[U-Boot-Users] 4 MByte ROM & PPCBoot on 8245 using MAP B

[Mark Rakes]

the address space wraps...look for 'alias'ing in the MPC8245 UM

look at the Musenki code...I believe that used a 4MB flash...but maybe  
Jim T.
can confirm that for sure...


On Monday, February 3, 2003, at 06:24  AM, Callebaut, Benoît wrote:

>
> Normall the ROM base is 0XFFF00000 which give us  a 1MByte addressing  
> range.
> In the spec of the PPC8245 (MPC8245UM23.pdf) is stated that from  
> 0XFF000000
> giving 16MByte of addressing space.
> The Boot vector of the MPC8245 can be choosen to be either at  
> 0XFFF00100 of
> at 0X00000100
> How can I use a 4MByte FLASH with PPCBoot, knowing that I need to use  
> the
> whole 4MBytes of available space
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