X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;ds=sidebyside;f=common%2Fcmd_portio.c;h=bf3a99791ce2d8a7f924c74a4b7c5fb308623535;hb=efcf861931f987d82b11caed75b8c2ad9d709274;hp=afa39e1ebd936a2dfa6bc542babce079d0e22836;hpb=7a8e9bed17d7924a9c5c4699b1f6a3a0359524ed;p=karo-tx-uboot.git

diff --git a/common/cmd_portio.c b/common/cmd_portio.c
index afa39e1ebd..bf3a99791c 100644
--- a/common/cmd_portio.c
+++ b/common/cmd_portio.c
@@ -2,23 +2,7 @@
  * (C) Copyright 2003
  * Marc Singer, elf@buici.com
  *
- * 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+
  */
 
 /*
@@ -29,11 +13,6 @@
 
 #include <common.h>
 #include <command.h>
-#include <cmd_portio.h>
-
-#if (CONFIG_COMMANDS & CFG_CMD_PORTIO)
-
-extern int cmd_get_data_size (char *arg, int default_size);
 
 /* Display values from last command.
  * Memory modify remembered values are different from display memory.
@@ -42,19 +21,18 @@ static uint in_last_addr, in_last_size;
 static uint out_last_addr, out_last_size, out_last_value;
 
 
-int do_portio_out (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+int do_portio_out (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
 	uint addr = out_last_addr;
 	uint size = out_last_size;
 	uint value = out_last_value;
 
-	if (argc != 3) {
-		printf ("Usage:\n%s\n", cmdtp->usage);
-		return 1;
-	}
+	if (argc != 3)
+		return CMD_RET_USAGE;
 
 	if ((flag & CMD_FLAG_REPEAT) == 0) {
-		/* New command specified.  Check for a size specification.
+		/*
+		 * New command specified.  Check for a size specification.
 		 * Defaults to long if no or incorrect specification.
 		 */
 		size = cmd_get_data_size (argv[0], 1);
@@ -96,18 +74,23 @@ int do_portio_out (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	return 0;
 }
 
-int do_portio_in (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
+U_BOOT_CMD(
+	out,	3,	1,	do_portio_out,
+	"write datum to IO port",
+	"[.b, .w, .l] port value\n    - output to IO port"
+);
+
+int do_portio_in (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
 	uint addr = in_last_addr;
 	uint size = in_last_size;
 
-	if (argc != 2) {
-		printf ("Usage:\n%s\n", cmdtp->usage);
-		return 1;
-	}
+	if (argc != 2)
+		return CMD_RET_USAGE;
 
 	if ((flag & CMD_FLAG_REPEAT) == 0) {
-		/* New command specified.  Check for a size specification.
+		/*
+		 * New command specified.  Check for a size specification.
 		 * Defaults to long if no or incorrect specification.
 		 */
 		size = cmd_get_data_size (argv[0], 1);
@@ -154,4 +137,9 @@ int do_portio_in (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 	return 0;
 }
 
-#endif	/* CFG_CMD_PORTIO */
+U_BOOT_CMD(
+	in,	2,	1,	do_portio_in,
+	"read data from an IO port",
+	"[.b, .w, .l] port\n"
+	"    - read datum from IO port"
+);