1 files changed, 53 insertions, 29 deletions

diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index b1b304ea2128..71620e19827a 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -25,6 +25,8 @@
 #include <asm/system.h>
 #include <asm/watch.h>
 #include <asm/spram.h>
+#include <asm/uaccess.h>
+
 /*
  * Not all of the MIPS CPUs have the "wait" instruction available. Moreover,
  * the implementation of the "wait" feature differs between CPU families. This
@@ -181,12 +183,13 @@ void __init check_wait(void)
         case CPU_5KC:
         case CPU_25KF:
         case CPU_PR4450:
-        case CPU_BCM3302:
-        case CPU_BCM6338:
-        case CPU_BCM6348:
-        case CPU_BCM6358:
+        case CPU_BMIPS3300:
+        case CPU_BMIPS4350:
+        case CPU_BMIPS4380:
+        case CPU_BMIPS5000:
         case CPU_CAVIUM_OCTEON:
         case CPU_CAVIUM_OCTEON_PLUS:
+        case CPU_CAVIUM_OCTEON2:
         case CPU_JZRISC:
                 cpu_wait = r4k_wait;
                 break;
@@ -902,33 +905,37 @@ static inline void cpu_probe_broadcom(struct cpuinfo_mips *c, unsigned int cpu)
 {
         decode_configs(c);
         switch (c->processor_id & 0xff00) {
-        case PRID_IMP_BCM3302:
-         /* same as PRID_IMP_BCM6338 */
-                c->cputype = CPU_BCM3302;
-                __cpu_name[cpu] = "Broadcom BCM3302";
-                break;
-        case PRID_IMP_BCM4710:
-                c->cputype = CPU_BCM4710;
-                __cpu_name[cpu] = "Broadcom BCM4710";
-                break;
-        case PRID_IMP_BCM6345:
-                c->cputype = CPU_BCM6345;
-                __cpu_name[cpu] = "Broadcom BCM6345";
+        case PRID_IMP_BMIPS32:
+                c->cputype = CPU_BMIPS32;
+                __cpu_name[cpu] = "Broadcom BMIPS32";
+                break;
+        case PRID_IMP_BMIPS3300:
+        case PRID_IMP_BMIPS3300_ALT:
+        case PRID_IMP_BMIPS3300_BUG:
+                c->cputype = CPU_BMIPS3300;
+                __cpu_name[cpu] = "Broadcom BMIPS3300";
+                break;
+        case PRID_IMP_BMIPS43XX: {
+                int rev = c->processor_id & 0xff;
+
+                if (rev >= PRID_REV_BMIPS4380_LO &&
+                                rev <= PRID_REV_BMIPS4380_HI) {
+                        c->cputype = CPU_BMIPS4380;
+                        __cpu_name[cpu] = "Broadcom BMIPS4380";
+                } else {
+                        c->cputype = CPU_BMIPS4350;
+                        __cpu_name[cpu] = "Broadcom BMIPS4350";
+                }
                 break;
-        case PRID_IMP_BCM6348:
-                c->cputype = CPU_BCM6348;
-                __cpu_name[cpu] = "Broadcom BCM6348";
+        }
+        case PRID_IMP_BMIPS5000:
+                c->cputype = CPU_BMIPS5000;
+                __cpu_name[cpu] = "Broadcom BMIPS5000";
+                c->options |= MIPS_CPU_ULRI;
                 break;
-        case PRID_IMP_BCM4350:
-                switch (c->processor_id & 0xf0) {
-                case PRID_REV_BCM6358:
-                        c->cputype = CPU_BCM6358;
-                        __cpu_name[cpu] = "Broadcom BCM6358";
-                        break;
-                default:
-                        c->cputype = CPU_UNKNOWN;
-                        break;
-                }
+        case PRID_IMP_BMIPS4KC:
+                c->cputype = CPU_4KC;
+                __cpu_name[cpu] = "MIPS 4Kc";
                 break;
         }
 }
@@ -953,6 +960,12 @@ platform:
                 if (cpu == 0)
                         __elf_platform = "octeon";
                 break;
+        case PRID_IMP_CAVIUM_CN63XX:
+                c->cputype = CPU_CAVIUM_OCTEON2;
+                __cpu_name[cpu] = "Cavium Octeon II";
+                if (cpu == 0)
+                        __elf_platform = "octeon2";
+                break;
         default:
                 printk(KERN_INFO "Unknown Octeon chip!\n");
                 c->cputype = CPU_UNKNOWN;
@@ -976,6 +989,12 @@ static inline void cpu_probe_ingenic(struct cpuinfo_mips *c, unsigned int cpu)
         }
 }
 
+#ifdef CONFIG_64BIT
+/* For use by uaccess.h */
+u64 __ua_limit;
+EXPORT_SYMBOL(__ua_limit);
+#endif
+
 const char *__cpu_name[NR_CPUS];
 const char *__elf_platform;
 
@@ -1053,6 +1072,11 @@ __cpuinit void cpu_probe(void)
                 c->srsets = 1;
 
         cpu_probe_vmbits(c);
+
+#ifdef CONFIG_64BIT
+        if (cpu == 0)
+                __ua_limit = ~((1ull << cpu_vmbits) - 1);
+#endif
 }
 
 __cpuinit void cpu_report(void)