1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 source "arch/powerpc/platforms/Kconfig.cputype !! 2 config MIPS
3 <<
4 config CC_HAS_ELFV2 <<
5 def_bool PPC64 && $(cc-option, -mabi=e <<
6 <<
7 config CC_HAS_PREFIXED <<
8 def_bool PPC64 && $(cc-option, -mcpu=p <<
9 <<
10 config CC_HAS_PCREL <<
11 # Clang has a bug (https://github.com/ <<
12 # where pcrel code is not generated if <<
13 # -mno-vsx options are also given. Wit <<
14 # instructions are generated from regu <<
15 # do pcrel yet. <<
16 def_bool PPC64 && CC_IS_GCC && $(cc-op <<
17 <<
18 config 32BIT <<
19 bool <<
20 default y if PPC32 <<
21 <<
22 config 64BIT <<
23 bool <<
24 default y if PPC64 <<
25 <<
26 config LIVEPATCH_64 <<
27 def_bool PPC64 <<
28 depends on LIVEPATCH <<
29 <<
30 config MMU <<
31 bool <<
32 default y <<
33 <<
34 config ARCH_MMAP_RND_BITS_MAX <<
35 # On Book3S 64, the default virtual ad <<
36 # is 2^47 (128TB). As a maximum, allow <<
37 # 32T of address space (2^45), which s <<
38 # between bottom-up and top-down alloc <<
39 # consume "normal" amounts of address <<
40 # and 4K page sizes. <<
41 default 29 if PPC_BOOK3S_64 && PPC_64K <<
42 default 33 if PPC_BOOK3S_64 <<
43 # <<
44 # On all other 64-bit platforms (curre <<
45 # address space is 2^46 (64TB). Allow <<
46 # of address space (2^44). Only 4K pag <<
47 default 32 if 64BIT # 32 = 44 (16T <<
48 # <<
49 # For 32-bit, use the compat values, a <<
50 default ARCH_MMAP_RND_COMPAT_BITS_MAX <<
51 <<
52 config ARCH_MMAP_RND_BITS_MIN <<
53 # Allow randomisation to consume up to <<
54 default 14 if 64BIT && PPC_64K_PAGES <<
55 default 18 if 64BIT <<
56 # <<
57 # For 32-bit, use the compat values, a <<
58 default ARCH_MMAP_RND_COMPAT_BITS_MIN <<
59 <<
60 config ARCH_MMAP_RND_COMPAT_BITS_MAX <<
61 # Total virtual address space for 32-b <<
62 # Allow randomisation to consume up to <<
63 default 11 if PPC_256K_PAGES # 11 = <<
64 default 13 if PPC_64K_PAGES # 13 = <<
65 default 15 if PPC_16K_PAGES # 15 = <<
66 default 17 # 17 = <<
67 <<
68 config ARCH_MMAP_RND_COMPAT_BITS_MIN <<
69 # Total virtual address space for 32-b <<
70 # Allow randomisation to consume up to <<
71 default 5 if PPC_256K_PAGES # 5 = <<
72 default 7 if PPC_64K_PAGES # 7 = <<
73 default 9 if PPC_16K_PAGES # 9 = <<
74 default 11 # 11 = <<
75 <<
76 config NR_IRQS <<
77 int "Number of virtual interrupt numbe <<
78 range 32 1048576 <<
79 default "512" <<
80 help <<
81 This defines the number of virtual i <<
82 can manage. Virtual interrupt number <<
83 /proc/interrupts. If you configure y <<
84 drivers will fail to load or worse - <<
85 <<
86 config NMI_IPI <<
87 bool <<
88 depends on SMP && (DEBUGGER || KEXEC_C <<
89 default y <<
90 <<
91 config PPC_WATCHDOG <<
92 bool <<
93 depends on HARDLOCKUP_DETECTOR_ARCH <<
94 default y <<
95 help <<
96 This is a placeholder when the power <<
97 watchdog is selected (arch/powerpc/k <<
98 selected via the generic lockup dete <<
99 have no standalone config option for <<
100 <<
101 config STACKTRACE_SUPPORT <<
102 bool <<
103 default y <<
