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| how to custom wince on board with sdram on at91sam9g45 http://www.at91.com/samphpbb/viewtopic.php?f=13&t=19970 |
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| Author: | misswhile [ Fri Mar 11, 2011 3:34 pm ] |
| Post subject: | how to custom wince on board with sdram on at91sam9g45 |
I have a custom board, which cpu is at91sam9g45,and we user sdram on EBI Chip Select 1. now, I want custom wince6.o to run on this board,so i init the sdram on firstboot,change cfg.inc as belown: delete ;AT91SAM9G45M10EK_VA_BASE_DDRAM2 EQU 0x88000000 and ;AT91SAM9G45M10EK_BASE_DDRAM2 EQU 0x20000000 change AT91SAM9G45M10EK_BASE_DDRAM EQU 0x70000000 to AT91SAM9G45M10EK_BASE_DDRAM EQU 0x20000000 after sysgen , load firstboot.nbo to nand address 0 by uboot,and boot with smb=1,can't booting. May be initialization sdram is not proper,so i use uboot,which have tested have initialize sdram,and can boot linux. So load firstboot.nbo to sram address 300000 by uboot,and go 0x300000. also can't boot if i load eboot.nb0 to 0x20000000,and go 0x20000000,some messy code show on console,Then stop. pls give me some suggestions. Thank you~ |
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