Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (141 commits)
  MIPS: Alchemy: defconfig updates
  MIPS: Alchemy: Fix Au1100 ethernet build failure
  MIPS: Alchemy: Repair db1500/bosporus builds
  MIPS: ARC: Cleanup unused definitions from sgialib.h
  MIPS: Cobalt: convert legacy port addresses to GT-64111 bus addresses
  MIPS: Alchemy: use 36bit addresses for PCMCIA resources.
  MIPS: Cobalt: Fix theoretical port aliasing issue
  MIPS: Use ALIGN(x, bytes) instead of __ALIGN_MASK(x, bytes - 1)
  MIPS: Crazy spinlock speed test.
  MIPS: Optimize spinlocks.
  MIPS: Alchemy: devboard PM needs to save CPLD registers.
  MIPS: PowerTV: Eliminate duplicate opcode definition macros
  MIPS: Lemote 2F: Move printks out of port_access_lock.
  MIPS: PNX833x: Convert IRQ controller locks to raw spinlocks.
  MIPS: Octeon: Replace spinlock with raw_spinlocks in dma-octeon.c.
  MIPS: Octeon: Replace rwlocks in irq_chip handlers with raw_spinlocks.
  MIPS: Octeon: Convert octeon_irq_msi_lock to raw spinlock.
  MIPS: Loongson: Remove pointless sample_lock from oprofile code.
  MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock.
  MIPS: i8259: Convert IRQ controller lock to raw spinlock.
  ...

1 files changed, 25 insertions, 5 deletions

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 758ad426c57..be5bb16be4e 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -162,6 +162,7 @@ void __init check_wait(void)
         case CPU_BCM6348:
         case CPU_BCM6358:
         case CPU_CAVIUM_OCTEON:
+        case CPU_CAVIUM_OCTEON_PLUS:
                 cpu_wait = r4k_wait;
                 break;
 
@@ -700,6 +701,19 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
         return config3 & MIPS_CONF_M;
 }
 
+static inline unsigned int decode_config4(struct cpuinfo_mips *c)
+{
+        unsigned int config4;
+
+        config4 = read_c0_config4();
+
+        if ((config4 & MIPS_CONF4_MMUEXTDEF) == MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT
+            && cpu_has_tlb)
+                c->tlbsize += (config4 & MIPS_CONF4_MMUSIZEEXT) * 0x40;
+
+        return config4 & MIPS_CONF_M;
+}
+
 static void __cpuinit decode_configs(struct cpuinfo_mips *c)
 {
         int ok;
@@ -718,6 +732,8 @@ static void __cpuinit decode_configs(struct cpuinfo_mips *c)
                 ok = decode_config2(c);
         if (ok)
                 ok = decode_config3(c);
+        if (ok)
+                ok = decode_config4(c);
 
         mips_probe_watch_registers(c);
 }
@@ -731,9 +747,6 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c, unsigned int cpu)
                 __cpu_name[cpu] = "MIPS 4Kc";
                 break;
         case PRID_IMP_4KEC:
-                c->cputype = CPU_4KEC;
-                __cpu_name[cpu] = "MIPS 4KEc";
-                break;
         case PRID_IMP_4KECR2:
                 c->cputype = CPU_4KEC;
                 __cpu_name[cpu] = "MIPS 4KEc";
@@ -899,12 +912,18 @@ static inline void cpu_probe_cavium(struct cpuinfo_mips *c, unsigned int cpu)
         case PRID_IMP_CAVIUM_CN38XX:
         case PRID_IMP_CAVIUM_CN31XX:
         case PRID_IMP_CAVIUM_CN30XX:
+                c->cputype = CPU_CAVIUM_OCTEON;
+                __cpu_name[cpu] = "Cavium Octeon";
+                goto platform;
         case PRID_IMP_CAVIUM_CN58XX:
         case PRID_IMP_CAVIUM_CN56XX:
         case PRID_IMP_CAVIUM_CN50XX:
         case PRID_IMP_CAVIUM_CN52XX:
-                c->cputype = CPU_CAVIUM_OCTEON;
-                __cpu_name[cpu] = "Cavium Octeon";
+                c->cputype = CPU_CAVIUM_OCTEON_PLUS;
+                __cpu_name[cpu] = "Cavium Octeon+";
+platform:
+                if (cpu == 0)
+                        __elf_platform = "octeon";
                 break;
         default:
                 printk(KERN_INFO "Unknown Octeon chip!\n");
@@ -914,6 +933,7 @@ static inline void cpu_probe_cavium(struct cpuinfo_mips *c, unsigned int cpu)
 }
 
 const char *__cpu_name[NR_CPUS];
+const char *__elf_platform;
 
 __cpuinit void cpu_probe(void)
 {