From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 D4720C282C7 for ; Tue, 29 Jan 2019 12:25:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A230120870 for ; Tue, 29 Jan 2019 12:25:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548764725; bh=2PgrfES4YUnKgJPx4YNFcpfR+aGLQ2K4WjEZhAwCpZU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=D4WeaEU0iqkx9JhofRL0RfGXQjyYbfkAjC+gokQyeh8E3u9ogsc9ue3tiaOtqRkOc g1wuCVdWrxWd0kng0NSxmQDxL9EzdIpSH17bCaCeCOPjxNW5bCTX+h5h8Qjy8RatD6 33Bs94kwN5GebrWZwoh9kPZf2mqrP2sIM8RYKEhE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729053AbfA2MZY (ORCPT ); Tue, 29 Jan 2019 07:25:24 -0500 Received: from mail.kernel.org ([198.145.29.99]:36158 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728976AbfA2MZW (ORCPT ); Tue, 29 Jan 2019 07:25:22 -0500 Received: from localhost.localdomain (unknown [60.186.218.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 942122087E; Tue, 29 Jan 2019 12:25:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548764721; bh=2PgrfES4YUnKgJPx4YNFcpfR+aGLQ2K4WjEZhAwCpZU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qcby8E0k0A+jrP3PaQc/9UqaZTTb2wkOqazGabE5qf4fg9gCLq43vJi4wzp4D3co+ wRHc3qRSVsejkyBvzIwx7gtsp4ia8Qp+u4l6133eLnGa5ClvuXm0qtyh1eMH+BP3da CCOOIHCLb/pR3Bumoxl7E+tPVpka1gO19emDjUbo= From: guoren@kernel.org To: arnd@arndb.de, robh+dt@kernel.org, marc.zyngier@arm.com Cc: linux-kernel@vger.kernel.org, guoren@kernel.org, linux-arch@vger.kernel.org, Guo Ren Subject: [PATCH 10/10] irqchip/csky: Add support-vector-irq for apb-intc Date: Tue, 29 Jan 2019 20:24:29 +0800 Message-Id: <1548764669-16656-10-git-send-email-guoren@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1548764669-16656-1-git-send-email-guoren@kernel.org> References: <1548764669-16656-1-git-send-email-guoren@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guo Ren Some socs don't provide pending registers, so we must make the interrupt controller working at vector mode. Add csky,support-vector-irq to support this mode in dts. Signed-off-by: Guo Ren --- drivers/irqchip/irq-csky-apb-intc.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-csky-apb-intc.c b/drivers/irqchip/irq-csky-apb-intc.c index ae4c59b..14ef206 100644 --- a/drivers/irqchip/irq-csky-apb-intc.c +++ b/drivers/irqchip/irq-csky-apb-intc.c @@ -302,10 +302,17 @@ static void ck_irq_handler(struct pt_regs *regs) pr_err("%s: none irq pending!\n", __func__); } +static void ck_vec_irq_handler(struct pt_regs *regs) +{ + unsigned long vector = (mfcr("psr") >> 16) & 0xff; + + handle_domain_irq(root_domain, vector - 32, regs); +} + static int __init ck_intc_init(struct device_node *node, struct device_node *parent) { - int ret; + int ret, i; ret = ck_intc_init_comm(node, parent); if (ret) @@ -323,7 +330,16 @@ ck_intc_init(struct device_node *node, struct device_node *parent) setup_irq_channel(0x00010203, reg_base + CK_INTC_SOURCE); - set_handle_irq(ck_irq_handler); + if (of_find_property(node, "csky,support-vector-irq", NULL)) { + set_handle_irq(ck_vec_irq_handler); + + for (i = 32; i < 128; i++) + VEC_INIT(i, csky_irq); + + writel(0, reg_base + CK_INTC_ICR); + } else { + set_handle_irq(ck_irq_handler); + } return 0; } -- 2.7.4