/* * * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <asm/processor.h> #include <asm/immap.h> DECLARE_GLOBAL_DATA_PTR; /* * get_clocks() fills in gd->cpu_clock and gd->bus_clk */ int get_clocks(void) { volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL); pll->syncr = PLL_SYNCR_MFD(1); while (!(pll->synsr & PLL_SYNSR_LOCK)); gd->bus_clk = CFG_CLK; gd->cpu_clk = (gd->bus_clk * 2); return (0); }