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Diffstat (limited to 'src/mainboard/intel/baskingridge/smihandler.c')
-rw-r--r--src/mainboard/intel/baskingridge/smihandler.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/mainboard/intel/baskingridge/smihandler.c b/src/mainboard/intel/baskingridge/smihandler.c
new file mode 100644
index 0000000000..59a3c044f5
--- /dev/null
+++ b/src/mainboard/intel/baskingridge/smihandler.c
@@ -0,0 +1,34 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <acpi/acpi.h>
+#include <arch/io.h>
+#include <cpu/x86/smm.h>
+#include <soc/nvs.h>
+#include <southbridge/intel/lynxpoint/pch.h>
+#include <southbridge/intel/lynxpoint/me.h>
+#include <northbridge/intel/haswell/haswell.h>
+#include <cpu/intel/haswell/haswell.h>
+
+/*
+ * Change LED_POWER# (SIO GPIO 45) state based on sleep type.
+ * The IO address is hardcoded as we don't have device path in SMM.
+ */
+#define SIO_GPIO_BASE_SET4 (0x730 + 3)
+#define SIO_GPIO_BLINK_GPIO45 0x25
+void mainboard_smi_sleep(u8 slp_typ)
+{
+ u8 reg8;
+
+ switch (slp_typ) {
+ case ACPI_S3:
+ case ACPI_S4:
+ break;
+
+ case ACPI_S5:
+ /* Turn off LED */
+ reg8 = inb(SIO_GPIO_BASE_SET4);
+ reg8 |= (1 << 5);
+ outb(reg8, SIO_GPIO_BASE_SET4);
+ break;
+ }
+}