*/
#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"
#endif
extern int flash_sect_erase(ulong, ulong);
extern int flash_sect_protect (int, ulong, ulong);
-extern int flash_write (uchar *, ulong, ulong);
+extern int flash_write (char *, ulong, ulong);
/* change char* to void* to shutup the compiler */
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];
/* check the data CRC */
checksum = ntohl(hdr->ih_dcrc);
- if (crc32 (0, (char *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
+ if (crc32 (0, (uchar *)(LOAD_ADDR + sizeof(*hdr)), ntohl(hdr->ih_size))
!= checksum) {
printf ("Image %s bad data checksum\n", au_image[i].name);
return -1;
checksum = ntohl(hdr->ih_hcrc);
hdr->ih_hcrc = 0;
- if (crc32 (0, (char *)hdr, sizeof(*hdr)) != checksum) {
+ if (crc32 (0, (uchar *)hdr, sizeof(*hdr)) != checksum) {
printf ("Image %s bad header checksum\n", au_image[i].name);
return -1;
}
start = au_image[i].start;
end = au_image[i].start + au_image[i].size - 1;
+ /*
+ * do not update firmware when image is already in flash.
+ */
+ if (au_image[i].type == AU_FIRMWARE) {
+ char *orig = (char*)start;
+ char *new = (char *)((char *)hdr + sizeof(*hdr));
+ nbytes = ntohl(hdr->ih_size);
+
+ while(--nbytes) {
+ if (*orig++ != *new++) {
+ break;
+ }
+ }
+ if (!nbytes) {
+ printf("Skipping firmware update - images are identical\n");
+ break;
+ }
+ }
+
/* unprotect the address range */
/* this assumes that ONLY the firmware is protected! */
if (au_image[i].type == AU_FIRMWARE) {
} 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
}
*/
if (au_image[i].type != AU_NAND) {
debug ("flash_write(%p, %lx %x)\n", addr, start, nbytes);
- rc = flash_write(addr, start, nbytes);
+ 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,
- start, nbytes, &total, addr);
- debug ("nand_rw: ret=%x total=%d nbytes=%d\n", rc, total, nbytes);
+ 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_legacy_rw: ret=%x total=%d nbytes=%d\n", rc, total, nbytes);
#endif
}
if (rc != 0) {
* check the dcrc of the copy
*/
if (au_image[i].type != AU_NAND) {
- rc = crc32 (0, (char *)(start + off), ntohl(hdr->ih_size));
+ 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,
- start, nbytes, &total, addr);
- rc = crc32 (0, (char *)(addr + off), ntohl(hdr->ih_size));
+ 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
}
if (rc != ntohl(hdr->ih_dcrc)) {