| /* |
| * OpenBIOS - free your system! |
| * ( firmware/flash device driver for Linux ) |
| * |
| * programming.h - prototypes for flash device programming |
| * |
| * This program is part of a free implementation of the IEEE 1275-1994 |
| * Standard for Boot (Initialization Configuration) Firmware. |
| * |
| * Copyright (C) 1998-2004 Stefan Reinauer |
| * |
| * 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; version 2 of the License. |
| * |
| * 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 |
| * |
| */ |
| |
| /* Addresses */ |
| #define ADDR_MANUFACTURER 0x0000 |
| #define ADDR_DEVICE_ID 0x0001 |
| #define ADDR_SECTOR_LOCK 0x0002 |
| #define ADDR_HANDSHAKE 0x0003 |
| |
| #define ADDR_UNLOCK_1 0x5555 |
| #define ADDR_UNLOCK_2 0x2AAA |
| #define ADDR_COMMAND 0x5555 |
| |
| /* Commands */ |
| #define CMD_UNLOCK_DATA_1 0xAA |
| #define CMD_UNLOCK_DATA_2 0x55 |
| #define CMD_MANUFACTURER_UNLOCK_DATA 0x90 |
| #define CMD_UNLOCK_BYPASS_MODE 0x20 |
| #define CMD_PROGRAM_UNLOCK_DATA 0xA0 |
| #define CMD_RESET_DATA 0xF0 |
| #define CMD_SECTOR_ERASE_UNLOCK_DATA 0x80 |
| #define CMD_SECTOR_ERASE_UNLOCK_DATA_2 0x30 |
| #define CMD_ERASE_DATA 0x10 |
| #define CMD_UNLOCK_SECTOR 0x60 |
| |
| extern int flashcount; |
| |
| void flash_command(unsigned char *addr, unsigned char command); |
| |
| void flash_program (unsigned char *addr); |
| void flash_program_atmel (unsigned char *addr); |
| |
| int flash_ready_toggle (unsigned char *addr, unsigned int offset); |
| int flash_ready_poll (unsigned char *addr, unsigned int offset, unsigned char data); |
| |
| int flash_erase (unsigned char *addr, unsigned int flashnum); |
| int flash_erase_sectors (unsigned char *addr, unsigned int flashnum, |
| unsigned int startsec, unsigned int endsec); |
| |
| void iflash_program_byte (unsigned char *addr, unsigned int offset, unsigned char data); |
| int iflash_erase_sectors (unsigned char *addr, unsigned int flashnum, unsigned int startsec, unsigned int endsec); |
| |
| unsigned char flash_readb(unsigned char *addr, unsigned int offset); |
| void flash_writeb(unsigned char *addr, unsigned int offset, unsigned char data); |
| |
| |
| int flash_probe_address(void *address); |
| void flash_probe_area(unsigned long romaddr, unsigned long romsize, |
| int map_always); |
| |