bcm63xx: add support for linux 3.7

Based on 3.7.6.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35481 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 62 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.7/304-boardid_fixup.patch b/target/linux/brcm63xx/patches-3.7/304-boardid_fixup.patch
new file mode 100644
index 0000000000..9df5e56d80
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.7/304-boardid_fixup.patch
@@ -0,0 +1,62 @@
+--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
+@@ -31,11 +31,16 @@
+ #include <bcm63xx_dev_usb_usbd.h>
+ #include <board_bcm963xx.h>
+ 
++#include <uapi/linux/bcm963xx_tag.h>
++
+ #define PFX	"board_bcm963xx: "
+ 
+ #define BCM963XX_KEYS_POLL_INTERVAL	20
+ #define BCM963XX_KEYS_DEBOUNCE_INTERVAL	(BCM963XX_KEYS_POLL_INTERVAL * 3)
+ 
++#define CFE_OFFSET_64K			0x10000
++#define CFE_OFFSET_128K			0x20000
++
+ static struct board_info board;
+ 
+ /*
+@@ -740,6 +745,30 @@ const char *board_get_name(void)
+ 	return board.name;
+ }
+ 
++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(board_name, tag->board_id, BOARDID_LEN) != 0) {
++		/* else try 128k */
++		tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_128K);
++		if (strncmp(board_name, tag->board_id, BOARDID_LEN) != 0) {
++			/* No tag found */
++			printk(KERN_DEBUG "No bcm_tag found!\n");
++			return;
++		}
++	}
++	/* check if we should override the boardid */
++	if (tag->information1[0] != '+')
++		return;
++
++	strncpy(board_name, &tag->information1[1], BOARDID_LEN);
++
++	printk(KERN_INFO "Overriding boardid with '%s'\n", board_name);
++}
++
+ /*
+  * early init callback, read nvram data from flash and checksum it
+  */
+@@ -776,6 +805,11 @@ void __init board_prom_init(void)
+ 		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++) {