From 20989630c417b1f0228f4c8eb6af7d715f5bdbcc Mon Sep 17 00:00:00 2001 From: Frans Hendriks Date: Thu, 16 May 2019 11:46:22 +0200 Subject: soc/intel/braswell/pmutil.c: Use GEN_PMCON1 for RTC status cbmem_find is not available in every stage. Remove usage of cbmem_find() and use GEN_PMCON1 always. BUG=NA TEST=Booting Embedded Linux on Facebook FBG-1701 Change-Id: Id97d57864b3e241e8f046d9b1caebdce199a46b1 Signed-off-by: Frans Hendriks Reviewed-on: https://review.coreboot.org/c/coreboot/+/32724 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber --- src/soc/intel/braswell/pmutil.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) (limited to 'src') diff --git a/src/soc/intel/braswell/pmutil.c b/src/soc/intel/braswell/pmutil.c index 271eefed08..4bc621b80e 100644 --- a/src/soc/intel/braswell/pmutil.c +++ b/src/soc/intel/braswell/pmutil.c @@ -16,9 +16,9 @@ #include #include +#include #include #include -#include #include #include #include @@ -364,15 +364,14 @@ int rtc_failure(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)); + /* not usable in ramstage as GEN_PMCON1 gets reset */ + if (ENV_RAMSTAGE) + dead_code(); - rtc_fail = !!(gen_pmcon1 & RPS); + gen_pmcon1 = read32((u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1)); + rtc_fail = !!(gen_pmcon1 & RPS); if (rtc_fail) printk(BIOS_DEBUG, "RTC failure.\n"); -- cgit v1.2.3