projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 066aa9c1 HD |
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 | ||
| 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 | ||
| a76e9a90 | 24 | static struct iommu_device devices[] = { |
| 066aa9c1 | 25 | { |
| a76e9a90 FC |
26 | .base = 0x480bd400, |
| 27 | .irq = 24, | |
| 28 | .pdata = { | |
| 29 | .name = "isp", | |
| 30 | .nr_tlb_entries = 8, | |
| 31 | .clk_name = "cam_ick", | |
| 32 | }, | |
| 066aa9c1 | 33 | }, |
| 5c651ffa | 34 | #if defined(CONFIG_MPU_BRIDGE_IOMMU) |
| 066aa9c1 | 35 | { |
| a76e9a90 FC |
36 | .base = 0x5d000000, |
| 37 | .irq = 28, | |
| 38 | .pdata = { | |
| 39 | .name = "iva2", | |
| 40 | .nr_tlb_entries = 32, | |
| 41 | .clk_name = "iva2_ck", | |
| 42 | }, | |
| 066aa9c1 | 43 | }, |
| 5c651ffa | 44 | #endif |
| 066aa9c1 | 45 | }; |
| a76e9a90 | 46 | #define NR_IOMMU_DEVICES ARRAY_SIZE(devices) |
| 066aa9c1 HD |
47 | |
| 48 | static struct platform_device *omap3_iommu_pdev[NR_IOMMU_DEVICES]; | |
| 49 | ||
| 50 | static int __init omap3_iommu_init(void) | |
| 51 | { | |
| 52 | int i, err; | |
| a76e9a90 FC |
53 | struct resource res[] = { |
| 54 | { .flags = IORESOURCE_MEM }, | |
| 55 | { .flags = IORESOURCE_IRQ }, | |
| 56 | }; | |
| 066aa9c1 HD |
57 | |
| 58 | for (i = 0; i < NR_IOMMU_DEVICES; i++) { | |
| 59 | struct platform_device *pdev; | |
| a76e9a90 | 60 | const struct iommu_device *d = &devices[i]; |
| 066aa9c1 HD |
61 | |
| 62 | pdev = platform_device_alloc("omap-iommu", i); | |
| 63 | if (!pdev) { | |
| 64 | err = -ENOMEM; | |
| 65 | goto err_out; | |
| 66 | } | |
| 67 | ||
| a76e9a90 FC |
68 | res[0].start = d->base; |
| 69 | res[0].end = d->base + MMU_REG_SIZE - 1; | |
| 70 | res[1].start = res[1].end = d->irq; | |
| 066aa9c1 HD |
71 | |
| 72 | err = platform_device_add_resources(pdev, res, | |
| 73 | ARRAY_SIZE(res)); | |
| 74 | if (err) | |
| 75 | goto err_out; | |
| a76e9a90 FC |
76 | err = platform_device_add_data(pdev, &d->pdata, |
| 77 | sizeof(d->pdata)); | |
| 066aa9c1 HD |
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"); |