u-boot-brain/test/dm/usb.c
Tom Rini d024236e5a Remove unnecessary instances of DECLARE_GLOBAL_DATA_PTR
We have a large number of places where while we historically referenced
gd in the code we no longer do, as well as cases where the code added
that line "just in case" during development and never dropped it.

Signed-off-by: Tom Rini <trini@konsulko.com>
2018-04-27 14:54:48 -04:00

148 lines
3.6 KiB
C

/*
* Copyright (C) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <console.h>
#include <dm.h>
#include <usb.h>
#include <asm/io.h>
#include <asm/state.h>
#include <asm/test.h>
#include <dm/device-internal.h>
#include <dm/test.h>
#include <dm/uclass-internal.h>
#include <test/ut.h>
/* Test that sandbox USB works correctly */
static int dm_test_usb_base(struct unit_test_state *uts)
{
struct udevice *bus;
ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 0, &bus));
ut_assertok(uclass_get_device(UCLASS_USB, 0, &bus));
ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_USB, 2, &bus));
return 0;
}
DM_TEST(dm_test_usb_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/*
* Test that we can use the flash stick. This is more of a functional test. It
* covers scanning the bug, setting up a hub and a flash stick and reading
* data from the flash stick.
*/
static int dm_test_usb_flash(struct unit_test_state *uts)
{
struct udevice *dev;
struct blk_desc *dev_desc;
char cmp[1024];
state_set_skip_delays(true);
ut_assertok(usb_init());
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
ut_assertok(blk_get_device_by_str("usb", "0", &dev_desc));
/* Read a few blocks and look for the string we expect */
ut_asserteq(512, dev_desc->blksz);
memset(cmp, '\0', sizeof(cmp));
ut_asserteq(2, blk_dread(dev_desc, 0, 2, cmp));
ut_assertok(strcmp(cmp, "this is a test"));
ut_assertok(usb_stop());
return 0;
}
DM_TEST(dm_test_usb_flash, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* test that we can handle multiple storage devices */
static int dm_test_usb_multi(struct unit_test_state *uts)
{
struct udevice *dev;
state_set_skip_delays(true);
ut_assertok(usb_init());
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev));
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev));
ut_assertok(usb_stop());
return 0;
}
DM_TEST(dm_test_usb_multi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
static int count_usb_devices(void)
{
struct udevice *hub;
struct uclass *uc;
int count = 0;
int ret;
ret = uclass_get(UCLASS_USB_HUB, &uc);
if (ret)
return ret;
uclass_foreach_dev(hub, uc) {
struct udevice *dev;
count++;
for (device_find_first_child(hub, &dev);
dev;
device_find_next_child(&dev)) {
count++;
}
}
return count;
}
/* test that no USB devices are found after we stop the stack */
static int dm_test_usb_stop(struct unit_test_state *uts)
{
struct udevice *dev;
/* Scan and check that all devices are present */
state_set_skip_delays(true);
ut_assertok(usb_init());
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 0, &dev));
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 1, &dev));
ut_assertok(uclass_get_device(UCLASS_MASS_STORAGE, 2, &dev));
ut_asserteq(6, count_usb_devices());
ut_assertok(usb_stop());
ut_asserteq(0, count_usb_devices());
return 0;
}
DM_TEST(dm_test_usb_stop, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
static int dm_test_usb_keyb(struct unit_test_state *uts)
{
struct udevice *dev;
state_set_skip_delays(true);
ut_assertok(usb_init());
/* Initially there should be no characters */
ut_asserteq(0, tstc());
ut_assertok(uclass_get_device_by_name(UCLASS_USB_EMUL, "keyb",
&dev));
/*
* Add a string to the USB keyboard buffer - it should appear in
* stdin
*/
ut_assertok(sandbox_usb_keyb_add_string(dev, "ab"));
ut_asserteq(1, tstc());
ut_asserteq('a', getc());
ut_asserteq(1, tstc());
ut_asserteq('b', getc());
ut_asserteq(0, tstc());
ut_assertok(usb_stop());
return 0;
}
DM_TEST(dm_test_usb_keyb, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);