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openwrt-xburst/target/linux/brcm63xx/patches-2.6.37/410-boardid_fixup.patch
florian 57b9051544 [brcm63xx] add support for 2.6.37, patches from KanjiMonster
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25629 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-02-20 19:59:22 +00:00

63 lines
1.7 KiB
Diff

--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -35,6 +35,7 @@
#include <bcm63xx_dev_usb_udc.h>
#include <bcm63xx_dev_spi.h>
#include <board_bcm963xx.h>
+#include <bcm_tag.h>
#define PFX "board_bcm963xx: "
@@ -44,6 +45,9 @@
#define NB4_SPI_GPIO_CLK 6
#define NB4_74HC64_GPIO(X) (NB4_74X164_GPIO_BASE + (X))
+#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;
@@ -1566,6 +1570,29 @@ 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->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) {
+ /* 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
*/
@@ -1617,6 +1644,11 @@ void __init board_prom_init(void)
/* Fixup broken nb4 board name */
nb4_nvram_fixup();
+ 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,