Sandrine Bailleux | 3cd87d7 | 2018-10-09 11:12:55 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2018, Arm Limited. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef __MMIO_H__ |
| 8 | #define __MMIO_H__ |
| 9 | |
| 10 | #include <stdint.h> |
| 11 | |
| 12 | static inline void mmio_write_8(uintptr_t addr, uint8_t value) |
| 13 | { |
| 14 | *(volatile uint8_t*)addr = value; |
| 15 | } |
| 16 | |
| 17 | static inline uint8_t mmio_read_8(uintptr_t addr) |
| 18 | { |
| 19 | return *(volatile uint8_t*)addr; |
| 20 | } |
| 21 | |
| 22 | static inline void mmio_write_32(uintptr_t addr, uint32_t value) |
| 23 | { |
| 24 | *(volatile uint32_t*)addr = value; |
| 25 | } |
| 26 | |
| 27 | static inline uint32_t mmio_read_32(uintptr_t addr) |
| 28 | { |
| 29 | return *(volatile uint32_t*)addr; |
| 30 | } |
| 31 | |
| 32 | static inline void mmio_write_64(uintptr_t addr, uint64_t value) |
| 33 | { |
| 34 | *(volatile uint64_t*)addr = value; |
| 35 | } |
| 36 | |
| 37 | static inline uint64_t mmio_read_64(uintptr_t addr) |
| 38 | { |
| 39 | return *(volatile uint64_t*)addr; |
| 40 | } |
| 41 | |
| 42 | #endif /* __MMIO_H__ */ |