lpc2468+uclinux(转）

uClinux 2.6.21 on LPC22XX / LPC2468

Download and Install the snapgear tool chain (gcc 3.4.4)

In the Embedded Artists wmware image, download the following tool chain:

In terminal do the following:

• $su
• Password: root
• $cd /
• $tar zxvf /arm-linux-tools-20061213.tar.gz
• $exit

Download the sources

• Download the uClinux snapshot:

• Download the 2.6.20.x kernel:

• Download the uClinux patch for 2.6.21:

• Download the LPC2468 patch for 2.6.21-uc0:
  • linux-2.6.21-uc0-lpc2468.diff in

• Download the BSP for LPC2468:
  • uClinux-dist-20070130-nxp-lpc2468.tgz in

Setup the sources

• 1) Untar the uClinux snapshop and remove the kernels

tar -zxvf /uClinux-dist-20070130.tar.gz rm -r uClinux-dist/linux-2.0.x rm -r uClinux-dist/linux-2.4.x rm -r uClinux-dist/linux-2.6.x

• 2) Make a new linux-2.6.x kernel from scratch

tar -jxvf /linux2.6.21.tar.bz2 gzip -dc /linux-2.6.21-uc0-big.patch.gz | patch -p0 cat /linux-2.6.21-uc0-lpc2468.diff|patch -p0 mv linux-2.6.21 uClinux-dist/linux-2.6.x

• 3) Install the BSP for LPC2468

tar -zxvf /uClinux-bsp-lpc2468.tar.gz

Compile the kernel using the default setup

NOTE: For Embedded Artists LPC2468 OEM Board users: - The image is located uClinux-dist/linux2.6.x/arch/arm/boot/Image - The romfs is located uClinux-dist/images/romfs.img

- image has to be loaded @a0008000 - romfs has to be loaded @a1800000