riscv: dts: th1520: Preserve CLINT node for SPL

Preserve CLINT node for SPL, whose IPI functionality is essential for
operation of a multi-core system.

Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>

diff --git a/arch/riscv/dts/th1520.dtsi b/arch/riscv/dts/th1520.dtsi
index 28107a9..e773d2e 100644 (file)
--- a/arch/riscv/dts/th1520.dtsi
+++ b/arch/riscv/dts/th1520.dtsi
@@ -151,6 +151,7 @@
                clint: timer@ffdc000000 {
                        compatible = "thead,th1520-clint", "thead,c900-clint";
                        reg = <0xff 0xdc000000 0x0 0x00010000>;
+                       bootph-pre-ram;
                        interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
                                              <&cpu1_intc 3>, <&cpu1_intc 7>,
                                              <&cpu2_intc 3>, <&cpu2_intc 7>,