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Anatolij Gustschin0abdd6b2011-05-29 21:16:20 +00001/*
2 * (C) Copyright 2011 DENX Software Engineering,
3 * Anatolij Gustschin <agust@denx.de>
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <command.h>
26#include <mpc5xxx.h>
27#include <asm/io.h>
28
29#define GPIO_USB1_0 0x00010000
30
31static int cmd_disp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
32{
33 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
34
35 if (argc < 2) {
36 printf("%s\n",
37 in_be32(&gpio->simple_dvo) & GPIO_USB1_0 ? "on" : "off");
38 return 0;
39 }
40
41 if (!strncmp(argv[1], "on", 2)) {
42 setbits_be32(&gpio->simple_dvo, GPIO_USB1_0);
43 } else if (!strncmp(argv[1], "off", 3)) {
44 clrbits_be32(&gpio->simple_dvo, GPIO_USB1_0);
45 } else {
46 cmd_usage(cmdtp);
47 return 1;
48 }
49 return 0;
50}
51
52U_BOOT_CMD(disp, 2, 1, cmd_disp,
53 "disp [on/off] - switch display on/off",
54 "\n - print display on/off status\n"
55 "on\n - turn on\n"
56 "off\n - turn off\n"
57);