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Commit e3dad011 authored by Ronald G. Minnich's avatar Ronald G. Minnich
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Now we support 8111 and these parts 

Corresponding to flashrom svn r3 and coreboot v2 svn r1375.
parent 84cfad0c
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Showing with 301 additions and 4 deletions
flash.h
View file @ e3dad011
......@@ -37,6 +37,9 @@ struct flashchip {
#define SST_39SF020 0xB6 /* SST 39SF020 device */
#define SST_39VF020 0xD6 /* SST 39SF020 device */
#define PMC_ID 0x9D /* PMC Manufacturer ID[B code */
#define PMC_49FL004 0x6E /* PMC 49FL004 device code */
#define WINBOND_ID 0xDA /* Winbond Manufacture ID code */
#define W_29C011 0xC1 /* Winbond w29c011 device code*/
#define W_29C020C 0x45 /* Winbond w29c020c device code*/
......
flash_rom.c
View file @ e3dad011
......@@ -46,10 +46,12 @@
#include "sst28sf040.h"
#include "w49f002u.h"
#include "sst39sf020.h"
#include "pm49fl004.h"
#include "mx29f002.h"
struct flashchip flashchips[] = {
{"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024,
#if 1
{"Am29F040B", AMD_ID, AM_29F040B, NULL, 512, 64*1024,
probe_29f040b, erase_29f040b, write_29f040b, NULL},
{"At29C040A", ATMEL_ID, AT_29C040A, NULL, 512, 256,
probe_jedec, erase_jedec, write_jedec, NULL},
......@@ -63,6 +65,12 @@ struct flashchip flashchips[] = {
probe_39sf020, erase_39sf020, write_39sf020, NULL},
{"SST39VF020", SST_ID, SST_39VF020, NULL, 256, 4096,
probe_39sf020, erase_39sf020, write_39sf020, NULL},
#endif
//By LYH begin
{"Pm49FL004", PMC_ID, PMC_49FL004, NULL, 512, 64*1024,
probe_49fl004, erase_49fl004, write_49fl004, NULL},
//END
#if 1
{"W29C011", WINBOND_ID, W_29C011, NULL, 128, 128,
probe_jedec, erase_jedec, write_jedec, NULL},
{"W29C020C", WINBOND_ID, W_29C020C, NULL, 256, 128,
......@@ -80,10 +88,11 @@ struct flashchip flashchips[] = {
NULL, 8, 8*1024,
probe_md2802, erase_md2802, write_md2802, read_md2802},
{NULL,}
#endif
};
char *chip_to_probe = NULL;
#if 1
int enable_flash_sis630 (struct pci_dev *dev, char *name)
{
char b;
......@@ -271,6 +280,71 @@ enable_flash_sis5595(struct pci_dev *dev, char *name) {
}
return 0;
}
#endif
//BY LYH
#if 0
static void dump_pci_device(struct pci_dev *dev)
{
int i;
printf("\n");
for(i = 0; i <= 255; i++) {
unsigned char val;
if ((i & 0x0f) == 0) {
printf("0x%02x:",i);
}
val = pci_read_byte(dev, i);
printf(" 0x%02x",val);
if ((i & 0x0f) == 0x0f) {
printf("\r\n");
}
}
}
#endif
int
enable_flash_amd8111(struct pci_dev *dev, char *name) {
/* register 4e.b gets or'ed with one */
unsigned char old, new;
/* if it fails, it fails. There are so many variations of broken mobos
* that it is hard to argue that we should quit at this point.
*/
// dump_pci_device(dev);
old = pci_read_byte(dev, 0x43);
new = old | 0x80;
if (new != old) {
pci_write_byte(dev, 0x43, new);
if (pci_read_byte(dev, 0x43) != new) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x43, new, name);
}
}
old = pci_read_byte(dev, 0x40);
new = old | 0x01;
if (new == old)
return 0;
pci_write_byte(dev, 0x40, new);
if (pci_read_byte(dev, 0x40) != new) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
0x40, new, name);
return -1;
}
return 0;
}
//By LYH END
struct flashchip * probe_flash(struct flashchip * flash)
{
......@@ -299,7 +373,7 @@ struct flashchip * probe_flash(struct flashchip * flash)
flash->total_size * 1024, (unsigned long)size);
}
bios = mmap (0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
fd_mem, (off_t) (0 - size));
fd_mem, (off_t) (0-size));
if (bios == MAP_FAILED) {
perror("Error MMAP /dev/mem");
exit(1);
......@@ -393,7 +467,7 @@ typedef struct penable {
} FLASH_ENABLE;
FLASH_ENABLE enables[] = {
#if 1
{0x1, 0x1, "sis630 -- what's the ID?", enable_flash_sis630},
{0x8086, 0x2480, "E7500", enable_flash_e7500},
{0x1106, 0x8231, "VT8231", enable_flash_vt8231},
......@@ -401,6 +475,8 @@ FLASH_ENABLE enables[] = {
{0x1078, 0x0100, "CS5530", enable_flash_cs5530},
{0x100b, 0x0510, "SC1100", enable_flash_sc1100},
{0x1039, 0x8, "SIS5595", enable_flash_sis5595},
#endif
{0x1022, 0x7468, "AMD8111", enable_flash_amd8111},
};
int
......
pm49fl004.c 0 → 100644
View file @ e3dad011
/*
* pm49fl004.c: driver for Pm49FL004 flash models.
