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