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/*
* 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, <stepan@openbios.org>
*
* 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);
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