2 files changed, 28 insertions, 0 deletions
diff --git a/src/southbridge/nvidia/mcp55/ht.c b/src/southbridge/nvidia/mcp55/ht.c
index 633221c5d6..2daa5bbdfc 100644
--- a/src/southbridge/nvidia/mcp55/ht.c
+++ b/src/southbridge/nvidia/mcp55/ht.c
@@ -26,8 +26,17 @@
 #include <device/pci.h>
 #include <device/pci_ids.h>
 #include <device/pci_ops.h>
+#include <arch/acpi.h>
 #include "mcp55.h"
 
+#if IS_ENABLED(CONFIG_GENERATE_ACPI_TABLES)
+unsigned long acpi_fill_mcfg(unsigned long current)
+{
+	/* Not implemented */
+	return current;
+}
+#endif
+
 static struct device_operations ht_ops = {
 	.read_resources   = pci_dev_read_resources,
 	.set_resources    = pci_dev_set_resources,
diff --git a/src/southbridge/nvidia/mcp55/lpc.c b/src/southbridge/nvidia/mcp55/lpc.c
index 585232d712..312348c1fa 100644
--- a/src/southbridge/nvidia/mcp55/lpc.c
+++ b/src/southbridge/nvidia/mcp55/lpc.c
@@ -34,7 +34,13 @@
 #include <arch/io.h>
 #include <arch/ioapic.h>
 #include <cpu/x86/lapic.h>
+#include <arch/acpi.h>
 #include <stdlib.h>
+#if IS_ENABLED(CONFIG_GENERATE_ACPI_TABLES)
+#include <arch/acpi.h>
+#include <arch/acpigen.h>
+#endif
+#include <cpu/amd/model_fxx_powernow.h>
 #include "mcp55.h"
 
 #define NMI_OFF	0
@@ -275,10 +281,23 @@ static const struct pci_driver lpc_driver __pci_driver = {
 	.devices = lpc_ids,
 };
 
+#if IS_ENABLED(CONFIG_GENERATE_ACPI_TABLES) && IS_ENABLED(CONFIG_PER_DEVICE_ACPI_TABLES)
+
+static void southbridge_acpi_fill_ssdt_generator(void)
+{
+	amd_model_fxx_generate_powernow(0, 0, 0);
+}
+
+#endif
+
 static struct device_operations lpc_slave_ops = {
 	.read_resources   = mcp55_lpc_read_resources,
 	.set_resources    = pci_dev_set_resources,
 	.enable_resources = pci_dev_enable_resources,
+#if IS_ENABLED(CONFIG_GENERATE_ACPI_TABLES) && IS_ENABLED(CONFIG_PER_DEVICE_ACPI_TABLES)
+	.acpi_fill_ssdt_generator = southbridge_acpi_fill_ssdt_generator,
+	.write_acpi_tables      = acpi_write_hpet,
+#endif
 	.init             = lpc_slave_init,
 //	.enable           = mcp55_enable,
 	.ops_pci          = &mcp55_pci_ops,