ - -obj-$(CONFIG_TI_KEYSTONE_SERDES) += keystone_serdes.o diff --git a/drivers/soc/keystone/keystone_serdes.c b/drivers/soc/keystone/keystone_serdes.c deleted file mode 100644 index 7907e6f977..0000000000 --- a/drivers/soc/keystone/keystone_serdes.c +++ /dev/null @@ -1,209 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * TI serdes driver for keystone2. - * - * (C) Copyright 2014 - * Texas Instruments Incorporated, - */ - -#include -#include -#include - -#define SERDES_CMU_REGS(x) (0x0000 + (0x0c00 * (x))) -#define SERDES_LANE_REGS(x) (0x0200 + (0x200 * (x))) -#define SERDES_COMLANE_REGS 0x0a00 -#define SERDES_WIZ_REGS 0x1fc0 - -#define SERDES_CMU_REG_000(x) (SERDES_CMU_REGS(x) + 0x000) -#define SERDES_CMU_REG_010(x) (SERDES_CMU_REGS(x) + 0x010) -#define SERDES_COMLANE_REG_000 (SERDES_COMLANE_REGS + 0x000) -#define SERDES_LANE_REG_000(x) (SERDES_LANE_REGS(x) + 0x000) -#define SERDES_LANE_REG_028(x) (SERDES_LANE_REGS(x) + 0x028) -#define SERDES_LANE_CTL_STATUS_REG(x) (SERDES_WIZ_REGS + 0x0020 + (4 * (x))) -#define SERDES_PLL_CTL_REG (SERDES_WIZ_REGS + 0x0034) - -#define SERDES_RESET BIT(28) -#define SERDES_LANE_RESET BIT(29) -#define SERDES_LANE_LOOPBACK BIT(30) -#define SERDES_LANE_EN_VAL(x, y, z) (x[y] | (z << 26) | (z << 10)) - -#define SERDES_CMU_CFG_NUM 5 -#define SERDES_COMLANE_CFG_NUM 10 -#define SERDES_LANE_CFG_NUM 10 - -struct serdes_cfg { - u32 ofs; - u32 val; - u32 mask; -}; - -struct cfg_entry { - enum ks2_serdes_clock clk; - enum ks2_serdes_rate rate; - struct serdes_cfg cmu[SERDES_CMU_CFG_NUM]; - struct serdes_cfg comlane[SERDES_COMLANE_CFG_NUM]; - struct serdes_cfg lane[SERDES_LANE_CFG_NUM]; -}; - -/* SERDES PHY lane enable configuration value, indexed by PHY interface */ -static u32 serdes_cfg_lane_enable[] = { - 0xf000f0c0, /* SGMII */ - 0xf0e9f038, /* PCSR */ -}; - -/* SERDES PHY PLL enable configuration value, indexed by PHY interface */ -static u32 serdes_cfg_pll_enable[] = { - 0xe0000000, /* SGMII */ - 0xee000000, /* PCSR */ -}; - -/** - * Array to hold all possible serdes configurations. - * Combination for 5 clock settings and 6 baud rates. - */ -static struct cfg_entry cfgs[] = { - { - .clk = SERDES_CLOCK_156P25M, - .rate = SERDES_RATE_5G, - .cmu = { - {0x0000, 0x00800000, 0xffff0000}, - {0x0014, 0x00008282, 0x0000ffff}, - {0x0060, 0x00142438, 0x00ffffff}, - {0x0064, 0x00c3c700, 0x00ffff00}, - {0x0078, 0x0000c000, 0x0000ff00} - }, - .comlane = { - {0x0a00, 0x00000800, 0x0000ff00}, - {0x0a08, 0x38a20000, 0xffff0000}, - {0x0a30, 0x008a8a00, 0x00ffff00}, - {0x0a84, 0x00000600, 0x0000ff00}, - {0x0a94, 0x10000000, 0xff000000}, - {0x0aa0, 0x81000000, 0xff000000}, - {0x0abc, 0xff000000, 0xff000000}, - {0x0ac0, 0x0000008b, 0x000000ff}, - {0x0b08, 0x583f0000, 0xffff0000}, - {0x0b0c, 