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Remove the cmd_ prefix from command files
Now that they are in their own directory, we can remove this prefix. This makes it easier to find a file since the prefix does not get in the way. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de> Acked-by: Stefan Roese <sr@denx.de> Acked-by: Przemyslaw Marczak <p.marczak@samsung.com>
This commit is contained in:
Simon Glass
Tom Rini
parent
72a8cf8dcc
commit
2e192b245e
127 changed files with 129 additions and 129 deletions
973
cmd/nand.c
Normal file
973
cmd/nand.c
Normal file
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@ -0,0 +1,973 @@
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/*
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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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* Ported 'dynenv' to 'nand env.oob' command
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* (C) 2010 Nanometrics, Inc.
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* 'dynenv' -- Dynamic environment offset in NAND OOB
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* (C) Copyright 2006-2007 OpenMoko, Inc.
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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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* Copyright 2010, 2012 Freescale Semiconductor
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* The portions of this file whose copyright is held by Freescale and which
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* are not considered a derived work of GPL v2-only code may be distributed
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* and/or modified under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*/
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#include <common.h>
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#include <linux/mtd/mtd.h>
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#include <command.h>
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#include <console.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_MTDPARTS)
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/* partition 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(nand_info_t *nand, ulong off, int only_oob, int repeat)
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{
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int i;
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u_char *datbuf, *oobbuf, *p;
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static loff_t last;
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int ret = 0;
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if (repeat)
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off = last + nand->writesize;
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last = off;
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datbuf = memalign(ARCH_DMA_MINALIGN, nand->writesize);
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if (!datbuf) {
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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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oobbuf = memalign(ARCH_DMA_MINALIGN, nand->oobsize);
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if (!oobbuf) {
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puts("No memory for page buffer\n");
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ret = 1;
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goto free_dat;
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}
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off &= ~(nand->writesize - 1);
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loff_t addr = (loff_t) off;
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struct mtd_oob_ops ops;
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memset(&ops, 0, sizeof(ops));
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ops.datbuf = datbuf;
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ops.oobbuf = oobbuf;
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ops.len = nand->writesize;
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ops.ooblen = nand->oobsize;
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ops.mode = MTD_OPS_RAW;
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i = mtd_read_oob(nand, addr, &ops);
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if (i < 0) {
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printf("Error (%d) reading page %08lx\n", i, off);
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ret = 1;
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goto free_all;
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}
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printf("Page %08lx dump:\n", off);
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if (!only_oob) {
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i = nand->writesize >> 4;
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p = datbuf;
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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],
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p[15]);
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p += 16;
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}
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}
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puts("OOB:\n");
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i = nand->oobsize >> 3;
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p = oobbuf;
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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_all:
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free(oobbuf);
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free_dat:
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free(datbuf);
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return ret;
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}
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/* ------------------------------------------------------------------------- */
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static int set_dev(int dev)
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{
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if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
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!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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if (nand_curr_device == dev)
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return 0;
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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 CONFIG_SYS_NAND_SELECT_DEVICE
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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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#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
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static void print_status(ulong start, ulong end, ulong erasesize, int status)
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{
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/*
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* Micron NAND flash (e.g. MT29F4G08ABADAH4) BLOCK LOCK READ STATUS is
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* not the same as others. Instead of bit 1 being lock, it is
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* #lock_tight. To make the driver support either format, ignore bit 1
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* and use only bit 0 and bit 2.
