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

* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
  [MIPS] Fix scheduling latency issue on 24K, 34K and 74K cores
  [MIPS] Add macros to encode processor revisions.
  [MIPS] RM7000: Enable ICACHE_REFILLS_WORKAROUND_WAR.
  [MIPS] SMTC: Fix cut'n'paste bug in Kconfig.debug
  [MIPS] Change libgcc-style functions from lib-y to obj-y
  [MIPS] Fix timer/performance interrupt detection
  [MIPS] AP/SP: Avoid triggering the 34K E125 performance issue
  [MIPS] 64-bit TO_PHYS_MASK macro for RM9000 processors

4 files changed, 25 insertions, 7 deletions

diff --git a/include/asm-mips/addrspace.h b/include/asm-mips/addrspace.h
index c627508..964c5ed 100644
--- a/include/asm-mips/addrspace.h
+++ b/include/asm-mips/addrspace.h
@@ -133,6 +133,7 @@
     || defined (CONFIG_CPU_R4X00)					\
     || defined (CONFIG_CPU_R5000)					\
     || defined (CONFIG_CPU_RM7000)					\
+    || defined (CONFIG_CPU_RM9000)					\
     || defined (CONFIG_CPU_NEVADA)					\
     || defined (CONFIG_CPU_TX49XX)					\
     || defined (CONFIG_CPU_MIPS64)
diff --git a/include/asm-mips/cpu.h b/include/asm-mips/cpu.h
index d38fdbf..2924069 100644
--- a/include/asm-mips/cpu.h
+++ b/include/asm-mips/cpu.h
@@ -125,6 +125,17 @@
 #define PRID_REV_VR4130		0x0080
 
 /*
+ * Older processors used to encode processor version and revision in two
+ * 4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
+ * have switched to use the 8-bits as 3:3:2 bitfield with the last field as
+ * the patch number.  *ARGH*
+ */
+#define PRID_REV_ENCODE_44(ver, rev)					\
+	((ver) << 4 | (rev))
+#define PRID_REV_ENCODE_332(ver, rev, patch)				\
+	((ver) << 5 | (rev) << 2 | (patch))
+
+/*
  * FPU implementation/revision register (CP1 control register 0).
  *
  * +---------------------------------+----------------+----------------+
diff --git a/include/asm-mips/mipsregs.h b/include/asm-mips/mipsregs.h
index 9985cb7..89c8192 100644
--- a/include/asm-mips/mipsregs.h
+++ b/include/asm-mips/mipsregs.h
@@ -534,6 +534,8 @@
 #define MIPS_CONF3_LPA		(_ULCAST_(1) <<  7)
 #define MIPS_CONF3_DSP		(_ULCAST_(1) << 10)
 
+#define MIPS_CONF7_WII		(_ULCAST_(1) << 31)
+
 /*
  * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
  */
diff --git a/include/asm-mips/war.h b/include/asm-mips/war.h
index 13a3502..ec0eeeb 100644
--- a/include/asm-mips/war.h
+++ b/include/asm-mips/war.h
@@ -177,18 +177,22 @@
 #endif
 
 /*
- * The RM9000 has a bug (though PMC-Sierra opposes it being called that)
- * where invalid instructions in the same I-cache line worth of instructions
- * being fetched may case spurious exceptions.
- */
-#if defined(CONFIG_MOMENCO_JAGUAR_ATX) || defined(CONFIG_MOMENCO_OCELOT_3) || \
-    defined(CONFIG_PMC_YOSEMITE) || defined(CONFIG_BASLER_EXCITE)
+ * The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
+ * opposes it being called that) where invalid instructions in the same
+ * I-cache line worth of instructions being fetched may case spurious
+ * exceptions.
+ */
+#if defined(CONFIG_BASLER_EXCITE) || defined(CONFIG_MOMENCO_JAGUAR_ATX) || \
+    defined(CONFIG_MIPS_ATLAS) || defined(CONFIG_MIPS_MALTA) || \
+    defined(CONFIG_MOMENCO_OCELOT) || defined(CONFIG_MOMENCO_OCELOT_3) || \
+    defined(CONFIG_MOMENCO_OCELOT_C) || defined(CONFIG_PMC_YOSEMITE) || \
+    defined(CONFIG_SGI_IP32) || defined(CONFIG_WR_PPMC)
 #define ICACHE_REFILLS_WORKAROUND_WAR	1
 #endif
 
 
 /*
- * ON the R10000 upto version 2.6 (not sure about 2.7) there is a bug that
+ * On the R10000 upto version 2.6 (not sure about 2.7) there is a bug that
  * may cause ll / sc and lld / scd sequences to execute non-atomically.
  */
 #ifdef CONFIG_SGI_IP27