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Code Issues Releases Wiki Activity

Flashrom update from Stefan, resolve issue 21

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Corresponding to flashrom svn r34 and coreboot v2 svn r2111.
This commit is contained in:
Ollie Lho
2005-11-26 21:55:36 +00:00
parent 8a10d5a631
commit 184a404033
38 changed files with 1098 additions and 511 deletions
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64
sst28sf040.c
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@@ -3,6 +3,7 @@
*
*
* Copyright 2000 Silicon Integrated System Corporation
* Copyright 2005 coresystems GmbH <stepan@openbios.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -22,12 +23,13 @@
* Reference:
* 4 MEgabit (512K x 8) SuperFlash EEPROM, SST28SF040 data sheet
*
* $Id$
*/
#include <stdio.h>
#include <stdint.h>
#include "flash.h"
#include "jedec.h"
#include "debug.h"
#define AUTO_PG_ERASE1 0x20
#define AUTO_PG_ERASE2 0xD0
@@ -36,35 +38,35 @@
#define RESET 0xFF
#define READ_ID 0x90
static __inline__ void protect_28sf040(volatile char *bios)
static __inline__ void protect_28sf040(volatile uint8_t *bios)
{
/* ask compiler not to optimize this */
volatile unsigned char tmp;
volatile uint8_t tmp;
tmp = *(volatile unsigned char *) (bios + 0x1823);
tmp = *(volatile unsigned char *) (bios + 0x1820);
tmp = *(volatile unsigned char *) (bios + 0x1822);
tmp = *(volatile unsigned char *) (bios + 0x0418);
tmp = *(volatile unsigned char *) (bios + 0x041B);
tmp = *(volatile unsigned char *) (bios + 0x0419);
tmp = *(volatile unsigned char *) (bios + 0x040A);
tmp = *(volatile uint8_t *) (bios + 0x1823);
tmp = *(volatile uint8_t *) (bios + 0x1820);
tmp = *(volatile uint8_t *) (bios + 0x1822);
tmp = *(volatile uint8_t *) (bios + 0x0418);
tmp = *(volatile uint8_t *) (bios + 0x041B);
tmp = *(volatile uint8_t *) (bios + 0x0419);
tmp = *(volatile uint8_t *) (bios + 0x040A);
}
static __inline__ void unprotect_28sf040(volatile char *bios)
static __inline__ void unprotect_28sf040(volatile uint8_t *bios)
{
/* ask compiler not to optimize this */
volatile unsigned char tmp;
volatile uint8_t tmp;
tmp = *(volatile unsigned char *) (bios + 0x1823);
tmp = *(volatile unsigned char *) (bios + 0x1820);
tmp = *(volatile unsigned char *) (bios + 0x1822);
tmp = *(volatile unsigned char *) (bios + 0x0418);
tmp = *(volatile unsigned char *) (bios + 0x041B);
tmp = *(volatile unsigned char *) (bios + 0x0419);
tmp = *(volatile unsigned char *) (bios + 0x041A);
tmp = *(volatile uint8_t *) (bios + 0x1823);
tmp = *(volatile uint8_t *) (bios + 0x1820);
tmp = *(volatile uint8_t *) (bios + 0x1822);
tmp = *(volatile uint8_t *) (bios + 0x0418);
tmp = *(volatile uint8_t *) (bios + 0x041B);
tmp = *(volatile uint8_t *) (bios + 0x0419);
tmp = *(volatile uint8_t *) (bios + 0x041A);
}
static __inline__ int erase_sector_28sf040(volatile char *bios,
static __inline__ int erase_sector_28sf040(volatile uint8_t *bios,
unsigned long address)
{
*bios = AUTO_PG_ERASE1;
@@ -76,9 +78,9 @@ static __inline__ int erase_sector_28sf040(volatile char *bios,
return (0);
}
static __inline__ int write_sector_28sf040(volatile char *bios,
unsigned char *src,
volatile unsigned char *dst,
static __inline__ int write_sector_28sf040(volatile uint8_t *bios,
uint8_t *src,
volatile uint8_t *dst,
unsigned int page_size)
{
int i;
@@ -103,8 +105,8 @@ static __inline__ int write_sector_28sf040(volatile char *bios,
int probe_28sf040(struct flashchip *flash)
{
volatile char *bios = flash->virt_addr;
unsigned char id1, id2, tmp;
volatile uint8_t *bios = flash->virt_addr;
uint8_t id1, id2, tmp;
/* save the value at the beginning of the Flash */
tmp = *bios;
@@ -114,14 +116,14 @@ int probe_28sf040(struct flashchip *flash)
*bios = READ_ID;
myusec_delay(10);
id1 = *(volatile unsigned char *) bios;
id1 = *(volatile uint8_t *) bios;
myusec_delay(10);
id2 = *(volatile unsigned char *) (bios + 0x01);
id2 = *(volatile uint8_t *) (bios + 0x01);
*bios = RESET;
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;
@@ -132,7 +134,7 @@ int probe_28sf040(struct flashchip *flash)
int erase_28sf040(struct flashchip *flash)
{
volatile char *bios = flash->virt_addr;
volatile uint8_t *bios = flash->virt_addr;
unprotect_28sf040(bios);
*bios = CHIP_ERASE;
@@ -145,12 +147,12 @@ int erase_28sf040(struct flashchip *flash)
return (0);
}
int write_28sf040(struct flashchip *flash, unsigned char *buf)
int write_28sf040(struct flashchip *flash, uint8_t *buf)
{
int i;
int total_size = flash->total_size * 1024, page_size =
flash->page_size;
volatile char *bios = flash->virt_addr;
volatile uint8_t *bios = flash->virt_addr;
unprotect_28sf040(bios);