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");