From: Gary Thomas <gthomas@redhat.com>
To: Jonathan Larmour <jlarmour@redhat.com>
Cc: "Trenton D. Adams" <tadams@extremeeng.com>,
eCos Discussion <ecos-discuss@sourceware.cygnus.com>
Subject: Re: [ECOS] CYGHWR_HAL_ARM_EDB7XXX_DRAM_SIZE - uh ooo
Date: Thu, 06 Sep 2001 16:21:00 -0000 [thread overview]
Message-ID: <999818304.1822.139.camel@station91> (raw)
In-Reply-To: <3B97E359.350316FB@redhat.com>
On Fri, 2001-09-07 at 05:58, Jonathan Larmour wrote:
> "Trenton D. Adams" wrote:
> >
> > Are legal values for this really 0 2 16 for the edb7xxx? We have our
> > board designed with 1 Meg RAM. Is this going to cause a problem?
>
> Your board isn't an edb7xxx which is why other values haven't been
> considered in the board. Short answer: it depends. The important stuff is
> to do with the MMU setup. See include/hal_platform_setup.h and see what
> fits your physical setup. Probably the 2mb setup.
>
Indeed. EDB7xxx are the evaulation boards from Cirrus Logic which
support their EP7xxx chipsets. If you build a different board (i.e.
platform in eCos parlance), you'll need to tweak the platform support.
This may be only as hard as a few lines of change (which is why we
have a single "platform" for a number of their boards - they are all
quite similar), or as hard as cloning a new platform if there are
a number of differences.
> Also look at hal_platform_extras.h.
>
> Jifl
prev parent reply other threads:[~2001-09-06 16:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-08-29 10:08 Trenton D. Adams
2001-09-06 13:58 ` Jonathan Larmour
2001-09-06 16:21 ` Gary Thomas [this message]
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