diff options
Diffstat (limited to 'flash.h')
| -rw-r--r-- | flash.h | 17 |
1 files changed, 12 insertions, 5 deletions
@@ -48,9 +48,9 @@ typedef uintptr_t chipaddr; /* Types and macros regarding the maximum flash space size supported by generic code. */ typedef uint32_t chipoff_t; /* Able to store any addressable offset within a supported flash memory. */ typedef uint32_t chipsize_t; /* Able to store the number of bytes of any supported flash memory. */ -#define FL_MAX_CHIPADDR_BITS (24) -#define FL_MAX_CHIPADDR ((chipoff_t)(1ULL<<FL_MAX_CHIPADDR_BITS)-1) -#define PRIxCHIPADDR "06"PRIx32 +#define FL_MAX_CHIPOFF_BITS (24) +#define FL_MAX_CHIPOFF ((chipoff_t)(1ULL<<FL_MAX_CHIPOFF_BITS)-1) +#define PRIxCHIPOFF "06"PRIx32 #define PRIuCHIPSIZE PRIu32 int register_shutdown(int (*function) (void *data), void *data); @@ -209,8 +209,14 @@ struct flashchip { struct flashctx { struct flashchip *chip; + /* FIXME: The memory mappings should be saved in a more structured way. */ + /* The physical_* fields store the respective addresses in the physical address space of the CPU. */ + uintptr_t physical_memory; + /* The virtual_* fields store where the respective physical address is mapped into flashrom's address + * space. A value equivalent to (chipaddr)ERROR_PTR indicates an invalid mapping (or none at all). */ chipaddr virtual_memory; - /* Some flash devices have an additional register space. */ + /* Some flash devices have an additional register space; semantics are like above. */ + uintptr_t physical_registers; chipaddr virtual_registers; struct registered_master *mst; }; @@ -252,7 +258,8 @@ void tolower_string(char *str); /* flashrom.c */ extern const char flashrom_version[]; extern const char *chip_to_probe; -void map_flash_registers(struct flashctx *flash); +int map_flash(struct flashctx *flash); +void unmap_flash(struct flashctx *flash); int read_memmapped(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len); int erase_flash(struct flashctx *flash); int probe_flash(struct registered_master *mst, int startchip, struct flashctx *fill_flash, int force); |
