u-boot/test/dm/mailbox.c
Stephen Warren 8961b52424 mailbox: implement a sandbox test
This adds a sandbox mailbox implementation (provider), a test client
device, instantiates them both from Sandbox's DT, and adds a DM test
that excercises everything.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Simon Glass <sjg@chromium.org> # v1
2016-05-26 20:48:31 -06:00

31 lines
791 B
C

/*
* Copyright (c) 2016, NVIDIA CORPORATION.
*
* SPDX-License-Identifier: GPL-2.0
*/
#include <common.h>
#include <dm.h>
#include <dm/test.h>
#include <asm/mbox.h>
#include <test/ut.h>
static int dm_test_mailbox(struct unit_test_state *uts)
{
struct udevice *dev;
uint32_t msg;
ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "mbox-test", &dev));
ut_assertok(sandbox_mbox_test_get(dev));
ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg));
ut_assertok(sandbox_mbox_test_send(dev, 0xaaff9955UL));
ut_assertok(sandbox_mbox_test_recv(dev, &msg));
ut_asserteq(msg, 0xaaff9955UL ^ SANDBOX_MBOX_PING_XOR);
ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg));
ut_assertok(sandbox_mbox_test_free(dev));
return 0;
}
DM_TEST(dm_test_mailbox, DM_TESTF_SCAN_FDT);