From c8e84872f9fe228119e83d426d835106fc331551 Mon Sep 17 00:00:00 2001 From: batt Date: Mon, 15 Oct 2007 14:04:13 +0000 Subject: [PATCH] Add PMC definitions. git-svn-id: https://src.develer.com/svnoss/bertos/trunk@878 38d2e660-2303-0410-9eaa-f027e97ec537 --- cpu/arm/io/at91_pmc.h | 195 +++++++++++++++++++++++++++++++++++++++++ cpu/arm/io/at91sam7s.h | 1 + 2 files changed, 196 insertions(+) create mode 100644 cpu/arm/io/at91_pmc.h diff --git a/cpu/arm/io/at91_pmc.h b/cpu/arm/io/at91_pmc.h new file mode 100644 index 00000000..e2f5b864 --- /dev/null +++ b/cpu/arm/io/at91_pmc.h @@ -0,0 +1,195 @@ +/** + * \file + * + * + * \version $Id$ + * + * \author Francesco Sacchi + * + * AT91 power management controller. + * This file is based on NUT/OS implementation. See license below. + */ + +/* + * Copyright (C) 2005-2006 by egnite Software GmbH. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holders nor the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE + * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * For additional information see http://www.ethernut.de/ + */ + +#ifndef AT91_PMC_H +#define AT91_PMC_H + +/** System Clock Enable, Disable and Status Register */ +/*\{*/ +#define PMC_SCER_OFF 0x00000000 ///< System clock enable register offset. +#define PMC_SCER (PMC_BASE + PMC_SCER_OFF) ///< System clock enable register address. +#define PMC_SCDR_OFF 0x00000004 ///< System clock disable register offset. +#define PMC_SCDR (PMC_BASE + PMC_SCDR_OFF) ///< System clock disable register address. +#define PMC_SCSR_OFF 0x00000008 ///< System clock status register offset. +#define PMC_SCSR (PMC_BASE + PMC_SCSR_OFF) ///< System clock status register address. + +#define PMC_PCK 0 ///< Processor clock. +#define PMC_UDP 7 ///< USB device port clock. +#define PMC_PCK0 8 ///< Programmable clock 0 output. +#define PMC_PCK1 9 ///< Programmable clock 1 output. +#define PMC_PCK2 10 ///< Programmable clock 2 output. +/*\}*/ + +/** Peripheral Clock Enable, Disable and Status Register */ +/*\{*/ +#define PMC_PCER_OFF 0x00000010 ///< Peripheral clock enable register offset. +#define PMC_PCER (PMC_BASE + PMC_PCER_OFF) ///< Peripheral clock enable register address. +#define PMC_PCDR_OFF 0x00000014 ///< Peripheral clock disable register offset. +#define PMC_PCDR (PMC_BASE + PMC_PCDR_OFF) ///< Peripheral clock disable register address. +#define PMC_PCSR_OFF 0x00000018 ///< Peripheral clock status register offset. +#define PMC_PCSR (PMC_BASE + PMC_PCSR_OFF) ///< Peripheral clock status register address. +/*\}*/ + +/** Clock Generator Main Oscillator Register */ +/*\{*/ +#define CKGR_MOR_OFF 0x00000020 ///< Main oscillator register offset. +#define CKGR_MOR (PMC_BASE + CKGR_MOR_OFF) ///< Main oscillator register address. + +#define CKGR_MOSCEN 0 ///< Main oscillator enable. +#define CKGR_OSCBYPASS 1 ///< Main oscillator bypass. +#define CKGR_OSCOUNT_MASK 0x0000FF00 ///< Main oscillator start-up time mask. +#define CKGR_OSCOUNT_SHIFT 8 ///< Main oscillator start-up time LSB. +/*\}*/ + +/** Clock Generator Main Clock Frequency Register */ +/*\{*/ +#define CKGR_MCFR_OFF 0x00000024 ///< Main clock frequency register offset. +#define CKGR_MCFR (PMC_BASE + CKGR_MCFR_OFF) ///< Main clock frequency register address. + +#define CKGR_MAINF_MASK 0x0000FFFF ///< Main clock frequency mask mask. +#define CKGR_MAINRDY 16 ///< Main clock ready. +/*\}*/ + +/** PLL Registers */ +/*\{*/ +#define CKGR_PLLR_OFF 0x0000002C ///< Clock generator PLL register offset. +#define CKGR_PLLR (PMC_BASE + CKGR_PLLR_OFF) ///< Clock generator PLL register address. + +#define CKGR_DIV_MASK 0x000000FF ///< Divider. +#define CKGR_DIV_SHIFT 0 ///< Least significant bit of the divider. +#define CKGR_DIV_0 0x00000000 ///< Divider output is 0. +#define CKGR_DIV_BYPASS 0x00000001 ///< Divider