diff options
| -rw-r--r-- | drivers/mtd/nand/nand.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/mtd/nand/nand.c b/drivers/mtd/nand/nand.c index f449316..0551241 100644 --- a/drivers/mtd/nand/nand.c +++ b/drivers/mtd/nand/nand.c @@ -9,6 +9,7 @@ #include <common.h> #include <nand.h> #include <errno.h> +#include <linux/mtd/concat.h> #ifndef CONFIG_SYS_NAND_BASE_LIST #define CONFIG_SYS_NAND_BASE_LIST { CONFIG_SYS_NAND_BASE } @@ -92,6 +93,44 @@ static void nand_init_chip(int i) } #endif +#ifdef CONFIG_MTD_CONCAT +static void create_mtd_concat(void) +{ + struct mtd_info *nand_info_list[CONFIG_SYS_MAX_NAND_DEVICE]; + int nand_devices_found = 0; + int i; + + for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) { + if (nand_info[i] != NULL) { + nand_info_list[nand_devices_found] = nand_info[i]; + nand_devices_found++; + } + } + if (nand_devices_found > 1) { + struct mtd_info *mtd; + char c_mtd_name[16]; + + /* + * We detected multiple devices. Concatenate them together. + */ + sprintf(c_mtd_name, "nand%d", nand_devices_found); + mtd = mtd_concat_create(nand_info_list, nand_devices_found, + c_mtd_name); + + if (mtd == NULL) + return; + + nand_register(nand_devices_found, mtd); + } + + return; +} +#else +static void create_mtd_concat(void) +{ +} +#endif + void nand_init(void) { #ifdef CONFIG_SYS_NAND_SELF_INIT @@ -112,4 +151,6 @@ void nand_init(void) board_nand_select_device(mtd_to_nand(nand_info[nand_curr_device]), nand_curr_device); #endif + + create_mtd_concat(); } |