diff options
Diffstat (limited to 'common/cmd_flash.c')
| -rw-r--r-- | common/cmd_flash.c | 84 |
1 files changed, 83 insertions, 1 deletions
diff --git a/common/cmd_flash.c b/common/cmd_flash.c index 3972082..0fb4dbb 100644 --- a/common/cmd_flash.c +++ b/common/cmd_flash.c @@ -27,13 +27,22 @@ #include <common.h> #include <command.h> - #ifdef CONFIG_HAS_DATAFLASH #include <dataflash.h> #endif #if (CONFIG_COMMANDS & CFG_CMD_FLASH) +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) +#include <jffs2/jffs2.h> + +/* parition handling routines */ +int mtdparts_init(void); +int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num); +int find_dev_and_part(const char *id, struct mtd_device **dev, + u8 *part_num, struct part_info **part); +#endif + extern flash_info_t flash_info[]; /* info for FLASH chips */ /* @@ -295,11 +304,17 @@ int do_flinfo ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) flash_print_info (&flash_info[bank-1]); return 0; } + int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { flash_info_t *info; ulong bank, addr_first, addr_last; int n, sect_first, sect_last; +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + struct mtd_device *dev; + struct part_info *part; + u8 dev_type, dev_num, pnum; +#endif int rcode = 0; if (argc < 2) { @@ -327,6 +342,32 @@ int do_flerase (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return rcode; } +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + /* erase <part-id> - erase partition */ + if ((argc == 2) && (id_parse(argv[1], NULL, &dev_type, &dev_num) == 0)) { + mtdparts_init(); + if (find_dev_and_part(argv[1], &dev, &pnum, &part) == 0) { + if (dev->id->type == MTD_DEV_TYPE_NOR) { + bank = dev->id->num; + info = &flash_info[bank]; + addr_first = part->offset + info->start[0]; + addr_last = addr_first + part->size - 1; + + printf ("Erase Flash Parition %s, " + "bank %d, 0x%08lx - 0x%08lx ", + argv[1], bank, addr_first, + addr_last); + + rcode = flash_sect_erase(addr_first, addr_last); + return rcode; + } + + printf("cannot erase, not a NOR device\n"); + return 1; + } + } +#endif + if (argc != 3) { printf ("Usage:\n%s\n", cmdtp->usage); return 1; @@ -401,6 +442,11 @@ int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) flash_info_t *info; ulong bank, addr_first, addr_last; int i, p, n, sect_first, sect_last; +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + struct mtd_device *dev; + struct part_info *part; + u8 dev_type, dev_num, pnum; +#endif int rcode = 0; #ifdef CONFIG_HAS_DATAFLASH int status; @@ -488,6 +534,33 @@ int do_protect (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return rcode; } + +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + /* protect on/off <part-id> */ + if ((argc == 3) && (id_parse(argv[2], NULL, &dev_type, &dev_num) == 0)) { + mtdparts_init(); + if (find_dev_and_part(argv[2], &dev, &pnum, &part) == 0) { + if (dev->id->type == MTD_DEV_TYPE_NOR) { + bank = dev->id->num; + info = &flash_info[bank]; + addr_first = part->offset + info->start[0]; + addr_last = addr_first + part->size - 1; + + printf ("%sProtect Flash Parition %s, " + "bank %d, 0x%08lx - 0x%08lx\n", + p ? "" : "Un", argv[1], + bank, addr_first, addr_last); + + rcode = flash_sect_protect (p, addr_first, addr_last); + return rcode; + } + + printf("cannot %sprotect, not a NOR device\n", + p ? "" : "un"); + return 1; + } + } +#endif if (argc != 4) { printf ("Usage:\n%s\n", cmdtp->usage); @@ -609,6 +682,9 @@ U_BOOT_CMD( "w/addr 'start'+'len'-1\n" "erase N:SF[-SL]\n - erase sectors SF-SL in FLASH bank # N\n" "erase bank N\n - erase FLASH bank # N\n" +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + "erase <part-id>\n - erase partition\n" +#endif "erase all\n - erase all FLASH banks\n" ); @@ -623,6 +699,9 @@ U_BOOT_CMD( "protect on N:SF[-SL]\n" " - protect sectors SF-SL in FLASH bank # N\n" "protect on bank N\n - protect FLASH bank # N\n" +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + "protect on <part-id>\n - protect partition\n" +#endif "protect on all\n - protect all FLASH banks\n" "protect off start end\n" " - make FLASH from addr 'start' to addr 'end' writable\n" @@ -632,6 +711,9 @@ U_BOOT_CMD( "protect off N:SF[-SL]\n" " - make sectors SF-SL writable in FLASH bank # N\n" "protect off bank N\n - make FLASH bank # N writable\n" +#if (CONFIG_COMMANDS & CFG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE) + "protect off <part-id>\n - make partition writable\n" +#endif "protect off all\n - make all FLASH banks writable\n" ); |