diff options
Diffstat (limited to 'qemu/roms/openbios/utils/devbios/programming.h')
-rw-r--r-- | qemu/roms/openbios/utils/devbios/programming.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/qemu/roms/openbios/utils/devbios/programming.h b/qemu/roms/openbios/utils/devbios/programming.h new file mode 100644 index 000000000..3ad104e86 --- /dev/null +++ b/qemu/roms/openbios/utils/devbios/programming.h @@ -0,0 +1,73 @@ +/* + * 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); + |