Renesas / mbed-src_GR-PEACH_rev_c

Please use mbed-src instead of this library.mbed-src supports GR-PEACH rev.C. mbed-srcライブラリをご利用ください。mbed-srcはGR-PEACH rev.Cに対応しています。

Fork of mbed-src_GR-PEACH_rev_c by GR-PEACH_producer_meeting

targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/pl310.c@491:affe2fb21f3a, 2015-04-06 (annotated)

Committer:
RyoheiHagimoto
Date:
Mon Apr 06 12:35:13 2015 +0000
Revision:
491:affe2fb21f3a
Parent:
437:0b72c0f86db6 
The time-out of I2C is changed to 10ms from 1s.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 390:35c2c1cf29cd 1 /**************************************************************************//**
mbed_official 390:35c2c1cf29cd 2 * @file pl310.c
mbed_official 390:35c2c1cf29cd 3 * @brief Implementation of pl310 functions
mbed_official 390:35c2c1cf29cd 4 * @version
mbed_official 390:35c2c1cf29cd 5 * @date 11 June 2013
mbed_official 390:35c2c1cf29cd 6 *
mbed_official 390:35c2c1cf29cd 7 * @note
mbed_official 390:35c2c1cf29cd 8 *
mbed_official 390:35c2c1cf29cd 9 ******************************************************************************/
mbed_official 390:35c2c1cf29cd 10 /* Copyright (c) 2011 - 2013 ARM LIMITED
mbed_official 390:35c2c1cf29cd 11
mbed_official 390:35c2c1cf29cd 12 All rights reserved.
mbed_official 390:35c2c1cf29cd 13 Redistribution and use in source and binary forms, with or without
mbed_official 390:35c2c1cf29cd 14 modification, are permitted provided that the following conditions are met:
mbed_official 390:35c2c1cf29cd 15 - Redistributions of source code must retain the above copyright
mbed_official 390:35c2c1cf29cd 16 notice, this list of conditions and the following disclaimer.
mbed_official 390:35c2c1cf29cd 17 - Redistributions in binary form must reproduce the above copyright
mbed_official 390:35c2c1cf29cd 18 notice, this list of conditions and the following disclaimer in the
mbed_official 390:35c2c1cf29cd 19 documentation and/or other materials provided with the distribution.
mbed_official 390:35c2c1cf29cd 20 - Neither the name of ARM nor the names of its contributors may be used
mbed_official 390:35c2c1cf29cd 21 to endorse or promote products derived from this software without
mbed_official 390:35c2c1cf29cd 22 specific prior written permission.
mbed_official 390:35c2c1cf29cd 23 *
mbed_official 390:35c2c1cf29cd 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 390:35c2c1cf29cd 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 390:35c2c1cf29cd 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
mbed_official 390:35c2c1cf29cd 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
mbed_official 390:35c2c1cf29cd 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
mbed_official 390:35c2c1cf29cd 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
mbed_official 390:35c2c1cf29cd 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
mbed_official 390:35c2c1cf29cd 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
mbed_official 390:35c2c1cf29cd 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
mbed_official 390:35c2c1cf29cd 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
mbed_official 390:35c2c1cf29cd 34 POSSIBILITY OF SUCH DAMAGE.
mbed_official 390:35c2c1cf29cd 35 ---------------------------------------------------------------------------*/
mbed_official 390:35c2c1cf29cd 36 #include "MBRZA1H.h"
mbed_official 390:35c2c1cf29cd 37
mbed_official 390:35c2c1cf29cd 38 //Cache Sync operation
mbed_official 390:35c2c1cf29cd 39 void PL310_Sync(void)
mbed_official 390:35c2c1cf29cd 40 {
mbed_official 390:35c2c1cf29cd 41 PL310->CACHE_SYNC = 0x0;
mbed_official 390:35c2c1cf29cd 42 }
mbed_official 390:35c2c1cf29cd 43
mbed_official 390:35c2c1cf29cd 44 //return Cache controller cache ID
mbed_official 390:35c2c1cf29cd 45 int PL310_GetID (void)
mbed_official 390:35c2c1cf29cd 46 {
mbed_official 390:35c2c1cf29cd 47 return PL310->CACHE_ID;
mbed_official 390:35c2c1cf29cd 48 }
mbed_official 390:35c2c1cf29cd 49
mbed_official 390:35c2c1cf29cd 50 //return Cache controller cache Type
