diff options
Diffstat (limited to 'pm29f002.c')
| -rw-r--r-- | pm29f002.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/pm29f002.c b/pm29f002.c new file mode 100644 index 0000000..374582b --- /dev/null +++ b/pm29f002.c @@ -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; +} |
