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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 Advanced Micro Devices, Inc.
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <inttypes.h>
#include <console/console.h>
#include <string.h>
#include "mct_d.h"
#include "mct_d_gcc.h"
static uint8_t is_fam15h(void)
{
uint8_t fam15h = 0;
uint32_t family;
family = cpuid_eax(0x80000001);
family = ((family & 0xf00000) >> 16) | ((family & 0xf00) >> 8);
if (family >= 0x6f)
/* Family 15h or later */
fam15h = 1;
return fam15h;
}
u8 mct_checkNumberOfDqsRcvEn_1Pass(u8 pass)
{
u8 ret = 1;
if (is_fam15h()) {
/* Fam15h needs two passes */
ret = 1;
} else {
if (pass == SecondPass)
ret = 0;
}
return ret;
}
u32 SetupDqsPattern_1PassA(u8 pass)
{
return (u32) TestPattern1_D;
}
u32 SetupDqsPattern_1PassB(u8 pass)
{
return (u32) TestPattern0_D;
}
static u16 mct_Average_RcvrEnDly_1Pass(struct DCTStatStruc *pDCTstat, u8 Channel, u8 Receiver,
u8 Pass)
{
u16 i, MaxValue;
u16 *p;
u16 val;
MaxValue = 0;
p = pDCTstat->CH_D_B_RCVRDLY[Channel][Receiver >> 1];
for (i = 0; i < 8; i++) {
/* get left value from DCTStatStruc.CHA_D0_B0_RCVRDLY*/
val = p[i];
/* get right value from DCTStatStruc.CHA_D0_B0_RCVRDLY_1*/
val += Pass1MemClkDly;
/* write back the value to stack */
if (val > MaxValue)
MaxValue = val;
p[i] = val;
}
/* pDCTstat->DimmTrainFail &= ~(1<<Receiver+Channel); */
return MaxValue;
}
u8 mct_SaveRcvEnDly_D_1Pass(struct DCTStatStruc *pDCTstat, u8 pass)
{
u8 ret;
ret = 0;
if ((pDCTstat->DqsRcvEn_Pass == 0xff) && (pass== FirstPass))
ret = 2;
return ret;
}
u16 mct_Average_RcvrEnDly_Pass(struct DCTStatStruc *pDCTstat,
u16 RcvrEnDly, u16 RcvrEnDlyLimit,
u8 Channel, u8 Receiver, u8 Pass)
{
return mct_Average_RcvrEnDly_1Pass(pDCTstat, Channel, Receiver, Pass);
}
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