From: Hauke Mehrtens Date: Sat, 4 Jan 2014 23:46:44 +0000 (+0000) Subject: bcm53xx: make the l2x0 L2 cache controller work X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e0027ed4abef834297a54d95309688bc22f4d77c;p=openwrt%2Fstaging%2Fluka.git bcm53xx: make the l2x0 L2 cache controller work This fixes the DMA problems with the Ethernet driver. This also updates some other parts of the patches. Signed-off-by: Hauke Mehrtens SVN-Revision: 39203 --- diff --git a/target/linux/bcm53xx/config-3.10 b/target/linux/bcm53xx/config-3.10 index 1e12a9424e..8fea646217 100644 --- a/target/linux/bcm53xx/config-3.10 +++ b/target/linux/bcm53xx/config-3.10 @@ -1,6 +1,6 @@ CONFIG_ALIGNMENT_TRAP=y # CONFIG_ARCH_BCM is not set -CONFIG_ARCH_BCM53XX=y +CONFIG_ARCH_BCM_5301X=y CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y CONFIG_ARCH_HAS_TICK_BROADCAST=y @@ -48,7 +48,8 @@ CONFIG_BCMA_HOST_PCI=y CONFIG_BCMA_HOST_PCI_POSSIBLE=y CONFIG_BCMA_HOST_SOC=y CONFIG_BGMAC=y -# CONFIG_CACHE_L2X0 is not set +CONFIG_CACHE_L2X0=y +CONFIG_CACHE_PL310=y CONFIG_CC_OPTIMIZE_FOR_SIZE=y CONFIG_CLKDEV_LOOKUP=y CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK=y @@ -71,7 +72,7 @@ CONFIG_CPU_RMAP=y CONFIG_CPU_TLB_V7=y CONFIG_CPU_V7=y CONFIG_DCACHE_WORD_ACCESS=y -CONFIG_DEBUG_BCM53XX=y +CONFIG_DEBUG_BCM_5301X=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_LL=y CONFIG_DEBUG_LL_INCLUDE="debug/bcm53xx.S" @@ -165,11 +166,17 @@ CONFIG_OF_PCI=y CONFIG_OF_PCI_IRQ=y CONFIG_OLD_SIGACTION=y CONFIG_OLD_SIGSUSPEND3=y +CONFIG_OUTER_CACHE=y +CONFIG_OUTER_CACHE_SYNC=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_PAGE_OFFSET=0xC0000000 CONFIG_PCI=y CONFIG_PERF_USE_VMALLOC=y CONFIG_PHYLIB=y +# CONFIG_PL310_ERRATA_588369 is not set +# CONFIG_PL310_ERRATA_727915 is not set +# CONFIG_PL310_ERRATA_753970 is not set +# CONFIG_PL310_ERRATA_769419 is not set # CONFIG_PREEMPT_RCU is not set CONFIG_RCU_STALL_COMMON=y CONFIG_RFS_ACCEL=y diff --git a/target/linux/bcm53xx/image/Makefile b/target/linux/bcm53xx/image/Makefile index 62544c6492..13f26f4509 100644 --- a/target/linux/bcm53xx/image/Makefile +++ b/target/linux/bcm53xx/image/Makefile @@ -14,7 +14,7 @@ define Image/Prepare endef define Image/Build/Initramfs - $(call Image/Build/Initramfs/Chk,bcm5301-netgear-r6250,U12H245T00_NETGEAR,2,initramfs) + $(call Image/Build/Initramfs/Chk,bcm4708-netgear-r6250,U12H245T00_NETGEAR,2,initramfs) endef define Image/Build/Initramfs/Chk @@ -49,7 +49,7 @@ endef define Image/Build $(call Image/Build/$(1),$(1)) - $(call Image/Build/squashfs/Chk,bcm5301-netgear-r6250,U12H245T00_NETGEAR,2,squashfs) + $(call Image/Build/squashfs/Chk,bcm4708-netgear-r6250,U12H245T00_NETGEAR,2,squashfs) endef diff --git a/target/linux/bcm53xx/patches-3.10/051-bcm53xx-initial-support-for-the-BCM5301-BCM470X-SoC-.patch b/target/linux/bcm53xx/patches-3.10/051-bcm53xx-initial-support-for-the-BCM5301-BCM470X-SoC-.patch index 3760b0c85b..154b61931e 100644 --- a/target/linux/bcm53xx/patches-3.10/051-bcm53xx-initial-support-for-the-BCM5301-BCM470X-SoC-.patch +++ b/target/linux/bcm53xx/patches-3.10/051-bcm53xx-initial-support-for-the-BCM5301-BCM470X-SoC-.patch @@ -42,9 +42,9 @@ Signed-off-by: Hauke Mehrtens bool "Kernel low-level debugging on BCM2835 PL011 UART" depends on ARCH_BCM2835 -+ config DEBUG_BCM53XX ++ config