1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2012 Boundary Devices Inc.
4 */
5 #include <common.h>
6 #include <command.h>
7 #include <asm/arch/imx-regs.h>
8 #include <asm/arch/mxc_hdmi.h>
9 #include <asm/io.h>
10
do_hdmidet(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])11 static int do_hdmidet(struct cmd_tbl *cmdtp, int flag, int argc,
12 char *const argv[])
13 {
14 struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
15 return (readb(&hdmi->phy_stat0) & HDMI_DVI_STAT) ? 0 : 1;
16 }
17
18 U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet,
19 "detect HDMI monitor",
20 ""
21 );
22