From patchwork Fri Apr 17 16:55:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 211510 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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, 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 71744C38A2C for ; Fri, 17 Apr 2020 16:55:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5AC8A2223D for ; Fri, 17 Apr 2020 16:55:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728122AbgDQQzo (ORCPT ); Fri, 17 Apr 2020 12:55:44 -0400 Received: from muru.com ([72.249.23.125]:50064 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728020AbgDQQzn (ORCPT ); Fri, 17 Apr 2020 12:55:43 -0400 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id C80A58160; Fri, 17 Apr 2020 16:56:29 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Keerthy , Lokesh Vutla , Tero Kristo , "H. Nikolaus Schaller" , Aaro Koskinen , Adam Ford , Andreas Kemnade , Daniel Lezcano , Michael Turquette , Stephen Boyd , Thomas Gleixner , devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 04/14] bus: ti-sysc: Ignore timer12 on secure omap3 Date: Fri, 17 Apr 2020 09:55:09 -0700 Message-Id: <20200417165519.4979-5-tony@atomide.com> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200417165519.4979-1-tony@atomide.com> References: <20200417165519.4979-1-tony@atomide.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Some early omap3 boards use timer12 for system timer, but for secure SoCs like on n900 it's not accessible. Likely we will be configuring unavailable devices for other SoCs too based on runtime SoC detection, so let's use a switch to start with. Cc: Keerthy Cc: Lokesh Vutla Cc: Tero Kristo Signed-off-by: Tony Lindgren --- drivers/bus/ti-sysc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -2744,6 +2744,17 @@ static int sysc_init_soc(struct sysc *ddata) if (match && match->data) sysc_soc->soc = (int)match->data; + /* Ignore devices that are not available on HS and EMU SoCs */ + if (!sysc_soc->general_purpose) { + switch (sysc_soc->soc) { + case SOC_3430 ... SOC_3630: + sysc_add_disabled(0x48304000); /* timer12 */ + break; + default: + break; + }; + } + match = soc_device_match(sysc_soc_feat_match); if (!match) return 0;