diff options
Diffstat (limited to 'src/flash/cfi.h')
| -rw-r--r-- | src/flash/cfi.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/flash/cfi.h b/src/flash/cfi.h new file mode 100644 index 00000000..d9700be2 --- /dev/null +++ b/src/flash/cfi.h @@ -0,0 +1,86 @@ +/*************************************************************************** + * 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" + +typedef struct cfi_flash_bank_s +{ + struct target_s *target; + working_area_t *write_algorithm; + working_area_t *erase_check_algorithm; + + 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; + + /* flash geometry */ + u8 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; + +#endif /* CFI_H */ |