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/*
dev_flash_am29.h - skyeye AMD Am29LV160B flash simulation
Copyright (C) 2007 Skyeye Develop Group
for help please send mail to <skyeye-developer@lists.gro.clinux.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; 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __DEV_FLASH_AM29_H_
#define __DEV_FLASH_AM29_H_
#include <stdint.h>
struct flash_am29_bus {
uint32_t addr;
uint32_t data;
};
struct flash_am29_io;
typedef void (*flash_am29_bautoselect_func)(struct flash_am29_io*, uint32_t, uint8_t*);
typedef void (*flash_am29_wautoselect_func)(struct flash_am29_io*, uint32_t, uint16_t*);
struct flash_am29_io {
char type[MAX_STR_NAME];
int bcnt;
int n_bbus;
struct flash_am29_bus bbus[6];
int wcnt;
int n_wbus;
struct flash_am29_bus wbus[6];
uint16_t *query;
int max_query;
flash_am29_bautoselect_func bautoselect;
flash_am29_wautoselect_func wautoselect;
uint32_t chip_size;
uint32_t sector_size;
int dump_cnt;
int dump_flags;
};
#define CMD_BCHECK(io, n, o, v) \
(io->bbus[n].addr == o && io->bbus[n].data == v)
#define CMD_WCHECK(io, n, o, v) \
(io->wbus[n].addr == o && io->wbus[n].data == v)
#define CMD_BYTE_PROGRAM(io) \
(io->bcnt == 3 && \
CMD_BCHECK(io, 0, 0xaaa, 0xaa) && \
CMD_BCHECK(io, 1, 0x555, 0x55) && \
CMD_BCHECK(io, 2, 0xaaa, 0xa0))
#define CMD_WORD_PROGRAM(io) \
(io->wcnt == 3 && \
CMD_WCHECK(io, 0, 0x555, 0xaa) && \
CMD_WCHECK(io, 1, 0x2aa, 0x55) && \
CMD_WCHECK(io, 2, 0x555, 0xa0))
#define CMD_BYTE_ERASE(io) \
(io->bcnt == 5 && \
CMD_BCHECK(io, 0, 0xaaa, 0xaa) && \
CMD_BCHECK(io, 1, 0x555, 0x55) && \
CMD_BCHECK(io, 2, 0xaaa, 0x80) && \
CMD_BCHECK(io, 3, 0xaaa, 0xaa) && \
CMD_BCHECK(io, 4, 0x555, 0x55))
#define CMD_WORD_ERASE(io) \
(io->wcnt == 5 && \
CMD_WCHECK(io, 0, 0x555, 0xaa) && \
CMD_WCHECK(io, 1, 0x2aa, 0x55) && \
CMD_WCHECK(io, 2, 0x555, 0x80) && \
CMD_WCHECK(io, 3, 0x555, 0xaa) && \
CMD_WCHECK(io, 4, 0x2aa, 0x55))
#define CMD_BYTE_AUTOSELCT(io) \
(io->bcnt == 3 && \
CMD_BCHECK(io, 0, 0xaaa, 0xaa) && \
CMD_BCHECK(io, 1, 0x555, 0x55) && \
CMD_BCHECK(io, 2, 0xaaa, 0x90))
#define CMD_WORD_AUTOSELCT(io) \
(io->wcnt == 3 && \
CMD_WCHECK(io, 0, 0x555, 0xaa) && \
CMD_WCHECK(io, 1, 0x2aa, 0x55) && \
CMD_WCHECK(io, 2, 0x555, 0x90))
#define CMD_BYTE_QUERY(io) \
(io->bcnt == 1 && \
CMD_BCHECK(io, 0, 0xaa, 0x98))
#define CMD_WORD_QUERY(io) \
(io->wcnt == 1 && \
CMD_WCHECK(io, 0, 0x55, 0x98))
#define CMD_BYTE_UNLOCK_BYPASS(io) \
(io->bcnt == 3 && \
CMD_BCHECK(io, 0, 0xaaa, 0xaa) && \
CMD_BCHECK(io, 1, 0x555, 0x55) && \
CMD_BCHECK(io, 2, 0xaaa, 0x20))
#define CMD_WORD_UNLOCK_BYPASS(io) \
(io->wcnt == 3 && \
CMD_WCHECK(io, 0, 0x555, 0xaa) && \
CMD_WCHECK(io, 1, 0x2aa, 0x55) && \
CMD_WCHECK(io, 2, 0x555, 0x20))
#define CMD_BYTE_UNLOCK_BYPASS_PROGRAM_RESET(io) \
(io->bcnt == 2 && \
io->bbus[0].data == 0xa0 || \
io->bbus[0].data == 0x90)
#define CMD_WORD_UNLOCK_BYPASS_PROGRAM_RESET(io) \
(io->wcnt == 2 && \
io->wbus[0].data == 0xa0 || \
io->wbus[0].data == 0x90)
#endif /* __DEV_FLASH_AM29_H_ */
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