/* * MMIO helper library header file. * * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/ * Lokesh Vutla * Nishanth Menon * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef __MMIO_H #define __MMIO_H #include #include #include #include #include void mmio_write_8(uintptr_t addr, uint8_t value); uint8_t mmio_read_8(uintptr_t addr); void mmio_write_16(uintptr_t addr, uint16_t value); uint16_t mmio_read_16(uintptr_t addr); void mmio_write_32(uintptr_t addr, uint32_t value); uint32_t mmio_read_32(uintptr_t addr); void mmio_write_64(uintptr_t addr, uint64_t value); uint64_t mmio_read_64(uintptr_t addr); static inline void mmio_clrbits_32(uintptr_t addr, uint32_t clear) { mmio_write_32(addr, mmio_read_32(addr) & ~clear); } static inline void mmio_setbits_32(uintptr_t addr, uint32_t set) { mmio_write_32(addr, mmio_read_32(addr) | set); } static inline void mmio_clrsetbits_32(uintptr_t addr, uint32_t clear, uint32_t set) { mmio_write_32(addr, (mmio_read_32(addr) & ~clear) | set); } #endif /* __MMIO_H */