mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-16 09:48:16 +00:00
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
|
|
*
|
|
* (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);
|
|
|
|
#ifdef CONFIG_FSL_I2C
|
|
gd->i2c1_clk = gd->bus_clk;
|
|
#endif
|
|
|
|
return (0);
|
|
}
|