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Message-Id: <20210226140305.26356-9-nsaenzjulienne@suse.de>
Date:   Fri, 26 Feb 2021 15:03:00 +0100
From:   Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
To:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     f.fainelli@...il.com, robh+dt@...nel.org, robin.murphy@....com,
        ardb@...nel.org, hch@...radead.org, narmstrong@...libre.com,
        dwmw2@...radead.org, linux@...linux.org.uk,
        catalin.marinas@....com, arnd@...db.de, will@...nel.org,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
Subject: [RFC 08/13] arm64: dts: marvell: armada-ap80x: Mark config-space bus as 64bit-mmio-broken

As per Marvell's Armada-AP806 erratum #582743 the bus can't handle 64bit
MMIO accesses.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@...e.de>
---
 arch/arm64/boot/dts/marvell/armada-ap80x.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi b/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi
index 6614472100c2..a009458edf24 100644
--- a/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-ap80x.dtsi
@@ -54,6 +54,7 @@ config-space@...00000 {
 			#address-cells = <1>;
 			#size-cells = <1>;
 			compatible = "simple-bus";
+			64bit-mmio-broken;
 			ranges = <0x0 0x0 0xf0000000 0x1000000>;
 
 			smmu: iommu@...0000 {
-- 
2.30.1

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