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#include <common.h> 8#include <dm.h> 9#include <errno.h> 10#include <ram.h> 11#include <asm/global_data.h> 12#include <asm/test.h> 13 14DECLARE_GLOBAL_DATA_PTR; 15 16static int sandbox_get_info(struct udevice *dev, struct ram_info *info) 17{ 18 info->base = 0; 19 info->size = gd->ram_size; 20 21 return 0; 22} 23 24static const struct ram_ops sandbox_ram_ops = { 25 .get_info = sandbox_get_info, 26}; 27 28static const struct udevice_id sandbox_ram_ids[] = { 29 { .compatible = "sandbox,ram" }, 30 { } 31}; 32 33U_BOOT_DRIVER(warm_ram_sandbox) = { 34 .name = "ram_sandbox", 35 .id = UCLASS_RAM, 36 .of_match = sandbox_ram_ids, 37 .ops = &sandbox_ram_ops, 38}; 39