diff options
| author | Nandor Han <nandor.han@vaisala.com> | 2021-06-10 16:56:45 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-07-23 17:16:39 +0300 |
| commit | c74675bd904b6ce9d5820a80f27793c0583fd54c (patch) | |
| tree | b9b6e93ebe0d54334e3bf96b70e6a556a01a0f7c /test | |
| parent | f9db2f16cb6fc7b6d05b0e70de65881bc97ba5c2 (diff) | |
| download | u-boot-c74675bd904b6ce9d5820a80f27793c0583fd54c.tar.xz | |
reboot-mode: read the boot mode from RTC memory
RTC devices could provide battery-backed memory that can be used for
storing the reboot mode magic value.
Add a new reboot-mode back-end that uses RTC to store the reboot-mode
magic value. The driver also supports both endianness modes.
Signed-off-by: Nandor Han <nandor.han@vaisala.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'test')
| -rw-r--r-- | test/dm/reboot-mode.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/test/dm/reboot-mode.c b/test/dm/reboot-mode.c index 66aa4793f7..fbb9c3a542 100644 --- a/test/dm/reboot-mode.c +++ b/test/dm/reboot-mode.c @@ -9,10 +9,13 @@ #include <env.h> #include <log.h> #include <asm/gpio.h> +#include <asm/rtc.h> #include <asm/test.h> #include <dm/test.h> #include <test/test.h> #include <test/ut.h> +#include <rtc.h> +#include <linux/byteorder/generic.h> static int dm_test_reboot_mode_gpio(struct unit_test_state *uts) { @@ -40,3 +43,29 @@ static int dm_test_reboot_mode_gpio(struct unit_test_state *uts) DM_TEST(dm_test_reboot_mode_gpio, UT_TESTF_PROBE_TEST | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE); + +static int dm_test_reboot_mode_rtc(struct unit_test_state *uts) +{ + struct udevice *rtc_dev; + struct udevice *rm_dev; + u32 read_val; + u32 test_magic_val = cpu_to_be32(0x21969147); + + uclass_get_device_by_name(UCLASS_RTC, "rtc@43", + &rtc_dev); + dm_rtc_write(rtc_dev, REG_AUX0, (u8 *)&test_magic_val, 4); + + ut_assertok(uclass_get_device_by_name(UCLASS_REBOOT_MODE, + "reboot-mode@14", &rm_dev)); + ut_assertok(dm_reboot_mode_update(rm_dev)); + + ut_asserteq_str("test", env_get("bootstatus")); + + dm_rtc_read(rtc_dev, REG_AUX0, (u8 *)&read_val, 4); + ut_asserteq(read_val, 0); + + return 0; +} + +DM_TEST(dm_test_reboot_mode_rtc, + UT_TESTF_PROBE_TEST | UT_TESTF_SCAN_FDT | UT_TESTF_FLAT_TREE); |