Elijah Stanger-Jones / mbed-dev-f303

test

targets/TARGET_Maxim/TARGET_MAX32630/mxc/icc.c@2:4364577b5ad8, 2020-11-09 (annotated)

Committer:
elijahsj
Date:
Mon Nov 09 00:33:19 2020 -0500
Revision:
2:4364577b5ad8
Parent:
1:8a094db1347f 
copied mbed library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elijahsj 1:8a094db1347f 1 /**
elijahsj 1:8a094db1347f 2 * @file
elijahsj 1:8a094db1347f 3 * @brief This file contains the function implementations for the
elijahsj 1:8a094db1347f 4 * Instruction Cache Controller.
elijahsj 1:8a094db1347f 5 */
elijahsj 1:8a094db1347f 6
elijahsj 1:8a094db1347f 7 /* ****************************************************************************
elijahsj 1:8a094db1347f 8 * Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
elijahsj 1:8a094db1347f 9 *
elijahsj 1:8a094db1347f 10 * Permission is hereby granted, free of charge, to any person obtaining a
elijahsj 1:8a094db1347f 11 * copy of this software and associated documentation files (the "Software"),
elijahsj 1:8a094db1347f 12 * to deal in the Software without restriction, including without limitation
elijahsj 1:8a094db1347f 13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
elijahsj 1:8a094db1347f 14 * and/or sell copies of the Software, and to permit persons to whom the
elijahsj 1:8a094db1347f 15 * Software is furnished to do so, subject to the following conditions:
elijahsj 1:8a094db1347f 16 *
elijahsj 1:8a094db1347f 17 * The above copyright notice and this permission notice shall be included
elijahsj 1:8a094db1347f 18 * in all copies or substantial portions of the Software.
elijahsj 1:8a094db1347f 19 *
elijahsj 1:8a094db1347f 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
elijahsj 1:8a094db1347f 21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
elijahsj 1:8a094db1347f 22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
elijahsj 1:8a094db1347f 23 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
elijahsj 1:8a094db1347f 24 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
elijahsj 1:8a094db1347f 25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
elijahsj 1:8a094db1347f 26 * OTHER DEALINGS IN THE SOFTWARE.
elijahsj 1:8a094db1347f 27 *
elijahsj 1:8a094db1347f 28 * Except as contained in this notice, the name of Maxim Integrated
elijahsj 1:8a094db1347f 29 * Products, Inc. shall not be used except as stated in the Maxim Integrated
elijahsj 1:8a094db1347f 30 * Products, Inc. Branding Policy.
elijahsj 1:8a094db1347f 31 *
elijahsj 1:8a094db1347f 32 * The mere transfer of this software does not imply any licenses
elijahsj 1:8a094db1347f 33 * of trade secrets, proprietary technology, copyrights, patents,
elijahsj 1:8a094db1347f 34 * trademarks, maskwork rights, or any other form of intellectual
elijahsj 1:8a094db1347f 35 * property whatsoever. Maxim Integrated Products, Inc. retains all
elijahsj 1:8a094db1347f 36 * ownership rights.
elijahsj 1:8a094db1347f 37 *
elijahsj 1:8a094db1347f 38 * $Date: 2016-09-08 17:45:25 -0500 (Thu, 08 Sep 2016) $
elijahsj 1:8a094db1347f 39 * $Revision: 24331 $
elijahsj 1:8a094db1347f 40 *
elijahsj 1:8a094db1347f 41 *************************************************************************** */
elijahsj 1:8a094db1347f 42
elijahsj 1:8a094db1347f 43
elijahsj 1:8a094db1347f 44 /* **** Includes **** */
elijahsj 1:8a094db1347f 45 #include "mxc_config.h"
elijahsj 1:8a094db1347f 46 #include "icc.h"
elijahsj 1:8a094db1347f 47 /**
elijahsj 1:8a094db1347f 48 * @ingroup icc
elijahsj 1:8a094db1347f 49 * @{
elijahsj 1:8a094db1347f 50 */
elijahsj 1:8a094db1347f 51
elijahsj 1:8a094db1347f 52 /* **** Definitions **** */
elijahsj 1:8a094db1347f 53
elijahsj 1:8a094db1347f 54 /* **** Globals **** */
elijahsj 1:8a094db1347f 55
elijahsj 1:8a094db1347f 56 /* **** Functions **** */
elijahsj 1:8a094db1347f 57
elijahsj 1:8a094db1347f 58 /* ************************************************************************* */
elijahsj 1:8a094db1347f 59 void ICC_Enable(void)
elijahsj 1:8a094db1347f 60 {
elijahsj 1:8a094db1347f 61 /* Invalidate cache and wait until ready */
elijahsj 1:8a094db1347f 62 MXC_ICC->invdt_all = 1;
elijahsj 1:8a094db1347f 63 while (!(MXC_ICC->ctrl_stat & MXC_F_ICC_CTRL_STAT_READY));
elijahsj 1:8a094db1347f 64
elijahsj 1:8a094db1347f 65 /* Enable cache */
elijahsj 1:8a094db1347f 66 MXC_ICC->ctrl_stat |= MXC_F_ICC_CTRL_STAT_ENABLE;
elijahsj 1:8a094db1347f 67
elijahsj 1:8a094db1347f 68 /* Must invalidate a second time for proper use */
elijahsj 1:8a094db1347f 69 MXC_ICC->invdt_all = 1;
elijahsj 1:8a094db1347f 70 }
elijahsj 1:8a094db1347f 71
elijahsj 1:8a094db1347f 72 /* ************************************************************************* */
elijahsj 1:8a094db1347f 73 void ICC_Disable(void)
elijahsj 1:8a094db1347f 74 {
elijahsj 1:8a094db1347f 75 MXC_ICC->ctrl_stat &= ~MXC_F_ICC_CTRL_STAT_ENABLE;
elijahsj 1:8a094db1347f 76 }
elijahsj 1:8a094db1347f 77 /**@} end of group icc */