112 lines
2.4 KiB
C
112 lines
2.4 KiB
C
/*
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* flash.c
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*
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* flashing routines for BaS_gcc
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*
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* Created on: 19.12.2012
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* Author: mfro
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* The ACP Firebee project
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*
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* This file is part of BaS_gcc.
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*
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* BaS_gcc is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* BaS_gcc is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with BaS_gcc. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2012 M. Froeschle
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*/
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#include <stdint.h>
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void chip_erase(uint8_t *address)
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{
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* (volatile uint8_t *) (address + 0xaaa) = 0xaa;
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* (volatile uint8_t *) (address + 0x555) = 0x55;
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* (volatile uint8_t *) (address + 0xaaa) = 0x80;
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* (volatile uint8_t *) (address + 0xaaa) = 0xaa;
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* (volatile uint8_t *) (address + 0x555) = 0x55;
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* (volatile uint8_t *) (address + 0xaaa) = 0x10;
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}
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void sector_erase(uint8_t *address, uint16_t sector)
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{
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* (volatile uint8_t *) (address + 0xaaa) = 0xaa;
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* (volatile uint8_t *) (address + 0x555) = 0x55;
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* (volatile uint8_t *) (address + 0xaaa) = 0x80;
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* (volatile uint8_t *) (address + 0xaaa) = 0xaa;
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* (volatile uint8_t *) (address + 0x555) = 0x55;
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* (volatile uint8_t *) (address + sector) = 0x30;
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do {
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;
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} while (* (volatile uint32_t *) (address + sector) != 0xffffffff);
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}
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#ifdef _NOT_USED_
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* MX28LV640DB.alg
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bra lab0x5a
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move.w #0xaa,d0
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move.w d0,0xaaa(a5)
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move.w #0xff,d0
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move.w d0,0x554(a5)
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move.w #0x20,d0
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move.w d0,0xaaa(a5)
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lab0x1c:
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move.w #0xa0,d0
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move.w d0,(a5)
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moveq #0,d0
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move.w (a3),d0
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move.w d0,(a4)
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lab0x28:
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move.w (a4),d1
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andi.l #0xffff,d1
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cmp.l d1,d0
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bne.s lab0x28
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adda.l #2,a3
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adda.l #2,a4
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cmpa.l a2,a3
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blt.s lab0x1c
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move.w #0x90,d0
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move.w d0,(a5)
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move.w #0,d0
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move.w d0,(a5)
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lab0x50:
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nop
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nop
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halt
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nop
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bra.s lab0x50
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lab0x5a:
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move.w #0xaa,d0
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move.w d0,0xaaa(a5)
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move.w #0x55,d0
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move.w d0,0x554(a5)
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move.w #0x80,d0
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move.w d0,0xaaa(a5)
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move.w #0xaa,d0
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move.w d0,0xaaa(a5)
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move.w #0x55,d0
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move.w d0,0x554(a5)
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move.w #0x30,d0
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move.w d0,(a4)
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lab0x88:
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move.l (a4),d1
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move.l #-1,d0
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cmp.l d1,d0
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bne.s lab0x88
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nop
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nop
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halt
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nop
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#endif /* _NOT_USED_ */
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