board/freescale/p2020come/ddr.c

   1 /*
   2  * Copyright 2009, 2011 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6 #include <common.h>
   7
   8 #include <fsl_ddr_sdram.h>
   9 #include <fsl_ddr_dimm_params.h>
  10
  11 void fsl_ddr_board_options(memctl_options_t *popts,
  12                                 dimm_params_t *pdimm,
  13                                 unsigned int ctrl_num)
  14 {
  15         if (ctrl_num) {
  16                 printf("Wrong parameter for controller number %d", ctrl_num);
  17                 return;
  18         }
  19
  20         if (!pdimm->n_ranks)
  21                 return;
  22
  23         /*
  24          * Set DDR_SDRAM_CLK_CNTL = 0x02800000
  25          *
  26          * Clock is launched 5/8 applied cycle after address/command
  27          */
  28         popts->clk_adjust = 5;
  29 }