166 lines
4.2 KiB
C
166 lines
4.2 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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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifndef CFI_H
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#define CFI_H
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#include "flash.h"
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#include "target.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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typedef struct cfi_flash_bank_s
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{
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working_area_t *write_algorithm;
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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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u16 manufacturer;
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u16 device_id;
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char qry[3];
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/* identification string */
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u16 pri_id;
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u16 pri_addr;
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u16 alt_id;
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u16 alt_addr;
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/* device-system interface */
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u8 vcc_min;
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u8 vcc_max;
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u8 vpp_min;
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u8 vpp_max;
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u8 word_write_timeout_typ;
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u8 buf_write_timeout_typ;
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u8 block_erase_timeout_typ;
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u8 chip_erase_timeout_typ;
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u8 word_write_timeout_max;
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u8 buf_write_timeout_max;
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u8 block_erase_timeout_max;
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u8 chip_erase_timeout_max;
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u8 status_poll_mask;
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/* flash geometry */
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u32 dev_size;
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u16 interface_desc;
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u16 max_buf_write_size;
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u8 num_erase_regions;
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u32 *erase_region_info;
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void *pri_ext;
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void *alt_ext;
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} cfi_flash_bank_t;
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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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typedef struct cfi_intel_pri_ext_s
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{
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char pri[3];
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u8 major_version;
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u8 minor_version;
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u32 feature_support;
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u8 suspend_cmd_support;
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u16 blk_status_reg_mask;
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u8 vcc_optimal;
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u8 vpp_optimal;
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u8 num_protection_fields;
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u16 prot_reg_addr;
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u8 fact_prot_reg_size;
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u8 user_prot_reg_size;
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u8 extra[0];
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} cfi_intel_pri_ext_t;
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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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typedef struct cfi_spansion_pri_ext_s
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{
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u8 pri[3];
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u8 major_version;
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u8 minor_version;
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u8 SiliconRevision; /* bits 1-0: Address Sensitive Unlock */
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u8 EraseSuspend;
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u8 BlkProt;
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u8 TmpBlkUnprotect;
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u8 BlkProtUnprot;
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u8 SimultaneousOps;
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u8 BurstMode;
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u8 PageMode;
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u8 VppMin;
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u8 VppMax;
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u8 TopBottom;
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int _reversed_geometry;
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u32 _unlock1;
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u32 _unlock2;
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} cfi_spansion_pri_ext_t;
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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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typedef struct cfi_atmel_pri_ext_s
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{
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u8 pri[3];
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u8 major_version;
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u8 minor_version;
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u8 features;
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u8 bottom_boot;
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u8 burst_mode;
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u8 page_mode;
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} cfi_atmel_pri_ext_t;
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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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typedef struct cfi_unlock_addresses_s
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{
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u32 unlock1;
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u32 unlock2;
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} cfi_unlock_addresses_t;
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typedef struct cfi_fixup_s
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{
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u16 mfr;
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u16 id;
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void (*fixup)(flash_bank_t *flash, void *param);
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void *param;
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} cfi_fixup_t;
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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_ANY 0xffff
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#define CFI_ID_ANY 0xffff
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#endif /* CFI_H */
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