1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (c) 2015 Google, Inc 3*4882a593Smuzhiyun * Written by Simon Glass <sjg@chromium.org> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __RAM_H 9*4882a593Smuzhiyun #define __RAM_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun struct ram_info { 12*4882a593Smuzhiyun phys_addr_t base; 13*4882a593Smuzhiyun size_t size; 14*4882a593Smuzhiyun }; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun struct ram_ops { 17*4882a593Smuzhiyun /** 18*4882a593Smuzhiyun * get_info() - Get basic memory info 19*4882a593Smuzhiyun * 20*4882a593Smuzhiyun * @dev: Device to check (UCLASS_RAM) 21*4882a593Smuzhiyun * @info: Place to put info 22*4882a593Smuzhiyun * @return 0 if OK, -ve on error 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun int (*get_info)(struct udevice *dev, struct ram_info *info); 25*4882a593Smuzhiyun }; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #define ram_get_ops(dev) ((struct ram_ops *)(dev)->driver->ops) 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun /** 30*4882a593Smuzhiyun * ram_get_info() - Get information about a RAM device 31*4882a593Smuzhiyun * 32*4882a593Smuzhiyun * @dev: Device to check (UCLASS_RAM) 33*4882a593Smuzhiyun * @info: Returns RAM info 34*4882a593Smuzhiyun * @return 0 if OK, -ve on error 35*4882a593Smuzhiyun */ 36*4882a593Smuzhiyun int ram_get_info(struct udevice *dev, struct ram_info *info); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun #endif 39