| Hiroshi DOYU | 066aa9c | 2009-01-28 21:32:04 +0200 | [diff] [blame] | 1 | /* |
| 2 | * omap iommu: omap3 device registration |
| 3 | * |
| 4 | * Copyright (C) 2008-2009 Nokia Corporation |
| 5 | * |
| 6 | * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/platform_device.h> |
| 14 | |
| 15 | #include <mach/iommu.h> |
| 16 | |
| 17 | #define OMAP3_MMU1_BASE 0x480bd400 |
| 18 | #define OMAP3_MMU2_BASE 0x5d000000 |
| 19 | #define OMAP3_MMU1_IRQ 24 |
| 20 | #define OMAP3_MMU2_IRQ 28 |
| 21 | |
| 22 | |
| 23 | static unsigned long iommu_base[] __initdata = { |
| 24 | OMAP3_MMU1_BASE, |
| 25 | OMAP3_MMU2_BASE, |
| 26 | }; |
| 27 | |
| 28 | static int iommu_irq[] __initdata = { |
| 29 | OMAP3_MMU1_IRQ, |
| 30 | OMAP3_MMU2_IRQ, |
| 31 | }; |
| 32 | |
| 33 | static const struct iommu_platform_data omap3_iommu_pdata[] __initconst = { |
| 34 | { |
| 35 | .name = "isp", |
| 36 | .nr_tlb_entries = 8, |
| 37 | .clk_name = "cam_ick", |
| 38 | }, |
| Hiroshi DOYU | 5c651ff | 2009-05-19 09:07:55 +0300 | [diff] [blame^] | 39 | #if defined(CONFIG_MPU_BRIDGE_IOMMU) |
| Hiroshi DOYU | 066aa9c | 2009-01-28 21:32:04 +0200 | [diff] [blame] | 40 | { |
| 41 | .name = "iva2", |
| 42 | .nr_tlb_entries = 32, |
| 43 | .clk_name = "iva2_ck", |
| 44 | }, |
| Hiroshi DOYU | 5c651ff | 2009-05-19 09:07:55 +0300 | [diff] [blame^] | 45 | #endif |
| Hiroshi DOYU | 066aa9c | 2009-01-28 21:32:04 +0200 | [diff] [blame] | 46 | }; |
| 47 | #define NR_IOMMU_DEVICES ARRAY_SIZE(omap3_iommu_pdata) |
| 48 | |
| 49 | static struct platform_device *omap3_iommu_pdev[NR_IOMMU_DEVICES]; |
| 50 | |
| 51 | static int __init omap3_iommu_init(void) |
| 52 | { |
| 53 | int i, err; |
| 54 | |
| 55 | for (i = 0; i < NR_IOMMU_DEVICES; i++) { |
| 56 | struct platform_device *pdev; |
| 57 | struct resource res[2]; |
| 58 | |
| 59 | pdev = platform_device_alloc("omap-iommu", i); |
| 60 | if (!pdev) { |
| 61 | err = -ENOMEM; |
| 62 | goto err_out; |
| 63 | } |
| 64 | |
| 65 | memset(res, 0, sizeof(res)); |
| 66 | res[0].start = iommu_base[i]; |
| 67 | res[0].end = iommu_base[i] + MMU_REG_SIZE - 1; |
| 68 | res[0].flags = IORESOURCE_MEM; |
| 69 | res[1].start = res[1].end = iommu_irq[i]; |
| 70 | res[1].flags = IORESOURCE_IRQ; |
| 71 | |
| 72 | err = platform_device_add_resources(pdev, res, |
| 73 | ARRAY_SIZE(res)); |
| 74 | if (err) |
| 75 | goto err_out; |
| 76 | err = platform_device_add_data(pdev, &omap3_iommu_pdata[i], |
| 77 | sizeof(omap3_iommu_pdata[0])); |
| 78 | if (err) |
| 79 | goto err_out; |
| 80 | err = platform_device_add(pdev); |
| 81 | if (err) |
| 82 | goto err_out; |
| 83 | omap3_iommu_pdev[i] = pdev; |
| 84 | } |
| 85 | return 0; |
| 86 | |
| 87 | err_out: |
| 88 | while (i--) |
| 89 | platform_device_put(omap3_iommu_pdev[i]); |
| 90 | return err; |
| 91 | } |
| 92 | module_init(omap3_iommu_init); |
| 93 | |
| 94 | static void __exit omap3_iommu_exit(void) |
| 95 | { |
| 96 | int i; |
| 97 | |
| 98 | for (i = 0; i < NR_IOMMU_DEVICES; i++) |
| 99 | platform_device_unregister(omap3_iommu_pdev[i]); |
| 100 | } |
| 101 | module_exit(omap3_iommu_exit); |
| 102 | |
| 103 | MODULE_AUTHOR("Hiroshi DOYU"); |
| 104 | MODULE_DESCRIPTION("omap iommu: omap3 device registration"); |
| 105 | MODULE_LICENSE("GPL v2"); |