projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 9eb8f674 GL |
1 | /* |
| 2 | * linux/arch/arm/kernel/devtree.c | |
| 3 | * | |
| 4 | * Copyright (C) 2009 Canonical Ltd. <jeremy.kerr@canonical.com> | |
| 5 | * | |
| 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. | |
| 9 | */ | |
| 10 | ||
| 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> | |
| 17 | #include <linux/of.h> | |
| 18 | #include <linux/of_fdt.h> | |
| 19 | #include <linux/of_irq.h> | |
| 20 | #include <linux/of_platform.h> | |
| 21 | ||
| 22 | #include <asm/setup.h> | |
| 23 | #include <asm/page.h> | |
| 24 | ||
| 25 | void __init early_init_dt_add_memory_arch(u64 base, u64 size) | |
| 26 | { | |
| 27 | arm_add_memory(base, size); | |
| 28 | } | |
| 29 | ||
| 30 | void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) | |
| 31 | { | |
| 32 | return alloc_bootmem_align(size, align); | |
| 33 | } | |
| 34 | ||
| 35 | /** | |
| 36 | * irq_create_of_mapping - Hook to resolve OF irq specifier into a Linux irq# | |
| 37 | * | |
| 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 | |
| 40 | * supported. | |
| 41 | */ | |
| 42 | unsigned int irq_create_of_mapping(struct device_node *controller, | |
| 43 | const u32 *intspec, unsigned int intsize) | |
| 44 | { | |
| 45 | return intspec[0]; | |
| 46 | } | |
| 47 | EXPORT_SYMBOL_GPL(irq_create_of_mapping); |