LXR uboot/arch/arm/mach-rockchip/board.c

   1/*
   2 * (C) Copyright 2015 Google, Inc
   3 *
   4 * SPDX-License-Identifier:     GPL-2.0+
   5 */
   6
   7#include <common.h>
   8#include <dm.h>
   9#include <ram.h>
  10
  11DECLARE_GLOBAL_DATA_PTR;
  12
  13int board_init(void)
  14{
  15        return 0;
  16}
  17
  18int dram_init(void)
  19{
  20        struct ram_info ram;
  21        struct udevice *dev;
  22        int ret;
  23
  24        ret = uclass_get_device(UCLASS_RAM, 0, &dev);
  25        if (ret) {
  26                debug("DRAM init failed: %d\n", ret);
  27                return ret;
  28        }
  29        ret = ram_get_info(dev, &ram);
  30        if (ret) {
  31                debug("Cannot get DRAM size: %d\n", ret);
  32                return ret;
  33        }
  34        debug("SDRAM base=%lx, size=%x\n", ram.base, ram.size);
  35        gd->ram_size = ram.size;
  36
  37        return 0;
  38}
  39
  40#ifndef CONFIG_SYS_DCACHE_OFF
  41void enable_caches(void)
  42{
  43        /* Enable D-cache. I-cache is already enabled in start.S */
  44        dcache_enable();
  45}
  46#endif
  47