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*/
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printf("%08lx - %08lx: %08lx blocks %s%s%s\n",
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start,
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end - 1,
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(end - start) / erasesize,
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((status & NAND_LOCK_STATUS_TIGHT) ? "TIGHT " : ""),
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(!(status & NAND_LOCK_STATUS_UNLOCK) ? "LOCK " : ""),
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((status & NAND_LOCK_STATUS_UNLOCK) ? "UNLOCK " : ""));
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}
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static void do_nand_status(nand_info_t *nand)
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{
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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->erasesize) {
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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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if (s != last_status && off != 0) {
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print_status(block_start, off, nand->erasesize,
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last_status);
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block_start = off;
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}
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last_status = s;
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}
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/* Print the last block info */
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print_status(block_start, off, nand->erasesize, last_status);
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}
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#endif
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#ifdef CONFIG_ENV_OFFSET_OOB
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unsigned long nand_env_oob_offset;
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int do_nand_env_oob(cmd_tbl_t *cmdtp, int argc, char *const argv[])
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{
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int ret;
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uint32_t oob_buf[ENV_OFFSET_SIZE/sizeof(uint32_t)];
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nand_info_t *nand = &nand_info[0];
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char *cmd = argv[1];
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if (CONFIG_SYS_MAX_NAND_DEVICE == 0 || !nand->name) {
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puts("no devices available\n");
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return 1;
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}
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set_dev(0);
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if (!strcmp(cmd, "get")) {
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ret = get_nand_env_oob(nand, &nand_env_oob_offset);
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if (ret)
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return 1;
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printf("0x%08lx\n", nand_env_oob_offset);
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} else if (!strcmp(cmd, "set")) {
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loff_t addr;
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loff_t maxsize;
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struct mtd_oob_ops ops;
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int idx = 0;
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if (argc < 3)
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goto usage;
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/* We don't care about size, or maxsize. */
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if (mtd_arg_off(argv[2], &idx, &addr, &maxsize, &maxsize,
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MTD_DEV_TYPE_NAND, nand_info[idx].size)) {
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puts("Offset or partition name expected\n");
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return 1;
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}
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if (set_dev(idx)) {
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puts("Offset or partition name expected\n");
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return 1;
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}
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if (idx != 0) {
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puts("Partition not on first NAND device\n");
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return 1;
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}
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if (nand->oobavail < ENV_OFFSET_SIZE) {
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printf("Insufficient available OOB bytes:\n"
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"%d OOB bytes available but %d required for "
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"env.oob support\n",
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nand->oobavail, ENV_OFFSET_SIZE);
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return 1;
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}
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if ((addr & (nand->erasesize - 1)) != 0) {
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printf("Environment offset must be block-aligned\n");
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return 1;
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}
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ops.datbuf = NULL;
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ops.mode = MTD_OOB_AUTO;
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ops.ooboffs = 0;
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ops.ooblen = ENV_OFFSET_SIZE;
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ops.oobbuf = (void *) oob_buf;
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oob_buf[0] = ENV_OOB_MARKER;
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oob_buf[1] = addr / nand->erasesize;
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ret = nand->write_oob(nand, ENV_OFFSET_SIZE, &ops);
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if (ret) {
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printf("Error writing OOB block 0\n");
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return ret;
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}
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ret = get_nand_env_oob(nand, &nand_env_oob_offset);
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if (ret) {
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printf("Error reading env offset in OOB\n");
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return ret;
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}
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if (addr != nand_env_oob_offset) {
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printf("Verification of env offset in OOB failed: "
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"0x%08llx expected but got 0x%08lx\n",
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(unsigned long long)addr, nand_env_oob_offset);
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return 1;
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}
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} else {
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goto usage;
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}
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return ret;
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usage:
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return CMD_RET_USAGE;
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}
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#endif
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static void nand_print_and_set_info(int idx)
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{
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nand_info_t *nand = &nand_info[idx];
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struct nand_chip *chip = nand->priv;
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printf("Device %d: ", idx);
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if (chip->numchips > 1)
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printf("%dx ", chip->numchips);
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printf("%s, sector size %u KiB\n",
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nand->name, nand->erasesize >> 10);
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printf(" Page size %8d b\n", nand->writesize);
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printf(" OOB size %8d b\n", nand->oobsize);
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printf(" Erase size %8d b\n", nand->erasesize);
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printf(" subpagesize %8d b\n", chip->subpagesize);
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printf(" options 0x%8x\n", chip->options);
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printf(" bbt options 0x%8x\n", chip->bbt_options);
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/* Set geometry info */
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setenv_hex("nand_writesize", nand->writesize);
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setenv_hex("nand_oobsize", nand->oobsize);
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setenv_hex("nand_erasesize", nand->erasesize);
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}
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static int raw_access(nand_info_t *nand, ulong addr, loff_t off, ulong count,
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int read)
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{
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int ret = 0;
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while (count--) {
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/* Raw access */
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mtd_oob_ops_t ops = {
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.datbuf = (u8 *)addr,
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.oobbuf = ((u8 *)addr) + nand->writesize,
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.len = nand->writesize,
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.ooblen = nand->oobsize,
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.mode = MTD_OPS_RAW
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};
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if (read) {
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ret = mtd_read_oob(nand, off, &ops);
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} else {
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ret = mtd_write_oob(nand, off, &ops);
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if (!ret)
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ret = nand_verify_page_oob(nand, &ops, off);
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}
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if (ret) {
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printf("%s: error at offset %llx, ret %d\n",
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__func__, (long long)off, ret);
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break;
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}
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addr += nand->writesize + nand->oobsize;
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off += nand->writesize;
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}
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return ret;
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}
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/* Adjust a chip/partition size down for bad blocks so we don't
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* read/write past the end of a chip/partition by accident.
