target/linux/brcm63xx/patches-2.6.39/250-boardid_fixup.patch

   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 @@ -723,6 +727,29 @@ 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 @@ -771,6 +798,11 @@ 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,