0x0000004e, 0x000000ff} - }, - .lane = { - {0x0004, 0x38000080, 0xff0000ff}, - {0x0008, 0x00000000, 0x000000ff}, - {0x000c, 0x02000000, 0xff000000}, - {0x0010, 0x1b000000, 0xff000000}, - {0x0014, 0x00006fb8, 0x0000ffff}, - {0x0018, 0x758000e4, 0xffff00ff}, - {0x00ac, 0x00004400, 0x0000ff00}, - {0x002c, 0x00100800, 0x00ffff00}, - {0x0080, 0x00820082, 0x00ff00ff}, - {0x0084, 0x1d0f0385, 0xffffffff} - }, - }, -}; - -static inline void ks2_serdes_rmw(u32 addr, u32 value, u32 mask) -{ - writel(((readl(addr) & (~mask)) | (value & mask)), addr); -} - -static void ks2_serdes_cfg_setup(u32 base, struct serdes_cfg *cfg, u32 size) -{ - u32 i; - - for (i = 0; i < size; i++) - ks2_serdes_rmw(base + cfg[i].ofs, cfg[i].val, cfg[i].mask); -} - -static void ks2_serdes_lane_config(u32 base, struct serdes_cfg *cfg_lane, - u32 size, u32 lane) -{ - u32 i; - - for (i = 0; i < size; i++) - ks2_serdes_rmw(base + cfg_lane[i].ofs + SERDES_LANE_REGS(lane), - cfg_lane[i].val, cfg_lane[i].mask); -} - -static int ks2_serdes_init_cfg(u32 base, struct cfg_entry *cfg, u32 num_lanes) -{ - u32 i; - - ks2_serdes_cfg_setup(base, cfg->cmu, SERDES_CMU_CFG_NUM); - ks2_serdes_cfg_setup(base, cfg->comlane, SERDES_COMLANE_CFG_NUM); - - for (i = 0; i < num_lanes; i++) - ks2_serdes_lane_config(base, cfg->lane, SERDES_LANE_CFG_NUM, i); - - return 0; -} - -static void ks2_serdes_cmu_comlane_enable(u32 base, struct ks2_serdes *serdes) -{ - /* Bring SerDes out of Reset */ - ks2_serdes_rmw(base + SERDES_CMU_REG_010(0), 0x0, SERDES_RESET); - if (serdes->intf == SERDES_PHY_PCSR) - ks2_serdes_rmw(base + SERDES_CMU_REG_010(1), 0x0, SERDES_RESET); - - /* Enable CMU and COMLANE */ - ks2_serdes_rmw(base + SERDES_CMU_REG_000(0), 0x03, 0x000000ff); - if (serdes->intf == SERDES_PHY_PCSR) - ks2_serdes_rmw(base + SERDES_CMU_REG_000(1), 0x03, 0x000000ff); - - ks2_serdes_rmw(base + SERDES_COMLANE_REG_000, 0x5f, 0x000000ff); -} - -static void ks2_serdes_pll_enable(u32 base, struct ks2_serdes *serdes) -{ - writel(serdes_cfg_pll_enable[serdes->intf], - base + SERDES_PLL_CTL_REG); -} - -static void ks2_serdes_lane_reset(u32 base, u32 reset, u32 lane) -{ - if (reset) - ks2_serdes_rmw(base + SERDES_LANE_REG_028(lane), - 0x1, SERDES_LANE_RESET); - else - ks2_serdes_rmw(base + SERDES_LANE_REG_028(lane), - 0x0, SERDES_LANE_RESET); -} - -static void ks2_serdes_lane_enable(u32 base, - struct ks2_serdes *serdes, u32 lane) -{ - /* Bring lane out of reset */ - ks2_serdes_lane_reset(base, 0, lane); - - writel(SERDES_LANE_EN_VAL(serdes_cfg_lane_enable, serdes->intf, - serdes->rate_mode), - base + SERDES_LANE_CTL_STATUS_REG(lane)); - - /* Set NES bit if Loopback Enabled */ - if (serdes->loopback) - ks2_serdes_rmw(base + SERDES_LANE_REG_000(lane), - 0x1, SERDES_LANE_LOOPBACK); -} - -int