Compiling The Kernel In The Cd-Rom; Summary Of The Drivers In Linux Kernel - Embest BeagleBone-HDMI Cape User Manual

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Note:
 Appear below error information indicates that uImage no generation;
"mkimage" command not found - U-Boot images will not be built
make[1]: *** [arch/arm/boot/uImage] Error 1
make: *** [uImage] Error 2
 A method to solve this problem, please first compile the
u-boot-2011.09-psp04.06.00.03 to generate a file named mkimage, and then enter the
following command to configure environment variables for mkimage;
export PATH=$HOME/ti-sdk-am335x-evm-05.03.02.00/
board-support/u-boot-2011.09-psp04.06.00.03/am335x/tools:$PATH

4.4.2 Compiling the kernel in the CD-ROM

1） Copy linux-3.1.0-psp04.06.00.03.sdk.tar.bz2 from linux/source of the
CD-ROM to $HOME;
2） Enter the following commands in the Ubuntu terminal window to compile the
kernel;
$ cd $HOME
$ tar xvf linux-3.1.0-psp04.06.00.03.sdk.tar.bz2
$ cd linux-3.1.0-psp04.06.00.03.sdk
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi-
am335x_hdmi_defconfig
$ make ARCH=arm CROSS_COMPILE=arm-arago-linux-gnueabi- uImage

4.5 Summary of the Drivers in Linux Kernel

 Sound card driver
Located at sound/soc/codecs/tlv320aic3x.c
 Video driver
The driver for HDMI chip is located at drivers/media/video/sii9022a.c;
Files named da8xx-fb.c, da8xxfb_sysfs.c and da8xxfb_sysfs.h can be found
under drivers/video. The da8xxfb_sysfs.c is used to generate device node to
control the ON/OFF of HDMI output and switch between two video resolutions.
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Table 11 Compile the kernel in the CD-ROM
BeagleBone-HDMI User Manual
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