From 5ea6da2c711e25cc3d0a78058f91426528040880 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Tue, 17 Feb 2015 20:28:36 +0000 Subject: [PATCH] mpc85xx: add v3.18 support Signed-off-by: John Crispin git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44485 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- target/linux/mpc85xx/config-3.18 | 297 ++++++++++ ...erpc-85xx-add-gpio-keys-to-of-match-table.patch | 10 + .../patches-3.18/100-fix_mpc8568e_mds.patch | 32 ++ .../mpc85xx/patches-3.18/110-fix_mpc8548_cds.patch | 40 ++ .../120-mpc8548_cds_i8259_noirq_init.patch | 23 + .../130-mpc8548_cds_disable_i8259_irq.patch | 13 + .../140-powerpc-85xx-tl-wdr4900-v1-support.patch | 615 +++++++++++++++++++++ .../150-powerpc-85xx-fix-etsec-ranges.patch | 30 + ...210-spi-fsl-espi-preallocate-local-buffer.patch | 147 +++++ 9 files changed, 1207 insertions(+) create mode 100644 target/linux/mpc85xx/config-3.18 create mode 100644 target/linux/mpc85xx/patches-3.18/001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch create mode 100644 target/linux/mpc85xx/patches-3.18/100-fix_mpc8568e_mds.patch create mode 100644 target/linux/mpc85xx/patches-3.18/110-fix_mpc8548_cds.patch create mode 100644 target/linux/mpc85xx/patches-3.18/120-mpc8548_cds_i8259_noirq_init.patch create mode 100644 target/linux/mpc85xx/patches-3.18/130-mpc8548_cds_disable_i8259_irq.patch create mode 100644 target/linux/mpc85xx/patches-3.18/140-powerpc-85xx-tl-wdr4900-v1-support.patch create mode 100644 target/linux/mpc85xx/patches-3.18/150-powerpc-85xx-fix-etsec-ranges.patch create mode 100644 target/linux/mpc85xx/patches-3.18/210-spi-fsl-espi-preallocate-local-buffer.patch diff --git a/target/linux/mpc85xx/config-3.18 b/target/linux/mpc85xx/config-3.18 new file mode 100644 index 0000000000..9535301f04 --- /dev/null +++ b/target/linux/mpc85xx/config-3.18 @@ -0,0 +1,297 @@ +# CONFIG_40x is not set +# CONFIG_44x is not set +# CONFIG_ADVANCED_OPTIONS is not set +CONFIG_AR8216_PHY=y +CONFIG_AR8216_PHY_LEDS=y +CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y +CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y +CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y +CONFIG_ARCH_HAS_ILOG2_U32=y +CONFIG_ARCH_HAS_SG_CHAIN=y +CONFIG_ARCH_HAS_WALK_MEMORY=y +CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y +CONFIG_ARCH_HIBERNATION_POSSIBLE=y +CONFIG_ARCH_MAY_HAVE_PC_FDC=y +CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y +CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y +# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set +# CONFIG_ARCH_RANDOM is not set +CONFIG_ARCH_REQUIRE_GPIOLIB=y +CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y +CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y +CONFIG_ARCH_SUPPORTS_UPROBES=y +CONFIG_ARCH_SUSPEND_POSSIBLE=y +CONFIG_ARCH_USE_BUILTIN_BSWAP=y +CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y +CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y +CONFIG_AUDIT_ARCH=y +CONFIG_BOOKE=y +CONFIG_BOUNCE=y +# CONFIG_BSC9131_RDB is not set +# CONFIG_BSC9132_QDS is not set +# CONFIG_C293_PCIE is not set +CONFIG_CLONE_BACKWARDS=y +CONFIG_CMDLINE="console=ttyS0,115200" +CONFIG_CMDLINE_BOOL=y +# CONFIG_CORENET_GENERIC is not set +# CONFIG_CPM2 is not set +CONFIG_CPU_BIG_ENDIAN=y +# CONFIG_CPU_LITTLE_ENDIAN is not set +# CONFIG_CRYPTO_SHA1_PPC is not set +CONFIG_DEBUG_BUGVERBOSE=y +CONFIG_DEFAULT_UIMAGE=y +CONFIG_DEVKMEM=y +CONFIG_DNOTIFY=y +CONFIG_DTC=y +# CONFIG_E200 is not set +CONFIG_E500=y +CONFIG_EARLY_PRINTK=y +CONFIG_ENABLE_MUST_CHECK=y +# CONFIG_EPAPR_BOOT is not set +CONFIG_ETHERNET_PACKET_MANGLE=y +CONFIG_FSL_BOOKE=y +CONFIG_FSL_EMB_PERFMON=y +CONFIG_FSL_LBC=y +CONFIG_FSL_PCI=y +CONFIG_FSL_PQ_MDIO=y +CONFIG_FSL_SOC=y +CONFIG_FSL_SOC_BOOKE=y +CONFIG_FSL_ULI1575=y +CONFIG_GENERIC_ATOMIC64=y +CONFIG_GENERIC_BUG=y +CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BUILD=y +CONFIG_GENERIC_CMOS_UPDATE=y +# CONFIG_GENERIC_CSUM is not set +CONFIG_GENERIC_IO=y +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GENERIC_IRQ_SHOW_LEVEL=y +CONFIG_GENERIC_ISA_DMA=y +CONFIG_GENERIC_NVRAM=y +CONFIG_GENERIC_PCI_IOMAP=y +CONFIG_GENERIC_SMP_IDLE_THREAD=y +CONFIG_GENERIC_STRNCPY_FROM_USER=y +CONFIG_GENERIC_STRNLEN_USER=y +# CONFIG_GENERIC_TBSYNC is not set +CONFIG_GENERIC_TIME_VSYSCALL_OLD=y +CONFIG_GEN_RTC=y +# CONFIG_GEN_RTC_X is not set +# CONFIG_GE_FPGA is not set +# CONFIG_GE_IMP3A is not set +CONFIG_GIANFAR=y +CONFIG_GPIOLIB=y +CONFIG_GPIO_DEVRES=y +CONFIG_GPIO_MPC8XXX=y +CONFIG_GPIO_SYSFS=y +# CONFIG_HAMRADIO is not set +CONFIG_HAS_DMA=y +CONFIG_HAS_IOMEM=y +CONFIG_HAS_IOPORT_MAP=y +CONFIG_HAS_RAPIDIO=y +# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set +CONFIG_HAVE_ARCH_AUDITSYSCALL=y +CONFIG_HAVE_ARCH_JUMP_LABEL=y +CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_ARCH_TRACEHOOK=y +# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set +CONFIG_HAVE_DEBUG_KMEMLEAK=y +CONFIG_HAVE_DEBUG_STACKOVERFLOW=y +CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_DMA_ATTRS=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y +CONFIG_HAVE_FUNCTION_TRACER=y +# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set +CONFIG_HAVE_IDE=y +CONFIG_HAVE_IOREMAP_PROT=y +CONFIG_HAVE_IRQ_EXIT_ON_IRQ_STACK=y +CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_HAVE_MEMBLOCK=y +CONFIG_HAVE_MEMBLOCK_NODE_MAP=y +CONFIG_HAVE_MOD_ARCH_SPECIFIC=y +CONFIG_HAVE_NET_DSA=y +CONFIG_HAVE_OPROFILE=y +CONFIG_HAVE_PERF_EVENTS=y +CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y +# CONFIG_HAVE_SETUP_PER_CPU_AREA is not set +CONFIG_HAVE_SYSCALL_TRACEPOINTS=y +CONFIG_HZ=250 +# CONFIG_HZ_100 is not set +CONFIG_HZ_250=y +CONFIG_HZ_PERIODIC=y +CONFIG_INET_DIAG=y +CONFIG_INET_TCP_DIAG=y +CONFIG_INITRAMFS_SOURCE="" +CONFIG_IOMMU_HELPER=y +# CONFIG_IPIC is not set +CONFIG_IRQCHIP=y +CONFIG_IRQ_DOMAIN=y +CONFIG_IRQ_FORCED_THREADING=y +CONFIG_IRQ_WORK=y +CONFIG_ISA_DMA_API=y +CONFIG_KERNEL_START=0xc0000000 +CONFIG_KERNFS=y +# CONFIG_KSI8560 is not set +CONFIG_LEGACY_PTYS=y +CONFIG_LEGACY_PTY_COUNT=256 +CONFIG_LIBFDT=y +CONFIG_LOWMEM_CAM_NUM=3 +CONFIG_LOWMEM_SIZE=0x30000000 +CONFIG_LXT_PHY=y +# CONFIG_MATH_EMULATION is not set +CONFIG_MDIO_BOARDINFO=y +CONFIG_MIGRATION=y +# CONFIG_MMIO_NVRAM is not set +CONFIG_MODULES_USE_ELF_RELA=y +# CONFIG_MPC8536_DS is not set +# CONFIG_MPC8540_ADS is not set +# CONFIG_MPC8560_ADS is not set +CONFIG_MPC85xx_CDS=y +# CONFIG_MPC85xx_DS is not set +CONFIG_MPC85xx_MDS=y +CONFIG_MPC85xx_RDB=y +CONFIG_MPIC=y +# CONFIG_MPIC_MSGR is not set +CONFIG_MPIC_TIMER=y +# CONFIG_MPIC_U3_HT_IRQS is not set +# CONFIG_MPIC_WEIRD is not set +# CONFIG_MTD_CFI is not set +CONFIG_MTD_M25P80=y +CONFIG_MTD_SPI_NOR=y +CONFIG_MTD_SPLIT_SUPPORT=y +# CONFIG_NEED_DMA_MAP_STATE is not set +# CONFIG_NEED_PER_CPU_EMBED_FIRST_CHUNK is not set +CONFIG_NEED_PER_CPU_KM=y +CONFIG_NEED_SG_DMA_LENGTH=y +# CONFIG_NONSTATIC_KERNEL is not set +CONFIG_NR_IRQS=512 +CONFIG_OF=y +CONFIG_OF_ADDRESS=y +CONFIG_OF_ADDRESS_PCI=y +CONFIG_OF_EARLY_FLATTREE=y +CONFIG_OF_FLATTREE=y +CONFIG_OF_GPIO=y +CONFIG_OF_IRQ=y +CONFIG_OF_MDIO=y +CONFIG_OF_MTD=y +CONFIG_OF_NET=y +CONFIG_OF_PCI=y +CONFIG_OF_PCI_IRQ=y +CONFIG_OF_RESERVED_MEM=y +CONFIG_OLD_SIGACTION=y +CONFIG_OLD_SIGSUSPEND=y +CONFIG_P1010_RDB=y +# CONFIG_P1022_DS is not set +# CONFIG_P1022_RDK is not set +# CONFIG_P1023_RDB is not set +CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_PAGE_OFFSET=0xc0000000 +CONFIG_PCI=y +CONFIG_PCIEAER=y +CONFIG_PCIEASPM=y +# CONFIG_PCIEASPM_DEBUG is not set +CONFIG_PCIEASPM_DEFAULT=y +# CONFIG_PCIEASPM_PERFORMANCE is not set +# CONFIG_PCIEASPM_POWERSAVE is not set +CONFIG_PCIEPORTBUS=y +CONFIG_PCI_DOMAINS=y +CONFIG_PHYLIB=y +CONFIG_PHYSICAL_ALIGN=0x04000000 +CONFIG_PHYSICAL_START=0x00000000 +# CONFIG_PHYS_64BIT is not set +# CONFIG_PPA8548 is not set +CONFIG_PPC=y +CONFIG_PPC32=y +# CONFIG_PPC64 is not set +CONFIG_PPC_85xx=y +# CONFIG_PPC_8xx is not set +# CONFIG_PPC_970_NAP is not set +CONFIG_PPC_ADV_DEBUG_DACS=2 +CONFIG_PPC_ADV_DEBUG_DVCS=0 +CONFIG_PPC_ADV_DEBUG_IACS=2 +CONFIG_PPC_ADV_DEBUG_REGS=y +CONFIG_PPC_BOOK3E_MMU=y +# CONFIG_PPC_BOOK3S_32 is not set +# CONFIG_PPC_CELL is not set +# CONFIG_PPC_CELL_NATIVE is not set +# CONFIG_PPC_COPRO_BASE is not set +# CONFIG_PPC_DCR_MMIO is not set +# CONFIG_PPC_DCR_NATIVE is not set +CONFIG_PPC_DOORBELL=y +# CONFIG_PPC_E500MC is not set +# CONFIG_PPC_EARLY_DEBUG is not set +# CONFIG_PPC_EPAPR_HV_PIC is not set +CONFIG_PPC_FSL_BOOK3E=y +CONFIG_PPC_I8259=y +# CONFIG_PPC_ICP_HV is not set +# CONFIG_PPC_ICP_NATIVE is not set +# CONFIG_PPC_ICS_RTAS is not set +CONFIG_PPC_INDIRECT_PCI=y +CONFIG_PPC_LIB_RHEAP=y +CONFIG_PPC_MMU_NOHASH=y +# CONFIG_PPC_MM_SLICES is not set +# CONFIG_PPC_MPC106 is not set +CONFIG_PPC_OF=y +# CONFIG_PPC_P7_NAP is not set +CONFIG_PPC_PCI_CHOICE=y +# CONFIG_PPC_QEMU_E500 is not set +# CONFIG_PPC_RTAS is not set +CONFIG_PPC_SMP_MUXED_IPI=y +CONFIG_PPC_UDBG_16550=y +CONFIG_PPC_WERROR=y +# CONFIG_PPC_XICS is not set +# CONFIG_PQ2ADS is not set +# CONFIG_PREEMPT_RCU is not set +CONFIG_PROC_PAGE_MONITOR=y +# CONFIG_PTP_1588_CLOCK_GIANFAR is not set +CONFIG_QE_GPIO=y +CONFIG_QUICC_ENGINE=y +CONFIG_RAS=y +# CONFIG_RCU_STALL_COMMON is not set +CONFIG_RWSEM_XCHGADD_ALGORITHM=y +# CONFIG_SBC8548 is not set +CONFIG_SCHED_HRTICK=y +# CONFIG_SCSI_DMA is not set +CONFIG_SERIAL_8250_EXTENDED=y +CONFIG_SERIAL_8250_FSL=y +CONFIG_SERIAL_8250_SHARE_IRQ=y +CONFIG_SERIAL_OF_PLATFORM=y +# CONFIG_SERIAL_QE is not set +CONFIG_SIMPLE_GPIO=y +# CONFIG_SLAB is not set +CONFIG_SLUB=y +CONFIG_SOCK_DIAG=y +# CONFIG_SOCRATES is not set +CONFIG_SPARSE_IRQ=y +CONFIG_SPE=y +CONFIG_SPE_POSSIBLE=y +CONFIG_SPI=y +CONFIG_SPI_FSL_ESPI=y +CONFIG_SPI_FSL_LIB=y +CONFIG_SPI_MASTER=y +# CONFIG_STRIP_ASM_SYMS is not set +# CONFIG_STX_GP3 is not set +CONFIG_SWCONFIG=y +CONFIG_SWIOTLB=y +CONFIG_SYSCTL_EXCEPTION_TRACE=y +CONFIG_TASK_SIZE=0xc0000000 +CONFIG_TICK_CPU_ACCOUNTING=y +CONFIG_TL_WDR4900_V1=y +# CONFIG_TQM8540 is not set +# CONFIG_TQM8541 is not set +# CONFIG_TQM8548 is not set +# CONFIG_TQM8555 is not set +# CONFIG_TQM8560 is not set +# CONFIG_TWR_P102x is not set +CONFIG_UCC=y +CONFIG_UCC_FAST=y +CONFIG_UCC_GETH=y +# CONFIG_UGETH_TX_ON_DEMAND is not set +CONFIG_USB_SUPPORT=y +CONFIG_VM_EVENT_COUNTERS=y +CONFIG_WORD_SIZE=32 +# CONFIG_XES_MPC85xx is not set +CONFIG_XZ_DEC_BCJ=y +CONFIG_XZ_DEC_POWERPC=y diff --git a/target/linux/mpc85xx/patches-3.18/001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch b/target/linux/mpc85xx/patches-3.18/001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch new file mode 100644 index 0000000000..5e5ab10daf --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch @@ -0,0 +1,10 @@ +--- a/arch/powerpc/platforms/85xx/common.c ++++ b/arch/powerpc/platforms/85xx/common.c +@@ -30,6 +30,7 @@ static const struct of_device_id mpc85xx + { .compatible = "fsl,mpc8548-guts", }, + /* Probably unnecessary? */ + { .compatible = "gpio-leds", }, ++ { .compatible = "gpio-keys", }, + /* For all PCI controllers */ + { .compatible = "fsl,mpc8540-pci", }, + { .compatible = "fsl,mpc8548-pcie", }, diff --git a/target/linux/mpc85xx/patches-3.18/100-fix_mpc8568e_mds.patch b/target/linux/mpc85xx/patches-3.18/100-fix_mpc8568e_mds.patch new file mode 100644 index 0000000000..993b5f71c3 --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/100-fix_mpc8568e_mds.patch @@ -0,0 +1,32 @@ +--- a/arch/powerpc/boot/dts/fsl/mpc8568si-post.dtsi ++++ b/arch/powerpc/boot/dts/fsl/mpc8568si-post.dtsi +@@ -134,17 +134,8 @@ + + }; + +- duart-sleep-nexus { +- #address-cells = <1>; +- #size-cells = <1>; +- compatible = "simple-bus"; +- sleep = <&pmc 0x00000002>; +- ranges; +- + /include/ "pq3-duart-0.dtsi" + +- }; +- + L2: l2-cache-controller@20000 { + compatible = "fsl,mpc8568-l2-cache-controller"; + reg = <0x20000 0x1000>; +--- a/arch/powerpc/boot/dts/mpc8568mds.dts ++++ b/arch/powerpc/boot/dts/mpc8568mds.dts +@@ -309,6 +309,9 @@ + gpios = <&bcsr5 3 0>; + }; + }; ++ chosen { ++ linux,stdout-path = "/soc8568@e0000000/serial@4500"; ++ }; + }; + + /include/ "fsl/mpc8568si-post.dtsi" diff --git a/target/linux/mpc85xx/patches-3.18/110-fix_mpc8548_cds.patch b/target/linux/mpc85xx/patches-3.18/110-fix_mpc8548_cds.patch new file mode 100644 index 0000000000..b6dbd0d1b4 --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/110-fix_mpc8548_cds.patch @@ -0,0 +1,40 @@ +--- a/arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi ++++ b/arch/powerpc/boot/dts/fsl/mpc8548si-post.dtsi +@@ -131,7 +131,24 @@ + + /include/ "pq3-i2c-0.dtsi" + /include/ "pq3-i2c-1.dtsi" +-/include/ "pq3-duart-0.dtsi" ++ ++ serial0: serial@4600 { ++ cell-index = <1>; ++ device_type = "serial"; ++ compatible = "fsl,ns16550", "ns16550"; ++ reg = <0x4600 0x100>; ++ clock-frequency = <0>; ++ interrupts = <42 2 0 0>; ++ }; ++ ++ serial1: serial@4500 { ++ cell-index = <0>; ++ device_type = "serial"; ++ compatible = "fsl,ns16550", "ns16550"; ++ reg = <0x4500 0x100>; ++ clock-frequency = <0>; ++ interrupts = <42 2 0 0>; ++ }; + + L2: l2-cache-controller@20000 { + compatible = "fsl,mpc8548-l2-cache-controller"; +--- a/arch/powerpc/boot/dts/mpc8548cds_32b.dts ++++ b/arch/powerpc/boot/dts/mpc8548cds_32b.dts +@@ -75,6 +75,9 @@ + ranges = <0x0 0x0 0x0 0xc0000000 0x0 0x20000000>; + }; + }; ++ chosen { ++ linux,stdout-path = "/soc8548@e0000000/serial@4600"; ++ }; + }; + + /* diff --git a/target/linux/mpc85xx/patches-3.18/120-mpc8548_cds_i8259_noirq_init.patch b/target/linux/mpc85xx/patches-3.18/120-mpc8548_cds_i8259_noirq_init.patch