board/ti/ks2_evm/ddr3_k2l.c

   1 /*
   2  * Keystone2: DDR3 initialization
   3  *
   4  * (C) Copyright 2014
   5  *     Texas Instruments Incorporated, <www.ti.com>
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #include <common.h>
  11 #include "ddr3_cfg.h"
  12 #include <asm/arch/ddr3.h>
  13
  14 static int ddr3_size;
  15 static struct pll_init_data ddr3_400 = DDR3_PLL_400;
  16
  17 void ddr3_init(void)
  18 {
  19         init_pll(&ddr3_400);
  20
  21         /* No SO-DIMM, 2GB discreet DDR */
  22         printf("DRAM: 2 GiB\n");
  23         ddr3_size = 2;
  24
  25         /* Reset DDR3 PHY after PLL enabled */
  26         ddr3_reset_ddrphy();
  27
  28         ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_1600_2g);
  29         ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_1600_2g);
  30 }
  31
  32 /**
  33  * ddr3_get_size - return ddr3 size in GiB
  34  */
  35 int ddr3_get_size(void)
  36 {
  37         return ddr3_size;
  38 }