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