From patchwork Mon Dec 28 12:44:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 354704 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DE91C433DB for ; Mon, 28 Dec 2020 15:04:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 429E522472 for ; Mon, 28 Dec 2020 15:04:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439777AbgL1OME (ORCPT ); Mon, 28 Dec 2020 09:12:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:46668 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2439773AbgL1OMD (ORCPT ); Mon, 28 Dec 2020 09:12:03 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id ACC1B206D4; Mon, 28 Dec 2020 14:11:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1609164682; bh=2cxPfFdtevGz+SzS58rMmf9JDv7xCB4o33hk7gN+MBA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=a1A0t8IWM8XO+olPt+FpvtlOk723MKXI+z7TG8XMwmcmALLvD7nV2zJOrj54i/gXF jGCs0M3QCDbnEiEUoVf1BzTvEkl8pYlKm3dSXKtw0RONa5FtJlc2aMJUhXf4KMPnAN q6vUumWbOSh5CbUNdkzpbFGTr3rEoTZcWqyYkc5s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Roman Bacik , Srinath Mannam , Lorenzo Pieralisi , Sasha Levin Subject: [PATCH 5.10 243/717] PCI: iproc: Invalidate correct PAXB inbound windows Date: Mon, 28 Dec 2020 13:44:01 +0100 Message-Id: <20201228125032.632176227@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201228125020.963311703@linuxfoundation.org> References: <20201228125020.963311703@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Roman Bacik [ Upstream commit 89bbcaac3dff21f3567956b3416f5ec8b45f5555 ] Second stage bootloaders prior to Linux boot may use all inbound windows including IARR1/IMAP1. We need to ensure that all previous configuration of inbound windows are invalidated during the initialization stage of the Linux iProc PCIe driver so let's add a fix to define and invalidate IARR1/IMAP1 because it is currently missing, fixing the issue. Link: https://lore.kernel.org/r/20201001060054.6616-3-srinath.mannam@broadcom.com Fixes: 9415743e4c8a ("PCI: iproc: Invalidate PAXB address mapping") Signed-off-by: Roman Bacik Signed-off-by: Srinath Mannam [lorenzo.pieralisi@arm.com: commit log] Signed-off-by: Lorenzo Pieralisi Signed-off-by: Sasha Levin --- drivers/pci/controller/pcie-iproc.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c index d901b9d392b8c..cc5b7823edeb7 100644 --- a/drivers/pci/controller/pcie-iproc.c +++ b/drivers/pci/controller/pcie-iproc.c @@ -192,8 +192,15 @@ static const struct iproc_pcie_ib_map paxb_v2_ib_map[] = { .imap_window_offset = 0x4, }, { - /* IARR1/IMAP1 (currently unused) */ - .type = IPROC_PCIE_IB_MAP_INVALID, + /* IARR1/IMAP1 */ + .type = IPROC_PCIE_IB_MAP_MEM, + .size_unit = SZ_1M, + .region_sizes = { 8 }, + .nr_sizes = 1, + .nr_windows = 8, + .imap_addr_offset = 0x4, + .imap_window_offset = 0x8, + }, { /* IARR2/IMAP2 */ @@ -351,6 +358,8 @@ 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,