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![Stelian Pop](/assets/img/avatar_default.png)
The nand_info array is declared as extern in several .c files. Those days, nand.h contains a reference to the array, so there is no need to declare it elsewhere. Signed-off-by: Stelian Pop <stelian@popies.net> Signed-off-by: Scott Wood <scottwood@freescale.com>
1086 lines
27 KiB
C
1086 lines
27 KiB
C
/*
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* Driver for NAND support, Rick Bronson
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* borrowed heavily from:
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* (c) 1999 Machine Vision Holdings, Inc.
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* (c) 1999, 2000 David Woodhouse <dwmw2@infradead.org>
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*
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* Added 16-bit nand support
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* (C) 2004 Texas Instruments
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*/
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#include <common.h>
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#ifndef CFG_NAND_LEGACY
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/*
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*
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* New NAND support
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*
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*/
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#include <common.h>
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#if defined(CONFIG_CMD_NAND)
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#include <command.h>
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#include <watchdog.h>
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#include <malloc.h>
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#include <asm/byteorder.h>
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#include <jffs2/jffs2.h>
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#include <nand.h>
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#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
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/* parition handling routines */
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int mtdparts_init(void);
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int id_parse(const char *id, const char **ret_id, u8 *dev_type, u8 *dev_num);
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int find_dev_and_part(const char *id, struct mtd_device **dev,
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u8 *part_num, struct part_info **part);
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#endif
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static int nand_dump_oob(nand_info_t *nand, ulong off)
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{
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return 0;
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}
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static int nand_dump(nand_info_t *nand, ulong off)
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{
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int i;
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u_char *buf, *p;
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buf = malloc(nand->oobblock + nand->oobsize);
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if (!buf) {
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puts("No memory for page buffer\n");
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return 1;
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}
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off &= ~(nand->oobblock - 1);
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i = nand_read_raw(nand, buf, off, nand->oobblock, nand->oobsize);
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if (i < 0) {
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printf("Error (%d) reading page %08x\n", i, off);
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free(buf);
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return 1;
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}
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printf("Page %08x dump:\n", off);
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i = nand->oobblock >> 4; p = buf;
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while (i--) {
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printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x"
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" %02x %02x %02x %02x %02x %02x %02x %02x\n",
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p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
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p[8], p[9], p[10], p[11], p[12], p[13], p[14], p[15]);
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p += 16;
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}
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puts("OOB:\n");
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i = nand->oobsize >> 3;
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while (i--) {
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printf( "\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
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p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
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p += 8;
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}
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free(buf);
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return 0;
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}
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/* ------------------------------------------------------------------------- */
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static inline int str2long(char *p, ulong *num)
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{
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char *endptr;
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*num = simple_strtoul(p, &endptr, 16);
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return (*p != '\0' && *endptr == '\0') ? 1 : 0;
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}
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static int
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arg_off_size(int argc, char *argv[], nand_info_t *nand, ulong *off, size_t *size)
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{
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int idx = nand_curr_device;
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#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
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struct mtd_device *dev;
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struct part_info *part;
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u8 pnum;
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if (argc >= 1 && !(str2long(argv[0], off))) {
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if ((mtdparts_init() == 0) &&
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(find_dev_and_part(argv[0], &dev, &pnum, &part) == 0)) {
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if (dev->id->type != MTD_DEV_TYPE_NAND) {
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puts("not a NAND device\n");
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return -1;
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}
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*off = part->offset;
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if (argc >= 2) {
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if (!(str2long(argv[1], (ulong *)size))) {
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printf("'%s' is not a number\n", argv[1]);
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return -1;
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}
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if (*size > part->size)
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*size = part->size;
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} else {
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*size = part->size;
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}
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idx = dev->id->num;
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*nand = nand_info[idx];
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goto out;
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}
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}
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#endif
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if (argc >= 1) {
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if (!(str2long(argv[0], off))) {
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printf("'%s' is not a number\n", argv[0]);
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return -1;
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}
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} else {
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*off = 0;