104 <<
105 config LOCKDEP_SUPPORT <<
106 bool <<
107 default y <<
108 <<
109 config GENERIC_LOCKBREAK <<
110 bool <<
111 default y <<
112 depends on SMP && PREEMPTION && !PPC_Q <<
113 <<
114 config GENERIC_HWEIGHT <<
115 bool <<
116 default y <<
117 <<
118 config PPC <<
119 bool 3 bool
120 default y 4 default y
121 # !! 5 select ARCH_32BIT_OFF_T if !64BIT
122 # Please keep this list sorted alphabe !! 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
123 # !! 7 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
124 select ARCH_32BIT_OFF_T if PPC32 <<
125 select ARCH_DISABLE_KASAN_INLINE <<
126 select ARCH_DMA_DEFAULT_COHERENT <<
127 select ARCH_ENABLE_MEMORY_HOTPLUG <<
128 select ARCH_ENABLE_MEMORY_HOTREMOVE <<
129 select ARCH_HAS_COPY_MC <<
130 select ARCH_HAS_CURRENT_STACK_POINTER <<
131 select ARCH_HAS_DEBUG_VIRTUAL <<
132 select ARCH_HAS_DEBUG_VM_PGTABLE <<
133 select ARCH_HAS_DEBUG_WX <<
134 select ARCH_HAS_DEVMEM_IS_ALLOWED <<
135 select ARCH_HAS_DMA_MAP_DIRECT <<
136 select ARCH_HAS_DMA_OPS <<
137 select ARCH_HAS_FORTIFY_SOURCE 8 select ARCH_HAS_FORTIFY_SOURCE
138 select ARCH_HAS_GCOV_PROFILE_ALL <<
139 select ARCH_HAS_KCOV 9 select ARCH_HAS_KCOV
140 select ARCH_HAS_KERNEL_FPU_SUPPORT !! 10 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
141 select ARCH_HAS_MEMBARRIER_CALLBACKS !! 11 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
142 select ARCH_HAS_MEMBARRIER_SYNC_CORE !! 12 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
143 select ARCH_HAS_MEMREMAP_COMPAT_ALIGN !! 13 select ARCH_HAS_UBSAN_SANITIZE_ALL
144 select ARCH_HAS_MMIOWB !! 14 select ARCH_HAS_GCOV_PROFILE_ALL
145 select ARCH_HAS_NON_OVERLAPPING_ADDRES <<
146 select ARCH_HAS_PHYS_TO_DMA <<
147 select ARCH_HAS_PMEM_API <<
148 select ARCH_HAS_PTE_DEVMAP <<
149 select ARCH_HAS_PTE_SPECIAL <<
150 select ARCH_HAS_SCALED_CPUTIME <<
151 select ARCH_HAS_SET_MEMORY <<
152 select ARCH_HAS_STRICT_KERNEL_RWX <<
153 select ARCH_HAS_STRICT_KERNEL_RWX <<
154 select ARCH_HAS_STRICT_MODULE_RWX <<
155 select ARCH_HAS_SYSCALL_WRAPPER <<
156 select ARCH_HAS_TICK_BROADCAST <<
157 select ARCH_HAS_UACCESS_FLUSHCACHE <<
158 select ARCH_HAS_UBSAN <<
159 select ARCH_HAVE_NMI_SAFE_CMPXCHG <<
160 select ARCH_HAVE_EXTRA_ELF_NOTES <<
161 select ARCH_KEEP_MEMBLOCK 15 select ARCH_KEEP_MEMBLOCK
162 select ARCH_MHP_MEMMAP_ON_MEMORY_ENABL !! 16 select ARCH_SUPPORTS_UPROBES
163 select ARCH_MIGHT_HAVE_PC_PARPORT <<
164 select ARCH_MIGHT_HAVE_PC_SERIO <<
165 select ARCH_OPTIONAL_KERNEL_RWX <<
166 select ARCH_OPTIONAL_KERNEL_RWX_DEFAUL <<
167 select ARCH_SPLIT_ARG64 <<
168 select ARCH_STACKWALK <<
169 select ARCH_SUPPORTS_ATOMIC_RMW <<
170 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
171 select ARCH_USE_BUILTIN_BSWAP 17 select ARCH_USE_BUILTIN_BSWAP
172 select ARCH_USE_CMPXCHG_LOCKREF !! 18 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
173 select ARCH_USE_MEMTEST 19 select ARCH_USE_MEMTEST
174 select ARCH_USE_QUEUED_RWLOCKS !! 20 select ARCH_USE_QUEUED_RWLOCKS
175 select ARCH_WANT_DEFAULT_BPF_JIT !! 21 select ARCH_USE_QUEUED_SPINLOCKS
