Re: A first sign of life from LEDs

From: Philip Blundell <pb_at_reciva.com>
Date: Thu, 03 Feb 2005 18:13:04 +0000

On Thu, 2005-02-03 at 19:06 +0100, Michael Opdenacker wrote:
> Thank you very much for clarifying all this!
>
> So, what would you do if you were me?
>
> * Either configure CS3 in 32 bit mode for hx4700 too and keep
> compatibility with existing code?
> * Or make ipaq-asic3.h more generic so that it supports both 16 bit
> and 32 bit addressing. The 16 bit and 32 bit OFFSET macros would
> then be defined in respectively in hx4700-asic.h and in h4000-asic.h.

>From what Aric said, it sounds like the latter is your only option. You
can only configure CS3 in 32-bit mode if the address lines are routed
appropriately, otherwise you will lose the ability to access half the
registers.

So, yeah, let's teach ipaq-asic3.h how to handle both 32-bit and 16-bit
buswidths.

p.
Received on Thu Feb 03 2005 - 13:14:42 EST

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