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qemu/tests/qtest/aspeed_gpio-test.c

91 lines
3.3 KiB
C

/*
* QTest testcase for the Aspeed GPIO Controller.
*
* Copyright (c) Meta Platforms, Inc. and affiliates. (http://www.meta.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "qemu/bitops.h"
#include "qemu/timer.h"
#include "qapi/qmp/qdict.h"
#include "libqtest-single.h"
#define AST2600_GPIO_BASE 0x1E780000
#define GPIO_ABCD_DATA_VALUE 0x000
#define GPIO_ABCD_DIRECTION 0x004
static void test_set_colocated_pins(const void *data)
{
QTestState *s = (QTestState *)data;
/*
* gpioV4-7 occupy bits within a single 32-bit value, so we want to make
* sure that modifying one doesn't affect the other.
*/
qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV4", true);
qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV5", false);
qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV6", true);
qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV7", false);
g_assert(qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV4"));
g_assert(!qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV5"));
g_assert(qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV6"));
g_assert(!qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV7"));
}
static void test_set_input_pins(const void *data)
{
QTestState *s = (QTestState *)data;
char name[16];
uint32_t value;
qtest_writel(s, AST2600_GPIO_BASE + GPIO_ABCD_DIRECTION, 0x00000000);
for (char c = 'A'; c <= 'D'; c++) {
for (int i = 0; i < 8; i++) {
sprintf(name, "gpio%c%d", c, i);
qtest_qom_set_bool(s, "/machine/soc/gpio", name, true);
}
}
value = qtest_readl(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE);
g_assert_cmphex(value, ==, 0xffffffff);
qtest_writel(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE, 0x00000000);
value = qtest_readl(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE);
g_assert_cmphex(value, ==, 0xffffffff);
}
int main(int argc, char **argv)
{
QTestState *s;
int r;
g_test_init(&argc, &argv, NULL);
s = qtest_init("-machine ast2600-evb");
qtest_add_data_func("/ast2600/gpio/set_colocated_pins", s,
test_set_colocated_pins);
qtest_add_data_func("/ast2600/gpio/set_input_pins", s, test_set_input_pins);
r = g_test_run();
qtest_quit(s);
return r;
}