From eed49975bb40dcf86573476d405d689854b1870b Mon Sep 17 00:00:00 2001 From: Caesar Wang Date: Wed, 2 Apr 2025 09:39:22 +0800 Subject: [PATCH] arm64: dts: rockchip: Enable IRQ mode for fiq-debugger on RV1126B Switch the fiq-debugger driver to use IRQ mode instead of FIQ mode on RV1126B platforms. This change is necessary because: 1. The Trust Zone implementation of fiq-debugger is still under validation 2. IRQ mode provides more stable operation during early bring-up 3. Prevents potential system instability from FIQ handling conflicts Change-Id: I937182a5e0fe22ffafd0972a3834b83c2db0c16c Signed-off-by: Caesar Wang --- arch/arm64/boot/dts/rockchip/rv1126b.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rv1126b.dtsi b/arch/arm64/boot/dts/rockchip/rv1126b.dtsi index 218ad1a3e479..65de6728b29f 100644 --- a/arch/arm64/boot/dts/rockchip/rv1126b.dtsi +++ b/arch/arm64/boot/dts/rockchip/rv1126b.dtsi @@ -394,7 +394,7 @@ compatible = "rockchip,fiq-debugger"; rockchip,serial-id = <0>; rockchip,wake-irq = <0>; - rockchip,irq-mode-enable = <0>; + rockchip,irq-mode-enable = <1>; rockchip,baudrate = <1500000>; /* Only 115200 and 1500000 */ interrupts = ; status = "disabled";