*
*
* Copyright 2004 Tyan Corporation
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
*/
#include <stdio.h>
#include "flash.h"
#include "jedec.h"
#include "pm49fl004.h"
#define AUTO_PGRM 0x10
#define CHIP_ERASE 0x30
#define RESET 0xFF
#define READ_ID 0x90
static __inline__ void protect_49fl004 (volatile char * bios)
{
/* ask compiler not to optimize this */
volatile unsigned char 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);
}
static __inline__ void unprotect_49fl004 (volatile char * bios)
{
/* ask compiler not to optimize this */
volatile unsigned char 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);
}
static __inline__ int erase_block_49fl004 ( volatile unsigned char * bios ,unsigned long address)
{
volatile unsigned char *Temp;
Temp = bios + 0x5555; /* set up address to be C000:5555h */
*Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
*Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */
*Temp = 0x80; /* write data 0x80 to the address */
myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */
*Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
*Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
Temp = bios + address; /* set up address to be C000:5555h */
*Temp = 0x50; /* write data 0x55 to the address */
/* wait for Toggle bit ready */
toggle_ready_jedec(bios);
return(0);
}
static __inline__ int write_block_49fl004(volatile char * bios,
unsigned char * src,
volatile unsigned char * dst,
unsigned int page_size)
{
int i;
volatile char *Temp;
for (i = 0; i < page_size; i++) {
if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x\n", dst, *dst);
return(-1);
}
/* transfer data from source to destination */
if (*src == 0xFF) {
dst++, src++;
/* If the data is 0xFF, don't program it */
continue;
}
Temp = (bios + 0x5555);
*Temp = 0xAA;
Temp = bios + 0x2AAA;
*Temp = 0x55;
Temp = bios + 0x5555;
*Temp = 0xA0;
*dst = *src;
toggle_ready_jedec(bios);
if (*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_49fl004 (struct flashchip * flash)
{
volatile char * bios = flash->virt_addr;
unsigned char id1, id2;
*(volatile char *) (bios + 0x5555) = 0xAA;
myusec_delay(10);
*(volatile char *) (bios + 0x2AAA) = 0x55;
myusec_delay(10);
*(volatile char *) (bios + 0x5555) = 0x90;
myusec_delay(10);
id1 = *(volatile unsigned char *) bios;
id2 = *(volatile unsigned char *) (bios + 0x01);
*(volatile char *) (bios + 0x5555) = 0xAA;
*(volatile char *) (bios + 0x2AAA) = 0x55;
*(volatile char *) (bios + 0x5555) = 0xF0;
myusec_delay(10);
printf("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 == flash->manufacture_id && id2 == flash->model_id)
return 1;
return 0;
}
int erase_49fl004 (struct flashchip * flash)
{
volatile unsigned char * bios = flash->virt_addr;
volatile unsigned char *Temp;
Temp = bios + 0x5555; /* set up address to be C000:5555h */
*Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
*Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */
*Temp = 0x80; /* write data 0x80 to the address */
myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */
*Temp = 0xAA; /* write data 0xAA to the address */
myusec_delay(10);
Temp = bios + 0x2AAA; /* set up address to be C000:2AAAh */
*Temp = 0x55; /* write data 0x55 to the address */
myusec_delay(10);
Temp = bios + 0x5555; /* set up address to be C000:5555h */
*Temp = 0x10; /* write data 0x10 to the address */
/* wait for Toggle bit ready */
toggle_ready_jedec(bios);
return(0);
}
int write_49fl004 (struct flashchip * flash, unsigned char * buf)
{
int i;
int total_size = flash->total_size * 1024, page_size = flash->page_size;
volatile char * bios = flash->virt_addr;
// unprotect_49fl004 (bios);
// erase_49fl004(flash);
printf ("Programming Page: ");
for (i = 0; i < total_size/page_size; i++) {
/* erase the page before programming */
erase_block_49fl004(bios, i * page_size);
/* write to the sector */
printf ("%04d at address: 0x%08x", i, i * page_size);
write_block_49fl004(bios, buf + i * page_size, bios + i * page_size,
page_size);
printf ("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
fflush(stdout);
}
printf("\n");
// protect_49fl004 (bios);
return(0);
}
pm49fl004.h 0 → 100644
View file @ e3dad011
#ifndef __PM49FL004_H__
#define __PM49FL004_H__ 1
extern int probe_49fl004 (struct flashchip * flash);
extern int erase_49fl004 (struct flashchip * flash);
extern int write_49fl004 (struct flashchip * flash, unsigned char * buf);
#endif
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