Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / demo / demo-uclass.c

diff --git a/qemu/roms/u-boot/drivers/demo/demo-uclass.c b/qemu/roms/u-boot/drivers/demo/demo-uclass.c
new file mode 100644 (file)
index 0000000..48588be
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/demo/demo-uclass.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.ibis@gmail.com>
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm-demo.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <linux/list.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+UCLASS_DRIVER(demo) = {
+       .id             = UCLASS_DEMO,
+};
+
+int demo_hello(struct device *dev, int ch)
+{
+       const struct demo_ops *ops = device_get_ops(dev);
+
+       if (!ops->hello)
+               return -ENOSYS;
+
+       return ops->hello(dev, ch);
+}
+
+int demo_status(struct device *dev, int *status)
+{
+       const struct demo_ops *ops = device_get_ops(dev);
+
+       if (!ops->status)
+               return -ENOSYS;
+
+       return ops->status(dev, status);
+}
+
+int demo_parse_dt(struct device *dev)
+{
+       struct dm_demo_pdata *pdata = dev_get_platdata(dev);
+       int dn = dev->of_offset;
+
+       pdata->sides = fdtdec_get_int(gd->fdt_blob, dn, "sides", 0);
+       pdata->colour = fdt_getprop(gd->fdt_blob, dn, "colour", NULL);
+       if (!pdata->sides || !pdata->colour) {
+               debug("%s: Invalid device tree data\n", __func__);
+               return -EINVAL;
+       }
+
+       return 0;
+}