X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=common%2Fcmd_misc.c;h=41bb860a0f9ab89dad459be808a989dbbbcd96fc;hp=126b538ce8d551ecf5e0e1df85e9d0e5924bc932;hb=a3b5e1ec3e52bd7624e832a612a23fc2dd432abb;hpb=f743931f9b4d4e15c9bdfe726bef033ea1f1402c

diff --git a/common/cmd_misc.c b/common/cmd_misc.c
index 126b538ce8..41bb860a0f 100644
--- a/common/cmd_misc.c
+++ b/common/cmd_misc.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2001
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
@@ -27,42 +11,56 @@
 #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) * CFG_HZ;
+	delay = simple_strtoul(argv[1], NULL, 10) * CONFIG_SYS_HZ;
 
 	while (get_timer(start) < delay) {
-		if (ctrlc ()) {
-			return (-1);
-		}
-		udelay (100);
+		if (ctrlc())
+			return CMD_RET_FAILURE;
+
+		udelay(100);
 	}
 
-	return 0;
+	return CMD_RET_SUCCESS;
 }
 
-/* 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