163 lines
4.5 KiB
C
163 lines
4.5 KiB
C
/***************************************************************************
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* Copyright (C) 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
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***************************************************************************/
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#ifndef CFI_H
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#define CFI_H
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#define CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7 0xE0 /* DQ5..DQ7 */
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#define CFI_STATUS_POLL_MASK_DQ6_DQ7 0xC0 /* DQ6..DQ7 */
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struct cfi_flash_bank {
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int x16_as_x8;
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int jedec_probe;
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int not_cfi;
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int probed;
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uint16_t manufacturer;
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uint16_t device_id;
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uint8_t qry[3];
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/* identification string */
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uint16_t pri_id;
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uint16_t pri_addr;
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uint16_t alt_id;
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uint16_t alt_addr;
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/* device-system interface */
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uint8_t vcc_min;
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uint8_t vcc_max;
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uint8_t vpp_min;
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uint8_t vpp_max;
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uint8_t word_write_timeout_typ;
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uint8_t buf_write_timeout_typ;
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uint8_t block_erase_timeout_typ;
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uint8_t chip_erase_timeout_typ;
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uint8_t word_write_timeout_max;
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uint8_t buf_write_timeout_max;
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uint8_t block_erase_timeout_max;
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uint8_t chip_erase_timeout_max;
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uint8_t status_poll_mask;
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/* flash geometry */
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uint32_t dev_size;
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uint16_t interface_desc;
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uint16_t max_buf_write_size;
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uint8_t num_erase_regions;
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uint32_t *erase_region_info;
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void *pri_ext;
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void *alt_ext;
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/* calculated timeouts */
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unsigned word_write_timeout;
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unsigned buf_write_timeout;
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unsigned block_erase_timeout;
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unsigned chip_erase_timeout;
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};
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/* Intel primary extended query table
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* as defined for the Advanced+ Boot Block Flash Memory (C3)
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* and used by the linux kernel cfi driver (as of 2.6.14)
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*/
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struct cfi_intel_pri_ext {
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uint8_t pri[3];
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uint8_t major_version;
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uint8_t minor_version;
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uint32_t feature_support;
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uint8_t suspend_cmd_support;
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uint16_t blk_status_reg_mask;
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uint8_t vcc_optimal;
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uint8_t vpp_optimal;
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uint8_t num_protection_fields;
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uint16_t prot_reg_addr;
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uint8_t fact_prot_reg_size;
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uint8_t user_prot_reg_size;
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uint8_t extra[0];
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};
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/* Spansion primary extended query table as defined for and used by
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* the linux kernel cfi driver (as of 2.6.15)
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*/
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struct cfi_spansion_pri_ext {
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uint8_t pri[3];
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uint8_t major_version;
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uint8_t minor_version;
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uint8_t SiliconRevision; /* bits 1-0: Address Sensitive Unlock */
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uint8_t EraseSuspend;
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uint8_t BlkProt;
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uint8_t TmpBlkUnprotect;
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uint8_t BlkProtUnprot;
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uint8_t SimultaneousOps;
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uint8_t BurstMode;
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uint8_t PageMode;
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uint8_t VppMin;
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uint8_t VppMax;
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uint8_t TopBottom;
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int _reversed_geometry;
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uint32_t _unlock1;
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uint32_t _unlock2;
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};
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/* Atmel primary extended query table as defined for and used by
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* the linux kernel cfi driver (as of 2.6.20+)
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*/
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struct cfi_atmel_pri_ext {
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uint8_t pri[3];
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uint8_t major_version;
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uint8_t minor_version;
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uint8_t features;
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uint8_t bottom_boot;
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uint8_t burst_mode;
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uint8_t page_mode;
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};
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enum {
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CFI_UNLOCK_555_2AA,
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CFI_UNLOCK_5555_2AAA,
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};
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struct cfi_unlock_addresses {
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uint32_t unlock1;
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uint32_t unlock2;
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};
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struct cfi_fixup {
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uint16_t mfr;
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uint16_t id;
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void (*fixup)(struct flash_bank *bank, void *param);
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void *param;
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};
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#define CFI_MFR_AMD 0x0001
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#define CFI_MFR_FUJITSU 0x0004
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#define CFI_MFR_ATMEL 0x001F
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#define CFI_MFR_ST 0x0020 /* STMicroelectronics */
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#define CFI_MFR_AMIC 0x0037
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#define CFI_MFR_SST 0x00BF
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#define CFI_MFR_MX 0x00C2
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#define CFI_MFR_EON 0x007F
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#define CFI_MFR_ANY 0xffff
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#define CFI_ID_ANY 0xffff
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#endif /* CFI_H */
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