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Hiroshi DOYU066aa9c2009-01-28 21:32:04 +02001/*
Kanigeri, Hari44da3972010-04-22 23:26:08 +00002 * omap iommu: omap device registration
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +02003 *
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
Tony Lindgrence491cf2009-10-20 09:40:47 -070015#include <plat/iommu.h>
Kanigeri, Harif779f922010-04-22 23:26:09 +000016#include <plat/irqs.h>
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020017
Felipe Contrerasa76e9a92009-11-22 10:11:04 -080018struct iommu_device {
19 resource_size_t base;
20 int irq;
21 struct iommu_platform_data pdata;
22 struct resource res[2];
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020023};
Kanigeri, Harif779f922010-04-22 23:26:09 +000024static struct iommu_device *devices;
25static int num_iommu_devices;
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020026
Kanigeri, Hari44da3972010-04-22 23:26:08 +000027#ifdef CONFIG_ARCH_OMAP3
Kanigeri, Harif779f922010-04-22 23:26:09 +000028static struct iommu_device omap3_devices[] = {
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020029 {
Felipe Contrerasa76e9a92009-11-22 10:11:04 -080030 .base = 0x480bd400,
31 .irq = 24,
32 .pdata = {
33 .name = "isp",
34 .nr_tlb_entries = 8,
35 .clk_name = "cam_ick",
Guzman Lugo, Fernandoc7f4ab22010-12-15 00:54:03 +000036 .da_start = 0x0,
37 .da_end = 0xFFFFF000,
Felipe Contrerasa76e9a92009-11-22 10:11:04 -080038 },
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020039 },
Felipe Contreras1cd25df2010-10-11 09:53:49 +000040#if defined(CONFIG_OMAP_IOMMU_IVA2)
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020041 {
Felipe Contrerasa76e9a92009-11-22 10:11:04 -080042 .base = 0x5d000000,
43 .irq = 28,
44 .pdata = {
45 .name = "iva2",
46 .nr_tlb_entries = 32,
47 .clk_name = "iva2_ck",
Guzman Lugo, Fernandoc7f4ab22010-12-15 00:54:03 +000048 .da_start = 0x11000000,
49 .da_end = 0xFFFFF000,
Felipe Contrerasa76e9a92009-11-22 10:11:04 -080050 },
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020051 },
Hiroshi DOYU5c651ff2009-05-19 09:07:55 +030052#endif
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020053};
Kanigeri, Harif779f922010-04-22 23:26:09 +000054#define NR_OMAP3_IOMMU_DEVICES ARRAY_SIZE(omap3_devices)
55static struct platform_device *omap3_iommu_pdev[NR_OMAP3_IOMMU_DEVICES];
56#else
57#define omap3_devices NULL
58#define NR_OMAP3_IOMMU_DEVICES 0
59#define omap3_iommu_pdev NULL
Kanigeri, Hari44da3972010-04-22 23:26:08 +000060#endif
61
Kanigeri, Harif779f922010-04-22 23:26:09 +000062#ifdef CONFIG_ARCH_OMAP4
63static struct iommu_device omap4_devices[] = {
64 {
65 .base = OMAP4_MMU1_BASE,
Kanigeri, Hari1fd7f462010-05-14 22:55:41 +000066 .irq = OMAP44XX_IRQ_DUCATI_MMU,
Kanigeri, Harif779f922010-04-22 23:26:09 +000067 .pdata = {
68 .name = "ducati",
69 .nr_tlb_entries = 32,
Ohad Ben-Cohenfee17d42011-06-15 16:02:50 +030070 .clk_name = "ipu_fck",
Guzman Lugo, Fernandoc7f4ab22010-12-15 00:54:03 +000071 .da_start = 0x0,
72 .da_end = 0xFFFFF000,
Kanigeri, Harif779f922010-04-22 23:26:09 +000073 },
74 },
75#if defined(CONFIG_MPU_TESLA_IOMMU)
76 {
77 .base = OMAP4_MMU2_BASE,
78 .irq = INT_44XX_DSP_MMU,
79 .pdata = {
80 .name = "tesla",
81 .nr_tlb_entries = 32,
82 .clk_name = "tesla_ick",
Guzman Lugo, Fernandoc7f4ab22010-12-15 00:54:03 +000083 .da_start = 0x0,
