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/module.h>
14 #include <linux/platform_device.h>
16 #include <plat/iommu.h>
24 struct iommu_platform_data pdata
;
25 struct resource res
[2];
27 static struct iommu_device
*devices
;
28 static int num_iommu_devices
;
30 #ifdef CONFIG_ARCH_OMAP3
31 static struct iommu_device omap3_devices
[] = {
34 .irq
= 24 + OMAP_INTC_START
,
38 .clk_name
= "cam_ick",
43 #if defined(CONFIG_OMAP_IOMMU_IVA2)
46 .irq
= 28 + OMAP_INTC_START
,
50 .clk_name
= "iva2_ck",
51 .da_start
= 0x11000000,
57 #define NR_OMAP3_IOMMU_DEVICES ARRAY_SIZE(omap3_devices)
58 static struct platform_device
*omap3_iommu_pdev
[NR_OMAP3_IOMMU_DEVICES
];
60 #define omap3_devices NULL
61 #define NR_OMAP3_IOMMU_DEVICES 0
62 #define omap3_iommu_pdev NULL
65 #ifdef CONFIG_ARCH_OMAP4
66 static struct iommu_device omap4_devices
[] = {
68 .base
= OMAP4_MMU1_BASE
,
69 .irq
= 100 + OMAP44XX_IRQ_GIC_START
,
73 .clk_name
= "ipu_fck",
79 .base
= OMAP4_MMU2_BASE
,
80 .irq
= 28 + OMAP44XX_IRQ_GIC_START
,
84 .clk_name
= "dsp_fck",
90 #define NR_OMAP4_IOMMU_DEVICES ARRAY_SIZE(omap4_devices)
91 static struct platform_device
*omap4_iommu_pdev
[NR_OMAP4_IOMMU_DEVICES
];
93 #define omap4_devices NULL
94 #define NR_OMAP4_IOMMU_DEVICES 0
95 #define omap4_iommu_pdev NULL
98 static struct platform_device
**omap_iommu_pdev
;
100 static int __init
omap_iommu_init(void)
103 struct resource res
[] = {
104 { .flags
= IORESOURCE_MEM
},
105 { .flags
= IORESOURCE_IRQ
},
108 if (cpu_is_omap34xx()) {
109 devices
= omap3_devices
;
110 omap_iommu_pdev
= omap3_iommu_pdev
;
111 num_iommu_devices
= NR_OMAP3_IOMMU_DEVICES
;
112 } else if (cpu_is_omap44xx()) {
113 devices
= omap4_devices
;
114 omap_iommu_pdev
= omap4_iommu_pdev
;
115 num_iommu_devices
= NR_OMAP4_IOMMU_DEVICES
;
119 for (i
= 0; i
< num_iommu_devices
; i
++) {
120 struct platform_device
*pdev
;
121 const struct iommu_device
*d
= &devices
[i
];
123 pdev
= platform_device_alloc("omap-iommu", i
);
129 res
[0].start
= d
->base
;
130 res
[0].end
= d
->base
+ MMU_REG_SIZE
- 1;
131 res
[1].start
= res
[1].end
= d
->irq
;
133 err
= platform_device_add_resources(pdev
, res
,
137 err
= platform_device_add_data(pdev
, &d
->pdata
,
141 err
= platform_device_add(pdev
);
144 omap_iommu_pdev
[i
] = pdev
;
150 platform_device_put(omap_iommu_pdev
[i
]);
153 /* must be ready before omap3isp is probed */
154 subsys_initcall(omap_iommu_init
);
156 static void __exit
omap_iommu_exit(void)
160 for (i
= 0; i
< num_iommu_devices
; i
++)
161 platform_device_unregister(omap_iommu_pdev
[i
]);
163 module_exit(omap_iommu_exit
);
165 MODULE_AUTHOR("Hiroshi DOYU");
166 MODULE_DESCRIPTION("omap iommu: omap device registration");
167 MODULE_LICENSE("GPL v2");