139 lines
5.8 KiB
C
139 lines
5.8 KiB
C
/*
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* Copyright (c) 2010, Mariano Alvira <mar@devl.org> and other contributors
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* to the MC1322x project (http://mc1322x.devl.org)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of libmc1322x: see http://mc1322x.devl.org
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* for details.
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*
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* $Id$
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*/
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#ifndef CRM_H
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#define CRM_H
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#include <types.h>
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#define CRM_BASE (0x80003000)
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#define CRM_SYS_CNTL ((volatile uint32_t *) (CRM_BASE+0x00))
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#define CRM_WU_CNTL ((volatile uint32_t *) (CRM_BASE+0x04))
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#define CRM_SLEEP_CNTL ((volatile uint32_t *) (CRM_BASE+0x08))
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#define CRM_BS_CNTL ((volatile uint32_t *) (CRM_BASE+0x0c))
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#define CRM_COP_CNTL ((volatile uint32_t *) (CRM_BASE+0x10))
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#define CRM_COP_SERVICE ((volatile uint32_t *) (CRM_BASE+0x14))
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#define CRM_STATUS ((volatile uint32_t *) (CRM_BASE+0x18))
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#define CRM_MOD_STATUS ((volatile uint32_t *) (CRM_BASE+0x1c))
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#define CRM_WU_COUNT ((volatile uint32_t *) (CRM_BASE+0x20))
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#define CRM_WU_TIMEOUT ((volatile uint32_t *) (CRM_BASE+0x24))
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#define CRM_RTC_COUNT ((volatile uint32_t *) (CRM_BASE+0x28))
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#define CRM_RTC_TIMEOUT ((volatile uint32_t *) (CRM_BASE+0x2c))
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#define CRM_CAL_CNTL ((volatile uint32_t *) (CRM_BASE+0x34))
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#define CRM_CAL_COUNT ((volatile uint32_t *) (CRM_BASE+0x38))
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#define CRM_RINGOSC_CNTL ((volatile uint32_t *) (CRM_BASE+0x3c))
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#define CRM_XTAL_CNTL ((volatile uint32_t *) (CRM_BASE+0x40))
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#define CRM_XTAL32_CNTL ((volatile uint32_t *) (CRM_BASE+0x44))
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#define CRM_VREG_CNTL ((volatile uint32_t *) (CRM_BASE+0x48))
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#define CRM_SW_RST ((volatile uint32_t *) (CRM_BASE+0x50))
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/* CRM_SYS_CNTL bit locations */
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#define XTAL32_EXISTS 5
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/* CRM_WU_CNTL bit locations */
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#define EXT_WU_IEN 20 /* 4 bits */
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#define EXT_WU_EN 4 /* 4 bits */
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#define EXT_WU_EDGE 8 /* 4 bits */
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#define EXT_WU_POL 12 /* 4 bits */
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#define TIMER_WU_EN 0
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#define RTC_WU_EN 1
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#define TIMER_WU_IEN 16
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#define RTC_WU_IEN 17
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/* CRM_STATUS bit locations */
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#define EXT_WU_EVT 4 /* 4 bits, rw1c */
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#define RTC_WU_EVT 3 /* rw1c */
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/* RINGOSC_CNTL bit locations */
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#define ROSC_CTUNE 9 /* 4 bits */
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#define ROSC_FTUNE 4 /* 4 bits */
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#define ROSC_EN 0
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#define ring_osc_on() (set_bit(*CRM_RINGOSC_CNTL,ROSC_EN))
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#define ring_osc_off() (clear_bit(*CRM_RINGOSC_CNTL,ROSC_EN))
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#define REF_OSC 24000000ULL /* reference osc. frequency */
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#define NOMINAL_RING_OSC_SEC 2000 /* nominal ring osc. frequency */
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//extern uint32_t cal_rtc_secs; /* calibrated 2khz rtc seconds */
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/* XTAL32_CNTL bit locations */
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#define XTAL32_GAIN 4 /* 2 bits */
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#define XTAL32_EN 0
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#define xtal32_on() (set_bit(*CRM_XTAL32_CNTL,XTAL32_EN))
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#define xtal32_off() (clear_bit(*CRM_XTAL32_CNTL,XTAL32_EN))
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#define xtal32_exists() (set_bit(*CRM_SYS_CNTL,XTAL32_EXISTS))
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/* enable external wake-ups on kbi 4-7 */
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/* see kbi.h for other kbi specific macros */
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#define enable_ext_wu(kbi) (set_bit(*CRM_WU_CNTL,(EXT_WU_EN+kbi-4)))
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#define disable_ext_wu(kbi) (clear_bit(*CRM_WU_CNTL,(EXT_WU_EN+kbi-4)))
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#define is_ext_wu_evt(kbi) (bit_is_set(*CRM_STATUS,(EXT_WU_EVT+kbi-4)))
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#define clear_ext_wu_evt(kbi) (set_bit(*CRM_STATUS,(EXT_WU_EVT+kbi-4))) /* r1wc bit */
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/* enable wake-up timer */
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#define enable_timer_wu_irq() ((set_bit(*CRM_WU_CNTL,(TIMER_WU_IEN))))
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#define disable_timer_wu_irq() ((clear_bit(*CRM_WU_CNTL,(TIMER_WU_IEN))))
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#define enable_timer_wu() ((set_bit(*CRM_WU_CNTL,(TIMER_WU_EN))))
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#define disable_timer_wu() ((clear_bit(*CRM_WU_CNTL,(TIMER_WU_EN))))
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/* enable wake-up from RTC compare */
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#define enable_rtc_wu_irq() (set_bit(*CRM_WU_CNTL,RTC_WU_IEN))
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#define disable_rtc_wu_irq() (clear_bit(*CRM_WU_CNTL,RTC_WU_IEN))
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#define enable_rtc_wu() ((set_bit(*CRM_WU_CNTL,(RTC_WU_EN))))
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#define disable_rtc_wu() ((clear_bit(*CRM_WU_CNTL,(RTC_WU_EN))))
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#define clear_rtc_wu_evt() (set_bit(*CRM_STATUS,RTC_WU_EVT))
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#define rtc_wu_evt() (bit_is_set(*CRM_STATUS,RTC_WU_EVT))
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#define SLEEP_MODE_HIBERNATE bit(0)
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#define SLEEP_MODE_DOZE bit(1)
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#define SLEEP_PAD_PWR bit(7)
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#define SLEEP_RETAIN_MCU bit(6)
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#define sleep_ram_retain(x) (x<<4) /* 0-3 */
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#define SLEEP_RAM_8K sleep_ram_retain(0)
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#define SLEEP_RAM_32K sleep_ram_retain(1)
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#define SLEEP_RAM_64K sleep_ram_retain(2)
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#define SLEEP_RAM_96K sleep_ram_retain(3)
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#define pack_XTAL_CNTL(ctune4pf, ctune, ftune, ibias) \
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(*CRM_XTAL_CNTL = ((ctune4pf << 25) | (ctune << 21) | ( ftune << 16) | (ibias << 8) | 0x52))
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#endif
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