2 * omap iommu: omap device registration
4 * Copyright (C) 2008-2009 Nokia Corporation
6 * Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
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.
13 #include <linux/platform_device.h>
15 #include <plat/iommu.h>
16 #include <plat/irqs.h>
21 struct iommu_platform_data pdata;
22 struct resource res[2];
24 static struct iommu_device *devices;
25 static int num_iommu_devices;
27 #ifdef CONFIG_ARCH_OMAP3
28 static struct iommu_device omap3_devices[] = {
35 .clk_name = "cam_ick",
38 #if defined(CONFIG_MPU_BRIDGE_IOMMU)
45 .clk_name = "iva2_ck",
50 #define NR_OMAP3_IOMMU_DEVICES ARRAY_SIZE(omap3_devices)
51 static struct platform_device *omap3_iommu_pdev[NR_OMAP3_IOMMU_DEVICES];
53 #define omap3_devices NULL
54 #define NR_OMAP3_IOMMU_DEVICES 0
55 #define omap3_iommu_pdev NULL
58 #ifdef CONFIG_ARCH_OMAP4
59 static struct iommu_device omap4_devices[] = {
61 .base = OMAP4_MMU1_BASE,
62 .irq = OMAP44XX_IRQ_DUCATI_MMU,
66 .clk_name = "ducati_ick",
69 #if defined(CONFIG_MPU_TESLA_IOMMU)
71 .base = OMAP4_MMU2_BASE,
72 .irq = INT_44XX_DSP_MMU,
76 .clk_name = "tesla_ick",
81 #define NR_OMAP4_IOMMU_DEVICES ARRAY_SIZE(omap4_devices)
82 static struct platform_device *omap4_iommu_pdev[NR_OMAP4_IOMMU_DEVICES];
84 #define omap4_devices NULL
85 #define NR_OMAP4_IOMMU_DEVICES 0
86 #define omap4_iommu_pdev NULL
89 static struct platform_device **omap_iommu_pdev;
91 static int __init omap_iommu_init(void)
94 struct resource res[] = {
95 { .flags = IORESOURCE_MEM },
96 { .flags = IORESOURCE_IRQ },
99 if (cpu_is_omap34xx()) {
100 devices = omap3_devices;
101 omap_iommu_pdev = omap3_iommu_pdev;
102 num_iommu_devices = NR_OMAP3_IOMMU_DEVICES;
103 } else if (cpu_is_omap44xx()) {
104 devices = omap4_devices;
105 omap_iommu_pdev = omap4_iommu_pdev;
106 num_iommu_devices = NR_OMAP4_IOMMU_DEVICES;
110 for (i = 0; i < num_iommu_devices; i++) {
111 struct platform_device *pdev;
112 const struct iommu_device *d = &devices[i];
114 pdev = platform_device_alloc("omap-iommu", i);
120 res[0].start = d->base;
121 res[0].end = d->base + MMU_REG_SIZE - 1;
122 res[1].start = res[1].end = d->irq;
124 err = platform_device_add_resources(pdev, res,
128 err = platform_device_add_data(pdev, &d->pdata,
132 err = platform_device_add(pdev);
135 omap_iommu_pdev[i] = pdev;
141 platform_device_put(omap_iommu_pdev[i]);
144 module_init(omap_iommu_init);
146 static void __exit omap_iommu_exit(void)
150 for (i = 0; i < num_iommu_devices; i++)
151 platform_device_unregister(omap_iommu_pdev[i]);
153 module_exit(omap_iommu_exit);
155 MODULE_AUTHOR("Hiroshi DOYU");
156 MODULE_DESCRIPTION("omap iommu: omap device registration");
157 MODULE_LICENSE("GPL v2");