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*/
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static void adjust_size_for_badblocks(loff_t *size, loff_t offset, int dev)
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{
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/* We grab the nand info object here fresh because this is usually
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* called after arg_off_size() which can change the value of dev.
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*/
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nand_info_t *nand = &nand_info[dev];
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loff_t maxoffset = offset + *size;
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int badblocks = 0;
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/* count badblocks in NAND from offset to offset + size */
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for (; offset < maxoffset; offset += nand->erasesize) {
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if (nand_block_isbad(nand, offset))
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badblocks++;
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}
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/* adjust size if any bad blocks found */
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if (badblocks) {
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*size -= badblocks * nand->erasesize;
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printf("size adjusted to 0x%llx (%d bad blocks)\n",
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(unsigned long long)*size, badblocks);
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}
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}
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static int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int i, ret = 0;
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ulong addr;
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loff_t off, size, maxsize;
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char *cmd, *s;
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nand_info_t *nand;
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#ifdef CONFIG_SYS_NAND_QUIET
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int quiet = CONFIG_SYS_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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int dev = nand_curr_device;
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int repeat = flag & CMD_FLAG_REPEAT;
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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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/* Only "dump" is repeatable. */
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if (repeat && strcmp(cmd, "dump"))
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return 0;
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if (strcmp(cmd, "info") == 0) {
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putc('\n');
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for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) {
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if (nand_info[i].name)
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nand_print_and_set_info(i);
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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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putc('\n');
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if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE)
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puts("no devices available\n");
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else
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nand_print_and_set_info(dev);
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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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set_dev(dev);
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return 0;
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}
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#ifdef CONFIG_ENV_OFFSET_OOB
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/* this command operates only on the first nand device */
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if (strcmp(cmd, "env.oob") == 0)
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return do_nand_env_oob(cmdtp, argc - 1, argv + 1);
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#endif
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/* The following commands operate on the current device, unless
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* overridden by a partition specifier. Note that if somehow the
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* current device is invalid, it will have to be changed to a valid
|
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* one before these commands can run, even if a partition specifier
|
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* for another device is to be used.
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*/
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if (dev < 0 || dev >= CONFIG_SYS_MAX_NAND_DEVICE ||
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!nand_info[dev].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[dev];
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if (strcmp(cmd, "bad") == 0) {
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printf("\nDevice %d bad blocks:\n", dev);
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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(" %08llx\n", (unsigned long long)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 (strncmp(cmd, "erase", 5) == 0 || strncmp(cmd, "scrub", 5) == 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 scrub_yes = argc > 2 && !strcmp("-y", argv[2]);
|
||||
int o = (clean || scrub_yes) ? 3 : 2;
|
||||
int scrub = !strncmp(cmd, "scrub", 5);
|
||||
int spread = 0;
|
||||
int args = 2;
|
||||
const char *scrub_warn =
|
||||
"Warning: "
|
||||
"scrub option will erase all factory set bad blocks!\n"
|
||||
" "
|
||||
"There is no reliable way to recover them.\n"
|
||||
" "
|
||||
"Use this command only for testing purposes if you\n"
|
||||
" "
|
||||
"are sure of what you are doing!\n"
|
||||
"\nReally scrub this NAND flash? <y/N>\n";
|
||||
|
||||
if (cmd[5] != 0) {
|
||||
if (!strcmp(&cmd[5], ".spread")) {
|
||||
spread = 1;
|
||||
} else if (!strcmp(&cmd[5], ".part")) {
|
||||
args = 1;
|
||||
} else if (!strcmp(&cmd[5], ".chip")) {
|
||||
args = 0;
|
||||
} else {
|
||||
goto usage;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Don't allow missing arguments to cause full chip/partition
|
||||
* erases -- easy to do accidentally, e.g. with a misspelled
|
||||
* variable name.
