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
This commit is contained in:
Stephen Warren
2016-05-16 17:41:37 -06:00
committed by Simon Glass
parent 6238935d01
commit 8961b52424
9 changed files with 234 additions and 0 deletions

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@@ -21,6 +21,7 @@ obj-$(CONFIG_DM_ETH) += eth.o
obj-$(CONFIG_DM_GPIO) += gpio.o
obj-$(CONFIG_DM_I2C) += i2c.o
obj-$(CONFIG_LED) += led.o
obj-$(CONFIG_DM_MAILBOX) += mailbox.o
obj-$(CONFIG_DM_MMC) += mmc.o
obj-$(CONFIG_DM_PCI) += pci.o
obj-$(CONFIG_RAM) += ram.o

31
test/dm/mailbox.c Normal file
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@@ -0,0 +1,31 @@
/*
* 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);