riscv: dts: lichee-module-4a: Preserve memory node for SPL

Memory node is necessary for TH1520 SPL to configure size and base
address of DRAM. Let's preserve it in SPL devicetree blob.

Signed-off-by: Yao Zi <[email protected]>
Reviewed-by: Leo Yu-Chi Liang <[email protected]>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/riscv/dts/th1520-lichee-module-4a.dtsi b/arch/riscv/dts/th1520-lichee-module-4a.dtsi
index 86a81bdcf77..20dbc4c7d24 100644
--- a/arch/riscv/dts/th1520-lichee-module-4a.dtsi
+++ b/arch/riscv/dts/th1520-lichee-module-4a.dtsi
@@ -14,6 +14,7 @@
 	memory@0 {
 		device_type = "memory";
 		reg = <0x0 0x00000000 0x2 0x00000000>;
+		bootph-pre-ram;
 	};
 };