Daiki Kato / mbed-os-lychee

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Dependents:   mbed-os-example-blinky-gr-lychee GR-Boads_Camera_sample GR-Boards_Audio_Recoder GR-Boads_Camera_DisplayApp ... more

targets/TARGET_RENESAS/TARGET_RZA1XX/common/pl310.c@0:f782d9c66c49, 2018-02-02 (annotated)

Committer:
dkato
Date:
Fri Feb 02 05:42:23 2018 +0000
Revision:
0:f782d9c66c49
mbed-os for GR-LYCHEE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dkato 0:f782d9c66c49 1 /**************************************************************************//**
dkato 0:f782d9c66c49 2 * @file pl310.c
dkato 0:f782d9c66c49 3 * @brief Implementation of PL310 PrimeCell Level 2 Cache Controller functions
dkato 0:f782d9c66c49 4 * @version
dkato 0:f782d9c66c49 5 * @date 3 December 2014
dkato 0:f782d9c66c49 6 *
dkato 0:f782d9c66c49 7 * @note
dkato 0:f782d9c66c49 8 *
dkato 0:f782d9c66c49 9 ******************************************************************************/
dkato 0:f782d9c66c49 10 /* Copyright (c) 2011 - 2013 ARM LIMITED
dkato 0:f782d9c66c49 11
dkato 0:f782d9c66c49 12 All rights reserved.
dkato 0:f782d9c66c49 13 Redistribution and use in source and binary forms, with or without
dkato 0:f782d9c66c49 14 modification, are permitted provided that the following conditions are met:
dkato 0:f782d9c66c49 15 - Redistributions of source code must retain the above copyright
dkato 0:f782d9c66c49 16 notice, this list of conditions and the following disclaimer.
dkato 0:f782d9c66c49 17 - Redistributions in binary form must reproduce the above copyright
dkato 0:f782d9c66c49 18 notice, this list of conditions and the following disclaimer in the
dkato 0:f782d9c66c49 19 documentation and/or other materials provided with the distribution.
dkato 0:f782d9c66c49 20 - Neither the name of ARM nor the names of its contributors may be used
dkato 0:f782d9c66c49 21 to endorse or promote products derived from this software without
dkato 0:f782d9c66c49 22 specific prior written permission.
dkato 0:f782d9c66c49 23 *
dkato 0:f782d9c66c49 24 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
dkato 0:f782d9c66c49 25 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
dkato 0:f782d9c66c49 26 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
dkato 0:f782d9c66c49 27 ARE DISCLAIMED. IN NO EVENT SHALL COPYRIGHT HOLDERS AND CONTRIBUTORS BE
dkato 0:f782d9c66c49 28 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
dkato 0:f782d9c66c49 29 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
dkato 0:f782d9c66c49 30 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
dkato 0:f782d9c66c49 31 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
dkato 0:f782d9c66c49 32 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
dkato 0:f782d9c66c49 33 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
dkato 0:f782d9c66c49 34 POSSIBILITY OF SUCH DAMAGE.
dkato 0:f782d9c66c49 35 ---------------------------------------------------------------------------*/
dkato 0:f782d9c66c49 36 #include "cmsis.h"
dkato 0:f782d9c66c49 37
dkato 0:f782d9c66c49 38 //Cache Sync operation
dkato 0:f782d9c66c49 39 void PL310_Sync(void)
dkato 0:f782d9c66c49 40 {
dkato 0:f782d9c66c49 41 PL310->CACHE_SYNC = 0x0;
dkato 0:f782d9c66c49 42 }
dkato 0:f782d9c66c49 43
dkato 0:f782d9c66c49 44 //return Cache controller cache ID
dkato 0:f782d9c66c49 45 int PL310_GetID (void)
