From patchwork Fri Nov 2 19:23:56 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 1690651 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id 685903FCDE for ; Fri, 2 Nov 2012 19:26:30 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TUMqv-0002B5-FN; Fri, 02 Nov 2012 19:24:25 +0000 Received: from mho-03-ewr.mailhop.org ([204.13.248.66] helo=mho-01-ewr.mailhop.org) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TUMqZ-00025y-JA for linux-arm-kernel@lists.infradead.org; Fri, 02 Nov 2012 19:24:07 +0000 Received: from c-98-234-237-12.hsd1.ca.comcast.net ([98.234.237.12] helo=muffinssi.local) by mho-01-ewr.mailhop.org with esmtpa (Exim 4.72) (envelope-from ) id 1TUMqV-000Des-Bw; Fri, 02 Nov 2012 19:23:59 +0000 X-Mail-Handler: Dyn Standard SMTP by Dyn X-Originating-IP: 98.234.237.12 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/sendlabs/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1+eOKNDVoXre08PkCQ6Akn1 Subject: [PATCH 1/6] ARM: OMAP: Merge iommu2.h into iommu.h To: linux-kernel@vger.kernel.org From: Tony Lindgren Date: Fri, 02 Nov 2012 12:23:56 -0700 Message-ID: <20121102192356.4253.86043.stgit@muffinssi.local> In-Reply-To: <20121102192221.4253.34303.stgit@muffinssi.local> References: <20121102192221.4253.34303.stgit@muffinssi.local> User-Agent: StGit/0.16-2-g0d85 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121102_152403_751458_67A31DEC X-CRM114-Status: GOOD ( 17.32 ) X-Spam-Score: -1.9 (-) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-1.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [204.13.248.66 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Ohad Ben-Cohen , Joerg Roedel , Mauro Carvalho Chehab , Laurent Pinchart , Omar Ramirez Luna , linux-omap@vger.kernel.org, Ido Yariv , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Ido Yariv Since iommu is not supported on OMAP1 and will not likely to ever be supported, merge plat/iommu2.h into iommu.h so only one file would have to move to platform_data/ as part of the single zImage effort. Cc: Joerg Roedel Cc: Ohad Ben-Cohen Cc: Laurent Pinchart Cc: Mauro Carvalho Chehab Cc: Omar Ramirez Luna Signed-off-by: Ido Yariv Signed-off-by: Tony Lindgren --- arch/arm/plat-omap/include/plat/iommu.h | 88 ++++++++++++++++++++++++++-- arch/arm/plat-omap/include/plat/iommu2.h | 96 ------------------------------ 2 files changed, 83 insertions(+), 101 deletions(-) delete mode 100644 arch/arm/plat-omap/include/plat/iommu2.h diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h index 68b5f03..7e8c7b6 100644 --- a/arch/arm/plat-omap/include/plat/iommu.h +++ b/arch/arm/plat-omap/include/plat/iommu.h @@ -13,6 +13,12 @@ #ifndef __MACH_IOMMU_H #define __MACH_IOMMU_H +#include + +#if defined(CONFIG_ARCH_OMAP1) +#error "iommu for this processor not implemented yet" +#endif + struct iotlb_entry { u32 da; u32 