diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 557 |
1 files changed, 364 insertions, 193 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 79f25cef32d..80b94b0add1 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -1,15 +1,13 @@ -# For a description of the syntax of this configuration file, -# see Documentation/kbuild/kconfig-language.txt. -# - -mainmenu "Linux/PowerPC Kernel Configuration" - source "arch/powerpc/platforms/Kconfig.cputype" config PPC32 bool default y if !PPC64 +config 32BIT + bool + default y if PPC32 + config 64BIT bool default y if PPC64 @@ -22,32 +20,28 @@ config WORD_SIZE config ARCH_PHYS_ADDR_T_64BIT def_bool PPC64 || PHYS_64BIT -config MMU - bool - default y - -config GENERIC_CMOS_UPDATE - def_bool y - -config GENERIC_TIME - def_bool y - -config GENERIC_TIME_VSYSCALL - def_bool y - -config GENERIC_CLOCKEVENTS - def_bool y +config ARCH_DMA_ADDR_T_64BIT + def_bool ARCH_PHYS_ADDR_T_64BIT -config GENERIC_HARDIRQS +config MMU bool default y config HAVE_SETUP_PER_CPU_AREA def_bool PPC64 -config IRQ_PER_CPU - bool - default y +config NEED_PER_CPU_EMBED_FIRST_CHUNK + def_bool PPC64 + +config NR_IRQS + int "Number of virtual interrupt numbers" + range 32 32768 + default "512" + help + This defines the number of virtual interrupt numbers the kernel + can manage. Virtual interrupt numbers are what you see in + /proc/interrupts. If you configure your system to have too few, + drivers will fail to load or worse - handle with care. config STACKTRACE_SUPPORT bool @@ -58,7 +52,6 @@ config HAVE_LATENCYTOP_SUPPORT config TRACE_IRQFLAGS_SUPPORT bool - depends on PPC64 default y config LOCKDEP_SUPPORT @@ -89,47 +82,88 @@ config GENERIC_HWEIGHT bool default y -config GENERIC_CALIBRATE_DELAY - bool - default y - -config GENERIC_FIND_NEXT_BIT - bool - default y - -config GENERIC_GPIO - bool - help - Generic GPIO API support - -config ARCH_NO_VIRT_TO_BUS - def_bool PPC64 - config PPC bool default y + select ARCH_MIGHT_HAVE_PC_PARPORT + select ARCH_MIGHT_HAVE_PC_SERIO + select BINFMT_ELF + select OF + select OF_EARLY_FLATTREE + select OF_RESERVED_MEM + select HAVE_FTRACE_MCOUNT_RECORD + select HAVE_DYNAMIC_FTRACE select HAVE_FUNCTION_TRACER + select HAVE_FUNCTION_GRAPH_TRACER + select SYSCTL_EXCEPTION_TRACE select ARCH_WANT_OPTIONAL_GPIOLIB + select VIRT_TO_BUS if !PPC64 select HAVE_IDE select HAVE_IOREMAP_PROT - select HAVE_EFFICIENT_UNALIGNED_ACCESS + select HAVE_EFFICIENT_UNALIGNED_ACCESS if !CPU_LITTLE_ENDIAN 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 + select HAVE_MEMBLOCK + select HAVE_MEMBLOCK_NODE_MAP + select HAVE_DMA_ATTRS + select HAVE_DMA_API_DEBUG select HAVE_OPROFILE + select HAVE_DEBUG_KMEMLEAK + select GENERIC_ATOMIC64 if PPC32 + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE + select HAVE_PERF_EVENTS + select HAVE_REGS_AND_STACK_ACCESS_API + select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64 + select ARCH_WANT_IPC_PARSE_VERSION + select SPARSE_IRQ + select IRQ_DOMAIN + select GENERIC_IRQ_SHOW + select GENERIC_IRQ_SHOW_LEVEL + select IRQ_FORCED_THREADING + select HAVE_RCU_TABLE_FREE if SMP + select HAVE_SYSCALL_TRACEPOINTS + select HAVE_BPF_JIT if PPC64 + select HAVE_ARCH_JUMP_LABEL + select ARCH_HAVE_NMI_SAFE_CMPXCHG + select GENERIC_SMP_IDLE_THREAD + select GENERIC_CMOS_UPDATE + select GENERIC_TIME_VSYSCALL_OLD + select GENERIC_CLOCKEVENTS + select GENERIC_CLOCKEVENTS_BROADCAST if SMP + select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST + select GENERIC_STRNCPY_FROM_USER + select GENERIC_STRNLEN_USER + select HAVE_MOD_ARCH_SPECIFIC + select MODULES_USE_ELF_RELA + select CLONE_BACKWARDS + select ARCH_USE_BUILTIN_BSWAP + select OLD_SIGSUSPEND + select OLD_SIGACTION if PPC32 + select