diff options
Diffstat (limited to 'tests/qtest/cmsdk-apb-watchdog-test.c')
| -rw-r--r-- | tests/qtest/cmsdk-apb-watchdog-test.c | 112 |
1 files changed, 82 insertions, 30 deletions
diff --git a/tests/qtest/cmsdk-apb-watchdog-test.c b/tests/qtest/cmsdk-apb-watchdog-test.c index 00b5dbbc81..bdf6cfa256 100644 --- a/tests/qtest/cmsdk-apb-watchdog-test.c +++ b/tests/qtest/cmsdk-apb-watchdog-test.c @@ -15,14 +15,12 @@ */ #include "qemu/osdep.h" +#include "exec/hwaddr.h" #include "qemu/bitops.h" #include "libqtest-single.h" -/* - * lm3s811evb watchdog; at board startup this runs at 200MHz / 16 == 12.5MHz, - * which is 80ns per tick. - */ #define WDOG_BASE 0x40000000 +#define WDOG_BASE_MPS2 0x40008000 #define WDOGLOAD 0 #define WDOGVALUE 4 @@ -37,39 +35,87 @@ #define SYSDIV_SHIFT 23 #define SYSDIV_LENGTH 4 -static void test_watchdog(void) +#define WDOGLOAD_DEFAULT 0xFFFFFFFF +#define WDOGVALUE_DEFAULT 0xFFFFFFFF + +typedef struct CMSDKAPBWatchdogTestArgs { + int64_t tick; + hwaddr wdog_base; + const char *machine; +} CMSDKAPBWatchdogTestArgs; + +enum { + MACHINE_LM3S811EVB, + MACHINE_MPS2_AN385, +}; + +/* + * lm3s811evb watchdog; at board startup this runs at 200MHz / 16 == 12.5MHz, + * which is 80ns per tick. + * + * IoTKit/ARMSSE dualtimer; driven at 25MHz in mps2-an385, so 40ns per tick + */ +static const CMSDKAPBWatchdogTestArgs machine_info[] = { + [MACHINE_LM3S811EVB] = { + .tick = 80, + .wdog_base = WDOG_BASE, + .machine = "lm3s811evb", + }, + [MACHINE_MPS2_AN385] = { + .tick = 40, + .wdog_base = WDOG_BASE_MPS2, + .machine = "mps2-an385", + }, +}; + +static void test_watchdog(const void *ptr) { - g_assert_cmpuint(readl(WDOG_BASE + WDOGRIS), ==, 0); + const CMSDKAPBWatchdogTestArgs *args = ptr; + hwaddr wdog_base = args->wdog_base; + int64_t tick = args->tick; + g_autofree gchar *cmdline = g_strdup_printf("-machine %s", args->machine); + qtest_start(cmdline); - writel(WDOG_BASE + WDOGCONTROL, 1); - writel(WDOG_BASE + WDOGLOAD, 1000); + g_assert_cmpuint(readl(wdog_base + WDOGRIS), ==, 0); + + writel(wdog_base + WDOGCONTROL, 1); + writel(wdog_base + WDOGLOAD, 1000); /* Step to just past the 500th tick */ - clock_step(500 * 80 + 1); - g_assert_cmpuint(readl(WDOG_BASE + WDOGRIS), ==, 0); - g_assert_cmpuint(readl(WDOG_BASE + WDOGVALUE), ==, 500); + clock_step(500 * tick + 1); + g_assert_cmpuint(readl(wdog_base + WDOGRIS), ==, 0); + g_assert_cmpuint(readl(wdog_base + WDOGVALUE), ==, 500); /* Just past the 1000th tick: timer should have fired */ - clock_step(500 * 80); - g_assert_cmpuint(readl(WDOG_BASE + WDOGRIS), ==, 1); - g_assert_cmpuint(readl(WDOG_BASE + WDOGVALUE), ==, 0); + clock_step(500 * tick); + g_assert_cmpuint(readl(wdog_base + WDOGRIS), ==, 1); + g_assert_cmpuint(readl(wdog_base + WDOGVALUE), ==, 0); /* VALUE reloads at following tick */ - clock_step(80); - g_assert_cmpuint(readl(WDOG_BASE + WDOGVALUE), ==, 1000); + clock_step(tick); + g_assert_cmpuint(readl(wdog_base + WDOGVALUE), ==, 1000); /* Writing any value to WDOGINTCLR clears the interrupt and reloads */ - clock_step(500 * 80); - g_assert_cmpuint(readl(WDOG_BASE + WDOGVALUE), ==, 500); - g_assert_cmpuint(readl(WDOG_BASE + WDOGRIS), ==, 1); - writel(WDOG_BASE + WDOGINTCLR, 0); - g_assert_cmpuint(readl(WDOG_BASE + WDOGVALUE), ==, 1000); - g_assert_cmpuint(readl(WDOG_BASE + WDOGRIS), ==, 0); + clock_step(500 * tick); + g_assert_cmpuint(readl(wdog_base + WDOGVALUE), ==, 500); + g_assert_cmpuint(readl(wdog_base + WDOGRIS), ==, 1); + writel(wdog_base + WDOGINTCLR, 0); + g_assert_cmpuint(readl(wdog_base + WDOGVALUE), ==, 1000); + g_assert_cmpuint(readl(wdog_base + WDOGRIS), ==, 0); + + qtest_end(); } -static void test_clock_change(void) +/* + * This test can only be executed in the stellaris board since it relies on a + * component of the board to change the clocking parameters of the watchdog. + */ +static void test_clock_change(const void *ptr) { uint32_t rcc; + const CMSDKAPBWatchdogTestArgs *args = ptr; + g_autofree gchar *cmdline = g_strdup_printf("-machine %s", args->machine); + qtest_start(cmdline); /* * Test that writing to the stellaris board's RCC register to @@ -109,6 +155,8 @@ static void test_clock_change(void) writel(WDOG_BASE + WDOGINTCLR, 0); g_assert_cmpuint(readl(WDOG_BASE + WDOGVALUE), ==, 1000); g_assert_cmpuint(readl(WDOG_BASE + WDOGRIS), ==, 0); + + qtest_end(); } int main(int argc, char **argv) @@ -117,15 +165,19 @@ int main(int argc, char **argv) g_test_init(&argc, &argv, NULL); - qtest_start("-machine lm3s811evb"); - - qtest_add_func("/cmsdk-apb-watchdog/watchdog", test_watchdog); - qtest_add_func("/cmsdk-apb-watchdog/watchdog_clock_change", - test_clock_change); + if (qtest_has_machine(machine_info[MACHINE_LM3S811EVB].machine)) { + qtest_add_data_func("/cmsdk-apb-watchdog/watchdog", + &machine_info[MACHINE_LM3S811EVB], test_watchdog); + qtest_add_data_func("/cmsdk-apb-watchdog/watchdog_clock_change", + &machine_info[MACHINE_LM3S811EVB], + test_clock_change); + } + if (qtest_has_machine(machine_info[MACHINE_MPS2_AN385].machine)) { + qtest_add_data_func("/cmsdk-apb-watchdog/watchdog_mps2", + &machine_info[MACHINE_MPS2_AN385], test_watchdog); + } r = g_test_run(); - qtest_end(); - return r; } |