DEBUG_BCM_5301X + bool "Kernel low-level debugging on BCM53XX UART1" -+ depends on ARCH_BCM53XX ++ depends on ARCH_BCM_5301X + config DEBUG_CLPS711X_UART1 bool "Kernel low-level debugging messages via UART1" @@ -53,7 +53,7 @@ Signed-off-by: Hauke Mehrtens config DEBUG_LL_INCLUDE string default "debug/bcm2835.S" if DEBUG_BCM2835 -+ default "debug/bcm53xx.S" if DEBUG_BCM53XX ++ default "debug/bcm53xx.S" if DEBUG_BCM_5301X default "debug/cns3xxx.S" if DEBUG_CNS3XXX default "debug/exynos.S" if DEBUG_EXYNOS_UART default "debug/highbank.S" if DEBUG_HIGHBANK_UART @@ -63,7 +63,7 @@ Signed-off-by: Hauke Mehrtens machine-$(CONFIG_ARCH_AT91) += at91 machine-$(CONFIG_ARCH_BCM) += bcm machine-$(CONFIG_ARCH_BCM2835) += bcm2835 -+machine-$(CONFIG_ARCH_BCM53XX) += bcm53xx ++machine-$(CONFIG_ARCH_BCM_5301X) += bcm53xx machine-$(CONFIG_ARCH_CLPS711X) += clps711x machine-$(CONFIG_ARCH_CNS3XXX) += cns3xxx machine-$(CONFIG_ARCH_DAVINCI) += davinci @@ -73,15 +73,15 @@ Signed-off-by: Hauke Mehrtens wm8650-mid.dtb \ wm8850-w70v2.dtb dtb-$(CONFIG_ARCH_ZYNQ) += zynq-zc702.dtb -+dtb-$(CONFIG_ARCH_BCM53XX) += bcm5301-netgear-r6250.dtb ++dtb-$(CONFIG_ARCH_BCM_5301X) += bcm4708-netgear-r6250.dtb targets += dtbs targets += $(dtb-y) --- /dev/null -+++ b/arch/arm/boot/dts/bcm5301-netgear-r6250.dts ++++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts @@ -0,0 +1,20 @@ +/* -+ * Broadcom BCM47XX / BCM53XX arm platform code. ++ * Broadcom BCM470X / BCM5301X arm platform code. + * + * Copyright 2013 Hauke Mehrtens + * @@ -90,36 +90,39 @@ Signed-off-by: Hauke Mehrtens + +/dts-v1/; + -+/include/ "bcm5301.dtsi" ++#include "bcm4708.dtsi" + +/ { ++ compatible = "netgear,r6250v1", "broadcom,bcm4708"; + model = "Netgear R6250 V1 (BCM4708)"; -+ compatible = "netgear,r6250v1", "brcm,bcm5301"; + + memory { + reg = <0x00000000 0x08000000>; + }; +}; --- /dev/null -+++ b/arch/arm/boot/dts/bcm5301.dtsi -@@ -0,0 +1,83 @@ ++++ b/arch/arm/boot/dts/bcm4708.dtsi +@@ -0,0 +1,100 @@ +/* -+ * Broadcom BCM47XX / BCM53XX ARM platform code. ++ * Broadcom BCM470X / BCM5301X ARM platform code. + * + * Copyright 2013 Hauke Mehrtens + * + * Licensed under the GNU/GPL. See COPYING for details. + */ + -+/include/ "skeleton.dtsi" ++#include ++#include ++ ++#include "skeleton.dtsi" + +/ { -+ compatible = "brcm,bcm5301"; -+ model = "BCM5301/BCM4707/BCM4708/BCM4709 SoC"; ++ compatible = "broadcom,bcm4708"; ++ model = "Broadcom BCM4708"; + interrupt-parent = <&gic>; + + chosen { -+ bootargs = "console=ttyS0,115200 earlyprintk debug vmalloc=64M"; ++ bootargs = "console=ttyS0,115200 debug earlyprintk"; + }; + + cpus { @@ -129,11 +132,13 @@ Signed-off-by: Hauke Mehrtens + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; ++ next-level-cache = <&L2>; + reg = <0>; + }; + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; ++ next-level-cache = <&L2>; + reg = <1>; + }; + }; @@ -152,14 +157,14 @@ Signed-off-by: Hauke Mehrtens + uart@18000300 { + compatible = "ns16550"; + reg = <0x18000300 0x100>; -+ interrupts = <0 85 4>; ++ interrupts = ; + clock-frequency = <100000000>; + }; + + uart@18000400 { + compatible = "ns16550"; + reg = <0x18000400 0x100>; -+ interrupts = <0 85 4>; ++ interrupts = ; + clock-frequency = <100000000>; + }; + @@ -175,15 +180,27 @@ Signed-off-by: Hauke Mehrtens + timer@19020200 { + compatible = "arm,cortex-a9-global-timer"; + reg = <0x19020200 0x100>; -+ interrupts = <1 11 0xf04>; ++ interrupts = ; + clocks = <&clk_periph>; -+ #clock-cells = <0>; + }; + -+ local-timer@19020200 { ++ local-timer@19020600 { + compatible = "arm,cortex-a9-twd-timer"; + reg = <0x19020600 0x100>; -+ interrupts = <1 13 0xf04>; ++ interrupts = ; ++ clocks = <&clk_periph>; ++ }; ++ ++ L2: cache-controller@19022000 { ++ compatible = "arm,pl310-cache"; ++ reg = <0x19022000 0x1000>; ++ cache-unified; ++ cache-level = <2>; ++ }; ++ ++ scu@19020000 { ++ compatible = "arm,cortex-a9-scu"; ++ reg = <0x19020000 0x100>; + }; +}; --- /dev/null @@ -210,32 +227,42 @@ Signed-off-by: Hauke Mehrtens +#include --- /dev/null +++ b/arch/arm/mach-bcm53xx/Kconfig -@@ -0,0 +1,16 @@ -+config ARCH_BCM53XX -+ bool "Broadcom BCM47XX / BCM53XX ARM SoC" -+ select CPU_V7 +@@ -0,0 +1,26 @@ ++config ARCH_BCM_5301X ++ bool "Broadcom BCM470X / BCM5301X ARM SoC" if ARCH_MULTI_V7 ++ depends on MMU + select ARM_GIC ++ select CACHE_L2X0 + select HAVE_ARM_SCU if SMP -+ select HAVE_ARM_TWD if LOCAL_TIMERS ++ select HAVE_ARM_TWD if SMP + select HAVE_SMP -+ select HAVE_CLK -+ select LOCAL_TIMERS if SMP -+ select GENERIC_TIME -+ select GENERIC_CLOCKEVENTS_BUILD ++ select COMMON_CLK + select GENERIC_CLOCKEVENTS ++ select GENERIC_TIME + select ARM_GLOBAL_TIMER ++ select CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK + select MIGHT_HAVE_PCI + help -+ Support for Broadcom BCM47XX and BCM53XX SoCs with ARM CPU cores. ++ Support for Broadcom BCM470X and BCM5301X SoCs with ARM CPU cores. ++ ++ This is a network SoC line mostly used in home routers and ++ wifi access points. ++ This inclused the following SoC: BCM53010, BCM53011, BCM53012, ++ BCM53014, BCM53015, BCM53016, BCM53017, BCM53018, BCM4707, ++ BCM4708 and BCM4709. ++ ++ Do not confuse this with the BCM4760 which is a totally ++ different SoC or with the older BCM47XX and BCM53XX based ++ network SoC using a MIPS CPU, they are supported by arch/mips/bcm47xx --- /dev/null +++ b/arch/arm/mach-bcm53xx/Makefile @@ -0,0 +1 @@ +obj-y += bcm53xx.o --- /dev/null +++ b/arch/arm/mach-bcm53xx/bcm53xx.c -@@ -0,0 +1,69 @@ +@@ -0,0 +1,60 @@ +/* -+ * Broadcom BCM47XX / BCM53XX ARM platform code. ++ * Broadcom BCM470X / BCM5301X ARM platform code. + * + * Copyright 2013 Hauke Mehrtens + * @@ -243,21 +270,19 @@ Signed-off-by: Hauke Mehrtens + */ +#include +#include -+#include +#include +#include ++#include + +#include +#include -+#include +#include + -+static int bcm53xx_abort_handler(unsigned long addr, unsigned int fsr, ++static int bcm5301x_abort_handler(unsigned long addr, unsigned int fsr, + struct pt_regs *regs) +{ + /* -+ * These happen for no good reason -+ * possibly left over from CFE ++ * These happen for no good reason, possibly left over from CFE + */ + pr_warn("External imprecise Data abort at addr=%#lx, fsr=%#x ignored.