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- /*
- * This file is part of the flashrom project.
- *
- * Copyright (C) 2014 Boris Baykov
- *
- * 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
- */
- /*
- * JEDEC flash chips instructions for 4-bytes addressing
- * SPI chip driver functions for 4-bytes addressing
- */
- #ifndef __SPI_4BA_H__
- #define __SPI_4BA_H__ 1
- /* Enter 4-byte Address Mode */
- #define JEDEC_ENTER_4_BYTE_ADDR_MODE 0xB7
- #define JEDEC_ENTER_4_BYTE_ADDR_MODE_OUTSIZE 0x01
- #define JEDEC_ENTER_4_BYTE_ADDR_MODE_INSIZE 0x00
- /* Exit 4-byte Address Mode */
- #define JEDEC_EXIT_4_BYTE_ADDR_MODE 0xE9
- #define JEDEC_EXIT_4_BYTE_ADDR_MODE_OUTSIZE 0x01
- #define JEDEC_EXIT_4_BYTE_ADDR_MODE_INSIZE 0x00
- /* Write Extended Address Register */
- #define JEDEC_WRITE_EXT_ADDR_REG 0xC5
- #define JEDEC_WRITE_EXT_ADDR_REG_OUTSIZE 0x02
- #define JEDEC_WRITE_EXT_ADDR_REG_INSIZE 0x00
- /* Read Extended Address Register */
- #define JEDEC_READ_EXT_ADDR_REG 0xC8
- #define JEDEC_READ_EXT_ADDR_REG_OUTSIZE 0x01
- #define JEDEC_READ_EXT_ADDR_REG_INSIZE 0x01
- /* Read the memory with 4-byte address
- From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
- #define JEDEC_READ_4BA 0x13
- #define JEDEC_READ_4BA_OUTSIZE 0x05
- /* JEDEC_READ_4BA_INSIZE : any length */
- /* Write memory byte with 4-byte address
- From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
- #define JEDEC_BYTE_PROGRAM_4BA 0x12
- #define JEDEC_BYTE_PROGRAM_4BA_OUTSIZE 0x06
- #define JEDEC_BYTE_PROGRAM_4BA_INSIZE 0x00
- /* Sector Erase 0x21 (with 4-byte address), usually 4k size.
- From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
- #define JEDEC_SE_4BA 0x21
- #define JEDEC_SE_4BA_OUTSIZE 0x05
- #define JEDEC_SE_4BA_INSIZE 0x00
- /* Block Erase 0x5C (with 4-byte address), usually 32k size.
- From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
- #define JEDEC_BE_5C_4BA 0x5C
- #define JEDEC_BE_5C_4BA_OUTSIZE 0x05
- #define JEDEC_BE_5C_4BA_INSIZE 0x00
- /* Block Erase 0xDC (with 4-byte address), usually 64k size.
- From ANY mode (3-bytes or 4-bytes) it works with 4-byte address */
- #define JEDEC_BE_DC_4BA 0xdc
- #define JEDEC_BE_DC_4BA_OUTSIZE 0x05
- #define JEDEC_BE_DC_4BA_INSIZE 0x00
- /* enter 4-bytes addressing mode */
- int spi_enter_4ba_b7(struct flashctx *flash);
- int spi_enter_4ba_b7_we(struct flashctx *flash);
- /* read/write flash bytes in 4-bytes addressing mode */
- int spi_byte_program_4ba(struct flashctx *flash, unsigned int addr, uint8_t databyte);
- int spi_nbyte_program_4ba(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len);
- int spi_nbyte_read_4ba(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len);
- /* erase flash bytes in 4-bytes addressing mode */
- int spi_block_erase_20_4ba(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- int spi_block_erase_52_4ba(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- int spi_block_erase_d8_4ba(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- /* read/write flash bytes from 3-bytes addressing mode using extended address register */
- int spi_byte_program_4ba_ereg(struct flashctx *flash, unsigned int addr, uint8_t databyte);
- int spi_nbyte_program_4ba_ereg(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len);
- int spi_nbyte_read_4ba_ereg(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len);
- /* erase flash bytes from 3-bytes addressing mode using extended address register */
- int spi_block_erase_20_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- int spi_block_erase_52_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- int spi_block_erase_d8_4ba_ereg(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- /* read/write flash bytes with 4-bytes address from any mode (3-byte or 4-byte) */
- int spi_byte_program_4ba_direct(struct flashctx *flash, unsigned int addr, uint8_t databyte);
- int spi_nbyte_program_4ba_direct(struct flashctx *flash, unsigned int addr, const uint8_t *bytes, unsigned int len);
- int spi_nbyte_read_4ba_direct(struct flashctx *flash, unsigned int addr, uint8_t *bytes, unsigned int len);
- /* erase flash bytes with 4-bytes address from any mode (3-byte or 4-byte) */
- int spi_block_erase_21_4ba_direct(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- int spi_block_erase_5c_4ba_direct(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- int spi_block_erase_dc_4ba_direct(struct flashctx *flash, unsigned int addr, unsigned int blocklen);
- #endif /* __SPI_4BA_H__ */
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