Network Setup - Advantech ROM-5420 User Manual

LVDS 1(Single) out, please set in u-boot as below:
setenv bootargs_mmc
mmcblk1p1 rootwait
ldb=sin0'
LVDS 2(Split) out, please set in u-boot as below:
setenv bootargs_mmc
mmcblk1p1 rootwait
ldb=sin1'
3.8.5.3 Multi Display Settings
When you want to display dual LVDS, VGA and HDMI output , please set parameter
in U-boot as follows. This is the default settings in U-boot.
setenv bootargs_mmc 'setenv bootargs ${bootargs} root=/dev/mmcblk1p1
rootwait
setenv bootargs_base
enable_wait_mode=off video_mode=extension'
For display interface clock, there are several options (Independently for each port)
listed below:
1. Derived from the IPU internal clock (Master Mode)\
2. Provided by an external source (Slave Mode)
3. The transfer rate supported
When a single port is active, the pixel clock rate is up to 264 MHz
When both LVDS ports are active, you have to follow below condition:
1. Each pixel clock rate may be up to 220 MHz**
2. The sum of pixel clock rates is up to 240 MHz
Note! Specified pixel clocks frequencies are applicable for internal clocks, but
may be limited by IO buffers speed capability. Final numbers are sub-
jected to AC characterization.
3.8.6

Network Setup

Default: IP get form DHCP.
Manual: Set IP by below command:
#ifconfig eth0 192.168.0.1 up
ifconfig is to configure network interfaces, the manual page is as below.
SYNOPSIS
ifconfig [-v] [-a] [-s] [interface]
ifconfig [-v] interface [aftype] options | address ...
OPTIONS
-a
-s
'setenv
rw video=mxcfb0:dev=ldb,1920x1080M@60,if=RGB24
'setenv
rw video=mxcfb0:dev=ldb,1920x1080M@60,if=RGB24
'setenv
display all interfaces which are currently available, even if
down
display a short list (like netstat -i)
bootargs ${bootargs}
bootargs ${bootargs}
bootargs console=ttymxc0,115200
35 ROM-5420 User Manual
root=/dev/
root=/dev/