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",
40 #if defined(CONFIG_OMAP_IOMMU_IVA2)
47 .clk_name = "iva2_ck",
48 .da_start = 0x11000000,
54 #define NR_OMAP3_IOMMU_DEVICES ARRAY_SIZE(omap3_devices)
55 static struct platform_device *omap3_iommu_pdev[NR_OMAP3_IOMMU_DEVICES];
57 #define omap3_devices NULL
58 #define NR_OMAP3_IOMMU_DEVICES 0
59 #define omap3_iommu_pdev NULL
62 #ifdef CONFIG_ARCH_OMAP4
63 static struct iommu_device omap4_devices[] = {
65 .base = OMAP4_MMU1_BASE,
66 .irq = OMAP44XX_IRQ_DUCATI_MMU,
70 .clk_name = "ducati_ick",
75 #if defined(CONFIG_MPU_TESLA_IOMMU)
77 .base = OMAP4_MMU2_BASE,
78 .irq = INT_44XX_DSP_MMU,
82 .clk_name = "tesla_ick",
89 #define NR_OMAP4_IOMMU_DEVICES ARRAY_SIZE(omap4_devices)
90 static struct platform_device *omap4_iommu_pdev[NR_OMAP4_IOMMU_DEVICES];
92 #define omap4_devices NULL
93 #define NR_OMAP4_IOMMU_DEVICES 0
94 #define omap4_iommu_pdev NULL
97 static struct platform_device **omap_iommu_pdev;
99 static int __init omap_iommu_init(void)
102 struct resource res[] = {
103 { .flags = IORESOURCE_MEM },
104 { .flags = IORESOURCE_IRQ },
107 if (cpu_is_omap34xx()) {
108 devices = omap3_devices;
109 omap_iommu_pdev = omap3_iommu_pdev;
110 num_iommu_devices = NR_OMAP3_IOMMU_DEVICES;
111 } else if (cpu_is_omap44xx()) {
112 devices = omap4_devices;
113 omap_iommu_pdev = omap4_iommu_pdev;
114 num_iommu_devices = NR_OMAP4_IOMMU_DEVICES;
118 for (i = 0; i < num_iommu_devices; i++) {
119 struct platform_device *pdev;
120 const struct iommu_device *d = &devices[i];
122 pdev = platform_device_alloc("omap-iommu", i);
128 res[0].start = d->base;
129 res[0].end = d->base + MMU_REG_SIZE - 1;
130 res[1].start = res[1].end = d->irq;
132 err = platform_device_add_resources(pdev, res,
136 err = platform_device_add_data(pdev, &d->pdata,
140 err = platform_device_add(pdev);
143 omap_iommu_pdev[i] = pdev;
149 platform_device_put(omap_iommu_pdev[i]);
152 module_init(omap_iommu_init);
154 static void __exit omap_iommu_exit(void)
158 for (i = 0; i < num_iommu_devices; i++)
159 platform_device_unregister(omap_iommu_pdev[i]);
161 module_exit(omap_iommu_exit);
163 MODULE_AUTHOR("Hiroshi DOYU");
164 MODULE_DESCRIPTION("omap iommu: omap device registration");
165 MODULE_LICENSE("GPL v2");