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d94d254262
Change-Id: I553e7fb5028f35e14a3a81b3fa8903c1b321a223 Signed-off-by: Ed Swierk <eswierk@skyportsystems.com> Reviewed-on: https://review.coreboot.org/20509 Reviewed-by: David Hendricks <david.hendricks@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
119 lines
5.2 KiB
C
119 lines
5.2 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2014 Boris Baykov
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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; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* JEDEC flash chips instructions for 4-bytes addressing
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* SPI chip driver functions for 4-bytes addressing
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*/
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#ifndef __SPI_4BA_H__
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#define __SPI_4BA_H__ 1
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/* Enter 4-byte Address Mode */
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#define JEDEC_ENTER_4_BYTE_ADDR_MODE 0xB7
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#define JEDEC_ENTER_4_BYTE_ADDR_MODE_OUTSIZE 0x01
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#define JEDEC_ENTER_4_BYTE_ADDR_MODE_INSIZE 0x00
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/* Exit 4-byte Address Mode */
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#define JEDEC_EXIT_4_BYTE_ADDR_MODE 0xE9
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#define JEDEC_EXIT_4_BYTE_ADDR_MODE_OUTSIZE 0x01
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#define JEDEC_EXIT_4_BYTE_ADDR_MODE_INSIZE 0x00
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/* Write Extended Address Register */
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#define JEDEC_WRITE_EXT_ADDR_REG 0xC5
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#define JEDEC_WRITE_EXT_ADDR_REG_OUTSIZE 0x02
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#define JEDEC_WRITE_EXT_ADDR_REG_INSIZE 0x00
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/* Read Extended Address Register */
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#define JEDEC_READ_EXT_ADDR_REG 0xC8
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#define JEDEC_READ_EXT_ADDR_REG_OUTSIZE 0x01
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#define JEDEC_READ_EXT_ADDR_REG_INSIZE 0x01
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/* Read the memory with 4-byte address
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From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
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#define JEDEC_READ_4BA 0x13
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#define JEDEC_READ_4BA_OUTSIZE 0x05
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/* JEDEC_READ_4BA_INSIZE : any length */
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/* Write memory byte with 4-byte address
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From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
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#define JEDEC_BYTE_PROGRAM_4BA 0x12
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#define JEDEC_BYTE_PROGRAM_4BA_OUTSIZE 0x06
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#define JEDEC_BYTE_PROGRAM_4BA_INSIZE 0x00
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/* Sector Erase 0x21 (with 4-byte address), usually 4k size.
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From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
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#define JEDEC_SE_4BA 0x21
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#define JEDEC_SE_4BA_OUTSIZE 0x05
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#define JEDEC_SE_4BA_INSIZE 0x00
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/* Block Erase 0x5C (with 4-byte address), usually 32k size.
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From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
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#define JEDEC_BE_5C_4BA 0x5C
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#define JEDEC_BE_5C_4BA_OUTSIZE 0x05
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#define JEDEC_BE_5C_4BA_INSIZE 0x00
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/* Block Erase 0xDC (with 4-byte address), usually 64k size.
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From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
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#define JEDEC_BE_DC_4BA 0xdc
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#define JEDEC_BE_DC_4BA_OUTSIZE 0x05
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#define JEDEC_BE_DC_4BA_INSIZE 0x00
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/* enter 4-bytes addressing mode */
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int spi_enter_4ba_b7(struct flashctx *flash);
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int spi_enter_4ba_b7_we(struct flashctx *flash);
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/* exit 4-bytes addressing mode */
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int spi_exit_4ba_e9(struct flashctx *flash);
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int spi_exit_4ba_e9_we(struct flashctx *flash);
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/* read/write flash bytes in 4-bytes addressing mode */
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int spi_byte_program_4ba(struct flashctx *flash, unsigned int addr, uint8_t databyte);
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int spi_nbyte_program_4ba(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len);
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int spi_nbyte_read_4ba(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len);
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/* erase flash bytes in 4-bytes addressing mode */
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int spi_block_erase_20_4ba(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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int spi_block_erase_52_4ba(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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int spi_block_erase_d8_4ba(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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/* read/write flash bytes from 3-bytes addressing mode using extended address register */
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int spi_byte_program_4ba_ereg(struct flashctx *flash, unsigned int addr, uint8_t databyte);
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int spi_nbyte_program_4ba_ereg(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len);
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int spi_nbyte_read_4ba_ereg(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len);
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/* erase flash bytes from 3-bytes addressing mode using extended address register */
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int spi_block_erase_20_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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int spi_block_erase_52_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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int spi_block_erase_d8_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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/* read/write flash bytes with 4-bytes address from any mode (3-byte or 4-byte) */
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int spi_byte_program_4ba_direct(struct flashctx *flash, unsigned int addr, uint8_t databyte);
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int spi_nbyte_program_4ba_direct(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len);
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int spi_nbyte_read_4ba_direct(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len);
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/* erase flash bytes with 4-bytes address from any mode (3-byte or 4-byte) */
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int spi_block_erase_21_4ba_direct(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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int spi_block_erase_5c_4ba_direct(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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int spi_block_erase_dc_4ba_direct(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
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#endif /* __SPI_4BA_H__ */
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