| /* |
| * 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/of.h> |
| #include <linux/platform_device.h> |
| #include <linux/err.h> |
| #include <linux/slab.h> |
| |
| #include <linux/platform_data/iommu-omap.h> |
| #include "soc.h" |
| #include "omap_hwmod.h" |
| #include "omap_device.h" |
| |
| static int __init omap_iommu_dev_init(struct omap_hwmod *oh, void *unused) |
| { |
| struct platform_device *pdev; |
| struct iommu_platform_data *pdata; |
| struct omap_mmu_dev_attr *a = (struct omap_mmu_dev_attr *)oh->dev_attr; |
| static int i; |
| |
| pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); |
| if (!pdata) |
| return -ENOMEM; |
| |
| pdata->name = oh->name; |
| pdata->nr_tlb_entries = a->nr_tlb_entries; |
| |
| if (oh->rst_lines_cnt == 1) { |
| pdata->reset_name = oh->rst_lines->name; |
| pdata->assert_reset = omap_device_assert_hardreset; |
| pdata->deassert_reset = omap_device_deassert_hardreset; |
| } |
| |
| pdev = omap_device_build("omap-iommu", i, oh, pdata, sizeof(*pdata)); |
| |
| kfree(pdata); |
| |
| if (IS_ERR(pdev)) { |
| pr_err("%s: device build err: %ld\n", __func__, PTR_ERR(pdev)); |
| return PTR_ERR(pdev); |
| } |
| |
| i++; |
| |
| return 0; |
| } |
| |
| static int __init omap_iommu_init(void) |
| { |
| /* If dtb is there, the devices will be created dynamically */ |
| if (of_have_populated_dt()) |
| return -ENODEV; |
| |
| return omap_hwmod_for_each_by_class("mmu", omap_iommu_dev_init, NULL); |
| } |
| omap_subsys_initcall(omap_iommu_init); |
| /* must be ready before omap3isp is probed */ |
