From f0e722def6c7b33f5918603e4f5f275d05cc4319 Mon Sep 17 00:00:00 2001 From: Naresh Kumar Ravulapalli Date: Fri, 8 Aug 2025 02:40:03 -0700 Subject: [PATCH] arch: arm: dts: agilex5: Disable cache allocation for reads In order to circumvent CCU NOC issue in Agilex5, it is recommended to disable cache allocation for reads. This prevents hang issues caused by CCP (Common Cache Pipe) Fill Done FIFO overflow. Signed-off-by: Naresh Kumar Ravulapalli Reviewed-by: Tien Fong Chee --- arch/arm/dts/socfpga_agilex5-u-boot.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/dts/socfpga_agilex5-u-boot.dtsi b/arch/arm/dts/socfpga_agilex5-u-boot.dtsi index 402f0bec173..d51a9e2ff7f 100644 --- a/arch/arm/dts/socfpga_agilex5-u-boot.dtsi +++ b/arch/arm/dts/socfpga_agilex5-u-boot.dtsi @@ -209,7 +209,7 @@ /* DMIUSMCTCR */ <0x00000300 0x00000001 0x00000003>, <0x00000300 0x00000003 0x00000003>, - <0x00000308 0x00000004 0x0000001F>; + <0x00000308 0x0000000C 0x0000001F>; bootph-all; }; @@ -220,7 +220,7 @@ /* DMIUSMCTCR */ <0x00000300 0x00000001 0x00000003>, <0x00000300 0x00000003 0x00000003>, - <0x00000308 0x00000004 0x0000001F>; + <0x00000308 0x0000000C 0x0000001F>; bootph-all; }; }; -- 2.47.3