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Fix problems with CMC_PU2 flash driver.

This commit is contained in:
wdenk 2004-12-20 11:18:07 +00:00
parent 08f272787a
commit 400ab719c6
1 changed files with 8 additions and 7 deletions
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15
board/cmc_pu2/flash.c
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@ -335,11 +335,11 @@ int flash_erase (flash_info_t *info, int s_first, int s_last)
if (l_sect < 0)
goto DONE;
start = get_timer (0);
reset_timer_masked ();
last = start;
addr = (vu_short *)(info->start[l_sect]);
while ((addr[0] & 0x0080) != 0x0080) {
if ((now = get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
if ((now = get_timer_masked ()) > CFG_FLASH_ERASE_TOUT) {
printf ("Timeout\n");
return 1;
}
@ -394,6 +394,7 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
while (cnt >= 2) {
data = *((vu_short *)src);
if ((rc = write_word_amd(info, (vu_short *)wp, data)) != 0) {
printf ("write_buff 1: write_word_amd() rc=%d\n", rc);
return (rc);
}
src += 2;
@ -402,13 +403,13 @@ int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
}
if (cnt == 0) {
return (0);
return (ERR_OK);
}
if (cnt == 1) {
data = (*((volatile u8 *) src)) | (*((volatile u8 *) (wp + 1))
<< 8);
data = (*((volatile u8 *) src)) | (*((volatile u8 *) (wp + 1)) << 8);
if ((rc = write_word_amd(info, (vu_short *)wp, data)) != 0) {
printf ("write_buff 1: write_word_amd() rc=%d\n", rc);
return (rc);
}
src += 1;
@ -455,11 +456,11 @@ static int write_word_amd (flash_info_t *info, vu_short *dest, ushort data)
if (flag)
enable_interrupts();
start = get_timer (0);
reset_timer_masked ();
/* data polling for D7 */
while ((*dest & 0x0080) != (data & 0x0080)) {
if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
*dest = 0x00F0; /* reset bank */
return (1);
}