[PATCH] configs: ls1021a: Reserve low memory for CMA

Priyanka Jain (OSS) priyanka.jain at oss.nxp.com
Wed Feb 5 07:42:49 CET 2020

>-----Original Message-----
>From: U-Boot <u-boot-bounces at lists.denx.de> On Behalf Of Alison Wang
>Sent: Tuesday, January 21, 2020 1:03 PM
>To: Priyanka Jain <priyanka.jain at nxp.com>; u-boot at lists.denx.de
>Cc: Alison Wang <alison.wang at nxp.com>; Peng Ma <peng.ma at nxp.com>
>Subject: [PATCH] configs: ls1021a: Reserve low memory for CMA
>The default reserved memory for CMA is high memory. If LPAE is enabled,
>highmem pages are non-remapped and can not be used with
>dma_alloc_coherent. This patch will reserve low memory for CMA and fix the
>issue on LS1021A.
>Signed-off-by: Peng Ma <peng.ma at nxp.com>
>Signed-off-by: Shengzhou Liu <Shengzhou.Liu at nxp.com>
>Signed-off-by: Alison Wang <alison.wang at nxp.com>
Patch applied on u-boot-fsl-qoriq/master. Awaiting upstream 

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