openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-04-27 23:22:37 +02:00
Code Issues Releases Wiki Activity

Mark Fujitsu MBM29F400BC write as broken (implicit eraseblock layout in write)

Browse Source 
Use full-chip write function on Fujitsu MBM29F400TC and ST M29F400BT.
Add support for ST M29F400BB.

Corresponding to flashrom svn r1083.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
This commit is contained in:
Carl-Daniel Hailfinger 2010-07-16 22:07:20 +00:00
parent 29a1c66a23
commit 420cf6f633
3 changed files with 36 additions and 59 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
chipdrivers.h
View File

@ -87,7 +87,6 @@ int erase_m29f400bt(struct flashchip *flash);
int block_erase_m29f400bt(struct flashchip *flash, unsigned int start, unsigned int len);
int block_erase_chip_m29f400bt(struct flashchip *flash, unsigned int start, unsigned int len);
int write_m29f400bt(struct flashchip *flash, uint8_t *buf);
int write_coreboot_m29f400bt(struct flashchip *flash, uint8_t *buf);
void protect_m29f400bt(chipaddr bios);
void write_page_m29f400bt(chipaddr bios, uint8_t *src,
chipaddr dst, int page_size);

41
flashchips.c
View File

@ -2382,7 +2382,7 @@ struct flashchip flashchips[] = {
.total_size = 512,
.page_size = 64 * 1024,
.feature_bits = FEATURE_ADDR_SHIFTED | FEATURE_EITHER_RESET,
.tested = TEST_UNTESTED,
.tested = TEST_BAD_WRITE, /* Implicit eraseblock layout in write_m29f400bt is broken. */
.probe = probe_m29f400bt,
.probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (m29f400bt.c) */
.block_erasers =
@ -2400,7 +2400,7 @@ struct flashchip flashchips[] = {
.block_erase = block_erase_chip_m29f400bt,
},
},
.write = write_coreboot_m29f400bt,
.write = NULL,
.read = read_memmapped,
},
@ -2431,7 +2431,7 @@ struct flashchip flashchips[] = {
.block_erase = block_erase_chip_m29f400bt,
},
},
.write = write_coreboot_m29f400bt,
.write = write_m29f400bt,
.read = read_memmapped,
},
@ -5278,7 +5278,7 @@ struct flashchip flashchips[] = {
.feature_bits = FEATURE_ADDR_2AA | FEATURE_EITHER_RESET,
.tested = TEST_UNTESTED,
.probe = probe_jedec,
.probe_timing = TIMING_IGNORED, /* routine don't use probe_timing (am29f040b.c) */
.probe_timing = TIMING_IGNORED, /* routine doesn't use probe_timing (am29f040b.c) */
.block_erasers =
{
{
@ -5293,6 +5293,37 @@ struct flashchip flashchips[] = {
.read = read_memmapped,
},
{
/* FIXME: this has WORD/BYTE sequences; 2AA for word, 555 for byte */
.vendor = "ST",
.name = "M29F400BB",
.bustype = CHIP_BUSTYPE_PARALLEL,
.manufacture_id = ST_ID,
.model_id = ST_M29F400BB,
.total_size = 512,
.page_size = 64 * 1024,
.feature_bits = FEATURE_ADDR_SHIFTED | FEATURE_EITHER_RESET,
.tested = TEST_BAD_WRITE, /* Implicit eraseblock layout in write_m29f400bt is broken. */
.probe = probe_m29f400bt,
.probe_timing = TIMING_IGNORED, /* routine doesn't use probe_timing (m29f400bt.c) */
.block_erasers =
{
{
.eraseblocks = {
{16 * 1024, 1},
{8 * 1024, 2},
{32 * 1024, 1},
{64 * 1024, 7},
},
.block_erase = block_erase_m29f400bt,
}, {
.eraseblocks = { {512 * 1024, 1} },
.block_erase = block_erase_chip_m29f400bt,
}
},
.write = NULL,
.read = read_memmapped,
},
{
/* FIXME: this has WORD/BYTE sequences; 2AA for word, 555 for byte */
.vendor = "ST",
@ -5321,7 +5352,7 @@ struct flashchip flashchips[] = {
.block_erase = block_erase_chip_m29f400bt,
}
},
.write = write_coreboot_m29f400bt,
.write = write_m29f400bt,
.read = read_memmapped,
},

53
m29f400bt.c
View File

@ -204,56 +204,3 @@ int write_m29f400bt(struct flashchip *flash, uint8_t *buf)
return 0;
}
int write_coreboot_m29f400bt(struct flashchip *flash, uint8_t *buf)
{
chipaddr bios = flash->virtual_memory;
msg_cinfo("Programming page:\n ");
/*********************************
*Pages for M29F400BT:
* 16 0x7c000 0x7ffff TOP
* 8 0x7a000 0x7bfff
* 8 0x78000 0x79fff
* 32 0x70000 0x77fff
* 64 0x60000 0x6ffff
* 64 0x50000 0x5ffff
* 64 0x40000 0x4ffff
*---------------------------------
* 64 0x30000 0x3ffff
* 64 0x20000 0x2ffff
* 64 0x10000 0x1ffff
* 64 0x00000 0x0ffff BOTTOM
*********************************/
msg_cinfo("%04d at address: 0x%08x\n", 7, 0x00000);
if (block_erase_m29f400bt(flash, 0x00000, 64 * 1024)) {
msg_cerr("ERASE FAILED!\n");
return -1;
}
write_page_m29f400bt(bios, buf + 0x00000, bios + 0x00000, 64 * 1024);
msg_cinfo("%04d at address: 0x%08x\n", 7, 0x10000);
if (block_erase_m29f400bt(flash, 0x10000, 64 * 1024)) {
msg_cerr("ERASE FAILED!\n");
return -1;
}
write_page_m29f400bt(bios, buf + 0x10000, bios + 0x10000, 64 * 1024);
msg_cinfo("%04d at address: 0x%08x\n", 7, 0x20000);
if (block_erase_m29f400bt(flash, 0x20000, 64 * 1024)) {
msg_cerr("ERASE FAILED!\n");
return -1;
}
write_page_m29f400bt(bios, buf + 0x20000, bios + 0x20000, 64 * 1024);
msg_cinfo("%04d at address: 0x%08x\n", 7, 0x30000);
if (block_erase_m29f400bt(flash, 0x30000, 64 * 1024)) {
msg_cerr("ERASE FAILED!\n");
return -1;
}
write_page_m29f400bt(bios, buf + 0x30000, bios + 0x30000, 64 * 1024);
msg_cinfo("\n");
return 0;
}