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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
#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;
uint8_t 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;
/* calculated timeouts */
unsigned word_write_timeout;
unsigned buf_write_timeout;
unsigned block_erase_timeout;
unsigned chip_erase_timeout;
};
/* 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
{
uint8_t 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 *bank, 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_EON 0x007F
#define CFI_MFR_ANY 0xffff
#define CFI_ID_ANY 0xffff
#endif /* CFI_H */
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