diff options
Diffstat (limited to 'util/flashrom')
| -rw-r--r-- | util/flashrom/Makefile | 2 | ||||
| -rw-r--r-- | util/flashrom/README | 1 | ||||
| -rw-r--r-- | util/flashrom/flash.h | 4 | ||||
| -rw-r--r-- | util/flashrom/flashchips.c | 2 | ||||
| -rw-r--r-- | util/flashrom/w29ee011.c | 60 |
5 files changed, 68 insertions, 1 deletions
diff --git a/util/flashrom/Makefile b/util/flashrom/Makefile index fbae239799..c6d810842c 100644 --- a/util/flashrom/Makefile +++ b/util/flashrom/Makefile @@ -24,7 +24,7 @@ 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 \ sst_fwhub.o layout.o lbtable.o flashchips.o flashrom.o \ - sharplhf00l04.o + sharplhf00l04.o w29ee011.o all: pciutils dep $(PROGRAM) diff --git a/util/flashrom/README b/util/flashrom/README index 06b58032e3..7e44d28759 100644 --- a/util/flashrom/README +++ b/util/flashrom/README @@ -150,6 +150,7 @@ SyncMOS S29C31004T Winbond W29C011 Winbond W29C020C Winbond W29C040P +Winbond W29EE011 Winbond W49F002U Winbond W49V002A Winbond W49V002FA diff --git a/util/flashrom/flash.h b/util/flashrom/flash.h index 850bf33a2f..6acbb434d6 100644 --- a/util/flashrom/flash.h +++ b/util/flashrom/flash.h @@ -102,6 +102,7 @@ extern struct flashchip flashchips[]; #define W_29C011 0xC1 #define W_29C020C 0x45 #define W_29C040P 0x46 +#define W_29EE011 0xC1 #define W_39V040FA 0x34 #define W_39V040A 0x3D #define W_39V040B 0x54 @@ -260,6 +261,9 @@ extern int probe_sst_fwhub(struct flashchip *flash); extern int erase_sst_fwhub(struct flashchip *flash); extern int write_sst_fwhub(struct flashchip *flash, uint8_t *buf); +/* w29ee011.c */ +extern int probe_w29ee011(struct flashchip *flash); + /* w49f002u.c */ extern int write_49f002(struct flashchip *flash, uint8_t *buf); diff --git a/util/flashrom/flashchips.c b/util/flashrom/flashchips.c index 291530794e..dba8774b32 100644 --- a/util/flashrom/flashchips.c +++ b/util/flashrom/flashchips.c @@ -86,6 +86,8 @@ struct flashchip flashchips[] = { probe_jedec, erase_chip_jedec, write_jedec}, {"W29C020C", WINBOND_ID, W_29C020C, 256, 128, probe_jedec, erase_chip_jedec, write_jedec}, + {"W29EE011", WINBOND_ID, W_29C011, 128, 128, + probe_w29ee011,erase_chip_jedec, write_jedec}, {"W49F002U", WINBOND_ID, W_49F002U, 256, 128, probe_jedec, erase_chip_jedec, write_49f002}, {"W49V002A", WINBOND_ID, W_49V002A, 256, 128, diff --git a/util/flashrom/w29ee011.c b/util/flashrom/w29ee011.c new file mode 100644 index 0000000000..88a7a8a23b --- /dev/null +++ b/util/flashrom/w29ee011.c @@ -0,0 +1,60 @@ +/* + * This file is part of the flashrom project. + * + * Copyright (C) 2007 Markus Boas <ryven@ryven.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 probe_w29ee011(struct flashchip *flash) +{ + volatile uint8_t *bios = flash->virtual_memory; + uint8_t id1, id2; + + /* Issue JEDEC Product ID Entry command */ + *(volatile uint8_t *)(bios + 0x5555) = 0xAA; + myusec_delay(10); + *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; + myusec_delay(10); + *(volatile uint8_t *)(bios + 0x5555) = 0x80; + myusec_delay(10); + *(volatile uint8_t *)(bios + 0x5555) = 0xAA; + myusec_delay(10); + *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; + myusec_delay(10); + *(volatile uint8_t *)(bios + 0x5555) = 0x60; + myusec_delay(10); + + /* Read product ID */ + id1 = *(volatile uint8_t *)bios; + id2 = *(volatile uint8_t *)(bios + 0x01); + + /* Issue JEDEC Product ID Exit command */ + *(volatile uint8_t *)(bios + 0x5555) = 0xAA; + myusec_delay(10); + *(volatile uint8_t *)(bios + 0x2AAA) = 0x55; + myusec_delay(10); + *(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 1; + + return 0; +} |