From patchwork Wed Apr 29 21:53:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 211454 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=-9.8 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=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 108C1C83007 for ; Wed, 29 Apr 2020 21:55:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E0E0E20757 for ; Wed, 29 Apr 2020 21:55:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727879AbgD2VyT (ORCPT ); Wed, 29 Apr 2020 17:54:19 -0400 Received: from muru.com ([72.249.23.125]:51876 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727871AbgD2VyS (ORCPT ); Wed, 29 Apr 2020 17:54:18 -0400 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 0B508819C; Wed, 29 Apr 2020 21:55:05 +0000 (UTC) From: Tony Lindgren To: Daniel Lezcano , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Keerthy , Lokesh Vutla , Tero Kristo , "H. Nikolaus Schaller" , Aaro Koskinen , Adam Ford , Andreas Kemnade , Brian Hutchinson , Graeme Smecher , Michael Turquette , Stephen Boyd , devicetree@vger.kernel.org, linux-clk@vger.kernel.org Subject: [PATCH 05/15] bus: ti-sysc: Ignore timer12 on secure omap3 Date: Wed, 29 Apr 2020 14:53:52 -0700 Message-Id: <20200429215402.18125-6-tony@atomide.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200429215402.18125-1-tony@atomide.com> References: <20200429215402.18125-1-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;