176 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ !! 22 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
>> 23 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
177 select ARCH_WANT_IPC_PARSE_VERSION 24 select ARCH_WANT_IPC_PARSE_VERSION
178 select ARCH_WANT_IRQS_OFF_ACTIVATE_MM <<
179 select ARCH_WANT_LD_ORPHAN_WARN 25 select ARCH_WANT_LD_ORPHAN_WARN
180 select ARCH_WANT_OPTIMIZE_DAX_VMEMMAP <<
181 select ARCH_WANTS_MODULES_DATA_IN_VMAL <<
182 select ARCH_WEAK_RELEASE_ACQUIRE <<
183 select BINFMT_ELF <<
184 select BUILDTIME_TABLE_SORT 26 select BUILDTIME_TABLE_SORT
185 select CLONE_BACKWARDS 27 select CLONE_BACKWARDS
186 select CPUMASK_OFFSTACK !! 28 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
187 select DCACHE_WORD_ACCESS !! 29 select CPU_PM if CPU_IDLE
188 select DMA_OPS_BYPASS !! 30 select GENERIC_ATOMIC64 if !64BIT
189 select DYNAMIC_FTRACE <<
190 select EDAC_ATOMIC_SCRUB <<
191 select EDAC_SUPPORT <<
192 select FTRACE_MCOUNT_USE_PATCHABLE_FUN <<
193 select FUNCTION_ALIGNMENT_4B <<
194 select GENERIC_ATOMIC64 <<
195 select GENERIC_CLOCKEVENTS_BROADCAST <<
196 select GENERIC_CMOS_UPDATE 31 select GENERIC_CMOS_UPDATE
197 select GENERIC_CPU_AUTOPROBE 32 select GENERIC_CPU_AUTOPROBE
198 select GENERIC_CPU_VULNERABILITIES !! 33 select GENERIC_FIND_FIRST_BIT
199 select GENERIC_EARLY_IOREMAP <<
200 select GENERIC_GETTIMEOFDAY 34 select GENERIC_GETTIMEOFDAY
201 select GENERIC_IDLE_POLL_SETUP !! 35 select GENERIC_IOMAP
202 select GENERIC_IOREMAP !! 36 select GENERIC_IRQ_PROBE
203 select GENERIC_IRQ_SHOW 37 select GENERIC_IRQ_SHOW
204 select GENERIC_IRQ_SHOW_LEVEL !! 38 select GENERIC_ISA_DMA if EISA
205 select GENERIC_PCI_IOMAP !! 39 select GENERIC_LIB_ASHLDI3
206 select GENERIC_PTDUMP !! 40 select GENERIC_LIB_ASHRDI3
>> 41 select GENERIC_LIB_CMPDI2
>> 42 select GENERIC_LIB_LSHRDI3
>> 43 select GENERIC_LIB_UCMPDI2
>> 44 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
207 select GENERIC_SMP_IDLE_THREAD 45 select GENERIC_SMP_IDLE_THREAD
208 select GENERIC_TIME_VSYSCALL 46 select GENERIC_TIME_VSYSCALL
209 select GENERIC_VDSO_TIME_NS !! 47 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
210 select HAS_IOPORT !! 48 select HANDLE_DOMAIN_IRQ
211 select HAVE_ARCH_AUDITSYSCALL !! 49 select HAVE_ARCH_COMPILER_H
212 select HAVE_ARCH_HUGE_VMALLOC <<
213 select HAVE_ARCH_HUGE_VMAP <<
214 select HAVE_ARCH_JUMP_LABEL 50 select HAVE_ARCH_JUMP_LABEL
215 select HAVE_ARCH_JUMP_LABEL_RELATIVE !! 51 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
216 select HAVE_ARCH_KASAN !! 52 select HAVE_ARCH_MMAP_RND_BITS if MMU
217 select HAVE_ARCH_KASAN !! 53 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
218 select HAVE_ARCH_KASAN <<
219 select HAVE_ARCH_KASAN_VMALLOC <<
220 select HAVE_ARCH_KCSAN <<
221 select HAVE_ARCH_KFENCE <<
222 select HAVE_ARCH_RANDOMIZE_KSTACK_OFFS <<
223 select HAVE_ARCH_WITHIN_STACK_FRAMES <<
224 select HAVE_ARCH_KGDB <<
225 select HAVE_ARCH_MMAP_RND_BITS <<
226 select HAVE_ARCH_MMAP_RND_COMPAT_BITS <<
