leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM64: zynqmp: Add description for LPDDMA channel usage

Browse Source 
LPDDMA default allows only secured access.
inorder to enable these dma channels,
one should ensure that it allows non secure access.
This patch updates the same.

Reported-by: Sai Pavan Boddu <saipava@xilinx.com>
Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Kedareswara rao Appana 2016-09-09 12:36:01 +05:30 committed by Michal Simek
parent b976fd636e
commit 6af5773700
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm/dts/zynqmp.dtsi
View File

@ -421,7 +421,10 @@
power-domains = <&pd_gpu>;
};
/* ADMA */
/* LPDDMA default allows only secured access. inorder to enable
* These dma channels, Users should ensure that these dma
* Channels are allowed for non secure access.
*/
lpd_dma_chan1: dma@ffa80000 {
status = "disabled";
compatible = "xlnx,zynqmp-dma-1.0";