| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _SPARC64_CHAFSR_H |
| #define _SPARC64_CHAFSR_H |
| |
| /* Cheetah Asynchronous Fault Status register, ASI=0x4C VA<63:0>=0x0 */ |
| |
| /* Comments indicate which processor variants on which the bit definition |
| * is valid. Codes are: |
| * ch --> cheetah |
| * ch+ --> cheetah plus |
| * jp --> jalapeno |
| */ |
| |
| /* All bits of this register except M_SYNDROME and E_SYNDROME are |
| * read, write 1 to clear. M_SYNDROME and E_SYNDROME are read-only. |
| */ |
| |
| /* Software bit set by linux trap handlers to indicate that the trap was |
| * signalled at %tl >= 1. |
| */ |
| #define CHAFSR_TL1 (1UL << 63UL) /* n/a */ |
| |
| /* Unmapped error from system bus for prefetch queue or |
| * store queue read operation |
| */ |
| #define CHPAFSR_DTO (1UL << 59UL) /* ch+ */ |
| |
| /* Bus error from system bus for prefetch queue or store queue |
| * read operation |
| */ |
| #define CHPAFSR_DBERR (1UL << 58UL) /* ch+ */ |
| |
| /* Hardware corrected E-cache Tag ECC error */ |
| #define CHPAFSR_THCE (1UL << 57UL) /* ch+ */ |
| /* System interface protocol error, hw timeout caused */ |
| #define JPAFSR_JETO (1UL << 57UL) /* jp */ |
| |
| /* SW handled correctable E-cache Tag ECC error */ |
| #define CHPAFSR_TSCE (1UL << 56UL) /* ch+ */ |
| /* Parity error on system snoop results */ |
| #define JPAFSR_SCE (1UL << 56UL) /* jp */ |
| |
| /* Uncorrectable E-cache Tag ECC error */ |
| #define CHPAFSR_TUE (1UL << 55UL) /* ch+ */ |
| /* System interface protocol error, illegal command detected */ |
| #define JPAFSR_JEIC (1UL << 55UL) /* jp */ |
| |
| /* Uncorrectable system bus data ECC error due to prefetch |
| * or store fill request |
| */ |
| #define CHPAFSR_DUE (1UL << 54UL) /* ch+ */ |
| /* System interface protocol error, illegal ADTYPE detected */ |
| #define JPAFSR_JEIT (1UL << 54UL) /* jp */ |
| |
| /* Multiple errors of the same type have occurred. This bit is set when |
| * an uncorrectable error or a SW correctable error occurs and the status |
| * bit to report that error is already set. When multiple errors of |
| * different types are indicated by setting multiple status bits. |
| * |
| * This bit is not set if multiple HW corrected errors with the same |
| * status bit occur, only uncorrectable and SW correctable ones have |
| * this behavior. |
| * |
| * This bit is not set when multiple ECC errors happen within a single |
| * 64-byte system bus transaction. Only the first ECC error in a 16-byte |
| * subunit will be logged. All errors in subsequent 16-byte subunits |
| * from the same 64-byte transaction are ignored. |
| */ |
| #define CHAFSR_ME (1UL << 53UL) /* ch,ch+,jp */ |
| |
| /* Privileged state error has occurred. This is a capture of PSTATE.PRIV |
| * at the time the error is detected. |
| */ |
| #define CHAFSR_PRIV (1UL << 52UL) /* ch,ch+,jp */ |
| |
| /* The following bits 51 (CHAFSR_PERR) to 33 (CHAFSR_CE) are sticky error |
| * bits and record the most recently detected errors. Bits accumulate |
| * errors that have been detected since the last write to clear the bit. |
| */ |
| |
| /* System interface protocol error. The processor asserts its' ERROR |
| * pin when this event occurs and it also logs a specific cause code |
| * into a JTAG scannable flop. |
| */ |
| #define CHAFSR_PERR (1UL << 51UL) /* ch,ch+,jp */ |
| |
| /* Internal processor error. The processor asserts its' ERROR |
| * pin when this event occurs and it also logs a specific cause code |
