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Changes from NIKI

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Corresponding to coreboot v1 svn r873.
This commit is contained in:
Ronald G. Minnich
2003-09-12 22:41:53 +00:00
parent ceec420c3d
commit eaab50bb32
22 changed files with 622 additions and 82 deletions
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23
sst39sf020.c
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@@ -25,9 +25,10 @@
* $Id$
*/
#include <stdio.h>
#include "flash.h"
#include "jedec.h"
#include <stdio.h>
#include "sst39sf020.h"
#define AUTO_PG_ERASE1 0x20
#define AUTO_PG_ERASE2 0xD0
@@ -64,16 +65,18 @@ static __inline__ void unprotect_39sf020 (volatile char * bios)
tmp = *(volatile unsigned char *) (bios + 0x041A);
}
static __inline__ erase_sector_39sf020 (volatile char * bios, unsigned long address)
static __inline__ int erase_sector_39sf020 (volatile char * bios, unsigned long address)
{
*bios = AUTO_PG_ERASE1;
*(bios + address) = AUTO_PG_ERASE2;
/* wait for Toggle bit ready */
toggle_ready_jedec(bios);
return(0);
}
static __inline__ write_sector_39sf020(volatile char * bios,
static __inline__ int write_sector_39sf020(volatile char * bios,
unsigned char * src,
volatile unsigned char * dst,
unsigned int page_size)
@@ -84,7 +87,7 @@ static __inline__ write_sector_39sf020(volatile char * bios,
for (i = 0; i < page_size; i++) {
if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x\n", dst, *dst);
return;
return(-1);
}
/* transfer data from source to destination */
if (*src == 0xFF) {
@@ -101,10 +104,12 @@ static __inline__ write_sector_39sf020(volatile char * bios,
*dst = *src;
toggle_ready_jedec(bios);
if (*dst != *src)
printf("BAD! dst 0x%x val 0x%x src 0x%x\n",
dst, *dst, *src);
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long)dst, *dst, *src);
dst++, src++;
}
return(0);
}
int probe_39sf020 (struct flashchip * flash)
@@ -162,9 +167,11 @@ int erase_39sf020 (struct flashchip * flash)
*Temp = 0x10; /* write data 0x55 to the address */
myusec_delay(50000);
return(0);
}
int write_39sf020 (struct flashchip * flash, char * buf)
int write_39sf020 (struct flashchip * flash, unsigned char * buf)
{
int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size;
@@ -187,4 +194,6 @@ int write_39sf020 (struct flashchip * flash, char * buf)
printf("\n");
// protect_39sf020 (bios);
return(0);
}