diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.3/421-MIPS-BCM63XX-move-nvram-related-functions-into-their.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.3/421-MIPS-BCM63XX-move-nvram-related-functions-into-their.patch | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.3/421-MIPS-BCM63XX-move-nvram-related-functions-into-their.patch b/target/linux/brcm63xx/patches-3.3/421-MIPS-BCM63XX-move-nvram-related-functions-into-their.patch new file mode 100644 index 0000000000..bc00967802 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.3/421-MIPS-BCM63XX-move-nvram-related-functions-into-their.patch @@ -0,0 +1,351 @@ +From 5b753c1d01c6af23d7d37d37d9de30da8a971084 Mon Sep 17 00:00:00 2001 +From: Jonas Gorski <jonas.gorski@gmail.com> +Date: Sat, 12 May 2012 22:51:08 +0200 +Subject: [PATCH 60/79] MIPS: BCM63XX: move nvram related functions into their + own file + +Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> +--- + arch/mips/bcm63xx/Makefile | 6 +- + arch/mips/bcm63xx/boards/board_bcm963xx.c | 74 +++-------------- + arch/mips/bcm63xx/nvram.c | 84 ++++++++++++++++++++ + arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h | 34 ++++++++ + .../mips/include/asm/mach-bcm63xx/board_bcm963xx.h | 17 ---- + 5 files changed, 134 insertions(+), 81 deletions(-) + create mode 100644 arch/mips/bcm63xx/nvram.c + create mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h + +--- a/arch/mips/bcm63xx/Makefile ++++ b/arch/mips/bcm63xx/Makefile +@@ -1,6 +1,6 @@ +-obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ +- dev-dsp.o dev-enet.o dev-flash.o dev-hsspi.o dev-pcmcia.o \ +- dev-spi.o dev-trng.o dev-uart.o dev-usb-ehci.o \ ++obj-y += clk.o cpu.o cs.o gpio.o irq.o nvram.o prom.o setup.o \ ++ timer.o dev-dsp.o dev-enet.o dev-flash.o dev-hsspi.o \ ++ dev-pcmcia.o dev-spi.o dev-trng.o dev-uart.o dev-usb-ehci.o \ + dev-usb-ohci.o dev-wdt.o + obj-$(CONFIG_EARLY_PRINTK) += early_printk.o + +--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c ++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c +@@ -20,6 +20,7 @@ + #include <bcm63xx_dev_uart.h> + #include <bcm63xx_regs.h> + #include <bcm63xx_io.h> ++#include <bcm63xx_nvram.h> + #include <bcm63xx_dev_pci.h> + #include <bcm63xx_dev_enet.h> + #include <bcm63xx_dev_dsp.h> +@@ -40,8 +41,6 @@ + #define CFE_OFFSET_64K 0x10000 + #define CFE_OFFSET_128K 0x20000 + +-static struct bcm963xx_nvram nvram; +-static unsigned int mac_addr_used; + static struct board_info board; + + /* +@@ -695,50 +694,16 @@ const char *board_get_name(void) + return board.name; + } + +-/* +- * register & return a new board mac address +- */ +-static int board_get_mac_address(u8 *mac) +-{ +- u8 *p; +- int count; +- +- if (mac_addr_used >= nvram.mac_addr_count) { +- printk(KERN_ERR PFX "not enough mac address\n"); +- return -ENODEV; +- } +- +- memcpy(mac, nvram.mac_addr_base, ETH_ALEN); +- p = mac + ETH_ALEN - 1; +- count = mac_addr_used; +- +- while (count--) { +- do { +- (*p)++; +- if (*p != 0) +- break; +- p--; +- } while (p != mac); +- } +- +- if (p == mac) { +- printk(KERN_ERR PFX "unable to fetch mac address\n"); +- return -ENODEV; +- } +- +- mac_addr_used++; +- return 0; +-} +- + static void __init boardid_fixup(u8 *boot_addr) + { + struct bcm_tag *tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_64K); ++ char *board_name = (char *)bcm63xx_nvram_get_name(); + + /* check if bcm_tag is at 64k offset */ +- if (strncmp(nvram.name, tag->boardid, BOARDID_LEN) != 0) { ++ if (strncmp(board_name, tag->boardid, BOARDID_LEN) != 0) { + /* else try 128k */ + tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_128K); +- if (strncmp(nvram.name, tag->boardid, BOARDID_LEN) != 0) { ++ if (strncmp(board_name, tag->boardid, BOARDID_LEN) != 0) { + /* No tag found */ + printk(KERN_DEBUG "No bcm_tag found!