drivers/ram/sandbox_ram.c

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