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-rw-r--r--src/soc/intel/apollolake/Makefile.inc1
-rw-r--r--src/soc/intel/apollolake/lpc.c48
2 files changed, 49 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/Makefile.inc b/src/soc/intel/apollolake/Makefile.inc
index dff1589cdb..328a5b43a7 100644
--- a/src/soc/intel/apollolake/Makefile.inc
+++ b/src/soc/intel/apollolake/Makefile.inc
@@ -34,6 +34,7 @@ ramstage-y += chip.c
ramstage-y += placeholders.c
ramstage-y += gpio.c
ramstage-$(CONFIG_SOC_UART_DEBUG) += uart_early.c
+ramstage-y += lpc.c
ramstage-y += memmap.c
ramstage-y += mmap_boot.c
ramstage-y += uart.c
diff --git a/src/soc/intel/apollolake/lpc.c b/src/soc/intel/apollolake/lpc.c
new file mode 100644
index 0000000000..abc5245376
--- /dev/null
+++ b/src/soc/intel/apollolake/lpc.c
@@ -0,0 +1,48 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corp.
+ * (Written by Lance Zhao <lijian.zhao@intel.com> for Intel Corp.)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <device/device.h>
+#include <device/pci.h>
+#include <device/pci_ids.h>
+#include <soc/pci_ids.h>
+
+static void soc_lpc_add_io_resources(device_t dev)
+{
+ struct resource *res;
+
+ /* Add the default claimed legacy IO range for the LPC device. */
+ res = new_resource(dev, 0);
+ res->base = 0;
+ res->size = 0x1000;
+ res->flags = IORESOURCE_IO | IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+}
+
+static void soc_lpc_read_resources(device_t dev)
+{
+ /* Get the PCI resources of this device. */
+ pci_dev_read_resources(dev);
+
+ /* Add IO resources to LPC. */
+ soc_lpc_add_io_resources(dev);
+}
+
+static struct device_operations device_ops = {
+ .read_resources = &soc_lpc_read_resources,
+ .set_resources = &pci_dev_set_resources,
+ .enable_resources = &pci_dev_enable_resources,
+};
+
+static const struct pci_driver soc_lpc __pci_driver = {
+ .ops = &device_ops,
+ .vendor = PCI_VENDOR_ID_INTEL,
+ .device = PCI_DEVICE_ID_APOLLOLAKE_LPC,
+};