is bypassed. +#define CKGR_PLLCOUNT_MASK 0x00003F00 ///< PLL counter mask. +#define CKGR_PLLCOUNT_SHIFT 8 ///< PLL counter LSB. + +#define CKGR_OUT_MASK 0x0000C000 ///< PLL output frequency range. +#define CKGR_OUT_0 0x00000000 ///< Please refer to the PLL datasheet. +#define CKGR_OUT_1 0x00004000 ///< Please refer to the PLL datasheet. +#define CKGR_OUT_2 0x00008000 ///< Please refer to the PLL datasheet. +#define CKGR_OUT_3 0x0000C000 ///< Please refer to the PLL datasheet. +#define CKGR_MUL_MASK 0x07FF0000 ///< PLL multiplier. +#define CKGR_MUL_SHIFT 16 ///< Least significant bit of the PLL multiplier. + +#define CKGR_USBDIV_MASK 0x30000000 ///< Divider for USB clocks. +#define CKGR_USBDIV_1 0x00000000 ///< Divider output is PLL clock output. +#define CKGR_USBDIV_2 0x10000000 ///< Divider output is PLL clock output divided by 2. +#define CKGR_USBDIV_4 0x20000000 ///< Divider output is PLL clock output divided by 4. +/*\}*/ + +/** Master Clock Register */ +/*\{*/ +#define PMC_MCKR_OFF 0x00000030 ///< Master clock register offset. +#define PMC_MCKR (PMC_BASE + PMC_MCKR_OFF) ///< Master clock register address. + +#define PMC_PCKR0_OFF 0x00000040 ///< Programmable clock 0 register offset. +#define PMC_PCKR0 (PMC_BASE + PMC_PCKR0_OFF) ///< Programmable clock 0 register address. +#define PMC_PCKR1_OFF 0x00000044 ///< Programmable clock 1 register offset. +#define PMC_PCKR1 (PMC_BASE + PMC_PCKR1_OFF) ///< Programmable clock 1 register address. +#define PMC_PCKR2_OFF 0x00000048 ///< Programmable clock 2 register offset. +#define PMC_PCKR2 (PMC_BASE + PMC_PCKR2_OFF) ///< Programmable clock 2 register address. + +#define PMC_CSS_MASK 0x00000003 ///< Clock selection mask. +#define PMC_CSS_SLOW_CLK 0x00000000 ///< Slow clock selected. +#define PMC_CSS_MAIN_CLK 0x00000001 ///< Main clock selected. +#define PMC_CSS_PLL_CLK 0x00000003 ///< PLL clock selected. + +#define PMC_PRES_MASK 0x0000001C ///< Clock prescaler mask. +#define PMC_PRES_SHIFT 2 ///< Clock prescaler LSB. +#define PMC_PRES_CLK 0x00000000 ///< Selected clock, not divided. +#define PMC_PRES_CLK_2 0x00000004 ///< Selected clock divided by 2. +#define PMC_PRES_CLK_4 0x00000008 ///< Selected clock divided by 4. +#define PMC_PRES_CLK_8 0x0000000C ///< Selected clock divided by 8. +#define PMC_PRES_CLK_16 0x00000010 ///< Selected clock divided by 16. +#define PMC_PRES_CLK_32 0x00000014 ///< Selected clock divided by 32. +#define PMC_PRES_CLK_64 0x00000018 ///< Selected clock divided by 64. +/*\}*/ + +/** Power Management Status and Interrupt Registers */ +/*\{*/ +#define PMC_IER_OFF 0x00000060 ///< Interrupt enable register offset. +#define PMC_IER (PMC_BASE + PMC_IER_OFF) ///< Interrupt enable register address. +#define PMC_IDR_OFF 0x00000064 ///< Interrupt disable register offset. +#define PMC_IDR (PMC_BASE + PMC_IDR_OFF) ///< Interrupt disable register address. +#define PMC_SR_OFF 0x00000068 ///< Status register offset. +#define PMC_SR (PMC_BASE + PMC_SR_OFF) ///< Status register address. +#define PMC_IMR_OFF 0x0000006C ///< Interrupt mask register offset. +#define PMC_IMR (PMC_BASE + PMC_IMR_OFF) ///< Interrupt mask register address. + +#define PMC_MOSCS 0 ///< Main oscillator. +#define PMC_LOCK 2 ///< PLL lock. +#define PMC_MCKRDY 3 ///< Master clock ready. +#define PMC_PCKRDY0 8 ///< Programmable clock 0 ready. +#define PMC_PCKRDY1 9 ///< Programmable clock 1 ready. +#define PMC_PCKRDY2 10 ///< Programmable clock 2 ready. +/*\}*/ + +#endif /* AT91_PMC_H */ diff --git a/cpu/arm/io/at91sam7s.h b/cpu/arm/io/at91sam7s.h index e7da3ead..c3b93ca0 100644 --- a/cpu/arm/io/at91sam7s.h +++ b/cpu/arm/io/at91sam7s.h @@ -99,6 +99,7 @@ #include "at91_aic.h" #include "at91_pit.h" +#include "at91_pmc.h" //TODO: add other peripherals /** Peripheral Identifiers and Interrupts */ -- 2.25.1