227 select HAVE_ARCH_NVRAM_OPS <<
228 select HAVE_ARCH_SECCOMP_FILTER 54 select HAVE_ARCH_SECCOMP_FILTER
229 select HAVE_ARCH_TRACEHOOK 55 select HAVE_ARCH_TRACEHOOK
>> 56 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
230 select HAVE_ASM_MODVERSIONS 57 select HAVE_ASM_MODVERSIONS
231 select HAVE_CONTEXT_TRACKING_USER !! 58 select HAVE_CBPF_JIT if !64BIT && !CPU_MICROMIPS
>> 59 select HAVE_CONTEXT_TRACKING
>> 60 select HAVE_TIF_NOHZ
232 select HAVE_C_RECORDMCOUNT 61 select HAVE_C_RECORDMCOUNT
233 select HAVE_DEBUG_KMEMLEAK 62 select HAVE_DEBUG_KMEMLEAK
234 select HAVE_DEBUG_STACKOVERFLOW 63 select HAVE_DEBUG_STACKOVERFLOW
>> 64 select HAVE_DMA_CONTIGUOUS
235 select HAVE_DYNAMIC_FTRACE 65 select HAVE_DYNAMIC_FTRACE
236 select HAVE_DYNAMIC_FTRACE_WITH_ARGS !! 66 select HAVE_EBPF_JIT if 64BIT && !CPU_MICROMIPS && TARGET_ISA_REV >= 2
237 select HAVE_DYNAMIC_FTRACE_WITH_REGS !! 67 select HAVE_EXIT_THREAD
238 select HAVE_EBPF_JIT !! 68 select HAVE_FAST_GUP
239 select HAVE_EFFICIENT_UNALIGNED_ACCESS <<
240 select HAVE_GUP_FAST <<
241 select HAVE_FTRACE_MCOUNT_RECORD 69 select HAVE_FTRACE_MCOUNT_RECORD
242 select HAVE_FUNCTION_ARG_ACCESS_API <<
243 select HAVE_FUNCTION_DESCRIPTORS <<
244 select HAVE_FUNCTION_ERROR_INJECTION <<
245 select HAVE_FUNCTION_GRAPH_TRACER 70 select HAVE_FUNCTION_GRAPH_TRACER
246 select HAVE_FUNCTION_TRACER !! 71 select HAVE_FUNCTION_TRACER
247 select HAVE_GCC_PLUGINS !! 72 select HAVE_GCC_PLUGINS
248 select HAVE_GENERIC_VDSO 73 select HAVE_GENERIC_VDSO
249 select HAVE_HARDLOCKUP_DETECTOR_ARCH !! 74 select HAVE_IDE
250 select HAVE_HARDLOCKUP_DETECTOR_PERF <<
251 select HAVE_HW_BREAKPOINT <<
252 select HAVE_IOREMAP_PROT 75 select HAVE_IOREMAP_PROT
>> 76 select HAVE_IRQ_EXIT_ON_IRQ_STACK
253 select HAVE_IRQ_TIME_ACCOUNTING 77 select HAVE_IRQ_TIME_ACCOUNTING
254 select HAVE_KERNEL_GZIP <<
255 select HAVE_KERNEL_LZMA <<
256 select HAVE_KERNEL_LZO <<
257 select HAVE_KERNEL_XZ <<
258 select HAVE_KPROBES 78 select HAVE_KPROBES
259 select HAVE_KPROBES_ON_FTRACE <<
260 select HAVE_KRETPROBES 79 select HAVE_KRETPROBES
261 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT !! 80 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
262 select HAVE_LIVEPATCH <<
263 select HAVE_MOD_ARCH_SPECIFIC 81 select HAVE_MOD_ARCH_SPECIFIC
264 select HAVE_NMI !! 82 select HAVE_NMI
265 select HAVE_OPTPROBES <<
266 select HAVE_OBJTOOL <<
267 select HAVE_OBJTOOL_MCOUNT <<
268 select HAVE_PERF_EVENTS 83 select HAVE_PERF_EVENTS
269 select HAVE_PERF_EVENTS_NMI <<
270 select HAVE_PERF_REGS 84 select HAVE_PERF_REGS
271 select HAVE_PERF_USER_STACK_DUMP 85 select HAVE_PERF_USER_STACK_DUMP
272 select HAVE_RETHOOK <<
273 select HAVE_REGS_AND_STACK_ACCESS_API 86 select HAVE_REGS_AND_STACK_ACCESS_API
274 select HAVE_RELIABLE_STACKTRACE <<
275 select HAVE_RSEQ 87 select HAVE_RSEQ
276 select HAVE_SETUP_PER_CPU_AREA !! 88 select HAVE_SPARSE_SYSCALL_NR
277 select HAVE_SOFTIRQ_ON_OWN_STACK !! 89 select HAVE_STACKPROTECTOR
278 select HAVE_STACKPROTECTOR <<
279 select HAVE_STACKPROTECTOR <<
