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96 lines
2.5 KiB
C
96 lines
2.5 KiB
C
/*
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* QTest testcase for the ASPEED AST2700 GPIO Controller.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright (C) 2024 ASPEED Technology Inc.
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*/
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#include "qemu/osdep.h"
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#include "qemu/bitops.h"
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#include "qemu/timer.h"
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#include "qapi/qmp/qdict.h"
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#include "libqtest-single.h"
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#define AST2700_GPIO_BASE 0x14C0B000
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#define GPIOA0_CONTROL 0x180
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static void test_output_pins(const char *machine, const uint32_t base)
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{
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QTestState *s = qtest_init(machine);
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uint32_t offset = 0;
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uint32_t value = 0;
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uint32_t pin = 0;
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for (char c = 'A'; c <= 'D'; c++) {
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for (int i = 0; i < 8; i++) {
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offset = base + (pin * 4);
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/* output direction and output hi */
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qtest_writel(s, offset, 0x00000003);
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value = qtest_readl(s, offset);
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g_assert_cmphex(value, ==, 0x00000003);
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/* output direction and output low */
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qtest_writel(s, offset, 0x00000002);
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value = qtest_readl(s, offset);
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g_assert_cmphex(value, ==, 0x00000002);
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pin++;
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}
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}
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qtest_quit(s);
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}
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static void test_input_pins(const char *machine, const uint32_t base)
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{
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QTestState *s = qtest_init(machine);
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char name[16];
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uint32_t offset = 0;
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uint32_t value = 0;
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uint32_t pin = 0;
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for (char c = 'A'; c <= 'D'; c++) {
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for (int i = 0; i < 8; i++) {
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sprintf(name, "gpio%c%d", c, i);
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offset = base + (pin * 4);
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/* input direction */
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qtest_writel(s, offset, 0);
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/* set input */
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qtest_qom_set_bool(s, "/machine/soc/gpio", name, true);
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value = qtest_readl(s, offset);
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g_assert_cmphex(value, ==, 0x00002000);
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/* clear input */
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qtest_qom_set_bool(s, "/machine/soc/gpio", name, false);
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value = qtest_readl(s, offset);
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g_assert_cmphex(value, ==, 0);
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pin++;
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}
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}
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qtest_quit(s);
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}
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static void test_2700_input_pins(void)
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{
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test_input_pins("-machine ast2700-evb",
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AST2700_GPIO_BASE + GPIOA0_CONTROL);
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}
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static void test_2700_output_pins(void)
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{
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test_output_pins("-machine ast2700-evb",
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AST2700_GPIO_BASE + GPIOA0_CONTROL);
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}
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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qtest_add_func("/ast2700/gpio/input_pins", test_2700_input_pins);
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qtest_add_func("/ast2700/gpio/output_pins", test_2700_output_pins);
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return g_test_run();
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}
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