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cfi.h 4.20 KiB
/***************************************************************************
* 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 */
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 */