| /* | |
| * Copyright (C) 2009 Lemote Inc. | |
| * Author: Wu Zhangjin, wuzhangjin@gmail.com | |
| * | |
| * This program is free software; you can redistribute it and/or modify it | |
| * under the terms of the GNU General Public License as published by the | |
| * Free Software Foundation; either version 2 of the License, or (at your | |
| * option) any later version. | |
| */ | |
| #include <linux/err.h> | |
| #include <linux/smp.h> | |
| #include <linux/platform_device.h> | |
| static struct platform_device loongson2_cpufreq_device = { | |
| .name = "loongson2_cpufreq", | |
| .id = -1, | |
| }; | |
| static int __init loongson2_cpufreq_init(void) | |
| { | |
| struct cpuinfo_mips *c = ¤t_cpu_data; | |
| /* Only 2F revision and it's successors support CPUFreq */ | |
| if ((c->processor_id & PRID_REV_MASK) >= PRID_REV_LOONGSON2F) | |
| return platform_device_register(&loongson2_cpufreq_device); | |
| return -ENODEV; | |
| } | |
| arch_initcall(loongson2_cpufreq_init); |