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soc/intel/baytrail: refactor rtc failure checking

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In order to prepare for checking RTC failure in the early boot
paths move the rtc failure calculation to pmutil.c and add a helper
function to determine if failure occurred.

BUG=b:63054105

Change-Id: I1d90cc557225ddbba1787bf95eae0de623af487e
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://review.coreboot.org/21555
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Aaron Durbin
2017-09-15 14:24:03 -06:00
parent d1fc8c1343
commit 64b4bddcbc
4 changed files with 26 additions and 18 deletions
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18
src/soc/intel/baytrail/southcluster.c
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@@ -125,23 +125,7 @@ static void sc_read_resources(device_t dev)
static void sc_rtc_init(void)
{
uint32_t gen_pmcon1;
int rtc_fail;
struct chipset_power_state *ps = cbmem_find(CBMEM_ID_POWER_STATE);
if (ps != NULL) {
gen_pmcon1 = ps->gen_pmcon1;
} else {
gen_pmcon1 = read32((u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1));
}
rtc_fail = !!(gen_pmcon1 & RPS);
if (rtc_fail) {
printk(BIOS_DEBUG, "RTC failure.\n");
}
cmos_init(rtc_fail);
cmos_init(rtc_failure());
}
/*