mailbox: implement a sandbox test

[people/ms/u-boot.git] / drivers / mailbox / sandbox-mbox-test.c

diff --git a/drivers/mailbox/sandbox-mbox-test.c b/drivers/mailbox/sandbox-mbox-test.c
new file mode 100644 (file)
index 0000000..02d161a
--- /dev/null
+++ b/drivers/mailbox/sandbox-mbox-test.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2016, NVIDIA CORPORATION.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <mailbox_client.h>
+#include <asm/io.h>
+
+struct sandbox_mbox_test {
+       struct mbox_chan chan;
+};
+
+int sandbox_mbox_test_get(struct udevice *dev)
+{
+       struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
+
+       return mbox_get_by_name(dev, "test", &sbmt->chan);
+}
+
+int sandbox_mbox_test_send(struct udevice *dev, uint32_t msg)
+{
+       struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
+
+       return mbox_send(&sbmt->chan, &msg);
+}
+
+int sandbox_mbox_test_recv(struct udevice *dev, uint32_t *msg)
+{
+       struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
+
+       return mbox_recv(&sbmt->chan, msg, 100);
+}
+
+int sandbox_mbox_test_free(struct udevice *dev)
+{
+       struct sandbox_mbox_test *sbmt = dev_get_priv(dev);
+
+       return mbox_free(&sbmt->chan);
+}
+
+static const struct udevice_id sandbox_mbox_test_ids[] = {
+       { .compatible = "sandbox,mbox-test" },
+       { }
+};
+
+U_BOOT_DRIVER(sandbox_mbox_test) = {
+       .name = "sandbox_mbox_test",
+       .id = UCLASS_MISC,
+       .of_match = sandbox_mbox_test_ids,
+       .priv_auto_alloc_size = sizeof(struct sandbox_mbox_test),
+};