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- /***************************************************************************
- * 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"
- #include "target.h"
-
- #define CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7 0xE0 /* DQ5..DQ7 */
- #define CFI_STATUS_POLL_MASK_DQ6_DQ7 0xC0 /* DQ6..DQ7 */
-
- typedef struct cfi_flash_bank_s
- {
- working_area_t *write_algorithm;
-
- int x16_as_x8;
- int jedec_probe;
- int not_cfi;
- int probed;
-
- u16 manufacturer;
- u16 device_id;
-
- char qry[3];
-
- /* identification string */
- u16 pri_id;
- u16 pri_addr;
- u16 alt_id;
- u16 alt_addr;
-
- /* device-system interface */
- u8 vcc_min;
- u8 vcc_max;
- u8 vpp_min;
- u8 vpp_max;
- u8 word_write_timeout_typ;
- u8 buf_write_timeout_typ;
- u8 block_erase_timeout_typ;
- u8 chip_erase_timeout_typ;
- u8 word_write_timeout_max;
- u8 buf_write_timeout_max;
- u8 block_erase_timeout_max;
- u8 chip_erase_timeout_max;
-
- u8 status_poll_mask;
-
- /* flash geometry */
- u32 dev_size;
- u16 interface_desc;
- u16 max_buf_write_size;
- u8 num_erase_regions;
- u32 *erase_region_info;
-
- void *pri_ext;
- void *alt_ext;
- } cfi_flash_bank_t;
-
- /* 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)
- */
- typedef struct cfi_intel_pri_ext_s
- {
- char pri[3];
- u8 major_version;
- u8 minor_version;
- u32 feature_support;
- u8 suspend_cmd_support;
- u16 blk_status_reg_mask;
- u8 vcc_optimal;
- u8 vpp_optimal;
- u8 num_protection_fields;
- u16 prot_reg_addr;
- u8 fact_prot_reg_size;
- u8 user_prot_reg_size;
- u8 extra[0];
- } cfi_intel_pri_ext_t;
-
- /* Spansion primary extended query table as defined for and used by
- * the linux kernel cfi driver (as of 2.6.15)
- */
- typedef struct cfi_spansion_pri_ext_s
- {
- u8 pri[3];
- u8 major_version;
- u8 minor_version;
- u8 SiliconRevision; /* bits 1-0: Address Sensitive Unlock */
- u8 EraseSuspend;
- u8 BlkProt;
- u8 TmpBlkUnprotect;
- u8 BlkProtUnprot;
- u8 SimultaneousOps;
- u8 BurstMode;
- u8 PageMode;
- u8 VppMin;
- u8 VppMax;
- u8 TopBottom;
- int _reversed_geometry;
- u32 _unlock1;
- u32 _unlock2;
- } cfi_spansion_pri_ext_t;
-
- /* Atmel primary extended query table as defined for and used by
- * the linux kernel cfi driver (as of 2.6.20+)
- */
- typedef struct cfi_atmel_pri_ext_s
- {
- u8 pri[3];
- u8 major_version;
- u8 minor_version;
- u8 features;
- u8 bottom_boot;
- u8 burst_mode;
- u8 page_mode;
- } cfi_atmel_pri_ext_t;
-
- enum {
- CFI_UNLOCK_555_2AA,
- CFI_UNLOCK_5555_2AAA,
- };
-
- typedef struct cfi_unlock_addresses_s
- {
- u32 unlock1;
- u32 unlock2;
- } cfi_unlock_addresses_t;
-
- typedef struct cfi_fixup_s
- {
- u16 mfr;
- u16 id;
- void (*fixup)(flash_bank_t *flash, void *param);
- void *param;
- } cfi_fixup_t;
-
- #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 */
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