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-rw-r--r--common/cmd_onenand.c595
1 files changed, 0 insertions, 595 deletions
diff --git a/common/cmd_onenand.c b/common/cmd_onenand.c
deleted file mode 100644
index feab01a..0000000
--- a/common/cmd_onenand.c
+++ /dev/null
@@ -1,595 +0,0 @@
-/*
- * U-Boot command for OneNAND support
- *
- * Copyright (C) 2005-2008 Samsung Electronics
- * Kyungmin Park <kyungmin.park@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <common.h>
-#include <command.h>
-#include <malloc.h>
-
-#include <linux/compat.h>
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/onenand.h>
-
-#include <asm/io.h>
-
-static struct mtd_info *mtd;
-
-static loff_t next_ofs;
-static loff_t skip_ofs;
-
-static int arg_off_size_onenand(int argc, char * const argv[], ulong *off,
- size_t *size)
-{
- if (argc >= 1) {
- if (!(str2long(argv[0], off))) {
- printf("'%s' is not a number\n", argv[0]);
- return -1;
- }
- } else {
- *off = 0;
- }
-
- if (argc >= 2) {
- if (!(str2long(argv[1], (ulong *)size))) {
- printf("'%s' is not a number\n", argv[1]);
- return -1;
- }
- } else {
- *size = mtd->size - *off;
- }
-
- if ((*off + *size) > mtd->size) {
- printf("total chip size (0x%llx) exceeded!\n", mtd->size);
- return -1;
- }
-
- if (*size == mtd->size)
- puts("whole chip\n");
- else
- printf("offset 0x%lx, size 0x%x\n", *off, *size);
-
- return 0;
-}
-
-static int onenand_block_read(loff_t from, size_t len,
- size_t *retlen, u_char *buf, int oob)
-{
- struct onenand_chip *this = mtd->priv;
- int blocks = (int) len >> this->erase_shift;
- int blocksize = (1 << this->erase_shift);
- loff_t ofs = from;
- struct mtd_oob_ops ops = {
- .retlen = 0,
- };
- int ret;
-
- if (oob)
- ops.ooblen = blocksize;
- else
- ops.len = blocksize;
-
- while (blocks) {
- ret = mtd_block_isbad(mtd, ofs);
- if (ret) {
- printk("Bad blocks %d at 0x%x\n",
- (u32)(ofs >> this->erase_shift), (u32)ofs);
- ofs += blocksize;
- continue;
- }
-
- if (oob)
- ops.oobbuf = buf;
- else
- ops.datbuf = buf;
-
- ops.retlen = 0;
- ret = mtd_read_oob(mtd, ofs, &ops);
- if (ret) {
- printk("Read failed 0x%x, %d\n", (u32)ofs, ret);
- ofs += blocksize;
- continue;
- }
- ofs += blocksize;
- buf += blocksize;
- blocks--;
- *retlen += ops.retlen;
- }
-
- return 0;
-}
-
-static int onenand_write_oneblock_withoob(loff_t to, const u_char * buf,
- size_t *retlen)
-{
- struct mtd_oob_ops ops = {
- .len = mtd->writesize,
- .ooblen = mtd->oobsize,
- .mode = MTD_OPS_AUTO_OOB,
- };
- int page, ret = 0;
- for (page = 0; page < (mtd->erasesize / mtd->writesize); page ++) {
- ops.datbuf = (u_char *)buf;
- buf += mtd->writesize;
- ops.oobbuf = (u_char *)buf;
- buf += mtd->oobsize;
- ret = mtd_write_oob(mtd, to, &ops);
- if (ret)
- break;
- to += mtd->writesize;
- }
-
- *retlen = (ret) ? 0 : mtd->erasesize;
- return ret;
-}
-
-static int onenand_block_write(loff_t to, size_t len,
- size_t *retlen, const u_char * buf, int withoob)
-{
- struct onenand_chip *this = mtd->priv;
- int blocks = len >> this->erase_shift;
- int blocksize = (1 << this->erase_shift);
- loff_t ofs;
- size_t _retlen = 0;
- int ret;
-
- if (to == next_ofs) {
- next_ofs = to + len;
- to += skip_ofs;
- } else {
- next_ofs = to + len;
- skip_ofs = 0;
- }
- ofs = to;
-
- while (blocks) {
