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References: <20210420064648.994075-1-joel@jms.id.au>
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 <310b1c39-5cb4-4fd8-1540-0ef1ba88ce66@kaod.org>
In-Reply-To: <310b1c39-5cb4-4fd8-1540-0ef1ba88ce66@kaod.org>
From: Joel Stanley <joel@jms.id.au>
Date: Wed, 21 Apr 2021 01:43:58 +0000
Message-ID: <CACPK8XeoHZiu6+CgtFCwcmzWReSwEKWsnhhfsR2oec44H+8zZA@mail.gmail.com>
Subject: Re: [PATCH u-boot v2019.04-aspeed-openbmc v2 01/10] configs/ast2600:
 Make early malloc pool larger
To: =?UTF-8?Q?C=C3=A9dric_Le_Goater?= <clg@kaod.org>
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On Tue, 20 Apr 2021 at 08:53, C=C3=A9dric Le Goater <clg@kaod.org> wrote:
>
> Hello,
>
> On 4/20/21 8:46 AM, Joel Stanley wrote:
> > The size of the early (pre-DRAM) SRAM heap in u-boot proper is extended
> > to 8KB.
> >
> > Testing found that the DRAM driver would perform an allocation that
> > exceeded the limits, due to the probing of the HACE driver increasing
> > memory presssure. As SRAM is unused when u-boot proper is running, it
> > can all be allocated.
> >
> > (In theory the entire 88KB of SRAM is free, but testing showed more tha=
n
> > 60KB would break booting. Finding out why is TODO).
>
> Could it be a HW problem ?

This was testing in Qemu, so probably not. We model the full 88KB in Qemu.