66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
/*
|
|
* (C) Copyright 2009 Faraday Technology
|
|
* Po-Yu Chuang <ratbert@faraday-tech.com>
|
|
*
|
|
* Copyright (C) 2010 Andes Technology Corporation
|
|
* Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
|
|
* Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
|
|
*
|
|
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include "ftpmu010.h"
|
|
|
|
static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
|
|
|
|
void ftpmu010_32768osc_enable(void)
|
|
{
|
|
unsigned int oscc;
|
|
|
|
/* enable the 32768Hz oscillator */
|
|
oscc = readl(&pmu->OSCC);
|
|
oscc &= ~(FTPMU010_OSCC_OSCL_OFF | FTPMU010_OSCC_OSCL_TRI);
|
|
writel(oscc, &pmu->OSCC);
|
|
|
|
/* wait until ready */
|
|
while (!(readl(&pmu->OSCC) & FTPMU010_OSCC_OSCL_STABLE))
|
|
;
|
|
|
|
/* select 32768Hz oscillator */
|
|
oscc = readl(&pmu->OSCC);
|
|
oscc |= FTPMU010_OSCC_OSCL_RTCLSEL;
|
|
writel(oscc, &pmu->OSCC);
|
|
}
|
|
|
|
void ftpmu010_dlldis_disable(void)
|
|
{
|
|
unsigned int pdllcr0;
|
|
|
|
pdllcr0 = readl(&pmu->PDLLCR0);
|
|
pdllcr0 |= FTPMU010_PDLLCR0_DLLDIS;
|
|
writel(pdllcr0, &pmu->PDLLCR0);
|
|
}
|
|
|
|
void ftpmu010_sdram_clk_disable(unsigned int cr0)
|
|
{
|
|
unsigned int pdllcr0;
|
|
|
|
pdllcr0 = readl(&pmu->PDLLCR0);
|
|
pdllcr0 |= FTPMU010_PDLLCR0_HCLKOUTDIS(cr0);
|
|
writel(pdllcr0, &pmu->PDLLCR0);
|
|
}
|