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-rw-r--r--src/soc/intel/apollolake/acpi/gpio.asl13
-rw-r--r--src/soc/intel/apollolake/include/soc/pm.h6
2 files changed, 13 insertions, 6 deletions
diff --git a/src/soc/intel/apollolake/acpi/gpio.asl b/src/soc/intel/apollolake/acpi/gpio.asl
index 5660dfa830..4f3bc3ee2c 100644
--- a/src/soc/intel/apollolake/acpi/gpio.asl
+++ b/src/soc/intel/apollolake/acpi/gpio.asl
@@ -174,6 +174,19 @@ scope (\_SB) {
\_SB.SPC0 (Local2, Local1)
}
}
+
+ /*
+ * Sleep button device ASL code. We are using this device to
+ * add the _PRW method for a dummy wake event to kernel so that
+ * before going to sleep kernel does not clear bit 15 in ACPI
+ * gpe0a enable register which is actually the GPIO_TIER1_SCI_EN bit.
+ */
+ Device (SLP)
+ {
+ Name (_HID, EisaId ("PNP0C0E"))
+
+ Name (_PRW, Package() { GPE0A_GPIO_TIER1_SCI_STS, 0x3 })
+ }
}
Scope(\_GPE)
diff --git a/src/soc/intel/apollolake/include/soc/pm.h b/src/soc/intel/apollolake/include/soc/pm.h
index 3ee7403b9b..2c12c8d28e 100644
--- a/src/soc/intel/apollolake/include/soc/pm.h
+++ b/src/soc/intel/apollolake/include/soc/pm.h
@@ -138,12 +138,6 @@
#define PCIE_GPE_EN (1 << 9)
#define SWGPE_EN (1 << 2)
-/*
- * Enables the setting of the GPIO_TIER1_SCI_STS bit to generate a wake event
- * and/or an SCI or SMI#.
- */
-#define GPIO_TIER_1_SCI (1 << 15)
-
/* Memory mapped IO registers behind PMC_BASE_ADDRESS */
#define PRSTS 0x1000
#define GEN_PMCON1 0x1020