2 * (C) Copyright 2009 Faraday Technology
3 * Po-Yu Chuang <ratbert@faraday-tech.com>
5 * Copyright (C) 2010 Andes Technology Corporation
6 * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
7 * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include <faraday/ftpmu010.h>
28 /* OSCC: OSC Control Register */
29 void ftpmu010_32768osc_enable(void)
31 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
34 /* enable the 32768Hz oscillator */
35 oscc = readl(&pmu->OSCC);
36 oscc &= ~(FTPMU010_OSCC_OSCL_OFF | FTPMU010_OSCC_OSCL_TRI);
37 writel(oscc, &pmu->OSCC);
39 /* wait until ready */
40 while (!(readl(&pmu->OSCC) & FTPMU010_OSCC_OSCL_STABLE))
43 /* select 32768Hz oscillator */
44 oscc = readl(&pmu->OSCC);
45 oscc |= FTPMU010_OSCC_OSCL_RTCLSEL;
46 writel(oscc, &pmu->OSCC);
49 /* MFPSR: Multi-Function Port Setting Register */
50 void ftpmu010_mfpsr_select_dev(unsigned int dev)
52 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
55 mfpsr = readl(&pmu->MFPSR);
57 writel(mfpsr, &pmu->MFPSR);
60 void ftpmu010_mfpsr_diselect_dev(unsigned int dev)
62 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
65 mfpsr = readl(&pmu->MFPSR);
67 writel(mfpsr, &pmu->MFPSR);
70 /* PDLLCR0: PLL/DLL Control Register 0 */
71 void ftpmu010_dlldis_disable(void)
73 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
76 pdllcr0 = readl(&pmu->PDLLCR0);
77 pdllcr0 |= FTPMU010_PDLLCR0_DLLDIS;
78 writel(pdllcr0, &pmu->PDLLCR0);
81 void ftpmu010_sdram_clk_disable(unsigned int cr0)
83 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
86 pdllcr0 = readl(&pmu->PDLLCR0);
87 pdllcr0 |= FTPMU010_PDLLCR0_HCLKOUTDIS(cr0);
88 writel(pdllcr0, &pmu->PDLLCR0);
91 /* SDRAMHTC: SDRAM Signal Hold Time Control */
92 void ftpmu010_sdramhtc_set(unsigned int val)
94 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
95 unsigned int sdramhtc;
97 sdramhtc = readl(&pmu->SDRAMHTC);
99 writel(sdramhtc, &pmu->SDRAMHTC);