2 * (C) Copyright 2000-2002
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,
26 #include <asm/processor.h>
28 static const int hid1_multipliers_x_10[] = {
32 10, /* 0011 - bypass */
47 /* ------------------------------------------------------------------------- */
50 * Measure CPU clock speed (core clock GCLK1, GCLK2)
52 * (Approx. GCLK frequency in Hz)
57 DECLARE_GLOBAL_DATA_PTR;
59 ulong clock = CFG_BUS_CLK * \
60 hid1_multipliers_x_10[get_hid1 () >> 28] / 10;
62 gd->bus_clk = CFG_BUS_CLK;
67 /* ------------------------------------------------------------------------- */
69 #if 0 /* disabled XXX - use global data instead */
70 ulong get_bus_freq (ulong gclk_freq)
76 /* ------------------------------------------------------------------------- */