Cleanup decoding of MIPSxx config registers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

4 files changed, 70 insertions, 5 deletions

diff --git a/include/asm-mips/cpu-features.h b/include/asm-mips/cpu-features.h
index 9a2de642eee6..012deda63e68 100644
--- a/include/asm-mips/cpu-features.h
+++ b/include/asm-mips/cpu-features.h
@@ -4,6 +4,7 @@
  * for more details.
  *
  * Copyright (C) 2003, 2004 Ralf Baechle
+ * Copyright (C) 2004  Maciej W. Rozycki
  */
 #ifndef __ASM_CPU_FEATURES_H
 #define __ASM_CPU_FEATURES_H
@@ -39,9 +40,6 @@
 #ifndef cpu_has_watch
 #define cpu_has_watch           (cpu_data[0].options & MIPS_CPU_WATCH)
 #endif
-#ifndef cpu_has_mips16
-#define cpu_has_mips16          (cpu_data[0].options & MIPS_CPU_MIPS16)
-#endif
 #ifndef cpu_has_divec
 #define cpu_has_divec           (cpu_data[0].options & MIPS_CPU_DIVEC)
 #endif
@@ -66,6 +64,18 @@
 #ifndef cpu_has_llsc
 #define cpu_has_llsc            (cpu_data[0].options & MIPS_CPU_LLSC)
 #endif
+#ifndef cpu_has_mips16
+#define cpu_has_mips16          (cpu_data[0].ases & MIPS_ASE_MIPS16)
+#endif
+#ifndef cpu_has_mdmx
+#define cpu_has_mdmx           (cpu_data[0].ases & MIPS_ASE_MDMX)
+#endif
+#ifndef cpu_has_mips3d
+#define cpu_has_mips3d         (cpu_data[0].ases & MIPS_ASE_MIPS3D)
+#endif
+#ifndef cpu_has_smartmips
+#define cpu_has_smartmips      (cpu_data[0].ases & MIPS_ASE_SMARTMIPS)
+#endif
 #ifndef cpu_has_vtag_icache
 #define cpu_has_vtag_icache     (cpu_data[0].icache.flags & MIPS_CACHE_VTAG)
 #endif
diff --git a/include/asm-mips/cpu-info.h b/include/asm-mips/cpu-info.h
index 20a35b15a31d..d5cf519f8fcc 100644
--- a/include/asm-mips/cpu-info.h
+++ b/include/asm-mips/cpu-info.h
@@ -7,6 +7,7 @@
  * Copyright (C) 1995, 1996, 1997, 1998, 1999, 2001, 2002, 2003 Ralf Baechle
  * Copyright (C) 1996 Paul M. Antoine
  * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ * Copyright (C) 2004  Maciej W. Rozycki
  */
 #ifndef __ASM_CPU_INFO_H
 #define __ASM_CPU_INFO_H
@@ -61,6 +62,7 @@ struct cpuinfo_mips {
          * Capability and feature descriptor structure for MIPS CPU
          */
         unsigned long           options;
+        unsigned long           ases;
         unsigned int            processor_id;
         unsigned int            fpu_id;
         unsigned int            cputype;
diff --git a/include/asm-mips/cpu.h b/include/asm-mips/cpu.h
index 8e167bfd40b1..a4f85a279c52 100644
--- a/include/asm-mips/cpu.h
+++ b/include/asm-mips/cpu.h
@@ -3,6 +3,7 @@
  *        various MIPS cpu types.
  *
  * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
+ * Copyright (C) 2004  Maciej W. Rozycki
  */
 #ifndef _ASM_CPU_H
 #define _ASM_CPU_H
@@ -213,7 +214,6 @@
 #define MIPS_CPU_32FPR          0x00000020 /* 32 dbl. prec. FP registers */
 #define MIPS_CPU_COUNTER        0x00000040 /* Cycle count/compare */
 #define MIPS_CPU_WATCH          0x00000080 /* watchpoint registers */
-#define MIPS_CPU_MIPS16         0x00000100 /* code compression */
 #define MIPS_CPU_DIVEC          0x00000200 /* dedicated interrupt vector */
 #define MIPS_CPU_VCE            0x00000400 /* virt. coherence conflict possible */
 #define MIPS_CPU_CACHE_CDEX_P   0x00000800 /* Create_Dirty_Exclusive CACHE op */
@@ -225,4 +225,12 @@
 #define MIPS_CPU_SUBSET_CACHES  0x00020000 /* P-cache subset enforced */
 #define MIPS_CPU_PREFETCH       0x00040000 /* CPU has usable prefetch */
 
