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Diffstat (limited to 'arch/mips/include/asm/mipsregs.h')
-rw-r--r--arch/mips/include/asm/mipsregs.h39
1 files changed, 25 insertions, 14 deletions
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 20d6d40c59a4..4ddc12e4444a 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -86,6 +86,7 @@
#define CP0_XCONTEXT $20
#define CP0_FRAMEMASK $21
#define CP0_DIAGNOSTIC $22
+#define CP0_DIAGNOSTIC1 $22, 1
#define CP0_DEBUG $23
#define CP0_DEPC $24
#define CP0_PERFORMANCE $25
@@ -473,6 +474,9 @@
/* Implementation specific trap codes used by MIPS cores */
#define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */
+/* Implementation specific trap codes used by Loongson cores */
+#define LOONGSON_EXCCODE_GSEXC 16 /* Loongson-specific exception */
+
/*
* Bits in the coprocessor 0 config register.
*/
@@ -689,35 +693,35 @@
/* Config6 feature bits for proAptiv/P5600 */
/* Jump register cache prediction disable */
-#define MIPS_CONF6_MTI_JRCD (_ULCAST_(1) << 0)
+#define MTI_CONF6_JRCD (_ULCAST_(1) << 0)
/* MIPSr6 extensions enable */
-#define MIPS_CONF6_MTI_R6 (_ULCAST_(1) << 2)
+#define MTI_CONF6_R6 (_ULCAST_(1) << 2)
/* IFU Performance Control */
-#define MIPS_CONF6_MTI_IFUPERFCTL (_ULCAST_(3) << 10)
-#define MIPS_CONF6_MTI_SYND (_ULCAST_(1) << 13)
+#define MTI_CONF6_IFUPERFCTL (_ULCAST_(3) << 10)
+#define MTI_CONF6_SYND (_ULCAST_(1) << 13)
/* Sleep state performance counter disable */
-#define MIPS_CONF6_MTI_SPCD (_ULCAST_(1) << 14)
+#define MTI_CONF6_SPCD (_ULCAST_(1) << 14)
/* proAptiv FTLB on/off bit */
-#define MIPS_CONF6_MTI_FTLBEN (_ULCAST_(1) << 15)
+#define MTI_CONF6_FTLBEN (_ULCAST_(1) << 15)
/* Disable load/store bonding */
-#define MIPS_CONF6_MTI_DLSB (_ULCAST_(1) << 21)
+#define MTI_CONF6_DLSB (_ULCAST_(1) << 21)
/* FTLB probability bits */
-#define MIPS_CONF6_MTI_FTLBP_SHIFT (16)
+#define MTI_CONF6_FTLBP_SHIFT (16)
/* Config6 feature bits for Loongson-3 */
/* Loongson-3 internal timer bit */
-#define MIPS_CONF6_LOONGSON_INTIMER (_ULCAST_(1) << 6)
+#define LOONGSON_CONF6_INTIMER (_ULCAST_(1) << 6)
/* Loongson-3 external timer bit */
-#define MIPS_CONF6_LOONGSON_EXTIMER (_ULCAST_(1) << 7)
+#define LOONGSON_CONF6_EXTIMER (_ULCAST_(1) << 7)
/* Loongson-3 SFB on/off bit, STFill in manual */
-#define MIPS_CONF6_LOONGSON_SFBEN (_ULCAST_(1) << 8)
+#define LOONGSON_CONF6_SFBEN (_ULCAST_(1) << 8)
/* Loongson-3's LL on exclusive cacheline */
-#define MIPS_CONF6_LOONGSON_LLEXC (_ULCAST_(1) << 16)
+#define LOONGSON_CONF6_LLEXC (_ULCAST_(1) << 16)
/* Loongson-3's SC has a random delay */
-#define MIPS_CONF6_LOONGSON_SCRAND (_ULCAST_(1) << 17)
+#define LOONGSON_CONF6_SCRAND (_ULCAST_(1) << 17)
/* Loongson-3 FTLB on/off bit, VTLBOnly in manual */
-#define MIPS_CONF6_LOONGSON_FTLBDIS (_ULCAST_(1) << 22)
+#define LOONGSON_CONF6_FTLBDIS (_ULCAST_(1) << 22)
#define MIPS_CONF7_WII (_ULCAST_(1) << 31)
@@ -1051,6 +1055,13 @@
/* Flush FTLB */
#define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13)
+/*
+ * Diag1 (GSCause in Loongson-speak) fields
+ */
+/* Loongson-specific exception code (GSExcCode) */
+#define LOONGSON_DIAG1_EXCCODE_SHIFT 2
+#define LOONGSON_DIAG1_EXCCODE GENMASK(6, 2)
+
/* CvmCtl register field definitions */
#define CVMCTL_IPPCI_SHIFT 7
#define CVMCTL_IPPCI (_U64CAST_(0x7) << CVMCTL_IPPCI_SHIFT)