[coreboot] r3791 - trunk/util/flashrom
svn at coreboot.org
svn at coreboot.org
Wed Dec 3 22:39:56 CET 2008
Author: stuge
Date: 2008-12-03 22:39:56 +0100 (Wed, 03 Dec 2008)
New Revision: 3791
Modified:
trunk/util/flashrom/flashrom.c
Log:
flashrom: Fix bug in r3790
If flashbase was set before probe_flash() it would only ever be used once, for
the very first flash chip probe.
Signed-off-by: Peter Stuge <peter at stuge.se>
Acked-by: Peter Stuge <peter at stuge.se>
Modified: trunk/util/flashrom/flashrom.c
===================================================================
--- trunk/util/flashrom/flashrom.c 2008-12-03 21:24:40 UTC (rev 3790)
+++ trunk/util/flashrom/flashrom.c 2008-12-03 21:39:56 UTC (rev 3791)
@@ -105,7 +105,7 @@
{
volatile uint8_t *bios;
struct flashchip *flash;
- unsigned long size;
+ unsigned long base, size;
for (flash = first_flash; flash && flash->name; flash++) {
if (chip_to_probe && strcmp(flash->name, chip_to_probe) != 0)
@@ -133,11 +133,10 @@
*/
size = getpagesize();
}
- if (!flashbase)
- flashbase = (0xffffffff - size + 1);
+ base = flashbase ? flashbase : (0xffffffff - size + 1);
bios = mmap(0, size, PROT_WRITE | PROT_READ, MAP_SHARED,
- fd_mem, (off_t) flashbase);
+ fd_mem, (off_t) base);
if (bios == MAP_FAILED) {
perror("Can't mmap memory using " MEM_DEV);
exit(1);
@@ -162,7 +161,8 @@
return NULL;
printf("Found chip \"%s %s\" (%d KB) at physical address 0x%lx.\n",
- flash->vendor, flash->name, flash->total_size, flashbase);
+ flash->vendor, flash->name, flash->total_size, base);
+ flashbase = base;
return flash;
}
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