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Code

xburst_stage2: don't skip bad block when nand erase

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This commit is contained in:
Xiangfu Liu 2010-12-23 19:10:51 +08:00
parent 24aa5a2277
commit 0e92eb8bd7
1 changed files with 4 additions and 9 deletions
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11
usbboot/xburst_stage2/nandflash_4740.c
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@ -309,19 +309,17 @@ u32 nand_read_raw_4740(void *buf, u32 startpage, u32 pagecount, int option)
u32 nand_erase_4740(int blk_num, int sblk, int force) u32 nand_erase_4740(int blk_num, int sblk, int force)
{ {
int i, j; int j;
u32 cur, rowaddr; u32 cur, rowaddr;
if (wp_pin) if (wp_pin)
__gpio_set_pin(wp_pin); __gpio_set_pin(wp_pin);
cur = sblk * ppb; for (cur = sblk * ppb; cur < (sblk + blk_num) * ppb; cur += ppb) {
for (i = 0; i < blk_num; ) {
rowaddr = cur; rowaddr = cur;
select_chip(cur / ppb); select_chip(cur / ppb);
if (!force) { if (!force) {
if (nand_check_block(cur / ppb)) { if (nand_check_block(cur / ppb)) {
cur += ppb;
blk_num += Hand.nand_plane; blk_num += Hand.nand_plane;
continue; continue;
} }
@ -341,15 +339,13 @@ u32 nand_erase_4740(int blk_num, int sblk, int force)
serial_puts("\nErase fail at: \t"); serial_puts("\nErase fail at: \t");
serial_put_hex(cur / ppb); serial_put_hex(cur / ppb);
nand_mark_bad_4740(cur/ppb); nand_mark_bad_4740(cur/ppb);
cur += ppb;
continue; continue;
} }
cur += ppb;
i++;
} }
if (wp_pin) if (wp_pin)
__gpio_clear_pin(wp_pin); __gpio_clear_pin(wp_pin);
return cur; return cur;
} }
@ -744,7 +740,6 @@ u32 nand_mark_bad_4740(int block)
{ {
u32 rowaddr; u32 rowaddr;
/* nand_erase_4740( 1, block, 1); force erase before */
if (bad_block_page >= ppb) { /* mark four page! */ if (bad_block_page >= ppb) { /* mark four page! */
rowaddr = block * ppb + 0; rowaddr = block * ppb + 0;
nand_mark_bad_page(rowaddr); nand_mark_bad_page(rowaddr);