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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/sparc/include/asm/chafsr.h
Initial import
Diffstat (limited to 'arch/sparc/include/asm/chafsr.h')
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diff --git a/arch/sparc/include/asm/chafsr.h b/arch/sparc/include/asm/chafsr.h
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+++ b/arch/sparc/include/asm/chafsr.h
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+#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 */