test/dm/mailbox.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2016, NVIDIA CORPORATION.
   4  */
   5
   6 #include <common.h>
   7 #include <dm.h>
   8 #include <dm/test.h>
   9 #include <asm/mbox.h>
  10 #include <test/ut.h>
  11
  12 static int dm_test_mailbox(struct unit_test_state *uts)
  13 {
  14         struct udevice *dev;
  15         uint32_t msg;
  16
  17         ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "mbox-test", &dev));
  18         ut_assertok(sandbox_mbox_test_get(dev));
  19
  20         ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg));
  21         ut_assertok(sandbox_mbox_test_send(dev, 0xaaff9955UL));
  22         ut_assertok(sandbox_mbox_test_recv(dev, &msg));
  23         ut_asserteq(msg, 0xaaff9955UL ^ SANDBOX_MBOX_PING_XOR);
  24         ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg));
  25
  26         ut_assertok(sandbox_mbox_test_free(dev));
  27
  28         return 0;
  29 }
  30 DM_TEST(dm_test_mailbox, DM_TESTF_SCAN_FDT);