u-boot/board/keymile/kmp204x/ddr.c
Robert P. J. Day 62a3b7dd08 Various, unrelated tree-wide typo fixes.
Fix a number of typos, including:

     * "compatble" -> "compatible"
     * "eanbeld" -> "enabled"
     * "envrionment" -> "environment"
     * "FTD" -> "FDT" (for "flattened device tree")
     * "ommitted" -> "omitted"
     * "overriden" -> "overridden"
     * "partiton" -> "partition"
     * "propogate" -> "propagate"
     * "resourse" -> "resource"
     * "rest in piece" -> "rest in peace"
     * "suport" -> "support"
     * "varible" -> "variable"

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
2016-07-16 09:43:12 -04:00

64 lines
1.5 KiB
C

/*
* (C) Copyright 2013 Keymile AG
* Valentin Longchamp <valentin.longchamp@keymile.com>
*
* Copyright 2009-2011 Freescale Semiconductor, Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <i2c.h>
#include <hwconfig.h>
#include <asm/mmu.h>
#include <fsl_ddr_sdram.h>
#include <fsl_ddr_dimm_params.h>
void fsl_ddr_board_options(memctl_options_t *popts,
dimm_params_t *pdimm,
unsigned int ctrl_num)
{
if (ctrl_num) {
printf("Wrong parameter for controller number %d", ctrl_num);
return;
}
/* automatic calibration for nb of cycles between read and DQS pre */
popts->cpo_override = 0xFF;
/* 1/2 clk delay between wr command and data strobe */
popts->write_data_delay = 4;
/* clk lauched 1/2 applied cylcle after address command */
popts->clk_adjust = 4;
/* 1T timing: command/address held for only 1 cycle */
popts->twot_en = 0;
/* we have only one module, half str should be OK */
popts->half_strength_driver_enable = 1;
/* wrlvl values overridden as recommended by ddr init func */
popts->wrlvl_override = 1;
popts->wrlvl_sample = 0xf;
popts->wrlvl_start = 0x6;
/* Enable ZQ calibration */
popts->zq_en = 1;
/* DHC_EN =1, ODT = 75 Ohm */
popts->ddr_cdr1 = DDR_CDR1_DHC_EN | DDR_CDR_ODT_75ohm;
}
phys_size_t initdram(int board_type)
{
phys_size_t dram_size = 0;
puts("Initializing with SPD\n");
dram_size = fsl_ddr_sdram();
dram_size = setup_ddr_tlbs(dram_size / 0x100000);
dram_size *= 0x100000;
debug(" DDR: ");
return dram_size;
}