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Sun, 28 Jun 2026 16:11:58 -0700 (PDT) Received: from ryzen.lan ([2601:644:8000:7a86::e34]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-845a3fec0f7sm10450263b3a.22.2026.06.28.16.11.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Jun 2026 16:11:57 -0700 (PDT) From: Rosen Penev To: devicetree@vger.kernel.org Cc: Florian Fainelli , Hauke Mehrtens , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Broadcom internal kernel review list , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM5301X ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] ARM: dts: BCM5301X: drop extra AXI bus ranges that break PCIe Date: Sun, 28 Jun 2026 16:11:56 -0700 Message-ID: <20260628231156.1254012-1-rosenp@gmail.com> X-Mailer: git-send-email 2.54.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260628_161200_266055_6F956660 X-CRM114-Status: GOOD ( 10.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org These addresses overlap with DRAM on BCM5301X/BCM470X SoCs, causing the OF address translation code to route PCIe MMIO accesses through the AXI bus space instead of directly to memory, breaking PCIe. Remove the extra ranges to restore the original single-entry mapping that only covers the AXI peripheral register space. Assisted-by: opencode:big-pickle Fixes: 767012397976 ("ARM: dts: BCM5301X: Describe PCIe controllers fully") Signed-off-by: Rosen Penev --- arch/arm/boot/dts/broadcom/bcm-ns.dtsi | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/broadcom/bcm-ns.dtsi b/arch/arm/boot/dts/broadcom/bcm-ns.dtsi index bd52de0faa3e..27a97c8122de 100644 --- a/arch/arm/boot/dts/broadcom/bcm-ns.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm-ns.dtsi @@ -95,10 +95,7 @@ L2: cache-controller@22000 { axi@18000000 { compatible = "brcm,bus-axi"; reg = <0x18000000 0x1000>; - ranges = <0x00000000 0x18000000 0x00100000>, - <0x08000000 0x08000000 0x08000000>, - <0x20000000 0x20000000 0x08000000>, - <0x28000000 0x28000000 0x08000000>; + ranges = <0x00000000 0x18000000 0x00100000>; #address-cells = <1>; #size-cells = <1>; -- 2.54.0