Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx>
---
commands/Kconfig | 8 ++++++++
commands/Makefile | 1 +
commands/hwclock.c | 37 +++++++++++++++++++++++++++++++++++++
3 files changed, 46 insertions(+)
diff --git a/commands/Kconfig b/commands/Kconfig
index 61816f5..a594f7c 100644
--- a/commands/Kconfig
+++ b/commands/Kconfig
@@ -1691,6 +1691,14 @@ config CMD_GPIO
Usage: gpio_set_value GPIO VALUE
+config CMD_HWCLOCK
+ bool
+ depends on RTC_CLASS
+ prompt "hwclock command"
+ default y
+ help
+ The lspci command allows to query or set the hardware clock (RTC).
+
config CMD_I2C
bool
depends on I2C
diff --git a/commands/Makefile b/commands/Makefile
index d42aca5..44dd9d4 100644
--- a/commands/Makefile
+++ b/commands/Makefile
@@ -100,3 +100,4 @@ obj-$(CONFIG_CMD_MENUTREE) += menutree.o
obj-$(CONFIG_CMD_2048) += 2048.o
obj-$(CONFIG_CMD_REGULATOR) += regulator.o
obj-$(CONFIG_CMD_LSPCI) += lspci.o
+obj-$(CONFIG_CMD_HWCLOCK) += hwclock.o
diff --git a/commands/hwclock.c b/commands/hwclock.c
new file mode 100644
index 0000000..4671fee
--- /dev/null
+++ b/commands/hwclock.c
@@ -0,0 +1,37 @@
+#include <common.h>
+#include <command.h>
+#include <getopt.h>
+#include <linux/err.h>
+#include <rtc.h>
+#include <linux/rtc.h>
+
+static int do_hwclock(int argc, char *argv[])
+{
+ struct rtc_device *r;
+ struct rtc_time tm;
+ char *rtc_name;
+
+ rtc_name = "rtc0";
+
+ if (argc > 1)
+ rtc_name = argv[1];
+
+ r = rtc_lookup(rtc_name);
+ if (IS_ERR(r))
+ return PTR_ERR(r);
+
+ rtc_read_time(r, &tm);
+
+ printf("%02d:%02d:%02d %02d-%02d-%04d\n",
+ tm.tm_hour, tm.tm_min, tm.tm_sec,
+ tm.tm_mday, tm.tm_mon, tm.tm_year);
+
+ return 0;
+}
+
+BAREBOX_CMD_START(hwclock)
+ .cmd = do_hwclock,
+ BAREBOX_CMD_DESC("query or set the hardware clock (RTC)")
+ BAREBOX_CMD_OPTS("[RTC]")
+ BAREBOX_CMD_GROUP(CMD_GRP_HWMANIP)
+BAREBOX_CMD_END
--
2.0.1
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