[PATCH] cmd: mem: Remove CONFIG_SYS_MEMTEST_SCRATCH mapping

Tom Rini trini at konsulko.com
Fri May 8 19:49:37 CEST 2020


On Mon, May 04, 2020 at 01:54:40PM +0200, Michal Simek wrote:

> There is no real need to exactly define space for saving patterns for
> alternate memory test. It is much easier to allocate space on the stack and
> use it instead of trying to find out space where pattern should be saved.
> 
> For example if you want to test the whole DDR memory you can't save patter
> to DDR and you need to find it out. On Xilinx devices DDR or OCM addresses
> were chosen but that means that OCM needs to be mapped and U-Boot has
> access permission there.
> 
> It is easier to remove this limitation and simply save it on stack because
> it is very clear that memory test can't rewrite U-Boot and U-Boot has also
> full access to memory where runs from.
> 
> Signed-off-by: Michal Simek <michal.simek at xilinx.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>
> Reviewed-by: Stefan Roese <sr at denx.de>
> Reviewed-by: Heiko Schocher <hs at denx.de>

Applied to u-boot/master, thanks!

-- 
Tom
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