[PATCH 07/10] riscv: dts: th1520: Add DRAM controller

Yao Zi ziyao at disroot.org
Sat Apr 26 19:00:56 CEST 2025


Describe DRAM controller integrated in TH1520 SoC and preserve it in SPL
devicetree blob.

Signed-off-by: Yao Zi <ziyao at disroot.org>
---
 arch/riscv/dts/th1520.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/riscv/dts/th1520.dtsi b/arch/riscv/dts/th1520.dtsi
index ef84d8cc265..b908eb37e41 100644
--- a/arch/riscv/dts/th1520.dtsi
+++ b/arch/riscv/dts/th1520.dtsi
@@ -372,6 +372,16 @@
 			status = "disabled";
 		};
 
+		ddrc: ddrc at fffd000000 {
+			compatible = "thead,th1520-ddrc";
+			reg = <0xff 0xfd000000 0x0 0x1000000>,
+			      <0xff 0xfe000000 0x0 0x1000000>,
+			      <0xff 0xff000000 0x0 0x4000>,
+			      <0xff 0xff005000 0x0 0x1000>;
+			reg-names = "phy-0", "phy-1", "ctrl", "sys";
+			bootph-pre-ram;
+		};
+
 		timer4: timer at ffffc33000 {
 			compatible = "snps,dw-apb-timer";
 			reg = <0xff 0xffc33000 0x0 0x14>;
-- 
2.49.0



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