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https://github.com/LIV2/CIDER-Software.git
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Matt Harlum
618089c795
Using the "UNLOCK BYPASS" commands for the flash it takes half as many cycles to program each word Also bump the task priority and enable compiler optimization
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* This file is part of cflash
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* Copyright (C) 2023 Matthew Harlum <matt@harlum.net>
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*
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* This program 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; version 2.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the 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 this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef KICK_FLASH_CONSTANTS_H
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#define KICK_FLASH_CONSTANTS_H
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// Micron 29F160
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#define FLASH_MANUF 0x0001
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#define FLASH_DEV_TOP 0x22D2
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#define FLASH_DEV_BOTTOM 0x22D8
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#define BLOCK_SIZE 0x010000
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#define BANK_SIZE 0x080000
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#define BANK_SECTORS (BANK_SIZE / SECTOR_SIZE)
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#define FLASH_SIZE 0x100000
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#define FLASHBASE 0xA00000
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// Command addresses left-shifted because Flash A0 = CPU A1
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#define ADDR_CMD_STEP_1 (0x555 << 1)
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#define ADDR_CMD_STEP_2 (0x2AA << 1)
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#define CMD_SDP_STEP_1 0xAA
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#define CMD_SDP_STEP_2 0x55
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#define CMD_WORD_PROGRAM 0xA0
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#define CMD_ERASE 0x80
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#define CMD_ERASE_BLOCK 0x30
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#define CMD_ERASE_CHIP 0x10
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#define CMD_ID_ENTRY 0x90
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#define CMD_CFI_ENTRY 0x98
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#define CMD_CFI_ID_EXIT 0xF0
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#define CMD_READ_RESET 0xF0
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#define CMD_UNLOCK_BYPASS 0x20
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#define CMD_UNLOCK_BYPASS_PROGRAM 0xA0
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#define CMD_UNLOCK_BYPASS_RESET 0x90
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#endif |