[brcm63xx] add preliminary support for 3.6 kernel

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33936 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 61 insertions, 0 deletions

diff --git a/target/linux/brcm63xx/patches-3.6/304-boardid_fixup.patch b/target/linux/brcm63xx/patches-3.6/304-boardid_fixup.patch
new file mode 100644
index 0000000000..301c916141
--- /dev/null
+++ b/target/linux/brcm63xx/patches-3.6/304-boardid_fixup.patch
@@ -0,0 +1,61 @@
+--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
++++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
+@@ -28,12 +28,16 @@
+ #include <bcm63xx_dev_pcmcia.h>
+ #include <bcm63xx_dev_spi.h>
+ #include <board_bcm963xx.h>
++#include <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 bcm963xx_nvram nvram;
+ static unsigned int mac_addr_used;
+ static struct board_info board;
+@@ -769,6 +773,29 @@ static int board_get_mac_address(u8 *mac
+ 	return 0;
+ }
+ 
++static void __init boardid_fixup(u8 *boot_addr)
++{
++	struct bcm_tag *tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_64K);
++
++	/* check if bcm_tag is at 64k offset */
++	if (strncmp(nvram.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) {
++			/* 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(nvram.name, &tag->information1[1], BOARDID_LEN);
++
++	printk(KERN_INFO "Overriding boardid with '%s'\n", nvram.name);
++}
++
+ /*
+  * early init callback, read nvram data from flash and checksum it
+  */
+@@ -816,6 +843,11 @@ void __init board_prom_init(void)
+ 		return;
+ 	}
+ 
++	if (strcmp(cfe_version, "unknown") != 0) {
++		/* cfe present */
++		boardid_fixup(boot_addr);
++	}
++
+ 	/* find board by name */
+ 	for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
+ 		if (strncmp(nvram.name, bcm963xx_boards[i]->name,