HAVE_DEBUG_STACKOVERFLOW + select HAVE_IRQ_EXIT_ON_IRQ_STACK + select ARCH_USE_CMPXCHG_LOCKREF if PPC64 + select HAVE_ARCH_AUDITSYSCALL + select ARCH_SUPPORTS_ATOMIC_RMW + +config GENERIC_CSUM + def_bool CPU_LITTLE_ENDIAN config EARLY_PRINTK bool default y +config PANIC_TIMEOUT + int + default 180 + config COMPAT bool default y if PPC64 select COMPAT_BINFMT_ELF + select ARCH_WANT_OLD_COMPAT_IPC + select COMPAT_OLD_SIGACTION config SYSVIPC_COMPAT bool @@ -152,9 +186,6 @@ config ARCH_MAY_HAVE_PC_FDC config PPC_OF def_bool y -config OF - def_bool y - config PPC_UDBG_16550 bool default n @@ -177,33 +208,27 @@ config SYS_SUPPORTS_APM_EMULATION default y if PMAC_APM_EMU bool -config DEFAULT_UIMAGE +config EPAPR_BOOT bool help - Used to allow a board to specify it wants a uImage built by default + Used to allow a board to specify it wants an ePAPR compliant wrapper. default n -config REDBOOT - bool - -config HIBERNATE_32 - bool - depends on (PPC_PMAC && !SMP) || BROKEN - default y - -config HIBERNATE_64 +config DEFAULT_UIMAGE bool - depends on BROKEN || (PPC_PMAC64 && EXPERIMENTAL) - default y + help + Used to allow a board to specify it wants a uImage built by default + default n config ARCH_HIBERNATION_POSSIBLE bool - depends on (PPC64 && HIBERNATE_64) || (PPC32 && HIBERNATE_32) default y config ARCH_SUSPEND_POSSIBLE def_bool y - depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx + depends on ADB_PMU || PPC_EFIKA || PPC_LITE5200 || PPC_83xx || \ + (PPC_85xx && !PPC_E500MC) || PPC_86xx || PPC_PSERIES \ + || 44x || 40x config PPC_DCR_NATIVE bool @@ -224,6 +249,43 @@ config PPC_OF_PLATFORM_PCI depends on PPC64 # not supported on 32 bits yet default n +config ARCH_SUPPORTS_DEBUG_PAGEALLOC + def_bool y + +config ARCH_SUPPORTS_UPROBES + def_bool y + +config PPC_ADV_DEBUG_REGS + bool + depends on 40x || BOOKE + default y + +config PPC_ADV_DEBUG_IACS + int + depends on PPC_ADV_DEBUG_REGS + default 4 if 44x + default 2 + +config PPC_ADV_DEBUG_DACS + int + depends on PPC_ADV_DEBUG_REGS + default 2 + +config PPC_ADV_DEBUG_DVCS + int + depends on PPC_ADV_DEBUG_REGS + default 2 if 44x + default 0 + +config PPC_ADV_DEBUG_DAC_RANGE + bool + depends on PPC_ADV_DEBUG_REGS && 44x + default y + +config PPC_EMULATE_SSTEP + bool + default y if KPROBES || UPROBES || XMON || HAVE_HW_BREAKPOINT + source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -237,7 +299,6 @@ config HIGHMEM bool "High memory support" depends on PPC32 -source kernel/time/Kconfig source kernel/Kconfig.hz source kernel/Kconfig.preempt source "fs/Kconfig.binfmt" @@ -249,7 +310,7 @@ config HUGETLB_PAGE_SIZE_VARIABLE config MATH_EMULATION bool "Math emulation" - depends on 4xx || 8xx || E200 || PPC_MPC832x || E500 + depends on 4xx || 8xx || PPC_MPC832x || BOOKE ---help--- Some PowerPC chips designed for embedded applications do not have a floating-point unit and therefore do not implement the @@ -258,46 +319,67 @@ config MATH_EMULATION unit, which will allow programs that use floating-point instructions to run. -config 8XX_MINIMAL_FPEMU - bool "Minimal math emulation for 8xx" - depends on 8xx && !MATH_EMULATION - help - Older arch/ppc kernels still emulated a few floating point - instructions such as load and store, even when full math - emulation is disabled. Say "Y" here if you want to preserve - this behavior. + This is also useful to emulate missing (optional) instructions + such as fsqrt on cores that do have an FPU but do not implement + them (such as Freescale BookE). - It is recommended that you build a soft-float userspace instead. +choice + prompt "Math emulation options" + default MATH_EMULATION_FULL + depends on MATH_EMULATION -config IOMMU_VMERGE - bool "Enable IOMMU virtual merging" - depends on PPC64 - default y - help - Cause IO segments sent to a device for DMA to be merged virtually - by the IOMMU when they happen to have been allocated contiguously. - This doesn't add pressure to the IOMMU allocator. However, some - drivers don't support getting large merged segments coming back - from *_map_sg(). +config MATH_EMULATION_FULL + bool "Emulate all the floating point instructions" + ---help--- + Select this option will enable the kernel to support to emulate + all the floating point instructions. If your SoC doesn't have + a FPU, you should select this. + +config MATH_EMULATION_HW_UNIMPLEMENTED + bool "Just emulate the FPU unimplemented instructions" + ---help--- + Select this if you know there does have a hardware FPU on your + SoC, but some floating point instructions are not implemented by that. + +endchoice - Most drivers don't have this problem; it is safe to say Y here. +config PPC_TRANSACTIONAL_MEM + bool "Transactional Memory support for POWERPC" + depends on PPC_BOOK3S_64 + depends on SMP + select ALTIVEC + select VSX + default n + ---help--- + Support user-mode Transactional Memory on POWERPC. config IOMMU_HELPER def_bool PPC64 -config PPC_NEED_DMA_SYNC_OPS - def_bool y - depends on NOT_COHERENT_CACHE +config SWIOTLB + bool "SWIOTLB support" + default n + select IOMMU_HELPER + ---help--- + Support for IO bounce buffering for systems without an IOMMU. + This allows us to DMA to the full physical address space on + platforms where the size of a physical address is larger + than the bus address. Not all platforms support this. config HOTPLUG_CPU bool "Support for enabling/disabling CPUs" - depends on SMP && HOTPLUG && EXPERIMENTAL && (PPC_PSERIES || PPC_PMAC) + depends on SMP && (PPC_PSERIES || \ + PPC_PMAC || PPC_POWERNV || (PPC_85xx && !PPC_E500MC)) ---help--- Say Y here to be able to disable and re-enable individual CPUs at runtime on SMP machines. Say N if you are unsure. +config ARCH_CPU_PROBE_RELEASE + def_bool y + depends on HOTPLUG_CPU + config ARCH_ENABLE_MEMORY_HOTPLUG def_bool y @@ -307,9 +389,15 @@ config ARCH_HAS_WALK_MEMORY config ARCH_ENABLE_MEMORY_HOTREMOVE def_bool y +config PPC64_SUPPORTS_MEMORY_FAILURE + bool "Add support for memory hwpoison" + depends on PPC_BOOK3S_64 + default "y" if PPC_POWERNV + select ARCH_SUPPORTS_MEMORY_FAILURE + config KEXEC - bool "kexec system call (EXPERIMENTAL)" - depends on (PPC_PRPMC2800 || PPC_MULTIPLATFORM) && EXPERIMENTAL + bool "kexec system call" + depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP)) 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 @@ -320,35 +408,35 @@ config KEXEC It is an ongoing process to be certain the hardware in a machine is properly shutdown, so do not be surprised if this code does not - initially work for you. It may help to enable device hotplugging - support. As of this writing the exact hardware interface is - strongly in flux, so no good recommendation can be made. + initially work for you. As of this writing the exact hardware + interface is strongly in flux, so no good recommendation can be + made. config CRASH_DUMP bool "Build a kdump crash kernel" - depends on (PPC64 && RELOCATABLE) || 6xx + depends on PPC64 || 6xx || FSL_BOOKE || (44x && !SMP) + select RELOCATABLE if (PPC64 && !COMPILE_TEST) || 44x || FSL_BOOKE help Build a kernel suitable for use as a kdump capture kernel. The same kernel binary can be used as production kernel and dump capture kernel. -config PHYP_DUMP - bool "Hypervisor-assisted dump (EXPERIMENTAL)" - depends on PPC_PSERIES && EXPERIMENTAL +config FA_DUMP + bool "Firmware-assisted dump" + depends on PPC64 && PPC_RTAS && CRASH_DUMP && KEXEC help - Hypervisor-assisted dump is meant to be a kdump replacement - offering robustness