3 files changed, 33 insertions, 0 deletions
diff --git a/src/southbridge/intel/ibexpeak/Kconfig b/src/southbridge/intel/ibexpeak/Kconfig
index c05fe43475..dfd8276f08 100644
--- a/src/southbridge/intel/ibexpeak/Kconfig
+++ b/src/southbridge/intel/ibexpeak/Kconfig
@@ -34,6 +34,7 @@ config SOUTH_BRIDGE_OPTIONS # dummy
 	select SPI_FLASH
 	select SOUTHBRIDGE_INTEL_COMMON
 	select HAVE_USBDEBUG_OPTIONS
+	select PER_DEVICE_ACPI_TABLES
 
 config EHCI_BAR
 	hex
diff --git a/src/southbridge/intel/ibexpeak/lpc.c b/src/southbridge/intel/ibexpeak/lpc.c
index a21176fcda..7580aa99fe 100644
--- a/src/southbridge/intel/ibexpeak/lpc.c
+++ b/src/southbridge/intel/ibexpeak/lpc.c
@@ -31,7 +31,11 @@
 #include <arch/acpi.h>
 #include <cpu/cpu.h>
 #include <elog.h>
+#include <arch/acpigen.h>
+#include <drivers/intel/gma/i915.h>
+#include <cbmem.h>
 #include "pch.h"
+#include "nvs.h"
 
 #define NMI_OFF	0
 
@@ -660,6 +664,31 @@ static void set_subsystem(device_t dev, unsigned vendor, unsigned device)
 	}
 }
 
+static unsigned long southbridge_fill_ssdt(unsigned long current, const char *oem_table_id)
+{
+	global_nvs_t *gnvs = cbmem_add (CBMEM_ID_ACPI_GNVS, sizeof (*gnvs));
+	void *opregion;
+
+	/* Calling northbridge code as gnvs contains opregion address.  */
+	opregion = igd_make_opregion();
+
+	if (gnvs) {
+		int scopelen;
+		acpi_create_gnvs(gnvs);
+		/* IGD OpRegion Base Address */
+		gnvs->aslb = (u32)opregion;
+		/* And tell SMI about it */
+		smm_setup_structures(gnvs, NULL, NULL);
+
+		/* Add it to SSDT.  */
+		scopelen = acpigen_write_scope("\\");
+		scopelen += acpigen_write_name_dword("NVSA", (u32) gnvs);
+		acpigen_patch_len(scopelen - 1);
+	}
+
+	return (unsigned long) (acpigen_get_current());
+}
+
 static struct pci_operations pci_ops = {
 	.set_subsystem = set_subsystem,
 };
@@ -668,6 +697,8 @@ static struct device_operations device_ops = {
 	.read_resources		= pch_lpc_read_resources,
 	.set_resources		= pci_dev_set_resources,
 	.enable_resources	= pch_lpc_enable_resources,
+	.acpi_fill_ssdt_generator = southbridge_fill_ssdt,
+	.write_acpi_tables      = acpi_write_hpet,
 	.init			= lpc_init,
 	.enable			= pch_lpc_enable,
 	.scan_bus		= scan_static_bus,
diff --git a/src/southbridge/intel/ibexpeak/nvs.h b/src/southbridge/intel/ibexpeak/nvs.h
index 1038f7369a..9cdfb1356a 100644
--- a/src/southbridge/intel/ibexpeak/nvs.h
+++ b/src/southbridge/intel/ibexpeak/nvs.h
@@ -158,3 +158,4 @@ typedef struct {
 /* Used in SMM to find the ACPI GNVS address */
 global_nvs_t *smm_get_gnvs(void);
 #endif
+void acpi_create_gnvs(global_nvs_t *gnvs);