Revision as of 10:36, 12 July 2016

Introduction

This article is for specific 2.6.37.y Linux kernel branch serie.
It is interesting read The Linux kernel article previously.

On this 2.6.37.y version, supported IGEP Processor Boards are:

• IGEP COM MODULE / ELECTRON (IGEP0030)
• IGEP v2 (IGEP0020)

The currently supported IGEP Expansion Boards are as follows:

• IGEP PARIS / BERLIN (BASE0010)

Older IGEP devices (Marvell wifi and NO wifi versions) - P/N: IGEP0020-RCxx, IGEP0030-RExx, IGEP0020-RF7x and IGEP0030-RG7x

Binaries: latest stable kernel version for older IGEP devices is: 2.6.37-11 (20151008)

See Linux_Kernel_2.6.37.y

Newer IGEP devices (TI Wilink8 wifi versions) - P/N: IGEP0020-RF6x, IGEP0030-RG6x

Binaries: latest stable kernel version for newer IGEP devices is: 2.6.37-11-wilink8 (20151008)

Build kernel from sources

Download the latest stable version sources (same version/branch for all newer and older igep00x0 devices) and follow next steps:

wget http://downloads.isee.biz/pub/releases/linux_kernel/v2.6.37-11/linux-omap-2.6.37-11.tar.gz
tar xzf linux-omap-2.6.37-11.tar.gz
cd [kernel version]

Configure Linux kernel for IGEP devices. IGEP is ARM architecture based device. For newer wilink8 wifi version, it should be used a new 'igep00x0_wilink8_defconfig' file. (patch)

make ARCH=arm igep00x0_wilink8_defconfig

Then build the kernel and kernel modules. The result will be an zImage file in arch/arm/boot directory. Execute:

make ARCH=arm CROSS_COMPILE=[your cross compiler] zImage modules

For example, if you are using IGEP SDK Toolchain (How to setup a cross compiler) then you should execute following cmdline:

make ARCH=arm CROSS_COMPILE=arm-poky-linux-gnueabi- zImage modules

You can install the kernel modules to your target rootfs

make ARCH=arm CROSS_COMPILE=[your cross compiler] INSTALL_MOD_PATH=[path to your target rootfs] modules_install

Download the Compat-Wireless version sources and follow next steps:

wget http://downloads.isee.biz/pub/releases/linux_kernel/v2.6.37-11/compat-wireless-wilink8-0.tar.gz
tar xzf compat-wireless-wilink8-0.tar.gz

Load (modify if it is needed) the environment file (setup-env-wl18xx-rmd):

source setup-env-wl18xx-rmd

Compile the Compat-Wireless modules:

cd compat-wireless-wilink8
make KLIB_BUILD=${KLIB_BUILD} modules

Install the compat-wireless modules to your target rootfs

make KLIB_BUILD=${KLIB_BUILD} KLIB=${ROOTFS} install-modules

Kernel Parameters

See Linux_Kernel_2.6.37.y - Wilink 8