280 select HAVE_STATIC_CALL <<
281 select HAVE_SYSCALL_TRACEPOINTS 90 select HAVE_SYSCALL_TRACEPOINTS
282 select HAVE_VIRT_CPU_ACCOUNTING !! 91 select HAVE_VIRT_CPU_ACCOUNTING_GEN if 64BIT || !SMP
283 select HAVE_VIRT_CPU_ACCOUNTING_GEN <<
284 select HOTPLUG_SMT <<
285 select SMT_NUM_THREADS_DYNAMIC <<
286 select HUGETLB_PAGE_SIZE_VARIABLE <<
287 select IOMMU_HELPER <<
288 select IRQ_DOMAIN <<
289 select IRQ_FORCED_THREADING 92 select IRQ_FORCED_THREADING
290 select KASAN_VMALLOC !! 93 select ISA if EISA
291 select LOCK_MM_AND_FIND_VMA !! 94 select MODULES_USE_ELF_REL if MODULES
292 select MMU_GATHER_PAGE_SIZE !! 95 select MODULES_USE_ELF_RELA if MODULES && 64BIT
293 select MMU_GATHER_RCU_TABLE_FREE !! 96 select PERF_USE_VMALLOC
294 select MMU_GATHER_MERGE_VMAS !! 97 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
295 select MMU_LAZY_TLB_SHOOTDOWN <<
296 select MODULES_USE_ELF_RELA <<
297 select NEED_DMA_MAP_STATE <<
298 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
299 select NEED_PER_CPU_PAGE_FIRST_CHUNK <<
300 select NEED_SG_DMA_LENGTH <<
301 select OF <<
302 select OF_EARLY_FLATTREE <<
303 select OLD_SIGACTION <<
304 select OLD_SIGSUSPEND <<
305 select PCI_DOMAINS <<
306 select PCI_MSI_ARCH_FALLBACKS <<
307 select PCI_SYSCALL <<
308 select PPC_DAWR <<
309 select RTC_LIB 98 select RTC_LIB
310 select SPARSE_IRQ <<
311 select STRICT_KERNEL_RWX if STRICT_MOD <<
312 select SYSCTL_EXCEPTION_TRACE 99 select SYSCTL_EXCEPTION_TRACE
313 select THREAD_INFO_IN_TASK !! 100 select VIRT_TO_BUS
314 select TRACE_IRQFLAGS_SUPPORT !! 101 select ARCH_HAS_ELFCORE_COMPAT
315 select VDSO_GETRANDOM <<
316 # <<
317 # Please keep this list sorted alphabe <<
318 # <<
319 102
320 config PPC_BARRIER_NOSPEC !! 103 config MIPS_FIXUP_BIGPHYS_ADDR
321 bool 104 bool
322 default y <<
323 depends on PPC_BOOK3S_64 || PPC_E500 <<
324 105
325 config PPC_HAS_LBARX_LHARX !! 106 config MIPS_GENERIC
326 bool 107 bool
327 108
328 config EARLY_PRINTK !! 109 config MACH_INGENIC
329 bool 110 bool
330 default y !! 111 select SYS_SUPPORTS_32BIT_KERNEL
>> 112 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 113 select SYS_SUPPORTS_ZBOOT
>> 114 select DMA_NONCOHERENT
>> 115 select IRQ_MIPS_CPU
>> 116 select PINCTRL
>> 117 select GPIOLIB
>> 118 select COMMON_CLK
>> 119 select GENERIC_IRQ_CHIP
>> 120 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
>> 121 select USE_OF
>> 122 select CPU_SUPPORTS_CPUFREQ
>> 123 select MIPS_EXTERNAL_TIMER
331 124
332 config PANIC_TIMEOUT !! 125 menu "Machine selection"
333 int <<
334 default 180 <<
335 126
336 config COMPAT !! 127 choice
337 bool "Enable support for 32bit binarie !! 128 prompt "System type"
338 depends on PPC64 !! 129 default MIPS_GENERIC_KERNEL
339 default y if !CPU_LITTLE_ENDIAN !! 130
340 select ARCH_WANT_OLD_COMPAT_IPC !! 131 config MIPS_GENERIC_KERNEL
341 select COMPAT_OLD_SIGACTION !! 132 bool "Generic board-agnostic MIPS kernel"
>> 133 select ARCH_HAS_SETUP_DMA_OPS
>> 134 select MIPS_GENERIC
>> 135 select BOOT_RAW
