diff options
Diffstat (limited to 'target/brcm/patches/brcm.patch')
| -rw-r--r-- | target/brcm/patches/brcm.patch | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/target/brcm/patches/brcm.patch b/target/brcm/patches/brcm.patch new file mode 100644 index 000000000..a7c45888f --- /dev/null +++ b/target/brcm/patches/brcm.patch @@ -0,0 +1,323 @@ +diff -Nur linux-2.6.34.orig/arch/mips/bcm47xx/Makefile linux-2.6.34/arch/mips/bcm47xx/Makefile +--- linux-2.6.34.orig/arch/mips/bcm47xx/Makefile 2010-05-16 23:17:36.000000000 +0200 ++++ linux-2.6.34/arch/mips/bcm47xx/Makefile 2010-06-03 22:38:03.501617275 +0200 +@@ -3,4 +3,5 @@ + # under Linux. + # + +-obj-y := gpio.o irq.o prom.o serial.o setup.o time.o wgt634u.o ++obj-y := gpio.o irq.o nvram.o platform.o prom.o \ ++ serial.o setup.o time.o wgt634u.o +diff -Nur linux-2.6.34.orig/arch/mips/bcm47xx/nvram.c linux-2.6.34/arch/mips/bcm47xx/nvram.c +--- linux-2.6.34.orig/arch/mips/bcm47xx/nvram.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.34/arch/mips/bcm47xx/nvram.c 2010-06-03 22:37:52.471617640 +0200 +@@ -0,0 +1,100 @@ ++/* ++ * BCM947xx nvram variable access ++ * ++ * Copyright (C) 2005 Broadcom Corporation ++ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> ++ * ++ * 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 <linux/init.h> ++#include <linux/module.h> ++#include <linux/ssb/ssb.h> ++#include <linux/kernel.h> ++#include <linux/string.h> ++#include <linux/interrupt.h> ++#include <linux/spinlock.h> ++#include <linux/slab.h> ++#include <asm/byteorder.h> ++#include <asm/bootinfo.h> ++#include <asm/addrspace.h> ++#include <asm/io.h> ++#include <asm/uaccess.h> ++#include <asm/mach-bcm47xx/nvram.h> ++#include <asm/mach-bcm47xx/bcm47xx.h> ++ ++static char nvram_buf[NVRAM_SPACE]; ++ ++/* Probe for NVRAM header */ ++static void __init early_nvram_init(void) ++{ ++ struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore; ++ struct nvram_header *header; ++ int i; ++ u32 base, lim, off; ++ u32 *src, *dst; ++ ++ base = mcore->flash_window; ++ lim = mcore->flash_window_size; ++ ++ off = FLASH_MIN; ++ while (off <= lim) { ++ /* Windowed flash access */ ++ header = (struct nvram_header *) ++ KSEG1ADDR(base + off - NVRAM_SPACE); ++ if (header->magic == NVRAM_HEADER) ++ goto found; ++ off <<= 1; ++ } ++ ++ /* Try embedded NVRAM at 4 KB and 1 KB as last resorts */ ++ header = (struct nvram_header *) KSEG1ADDR(base + 4096); ++ if (header->magic == NVRAM_HEADER) ++ goto found; ++ ++ header = (struct nvram_header *) KSEG1ADDR(base + 1024); ++ if (header->magic == NVRAM_HEADER) ++ goto found; ++ ++ return; ++ ++found: ++ src = (u32 *) header; ++ dst = (u32 *) nvram_buf; ++ for (i = 0; i < sizeof(struct nvram_header); i += 4) ++ *dst++ = *src++; ++ for (; i < header->len && i < NVRAM_SPACE; i += 4) ++ *dst++ = le32_to_cpu(*src++); ++} ++ ++int nvram_getenv(char *name, char *val, size_t val_len) ++{ ++ char *var, *value, *end, *eq; ++ ++ if (!name) ++ return 1; ++ ++ if (!nvram_buf[0]) ++ early_nvram_init(); ++ ++ /* Look for name=value and return value */ ++ var = &nvram_buf[sizeof(struct nvram_header)]; ++ end = nvram_buf + sizeof(nvram_buf) - 2; ++ end[0] = end[1] = '\0'; ++ for (; *var; var = value + strlen(value) + 1) { ++ eq = strchr(var, '='); ++ if (!eq) ++ break; ++ value = eq + 1; ++ if ((eq - var) == strlen(name) && ++ strncmp(var, name, (eq - var)) == 0) { ++ snprintf(val, val_len, "%s", value); ++ return 0; ++ } ++ } ++ return 1; ++} ++EXPORT_SYMBOL(nvram_getenv); +diff -Nur linux-2.6.34.orig/arch/mips/bcm47xx/platform.c linux-2.6.34/arch/mips/bcm47xx/platform.c +--- linux-2.6.34.orig/arch/mips/bcm47xx/platform.