FreeCalypso > hg > freecalypso-tools
view loadtools/flash.h @ 898:203c025e71ab
CHANGES: fc-host-tools-r17 released
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 03 Apr 2022 19:09:21 +0000 |
parents | 44cdfc4fed4c |
children | ff4ce8d5ece4 |
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/* this header file contains definitions for fc-loadtool flash support */ /* global configuration */ #define FLASH_GLOBAL_CFG_NONE 0 #define FLASH_GLOBAL_CFG_SINGLE_4M 1 #define FLASH_GLOBAL_CFG_SINGLE_8M 2 #define FLASH_GLOBAL_CFG_DUAL_8M 3 /* * The following structures represent an "abstract" * description of flash devices. * * A "region" is a consecutive group of erase units of the same size. */ struct flash_region_desc { uint32_t sector_size; unsigned nsectors; }; #define CFI_MAX_REGIONS 4 /* * The info in struct flash_geom can be either * gathered from CFI or hard-coded. */ struct flash_geom { uint32_t total_size; unsigned nregions; struct flash_region_desc regions[CFI_MAX_REGIONS]; unsigned total_sectors; }; struct cfi_check { int offset; uint8_t expect_val; }; struct flash_device { char *name; struct cfi_check *cfi_table; int required_global_config; struct flash_geom *bank_geom[2]; struct flash_cmdset *cmdset; }; /* the following structures describe flash banks as accessible to us */ struct sector_info { uint32_t start; uint32_t size; }; struct flash_cmdset { char *cmdset_name; int (*reset_cmd)(); int (*status_cmd)(); int (*unlock_sector)(); int (*erase_sector)(); int (*prep_for_program)(); int (*read_prot_reg)(); char *loadagent_setbase_cmd; char *loadagent_program_cmd; char *loadagent_binmode_cmd; int needs_unlock; }; struct flash_bank_info { uint32_t base_addr; struct flash_device *device; struct flash_geom *geom; struct flash_cmdset *ops; struct sector_info *sectors; int detect_done; };