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flashrom: Abstract mmap() in physmap.c and only open /dev/mem on the first physmap() call.

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Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Peter Stuge <peter@stuge.se>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3903 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Stefan Reinauer
2009-01-26 01:10:48 +00:00
committed by Peter Stuge
parent ac29d61a45
commit 53ac3947db
6 changed files with 71 additions and 88 deletions
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14
util/flashrom/flash.h
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@ -466,21 +466,15 @@ typedef enum {
extern flashbus_t flashbus;
extern void *spibar;
/* Physical memory mapping device */
#if defined (__sun) && (defined(__i386) || defined(__amd64))
# define MEM_DEV "/dev/xsvc"
#else
# define MEM_DEV "/dev/mem"
#endif
extern int fd_mem;
/* debug.c */
extern int verbose;
#define printf_debug(x...) { if (verbose) printf(x); }
/* physmap.c */
void *physmap(const char *descr, unsigned long phys_addr, size_t len);
void physunmap(void *virt_addr, size_t len);
/* flashrom.c */
void mmap_errmsg();
void map_flash_registers(struct flashchip *flash);
/* layout.c */