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nuttx/arch/arm/src/sam3u/sam3u_supc.h
patacongo 996d7e3127 Add SAM3U clock and systick init logic 
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2511 42af7a65-404d-4744-a932-0658087f49c3
2010-01-17 17:55:13 +00:00

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/****************************************************************************************
* arch/arm/src/sam3u/sam3u_supc.h
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE
* COPYRIGHT OWNER 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.
*
****************************************************************************************/
#ifndef __ARCH_ARM_SRC_SAM3U_SAM3U_SUPC_H
#define __ARCH_ARM_SRC_SAM3U_SAM3U_SUPC_H
/****************************************************************************************
* Included Files
****************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
#include "sam3u_memorymap.h"
/****************************************************************************************
* Pre-processor Definitions
****************************************************************************************/
/* SUPC register offsets ****************************************************************/
#define SAM3U_SUPC_CR_OFFSET 0x00 /* Supply Controller Control Register */
#define SAM3U_SUPC_SMMR_OFFSET 0x04 /* Supply Controller Supply Monitor Mode Register */
#define SAM3U_SUPC_MR_OFFSET 0x08 /* Supply Controller Mode Register */
#define SAM3U_SUPC_WUMR_OFFSET 0x0c /* Supply Controller Wake Up Mode Register */
#define SAM3U_SUPC_WUIR_OFFSET 0x10 /* Supply Controller Wake Up Inputs Register */
#define SAM3U_SUPC_SR_OFFSET 0x14 /* Supply Controller Status Register */
/* SUPC register adresses ***************************************************************/
#define SAM3U_SUPC_CR (SAM3U_SUPC_BASE+SAM3U_SUPC_CR_OFFSET)
#define SAM3U_SUPC_SMMR (SAM3U_SUPC_BASE+SAM3U_SUPC_SMMR_OFFSET)
#define SAM3U_SUPC_MR (SAM3U_SUPC_BASE+SAM3U_SUPC_MR_OFFSET)
#define SAM3U_SUPC_WUMR (SAM3U_SUPC_BASE+SAM3U_SUPC_WUMR_OFFSET)
#define SAM3U_SUPC_WUIR (SAM3U_SUPC_BASE+SAM3U_SUPC_WUIR_OFFSET)
#define SAM3U_SUPC_SR (SAM3U_SUPC_BASE+SAM3U_SUPC_SR_OFFSET)
/* SUPC register bit definitions ********************************************************/
#define SUPC_CR_VROFF (1 << 2) /* Bit 2: Voltage Regulator Off */
#define SUPC_CR_XTALSEL (1 << 3) /* Bit 3: Crystal Oscillator Select */
#define SUPC_CR_KEY_SHIFT (24) /* Bits 24-31: Password */
#define SUPC_CR_KEY_MASK (0xff << SUPC_CR_KEY_SHIFT)
#define SUPC_SMMR_SMTH_SHIFT (0) /* Bits 0-3: Supply Monitor Threshold */
#define SUPC_SMMR_SMTH_MASK (15 << SUPC_SMMR_SMTH_SHIFT)
