[U-Boot] [PATCH 2/2] i.MX: shut down video before launch of O/S

Eric Nelson
2012-09-21T20:56:59Z

arch/arm/imx-common/Makefile | 1 +
arch/arm/imx-common/preboot_os.c | 34 ++++++++++++++++++++++++++++++++++
2 files changed, 35 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/imx-common/preboot_os.c

diff --git a/arch/arm/imx-common/Makefile b/arch/arm/imx-common/Makefile
index b3e608e..31dc52e 100644
--- a/arch/arm/imx-common/Makefile
+++ b/arch/arm/imx-common/Makefile
@@ -32,6 +32,7 @@ COBJS-y = iomux-v3.o timer.o cpu.o speed.o
COBJS-$(CONFIG_I2C_MXC) += i2c-mxv7.o
endif
COBJS-$(CONFIG_CMD_BMODE) += cmd_bmode.o
+COBJS-y += preboot_os.o
COBJS := $(sort $(COBJS-y))

SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/arch/arm/imx-common/preboot_os.c b/arch/arm/imx-common/preboot_os.c
new file mode 100644
index 0000000..ed7a9e0
--- /dev/null
+++ b/arch/arm/imx-common/preboot_os.c
@@ -0,0 +1,34 @@
+/*
+ * 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>
+
+#if defined(CONFIG_VIDEO_IPUV3)
+#include <ipu_pixfmt.h>
+#endif
+
+void arch_preboot_os(void)
+{
+#if defined(CONFIG_VIDEO_IPUV3)
+ /* disable video before launching O/S */
+ ipuv3_fb_shutdown();
+#endif
+}
--
1.7.9