and speed not possible without system - hypervisor assistence. + A robust mechanism to get reliable kernel crash dump with + assistance from firmware. This approach does not use kexec, + instead firmware assists in booting the kdump kernel + while preserving memory contents. Firmware-assisted dump + is meant to be a kdump replacement offering robustness and + speed not possible without system firmware assistance. If unsure, say "N" -config PPCBUG_NVRAM - bool "Enable reading PPCBUG NVRAM during boot" if PPLUS || LOPEC - default y if PPC_PREP - config IRQ_ALL_CPUS bool "Distribute interrupts on all CPUs by default" - depends on SMP && !MV64360 + depends on SMP help This option gives the kernel permission to distribute IRQs across multiple CPUs. Saying N here will route all IRQs to the first @@ -362,9 +450,18 @@ config NUMA config NODES_SHIFT int + default "8" if PPC64 default "4" depends on NEED_MULTIPLE_NODES +config USE_PERCPU_NUMA_NODE_ID + def_bool y + depends on NUMA + +config HAVE_MEMORYLESS_NODES + def_bool y + depends on NUMA + config ARCH_SELECT_MEMORY_MODEL def_bool y depends on PPC64 @@ -382,8 +479,8 @@ config ARCH_SPARSEMEM_DEFAULT def_bool y depends on (SMP && PPC_PSERIES) || PPC_PS3 -config ARCH_POPULATES_NODE_MAP - def_bool y +config SYS_SUPPORTS_HUGETLBFS + bool source "mm/Kconfig" @@ -405,6 +502,18 @@ 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 @@ -437,21 +546,37 @@ config PPC_16K_PAGES bool "16k page size" if 44x config PPC_64K_PAGES - bool "64k page size" if 44x || PPC_STD_MMU_64 + bool "64k page size" if 44x || PPC_STD_MMU_64 || PPC_BOOK3E_64 + depends on !PPC_FSL_BOOK3E select PPC_HAS_HASH_64K if PPC_STD_MMU_64 +config PPC_256K_PAGES + bool "256k page size" if 44x + depends on !STDBINUTILS + 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 int "Maximum zone order" - range 9 64 if PPC_STD_MMU_64 && PPC_64K_PAGES - default "9" if PPC_STD_MMU_64 && PPC_64K_PAGES - range 13 64 if PPC_STD_MMU_64 && !PPC_64K_PAGES - default "13" if PPC_STD_MMU_64 && !PPC_64K_PAGES - range 9 64 if PPC_STD_MMU_32 && PPC_16K_PAGES - 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 9 64 if PPC64 && PPC_64K_PAGES + default "9" if PPC64 && PPC_64K_PAGES + range 13 64 if PPC64 && !PPC_64K_PAGES + default "13" if PPC64 && !PPC_64K_PAGES + range 9 64 if PPC32 && PPC_16K_PAGES + default "9" if PPC32 && PPC_16K_PAGES + range 7 64 if PPC32 && PPC_64K_PAGES + default "7" if PPC32 && PPC_64K_PAGES + range 5 64 if PPC32 && PPC_256K_PAGES + default "5" if PPC32 && PPC_256K_PAGES range 11 64 default "11" help @@ -485,13 +610,13 @@ config SCHED_SMT when dealing with POWER5 cpus at a cost of slightly increased overhead in some places. If unsure say N here. -config PROC_DEVICETREE - bool "Support for device tree in /proc" - depends on PROC_FS - help - This option adds a device-tree directory under /proc which contains - an image of the device tree that the kernel copies from Open - Firmware or other boot firmware. If unsure, say Y here. +config PPC_DENORMALISATION + bool "PowerPC denormalisation exception handling" + depends on PPC_BOOK3S_64 + default "y" if PPC_POWERNV + ---help--- + Add support for handling denormalisation of single precision + values. Useful for bare metal only. If unsure say Y here. config CMDLINE_BOOL bool "Default bootloader kernel arguments" @@ -506,6 +631,15 @@ config CMDLINE some command-line options at build time by entering them here. In most cases you will need to specify the root device here. +config CMDLINE_FORCE + bool "Always use the default kernel command string" + depends on CMDLINE_BOOL + help + Always use the default kernel command string, even if the boot + loader passes other arguments to the kernel. + This is useful if