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* This file is part of the flashrom project.
* Copyright (C) 2000 Silicon Integrated System Corporation
* Copyright (C) 2000 Ronald G. Minnich <>
* Copyright (C) 2005-2007 coresystems GmbH <>
* 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
* 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 __FLASH_H__
#define __FLASH_H__ 1
#if defined(__GLIBC__)
#include <sys/io.h>
#include <unistd.h>
#include <stdint.h>
#include <stdio.h>
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
struct flashchip {
const char *vendor;
const char *name;
/* With 32bit manufacture_id and model_id we can cover IDs up to
* (including) the 4th bank of JEDEC JEP106W Standard Manufacturer's
* Identification code.
uint32_t manufacture_id;
uint32_t model_id;
int total_size;
int page_size;
int (*probe) (struct flashchip *flash);
int (*erase) (struct flashchip *flash);
int (*write) (struct flashchip *flash, uint8_t *buf);
int (*read) (struct flashchip *flash, uint8_t *buf);
/* Some flash devices have an additional register space. */
volatile uint8_t *virtual_memory;
volatile uint8_t *virtual_registers;
extern struct flashchip flashchips[];
* Please keep this list sorted alphabetically by manufacturer. The first
* entry of each section should be the manufacturer ID, followed by the
* list of devices from that manufacturer (sorted by device IDs).
* All LPC/FWH parts (parallel flash) have 8-bit device IDs if there is no
* continuation code.
* All SPI parts have 16-bit device IDs.
#define GENERIC_DEVICE_ID 0xffff /* Only match the vendor ID */
#define ALLIANCE_ID 0x52 /* Alliance Semiconductor */
#define AMD_ID 0x01 /* AMD */
#define AM_29F040B 0xA4
#define AM_29LV040B 0x4F
#define AM_29F016D 0xAD
#define AMIC_ID 0x7F37 /* AMIC */
#define ASD_ID 0x25 /* ASD, not listed in JEP106W */
#define ASD_AE49F2008 0x52
#define ATMEL_ID 0x1F /* Atmel */
#define AT_29C040A 0xA4
#define AT_29C020 0xDA
#define AT_49F002N 0x07 /* for AT49F002(N) */
#define AT_49F002NT 0x08 /* for AT49F002(N)T */
#define CATALYST_ID 0x31 /* Catalyst */
#define EMST_ID 0x8C /* EMST / EFST Elite Flash Storage*/
#define EMST_F49B002UA 0x00
* EN25 chips are SPI, first byte of device ID is memory type,
* second byte of device ID is log(bitsize)-9.
* Vendor and device ID of EN29 series are both prefixed with 0x7F, which
* is the continuation code for IDs in bank 2.
* Vendor ID of EN25 series is NOT prefixed with 0x7F, this results in
* a collision with Mitsubishi. Mitsubishi once manufactured flash chips.
* Let's hope they are not manufacturing SPI flash chips as well.
#define EON_ID 0x7F1C /* EON Silicon Devices */
#define EON_ID_NOPREFIX 0x1C /* EON, missing 0x7F prefix */
#define EN_25B05 0x2010 /* 2^19 kbit or 2^16 kByte */
#define EN_25B10 0x2011
#define EN_25B20 0x2012
#define EN_25B40 0x2013
#define EN_25B80 0x2014
#define EN_25B16 0x2015
#define EN_25B32 0x2016
#define EN_29F512 0x7F21
#define EN_29F010 0x7F20
#define EN_29F040A 0x7F04
#define EN_29LV010 0x7F6E
#define EN_29LV040A 0x7F4F /* EN_29LV040(A) */
#define EN_29F002T 0x7F92
#define EN_29F002B 0x7F97
#define FUJITSU_ID 0x04 /* Fujitsu */
/* MBM29F400TC_STRANGE has a value not mentioned in the data sheet and we
* try to read it from a location not mentioned in the data sheet.
