| Richard Kuo | 43afdf5 | 2011-10-31 18:46:34 -0500 | [diff] [blame] | 1 | /* |
| 2 | * CPU topology for Hexagon |
| 3 | * |
| 4 | * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. |
| 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 and |
| 8 | * only version 2 as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 18 | * 02110-1301, USA. |
| 19 | */ |
| 20 | |
| 21 | #include <linux/cpu.h> |
| 22 | #include <linux/cpumask.h> |
| 23 | #include <linux/init.h> |
| 24 | #include <linux/node.h> |
| 25 | #include <linux/nodemask.h> |
| 26 | #include <linux/percpu.h> |
| 27 | |
| 28 | /* Swiped from MIPS. */ |
| 29 | |
| 30 | static DEFINE_PER_CPU(struct cpu, cpu_devices); |
| 31 | |
| 32 | static int __init topology_init(void) |
| 33 | { |
| 34 | int i, ret; |
| 35 | |
| 36 | for_each_present_cpu(i) { |
| 37 | |
| 38 | /* |
| 39 | * register_cpu takes a per_cpu pointer and |
| 40 | * just points it at another per_cpu struct... |
| 41 | */ |
| 42 | |
| 43 | ret = register_cpu(&per_cpu(cpu_devices, i), i); |
| 44 | if (ret) |
| 45 | printk(KERN_WARNING "topology_init: register_cpu %d " |
| 46 | "failed (%d)\n", i, ret); |
| 47 | } |
| 48 | |
| 49 | return 0; |
| 50 | } |
| 51 | |
| 52 | subsys_initcall(topology_init); |