Embedded ppc project

[Troy Benjegerdes]

On Fri, 22 Jan 1999, Pink X wrote:

> 
> 
> Can someone give me  a brief overview of how the boot process works for 
> linuxppc on non-mac, non-open firmware hardware?

Most things with Motorola's PPCBug work pretty well.. The firmware loads a
boot loader, which then needs to uncompress the gziped kernel into low
memory.
 
> For instance, we're looking at a custom processor board for a project... 
> basically it will have a CPU, a DiskOnChip of about 24MB, RAM and a 
> drive.   Will it be hugely difficult to get linuxppc to boot out of the 
> DoC (with a kernal and compress root ramdisk in the DiskOnChip)  Does the 
> kernel make assumptions about there being certain types of hardware or a 
> open firmware roms being there?  Will it be hugely difficult for (very 
> experienced programmers who have worked on unix but not linux 
> specifically) to get the kernal hacked to our hardware formfactor (not 
> counting any I/O work, just booting in this environment.)
> 
> Any advice appreciated!  We may go with the RPCLite board, but we kinda 
> need a 603e level of power.  (So any 603e @200+MHz embedded boards would 
> be great to hear about, we've not found any yet.)

Have you looked at Motorola's MTX/MVME boards? You can get all the way up
to a dual 604e/300. Or are they too big (physically)?

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| Troy Benjegerdes    |       troy at microux.com     |    hozer at drgw.net   |
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