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stm32: flash: pull out i/d cache support.

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This commit is contained in:
Karl Palsson
2018-07-17 15:34:53 +00:00
parent 2bf7eb4a0c
commit 7a27795d8c
9 changed files with 120 additions and 129 deletions
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63
lib/stm32/common/flash_common_f24.c
View File

@@ -41,69 +41,6 @@ static inline void flash_set_program_size(uint32_t psize)
FLASH_CR |= psize << FLASH_CR_PROGRAM_SHIFT;
}
/*---------------------------------------------------------------------------*/
/** @brief Enable the Data Cache
*/
void flash_dcache_enable(void)
{
FLASH_ACR |= FLASH_ACR_DCEN;
}
/*---------------------------------------------------------------------------*/
/** @brief Disable the Data Cache
*/
void flash_dcache_disable(void)
{
FLASH_ACR &= ~FLASH_ACR_DCEN;
}
/*---------------------------------------------------------------------------*/
/** @brief Enable the Instruction Cache
*/
void flash_icache_enable(void)
{
FLASH_ACR |= FLASH_ACR_ICEN;
}
/*---------------------------------------------------------------------------*/
/** @brief Disable the Instruction Cache
*/
void flash_icache_disable(void)
{
FLASH_ACR &= ~FLASH_ACR_ICEN;
}
/*---------------------------------------------------------------------------*/
/** @brief Reset the Data Cache
The data cache must be disabled for this to have effect.
*/
void flash_dcache_reset(void)
{
FLASH_ACR |= FLASH_ACR_DCRST;
}
/*---------------------------------------------------------------------------*/
/** @brief Reset the Instruction Cache
The instruction cache must be disabled for this to have effect.
*/
void flash_icache_reset(void)
{
FLASH_ACR |= FLASH_ACR_ICRST;
}
/*---------------------------------------------------------------------------*/
/** @brief Clear the Programming Sequence Error Flag

58
lib/stm32/common/flash_common_idcache.c Normal file
View File

@@ -0,0 +1,58 @@
/** @addtogroup flash_file
*
*/
/*
* This file is part of the libopencm3 project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/**@{*/
#include <libopencm3/stm32/flash.h>
#include <libopencm3/stm32/common/flash_common_idcache.h>
void flash_dcache_enable(void)
{
FLASH_ACR |= FLASH_ACR_DCEN;
}
void flash_dcache_disable(void)
{
FLASH_ACR &= ~FLASH_ACR_DCEN;
}
void flash_icache_enable(void)
{
FLASH_ACR |= FLASH_ACR_ICEN;
}
void flash_icache_disable(void)
{
FLASH_ACR &= ~FLASH_ACR_ICEN;
}
void flash_dcache_reset(void)
{
FLASH_ACR |= FLASH_ACR_DCRST;
}
void flash_icache_reset(void)
{
FLASH_ACR |= FLASH_ACR_ICRST;
}