Embedded/boot linux at master · phuonglab/Embedded · GitHub

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for Aragon RZ/A1H:

--------------------------------------------------------------------------------------------
   TFTP NFS SERVER BOOT
--------------------------------------------------------------------------------------------

1.Set up tftpd-hpa.

host $ sudo apt-get install tftpd-hpa
host $ sudo gedit /etc/default/tftpd-hpa
# /etc/default/tftpd-hpa
*Adds :
TFTP_USERNAME="tftp"
TFTP_DIRECTORY="/home/rootpn/tftpboot/kernel"
TFTP_ADDRESS="0.0.0.0:69"
TFTP_OPTIONS="--secure"

2.Set up nfs-server.

host $ sudo apt-get install nfs-kernel-server
host $ sudo gedit /etc/exports
*Adds :
/home/rootpn/tftpboot/rootfs *(rw,sync,no_root_squash,no_subtree_check)

3.Creat tftpboot.

host $ cd /home/username
host $ mkdir tftpboot
host $ cd tftpboot
host $ mkdir kernel
host $ mkdir rootfs

4.Start service
host $ sudo service tftpd-hpa restart
host $ sudo service nfs-kernel-server restart

5.Set u-boot environment variables.
=> setenv ipaddr 192.168.1.241
=> setenv netmask 255.255.255.0
=> setenv gatewayip 192.168.1.1
=> setenv serverip 192.168.1.4
=> setenv bootpath /home/rootpn/tftpboot/rootfs
=> setenv bootargs console=ttySC2,115200 root=/dev/nfs rw nfsroot=${serverip}:${bootpath}  ip=${ipaddr} ignore_loglevel earlyprintk=sh-sci.2,115200 ren_vdc5fb.disp_panel=5
=> setenv bootcmd run nfsboot
=> setenv nfsboot tftpboot 0x0c000000 uImage \; tftpboot 0x0bf00000 rza1-rskrza1.dtb \; bootm 0x0c000000 - 0x0bf00000
=> setenv autoload n
=> saveenv

--------------------------------------------------------------------------------------------
   USB BOOT
--------------------------------------------------------------------------------------------
=> setenv bootcmd usb start \; run usbload \; bootm 0x0c000000 - 0x0bf00000
=> setenv bootargs console=ttySC2,115200 root=/dev/sda1 rw rootdelay=3 ignore_loglevel earlyprintk=sh-sci.2,115200
=> setenv usbload ext2load usb 0 0c000000 uImage \; ext2load usb 0 0bf00000 rza1-rskrza1.dtb
=> saveenv


--------------------------------------------------------------------------------------------
   SD CARD BOOT
--------------------------------------------------------------------------------------------
=> setenv bootcmd mmc rescan \; run usbload \; bootm 0x0c000000 - 0x0bf00000
=> setenv bootargs console=ttySC2,115200 root=/dev/mmcblk0 rw rootdelay=3 ignore_loglevel earlyprintk=sh-sci.2,115200
=> setenv usbload ext2load mmc 0 0c000000 uImage \; ext2load mmc 0 0bf00000 rza1-rskrza1.dtb
=> saveenv