arch/arm/cpu/armv7/uniphier/dram_init.c

   1 /*
   2  * Copyright (C) 2012-2014 Panasonic Corporation
   3  *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <asm/arch/led.h>
  10
  11 int umc_init(void);
  12 void enable_dpll_ssc(void);
  13
  14 int dram_init(void)
  15 {
  16         DECLARE_GLOBAL_DATA_PTR;
  17         gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
  18
  19 #if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
  20         led_write(B, 4, , );
  21
  22         {
  23                 int res;
  24
  25                 res = umc_init();
  26                 if (res < 0)
  27                         return res;
  28         }
  29         led_write(B, 5, , );
  30
  31         enable_dpll_ssc();
  32 #endif
  33
  34         led_write(B, 6, , );
  35
  36         return 0;
  37 }