tests/qtest/aspeed_gpio-test.c

   1 /*
   2  * QTest testcase for the Aspeed GPIO Controller.
   3  *
   4  * Copyright (c) Meta Platforms, Inc. and affiliates. (http://www.meta.com)
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #include "qemu/osdep.h"
  26 #include "qemu/bitops.h"
  27 #include "qemu/timer.h"
  28 #include "qapi/qmp/qdict.h"
  29 #include "libqtest-single.h"
  30
  31 #define AST2600_GPIO_BASE 0x1E780000
  32
  33 #define GPIO_ABCD_DATA_VALUE 0x000
  34 #define GPIO_ABCD_DIRECTION  0x004
  35
  36 static void test_set_colocated_pins(const void *data)
  37 {
  38     QTestState *s = (QTestState *)data;
  39
  40     /*
  41      * gpioV4-7 occupy bits within a single 32-bit value, so we want to make
  42      * sure that modifying one doesn't affect the other.
  43      */
  44     qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV4", true);
  45     qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV5", false);
  46     qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV6", true);
  47     qtest_qom_set_bool(s, "/machine/soc/gpio", "gpioV7", false);
  48     g_assert(qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV4"));
  49     g_assert(!qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV5"));
  50     g_assert(qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV6"));
  51     g_assert(!qtest_qom_get_bool(s, "/machine/soc/gpio", "gpioV7"));
  52 }
  53
  54 static void test_set_input_pins(const void *data)
  55 {
  56     QTestState *s = (QTestState *)data;
  57     char name[16];
  58     uint32_t value;
  59
  60     qtest_writel(s, AST2600_GPIO_BASE + GPIO_ABCD_DIRECTION, 0x00000000);
  61     for (char c = 'A'; c <= 'D'; c++) {
  62         for (int i = 0; i < 8; i++) {
  63             sprintf(name, "gpio%c%d", c, i);
  64             qtest_qom_set_bool(s, "/machine/soc/gpio", name, true);
  65         }
  66     }
  67     value = qtest_readl(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE);
  68     g_assert_cmphex(value, ==, 0xffffffff);
  69
  70     qtest_writel(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE, 0x00000000);
  71     value = qtest_readl(s, AST2600_GPIO_BASE + GPIO_ABCD_DATA_VALUE);
  72     g_assert_cmphex(value, ==, 0xffffffff);
  73 }
  74
  75 int main(int argc, char **argv)
  76 {
  77     QTestState *s;
  78     int r;
  79
  80     g_test_init(&argc, &argv, NULL);
  81
  82     s = qtest_init("-machine ast2600-evb");
  83     qtest_add_data_func("/ast2600/gpio/set_colocated_pins", s,
  84                         test_set_colocated_pins);
  85     qtest_add_data_func("/ast2600/gpio/set_input_pins", s, test_set_input_pins);
  86     r = g_test_run();
  87     qtest_quit(s);
  88
  89     return r;
  90 }