mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-10 23:24:38 +00:00
21ddac140e
At present the sandbox timer uses localtime() which can jump around twice a year when daylight-saving time changes. It would be tricky to make use of gmtime() since we still need to present the time in local time, as seems to be required by U-Boot's RTC interface. The problem can only happen once, so use a loop to detect it and try again. This should be sufficient to detect either a change in the 'second' value, or a daylight-saving change. We can assume that the latter also incorporates a 'second' change, so there is no need to loop more than twice. Signed-off-by: Simon Glass <sjg@chromium.org>
316 lines
8.5 KiB
C
316 lines
8.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2015 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#include <common.h>
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#include <console.h>
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#include <dm.h>
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#include <i2c.h>
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#include <log.h>
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#include <rtc.h>
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#include <asm/io.h>
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#include <asm/rtc.h>
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#include <asm/test.h>
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#include <dm/test.h>
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#include <test/test.h>
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#include <test/ut.h>
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/* Simple RTC sanity check */
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static int dm_test_rtc_base(struct unit_test_state *uts)
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{
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struct udevice *dev;
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ut_asserteq(-ENODEV, uclass_get_device_by_seq(UCLASS_RTC, 2, &dev));
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ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
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ut_assertok(uclass_get_device(UCLASS_RTC, 1, &dev));
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return 0;
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}
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DM_TEST(dm_test_rtc_base, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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static void show_time(const char *msg, struct rtc_time *time)
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{
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printf("%s: %02d/%02d/%04d %02d:%02d:%02d\n", msg,
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time->tm_mday, time->tm_mon, time->tm_year,
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time->tm_hour, time->tm_min, time->tm_sec);
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}
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static int cmp_times(struct rtc_time *expect, struct rtc_time *time, bool show)
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{
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bool same;
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same = expect->tm_sec == time->tm_sec;
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same &= expect->tm_min == time->tm_min;
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same &= expect->tm_hour == time->tm_hour;
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same &= expect->tm_mday == time->tm_mday;
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same &= expect->tm_mon == time->tm_mon;
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same &= expect->tm_year == time->tm_year;
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if (!same && show) {
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show_time("expected", expect);
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show_time("actual", time);
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}
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return same ? 0 : -EINVAL;
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}
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/* Set and get the time */
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static int dm_test_rtc_set_get(struct unit_test_state *uts)
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{
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struct rtc_time now, time, cmp;
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struct udevice *dev, *emul;
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long offset, check_offset, old_offset, old_base_time;
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int i;
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ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
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ut_assertok(i2c_emul_find(dev, &emul));
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ut_assertnonnull(emul);
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/* Get the offset, putting the RTC into manual mode */
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i = 0;
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do {
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check_offset = sandbox_i2c_rtc_set_offset(emul, false, 0);
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ut_assertok(dm_rtc_get(dev, &now));
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/* Tell the RTC to go into manual mode */
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old_offset = sandbox_i2c_rtc_set_offset(emul, false, 0);
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/* If the times changed in that period, read it again */
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} while (++i < 2 && check_offset != old_offset);
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ut_asserteq(check_offset, old_offset);
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old_base_time = sandbox_i2c_rtc_get_set_base_time(emul, -1);
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memset(&time, '\0', sizeof(time));
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time.tm_mday = 3;
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time.tm_mon = 6;
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time.tm_year = 2004;
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time.tm_sec = 0;
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time.tm_min = 18;
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time.tm_hour = 18;
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ut_assertok(dm_rtc_set(dev, &time));
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memset(&cmp, '\0', sizeof(cmp));
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ut_assertok(dm_rtc_get(dev, &cmp));
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ut_assertok(cmp_times(&time, &cmp, true));
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memset(&time, '\0', sizeof(time));
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time.tm_mday = 31;
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time.tm_mon = 8;
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time.tm_year = 2004;
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time.tm_sec = 0;
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time.tm_min = 18;
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time.tm_hour = 18;
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ut_assertok(dm_rtc_set(dev, &time));
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memset(&cmp, '\0', sizeof(cmp));
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ut_assertok(dm_rtc_get(dev, &cmp));
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ut_assertok(cmp_times(&time, &cmp, true));
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/* Increment by 1 second */
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offset = sandbox_i2c_rtc_set_offset(emul, false, 0);
