linux-kernel - [PATCH v4 4/5] MIPS: Loongson64: DTS: Fix ISA and PCI I/O ranges for RS780E PCH

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Date:   Tue, 28 Jul 2020 23:36:58 +0800
From:   Jiaxun Yang <jiaxun.yang@...goat.com>
To:     linux-mips@...r.kernel.org
Cc:     Jiaxun Yang <jiaxun.yang@...goat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Huacai Chen <chenhc@...ote.com>,
        Frank Rowand <frowand.list@...il.com>,
        Paul Burton <paulburton@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v4 4/5] MIPS: Loongson64: DTS: Fix ISA and PCI I/O ranges for RS780E PCH

Ranges should express the actual physical address on bus.
Also enlarge the PCI I/O size to the actual hardware limit.

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 arch/mips/boot/dts/loongson/rs780e-pch.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
index d4c803d74036..871c866e0423 100644
--- a/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
+++ b/arch/mips/boot/dts/loongson/rs780e-pch.dtsi
@@ -17,7 +17,7 @@ pci@...00000 {
 
 			reg = <0 0x1a000000 0 0x02000000>;
 
-			ranges = <0x01000000 0 0x00004000 0 0x18004000 0 0x00008000>,
+			ranges = <0x01000000 0 0x00004000 0 0x18004000 0 0x0000c000>,
 				 <0x02000000 0 0x40000000 0 0x40000000 0 0x40000000>;
 		};
 
@@ -25,7 +25,7 @@ isa {
 			compatible = "isa";
 			#address-cells = <2>;
 			#size-cells = <1>;
-			ranges = <1 0 0 0 0x4000>;
+			ranges = <1 0 0 0x18000000 0x4000>;
 
 			rtc0: rtc@70 {
 				compatible = "motorola,mc146818";
-- 
2.28.0.rc1