| /* |
| * 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. |
| * |
| */ |
| |
| /* |
| * 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); |
| |
| /* exit 4-bytes addressing mode */ |
| int spi_exit_4ba_e9(struct flashctx *flash); |
| int spi_exit_4ba_e9_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__ */ |
