| /* |
| * linux/arch/arm/kernel/devtree.c |
| * |
| * Copyright (C) 2009 Canonical Ltd. <jeremy.kerr@canonical.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/init.h> |
| #include <linux/module.h> |
| #include <linux/errno.h> |
| #include <linux/types.h> |
| #include <linux/bootmem.h> |
| #include <linux/memblock.h> |
| #include <linux/of.h> |
| #include <linux/of_fdt.h> |
| #include <linux/of_irq.h> |
| #include <linux/of_platform.h> |
| |
| #include <asm/setup.h> |
| #include <asm/page.h> |
| |
| void __init early_init_dt_add_memory_arch(u64 base, u64 size) |
| { |
| arm_add_memory(base, size); |
| } |
| |
| void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) |
| { |
| return alloc_bootmem_align(size, align); |
| } |
| |
| /** |
| * irq_create_of_mapping - Hook to resolve OF irq specifier into a Linux irq# |
| * |
| * Currently the mapping mechanism is trivial; simple flat hwirq numbers are |
| * mapped 1:1 onto Linux irq numbers. Cascaded irq controllers are not |
| * supported. |
| */ |
| unsigned int irq_create_of_mapping(struct device_node *controller, |
| const u32 *intspec, unsigned int intsize) |
| { |
| return intspec[0]; |
| } |
| EXPORT_SYMBOL_GPL(irq_create_of_mapping); |