From patchwork Tue Jul 6 10:50:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kishon Vijay Abraham I X-Patchwork-Id: 12360343 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 CE794C07E9E for ; Tue, 6 Jul 2021 10:51:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B7AFC619CB for ; Tue, 6 Jul 2021 10:51:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231791AbhGFKxo (ORCPT ); Tue, 6 Jul 2021 06:53:44 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:42022 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231702AbhGFKxn (ORCPT ); Tue, 6 Jul 2021 06:53:43 -0400 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 166AotDI059882; Tue, 6 Jul 2021 05:50:55 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1625568655; bh=jgiitGNC5LzM3hjI9JoEksLaAazLepBQYg9dPLYRlpo=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=yIFV0W9mt6zZGYJrfezn5eym2qZF8Z/h5sOOtvUnnAyc+9SCVH8rTGQvCLa29bnLM pc0go3rtoXGITDQjCGwrTfNEfVkcqjfUx3kIKhpy4xkwrjZN0KEyc2AFJXVR0F5CMt iEIom2NBB+GeIt9X5TNr2ew/T5FuAt64d/QTVA/8= Received: from DFLE100.ent.ti.com (dfle100.ent.ti.com [10.64.6.21]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 166AotUb126121 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 6 Jul 2021 05:50:55 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Tue, 6 Jul 2021 05:50:54 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Tue, 6 Jul 2021 05:50:54 -0500 Received: from a0393678-ssd.india.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 166Aoar4015822; Tue, 6 Jul 2021 05:50:51 -0500 From: Kishon Vijay Abraham I To: Lorenzo Pieralisi , Arnd Bergmann , Rob Herring , Bjorn Helgaas CC: Lokesh Vutla , Kishon Vijay Abraham I , Greg Kroah-Hartman , Tom Joseph , , , , , Nadeem Athani Subject: [PATCH 3/5] PCI: j721e: Add PCIe support for AM64 Date: Tue, 6 Jul 2021 16:20:33 +0530 Message-ID: <20210706105035.9915-4-kishon@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210706105035.9915-1-kishon@ti.com> References: <20210706105035.9915-1-kishon@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org AM64 has the same PCIe IP as in J7200 with certain erratas not applicable (quirk_detect_quiet_flag). Add support for "ti,am64-pcie-host" compatible and "ti,am64-pcie-ep" compatible that is specific to AM64. Signed-off-by: Kishon Vijay Abraham I --- drivers/pci/controller/cadence/pci-j721e.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c index 803da33b86d8..3156b28ae8ab 100644 --- a/drivers/pci/controller/cadence/pci-j721e.c +++ b/drivers/pci/controller/cadence/pci-j721e.c @@ -310,6 +310,17 @@ static const struct j721e_pcie_data j7200_pcie_ep_data = { .quirk_detect_quiet_flag = true, }; +static const struct j721e_pcie_data am64_pcie_rc_data = { + .mode = PCI_MODE_RC, + .link_irq_reg_field = J7200_LINK_DOWN, + .byte_access_allowed = true, +}; + +static const struct j721e_pcie_data am64_pcie_ep_data = { + .mode = PCI_MODE_EP, + .link_irq_reg_field = J7200_LINK_DOWN, +}; + static const struct of_device_id of_j721e_pcie_match[] = { { .compatible = "ti,j721e-pcie-host", @@ -327,6 +338,14 @@ static const struct of_device_id of_j721e_pcie_match[] = { .compatible = "ti,j7200-pcie-ep", .data = &j7200_pcie_ep_data, }, + { + .compatible = "ti,am64-pcie-host", + .data = &am64_pcie_rc_data, + }, + { + .compatible = "ti,am64-pcie-ep", + .data = &am64_pcie_ep_data, + }, {}, };