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Diffstat (limited to 'src/flash/nor/cfi.h')
| -rw-r--r-- | src/flash/nor/cfi.h | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/flash/nor/cfi.h b/src/flash/nor/cfi.h new file mode 100644 index 00000000..d55fd34e --- /dev/null +++ b/src/flash/nor/cfi.h @@ -0,0 +1,164 @@ +/*************************************************************************** + * Copyright (C) 2005 by Dominic Rath * + * Dominic.Rath@gmx.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., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ +#ifndef CFI_H +#define CFI_H + +#include "flash.h" + +#define CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7 0xE0 /* DQ5..DQ7 */ +#define CFI_STATUS_POLL_MASK_DQ6_DQ7 0xC0 /* DQ6..DQ7 */ + +struct cfi_flash_bank +{ + struct working_area *write_algorithm; + + int x16_as_x8; + int jedec_probe; + int not_cfi; + int probed; + + uint16_t manufacturer; + uint16_t device_id; + + char qry[3]; + + /* identification string */ + uint16_t pri_id; + uint16_t pri_addr; + uint16_t alt_id; + uint16_t alt_addr; + + /* device-system interface */ + uint8_t vcc_min; + uint8_t vcc_max; + uint8_t vpp_min; + uint8_t vpp_max; + uint8_t word_write_timeout_typ; + uint8_t buf_write_timeout_typ; + uint8_t block_erase_timeout_typ; + uint8_t chip_erase_timeout_typ; + uint8_t word_write_timeout_max; + uint8_t buf_write_timeout_max; + uint8_t block_erase_timeout_max; + uint8_t chip_erase_timeout_max; + + uint8_t status_poll_mask; + + /* flash geometry */ + uint32_t dev_size; + uint16_t interface_desc; + uint16_t max_buf_write_size; + uint8_t num_erase_regions; + uint32_t *erase_region_info; + + void *pri_ext; + void *alt_ext; +}; + +/* Intel primary extended query table + * as defined for the Advanced+ Boot Block Flash Memory (C3) + * and used by the linux kernel cfi driver (as of 2.6.14) + */ +struct cfi_intel_pri_ext +{ + char pri[3]; + uint8_t major_version; + uint8_t minor_version; + uint32_t feature_support; + uint8_t suspend_cmd_support; + uint16_t blk_status_reg_mask; + uint8_t vcc_optimal; + uint8_t vpp_optimal; + uint8_t num_protection_fields; + uint16_t prot_reg_addr; + uint8_t fact_prot_reg_size; + uint8_t user_prot_reg_size; + uint8_t extra[0]; +}; + +/* Spansion primary extended query table as defined for and used by + * the linux kernel cfi driver (as of 2.6.15) + */ +struct cfi_spansion_pri_ext +{ + uint8_t pri[3]; + uint8_t major_version; + uint8_t minor_version; + uint8_t SiliconRevision; /* bits 1-0: Address Sensitive Unlock */ + uint8_t EraseSuspend; + uint8_t BlkProt; + uint8_t TmpBlkUnprotect; + uint8_t BlkProtUnprot; + uint8_t SimultaneousOps; + uint8_t BurstMode; + uint8_t PageMode; + uint8_t VppMin; + uint8_t VppMax; + uint8_t TopBottom; + int _reversed_geometry; + uint32_t _unlock1; + uint32_t _unlock2; +}; + +/* Atmel primary extended query table as defined for and used by + * the linux kernel cfi driver (as of 2.6.20+) + */ +struct cfi_atmel_pri_ext +{ + uint8_t pri[3]; + uint8_t major_version; + uint8_t minor_version; + uint8_t features; + uint8_t bottom_boot; + uint8_t burst_mode; + uint8_t page_mode; +}; + +enum { + CFI_UNLOCK_555_2AA, + CFI_UNLOCK_5555_2AAA, +}; + +struct cfi_unlock_addresses +{ + uint32_t unlock1; + uint32_t unlock2; +}; + +struct cfi_fixup +{ + uint16_t mfr; + uint16_t id; + void (*fixup)(struct flash_bank *flash, void *param); + void *param; +}; + +#define CFI_MFR_AMD 0x0001 +#define CFI_MFR_FUJITSU 0x0004 +#define CFI_MFR_ATMEL 0x001F +#define CFI_MFR_ST 0x0020 /* STMicroelectronics */ +#define CFI_MFR_AMIC 0x0037 +#define CFI_MFR_SST 0x00BF +#define CFI_MFR_MX 0x00C2 + +#define CFI_MFR_ANY 0xffff +#define CFI_ID_ANY 0xffff + +#endif /* CFI_H */ |