2 ============================
3 This file defines environment variables which are valid for powerpc boards
6 addramfs: add phram device for the rootfilesysten in ram
7 develop: for development, laod kernel via tftp and mount rootfs via NFS
8 nfsargs: default arguments for nfs boot
9 ramfs: load rootfilesystem in RAM kernel
10 rootfsfile: loacation of the rootfs file for ramfs
11 setramfspram: compute PRAM size for ramfs target
12 setrootfsaddr: compute rootfilesystem address for phram
13 tftpkernel: load a kernel with tftp into ram
14 tftpramfs: load rootfs with tftp into ram
17 ============================
18 fdt_file: location of the dtb file on the tftp server
19 tftpfdt: load dtb file and set fdt address
22 ============================
23 tftpfdt: for arm only a dummy variable, because we have no fdt on arm