[PATCH] arch: mach-k3: Fix incorrect mapping of higher DDR addresses as device memory
Tom Rini
trini at konsulko.com
Fri Jan 19 17:09:00 CET 2024
On Tue, Jan 09, 2024 at 02:15:51PM +0530, Sekhar Nori wrote:
> Entry for physical address 0x500000000 in memory map table for MMU
> configuration is spilling over and inadvertently making DDR available at
> higher address (above 4GB address space) get mapped as device memory
> (nGnRnE).
>
> Fix this by adjusting entry size. Tested on AM62A SK. Before this patch:
>
> => time crc32 0x881000000 0x20000000
> crc32 for 881000000 ... 8a0ffffff ==> 7f34d7ca
>
> time: 1 minutes, 14.716 seconds
>
> After patch:
>
> => time crc32 0x881000000 0x20000000
> crc32 for 881000000 ... 8a0ffffff ==> 7f34d7ca
>
> time: 2.710 seconds
>
> Acked-by: Andrew Davis <afd at ti.com>
> Signed-off-by: Sekhar Nori <nsekhar at ti.com>
> Reviewed-by: Nishanth Menon <nm at ti.com>
Applied to u-boot/master, thanks!
--
Tom
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