pa; @@ -159,11 +165,70 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev) #define OMAP_IOMMU_ERR_TBLWALK_FAULT (1 << 3) #define OMAP_IOMMU_ERR_MULTIHIT_FAULT (1 << 4) -#if defined(CONFIG_ARCH_OMAP1) -#error "iommu for this processor not implemented yet" -#else -#include -#endif +/* + * MMU Register offsets + */ +#define MMU_REVISION 0x00 +#define MMU_SYSCONFIG 0x10 +#define MMU_SYSSTATUS 0x14 +#define MMU_IRQSTATUS 0x18 +#define MMU_IRQENABLE 0x1c +#define MMU_WALKING_ST 0x40 +#define MMU_CNTL 0x44 +#define MMU_FAULT_AD 0x48 +#define MMU_TTB 0x4c +#define MMU_LOCK 0x50 +#define MMU_LD_TLB 0x54 +#define MMU_CAM 0x58 +#define MMU_RAM 0x5c +#define MMU_GFLUSH 0x60 +#define MMU_FLUSH_ENTRY 0x64 +#define MMU_READ_CAM 0x68 +#define MMU_READ_RAM 0x6c +#define MMU_EMU_FAULT_AD 0x70 + +#define MMU_REG_SIZE 256 + +/* + * MMU Register bit definitions + */ +#define MMU_LOCK_BASE_SHIFT 10 +#define MMU_LOCK_BASE_MASK (0x1f << MMU_LOCK_BASE_SHIFT) +#define MMU_LOCK_BASE(x) \ + ((x & MMU_LOCK_BASE_MASK) >> MMU_LOCK_BASE_SHIFT) + +#define MMU_LOCK_VICT_SHIFT 4 +#define MMU_LOCK_VICT_MASK (0x1f << MMU_LOCK_VICT_SHIFT) +#define MMU_LOCK_VICT(x) \ + ((x & MMU_LOCK_VICT_MASK) >> MMU_LOCK_VICT_SHIFT) + +#define MMU_CAM_VATAG_SHIFT 12 +#define MMU_CAM_VATAG_MASK \ + ((~0UL >> MMU_CAM_VATAG_SHIFT) << MMU_CAM_VATAG_SHIFT) +#define MMU_CAM_P (1 << 3) +#define MMU_CAM_V (1 << 2) +#define MMU_CAM_PGSZ_MASK 3 +#define MMU_CAM_PGSZ_1M (0 << 0) +#define MMU_CAM_PGSZ_64K (1 << 0) +#define MMU_CAM_PGSZ_4K (2 << 0) +#define MMU_CAM_PGSZ_16M (3 << 0) + +#define MMU_RAM_PADDR_SHIFT 12 +#define MMU_RAM_PADDR_MASK \ + ((~0UL >> MMU_RAM_PADDR_SHIFT) << MMU_RAM_PADDR_SHIFT) +#define MMU_RAM_ENDIAN_SHIFT 9 +#define MMU_RAM_ENDIAN_MASK (1 << MMU_RAM_ENDIAN_SHIFT) +#define MMU_RAM_ENDIAN_BIG (1 << MMU_RAM_ENDIAN_SHIFT) +#define MMU_RAM_ENDIAN_LITTLE (0 << MMU_RAM_ENDIAN_SHIFT) +#define MMU_RAM_ELSZ_SHIFT 7 +#define MMU_RAM_ELSZ_MASK (3 << MMU_RAM_ELSZ_SHIFT) +#define MMU_RAM_ELSZ_8 (0 << MMU_RAM_ELSZ_SHIFT) +#define MMU_RAM_ELSZ_16 (1 << MMU_RAM_ELSZ_SHIFT) +#define MMU_RAM_ELSZ_32 (2 << MMU_RAM_ELSZ_SHIFT) +#define MMU_RAM_ELSZ_NONE (3 << MMU_RAM_ELSZ_SHIFT) +#define MMU_RAM_MIXED_SHIFT 6 +#define MMU_RAM_MIXED_MASK (1 << MMU_RAM_MIXED_SHIFT) +#define MMU_RAM_MIXED MMU_RAM_MIXED_MASK /* * utilities for super page(16MB, 1MB, 64KB and 4KB) @@ -218,4 +283,17 @@ omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t len); extern size_t omap_dump_tlb_entries(struct omap_iommu *obj, char *buf, ssize_t len); +/* + * register accessors + */ +static inline u32 iommu_read_reg(struct omap_iommu *obj, size_t offs) +{ + return __raw_readl(obj->regbase + offs); +} + +static inline void iommu_write_reg(struct omap_iommu *obj, u32 val, size_t offs) +{ + __raw_writel(val, obj->regbase + offs); +} + #endif /* __MACH_IOMMU_H */ diff --git