#define MBM29F400TC_STRANGE 0x23
#define MBM29F400BC 0x7B
#define MBM29F400TC 0x77
#define HYUNDAI_ID 0xAD /* Hyundai */
#define IMT_ID 0x7F1F /* Integrated Memory Technologies */
#define IM_29F004B 0xAE
#define IM_29F004T 0xAF
#define INTEL_ID 0x89 /* Intel */
#define ISSI_ID 0xD5 /* ISSI Integrated Silicon Solutions */
#define MSYSTEMS_ID 0x156F /* M-Systems, not listed in JEP106W */
#define MSYSTEMS_MD2200 0xDB
#define MSYSTEMS_MD2800 0x30 /* hmm -- both 0x30 */
#define MSYSTEMS_MD2802 0x30 /* hmm -- both 0x30 */
* MX25 chips are SPI, first byte of device ID is memory type,
* second byte of device ID is log(bitsize)-9.
#define MX_ID 0xC2 /* Macronix (MX) */
#define MX_25L512 0x2010 /* 2^19 kbit or 2^16 kByte */
#define MX_25L1005 0x2011
#define MX_25L2005 0x2012
#define MX_25L4005 0x2013 /* MX25L4005{,A} */
#define MX_25L8005 0x2014
#define MX_25L1605 0x2015 /* MX25L1605{,A,D} */
#define MX_25L3205 0x2016 /* MX25L3205{,A} */
#define MX_25L6405 0x2017 /* MX25L3205{,D} */
#define MX_25L1635D 0x2415
#define MX_25L3235D 0x2416
#define MX_29F002 0xB0
/* Programmable Micro Corp is listed in JEP106W in bank 2, so it should have
* a 0x7F continuation code prefix.
#define PMC_ID 0x7F9D /* PMC */
#define PMC_ID_NOPREFIX 0x9D /* PMC, missing 0x7F prefix */
#define PMC_25LV512 0x7B
#define PMC_25LV010 0x7C
#define PMC_25LV020 0x7D
#define PMC_25LV040 0x7E
#define PMC_25LV080B 0x13
#define PMC_25LV016B 0x14
#define PMC_39LV512 0x1B
#define PMC_39F010 0x1C /* also Pm39LV010 */
#define PMC_39LV020 0x3D
#define PMC_39LV040 0x3E
#define PMC_39F020 0x4D
#define PMC_39F040 0x4E
#define PMC_49FL002 0x6D
#define PMC_49FL004 0x6E
#define SHARP_ID 0xB0 /* Sharp */
#define SHARP_LHF00L04 0xCF
* Spansion was previously a joint venture of AMD and Fujitsu.
* S25 chips are SPI. The first device ID byte is memory type and
* the second device ID byte is memory capacity.
#define SPANSION_ID 0x01 /* Spansion */
#define SPANSION_S25FL016A 0x0214
* SST25 chips are SPI, first byte of device ID is memory type, second
* byte of device ID is related to log(bitsize) at least for some chips.
#define SST_ID 0xBF /* SST */
#define SST_25WF512 0x2501
#define SST_25WF010 0x2502
#define SST_25WF020 0x2503
#define SST_25WF040 0x2504
#define SST_25VF016B 0x2541
#define SST_25VF032B 0x254A
#define SST_25VF040B 0x258D
#define SST_25VF080B 0x258E
#define SST_29EE020A 0x10
#define SST_28SF040 0x04
#define SST_39SF010 0xB5
#define SST_39SF020 0xB6
#define SST_39SF040 0xB7
#define SST_39VF020 0xD6
#define SST_49LF040B 0x50
#define SST_49LF040 0x51
#define SST_49LF020A 0x52
#define SST_49LF080A 0x5B
#define SST_49LF002A 0x57
#define SST_49LF003A 0x1B
#define SST_49LF004A 0x60
#define SST_49LF008A 0x5A
#define SST_49LF004C 0x54
#define SST_49LF008C 0x59
#define SST_49LF016C 0x5C
#define SST_49LF160C 0x4C
* ST25P chips are SPI, first byte of device ID is memory type, second
* byte of device ID is related to log(bitsize) at least for some chips.
