diff options
Diffstat (limited to 'arch/arm/mach-imx/cmd_hdmidet.c')
-rw-r--r-- | arch/arm/mach-imx/cmd_hdmidet.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/cmd_hdmidet.c b/arch/arm/mach-imx/cmd_hdmidet.c new file mode 100644 index 0000000000..e9fd9553cf --- /dev/null +++ b/arch/arm/mach-imx/cmd_hdmidet.c @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2012 Boundary Devices Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#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; + return (readb(&hdmi->phy_stat0) & HDMI_DVI_STAT) ? 0 : 1; +} + +U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet, + "detect HDMI monitor", + "" +); |