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

Copied a few times.

1 files changed, 57 insertions, 0 deletions

diff --git a/include/libopencm3/stm32/common/flash_common_idcache.h b/include/libopencm3/stm32/common/flash_common_idcache.h
new file mode 100644
index 00000000..ac4ecc96
--- /dev/null
+++ b/include/libopencm3/stm32/common/flash_common_idcache.h
@@ -0,0 +1,57 @@
+/** @addtogroup flash_defines
+ */
+/*
+ * 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/>.
+ */
+
+#pragma once
+
+#include <libopencm3/stm32/flash.h>
+
+/**@{*/
+#define FLASH_ACR_DCRST			(1 << 12)
+#define FLASH_ACR_ICRST			(1 << 11)
+#define FLASH_ACR_DCEN			(1 << 10)
+#define FLASH_ACR_ICEN			(1 << 9)
+
+
+BEGIN_DECLS
+
+/** Enable the data cache */
+void flash_dcache_enable(void);
+
+/** Disable the data cache */
+void flash_dcache_disable(void);
+
+/** Enable the Instruction Cache */
+void flash_icache_enable(void);
+
+/** Disable the Instruction Cache */
+void flash_icache_disable(void);
+
+/** Reset the Data Cache.
+ * The data cache must be disabled for this to have effect.
+ */
+void flash_dcache_reset(void);
+
+/** Reset the Instruction Cache.
+ * The instruction cache must be disabled for this to have effect.
+ */
+void flash_icache_reset(void);
+
+END_DECLS
+/**@}*/
+