new file mode 100644 index 0000000000..81b9193691 --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/120-mpc8548_cds_i8259_noirq_init.patch @@ -0,0 +1,23 @@ +--- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c ++++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c +@@ -247,15 +247,16 @@ static int mpc85xx_cds_8259_attach(void) + return -ENODEV; + } + ++ i8259_init(cascade_node, 0); ++ of_node_put(cascade_node); ++ + cascade_irq = irq_of_parse_and_map(cascade_node, 0); + if (cascade_irq == NO_IRQ) { +- printk(KERN_ERR "Failed to map cascade interrupt\n"); ++ of_node_put(cascade_node); ++ printk(KERN_DEBUG "No interrupt for i8259 PIC\n"); + return -ENXIO; + } + +- i8259_init(cascade_node, 0); +- of_node_put(cascade_node); +- + /* + * Hook the interrupt to make sure desc->action is never NULL. + * This is required to ensure that the interrupt does not get diff --git a/target/linux/mpc85xx/patches-3.18/130-mpc8548_cds_disable_i8259_irq.patch b/target/linux/mpc85xx/patches-3.18/130-mpc8548_cds_disable_i8259_irq.patch new file mode 100644 index 0000000000..7d9e63c750 --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/130-mpc8548_cds_disable_i8259_irq.patch @@ -0,0 +1,13 @@ +--- a/arch/powerpc/boot/dts/mpc8548cds.dtsi ++++ b/arch/powerpc/boot/dts/mpc8548cds.dtsi +@@ -289,8 +289,10 @@ + #address-cells = <0>; + #interrupt-cells = <2>; + compatible = "chrp,iic"; ++/* + interrupts = <0 1 0 0>; + interrupt-parent = <&mpic>; ++*/ + }; + + rtc@70 { diff --git a/target/linux/mpc85xx/patches-3.18/140-powerpc-85xx-tl-wdr4900-v1-support.patch b/target/linux/mpc85xx/patches-3.18/140-powerpc-85xx-tl-wdr4900-v1-support.patch new file mode 100644 index 0000000000..6a6eeac4d0 --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/140-powerpc-85xx-tl-wdr4900-v1-support.patch @@ -0,0 +1,615 @@ +From 406d86e5990ac171f18ef6e2973672d8fbfe1556 Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Wed, 20 Feb 2013 08:40:33 +0100 +Subject: [PATCH] powerpc: 85xx: add support for the TP-Link TL-WDR4900 v1 + board + +This patch adds support for the TP-Link TL-WDR4900 v1 +concurrent dual-band wireless router. The devices uses +the Freescale P1014 SoC. + +Signed-off-by: Gabor Juhos +--- + arch/powerpc/boot/Makefile | 3 + + arch/powerpc/boot/cuboot-tl-wdr4900-v1.c | 164 +++++++++++++++++++++ + arch/powerpc/boot/dts/tl-wdr4900-v1.dts | 212 ++++++++++++++++++++++++++++ + arch/powerpc/boot/wrapper | 4 + + arch/powerpc/platforms/85xx/Kconfig | 11 ++ + arch/powerpc/platforms/85xx/Makefile | 1 + + arch/powerpc/platforms/85xx/tl_wdr4900_v1.c | 145 +++++++++++++++++++ + 7 files changed, 540 insertions(+) + create mode 100644 arch/powerpc/boot/cuboot-tl-wdr4900-v1.c + create mode 100644 arch/powerpc/boot/dts/tl-wdr4900-v1.dts + create mode 100644 arch/powerpc/platforms/85xx/tl_wdr4900_v1.c + +--- a/arch/powerpc/boot/Makefile ++++ b/arch/powerpc/boot/Makefile +@@ -112,6 +112,7 @@ src-plat-$(CONFIG_PPC_POWERNV) += pserie + src-plat-$(CONFIG_PPC_IBM_CELL_BLADE) += pseries-head.S + src-plat-$(CONFIG_PPC_CELLEB) += pseries-head.S + src-plat-$(CONFIG_PPC_CELL_QPACE) += pseries-head.S ++src-plat-$(CONFIG_TL_WDR4900_V1) += cuboot-tl-wdr4900-v1.c + + src-wlib := $(sort $(src-wlib-y)) + src-plat := $(sort $(src-plat-y)) +@@ -296,6 +297,7 @@ image-$(CONFIG_TQM8555) += cuImage.tqm + image-$(CONFIG_TQM8560) += cuImage.tqm8560 + image-$(CONFIG_SBC8548) += cuImage.sbc8548 + image-$(CONFIG_KSI8560) += cuImage.ksi8560 ++image-$(CONFIG_TL_WDR4900_V1) += cuImage.tl-wdr4900-v1 + + # Board ports in arch/powerpc/platform/embedded6xx/Kconfig + image-$(CONFIG_STORCENTER) += cuImage.storcenter +--- /dev/null ++++ b/arch/powerpc/boot/cuboot-tl-wdr4900-v1.c +@@ -0,0 +1,164 @@ ++/* ++ * U-Boot compatibility wrapper for the TP-Link TL-WDR4900 v1 board ++ * ++ * Copyright (c) 2013 Gabor Juhos ++ * ++ * Based on: ++ * cuboot-85xx.c ++ * Author: Scott Wood ++ * Copyright (c) 2007 Freescale Semiconductor, Inc. ++ * ++ * simpleboot.c ++ * Authors: Scott Wood ++ * Grant Likely ++ * Copyright (c) 2007 Freescale Semiconductor, Inc. ++ * Copyright (c) 2008 Secret Lab Technologies 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 "ops.h" ++#include "types.h" ++#include "io.h" ++#include "stdio.h" ++#include ++ ++BSS_STACK(4*1024); ++ ++static unsigned long bus_freq; ++static unsigned long int_freq; ++static u64 mem_size; ++static unsigned char enetaddr[6]; ++ ++static void process_boot_dtb(void *boot_dtb) ++{ ++ const u32 *na, *ns, *reg, *val32; ++ const char *path; ++ u64 memsize64; ++ int node, size, i; ++ ++ /* Make sure FDT blob is sane */ ++ if (fdt_check_header(boot_dtb) != 0) ++ fatal("Invalid device tree blob\n"); ++ ++ /* Find the #address-cells and #size-cells properties */ ++ node = fdt_path_offset(boot_dtb, "/"); ++ if (node < 0) ++ fatal("Cannot find root node\n"); ++ na = fdt_getprop(boot_dtb, node, "#address-cells", &size); ++ if (!na || (size != 4)) ++ fatal("Cannot find #address-cells property"); ++ ++ ns = fdt_getprop(boot_dtb, node, "#size-cells", &size); ++ if (!ns || (size != 4)) ++ fatal("Cannot find #size-cells property"); ++ ++ /* Find the memory range */ ++ node = fdt_node_offset_by_prop_value(boot_dtb, -1, "device_type", ++ "memory", sizeof("memory")); ++ if (node < 0) ++ fatal("Cannot find memory node\n"); ++ reg = fdt_getprop(boot_dtb, node, "reg", &size); ++ if (size < (*na+*ns) * sizeof(u32)) ++ fatal("cannot get memory range\n"); ++ ++ /* Only interested in memory based at 0 */ ++ for (i = 0; i < *na; i++) ++ if (*reg++ != 0) ++ fatal("Memory range is not based at address 0\n"); ++ ++ /* get the memsize and trucate it to under 4G on 32 bit machines */ ++ memsize64 = 0; ++ for (i = 0; i < *ns; i++) ++ memsize64 = (memsize64 << 32) | *reg++; ++ if (sizeof(void *) == 4 && memsize64 >= 0x100000000ULL) ++ memsize64 = 0xffffffff; ++ ++ mem_size = memsize64; ++ ++ /* get clock frequencies */ ++ node = fdt_node_offset_by_prop_value(boot_dtb, -1, "device_type", ++ "cpu", sizeof("cpu")); ++ if (!node) ++ fatal("Cannot find cpu node\n"); ++ ++ val32 = fdt_getprop(boot_dtb, node, "clock-frequency", &size); ++ if (!val32 || (size != 4)) ++ fatal("Cannot get clock frequency"); ++ ++ int_freq = *val32; ++ ++ val32 = fdt_getprop(boot_dtb, node, "bus-frequency", &size); ++ if (!val32 || (size != 4)) ++ fatal("Cannot get bus frequency"); ++ ++ bus_freq = *val32; ++ ++ path = fdt_get_alias(boot_dtb, "ethernet0"); ++ if (path) { ++ const void *p; ++ ++ node = fdt_path_offset(boot_dtb, path); ++ if (node < 0) ++ fatal("Cannot find ethernet0 node"); ++ ++ p = fdt_getprop(boot_dtb, node, "mac-address", &size); ++ if (!p || (size < 6)) { ++ printf("no mac-address property, finding local\n\r"); ++ p = fdt_getprop(boot_dtb, node, "local-mac-address", &size); ++ } ++ ++ if (!p || (size < 6)) ++ fatal("cannot get MAC addres"); ++ ++ memcpy(enetaddr, p, sizeof(enetaddr)); ++ } ++} ++ ++static void platform_fixups(void) ++{ ++ void *soc; ++ ++ dt_fixup_memory(0, mem_size); ++ ++ dt_fixup_mac_address_by_alias("ethernet0", enetaddr); ++ dt_fixup_cpu_clocks(int_freq, bus_freq / 8, bus_freq); ++ ++ /* Unfortunately, the specific model number is encoded in the ++ * soc node name in existing dts files -- once that is fixed, ++ * this can do a simple path lookup. ++ */ ++ soc = find_node_by_devtype(NULL, "soc"); ++ if (soc) { ++ void *serial = NULL; ++ ++ setprop(soc, "bus-frequency", &bus_freq, sizeof(bus_freq)); ++ ++ while ((serial = find_node_by_devtype(serial, "serial"))) { ++ if (get_parent(serial) != soc) ++ continue; ++ ++ setprop(serial, "clock-frequency", &bus_freq, ++ sizeof(bus_freq)); ++ } ++ } ++} ++ ++void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, ++ unsigned long r6, unsigned long r7) ++{ ++ mem_size = 64 * 1024 * 1024; ++ ++ simple_alloc_init(_end, mem_size - (u32)_end - 1024*1024, 32, 64); ++ ++ fdt_init(_dtb_start); ++ serial_console_init(); ++ ++ printf("\n\r-- TL-WDR4900 v1 boot wrapper --\n\r"); ++ ++ process_boot_dtb((void *) r3); ++ ++ platform_ops.fixups = platform_fixups; ++} +--- /dev/null ++++ b/arch/powerpc/boot/dts/tl-wdr4900-v1.dts +@@ -0,0 +1,212 @@ ++/* ++ * TP-Link TL-WDR4900 v1 Device Tree Source ++ * ++ * Copyright 2013 Gabor Juhos ++ * ++ * 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. ++ */ ++ ++/include/ "fsl/p1010si-pre.dtsi" ++ ++/ { ++ model = "TP-Link TL-WDR4900 v1"; ++ compatible = "tp-link,TL-WDR4900v1"; ++ ++ chosen { ++ bootargs = "console=ttyS0,115200"; ++/* ++ linux,stdout-path = "/soc@ffe00000/serial@4500"; ++*/ ++ }; ++ ++ aliases { ++ spi0 = &spi0; ++ }; ++ ++ memory { ++ device_type = "memory"; ++ }; ++ ++ soc: soc@ffe00000 { ++ ranges = <0x0 0x0 0xffe00000 0x100000>; ++ ++ spi0: spi@7000 { ++ flash@0 { ++ #address-cells = <1>; ++ #size-cells = <1>; ++ compatible = "spansion,s25fl129p1"; ++ reg = <0>; ++ spi-max-frequency = <25000000>; ++ ++ u-boot@0 { ++ reg = <0x0 0x0050000>; ++ label = "u-boot"; ++ read-only; ++ }; ++ ++ dtb@50000 { ++ reg = <0x00050000 0x00010000>; ++ label = "dtb"; ++ read-only; ++ }; ++ ++ kernel@60000 { ++ reg = <0x00060000 0x002a0000>; ++ label = "kernel"; ++ }; ++ ++ rootfs@300000 { ++ reg = <0x00300000 0x00ce0000>; ++ label = "rootfs"; ++ }; ++ ++ config@fe0000 { ++ reg = <0x00fe0000 0x00010000>; ++ label = "config"; ++ read-only; ++ }; ++ ++ caldata@ff0000 { ++ reg = <0x00ff0000 0x00010000>; ++ label = "caldata"; ++ read-only; ++ }; ++ ++ firmware@60000 { ++ reg = <0x00060000 0x00f80000>; ++ label = "firmware"; ++ }; ++ }; ++ }; ++ ++ gpio0: gpio-controller@f000 { ++ }; ++ ++ usb@22000 { ++ phy_type = "utmi"; ++ dr_mode = "host"; ++ }; ++ ++ mdio@24000 { ++ phy0: ethernet-phy@0 { ++ reg = <0x0>; ++ qca,ar8327-initvals = < ++ 0x00004 0x07600000 /* PAD0_MODE */ ++ 0x00008 0x00000000 /* PAD5_MODE */ ++ 0x0000c 0x01000000 /* PAD6_MODE */ ++ 0x00010 0x40000000 /* POWER_ON_STRIP */ ++ 0x00050 0xcf35cf35 /* LED_CTRL0 */ ++ 0x00054 0xcf35cf35 /* LED_CTRL1 */ ++ 0x00058 0xcf35cf35 /* LED_CTRL2 */ ++ 0x0005c 0x03ffff00 /* LED_CTRL3 */ ++ 0x0007c 0x0000007e /* PORT0_STATUS */ ++ >; ++ }; ++ }; ++ ++ mdio@25000 { ++ status = "disabled"; ++ }; ++ ++ mdio@26000 { ++ status = "disabled"; ++ }; ++ ++ enet0: ethernet@b0000 { ++ phy-handle = <&phy0>; ++ phy-connection-type = "rgmii-id"; ++ }; ++ ++ enet1: ethernet@b1000 { ++ status = "disabled"; ++ }; ++ ++ enet2: ethernet@b2000 { ++ status = "disabled"; ++ }; ++ ++ sdhc@2e000 { ++ status = "disabled"; ++ }; ++ ++ serial1: serial@4600 { ++ status = "disabled"; ++ }; ++ ++ can0: can@1c000 { ++ status = "disabled"; ++ }; ++ ++ can1: can@1d000 { ++ status = "disabled"; ++ }; ++ }; ++ ++ pci0: pcie@ffe09000 { ++ reg = <0 0xffe09000 0 0x1000>; ++ ranges = <0x2000000 0x0 0xa0000000 0 0xa0000000 0x0 0x20000000 ++ 0x1000000 0x0 0x00000000 0 0xffc10000 0x0 0x10000>; ++ pcie@0 { ++ ranges = <0x2000000 0x0 0xa0000000 ++ 0x2000000 0x0 0xa0000000 ++ 0x0 0x20000000 ++ ++ 0x1000000 0x0 0x0 ++ 0x1000000 0x0 0x0 ++ 0x0 0x100000>; ++ }; ++ }; ++ ++ pci1: pcie@ffe0a000 { ++ reg = <0 0xffe0a000 0 0x1000>; ++ ranges = <0x2000000 0x0 0x80000000 0 0x80000000 0x0 0x20000000 ++ 0x1000000 0x0 0x00000000 0 0xffc00000 0x0 0x10000>; ++ pcie@0 { ++ ranges = <0x2000000 0x0 0x80000000 ++ 0x2000000 0x0 0x80000000 ++ 0x0 0x20000000 ++ ++ 0x1000000 0x0 0x0 ++ 0x1000000 0x0 0x0 ++ 0x0 0x100000>; ++ }; ++ }; ++ ++ ifc: ifc@ffe1e000 { ++ status = "disabled"; ++ }; ++ ++ leds { ++ compatible = "gpio-leds"; ++ ++ system { ++ gpios = <&gpio0 2 1>; /* active low */ ++ label = "tp-link:blue:system"; ++ }; ++ ++ usb1 { ++ gpios = <&gpio0 3 1>; /* active low */ ++ label = "tp-link:green:usb1"; ++ }; ++ ++ usb2 { ++ gpios = <&gpio0 4 1>; /* active low */ ++ label = "tp-link:green:usb2"; ++ }; ++ }; ++ ++ buttons { ++ compatible = "gpio-keys"; ++ ++ reset { ++ label = "Reset button"; ++ gpios = <&gpio0 5 1>; /* active low */ ++ linux,code = <0x198>; /* KEY_RESTART */ ++ }; ++ }; ++}; ++ ++/include/ "fsl/p1010si-post.dtsi" +--- a/arch/powerpc/boot/wrapper ++++ b/arch/powerpc/boot/wrapper +@@ -218,6 +218,10 @@ cuboot*) + *-mpc85*|*-tqm85*|*-sbc85*) + platformo=$object/cuboot-85xx.o + ;; ++ *-tl-wdr4900-v1) ++ platformo=$object/cuboot-tl-wdr4900-v1.o ++ link_address='0x1000000' ++ ;; + *-amigaone) + link_address='0x800000' + ;; +--- a/arch/powerpc/platforms/85xx/Kconfig ++++ b/arch/powerpc/platforms/85xx/Kconfig +@@ -168,6 +168,17 @@ config STX_GP3 + select CPM2 + select DEFAULT_UIMAGE + ++config TL_WDR4900_V1 ++ bool "TP-Link TL-WDR4900 v1" ++ select DEFAULT_UIMAGE ++ select ARCH_REQUIRE_GPIOLIB ++ select GPIO_MPC8XXX ++ help ++ This option enables support for the TP-Link TL-WDR4900 v1 board. ++ ++ This board is a Concurrent Dual-Band wireless router with a ++ Freescale P1014 SoC. ++ + config TQM8540 + bool "TQ Components TQM8540" + help +--- a/arch/powerpc/platforms/85xx/Makefile ++++ b/arch/powerpc/platforms/85xx/Makefile +@@ -23,6 +23,7 @@ obj-$(CONFIG_TWR_P102x) += twr_p102x.o + obj-$(CONFIG_CORENET_GENERIC) += corenet_generic.o + obj-$(CONFIG_STX_GP3) += stx_gp3.o + obj-$(CONFIG_TQM85xx) += tqm85xx.o ++obj-$(CONFIG_TL_WDR4900_V1) += tl_wdr4900_v1.o + obj-$(CONFIG_SBC8548) += sbc8548.o + obj-$(CONFIG_PPA8548) += ppa8548.o + obj-$(CONFIG_SOCRATES) += socrates.o socrates_fpga_pic.o +--- /dev/null ++++ b/arch/powerpc/platforms/85xx/tl_wdr4900_v1.c +@@ -0,0 +1,145 @@ ++/* ++ * TL-WDR4900 v1 board setup ++ * ++ * Copyright (c) 2013 Gabor Juhos ++ * ++ * Based on: ++ * p1010rdb.c: ++ * P1010RDB Board Setup ++ * Copyright 2011 Freescale Semiconductor Inc. ++ * ++ * 