>> 136 select BUILTIN_DTB
>> 137 select CEVT_R4K
>> 138 select CLKSRC_MIPS_GIC
>> 139 select COMMON_CLK
>> 140 select CPU_MIPSR2_IRQ_EI
>> 141 select CPU_MIPSR2_IRQ_VI
>> 142 select CSRC_R4K
>> 143 select DMA_NONCOHERENT
>> 144 select HAVE_PCI
>> 145 select IRQ_MIPS_CPU
>> 146 select MIPS_AUTO_PFN_OFFSET
>> 147 select MIPS_CPU_SCACHE
>> 148 select MIPS_GIC
>> 149 select MIPS_L1_CACHE_SHIFT_7
>> 150 select NO_EXCEPT_FILL
>> 151 select PCI_DRIVERS_GENERIC
>> 152 select SMP_UP if SMP
>> 153 select SWAP_IO_SPACE
>> 154 select SYS_HAS_CPU_MIPS32_R1
>> 155 select SYS_HAS_CPU_MIPS32_R2
>> 156 select SYS_HAS_CPU_MIPS32_R6
>> 157 select SYS_HAS_CPU_MIPS64_R1
>> 158 select SYS_HAS_CPU_MIPS64_R2
>> 159 select SYS_HAS_CPU_MIPS64_R6
>> 160 select SYS_SUPPORTS_32BIT_KERNEL
>> 161 select SYS_SUPPORTS_64BIT_KERNEL
>> 162 select SYS_SUPPORTS_BIG_ENDIAN
>> 163 select SYS_SUPPORTS_HIGHMEM
>> 164 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 165 select SYS_SUPPORTS_MICROMIPS
>> 166 select SYS_SUPPORTS_MIPS16
>> 167 select SYS_SUPPORTS_MIPS_CPS
>> 168 select SYS_SUPPORTS_MULTITHREADING
>> 169 select SYS_SUPPORTS_RELOCATABLE
>> 170 select SYS_SUPPORTS_SMARTMIPS
>> 171 select SYS_SUPPORTS_ZBOOT
>> 172 select UHI_BOOT
>> 173 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 174 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 175 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 176 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 177 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 178 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 179 select USE_OF
>> 180 help
>> 181 Select this to build a kernel which aims to support multiple boards,
>> 182 generally using a flattened device tree passed from the bootloader
>> 183 using the boot protocol defined in the UHI (Unified Hosting
>> 184 Interface) specification.
>> 185
>> 186 config MIPS_ALCHEMY
>> 187 bool "Alchemy processor based machines"
>> 188 select PHYS_ADDR_T_64BIT
>> 189 select CEVT_R4K
>> 190 select CSRC_R4K
>> 191 select IRQ_MIPS_CPU
>> 192 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
>> 193 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
>> 194 select SYS_HAS_CPU_MIPS32_R1
>> 195 select SYS_SUPPORTS_32BIT_KERNEL
>> 196 select SYS_SUPPORTS_APM_EMULATION
>> 197 select GPIOLIB
>> 198 select SYS_SUPPORTS_ZBOOT
>> 199 select COMMON_CLK
>> 200
>> 201 config AR7
>> 202 bool "Texas Instruments AR7"
>> 203 select BOOT_ELF32
>> 204 select DMA_NONCOHERENT
>> 205 select CEVT_R4K
>> 206 select CSRC_R4K
>> 207 select IRQ_MIPS_CPU
>> 208 select NO_EXCEPT_FILL
>> 209 select SWAP_IO_SPACE
>> 210 select SYS_HAS_CPU_MIPS32_R1
>> 211 select SYS_HAS_EARLY_PRINTK
>> 212 select SYS_SUPPORTS_32BIT_KERNEL
>> 213 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 214 select SYS_SUPPORTS_MIPS16
>> 215 select SYS_SUPPORTS_ZBOOT_UART16550
>> 216 select GPIOLIB
>> 217 select VLYNQ
>> 218 select HAVE_LEGACY_CLK
>> 219 help
>> 220 Support for the Texas Instruments AR7 System-on-a-Chip
>> 221 family: TNETD7100, 7200 and 7300.
