cmd: Split out timer command from the sleep command
CONFIG_CMD_TIMER merits a single file instead of co-exist in the
sleep command file.
Signed-off-by: Bin Meng <bin.meng@windriver.com>
diff --git a/cmd/timer.c b/cmd/timer.c
new file mode 100644
index 0000000..551be5d
--- /dev/null
+++ b/cmd/timer.c
@@ -0,0 +1,34 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2001
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ */
+
+#include <common.h>
+#include <command.h>
+
+static int do_timer(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ static ulong start;
+
+ if (argc != 2)
+ return CMD_RET_USAGE;
+
+ if (!strcmp(argv[1], "start"))
+ start = get_timer(0);
+
+ if (!strcmp(argv[1], "get")) {
+ ulong msecs = get_timer(start) * 1000 / CONFIG_SYS_HZ;
+ printf("%ld.%03d\n", msecs / 1000, (int)(msecs % 1000));
+ }
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ timer, 2, 1, do_timer,
+ "access the system timer",
+ "start - Reset the timer reference.\n"
+ "timer get - Print the time since 'start'."
+);