- ret = mtd_block_isbad(mtd, ofs);
- if (ret) {
- printk("Bad blocks %d at 0x%x\n",
- (u32)(ofs >> this->erase_shift), (u32)ofs);
- skip_ofs += blocksize;
- goto next;
- }
-
- if (!withoob)
- ret = mtd_write(mtd, ofs, blocksize, &_retlen, buf);
- else
- ret = onenand_write_oneblock_withoob(ofs, buf, &_retlen);
- if (ret) {
- printk("Write failed 0x%x, %d", (u32)ofs, ret);
- skip_ofs += blocksize;
- goto next;
- }
-
- buf += blocksize;
- blocks--;
- *retlen += _retlen;
-next:
- ofs += blocksize;
- }
-
- return 0;
-}
-
-static int onenand_block_erase(u32 start, u32 size, int force)
-{
- struct onenand_chip *this = mtd->priv;
- struct erase_info instr = {
- .callback = NULL,
- };
- loff_t ofs;
- int ret;
- int blocksize = 1 << this->erase_shift;
-
- for (ofs = start; ofs < (start + size); ofs += blocksize) {
- ret = mtd_block_isbad(mtd, ofs);
- if (ret && !force) {
- printf("Skip erase bad block %d at 0x%x\n",
- (u32)(ofs >> this->erase_shift), (u32)ofs);
- continue;
- }
-
- instr.addr = ofs;
- instr.len = blocksize;
- instr.priv = force;
- instr.mtd = mtd;
- ret = mtd_erase(mtd, &instr);
- if (ret) {
- printf("erase failed block %d at 0x%x\n",
- (u32)(ofs >> this->erase_shift), (u32)ofs);
- continue;
- }
- }
-
- return 0;
-}
-
-static int onenand_block_test(u32 start, u32 size)
-{
- struct onenand_chip *this = mtd->priv;
- struct erase_info instr = {
- .callback = NULL,
- .priv = 0,
- };
-
- int blocks;
- loff_t ofs;
- int blocksize = 1 << this->erase_shift;
- int start_block, end_block;
- size_t retlen;
- u_char *buf;
- u_char *verify_buf;
- int ret;
-
- buf = malloc(blocksize);
- if (!buf) {
- printf("Not enough malloc space available!\n");
- return -1;
- }
-
- verify_buf = malloc(blocksize);
- if (!verify_buf) {
- printf("Not enough malloc space available!\n");
- return -1;
- }
-
- start_block = start >> this->erase_shift;
- end_block = (start + size) >> this->erase_shift;
-
- /* Protect boot-loader from badblock testing */
- if (start_block < 2)
- start_block = 2;
-
- if (end_block > (mtd->size >> this->erase_shift))
- end_block = mtd->size >> this->erase_shift;
-
- blocks = start_block;
- ofs = start;
- while (blocks < end_block) {
- printf("\rTesting block %d at 0x%x", (u32)(ofs >> this->erase_shift), (u32)ofs);
-
- ret = mtd_block_isbad(mtd, ofs);
- if (ret) {
- printf("Skip erase bad block %d at 0x%x\n",
- (u32)(ofs >> this->erase_shift), (u32)ofs);
- goto next;
- }
-
- instr.addr = ofs;
- instr.len = blocksize;
- ret = mtd_erase(mtd, &instr);
- if (ret) {
- printk("Erase failed 0x%x, %d\n", (u32)ofs, ret);
- goto next;
- }
-
- ret = mtd_write(mtd, ofs, blocksize, &retlen, buf);
- if (ret) {
- printk("Write failed 0x%x, %d\n", (u32)ofs, ret);
- goto next;
- }
-
- ret = mtd_read(mtd, ofs, blocksize, &retlen, verify_buf);
- if (ret) {
- printk("Read failed 0x%x, %d\n", (u32)ofs, ret);
- goto next;
- }
-
- if (memcmp(buf, verify_buf, blocksize))
- printk("\nRead/Write test failed at 0x%x\n", (u32)ofs);
-
-next:
- ofs += blocksize;
- blocks++;
- }
- printf("...Done\n");
-
- free(buf);
- free(verify_buf);
-
- return 0;
-}
-
-static int onenand_dump(struct mtd_info *mtd, ulong off, int only_oob)
-{
- int i;
- u_char *datbuf, *oobbuf, *p;
- struct mtd_oob_ops ops;
- loff_t addr;
-
