Add support for SB1A CPU.

    
Signed-Off-By: Andy Isaacson <adi@broadcom.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

5 files changed, 9 insertions, 2 deletions

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index f7a841573b84..a263fb7a3971 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -623,6 +623,9 @@ static inline void cpu_probe_sibyte(struct cpuinfo_mips *c)
                 c->options &= ~(MIPS_CPU_FPU | MIPS_CPU_32FPR);
 #endif
                 break;
+        case PRID_IMP_SB1A:
+                c->cputype = CPU_SB1A;
+                break;
         }
 }
 
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index f2b0446e44bc..86fe15b273cd 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -56,6 +56,7 @@ static const char *cpu_name[] = {
         [CPU_5KC]       = "MIPS 5Kc",
         [CPU_R4310]     = "R4310",
         [CPU_SB1]       = "SiByte SB1",
+        [CPU_SB1A]      = "SiByte SB1A",
         [CPU_TX3912]    = "TX3912",
         [CPU_TX3922]    = "TX3922",
         [CPU_TX3927]    = "TX3927",
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 240537d263ff..0f9485806bac 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -854,6 +854,7 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
         case CPU_R12000:
         case CPU_4KC:
         case CPU_SB1:
+        case CPU_SB1A:
         case CPU_4KSC:
         case CPU_20KC:
         case CPU_25KF:
diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
index 16c1c08d0a03..42520cc84b0f 100644
--- a/include/asm-mips/addrspace.h
+++ b/include/asm-mips/addrspace.h
@@ -162,7 +162,7 @@
 #define TO_PHYS_MASK    _LLCONST_(0x000000ffffffffff)   /* 2^^40 - 1 */
 #endif
 
-#if defined(CONFIG_CPU_SB1)
+#if defined(CONFIG_CPU_SB1) || defined(CONFIG_CPU_SB1A)
 #define KUSIZE          _LLCONST_(0x0000100000000000)   /* 2^^44 */
 #define KUSIZE_64       _LLCONST_(0x0000100000000000)   /* 2^^44 */
 #define K0SIZE          _LLCONST_(0x0000100000000000)   /* 2^^44 */
diff --git a/include/asm-mips/cpu.h b/include/asm-mips/cpu.h
index 46b2a8dc2ee0..48eac296060f 100644
--- a/include/asm-mips/cpu.h
+++ b/include/asm-mips/cpu.h
@@ -93,6 +93,7 @@
  */
 
 #define PRID_IMP_SB1            0x0100
+#define PRID_IMP_SB1A           0x1100
 
 /*
  * These are the PRID's for when 23:16 == PRID_COMP_SANDCRAFT
@@ -194,7 +195,8 @@
 #define CPU_AU1200              59
 #define CPU_34K                 60
 #define CPU_PR4450              61
-#define CPU_LAST                61
+#define CPU_SB1A                62
+#define CPU_LAST                62
 
 /*
  * ISA Level encodings