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}
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if (argc >= 2) {
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if (!(str2long(argv[1], (ulong *)size))) {
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printf("'%s' is not a number\n", argv[1]);
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return -1;
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}
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} else {
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*size = nand->size - *off;
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}
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#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
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out:
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#endif
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printf("device %d ", idx);
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if (*size == nand->size)
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puts("whole chip\n");
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else
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printf("offset 0x%x, size 0x%x\n", *off, *size);
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return 0;
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}
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int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
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{
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int i, dev, ret;
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ulong addr, off;
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size_t size;
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char *cmd, *s;
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nand_info_t *nand;
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#ifdef CFG_NAND_QUIET
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int quiet = CFG_NAND_QUIET;
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#else
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int quiet = 0;
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#endif
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const char *quiet_str = getenv("quiet");
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/* at least two arguments please */
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if (argc < 2)
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goto usage;
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if (quiet_str)
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quiet = simple_strtoul(quiet_str, NULL, 0) != 0;
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cmd = argv[1];
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if (strcmp(cmd, "info") == 0) {
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putc('\n');
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for (i = 0; i < CFG_MAX_NAND_DEVICE; i++) {
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if (nand_info[i].name)
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printf("Device %d: %s, sector size %lu KiB\n",
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i, nand_info[i].name,
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nand_info[i].erasesize >> 10);
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}
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return 0;
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}
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if (strcmp(cmd, "device") == 0) {
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if (argc < 3) {
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if ((nand_curr_device < 0) ||
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(nand_curr_device >= CFG_MAX_NAND_DEVICE))
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puts("\nno devices available\n");
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else
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printf("\nDevice %d: %s\n", nand_curr_device,
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nand_info[nand_curr_device].name);
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return 0;
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}
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dev = (int)simple_strtoul(argv[2], NULL, 10);
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if (dev < 0 || dev >= CFG_MAX_NAND_DEVICE || !nand_info[dev].name) {
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puts("No such device\n");
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return 1;
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}
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printf("Device %d: %s", dev, nand_info[dev].name);
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puts("... is now current device\n");
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nand_curr_device = dev;
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#ifdef CFG_NAND_SELECT_DEVICE
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/*
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* Select the chip in the board/cpu specific driver
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*/
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board_nand_select_device(nand_info[dev].priv, dev);
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#endif
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return 0;
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}
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if (strcmp(cmd, "bad") != 0 && strcmp(cmd, "erase") != 0 &&
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strncmp(cmd, "dump", 4) != 0 &&
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strncmp(cmd, "read", 4) != 0 && strncmp(cmd, "write", 5) != 0 &&
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strcmp(cmd, "scrub") != 0 && strcmp(cmd, "markbad") != 0 &&
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strcmp(cmd, "biterr") != 0 &&
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strcmp(cmd, "lock") != 0 && strcmp(cmd, "unlock") != 0 )
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goto usage;
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/* the following commands operate on the current device */
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if (nand_curr_device < 0 || nand_curr_device >= CFG_MAX_NAND_DEVICE ||
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!nand_info[nand_curr_device].name) {
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puts("\nno devices available\n");
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return 1;
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}
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nand = &nand_info[nand_curr_device];
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if (strcmp(cmd, "bad") == 0) {
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printf("\nDevice %d bad blocks:\n", nand_curr_device);
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for (off = 0; off < nand->size; off += nand->erasesize)
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if (nand_block_isbad(nand, off))
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printf(" %08x\n", off);
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return 0;
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}
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/*
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* Syntax is:
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* 0 1 2 3 4
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* nand erase [clean] [off size]
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*/
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if (strcmp(cmd, "erase") == 0 || strcmp(cmd, "scrub") == 0) {
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nand_erase_options_t opts;
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/* "clean" at index 2 means request to write cleanmarker */
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int clean = argc > 2 && !strcmp("clean", argv[2]);
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int o = clean ? 3 : 2;
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int scrub = !strcmp(cmd, "scrub");
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printf("\nNAND %s: ", scrub ? "scrub" : "erase");
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/* skip first two or three arguments, look for offset and size */
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if (arg_off_size(argc - o, argv + o, nand, &off, &size) != 0)
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return 1;
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memset(&opts, 0, sizeof(opts));
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opts.offset = off;
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opts.length = size;
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opts.jffs2 = clean;
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opts.quiet = quiet;
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if (scrub) {
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puts("Warning: "