ks2_serdes_init(u32 base, struct ks2_serdes *serdes, u32 num_lanes) -{ - int i; - int ret = 0; - - for (i = 0; i < ARRAY_SIZE(cfgs); i++) - if (serdes->clk == cfgs[i].clk && serdes->rate == cfgs[i].rate) - break; - - if (i >= ARRAY_SIZE(cfgs)) { - puts("Cannot find keystone SerDes configuration"); - return -EINVAL; - } - - ks2_serdes_init_cfg(base, &cfgs[i], num_lanes); - - ks2_serdes_cmu_comlane_enable(base, serdes); - for (i = 0; i < num_lanes; i++) - ks2_serdes_lane_enable(base, serdes, i); - - ks2_serdes_pll_enable(base, serdes); - - return ret; -} diff --git a/drivers/soc/ti/Kconfig b/drivers/soc/ti/Kconfig index 8c0f3c07b2..e4f8834448 100644 --- a/drivers/soc/ti/Kconfig +++ b/drivers/soc/ti/Kconfig @@ -16,5 +16,11 @@ config TI_K3_NAVSS_RINGACC and a consumer. There is one RINGACC module per NAVSS on TI AM65x SoCs If unsure, say N. +config TI_KEYSTONE_SERDES + bool "Keystone SerDes driver for ethernet" + depends on ARCH_KEYSTONE + help + SerDes driver for Keystone SoC used for ethernet support on TI + K2 platforms. endif # SOC_TI diff --git a/drivers/soc/ti/Makefile b/drivers/soc/ti/Makefile index 63e21aaad4..4ec04ee125 100644 --- a/drivers/soc/ti/Makefile +++ b/drivers/soc/ti/Makefile @@ -1,5 +1,4 @@ # SPDX-License-Identifier: GPL-2.0+ -# -# TI K3 SOC drivers -# + obj-$(CONFIG_TI_K3_NAVSS_RINGACC) += k3-navss-ringacc.o +obj-$(CONFIG_TI_KEYSTONE_SERDES) += keystone_serdes.o diff --git a/drivers/soc/ti/keystone_serdes.c b/drivers/soc/ti/keystone_serdes.c new file mode 100644 index 0000000000..7907e6f977 --- /dev/null +++ b/drivers/soc/ti/keystone_serdes.c @@ -0,0 +1,209 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * TI serdes driver for keystone2. + * + * (C) Copyright 2014 + * Texas Instruments Incorporated, + */ + +#include +#include +#include + +#define SERDES_CMU_REGS(x) (0x0000 + (0x0c00 * (x))) +#define SERDES_LANE_REGS(x) (0x0200 + (0x200 * (x))) +#define SERDES_COMLANE_REGS 0x0a00 +#define SERDES_WIZ_REGS 0x1fc0 + +#define SERDES_CMU_REG_000(x) (SERDES_CMU_REGS(x) + 0x000) +#define SERDES_CMU_REG_010(x) (SERDES_CMU_REGS(x) + 0x010) +#define SERDES_COMLANE_REG_000 (SERDES_COMLANE_REGS + 0x000) +#define SERDES_LANE_REG_000(x) (SERDES_LANE_REGS(x) + 0x000) +#define SERDES_LANE_REG_028(x) (SERDES_LANE_REGS(x) + 0x028) +#define SERDES_LANE_CTL_STATUS_REG(x) (SERDES_WIZ_REGS + 0x0020 + (4 * (x))) +#define SERDES_PLL_CTL_REG (SERDES_WIZ_REGS + 0x0034) + +#define SERDES_RESET BIT(28) +#define SERDES_LANE_RESET BIT(29) +#define SERDES_LANE_LOOPBACK BIT(30) +#define SERDES_LANE_EN_VAL(x, y, z) (x[y] | (z << 26) | (z << 10)) + +#define SERDES_CMU_CFG_NUM 5 +#define SERDES_COMLANE_CFG_NUM 10 +#define SERDES_LANE_CFG_NUM 10 + +struct serdes_cfg { + u32 ofs; + u32 val; + u32 