diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/cmd_jffs2.c | 69 |
1 files changed, 63 insertions, 6 deletions
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index c031d80..c6920c9 100644 --- a/common/cmd_jffs2.c +++ b/common/cmd_jffs2.c @@ -51,7 +51,7 @@ * mtdids=<idmap>[,<idmap>,...] * * <idmap> := <dev-id>=<mtd-id> - * <dev-id> := 'nand'|'nor'<dev-num> + * <dev-id> := 'nand'|'nor'|'onenand'<dev-num> * <dev-num> := mtd device number, 0... * <mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name) * @@ -103,6 +103,13 @@ #include <nand.h> #endif /* !CONFIG_NAND_LEGACY */ #endif + +#if defined(CONFIG_CMD_ONENAND) +#include <linux/mtd/mtd.h> +#include <linux/mtd/onenand.h> +#include <onenand_uboot.h> +#endif + /* enable/disable debugging messages */ #define DEBUG_JFFS #undef DEBUG_JFFS @@ -401,6 +408,43 @@ static int part_validate_nand(struct mtdids *id, struct part_info *part) } /** + * Performs sanity check for supplied OneNAND flash partition. + * Table of existing OneNAND flash devices is searched and partition device + * is located. Alignment with the granularity of nand erasesize is verified. + * + * @param id of the parent device + * @param part partition to validate + * @return 0 if partition is valid, 1 otherwise + */ +static int part_validate_onenand(struct mtdids *id, struct part_info *part) +{ +#if defined(CONFIG_CMD_ONENAND) + /* info for OneNAND chips */ + struct mtd_info *mtd; + + mtd = &onenand_mtd; + + if ((unsigned long)(part->offset) % mtd->erasesize) { + printf("%s%d: partition (%s) start offset" + "alignment incorrect\n", + MTD_DEV_TYPE(id->type), id->num, part->name); + return 1; + } + + if (part->size % mtd->erasesize) { + printf("%s%d: partition (%s) size alignment incorrect\n", + MTD_DEV_TYPE(id->type), id->num, part->name); + return 1; + } + + return 0; +#else + return 1; +#endif +} + + +/** * Performs sanity check for supplied partition. Offset and size are verified * to be within valid range. Partition type is checked and either * parts_validate_nor() or parts_validate_nand() is called with the argument @@ -436,6 +480,8 @@ static int part_validate(struct mtdids *id, struct part_info *part) return part_validate_nand(id, part); else if (id->type == MTD_DEV_TYPE_NOR) return part_validate_nor(id, part); + else if (id->type == MTD_DEV_TYPE_ONENAND) + return part_validate_onenand(id, part); else DEBUGF("part_validate: invalid dev type\n"); @@ -755,7 +801,15 @@ static int device_validate(u8 type, u8 num, u32 *size) #else printf("support for NAND devices not present\n"); #endif - } + } else if (type == MTD_DEV_TYPE_ONENAND) { +#if defined(CONFIG_CMD_ONENAND) + *size = onenand_mtd.size; + return 0; +#else + printf("support for OneNAND devices not present\n"); +#endif + } else + printf("Unknown defice type %d\n", type); return 1; } @@ -1065,8 +1119,8 @@ static struct mtdids* id_find_by_mtd_id(const char *mtd_id, unsigned int mtd_id_ #endif /* #ifdef CONFIG_JFFS2_CMDLINE */ /** - * Parse device id string <dev-id> := 'nand'|'nor'<dev-num>, return device - * type and number. + * Parse device id string <dev-id> := 'nand'|'nor'|'onenand'<dev-num>, + * return device type and number. * * @param id string describing device id * @param ret_id output pointer to next char after parse completes (output) @@ -1085,6 +1139,9 @@ int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num) } else if (strncmp(p, "nor", 3) == 0) { *dev_type = MTD_DEV_TYPE_NOR; p += 3; + } else if (strncmp(p, "onenand", 7) == 0) { + *dev_type = MTD_DEV_TYPE_ONENAND; + p += 7; } else { printf("incorrect device type in %s\n", id); return 1; @@ -1489,7 +1546,7 @@ static int parse_mtdids(const char *const ids) while(p && (*p != '\0')) { ret = 1; - /* parse 'nor'|'nand'<dev-num> */ + /* parse 'nor'|'nand'|'onenand'<dev-num> */ if (id_parse(p, &p, &type, &num) != 0) break; @@ -2181,7 +2238,7 @@ U_BOOT_CMD( "'mtdids' - linux kernel mtd device id <-> u-boot device id mapping\n\n" "mtdids=<idmap>[,<idmap>,...]\n\n" "<idmap> := <dev-id>=<mtd-id>\n" - "<dev-id> := 'nand'|'nor'<dev-num>\n" + "<dev-id> := 'nand'|'nor'|'onenand'<dev-num>\n" "<dev-num> := mtd device number, 0...\n" "<mtd-id> := unique device tag used by linux kernel to find mtd device (mtd->name)\n\n" "'mtdparts' - partition list\n\n" |