tests/qtest:ast2700-gpio-test: Add GPIO test case for AST2700

Add GPIO test cases to test output and input pins from A0 to D7 for AST2700.

Signed-off-by: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[ clg: - Updated MAINTAINERS ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>

MAINTAINERS

@@ -1123,6 +1123,7 @@ F: hw/net/ftgmac100.c
 F: include/hw/net/ftgmac100.h
 F: docs/system/arm/aspeed.rst
 F: tests/*/*aspeed*
+F: tests/*/*ast2700*
 F: hw/arm/fby35.c
 
 NRF51

tests/qtest/ast2700-gpio-test.c

@@ -0,0 +1,95 @@
+/*
+ * QTest testcase for the ASPEED AST2700 GPIO Controller.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ * Copyright (C) 2024 ASPEED Technology Inc.
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/bitops.h"
+#include "qemu/timer.h"
+#include "qapi/qmp/qdict.h"
+#include "libqtest-single.h"
+
+#define AST2700_GPIO_BASE 0x14C0B000
+#define GPIOA0_CONTROL 0x180
+
+static void test_output_pins(const char *machine, const uint32_t base)
+{
+    QTestState *s = qtest_init(machine);
+    uint32_t offset = 0;
+    uint32_t value = 0;
+    uint32_t pin = 0;
+
+    for (char c = 'A'; c <= 'D'; c++) {
+        for (int i = 0; i < 8; i++) {
+            offset = base + (pin * 4);
+
+            /* output direction and output hi */
+            qtest_writel(s, offset, 0x00000003);
+            value = qtest_readl(s, offset);
+            g_assert_cmphex(value, ==, 0x00000003);
+
+            /* output direction and output low */
+            qtest_writel(s, offset, 0x00000002);
+            value = qtest_readl(s, offset);
+            g_assert_cmphex(value, ==, 0x00000002);
+            pin++;
+        }
+    }
+
+    qtest_quit(s);
+}
+
+static void test_input_pins(const char *machine, const uint32_t base)
+{
+    QTestState *s = qtest_init(machine);
+    char name[16];
+    uint32_t offset = 0;
+    uint32_t value = 0;
+    uint32_t pin = 0;
+
+    for (char c = 'A'; c <= 'D'; c++) {
+        for (int i = 0; i < 8; i++) {
+            sprintf(name, "gpio%c%d", c, i);
+            offset = base + (pin * 4);
+            /* input direction */
+            qtest_writel(s, offset, 0);
+
+            /* set input */
+            qtest_qom_set_bool(s, "/machine/soc/gpio", name, true);
+            value = qtest_readl(s, offset);
+            g_assert_cmphex(value, ==, 0x00002000);
+
+            /* clear input */
+            qtest_qom_set_bool(s, "/machine/soc/gpio", name, false);
+            value = qtest_readl(s, offset);
+            g_assert_cmphex(value, ==, 0);
+            pin++;
+        }
+    }
+
+    qtest_quit(s);
+}
+
+static void test_2700_input_pins(void)
+{
+    test_input_pins("-machine ast2700-evb",
+                    AST2700_GPIO_BASE + GPIOA0_CONTROL);
+}
+
+static void test_2700_output_pins(void)
+{
+    test_output_pins("-machine ast2700-evb",
+                     AST2700_GPIO_BASE + GPIOA0_CONTROL);
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    qtest_add_func("/ast2700/gpio/input_pins", test_2700_input_pins);
+    qtest_add_func("/ast2700/gpio/output_pins", test_2700_output_pins);
+
+    return g_test_run();
+}

tests/qtest/meson.build

@@ -210,6 +210,8 @@ qtests_aspeed = \
   ['aspeed_hace-test',
    'aspeed_smc-test',
    'aspeed_gpio-test']
+qtests_aspeed64 = \
+  ['ast2700-gpio-test']
 
 qtests_stm32l4x5 = \
   ['stm32l4x5_exti-test',
@@ -248,6 +250,7 @@ qtests_aarch64 = \
   (config_all_devices.has_key('CONFIG_RASPI') ? ['bcm2835-dma-test', 'bcm2835-i2c-test'] : []) +  \
   (config_all_accel.has_key('CONFIG_TCG') and                                            \
    config_all_devices.has_key('CONFIG_TPM_TIS_I2C') ? ['tpm-tis-i2c-test'] : []) + \
+  (config_all_devices.has_key('CONFIG_ASPEED_SOC') ? qtests_aspeed64 : []) + \
   ['arm-cpu-features',
    'numa-test',
    'boot-serial-test',