/* * This file is part of the flashrom project. * * Copyright (C) 2000 Silicon Integrated System Corporation * Copyright (C) 2000 Ronald G. Minnich <rminnich@gmail.com> * Copyright (C) 2005-2007 coresystems GmbH <stepan@coresystems.de> * * 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 */ #ifndef __FLASH_H__ #define __FLASH_H__ 1 #if defined(__GLIBC__) #include <sys/io.h> #endif #include <unistd.h> #include <stdint.h> #include <stdio.h> #ifdef __FreeBSD__ #include <machine/cpufunc.h> #define off64_t off_t #define lseek64 lseek #define OUTB(x, y) do { u_int tmp = (y); outb(tmp, (x)); } while (0) #define OUTW(x, y) do { u_int tmp = (y); outw(tmp, (x)); } while (0) #define OUTL(x, y) do { u_int tmp = (y); outl(tmp, (x)); } while (0) #define INB(x) __extension__ ({ u_int tmp = (x); inb(tmp); }) #define INW(x) __extension__ ({ u_int tmp = (x); inw(tmp); }) #define INL(x) __extension__ ({ u_int tmp = (x); inl(tmp); }) #else #define OUTB outb #define OUTW outw #define OUTL outl #define INB inb #define INW inw #define INL inl #endif #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; /* Indicate if flashrom has been tested with this flash chip and if * everything worked correctly. */ uint32_t tested; 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; }; #define TEST_UNTESTED 0 #define TEST_OK_PROBE (1<<0) #define TEST_OK_READ (1<<1) #define TEST_OK_ERASE (1<<2) #define TEST_OK_WRITE (1<<3) #define TEST_OK_PR (TEST_OK_PROBE|TEST_OK_READ) #define TEST_OK_PREW (TEST_OK_PROBE|TEST_OK_READ|TEST_OK_ERASE|TEST_OK_WRITE) #define TEST_OK_MASK 0x0f #define TEST_BAD_PROBE (1<<4) #define TEST_BAD_READ (1<<5) #define TEST_BAD_ERASE (1<<6) #define TEST_BAD_WRITE (1<<7) #define TEST_BAD_MASK 0xf0 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 AMIC_ID_NOPREFIX 0x37 /* AMIC */ #define AMIC_A25L40P 0x2013 #define AMIC_A29002B 0x0d #define AMIC_A29002T 0x8c #define AMIC_A29040B 0x86 #define AMIC_A49LF040A 0x9d #define ASD_ID 0x25 /* ASD, not listed in JEP106W */ #define ASD_AE49F2008 0x52 #define ATMEL_ID 0x1F /* Atmel */ #define AT_25DF021 0x4300 #define AT_25DF041A 0x4401 #define AT_25DF081 0x4502 #define AT_25DF161 0x4602 #define AT_25DF321 0x4700 /* also 26DF321 */ #define AT_25DF321A 0x4701 #define AT_25DF641 0x4800 #define AT_26DF041 0x4400 #define AT_26DF081 0x4500 /* guessed, no datasheet available */ #define AT_26DF081A 0x4501 #define AT_26DF161 0x4600 #define AT_26DF161A 0x4601 #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 */ /* * MX25 chips are SPI, first byte of device ID is memory type, * second byte of device ID is log(bitsize)-9. * Generalplus SPI chips seem to be compatible with Macronix * and use the same set of IDs. */ #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_27SF512 0xA4 #define SST_27SF010 0xA5 #define SST_27SF020 0xA6 #define SST_27VF010 0xA9 #define SST_27VF020 0xAA #define SST_28SF040 0x04 #define SST_29EE512 0x5D #define SST_29EE010 0x07 #define SST_29LE010 0x08 /* also SST29VE010 */ #define SST_29EE020A 0x10 #define SST_29LE020 0x12 /* also SST29VE020 */ #define SST_29SF020 0x24 #define SST_29VF020 0x25 #define SST_29SF040 0x13 #define SST_29VF040 0x14 #define SST_39SF010 0xB5 #define SST_39SF020 0xB6 #define SST_39SF040 0xB7 #define SST_39VF512 0xD4 #define SST_39VF010 0xD5 #define SST_39VF020 0xD6 #define SST_39VF040 0xD7 #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_M25P40_RES 0x12 #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); typedef enum { BUS_TYPE_LPC, BUS_TYPE_ICH7_SPI, BUS_TYPE_ICH9_SPI, BUS_TYPE_IT87XX_SPI, BUS_TYPE_VIA_SPI } flashbus_t; extern flashbus_t flashbus; extern void *spibar; /* Physical memory mapping device */ #if defined (__sun) && (defined(__i386) || defined(__amd64)) # define MEM_DEV "/dev/xsvc" #else # define MEM_DEV "/dev/mem" #endif 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 force); 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_rdid(struct flashchip *flash); int probe_spi_rdid4(struct flashchip *flash); int probe_spi_res(struct flashchip *flash); int spi_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); void spi_write_enable(); void spi_write_disable(); int spi_chip_erase_c7(struct flashchip *flash); int spi_chip_write(struct flashchip *flash, uint8_t *buf); int spi_chip_read(struct flashchip *flash, uint8_t *buf); uint8_t spi_read_status_register(); void spi_disable_blockprotect(void); void spi_byte_program(int address, uint8_t byte); void spi_nbyte_read(int address, uint8_t *bytes, int len); /* 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); /* ichspi.c */ int ich_spi_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); int ich_spi_read(struct flashchip *flash, uint8_t * buf); int ich_spi_write(struct flashchip *flash, uint8_t * buf); /* it87spi.c */ extern uint16_t it8716f_flashport; int it87xx_probe_spi_flash(const char *name); int it8716f_spi_command(unsigned int writecnt, unsigned int readcnt, const unsigned char *writearr, unsigned char *readarr); int it8716f_spi_chip_read(struct flashchip *flash, uint8_t *buf); int it8716f_spi_chip_write(struct flashchip *flash, uint8_t *buf); /* jedec.c */ uint8_t oddparity(uint8_t val); 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); /* pm49fl00x.c */ int probe_49fl00x(struct flashchip *flash); int erase_49fl00x(struct flashchip *flash); int write_49fl00x(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); /* w39v040c.c */ int probe_w39v040c(struct flashchip *flash); int erase_w39v040c(struct flashchip *flash); int write_w39v040c(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); /* stm50flw0x0x.c */ int probe_stm50flw0x0x(struct flashchip *flash); int erase_stm50flw0x0x(struct flashchip *flash); int write_stm50flw0x0x(struct flashchip *flash, uint8_t *buf); #endif /* !__FLASH_H__ */