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author | Kanigeri, Hari <h-kanigeri2@ti.com> | 2010-04-22 23:26:08 (GMT) |
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committer | Hiroshi DOYU <Hiroshi.DOYU@nokia.com> | 2010-05-14 07:23:19 (GMT) |
commit | 44da397fadf19928838aaa58317a5827dd6c1ec6 (patch) | |
tree | a08d8779267a3359f1cdd0f65e9a96d5abe17345 /arch/arm/mach-omap2/omap-iommu.c | |
parent | b57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff) | |
download | linux-44da397fadf19928838aaa58317a5827dd6c1ec6.tar.xz |
omap iommu: renamed omap3-iommu to omap-iommu
This patch includes changes to omap3-iommu.c file to make it generic
for all OMAPs. Renamed omap3-iommu.c to omap-iommu.c
[Hiroshi DOYU: Remove unnecessary "iommu-y" in Makefile]
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Diffstat (limited to 'arch/arm/mach-omap2/omap-iommu.c')
-rw-r--r-- | arch/arm/mach-omap2/omap-iommu.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c new file mode 100644 index 0000000..416a65d --- /dev/null +++ b/arch/arm/mach-omap2/omap-iommu.c @@ -0,0 +1,108 @@ +/* + * 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"); |