1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* (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 <faraday/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);
}
|