>> 222
>> 223 config ATH25
>> 224 bool "Atheros AR231x/AR531x SoC support"
>> 225 select CEVT_R4K
>> 226 select CSRC_R4K
>> 227 select DMA_NONCOHERENT
>> 228 select IRQ_MIPS_CPU
>> 229 select IRQ_DOMAIN
>> 230 select SYS_HAS_CPU_MIPS32_R1
>> 231 select SYS_SUPPORTS_BIG_ENDIAN
>> 232 select SYS_SUPPORTS_32BIT_KERNEL
>> 233 select SYS_HAS_EARLY_PRINTK
>> 234 help
>> 235 Support for Atheros AR231x and Atheros AR531x based boards
>> 236
>> 237 config ATH79
>> 238 bool "Atheros AR71XX/AR724X/AR913X based boards"
>> 239 select ARCH_HAS_RESET_CONTROLLER
>> 240 select BOOT_RAW
>> 241 select CEVT_R4K
>> 242 select CSRC_R4K
>> 243 select DMA_NONCOHERENT
>> 244 select GPIOLIB
>> 245 select PINCTRL
>> 246 select COMMON_CLK
>> 247 select IRQ_MIPS_CPU
>> 248 select SYS_HAS_CPU_MIPS32_R2
>> 249 select SYS_HAS_EARLY_PRINTK
>> 250 select SYS_SUPPORTS_32BIT_KERNEL
>> 251 select SYS_SUPPORTS_BIG_ENDIAN
>> 252 select SYS_SUPPORTS_MIPS16
>> 253 select SYS_SUPPORTS_ZBOOT_UART_PROM
>> 254 select USE_OF
>> 255 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
>> 256 help
>> 257 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
>> 258
>> 259 config BMIPS_GENERIC
>> 260 bool "Broadcom Generic BMIPS kernel"
>> 261 select ARCH_HAS_RESET_CONTROLLER
>> 262 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 263 select ARCH_HAS_PHYS_TO_DMA
>> 264 select BOOT_RAW
>> 265 select NO_EXCEPT_FILL
>> 266 select USE_OF
>> 267 select CEVT_R4K
>> 268 select CSRC_R4K
>> 269 select SYNC_R4K
>> 270 select COMMON_CLK
>> 271 select BCM6345_L1_IRQ
>> 272 select BCM7038_L1_IRQ
>> 273 select BCM7120_L2_IRQ
>> 274 select BRCMSTB_L2_IRQ
>> 275 select IRQ_MIPS_CPU
>> 276 select DMA_NONCOHERENT
>> 277 select SYS_SUPPORTS_32BIT_KERNEL
>> 278 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 279 select SYS_SUPPORTS_BIG_ENDIAN
>> 280 select SYS_SUPPORTS_HIGHMEM
>> 281 select SYS_HAS_CPU_BMIPS32_3300
>> 282 select SYS_HAS_CPU_BMIPS4350
>> 283 select SYS_HAS_CPU_BMIPS4380
>> 284 select SYS_HAS_CPU_BMIPS5000
>> 285 select SWAP_IO_SPACE
>> 286 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 287 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 288 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 289 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 290 select HARDIRQS_SW_RESEND
>> 291 help
>> 292 Build a generic DT-based kernel image that boots on select
>> 293 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
>> 294 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
>> 295 must be set appropriately for your board.
>> 296
>> 297 config BCM47XX
>> 298 bool "Broadcom BCM47XX based boards"
>> 299 select BOOT_RAW
>> 300 select CEVT_R4K
>> 301 select CSRC_R4K
>> 302 select DMA_NONCOHERENT
>> 303 select HAVE_PCI
>> 304 select IRQ_MIPS_CPU
>> 305 select SYS_HAS_CPU_MIPS32_R1
>> 306 select NO_EXCEPT_FILL
>> 307 select SYS_SUPPORTS_32BIT_KERNEL
>> 308 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 309 select SYS_SUPPORTS_MIPS16
>> 310 select SYS_SUPPORTS_ZBOOT
>> 311 select SYS_HAS_EARLY_PRINTK
>> 312 select USE_GENERIC_EARLY_PRINTK_8250
>> 313 select GPIOLIB
>> 314 select LEDS_GPIO_REGISTER
>> 315 select BCM47XX_NVRAM
>> 316 select BCM47XX_SPROM
>> 317 select BCM47XX_SSB if !BCM47XX_BCMA
>> 318 help
>> 319 Support for BCM47XX based boards
>> 320
>> 321 config BCM63XX
>> 322 bool "Broadcom BCM63XX based boards"
>> 323 select BOOT_RAW
>> 324 select CEVT_R4K
>> 325 select CSRC_R4K
