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@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>
diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index bec55a7..8e2784b 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -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" \