add preliminary support for 3.6 kernel

SVN-Revision: 33936

1 files changed, 351 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.6/428-MIPS-BCM63XX-move-nvram-related-functions-into-their.patch b/target/linux/brcm63xx/patches-3.6/428-MIPS-BCM63XX-move-nvram-related-functions-into-their.patch
new file mode 100644
index 0000000..f7f4e90
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.6/428-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-rng.o dev-spi.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-rng.o dev-spi.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
+@@ -21,6 +21,7 @@
+ #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>
+@@ -41,8 +42,6 @@
+ #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;
+ 
+ /*
+@@ -741,50 +740,16 @@ 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->board_id, BOARDID_LEN) != 0) {
++	if (strncmp(board_name, tag->board_id, BOARDID_LEN) != 0) {
+ 		/* else try 128k */
+ 		tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_128K);
+-		if (strncmp(nvram.name, tag->board_id, BOARDID_LEN) != 0) {
++		if (strncmp(board_name, tag->board_id, BOARDID_LEN) != 0) {
+ 			/* No tag found */
+ 			printk(KERN_DEBUG "No bcm_tag found!\n");
+ 			return;
+@@ -794,9 +759,9 @@ 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);
+ }
+ 
+ /*
+@@ -804,9 +769,10 @@ 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)
+@@ -831,32 +797,19 @@ 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));
+@@ -866,7 +819,7 @@ 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);
+@@ -959,15 +912,15 @@ 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)
+@@ -983,7 +936,7 @@ 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 {