út 6. 9. 2022 v 12:38 odesílatel Michal Simek michal.simek@amd.com napsal:

Description OCM with mmio-sram driver. In 99% use cases OCM is mapped high that's why it is placed on fixed location.

Signed-off-by: Michal Simek michal.simek@amd.com

Changes in v2:

• Remove ocmc controller and use only OCM
• Remove OCM setup from zc702

arch/arm/dts/zynq-7000.dtsi | 11 +++++++++++ arch/arm/dts/zynq-zc702.dts | 13 ------------- 2 files changed, 11 insertions(+), 13 deletions(-)

diff --git a/arch/arm/dts/zynq-7000.dtsi b/arch/arm/dts/zynq-7000.dtsi index 11fa0ef2bfed..edc147d63f1e 100644 --- a/arch/arm/dts/zynq-7000.dtsi +++ b/arch/arm/dts/zynq-7000.dtsi @@ -192,6 +192,17 @@ reg = <0xf8006000 0x1000>; };

•           ocm: sram@fffc0000 {
  

•                   compatible = "mmio-sram";
  

•                   reg = <0xfffc0000 0x10000>;
  

•                   #address-cells = <1>;
  

•                   #size-cells = <1>;
  

•                   ranges = <0 0xfffc0000 0x10000>;
  

•                   ocm-sram@0 {
  

•                           reg = <0x0 0x10000>;
  

•                   };
  

•           };
  

•           uart0: serial@e0000000 {
                    compatible = "xlnx,xuartps", "cdns,uart-r1p8";
                    status = "disabled";
  

diff --git a/arch/arm/dts/zynq-zc702.dts b/arch/arm/dts/zynq-zc702.dts index f2e05a55b958..1bd4f8c9f661 100644 --- a/arch/arm/dts/zynq-zc702.dts +++ b/arch/arm/dts/zynq-zc702.dts @@ -64,19 +64,6 @@ }; };

-&amba {

•   ocm: sram@fffc0000 {
  

•           compatible = "mmio-sram";
  

•           reg = <0xfffc0000 0x10000>;
  

•           #address-cells = <1>;
  

•           #size-cells = <1>;
  

•           ranges = <0 0xfffc0000 0x10000>;
  

•           ocm-sram@0 {
  

•                   reg = <0x0 0x10000>;
  

•           };
  

•   };
  

-};

&can0 { status = "okay"; pinctrl-names = "default"; -- 2.36.1

Applied. M