Add support for SB1A CPU.

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

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;
 	}
 }
 

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",

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:

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 */

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