\n"); + return; +@@ -748,9 +713,9 @@ static void __init boardid_fixup(u8 *boo + if (tag->information1[0] != '+') + return; + +- strncpy(nvram.name, &tag->information1[1], BOARDID_LEN); ++ strncpy(board_name, &tag->information1[1], BOARDID_LEN); + +- printk(KERN_INFO "Overriding boardid with '%s'\n", nvram.name); ++ printk(KERN_INFO "Overriding boardid with '%s'\n", board_name); + } + + /* +@@ -758,9 +723,10 @@ static void __init boardid_fixup(u8 *boo + */ + void __init board_prom_init(void) + { +- unsigned int check_len, i; +- u8 *boot_addr, *cfe, *p; ++ unsigned int i; ++ u8 *boot_addr, *cfe; + char cfe_version[32]; ++ char *board_name; + u32 val; + + /* read base address of boot chip select (0) +@@ -782,32 +748,19 @@ void __init board_prom_init(void) + strcpy(cfe_version, "unknown"); + printk(KERN_INFO PFX "CFE version: %s\n", cfe_version); + +- /* extract nvram data */ +- memcpy(&nvram, boot_addr + BCM963XX_NVRAM_OFFSET, sizeof(nvram)); +- +- /* check checksum before using data */ +- if (nvram.version <= 4) +- check_len = offsetof(struct bcm963xx_nvram, checksum_old); +- else +- check_len = sizeof(nvram); +- val = 0; +- p = (u8 *)&nvram; +- while (check_len--) +- val += *p; +- if (val) { +- printk(KERN_ERR PFX "invalid nvram checksum\n"); ++ if (bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET)) + return; +- } + + if (strcmp(cfe_version, "unknown") != 0) { + /* cfe present */ + boardid_fixup(boot_addr); + } + ++ board_name = bcm63xx_nvram_get_name(); + /* find board by name */ + for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) { +- if (strncmp(nvram.name, bcm963xx_boards[i]->name, +- sizeof(nvram.name))) ++ if (strncmp(board_name, bcm963xx_boards[i]->name, ++ BCM63XX_NVRAM_NAMELEN)) + continue; + /* copy, board desc array is marked initdata */ + memcpy(&board, bcm963xx_boards[i], sizeof(board)); +@@ -817,7 +770,7 @@ void __init board_prom_init(void) + /* bail out if board is not found, will complain later */ + if (!board.name[0]) { + char name[17]; +- memcpy(name, nvram.name, 16); ++ memcpy(name, board_name, 16); + name[16] = 0; + printk(KERN_ERR PFX "unknown bcm963xx board: %s\n", + name); +@@ -909,15 +862,15 @@ int __init board_register_devices(void) + bcm63xx_pcmcia_register(); + + if (board.has_enet0 && +- !board_get_mac_address(board.enet0.mac_addr)) ++ !bcm63xx_nvram_get_mac_address(board.enet0.mac_addr)) + bcm63xx_enet_register(0, &board.enet0); + + if (board.has_enet1 && +- !board_get_mac_address(board.enet1.mac_addr)) ++ !bcm63xx_nvram_get_mac_address(board.enet1.mac_addr)) + bcm63xx_enet_register(1, &board.enet1); + + if (board.has_enetsw && +- !board_get_mac_address(board.enetsw.mac_addr)) ++ !bcm63xx_nvram_get_mac_address(board.enetsw.mac_addr)) + bcm63xx_enetsw_register(&board.enetsw); + + if (board.has_ehci0) +@@ -933,7 +886,7 @@ int __init board_register_devices(void) + * do this after registering enet devices + */ + #ifdef CONFIG_SSB_PCIHOST +- if (!board_get_mac_address(bcm63xx_sprom.il0mac)) { ++ if (!bcm63xx_nvram_get_mac_address(bcm63xx_sprom.il0mac)) { + memcpy(bcm63xx_sprom.et0mac, bcm63xx_sprom.il0mac, ETH_ALEN); + memcpy(bcm63xx_sprom.et1mac, bcm63xx_sprom.il0mac, ETH_ALEN); + if (ssb_arch_register_fallback_sprom( +--- /dev/null ++++ b/arch/mips/bcm63xx/nvram.c +@@ -0,0 +1,84 @@ ++/* ++ * 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) 2012 Jonas Gorski <jonas.gorski@gmail.com> ++ */ ++ ++#define pr_fmt(fmt) "bcm63xx_nvram: " fmt ++ ++#include <linux/init.h> ++#include <linux/export.h> ++#include <linux/kernel.h> ++ ++#include <bcm63xx_nvram.h> ++ ++static struct bcm963xx_nvram nvram; ++static int mac_addr_used; ++ ++int __init bcm63xx_nvram_init(void *addr) ++{ ++ unsigned int check_len; ++ u8 *p; ++ u32 val; ++ ++ /* extract nvram data */ ++ memcpy(&nvram, addr, sizeof(nvram)); ++ ++ /* check checksum before using data */ ++ if (nvram.version <= 4) ++ check_len = offsetof(struct bcm963xx_nvram, checksum_old); ++ else ++ check_len = sizeof(nvram); ++ val = 0; ++ p = (u8 *)&nvram; ++ ++ while (check_len--) ++ val += *p; ++ if (val) { ++ pr_err("invalid nvram checksum\n"); ++ return -EINVAL; ++ } ++ ++ return 0; ++} ++ ++u8 *bcm63xx_nvram_get_name(void) ++{ ++ return nvram.name; ++} ++EXPORT_SYMBOL(bcm63xx_nvram_get_name); ++ ++int bcm63xx_nvram_get_mac_address(u8 *mac) ++{ ++ u8 *p; ++ int count; ++ ++ if (mac_addr_used >= nvram.mac_addr_count) { ++ pr_err("not enough mac address\n"); ++ return -ENODEV; ++ } ++ ++ memcpy(mac, nvram.mac_addr_base, ETH_ALEN); ++ p = mac + ETH_ALEN - 1; ++ count = mac_addr_used; ++ ++ while (count--) { ++ do { ++ (*p)++; ++ if (*p != 0) ++ break; ++ p--; ++ } while (p != mac); ++ } ++ ++ if (p == mac) { ++ pr_err("unable to fetch mac address\n"); ++ return -ENODEV; ++ } ++ ++ mac_addr_used++; ++ return 0; ++} ++EXPORT_SYMBOL(bcm63xx_nvram_get_mac_address); +--- /dev/null ++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_nvram.h +@@ -0,0 +1,34 @@ ++#ifndef BCM63XX_NVRAM_H ++#define BCM63XX_NVRAM_H ++ ++#include <linux/if_ether.h> ++ ++#define BCM63XX_NVRAM_NAMELEN 16 ++ ++/* ++ * nvram structure ++ */ ++struct bcm963xx_nvram { ++ u32 version; ++ u8 reserved1[256]; ++ u8 name[BCM63XX_NVRAM_NAMELEN]; ++ u32 main_tp_number; ++ u32 psi_size; ++ u32 mac_addr_count; ++ u8 mac_addr_base[ETH_ALEN]; ++ u8 reserved2[2]; ++ u32 checksum_old; ++ u8 reserved3[720]; ++ u32 checksum_high; ++}; ++ ++int __init bcm63xx_nvram_init(void *); ++ ++u8 *bcm63xx_nvram_get_name(void); ++ ++/* ++ * register & return a new board mac address ++ */ ++int bcm63xx_nvram_get_mac_address(u8 *mac); ++ ++#endif /* BCM63XX_NVRAM_H */ +--- a/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h ++++ b/arch/mips/include/asm/mach-bcm63xx/board_bcm963xx.h +@@ -15,23 +15,6 @@ + #define BCM963XX_NVRAM_OFFSET 0x580 + + /* +- * nvram structure +- */ +-struct bcm963xx_nvram { +- u32 version; +- u8 reserved1[256]; +- u8 name[16]; +- u32 main_tp_number; +- u32 psi_size; +- u32 mac_addr_count; +- u8 mac_addr_base[6]; +- u8 reserved2[2]; +- u32 checksum_old; +- u8 reserved3[720]; +- u32 checksum_high; +-}; +- +-/* + * board definition + */ + struct board_info { |