@@ -13,6 +13,10 @@
/**
* struct s3c2410_nand_set - define a set of one or more nand chips
* @disable_ecc: Entirely disable ECC - Dangerous
+ * @flash_bbt: Openmoko u-boot can create a Bad Block Table
+ * Setting this flag will allow the kernel to
+ * look for it at boot time and also skip the NAND
+ * scan.
* @nr_chips: Number of chips in this set
* @nr_partitions: Number of partitions pointed to be partitoons (or zero)
* @name: Name of set (optional)
@@ -25,6 +29,7 @@
*/
struct s3c2410_nand_set {
unsigned int disable_ecc:1;
+ unsigned int flash_bbt:1;
int nr_chips;
int nr_partitions;
@@ -845,6 +845,12 @@ static void s3c2410_nand_init_chip(struct s3c2410_nand_info *info,
dev_info(info->device, "NAND ECC UNKNOWN\n");
break;
}
+
+ /* If you use u-boot BBT creation code, specifying this flag will
+ * let the kernel fish out the BBT from the NAND, and also skip the
+ * full NAND scan that can take 1/2s or so. Little things... */
+ if (set->flash_bbt)
+ chip->options |= NAND_USE_FLASH_BBT | NAND_SKIP_BBTSCAN;
}
/**