84 .da_end = 0xFFFFF000,
Kanigeri, Harif779f922010-04-22 23:26:09 +000085 },
86 },
87#endif
88};
89#define NR_OMAP4_IOMMU_DEVICES ARRAY_SIZE(omap4_devices)
90static struct platform_device *omap4_iommu_pdev[NR_OMAP4_IOMMU_DEVICES];
91#else
92#define omap4_devices NULL
93#define NR_OMAP4_IOMMU_DEVICES 0
94#define omap4_iommu_pdev NULL
95#endif
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020096
Kanigeri, Harif779f922010-04-22 23:26:09 +000097static struct platform_device **omap_iommu_pdev;
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +020098
Kanigeri, Hari44da3972010-04-22 23:26:08 +000099static int __init omap_iommu_init(void)
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200100{
101 int i, err;
Felipe Contrerasa76e9a92009-11-22 10:11:04 -0800102 struct resource res[] = {
103 { .flags = IORESOURCE_MEM },
104 { .flags = IORESOURCE_IRQ },
105 };
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200106
Kanigeri, Harif779f922010-04-22 23:26:09 +0000107 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;
115 } else
116 return -ENODEV;
117
118 for (i = 0; i < num_iommu_devices; i++) {
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200119 struct platform_device *pdev;
Felipe Contrerasa76e9a92009-11-22 10:11:04 -0800120 const struct iommu_device *d = &devices[i];
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200121
122 pdev = platform_device_alloc("omap-iommu", i);
123 if (!pdev) {
124 err = -ENOMEM;
125 goto err_out;
126 }
127
Felipe Contrerasa76e9a92009-11-22 10:11:04 -0800128 res[0].start = d->base;
129 res[0].end = d->base + MMU_REG_SIZE - 1;
130 res[1].start = res[1].end = d->irq;
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200131
132 err = platform_device_add_resources(pdev, res,
133 ARRAY_SIZE(res));
134 if (err)
135 goto err_out;
Felipe Contrerasa76e9a92009-11-22 10:11:04 -0800136 err = platform_device_add_data(pdev, &d->pdata,
137 sizeof(d->pdata));
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200138 if (err)
139 goto err_out;
140 err = platform_device_add(pdev);
141 if (err)
142 goto err_out;
Kanigeri, Hari44da3972010-04-22 23:26:08 +0000143 omap_iommu_pdev[i] = pdev;
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200144 }
145 return 0;
146
147err_out:
148 while (i--)
Kanigeri, Hari44da3972010-04-22 23:26:08 +0000149 platform_device_put(omap_iommu_pdev[i]);
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200150 return err;
151}
Kanigeri, Hari44da3972010-04-22 23:26:08 +0000152module_init(omap_iommu_init);
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200153
Kanigeri, Hari44da3972010-04-22 23:26:08 +0000154static void __exit omap_iommu_exit(void)
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200155{
156 int i;
157
Kanigeri, Harif779f922010-04-22 23:26:09 +0000158 for (i = 0; i < num_iommu_devices; i++)
Kanigeri, Hari44da3972010-04-22 23:26:08 +0000159 platform_device_unregister(omap_iommu_pdev[i]);
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200160}
Kanigeri, Hari44da3972010-04-22 23:26:08 +0000161module_exit(omap_iommu_exit);
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200162
163MODULE_AUTHOR("Hiroshi DOYU");
Kanigeri, Hari44da3972010-04-22 23:26:08 +0000164MODULE_DESCRIPTION("omap iommu: omap device registration");
Hiroshi DOYU066aa9c2009-01-28 21:32:04 +0200165MODULE_LICENSE("GPL v2");