GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/drivers/pci/pci_x86.c

@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2015 Google, Inc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <pci.h>
+#include <asm/pci.h>
+
+static int _pci_x86_read_config(struct udevice *bus, pci_dev_t bdf, uint offset,
+				ulong *valuep, enum pci_size_t size)
+{
+	return pci_x86_read_config(bdf, offset, valuep, size);
+}
+
+static int _pci_x86_write_config(struct udevice *bus, pci_dev_t bdf,
+				 uint offset, ulong value, enum pci_size_t size)
+{
+	return pci_x86_write_config(bdf, offset, value, size);
+}
+
+static const struct dm_pci_ops pci_x86_ops = {
+	.read_config	= _pci_x86_read_config,
+	.write_config	= _pci_x86_write_config,
+};
+
+static const struct udevice_id pci_x86_ids[] = {
+	{ .compatible = "pci-x86" },
+	{ }
+};
+
+U_BOOT_DRIVER(pci_x86) = {
+	.name	= "pci_x86",
+	.id	= UCLASS_PCI,
+	.of_match = pci_x86_ids,
+	.ops	= &pci_x86_ops,
+};