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/*
* This file is part of the coreboot project.
*
* Copyright (C) 2012 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.
*/
#ifndef CPU_AMD_FAM15_H
#define CPU_AMD_FAM15_H
#include <types.h>
#include <cpu/x86/msr.h>
#define MC0_STATUS 0x00000401
# define MCA_STATUS_HI_VAL BIT(63 - 32)
# define MCA_STATUS_HI_OVERFLOW BIT(62 - 32)
# define MCA_STATUS_HI_UC BIT(61 - 32)
# define MCA_STATUS_HI_EN BIT(60 - 32)
# define MCA_STATUS_HI_MISCV BIT(59 - 32)
# define MCA_STATUS_HI_ADDRV BIT(58 - 32)
# define MCA_STATUS_HI_PCC BIT(57 - 32)
# define MCA_STATUS_HI_COREID_VAL BIT(56 - 32)
# define MCA_STATUS_HI_CECC BIT(46 - 32)
# define MCA_STATUS_HI_UECC BIT(45 - 32)
# define MCA_STATUS_HI_DEFERRED BIT(44 - 32)
# define MCA_STATUS_HI_POISON BIT(43 - 32)
# define MCA_STATUS_HI_SUBLINK BIT(41 - 32)
# define MCA_STATUS_HI_ERRCOREID_MASK (0xf << 0)
# define MCA_STATUS_LO_ERRCODE_EXT_SH 16
# define MCA_STATUS_LO_ERRCODE_EXT_MASK (0x3f << MCA_STATUS_LO_ERRCODE_EXT_SH)
# define MCA_STATUS_LO_ERRCODE_MASK (0xffff << 0)
#define MC0_ADDR 0x00000402
#define MC0_MISC 0x00000403
#define MC0_CTL_MASK 0xC0010044
/* Helpers for interpreting MC[i]_STATUS */
static inline int mca_valid(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_VAL);
}
static inline int mca_over(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_OVERFLOW);
}
static inline int mca_uc(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_UC);
}
static inline int mca_en(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_EN);
}
static inline int mca_miscv(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_MISCV);
}
static inline int mca_addrv(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_ADDRV);
}
static inline int mca_pcc(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_PCC);
}
static inline int mca_idv(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_COREID_VAL);
}
static inline int mca_cecc(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_CECC);
}
static inline int mca_uecc(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_UECC);
}
static inline int mca_defd(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_DEFERRED);
}
static inline int mca_poison(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_POISON);
}
static inline int mca_sublink(msr_t msr)
{
return !!(msr.hi & MCA_STATUS_HI_SUBLINK);
}
static inline uint16_t mca_err_code(msr_t reg)
{
return reg.lo & MCA_STATUS_LO_ERRCODE_MASK;
}
static inline uint16_t mca_err_extcode(msr_t reg)
{
return reg.lo & MCA_STATUS_LO_ERRCODE_EXT_MASK;
}
/* Machine Check errors may be categorized by type, as determined by the
* Error Code field of MC[i]_STATUS. The definitions below can typically
* be found by searching the BKDG for a table called "Error Code Types".
*/
/* TLB Errors 0000 0000 0001 TTLL */
#define MCA_ERRCODE_TLB_DETECT 0xfff0
#define MCA_ERRCODE_TLB_TT_SH 2 /* Transaction Type */
#define MCA_ERRCODE_TLB_TT_MASK (0x3 << MCA_ERRCODE_TLB_TT_SH)
#define MCA_ERRCODE_TLB_LL_SH 0 /* Cache Level */
#define MCA_ERRCODE_TLB_LL_MASK (0x3 << MCA_ERRCODE_TLB_LL_SH)
/* Memory Errors 0000 0001 RRRR TTLL */
#define MCA_ERRCODE_MEM_DETECT 0xff00
#define MCA_ERRCODE_MEM_RRRR_SH 4 /* Memory Transaction Type */
#define MCA_ERRCODE_MEM_RRRR_MASK (0xf << MCA_ERRCODE_MEM_RRRR_MASK)
#define MCA_ERRCODE_MEM_TT_SH 2 /* Transaction Type */
#define MCA_ERRCODE_MEM_TT_MASK (0x3 << MCA_ERRCODE_MEM_TT_SH)
#define MCA_ERRCODE_MEM_LL_SH 0 /* Cache Level */
#define MCA_ERRCODE_MEM_LL_MASK (0x3 << MCA_ERRCODE_MEM_LL_SH)
/* Bus Errors 0000 1PPT RRRR IILL */
#define MCA_ERRCODE_BUS_DETECT 0xf800
#define MCA_ERRCODE_BUS_PP_SH 9 /* Participation Processor */
#define MCA_ERRCODE_BUS_PP_MASK (0x3 << MCA_ERRCODE_BUS_PP_SH)
#define MCA_ERRCODE_BUS_T_SH 8 /* Timeout */
#define MCA_ERRCODE_BUS_T_MASK (0x1 << MCA_ERRCODE_BUS_T_SH)
#define MCA_ERRCODE_BUS_RRRR_SH 4 /* Memory Transaction Type */
#define MCA_ERRCODE_BUS_RRRR_MASK (0xf << MCA_ERRCODE_BUS_RRRR_SH)
#define MCA_ERRCODE_BUS_II_SH 2 /* Memory or IO */
#define MCA_ERRCODE_BUS_II_MASK (0x3 << MCA_ERRCODE_BUS_II_SH)
#define MCA_ERRCODE_BUS_LL_SH 0 /* Cache Level */
#define MCA_ERRCODE_BUS_LL_MASK (0x3 << MCA_ERRCODE_BUS_LL_SH)
/* Int. Unclassified Errors 0000 01UU 0000 0000 */
#define MCA_ERRCODE_INT_DETECT 0xfc00
#define MCA_ERRCODE_INT_UU_SH 8 /* Internal Error Type */
#define MCA_ERRCODE_INT_UU_MASK (0x3 << MCA_ERRCODE_INT_UU_SH)
#define MCA_BANK_LS 0 /* Load-store, including DC */
#define MCA_BANK_IF 1 /* Instruction Fetch, including IC */
#define MCA_BANK_CU 2 /* Combined Unit, including L2 */
/* bank 3 reserved */
#define MCA_BANK_NB 4 /* Northbridge, including IO link */
#define MCA_BANK_EX 5 /* Execution Unit */
#define MCA_BANK_FP 6 /* Floating Point */
enum mca_err_code_types {
MCA_ERRTYPE_UNKNOWN,
MCA_ERRTYPE_TLB,
MCA_ERRTYPE_MEM,
MCA_ERRTYPE_BUS,
MCA_ERRTYPE_INT
};
static inline enum mca_err_code_types mca_err_type(msr_t reg)
{
uint16_t error = mca_err_code(reg);
if (error & MCA_ERRCODE_BUS_DETECT) /* this order must be maintained */
return MCA_ERRTYPE_BUS;
if (error & MCA_ERRCODE_INT_DETECT)
return MCA_ERRTYPE_INT;
if (error & MCA_ERRCODE_MEM_DETECT)
return MCA_ERRTYPE_MEM;
if (error & MCA_ERRCODE_TLB_DETECT)
return MCA_ERRTYPE_TLB;
return MCA_ERRTYPE_UNKNOWN;
}
#endif /* CPU_AMD_FAM15_H */
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