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.34/arch/mips/bcm47xx/platform.c 2010-06-03 22:38:03.501617275 +0200 +@@ -0,0 +1,79 @@ ++/* ++ * This file is subject to the terms and conditions of the GNU General Public ++ * License. See the file "COPYING" in the main directory of this archive ++ * for more details. ++ * ++ * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org> ++ */ ++ ++#include <linux/platform_device.h> ++#include <linux/module.h> ++#include <linux/mtd/physmap.h> ++#include <linux/ssb/ssb.h> ++ ++#include <asm/mach-bcm47xx/bcm47xx.h> ++#include <asm/mach-bcm47xx/nvram.h> ++ ++static struct mtd_partition bcm47xx_partitions[] = { ++ { ++ .name = "cfe", ++ .offset = 0, ++ .size = 0x40000, /* 256k */ ++ .mask_flags = MTD_WRITEABLE /* force read-only */ ++ }, ++ { ++ .name = "linux", ++ .offset = 0, ++ .size = 0, ++ }, ++ { ++ .name = "nvram", ++ .offset = 0, ++ .size = 0, ++ }, ++}; ++ ++static struct physmap_flash_data bcm47xx_flash_data = { ++ .parts = bcm47xx_partitions, ++ .nr_parts = ARRAY_SIZE(bcm47xx_partitions) ++}; ++ ++static struct resource bcm47xx_flash_resource = { ++ .flags = IORESOURCE_MEM, ++}; ++ ++static struct platform_device bcm47xx_flash = { ++ .name = "physmap-flash", ++ .id = 0, ++ .dev = { .platform_data = &bcm47xx_flash_data, }, ++ .resource = &bcm47xx_flash_resource, ++ .num_resources = 1, ++}; ++ ++static struct platform_device *bcm47xx_devices[] __initdata = { ++ &bcm47xx_flash, ++}; ++ ++static int __init bcm47xx_register_devices(void) ++{ ++ u32 flash_size; ++ struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore; ++ ++ /* devices might have 2, 4 or 8 MB flash size */ ++ flash_size = mcore->flash_window_size; ++ printk(KERN_INFO "FLASH SIZE: %x\n", flash_size); ++ bcm47xx_partitions[1].offset = 0x40000; ++ bcm47xx_partitions[1].size = flash_size - NVRAM_FLASH_SIZE - 0x40000; ++ bcm47xx_partitions[2].offset = flash_size - NVRAM_FLASH_SIZE; ++ bcm47xx_partitions[2].size = NVRAM_FLASH_SIZE; ++ ++ bcm47xx_flash_data.width = mcore->flash_buswidth; ++ bcm47xx_flash_resource.start = mcore->flash_window; ++ bcm47xx_flash_resource.end = mcore->flash_window ++ + mcore->flash_window_size ++ - 1; ++ return platform_add_devices(bcm47xx_devices, ++ ARRAY_SIZE(bcm47xx_devices)); ++} ++ ++device_initcall(bcm47xx_register_devices); +diff -Nur linux-2.6.34.orig/arch/mips/bcm47xx/setup.c linux-2.6.34/arch/mips/bcm47xx/setup.c +--- linux-2.6.34.orig/arch/mips/bcm47xx/setup.c 2010-05-16 23:17:36.000000000 +0200 ++++ linux-2.6.34/arch/mips/bcm47xx/setup.c 2010-06-03 22:37:52.481613327 +0200 +@@ -1,8 +1,8 @@ + /* + * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org> +- * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org> + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2006 Michael Buesch <mb@bu3sch.de> ++ * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org> + * + * 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 +@@ -33,6 +33,7 @@ + #include <asm/time.h> + #include <bcm47xx.h> + #include <asm/fw/cfe/cfe_api.h> ++#include <asm/mach-bcm47xx/nvram.h> + + struct ssb_bus ssb_bcm47xx; + EXPORT_SYMBOL(ssb_bcm47xx); +@@ -81,28 +82,42 @@ + /* Fill boardinfo structure */ + memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo)); + +- if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0) ++ if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0) + iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0); +- if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0) ++ if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("boardtype", buf, sizeof(buf)) >= 0) + iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0); +- if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0) ++ if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("boardrev", buf, sizeof(buf)) >= 0) + iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0); + + /* Fill sprom structure */ + memset(&(iv->sprom), 0, sizeof(struct ssb_sprom)); + iv->sprom.revision = 3; + +- if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0) ++ if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0) + str2eaddr(buf, iv->sprom.et0mac); +- if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0) ++ ++ if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0) + str2eaddr(buf, iv->sprom.et1mac); +- if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0) +- iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 10); +- if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0) +- iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 10); +- if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0) ++ ++ if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("et0phyaddr", buf, sizeof(buf)) >= 0) ++ iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 0); ++ ++ if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("et1phyaddr", buf, sizeof(buf)) >= 0) ++ iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 0); ++ ++ if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("et0mdcport", buf, sizeof(buf)) >= 0) + iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10); +- if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0) ++ ++ if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0 || ++ nvram_getenv("et1mdcport", buf, sizeof(buf)) >= 0) + iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10); + + return 0; +diff -Nur linux-2.6.34.orig/arch/mips/include/asm/mach-bcm47xx/nvram.h linux-2.6.34/arch/mips/include/asm/mach-bcm47xx/nvram.h +--- linux-2.6.34.orig/arch/mips/include/asm/mach-bcm47xx/nvram.h 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.34/arch/mips/include/asm/mach-bcm47xx/nvram.h 2010-06-03 22:38:03.501617275 +0200 +@@ -0,0 +1,35 @@ ++/* ++ * Copyright (C) 2005, Broadcom Corporation ++ * Copyright (C) 2006, Felix Fietkau <nbd@openwrt.org> ++ * ++ * 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. ++ */ ++ ++#ifndef __NVRAM_H ++#define __NVRAM_H ++ ++struct nvram_header { ++ u32 magic; ++ u32 len; ++ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */ ++ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */ ++ u32 config_ncdl; /* ncdl values for memc */ ++}; ++ ++#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */ ++#define NVRAM_VERSION 1 ++#define NVRAM_HEADER_SIZE 20 ++#define NVRAM_SPACE 0x8000 ++#define NVRAM_FLASH_SIZE 0x20000 ++ ++#define FLASH_MIN 0x00020000 /* Minimum flash size */ ++ ++#define NVRAM_MAX_VALUE_LEN 255 ++#define NVRAM_MAX_PARAM_LEN 64 ++ ++int nvram_getenv(char *name, char *val, size_t val_len); ++ ++#endif +diff -Nur linux-2.6.34.orig/drivers/ssb/driver_mipscore.c linux-2.6.34/drivers/ssb/driver_mipscore.c +--- linux-2.6.34.orig/drivers/ssb/driver_mipscore.c 2010-05-16 23:17:36.000000000 +0200 ++++ linux-2.6.34/drivers/ssb/driver_mipscore.c 2010-06-03 22:38:03.501617275 +0200 +@@ -193,7 +193,7 @@ + mcore->flash_buswidth = 2; + if (bus->chipco.dev) { + mcore->flash_window = 0x1c000000; +- mcore->flash_window_size = 0x02000000; ++ mcore->flash_window_size = 0x00800000; + if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG) + & SSB_CHIPCO_CFG_DS16) == 0) + mcore->flash_buswidth = 1; |