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--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -23,6 +23,7 @@
#include "board_common.h"
#include <uapi/linux/bcm933xx_hcs.h>
+#include <uapi/linux/bcm963xx_tag.h>
#define PFX "board_bcm963xx: "
@@ -31,6 +32,9 @@
#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
+
/*
* known 3368 boards
*/
@@ -722,6 +726,30 @@ static const struct board_info __initcon
#endif
};
+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
*/
@@ -760,6 +788,10 @@ void __init board_prom_init(void)
hcs = (struct bcm_hcs *)boot_addr;
board_name = hcs->filename;
} else {
+ if (strcmp(cfe_version, "unknown") != 0) {
+ /* cfe present */
+ boardid_fixup(boot_addr);
+ }
board_name = bcm63xx_nvram_get_name();
}
/* find board by name */
|
