From patchwork Wed Nov 5 16:01:19 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 5235381 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 2356C9F295 for ; Wed, 5 Nov 2014 16:04:47 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3AD8E20172 for ; Wed, 5 Nov 2014 16:04:46 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 20B322015E for ; Wed, 5 Nov 2014 16:04:45 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xm32K-00029v-4R; Wed, 05 Nov 2014 16:02:20 +0000 Received: from casper.infradead.org ([2001:770:15f::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xm32E-00026p-Tr for linux-arm-kernel@bombadil.infradead.org; Wed, 05 Nov 2014 16:02:15 +0000 Received: from down.free-electrons.com ([37.187.137.238] helo=mail.free-electrons.com) by casper.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Xm32C-0001b4-LM for linux-arm-kernel@lists.infradead.org; Wed, 05 Nov 2014 16:02:13 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id DF2894B9; Wed, 5 Nov 2014 17:01:33 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (col31-4-88-188-83-94.fbx.proxad.net [88.188.83.94]) by mail.free-electrons.com (Postfix) with ESMTPSA id 07A534B7; Wed, 5 Nov 2014 17:01:32 +0100 (CET) From: Boris Brezillon To: Samuel Ortiz , Lee Jones , Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , Andrew Victor , Jean-Jacques Hiblot Subject: [PATCH v2 03/11] mfd: syscon: Add atmel-smc registers definition Date: Wed, 5 Nov 2014 17:01:19 +0100 Message-Id: <1415203287-21517-4-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1415203287-21517-1-git-send-email-boris.brezillon@free-electrons.com> References: <1415203287-21517-1-git-send-email-boris.brezillon@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141105_160212_778026_1DD9F8D8 X-CRM114-Status: GOOD ( 11.94 ) X-Spam-Score: -1.8 (-) Cc: Mark Rutland , devicetree@vger.kernel.org, Pawel Moll , Ian Campbell , Boris Brezillon , linux-kernel@vger.kernel.org, Rob Herring , Kumar Gala , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Atmel AT91 SoCs have a memory range reserved for SMC (Static Memory Controller) configuration. Expose those registers so that drivers can make use of the smc syscon declared in at91 DTs. Signed-off-by: Boris Brezillon Acked-by: Lee Jones --- include/linux/mfd/syscon/atmel-smc.h | 60 ++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 include/linux/mfd/syscon/atmel-smc.h diff --git a/include/linux/mfd/syscon/atmel-smc.h b/include/linux/mfd/syscon/atmel-smc.h new file mode 100644 index 0000000..430f486 --- /dev/null +++ b/include/linux/mfd/syscon/atmel-smc.h @@ -0,0 +1,60 @@ +/* + * Atmel SMC (Static Memory Controller) register offsets and bit definitions. + * + * Copyright (C) 2014 Atmel + * Copyright (C) 2014 Free Electrons + * + * Author: Boris Brezillon + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _LINUX_MFD_SYSCON_ATMEL_SMC_H_ +#define _LINUX_MFD_SYSCON_ATMEL_SMC_H_ + +#include + +#define AT91SAM9_SMC_GENERIC_OFFSET 0x00 +#define AT91SAM9_SMC_GENERIC_BLK_SZ 0x10 + +#define SAMA5_SMC_GENERIC_OFFSET 0x600 +#define SAMA5_SMC_GENERIC_BLK_SZ 0x14 + +#define AT91SAM9_SMC_SETUP(o) ((o) + 0x00) +#define AT91SAM9_SMC_NWESETUP_SHFT 0 +#define AT91SAM9_SMC_NCS_WRSETUP_SHFT 8 +#define AT91SAM9_SMC_NRDSETUP_SHFT 16 +#define AT91SAM9_SMC_NCS_NRDSETUP_SHFT 24 + +#define AT91SAM9_SMC_PULSE(o) ((o) + 0x04) + +#define AT91SAM9_SMC_CYCLE(o) ((o) + 0x08) + +#define AT91SAM9_SMC_MODE(o) ((o) + 0x0c) +#define SAMA5_SMC_MODE(o) ((o) + 0x10) +#define AT91_SMC_READMODE BIT(0) +#define AT91_SMC_WRITEMODE BIT(1) +#define AT91_SMC_EXNWMODE GENMASK(5, 4) +#define AT91_SMC_EXNWMODE_DISABLE (0 << 4) +#define AT91_SMC_EXNWMODE_FROZEN (2 << 4) +#define AT91_SMC_EXNWMODE_READY (3 << 4) +#define AT91_SMC_BAT BIT(8) +#define AT91_SMC_BAT_SELECT (0 << 8) +#define AT91_SMC_BAT_WRITE (1 << 8) +#define AT91_SMC_DBW GENMASK(13, 12) +#define AT91_SMC_DBW_8 (0 << 12) +#define AT91_SMC_DBW_16 (1 << 12) +#define AT91_SMC_DBW_32 (2 << 12) +#define AT91_SMC_TDF GENMASK(19, 16) +#define AT91_SMC_TDF_(x) (((x) & 0xf) << 16) +#define AT91_SMC_TDFMODE BIT(20) +#define AT91_SMC_PMEN BIT(24) +#define AT91_SMC_PS GENMASK(29, 28) +#define AT91_SMC_PS_4 (0 << 28) +#define AT91_SMC_PS_8 (1 << 28) +#define AT91_SMC_PS_16 (2 << 28) +#define AT91_SMC_PS_32 (3 << 28) + +#endif /* _LINUX_MFD_SYSCON_ATMEL_SMC_H_ */