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| author | Kedareswara rao Appana <appana.durga.rao@xilinx.com> | 2016-09-09 07:06:01 (GMT) |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2016-11-15 14:30:40 (GMT) |
| commit | 6af5773700a2470a88a57d61ce55645323d20a0c (patch) | |
| tree | 41f431cc9abfd2f8467b2fb5bd3bd4981166d86c | |
| parent | b976fd636e36fd195216bd70e4a8c95848a0749d (diff) | |
| download | u-boot-6af5773700a2470a88a57d61ce55645323d20a0c.tar.xz | |
ARM64: zynqmp: Add description for LPDDMA channel usage
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>
| -rw-r--r-- | arch/arm/dts/zynqmp.dtsi | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi index f67238e..aeeccbf 100644 --- a/arch/arm/dts/zynqmp.dtsi +++ b/arch/arm/dts/zynqmp.dtsi @@ -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"; |