The earlier fix for CMOS checksums only fixed the function rtc_set_checksum,
which would fix the checksum, but then coreboot would no longer honor the
settings because it assumed the checksum is wrong after this.
This change fixes the remaining functions.
Change-Id: I3f52d074df29fc29ae1d940b3dcec3aa2cfc96a5
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/342
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
+#include <stdint.h>
#include <console/console.h>
#include <pc80/mc146818rtc.h>
#include <boot/coreboot_tables.h>
static int rtc_checksum_valid(int range_start, int range_end, int cks_loc)
{
int i;
- unsigned sum, old_sum;
+ u16 sum, old_sum;
sum = 0;
for(i = range_start; i <= range_end; i++) {
sum += cmos_read(i);
}
- sum = (~sum)&0x0ffff;
old_sum = ((cmos_read(cks_loc)<<8) | cmos_read(cks_loc+1))&0x0ffff;
return sum == old_sum;
}
static void rtc_set_checksum(int range_start, int range_end, int cks_loc)
{
int i;
- unsigned sum;
+ u16 sum;
sum = 0;
for(i = range_start; i <= range_end; i++) {
sum += cmos_read(i);
+#include <stdint.h>
#include <pc80/mc146818rtc.h>
#include <fallback.h>
#if CONFIG_USE_OPTION_TABLE
{
#if CONFIG_USE_OPTION_TABLE
unsigned char addr;
- unsigned long sum, old_sum;
+ u16 sum, old_sum;
sum = 0;
- /* Comput the cmos checksum */
+ /* Compute the cmos checksum */
for(addr = LB_CKS_RANGE_START; addr <= LB_CKS_RANGE_END; addr++) {
sum += cmos_read(addr);
}
- sum = (sum & 0xffff) ^ 0xffff;
/* Read the stored checksum */
old_sum = cmos_read(LB_CKS_LOC) << 8;