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