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sandbox_i2c_rtc_set_offset(emul, false, offset + 1);
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memset(&cmp, '\0', sizeof(cmp));
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ut_assertok(dm_rtc_get(dev, &cmp));
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ut_asserteq(1, cmp.tm_sec);
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/* Check against original offset */
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sandbox_i2c_rtc_set_offset(emul, false, old_offset);
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ut_assertok(dm_rtc_get(dev, &cmp));
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ut_assertok(cmp_times(&now, &cmp, true));
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/* Back to the original offset */
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sandbox_i2c_rtc_set_offset(emul, false, 0);
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memset(&cmp, '\0', sizeof(cmp));
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ut_assertok(dm_rtc_get(dev, &cmp));
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ut_assertok(cmp_times(&now, &cmp, true));
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/* Increment the base time by 1 emul */
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sandbox_i2c_rtc_get_set_base_time(emul, old_base_time + 1);
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memset(&cmp, '\0', sizeof(cmp));
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ut_assertok(dm_rtc_get(dev, &cmp));
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if (now.tm_sec == 59) {
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ut_asserteq(0, cmp.tm_sec);
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} else {
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ut_asserteq(now.tm_sec + 1, cmp.tm_sec);
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}
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/* return RTC to normal mode */
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sandbox_i2c_rtc_set_offset(emul, true, 0);
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return 0;
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}
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DM_TEST(dm_test_rtc_set_get, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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static int dm_test_rtc_read_write(struct unit_test_state *uts)
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{
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struct rtc_time time;
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struct udevice *dev, *emul;
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long old_offset;
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u8 buf[4], reg;
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ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
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memcpy(buf, "car", 4);
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ut_assertok(dm_rtc_write(dev, REG_AUX0, buf, 4));
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memset(buf, '\0', sizeof(buf));
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ut_assertok(dm_rtc_read(dev, REG_AUX0, buf, 4));
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ut_asserteq(memcmp(buf, "car", 4), 0);
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reg = 'b';
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ut_assertok(dm_rtc_write(dev, REG_AUX0, ®, 1));
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memset(buf, '\0', sizeof(buf));
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ut_assertok(dm_rtc_read(dev, REG_AUX0, buf, 4));
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ut_asserteq(memcmp(buf, "bar", 4), 0);
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reg = 't';
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ut_assertok(dm_rtc_write(dev, REG_AUX2, ®, 1));
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memset(buf, '\0', sizeof(buf));
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ut_assertok(dm_rtc_read(dev, REG_AUX1, buf, 3));
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ut_asserteq(memcmp(buf, "at", 3), 0);
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ut_assertok(i2c_emul_find(dev, &emul));
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ut_assertnonnull(emul);
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old_offset = sandbox_i2c_rtc_set_offset(emul, false, 0);
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ut_assertok(dm_rtc_get(dev, &time));
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ut_assertok(dm_rtc_read(dev, REG_SEC, ®, 1));
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ut_asserteq(time.tm_sec, reg);
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ut_assertok(dm_rtc_read(dev, REG_MDAY, ®, 1));
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ut_asserteq(time.tm_mday, reg);
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sandbox_i2c_rtc_set_offset(emul, true, old_offset);
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return 0;
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}
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DM_TEST(dm_test_rtc_read_write, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test 'rtc list' command */
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static int dm_test_rtc_cmd_list(struct unit_test_state *uts)
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{
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console_record_reset();
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run_command("rtc list", 0);
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ut_assert_nextline("RTC #0 - rtc@43");
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ut_assert_nextline("RTC #1 - rtc@61");
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ut_assert_console_end();
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return 0;
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}
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DM_TEST(dm_test_rtc_cmd_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Test 'rtc read' and 'rtc write' commands */
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static int dm_test_rtc_cmd_rw(struct unit_test_state *uts)
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{
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console_record_reset();
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run_command("rtc dev 0", 0);
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ut_assert_nextline("RTC #0 - rtc@43");
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ut_assert_console_end();
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run_command("rtc write 0x30 aabb", 0);
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ut_assert_console_end();
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run_command("rtc read 0x30 2", 0);
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ut_assert_nextline("00000030: aa bb ..");
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ut_assert_console_end();
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run_command("rtc dev 1", 0);
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ut_assert_nextline("RTC #1 - rtc@61");
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ut_assert_console_end();
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run_command("rtc write 0x30 ccdd", 0);
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ut_assert_console_end();
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run_command("rtc read 0x30 2", 0);
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ut_assert_nextline("00000030: cc dd ..");
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ut_assert_console_end();
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/*
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* Switch back to device #0, check that its aux registers
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* still have the same values.