\n", + addr, fsr); @@ -266,40 +291,33 @@ Signed-off-by: Hauke Mehrtens + return 0; +} + -+static void bcm53xx_aborts_enable(void) ++static void __init bcm5301x_init_early(void) +{ + /* Install our hook */ -+ hook_fault_code(16 + 6, bcm53xx_abort_handler, SIGBUS, 0, ++ hook_fault_code(16 + 6, bcm5301x_abort_handler, SIGBUS, 0, + "imprecise external abort"); +} + -+static void __init bcm53xx_timer_init(void) ++static void __init bcm5301x_timer_init(void) +{ + of_clk_init(NULL); + clocksource_of_init(); +} + -+void __init bcm53xx_map_io(void) -+{ -+ debug_ll_io_init(); -+ bcm53xx_aborts_enable(); -+} -+ -+static void __init bcm53xx_dt_init(void) ++static void __init bcm5301x_dt_init(void) +{ ++ l2x0_of_init(0, ~0UL); + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +} + -+static const char const *bcm53xx_dt_compat[] = { -+ "brcm,bcm5301", -+ "netgear,r6250v1", ++static const char __initconst *bcm5301x_dt_compat[] = { ++ "broadcom,bcm4708", + NULL, +}; + -+DT_MACHINE_START(BCM53XX, "BCM53XX") -+ .init_machine = bcm53xx_dt_init, -+ .map_io = bcm53xx_map_io, -+ .init_irq = irqchip_init, -+ .init_time = bcm53xx_timer_init, -+ .dt_compat = bcm53xx_dt_compat, ++DT_MACHINE_START(BCM5301X, "BCM5301X") ++ .init_early = bcm5301x_init_early, ++ .init_time = bcm5301x_timer_init, ++ .init_machine = bcm5301x_dt_init, ++ .dt_compat = bcm5301x_dt_compat, +MACHINE_END diff --git a/target/linux/bcm53xx/patches-3.10/052-bcm53xx-register-bcma-bus.patch b/target/linux/bcm53xx/patches-3.10/052-bcm53xx-register-bcma-bus.patch index 86b536ea17..249717ffb2 100644 --- a/target/linux/bcm53xx/patches-3.10/052-bcm53xx-register-bcma-bus.patch +++ b/target/linux/bcm53xx/patches-3.10/052-bcm53xx-register-bcma-bus.patch @@ -2,12 +2,12 @@ bcm53xx: register bcma bus Signed-off-by: Hauke Mehrtens --- - arch/arm/boot/dts/bcm5301.dtsi | 5 +++++ + arch/arm/boot/dts/bcm4708.dtsi | 5 +++++ 1 file changed, 5 insertions(+) ---- a/arch/arm/boot/dts/bcm5301.dtsi -+++ b/arch/arm/boot/dts/bcm5301.dtsi -@@ -67,6 +67,11 @@ +--- a/arch/arm/boot/dts/bcm4708.dtsi ++++ b/arch/arm/boot/dts/bcm4708.dtsi +@@ -72,6 +72,11 @@ <0x19020100 0x100>; }; diff --git a/target/linux/bcm53xx/patches-3.10/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch b/target/linux/bcm53xx/patches-3.10/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch index e11a31f1f2..73bffe59a3 100644 --- a/target/linux/bcm53xx/patches-3.10/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch +++ b/target/linux/bcm53xx/patches-3.10/202-bgmac-make-bgmac-work-on-systems-without-nvram.patch @@ -31,18 +31,7 @@ The PHY says it is not connected by default, just ignore it. static const struct bcma_device_id bgmac_bcma_tbl[] = { BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_4706_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS), -@@ -165,6 +169,10 @@ static netdev_tx_t bgmac_dma_tx_add(stru - - netdev_sent_queue(net_dev, skb->len); - -+ if (bgmac->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM4707 || -+ bgmac->core->bus->chipinfo.id == BCMA_CHIP_ID_BCM53018) -+ mdelay(1); -+ - wmb(); - - /* Increase ring->end to point empty slot. We tell hardware the first -@@ -1438,7 +1446,7 @@ static int bgmac_probe(struct bcma_devic +@@ -1438,7 +1442,7 @@ static int bgmac_probe(struct bcma_devic int err; /* We don't support 2nd, 3rd, ... units, SPROM has to be adjusted */ @@ -51,7 +40,7 @@ The PHY says it is not connected by default, just ignore it. pr_err("Unsupported core_unit %d\n", core->core_unit); return -ENOTSUPP; } -@@ -1534,8 +1542,7 @@ static int bgmac_probe(struct bcma_devic +@@ -1534,8 +1538,7 @@ static int bgmac_probe(struct bcma_devic /* TODO: reset the external phy. Specs are needed */ bgmac_phy_reset(bgmac);