From: Vignesh R <vigneshr@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <robh+dt@kernel.org>, <linux-omap@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Vignesh R <vigneshr@ti.com>
Subject: [PATCH v4] ARM: dts: dra7: Enable workaround for errata i870 in PCIe host mode
Date: Fri, 28 Sep 2018 11:34:42 +0530 [thread overview]
Message-ID: <20180928060442.24312-1-vigneshr@ti.com> (raw)
Add ti,syscon-unaligned-access property to PCIe RC nodes to set
appropriate bits in CTRL_CORE_SMA_SW_7 register to enable workaround for
errata i870.
Signed-off-by: Vignesh R <vigneshr@ti.com>
---
This patch is split from v3 here:
https://lore.kernel.org/patchwork/cover/967020/
Dependent DT binding documentation and driver changes are now merged via
PCI tree and part of next-20180928
arch/arm/boot/dts/dra7.dtsi | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 9136b3cf9a2c..7ce24b282d42 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -336,6 +336,7 @@
<0 0 0 2 &pcie1_intc 2>,
<0 0 0 3 &pcie1_intc 3>,
<0 0 0 4 &pcie1_intc 4>;
+ ti,syscon-unaligned-access = <&scm_conf1 0x14 1>;
status = "disabled";
pcie1_intc: interrupt-controller {
interrupt-controller;
@@ -387,6 +388,7 @@
<0 0 0 2 &pcie2_intc 2>,
<0 0 0 3 &pcie2_intc 3>,
<0 0 0 4 &pcie2_intc 4>;
+ ti,syscon-unaligned-access = <&scm_conf1 0x14 2>;
pcie2_intc: interrupt-controller {
interrupt-controller;
#address-cells = <0>;
--
2.19.0
next reply other threads:[~2018-09-28 6:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-28 6:04 Vignesh R [this message]
2018-09-28 17:27 ` [PATCH v4] ARM: dts: dra7: Enable workaround for errata i870 in PCIe host mode Tony Lindgren
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