X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=common%2Fcmd_misc.c;h=dc2772e85df24a8ae85303a70c5d5c9b42c30f01;hp=3ea8ee07f760e01a2c622bff5b6c8d79a0ab4bf1;hb=98ab435f736f24b503c8a9dbacc3ee1556a58106;hpb=50bd0057ba8fceeb48533f8b1a652ccd0e170838

diff --git a/common/cmd_misc.c b/common/cmd_misc.c
index 3ea8ee07f7..dc2772e85d 100644
--- a/common/cmd_misc.c
+++ b/common/cmd_misc.c
@@ -27,42 +27,56 @@
 #include <common.h>
 #include <command.h>
 
-int do_sleep (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_sleep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	ulong start = get_timer(0);
 	ulong delay;
 
-	if (argc != 2) {
-		printf ("Usage:\n%s\n", cmdtp->usage);
-		return 1;
-	}
+	if (argc != 2)
+		return CMD_RET_USAGE;
 
 	delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
 
 	while (get_timer(start) < delay) {
-		if (ctrlc ()) {
+		if (ctrlc())
 			return (-1);
-		}
-		udelay (100);
+
+		udelay(100);
 	}
 
 	return 0;
 }
 
-/* Implemented in $(CPU)/interrupts.c */
-#if defined(CONFIG_CMD_IRQ)
-int do_irqinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
-
 U_BOOT_CMD(
-	irqinfo,    1,    1,     do_irqinfo,
-	"irqinfo - print information about IRQs\n",
-	NULL
+	sleep ,    2,    1,     do_sleep,
+	"delay execution for some time",
+	"N\n"
+	"    - delay execution for N seconds (N is _decimal_ !!!)"
 );
-#endif
+
+#ifdef CONFIG_CMD_TIMER
+static int do_timer(cmd_tbl_t *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(
-	sleep ,    2,    1,     do_sleep,
-	"sleep   - delay execution for some time\n",
-	"N\n"
-	"    - delay execution for N seconds (N is _decimal_ !!!)\n"
+	timer,    2,    1,     do_timer,
+	"access the system timer",
+	"start - Reset the timer reference.\n"
+	"timer get   - Print the time since 'start'."
 );
+#endif