Signed-off-by: Eric Nelson eric.nelson@boundarydevices.com --- arch/arm/imx-common/Makefile | 1 + arch/arm/imx-common/cmd_hdmidet.c | 37 +++++++++++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+), 0 deletions(-) create mode 100644 arch/arm/imx-common/cmd_hdmidet.c
diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile index 31dc52e..7c1e34c 100644 --- a/arch/arm/imx-common/Makefile +++ b/arch/arm/imx-common/Makefile @@ -33,6 +33,7 @@ COBJS-$(CONFIG_I2C_MXC) += i2c-mxv7.o endif COBJS-$(CONFIG_CMD_BMODE) += cmd_bmode.o COBJS-y += preboot_os.o +COBJS-$(CONFIG_CMD_HDMIDETECT) += cmd_hdmidet.o COBJS := $(sort $(COBJS-y))
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/arch/arm/imx-common/cmd_hdmidet.c b/arch/arm/imx-common/cmd_hdmidet.c new file mode 100644 index 0000000..ede5d88 --- /dev/null +++ b/arch/arm/imx-common/cmd_hdmidet.c @@ -0,0 +1,37 @@ +/* + * 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> + +int do_hdmidet(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + u8 reg = __raw_readb(HDMI_ARB_BASE_ADDR+HDMI_PHY_STAT0); + return (reg&HDMI_PHY_HPD) + ? 0 : 1; +} + +U_BOOT_CMD(hdmidet, 1, 1, do_hdmidet, + "detect HDMI monitor", + "" +);