# define SUPC_SMMR_SMTH_1p9V (0 << SUPC_SMMR_SMTH_SHIFT) /* 1.9V */
# define SUPC_SMMR_SMTH_2p0V (1 << SUPC_SMMR_SMTH_SHIFT) /* 2.0V */
# define SUPC_SMMR_SMTH_2p1V (2 << SUPC_SMMR_SMTH_SHIFT) /* 2.1V */
# define SUPC_SMMR_SMTH_2p2V (3 << SUPC_SMMR_SMTH_SHIFT) /* 2.2V */
# define SUPC_SMMR_SMTH_2p3V (4 << SUPC_SMMR_SMTH_SHIFT) /* 2.3V */
# define SUPC_SMMR_SMTH_2p4V (5 << SUPC_SMMR_SMTH_SHIFT) /* 2.4V */
# define SUPC_SMMR_SMTH_2p5V (6 << SUPC_SMMR_SMTH_SHIFT) /* 2.5V */
# define SUPC_SMMR_SMTH_2p6V (7 << SUPC_SMMR_SMTH_SHIFT) /* 2.6V */
# define SUPC_SMMR_SMTH_2p7V (8 << SUPC_SMMR_SMTH_SHIFT) /* 2.7V */
# define SUPC_SMMR_SMTH_2p8V (9 << SUPC_SMMR_SMTH_SHIFT) /* 2.8V */
# define SUPC_SMMR_SMTH_2p9V (10 << SUPC_SMMR_SMTH_SHIFT) /* 2.9V */
# define SUPC_SMMR_SMTH_3p0V (11 << SUPC_SMMR_SMTH_SHIFT) /* 3.0V */
# define SUPC_SMMR_SMTH_3p1V (12 << SUPC_SMMR_SMTH_SHIFT) /* 3.1V */
# define SUPC_SMMR_SMTH_3p2V (13 << SUPC_SMMR_SMTH_SHIFT) /* 3.2V */
# define SUPC_SMMR_SMTH_3p3V (14 << SUPC_SMMR_SMTH_SHIFT) /* 3.3V */
# define SUPC_SMMR_SMTH_3p4V (15 << SUPC_SMMR_SMTH_SHIFT) /* 3.4V */
#define SUPC_SMMR_SMSMPL_SHIFT (8) /* Bits 8-10: Supply Monitor Sampling Period */
#define SUPC_SMMR_SMSMPL_MASK (7 << SUPC_SMMR_SMSMPL_SHIFT)
# define SUPC_SMMR_SMSMPL_SMD (0 << SUPC_SMMR_SMSMPL_SHIFT) /* Supply Monitor disabled */
# define SUPC_SMMR_SMSMPL_CSM (1 << SUPC_SMMR_SMSMPL_SHIFT) /* Continuous Supply Monitor */
# define SUPC_SMMR_SMSMPL_32SLCK (2 << SUPC_SMMR_SMSMPL_SHIFT) /* Eevery 32 SLCK periods */
# define SUPC_SMMR_SMSMPL_256SLCK (3 << SUPC_SMMR_SMSMPL_SHIFT) /* Every 256 SLCK periods */
# define SUPC_SMMR_SMSMPL_2048SLCK (4 << SUPC_SMMR_SMSMPL_SHIFT) /* Every 2,048 SLCK periods */
#define SUPC_SMMR_SMRSTEN (1 << 12) /* Bit 12: Supply Monitor Reset Enable */
#define SUPC_SMMR_SMIEN (1 << 13) /* Bit 13: Supply Monitor Interrupt Enable */
#define SUPC_MR_BODRSTEN (1 << 12) /* Bit 12: Brownout Detector Reset Enable */
#define SUPC_MR_BODDIS (1 << 13) /* Bit 13: Brownout Detector Disable */
#define SUPC_MR_VDDIORDY (1 << 14) /* Bit 14: VDDIO Ready */
#define SUPC_MR_OSCBYPASS (1 << 20) /* Bit 20: Oscillator Bypass */
#define SUPC_MR_KEY_SHIFT (24) /* Bits 24-31: Password Key */
#define SUPC_MR_KEY_MASK (0xff << SUPC_MR_KEY_SHIFT)
#define SUPC_WUMR_FWUPEN (1 << 0) /* Bit 0: Force Wake Up Enable */
#define SUPC_WUMR_SMEN (1 << 1) /* Bit 1: Supply Monitor Wake Up Enable */
#define SUPC_WUMR_RTTEN (1 << 2) /* Bit 2: Real Time Timer Wake Up Enable */
#define SUPC_WUMR_RTCEN (1 << 3) /* Bit 3: Real Time Clock Wake Up Enable */
#define SUPC_WUMR_FWUPDBC_SHIFT (8) /* Bits 8-10: Force Wake Up Debouncer */
#define SUPC_WUMR_FWUPDBC_MASK (7 << SUPC_WUMR_FWUPDBC_SHIFT)
#define SUPC_WUMR_FWUPDBC_1SCLK (0 << SUPC_WUMR_FWUPDBC_SHIFT) /* Immediate, no debouncing */
#define SUPC_WUMR_FWUPDBC_3SCLK (1 << SUPC_WUMR_FWUPDBC_SHIFT) /* FWUP at least 3 SLCK periods */
#define SUPC_WUMR_FWUPDBC_32SCLK (2 << SUPC_WUMR_FWUPDBC_SHIFT) /* FWUP at least 32 SLCK periods */
#define SUPC_WUMR_FWUPDBC_512SCLK (3 << SUPC_WUMR_FWUPDBC_SHIFT) /* FWUP at least 512 SLCK periods */
