diff options
Diffstat (limited to 'common/cmd_nand.c')
| -rw-r--r-- | common/cmd_nand.c | 412 |
1 files changed, 0 insertions, 412 deletions
diff --git a/common/cmd_nand.c b/common/cmd_nand.c index 2f7052122..158a55fa7 100644 --- a/common/cmd_nand.c +++ b/common/cmd_nand.c @@ -11,7 +11,6 @@ #include <common.h> -#ifndef CONFIG_NAND_LEGACY /* * * New NAND support @@ -688,414 +687,3 @@ U_BOOT_CMD(nboot, 4, 1, do_nandboot, "[partition] | [[[loadAddr] dev] offset]" ); #endif - -#else /* CONFIG_NAND_LEGACY */ -/* - * - * Legacy NAND support - to be phased out - * - */ -#include <command.h> -#include <malloc.h> -#include <asm/io.h> -#include <watchdog.h> - -#ifdef CONFIG_show_boot_progress -# include <status_led.h> -# define show_boot_progress(arg) show_boot_progress(arg) -#else -# define show_boot_progress(arg) -#endif - -#if defined(CONFIG_CMD_NAND) -#include <linux/mtd/nand_legacy.h> -#if 0 -#include <linux/mtd/nand_ids.h> -#include <jffs2/jffs2.h> -#endif - -#ifdef CONFIG_OMAP1510 -void archflashwp(void *archdata, int wp); -#endif - -#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1))) - -#undef NAND_DEBUG -#undef PSYCHO_DEBUG - -/* ****************** WARNING ********************* - * When ALLOW_ERASE_BAD_DEBUG is non-zero the erase command will - * erase (or at least attempt to erase) blocks that are marked - * bad. This can be very handy if you are _sure_ that the block - * is OK, say because you marked a good block bad to test bad - * block handling and you are done testing, or if you have - * accidentally marked blocks bad. - * - * Erasing factory marked bad blocks is a _bad_ idea. If the - * erase succeeds there is no reliable way to find them again, - * and attempting to program or erase bad blocks can affect - * the data in _other_ (good) blocks. - */ -#define ALLOW_ERASE_BAD_DEBUG 0 - -#define CONFIG_MTD_NAND_ECC /* enable ECC */ -#define CONFIG_MTD_NAND_ECC_JFFS2 - -/* bits for nand_legacy_rw() `cmd'; or together as needed */ -#define NANDRW_READ 0x01 -#define NANDRW_WRITE 0x00 -#define NANDRW_JFFS2 0x02 -#define NANDRW_JFFS2_SKIP 0x04 - -/* - * Imports from nand_legacy.c - */ -extern struct nand_chip nand_dev_desc[CONFIG_SYS_MAX_NAND_DEVICE]; -extern int curr_device; -extern int nand_legacy_erase(struct nand_chip *nand, size_t ofs, - size_t len, int clean); -extern int nand_legacy_rw(struct nand_chip *nand, int cmd, size_t start, - size_t len, size_t *retlen, u_char *buf); -extern void nand_print(struct nand_chip *nand); -extern void nand_print_bad(struct nand_chip *nand); -extern int nand_read_oob(struct nand_chip *nand, size_t ofs, - size_t len, size_t *retlen, u_char *buf); -extern int nand_write_oob(struct nand_chip *nand, size_t ofs, - size_t len, size_t *retlen, const u_char *buf); - - -int do_nand (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) -{ - int rcode = 0; - - switch (argc) { - case 0: - case 1: - cmd_usage(cmdtp); - return 1; - case 2: - if (strcmp (argv[1], "info") == 0) { - int i; - - putc ('\n'); - - for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; ++i) { - if (nand_dev_desc[i].ChipID == - NAND_ChipID_UNKNOWN) - continue; /* list only known devices */ - printf ("Device %d: ", i); - nand_print (&nand_dev_desc[i]); - } - return 0; - - } else if (strcmp (argv[1], "device") == 0) { - if ((curr_device < 0) - || (curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) { - puts ("\nno devices available\n"); - return 1; - } - printf ("\nDevice %d: ", curr_device); - nand_print (&nand_dev_desc[curr_device]); - return 0; - - } else if (strcmp (argv[1], "bad") == 0) { - if ((curr_device < 0) - || (curr_device >= CONFIG_SYS_MAX_NAND_DEVICE)) { - puts ("\nno devices available\n"); - return 1; - } - printf ("\nDevice %d bad