| 1 | /* |
| 2 | * QTest testcase for the ASPEED AST2700 GPIO Controller. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 5 | * Copyright (C) 2024 ASPEED Technology Inc. |
| 6 | */ |
| 7 | |
| 8 | #include "qemu/osdep.h" |
| 9 | #include "qemu/bitops.h" |
| 10 | #include "qemu/timer.h" |
| 11 | #include "qobject/qdict.h" |
| 12 | #include "libqtest-single.h" |
| 13 | |
| 14 | #define AST2700_GPIO_BASE 0x14C0B000 |
| 15 | #define GPIOA0_CONTROL 0x180 |
| 16 | |
| 17 | static void test_output_pins(const char *machine, const uint32_t base) |
| 18 | { |
| 19 | QTestState *s = qtest_init(machine); |
| 20 | uint32_t offset = 0; |
| 21 | uint32_t value = 0; |
| 22 | uint32_t pin = 0; |
| 23 | |
| 24 | for (char c = 'A'; c <= 'D'; c++) { |
| 25 | for (int i = 0; i < 8; i++) { |
| 26 | offset = base + (pin * 4); |
| 27 | |
| 28 | /* output direction and output hi */ |
| 29 | qtest_writel(s, offset, 0x00000003); |
| 30 | value = qtest_readl(s, offset); |
| 31 | g_assert_cmphex(value, ==, 0x00000003); |
| 32 | |
| 33 | /* output direction and output low */ |
| 34 | qtest_writel(s, offset, 0x00000002); |
| 35 | value = qtest_readl(s, offset); |
| 36 | g_assert_cmphex(value, ==, 0x00000002); |
| 37 | pin++; |
| 38 | } |
| 39 | } |
| 40 | |
| 41 | qtest_quit(s); |
| 42 | } |
| 43 | |
| 44 | static void test_input_pins(const char *machine, const uint32_t base) |
| 45 | { |
| 46 | QTestState *s = qtest_init(machine); |
| 47 | uint32_t offset = 0; |
| 48 | uint32_t value = 0; |
| 49 | uint32_t pin = 0; |
| 50 | |
| 51 | for (char c = 'A'; c <= 'D'; c++) { |
| 52 | for (int i = 0; i < 8; i++) { |
| 53 | g_autofree const char *name = g_strdup_printf("gpio%c%d", c, i); |
| 54 | offset = base + (pin * 4); |
| 55 | /* input direction */ |
| 56 | qtest_writel(s, offset, 0); |
| 57 | |
| 58 | /* set input */ |
| 59 | qtest_qom_set_bool(s, "/machine/soc/gpio", name, true); |
| 60 | value = qtest_readl(s, offset); |
| 61 | g_assert_cmphex(value, ==, 0x00002000); |
| 62 | |
| 63 | /* clear input */ |
| 64 | qtest_qom_set_bool(s, "/machine/soc/gpio", name, false); |
| 65 | value = qtest_readl(s, offset); |
| 66 | g_assert_cmphex(value, ==, 0); |
| 67 | pin++; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | qtest_quit(s); |
| 72 | } |
| 73 | |
| 74 | static void test_2700_input_pins(void) |
| 75 | { |
| 76 | test_input_pins("-machine ast2700-evb", |
| 77 | AST2700_GPIO_BASE + GPIOA0_CONTROL); |
| 78 | } |
| 79 | |
| 80 | static void test_2700_output_pins(void) |
| 81 | { |
| 82 | test_output_pins("-machine ast2700-evb", |
| 83 | AST2700_GPIO_BASE + GPIOA0_CONTROL); |
| 84 | } |
| 85 | |
| 86 | int main(int argc, char **argv) |
| 87 | { |
| 88 | g_test_init(&argc, &argv, NULL); |
| 89 | |
| 90 | qtest_add_func("/ast2700/gpio/input_pins", test_2700_input_pins); |
| 91 | qtest_add_func("/ast2700/gpio/output_pins", test_2700_output_pins); |
| 92 | |
| 93 | return g_test_run(); |
| 94 | } |