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Commit fe7e929f authored by Carl-Daniel Hailfinger's avatar Carl-Daniel Hailfinger
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Drop 82802ab.c as it is identical to sharplhf00l04.c 


Corresponding to flashrom svn r201 and coreboot v2 svn r3137.
Signed-off-by: default avatarCarl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: default avatarPeter Stuge <peter@stuge.se>
parent 7bd2f838
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Showing with 13 additions and 191 deletions
82802ab.c deleted 100644 → 0
View file @ 7bd2f838
/*
* This file is part of the flashrom project.
*
* Copyright (C) 2000 Silicon Integrated System 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Datasheet:
* - Name: Intel 82802AB/82802AC Firmware Hub (FWH)
* - URL: http://www.intel.com/design/chipsets/datashts/290658.htm
* - PDF: http://download.intel.com/design/chipsets/datashts/29065804.pdf
* - Order number: 290658-004
*/
#include <stdio.h>
#include <stdint.h>
#include "flash.h"
// I need that Berkeley bit-map printer
void print_82802ab_status(uint8_t status)
{
printf("%s", status & 0x80 ? "Ready:" : "Busy:");
printf("%s", status & 0x40 ? "BE SUSPEND:" : "BE RUN/FINISH:");
printf("%s", status & 0x20 ? "BE ERROR:" : "BE OK:");
printf("%s", status & 0x10 ? "PROG ERR:" : "PROG OK:");
printf("%s", status & 0x8 ? "VP ERR:" : "VPP OK:");
printf("%s", status & 0x4 ? "PROG SUSPEND:" : "PROG RUN/FINISH:");
printf("%s", status & 0x2 ? "WP|TBL#|WP#,ABORT:" : "UNLOCK:");
}
int probe_82802ab(struct flashchip *flash)
{
volatile uint8_t *bios = flash->virtual_memory;
uint8_t id1, id2;
#if 0
*(volatile uint8_t *)(bios + 0x5555) = 0xAA;
*(volatile uint8_t *)(bios + 0x2AAA) = 0x55;
*(volatile uint8_t *)(bios + 0x5555) = 0x90;
#endif
*bios = 0xff;
myusec_delay(10);
*bios = 0x90;
myusec_delay(10);
id1 = *(volatile uint8_t *)bios;
id2 = *(volatile uint8_t *)(bios + 0x01);
/* Leave ID mode */
*(volatile uint8_t *)(bios + 0x5555) = 0xAA;
*(volatile uint8_t *)(bios + 0x2AAA) = 0x55;
*(volatile uint8_t *)(bios + 0x5555) = 0xF0;
myusec_delay(10);
printf_debug("%s: id1 0x%x, id2 0x%x\n", __FUNCTION__, id1, id2);
if (id1 != flash->manufacture_id || id2 != flash->model_id)
return 0;
map_flash_registers(flash);
return 1;
}
uint8_t wait_82802ab(volatile uint8_t *bios)
{
uint8_t status;
uint8_t id1, id2;
*bios = 0x70;
if ((*bios & 0x80) == 0) { // it's busy
while ((*bios & 0x80) == 0) ;
}
status = *bios;
// put another command to get out of status register mode
*bios = 0x90;
myusec_delay(10);
id1 = *(volatile uint8_t *)bios;
id2 = *(volatile uint8_t *)(bios + 0x01);
// this is needed to jam it out of "read id" mode
*(volatile uint8_t *)(bios + 0x5555) = 0xAA;
*(volatile uint8_t *)(bios + 0x2AAA) = 0x55;
*(volatile uint8_t *)(bios + 0x5555) = 0xF0;
return status;
}
int erase_82802ab_block(struct flashchip *flash, int offset)
{
volatile uint8_t *bios = flash->virtual_memory + offset;
volatile uint8_t *wrprotect = flash->virtual_registers + offset + 2;
uint8_t status;
// clear status register
*bios = 0x50;
//printf("Erase at %p\n", bios);
// clear write protect