| * into a JTAG scannable flop. |
| */ |
| #define CHAFSR_IERR (1UL << 50UL) /* ch,ch+,jp */ |
| |
| /* System request parity error on incoming address */ |
| #define CHAFSR_ISAP (1UL << 49UL) /* ch,ch+,jp */ |
| |
| /* HW Corrected system bus MTAG ECC error */ |
| #define CHAFSR_EMC (1UL << 48UL) /* ch,ch+ */ |
| /* Parity error on L2 cache tag SRAM */ |
| #define JPAFSR_ETP (1UL << 48UL) /* jp */ |
| |
| /* Uncorrectable system bus MTAG ECC error */ |
| #define CHAFSR_EMU (1UL << 47UL) /* ch,ch+ */ |
| /* Out of range memory error has occurred */ |
| #define JPAFSR_OM (1UL << 47UL) /* jp */ |
| |
| /* HW Corrected system bus data ECC error for read of interrupt vector */ |
| #define CHAFSR_IVC (1UL << 46UL) /* ch,ch+ */ |
| /* Error due to unsupported store */ |
| #define JPAFSR_UMS (1UL << 46UL) /* jp */ |
| |
| /* Uncorrectable system bus data ECC error for read of interrupt vector */ |
| #define CHAFSR_IVU (1UL << 45UL) /* ch,ch+,jp */ |
| |
| /* Unmapped error from system bus */ |
| #define CHAFSR_TO (1UL << 44UL) /* ch,ch+,jp */ |
| |
| /* Bus error response from system bus */ |
| #define CHAFSR_BERR (1UL << 43UL) /* ch,ch+,jp */ |
| |
| /* SW Correctable E-cache ECC error for instruction fetch or data access |
| * other than block load. |
| */ |
| #define CHAFSR_UCC (1UL << 42UL) /* ch,ch+,jp */ |
| |
| /* Uncorrectable E-cache ECC error for instruction fetch or data access |
| * other than block load. |
| */ |
| #define CHAFSR_UCU (1UL << 41UL) /* ch,ch+,jp */ |
| |
| /* Copyout HW Corrected ECC error */ |
| #define CHAFSR_CPC (1UL << 40UL) /* ch,ch+,jp */ |
| |
| /* Copyout Uncorrectable ECC error */ |
| #define CHAFSR_CPU (1UL << 39UL) /* ch,ch+,jp */ |
| |
| /* HW Corrected ECC error from E-cache for writeback */ |
| #define CHAFSR_WDC (1UL << 38UL) /* ch,ch+,jp */ |
| |
| /* Uncorrectable ECC error from E-cache for writeback */ |
| #define CHAFSR_WDU (1UL << 37UL) /* ch,ch+,jp */ |
| |
| /* HW Corrected ECC error from E-cache for store merge or block load */ |
| #define CHAFSR_EDC (1UL << 36UL) /* ch,ch+,jp */ |
| |
| /* Uncorrectable ECC error from E-cache for store merge or block load */ |
| #define CHAFSR_EDU (1UL << 35UL) /* ch,ch+,jp */ |
| |
| /* Uncorrectable system bus data ECC error for read of memory or I/O */ |
| #define CHAFSR_UE (1UL << 34UL) /* ch,ch+,jp */ |
| |
| /* HW Corrected system bus data ECC error for read of memory or I/O */ |
| #define CHAFSR_CE (1UL << 33UL) /* ch,ch+,jp */ |
| |
| /* Uncorrectable ECC error from remote cache/memory */ |
| #define JPAFSR_RUE (1UL << 32UL) /* jp */ |
| |
| /* Correctable ECC error from remote cache/memory */ |
| #define JPAFSR_RCE (1UL << 31UL) /* jp */ |
| |
| /* JBUS parity error on returned read data */ |
| #define JPAFSR_BP (1UL << 30UL) /* jp */ |
| |
| /* JBUS parity error on data for writeback or block store */ |
| #define JPAFSR_WBP (1UL << 29UL) /* jp */ |
| |
| /* Foreign read to DRAM incurring correctable ECC error */ |
| #define JPAFSR_FRC (1UL << 28UL) /* jp */ |
| |
| /* Foreign read to DRAM incurring uncorrectable ECC error */ |
| #define JPAFSR_FRU (1UL << 27UL) /* jp */ |
| |
| #define CHAFSR_ERRORS (CHAFSR_PERR | CHAFSR_IERR | CHAFSR_ISAP | CHAFSR_EMC | \ |
| CHAFSR_EMU | CHAFSR_IVC | CHAFSR_IVU | CHAFSR_TO | \ |
| CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | CHAFSR_CPC | \ |
| CHAFSR_CPU | CHAFSR_WDC | CHAFSR_WDU | CHAFSR_EDC | \ |
| CHAFSR_EDU | CHAFSR_UE | CHAFSR_CE) |
