Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (49 commits)
  [POWERPC] Add zImage.iseries to arch/powerpc/boot/.gitignore
  [POWERPC] bootwrapper: fix build error on virtex405-head.S
  [POWERPC] 4xx: Fix 460GT support to not enable FPU
  [POWERPC] 4xx: Add NOR FLASH entries to Canyonlands and Glacier dts
  [POWERPC] Xilinx: of_serial support for Xilinx uart 16550.
  [POWERPC] Xilinx: boot support for Xilinx uart 16550.
  [POWERPC] celleb: Add support for PCI Express
  [POWERPC] celleb: Move miscellaneous files for Beat
  [POWERPC] celleb: Move a file for SPU on Beat
  [POWERPC] celleb: Move files for Beat mmu and iommu
  [POWERPC] celleb: Move files for Beat hvcall interfaces
  [POWERPC] celleb: Move the SCC related code for celleb
  [POWERPC] celleb: Move the files for celleb base support
  [POWERPC] celleb: Consolidate io-workarounds code
  [POWERPC] cell: Generalize io-workarounds code
  [POWERPC] Add CONFIG_PPC_PSERIES_DEBUG to enable debugging for platforms/pseries
  [POWERPC] Convert from DBG() to pr_debug() in platforms/pseries/
  [POWERPC] Register udbg console early on pseries LPAR
  [POWERPC] Mark udbg console as CON_ANYTIME, ie. callable early in boot
  [POWERPC] Set udbg_console index to 0
  ...

1 files changed, 66 insertions, 17 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 4bb2e9310a56..20f45a8b87e3 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -626,20 +626,6 @@ config ADVANCED_OPTIONS
 comment "Default settings for advanced configuration options are used"
         depends on !ADVANCED_OPTIONS
 
-config HIGHMEM_START_BOOL
-        bool "Set high memory pool address"
-        depends on ADVANCED_OPTIONS && HIGHMEM
-        help
-          This option allows you to set the base address of the kernel virtual
-          area used to map high memory pages.  This can be useful in
-          optimizing the layout of kernel virtual memory.
-
-          Say N here unless you know what you are doing.
-
-config HIGHMEM_START
-        hex "Virtual start address of high memory pool" if HIGHMEM_START_BOOL
-        default "0xfe000000"
-
 config LOWMEM_SIZE_BOOL
         bool "Set maximum low memory"
         depends on ADVANCED_OPTIONS
@@ -656,21 +642,76 @@ config LOWMEM_SIZE
         hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
         default "0x30000000"
 
+config RELOCATABLE
+        bool "Build a relocatable kernel (EXPERIMENTAL)"
+        depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE
+        help
+          This builds a kernel image that is capable of running at the
+          location the kernel is loaded at (some alignment restrictions may
+          exist).
+
+          One use is for the kexec on panic case where the recovery kernel
+          must live at a different physical address than the primary
+          kernel.
+
+          Note: If CONFIG_RELOCATABLE=y, then the kernel runs from the address
+          it has been loaded at and the compile time physical addresses
+          CONFIG_PHYSICAL_START is ignored.  However CONFIG_PHYSICAL_START
+          setting can still be useful to bootwrappers that need to know the
+          load location of the kernel (eg. u-boot/mkimage).
+
+config PAGE_OFFSET_BOOL
+        bool "Set custom page offset address"
+        depends on ADVANCED_OPTIONS
+        help
+          This option allows you to set the kernel virtual address at which
+          the kernel will map low memory.  This can be useful in optimizing
+          the virtual memory layout of the system.
+
+          Say N here unless you know what you are doing.
+
+config PAGE_OFFSET
+        hex "Virtual address of memory base" if PAGE_OFFSET_BOOL
+        default "0xc0000000"
+
 config KERNEL_START_BOOL
         bool "Set custom kernel base address"
         depends on ADVANCED_OPTIONS
         help
           This option allows you to set the kernel virtual address at which
-          the kernel will map low memory (the kernel image will be linked at
-          this address).  This can be useful in optimizing the virtual memory
-          layout of the system.
+          the kernel will be loaded.  Normally this should match PAGE_OFFSET
+          however there are times (like kdump) that one might not want them
+          to be the same.
 
           Say N here unless you know what you are doing.
 
 config KERNEL_START
         hex "Virtual address of kernel base" if KERNEL_START_BOOL
+        default PAGE_OFFSET if PAGE_OFFSET_BOOL
+        default "0xc2000000" if CRASH_DUMP
         default "0xc0000000"
 
+config PHYSICAL_START_BOOL
+        bool "Set physical address where the kernel is loaded"
+        depends on ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE
+        help
+          This gives the physical address where the kernel is loaded.
+
+          Say N here unless you know what you are doing.
+
+config PHYSICAL_START
+        hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL
+        default "0x02000000" if PPC_STD_MMU && CRASH_DUMP
+        default "0x00000000"
+
+config PHYSICAL_ALIGN
+        hex
+        default "0x10000000" 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
+          address which meets above alignment restriction.
+
 config TASK_SIZE_BOOL
         bool "Set custom user task size"
         depends on ADVANCED_OPTIONS
@@ -717,9 +758,17 @@ config PIN_TLB
 endmenu
 
 if PPC64
+config PAGE_OFFSET
+        hex
+        default "0xc000000000000000"
 config KERNEL_START
         hex
+        default "0xc000000002000000" if CRASH_DUMP
         default "0xc000000000000000"
+config PHYSICAL_START
+        hex
+        default "0x02000000" if CRASH_DUMP
+        default "0x00000000"
 endif
 
 source "net/Kconfig"