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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNWANTED_LANGUAGE_BODY,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 27A8FCA9ECB for ; Thu, 31 Oct 2019 16:53:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 04D96208C0 for ; Thu, 31 Oct 2019 16:53:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728804AbfJaQxR (ORCPT ); Thu, 31 Oct 2019 12:53:17 -0400 Received: from mx2.suse.de ([195.135.220.15]:34808 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728753AbfJaQxO (ORCPT ); Thu, 31 Oct 2019 12:53:14 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id BE77AB30A; Thu, 31 Oct 2019 16:53:12 +0000 (UTC) From: =?UTF-8?q?Andreas=20F=C3=A4rber?= To: linux-realtek-soc@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Andreas=20F=C3=A4rber?= , Russell King Subject: [PATCH v2 4/4] ARM: realtek: Enable RTD1195 arch timer Date: Thu, 31 Oct 2019 17:53:07 +0100 Message-Id: <20191031165308.14102-5-afaerber@suse.de> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20191031165308.14102-1-afaerber@suse.de> References: <20191031165308.14102-1-afaerber@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Without this magic write the timer doesn't work and boot gets stuck. Signed-off-by: Andreas Färber --- v2: New arch/arm/mach-realtek/rtd1195.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm/mach-realtek/rtd1195.c b/arch/arm/mach-realtek/rtd1195.c index 99e5d3e96a8e..cd16f1e99646 100644 --- a/arch/arm/mach-realtek/rtd1195.c +++ b/arch/arm/mach-realtek/rtd1195.c @@ -5,6 +5,9 @@ * Copyright (c) 2017-2019 Andreas Färber */ +#include +#include +#include #include #include @@ -24,6 +27,18 @@ static void __init rtd1195_reserve(void) rtd1195_memblock_remove(0x18100000, 0x01000000); } +static void __init rtd1195_init_time(void) +{ + void __iomem *base; + + base = ioremap(0xff018000, 4); + writel(0x1, base); + iounmap(base); + + of_clk_init(NULL); + timer_probe(); +} + static const char *const rtd1195_dt_compat[] __initconst = { "realtek,rtd1195", NULL @@ -31,6 +46,7 @@ static const char *const rtd1195_dt_compat[] __initconst = { DT_MACHINE_START(rtd1195, "Realtek RTD1195") .dt_compat = rtd1195_dt_compat, + .init_time = rtd1195_init_time, .reserve = rtd1195_reserve, .l2c_aux_val = 0x0, .l2c_aux_mask = ~0x0, -- 2.16.4