blob: 794bf50cb674eb8378298d12c8a5d8572f8a93a1 [file] [log] [blame]
/*
* Copyright (C) 2012 Boundary Devices Inc.
*
* 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
*/
#include <common.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/io.h>
static int do_hdmidet(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
u8 reg = readb(&hdmi->phy_stat0) & HDMI_PHY_HPD;
return (reg&HDMI_PHY_HPD) ? 0 : 1;
}
U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet,
"detect HDMI monitor",
""
);