[PATCH] configs: ls1021a: Reserve low memory for CMA
Priyanka Jain (OSS)
priyanka.jain at oss.nxp.com
Wed Jan 22 07:40:13 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>
>---
> include/configs/ls1021atwr.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
>diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h index
>46c372a..6aa7154 100644
>--- a/include/configs/ls1021atwr.h
>+++ b/include/configs/ls1021atwr.h
>@@ -310,6 +310,8 @@
> "kernel_size=0x2800000\0" \
> "kernel_addr_sd=0x8000\0" \
> "kernel_size_sd=0x14000\0" \
>+ "$othbootargs\0" \
>+ "othbootargs=cma=64M at 0x0-0xb0000000\0" \
> BOOTENV \
> "boot_scripts=ls1021atwr_boot.scr\0" \
> "boot_script_hdr=hdr_ls1021atwr_bs.out\0" \
>@@ -370,6 +372,8 @@
> "kernel_size_sd=0x14000\0" \
> "kernelhdr_addr_sd=0x4000\0" \
> "kernelhdr_size_sd=0x10\0" \
>+ "$othbootargs\0" \
>+ "othbootargs=cma=64M at 0x0-0xb0000000\0" \
> BOOTENV \
> "boot_scripts=ls1021atwr_boot.scr\0" \
> "boot_script_hdr=hdr_ls1021atwr_bs.out\0" \
>--
>2.9.5
Reviewed-by: Priyanka Jain <priyanka.jain at nxp.com>
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