/******************************************************************************* * DISCLAIMER * This software is supplied by Renesas Electronics Corporation and is only * intended for use with Renesas products. No other uses are authorized. This * software is owned by Renesas Electronics Corporation and is protected under * all applicable laws, including copyright laws. * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * Renesas reserves the right, without notice, to make changes to this software * and to discontinue the availability of this software. By using this software, * you agree to the additional terms and conditions found by accessing the * following link: * http://www.renesas.com/disclaimer * Copyright 2018-2023 Renesas Electronics Corporation All rights reserved. *******************************************************************************/ /******************************************************************************* * DESCRIPTION : Memory access driver header ******************************************************************************/ /****************************************************************************** * @file mem_io.h * - Version : 0.05 * @brief * . *****************************************************************************/ /****************************************************************************** * History : DD.MM.YYYY Version Description * : 02.02.2022 0.01 First Release * : 17.02.2022 0.02 Change the return type of mem_read64 * : 31.10.2022 0.03 License notation change. * : 07.11.2022 0.04 Added to convert mmio. * : 21.08.2023 0.05 Add support for V4M. *****************************************************************************/ #ifndef MEM_IO_H_ #define MEM_IO_H_ #include static inline void mem_write8(uintptr_t addr, uint8_t data) { *(volatile uint8_t*)addr = data; } static inline uint8_t mem_read8(uintptr_t addr) { return (*(volatile uint8_t*)addr); } static inline void mem_write16(uintptr_t addr, uint16_t data) { *(volatile uint16_t*)addr = data; } static inline uint16_t mem_read16(uintptr_t addr) { return (*(volatile uint16_t*)addr); } static inline void mem_write32(uintptr_t addr, uint32_t data) { *(volatile uint32_t*)addr = data; } static inline uint32_t mem_read32(uintptr_t addr) { return (*(volatile uint32_t*)addr); } static inline void mem_write64(uintptr_t addr, uint64_t data) { *(volatile uint64_t*)addr = data; } static inline uint64_t mem_read64(uintptr_t addr) { return (*(volatile uint64_t*)addr); } static inline void mem_bitclrset32(uintptr_t addr, uint32_t clr, uint32_t set) { mem_write32(addr, (mem_read32(addr) & ~clr) | set); } static inline void mem_bitset32(uintptr_t addr, uint32_t set) { mem_write32(addr, (mem_read32(addr) | set) ); } #if ((RCAR_LSI == RCAR_V4H) || (RCAR_LSI == RCAR_V4M)) #define mmio_write_32(a,b) mem_write32(a,b) #define mmio_read_32(a) mem_read32(a) #define mmio_clrsetbits_32(a,b,c) mem_bitclrset32(a,b,c) #endif /* RCAR_LSI == RCAR_V4H || RCAR_LSI == RCAR_V4M */ #endif /* MEM_IO_H_ */