include/ram.h

   1 /*
   2  * Copyright (c) 2015 Google, Inc
   3  * Written by Simon Glass <sjg@chromium.org>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __RAM_H
   9 #define __RAM_H
  10
  11 struct ram_info {
  12         phys_addr_t base;
  13         size_t size;
  14 };
  15
  16 struct ram_ops {
  17         /**
  18          * get_info() - Get basic memory info
  19          *
  20          * @dev:        Device to check (UCLASS_RAM)
  21          * @info:       Place to put info
  22          * @return 0 if OK, -ve on error
  23          */
  24         int (*get_info)(struct udevice *dev, struct ram_info *info);
  25 };
  26
  27 #define ram_get_ops(dev)        ((struct ram_ops *)(dev)->driver->ops)
  28
  29 /**
  30  * ram_get_info() - Get information about a RAM device
  31  *
  32  * @dev:        Device to check (UCLASS_RAM)
  33  * @info:       Returns RAM info
  34  * @return 0 if OK, -ve on error
  35  */
  36 int ram_get_info(struct udevice *dev, struct ram_info *info);
  37
  38 #endif