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Diffstat (limited to 'arch/arm/mach-imx/cmd_hdmidet.c')
-rw-r--r--arch/arm/mach-imx/cmd_hdmidet.c20
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",
+ ""
+);