1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * Copyright (C) 2016 Daniel Schwierzeck <daniel.schwierzeck@gmail.com> 3*4882a593Smuzhiyun * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #include <common.h> 9*4882a593Smuzhiyun #include <ram.h> 10*4882a593Smuzhiyun #include <dm.h> 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR; 13*4882a593Smuzhiyun dram_init(void)14*4882a593Smuzhiyunint dram_init(void) 15*4882a593Smuzhiyun { 16*4882a593Smuzhiyun struct ram_info ram; 17*4882a593Smuzhiyun struct udevice *dev; 18*4882a593Smuzhiyun int err; 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun err = uclass_get_device(UCLASS_RAM, 0, &dev); 21*4882a593Smuzhiyun if (err) { 22*4882a593Smuzhiyun debug("DRAM init failed: %d\n", err); 23*4882a593Smuzhiyun return 0; 24*4882a593Smuzhiyun } 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun err = ram_get_info(dev, &ram); 27*4882a593Smuzhiyun if (err) { 28*4882a593Smuzhiyun debug("Cannot get DRAM size: %d\n", err); 29*4882a593Smuzhiyun return 0; 30*4882a593Smuzhiyun } 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun debug("SDRAM base=%zx, size=%x\n", ram.base, ram.size); 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun gd->ram_size = ram.size; 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun return 0; 37*4882a593Smuzhiyun } 38