blocks:\n", curr_device); - nand_print_bad (&nand_dev_desc[curr_device]); - return 0; - - } - cmd_usage(cmdtp); - return 1; - case 3: - if (strcmp (argv[1], "device") == 0) { - int dev = (int) simple_strtoul (argv[2], NULL, 10); - - printf ("\nDevice %d: ", dev); - if (dev >= CONFIG_SYS_MAX_NAND_DEVICE) { - puts ("unknown device\n"); - return 1; - } - nand_print (&nand_dev_desc[dev]); - /*nand_print (dev); */ - - if (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN) { - return 1; - } - - curr_device = dev; - - puts ("... is now current device\n"); - - return 0; - } else if (strcmp (argv[1], "erase") == 0 - && strcmp (argv[2], "clean") == 0) { - struct nand_chip *nand = &nand_dev_desc[curr_device]; - ulong off = 0; - ulong size = nand->totlen; - int ret; - - printf ("\nNAND erase: device %d offset %ld, size %ld ... ", curr_device, off, size); - - ret = nand_legacy_erase (nand, off, size, 1); - - printf ("%s\n", ret ? "ERROR" : "OK"); - - return ret; - } - - cmd_usage(cmdtp); - return 1; - default: - /* at least 4 args */ - - if (strncmp (argv[1], "read", 4) == 0 || - strncmp (argv[1], "write", 5) == 0) { - ulong addr = simple_strtoul (argv[2], NULL, 16); - off_t off = simple_strtoul (argv[3], NULL, 16); - size_t size = simple_strtoul (argv[4], NULL, 16); - int cmd = (strncmp (argv[1], "read", 4) == 0) ? - NANDRW_READ : NANDRW_WRITE; - size_t total; - int ret; - char *cmdtail = strchr (argv[1], '.'); - - if (cmdtail && !strncmp (cmdtail, ".oob", 2)) { - /* read out-of-band data */ - if (cmd & NANDRW_READ) { - ret = nand_read_oob (nand_dev_desc + curr_device, - off, size, &total, - (u_char *) addr); - } else { - ret = nand_write_oob (nand_dev_desc + curr_device, - off, size, &total, - (u_char *) addr); - } - return ret; - } else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 7)) { - cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ - if (cmd & NANDRW_READ) - cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ - } else if (cmdtail && !strncmp (cmdtail, ".jffs2", 2)) - cmd |= NANDRW_JFFS2; /* skip bad blocks */ -#ifdef SXNI855T - /* need ".e" same as ".j" for compatibility with older units */ - else if (cmdtail && !strcmp (cmdtail, ".e")) - cmd |= NANDRW_JFFS2; /* skip bad blocks */ -#endif -#ifdef CONFIG_SYS_NAND_SKIP_BAD_DOT_I - /* need ".i" same as ".jffs2s" for compatibility with older units (esd) */ - /* ".i" for image -> read skips bad block (no 0xff) */ - else if (cmdtail && !strcmp (cmdtail, ".i")) { - cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */ - if (cmd & NANDRW_READ) - cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */ - } -#endif /* CONFIG_SYS_NAND_SKIP_BAD_DOT_I */ - else if (cmdtail) { - cmd_usage(cmdtp); - return 1; - } - - printf ("\nNAND %s: device %d offset %ld, size %lu ...\n", - (cmd & NANDRW_READ) ? "read" : "write", - curr_device, off, (ulong)size); - - ret = nand_legacy_rw (nand_dev_desc + curr_device, - cmd, off, size, - &total, (u_char *) addr); - - printf (" %d bytes %s: %s\n", total, - (cmd & NANDRW_READ) ? "read" : "written", - ret ? "ERROR" : "OK"); - - return ret; - } else if (strcmp (argv[1], "erase") == 0 && - (argc == 4 || strcmp ("clean", argv[2]) == 0)) { - int clean = argc == 5; - ulong off = - simple_strtoul (argv[2 + clean], NULL, 16); - ulong size = - simple_strtoul (argv[3 + clean], NULL, 16); - int ret; - - printf ("\nNAND erase: device %d offset %ld, size %ld ...