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 "qapi/qmp/qdict.h"
12 #include "libqtest-single.h"
13
14 #define AST2700_GPIO_BASE 0x14C0B000
15 #define GPIOA0_CONTROL 0x180
16
test_output_pins(const char * machine,const uint32_t base)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
test_input_pins(const char * machine,const uint32_t base)44 static void test_input_pins(const char *machine, const uint32_t base)
45 {
46 QTestState *s = qtest_init(machine);
47 char name[16];
48 uint32_t offset = 0;
49 uint32_t value = 0;
50 uint32_t pin = 0;
51
52 for (char c = 'A'; c <= 'D'; c++) {
53 for (int i = 0; i < 8; i++) {
54 sprintf(name, "gpio%c%d", c, i);
55 offset = base + (pin * 4);
56 /* input direction */
57 qtest_writel(s, offset, 0);
58
59 /* set input */
60 qtest_qom_set_bool(s, "/machine/soc/gpio", name, true);
61 value = qtest_readl(s, offset);
62 g_assert_cmphex(value, ==, 0x00002000);
63
64 /* clear input */
65 qtest_qom_set_bool(s, "/machine/soc/gpio", name, false);
66 value = qtest_readl(s, offset);
67 g_assert_cmphex(value, ==, 0);
68 pin++;
69 }
70 }
71
72 qtest_quit(s);
73 }
74
test_2700_input_pins(void)75 static void test_2700_input_pins(void)
76 {
77 test_input_pins("-machine ast2700-evb",
78 AST2700_GPIO_BASE + GPIOA0_CONTROL);
79 }
80
test_2700_output_pins(void)81 static void test_2700_output_pins(void)
82 {
83 test_output_pins("-machine ast2700-evb",
84 AST2700_GPIO_BASE + GPIOA0_CONTROL);
85 }
86
main(int argc,char ** argv)87 int main(int argc, char **argv)
88 {
89 g_test_init(&argc, &argv, NULL);
90
91 qtest_add_func("/ast2700/gpio/input_pins", test_2700_input_pins);
92 qtest_add_func("/ast2700/gpio/output_pins", test_2700_output_pins);
93
94 return g_test_run();
95 }
96