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targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/pl310.c@144:ef7eb2e8f9f7, 2016-09-02 (annotated)

Committer:
<>
Date:
Fri Sep 02 15:07:44 2016 +0100
Revision:
144:ef7eb2e8f9f7
Parent:
0:9b334a45a8ff 
This updates the lib to the mbed lib v125

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**************************************************************************//**
<> 144:ef7eb2e8f9f7 2 * @file pl310.c
<> 144:ef7eb2e8f9f7 3 * @brief Implementation of PL310 PrimeCell Level 2 Cache Controller functions
<> 144:ef7eb2e8f9f7 4 * @version
<> 144:ef7eb2e8f9f7 5 * @date 3 December 2014
<> 144:ef7eb2e8f9f7 6 *
<> 144:ef7eb2e8f9f7 7 * @note
<> 144:ef7eb2e8f9f7 8 *
<> 144:ef7eb2e8f9f7 9 ******************************************************************************/
<> 144:ef7eb2e8f9f7 10 /* Copyright (c) 2011 - 2013 ARM LIMITED
<> 144:ef7eb2e8f9f7 11
<> 144:ef7eb2e8f9f7 12 All rights reserved.
<> 144:ef7eb2e8f9f7 13 Redistribution and use in source and binary forms, with or without
<> 144:ef7eb2e8f9f7 14 modification, are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 15 - Redistributions of source code must retain the above copyright
<> 144:ef7eb2e8f9f7 16 notice, this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 17 - Redistributions in binary form must reproduce the above copyright
<> 144:ef7eb2e8f9f7 18 notice, this list of conditions and the following disclaimer in the
<> 144:ef7eb2e8f9f7 19 documentation and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 20 - Neither the name of ARM nor the names of its contributors may be used
<> 144:ef7eb2e8f9f7 21 to endorse or promote products derived from this software without
<> 144:ef7eb2e8f9f7 22 specific prior written permission.
<> 144:ef7eb2e8f9f7 23 *
<> 144:ef7eb2e8f9f7 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
<> 144:ef7eb2e8f9f7 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
<> 144:ef7eb2e8f9f7 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
<> 144:ef7eb2e8f9f7 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
<> 144:ef7eb2e8f9f7 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
<> 144:ef7eb2e8f9f7 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
<> 144:ef7eb2e8f9f7 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
<> 144:ef7eb2e8f9f7 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
<> 144:ef7eb2e8f9f7 34 POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 35 ---------------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 36 #include "MBRZA1H.h"
<> 144:ef7eb2e8f9f7 37
<> 144:ef7eb2e8f9f7 38 //Cache Sync operation
<> 144:ef7eb2e8f9f7 39 void PL310_Sync(void)
<> 144:ef7eb2e8f9f7 40 {
<> 144:ef7eb2e8f9f7 41 PL310->CACHE_SYNC = 0x0;
<> 144:ef7eb2e8f9f7 42 }
<> 144:ef7eb2e8f9f7 43
<> 144:ef7eb2e8f9f7 44 //return Cache controller cache ID
<> 144:ef7eb2e8f9f7 45 int PL310_GetID (void)
<> 144:ef7eb2e8f9f7 46 {
<> 144:ef7eb2e8f9f7 47 return PL310->CACHE_ID;
<> 144:ef7eb2e8f9f7 48 }
<> 144:ef7eb2e8f9f7 49
<> 144:ef7eb2e8f9f7 50 //return Cache controller cache Type
