[PATCH u-boot v2019.04-aspeed-openbmc v2 01/10] configs/ast2600: Make early malloc pool larger

[Joel Stanley]

On Tue, 20 Apr 2021 at 08:53, Cédric Le Goater <clg at 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 than
> > 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.