#define SUPC_WUMR_FWUPDBC_4096SCLK (4 << SUPC_WUMR_FWUPDBC_SHIFT) /* FWUP at least 4096 SLCK periods */
#define SUPC_WUMR_FWUPDBC_32768SCLK (5 << SUPC_WUMR_FWUPDBC_SHIFT) /* FWUP at least 32768 SLCK periods */
#define SUPC_WUMR_WKUPDBC_SHIFT (12) /* Bits 12-14: Wake Up Inputs Debouncer */
#define SUPC_WUMR_WKUPDBC_MASK (7 << SUPC_WUMR_WKUPDBC_SHIFT)
# define SUPC_WUMR_WKUPDBC_1SCLK (0 << SUPC_WUMR_WKUPDBC_SHIFT) /* Immediate, no debouncing */
# define SUPC_WUMR_WKUPDBC_3SCLK (1 << SUPC_WUMR_WKUPDBC_SHIFT) /* Input active at least 3 SLCK periods */
# define SUPC_WUMR_WKUPDBC_32SCLK (2 << SUPC_WUMR_WKUPDBC_SHIFT) /* Input active at least 32 SLCK periods */
# define SUPC_WUMR_WKUPDBC_512SCLK (3 << SUPC_WUMR_WKUPDBC_SHIFT) /* Input active at least 512 SLCK periods */
# define SUPC_WUMR_WKUPDBC_4096SCLK (4 << SUPC_WUMR_WKUPDBC_SHIFT) /* Input active at least 4096 SLCK periods */
# define SUPC_WUMR_WKUPDBC_32768SCLK (5 << SUPC_WUMR_WKUPDBC_SHIFT) /* Input active at least 32768 SLCK periods */
#define SUPC_WUIR_WKUPEN_SHIFT (0) /* Bits 0-15: Wake Up Input Enable 0 to 15 */
#define SUPC_WUIR_WKUPEN_MASK (0xffff << SUPC_WUIR_WKUPEN_SHIFT)
#define SUPC_WUIR_WKUPEN(n) ((1 << (n)) << SUPC_WUIR_WKUPEN_SHIFT)
#define SUPC_WUIR_WKUPT_SHIFT (16) /* Bits 16-31 Wake Up Input Transition 0 to 15 */
#define SUPC_WUIR_WKUPT_MASK (0xffff << SUPC_WUIR_WKUPT_SHIFT)
#define SUPC_WUIR_WKUPT(n) ((1 << (n)) << SUPC_WUIR_WKUPT_SHIFT)
#define SUPC_SR_FWUPS (1 << 0) /* Bit 0: FWUP Wake Up Status */
#define SUPC_SR_WKUPS (1 << 1) /* Bit 1: WKUP Wake Up Status */
#define SUPC_SR_SMWS (1 << 2) /* Bit 2: Supply Monitor Detection Wake Up Status */
#define SUPC_SR_BODRSTS (1 << 3) /* Bit 3: Brownout Detector Reset Status */
#define SUPC_SR_SMRSTS (1 << 4) /* Bit 4: Supply Monitor Reset Status */
#define SUPC_SR_SMS (1 << 5) /* Bit 5: Supply Monitor Status */
#define SUPC_SR_SMOS (1 << 6) /* Bit 6: Supply Monitor Output Status */
#define SUPC_SR_OSCSEL (1 << 7) /* Bit 7: 32-kHz Oscillator Selection Status */
#define SUPC_SR_FWUPIS (1 << 12) /* Bit 12: FWUP Input Status */
#define SUPC_SR_WKUPIS_SHIFT (16) /* Bits 16-31: WKUP Input Status 0 to 15 */
#define SUPC_SR_WKUPIS_MASK (0xffff << SUPC_SR_WKUPIS_SHIFT)
/****************************************************************************************
* Public Types
****************************************************************************************/
/****************************************************************************************
* Public Data
****************************************************************************************/
/****************************************************************************************
* Public Functions
****************************************************************************************/
#endif /* __ARCH_ARM_SRC_SAM3U_SAM3U_SUPC_H */
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