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* Patch by Arun Dharankar, 24 Mar 2003:

Browse Source 
- add threads / scheduler example code

* Add patches by Robert Schwebel, 31 Mar 2003:
  - add ctrl-c support for kermit download
  - align bdinfo output on ARM

* Add CPU ID, version, and clock speed for INCA-IP
This commit is contained in:
wdenk
2003-03-31 16:34:49 +00:00
parent 506f044131
commit 85ec0bcc1b
22 changed files with 1083 additions and 386 deletions
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24
common/cmd_nand.c
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@@ -1266,6 +1266,7 @@ static int nand_erase(struct nand_chip* nand, size_t ofs, size_t len)
{
unsigned long nandptr;
struct Nand *mychip;
int ret = 0;
if (ofs & (nand->erasesize-1) || len & (nand->erasesize-1)) {
printf ("Offset and size must be sector aligned, erasesize = %d\n",
@@ -1275,6 +1276,17 @@ static int nand_erase(struct nand_chip* nand, size_t ofs, size_t len)
nandptr = nand->IO_ADDR;
/* Select the NAND device */
NAND_ENABLE_CE(nand); /* set pin low */
/* Check the WP bit */
NanD_Command(nand, NAND_CMD_STATUS);
if (!(READ_NAND(nand->IO_ADDR) & 0x80)) {
printf ("nand_write_ecc: Device is write protected!!!\n");
ret = -1;
goto out;
}
/* FIXME: Do nand in the background. Use timers or schedule_task() */
while(len) {
mychip = &nand->chips[shr(ofs, nand->chipshift)];
@@ -1288,20 +1300,22 @@ static int nand_erase(struct nand_chip* nand, size_t ofs, size_t len)
if (READ_NAND(nandptr) & 1) {
printf("Error erasing at 0x%lx\n", (long)ofs);
/* There was an error */
goto callback;
ret = -1;
goto out;
}
ofs += nand->erasesize;
len -= nand->erasesize;
}
callback:
return 0;
out:
/* De-select the NAND device */
NAND_DISABLE_CE(nand); /* set pin high */
return ret;
}
static inline int nandcheck(unsigned long potential, unsigned long physadr)
{
return 0;
}