diff options
| -rw-r--r-- | spi.c | 61 | ||||
| -rw-r--r-- | spi.h | 88 |
2 files changed, 89 insertions, 60 deletions
@@ -27,70 +27,11 @@ #include <stdint.h> #include <string.h> #include "flash.h" +#include "spi.h" #define ITE_SUPERIO_PORT1 0x2e #define ITE_SUPERIO_PORT2 0x4e -/* Read Electronic ID */ -#define JEDEC_RDID 0x9f -#define JEDEC_RDID_OUTSIZE 0x01 -#define JEDEC_RDID_INSIZE 0x03 - -/* Write Enable */ -#define JEDEC_WREN 0x06 -#define JEDEC_WREN_OUTSIZE 0x01 -#define JEDEC_WREN_INSIZE 0x00 - -/* Write Disable */ -#define JEDEC_WRDI 0x04 -#define JEDEC_WRDI_OUTSIZE 0x01 -#define JEDEC_WRDI_INSIZE 0x00 - -/* Chip Erase 0x60 is supported by Macronix/SST chips. */ -#define JEDEC_CE_60 0x60 -#define JEDEC_CE_60_OUTSIZE 0x01 -#define JEDEC_CE_60_INSIZE 0x00 - -/* Chip Erase 0xc7 is supported by ST/EON/Macronix chips. */ -#define JEDEC_CE_C7 0xc7 -#define JEDEC_CE_C7_OUTSIZE 0x01 -#define JEDEC_CE_C7_INSIZE 0x00 - -/* Block Erase 0x52 is supported by SST chips. */ -#define JEDEC_BE_52 0x52 -#define JEDEC_BE_52_OUTSIZE 0x04 -#define JEDEC_BE_52_INSIZE 0x00 - -/* Block Erase 0xd8 is supported by EON/Macronix chips. */ -#define JEDEC_BE_D8 0xd8 -#define JEDEC_BE_D8_OUTSIZE 0x04 -#define JEDEC_BE_D8_INSIZE 0x00 - -/* Sector Erase 0x20 is supported by Macronix/SST chips. */ -#define JEDEC_SE 0x20 -#define JEDEC_SE_OUTSIZE 0x04 -#define JEDEC_SE_INSIZE 0x00 - -/* Read Status Register */ -#define JEDEC_RDSR 0x05 -#define JEDEC_RDSR_OUTSIZE 0x01 -#define JEDEC_RDSR_INSIZE 0x01 -#define JEDEC_RDSR_BIT_WIP (0x01 << 0) - -/* Write Status Register */ -#define JEDEC_WRSR 0x01 -#define JEDEC_WRSR_OUTSIZE 0x02 -#define JEDEC_WRSR_INSIZE 0x00 - -/* Read the memory */ -#define JEDEC_READ 0x03 -#define JEDEC_READ_OUTSIZE 0x04 -/* JEDEC_READ_INSIZE : any length */ - -/* Write memory byte */ -#define JEDEC_BYTE_PROGRAM 0x02 -#define JEDEC_BYTE_PROGRAM_OUTSIZE 0x05 -#define JEDEC_BYTE_PROGRAM_INSIZE 0x00 uint16_t it8716f_flashport = 0; /* use fast 33MHz SPI (<>0) or slow 16MHz (0) */ @@ -0,0 +1,88 @@ +/* + * This file is part of the flashrom project. + * + * Copyright (C) 2007, 2008 Carl-Daniel Hailfinger + * + * 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; version 2 of the License. + * + * 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 __SPI_H__ +#define __SPI_H__ 1 + +/* + * Contains the generic SPI headers + */ + +/* Read Electronic ID */ +#define JEDEC_RDID 0x9f +#define JEDEC_RDID_OUTSIZE 0x01 +#define JEDEC_RDID_INSIZE 0x03 + +/* Write Enable */ +#define JEDEC_WREN 0x06 +#define JEDEC_WREN_OUTSIZE 0x01 +#define JEDEC_WREN_INSIZE 0x00 + +/* Write Disable */ +#define JEDEC_WRDI 0x04 +#define JEDEC_WRDI_OUTSIZE 0x01 +#define JEDEC_WRDI_INSIZE 0x00 + +/* Chip Erase 0x60 is supported by Macronix/SST chips. */ +#define JEDEC_CE_60 0x60 +#define JEDEC_CE_60_OUTSIZE 0x01 +#define JEDEC_CE_60_INSIZE 0x00 + +/* Chip Erase 0xc7 is supported by ST/EON/Macronix chips. */ +#define JEDEC_CE_C7 0xc7 +#define JEDEC_CE_C7_OUTSIZE 0x01 +#define JEDEC_CE_C7_INSIZE 0x00 + +/* Block Erase 0x52 is supported by SST chips. */ +#define JEDEC_BE_52 0x52 +#define JEDEC_BE_52_OUTSIZE 0x04 +#define JEDEC_BE_52_INSIZE 0x00 + +/* Block Erase 0xd8 is supported by EON/Macronix chips. */ +#define JEDEC_BE_D8 0xd8 +#define JEDEC_BE_D8_OUTSIZE 0x04 +#define JEDEC_BE_D8_INSIZE 0x00 + +/* Sector Erase 0x20 is supported by Macronix/SST chips. */ +#define JEDEC_SE 0x20 +#define JEDEC_SE_OUTSIZE 0x04 +#define JEDEC_SE_INSIZE 0x00 + +/* Read Status Register */ +#define JEDEC_RDSR 0x05 +#define JEDEC_RDSR_OUTSIZE 0x01 +#define JEDEC_RDSR_INSIZE 0x01 +#define JEDEC_RDSR_BIT_WIP (0x01 << 0) + +/* Write Status Register */ +#define JEDEC_WRSR 0x01 +#define JEDEC_WRSR_OUTSIZE 0x02 +#define JEDEC_WRSR_INSIZE 0x00 + +/* Read the memory */ +#define JEDEC_READ 0x03 +#define JEDEC_READ_OUTSIZE 0x04 +/* JEDEC_READ_INSIZE : any length */ + +/* Write memory byte */ +#define JEDEC_BYTE_PROGRAM 0x02 +#define JEDEC_BYTE_PROGRAM_OUTSIZE 0x05 +#define JEDEC_BYTE_PROGRAM_INSIZE 0x00 + +#endif /* !__SPI_H__ */ |
