xref: /OK3568_Linux_fs/u-boot/arch/m68k/cpu/mcf547x_8x/speed.c (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  *
3*4882a593Smuzhiyun  * (C) Copyright 2000-2003
4*4882a593Smuzhiyun  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
7*4882a593Smuzhiyun  * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #include <common.h>
13*4882a593Smuzhiyun #include <asm/processor.h>
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #include <asm/immap.h>
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun /*
20*4882a593Smuzhiyun  * get_clocks() fills in gd->cpu_clock and gd->bus_clk
21*4882a593Smuzhiyun  */
get_clocks(void)22*4882a593Smuzhiyun int get_clocks(void)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun 	gd->bus_clk = CONFIG_SYS_CLK;
25*4882a593Smuzhiyun 	gd->cpu_clk = (gd->bus_clk * 2);
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #ifdef CONFIG_SYS_I2C_FSL
28*4882a593Smuzhiyun 	gd->arch.i2c1_clk = gd->bus_clk;
29*4882a593Smuzhiyun #endif
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun 	return (0);
32*4882a593Smuzhiyun }
33