include/ram.h

   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 #ifndef __RAM_H
   8 #define __RAM_H
   9
  10 struct ram_info {
  11         phys_addr_t base;
  12         size_t size;
  13 };
  14
  15 struct ram_ops {
  16         /**
  17          * get_info() - Get basic memory info
  18          *
  19          * @dev:        Device to check (UCLASS_RAM)
  20          * @info:       Place to put info
  21          * @return 0 if OK, -ve on error
  22          */
  23         int (*get_info)(struct udevice *dev, struct ram_info *info);
  24 };
  25
  26 #define ram_get_ops(dev)        ((struct ram_ops *)(dev)->driver->ops)
  27
  28 /**
  29  * ram_get_info() - Get information about a RAM device
  30  *
  31  * @dev:        Device to check (UCLASS_RAM)
  32  * @info:       Returns RAM info
  33  * @return 0 if OK, -ve on error
  34  */
  35 int ram_get_info(struct udevice *dev, struct ram_info *info);
  36
  37 #endif