Das U-Boot -- the Universal Boot Loader port for the Z2 by Marex

Download

• The most current flash script and U-Boot can be downloaded here (08-13-2010).
• The latest compiled mainline kernel can be downloaded here (07-16-2010).

Z2 U-Boot Default Layout

1) NOR:

• 0x0-0x40000 U-Boot bootloader
• 0x40000-0x60000 U-Boot environment
• 0x60000-END Kernel uImage for cardless boot (and possibly anything else)

2) MMC:

• mmcblk0p1: >16 Mb VFAT, Contains kernel image and uboot.script
• mmcblk0p2,p3 etc: The rest, up to you
• U-Boot Scripting: http://www.denx.de/wiki/view/DULG/UBootScripts

U-Boot environment

The U-Boot environment can be modified to suit your needs. It can be modified via serial or from Linux

Other Info

• mozzwald's U-Boot guide
• Geordy's U-Boot experiences
• The latest version of u-boot compiled for the Z2 now supports SDHC cards
• How to update uBoot (via serial mod) if uBoot is already installed