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