mirror of
https://review.coreboot.org/flashrom.git
synced 2025-07-02 22:43:17 +02:00
Flashrom update from Stefan, resolve issue 21
Corresponding to flashrom svn r34 and coreboot v2 svn r2111.
This commit is contained in:
20
mx29f002.c
20
mx29f002.c
@ -26,27 +26,29 @@
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include "flash.h"
|
||||
#include "jedec.h"
|
||||
#include "mx29f002.h"
|
||||
#include "debug.h"
|
||||
|
||||
int probe_29f002(struct flashchip *flash)
|
||||
{
|
||||
volatile char *bios = flash->virt_addr;
|
||||
unsigned char id1, id2;
|
||||
volatile uint8_t *bios = flash->virt_addr;
|
||||
uint8_t id1, id2;
|
||||
|
||||
*(bios + 0x5555) = 0xAA;
|
||||
*(bios + 0x2AAA) = 0x55;
|
||||
*(bios + 0x5555) = 0x90;
|
||||
|
||||
id1 = *(volatile unsigned char *) bios;
|
||||
id2 = *(volatile unsigned char *) (bios + 0x01);
|
||||
id1 = *(volatile uint8_t *) bios;
|
||||
id2 = *(volatile uint8_t *) (bios + 0x01);
|
||||
|
||||
*bios = 0xF0;
|
||||
|
||||
myusec_delay(10);
|
||||
|
||||
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
|
||||
printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
|
||||
if (id1 == flash->manufacture_id && id2 == flash->model_id)
|
||||
return 1;
|
||||
|
||||
@ -55,7 +57,7 @@ int probe_29f002(struct flashchip *flash)
|
||||
|
||||
int erase_29f002(struct flashchip *flash)
|
||||
{
|
||||
volatile char *bios = flash->virt_addr;
|
||||
volatile uint8_t *bios = flash->virt_addr;
|
||||
|
||||
*(bios + 0x555) = 0xF0;
|
||||
*(bios + 0x555) = 0xAA;
|
||||
@ -84,12 +86,12 @@ int erase_29f002(struct flashchip *flash)
|
||||
return (0);
|
||||
}
|
||||
|
||||
int write_29f002(struct flashchip *flash, unsigned char *buf)
|
||||
int write_29f002(struct flashchip *flash, uint8_t *buf)
|
||||
{
|
||||
int i;
|
||||
int total_size = flash->total_size * 1024;
|
||||
volatile char *bios = flash->virt_addr;
|
||||
volatile char *dst = bios;
|
||||
volatile uint8_t *bios = flash->virt_addr;
|
||||
volatile uint8_t *dst = bios;
|
||||
|
||||
*bios = 0xF0;
|
||||
myusec_delay(10);
|
||||
|
Reference in New Issue
Block a user