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"scrub option will erase all factory set "
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"bad blocks!\n"
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" "
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"There is no reliable way to recover them.\n"
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" "
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"Use this command only for testing purposes "
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"if you\n"
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" "
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"are sure of what you are doing!\n"
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"\nReally scrub this NAND flash? <y/N>\n");
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if (getc() == 'y' && getc() == '\r') {
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opts.scrub = 1;
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} else {
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puts("scrub aborted\n");
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return -1;
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}
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}
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ret = nand_erase_opts(nand, &opts);
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printf("%s\n", ret ? "ERROR" : "OK");
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return ret == 0 ? 0 : 1;
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}
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if (strncmp(cmd, "dump", 4) == 0) {
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if (argc < 3)
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goto usage;
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s = strchr(cmd, '.');
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off = (int)simple_strtoul(argv[2], NULL, 16);
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if (s != NULL && strcmp(s, ".oob") == 0)
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ret = nand_dump_oob(nand, off);
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else
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ret = nand_dump(nand, off);
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return ret == 0 ? 1 : 0;
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}
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/* read write */
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if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
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int read;
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if (argc < 4)
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goto usage;
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addr = (ulong)simple_strtoul(argv[2], NULL, 16);
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read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
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printf("\nNAND %s: ", read ? "read" : "write");
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if (arg_off_size(argc - 3, argv + 3, nand, &off, &size) != 0)
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return 1;
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s = strchr(cmd, '.');
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if (s != NULL &&
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(!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i"))) {
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if (read) {
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/* read */
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nand_read_options_t opts;
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memset(&opts, 0, sizeof(opts));
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opts.buffer = (u_char*) addr;
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opts.length = size;
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opts.offset = off;
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opts.quiet = quiet;
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ret = nand_read_opts(nand, &opts);
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} else {
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/* write */
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nand_write_options_t opts;
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memset(&opts, 0, sizeof(opts));
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opts.buffer = (u_char*) addr;
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opts.length = size;
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opts.offset = off;
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/* opts.forcejffs2 = 1; */
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opts.pad = 1;
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opts.blockalign = 1;
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opts.quiet = quiet;
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ret = nand_write_opts(nand, &opts);
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}
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} else if (s != NULL && !strcmp(s, ".oob")) {
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/* read out-of-band data */
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if (read)
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ret = nand->read_oob(nand, off, size, &size,
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(u_char *) addr);
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else
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ret = nand->write_oob(nand, off, size, &size,
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(u_char *) addr);
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} else {
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if (read)
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ret = nand_read(nand, off, &size, (u_char *)addr);
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else
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ret = nand_write(nand, off, &size, (u_char *)addr);
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}
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printf(" %d bytes %s: %s\n", size,
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read ? "read" : "written", ret ? "ERROR" : "OK");
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return ret == 0 ? 0 : 1;
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}
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if (strcmp(cmd, "markbad") == 0) {
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addr = (ulong)simple_strtoul(argv[2], NULL, 16);
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int ret = nand->block_markbad(nand, addr);
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if (ret == 0) {
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printf("block 0x%08lx successfully marked as bad\n",
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(ulong) addr);
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return 0;
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} else {
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printf("block 0x%08lx NOT marked as bad! ERROR %d\n",
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(ulong) addr, ret);
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}
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return 1;
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}
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if (strcmp(cmd, "biterr") == 0) {
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/* todo */
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return 1;
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}
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if (strcmp(cmd, "lock") == 0) {
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int tight = 0;
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int status = 0;
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if (argc == 3) {
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if (!strcmp("tight", argv[2]))
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tight = 1;
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if (!strcmp("status", argv[2]))
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status = 1;
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}
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if (status) {
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ulong block_start = 0;
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ulong off;
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int last_status = -1;
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struct nand_chip *nand_chip = nand->priv;
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/* check the WP bit */
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nand_chip->cmdfunc (nand, NAND_CMD_STATUS, -1, -1);
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printf("device is %swrite protected\n",
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(nand_chip->read_byte(nand) & 0x80 ?
