| Eric Nelson | b94cfae | 2013-03-09 07:06:09 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Boundary Devices Inc. |
| 3 | * |
| Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame^] | 4 | * SPDX-License-Identifier: GPL-2.0+ |
| Eric Nelson | b94cfae | 2013-03-09 07:06:09 +0000 | [diff] [blame] | 5 | */ |
| 6 | #include <common.h> |
| 7 | #include <asm/arch/imx-regs.h> |
| 8 | #include <asm/arch/mxc_hdmi.h> |
| 9 | #include <asm/io.h> |
| 10 | |
| 11 | static int do_hdmidet(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) |
| 12 | { |
| 13 | struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; |
| 14 | u8 reg = readb(&hdmi->phy_stat0) & HDMI_PHY_HPD; |
| 15 | return (reg&HDMI_PHY_HPD) ? 0 : 1; |
| 16 | } |
| 17 | |
| 18 | U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet, |
| 19 | "detect HDMI monitor", |
| 20 | "" |
| 21 | ); |