X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=arch%2Fmips%2Fkernel%2Fcpu-probe.c;h=71620e19827ad681a7834f0e400104cec4968ef2;hb=82279e6bd7643da1b3fbda42555c3238c7b00d38;hp=b1b304ea21288414415ec02f9005ee6e5eec9b2e;hpb=c64557d666eb62eb5f296c6b93bd0a5525ed1e36;p=karo-tx-linux.git

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)