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"NOT " : "" ) );
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for (off = 0; off < nand->size; off += nand->oobblock) {
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int s = nand_get_lock_status(nand, off);
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/* print message only if status has changed
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* or at end of chip
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*/
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if (off == nand->size - nand->oobblock
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|| (s != last_status && off != 0)) {
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printf("%08x - %08x: %8d pages %s%s%s\n",
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block_start,
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off-1,
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(off-block_start)/nand->oobblock,
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((last_status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
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((last_status & NAND_LOCK_STATUS_LOCK) ? "LOCK " : ""),
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((last_status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
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}
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last_status = s;
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}
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} else {
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if (!nand_lock(nand, tight)) {
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puts("NAND flash successfully locked\n");
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} else {
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puts("Error locking NAND flash\n");
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return 1;
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}
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}
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return 0;
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}
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if (strcmp(cmd, "unlock") == 0) {
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if (arg_off_size(argc - 2, argv + 2, nand, &off, &size) < 0)
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return 1;
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if (!nand_unlock(nand, off, size)) {
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puts("NAND flash successfully unlocked\n");
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} else {
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puts("Error unlocking NAND flash, "
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"write and erase will probably fail\n");
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return 1;
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}
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return 0;
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}
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usage:
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printf("Usage:\n%s\n", cmdtp->usage);
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return 1;
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}
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U_BOOT_CMD(nand, 5, 1, do_nand,
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"nand - NAND sub-system\n",
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"info - show available NAND devices\n"
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"nand device [dev] - show or set current device\n"
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"nand read[.jffs2] - addr off|partition size\n"
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"nand write[.jffs2] - addr off|partition size - read/write `size' bytes starting\n"
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" at offset `off' to/from memory address `addr'\n"
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"nand erase [clean] [off size] - erase `size' bytes from\n"
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" offset `off' (entire device if not specified)\n"
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"nand bad - show bad blocks\n"
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"nand dump[.oob] off - dump page\n"
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"nand scrub - really clean NAND erasing bad blocks (UNSAFE)\n"
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"nand markbad off - mark bad block at offset (UNSAFE)\n"
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"nand biterr off - make a bit error at offset (UNSAFE)\n"
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"nand lock [tight] [status] - bring nand to lock state or display locked pages\n"
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"nand unlock [offset] [size] - unlock section\n");
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static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
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ulong offset, ulong addr, char *cmd)
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|
{
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int r;
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char *ep, *s;
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size_t cnt;
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image_header_t *hdr;
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int jffs2 = 0;
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#if defined(CONFIG_FIT)
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const void *fit_hdr;
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#endif
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s = strchr(cmd, '.');
