119 lines
5.1 KiB
C
119 lines
5.1 KiB
C
/************************************************************************************
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* arch/arm/src/stm32l4/chip/stm32l4x6xx_firewall.h
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*
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* Copyright (C) 2016 Sebastien Lorquet. All rights reserved.
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* Author: Sebastien Lorquet <sebastien@lorquet.fr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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#ifndef __ARCH_ARM_SRC_STM32L4_CHIP_STM32L4X6XX_FIREWALL_H
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#define __ARCH_ARM_SRC_STM32L4_CHIP_STM32L4X6XX_FIREWALL_H
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include "chip.h"
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/* Register Offsets *****************************************************************/
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#define STM32L4_FIREWALL_CSSA_OFFSET 0x0000
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#define STM32L4_FIREWALL_CSL_OFFSET 0x0004
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#define STM32L4_FIREWALL_NVDSSA_OFFSET 0x0008
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#define STM32L4_FIREWALL_NVDSL_OFFSET 0x000c
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#define STM32L4_FIREWALL_VDSSA_OFFSET 0x0010
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#define STM32L4_FIREWALL_VDSL_OFFSET 0x0014
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#define STM32L4_FIREWALL_CR_OFFSET 0x0020
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/* Register Addresses ***************************************************************/
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#define STM32L4_FIREWALL_CSSA (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_CSSA_OFFSET)
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#define STM32L4_FIREWALL_CSL (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_CSL_OFFSET)
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#define STM32L4_FIREWALL_NVDSSA (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_NVDSSA_OFFSET)
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#define STM32L4_FIREWALL_NVDSL (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_NVDSL_OFFSET)
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#define STM32L4_FIREWALL_VDSSA (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_VDSSA_OFFSET)
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#define STM32L4_FIREWALL_VDSL (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_VDSL_OFFSET)
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#define STM32L4_FIREWALL_CR (STM32L4_FIREWALL_BASE+STM32L4_FIREWALL_CR_OFFSET)
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/* Register Bitfield Definitions ****************************************************/
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/* Code Segment Start Address */
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#define FIREWALL_CSSADD_SHIFT 8
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#define FIREWALL_CSSADD_MASK (0xffff << FIREWALL_CSSADD_SHIFT)
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/* Code Segment Length */
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#define FIREWALL_CSSLENG_SHIFT 8
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#define FIREWALL_CSSLENG_MASK (0x3fff << FIREWALL_CSSLENG_SHIFT)
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/* Non-volatile Data Segment Start Address */
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#define FIREWALL_NVDSADD_SHIFT 8
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#define FIREWALL_NVDSADD_MASK (0xffff << FIREWALL_NVDSADD_SHIFT)
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/* Non-volatile Data Segment Length */
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#define FIREWALL_NVDSLENG_SHIFT 8
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#define FIREWALL_NVDSLENG_MASK (0x3fff << FIREWALL_NVDSLENG_SHIFT)
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/* Volatile Data Segment Start Address */
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#define FIREWALL_VDSADD_SHIFT 6
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#if defined(CONFIG_STM32L4_STM32L496XX)
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# define FIREWALL_VDSADD_MASK (0x0fff << FIREWALL_VDSADD_SHIFT)
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#else
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# define FIREWALL_VDSADD_MASK (0x07ff << FIREWALL_VDSADD_SHIFT)
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#endif
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/* Volatile Data Segment Length */
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#define FIREWALL_VDSLENG_SHIFT 6
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#if defined(CONFIG_STM32L4_STM32L496XX)
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# define FIREWALL_VDSLENG_MASK (0x0fff << FIREWALL_VDSLENG_SHIFT)
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#else
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# define FIREWALL_VDSLENG_MASK (0x07ff << FIREWALL_VDSLENG_SHIFT)
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#endif
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/* Configuration Register */
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#define FIREWALL_CR_FPA (1 << 0) /* Bit 0: Firewall prearm */
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#define FIREWALL_CR_VDS (1 << 1) /* Bit 1: Volatile data shared */
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#define FIREWALL_CR_VDE (1 << 2) /* Bit 2: Volatile data execution */
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#endif /* __ARCH_ARM_SRC_STM32L4_CHIP_STM32L4X6XX_FIREWALL_H */
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