linux-kernel - [PATCH 2/3] PCI: iproc: fix invalidating PAXB address mapping

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Message-Id: <1585206447-1363-3-git-send-email-srinath.mannam@broadcom.com>
Date:   Thu, 26 Mar 2020 12:37:26 +0530
From:   Srinath Mannam <srinath.mannam@...adcom.com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Andrew Murray <andrew.murray@....com>
Cc:     bcm-kernel-feedback-list@...adcom.com, linux-pci@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Roman Bacik <roman.bacik@...adcom.com>
Subject: [PATCH 2/3] PCI: iproc: fix invalidating PAXB address mapping

From: Roman Bacik <roman.bacik@...adcom.com>

Second stage bootloader prior to Linux boot may use all inbound windows
including IARR1/IMAP1. We need to ensure all previous configuration of
inbound windows are invalidated during the initialization stage of the
Linux iProc PCIe driver. Add fix to invalidate IARR1/IMAP1 because it was
missed in previous patch.

Fixes: 9415743e4c8a ("PCI: iproc: Invalidate PAXB address mapping")
Signed-off-by: Roman Bacik <roman.bacik@...adcom.com>
---
 drivers/pci/controller/pcie-iproc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c
index 6972ca4..e7f0d58 100644
--- a/drivers/pci/controller/pcie-iproc.c
+++ b/drivers/pci/controller/pcie-iproc.c
@@ -351,6 +351,8 @@ static const u16 iproc_pcie_reg_paxb_v2[IPROC_PCIE_MAX_NUM_REG] = {
 	[IPROC_PCIE_OMAP3]		= 0xdf8,
 	[IPROC_PCIE_IARR0]		= 0xd00,
 	[IPROC_PCIE_IMAP0]		= 0xc00,
+	[IPROC_PCIE_IARR1]		= 0xd08,
+	[IPROC_PCIE_IMAP1]		= 0xd70,
 	[IPROC_PCIE_IARR2]		= 0xd10,
 	[IPROC_PCIE_IMAP2]		= 0xcc0,
 	[IPROC_PCIE_IARR3]		= 0xe00,
-- 
2.7.4