diff options
Diffstat (limited to 'arch/powerpc/Kconfig')
| -rw-r--r-- | arch/powerpc/Kconfig | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 24a41f919309..d8dcd8820369 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -48,7 +48,7 @@ config ARCH_MMAP_RND_COMPAT_BITS_MAX # Allow randomisation to consume up to 512MB of address space (2^29). default 11 if PPC_256K_PAGES # 11 = 29 (512MB) - 18 (256K) default 13 if PPC_64K_PAGES # 13 = 29 (512MB) - 16 (64K) - default 15 if PPC_16K_PAGES # 15 = 29 (512MB) - 14 (16K) + default 15 if PPC_16K_PAGES # 15 = 29 (512MB) - 14 (16K) default 17 # 17 = 29 (512MB) - 12 (4K) config ARCH_MMAP_RND_COMPAT_BITS_MIN @@ -129,6 +129,7 @@ config PPC select ARCH_HAS_MMIOWB if PPC64 select ARCH_HAS_PHYS_TO_DMA select ARCH_HAS_PMEM_API if PPC64 + select ARCH_HAS_PTE_DEVMAP if PPC_BOOK3S_64 select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_MEMBARRIER_CALLBACKS select ARCH_HAS_SCALED_CPUTIME if VIRT_CPU_ACCOUNTING_NATIVE && PPC64 @@ -136,7 +137,6 @@ config PPC select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAS_UACCESS_FLUSHCACHE if PPC64 select ARCH_HAS_UBSAN_SANITIZE_ALL - select ARCH_HAS_ZONE_DEVICE if PPC_BOOK3S_64 select ARCH_HAVE_NMI_SAFE_CMPXCHG select ARCH_KEEP_MEMBLOCK select ARCH_MIGHT_HAVE_PC_PARPORT @@ -168,6 +168,7 @@ config PPC select GENERIC_STRNLEN_USER select GENERIC_TIME_VSYSCALL select HAVE_ARCH_AUDITSYSCALL + select HAVE_ARCH_HUGE_VMAP if PPC_BOOK3S_64 && PPC_RADIX_MMU select HAVE_ARCH_JUMP_LABEL select HAVE_ARCH_KASAN if PPC32 select HAVE_ARCH_KGDB @@ -176,6 +177,7 @@ config PPC select HAVE_ARCH_NVRAM_OPS select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK + select HAVE_C_RECORDMCOUNT select HAVE_CBPF_JIT if !PPC64 select HAVE_STACKPROTECTOR if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13) select HAVE_STACKPROTECTOR if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2) @@ -197,6 +199,8 @@ config PPC select HAVE_IOREMAP_PROT select HAVE_IRQ_EXIT_ON_IRQ_STACK select HAVE_KERNEL_GZIP + select HAVE_KERNEL_LZMA if DEFAULT_UIMAGE + select HAVE_KERNEL_LZO if DEFAULT_UIMAGE select HAVE_KERNEL_XZ if PPC_BOOK3S || 44x select HAVE_KPROBES select HAVE_KPROBES_ON_FTRACE @@ -235,6 +239,7 @@ config PPC select OLD_SIGSUSPEND select PCI_DOMAINS if PCI select PCI_SYSCALL if PCI + select PPC_DAWR if PPC64 select RTC_LIB select SPARSE_IRQ select SYSCTL_EXCEPTION_TRACE @@ -245,9 +250,9 @@ config PPC # config PPC_BARRIER_NOSPEC - bool - default y - depends on PPC_BOOK3S_64 || PPC_FSL_BOOK3E + bool + default y + depends on PPC_BOOK3S_64 || PPC_FSL_BOOK3E config EARLY_PRINTK bool @@ -371,6 +376,9 @@ config PPC_ADV_DEBUG_DAC_RANGE depends on PPC_ADV_DEBUG_REGS && 44x default y +config PPC_DAWR + bool + config ZONE_DMA bool default y if PPC_BOOK3E_64 @@ -399,7 +407,7 @@ config HUGETLB_PAGE_SIZE_VARIABLE config MATH_EMULATION bool "Math emulation" depends on 4xx || PPC_8xx || PPC_MPC832x || BOOKE - ---help--- + help Some PowerPC chips designed for embedded applications do not have a floating-point unit and therefore do not implement the floating-point instructions in the PowerPC instruction set. If you @@ -418,27 +426,27 @@ choice config MATH_EMULATION_FULL bool "Emulate all the floating point instructions" - ---help--- + 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--- + 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 config PPC_TRANSACTIONAL_MEM - bool "Transactional Memory support for POWERPC" - depends on PPC_BOOK3S_64 - depends on SMP - select ALTIVEC - select VSX - ---help--- - Support user-mode Transactional Memory on POWERPC. + bool "Transactional Memory support for POWERPC" + depends on PPC_BOOK3S_64 + depends on SMP + select ALTIVEC + select VSX + help + Support user-mode Transactional Memory on POWERPC. config LD_HEAD_STUB_CATCH bool "Reserve 256 bytes to cope with linker stubs in HEAD text" if EXPERT @@ -458,7 +466,7 @@ config HOTPLUG_CPU bool "Support for enabling/disabling CPUs" depends on SMP && (PPC_PSERIES || \ PPC_PMAC || PPC_POWERNV || FSL_SOC_BOOKE) - ---help--- + help Say Y here to be able to disable and re-enable individual CPUs at runtime on SMP machines. @@ -826,7 +834,7 @@ config PPC_DENORMALISATION bool "PowerPC denormalisation exception handling" depends on PPC_BOOK3S_64 default "y" if PPC_POWERNV - ---help--- + help Add support for handling denormalisation of single precision values. Useful for bare metal only. If unsure say Y here. @@ -939,7 +947,7 @@ config FSL_SOC bool config FSL_PCI - bool + bool select ARCH_HAS_DMA_SET_MASK select PPC_INDIRECT_PCI select PCI_QUIRKS @@ -987,7 +995,7 @@ config FSL_RIO bool "Freescale Embedded SRIO Controller support" depends on RAPIDIO = y && HAVE_RAPIDIO default "n" - ---help--- + help Include support for RapidIO controller on Freescale embedded processors (MPC8548, MPC8641, etc). @@ -1051,14 +1059,14 @@ config DYNAMIC_MEMSTART 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 + 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 + load address. When this option is enabled, the compile time physical address CONFIG_PHYSICAL_START is ignored. This option is overridden by CONFIG_RELOCATABLE |