mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_RENESAS/TARGET_RZ_A1H/pl310.c@579:53297373a894, 2015-07-01 (annotated)

Committer:
mbed_official
Date:
Wed Jul 01 09:45:11 2015 +0100
Revision:
579:53297373a894
Parent:
437:0b72c0f86db6
Child:
626:ba773d547214
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081



Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/



Initial version of drivers for SAMR21

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