1 files changed, 50 insertions, 27 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 74cc312c347c..45192dce65c4 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -111,6 +111,7 @@ config PPC
         select HAVE_FTRACE_MCOUNT_RECORD
         select HAVE_DYNAMIC_FTRACE
         select HAVE_FUNCTION_TRACER
+        select HAVE_FUNCTION_GRAPH_TRACER
         select ARCH_WANT_OPTIONAL_GPIOLIB
         select HAVE_IDE
         select HAVE_IOREMAP_PROT
@@ -227,6 +228,9 @@ config PPC_OF_PLATFORM_PCI
         depends on PPC64 # not supported on 32 bits yet
         default n
 
+config ARCH_SUPPORTS_DEBUG_PAGEALLOC
+        def_bool y
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
@@ -312,7 +316,7 @@ config ARCH_ENABLE_MEMORY_HOTREMOVE
 
 config KEXEC
         bool "kexec system call (EXPERIMENTAL)"
-        depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL
+        depends on BOOK3S && EXPERIMENTAL
         help
           kexec is a system call that implements the ability to shutdown your
           current kernel, and to start another kernel.  It is like a reboot
@@ -409,6 +413,18 @@ config PPC_HAS_HASH_64K
         depends on PPC64
         default n
 
+config STDBINUTILS
+        bool "Using standard binutils settings"
+        depends on 44x
+        default y
+        help
+          Turning this option off allows you to select 256KB PAGE_SIZE on 44x.
+          Note, that kernel will be able to run only those applications,
+          which had been compiled using binutils later than 2.17.50.0.3 with
+          '-zmax-page-size' set to 256K (the default is 64K). Or, if using
+          the older binutils, you can patch them with a trivial patch, which
+          changes the ELF_MAXPAGESIZE definition from 0x10000 to 0x40000.
+
 choice
         prompt "Page size"
         default PPC_4K_PAGES
@@ -444,6 +460,19 @@ config PPC_64K_PAGES
         bool "64k page size" if 44x || PPC_STD_MMU_64
         select PPC_HAS_HASH_64K if PPC_STD_MMU_64
 
+config PPC_256K_PAGES
+        bool "256k page size" if 44x
+        depends on !STDBINUTILS && (!SHMEM || BROKEN)
+        help
+          Make the page size 256k.
+
+          As the ELF standard only requires alignment to support page
+          sizes up to 64k, you will need to compile all of your user
+          space applications with a non-standard binutils settings
+          (see the STDBINUTILS description for details).
+
+          Say N unless you know what you are doing.
+
 endchoice
 
 config FORCE_MAX_ZONEORDER
@@ -456,6 +485,8 @@ config FORCE_MAX_ZONEORDER
         default "9" if PPC_STD_MMU_32 && PPC_16K_PAGES
         range 7 64 if PPC_STD_MMU_32 && PPC_64K_PAGES
         default "7" if PPC_STD_MMU_32 && PPC_64K_PAGES
+        range 5 64 if PPC_STD_MMU_32 && PPC_256K_PAGES
+        default "5" if PPC_STD_MMU_32 && PPC_256K_PAGES
         range 11 64
         default "11"
         help
@@ -594,6 +625,7 @@ config FSL_SOC
 config FSL_PCI
         bool
         select PPC_INDIRECT_PCI
+        select PCI_QUIRKS
 
 config 4xx_SOC
         bool
@@ -730,6 +762,22 @@ config LOWMEM_SIZE
         hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
         default "0x30000000"
 
+config LOWMEM_CAM_NUM_BOOL
+        bool "Set number of CAMs to use to map low memory"
+        depends on ADVANCED_OPTIONS && FSL_BOOKE
+        help
+          This option allows you to set the maximum number of CAM slots that
+          will be used to map low memory.  There are a limited number of slots
+          available and even more limited number that will fit in the L1 MMU.
+          However, using more entries will allow mapping more low memory.  This
+          can be useful in optimizing the layout of kernel virtual memory.
+
+          Say N here unless you know what you are doing.
+
+config LOWMEM_CAM_NUM
+        int "Number of CAMs to use to map low memory" if LOWMEM_CAM_NUM_BOOL
+        default 3
+
 config RELOCATABLE
         bool "Build a relocatable kernel (EXPERIMENTAL)"
         depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE
@@ -794,7 +842,7 @@ config PHYSICAL_START
 
 config PHYSICAL_ALIGN
         hex
-        default "0x10000000" if FSL_BOOKE
+        default "0x04000000" if FSL_BOOKE
         help
           This value puts the alignment restrictions on physical address
           where kernel is loaded and run from. Kernel is compiled for an
@@ -815,31 +863,6 @@ config TASK_SIZE
         default "0x80000000" if PPC_PREP || PPC_8xx
         default "0xc0000000"
 
-config CONSISTENT_START_BOOL
-        bool "Set custom consistent memory pool address"
-        depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
-        help
-          This option allows you to set the base virtual address
-          of the consistent memory pool.  This pool of virtual
-          memory is used to make consistent memory allocations.
-
-config CONSISTENT_START
-        hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
-        default "0xfd000000" if (NOT_COHERENT_CACHE && 8xx)
-        default "0xff100000" if NOT_COHERENT_CACHE
-
-config CONSISTENT_SIZE_BOOL
-        bool "Set custom consistent memory pool size"
-        depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
-        help
-          This option allows you to set the size of the
-          consistent memory pool.  This pool of virtual memory
-          is used to make consistent memory allocations.
-
-config CONSISTENT_SIZE
-        hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
-        default "0x00200000" if NOT_COHERENT_CACHE
-
 config PIN_TLB
         bool "Pinned Kernel TLBs (860 ONLY)"
         depends on ADVANCED_OPTIONS && 8xx