[Linux-stm32] [PATCH v3 5/8] ARM: dts: stm32: declare copro reserved memories on STM32MP157c-ed1

Fabien Dessenne fabien.dessenne at st.com
Thu May 2 08:10:03 UTC 2019


Declare reserved memories shared by the processors for STM32MP157c-ed1
board.

Signed-off-by: Fabien Dessenne <fabien.dessenne at st.com>
---
 arch/arm/boot/dts/stm32mp157c-ed1.dts | 42 +++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp157c-ed1.dts b/arch/arm/boot/dts/stm32mp157c-ed1.dts
index 626ceb3..acfc5cd 100644
--- a/arch/arm/boot/dts/stm32mp157c-ed1.dts
+++ b/arch/arm/boot/dts/stm32mp157c-ed1.dts
@@ -21,6 +21,48 @@
 		reg = <0xC0000000 0x40000000>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		mcuram2: mcuram2 at 10000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10000000 0x40000>;
+			no-map;
+		};
+
+		vdev0vring0: vdev0vring0 at 10040000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10040000 0x1000>;
+			no-map;
+		};
+
+		vdev0vring1: vdev0vring1 at 10041000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10041000 0x1000>;
+			no-map;
+		};
+
+		vdev0buffer: vdev0buffer at 10042000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10042000 0x4000>;
+			no-map;
+		};
+
+		mcuram: mcuram at 30000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x30000000 0x40000>;
+			no-map;
+		};
+
+		retram: retram at 38000000 {
+			compatible = "shared-dma-pool";
+			reg = <0x38000000 0x10000>;
+			no-map;
+		};
+	};
+
 	aliases {
 		serial0 = &uart4;
 	};
-- 
2.7.4




More information about the Linux-stm32 mailing list