<> 144:ef7eb2e8f9f7 51 int PL310_GetType (void)
<> 144:ef7eb2e8f9f7 52 {
<> 144:ef7eb2e8f9f7 53 return PL310->CACHE_TYPE;
<> 144:ef7eb2e8f9f7 54 }
<> 144:ef7eb2e8f9f7 55
<> 144:ef7eb2e8f9f7 56 //Invalidate all cache by way
<> 144:ef7eb2e8f9f7 57 void PL310_InvAllByWay (void)
<> 144:ef7eb2e8f9f7 58 {
<> 144:ef7eb2e8f9f7 59 unsigned int assoc;
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 if (PL310->AUX_CNT & (1<<16))
<> 144:ef7eb2e8f9f7 62 assoc = 16;
<> 144:ef7eb2e8f9f7 63 else
<> 144:ef7eb2e8f9f7 64 assoc = 8;
<> 144:ef7eb2e8f9f7 65
<> 144:ef7eb2e8f9f7 66 PL310->INV_WAY = (1 << assoc) - 1;
<> 144:ef7eb2e8f9f7 67 while(PL310->INV_WAY & ((1 << assoc) - 1)); //poll invalidate
<> 144:ef7eb2e8f9f7 68
<> 144:ef7eb2e8f9f7 69 PL310_Sync();
<> 144:ef7eb2e8f9f7 70 }
<> 144:ef7eb2e8f9f7 71
<> 144:ef7eb2e8f9f7 72 //Clean and Invalidate all cache by way
<> 144:ef7eb2e8f9f7 73 void PL310_CleanInvAllByWay (void)
<> 144:ef7eb2e8f9f7 74 {
<> 144:ef7eb2e8f9f7 75 unsigned int assoc;
<> 144:ef7eb2e8f9f7 76
<> 144:ef7eb2e8f9f7 77 if (PL310->AUX_CNT & (1<<16))
<> 144:ef7eb2e8f9f7 78 assoc = 16;
<> 144:ef7eb2e8f9f7 79 else
<> 144:ef7eb2e8f9f7 80 assoc = 8;
<> 144:ef7eb2e8f9f7 81
<> 144:ef7eb2e8f9f7 82 PL310->CLEAN_INV_WAY = (1 << assoc) - 1;
<> 144:ef7eb2e8f9f7 83 while(PL310->CLEAN_INV_WAY & ((1 << assoc) - 1)); //poll invalidate
<> 144:ef7eb2e8f9f7 84
<> 144:ef7eb2e8f9f7 85 PL310_Sync();
<> 144:ef7eb2e8f9f7 86 }
<> 144:ef7eb2e8f9f7 87
<> 144:ef7eb2e8f9f7 88 //Enable Cache
<> 144:ef7eb2e8f9f7 89 void PL310_Enable(void)
<> 144:ef7eb2e8f9f7 90 {
<> 144:ef7eb2e8f9f7 91 PL310->CONTROL = 0;
<> 144:ef7eb2e8f9f7 92 PL310->INTERRUPT_CLEAR = 0x000001FFuL;
<> 144:ef7eb2e8f9f7 93 PL310->DEBUG_CONTROL = 0;
<> 144:ef7eb2e8f9f7 94 PL310->DATA_LOCK_0_WAY = 0;
<> 144:ef7eb2e8f9f7 95 PL310->CACHE_SYNC = 0;
<> 144:ef7eb2e8f9f7 96
<> 144:ef7eb2e8f9f7 97 PL310->CONTROL = 0x01;
<> 144:ef7eb2e8f9f7 98 PL310_Sync();
<> 144:ef7eb2e8f9f7 99 }
<> 144:ef7eb2e8f9f7 100 //Disable Cache
<> 144:ef7eb2e8f9f7 101 void PL310_Disable(void)
<> 144:ef7eb2e8f9f7 102 {
<> 144:ef7eb2e8f9f7 103 PL310->CONTROL = 0x00;
<> 144:ef7eb2e8f9f7 104 PL310_Sync();
<> 144:ef7eb2e8f9f7 105 }
<> 144:ef7eb2e8f9f7 106
<> 144:ef7eb2e8f9f7 107 //Invalidate cache by physical address
<> 144:ef7eb2e8f9f7 108 void PL310_InvPa (void *pa)
<> 144:ef7eb2e8f9f7 109 {
<> 144:ef7eb2e8f9f7 110 PL310->INV_LINE_PA = (unsigned int)pa;
<> 144:ef7eb2e8f9f7 111 PL310_Sync();
<> 144:ef7eb2e8f9f7 112 }
<> 144:ef7eb2e8f9f7 113
<> 144:ef7eb2e8f9f7 114 //Clean cache by physical address
<> 144:ef7eb2e8f9f7 115 void PL310_CleanPa (void *pa)
<> 144:ef7eb2e8f9f7 116 {
<> 144:ef7eb2e8f9f7 117 PL310->CLEAN_LINE_PA = (unsigned int)pa;
<> 144:ef7eb2e8f9f7 118 PL310_Sync();
<> 144:ef7eb2e8f9f7 119 }
<> 144:ef7eb2e8f9f7 120
<> 144:ef7eb2e8f9f7 121 //Clean and invalidate cache by physical address
<> 144:ef7eb2e8f9f7 122 void PL310_CleanInvPa (void *pa)
<> 144:ef7eb2e8f9f7 123 {
<> 144:ef7eb2e8f9f7 124 PL310->CLEAN_INV_LINE_PA = (unsigned int)pa;
<> 144:ef7eb2e8f9f7 125 PL310_Sync();
<> 144:ef7eb2e8f9f7 126 }
<> 144:ef7eb2e8f9f7 127
<> 144:ef7eb2e8f9f7 128