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if (s != NULL &&
|
|
(!strcmp(s, ".jffs2") || !strcmp(s, ".e") || !strcmp(s, ".i")))
|
|
jffs2 = 1;
|
|
|
|
printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
|
|
|
|
cnt = nand->oobblock;
|
|
if (jffs2) {
|
|
nand_read_options_t opts;
|
|
memset(&opts, 0, sizeof(opts));
|
|
opts.buffer = (u_char*) addr;
|
|
opts.length = cnt;
|
|
opts.offset = offset;
|
|
opts.quiet = 1;
|
|
r = nand_read_opts(nand, &opts);
|
|
} else {
|
|
r = nand_read(nand, offset, &cnt, (u_char *) addr);
|
|
}
|
|
|
|
if (r) {
|
|
puts("** Read error\n");
|
|
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;
|
|
|
|
show_boot_progress (57);
|
|
image_print_contents (hdr);
|
|
|
|
cnt = image_get_image_size (hdr);
|
|
break;
|
|
#if defined(CONFIG_FIT)
|
|
case IMAGE_FORMAT_FIT:
|
|
fit_hdr = (const void *)addr;
|
|
if (!fit_check_format (fit_hdr)) {
|
|
show_boot_progress (-150);
|
|
puts ("** Bad FIT image format\n");
|
|
return 1;
|
|
}
|
|
show_boot_progress (151);
|
|
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;
|
|
}
|
|
|
|
if (jffs2) {
|
|
nand_read_options_t opts;
|
|
memset(&opts, 0, sizeof(opts));
|
|
opts.buffer = (u_char*) addr;
|
|
opts.length = cnt;
|
|
opts.offset = offset;
|
|
opts.quiet = 1;
|
|
r = nand_read_opts(nand, &opts);
|
|
} else {
|
|
r = nand_read(nand, offset, &cnt, (u_char *) addr);
|
|
}
|
|
|
|
if (r) {
|
|
puts("** Read error\n");
|
|
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)
|
|
fit_print_contents ((const void *)addr);
|
|
#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] = cmd;
|
|
local_args[1] = NULL;
|
|
|
|
printf("Automatic boot of image at addr 0x%08lx ...\n", addr);
|
|
|
|
do_bootm(cmdtp, 0, 1, local_args);
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int do_nandboot(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
|
|
{
|
|
char *boot_device = NULL;
|
|
int idx;
|
|
ulong addr, offset = 0;
|
|
#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
|
|
struct mtd_device *dev;
|
|
struct part_info *part;
|
|
u8 pnum;
|
|
|
|
if (argc >= 2) {
|
|
char *p = (argc == 2) ? argv[1] : argv[2];
|
|
if (!(str2long(p, &addr)) && (mtdparts_init() == 0) &&
|
|
(find_dev_and_part(p, &dev, &pnum, &part) == 0)) {
|
|
if (dev->id->type != MTD_DEV_TYPE_NAND) {
|
|
puts("Not a NAND device\n");
|
|
return 1;
|
|
}
|
|
if (argc > 3)
|
|
goto usage;
|
|
if (argc == 3)
|
|
addr = simple_strtoul(argv[1], NULL, 16);
|
|
else
|
|
addr = CFG_LOAD_ADDR;
|
|
return nand_load_image(cmdtp, &nand_info[dev->id->num],
|
|
part->offset, addr, argv[0]);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
show_boot_progress(52);
|
|
switch (argc) {
|
|
case 1:
|
|
addr = CFG_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:
|
|
#if defined(CONFIG_CMD_JFFS2) && defined(CONFIG_JFFS2_CMDLINE)
|
|
usage:
|
|
#endif
|
|
printf("Usage:\n%s\n", cmdtp->usage);
|
|
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);
|
|
|
|
idx = simple_strtoul(boot_device, NULL, 16);
|
|
|
|
if (idx < 0 || idx >= CFG_MAX_NAND_DEVICE || !nand_info[idx].name) {
|
|
printf("\n** Device %d not available\n", idx);
|
|
show_boot_progress(-55);
|
|
return 1;
|
|
}
|
|
show_boot_progress(55);
|
|
|
|
return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
|
|
}
|
|
|
|
U_BOOT_CMD(nboot, 4, 1, do_nandboot,
|
|
"nboot - boot from NAND device\n",
|
|
"[.jffs2] [partition] | [[[loadAddr] dev] offset]\n");
|
|
|
|
#endif
|
|
|
|
#else /* CFG_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[CFG_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:
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
case 2:
|
|
if (strcmp (argv[1], "info") == 0) {
|
|
int i;
|
|
|
|
putc ('\n');
|
|
|
|
for (i = 0; i < CFG_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 >= CFG_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 >= CFG_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;
|
|
|
|
}
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
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 >= CFG_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;
|
|
}
|
|
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
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, ".jffs2", 2))
|
|
cmd |= NANDRW_JFFS2; /* skip bad blocks */
|
|
else if (cmdtail && !strncmp (cmdtail, ".jffs2s", 2)) {
|
|
cmd |= NANDRW_JFFS2; /* skip bad blocks (on read too) */
|
|
if (cmd & NANDRW_READ)
|
|
cmd |= NANDRW_JFFS2_SKIP; /* skip bad blocks (on read too) */
|
|
}
|
|
#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 CFG_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 /* CFG_NAND_SKIP_BAD_DOT_I */
|
|
else if (cmdtail) {
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
return 1;
|
|
}
|
|
|
|
printf ("\nNAND %s: device %d offset %ld, size %ld ...\n",
|
|
(cmd & NANDRW_READ) ? "read" : "write",
|
|
curr_device, off, 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 {
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
rcode = 1;
|
|
}
|
|
|
|
return rcode;
|
|
}
|
|
}
|
|
|
|
U_BOOT_CMD(
|
|
nand, 5, 1, do_nand,
|
|
"nand - legacy NAND sub-system\n",
|
|
"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\n"
|
|
);
|
|
|
|
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;
|
|
#endif
|
|
|
|
show_boot_progress (52);
|
|
switch (argc) {
|
|
case 1:
|
|
addr = CFG_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:
|
|
printf ("Usage:\n%s\n", cmdtp->usage);
|
|
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 >= CFG_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;
|
|
if (!fit_check_format (fit_hdr)) {
|
|
show_boot_progress (-150);
|
|
puts ("** Bad FIT image format\n");
|
|
return 1;
|
|
}
|
|
show_boot_progress (151);
|
|
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)
|
|
fit_print_contents ((const void *)addr);
|
|
#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,
|
|
"nboot - boot from NAND device\n",
|
|
"loadAddr dev\n"
|
|
);
|
|
|
|
#endif
|
|
|
|
#endif /* CFG_NAND_LEGACY */
|