[coreboot-gerrit] Patch set updated for coreboot: soc/apollolake/acpi: Fill ACPI HPET table

[Lijian Zhao (lijian.zhao@intel.com)]

Lijian Zhao (lijian.zhao at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13374

-gerrit

commit df9ca3e94a0eb0c600eb307107fa288597b2978e
Author: Zhao, Lijian <lijian.zhao at intel.com>
Date:   Tue Dec 1 09:14:20 2015 -0800

    soc/apollolake/acpi: Fill ACPI HPET table
    
    HPET table is required to report integrated HPET timer to kernel.
    Without HPET table added,Linux kernel will panic when loading timer
    driver.
    
    Change-Id: I7368bc29f4e03d5882dcfc4a770fa7bfbc6c26a0
    Signed-off-by: Zhao, Lijian <lijian.zhao at intel.com>
---
 src/soc/intel/apollolake/acpi.c             |  7 +++++
 src/soc/intel/apollolake/include/soc/acpi.h |  3 ++
 src/soc/intel/apollolake/lpc.c              | 49 +++++++++++++++++++++++++++++
 3 files changed, 59 insertions(+)

diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c
index 5fd2b74..bf630a9 100644
--- a/src/soc/intel/apollolake/acpi.c
+++ b/src/soc/intel/apollolake/acpi.c
@@ -86,3 +86,10 @@ void soc_fill_common_fadt(acpi_fadt_t * fadt)
 
 	fadt->x_gpe1_blk.space_id = 1;
 }
+
+unsigned long southbridge_write_acpi_tables(device_t device,
+		unsigned long current,
+		struct acpi_rsdp *rsdp)
+{
+	return acpi_write_hpet(device, current, rsdp);
+}
diff --git a/src/soc/intel/apollolake/include/soc/acpi.h b/src/soc/intel/apollolake/include/soc/acpi.h
index f21b379..6546662 100644
--- a/src/soc/intel/apollolake/include/soc/acpi.h
+++ b/src/soc/intel/apollolake/include/soc/acpi.h
@@ -17,4 +17,7 @@
 
 void soc_fill_common_fadt(acpi_fadt_t * fadt);
 
+unsigned long southbridge_write_acpi_tables(device_t device,
+                unsigned long current, struct acpi_rsdp *rsdp);
+
 #endif	/* _SOC_APOLLOLAKE_ACPI_H_ */
diff --git a/src/soc/intel/apollolake/lpc.c b/src/soc/intel/apollolake/lpc.c
new file mode 100644
index 0000000..c4aca69
--- /dev/null
+++ b/src/soc/intel/apollolake/lpc.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corp.
+ * (Written by Lance Zhao <lijian.zhao at 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/acpi.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,
+	.write_acpi_tables = southbridge_write_acpi_tables,
+};
+
+static const struct pci_driver soc_lpc __pci_driver = {
+	.ops = &device_ops,
+	.vendor = PCI_VENDOR_ID_INTEL,
+	.devices = PCI_DEV_ID_APOLLOLAKE_LPC,
+};