|
||||
*/
|
||||
if (argc != o + args)
|
||||
goto usage;
|
||||
|
||||
printf("\nNAND %s: ", cmd);
|
||||
/* skip first two or three arguments, look for offset and size */
|
||||
if (mtd_arg_off_size(argc - o, argv + o, &dev, &off, &size,
|
||||
&maxsize, MTD_DEV_TYPE_NAND,
|
||||
nand_info[dev].size) != 0)
|
||||
return 1;
|
||||
|
||||
if (set_dev(dev))
|
||||
return 1;
|
||||
|
||||
nand = &nand_info[dev];
|
||||
|
||||
memset(&opts, 0, sizeof(opts));
|
||||
opts.offset = off;
|
||||
opts.length = size;
|
||||
opts.jffs2 = clean;
|
||||
opts.quiet = quiet;
|
||||
opts.spread = spread;
|
||||
|
||||
if (scrub) {
|
||||
if (scrub_yes) {
|
||||
opts.scrub = 1;
|
||||
} else {
|
||||
puts(scrub_warn);
|
||||
if (confirm_yesno()) {
|
||||
opts.scrub = 1;
|
||||
} else {
|
||||
puts("scrub aborted\n");
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
ret = nand_erase_opts(nand, &opts);
|
||||
printf("%s\n", ret ? "ERROR" : "OK");
|
||||
|
||||
return ret == 0 ? 0 : 1;
|
||||
}
|
||||
|
||||
if (strncmp(cmd, "dump", 4) == 0) {
|
||||
if (argc < 3)
|
||||
goto usage;
|
||||
|
||||
off = (int)simple_strtoul(argv[2], NULL, 16);
|
||||
ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat);
|
||||
|
||||
return ret == 0 ? 1 : 0;
|
||||
}
|
||||
|
||||
if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {
|
||||
size_t rwsize;
|
||||
ulong pagecount = 1;
|
||||
int read;
|
||||
int raw = 0;
|
||||
|
||||
if (argc < 4)
|
||||
goto usage;
|
||||
|
||||
addr = (ulong)simple_strtoul(argv[2], NULL, 16);
|
||||
|
||||
read = strncmp(cmd, "read", 4) == 0; /* 1 = read, 0 = write */
|
||||
printf("\nNAND %s: ", read ? "read" : "write");
|
||||
|
||||
s = strchr(cmd, '.');
|
||||
|
||||
if (s && !strcmp(s, ".raw")) {
|
||||
raw = 1;
|
||||
|
||||
if (mtd_arg_off(argv[3], &dev, &off, &size, &maxsize,
|
||||
MTD_DEV_TYPE_NAND,
|
||||
nand_info[dev].size))
|
||||
return 1;
|
||||
|
||||
if (set_dev(dev))
|
||||
return 1;
|
||||
|
||||
nand = &nand_info[dev];
|
||||
|
||||
if (argc > 4 && !str2long(argv[4], &pagecount)) {
|
||||
printf("'%s' is not a number\n", argv[4]);
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (pagecount * nand->writesize > size) {
|
||||
puts("Size exceeds partition or device limit\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
rwsize = pagecount * (nand->writesize + nand->oobsize);
|
||||
} else {
|
||||
if (mtd_arg_off_size(argc - 3, argv + 3, &dev, &off,
|
||||
&size, &maxsize,
|
||||
MTD_DEV_TYPE_NAND,
|
||||
nand_info[dev].size) != 0)
|
||||
return 1;
|
||||
|
||||
if (set_dev(dev))
|
||||
return 1;
|
||||
|
||||
/* size is unspecified */
|
||||
if (argc < 5)
|
||||
adjust_size_for_badblocks(&size, off, dev);
|
||||
rwsize = size;
|
||||
}
|
||||
|
||||
nand = &nand_info[dev];
|
||||
|
||||
if (!s || !strcmp(s, ".jffs2") ||
|
||||
!strcmp(s, ".e") || !strcmp(s, ".i")) {
|
||||
if (read)
|
||||
ret = nand_read_skip_bad(nand, off, &rwsize,
|
||||
NULL, maxsize,
|
||||
(u_char *)addr);
|
||||
else
|
||||
ret = nand_write_skip_bad(nand, off, &rwsize,
|
||||
NULL, maxsize,
|
||||
(u_char *)addr,
|
||||
WITH_WR_VERIFY);
|
||||
#ifdef CONFIG_CMD_NAND_TRIMFFS
|
||||
} else if (!strcmp(s, ".trimffs")) {
|
||||
if (read) {
|
||||