mbed_official 390:35c2c1cf29cd 51 int PL310_GetType (void)
mbed_official 390:35c2c1cf29cd 52 {
mbed_official 390:35c2c1cf29cd 53 return PL310->CACHE_TYPE;
mbed_official 390:35c2c1cf29cd 54 }
mbed_official 390:35c2c1cf29cd 55
mbed_official 390:35c2c1cf29cd 56 //Invalidate all cache by way
mbed_official 390:35c2c1cf29cd 57 void PL310_InvAllByWay (void)
mbed_official 390:35c2c1cf29cd 58 {
mbed_official 390:35c2c1cf29cd 59 unsigned int assoc;
mbed_official 390:35c2c1cf29cd 60
mbed_official 390:35c2c1cf29cd 61 if (PL310->AUX_CNT & (1<<16))
mbed_official 390:35c2c1cf29cd 62 assoc = 16;
mbed_official 390:35c2c1cf29cd 63 else
mbed_official 390:35c2c1cf29cd 64 assoc = 8;
mbed_official 390:35c2c1cf29cd 65
mbed_official 390:35c2c1cf29cd 66 PL310->INV_WAY = (1 << assoc) - 1;
mbed_official 437:0b72c0f86db6 67 while(PL310->INV_WAY & ((1 << assoc) - 1)); //poll invalidate
mbed_official 390:35c2c1cf29cd 68
mbed_official 390:35c2c1cf29cd 69 PL310_Sync();
mbed_official 390:35c2c1cf29cd 70 }
mbed_official 390:35c2c1cf29cd 71
mbed_official 390:35c2c1cf29cd 72 //Clean and Invalidate all cache by way
mbed_official 390:35c2c1cf29cd 73 void PL310_CleanInvAllByWay (void)
mbed_official 390:35c2c1cf29cd 74 {
mbed_official 390:35c2c1cf29cd 75 unsigned int assoc;
mbed_official 390:35c2c1cf29cd 76
mbed_official 390:35c2c1cf29cd 77 if (PL310->AUX_CNT & (1<<16))
mbed_official 390:35c2c1cf29cd 78 assoc = 16;
mbed_official 390:35c2c1cf29cd 79 else
mbed_official 390:35c2c1cf29cd 80 assoc = 8;
mbed_official 390:35c2c1cf29cd 81
mbed_official 390:35c2c1cf29cd 82 PL310->CLEAN_INV_WAY = (1 << assoc) - 1;
mbed_official 390:35c2c1cf29cd 83 while(PL310->CLEAN_INV_WAY && ((1 << assoc) - 1)); //poll invalidate
mbed_official 390:35c2c1cf29cd 84
mbed_official 390:35c2c1cf29cd 85 PL310_Sync();
mbed_official 390:35c2c1cf29cd 86 }
mbed_official 390:35c2c1cf29cd 87
mbed_official 390:35c2c1cf29cd 88 //Enable Cache
mbed_official 390:35c2c1cf29cd 89 void PL310_Enable(void)
mbed_official 390:35c2c1cf29cd 90 {
mbed_official 390:35c2c1cf29cd 91 PL310->CONTROL = 0;
mbed_official 437:0b72c0f86db6 92 PL310->INTERRUPT_CLEAR = 0x000001FFuL;
mbed_official 390:35c2c1cf29cd 93 PL310->DEBUG_CONTROL = 0;
mbed_official 390:35c2c1cf29cd 94 PL310->DATA_LOCK_0_WAY = 0;
mbed_official 390:35c2c1cf29cd 95 PL310->CACHE_SYNC = 0;
mbed_official 390:35c2c1cf29cd 96
mbed_official 390:35c2c1cf29cd 97 PL310->CONTROL = 0x01;
mbed_official 390:35c2c1cf29cd 98 PL310_Sync();
mbed_official 390:35c2c1cf29cd 99 }
mbed_official 390:35c2c1cf29cd 100 //Disable Cache
mbed_official 390:35c2c1cf29cd 101 void PL310_Disable(void)
mbed_official 390:35c2c1cf29cd 102 {
mbed_official 390:35c2c1cf29cd 103 PL310->CONTROL = 0x00;
mbed_official 390:35c2c1cf29cd 104 PL310_Sync();
mbed_official 390:35c2c1cf29cd 105 }
mbed_official 390:35c2c1cf29cd 106
mbed_official 390:35c2c1cf29cd 107 //Invalidate cache by physical address
mbed_official 390:35c2c1cf29cd 108 void PL310_InvPa (void *pa)
mbed_official 390:35c2c1cf29cd 109 {
mbed_official 390:35c2c1cf29cd 110 PL310->INV_LINE_PA = (unsigned int)pa;
mbed_official 390:35c2c1cf29cd 111 PL310_Sync();
mbed_official 390:35c2c1cf29cd 112 }
mbed_official 390:35c2c1cf29cd 113
mbed_official 390:35c2c1cf29cd 114 //Clean cache by physical address
mbed_official 390:35c2c1cf29cd 115 void PL310_CleanPa (void *pa)
mbed_official 390:35c2c1cf29cd 116 {
mbed_official 390:35c2c1cf29cd 117 PL310->CLEAN_LINE_PA = (unsigned int)pa;
mbed_official 390:35c2c1cf29cd 118 PL310_Sync();
mbed_official 390:35c2c1cf29cd 119 }
mbed_official 390:35c2c1cf29cd 120
mbed_official 390:35c2c1cf29cd 121 //Clean and invalidate cache by physical address
mbed_official 390:35c2c1cf29cd 122 void PL310_CleanInvPa (void *pa)
mbed_official 390:35c2c1cf29cd 123 {
mbed_official 390:35c2c1cf29cd 124 PL310->CLEAN_INV_LINE_PA = (unsigned int)pa;
mbed_official 390:35c2c1cf29cd 125 PL310_Sync();
mbed_official 390:35c2c1cf29cd 126 }
mbed_official 390:35c2c1cf29cd 127
mbed_official 390:35c2c1cf29cd 128