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. ++ */ ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++#include ++ ++#include "mpc85xx.h" ++ ++void __init tl_wdr4900_v1_pic_init(void) ++{ ++ struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN | ++ MPIC_SINGLE_DEST_CPU, ++ 0, 256, " OpenPIC "); ++ ++ BUG_ON(mpic == NULL); ++ ++ mpic_init(mpic); ++} ++ ++#ifdef CONFIG_PCI ++static struct gpio_led tl_wdr4900_v1_wmac_leds_gpio[] = { ++ { ++ .name = "tp-link:blue:wps", ++ .gpio = 1, ++ .active_low = 1, ++ }, ++}; ++ ++static struct ath9k_platform_data tl_wdr4900_v1_wmac0_data = { ++ .led_pin = 0, ++ .eeprom_name = "pci_wmac0.eeprom", ++ .leds = tl_wdr4900_v1_wmac_leds_gpio, ++ .num_leds = ARRAY_SIZE(tl_wdr4900_v1_wmac_leds_gpio), ++}; ++ ++static struct ath9k_platform_data tl_wdr4900_v1_wmac1_data = { ++ .led_pin = 0, ++ .eeprom_name = "pci_wmac1.eeprom", ++}; ++ ++static void tl_wdr4900_v1_pci_wmac_fixup(struct pci_dev *dev) ++{ ++ if (!machine_is(tl_wdr4900_v1)) ++ return; ++ ++ if (dev->bus->number == 1 && ++ PCI_SLOT(dev->devfn) == 0) { ++ dev->dev.platform_data = &tl_wdr4900_v1_wmac0_data; ++ return; ++ } ++ ++ if (dev->bus->number == 3 && ++ PCI_SLOT(dev->devfn) == 0 && ++ dev->device == 0xabcd) { ++ dev->dev.platform_data = &tl_wdr4900_v1_wmac1_data; ++ ++ /* ++ * The PCI header of the AR9381 chip is not programmed ++ * correctly by the bootloader and the device uses wrong ++ * data due to that. Replace the broken values with the ++ * correct ones. ++ */ ++ dev->device = 0x30; ++ dev->class = 0x028000; ++ ++ pr_info("pci %s: AR9381 fixup applied\n", pci_name(dev)); ++ } ++} ++ ++DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_ATHEROS, PCI_ANY_ID, ++ tl_wdr4900_v1_pci_wmac_fixup); ++#endif /* CONFIG_PCI */ ++ ++/* ++ * Setup the architecture ++ */ ++static void __init tl_wdr4900_v1_setup_arch(void) ++{ ++ if (ppc_md.progress) ++ ppc_md.progress("tl_wdr4900_v1_setup_arch()", 0); ++ ++ fsl_pci_assign_primary(); ++ ++ printk(KERN_INFO "TL-WDR4900 v1 board from TP-Link\n"); ++} ++ ++machine_arch_initcall(tl_wdr4900_v1, mpc85xx_common_publish_devices); ++machine_arch_initcall(tl_wdr4900_v1, swiotlb_setup_bus_notifier); ++ ++/* ++ * Called very early, device-tree isn't unflattened ++ */ ++static int __init tl_wdr4900_v1_probe(void) ++{ ++ unsigned long root = of_get_flat_dt_root(); ++ ++ if (of_flat_dt_is_compatible(root, "tp-link,TL-WDR4900v1")) ++ return 1; ++ ++ return 0; ++} ++ ++define_machine(tl_wdr4900_v1) { ++ .name = "Freescale P1014", ++ .probe = tl_wdr4900_v1_probe, ++ .setup_arch = tl_wdr4900_v1_setup_arch, ++ .init_IRQ = tl_wdr4900_v1_pic_init, ++#ifdef CONFIG_PCI ++ .pcibios_fixup_bus = fsl_pcibios_fixup_bus, ++#endif ++ .get_irq = mpic_get_irq, ++ .restart = fsl_rstcr_restart, ++ .calibrate_decr = generic_calibrate_decr, ++ .progress = udbg_progress, ++}; diff --git a/target/linux/mpc85xx/patches-3.18/150-powerpc-85xx-fix-etsec-ranges.patch b/target/linux/mpc85xx/patches-3.18/150-powerpc-85xx-fix-etsec-ranges.patch new file mode 100644 index 0000000000..1b93356bc8 --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/150-powerpc-85xx-fix-etsec-ranges.patch @@ -0,0 +1,30 @@ +--- a/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi ++++ b/arch/powerpc/boot/dts/fsl/pq3-etsec2-0.dtsi +@@ -50,6 +50,7 @@ ethernet@b0000 { + fsl,num_tx_queues = <0x8>; + fsl,magic-packet; + local-mac-address = [ 00 00 00 00 00 00 ]; ++ ranges; + + queue-group@b0000 { + #address-cells = <1>; +--- a/arch/powerpc/boot/dts/fsl/pq3-etsec2-1.dtsi ++++ b/arch/powerpc/boot/dts/fsl/pq3-etsec2-1.dtsi +@@ -50,6 +50,7 @@ ethernet@b1000 { + fsl,num_tx_queues = <0x8>; + fsl,magic-packet; + local-mac-address = [ 00 00 00 00 00 00 ]; ++ ranges; + + queue-group@b1000 { + #address-cells = <1>; +--- a/arch/powerpc/boot/dts/fsl/pq3-etsec2-2.dtsi ++++ b/arch/powerpc/boot/dts/fsl/pq3-etsec2-2.dtsi +@@ -49,6 +49,7 @@ ethernet@b2000 { + fsl,num_tx_queues = <0x8>; + fsl,magic-packet; + local-mac-address = [ 00 00 00 00 00 00 ]; ++ ranges; + + queue-group@b2000 { + #address-cells = <1>; diff --git a/target/linux/mpc85xx/patches-3.18/210-spi-fsl-espi-preallocate-local-buffer.patch b/target/linux/mpc85xx/patches-3.18/210-spi-fsl-espi-preallocate-local-buffer.patch new file mode 100644 index 0000000000..7335f18bf9 --- /dev/null +++ b/target/linux/mpc85xx/patches-3.18/210-spi-fsl-espi-preallocate-local-buffer.patch @@ -0,0 +1,147 @@ +From: Gabor Juhos +Subject: spi-fsl-espi: avoid frequent high order allocations + +The driver allocates 