diff options
Diffstat (limited to 'util/flashrom/msys_doc.h')
| -rw-r--r-- | util/flashrom/msys_doc.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/util/flashrom/msys_doc.h b/util/flashrom/msys_doc.h new file mode 100644 index 0000000000..3e2028b44b --- /dev/null +++ b/util/flashrom/msys_doc.h @@ -0,0 +1,110 @@ +/* + * msys_doc.h: header file of msys_doc.c + * + * + * Copyright 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., 675 Mass Ave, Cambridge, MA 02139, 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 unsigned char *)(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 unsigned char *)(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 ) + + + +extern int probe_md2802(struct flashchip *flash); +extern int read_md2802(struct flashchip *flash, unsigned char *buf); +extern int erase_md2802(struct flashchip *flash); +extern int write_md2802(struct flashchip *flash, unsigned char *buf); + + + +#endif /* !__MSYS_DOC_H__ */ |