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