projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 83d290c5 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 6c51df68 SG |
2 | /* |
| 3 | * Copyright (c) 2015 Google, Inc | |
| 4 | * Written by Simon Glass <sjg@chromium.org> | |
| 6c51df68 SG |
5 | */ |
| 6 | ||
| 7 | #ifndef __RAM_H | |
| 8 | #define __RAM_H | |
| 9 | ||
| 401d1c4f SG |
10 | struct udevice; |
| 11 | ||
| 6c51df68 SG |
12 | struct ram_info { |
| 13 | phys_addr_t base; | |
| 14 | size_t size; | |
| 15 | }; | |
| 16 | ||
| 17 | struct ram_ops { | |
| 18 | /** | |
| 19 | * get_info() - Get basic memory info | |
| 20 | * | |
| 21 | * @dev: Device to check (UCLASS_RAM) | |
| 22 | * @info: Place to put info | |
| 23 | * @return 0 if OK, -ve on error | |
| 24 | */ | |
| 25 | int (*get_info)(struct udevice *dev, struct ram_info *info); | |
| 26 | }; | |
| 27 | ||
| 28 | #define ram_get_ops(dev) ((struct ram_ops *)(dev)->driver->ops) | |
| 29 | ||
| 30 | /** | |
| 31 | * ram_get_info() - Get information about a RAM device | |
| 32 | * | |
| 33 | * @dev: Device to check (UCLASS_RAM) | |
| 34 | * @info: Returns RAM info | |
| 185f812c | 35 | * Return: 0 if OK, -ve on error |
| 6c51df68 SG |
36 | */ |
| 37 | int ram_get_info(struct udevice *dev, struct ram_info *info); | |
| 38 | ||
| 39 | #endif |