osd-contiki/cpu/mc1322x/lib/include/crm.h

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/*
* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
* to the MC1322x project (http://mc1322x.devl.org)
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
*
* This file is part of libmc1322x: see http://mc1322x.devl.org
* for details.
*
* $Id: crm.h,v 1.1 2010/06/10 14:55:39 maralvira Exp $
*/
#ifndef CRM_H
#define CRM_H
#include <types.h>
#define CRM_BASE (0x80003000)
#define CRM_SYS_CNTL ((volatile uint32_t *) (CRM_BASE+0x00))
#define CRM_WU_CNTL ((volatile uint32_t *) (CRM_BASE+0x04))
#define CRM_SLEEP_CNTL ((volatile uint32_t *) (CRM_BASE+0x08))
#define CRM_BS_CNTL ((volatile uint32_t *) (CRM_BASE+0x0c))
#define CRM_COP_CNTL ((volatile uint32_t *) (CRM_BASE+0x10))
#define CRM_COP_SERVICE ((volatile uint32_t *) (CRM_BASE+0x14))
#define CRM_STATUS ((volatile uint32_t *) (CRM_BASE+0x18))
#define CRM_MOD_STATUS ((volatile uint32_t *) (CRM_BASE+0x1c))
#define CRM_WU_COUNT ((volatile uint32_t *) (CRM_BASE+0x20))
#define CRM_WU_TIMEOUT ((volatile uint32_t *) (CRM_BASE+0x24))
#define CRM_RTC_COUNT ((volatile uint32_t *) (CRM_BASE+0x28))
#define CRM_RTC_TIMEOUT ((volatile uint32_t *) (CRM_BASE+0x2c))
#define CRM_CAL_CNTL ((volatile uint32_t *) (CRM_BASE+0x34))
#define CRM_CAL_COUNT ((volatile uint32_t *) (CRM_BASE+0x38))
#define CRM_RINGOSC_CNTL ((volatile uint32_t *) (CRM_BASE+0x3c))
#define CRM_XTAL_CNTL ((volatile uint32_t *) (CRM_BASE+0x40))
#define CRM_XTAL32_CNTL ((volatile uint32_t *) (CRM_BASE+0x44))
#define CRM_VREG_CNTL ((volatile uint32_t *) (CRM_BASE+0x48))
#define CRM_SW_RST ((volatile uint32_t *) (CRM_BASE+0x50))
/* CRM_SYS_CNTL bit locations */
#define XTAL32_EXISTS 5
/* CRM_WU_CNTL bit locations */
#define EXT_WU_IEN 20 /* 4 bits */
#define EXT_WU_EN 4 /* 4 bits */
#define EXT_WU_EDGE 8 /* 4 bits */
#define EXT_WU_POL 12 /* 4 bits */
#define TIMER_WU_EN 0
#define RTC_WU_EN 1
#define TIMER_WU_IEN 16
#define RTC_WU_IEN 17
/* CRM_STATUS bit locations */
#define EXT_WU_EVT 4 /* 4 bits, rw1c */
#define RTC_WU_EVT 3 /* rw1c */
/* RINGOSC_CNTL bit locations */
#define ROSC_CTUNE 9 /* 4 bits */
#define ROSC_FTUNE 4 /* 4 bits */
#define ROSC_EN 0
#define ring_osc_on() (set_bit(*CRM_RINGOSC_CNTL,ROSC_EN))
#define ring_osc_off() (clear_bit(*CRM_RINGOSC_CNTL,ROSC_EN))
#define REF_OSC 24000000ULL /* reference osc. frequency */
#define NOMINAL_RING_OSC_SEC 2000 /* nominal ring osc. frequency */
extern uint32_t cal_rtc_secs; /* calibrated 2khz rtc seconds */
/* XTAL32_CNTL bit locations */
#define XTAL32_GAIN 4 /* 2 bits */
#define XTAL32_EN 0
#define xtal32_on() (set_bit(*CRM_XTAL32_CNTL,XTAL32_EN))
#define xtal32_off() (clear_bit(*CRM_XTAL32_CNTL,XTAL32_EN))
#define xtal32_exists() (set_bit(*CRM_SYS_CNTL,XTAL32_EXISTS))
/* enable external wake-ups on kbi 4-7 */
/* see kbi.h for other kbi specific macros */
#define enable_ext_wu(kbi) (set_bit(*CRM_WU_CNTL,(EXT_WU_EN+kbi-4)))
#define disable_ext_wu(kbi) (clear_bit(*CRM_WU_CNTL,(EXT_WU_EN+kbi-4)))
#define is_ext_wu_evt(kbi) (bit_is_set(*CRM_STATUS,(EXT_WU_EVT+kbi-4)))
#define clear_ext_wu_evt(kbi) (set_bit(*CRM_STATUS,(EXT_WU_EVT+kbi-4))) /* r1wc bit */
/* enable wake-up timer */
#define enable_timer_wu_irq() ((set_bit(*CRM_WU_CNTL,(TIMER_WU_IEN))))
#define disable_timer_wu_irq() ((clear_bit(*CRM_WU_CNTL,(TIMER_WU_IEN))))
#define enable_timer_wu() ((set_bit(*CRM_WU_CNTL,(TIMER_WU_EN))))
#define disable_timer_wu() ((clear_bit(*CRM_WU_CNTL,(TIMER_WU_EN))))
/* enable wake-up from RTC compare */
#define enable_rtc_wu_irq() (set_bit(*CRM_WU_CNTL,RTC_WU_IEN))
#define disable_rtc_wu_irq() (clear_bit(*CRM_WU_CNTL,RTC_WU_IEN))
#define enable_rtc_wu() ((set_bit(*CRM_WU_CNTL,(RTC_WU_EN))))
#define disable_rtc_wu() ((clear_bit(*CRM_WU_CNTL,(RTC_WU_EN))))
#define clear_rtc_wu_evt() (set_bit(*CRM_STATUS,RTC_WU_EVT))
#define rtc_wu_evt() (bit_is_set(*CRM_STATUS,RTC_WU_EVT))
#define SLEEP_MODE_HIBERNATE bit(0)
#define SLEEP_MODE_DOZE bit(1)
#define SLEEP_PAD_PWR bit(7)
#define SLEEP_RETAIN_MCU bit(6)
#define sleep_ram_retain(x) (x<<4) /* 0-3 */
#define SLEEP_RAM_8K sleep_ram_retain(0)
#define SLEEP_RAM_32K sleep_ram_retain(1)
#define SLEEP_RAM_64K sleep_ram_retain(2)
#define SLEEP_RAM_96K sleep_ram_retain(3)
#define pack_XTAL_CNTL(ctune4pf, ctune, ftune, ibias) \
(*CRM_XTAL_CNTL = ((ctune4pf << 25) | (ctune << 21) | ( ftune << 16) | (ibias << 8) | 0x52))
#endif