Merge branch 'linux-next' of git://git.infradead.org/~dedekind/ubi-2.6

1 files changed, 241 insertions, 0 deletions

diff --git a/include/asm-sparc/chafsr.h b/include/asm-sparc/chafsr.h
new file mode 100644
index 000000000000..85c69b38220b
--- /dev/null
+++ b/include/asm-sparc/chafsr.h
@@ -0,0 +1,241 @@
+#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 */