diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/Makefile | 1 | ||||
| -rw-r--r-- | drivers/power/ftpmu010.c | 65 | ||||
| -rw-r--r-- | drivers/power/ftpmu010.h | 146 |
3 files changed, 212 insertions, 0 deletions
diff --git a/drivers/power/Makefile b/drivers/power/Makefile index c9ba1ae..ead00f8 100644 --- a/drivers/power/Makefile +++ b/drivers/power/Makefile @@ -25,6 +25,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libpower.o +COBJS-$(CONFIG_FTPMU010_POWER) += ftpmu010.o COBJS-$(CONFIG_TWL4030_POWER) += twl4030.o COBJS-$(CONFIG_TWL6030_POWER) += twl6030.o diff --git a/drivers/power/ftpmu010.c b/drivers/power/ftpmu010.c new file mode 100644 index 0000000..7924ac1 --- /dev/null +++ b/drivers/power/ftpmu010.c @@ -0,0 +1,65 @@ +/* + * (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 "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); +} diff --git a/drivers/power/ftpmu010.h b/drivers/power/ftpmu010.h new file mode 100644 index 0000000..8ef7a37 --- /dev/null +++ b/drivers/power/ftpmu010.h @@ -0,0 +1,146 @@ +/* + * (C) Copyright 2009 Faraday Technology + * Po-Yu Chuang <ratbert@faraday-tech.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. + */ + +/* + * Power Management Unit + */ +#ifndef __FTPMU010_H +#define __FTPMU010_H + +struct ftpmu010 { + unsigned int IDNMBR0; /* 0x00 */ + unsigned int reserved0; /* 0x04 */ + unsigned int OSCC; /* 0x08 */ + unsigned int PMODE; /* 0x0C */ + unsigned int PMCR; /* 0x10 */ + unsigned int PED; /* 0x14 */ + unsigned int PEDSR; /* 0x18 */ + unsigned int reserved1; /* 0x1C */ + unsigned int PMSR; /* 0x20 */ + unsigned int PGSR; /* 0x24 */ + unsigned int MFPSR; /* 0x28 */ + unsigned int MISC; /* 0x2C */ + unsigned int PDLLCR0; /* 0x30 */ + unsigned int PDLLCR1; /* 0x34 */ + unsigned int AHBMCLKOFF; /* 0x38 */ + unsigned int APBMCLKOFF; /* 0x3C */ + unsigned int DCSRCR0; /* 0x40 */ + unsigned int DCSRCR1; /* 0x44 */ + unsigned int DCSRCR2; /* 0x48 */ + unsigned int SDRAMHTC; /* 0x4C */ + unsigned int PSPR0; /* 0x50 */ + unsigned int PSPR1; /* 0x54 */ + unsigned int PSPR2; /* 0x58 */ + unsigned int PSPR3; /* 0x5C */ + unsigned int PSPR4; /* 0x60 */ + unsigned int PSPR5; /* 0x64 */ + unsigned int PSPR6; /* 0x68 */ + unsigned int PSPR7; /* 0x6C */ + unsigned int PSPR8; /* 0x70 */ + unsigned int PSPR9; /* 0x74 */ + unsigned int PSPR10; /* 0x78 */ + unsigned int PSPR11; /* 0x7C */ + unsigned int PSPR12; /* 0x80 */ + unsigned int PSPR13; /* 0x84 */ + unsigned int PSPR14; /* 0x88 */ + unsigned int PSPR15; /* 0x8C */ + unsigned int AHBDMA_RACCS; /* 0x90 */ + unsigned int reserved2; /* 0x94 */ + unsigned int reserved3; /* 0x98 */ + unsigned int JSS; /* 0x9C */ + unsigned int CFC_RACC; /* 0xA0 */ + unsigned int SSP1_RACC; /* 0xA4 */ + unsigned int UART1TX_RACC; /* 0xA8 */ + unsigned int UART1RX_RACC; /* 0xAC */ + unsigned int UART2TX_RACC; /* 0xB0 */ + unsigned int UART2RX_RACC; /* 0xB4 */ + unsigned int SDC_RACC; /* 0xB8 */ + unsigned int I2SAC97_RACC; /* 0xBC */ + unsigned int IRDATX_RACC; /* 0xC0 */ + unsigned int reserved4; /* 0xC4 */ + unsigned int USBD_RACC; /* 0xC8 */ + unsigned int IRDARX_RACC; /* 0xCC */ + unsigned int IRDA_RACC; /* 0xD0 */ + unsigned int ED0_RACC; /* 0xD4 */ + unsigned int ED1_RACC; /* 0xD8 */ +}; + +/* + * ID Number 0 Register + */ +#define FTPMU010_ID_A320A 0x03200000 +#define FTPMU010_ID_A320C 0x03200010 +#define FTPMU010_ID_A320D 0x03200030 + +/* + * OSC Control Register + */ +#define FTPMU010_OSCC_OSCH_TRI (1 << 11) +#define FTPMU010_OSCC_OSCH_STABLE (1 << 9) +#define FTPMU010_OSCC_OSCH_OFF (1 << 8) + +#define FTPMU010_OSCC_OSCL_TRI (1 << 3) +#define FTPMU010_OSCC_OSCL_RTCLSEL (1 << 2) +#define FTPMU010_OSCC_OSCL_STABLE (1 << 1) +#define FTPMU010_OSCC_OSCL_OFF (1 << 0) + +/* + * Power Mode Register + */ +#define FTPMU010_PMODE_DIVAHBCLK_MASK (0x7 << 4) +#define FTPMU010_PMODE_DIVAHBCLK_2 (0x0 << 4) +#define FTPMU010_PMODE_DIVAHBCLK_3 (0x1 << 4) +#define FTPMU010_PMODE_DIVAHBCLK_4 (0x2 << 4) +#define FTPMU010_PMODE_DIVAHBCLK_6 (0x3 << 4) +#define FTPMU010_PMODE_DIVAHBCLK_8 (0x4 << 4) +#define FTPMU010_PMODE_DIVAHBCLK(pmode) (((pmode) >> 4) & 0x7) +#define FTPMU010_PMODE_FCS (1 << 2) +#define FTPMU010_PMODE_TURBO (1 << 1) +#define FTPMU010_PMODE_SLEEP (1 << 0) + +/* + * Power Manager Status Register + */ +#define FTPMU010_PMSR_SMR (1 << 10) + +#define FTPMU010_PMSR_RDH (1 << 2) +#define FTPMU010_PMSR_PH (1 << 1) +#define FTPMU010_PMSR_CKEHLOW (1 << 0) + +/* + * Multi-Function Port Setting Register + */ +#define FTPMU010_MFPSR_MODEMPINSEL (1 << 14) +#define FTPMU010_MFPSR_AC97CLKOUTSEL (1 << 13) +#define FTPMU010_MFPSR_AC97PINSEL (1 << 3) + +/* + * PLL/DLL Control Register 0 + */ +#define FTPMU010_PDLLCR0_HCLKOUTDIS(cr0) (((cr0) >> 20) & 0xf) +#define FTPMU010_PDLLCR0_DLLFRAG (1 << 19) +#define FTPMU010_PDLLCR0_DLLSTSEL (1 << 18) +#define FTPMU010_PDLLCR0_DLLSTABLE (1 << 17) +#define FTPMU010_PDLLCR0_DLLDIS (1 << 16) +#define FTPMU010_PDLLCR0_PLL1NS(cr0) (((cr0) >> 3) & 0x1ff) +#define FTPMU010_PDLLCR0_PLL1STSEL (1 << 2) +#define FTPMU010_PDLLCR0_PLL1STABLE (1 << 1) +#define FTPMU010_PDLLCR0_PLL1DIS (1 << 0) + +#endif /* __FTPMU010_H */ |