printf("Unknown nand command suffix '%s'\n", s);
|
||||
return 1;
|
||||
}
|
||||
ret = nand_write_skip_bad(nand, off, &rwsize, NULL,
|
||||
maxsize, (u_char *)addr,
|
||||
WITH_DROP_FFS | WITH_WR_VERIFY);
|
||||
#endif
|
||||
} else if (!strcmp(s, ".oob")) {
|
||||
/* out-of-band data */
|
||||
mtd_oob_ops_t ops = {
|
||||
.oobbuf = (u8 *)addr,
|
||||
.ooblen = rwsize,
|
||||
.mode = MTD_OPS_RAW
|
||||
};
|
||||
|
||||
if (read)
|
||||
ret = mtd_read_oob(nand, off, &ops);
|
||||
else
|
||||
ret = mtd_write_oob(nand, off, &ops);
|
||||
} else if (raw) {
|
||||
ret = raw_access(nand, addr, off, pagecount, read);
|
||||
} else {
|
||||
printf("Unknown nand command suffix '%s'.\n", s);
|
||||
return 1;
|
||||
}
|
||||
|
||||
printf(" %zu bytes %s: %s\n", rwsize,
|
||||
read ? "read" : "written", ret ? "ERROR" : "OK");
|
||||
|
||||
return ret == 0 ? 0 : 1;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CMD_NAND_TORTURE
|
||||
if (strcmp(cmd, "torture") == 0) {
|
||||
if (argc < 3)
|
||||
goto usage;
|
||||
|
||||
if (!str2off(argv[2], &off)) {
|
||||
puts("Offset is not a valid number\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
printf("\nNAND torture: device %d offset 0x%llx size 0x%x\n",
|
||||
dev, off, nand->erasesize);
|
||||
ret = nand_torture(nand, off);
|
||||
printf(" %s\n", ret ? "Failed" : "Passed");
|
||||
|
||||
return ret == 0 ? 0 : 1;
|
||||
}
|
||||
#endif
|
||||
|
||||
if (strcmp(cmd, "markbad") == 0) {
|
||||
argc -= 2;
|
||||
argv += 2;
|
||||
|
||||
if (argc <= 0)
|
||||
goto usage;
|
||||
|
||||
while (argc > 0) {
|
||||
addr = simple_strtoul(*argv, NULL, 16);
|
||||
|
||||
if (mtd_block_markbad(nand, addr)) {
|
||||
printf("block 0x%08lx NOT marked "
|
||||
"as bad! ERROR %d\n",
|
||||
addr, ret);
|
||||
ret = 1;
|
||||
} else {
|
||||
printf("block 0x%08lx successfully "
|
||||
"marked as bad\n",
|
||||
addr);
|
||||
}
|
||||
--argc;
|
||||
++argv;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
if (strcmp(cmd, "biterr") == 0) {
|
||||
/* todo */
|
||||
return 1;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
|
||||
if (strcmp(cmd, "lock") == 0) {
|
||||
int tight = 0;
|
||||
int status = 0;
|
||||
if (argc == 3) {
|
||||
if (!strcmp("tight", argv[2]))
|
||||
tight = 1;
|
||||
if (!strcmp("status", argv[2]))
|
||||
status = 1;
|
||||
}
|
||||
if (status) {
|
||||
do_nand_status(nand);
|
||||
} else {
|
||||
if (!nand_lock(nand, tight)) {
|
||||
puts("NAND flash successfully locked\n");
|
||||
} else {
|
||||
puts("Error locking NAND flash\n");
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (strncmp(cmd, "unlock", 5) == 0) {
|
||||
int allexcept = 0;
|
||||
|
||||
s = strchr(cmd, '.');
|
||||
|
||||
if (s && !strcmp(s, ".allexcept"))
|
||||
allexcept = 1;
|
||||
|
||||
if (mtd_arg_off_size(argc - 2, argv + 2, &dev, &off, &size,
|
||||
&maxsize, MTD_DEV_TYPE_NAND,
|
||||
nand_info[dev].size) < 0)
|
||||
return 1;
|
||||
|
||||
if (set_dev(dev))
|
||||
return 1;
|
||||
|
||||
if (!nand_unlock(&nand_info[dev], off, size, allexcept)) {
|
||||
puts("NAND flash successfully unlocked\n");
|
||||
} else {
|
||||
puts("Error unlocking NAND flash, "
|
||||
"write and erase will probably fail\n");
|
||||