you cannot or don't want to change the + command-line options your boot loader passes to the kernel. + config EXTRA_TARGETS string "Additional default image types" help @@ -519,13 +653,11 @@ config EXTRA_TARGETS If unsure, leave blank -if !44x || BROKEN config ARCH_WANTS_FREEZER_CONTROL def_bool y depends on ADB_PMU source kernel/power/Kconfig -endif config SECCOMP bool "Enable seccomp to safely compute untrusted bytecode" @@ -548,28 +680,34 @@ endmenu config ISA_DMA_API bool - default !PPC_ISERIES || PCI + default PCI menu "Bus options" config ISA bool "Support for ISA-bus hardware" - depends on PPC_PREP || PPC_CHRP + depends on PPC_CHRP select PPC_I8259 help Find out whether you have ISA slots on your motherboard. ISA is the name of a bus system, i.e. the way the CPU talks to the other stuff inside your box. If you have an Apple machine, say N here; if you - have an IBM RS/6000 or pSeries machine or a PReP machine, say Y. If - you have an embedded board, consult your board documentation. + have an IBM RS/6000 or pSeries machine, say Y. If you have an + embedded board, consult your board documentation. config ZONE_DMA bool default y +config NEED_DMA_MAP_STATE + def_bool (PPC64 || NOT_COHERENT_CACHE) + +config NEED_SG_DMA_LENGTH + def_bool y + config GENERIC_ISA_DMA bool - depends on PPC64 || POWER4 || 6xx && !CPM2 + depends on ISA_DMA_API default y config PPC_INDIRECT_PCI @@ -590,14 +728,35 @@ config FSL_SOC config FSL_PCI bool select PPC_INDIRECT_PCI + select PCI_QUIRKS + +config FSL_PMC + bool + default y + depends on SUSPEND && (PPC_85xx || PPC_86xx) + help + Freescale MPC85xx/MPC86xx power management controller support + (suspend/resume). For MPC83xx see platforms/83xx/suspend.c + +config PPC4xx_CPM + bool + default y + depends on SUSPEND && (44x || 40x) + help + PPC4xx Clock Power Management (CPM) support (suspend/resume). + It also enables support for two different idle states (idle-wait + and idle-doze). config 4xx_SOC bool config FSL_LBC - bool + bool "Freescale Local Bus support" + depends on FSL_SOC help - Freescale Localbus support + Enables reporting of errors from the Freescale local bus + controller. Also contains some common code used by + drivers for specific local bus peripherals. config FSL_GTM bool @@ -618,10 +777,9 @@ config PPC_PCI_CHOICE config PCI 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 + && !PPC_85xx && !PPC_86xx && !GAMECUBE_COMMON default PCI_QSPAN if !4xx && !CPM2 && 8xx - select ARCH_SUPPORTS_MSI + select GENERIC_PCI_IOMAP help Find out whether your system includes a PCI bus. PCI is the name of a bus system, i.e. the way the CPU talks to the other stuff inside @@ -648,29 +806,6 @@ config PCI_8260 select PPC_INDIRECT_PCI default y -config 8260_PCI9 - bool "Enable workaround for MPC826x erratum PCI 9" - depends on PCI_8260 && !8272 - default y - -choice - prompt "IDMA channel for PCI 9 workaround" - depends on 8260_PCI9 - -config 8260_PCI9_IDMA1 - bool "IDMA1" - -config 8260_PCI9_IDMA2 - bool "IDMA2" - -config 8260_PCI9_IDMA3 - bool "IDMA3" - -config 8260_PCI9_IDMA4 - bool "IDMA4" - -endchoice - source "drivers/pci/pcie/Kconfig" source "drivers/pci/Kconfig" @@ -684,16 +819,28 @@ config HAS_RAPIDIO default n config RAPIDIO - bool "RapidIO support" - depends on HAS_RAPIDIO + tristate "RapidIO support" + depends on HAS_RAPIDIO || PCI help If you say Y here, the kernel will include drivers and infrastructure code to support RapidIO interconnect devices. +config FSL_RIO + bool "Freescale Embedded SRIO Controller support" + depends on RAPIDIO = y && HAS_RAPIDIO + default "n" + ---help--- + Include support for RapidIO controller on Freescale embedded + processors (MPC8548, MPC8641, etc). + source "drivers/rapidio/Kconfig" endmenu +config NONSTATIC_KERNEL + bool + default n + menu "Advanced setup" depends on PPC32 @@ -726,13 +873,49 @@ 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 + depends on FSL_BOOKE + int "Number of CAMs to use to map low memory" if LOWMEM_CAM_NUM_BOOL + default 3 + +config DYNAMIC_MEMSTART + bool "Enable page aligned dynamic load address for kernel" + depends on ADVANCED_OPTIONS && FLATMEM && (FSL_BOOKE || 44x) + select NONSTATIC_KERNEL + help + This option enables the kernel to be loaded at any page aligned + physical address. The kernel creates a mapping from KERNELBASE to + the address where the kernel is loaded. The page size here implies + the TLB page size of the mapping for kernel on the particular platform. + Please refer to the init code for finding the TLB page size. + + DYNAMIC_MEMSTART is an easy way of implementing pseudo-RELOCATABLE + kernel image, where the only restriction is the page aligned kernel + load address. When this option is enabled, the compile time physical + address CONFIG_PHYSICAL_START is ignored. + + This option is overridden by CONFIG_RELOCATABLE + config RELOCATABLE - bool "Build a relocatable kernel (EXPERIMENTAL)" - depends on EXPERIMENTAL && ADVANCED_OPTIONS && FLATMEM && FSL_BOOKE + bool "Build a relocatable kernel" + depends on ADVANCED_OPTIONS && FLATMEM && (44x || FSL_BOOKE) + select NONSTATIC_KERNEL help This builds a kernel image that is capable of running at the - location the kernel is loaded at (some alignment restrictions may - exist). + location the kernel is loaded at, without any alignment restrictions. + This feature is a superset of DYNAMIC_MEMSTART and hence overrides it. One use is for the kexec on panic case where the recovery kernel must live at a different physical address than the primary @@ -742,7 +925,11 @@ config RELOCATABLE 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). + load address of the kernel (eg. u-boot/mkimage). + +config RELOCATABLE_PPC32 + def_bool y + depends on PPC32 && RELOCATABLE config PAGE_OFFSET_BOOL bool "Set custom page offset address" @@ -772,7 +959,7 @@ config KERNEL_START_BOOL 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 "0xc2000000" if CRASH_DUMP && !NONSTATIC_KERNEL default "0xc0000000" config PHYSICAL_START_BOOL @@ -785,12 +972,12 @@ config PHYSICAL_START_BOOL config PHYSICAL_START hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL - default "0x02000000" if PPC_STD_MMU && CRASH_DUMP + default "0x02000000" if PPC_STD_MMU && CRASH_DUMP && !NONSTATIC_KERNEL default "0x00000000" 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 @@ -808,22 +995,9 @@ config TASK_SIZE_BOOL config TASK_SIZE hex "Size of user task space" if TASK_SIZE_BOOL - default "0x80000000" if PPC_PREP || PPC_8xx + default "0x80000000" if 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 @@ -844,6 +1018,8 @@ endmenu if PPC64 config RELOCATABLE bool "Build a relocatable kernel" + depends on !COMPILE_TEST + select NONSTATIC_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. @@ -855,6 +1031,7 @@ config RELOCATABLE must live at a different physical address than the primary kernel. +# This value must have zeroes in the bottom 60 bits otherwise lots will break config PAGE_OFFSET hex default "0xc000000000000000" @@ -866,16 +1043,15 @@ config PHYSICAL_START default "0x00000000" endif +config ARCH_RANDOM + def_bool n + source "net/Kconfig" source "drivers/Kconfig" source "fs/Kconfig" -# XXX source "arch/ppc/8xx_io/Kconfig" - -# XXX source "arch/ppc/8260_io/Kconfig" - source "arch/powerpc/sysdev/qe_lib/Kconfig" source "lib/Kconfig" @@ -891,11 +1067,6 @@ config KEYS_COMPAT source "crypto/Kconfig" -config PPC_CLOCK - bool - default n - select HAVE_CLK - config PPC_LIB_RHEAP bool |