From patchwork Wed Sep 12 19:45:45 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Omar Ramirez Luna X-Patchwork-Id: 1446421 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (unknown [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id A8F823FE79 for ; Wed, 12 Sep 2012 20:03:06 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TBstK-0007am-BU; Wed, 12 Sep 2012 19:46:30 +0000 Received: from mail-ob0-f177.google.com ([209.85.214.177]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TBssv-0007WR-2P for linux-arm-kernel@lists.infradead.org; Wed, 12 Sep 2012 19:46:06 +0000 Received: by obbta17 with SMTP id ta17so3385244obb.36 for ; Wed, 12 Sep 2012 12:46:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=jmqGyj9IrmQj9pbKiR5TibYaCJ11mgyyccqcYd3y9V4=; b=E5P9dN+0QRN5EthzcMdeQuzSm/fQf5bdt8zFom529f+Vrc/r38TDM7Zq7bUix0K0rX KluL18cg6xEgz9EIceGNZ3jFqWI3V2jTe9b2BkFiHeOGerz02fgc6Omspw0BLO1KC8bW dUckfI2gCSuxRLBurkWut/5jJf5hWHSmxVgZYsvo75aUAEm0CZLs6YuBdnmlnRxju48L /cnKccyThyKHLm+zPe+JDsmsqs6Fclq4qDfxqsxu9EUlQEKVLHoN2wbbNGoAoNs3WxJk B4ijFmjEjmqUpcBWjJ/nW9q8OvHqulxwMIMyx2DiFgqoo4TAyF/bL+z6LRcWuo39laiE jGhw== Received: by 10.60.30.168 with SMTP id t8mr24681586oeh.89.1347479164397; Wed, 12 Sep 2012 12:46:04 -0700 (PDT) Received: from uda0273944.am.dhcp.ti.com (dragon.ti.com. [192.94.94.33]) by mx.google.com with ESMTPS id a6sm17041227oeh.1.2012.09.12.12.46.03 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 12 Sep 2012 12:46:04 -0700 (PDT) From: Omar Ramirez Luna To: Tony Lindgren , Benoit Cousson , Ohad Ben-Cohen , Joerg Roedel Subject: [PATCH v2 2/9] ARM: OMAP3: hwmod data: add mmu data for iva and isp Date: Wed, 12 Sep 2012 14:45:45 -0500 Message-Id: <1347479152-588-3-git-send-email-omar.luna@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1347479152-588-1-git-send-email-omar.luna@linaro.org> References: <1347479152-588-1-git-send-email-omar.luna@linaro.org> X-Gm-Message-State: ALoCoQlBZEhHq+pQSUY2WsYcvliNksv+Z70TXvGWeoplwK3IuSNtCNGU0w8Vg/KX9jcyxzSYgANx X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [209.85.214.177 listed in list.dnswl.org] -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Russell King , linux-doc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, Rajendra Nayak , linux-kernel@vger.kernel.org, Peter Ujfalusi , Laurent Pinchart , Omar Ramirez Luna , linux-omap@vger.kernel.org, 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: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add mmu hwmod data for iva and isp. Due to compatibility an ifdef CONFIG_OMAP_IOMMU_IVA2 needs to be propagated (previously on iommu resource info) to hwmod data in OMAP3, so users of iommu and tidspbridge can avoid issues of two modules managing mmu data/irqs/resets; this until tidspbridge can be migrated to iommu framework. Cc: Benoit Cousson Signed-off-by: Omar Ramirez Luna --- arch/arm/mach-omap2/omap_hwmod_3xxx_data.c | 121 ++++++++++++++++++++++++++++ arch/arm/plat-omap/include/plat/iommu.h | 13 +++ 2 files changed, 134 insertions(+) diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c index c9e3820..70f14f9 100644 --- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c @@ -29,6 +29,7 @@ #include #include #include +#include #include "omap_hwmod_common_data.h" #include "prm-regbits-34xx.h" @@ -2814,6 +2815,122 @@ static struct omap_hwmod_ocp_if omap3xxx_l4_per__gpio3 = { .user = OCP_USER_MPU | OCP_USER_SDMA, }; +/* + * 'mmu' class + * The memory management unit performs virtual to physical address translation + * for its requestors. + */ + +static struct omap_hwmod_class_sysconfig mmu_sysc = { + .rev_offs = 0x000, + .sysc_offs = 0x010, + .syss_offs = 0x014, + .sysc_flags = (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE | + SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE), + .idlemodes = (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART), + .sysc_fields = &omap_hwmod_sysc_type1, +}; + +static struct omap_hwmod_class omap3xxx_mmu_hwmod_class = { + .name = "mmu", + .sysc = &mmu_sysc, +}; + +/* mmu isp */ + +static struct omap_mmu_dev_attr mmu_isp_dev_attr = { + .da_start = 0x0, + .da_end = 0xfffff000, + .nr_tlb_entries = 8, +}; + +static struct omap_hwmod omap3xxx_mmu_isp_hwmod; +static struct omap_hwmod_irq_info omap3xxx_mmu_isp_irqs[] = { + { .irq = 24 }, + { .irq = -1 } +}; + +static struct omap_hwmod_addr_space omap3xxx_mmu_isp_addrs[] = { + { + .pa_start = 0x480bd400, + .pa_end = 0x480bd47f, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +/* l4_core -> mmu isp */ +static struct omap_hwmod_ocp_if omap3xxx_l4_core__mmu_isp = { + .master = &omap3xxx_l4_core_hwmod, + .slave = &omap3xxx_mmu_isp_hwmod, + .addr = omap3xxx_mmu_isp_addrs, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod omap3xxx_mmu_isp_hwmod = { + .name = "mmu_isp", + .class = &omap3xxx_mmu_hwmod_class, + .mpu_irqs = omap3xxx_mmu_isp_irqs, + .main_clk = "cam_ick", + .dev_attr = &mmu_isp_dev_attr, + .flags = HWMOD_NO_IDLEST, +}; + +#ifdef CONFIG_OMAP_IOMMU_IVA2 + +/* mmu iva */ + +static struct omap_mmu_dev_attr mmu_iva_dev_attr = { + .da_start = 0x11000000, + .da_end = 0xfffff000, + .nr_tlb_entries = 32, +}; + +static struct omap_hwmod omap3xxx_mmu_iva_hwmod; +static struct omap_hwmod_irq_info omap3xxx_mmu_iva_irqs[] = { + { .irq = 28 }, + { .irq = -1 } +}; + +static struct omap_hwmod_rst_info omap3xxx_mmu_iva_resets[] = { + { .name = "mmu", .rst_shift = 1, .st_shift = 9 }, +}; + +static struct omap_hwmod_addr_space omap3xxx_mmu_iva_addrs[] = { + { + .pa_start = 0x5d000000, + .pa_end = 0x5d00007f, + .flags = ADDR_TYPE_RT, + }, + { } +}; + +/* l3_main -> iva mmu */ +static struct omap_hwmod_ocp_if omap3xxx_l3_main__mmu_iva = { + .master = &omap3xxx_l3_main_hwmod, + .slave = &omap3xxx_mmu_iva_hwmod, + .addr = omap3xxx_mmu_iva_addrs, + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +static struct omap_hwmod omap3xxx_mmu_iva_hwmod = { + .name = "mmu_iva", + .class = &omap3xxx_mmu_hwmod_class, + .mpu_irqs = omap3xxx_mmu_iva_irqs, + .rst_lines = omap3xxx_mmu_iva_resets, + .rst_lines_cnt = ARRAY_SIZE(omap3xxx_mmu_iva_resets), + .main_clk = "iva2_ck", + .prcm = { + .omap2 = { + .module_offs = OMAP3430_IVA2_MOD, + }, + }, + .dev_attr = &mmu_iva_dev_attr, + .flags = HWMOD_NO_IDLEST, +}; + +#endif + /* l4_per -> gpio4 */ static struct omap_hwmod_addr_space omap3xxx_gpio4_addrs[] = { { @@ -3312,6 +3429,10 @@ static struct omap_hwmod_ocp_if *omap3xxx_hwmod_ocp_ifs[] __initdata = { &omap34xx_l4_core__mcspi2, &omap34xx_l4_core__mcspi3, &omap34xx_l4_core__mcspi4, + &omap3xxx_l4_core__mmu_isp, +#ifdef CONFIG_OMAP_IOMMU_IVA2 + &omap3xxx_l3_main__mmu_iva, +#endif &omap3xxx_l4_wkup__counter_32k, NULL, }; diff --git a/arch/arm/plat-omap/include/plat/iommu.h b/arch/arm/plat-omap/include/plat/iommu.h index e58d571..44518cc 100644 --- a/arch/arm/plat-omap/include/plat/iommu.h +++ b/arch/arm/plat-omap/include/plat/iommu.h @@ -103,6 +103,19 @@ struct iommu_functions { ssize_t (*dump_ctx)(struct omap_iommu *obj, char *buf, ssize_t len); }; +/** + * omap_mmu_dev_attr - OMAP mmu device attributes for omap_hwmod + * @da_start: device address where the va space starts. + * @da_end: device address where the va space ends. + * @nr_tlb_entries: number of entries supported by the translation + * look-aside buffer (TLB). + */ +struct omap_mmu_dev_attr { + u32 da_start; + u32 da_end; + int nr_tlb_entries; +}; + struct iommu_platform_data { const char *name; const char *clk_name;