diff options
Diffstat (limited to 'test/dm/rtc.c')
| -rw-r--r-- | test/dm/rtc.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/test/dm/rtc.c b/test/dm/rtc.c new file mode 100644 index 0000000..9397cf7 --- /dev/null +++ b/test/dm/rtc.c @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2015 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + * Written by Simon Glass <sjg@chromium.org> + */ + +#include <common.h> +#include <dm.h> +#include <rtc.h> +#include <asm/io.h> +#include <dm/test.h> +#include <dm/ut.h> +#include <asm/test.h> + +/* Simple RTC sanity check */ +static int dm_test_rtc_base(struct dm_test_state *dms) +{ + struct udevice *dev; + + ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_RTC, 2, &dev)); + ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev)); + ut_assertok(uclass_get_device(UCLASS_RTC, 1, &dev)); + + return 0; +} +DM_TEST(dm_test_rtc_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +static void show_time(const char *msg, struct rtc_time *time) +{ + printf("%s: %02d/%02d/%04d %02d:%02d:%02d\n", msg, + time->tm_mday, time->tm_mon, time->tm_year, + time->tm_hour, time->tm_min, time->tm_sec); +} + +static int cmp_times(struct rtc_time *expect, struct rtc_time *time, bool show) +{ + bool same; + + same = expect->tm_sec == time->tm_sec; + same &= expect->tm_min == time->tm_min; + same &= expect->tm_hour == time->tm_hour; + same &= expect->tm_mday == time->tm_mday; + same &= expect->tm_mon == time->tm_mon; + same &= expect->tm_year == time->tm_year; + if (!same && show) { + show_time("expected", expect); + show_time("actual", time); + } + + return same ? 0 : -EINVAL; +} + +/* Set and get the time */ +static int dm_test_rtc_set_get(struct dm_test_state *dms) +{ + struct rtc_time now, time, cmp; + struct udevice *dev, *emul; + long offset, old_offset, old_base_time; + + ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev)); + ut_assertok(dm_rtc_get(dev, &now)); + + ut_assertok(device_find_first_child(dev, &emul)); + ut_assert(emul != NULL); + + /* Tell the RTC to go into manual mode */ + old_offset = sandbox_i2c_rtc_set_offset(emul, false, 0); + old_base_time = sandbox_i2c_rtc_get_set_base_time(emul, -1); + + memset(&time, '\0', sizeof(time)); + time.tm_mday = 25; + time.tm_mon = 8; + time.tm_year = 2004; + time.tm_sec = 0; + time.tm_min = 18; + time.tm_hour = 18; + ut_assertok(dm_rtc_set(dev, &time)); + + memset(&cmp, '\0', sizeof(cmp)); + ut_assertok(dm_rtc_get(dev, &cmp)); + ut_assertok(cmp_times(&time, &cmp, true)); + + /* Increment by 1 second */ + offset = sandbox_i2c_rtc_set_offset(emul, false, 0); + sandbox_i2c_rtc_set_offset(emul, false, offset + 1); + + memset(&cmp, '\0', sizeof(cmp)); + ut_assertok(dm_rtc_get(dev, &cmp)); + ut_asserteq(1, cmp.tm_sec); + + /* Check against original offset */ + sandbox_i2c_rtc_set_offset(emul, false, old_offset); + ut_assertok(dm_rtc_get(dev, &cmp)); + ut_assertok(cmp_times(&now, &cmp, true)); + + /* Back to the original offset */ + sandbox_i2c_rtc_set_offset(emul, false, 0); + memset(&cmp, '\0', sizeof(cmp)); + ut_assertok(dm_rtc_get(dev, &cmp)); + ut_assertok(cmp_times(&now, &cmp, true)); + + /* Increment the base time by 1 emul */ + sandbox_i2c_rtc_get_set_base_time(emul, old_base_time + 1); + memset(&cmp, '\0', sizeof(cmp)); + ut_assertok(dm_rtc_get(dev, &cmp)); + if (now.tm_sec == 59) { + ut_asserteq(0, cmp.tm_sec); + } else { + ut_asserteq(now.tm_sec + 1, cmp.tm_sec); + } + + old_offset = sandbox_i2c_rtc_set_offset(emul, true, 0); + + return 0; +} +DM_TEST(dm_test_rtc_set_get, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Reset the time */ +static int dm_test_rtc_reset(struct dm_test_state *dms) +{ + struct rtc_time now; + struct udevice *dev, *emul; + long old_base_time, base_time; + + ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev)); + ut_assertok(dm_rtc_get(dev, &now)); + + ut_assertok(device_find_first_child(dev, &emul)); + ut_assert(emul != NULL); + + old_base_time = sandbox_i2c_rtc_get_set_base_time(emul, 0); + + ut_asserteq(0, sandbox_i2c_rtc_get_set_base_time(emul, -1)); + + /* Resetting the RTC should put he base time back to normal */ + ut_assertok(dm_rtc_reset(dev)); + base_time = sandbox_i2c_rtc_get_set_base_time(emul, -1); + ut_asserteq(old_base_time, base_time); + + return 0; +} +DM_TEST(dm_test_rtc_reset, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); + +/* Check that two RTC devices can be used independently */ +static int dm_test_rtc_dual(struct dm_test_state *dms) +{ + struct rtc_time now1, now2, cmp; + struct udevice *dev1, *dev2; + struct udevice *emul1, *emul2; + long offset; + + ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev1)); + ut_assertok(dm_rtc_get(dev1, &now1)); + ut_assertok(uclass_get_device(UCLASS_RTC, 1, &dev2)); + ut_assertok(dm_rtc_get(dev2, &now2)); + + ut_assertok(device_find_first_child(dev1, &emul1)); + ut_assert(emul1 != NULL); + ut_assertok(device_find_first_child(dev2, &emul2)); + ut_assert(emul2 != NULL); + + offset = sandbox_i2c_rtc_set_offset(emul1, false, -1); + sandbox_i2c_rtc_set_offset(emul2, false, offset + 1); + memset(&cmp, '\0', sizeof(cmp)); + ut_assertok(dm_rtc_get(dev2, &cmp)); + ut_asserteq(-EINVAL, cmp_times(&now1, &cmp, false)); + + memset(&cmp, '\0', sizeof(cmp)); + ut_assertok(dm_rtc_get(dev1, &cmp)); + ut_assertok(cmp_times(&now1, &cmp, true)); + + return 0; +} +DM_TEST(dm_test_rtc_dual, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT); |