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Re: Intention to Port eCos to STR9

From: Andrew Lunn <andrew at lunn dot ch>
To: Evgeny Belyanco <esp1 at kbkcc dot ru>
Cc: ecos-devel at sourceware dot org
Date: Wed, 14 Jun 2006 23:33:51 +0200
Subject: Re: Intention to Port eCos to STR9
References: <00c001c68fef$94598bd0$63000a0a@corp.ilxlightwave.com> <20060614210942.GA15848@lunn.ch> <758889.20060615011531@kbkcc.ru>

On Thu, Jun 15, 2006 at 01:15:31AM +0400, Evgeny Belyanco wrote:
> Thursday, June 15, 2006, 1:09:42 AM, you wrote:
> 
> AL> STR at the top. The different between the STR7 and STR9 will be the
> AL> MMU setup. So maybe it is possible to put the MMU code into the STR9xx
> AL> HAL package and have most of the code in the STR HAL package.
> 
> STR9 has no MMU!

Oh, interesting. I thought all ARM9 had an MMU. The ARM920T and
ARM922T do which is what i have a passing knowledge of.

[Goes check the ARM website]

ARM926EJ-S has an MMU
ARM946E-S has an MPU - Memory Protection Unit
ARM966E-S has nothing!
ARM968E-S has DMA. DMA?
ARM996HS has MPU

         Andrew

References:
- Intention to Port eCos to STR9
  - From: C. Adam Lamb
- Re: Intention to Port eCos to STR9
  - From: Andrew Lunn
- Re[2]: Intention to Port eCos to STR9
  - From: Evgeny Belyanco

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