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/*
* omap iommu: omap device registration
*
* Copyright (C) 2008-2009 Nokia Corporation
*
* Written by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <plat/iommu.h>
struct iommu_device {
resource_size_t base;
int irq;
struct iommu_platform_data pdata;
struct resource res[2];
};
#ifdef CONFIG_ARCH_OMAP3
static struct iommu_device devices[] = {
{
.base = 0x480bd400,
.irq = 24,
.pdata = {
.name = "isp",
.nr_tlb_entries = 8,
.clk_name = "cam_ick",
},
},
#if defined(CONFIG_MPU_BRIDGE_IOMMU)
{
.base = 0x5d000000,
.irq = 28,
.pdata = {
.name = "iva2",
.nr_tlb_entries = 32,
.clk_name = "iva2_ck",
},
},
#endif
};
#endif
#define NR_IOMMU_DEVICES ARRAY_SIZE(devices)
static struct platform_device *omap_iommu_pdev[NR_IOMMU_DEVICES];
static int __init omap_iommu_init(void)
{
int i, err;
struct resource res[] = {
{ .flags = IORESOURCE_MEM },
{ .flags = IORESOURCE_IRQ },
};
for (i = 0; i < NR_IOMMU_DEVICES; i++) {
struct platform_device *pdev;
const struct iommu_device *d = &devices[i];
pdev = platform_device_alloc("omap-iommu", i);
if (!pdev) {
err = -ENOMEM;
goto err_out;
}
res[0].start = d->base;
res[0].end = d->base + MMU_REG_SIZE - 1;
res[1].start = res[1].end = d->irq;
err = platform_device_add_resources(pdev, res,
ARRAY_SIZE(res));
if (err)
goto err_out;
err = platform_device_add_data(pdev, &d->pdata,
sizeof(d->pdata));
if (err)
goto err_out;
err = platform_device_add(pdev);
if (err)
goto err_out;
omap_iommu_pdev[i] = pdev;
}
return 0;
err_out:
while (i--)
platform_device_put(omap_iommu_pdev[i]);
return err;
}
module_init(omap_iommu_init);
static void __exit omap_iommu_exit(void)
{
int i;
for (i = 0; i < NR_IOMMU_DEVICES; i++)
platform_device_unregister(omap_iommu_pdev[i]);
}
module_exit(omap_iommu_exit);
MODULE_AUTHOR("Hiroshi DOYU");
MODULE_DESCRIPTION("omap iommu: omap device registration");
MODULE_LICENSE("GPL v2");
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