return 1;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
usage:
|
||||
return CMD_RET_USAGE;
|
||||
}
|
||||
|
||||
#ifdef CONFIG_SYS_LONGHELP
|
||||
static char nand_help_text[] =
|
||||
"info - show available NAND devices\n"
|
||||
"nand device [dev] - show or set current device\n"
|
||||
"nand read - addr off|partition size\n"
|
||||
"nand write - addr off|partition size\n"
|
||||
" read/write 'size' bytes starting at offset 'off'\n"
|
||||
" to/from memory address 'addr', skipping bad blocks.\n"
|
||||
"nand read.raw - addr off|partition [count]\n"
|
||||
"nand write.raw - addr off|partition [count]\n"
|
||||
" Use read.raw/write.raw to avoid ECC and access the flash as-is.\n"
|
||||
#ifdef CONFIG_CMD_NAND_TRIMFFS
|
||||
"nand write.trimffs - addr off|partition size\n"
|
||||
" write 'size' bytes starting at offset 'off' from memory address\n"
|
||||
" 'addr', skipping bad blocks and dropping any pages at the end\n"
|
||||
" of eraseblocks that contain only 0xFF\n"
|
||||
#endif
|
||||
"nand erase[.spread] [clean] off size - erase 'size' bytes "
|
||||
"from offset 'off'\n"
|
||||
" With '.spread', erase enough for given file size, otherwise,\n"
|
||||
" 'size' includes skipped bad blocks.\n"
|
||||
"nand erase.part [clean] partition - erase entire mtd partition'\n"
|
||||
"nand erase.chip [clean] - erase entire chip'\n"
|
||||
"nand bad - show bad blocks\n"
|
||||
"nand dump[.oob] off - dump page\n"
|
||||
#ifdef CONFIG_CMD_NAND_TORTURE
|
||||
"nand torture off - torture block at offset\n"
|
||||
#endif
|
||||
"nand scrub [-y] off size | scrub.part partition | scrub.chip\n"
|
||||
" really clean NAND erasing bad blocks (UNSAFE)\n"
|
||||
"nand markbad off [...] - mark bad block(s) at offset (UNSAFE)\n"
|
||||
"nand biterr off - make a bit error at offset (UNSAFE)"
|
||||
#ifdef CONFIG_CMD_NAND_LOCK_UNLOCK
|
||||
"\n"
|
||||
"nand lock [tight] [status]\n"
|
||||
" bring nand to lock state or display locked pages\n"
|
||||
"nand unlock[.allexcept] [offset] [size] - unlock section"
|
||||
#endif
|
||||
#ifdef CONFIG_ENV_OFFSET_OOB
|
||||
"\n"
|
||||
"nand env.oob - environment offset in OOB of block 0 of"
|
||||
" first device.\n"
|
||||
"nand env.oob set off|partition - set enviromnent offset\n"
|
||||
"nand env.oob get - get environment offset"
|
||||
#endif
|
||||
"";
|
||||
#endif
|
||||
|
||||
U_BOOT_CMD(
|
||||
nand, CONFIG_SYS_MAXARGS, 1, do_nand,
|
||||
"NAND sub-system", nand_help_text
|
||||
);
|
||||
|
||||
static int nand_load_image(cmd_tbl_t *cmdtp, nand_info_t *nand,
|
||||
ulong offset, ulong addr, char *cmd)
|
||||
{
|
||||
int r;
|
||||
char *s;
|
||||
size_t cnt;
|
||||
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
|
||||
image_header_t *hdr;
|
||||
#endif
|
||||
#if defined(CONFIG_FIT)
|
||||
const void *fit_hdr = NULL;
|
||||
#endif
|
||||
|
||||
s = strchr(cmd, '.');
|
||||
if (s != NULL &&
|
||||
(strcmp(s, ".jffs2") && strcmp(s, ".e") && strcmp(s, ".i"))) {
|
||||
printf("Unknown nand load suffix '%s'\n", s);
|
||||
bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
|
||||
return 1;
|
||||
}
|
||||
|
||||
printf("\nLoading from %s, offset 0x%lx\n", nand->name, offset);
|
||||
|
||||
cnt = nand->writesize;
|
||||
r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size,
