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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering
* Copyright (C) 2007 Advanced Micro Devices, Inc.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <arch/cpu.h>
#include <northbridge/amd/amdmct/wrappers/mcti.h>
#include <northbridge/amd/amdmct/mct/mct_d.h>
#include <northbridge/amd/amdmct/amddefs.h>
#ifndef __PRE_RAM__
#include <include/device/pci_ops.h>
#include <include/device/pci_def.h>
u32 Get_NB32(u32 dev, u32 reg)
{
return pci_read_config32(dev_find_slot(0, PCI_DEV2DEVFN(dev)), reg);
}
#endif
u32 mctGetLogicalCPUID(u32 Node)
{
/* Converts the CPUID to a logical ID MASK that is used to check
CPU version support versions */
u32 dev;
u32 val, valx;
u32 family, model, stepping;
u32 ret;
if (Node == 0xFF) { /* current node */
val = cpuid_eax(0x80000001);
} else {
dev = PA_NBMISC(Node);
val = Get_NB32(dev, 0xfc);
}
family = ((val >> 8) & 0x0f) + ((val >> 20) & 0xff);
model = ((val >> 4) & 0x0f) | ((val >> (16-4)) & 0xf0);
stepping = val & 0x0f;
valx = (family << 12) | (model << 4) | (stepping);
switch (valx) {
case 0x10000:
ret = AMD_DR_A0A;
break;
case 0x10001:
ret = AMD_DR_A1B;
break;
case 0x10002:
ret = AMD_DR_A2;
break;
case 0x10020:
ret = AMD_DR_B0;
break;
case 0x10021:
ret = AMD_DR_B1;
break;
case 0x10022:
ret = AMD_DR_B2;
break;
case 0x10023:
ret = AMD_DR_B3;
break;
case 0x10042:
ret = AMD_RB_C2;
break;
case 0x10043:
ret = AMD_RB_C3;
break;
case 0x10062:
ret = AMD_DA_C2;
break;
case 0x10063:
ret = AMD_DA_C3;
break;
case 0x10080:
ret = AMD_HY_D0;
break;
case 0x10081:
case 0x10091:
ret = AMD_HY_D1;
break;
case 0x100a0:
ret = AMD_PH_E0;
break;
default:
/* FIXME: mabe we should die() here. */
printk(BIOS_ERR, "FIXME! CPU Version unknown or not supported! \n");
ret = 0;
}
return ret;
}
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