summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/soc/intel/apollolake/include/soc/pm.h1
-rw-r--r--src/soc/intel/apollolake/romstage.c6
2 files changed, 4 insertions, 3 deletions
diff --git a/src/soc/intel/apollolake/include/soc/pm.h b/src/soc/intel/apollolake/include/soc/pm.h
index fe7a4230e9..6b12886c07 100644
--- a/src/soc/intel/apollolake/include/soc/pm.h
+++ b/src/soc/intel/apollolake/include/soc/pm.h
@@ -89,6 +89,7 @@
#define TCO_STS 0x64
#define TCO_TIMEOUT (1 << 3)
#define TCO1_CNT 0x68
+#define TCO_TMR_HLT (1 << 11)
#define GPE0_REG_MAX 4
#define GPE0_REG_SIZE 32
diff --git a/src/soc/intel/apollolake/romstage.c b/src/soc/intel/apollolake/romstage.c
index da537996dc..cfef483d67 100644
--- a/src/soc/intel/apollolake/romstage.c
+++ b/src/soc/intel/apollolake/romstage.c
@@ -94,9 +94,9 @@ static void disable_watchdog(void)
uint32_t reg;
/* Stop TCO timer */
- reg = inl(ACPI_PMIO_BASE + 0x68);
- reg |= 1 << 11;
- outl(reg, ACPI_PMIO_BASE + 0x68);
+ reg = inl(ACPI_PMIO_BASE + TCO1_CNT);
+ reg |= TCO_TMR_HLT;
+ outl(reg, ACPI_PMIO_BASE + TCO1_CNT);
}
static void migrate_power_state(int is_recovery)