xref: /openbmc/u-boot/arch/m68k/cpu/mcf547x_8x/speed.c (revision 713cb680)
1 /*
2  *
3  * (C) Copyright 2000-2003
4  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5  *
6  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
7  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
8  *
9  * See file CREDITS for list of people who contributed to this
10  * project.
11  *
12  * This program is free software; you can redistribute it and/or
13  * modify it under the terms of the GNU General Public License as
14  * published by the Free Software Foundation; either version 2 of
15  * the License, or (at your option) any later version.
16  *
17  * This program is distributed in the hope that it will be useful,
18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  * GNU General Public License for more details.
21  *
22  * You should have received a copy of the GNU General Public License
23  * along with this program; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25  * MA 02111-1307 USA
26  */
27 
28 #include <common.h>
29 #include <asm/processor.h>
30 
31 #include <asm/immap.h>
32 
33 DECLARE_GLOBAL_DATA_PTR;
34 
35 /*
36  * get_clocks() fills in gd->cpu_clock and gd->bus_clk
37  */
38 int get_clocks(void)
39 {
40 	gd->bus_clk = CONFIG_SYS_CLK;
41 	gd->cpu_clk = (gd->bus_clk * 2);
42 
43 #ifdef CONFIG_FSL_I2C
44 	gd->arch.i2c1_clk = gd->bus_clk;
45 #endif
46 
47 	return (0);
48 }
49