1f8ea15f7SMacpaul Lin /* 2f8ea15f7SMacpaul Lin * (C) Copyright 2009 Faraday Technology 3f8ea15f7SMacpaul Lin * Po-Yu Chuang <ratbert@faraday-tech.com> 4f8ea15f7SMacpaul Lin * 5f8ea15f7SMacpaul Lin * Copyright (C) 2010 Andes Technology Corporation 6f8ea15f7SMacpaul Lin * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com> 7f8ea15f7SMacpaul Lin * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com> 8f8ea15f7SMacpaul Lin * 9*1a459660SWolfgang Denk * SPDX-License-Identifier: GPL-2.0+ 10f8ea15f7SMacpaul Lin */ 11f8ea15f7SMacpaul Lin 12f8ea15f7SMacpaul Lin #include <common.h> 13f8ea15f7SMacpaul Lin #include <asm/io.h> 14d6150db2SPo-Yu Chuang #include <faraday/ftpmu010.h> 15f8ea15f7SMacpaul Lin 16caddb8e4SMacpaul Lin /* OSCC: OSC Control Register */ ftpmu010_32768osc_enable(void)17f8ea15f7SMacpaul Linvoid ftpmu010_32768osc_enable(void) 18f8ea15f7SMacpaul Lin { 19caddb8e4SMacpaul Lin static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE; 20f8ea15f7SMacpaul Lin unsigned int oscc; 21f8ea15f7SMacpaul Lin 22f8ea15f7SMacpaul Lin /* enable the 32768Hz oscillator */ 23f8ea15f7SMacpaul Lin oscc = readl(&pmu->OSCC); 24f8ea15f7SMacpaul Lin oscc &= ~(FTPMU010_OSCC_OSCL_OFF | FTPMU010_OSCC_OSCL_TRI); 25f8ea15f7SMacpaul Lin writel(oscc, &pmu->OSCC); 26f8ea15f7SMacpaul Lin 27f8ea15f7SMacpaul Lin /* wait until ready */ 28f8ea15f7SMacpaul Lin while (!(readl(&pmu->OSCC) & FTPMU010_OSCC_OSCL_STABLE)) 29f8ea15f7SMacpaul Lin ; 30f8ea15f7SMacpaul Lin 31f8ea15f7SMacpaul Lin /* select 32768Hz oscillator */ 32f8ea15f7SMacpaul Lin oscc = readl(&pmu->OSCC); 33f8ea15f7SMacpaul Lin oscc |= FTPMU010_OSCC_OSCL_RTCLSEL; 34f8ea15f7SMacpaul Lin writel(oscc, &pmu->OSCC); 35f8ea15f7SMacpaul Lin } 36f8ea15f7SMacpaul Lin 37caddb8e4SMacpaul Lin /* MFPSR: Multi-Function Port Setting Register */ ftpmu010_mfpsr_select_dev(unsigned int dev)38caddb8e4SMacpaul Linvoid ftpmu010_mfpsr_select_dev(unsigned int dev) 39caddb8e4SMacpaul Lin { 40caddb8e4SMacpaul Lin static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE; 41caddb8e4SMacpaul Lin unsigned int mfpsr; 42caddb8e4SMacpaul Lin 43caddb8e4SMacpaul Lin mfpsr = readl(&pmu->MFPSR); 44caddb8e4SMacpaul Lin mfpsr |= dev; 45caddb8e4SMacpaul Lin writel(mfpsr, &pmu->MFPSR); 46caddb8e4SMacpaul Lin } 47caddb8e4SMacpaul Lin ftpmu010_mfpsr_diselect_dev(unsigned int dev)48caddb8e4SMacpaul Linvoid ftpmu010_mfpsr_diselect_dev(unsigned int dev) 49caddb8e4SMacpaul Lin { 50caddb8e4SMacpaul Lin static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE; 51caddb8e4SMacpaul Lin unsigned int mfpsr; 52caddb8e4SMacpaul Lin 53caddb8e4SMacpaul Lin mfpsr = readl(&pmu->MFPSR); 54caddb8e4SMacpaul Lin mfpsr &= ~dev; 55caddb8e4SMacpaul Lin writel(mfpsr, &pmu->MFPSR); 56caddb8e4SMacpaul Lin } 57caddb8e4SMacpaul Lin 58caddb8e4SMacpaul Lin /* PDLLCR0: PLL/DLL Control Register 0 */ ftpmu010_dlldis_disable(void)59f8ea15f7SMacpaul Linvoid ftpmu010_dlldis_disable(void) 60f8ea15f7SMacpaul Lin { 61caddb8e4SMacpaul Lin static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE; 62f8ea15f7SMacpaul Lin unsigned int pdllcr0; 63f8ea15f7SMacpaul Lin 64f8ea15f7SMacpaul Lin pdllcr0 = readl(&pmu->PDLLCR0); 65f8ea15f7SMacpaul Lin pdllcr0 |= FTPMU010_PDLLCR0_DLLDIS; 66f8ea15f7SMacpaul Lin writel(pdllcr0, &pmu->PDLLCR0); 67f8ea15f7SMacpaul Lin } 68f8ea15f7SMacpaul Lin ftpmu010_sdram_clk_disable(unsigned int cr0)69f8ea15f7SMacpaul Linvoid ftpmu010_sdram_clk_disable(unsigned int cr0) 70f8ea15f7SMacpaul Lin { 71caddb8e4SMacpaul Lin static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE; 72f8ea15f7SMacpaul Lin unsigned int pdllcr0; 73f8ea15f7SMacpaul Lin 74f8ea15f7SMacpaul Lin pdllcr0 = readl(&pmu->PDLLCR0); 75f8ea15f7SMacpaul Lin pdllcr0 |= FTPMU010_PDLLCR0_HCLKOUTDIS(cr0); 76f8ea15f7SMacpaul Lin writel(pdllcr0, &pmu->PDLLCR0); 77f8ea15f7SMacpaul Lin } 78caddb8e4SMacpaul Lin 79caddb8e4SMacpaul Lin /* SDRAMHTC: SDRAM Signal Hold Time Control */ ftpmu010_sdramhtc_set(unsigned int val)80caddb8e4SMacpaul Linvoid ftpmu010_sdramhtc_set(unsigned int val) 81caddb8e4SMacpaul Lin { 82caddb8e4SMacpaul Lin static struct ftpmu010 *pmu = (struct ftpmu010 *)CONFIG_FTPMU010_BASE; 83caddb8e4SMacpaul Lin unsigned int sdramhtc; 84caddb8e4SMacpaul Lin 85caddb8e4SMacpaul Lin sdramhtc = readl(&pmu->SDRAMHTC); 86caddb8e4SMacpaul Lin sdramhtc |= val; 87caddb8e4SMacpaul Lin writel(sdramhtc, &pmu->SDRAMHTC); 88caddb8e4SMacpaul Lin } 89