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-rw-r--r--src/soc/intel/baytrail/Makefile.inc1
-rw-r--r--src/soc/intel/baytrail/include/soc/pmc.h3
-rw-r--r--src/soc/intel/baytrail/pmutil.c22
-rw-r--r--src/soc/intel/baytrail/southcluster.c18
4 files changed, 26 insertions, 18 deletions
diff --git a/src/soc/intel/baytrail/Makefile.inc b/src/soc/intel/baytrail/Makefile.inc
index edc77af094..ba9517d5dc 100644
--- a/src/soc/intel/baytrail/Makefile.inc
+++ b/src/soc/intel/baytrail/Makefile.inc
@@ -26,6 +26,7 @@ ramstage-y += gpio.c
romstage-y += reset.c
ramstage-y += reset.c
ramstage-y += cpu.c
+romstage-y += pmutil.c
ramstage-y += pmutil.c
smm-y += pmutil.c
smm-y += smihandler.c
diff --git a/src/soc/intel/baytrail/include/soc/pmc.h b/src/soc/intel/baytrail/include/soc/pmc.h
index b65a3e8d83..c287d9cea9 100644
--- a/src/soc/intel/baytrail/include/soc/pmc.h
+++ b/src/soc/intel/baytrail/include/soc/pmc.h
@@ -288,6 +288,9 @@ void southcluster_log_state(void);
static inline void southcluster_log_state(void) {}
#endif
+/* Return non-zero when RTC failure happened. */
+int rtc_failure(void);
+
#endif /* !defined(__ASSEMBLER__) && !defined(__ACPI__) */
#endif /* _BAYTRAIL_PMC_H_ */
diff --git a/src/soc/intel/baytrail/pmutil.c b/src/soc/intel/baytrail/pmutil.c
index 3759174346..ab2a4ba6d4 100644
--- a/src/soc/intel/baytrail/pmutil.c
+++ b/src/soc/intel/baytrail/pmutil.c
@@ -15,6 +15,7 @@
#include <stdint.h>
#include <arch/io.h>
+#include <cbmem.h>
#include <console/console.h>
#include <soc/iomap.h>
@@ -22,7 +23,7 @@
#include <soc/pci_devs.h>
#include <soc/pmc.h>
-#if defined(__SMM__)
+#if defined(__SIMPLE_DEVICE__)
static const device_t pcu_dev = PCI_DEV(0, PCU_DEV, 0);
@@ -358,3 +359,22 @@ void clear_pmc_status(void)
write32((u32 *)(PMC_BASE_ADDRESS + GEN_PMCON1), gen_pmcon1 & ~RPS);
write32((u32 *)(PMC_BASE_ADDRESS + PRSTS), prsts);
}
+
+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));
+
+ rtc_fail = !!(gen_pmcon1 & RPS);
+
+ if (rtc_fail)
+ printk(BIOS_DEBUG, "RTC failure.\n");
+
+ return rtc_fail;
+}
diff --git a/src/soc/intel/baytrail/southcluster.c b/src/soc/intel/baytrail/southcluster.c
index 090b98802b..d16c4ff148 100644
--- a/src/soc/intel/baytrail/southcluster.c
+++ b/src/soc/intel/baytrail/southcluster.c
@@ -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());
}
/*