Re: [PATCH] ARM: dts: omap5: Add bus_dma_limit for L3 bus
From: Tony Lindgren
Date: Tue Mar 17 2020 - 13:01:46 EST
* Roger Quadros <rogerq@xxxxxx> [200316 03:28]:
> The L3 interconnect's memory map is from 0x0 to
> 0xffffffff. Out of this, System memory (SDRAM) can be
> accessed from 0x80000000 to 0xffffffff (2GB)
>
> OMAP5 does support 4GB of SDRAM but upper 2GB can only be
> accessed by the MPU subsystem.
>
> Add the dma-ranges property to reflect the physical address limit
> of the L3 bus.
Thanks applying into fixes.
Tony