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Code Issues Releases Wiki Activity

Block eraser conversions and support for Eon EN25B series

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Convert chips to block_erasers:

SyncMOS S29C31004T
SyncMOS S29C51001T
SyncMOS S29C51002T
SyncMOS S29C51004T
TI TMS29F002RT
TI TMS29F002RB

SyncMOS chips have Uniform sector; boot blocks on chips are made up of uniform sectors but have locking.

Corresponding to flashrom svn r871.

Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Sean Nelson
2010-01-19 16:08:51 +00:00
parent d38fac8c26
commit 56358aae1d
3 changed files with 452 additions and 49 deletions
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46
stm50flw0x0x.c
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@ -2,6 +2,7 @@
* This file is part of the flashrom project.
*
* Copyright (C) 2008 Claus Gindhart <claus.gindhart@kontron.com>
* Copyright (C) 2009 Sean Nelson <audiohacked@gmail.com>
*
* 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
@ -99,9 +100,9 @@ int unlock_block_stm50flw0x0x(struct flashchip *flash, int offset)
return 0;
}
int erase_block_stm50flw0x0x(struct flashchip *flash, int offset)
int erase_block_stm50flw0x0x(struct flashchip *flash, unsigned int block, unsigned int blocksize)
{
chipaddr bios = flash->virtual_memory + offset;
chipaddr bios = flash->virtual_memory + block;
// clear status register
chip_writeb(0x50, bios);
@ -113,11 +114,34 @@ int erase_block_stm50flw0x0x(struct flashchip *flash, int offset)
wait_stm50flw0x0x(flash->virtual_memory);
if (check_erased_range(flash, offset, flash->page_size)) {
if (check_erased_range(flash, block, blocksize)) {
fprintf(stderr, "ERASE FAILED!\n");
return -1;
}
printf("DONE BLOCK 0x%x\n", offset);
printf("DONE BLOCK 0x%x\n", block);
return 0;
}
int erase_sector_stm50flw0x0x(struct flashchip *flash, unsigned int sector, unsigned int sectorsize)
{
chipaddr bios = flash->virtual_memory + sector;
// clear status register
chip_writeb(0x50, bios);
printf_debug("Erase at 0x%lx\n", bios);
// now start it
chip_writeb(0x32, bios);
chip_writeb(0xd0, bios);
programmer_delay(10);
wait_stm50flw0x0x(flash->virtual_memory);
if (check_erased_range(flash, sector, sectorsize)) {
fprintf(stderr, "ERASE FAILED!\n");
return -1;
}
printf("DONE BLOCK 0x%x\n", sector);
return 0;
}
@ -178,7 +202,7 @@ int erase_stm50flw0x0x(struct flashchip *flash)
fprintf(stderr, "UNLOCK FAILED!\n");
return -1;
}
if (erase_block_stm50flw0x0x(flash, i * page_size)) {
if (erase_block_stm50flw0x0x(flash, i * page_size, page_size)) {
fprintf(stderr, "ERASE FAILED!\n");
return -1;
}
@ -188,6 +212,16 @@ int erase_stm50flw0x0x(struct flashchip *flash)
return 0;
}
int erase_chip_stm50flw0x0x(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
{
if ((addr != 0) || (blocklen != flash->total_size * 1024)) {
msg_cerr("%s called with incorrect arguments\n",
__func__);
return -1;
}
return erase_stm50flw0x0x(flash);
}
int write_stm50flw0x0x(struct flashchip *flash, uint8_t * buf)
{
int i, rc = 0;
@ -221,7 +255,7 @@ int write_stm50flw0x0x(struct flashchip *flash, uint8_t * buf)
rc = unlock_block_stm50flw0x0x(flash, i * page_size);
if (!rc)
rc = erase_block_stm50flw0x0x(flash, i * page_size);
rc = erase_block_stm50flw0x0x(flash, i * page_size, page_size);
if (!rc)
write_page_stm50flw0x0x(bios, buf + i * page_size,
bios + i * page_size, page_size);