74 lines
1.8 KiB
C
74 lines
1.8 KiB
C
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/*
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* Copyright (c) 2016 Open-RnD Sp. z o.o.
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* Copyright (c) 2016 BayLibre, SAS
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _STM32L4X_FLASH_REGISTERS_H_
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#define _STM32L4X_FLASH_REGISTERS_H_
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enum {
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STM32L4X_FLASH_LATENCY_0 = 0x0,
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STM32L4X_FLASH_LATENCY_1 = 0x1,
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STM32L4X_FLASH_LATENCY_2 = 0x2,
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STM32L4X_FLASH_LATENCY_3 = 0x3,
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STM32L4X_FLASH_LATENCY_4 = 0x4,
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};
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/* 3.7.1 FLASH_ACR */
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union __ef_acr {
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uint32_t val;
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struct {
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uint32_t latency :3 __packed;
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uint32_t rsvd__3_7 :5 __packed;
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uint32_t prften :1 __packed;
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uint32_t icen :1 __packed;
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uint32_t dcen :1 __packed;
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uint32_t icrst :1 __packed;
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uint32_t dcrst :1 __packed;
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uint32_t run_pd :1 __packed;
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uint32_t sleep_pd :1 __packed;
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uint32_t rsvd__16_31 :17 __packed;
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} bit;
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};
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/* FLASH register map */
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struct stm32l4x_flash {
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union __ef_acr acr;
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uint32_t pdkeyr;
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uint32_t keyr;
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uint32_t optkeyr;
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uint32_t sr;
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uint32_t cr;
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uint32_t eccr;
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uint32_t rsvd_0;
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uint32_t optr;
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uint32_t pcrop1sr;
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uint32_t pcrop1er;
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uint32_t wrp1ar;
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uint32_t wrp1br;
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uint32_t rsvd_2[4];
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/*
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* The registers below are only present on STM32L4x2, STM32L4x5,
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* STM32L4x6.
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*/
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uint32_t pcrop2sr;
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uint32_t pcrop2er;
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uint32_t wrp2ar;
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uint32_t wrp2br;
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};
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#endif /* _STM32L4X_FLASH_REGISTERS_H_ */
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