mask; +}; + +struct cfg_entry { + enum ks2_serdes_clock clk; + enum ks2_serdes_rate rate; + struct serdes_cfg cmu[SERDES_CMU_CFG_NUM]; + struct serdes_cfg comlane[SERDES_COMLANE_CFG_NUM]; + struct serdes_cfg lane[SERDES_LANE_CFG_NUM]; +}; + +/* SERDES PHY lane enable configuration value, indexed by PHY interface */ +static u32 serdes_cfg_lane_enable[] = { + 0xf000f0c0, /* SGMII */ + 0xf0e9f038, /* PCSR */ +}; + +/* SERDES PHY PLL enable configuration value, indexed by PHY interface */ +static u32 serdes_cfg_pll_enable[] = { + 0xe0000000, /* SGMII */ + 0xee000000, /* PCSR */ +}; + +/** + * Array to hold all possible serdes configurations. + * Combination for 5 clock settings and 6 baud rates. + */ +static struct cfg_entry cfgs[] = { + { + .clk = SERDES_CLOCK_156P25M, + .rate = SERDES_RATE_5G, + .cmu = { + {0x0000, 0x00800000, 0xffff0000}, + {0x0014, 0x00008282, 0x0000ffff}, + {0x0060, 0x00142438, 0x00ffffff}, + {0x0064, 0x00c3c700, 0x00ffff00}, + {0x0078, 0x0000c000, 0x0000ff00} + }, + .comlane = { + {0x0a00, 0x00000800, 0x0000ff00}, + {0x0a08, 0x38a20000, 0xffff0000}, + {0x0a30, 0x008a8a00, 0x00ffff00}, + {0x0a84, 0x00000600, 0x0000ff00}, + {0x0a94, 0x10000000, 0xff000000}, + {0x0aa0, 0x81000000, 0xff000000}, + {0x0abc, 0xff000000, 0xff000000}, + {0x0ac0, 0x0000008b, 0x000000ff}, + {0x0b08, 0x583f0000, 0xffff0000}, + {0x0b0c, 0x0000004e, 0x000000ff} + }, + .lane = { + {0x0004, 0x38000080, 0xff0000ff}, + {0x0008, 0x00000000, 0x000000ff}, + {0x000c, 0x02000000, 0xff000000}, + {0x0010, 0x1b000000, 0xff000000}, + {0x0014, 0x00006fb8, 0x0000ffff}, + {0x0018, 0x758000e4, 0xffff00ff}, + {0x00ac, 0x00004400, 0x0000ff00}, + {0x002c, 0x00100800, 0x00ffff00}, + {0x0080, 0x00820082, 0x00ff00ff}, + {0x0084, 0x1d0f0385, 0xffffffff} + }, + }, +}; + +static inline void ks2_serdes_rmw(u32 addr, u32 value, u32 mask) +{ + writel(((readl(addr) & (~mask)) | (value & mask)), addr); +} + +static void ks2_serdes_cfg_setup(u32 base, struct serdes_cfg *cfg, u32 size) +{ + u32 i; + + for (i = 0; i < size; i++) + ks2_serdes_rmw(base + cfg[i].ofs, cfg[i].val, cfg[i].mask); +} + +static void ks2_serdes_lane_config(u32 base, struct serdes_cfg *cfg_lane, + u32 size, u32 lane) +{ + u32 i; + + for (i = 0; i < size; i++) + ks2_serdes_rmw(base + cfg_lane[i].ofs + SERDES_LANE_REGS(lane), + cfg_lane[i].val, cfg_lane[i].mask); +} + +static int ks2_serdes_init_cfg(u32 base, struct cfg_entry *cfg, u32 num_lanes) +{ + u32 i; + + ks2_serdes_cfg_setup(base, cfg->cmu, SERDES_CMU_CFG_NUM); + ks2_serdes_cfg_setup(base, cfg->comlane, SERDES_COMLANE_CFG_NUM); + + for (i = 0; i < num_lanes; i++) + ks2_serdes_lane_config(base, cfg->lane, SERDES_LANE_CFG_NUM, i); + + return 0; +} + +static void ks2_serdes_cmu_comlane_enable(u32 base, struct