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remove duplicated code

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1456 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo
2004-03-19 22:10:07 +00:00
parent b9e06c2692
commit 6a1a1102ea
8 changed files with 142 additions and 384 deletions
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38
util/flash_and_burn/jedec.h
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@ -45,6 +45,8 @@ extern __inline__ void protect_jedec (volatile char * bios)
usleep(200);
}
extern int erase_sector_jedec (volatile char * bios, unsigned int page);
extern __inline__ void write_page_jedec (volatile char * bios, char * src, volatile char * dst,
int page_size)
{
@ -63,4 +65,40 @@ extern __inline__ void write_page_jedec (volatile char * bios, char * src, volat
toggle_ready_jedec(dst-1);
}
static __inline__ int write_sector_jedec(volatile char * bios,
unsigned char * src,
volatile unsigned char * dst,
unsigned int page_size)
{
int i;
volatile char *Temp;
for (i = 0; i < page_size; i++) {
if (*dst != 0xff) {
printf("FATAL: dst %p not erased (val 0x%x\n", dst, *dst);
return(-1);
}
/* transfer data from source to destination */
if (*src == 0xFF) {
dst++, src++;
/* If the data is 0xFF, don't program it */
continue;
}
Temp = (bios + 0x5555);
*Temp = 0xAA;
Temp = bios + 0x2AAA;
*Temp = 0x55;
Temp = bios + 0x5555;
*Temp = 0xA0;
*dst = *src;
toggle_ready_jedec(bios);
if (*dst != *src)
printf("BAD! dst 0x%lx val 0x%x src 0x%x\n",
(unsigned long)dst, *dst, *src);
dst++, src++;
}
return(0);
}
#endif /* !__JEDEC_H__ */