dkato 0:f782d9c66c49 46 {
dkato 0:f782d9c66c49 47 return PL310->CACHE_ID;
dkato 0:f782d9c66c49 48 }
dkato 0:f782d9c66c49 49
dkato 0:f782d9c66c49 50 //return Cache controller cache Type
dkato 0:f782d9c66c49 51 int PL310_GetType (void)
dkato 0:f782d9c66c49 52 {
dkato 0:f782d9c66c49 53 return PL310->CACHE_TYPE;
dkato 0:f782d9c66c49 54 }
dkato 0:f782d9c66c49 55
dkato 0:f782d9c66c49 56 //Invalidate all cache by way
dkato 0:f782d9c66c49 57 void PL310_InvAllByWay (void)
dkato 0:f782d9c66c49 58 {
dkato 0:f782d9c66c49 59 unsigned int assoc;
dkato 0:f782d9c66c49 60
dkato 0:f782d9c66c49 61 if (PL310->AUX_CNT & (1<<16))
dkato 0:f782d9c66c49 62 assoc = 16;
dkato 0:f782d9c66c49 63 else
dkato 0:f782d9c66c49 64 assoc = 8;
dkato 0:f782d9c66c49 65
dkato 0:f782d9c66c49 66 PL310->INV_WAY = (1 << assoc) - 1;
dkato 0:f782d9c66c49 67 while(PL310->INV_WAY & ((1 << assoc) - 1)); //poll invalidate
dkato 0:f782d9c66c49 68
dkato 0:f782d9c66c49 69 PL310_Sync();
dkato 0:f782d9c66c49 70 }
dkato 0:f782d9c66c49 71
dkato 0:f782d9c66c49 72 //Clean and Invalidate all cache by way
dkato 0:f782d9c66c49 73 void PL310_CleanInvAllByWay (void)
dkato 0:f782d9c66c49 74 {
dkato 0:f782d9c66c49 75 unsigned int assoc;
dkato 0:f782d9c66c49 76
dkato 0:f782d9c66c49 77 if (PL310->AUX_CNT & (1<<16))
dkato 0:f782d9c66c49 78 assoc = 16;
dkato 0:f782d9c66c49 79 else
dkato 0:f782d9c66c49 80 assoc = 8;
dkato 0:f782d9c66c49 81
dkato 0:f782d9c66c49 82 PL310->CLEAN_INV_WAY = (1 << assoc) - 1;
dkato 0:f782d9c66c49 83 while(PL310->CLEAN_INV_WAY & ((1 << assoc) - 1)); //poll invalidate
dkato 0:f782d9c66c49 84
dkato 0:f782d9c66c49 85 PL310_Sync();
dkato 0:f782d9c66c49 86 }
dkato 0:f782d9c66c49 87
dkato 0:f782d9c66c49 88 //Enable Cache
dkato 0:f782d9c66c49 89 void PL310_Enable(void)
dkato 0:f782d9c66c49 90 {
dkato 0:f782d9c66c49 91 PL310->CONTROL = 0;
dkato 0:f782d9c66c49 92 PL310->INTERRUPT_CLEAR = 0x000001FFuL;
dkato 0:f782d9c66c49 93 PL310->DEBUG_CONTROL = 0;
dkato 0:f782d9c66c49 94 PL310->DATA_LOCK_0_WAY = 0;
dkato 0:f782d9c66c49 95 PL310->CACHE_SYNC = 0;
dkato 0:f782d9c66c49 96
dkato 0:f782d9c66c49 97 PL310->CONTROL = 0x01;
dkato 0:f782d9c66c49 98 PL310_Sync();
dkato 0:f782d9c66c49 99 }
dkato 0:f782d9c66c49 100 //Disable Cache
dkato 0:f782d9c66c49 101 void PL310_Disable(void)
dkato 0:f782d9c66c49 102 {
dkato 0:f782d9c66c49 103 PL310->CONTROL = 0x00;
dkato 0:f782d9c66c49 104 PL310_Sync();
dkato 0:f782d9c66c49 105 }
dkato 0:f782d9c66c49 106
dkato 0:f782d9c66c49 107 //Invalidate cache by physical address
dkato 0:f782d9c66c49 108 void PL310_InvPa (void *pa)
dkato 0:f782d9c66c49 109 {
dkato 0:f782d9c66c49 110 PL310->INV_LINE_PA = (unsigned int)pa;
dkato 0:f782d9c66c49 111 PL310_Sync();
dkato 0:f782d9c66c49 112 }
dkato 0:f782d9c66c49 113
dkato 0:f782d9c66c49 114 //Clean cache by physical address
dkato 0:f782d9c66c49 115 void PL310_CleanPa (void *pa)
dkato 0:f782d9c66c49 116 {
dkato 0:f782d9c66c49 117 PL310->CLEAN_LINE_PA = (unsigned int)pa;
dkato 0:f782d9c66c49 118 PL310_Sync();
dkato 0:f782d9c66c49 119 }
dkato 0:f782d9c66c49 120
dkato 0:f782d9c66c49 121 //Clean and invalidate cache by physical address
dkato 0:f782d9c66c49 122 void PL310_CleanInvPa (void *pa)
dkato 0:f782d9c66c49 123 {
dkato 0:f782d9c66c49 124 PL310->CLEAN_INV_LINE_PA = (unsigned int)pa;
dkato 0:f782d9c66c49 125 PL310_Sync();
dkato 0:f782d9c66c49 126 }
dkato 0:f782d9c66c49 127
dkato 0:f782d9c66c49 128