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LITE5200B User’s Manual, Rev. 0
iv
Freescale Semiconductor
Contents
Paragraph
Number
Title
Page
Number
4.5.7
General Purpose Headers - J16 J17 J18 J19 J20 J21 J22 J23 ..................................... 4-8
4.5.8
PCI - J13 J14 ............................................................................................................. 4-11
4.5.9
UART - J3 ................................................................................................................. 4-13
4.5.10
USB - J4 .................................................................................................................... 4-14
4.6
Switches ........................................................................................................................ 4-15
4.6.1
Boot Configuration - SW1 ........................................................................................ 4-15
4.6.2
POR - SW2 ............................................................................................................... 4-16
4.6.3
PLL Control - SW3 ................................................................................................... 4-17
4.6.4
Low Power Mode ...................................................................................................... 4-17
Chapter 5
Boot Monitor
5.1
Basic Configuration: ....................................................................................................... 5-1
5.2
Memory Map .................................................................................................................. 5-1
5.3
Accessing Memory Using U-Boot .................................................................................. 5-2
5.3.1
MD .............................................................................................................................. 5-2
5.3.2
MW ............................................................................................................................. 5-3
5.4
Environmental Variables ................................................................................................ 5-3
5.4.1
printenv ....................................................................................................................... 5-3
5.4.2
setenv .......................................................................................................................... 5-4
5.4.3
saveenv ........................................................................................................................ 5-4
5.5
Configuring Ethernet ...................................................................................................... 5-5
5.5.1
Configuring a MAC Address ...................................................................................... 5-5
5.5.2
Configuring IP Address .............................................................................................. 5-5
5.6
Downloading An Image .................................................................................................. 5-6
5.6.1
TFTP Download ......................................................................................................... 5-7
5.6.2
Serial Download ......................................................................................................... 5-8
5.7
Executing an Image ........................................................................................................ 5-8
5.8
Writing an Image to Flash .............................................................................................. 5-9
5.9
Erasing Flash ................................................................................................................... 5-9
5.9.1
Flash Configuration .................................................................................................. 5-10