a/arch/arm/plat-omap/include/plat/iommu2.h b/arch/arm/plat-omap/include/plat/iommu2.h deleted file mode 100644 index d4116b5..0000000 --- a/arch/arm/plat-omap/include/plat/iommu2.h +++ /dev/null @@ -1,96 +0,0 @@ -/* - * omap iommu: omap2 architecture specific definitions - * - * Copyright (C) 2008-2009 Nokia Corporation - * - * Written by Hiroshi DOYU - * - * 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 __MACH_IOMMU2_H -#define __MACH_IOMMU2_H - -#include - -/* - * MMU Register offsets - */ -#define MMU_REVISION 0x00 -#define MMU_SYSCONFIG 0x10 -#define MMU_SYSSTATUS 0x14 -#define MMU_IRQSTATUS 0x18 -#define MMU_IRQENABLE 0x1c -#define MMU_WALKING_ST 0x40 -#define MMU_CNTL 0x44 -#define MMU_FAULT_AD 0x48 -#define MMU_TTB 0x4c -#define MMU_LOCK 0x50 -#define MMU_LD_TLB 0x54 -#define MMU_CAM 0x58 -#define MMU_RAM 0x5c -#define MMU_GFLUSH 0x60 -#define MMU_FLUSH_ENTRY 0x64 -#define MMU_READ_CAM 0x68 -#define MMU_READ_RAM 0x6c -#define MMU_EMU_FAULT_AD 0x70 - -#define MMU_REG_SIZE 256 - -/* - * MMU Register bit definitions - */ -#define MMU_LOCK_BASE_SHIFT 10 -#define MMU_LOCK_BASE_MASK (0x1f << MMU_LOCK_BASE_SHIFT) -#define MMU_LOCK_BASE(x) \ - ((x & MMU_LOCK_BASE_MASK) >> MMU_LOCK_BASE_SHIFT) - -#define MMU_LOCK_VICT_SHIFT 4 -#define MMU_LOCK_VICT_MASK (0x1f << MMU_LOCK_VICT_SHIFT) -#define MMU_LOCK_VICT(x) \ - ((x & MMU_LOCK_VICT_MASK) >> MMU_LOCK_VICT_SHIFT) - -#define MMU_CAM_VATAG_SHIFT 12 -#define MMU_CAM_VATAG_MASK \ - ((~0UL >> MMU_CAM_VATAG_SHIFT) << MMU_CAM_VATAG_SHIFT) -#define MMU_CAM_P (1 << 3) -#define MMU_CAM_V (1 << 2) -#define MMU_CAM_PGSZ_MASK 3 -#define MMU_CAM_PGSZ_1M (0 << 0) -#define MMU_CAM_PGSZ_64K (1 << 0) -#define MMU_CAM_PGSZ_4K (2 << 0) -#define MMU_CAM_PGSZ_16M (3 << 0) - -#define MMU_RAM_PADDR_SHIFT 12 -#define MMU_RAM_PADDR_MASK \ - ((~0UL >> MMU_RAM_PADDR_SHIFT) << MMU_RAM_PADDR_SHIFT) -#define MMU_RAM_ENDIAN_SHIFT 9 -#define MMU_RAM_ENDIAN_MASK (1 << MMU_RAM_ENDIAN_SHIFT) -#define MMU_RAM_ENDIAN_BIG (1 << MMU_RAM_ENDIAN_SHIFT) -#define MMU_RAM_ENDIAN_LITTLE (0 << MMU_RAM_ENDIAN_SHIFT) -#define MMU_RAM_ELSZ_SHIFT 7 -#define MMU_RAM_ELSZ_MASK (3 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_ELSZ_8 (0 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_ELSZ_16 (1 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_ELSZ_32 (2 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_ELSZ_NONE (3 << MMU_RAM_ELSZ_SHIFT) -#define MMU_RAM_MIXED_SHIFT 6 -#define MMU_RAM_MIXED_MASK (1 << MMU_RAM_MIXED_SHIFT) -#define MMU_RAM_MIXED MMU_RAM_MIXED_MASK - -/* - * register accessors - */ -static inline u32 iommu_read_reg(struct omap_iommu *obj, size_t offs) -{ - return __raw_readl(obj->regbase + offs); -} - -static inline void iommu_write_reg(struct omap_iommu *obj, u32 val, size_t offs) -{ - __raw_writel(val, obj->regbase + offs); -} - -#endif /* __MACH_IOMMU2_H */