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author | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 |
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committer | Haavard Skinnemoen <haavard.skinnemoen@atmel.com> | 2008-12-17 16:53:07 +0100 |
commit | cb5473205206c7f14cbb1e747f28ec75b48826e2 (patch) | |
tree | 8f4808d60917100b18a10b05230f7638a0a9bbcc /common/cmd_jffs2.c | |
parent | baf449fc5ff96f071bb0e3789fd3265f6d4fd9a0 (diff) | |
parent | 92c78a3bbcb2ce508b4bf1c4a1e0940406a024bb (diff) | |
download | u-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.zip u-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.gz u-boot-imx-cb5473205206c7f14cbb1e747f28ec75b48826e2.tar.bz2 |
Merge branch 'fixes' into cleanups
Conflicts:
board/atmel/atngw100/atngw100.c
board/atmel/atstk1000/atstk1000.c
cpu/at32ap/at32ap700x/gpio.c
include/asm-avr32/arch-at32ap700x/clk.h
include/configs/atngw100.h
include/configs/atstk1002.h
include/configs/atstk1003.h
include/configs/atstk1004.h
include/configs/atstk1006.h
include/configs/favr-32-ezkit.h
include/configs/hammerhead.h
include/configs/mimc200.h
Diffstat (limited to 'common/cmd_jffs2.c')
-rw-r--r-- | common/cmd_jffs2.c | 113 |
1 files changed, 92 insertions, 21 deletions
diff --git a/common/cmd_jffs2.c b/common/cmd_jffs2.c index c031d80..7866c80 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 @@ -332,11 +339,15 @@ static int part_validate_nor(struct mtdids *id, struct part_info *part) extern flash_info_t flash_info[]; flash_info_t *flash; int offset_aligned; - u32 end_offset; + u32 end_offset, sector_size = 0; int i; flash = &flash_info[id->num]; + /* size of last sector */ + part->sector_size = flash->size - + (flash->start[flash->sector_count-1] - flash->start[0]); + offset_aligned = 0; for (i = 0; i < flash->sector_count; i++) { if ((flash->start[i] - flash->start[0]) == part->offset) { @@ -351,12 +362,18 @@ static int part_validate_nor(struct mtdids *id, struct part_info *part) } end_offset = part->offset + part->size; + offset_aligned = 0; for (i = 0; i < flash->sector_count; i++) { + if (i) { + sector_size = flash->start[i] - flash->start[i-1]; + if (part->sector_size < sector_size) + part->sector_size = sector_size; + } if ((flash->start[i] - flash->start[0]) == end_offset) - return 0; + offset_aligned = 1; } - if (flash->size == end_offset) + if (offset_aligned || flash->size == end_offset) return 0; printf("%s%d: partition (%s) size alignment incorrect\n", @@ -382,6 +399,8 @@ static int part_validate_nand(struct mtdids *id, struct part_info *part) nand = &nand_info[id->num]; + part->sector_size = nand->erasesize; + if ((unsigned long)(part->offset) % nand->erasesize) { printf("%s%d: partition (%s) start offset alignment incorrect\n", MTD_DEV_TYPE(id->type), id->num, part->name); @@ -401,6 +420,45 @@ 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; + + part->sector_size = mtd->erasesize; + + 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 +494,8 @@ 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"); @@ -726,7 +786,7 @@ static int device_validate(u8 type, u8 num, u32 *size) { if (type == MTD_DEV_TYPE_NOR) { #if defined(CONFIG_CMD_FLASH) - if (num < CFG_MAX_FLASH_BANKS) { + if (num < CONFIG_SYS_MAX_FLASH_BANKS) { extern flash_info_t flash_info[]; *size = flash_info[num].size; @@ -734,28 +794,36 @@ static int device_validate(u8 type, u8 num, u32 *size) } printf("no such FLASH device: %s%d (valid range 0 ... %d\n", - MTD_DEV_TYPE(type), num, CFG_MAX_FLASH_BANKS - 1); + MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_FLASH_BANKS - 1); #else printf("support for FLASH devices not present\n"); #endif } else if (type == MTD_DEV_TYPE_NAND) { #if defined(CONFIG_JFFS2_NAND) && defined(CONFIG_CMD_NAND) - if (num < CFG_MAX_NAND_DEVICE) { + if (num < CONFIG_SYS_MAX_NAND_DEVICE) { #ifndef CONFIG_NAND_LEGACY *size = nand_info[num].size; #else - extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE]; + extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE]; *size = nand_dev_desc[num].totlen; #endif return 0; } printf("no such NAND device: %s%d (valid range 0 ... %d)\n", - MTD_DEV_TYPE(type), num, CFG_MAX_NAND_DEVICE - 1); + MTD_DEV_TYPE(type), num, CONFIG_SYS_MAX_NAND_DEVICE - 1); #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; } @@ -1002,7 +1070,7 @@ static int device_parse(const char *const mtd_dev, const char **ret, struct mtd_ * * @return 0 on success, 1 otherwise */ -static int devices_init(void) +static int jffs2_devices_init(void) { last_parts[0] = '\0'; current_dev = NULL; @@ -1065,8 +1133,8 @@ 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 +1153,9 @@ 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; @@ -1414,12 +1485,12 @@ static int parse_mtdparts(const char *const mtdparts) DEBUGF("\n---parse_mtdparts---\nmtdparts = %s\n\n", p); /* delete all devices and partitions */ - if (devices_init() != 0) { + if (jffs2_devices_init() != 0) { printf("could not initialise device list\n"); return err; } - /* re-read 'mtdparts' variable, devices_init may be updating env */ + /* re-read 'mtdparts' variable, jffs2_devices_init may be updating env */ p = getenv("mtdparts"); if (strncmp(p, "mtdparts=", 9) != 0) { @@ -1489,7 +1560,7 @@ 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; @@ -1641,7 +1712,7 @@ int mtdparts_init(void) ids_changed = 1; if (parse_mtdids(ids) != 0) { - devices_init(); + jffs2_devices_init(); return 1; } @@ -1674,7 +1745,7 @@ int mtdparts_init(void) /* mtdparts variable was reset to NULL, delete all devices/partitions */ if (!parts && (last_parts[0] != '\0')) - return devices_init(); + return jffs2_devices_init(); /* do not process current partition if mtdparts variable is null */ if (!parts) @@ -2048,8 +2119,8 @@ int do_jffs2_mtdparts(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) setenv("mtdparts", NULL); - /* devices_init() calls current_save() */ - return devices_init(); + /* jffs2_devices_init() calls current_save() */ + return jffs2_devices_init(); } } @@ -2181,7 +2252,7 @@ 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" |