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authorRasmus Villemoes <rasmus.villemoes@prevas.dk>2020-07-06 22:01:18 +0200
committerHeiko Schocher <hs@denx.de>2020-07-09 06:02:45 +0200
commitbaed77913831325bf25dcc27ff72e1cd742a7cc3 (patch)
treee4cc1bc90bb9eb7cd4a5470c2291ee7ca53c7dd0 /test
parenta3e36525a9b853c09d5f5726eff3641cd0cb5619 (diff)
test: dm: rtc: add test of dm_rtc_read, dm_rtc_write
Define a few aux registers and check that they can be read/written individually. Also check that one can access the time-keeping registers directly and get the expected results. Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher <hs@denx.de> Signed-off-by: Rasmus Villemoes <rasmus.villemoes@prevas.dk>
Diffstat (limited to 'test')
-rw-r--r--test/dm/rtc.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/test/dm/rtc.c b/test/dm/rtc.c
index e072fd618b..ff1bc7b7f6 100644
--- a/test/dm/rtc.c
+++ b/test/dm/rtc.c
@@ -10,6 +10,7 @@
#include <log.h>
#include <rtc.h>
#include <asm/io.h>
+#include <asm/rtc.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
@@ -130,6 +131,50 @@ static int dm_test_rtc_set_get(struct unit_test_state *uts)
}
DM_TEST(dm_test_rtc_set_get, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+static int dm_test_rtc_read_write(struct unit_test_state *uts)
+{
+ struct rtc_time time;
+ struct udevice *dev, *emul;
+ long old_offset;
+ u8 buf[4], reg;
+
+ ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
+
+ memcpy(buf, "car", 4);
+ ut_assertok(dm_rtc_write(dev, REG_AUX0, buf, 4));
+ memset(buf, '\0', sizeof(buf));
+ ut_assertok(dm_rtc_read(dev, REG_AUX0, buf, 4));
+ ut_asserteq(memcmp(buf, "car", 4), 0);
+
+ reg = 'b';
+ ut_assertok(dm_rtc_write(dev, REG_AUX0, &reg, 1));
+ memset(buf, '\0', sizeof(buf));
+ ut_assertok(dm_rtc_read(dev, REG_AUX0, buf, 4));
+ ut_asserteq(memcmp(buf, "bar", 4), 0);
+
+ reg = 't';
+ ut_assertok(dm_rtc_write(dev, REG_AUX2, &reg, 1));
+ memset(buf, '\0', sizeof(buf));
+ ut_assertok(dm_rtc_read(dev, REG_AUX1, buf, 3));
+ ut_asserteq(memcmp(buf, "at", 3), 0);
+
+ ut_assertok(i2c_emul_find(dev, &emul));
+ ut_assert(emul != NULL);
+
+ old_offset = sandbox_i2c_rtc_set_offset(emul, false, 0);
+ ut_assertok(dm_rtc_get(dev, &time));
+
+ ut_assertok(dm_rtc_read(dev, REG_SEC, &reg, 1));
+ ut_asserteq(time.tm_sec, reg);
+ ut_assertok(dm_rtc_read(dev, REG_MDAY, &reg, 1));
+ ut_asserteq(time.tm_mday, reg);
+
+ sandbox_i2c_rtc_set_offset(emul, true, old_offset);
+
+ return 0;
+}
+DM_TEST(dm_test_rtc_read_write, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
/* Reset the time */
static int dm_test_rtc_reset(struct unit_test_state *uts)
{