/******************************************************************************* * (c) Copyright 2007-2018 Microsemi SoC Products Group. All rights reserved. * * Hardware registers access macros. * * THE MACROS DEFINED IN THIS FILE ARE DEPRECATED. DO NOT USED FOR NEW * DEVELOPMENT. * * These macros are used to access peripheral's registers. They allow access to * 8, 16 and 32 bit wide registers. All accesses to peripheral registers should * be done through these macros in order to ease porting across different * processors/bus architectures. * * Some of these macros also allow to access a specific register field. * * SVN $Revision: 9661 $ * SVN $Date: 2018-01-15 16:13:33 +0530 (Mon, 15 Jan 2018) $ */ #ifndef __HW_REGISTER_MACROS_H #define __HW_REGISTER_MACROS_H 1 /*------------------------------------------------------------------------------ * 32 bits registers access: */ #define HW_get_uint32_reg(BASE_ADDR, REG_OFFSET) (*((uint32_t volatile *)(BASE_ADDR + REG_OFFSET##_REG_OFFSET))) #define HW_set_uint32_reg(BASE_ADDR, REG_OFFSET, VALUE) (*((uint32_t volatile *)(BASE_ADDR + REG_OFFSET##_REG_OFFSET)) = (VALUE)) #define HW_set_uint32_reg_field(BASE_ADDR, FIELD, VALUE) \ (*((uint32_t volatile *)(BASE_ADDR + FIELD##_OFFSET)) = \ ( \ (uint32_t) \ ( \ (*((uint32_t volatile *)(BASE_ADDR + FIELD##_OFFSET))) & ~FIELD##_MASK) | \ (uint32_t)(((VALUE) << FIELD##_SHIFT) & FIELD##_MASK) \ ) \ ) #define HW_get_uint32_reg_field( BASE_ADDR, FIELD ) \ (( (*((uint32_t volatile *)(BASE_ADDR + FIELD##_OFFSET))) & FIELD##_MASK) >> FIELD##_SHIFT) /*------------------------------------------------------------------------------ * 32 bits memory access: */ #define HW_get_uint32(BASE_ADDR) (*((uint32_t volatile *)(BASE_ADDR))) #define HW_set_uint32(BASE_ADDR, VALUE) (*((uint32_t volatile *)(BASE_ADDR)) = (VALUE)) /*------------------------------------------------------------------------------ * 16 bits registers access: */ #define HW_get_uint16_reg(BASE_ADDR, REG_OFFSET) (*((uint16_t volatile *)(BASE_ADDR + REG_OFFSET##_REG_OFFSET))) #define HW_set_uint16_reg(BASE_ADDR, REG_OFFSET, VALUE) (*((uint16_t volatile *)(BASE_ADDR + REG_OFFSET##_REG_OFFSET)) = (VALUE)) #define HW_set_uint16_reg_field(BASE_ADDR, FIELD, VALUE) \ (*((uint16_t volatile *)(BASE_ADDR + FIELD##_OFFSET)) = \ ( \ (uint16_t) \ ( \ (*((uint16_t volatile *)(BASE_ADDR + FIELD##_OFFSET))) & ~FIELD##_MASK) | \ (uint16_t)(((VALUE) << FIELD##_SHIFT) & FIELD##_MASK) \ ) \ ) #define HW_get_uint16_reg_field( BASE_ADDR, FIELD ) \ (( (*((uint16_t volatile *)(BASE_ADDR + FIELD##_OFFSET))) & FIELD##_MASK) >> FIELD##_SHIFT) /*------------------------------------------------------------------------------ * 8 bits registers access: */ #define HW_get_uint8_reg(BASE_ADDR, REG_OFFSET) (*((uint8_t volatile *)(BASE_ADDR + REG_OFFSET##_REG_OFFSET))) #define HW_set_uint8_reg(BASE_ADDR, REG_OFFSET, VALUE) (*((uint8_t volatile *)(BASE_ADDR + REG_OFFSET##_REG_OFFSET)) = (VALUE)) #define HW_set_uint8_reg_field(BASE_ADDR, FIELD, VALUE) \ (*((uint8_t volatile *)(BASE_ADDR + FIELD##_OFFSET)) = \ ( \ (uint8_t) \ ( \ (*((uint8_t volatile *)(BASE_ADDR + FIELD##_OFFSET))) & ~FIELD##_MASK) | \ (uint8_t)(((VALUE) << FIELD##_SHIFT) & FIELD##_MASK) \ ) \ ) #define HW_get_uint8_reg_field( BASE_ADDR, FIELD ) \ (( (*((uint8_t volatile *)(BASE_ADDR + FIELD##_OFFSET))) & FIELD##_MASK) >> FIELD##_SHIFT) /*------------------------------------------------------------------------------ * 8 bits memory access: */ #define HW_get_uint8(BASE_ADDR) (*((uint8_t volatile *)(BASE_ADDR))) #define HW_set_uint8(BASE_ADDR, VALUE) (*((uint8_t volatile *)(BASE_ADDR)) = (VALUE)) #endif /* __HW_REGISTER_MACROS_H */