projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 066aa9c1 | 1 | /* |
| 44da397f | 2 | * omap iommu: omap device registration |
| 066aa9c1 HD |
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 | ||
| ce491cf8 | 15 | #include <plat/iommu.h> |
| 066aa9c1 | 16 | |
| a76e9a90 FC |
17 | struct iommu_device { |
| 18 | resource_size_t base; | |
| 19 | int irq; | |
| 20 | struct iommu_platform_data pdata; | |
| 21 | struct resource res[2]; | |
| 066aa9c1 HD |
22 | }; |
| 23 | ||
| 44da397f | 24 | #ifdef CONFIG_ARCH_OMAP3 |
| a76e9a90 | 25 | static struct iommu_device devices[] = { |
| 066aa9c1 | 26 | { |
| a76e9a90 FC |
27 | .base = 0x480bd400, |
| 28 | .irq = 24, | |
| 29 | .pdata = { | |
| 30 | .name = "isp", | |
| 31 | .nr_tlb_entries = 8, | |
| 32 | .clk_name = "cam_ick", | |
| 33 | }, | |
| 066aa9c1 | 34 | }, |
| 5c651ffa | 35 | #if defined(CONFIG_MPU_BRIDGE_IOMMU) |
| 066aa9c1 | 36 | { |
| a76e9a90 FC |
37 | .base = 0x5d000000, |
| 38 | .irq = 28, | |
| 39 | .pdata = { | |
| 40 | .name = "iva2", | |
| 41 | .nr_tlb_entries = 32, | |
| 42 | .clk_name = "iva2_ck", | |
| 43 | }, | |
| 066aa9c1 | 44 | }, |
| 5c651ffa | 45 | #endif |
| 066aa9c1 | 46 | }; |
| 44da397f KH |
47 | #endif |
| 48 | ||
| a76e9a90 | 49 | #define NR_IOMMU_DEVICES ARRAY_SIZE(devices) |
| 066aa9c1 | 50 | |
| 44da397f | 51 | static struct platform_device *omap_iommu_pdev[NR_IOMMU_DEVICES]; |
| 066aa9c1 | 52 | |
| 44da397f | 53 | static int __init omap_iommu_init(void) |
| 066aa9c1 HD |
54 | { |
| 55 | int i, err; | |
| a76e9a90 FC |
56 | struct resource res[] = { |
| 57 | { .flags = IORESOURCE_MEM }, | |
| 58 | { .flags = IORESOURCE_IRQ }, | |
| 59 | }; | |
| 066aa9c1 HD |
60 | |
| 61 | for (i = 0; i < NR_IOMMU_DEVICES; i++) { | |
| 62 | struct platform_device *pdev; | |
| a76e9a90 | 63 | const struct iommu_device *d = &devices[i]; |
| 066aa9c1 HD |
64 | |
| 65 | pdev = platform_device_alloc("omap-iommu", i); | |
| 66 | if (!pdev) { | |
| 67 | err = -ENOMEM; | |
| 68 | goto err_out; | |
| 69 | } | |
| 70 | ||
| a76e9a90 FC |
71 | res[0].start = d->base; |
| 72 | res[0].end = d->base + MMU_REG_SIZE - 1; | |
| 73 | res[1].start = res[1].end = d->irq; | |
| 066aa9c1 HD |
74 | |
| 75 | err = platform_device_add_resources(pdev, res, | |
| 76 | ARRAY_SIZE(res)); | |
| 77 | if (err) | |
| 78 | goto err_out; | |
| a76e9a90 FC |
79 | err = platform_device_add_data(pdev, &d->pdata, |
| 80 | sizeof(d->pdata)); | |
| 066aa9c1 HD |
81 | if (err) |
| 82 | goto err_out; | |
| 83 | err = platform_device_add(pdev); | |
| 84 | if (err) | |
| 85 | goto err_out; | |
| 44da397f | 86 | omap_iommu_pdev[i] = pdev; |
| 066aa9c1 HD |
87 | } |
| 88 | return 0; | |
| 89 | ||
| 90 | err_out: | |
| 91 | while (i--) | |
| 44da397f | 92 | platform_device_put(omap_iommu_pdev[i]); |
| 066aa9c1 HD |
93 | return err; |
| 94 | } | |
| 44da397f | 95 | module_init(omap_iommu_init); |
| 066aa9c1 | 96 | |
| 44da397f | 97 | static void __exit omap_iommu_exit(void) |
| 066aa9c1 HD |
98 | { |
| 99 | int i; | |
| 100 | ||
| 101 | for (i = 0; i < NR_IOMMU_DEVICES; i++) | |
| 44da397f | 102 | platform_device_unregister(omap_iommu_pdev[i]); |
| 066aa9c1 | 103 | } |
| 44da397f | 104 | module_exit(omap_iommu_exit); |
| 066aa9c1 HD |
105 | |
| 106 | MODULE_AUTHOR("Hiroshi DOYU"); | |
| 44da397f | 107 | MODULE_DESCRIPTION("omap iommu: omap device registration"); |
| 066aa9c1 | 108 | MODULE_LICENSE("GPL v2"); |