[PATCH] MIPS: Add support for the M14Kc core.

["Steven J. Hill" <sjhill@xxxxxxxx>]

From: "Steven J. Hill" <sjhill@xxxxxxxx>

Signed-off-by: Steven J. Hill <sjhill@xxxxxxxx>
---
 arch/mips/include/asm/cpu.h          |    5 +++--
 arch/mips/kernel/cpu-probe.c         |    7 ++++++-
 arch/mips/mm/c-r4k.c                 |    1 +
 arch/mips/mm/tlbex.c                 |    4 +++-
 arch/mips/oprofile/common.c          |    1 +
 arch/mips/oprofile/op_model_mipsxx.c |    4 ++++
 6 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/arch/mips/include/asm/cpu.h b/arch/mips/include/asm/cpu.h
index 9f8feeb..fc937ef 100644
--- a/arch/mips/include/asm/cpu.h
+++ b/arch/mips/include/asm/cpu.h
@@ -95,6 +95,7 @@
 #define PRID_IMP_74K		0x9700
 #define PRID_IMP_1004K		0x9900
 #define PRID_IMP_1074K		0x9a00
+#define PRID_IMP_M14KC		0x9c00
 
 /*
  * These are the PRID's for when 23:16 == PRID_COMP_SIBYTE
@@ -261,7 +262,7 @@ enum cpu_type_enum {
 	 */
 	CPU_4KC, CPU_4KEC, CPU_4KSC, CPU_24K, CPU_34K, CPU_1004K, CPU_74K,
 	CPU_ALCHEMY, CPU_PR4450, CPU_BMIPS32, CPU_BMIPS3300, CPU_BMIPS4350,
-	CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC,
+	CPU_BMIPS4380, CPU_BMIPS5000, CPU_JZRISC, CPU_M14KC,
 
 	/*
 	 * MIPS64 class processors
@@ -289,7 +290,7 @@ enum cpu_type_enum {
 #define MIPS_CPU_ISA_M64R2	0x00000100
 
 #define MIPS_CPU_ISA_32BIT (MIPS_CPU_ISA_I | MIPS_CPU_ISA_II | \
-	MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2 )
+	MIPS_CPU_ISA_M32R1 | MIPS_CPU_ISA_M32R2)
 #define MIPS_CPU_ISA_64BIT (MIPS_CPU_ISA_III | MIPS_CPU_ISA_IV | \
 	MIPS_CPU_ISA_V | MIPS_CPU_ISA_M64R1 | MIPS_CPU_ISA_M64R2)
 
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 4b5c7d6..bffb33d 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -4,7 +4,7 @@
  * Copyright (C) xxxx  the Anonymous
  * Copyright (C) 1994 - 2006 Ralf Baechle
  * Copyright (C) 2003, 2004  Maciej W. Rozycki
- * Copyright (C) 2001, 2004  MIPS Inc.
+ * Copyright (C) 2001, 2004, 2011, 2012  MIPS Technologies, Inc.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
@@ -199,6 +199,7 @@ void __init check_wait(void)
 		cpu_wait = rm7k_wait_irqoff;
 		break;
 
+	case CPU_M14KC:
 	case CPU_24K:
 	case CPU_34K:
 	case CPU_1004K:
@@ -831,6 +832,10 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
 		c->cputype = CPU_74K;
 		__cpu_name[cpu] = "MIPS 74Kc";
 		break;
+	case PRID_IMP_M14KC:
+		c->cputype = CPU_M14KC;
+		__cpu_name[cpu] = "MIPS M14Kc";
+		break;
 	case PRID_IMP_1004K:
 		c->cputype = CPU_1004K;
 		__cpu_name[cpu] = "MIPS 1004Kc";
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 07ca54c..52b4dfd 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1069,6 +1069,7 @@ static void __cpuinit probe_pcache(void)
 			write_c0_config6(read_c0_config6() | MIPS_CONF6_SYND);
 		}
 		/* fall through */
+	case CPU_M14KC:
 	case CPU_24K:
 	case CPU_34K:
 	case CPU_1004K:
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 0bc485b..897b727 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -8,7 +8,8 @@
  * Copyright (C) 2004, 2005, 2006, 2008  Thiemo Seufer
  * Copyright (C) 2005, 2007, 2008, 2009  Maciej W. Rozycki
  * Copyright (C) 2006  Ralf Baechle (ralf@xxxxxxxxxxxxxx)
- * Copyright (C) 2008, 2009 Cavium Networks, Inc.
+ * Copyright (C) 2008, 2009  Cavium Networks, Inc.
+ * Copyright (C) 2011  MIPS Technologies, Inc.
  *
  * ... and the days got worse and worse and now you see
  * I've gone completly out of my mind.
@@ -494,6 +495,7 @@ static void __cpuinit build_tlb_write_entry(u32 **p, struct uasm_label **l,
 	case CPU_R14000:
 	case CPU_4KC:
 	case CPU_4KEC:
+	case CPU_M14KC:
 	case CPU_SB1:
 	case CPU_SB1A:
 	case CPU_4KSC:
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index d1f2d4c..b6e3782 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -78,6 +78,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 
 	switch (current_cpu_type()) {
 	case CPU_5KC:
+	case CPU_M14KC:
 	case CPU_20KC:
 	case CPU_24K:
 	case CPU_25KF:
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index 53bbe55..4c1e21b 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -317,6 +317,10 @@ static int __init mipsxx_init(void)
 
 	op_model_mipsxx_ops.num_counters = counters;
 	switch (current_cpu_type()) {
+	case CPU_M14KC:
+		op_model_mipsxx_ops.cpu_type = "mips/M14Kc";
+		break;
+
 	case CPU_20KC:
 		op_model_mipsxx_ops.cpu_type = "mips/20K";
 		break;
-- 
1.7.10