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 * SPDX-License-Identifier: GPL-2.0+
14 #include <faraday/ftpmu010.h>
16 /* OSCC: OSC Control Register */
17 void ftpmu010_32768osc_enable(void)
19 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
22 /* enable the 32768Hz oscillator */
23 oscc = readl(&pmu->OSCC);
24 oscc &= ~(FTPMU010_OSCC_OSCL_OFF | FTPMU010_OSCC_OSCL_TRI);
25 writel(oscc, &pmu->OSCC);
27 /* wait until ready */
28 while (!(readl(&pmu->OSCC) & FTPMU010_OSCC_OSCL_STABLE))
31 /* select 32768Hz oscillator */
32 oscc = readl(&pmu->OSCC);
33 oscc |= FTPMU010_OSCC_OSCL_RTCLSEL;
34 writel(oscc, &pmu->OSCC);
37 /* MFPSR: Multi-Function Port Setting Register */
38 void ftpmu010_mfpsr_select_dev(unsigned int dev)
40 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
43 mfpsr = readl(&pmu->MFPSR);
45 writel(mfpsr, &pmu->MFPSR);
48 void ftpmu010_mfpsr_diselect_dev(unsigned int dev)
50 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
53 mfpsr = readl(&pmu->MFPSR);
55 writel(mfpsr, &pmu->MFPSR);
58 /* PDLLCR0: PLL/DLL Control Register 0 */
59 void ftpmu010_dlldis_disable(void)
61 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
64 pdllcr0 = readl(&pmu->PDLLCR0);
65 pdllcr0 |= FTPMU010_PDLLCR0_DLLDIS;
66 writel(pdllcr0, &pmu->PDLLCR0);
69 void ftpmu010_sdram_clk_disable(unsigned int cr0)
71 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
74 pdllcr0 = readl(&pmu->PDLLCR0);
75 pdllcr0 |= FTPMU010_PDLLCR0_HCLKOUTDIS(cr0);
76 writel(pdllcr0, &pmu->PDLLCR0);
79 /* SDRAMHTC: SDRAM Signal Hold Time Control */
80 void ftpmu010_sdramhtc_set(unsigned int val)
82 static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE;
83 unsigned int sdramhtc;
85 sdramhtc = readl(&pmu->SDRAMHTC);
87 writel(sdramhtc, &pmu->SDRAMHTC);