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#include <asm/io.h>
  11
  12DECLARE_GLOBAL_DATA_PTR;
  13
  14int board_init(void)
  15{
  16        return 0;
  17}
  18
  19int dram_init(void)
  20{
  21        struct ram_info ram;
  22        struct udevice *dev;
  23        int ret;
  24
  25        ret = uclass_get_device(UCLASS_RAM, 0, &dev);
  26        if (ret) {
  27                debug("DRAM init failed: %d\n", ret);
  28                return ret;
  29        }
  30        ret = ram_get_info(dev, &ram);
  31        if (ret) {
  32                debug("Cannot get DRAM size: %d\n", ret);
  33                return ret;
  34        }
  35        debug("SDRAM base=%lx, size=%x\n", ram.base, ram.size);
  36        gd->ram_size = ram.size;
  37
  38        return 0;
  39}
  40
  41#ifndef CONFIG_SYS_DCACHE_OFF
  42void enable_caches(void)
  43{
  44        /* Enable D-cache. I-cache is already enabled in start.S */
  45        dcache_enable();
  46}
  47#endif
  48