#define ST_ID 0x20 /* ST / SGS/Thomson */
#define ST_M25P05A 0x2010
#define ST_M25P10A 0x2011
#define ST_M25P20 0x2012
#define ST_M25P40 0x2013
#define ST_M25P80 0x2014
#define ST_M25P16 0x2015
#define ST_M25P32 0x2016
#define ST_M25P64 0x2017
#define ST_M25P128 0x2018
#define ST_M50FLW040A 0x08
#define ST_M50FLW040B 0x28
#define ST_M50FLW080A 0x80
#define ST_M50FLW080B 0x81
#define ST_M50FW040 0x2C
#define ST_M50FW080 0x2D
#define ST_M50FW016 0x2E
#define ST_M50LPW116 0x30
#define ST_M29F002B 0x34
#define ST_M29F002T 0xB0 /* M29F002T / M29F002NT */
#define ST_M29F400BT 0xD5
#define ST_M29F040B 0xE2
#define ST_M29W010B 0x23
#define ST_M29W040B 0xE3
#define SYNCMOS_ID 0x40 /* SyncMOS and Mosel Vitelic */
#define S29C51001T 0x01
#define S29C51002T 0x02
#define S29C51004T 0x03
#define S29C31004T 0x63
#define TI_ID 0x97 /* Texas Instruments */
* W25X chips are SPI, first byte of device ID is memory type, second
* byte of device ID is related to log(bitsize).
#define WINBOND_ID 0xDA /* Winbond */
#define WINBOND_NEX_ID 0xEF /* Winbond (ex Nexcom) serial flash devices */
#define W_25X10 0x3011
#define W_25X20 0x3012
#define W_25X40 0x3013
#define W_25X80 0x3014
#define W_29C011 0xC1
#define W_29C020C 0x45
#define W_29C040P 0x46
#define W_29EE011 0xC1
#define W_39V040FA 0x34
#define W_39V040A 0x3D
#define W_39V040B 0x54
#define W_39V080A 0xD0
#define W_39V080FA 0xD3
#define W_39V080FA_DM 0x93
#define W_49F002U 0x0B
#define W_49V002A 0xB0
#define W_49V002FA 0x32
/* udelay.c */
void myusec_delay(int time);
void myusec_calibrate_delay();
/* PCI handling for board/chipset_enable */
struct pci_access *pacc;
struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device);
struct pci_dev *pci_card_find(uint16_t vendor, uint16_t device,
uint16_t card_vendor, uint16_t card_device);
/* board_enable.c */
int board_flash_enable(const char *vendor, const char *part);
void print_supported_boards(void);
/* chipset_enable.c */
int chipset_flash_enable(void);
void print_supported_chipsets(void);
/* Physical memory mapping device */
#if defined (__sun) && (defined(__i386) || defined(__amd64))
# define MEM_DEV "/dev/xsvc"
# define MEM_DEV "/dev/mem"
extern int fd_mem;
/* debug.c */
extern int verbose;
#define printf_debug(x...) { if (verbose) printf(x); }
/* flashrom.c */
int map_flash_registers(struct flashchip *flash);
/* layout.c */
int show_id(uint8_t *bios, int size);
int read_romlayout(char *name);
int find_romentry(char *name);
int handle_romentries(uint8_t *buffer, uint8_t *content);
/* lbtable.c */
int coreboot_init(void);
extern char *lb_part, *lb_vendor;
/* spi.c */
int probe_spi(struct flashchip *flash);
int it87xx_probe_spi_flash(const char *name);
int generic_spi_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr);
void generic_spi_write_enable();
void generic_spi_write_disable();
int generic_spi_chip_erase_c7(struct flashchip *flash);
int generic_spi_chip_write(struct flashchip *flash, uint8_t *buf);
int generic_spi_chip_read(struct flashchip *flash, uint8_t *buf);
/* 82802ab.c */
int probe_82802ab(struct flashchip *flash);
int erase_82802ab(struct flashchip *flash);
int write_82802ab(struct flashchip *flash, uint8_t *buf);
