diff options
Diffstat (limited to 'meta/recipes-kernel/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch')
| -rw-r--r-- | meta/recipes-kernel/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/meta/recipes-kernel/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch b/meta/recipes-kernel/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch new file mode 100644 index 0000000000..2954c47872 --- /dev/null +++ b/meta/recipes-kernel/linux/linux-omap-2.6.29/isp/iommu/0003-omap-iommu-omap3-iommu-device-registration.patch @@ -0,0 +1,124 @@ +From 6a84082597dd322713c5d5951530e3eecb878ad4 Mon Sep 17 00:00:00 2001 +From: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> +Date: Wed, 28 Jan 2009 21:32:04 +0200 +Subject: [PATCH] omap iommu: omap3 iommu device registration + +Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com> +--- + arch/arm/mach-omap2/omap3-iommu.c | 104 +++++++++++++++++++++++++++++++++++++ + 1 files changed, 104 insertions(+), 0 deletions(-) + create mode 100644 arch/arm/mach-omap2/omap3-iommu.c + +diff --git a/arch/arm/mach-omap2/omap3-iommu.c b/arch/arm/mach-omap2/omap3-iommu.c +new file mode 100644 +index 0000000..97481cc +--- /dev/null ++++ b/arch/arm/mach-omap2/omap3-iommu.c +@@ -0,0 +1,104 @@ ++/* ++ * omap iommu: omap3 device registration ++ * ++ * Copyright (C) 2008-2009 Nokia Corporation ++ * ++ * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> ++ * ++ * 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. ++ */ ++ ++#include <linux/platform_device.h> ++#include <linux/io.h> ++ ++#include <mach/iommu.h> ++ ++#define OMAP3_MMU1_BASE 0x480bd400 ++#define OMAP3_MMU2_BASE 0x5d000000 ++#define OMAP3_MMU1_IRQ 24 ++#define OMAP3_MMU2_IRQ 28 ++ ++static struct resource omap3_iommu_res[] = { ++ { /* Camera ISP MMU */ ++ .start = OMAP3_MMU1_BASE, ++ .end = OMAP3_MMU1_BASE + MMU_REG_SIZE - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = OMAP3_MMU1_IRQ, ++ .flags = IORESOURCE_IRQ, ++ }, ++ { /* IVA2.2 MMU */ ++ .start = OMAP3_MMU2_BASE, ++ .end = OMAP3_MMU2_BASE + MMU_REG_SIZE - 1, ++ .flags = IORESOURCE_MEM, ++ }, ++ { ++ .start = OMAP3_MMU2_IRQ, ++ .flags = IORESOURCE_IRQ, ++ }, ++}; ++#define NR_IOMMU_RES (ARRAY_SIZE(omap3_iommu_res) / 2) ++ ++static const struct iommu_platform_data omap3_iommu_pdata[] __initconst = { ++ { ++ .name = "isp", ++ .nr_tlb_entries = 8, ++ .clk_name = "cam_ick", ++ }, ++ { ++ .name = "iva2", ++ .nr_tlb_entries = 32, ++ .clk_name = "iva2_ck", ++ }, ++}; ++#define NR_IOMMU_DEVICES ARRAY_SIZE(omap3_iommu_pdata) ++ ++static struct platform_device *omap3_iommu_pdev[NR_IOMMU_DEVICES]; ++ ++static int __init omap3_iommu_init(void) ++{ ++ int i, err; ++ ++ for (i = 0; i < NR_IOMMU_DEVICES; i++) { ++ struct platform_device *pdev; ++ ++ pdev = platform_device_alloc("omap-iommu", i + 1); ++ if (!pdev) ++ goto err_out; ++ err = platform_device_add_resources(pdev, ++ &omap3_iommu_res[2 * i], NR_IOMMU_RES); ++ if (err) ++ goto err_out; ++ err = platform_device_add_data(pdev, &omap3_iommu_pdata[i], ++ sizeof(omap3_iommu_pdata[0])); ++ if (err) ++ goto err_out; ++ err = platform_device_add(pdev); ++ if (err) ++ goto err_out; ++ omap3_iommu_pdev[i] = pdev; ++ } ++ return 0; ++ ++err_out: ++ while (i--) ++ platform_device_put(omap3_iommu_pdev[i]); ++ return err; ++} ++module_init(omap3_iommu_init); ++ ++static void __exit omap3_iommu_exit(void) ++{ ++ int i; ++ ++ for (i = 0; i < NR_IOMMU_DEVICES; i++) ++ platform_device_unregister(omap3_iommu_pdev[i]); ++} ++module_exit(omap3_iommu_exit); ++ ++MODULE_AUTHOR("Hiroshi DOYU"); ++MODULE_DESCRIPTION("omap iommu: omap3 device registration"); ++MODULE_LICENSE("GPL v2"); +-- +1.5.6.5 + |