[PATCH 1/2] riscv: dts: sophgo: cv1800b-milkv-duo: drop reserved memory node

Andrei Lalaev andrey.lalaev at gmail.com
Mon Sep 21 08:08:59 PDT 2026


The current FSBL can load firmware to any address and can also
disable the coprocessor. Therefore, FSBL should modify the device
tree at runtime. Remove the node accordingly.

Signed-off-by: Andrei Lalaev <andrey.lalaev at gmail.com>
---
 arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
index 0e6d79e6e3a4..02848bae2e16 100644
--- a/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
+++ b/arch/riscv/boot/dts/sophgo/cv1800b-milkv-duo.dts
@@ -22,17 +22,6 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
-
-	reserved-memory {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges;
-
-		coprocessor_rtos: region at 83f40000 {
-			reg = <0x83f40000 0xc0000>;
-			no-map;
-		};
-	};
 };
 
 &osc {

-- 
2.55.0




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