LXR uboot/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
  10struct udevice;
  11
  12struct ram_info {
  13        phys_addr_t base;
  14        size_t size;
  15};
  16
  17struct ram_ops {
  18        /**
  19         * get_info() - Get basic memory info
  20         *
  21         * @dev:        Device to check (UCLASS_RAM)
  22         * @info:       Place to put info
  23         * @return 0 if OK, -ve on error
  24         */
  25        int (*get_info)(struct udevice *dev, struct ram_info *info);
  26};
  27
  28#define ram_get_ops(dev)        ((struct ram_ops *)(dev)->driver->ops)
  29
  30/**
  31 * ram_get_info() - Get information about a RAM device
  32 *
  33 * @dev:        Device to check (UCLASS_RAM)
  34 * @info:       Returns RAM info
  35 * @return 0 if OK, -ve on error
  36 */
  37int ram_get_info(struct udevice *dev, struct ram_info *info);
  38
  39#endif
  40