From patchwork Mon May 27 14:36:53 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Afzal Mohammed X-Patchwork-Id: 2620441 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 5048FDF215 for ; Mon, 27 May 2013 14:39:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932862Ab3E0Oha (ORCPT ); Mon, 27 May 2013 10:37:30 -0400 Received: from devils.ext.ti.com ([198.47.26.153]:38436 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932629Ab3E0Oh2 (ORCPT ); Mon, 27 May 2013 10:37:28 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id r4REawBF023530; Mon, 27 May 2013 09:36:58 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id r4REawuV002090; Mon, 27 May 2013 09:36:58 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.2.342.3; Mon, 27 May 2013 09:36:58 -0500 Received: from psplinux063.india.ti.com (dbdp20.itg.ti.com [172.24.170.38]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id r4REasJr009675; Mon, 27 May 2013 09:36:55 -0500 From: Afzal Mohammed To: , , , , CC: Tony Lindgren , Russell King , Benoit Cousson , Grant Likely , Rob Herring , Rob Landley , Ankur Kishore Subject: [PATCH v2 10/14] ARM: OMAP2+: AM43x: basic dt support Date: Mon, 27 May 2013 20:06:53 +0530 Message-ID: <2a3357fbbd9f103aa55cf720f64f6313d5133040.1369658705.git.afzal@ti.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Describe minimal DT boot machine details for AM43x based SoC's. AM43x SoC's are ARM Cortex-A9 based with one core. AM43x is similar to AM335x w.r.t L4 PER/WKUP memory map. AM43x has a sync timer, here that is being used as clocksource, while 1ms dmtimer as clockevent. Signed-off-by: Ankur Kishore Signed-off-by: Afzal Mohammed --- v2: Rely on dmtimer & synctimer for clockevent/source, map peripheral memory as in AM335x arch/arm/mach-omap2/board-generic.c | 16 ++++++++++++++++ arch/arm/mach-omap2/timer.c | 2 +- 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 88aa6b1..e5fbfed 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -185,3 +185,19 @@ DT_MACHINE_START(OMAP5_DT, "Generic OMAP5 (Flattened Device Tree)") .restart = omap44xx_restart, MACHINE_END #endif + +#ifdef CONFIG_SOC_AM43XX +static const char *am43_boards_compat[] __initdata = { + "ti,am43", + NULL, +}; + +DT_MACHINE_START(AM43_DT, "Generic AM43 (Flattened Device Tree)") + .map_io = am33xx_map_io, + .init_early = am43xx_init_early, + .init_irq = omap_gic_of_init, + .init_machine = omap_generic_init, + .init_time = omap3_sync32k_timer_init, + .dt_compat = am43_boards_compat, +MACHINE_END +#endif diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 8e0c390..5f148e7 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -582,7 +582,7 @@ OMAP_SYS_32K_TIMER_INIT(2, 1, "timer_32k_ck", "ti,timer-alwon", 2, "timer_sys_ck", NULL); #endif /* CONFIG_ARCH_OMAP2 */ -#ifdef CONFIG_ARCH_OMAP3 +#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_SOC_AM43XX) OMAP_SYS_32K_TIMER_INIT(3, 1, "timer_32k_ck", "ti,timer-alwon", 2, "timer_sys_ck", NULL); OMAP_SYS_32K_TIMER_INIT(3_secure, 12, "secure_32k_fck", "ti,timer-secure",