Boot the system (Olimex SAM9-L9260) and mount the root filesystem from
an NFS server
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# In U-boot configure IP-address for the board and the file server.

setenv ipaddr 192.168.2.54
setenv serverip 192.168.2.53
setenv netmask 255.255.255.0

# Or use DHCP

dhcp


# Configure the kernel and enable:
#              TCP/IP networking
#              kernel level autoconfiguration,
#              NFS client support (not as a module)
#              Root file system on NFS.
# Compile the kernel (make uImage). Install uImage as uImage-SAM9-L9260 in the tftp server directory tree.

# Load the kernel from an tftp server 
tftpboot 0x22200000 192.168.2.53:uImage-SAM9-L9260


# Set bootargs. Note eth0 at the end.
# The contents of this variable, bootargs, are passed to the Linux kernel as boot arguments (aka "command line"). 
#
#
#
# ip=192.168.2.54:192.168.2.53:192.168.2.53:255.255.255.0:olimex:eth0:off
#
# Set IP address to 192.168.2.54
# Server address for the NFS server is 192.168.2.53
# default gateway is 192.168.2.1
# Netmask is 255.255.255.0
# The computers name is olimex
# Use network device eth0
# off means "don't use autoconfiguration"

setenv bootargs 'mem=64M root=/dev/nfs rw console=ttyS0,115200N8 nfsroot=192.168.2.53:/export/olimex/sam9l9260/root/,proto=tcp ip=192.168.2.54:192.168.2.53:192.168.2.1:255.255.255.0:olimex:eth0:off'

# Alternative to the bootargs above.
# Use dhcp for dynamic address.
setenv bootargs 'mem=64M root=/dev/nfs rw console=ttyS0,115200N8 nfsroot=192.168.2.53:/export/olimex/sam9l9260/root/,proto=tcp ip=dhcp'


# Boot the kernel
bootm 0x22200000






Boot the system (Olimex SAM9-L9260) and mount the root filesystem from
an initramfs file
------------------------------------------------------------------------------------
# DHCP address
dhcp
# or a static address, se above

# Load the kernel from an tftp server 
tftpboot 0x22200000 192.168.2.53:uImage

# Load initramfs from an tftp server
tftpboot 0x22600000 192.168.2.53:initramfs.cpio.gz

# Set bootargs.
setenv bootargs 'mem=64M root=/dev/ram rw console=ttyS0,115200N8 ip=192.168.2.54:192.168.2.53:192.168.2.53:255.255.255.0:olimex:eth0:off'

# Boot the system
bootm 0x22200000 0x22600000