- datbuf = malloc(mtd->writesize + mtd->oobsize);
- oobbuf = malloc(mtd->oobsize);
- if (!datbuf || !oobbuf) {
- puts("No memory for page buffer\n");
- return 1;
- }
- off &= ~(mtd->writesize - 1);
- addr = (loff_t) off;
- memset(&ops, 0, sizeof(ops));
- ops.datbuf = datbuf;
- ops.oobbuf = oobbuf;
- ops.len = mtd->writesize;
- ops.ooblen = mtd->oobsize;
- ops.retlen = 0;
- i = mtd_read_oob(mtd, addr, &ops);
- if (i < 0) {
- printf("Error (%d) reading page %08lx\n", i, off);
- free(datbuf);
- free(oobbuf);
- return 1;
- }
- printf("Page %08lx dump:\n", off);
- i = mtd->writesize >> 4;
- p = datbuf;
-
- while (i--) {
- if (!only_oob)
- printf("\t%02x %02x %02x %02x %02x %02x %02x %02x"
- " %02x %02x %02x %02x %02x %02x %02x %02x\n",
- p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7],
- p[8], p[9], p[10], p[11], p[12], p[13], p[14],
- p[15]);
- p += 16;
- }
- puts("OOB:\n");
- i = mtd->oobsize >> 3;
- p = oobbuf;
-
- while (i--) {
- printf("\t%02x %02x %02x %02x %02x %02x %02x %02x\n",
- p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7]);
- p += 8;
- }
- free(datbuf);
- free(oobbuf);
-
- return 0;
-}
-
-static int do_onenand_info(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- printf("%s\n", mtd->name);
- return 0;
-}
-
-static int do_onenand_bad(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- ulong ofs;
-
- mtd = &onenand_mtd;
- /* Currently only one OneNAND device is supported */
- printf("\nDevice %d bad blocks:\n", 0);
- for (ofs = 0; ofs < mtd->size; ofs += mtd->erasesize) {
- if (mtd_block_isbad(mtd, ofs))
- printf(" %08x\n", (u32)ofs);
- }
-
- return 0;
-}
-
-static int do_onenand_read(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- char *s;
- int oob = 0;
- ulong addr, ofs;
- size_t len;
- int ret = 0;
- size_t retlen = 0;
-
- if (argc < 3)
- return CMD_RET_USAGE;
-
- s = strchr(argv[0], '.');
- if ((s != NULL) && (!strcmp(s, ".oob")))
- oob = 1;
-
- addr = (ulong)simple_strtoul(argv[1], NULL, 16);
-
- printf("\nOneNAND read: ");
- if (arg_off_size_onenand(argc - 2, argv + 2, &ofs, &len) != 0)
- return 1;
-
- ret = onenand_block_read(ofs, len, &retlen, (u8 *)addr, oob);
-
- printf(" %d bytes read: %s\n", retlen, ret ? "ERROR" : "OK");
-
- return ret == 0 ? 0 : 1;
-}
-
-static int do_onenand_write(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- ulong addr, ofs;
- size_t len;
- int ret = 0, withoob = 0;
- size_t retlen = 0;
-
- if (argc < 3)
- return CMD_RET_USAGE;
-
- if (strncmp(argv[0] + 6, "yaffs", 5) == 0)
- withoob = 1;
-
- addr = (ulong)simple_strtoul(argv[1], NULL, 16);
-
- printf("\nOneNAND write: ");
- if (arg_off_size_onenand(argc - 2, argv + 2, &ofs, &len) != 0)
- return 1;
-
- ret = onenand_block_write(ofs, len, &retlen, (u8 *)addr, withoob);
-
- printf(" %d bytes written: %s\n", retlen, ret ? "ERROR" : "OK");
-
- return ret == 0 ? 0 : 1;
-}
-
-static int do_onenand_erase(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- ulong ofs;
- int ret = 0;
- size_t len;
- int force;
-
- /*
- * Syntax is:
- * 0 1 2 3 4
- * onenand erase [force] [off size]
- */
- argc--;
- argv++;
- if (argc)
- {
- if (!strcmp("force", argv[0]))
- {
- force = 1;
- argc--;
- argv++;
- }
- }
- printf("\nOneNAND erase: ");
-
- /* skip first two or three arguments, look for offset and size */
