From patchwork Thu Apr 22 23:26:09 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Kanigeri, Hari" X-Patchwork-Id: 94555 X-Patchwork-Delegate: hiroshi.doyu@nokia.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o3MN8Mbf021911 for ; Thu, 22 Apr 2010 23:08:31 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753791Ab0DVXIW (ORCPT ); Thu, 22 Apr 2010 19:08:22 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:35269 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753773Ab0DVXIV (ORCPT ); Thu, 22 Apr 2010 19:08:21 -0400 Received: from dlep33.itg.ti.com ([157.170.170.112]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id o3MN8KdB017184 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Thu, 22 Apr 2010 18:08:20 -0500 Received: from legion.dal.design.ti.com (localhost [127.0.0.1]) by dlep33.itg.ti.com (8.13.7/8.13.7) with ESMTP id o3MN8Jbi013453; Thu, 22 Apr 2010 18:08:20 -0500 (CDT) Received: from localhost (matrix.am.dhcp.ti.com [128.247.75.166]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id o3MN8JZ20605; Thu, 22 Apr 2010 18:08:19 -0500 (CDT) From: Hari Kanigeri To: "linux-omap Tony Lindgren Hiroshi Doyu" Cc: Hari Kanigeri Subject: [PATCH 2/4][v4] OMAP:iommu support for OMAP4 Date: Thu, 22 Apr 2010 18:26:09 -0500 Message-Id: <1271978771-26889-3-git-send-email-h-kanigeri2@ti.com> X-Mailer: git-send-email 1.7.0 In-Reply-To: <1271978771-26889-1-git-send-email-h-kanigeri2@ti.com> References: <1271978771-26889-1-git-send-email-h-kanigeri2@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Thu, 22 Apr 2010 23:08:33 +0000 (UTC) diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c index 416a65d..eb9bee7 100644 --- a/arch/arm/mach-omap2/omap-iommu.c +++ b/arch/arm/mach-omap2/omap-iommu.c @@ -13,6 +13,7 @@ #include #include +#include struct iommu_device { resource_size_t base; @@ -20,9 +21,11 @@ struct iommu_device { struct iommu_platform_data pdata; struct resource res[2]; }; +static struct iommu_device *devices; +static int num_iommu_devices; #ifdef CONFIG_ARCH_OMAP3 -static struct iommu_device devices[] = { +static struct iommu_device omap3_devices[] = { { .base = 0x480bd400, .irq = 24, @@ -44,11 +47,46 @@ static struct iommu_device devices[] = { }, #endif }; +#define NR_OMAP3_IOMMU_DEVICES ARRAY_SIZE(omap3_devices) +static struct platform_device *omap3_iommu_pdev[NR_OMAP3_IOMMU_DEVICES]; +#else +#define omap3_devices NULL +#define NR_OMAP3_IOMMU_DEVICES 0 +#define omap3_iommu_pdev NULL #endif -#define NR_IOMMU_DEVICES ARRAY_SIZE(devices) +#ifdef CONFIG_ARCH_OMAP4 +static struct iommu_device omap4_devices[] = { + { + .base = OMAP4_MMU1_BASE, + .irq = INT_44XX_DUCATI_MMU_IRQ, + .pdata = { + .name = "ducati", + .nr_tlb_entries = 32, + .clk_name = "ducati_ick", + }, + }, +#if defined(CONFIG_MPU_TESLA_IOMMU) + { + .base = OMAP4_MMU2_BASE, + .irq = INT_44XX_DSP_MMU, + .pdata = { + .name = "tesla", + .nr_tlb_entries = 32, + .clk_name = "tesla_ick", + }, + }, +#endif +}; +#define NR_OMAP4_IOMMU_DEVICES ARRAY_SIZE(omap4_devices) +static struct platform_device *omap4_iommu_pdev[NR_OMAP4_IOMMU_DEVICES]; +#else +#define omap4_devices NULL +#define NR_OMAP4_IOMMU_DEVICES 0 +#define omap4_iommu_pdev NULL +#endif -static struct platform_device *omap_iommu_pdev[NR_IOMMU_DEVICES]; +static struct platform_device **omap_iommu_pdev; static int __init omap_iommu_init(void) { @@ -58,7 +96,18 @@ static int __init omap_iommu_init(void) { .flags = IORESOURCE_IRQ }, }; - for (i = 0; i < NR_IOMMU_DEVICES; i++) { + if (cpu_is_omap34xx()) { + devices = omap3_devices; + omap_iommu_pdev = omap3_iommu_pdev; + num_iommu_devices = NR_OMAP3_IOMMU_DEVICES; + } else if (cpu_is_omap44xx()) { + devices = omap4_devices; + omap_iommu_pdev = omap4_iommu_pdev; + num_iommu_devices = NR_OMAP4_IOMMU_DEVICES; + } else + return -ENODEV; + + for (i = 0; i < num_iommu_devices; i++) { struct platform_device *pdev; const struct iommu_device *d = &devices[i]; @@ -98,7 +147,7 @@ static void __exit omap_iommu_exit(void) { int i; - for (i = 0; i < NR_IOMMU_DEVICES; i++) + for (i = 0; i < num_iommu_devices; i++) platform_device_unregister(omap_iommu_pdev[i]); } module_exit(omap_iommu_exit); diff --git a/arch/arm/plat-omap/include/plat/omap44xx.h b/arch/arm/plat-omap/include/plat/omap44xx.h index 9cb1e9d..1b5b786 100644 --- a/arch/arm/plat-omap/include/plat/omap44xx.h +++ b/arch/arm/plat-omap/include/plat/omap44xx.h @@ -47,5 +47,8 @@ #define OMAP44XX_MAILBOX_BASE (L4_44XX_BASE + 0xF4000) #define OMAP44XX_HSUSB_OTG_BASE (L4_44XX_BASE + 0xAB000) +#define OMAP4_MMU1_BASE 0x55082000 +#define OMAP4_MMU2_BASE 0x4A066000 + #endif /* __ASM_ARCH_OMAP44XX_H */