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Re: [PATCH] aspeed: Emulate the AST2600A3

From: Joel Stanley
Subject: Re: [PATCH] aspeed: Emulate the AST2600A3
Date: Tue, 13 Apr 2021 02:27:52 +0000

On Mon, 12 Apr 2021 at 22:57, Andrew Jeffery <andrew@aj.id.au> wrote:
> On Tue, 13 Apr 2021, at 00:57, Cédric Le Goater wrote:
> > On 3/4/21 1:43 PM, Joel Stanley wrote:
> > > This is the latest revision of the ASPEED 2600 SoC.
> >
> > Should we change all machines to use the new SoC ?
> >
> > I would prefer if we introduced an "ast2600-a3" Aspeed SoC, that we would
> > use for the newer rainier machine, and leave the tacoma-bmc and ast2600-evb
> > machines as they are.
> I think we just change them all. We're not going to see pre-A3 chips in
> production systems.

We should split this patch into two. The A3 support is not yet present
in any u-boot tree, so it would be premature to update any socs to
emulate the A3. We can expect support in the coming months, and when
that lands we can consider updating.

However filling out some of the clock register reset values is
important for guests to calculate sensible clock rates, so we should
do that now for the A1.



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