|
||||
(u_char *)addr);
|
||||
if (r) {
|
||||
puts("** Read error\n");
|
||||
bootstage_error(BOOTSTAGE_ID_NAND_HDR_READ);
|
||||
return 1;
|
||||
}
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_HDR_READ);
|
||||
|
||||
switch (genimg_get_format ((void *)addr)) {
|
||||
#if defined(CONFIG_IMAGE_FORMAT_LEGACY)
|
||||
case IMAGE_FORMAT_LEGACY:
|
||||
hdr = (image_header_t *)addr;
|
||||
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
|
||||
image_print_contents (hdr);
|
||||
|
||||
cnt = image_get_image_size (hdr);
|
||||
break;
|
||||
#endif
|
||||
#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:
|
||||
bootstage_error(BOOTSTAGE_ID_NAND_TYPE);
|
||||
puts ("** Unknown image type\n");
|
||||
return 1;
|
||||
}
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_TYPE);
|
||||
|
||||
r = nand_read_skip_bad(nand, offset, &cnt, NULL, nand->size,
|
||||
(u_char *)addr);
|
||||
if (r) {
|
||||
puts("** Read error\n");
|
||||
bootstage_error(BOOTSTAGE_ID_NAND_READ);
|
||||
return 1;
|
||||
}
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_READ);
|
||||
|
||||
#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)) {
|
||||
bootstage_error(BOOTSTAGE_ID_NAND_FIT_READ);
|
||||
puts ("** Bad FIT image format\n");
|
||||
return 1;
|
||||
}
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_FIT_READ_OK);
|
||||
fit_print_contents (fit_hdr);
|
||||
}
|
||||
#endif
|
||||
|
||||
/* Loading ok, update default load address */
|
||||
|
||||
load_addr = addr;
|
||||
|
||||
return bootm_maybe_autostart(cmdtp, cmd);
|
||||
}
|
||||
|
||||
static int do_nandboot(cmd_tbl_t *cmdtp, int flag, int argc,
|
||||
char * const argv[])
|
||||
{
|
||||
char *boot_device = NULL;
|
||||
int idx;
|
||||
ulong addr, offset = 0;
|
||||
#if defined(CONFIG_CMD_MTDPARTS)
|
||||
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 = CONFIG_SYS_LOAD_ADDR;
|
||||
return nand_load_image(cmdtp, &nand_info[dev->id->num],
|
||||
part->offset, addr, argv[0]);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_PART);
|
||||
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:
|
||||
#if defined(CONFIG_CMD_MTDPARTS)
|
||||
usage:
|
||||
#endif
|
||||
bootstage_error(BOOTSTAGE_ID_NAND_SUFFIX);
|
||||
return CMD_RET_USAGE;
|
||||
}
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_SUFFIX);
|
||||
|
||||
if (!boot_device) {
|
||||
puts("\n** No boot device **\n");
|
||||
bootstage_error(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
|
||||
return 1;
|
||||
}
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_BOOT_DEVICE);
|
||||
|
||||
idx = simple_strtoul(boot_device, NULL, 16);
|
||||
|
||||
if (idx < 0 || idx >= CONFIG_SYS_MAX_NAND_DEVICE || !nand_info[idx].name) {
|
||||
printf("\n** Device %d not available\n", idx);
|
||||
bootstage_error(BOOTSTAGE_ID_NAND_AVAILABLE);
|
||||
return 1;
|
||||
}
|
||||
bootstage_mark(BOOTSTAGE_ID_NAND_AVAILABLE);
|
||||
|
||||
return nand_load_image(cmdtp, &nand_info[idx], offset, addr, argv[0]);
|
||||
}
|
||||
|
||||
U_BOOT_CMD(nboot, 4, 1, do_nandboot,
|
||||
"boot from NAND device",
|
||||
"[partition] | [[[loadAddr] dev] offset]"
|
||||
);
|
||||
Loading…
Add table
Add a link
Reference in a new issue