| 1 | --- a/arch/mips/bcm63xx/boards/board_bcm963xx.c |
| 2 | +++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c |
| 3 | @@ -32,9 +32,13 @@ |
| 4 | #include <bcm63xx_dev_usb_udc.h> |
| 5 | #include <bcm63xx_dev_spi.h> |
| 6 | #include <board_bcm963xx.h> |
| 7 | +#include <bcm_tag.h> |
| 8 | |
| 9 | #define PFX "board_bcm963xx: " |
| 10 | |
| 11 | +#define CFE_OFFSET_64K 0x10000 |
| 12 | +#define CFE_OFFSET_128K 0x20000 |
| 13 | + |
| 14 | static struct bcm963xx_nvram nvram; |
| 15 | static unsigned int mac_addr_used; |
| 16 | static struct board_info board; |
| 17 | @@ -734,6 +738,29 @@ static int board_get_mac_address(u8 *mac |
| 18 | return 0; |
| 19 | } |
| 20 | |
| 21 | +static void __init boardid_fixup(u8 *boot_addr) |
| 22 | +{ |
| 23 | + struct bcm_tag *tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_64K); |
| 24 | + |
| 25 | + /* check if bcm_tag is at 64k offset */ |
| 26 | + if (strncmp(nvram.name, tag->boardid, BOARDID_LEN) != 0) { |
| 27 | + /* else try 128k */ |
| 28 | + tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_128K); |
| 29 | + if (strncmp(nvram.name, tag->boardid, BOARDID_LEN) != 0) { |
| 30 | + /* No tag found */ |
| 31 | + printk(KERN_DEBUG "No bcm_tag found!\n"); |
| 32 | + return; |
| 33 | + } |
| 34 | + } |
| 35 | + /* check if we should override the boardid */ |
| 36 | + if (tag->information1[0] != '+') |
| 37 | + return; |
| 38 | + |
| 39 | + strncpy(nvram.name, &tag->information1[1], BOARDID_LEN); |
| 40 | + |
| 41 | + printk(KERN_INFO "Overriding boardid with '%s'\n", nvram.name); |
| 42 | +} |
| 43 | + |
| 44 | /* |
| 45 | * early init callback, read nvram data from flash and checksum it |
| 46 | */ |
| 47 | @@ -776,6 +803,11 @@ void __init board_prom_init(void) |
| 48 | return; |
| 49 | } |
| 50 | |
| 51 | + if (strcmp(cfe_version, "unknown") != 0) { |
| 52 | + /* cfe present */ |
| 53 | + boardid_fixup(boot_addr); |
| 54 | + } |
| 55 | + |
| 56 | /* find board by name */ |
| 57 | for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) { |
| 58 | if (strncmp(nvram.name, bcm963xx_boards[i]->name, |
| 59 | |