ks2_serdes *serdes) +{ + /* Bring SerDes out of Reset */ + ks2_serdes_rmw(base + SERDES_CMU_REG_010(0), 0x0, SERDES_RESET); + if (serdes->intf == SERDES_PHY_PCSR) + ks2_serdes_rmw(base + SERDES_CMU_REG_010(1), 0x0, SERDES_RESET); + + /* Enable CMU and COMLANE */ + ks2_serdes_rmw(base + SERDES_CMU_REG_000(0), 0x03, 0x000000ff); + if (serdes->intf == SERDES_PHY_PCSR) + ks2_serdes_rmw(base + SERDES_CMU_REG_000(1), 0x03, 0x000000ff); + + ks2_serdes_rmw(base + SERDES_COMLANE_REG_000, 0x5f, 0x000000ff); +} + +static void ks2_serdes_pll_enable(u32 base, struct ks2_serdes *serdes) +{ + writel(serdes_cfg_pll_enable[serdes->intf], + base + SERDES_PLL_CTL_REG); +} + +static void ks2_serdes_lane_reset(u32 base, u32 reset, u32 lane) +{ + if (reset) + ks2_serdes_rmw(base + SERDES_LANE_REG_028(lane), + 0x1, SERDES_LANE_RESET); + else + ks2_serdes_rmw(base + SERDES_LANE_REG_028(lane), + 0x0, SERDES_LANE_RESET); +} + +static void ks2_serdes_lane_enable(u32 base, + struct ks2_serdes *serdes, u32 lane) +{ + /* Bring lane out of reset */ + ks2_serdes_lane_reset(base, 0, lane); + + writel(SERDES_LANE_EN_VAL(serdes_cfg_lane_enable, serdes->intf, + serdes->rate_mode), + base + SERDES_LANE_CTL_STATUS_REG(lane)); + + /* Set NES bit if Loopback Enabled */ + if (serdes->loopback) + ks2_serdes_rmw(base + SERDES_LANE_REG_000(lane), + 0x1, SERDES_LANE_LOOPBACK); +} + +int ks2_serdes_init(u32 base, struct ks2_serdes *serdes, u32 num_lanes) +{ + int i; + int ret = 0; + + for (i = 0; i < ARRAY_SIZE(cfgs); i++) + if (serdes->clk == cfgs[i].clk && serdes->rate == cfgs[i].rate) + break; + + if (i >= ARRAY_SIZE(cfgs)) { + puts("Cannot find keystone SerDes configuration"); + return -EINVAL; + } + + ks2_serdes_init_cfg(base, &cfgs[i], num_lanes); + + ks2_serdes_cmu_comlane_enable(base, serdes); + for (i = 0; i < num_lanes; i++) + ks2_serdes_lane_enable(base, serdes, i); + + ks2_serdes_pll_enable(base, serdes); + + return ret; +} diff --git a/include/configs/ti_armv7_keystone2.h b/include/configs/ti_armv7_keystone2.h index fb8c082c1d..52638cef4b 100644 --- a/include/configs/ti_armv7_keystone2.h +++ b/include/configs/ti_armv7_keystone2.h @@ -132,9 +132,6 @@ #define CONFIG_KSNET_SERDES_SGMII2_BASE KS2_SGMII_SERDES2_BASE #define CONFIG_KSNET_SERDES_LANES_PER_SGMII KS2_LANES_PER_SGMII_SERDES -/* SerDes */ -#define CONFIG_TI_KEYSTONE_SERDES - #define CONFIG_AEMIF_CNTRL_BASE KS2_AEMIF_CNTRL_BASE /* I2C Configuration */ diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt index 8c7c1592a5..fa98efc24c 100644 --- a/scripts/config_whitelist.txt +++ b/scripts/config_whitelist.txt @@ -4399,7 +4399,6 @@ CONFIG_THOR_RESET_OFF CONFIG_THUNDERX CONFIG_TIMESTAMP CONFIG_TIZEN -CONFIG_TI_KEYSTONE_SERDES CONFIG_TI_KSNAV CONFIG_TI_SPI_MMAP CONFIG_TMU_TIMER