3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 #include <asm/danube.h>
27 ulong
ifx_get_ddr_hz(void)
29 static const ulong ddr_freq
[] = {166666667,133333333,111111111,83333333};
30 return ddr_freq
[((*DANUBE_CGU_SYS
) & 0x3)];
33 ulong
ifx_get_cpuclk(void)
35 #ifdef CONFIG_USE_EMULATOR
36 return EMULATOR_CPU_SPEED
;
37 #else //NOT CONFIG_USE_EMULATOR
38 unsigned int ddr_clock
=ifx_get_ddr_hz();
39 switch((*DANUBE_CGU_SYS
) & 0xc){
46 return ddr_clock
<< 1;
51 ulong
get_bus_freq(ulong dummy
)
53 #ifdef CONFIG_USE_EMULATOR
55 clkCPU
= ifx_get_cpuclk();
57 #else //NOT CONFIG_USE_EMULATOR
58 unsigned int ddr_clock
=ifx_get_ddr_hz();
59 if ((*DANUBE_CGU_SYS
) & 0x40){
60 return ddr_clock
>> 1;
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