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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.patch351
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 {