| Tom Rini | 83d290c | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| Simon Glass | 6c51df6 | 2015-06-23 15:39:04 -0600 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (c) 2015 Google, Inc |
| 4 | * Written by Simon Glass <sjg@chromium.org> |
| Simon Glass | 6c51df6 | 2015-06-23 15:39:04 -0600 | [diff] [blame] | 5 | */ |
| 6 | |
| 7 | #ifndef __RAM_H |
| 8 | #define __RAM_H |
| 9 | |
| Simon Glass | 401d1c4 | 2020-10-30 21:38:53 -0600 | [diff] [blame] | 10 | struct udevice; |
| 11 | |
| Simon Glass | 6c51df6 | 2015-06-23 15:39:04 -0600 | [diff] [blame] | 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 |
| 35 | * @return 0 if OK, -ve on error |
| 36 | */ |
| 37 | int ram_get_info(struct udevice *dev, struct ram_info *info); |
| 38 | |
| 39 | #endif |