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

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Corresponding to flashrom svn r397 and coreboot v2 svn r3903.

Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Peter Stuge <peter@stuge.se>
This commit is contained in:
Stefan Reinauer
2009-01-26 01:10:48 +00:00
committed by Peter Stuge
parent 776d2021fd
commit 0593f21f10
6 changed files with 71 additions and 88 deletions
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14
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 */