//printf("write protect is at %p\n", (wrprotect));
//printf("write protect is 0x%x\n", *(wrprotect));
*(wrprotect) = 0;
//printf("write protect is 0x%x\n", *(wrprotect));
// now start it
*(volatile uint8_t *)(bios) = 0x20;
*(volatile uint8_t *)(bios) = 0xd0;
myusec_delay(10);
// now let's see what the register is
status = wait_82802ab(flash->virtual_memory);
//print_82802ab_status(status);
printf("DONE BLOCK 0x%x\n", offset);
return 0;
}
int erase_82802ab(struct flashchip *flash)
{
int i;
unsigned int total_size = flash->total_size * 1024;
printf("total_size is %d; flash->page_size is %d\n",
total_size, flash->page_size);
for (i = 0; i < total_size; i += flash->page_size)
erase_82802ab_block(flash, i);
printf("DONE ERASE\n");
return 0;
}
void write_page_82802ab(volatile uint8_t *bios, uint8_t *src,
volatile uint8_t *dst, int page_size)
{
int i;
for (i = 0; i < page_size; i++) {
/* transfer data from source to destination */
*dst = 0x40;
*dst++ = *src++;
wait_82802ab(bios);
}
}
int write_82802ab(struct flashchip *flash, uint8_t *buf)
{
int i;
int total_size = flash->total_size * 1024;
int page_size = flash->page_size;
volatile uint8_t *bios = flash->virtual_memory;
erase_82802ab(flash);
if (*bios != 0xff) {
printf("ERASE FAILED\n");
return -1;
}
printf("Programming page: ");
for (i = 0; i < total_size / page_size; i++) {
printf("%04d at address: 0x%08x", i, i * page_size);
write_page_82802ab(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");
}
printf("\n");
protect_jedec(bios);
return 0;
}
Makefile
View file @ fe7e929f
......@@ -22,7 +22,7 @@ endif
OBJS = chipset_enable.o board_enable.o udelay.o jedec.o sst28sf040.o \
am29f040b.o mx29f002.o sst39sf020.o m29f400bt.o w49f002u.o \
82802ab.o msys_doc.o pm49fl004.o sst49lf040.o sst49lfxxxc.o \
msys_doc.o pm49fl004.o sst49lf040.o sst49lfxxxc.o \
sst_fwhub.o layout.o cbtable.o flashchips.o flashrom.o \
sharplhf00l04.o w29ee011.o spi.o
......
flashchips.c
View file @ fe7e929f
......@@ -192,10 +192,10 @@ struct flashchip flashchips[] = {
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write, generic_spi_chip_read},
{"M25P128", ST_ID, ST_M25P128, 16384, 256,
probe_spi, generic_spi_chip_erase_c7, generic_spi_chip_write, generic_spi_chip_read},
{"82802ab", 137, 173, 512, 64 * 1024,
probe_82802ab, erase_82802ab, write_82802ab},
{"82802ac", 137, 172, 1024, 64 * 1024,
probe_82802ab, erase_82802ab, write_82802ab},
{"82802ab", INTEL_ID, 173, 512, 64 * 1024,
probe_lhf00l04, erase_lhf00l04, write_lhf00l04},
{"82802ac", INTEL_ID, 172, 1024, 64 * 1024,
probe_lhf00l04, erase_lhf00l04, write_lhf00l04},
{"F49B002UA", EMST_ID, EMST_F49B002UA, 256, 4096,
probe_jedec, erase_chip_jedec, write_49f002},
#ifndef DISABLE_DOC
......
sharplhf00l04.c
View file @ fe7e929f
......@@ -18,6 +18,14 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Datasheet:
* - Name: Intel 82802AB/82802AC Firmware Hub (FWH)
* - URL: http://www.intel.com/design/chipsets/datashts/290658.htm
* - PDF: http://download.intel.com/design/chipsets/datashts/29065804.pdf
* - Order number: 290658-004
*/
#include <stdio.h>
#include <stdlib.h>
#include "flash.h"
......
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