1/*
2 * clock2xxx.c - OMAP2xxx-specific clock integration code
3 *
4 * Copyright (C) 2005-2008 Texas Instruments, Inc.
5 * Copyright (C) 2004-2010 Nokia Corporation
6 *
7 * Contacts:
8 * Richard Woodruff <r-woodruff2@ti.com>
9 * Paul Walmsley
10 *
11 * Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
12 * Gordon McNutt and RidgeRun, Inc.
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
17 */
18#undef DEBUG
19
20#include <linux/kernel.h>
21#include <linux/errno.h>
22#include <linux/clk.h>
23#include <linux/io.h>
24
25#include "soc.h"
26#include "clock.h"
27#include "clock2xxx.h"
28#include "cm.h"
29#include "cm-regbits-24xx.h"
30
31struct clk_hw *dclk_hw;
32/*
33 * Omap24xx specific clock functions
34 */
35
36/*
37 * Switch the MPU rate if specified on cmdline.  We cannot do this
38 * early until cmdline is parsed.  XXX This should be removed from the
39 * clock code and handled by the OPP layer code in the near future.
40 */
41static int __init omap2xxx_clk_arch_init(void)
42{
43	int ret;
44
45	if (!cpu_is_omap24xx())
46		return 0;
47
48	ret = omap2_clk_switch_mpurate_at_boot("virt_prcm_set");
49	if (!ret)
50		omap2_clk_print_new_rates("sys_ck", "dpll_ck", "mpu_ck");
51
52	return ret;
53}
54
55omap_arch_initcall(omap2xxx_clk_arch_init);
56
57
58