diff options
author | Scott Wood <scottwood@freescale.com> | 2009-04-02 00:02:13 +0400 |
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committer | Scott Wood <scottwood@freescale.com> | 2009-07-17 04:07:47 +0400 |
commit | be33b046b549ad88c204c209508cd7657232ffbd (patch) | |
tree | 5e7c1c74c77a0dbaf7e4f17d3ed047d85beae414 /common/cmd_nand.c | |
parent | fbdaafaee71e2c7f2c31b3582ab6d8679efee8d3 (diff) | |
download | u-boot-be33b046b549ad88c204c209508cd7657232ffbd.tar.xz |
Remove legacy NAND and disk on chip code.
Legacy NAND had been scheduled for removal. Any boards that use this
were already not building in the previous release due to an #error.
The disk on chip code in common/cmd_doc.c relies on legacy NAND,
and it has also been removed. There is newer disk on chip code
in drivers/mtd/nand; someone with access to hardware and sufficient
time and motivation can try to get that working, but for now disk
on chip is not supported.
Signed-off-by: Scott Wood <scottwood@freescale.com>
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 2f70521226..158a55fa70 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 */ |