f9b0f7fd91
Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2769 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
100 lines
4.0 KiB
C
100 lines
4.0 KiB
C
/*
|
|
* This file is part of the flashrom project.
|
|
*
|
|
* Copyright (C) 2003 Niki W. Waibel <niki.waibel@gmx.net>
|
|
*
|
|
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef __MSYS_DOC_H__
|
|
#define __MSYS_DOC_H__ 1
|
|
|
|
/* idea from include/linux/mtd/doc2000.h */
|
|
/* registers with __ should not be read/written directly */
|
|
#define MSYSTEMS_DOC_R__ChipID 0x1000
|
|
#define MSYSTEMS_DOC_R__DOCStatus 0x1001
|
|
#define MSYSTEMS_DOC_W_DOCControl 0x1002
|
|
#define MSYSTEMS_DOC_R_FloorSelect 0x1003
|
|
#define MSYSTEMS_DOC_W_FloorSelect 0x1003
|
|
#define MSYSTEMS_DOC_R__CDSNControl 0x1004
|
|
#define MSYSTEMS_DOC_W__CDSNControl 0x1004
|
|
#define MSYSTEMS_DOC_R_CDSNDeviceSelect 0x1005
|
|
#define MSYSTEMS_DOC_W_CDSNDeviceSelect 0x1005
|
|
#define MSYSTEMS_DOC_R_ECCConfiguration 0x1006
|
|
#define MSYSTEMS_DOC_W_ECCConfiguration 0x1006
|
|
#define MSYSTEMS_DOC_R_CDSNSlowIO 0x100d
|
|
#define MSYSTEMS_DOC_W_CDSNSlowIO 0x100d
|
|
#define MSYSTEMS_DOC_R_ECCSyndrome0 0x1010
|
|
#define MSYSTEMS_DOC_R_ECCSyndrome1 0x1011
|
|
#define MSYSTEMS_DOC_R_ECCSyndrome2 0x1012
|
|
#define MSYSTEMS_DOC_R_ECCSyndrome3 0x1013
|
|
#define MSYSTEMS_DOC_R_ECCSyndrome4 0x1014
|
|
#define MSYSTEMS_DOC_R_ECCSyndrome5 0x1015
|
|
#define MSYSTEMS_DOC_R_AliasResolution 0x101b
|
|
#define MSYSTEMS_DOC_W_AliasResolution 0x101b
|
|
#define MSYSTEMS_DOC_R_ConfigurationInput 0x101c
|
|
#define MSYSTEMS_DOC_W_ConfigurationInput 0x101c
|
|
#define MSYSTEMS_DOC_R_ReadPipelineInitialization 0x101d
|
|
#define MSYSTEMS_DOC_W_WritePipelineTermination 0x101e
|
|
#define MSYSTEMS_DOC_R_LastDataRead 0x101f
|
|
#define MSYSTEMS_DOC_W_LastDataRead 0x101f
|
|
#define MSYSTEMS_DOC_R_NOP 0x1020
|
|
#define MSYSTEMS_DOC_W_NOP 0x1020
|
|
|
|
#define MSYSTEMS_DOC_R_IPL_0x0000 0x0000
|
|
#define MSYSTEMS_DOC_R_IPL_0x0001 0x0001
|
|
#define MSYSTEMS_DOC_R_IPL_0x0002 0x0002
|
|
#define MSYSTEMS_DOC_R_IPL_0x0003 0x0003
|
|
|
|
#define MSYSTEMS_DOC_R_CDSNIO_BASE 0x0800
|
|
#define MSYSTEMS_DOC_W_CDSNIO_BASE 0x0800
|
|
|
|
#define doc_read(base,reg) \
|
|
(*(volatile uint8_t *)(base + MSYSTEMS_DOC_R_##reg))
|
|
|
|
#define doc_read_nop(base) \
|
|
doc_read(base, NOP)
|
|
|
|
#define doc_read_2nop(base) \
|
|
{ doc_read_nop(base); doc_read_nop(base); }
|
|
|
|
#define doc_read_4nop(base) \
|
|
{ doc_read_2nop(base); doc_read_2nop(base); }
|
|
|
|
#define doc_write(data,base,reg) \
|
|
(*(volatile uint8_t *)(base + MSYSTEMS_DOC_W_##reg)) = data
|
|
|
|
#define doc_write_nop(base) \
|
|
doc_write(0, base, NOP)
|
|
|
|
#define doc_write_2nop(base) \
|
|
{ doc_write_nop(base); doc_write_nop(base); }
|
|
|
|
#define doc_write_4nop(base) \
|
|
{ doc_write_2nop(base); doc_write_2nop(base); }
|
|
|
|
#define _doc_busy(base) /* 0: ready; -1: busy */ \
|
|
( ((doc_read(base, _CDSNControl) & 0x80) >> 7) - 1)
|
|
|
|
#define doc_toggle(base) /* 0, 1, 0, 1, 0, 1, ... if a doc is present */ \
|
|
( (doc_read(base, ECCConfiguration) & 0x04) >> 2 )
|
|
|
|
int probe_md2802(struct flashchip *flash);
|
|
int read_md2802(struct flashchip *flash, uint8_t *buf);
|
|
int erase_md2802(struct flashchip *flash);
|
|
int write_md2802(struct flashchip *flash, uint8_t *buf);
|
|
|
|
#endif /* !__MSYS_DOC_H__ */
|