+/*
+ * CPU ASE encodings
+ */
+#define MIPS_ASE_MIPS16         0x00000001 /* code compression */
+#define MIPS_ASE_MDMX           0x00000002 /* MIPS digital media extension */
+#define MIPS_ASE_MIPS3D         0x00000004 /* MIPS-3D */
+#define MIPS_ASE_SMARTMIPS      0x00000008 /* SmartMIPS */
+
 #endif /* _ASM_CPU_H */
diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h
index f3b0b4181508..9b0ce451286e 100644
--- a/include/asm-mips/mipsregs.h
+++ b/include/asm-mips/mipsregs.h
@@ -8,7 +8,7 @@
  * Modified for further R[236]000 support by Paul M. Antoine, 1996.
  * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
  * Copyright (C) 2000 MIPS Technologies, Inc.  All rights reserved.
- * Copyright (C) 2003  Maciej W. Rozycki
+ * Copyright (C) 2003, 2004  Maciej W. Rozycki
  */
 #ifndef _ASM_MIPSREGS_H
 #define _ASM_MIPSREGS_H
@@ -478,6 +478,51 @@
 #define MIPS_CONF_M             (_ULCAST_(1) << 31)
 
 /*
+ * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
+ */
+#define MIPS_CONF1_FP           (_ULCAST_(1) <<  0)
+#define MIPS_CONF1_EP           (_ULCAST_(1) <<  1)
+#define MIPS_CONF1_CA           (_ULCAST_(1) <<  2)
+#define MIPS_CONF1_WR           (_ULCAST_(1) <<  3)
+#define MIPS_CONF1_PC           (_ULCAST_(1) <<  4)
+#define MIPS_CONF1_MD           (_ULCAST_(1) <<  5)
+#define MIPS_CONF1_C2           (_ULCAST_(1) <<  6)
+#define MIPS_CONF1_DA           (_ULCAST_(7) <<  7)
+#define MIPS_CONF1_DL           (_ULCAST_(7) << 10)
+#define MIPS_CONF1_DS           (_ULCAST_(7) << 13)
+#define MIPS_CONF1_IA           (_ULCAST_(7) << 16)
+#define MIPS_CONF1_IL           (_ULCAST_(7) << 19)
+#define MIPS_CONF1_IS           (_ULCAST_(7) << 22)
+#define MIPS_CONF1_TLBS         (_ULCAST_(63)<< 25)
+
+#define MIPS_CONF2_SA           (_ULCAST_(15)<<  0)
+#define MIPS_CONF2_SL           (_ULCAST_(15)<<  4)
+#define MIPS_CONF2_SS           (_ULCAST_(15)<<  8)
+#define MIPS_CONF2_SU           (_ULCAST_(15)<< 12)
+#define MIPS_CONF2_TA           (_ULCAST_(15)<< 16)
+#define MIPS_CONF2_TL           (_ULCAST_(15)<< 20)
+#define MIPS_CONF2_TS           (_ULCAST_(15)<< 24)
+#define MIPS_CONF2_TU           (_ULCAST_(7) << 28)
+
+#define MIPS_CONF3_TL           (_ULCAST_(1) <<  0)
+#define MIPS_CONF3_SM           (_ULCAST_(1) <<  1)
+#define MIPS_CONF3_SP           (_ULCAST_(1) <<  4)
+#define MIPS_CONF3_VINT         (_ULCAST_(1) <<  5)
+#define MIPS_CONF3_VEIC         (_ULCAST_(1) <<  6)
+#define MIPS_CONF3_LPA          (_ULCAST_(1) <<  7)
+
+/*
+ * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
+ */
+#define MIPS_FPIR_S             (_ULCAST_(1) << 16)
+#define MIPS_FPIR_D             (_ULCAST_(1) << 17)
+#define MIPS_FPIR_PS            (_ULCAST_(1) << 18)
+#define MIPS_FPIR_3D            (_ULCAST_(1) << 19)
+#define MIPS_FPIR_W             (_ULCAST_(1) << 20)
+#define MIPS_FPIR_L             (_ULCAST_(1) << 21)
+#define MIPS_FPIR_F64           (_ULCAST_(1) << 22)
+
+/*
  * R10000 performance counter definitions.
  *
  * FIXME: The R10000 performance counter opens a nice way to implement CPU