1 /* 2 * Copyright (c) 2016, NVIDIA CORPORATION. 3 * 4 * SPDX-License-Identifier: GPL-2.0 5 */ 6 7 #include <common.h> 8 #include <dm.h> 9 #include <dm/test.h> 10 #include <asm/mbox.h> 11 #include <test/ut.h> 12 13 static int dm_test_mailbox(struct unit_test_state *uts) 14 { 15 struct udevice *dev; 16 uint32_t msg; 17 18 ut_assertok(uclass_get_device_by_name(UCLASS_MISC, "mbox-test", &dev)); 19 ut_assertok(sandbox_mbox_test_get(dev)); 20 21 ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg)); 22 ut_assertok(sandbox_mbox_test_send(dev, 0xaaff9955UL)); 23 ut_assertok(sandbox_mbox_test_recv(dev, &msg)); 24 ut_asserteq(msg, 0xaaff9955UL ^ SANDBOX_MBOX_PING_XOR); 25 ut_asserteq(-ETIMEDOUT, sandbox_mbox_test_recv(dev, &msg)); 26 27 ut_assertok(sandbox_mbox_test_free(dev)); 28 29 return 0; 30 } 31 DM_TEST(dm_test_mailbox, DM_TESTF_SCAN_FDT); 32