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Annotation of qemu/roms/openbios/utils/devbios/programming.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  *                     OpenBIOS - free your system! 
                      3:  *              ( firmware/flash device driver for Linux )
                      4:  *                          
                      5:  *  programming.h - prototypes for flash device programming  
                      6:  *  
                      7:  *  This program is part of a free implementation of the IEEE 1275-1994 
                      8:  *  Standard for Boot (Initialization Configuration) Firmware.
                      9:  *
                     10:  *  Copyright (C) 1998-2004  Stefan Reinauer, <[email protected]>
                     11:  *
                     12:  *  This program is free software; you can redistribute it and/or modify
                     13:  *  it under the terms of the GNU General Public License as published by
                     14:  *  the Free Software Foundation; version 2 of the License.
                     15:  *
                     16:  *  This program is distributed in the hope that it will be useful,
                     17:  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18:  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19:  *  GNU General Public License for more details.
                     20:  *
                     21:  *  You should have received a copy of the GNU General Public License
                     22:  *  along with this program; if not, write to the Free Software
                     23:  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
                     24:  *
                     25:  */
                     26: 
                     27: /* Addresses */
                     28: #define ADDR_MANUFACTURER      0x0000
                     29: #define ADDR_DEVICE_ID         0x0001
                     30: #define ADDR_SECTOR_LOCK       0x0002
                     31: #define ADDR_HANDSHAKE         0x0003
                     32: 
                     33: #define ADDR_UNLOCK_1          0x5555
                     34: #define ADDR_UNLOCK_2          0x2AAA
                     35: #define ADDR_COMMAND           0x5555
                     36: 
                     37: /* Commands */
                     38: #define CMD_UNLOCK_DATA_1              0xAA
                     39: #define CMD_UNLOCK_DATA_2              0x55
                     40: #define CMD_MANUFACTURER_UNLOCK_DATA   0x90
                     41: #define CMD_UNLOCK_BYPASS_MODE         0x20
                     42: #define CMD_PROGRAM_UNLOCK_DATA                0xA0
                     43: #define CMD_RESET_DATA                 0xF0
                     44: #define CMD_SECTOR_ERASE_UNLOCK_DATA   0x80
                     45: #define CMD_SECTOR_ERASE_UNLOCK_DATA_2 0x30
                     46: #define CMD_ERASE_DATA                 0x10
                     47: #define CMD_UNLOCK_SECTOR              0x60
                     48: 
                     49: extern int flashcount;
                     50: 
                     51: void flash_command(unsigned char *addr, unsigned char command);
                     52: 
                     53: void flash_program (unsigned char *addr);
                     54: void flash_program_atmel (unsigned char *addr);
                     55: 
                     56: int  flash_ready_toggle (unsigned char *addr, unsigned int offset);
                     57: int  flash_ready_poll (unsigned char *addr, unsigned int offset, unsigned char data);
                     58: 
                     59: int  flash_erase (unsigned char *addr, unsigned int flashnum);
                     60: int  flash_erase_sectors (unsigned char *addr, unsigned int flashnum, 
                     61:                        unsigned int startsec, unsigned int endsec);
                     62: 
                     63: void iflash_program_byte  (unsigned char *addr, unsigned int offset, unsigned char data);
                     64: int  iflash_erase_sectors (unsigned char *addr, unsigned int flashnum, unsigned int startsec, unsigned int endsec);
                     65: 
                     66: unsigned char flash_readb(unsigned char *addr, unsigned int offset);
                     67: void flash_writeb(unsigned char *addr, unsigned int offset, unsigned char data);
                     68: 
                     69: 
                     70: int flash_probe_address(void *address);
                     71: void flash_probe_area(unsigned long romaddr, unsigned long romsize, 
                     72:                int map_always);
                     73: 

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