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*/
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run_command("rtc dev 0", 0);
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ut_assert_nextline("RTC #0 - rtc@43");
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ut_assert_console_end();
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run_command("rtc read 0x30 2", 0);
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ut_assert_nextline("00000030: aa bb ..");
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ut_assert_console_end();
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return 0;
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}
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DM_TEST(dm_test_rtc_cmd_rw, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Reset the time */
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static int dm_test_rtc_reset(struct unit_test_state *uts)
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{
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struct rtc_time now;
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struct udevice *dev, *emul;
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long old_base_time, base_time;
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int i;
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ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
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ut_assertok(dm_rtc_get(dev, &now));
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ut_assertok(i2c_emul_find(dev, &emul));
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ut_assertnonnull(emul);
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i = 0;
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do {
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old_base_time = sandbox_i2c_rtc_get_set_base_time(emul, 0);
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ut_asserteq(0, sandbox_i2c_rtc_get_set_base_time(emul, -1));
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ut_assertok(dm_rtc_reset(dev));
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base_time = sandbox_i2c_rtc_get_set_base_time(emul, -1);
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/*
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* Resetting the RTC should put the base time back to normal.
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* Allow for a one-timeadjustment in case the time flips over
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* while this test process is pre-empted (either by a second
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* or a daylight-saving change), since reset_time() in
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* i2c_rtc_emul.c reads the time from the OS.
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*/
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} while (++i < 2 && base_time != old_base_time);
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ut_asserteq(old_base_time, base_time);
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return 0;
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}
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DM_TEST(dm_test_rtc_reset, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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/* Check that two RTC devices can be used independently */
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static int dm_test_rtc_dual(struct unit_test_state *uts)
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{
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struct rtc_time now1, now2, cmp;
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struct udevice *dev1, *dev2;
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struct udevice *emul1, *emul2;
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long offset;
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ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev1));
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ut_assertok(dm_rtc_get(dev1, &now1));
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ut_assertok(uclass_get_device(UCLASS_RTC, 1, &dev2));
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ut_assertok(dm_rtc_get(dev2, &now2));
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ut_assertok(i2c_emul_find(dev1, &emul1));
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ut_assertnonnull(emul1);
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ut_assertok(i2c_emul_find(dev2, &emul2));
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ut_assertnonnull(emul2);
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offset = sandbox_i2c_rtc_set_offset(emul1, false, -1);
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sandbox_i2c_rtc_set_offset(emul2, false, offset + 1);
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memset(&cmp, '\0', sizeof(cmp));
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ut_assertok(dm_rtc_get(dev2, &cmp));
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ut_asserteq(-EINVAL, cmp_times(&now1, &cmp, false));
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memset(&cmp, '\0', sizeof(cmp));
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ut_assertok(dm_rtc_get(dev1, &cmp));
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ut_assertok(cmp_times(&now1, &cmp, true));
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return 0;
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}
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DM_TEST(dm_test_rtc_dual, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
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