diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 52 |
1 files changed, 38 insertions, 14 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index de88972c589..5b1527883fc 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -19,8 +19,8 @@ config WORD_SIZE default 64 if PPC64 default 32 if !PPC64 -config PPC_MERGE - def_bool y +config ARCH_PHYS_ADDR_T_64BIT + def_bool PPC64 || PHYS_64BIT config MMU bool @@ -110,9 +110,14 @@ config PPC default y select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE + select ARCH_WANT_OPTIONAL_GPIOLIB select HAVE_IDE + select HAVE_IOREMAP_PROT + select HAVE_EFFICIENT_UNALIGNED_ACCESS select HAVE_KPROBES + select HAVE_ARCH_KGDB select HAVE_KRETPROBES + select HAVE_ARCH_TRACEHOOK select HAVE_LMB select HAVE_DMA_ATTRS if PPC64 select USE_GENERIC_SMP_HELPERS if SMP @@ -199,7 +204,7 @@ config ARCH_HIBERNATION_POSSIBLE config ARCH_SUSPEND_POSSIBLE def_bool y - depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 + depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx config PPC_DCR_NATIVE bool @@ -222,6 +227,8 @@ config PPC_OF_PLATFORM_PCI source "init/Kconfig" +source "kernel/Kconfig.freezer" + source "arch/powerpc/sysdev/Kconfig" source "arch/powerpc/platforms/Kconfig" @@ -316,13 +323,11 @@ config KEXEC config CRASH_DUMP bool "Build a kdump crash kernel" - depends on PPC_MULTIPLATFORM && PPC64 + depends on PPC_MULTIPLATFORM && PPC64 && RELOCATABLE help Build a kernel suitable for use as a kdump capture kernel. - The kernel will be linked at a different address than normal, and - so can only be used for Kdump. - - Don't change this unless you know what you are doing. + The same kernel binary can be used as production kernel and dump + capture kernel. config PHYP_DUMP bool "Hypervisor-assisted dump (EXPERIMENTAL)" @@ -410,8 +415,11 @@ config PPC_64K_PAGES config FORCE_MAX_ZONEORDER int "Maximum zone order" + range 9 64 if PPC_64K_PAGES default "9" if PPC_64K_PAGES + range 13 64 if PPC64 && !PPC_64K_PAGES default "13" if PPC64 && !PPC_64K_PAGES + range 11 64 default "11" help The kernel memory allocator divides physically contiguous memory @@ -568,11 +576,15 @@ config FSL_GTM config MCA bool +# Platforms that what PCI turned unconditionally just do select PCI +# in their config node. Platforms that want to choose at config +# time should select PPC_PCI_CHOICE +config PPC_PCI_CHOICE + bool + config PCI - bool "PCI support" if 40x || CPM2 || PPC_83xx || PPC_85xx || PPC_86xx \ - || PPC_MPC52xx || (EMBEDDED && (PPC_PSERIES || PPC_ISERIES)) \ - || PPC_PS3 || 44x - default y if !40x && !CPM2 && !8xx && !PPC_MPC512x && !PPC_83xx \ + bool "PCI support" if PPC_PCI_CHOICE + default y if !40x && !CPM2 && !8xx && !PPC_83xx \ && !PPC_85xx && !PPC_86xx default PCI_PERMEDIA if !4xx && !CPM2 && !8xx default PCI_QSPAN if !4xx && !CPM2 && 8xx @@ -797,16 +809,27 @@ config PIN_TLB endmenu if PPC64 +config RELOCATABLE + bool "Build a relocatable kernel" + help + This builds a kernel image that is capable of running anywhere + in the RMA (real memory area) at any 16k-aligned base address. + The kernel is linked as a position-independent executable (PIE) + and contains dynamic relocations which are processed early + in the bootup process. + + One use is for the kexec on panic case where the recovery kernel + must live at a different physical address than the primary + kernel. + 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 @@ -838,6 +861,7 @@ source "crypto/Kconfig" config PPC_CLOCK bool default n + select HAVE_CLK config PPC_LIB_RHEAP bool |