64KiB of memory fro a local buffer before +each transfer and releases that afterwards. When the memory is +fragmented this allocation often fails and causes a warning like +this: + + kworker/u2:2: page allocation failure: order:4, mode:0x10c0d0 + CPU: 0 PID: 7011 Comm: kworker/u2:2 Not tainted 3.10.24 #1 + Workqueue: ffe07000.spi mpc8xxx_spi_work + Call Trace: + [c1c6dcf0] [c0006914] show_stack+0x50/0x170 (unreliable) + [c1c6dd30] [c0259858] dump_stack+0x24/0x34 + [c1c6dd40] [c00672e8] warn_alloc_failed+0x120/0x13c + [c1c6dd90] [c0069920] __alloc_pages_nodemask+0x574/0x5c8 + [c1c6de20] [c0069990] __get_free_pages+0x1c/0x4c + [c1c6de30] [c0185174] fsl_espi_do_one_msg+0x128/0x2a0 + [c1c6de90] [c0184290] mpc8xxx_spi_work+0x50/0x7c + [c1c6dea0] [c0037af8] process_one_work+0x208/0x30c + [c1c6dec0] [c00387a0] worker_thread+0x20c/0x308 + [c1c6def0] [c003de60] kthread+0xa4/0xa8 + [c1c6df40] [c000c4bc] ret_from_kernel_thread+0x5c/0x64 + + m25p80 spi0.0: error -12 reading SR + end_request: I/O error, dev mtdblock3, sector 680 + SQUASHFS error: squashfs_read_data failed to read block 0x54a4a + SQUASHFS error: Unable to read data cache entry [54a4a] + +Preallocate the buffer from the probe routine to avoid +this. + +Signed-off-by: Gabor Juhos +--- + drivers/spi/spi-fsl-espi.c | 34 ++++++++++++++++------------------ + drivers/spi/spi-fsl-lib.h | 1 + + 2 files changed, 17 insertions(+), 18 deletions(-) + +--- a/drivers/spi/spi-fsl-espi.c ++++ b/drivers/spi/spi-fsl-espi.c +@@ -329,17 +329,13 @@ static void fsl_espi_do_trans(struct spi + static void fsl_espi_cmd_trans(struct spi_message *m, + struct fsl_espi_transfer *trans, u8 *rx_buff) + { ++ struct spi_device *spi = m->spi; ++ struct mpc8xxx_spi *mspi = spi_master_get_devdata(spi->master); + struct spi_transfer *t; +- u8 *local_buf; ++ u8 *local_buf = mspi->local_buf; + int i = 0; + struct fsl_espi_transfer *espi_trans = trans; + +- local_buf = kzalloc(SPCOM_TRANLEN_MAX, GFP_KERNEL); +- if (!local_buf) { +- espi_trans->status = -ENOMEM; +- return; +- } +- + list_for_each_entry(t, &m->transfers, transfer_list) { + if (t->tx_buf) { + memcpy(local_buf + i, t->tx_buf, t->len); +@@ -352,28 +348,23 @@ static void fsl_espi_cmd_trans(struct sp + fsl_espi_do_trans(m, espi_trans); + + espi_trans->actual_length = espi_trans->len; +- kfree(local_buf); + } + + static void fsl_espi_rw_trans(struct spi_message *m, + struct fsl_espi_transfer *trans, u8 *rx_buff) + { ++ struct spi_device *spi = m->spi; ++ struct mpc8xxx_spi *mspi = spi_master_get_devdata(spi->master); + struct fsl_espi_transfer *espi_trans = trans; + unsigned int n_tx = espi_trans->n_tx; + unsigned int n_rx = espi_trans->n_rx; + struct spi_transfer *t; +- u8 *local_buf; ++ u8 *local_buf = mspi->local_buf; + u8 *rx_buf = rx_buff; + unsigned int trans_len; + unsigned int addr; + int i, pos, loop; + +- local_buf = kzalloc(SPCOM_TRANLEN_MAX, GFP_KERNEL); +- if (!local_buf) { +- espi_trans->status = -ENOMEM; +- return; +- } +- + for (pos = 0, loop = 0; pos < n_rx; pos += trans_len, loop++) { + trans_len = n_rx - pos; + if (trans_len > SPCOM_TRANLEN_MAX - n_tx) +@@ -407,8 +398,6 @@ static void fsl_espi_rw_trans(struct spi + else + espi_trans->actual_length += espi_trans->len; + } +- +- kfree(local_buf); + } + + static void fsl_espi_do_one_msg(struct spi_message *m) +@@ -585,6 +574,7 @@ static irqreturn_t fsl_espi_irq(s32 irq, + static void fsl_espi_remove(struct mpc8xxx_spi *mspi) + { + iounmap(mspi->reg_base); ++ kfree(mspi->local_buf); + } + + static struct spi_master * fsl_espi_probe(struct device *dev, +@@ -619,10 +609,16 @@ static struct spi_master * fsl_espi_prob + mpc8xxx_spi->spi_do_one_msg = fsl_espi_do_one_msg; + mpc8xxx_spi->spi_remove = fsl_espi_remove; + ++ mpc8xxx_spi->local_buf = kzalloc(SPCOM_TRANLEN_MAX, GFP_KERNEL); ++ if (!mpc8xxx_spi->local_buf) { ++ ret = -ENOMEM; ++ goto err_probe; ++ } ++ + mpc8xxx_spi->reg_base = ioremap(mem->start, resource_size(mem)); + if (!mpc8xxx_spi->reg_base) { + ret = -ENOMEM; +- goto err_probe; ++ goto free_buf; + } + + reg_base = mpc8xxx_spi->reg_base; +@@ -689,6 +685,8 @@ unreg_master: + free_irq(mpc8xxx_spi->irq, mpc8xxx_spi); + free_irq: + iounmap(mpc8xxx_spi->reg_base); ++free_buf: ++ kfree(mpc8xxx_spi->local_buf); + err_probe: + spi_master_put(master); + err: +--- a/drivers/spi/spi-fsl-lib.h ++++ b/drivers/spi/spi-fsl-lib.h +@@ -30,6 +30,7 @@ struct mpc8xxx_spi { + void *rx; + #ifdef CONFIG_SPI_FSL_ESPI + int len; ++ u8 *local_buf; + #endif + + int subblock; -- 2.11.0