| #define CHPAFSR_ERRORS (CHPAFSR_DTO | CHPAFSR_DBERR | CHPAFSR_THCE | \ |
| CHPAFSR_TSCE | CHPAFSR_TUE | CHPAFSR_DUE | \ |
| CHAFSR_PERR | CHAFSR_IERR | CHAFSR_ISAP | CHAFSR_EMC | \ |
| CHAFSR_EMU | CHAFSR_IVC | CHAFSR_IVU | CHAFSR_TO | \ |
| CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | CHAFSR_CPC | \ |
| CHAFSR_CPU | CHAFSR_WDC | CHAFSR_WDU | CHAFSR_EDC | \ |
| CHAFSR_EDU | CHAFSR_UE | CHAFSR_CE) |
| #define JPAFSR_ERRORS (JPAFSR_JETO | JPAFSR_SCE | JPAFSR_JEIC | \ |
| JPAFSR_JEIT | CHAFSR_PERR | CHAFSR_IERR | \ |
| CHAFSR_ISAP | JPAFSR_ETP | JPAFSR_OM | \ |
| JPAFSR_UMS | CHAFSR_IVU | CHAFSR_TO | \ |
| CHAFSR_BERR | CHAFSR_UCC | CHAFSR_UCU | \ |
| CHAFSR_CPC | CHAFSR_CPU | CHAFSR_WDC | \ |
| CHAFSR_WDU | CHAFSR_EDC | CHAFSR_EDU | \ |
| CHAFSR_UE | CHAFSR_CE | JPAFSR_RUE | \ |
| JPAFSR_RCE | JPAFSR_BP | JPAFSR_WBP | \ |
| JPAFSR_FRC | JPAFSR_FRU) |
| |
| /* Active JBUS request signal when error occurred */ |
| #define JPAFSR_JBREQ (0x7UL << 24UL) /* jp */ |
| #define JPAFSR_JBREQ_SHIFT 24UL |
| |
| /* L2 cache way information */ |
| #define JPAFSR_ETW (0x3UL << 22UL) /* jp */ |
| #define JPAFSR_ETW_SHIFT 22UL |
| |
| /* System bus MTAG ECC syndrome. This field captures the status of the |
| * first occurrence of the highest-priority error according to the M_SYND |
| * overwrite policy. After the AFSR sticky bit, corresponding to the error |
| * for which the M_SYND is reported, is cleared, the contents of the M_SYND |
| * field will be unchanged by will be unfrozen for further error capture. |
| */ |
| #define CHAFSR_M_SYNDROME (0xfUL << 16UL) /* ch,ch+,jp */ |
| #define CHAFSR_M_SYNDROME_SHIFT 16UL |
| |
| /* Agenid Id of the foreign device causing the UE/CE errors */ |
| #define JPAFSR_AID (0x1fUL << 9UL) /* jp */ |
| #define JPAFSR_AID_SHIFT 9UL |
| |
| /* System bus or E-cache data ECC syndrome. This field captures the status |
| * of the first occurrence of the highest-priority error according to the |
| * E_SYND overwrite policy. After the AFSR sticky bit, corresponding to the |
| * error for which the E_SYND is reported, is cleare, the contents of the E_SYND |
| * field will be unchanged but will be unfrozen for further error capture. |
| */ |
| #define CHAFSR_E_SYNDROME (0x1ffUL << 0UL) /* ch,ch+,jp */ |
| #define CHAFSR_E_SYNDROME_SHIFT 0UL |
| |
| /* The AFSR must be explicitly cleared by software, it is not cleared automatically |
| * by a read. Writes to bits <51:33> with bits set will clear the corresponding |
| * bits in the AFSR. Bits associated with disrupting traps must be cleared before |
| * interrupts are re-enabled to prevent multiple traps for the same error. I.e. |
| * PSTATE.IE and AFSR bits control delivery of disrupting traps. |
| * |
| * Since there is only one AFAR, when multiple events have been logged by the |
| * bits in the AFSR, at most one of these events will have its status captured |
| * in the AFAR. The highest priority of those event bits will get AFAR logging. |
| * The AFAR will be unlocked and available to capture the address of another event |
| * as soon as the one bit in AFSR that corresponds to the event logged in AFAR is |
| * cleared. For example, if AFSR.CE is detected, then AFSR.UE (which overwrites |
| * the AFAR), and AFSR.UE is cleared by not AFSR.CE, then the AFAR will be unlocked |
| * and ready for another event, even though AFSR.CE is still set. The same rules |
| * also apply to the M_SYNDROME and E_SYNDROME fields of the AFSR. |
| */ |
| |
| #endif /* _SPARC64_CHAFSR_H */ |
