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Add support for the PMC Pm29F002T/B chips

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I sucessfully tested all operations on a Pm29F002T chip. The Pm29F002B is
untested but I assume it should also work.

Corresponding to flashrom svn r590.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Uwe Hermann 2009-06-14 21:53:26 +00:00
parent 38a059d6ef
commit f983d9ffea
4 changed files with 91 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
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@ -43,7 +43,7 @@ endif
LIBS += -lpci -lz
OBJS = chipset_enable.o board_enable.o udelay.o jedec.o stm50flw0x0x.o \
sst28sf040.o am29f040b.o mx29f002.o m29f400bt.o \
sst28sf040.o am29f040b.o mx29f002.o m29f400bt.o pm29f002.c \
w49f002u.o 82802ab.o pm49fl00x.o sst49lf040.o en29f002a.o \
sst49lfxxxc.o sst_fwhub.o layout.o cbtable.o flashchips.o physmap.o \
flashrom.o w39v080fa.o sharplhf00l04.o w29ee011.o spi.o it87spi.o \

5
flash.h
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@ -453,6 +453,8 @@ extern const struct board_info boards_bad[];
#define PMC_25LV040 0x7E
#define PMC_25LV080B 0x13
#define PMC_25LV016B 0x14
#define PMC_29F002T 0x1D
#define PMC_29F002B 0x2D
#define PMC_39LV512 0x1B
#define PMC_39F010 0x1C /* also Pm39LV010 */
#define PMC_39LV020 0x3D
@ -783,6 +785,9 @@ int probe_29f040b(struct flashchip *flash);
int erase_29f040b(struct flashchip *flash);
int write_29f040b(struct flashchip *flash, uint8_t *buf);
/* pm29f002.c */
int write_pm29f002(struct flashchip *flash, uint8_t *buf);
/* en29f002a.c */
int probe_en29f002a(struct flashchip *flash);
int erase_en29f002a(struct flashchip *flash);

32
flashchips.c
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@ -1512,6 +1512,38 @@ struct flashchip flashchips[] = {
.read = spi_chip_read,
},
{
.vendor = "PMC",
.name = "Pm29F0002T",
.bustype = CHIP_BUSTYPE_PARALLEL,
.manufacture_id = PMC_ID_NOPREFIX,
.model_id = PMC_29F002T,
.total_size = 256,
.page_size = 8192,
.tested = TEST_OK_PREW,
.probe = probe_29f040b,
.probe_timing = TIMING_FIXME,
.erase = erase_29f040b,
.write = write_pm29f002,
.read = read_memmapped,
},
{
.vendor = "PMC",
.name = "Pm29F0002B",
.bustype = CHIP_BUSTYPE_PARALLEL,
.manufacture_id = PMC_ID_NOPREFIX,
.model_id = PMC_29F002B,
.total_size = 256,
.page_size = 8192,
.tested = TEST_UNTESTED,
.probe = probe_29f040b,
.probe_timing = TIMING_FIXME,
.erase = erase_29f040b,
.write = write_pm29f002,
.read = read_memmapped,
},
{
.vendor = "PMC",
.name = "Pm39LV010",

53
pm29f002.c Normal file
View File

@ -0,0 +1,53 @@
/*
* This file is part of the flashrom project.
*
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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
*/
#include "flash.h"
int write_pm29f002(struct flashchip *flash, uint8_t *buf)
{
int i, total_size = flash->total_size * 1024;
chipaddr bios = flash->virtual_memory;
chipaddr dst = bios;
/* Pm29F002T/B use the same erase method... */
erase_29f040b(flash);
printf("Programming page: ");
for (i = 0; i < total_size; i++) {
if ((i & 0xfff) == 0)
printf("address: 0x%08lx", (unsigned long)i);
/* Pm29F002T/B only support byte-wise programming. */
chip_writeb(0xAA, bios + 0x555);
chip_writeb(0x55, bios + 0x2AA);
chip_writeb(0xA0, bios + 0x555);
chip_writeb(*buf++, dst++);
/* Wait for Toggle bit ready. */
toggle_ready_jedec(dst);
if ((i & 0xfff) == 0)
printf("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
}
printf("\n");
return 0;
}