2 * linux/arch/arm/kernel/devtree.c
4 * Copyright (C) 2009 Canonical Ltd. <jeremy.kerr@canonical.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
11 #include <linux/init.h>
12 #include <linux/module.h>
13 #include <linux/errno.h>
14 #include <linux/types.h>
15 #include <linux/bootmem.h>
16 #include <linux/memblock.h>
18 #include <linux/of_fdt.h>
19 #include <linux/of_irq.h>
20 #include <linux/of_platform.h>
22 #include <asm/setup.h>
25 void __init early_init_dt_add_memory_arch(u64 base, u64 size)
27 arm_add_memory(base, size);
30 void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align)
32 return alloc_bootmem_align(size, align);
36 * irq_create_of_mapping - Hook to resolve OF irq specifier into a Linux irq#
38 * Currently the mapping mechanism is trivial; simple flat hwirq numbers are
39 * mapped 1:1 onto Linux irq numbers. Cascaded irq controllers are not
42 unsigned int irq_create_of_mapping(struct device_node *controller,
43 const u32 *intspec, unsigned int intsize)
47 EXPORT_SYMBOL_GPL(irq_create_of_mapping);