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Merge the new NAND code (testing-NAND brach); see doc/README.nand

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Rewrite of NAND code based on what is in 2.6.12 Linux kernel
Patch by Ladislav Michl, 29 Jun 2005

[Merge with /home/tur/nand/u-boot]
This commit is contained in:
Wolfgang Denk
2006-03-06 11:25:22 +01:00
parent f1ee982506 addb2e1650
commit 4e3ccd2692
110 changed files with 12552 additions and 1786 deletions
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28
board/esd/common/auto_update.c
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@@ -23,10 +23,15 @@
*/
#include <common.h>
#ifndef CFG_NAND_LEGACY
#error CFG_NAND_LEGACY not defined in a file using the legacy NAND support!
#endif
#include <command.h>
#include <image.h>
#include <asm/byteorder.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/nand_legacy.h>
#include <fat.h>
#include "auto_update.h"
@@ -37,6 +42,9 @@
#error "must define CFG_CMD_FAT"
#endif
extern au_image_t au_image[];
extern int N_AU_IMAGES;
@@ -76,9 +84,9 @@ extern block_dev_desc_t *get_dev (char*, int);
#define NANDRW_JFFS2 0x02
#define NANDRW_JFFS2_SKIP 0x04
extern struct nand_chip nand_dev_desc[];
extern int nand_rw(struct nand_chip* nand, int cmd, size_t start, size_t len,
extern int nand_legacy_rw(struct nand_chip* nand, int cmd, size_t start, size_t len,
size_t * retlen, u_char * buf);
extern int nand_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean);
extern int nand_legacy_erase(struct nand_chip* nand, size_t ofs, size_t len, int clean);
#endif /* (CONFIG_COMMANDS & CFG_CMD_NAND) */
extern block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
@@ -259,9 +267,9 @@ int au_do_update(int i, long sz)
} else {
#if (CONFIG_COMMANDS & CFG_CMD_NAND)
printf("Updating NAND FLASH with image %s\n", au_image[i].name);
debug ("nand_erase(%lx, %lx);\n", start, end);
rc = nand_erase (nand_dev_desc, start, end - start + 1, 0);
debug ("nand_erase returned %x\n", rc);
debug ("nand_legacy_erase(%lx, %lx);\n", start, end);
rc = nand_legacy_erase (nand_dev_desc, start, end - start + 1, 0);
debug ("nand_legacy_erase returned %x\n", rc);
#endif
}
@@ -286,10 +294,10 @@ int au_do_update(int i, long sz)
rc = flash_write((char *)addr, start, nbytes);
} else {
#if (CONFIG_COMMANDS & CFG_CMD_NAND)
debug ("nand_rw(%p, %lx %x)\n", addr, start, nbytes);
rc = nand_rw(nand_dev_desc, NANDRW_WRITE | NANDRW_JFFS2,
debug ("nand_legacy_rw(%p, %lx %x)\n", addr, start, nbytes);
rc = nand_legacy_rw(nand_dev_desc, NANDRW_WRITE | NANDRW_JFFS2,
start, nbytes, (size_t *)&total, (uchar *)addr);
debug ("nand_rw: ret=%x total=%d nbytes=%d\n", rc, total, nbytes);
debug ("nand_legacy_rw: ret=%x total=%d nbytes=%d\n", rc, total, nbytes);
#endif
}
if (rc != 0) {
@@ -304,7 +312,7 @@ int au_do_update(int i, long sz)
rc = crc32 (0, (uchar *)(start + off), ntohl(hdr->ih_size));
} else {
#if (CONFIG_COMMANDS & CFG_CMD_NAND)
rc = nand_rw(nand_dev_desc, NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP,
rc = nand_legacy_rw(nand_dev_desc, NANDRW_READ | NANDRW_JFFS2 | NANDRW_JFFS2_SKIP,
start, nbytes, (size_t *)&total, (uchar *)addr);
rc = crc32 (0, (uchar *)(addr + off), ntohl(hdr->ih_size));
#endif