meta data for this page
  •  

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
Last revisionBoth sides next revision
documentation:client_side [2015/07/03 12:20] – micdocumentation:client_side [2016/03/10 12:56] – [Christmann Apalis Exynos] mic
Line 9: Line 9:
 The u-boot can be reached by connecting a serial console to the module and then pressing any key when starting the module to abort the booting process. The u-boot can be reached by connecting a serial console to the module and then pressing any key when starting the module to abort the booting process.
 =====Christmann Apalis Exynos===== =====Christmann Apalis Exynos=====
 +
 +Tested with **U-Boot 2015.07-rc1-00408-g012681b-dirty**
 +
 +The following variables have to be set in u-boot:
 +<code>
 +setenv usbethaddr
 +setenv nfsboot 'usb reset; dhcp; mmc dev 1; mmc read 22000000 3000 100; bootm 23e00000 - 22000000'
 +setenv bootcmd 'run nfsboot; usb start; mmc dev 1; mmc read 0x20008000 600 2700; mmc read 0x22000000 3000 100; bootm 0x20008000 - 0x22000000'
 +setenv bootargs 'root=/dev/nfs rw netdevwait console=ttySAC2,115200n8 init --no-log'
 +</code>
 +
 +:!: But it is necessary at the moment to have an SD card with the original Image, or with the flattend device tree blob at sector 3000 of the SD card.\\
 +:!: At the moment the kernel stops booting with ''drm_kms_helper: panic occurred, switching back to text console''
  
 =====Toradex Apalis T30===== =====Toradex Apalis T30=====
 +
 +Tested with **U-Boot 2014.10**
 +
 +Only the option for ''nfsboot'' has to be added to the ''bootcmd'' in u-boot.
 +Note that in the following steps the MAC address has to be replaced with the actual address of the module.:!:
 +
 +If only network boot is desired the following commands have to be executet in the u-boot enviornment:
 +<code>
 +setenv serverip
 +setenv ipaddr
 +setenv ethaddr 00:14:2D:00:00:00
 +setenv nfsboot 'run setup; setenv bootargs ${defargs} ${nfsargs} ${setupargs} ${vidargs}; echo Booting via DHCP/TFTP/NFS...; dhcp ${kernel_addr_r} && bootm ${kernel_addr_r} - ${dtbparam}'
 +setenv bootcmd 'run nfsboot; echo; echo nfsboot failed'
 +saveenv
 +</code>
 +
 +
 +If the original bootorder should not be replaced the commands are the following:
 +<code>
 +setenv serverip
 +setenv ipaddr
 +setenv ethaddr 00:14:2D:00:00:00
 +setenv bootcmd 'run nfsboot; echo; echo nfsboot failed; run emmcboot; echo; echo emmcboot failed'
 +saveenv
 +</code>
 +But this will result in one error message ''*** ERROR: `serverip' not set'' because the module then trys to load a flash image from a server whos IP is not set in ''serverip''.
 +
  
 =====Toradex Colibri T20===== =====Toradex Colibri T20=====