- if (arg_off_size_onenand(argc, argv, &ofs, &len) != 0)
- return 1;
-
- ret = onenand_block_erase(ofs, len, force);
-
- printf("%s\n", ret ? "ERROR" : "OK");
-
- return ret == 0 ? 0 : 1;
-}
-
-static int do_onenand_test(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- ulong ofs;
- int ret = 0;
- size_t len;
-
- /*
- * Syntax is:
- * 0 1 2 3 4
- * onenand test [force] [off size]
- */
-
- printf("\nOneNAND test: ");
-
- /* skip first two or three arguments, look for offset and size */
- if (arg_off_size_onenand(argc - 1, argv + 1, &ofs, &len) != 0)
- return 1;
-
- ret = onenand_block_test(ofs, len);
-
- printf("%s\n", ret ? "ERROR" : "OK");
-
- return ret == 0 ? 0 : 1;
-}
-
-static int do_onenand_dump(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- ulong ofs;
- int ret = 0;
- char *s;
-
- if (argc < 2)
- return CMD_RET_USAGE;
-
- s = strchr(argv[0], '.');
- ofs = (int)simple_strtoul(argv[1], NULL, 16);
-
- if (s != NULL && strcmp(s, ".oob") == 0)
- ret = onenand_dump(mtd, ofs, 1);
- else
- ret = onenand_dump(mtd, ofs, 0);
-
- return ret == 0 ? 1 : 0;
-}
-
-static int do_onenand_markbad(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- int ret = 0;
- ulong addr;
-
- argc -= 2;
- argv += 2;
-
- if (argc <= 0)
- return CMD_RET_USAGE;
-
- while (argc > 0) {
- addr = simple_strtoul(*argv, NULL, 16);
-
- if (mtd_block_markbad(mtd, 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;
-}
-
-static cmd_tbl_t cmd_onenand_sub[] = {
- U_BOOT_CMD_MKENT(info, 1, 0, do_onenand_info, "", ""),
- U_BOOT_CMD_MKENT(bad, 1, 0, do_onenand_bad, "", ""),
- U_BOOT_CMD_MKENT(read, 4, 0, do_onenand_read, "", ""),
- U_BOOT_CMD_MKENT(write, 4, 0, do_onenand_write, "", ""),
- U_BOOT_CMD_MKENT(write.yaffs, 4, 0, do_onenand_write, "", ""),
- U_BOOT_CMD_MKENT(erase, 3, 0, do_onenand_erase, "", ""),
- U_BOOT_CMD_MKENT(test, 3, 0, do_onenand_test, "", ""),
- U_BOOT_CMD_MKENT(dump, 2, 0, do_onenand_dump, "", ""),
- U_BOOT_CMD_MKENT(markbad, CONFIG_SYS_MAXARGS, 0, do_onenand_markbad, "", ""),
-};
-
-#ifdef CONFIG_NEEDS_MANUAL_RELOC
-void onenand_reloc(void) {
- fixup_cmdtable(cmd_onenand_sub, ARRAY_SIZE(cmd_onenand_sub));
-}
-#endif
-
-static int do_onenand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
-{
- cmd_tbl_t *c;
-
- if (argc < 2)
- return CMD_RET_USAGE;
-
- mtd = &onenand_mtd;
-
- /* Strip off leading 'onenand' command argument */
- argc--;
- argv++;
-
- c = find_cmd_tbl(argv[0], &cmd_onenand_sub[0], ARRAY_SIZE(cmd_onenand_sub));
-
- if (c)
- return c->cmd(cmdtp, flag, argc, argv);
- else
- return CMD_RET_USAGE;
-}
-
-U_BOOT_CMD(
- onenand, CONFIG_SYS_MAXARGS, 1, do_onenand,
- "OneNAND sub-system",
- "info - show available OneNAND devices\n"
- "onenand bad - show bad blocks\n"
- "onenand read[.oob] addr off size\n"
- "onenand write[.yaffs] addr off size\n"
- " read/write 'size' bytes starting at offset 'off'\n"
- " to/from memory address 'addr', skipping bad blocks.\n"
- "onenand erase [force] [off size] - erase 'size' bytes from\n"
- "onenand test [off size] - test 'size' bytes from\n"
- " offset 'off' (entire device if not specified)\n"
- "onenand dump[.oob] off - dump page\n"
- "onenand markbad off [...] - mark bad block(s) at offset (UNSAFE)"
-);
generated by cgit v1.1 at 2024-11-10 21:44:19 +0000