powerpc: Remaining 64-bit Book3E support

This contains all the bits that didn't fit in previous patches :-) This
includes the actual exception handlers assembly, the changes to the
kernel entry, other misc bits and wiring it all up in Kconfig.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 33 insertions, 5 deletions

diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index 61187bec7506..9efc8bda01b4 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -57,15 +57,35 @@ config E200
 
 endchoice
 
-config PPC_BOOK3S_64
-        def_bool y
+choice
+        prompt "Processor Type"
         depends on PPC64
+        help
+          There are two families of 64 bit PowerPC chips supported.
+          The most common ones are the desktop and server CPUs
+          (POWER3, RS64, POWER4, POWER5, POWER5+, POWER6, ...)
+
+          The other are the "embedded" processors compliant with the
+          "Book 3E" variant of the architecture
+
+config PPC_BOOK3S_64
+        bool "Server processors"
         select PPC_FPU
 
+config PPC_BOOK3E_64
+        bool "Embedded processors"
+        select PPC_FPU # Make it a choice ?
+
+endchoice
+
 config PPC_BOOK3S
         def_bool y
         depends on PPC_BOOK3S_32 || PPC_BOOK3S_64
 
+config PPC_BOOK3E
+        def_bool y
+        depends on PPC_BOOK3E_64
+
 config POWER4_ONLY
         bool "Optimize for POWER4"
         depends on PPC64 && PPC_BOOK3S
@@ -125,7 +145,7 @@ config 4xx
 
 config BOOKE
         bool
-        depends on E200 || E500 || 44x
+        depends on E200 || E500 || 44x || PPC_BOOK3E
         default y
 
 config FSL_BOOKE
@@ -223,9 +243,17 @@ config PPC_MMU_NOHASH
         def_bool y
         depends on !PPC_STD_MMU
 
+config PPC_MMU_NOHASH_32
+        def_bool y
+        depends on PPC_MMU_NOHASH && PPC32
+
+config PPC_MMU_NOHASH_64
+        def_bool y
+        depends on PPC_MMU_NOHASH && PPC64
+
 config PPC_BOOK3E_MMU
         def_bool y
-        depends on FSL_BOOKE
+        depends on FSL_BOOKE || PPC_BOOK3E
 
 config PPC_MM_SLICES
         bool
@@ -257,7 +285,7 @@ config PPC_PERF_CTRS
          This enables the powerpc-specific perf_counter back-end.
 
 config SMP
-        depends on PPC_STD_MMU || FSL_BOOKE
+        depends on PPC_BOOK3S || PPC_BOOK3E || FSL_BOOKE
         bool "Symmetric multi-processing support"
         ---help---
           This enables support for systems with more than one CPU. If you have