From patchwork Tue Nov 6 16:44:35 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthieu CASTET X-Patchwork-Id: 1705781 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 9E03FDFE75 for ; Tue, 6 Nov 2012 16:44:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751435Ab2KFQos (ORCPT ); Tue, 6 Nov 2012 11:44:48 -0500 Received: from mail-bk0-f46.google.com ([209.85.214.46]:62480 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751158Ab2KFQos (ORCPT ); Tue, 6 Nov 2012 11:44:48 -0500 Received: by mail-bk0-f46.google.com with SMTP id jk13so317573bkc.19 for ; Tue, 06 Nov 2012 08:44:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer; bh=Ldgdkxdare99OhUxxmpQKgtjMKRI9Hd506odoAASkgM=; b=DI0TkoL5xY2IURz8X8f3NcGh6/R2rD+ZlQlnEvQfjDgHwPTrhVvNroFkWJYaA8yEw2 GfACN6GI+DgrYXbNwVRtF6LcnftOCeQTBe8ajz9fx7wjVFTl2KT+su6QKNTKBneEOEf+ LJGY5V+d5e232Ms5kGgBaJL8WG7MtU5fZfFombrywywVu2nb/Fd2Ioh1+q3Io9dDxMlC Pt7bkGuXxl/rq91iJB+fjpyWdQcPMSU6YUCdvCHY/04GPXDJ8uycriP8hxyODKN+AO76 2PnmDV8p/KRjnrp/RYuLLFVDsZPw8eK7/xPVXB27naMa2EFriobkCCppUViE9yIMuPel BHjQ== Received: by 10.204.150.213 with SMTP id z21mr459096bkv.45.1352220286726; Tue, 06 Nov 2012 08:44:46 -0800 (PST) Received: from perruche.Parrot.Biz ([46.218.109.82]) by mx.google.com with ESMTPS id ia2sm12666466bkc.11.2012.11.06.08.44.43 (version=SSLv3 cipher=OTHER); Tue, 06 Nov 2012 08:44:45 -0800 (PST) From: Matthieu CASTET To: linux-mtd@lists.infradead.org, linux-omap@vger.kernel.org Cc: dedekind1@gmail.com, Matthieu CASTET Subject: [PATCH 1/3] omap gpmc : add support of setting CYCLE2CYCLEDELAY and BUSTURNAROUND Date: Tue, 6 Nov 2012 17:44:35 +0100 Message-Id: <1352220277-4251-1-git-send-email-matthieu.castet@parrot.com> X-Mailer: git-send-email 1.7.10.4 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Signed-off-by: Matthieu CASTET --- arch/arm/mach-omap2/gpmc.c | 7 ++++++- arch/arm/plat-omap/include/plat/gpmc.h | 2 ++ 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index 8ab1e1b..3957ffc 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -333,8 +333,13 @@ int gpmc_cs_set_timings(int cs, const struct gpmc_timings *t) if (gpmc_capability & GPMC_HAS_WR_DATA_MUX_BUS) GPMC_SET_ONE(GPMC_CS_CONFIG6, 16, 19, wr_data_mux_bus); - if (gpmc_capability & GPMC_HAS_WR_ACCESS) + if (gpmc_capability & GPMC_HAS_WR_ACCESS) { + /* XXX check on which hardware it is supported */ + GPMC_SET_ONE(GPMC_CS_CONFIG6, 0, 3, busturnaround); + GPMC_SET_ONE(GPMC_CS_CONFIG6, 8, 11, cycle2cycledelay); + GPMC_SET_ONE(GPMC_CS_CONFIG6, 24, 28, wr_access); + } /* caller is expected to have initialized CONFIG1 to cover * at least sync vs async diff --git a/arch/arm/plat-omap/include/plat/gpmc.h b/arch/arm/plat-omap/include/plat/gpmc.h index 2e6e259..34ca454 100644 --- a/arch/arm/plat-omap/include/plat/gpmc.h +++ b/arch/arm/plat-omap/include/plat/gpmc.h @@ -131,6 +131,8 @@ struct gpmc_timings { /* The following are only on OMAP3430 */ u16 wr_access; /* WRACCESSTIME */ u16 wr_data_mux_bus; /* WRDATAONADMUXBUS */ + u16 cycle2cycledelay; /* CYCLE2CYCLEDELAY */ + u16 busturnaround; /* BUSTURNAROUND */ }; struct gpmc_nand_regs {