\n", - curr_device, off, size); - - ret = nand_legacy_erase (nand_dev_desc + curr_device, - off, size, clean); - - printf ("%s\n", ret ? "ERROR" : "OK"); - - return ret; - } else { - cmd_usage(cmdtp); - rcode = 1; - } - - return rcode; - } -} - -U_BOOT_CMD( - nand, 5, 1, do_nand, - "legacy NAND sub-system", - "info - show available NAND devices\n" - "nand device [dev] - show or set current device\n" - "nand read[.jffs2[s]] addr off size\n" - "nand write[.jffs2] addr off size - read/write `size' bytes starting\n" - " at offset `off' to/from memory address `addr'\n" - "nand erase [clean] [off size] - erase `size' bytes from\n" - " offset `off' (entire device if not specified)\n" - "nand bad - show bad blocks\n" - "nand read.oob addr off size - read out-of-band data\n" - "nand write.oob addr off size - read out-of-band data" -); - -int do_nandboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - char *boot_device = NULL; - char *ep; - int dev; - ulong cnt; - ulong addr; - ulong offset = 0; - image_header_t *hdr; - int rcode = 0; -#if defined(CONFIG_FIT) - const void *fit_hdr = NULL; -#endif - - show_boot_progress (52); - switch (argc) { - case 1: - addr = CONFIG_SYS_LOAD_ADDR; - boot_device = getenv ("bootdevice"); - break; - case 2: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = getenv ("bootdevice"); - break; - case 3: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = argv[2]; - break; - case 4: - addr = simple_strtoul(argv[1], NULL, 16); - boot_device = argv[2]; - offset = simple_strtoul(argv[3], NULL, 16); - break; - default: - cmd_usage(cmdtp); - show_boot_progress (-53); - return 1; - } - - show_boot_progress (53); - if (!boot_device) { - puts ("\n** No boot device **\n"); - show_boot_progress (-54); - return 1; - } - show_boot_progress (54); - - dev = simple_strtoul(boot_device, &ep, 16); - - if ((dev >= CONFIG_SYS_MAX_NAND_DEVICE) || - (nand_dev_desc[dev].ChipID == NAND_ChipID_UNKNOWN)) { - printf ("\n** Device %d not available\n", dev); - show_boot_progress (-55); - return 1; - } - show_boot_progress (55); - - printf ("\nLoading from device %d: %s at 0x%lx (offset 0x%lx)\n", - dev, nand_dev_desc[dev].name, nand_dev_desc[dev].IO_ADDR, - offset); - - if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, offset, - SECTORSIZE, NULL, (u_char *)addr)) { - printf ("** Read error on %d\n", dev); - show_boot_progress (-56); - return 1; - } - show_boot_progress (56); - - switch (genimg_get_format ((void *)addr)) { - case IMAGE_FORMAT_LEGACY: - hdr = (image_header_t *)addr; - image_print_contents (hdr); - - cnt = image_get_image_size (hdr); - cnt -= SECTORSIZE; - break; -#if defined(CONFIG_FIT) - case IMAGE_FORMAT_FIT: - fit_hdr = (const void *)addr; - puts ("Fit image detected...\n"); - - cnt = fit_get_size (fit_hdr); - break; -#endif - default: - show_boot_progress (-57); - puts ("** Unknown image type\n"); - return 1; - } - show_boot_progress (57); - - if (nand_legacy_rw (nand_dev_desc + dev, NANDRW_READ, - offset + SECTORSIZE, cnt, NULL, - (u_char *)(addr+SECTORSIZE))) { - printf ("** Read error on %d\n", dev); - show_boot_progress (-58); - return 1; - } - show_boot_progress (58); - -#if defined(CONFIG_FIT) - /* This cannot be done earlier, we need complete FIT image in RAM first */ - if (genimg_get_format ((void *)addr) == IMAGE_FORMAT_FIT) { - if (!fit_check_format (fit_hdr)) { - show_boot_progress (-150); - puts ("** Bad FIT image format\n"); - return 1; - } - show_boot_progress (151); - fit_print_contents (fit_hdr); - } -#endif - - /* Loading ok, update default load address */ - - load_addr = addr; - - /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { - char *local_args[2]; - extern int do_bootm (cmd_tbl_t *, int, int, char *[]); - - local_args[0] = argv[0]; - local_args[1] = NULL; - - printf ("Automatic boot of image at addr 0x%08lx ...\n", addr); - - do_bootm (cmdtp, 0, 1, local_args); - rcode = 1; - } - return rcode; -} - -U_BOOT_CMD( - nboot, 4, 1, do_nandboot, - "boot from NAND device", - "loadAddr dev" -); - -#endif - -#endif /* CONFIG_NAND_LEGACY */ |