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

source/bootloader/u-boot-2020.01/drivers/axi/axi-uclass.c

@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2017
+ * Mario Six,  Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <axi.h>
+
+int axi_read(struct udevice *dev, ulong address, void *data,
+	     enum axi_size_t size)
+{
+	struct axi_ops *ops = axi_get_ops(dev);
+
+	if (!ops->read)
+		return -ENOSYS;
+
+	return ops->read(dev, address, data, size);
+}
+
+int axi_write(struct udevice *dev, ulong address, void *data,
+	      enum axi_size_t size)
+{
+	struct axi_ops *ops = axi_get_ops(dev);
+
+	if (!ops->write)
+		return -ENOSYS;
+
+	return ops->write(dev, address, data, size);
+}
+
+UCLASS_DRIVER(axi) = {
+	.id		= UCLASS_AXI,
+	.name		= "axi",
+	.post_bind	= dm_scan_fdt_dev,
+	.flags		= DM_UC_FLAG_SEQ_ALIAS,
+};
+