diff --git a/conf/evalsoc/nuclei_rv64imafdc.dts b/conf/evalsoc/nuclei_rv64imafdc.dts
index c195dcd..21a45d5 100644
--- a/conf/evalsoc/nuclei_rv64imafdc.dts
+++ b/conf/evalsoc/nuclei_rv64imafdc.dts
@@ -25,7 +25,7 @@
   #size-cells = <2>;
   compatible = "nuclei,evalsoc";
   model = "nuclei,evalsoc";
-
+  dma-noncoherent;
   chosen {
 #if SIMULATION == 2
       bootargs = "earlycon=sbi console=hvc0";
@@ -49,7 +49,8 @@
       reg = <0>;
       status = "okay";
       compatible = "riscv";
-      riscv,isa = "rv64imafdc";
+      riscv,isa = "rv64imafdc_zicbom";
+      riscv,cbom-block-size =<64>;
       mmu-type = "riscv,sv39";
       clock-frequency = <CPUCLK_FREQ>;
       cpu0_intc: interrupt-controller {
@@ -63,7 +64,8 @@
       reg = <1>;
       status = "okay";
       compatible = "riscv";
-      riscv,isa = "rv64imafdc";
+      riscv,isa = "rv64imafdc_zicbom";
+      riscv,cbom-block-size =<64>;
       mmu-type = "riscv,sv39";
       clock-frequency = <CPUCLK_FREQ>;
       cpu1_intc: interrupt-controller {
@@ -77,7 +79,8 @@
       reg = <2>;
       status = "okay";
       compatible = "riscv";
-      riscv,isa = "rv64imafdc";
+      riscv,isa = "rv64imafdc_zicbom";
+      riscv,cbom-block-size =<64>;
       mmu-type = "riscv,sv39";
       clock-frequency = <CPUCLK_FREQ>;
       cpu2_intc: interrupt-controller {
@@ -91,7 +94,8 @@
       reg = <3>;
       status = "okay";
       compatible = "riscv";
-      riscv,isa = "rv64imafdc";
+      riscv,isa = "rv64imafdc_zicbom";
+      riscv,cbom-block-size =<64>;
       mmu-type = "riscv,sv39";
       clock-frequency = <CPUCLK_FREQ>;
       cpu3_intc: interrupt-controller {
@@ -105,7 +109,8 @@
       reg = <4>;
       status = "okay";
       compatible = "riscv";
-      riscv,isa = "rv64imafdc";
+      riscv,isa = "rv64imafdc_zicbom";
+      riscv,cbom-block-size =<64>;
       mmu-type = "riscv,sv39";
       clock-frequency = <CPUCLK_FREQ>;
       cpu4_intc: interrupt-controller {
@@ -119,7 +124,8 @@
       reg = <5>;
       status = "okay";
       compatible = "riscv";
-      riscv,isa = "rv64imafdc";
+      riscv,isa = "rv64imafdc_zicbom";
+      riscv,cbom-block-size =<64>;
       mmu-type = "riscv,sv39";
       clock-frequency = <CPUCLK_FREQ>;
       cpu5_intc: interrupt-controller {
@@ -133,7 +139,8 @@
       reg = <6>;
       status = "okay";
       compatible = "riscv";
-      riscv,isa = "rv64imafdc";
+      riscv,isa = "rv64imafdc_zicbom";
+      riscv,cbom-block-size =<64>;
       mmu-type = "riscv,sv39";
       clock-frequency = <CPUCLK_FREQ>;
       cpu6_intc: interrupt-controller {
@@ -147,7 +154,8 @@
       reg = <7>;
       status = "okay";
       compatible = "riscv";
-      riscv,isa = "rv64imafdc";
+      riscv,isa = "rv64imafdc_zicbom";
+      riscv,cbom-block-size =<64>;
       mmu-type = "riscv,sv39";
       clock-frequency = <CPUCLK_FREQ>;
       cpu7_intc: interrupt-controller {
@@ -170,6 +178,17 @@
     ranges;
   };
 
+  reserved-memory {
+    #address-cells = <2>;
+    #size-cells = <2>;
+    ranges;
+    dam_coherent@f0000000 {
+        compatible = "shared-dma-pool";
+        reg = <0 0xf0000000 0 0x1000000>;
+        no-map;
+        linux,dma-default;
+    };
+  };
   /* Used for Uboot SBI Console */
   console {
     compatible = "sbi,console";