/* am29f040b.c */
int probe_29f040b(struct flashchip *flash);
int erase_29f040b(struct flashchip *flash);
int write_29f040b(struct flashchip *flash, uint8_t *buf);
/* jedec.c */
void toggle_ready_jedec(volatile uint8_t *dst);
void data_polling_jedec(volatile uint8_t *dst, uint8_t data);
void unprotect_jedec(volatile uint8_t *bios);
void protect_jedec(volatile uint8_t *bios);
int write_byte_program_jedec(volatile uint8_t *bios, uint8_t *src,
volatile uint8_t *dst);
int probe_jedec(struct flashchip *flash);
int erase_chip_jedec(struct flashchip *flash);
int write_jedec(struct flashchip *flash, uint8_t *buf);
int erase_sector_jedec(volatile uint8_t *bios, unsigned int page);
int erase_block_jedec(volatile uint8_t *bios, unsigned int page);
int write_sector_jedec(volatile uint8_t *bios, uint8_t *src,
volatile uint8_t *dst, unsigned int page_size);
/* m29f400bt.c */
int probe_m29f400bt(struct flashchip *flash);
int erase_m29f400bt(struct flashchip *flash);
int block_erase_m29f400bt(volatile uint8_t *bios,
volatile uint8_t *dst);
int write_m29f400bt(struct flashchip *flash, uint8_t *buf);
int write_coreboot_m29f400bt(struct flashchip *flash, uint8_t *buf);
void toggle_ready_m29f400bt(volatile uint8_t *dst);
void data_polling_m29f400bt(volatile uint8_t *dst, uint8_t data);
void protect_m29f400bt(volatile uint8_t *bios);
void write_page_m29f400bt(volatile uint8_t *bios, uint8_t *src,
volatile uint8_t *dst, int page_size);
/* mx29f002.c */
int probe_29f002(struct flashchip *flash);
int erase_29f002(struct flashchip *flash);
int write_29f002(struct flashchip *flash, uint8_t *buf);
/* pm49fl004.c */
int probe_49fl004(struct flashchip *flash);
int erase_49fl004(struct flashchip *flash);
int write_49fl004(struct flashchip *flash, uint8_t *buf);
/* sharplhf00l04.c */
int probe_lhf00l04(struct flashchip *flash);
int erase_lhf00l04(struct flashchip *flash);
int write_lhf00l04(struct flashchip *flash, uint8_t *buf);
void toggle_ready_lhf00l04(volatile uint8_t *dst);
void data_polling_lhf00l04(volatile uint8_t *dst, uint8_t data);
void protect_lhf00l04(volatile uint8_t *bios);
/* sst28sf040.c */
int probe_28sf040(struct flashchip *flash);
int erase_28sf040(struct flashchip *flash);
int write_28sf040(struct flashchip *flash, uint8_t *buf);
/* sst39sf020.c */
int probe_39sf020(struct flashchip *flash);
int write_39sf020(struct flashchip *flash, uint8_t *buf);
/* sst49lf040.c */
int erase_49lf040(struct flashchip *flash);
int write_49lf040(struct flashchip *flash, uint8_t *buf);
/* sst49lfxxxc.c */
int probe_49lfxxxc(struct flashchip *flash);
int erase_49lfxxxc(struct flashchip *flash);
int write_49lfxxxc(struct flashchip *flash, uint8_t *buf);
/* sst_fwhub.c */
int probe_sst_fwhub(struct flashchip *flash);
int erase_sst_fwhub(struct flashchip *flash);
int write_sst_fwhub(struct flashchip *flash, uint8_t *buf);
/* w39V080fa.c */
int probe_winbond_fwhub(struct flashchip *flash);
int erase_winbond_fwhub(struct flashchip *flash);
int write_winbond_fwhub(struct flashchip *flash, uint8_t *buf);
/* w29ee011.c */
int probe_w29ee011(struct flashchip *flash);
/* w49f002u.c */
int write_49f002(struct flashchip *flash, uint8_t *buf);
#endif /* !__FLASH_H__ */