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configs: ls1021a: Reserve low memory for CMA

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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@nxp.com>
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Signed-off-by: Alison Wang <alison.wang@nxp.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Alison Wang 2020-01-21 07:33:01 +00:00 committed by Priyanka Jain
parent 9ebde8849a
commit feb8fa2ef0
1 changed files with 4 additions and 0 deletions
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4
include/configs/ls1021atwr.h
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@ -313,6 +313,8 @@
"kernel_size=0x2800000\0" \
"kernel_addr_sd=0x8000\0" \
"kernel_size_sd=0x14000\0" \
"$othbootargs\0" \
"othbootargs=cma=64M@0x0-0xb0000000\0" \
BOOTENV \
"boot_scripts=ls1021atwr_boot.scr\0" \
"boot_script_hdr=hdr_ls1021atwr_bs.out\0" \
@ -373,6 +375,8 @@
"kernel_size_sd=0x14000\0" \
"kernelhdr_addr_sd=0x4000\0" \
"kernelhdr_size_sd=0x10\0" \
"$othbootargs\0" \
"othbootargs=cma=64M@0x0-0xb0000000\0" \
BOOTENV \
"boot_scripts=ls1021atwr_boot.scr\0" \
"boot_script_hdr=hdr_ls1021atwr_bs.out\0" \