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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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* (C) Copyright 2011 DENX Software Engineering,
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* Anatolij Gustschin <agust@denx.de>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <mpc5xxx.h>
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#include <asm/io.h>
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#define GPIO_USB1_0 0x00010000
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static int cmd_disp(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
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if (argc < 2) {
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printf("%s\n",
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in_be32(&gpio->simple_dvo) & GPIO_USB1_0 ? "on" : "off");
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return 0;
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}
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if (!strncmp(argv[1], "on", 2)) {
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setbits_be32(&gpio->simple_dvo, GPIO_USB1_0);
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} else if (!strncmp(argv[1], "off", 3)) {
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clrbits_be32(&gpio->simple_dvo, GPIO_USB1_0);
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} else {
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cmd_usage(cmdtp);
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return 1;
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}
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return 0;
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}
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U_BOOT_CMD(disp, 2, 1, cmd_disp,
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"disp [on/off] - switch display on/off",
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"\n - print display on/off status\n"
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"on\n - turn on\n"
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"off\n - turn off\n"
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);
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