>> 326 select SYNC_R4K
>> 327 select DMA_NONCOHERENT
>> 328 select IRQ_MIPS_CPU
>> 329 select SYS_SUPPORTS_32BIT_KERNEL
>> 330 select SYS_SUPPORTS_BIG_ENDIAN
>> 331 select SYS_HAS_EARLY_PRINTK
>> 332 select SWAP_IO_SPACE
>> 333 select GPIOLIB
>> 334 select MIPS_L1_CACHE_SHIFT_4
>> 335 select CLKDEV_LOOKUP
>> 336 select HAVE_LEGACY_CLK
>> 337 help
>> 338 Support for BCM63XX based boards
>> 339
>> 340 config MIPS_COBALT
>> 341 bool "Cobalt Server"
>> 342 select CEVT_R4K
>> 343 select CSRC_R4K
>> 344 select CEVT_GT641XX
>> 345 select DMA_NONCOHERENT
>> 346 select FORCE_PCI
>> 347 select I8253
>> 348 select I8259
>> 349 select IRQ_MIPS_CPU
>> 350 select IRQ_GT641XX
>> 351 select PCI_GT64XXX_PCI0
>> 352 select SYS_HAS_CPU_NEVADA
>> 353 select SYS_HAS_EARLY_PRINTK
>> 354 select SYS_SUPPORTS_32BIT_KERNEL
>> 355 select SYS_SUPPORTS_64BIT_KERNEL
>> 356 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 357 select USE_GENERIC_EARLY_PRINTK_8250
>> 358
>> 359 config MACH_DECSTATION
>> 360 bool "DECstations"
>> 361 select BOOT_ELF32
>> 362 select CEVT_DS1287
>> 363 select CEVT_R4K if CPU_R4X00
>> 364 select CSRC_IOASIC
>> 365 select CSRC_R4K if CPU_R4X00
>> 366 select CPU_DADDI_WORKAROUNDS if 64BIT
>> 367 select CPU_R4000_WORKAROUNDS if 64BIT
>> 368 select CPU_R4400_WORKAROUNDS if 64BIT
>> 369 select DMA_NONCOHERENT
>> 370 select NO_IOPORT_MAP
>> 371 select IRQ_MIPS_CPU
>> 372 select SYS_HAS_CPU_R3000
>> 373 select SYS_HAS_CPU_R4X00
>> 374 select SYS_SUPPORTS_32BIT_KERNEL
>> 375 select SYS_SUPPORTS_64BIT_KERNEL
>> 376 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 377 select SYS_SUPPORTS_128HZ
>> 378 select SYS_SUPPORTS_256HZ
>> 379 select SYS_SUPPORTS_1024HZ
>> 380 select MIPS_L1_CACHE_SHIFT_4
>> 381 help
>> 382 This enables support for DEC's MIPS based workstations. For details
>> 383 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
>> 384 DECstation porting pages on <http://decstation.unix-ag.org/>.
>> 385
>> 386 If you have one of the following DECstation Models you definitely
>> 387 want to choose R4xx0 for the CPU Type:
>> 388
>> 389 DECstation 5000/50
>> 390 DECstation 5000/150
>> 391 DECstation 5000/260
>> 392 DECsystem 5900/260
>> 393
>> 394 otherwise choose R3000.
>> 395
>> 396 config MACH_JAZZ
>> 397 bool "Jazz family of machines"
>> 398 select ARC_MEMORY
>> 399 select ARC_PROMLIB
>> 400 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 401 select ARCH_MIGHT_HAVE_PC_SERIO
>> 402 select DMA_OPS
>> 403 select FW_ARC
>> 404 select FW_ARC32
>> 405 select ARCH_MAY_HAVE_PC_FDC
>> 406 select CEVT_R4K
>> 407 select CSRC_R4K
>> 408 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 409 select GENERIC_ISA_DMA
>> 410 select HAVE_PCSPKR_PLATFORM
>> 411 select IRQ_MIPS_CPU
>> 412 select I8253
>> 413 select I8259
>> 414 select ISA
>> 415 select SYS_HAS_CPU_R4X00
>> 416 select SYS_SUPPORTS_32BIT_KERNEL
>> 417 select SYS_SUPPORTS_64BIT_KERNEL
>> 418 select SYS_SUPPORTS_100HZ
>> 419 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 420 help
>> 421 This a family of machines based on the MIPS R4030 chipset which was
>> 422 used by several vendors to build RISC/os and Windows NT workstations.
>> 423 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
>> 424 Olivetti M700-10 workstations.
>> 425
>> 426 config MACH_INGENIC_SOC
>> 427 bool "Ingenic SoC based machines"
>> 428 select MIPS_GENERIC
>> 429 select MACH_INGENIC
>> 430 select SYS_SUPPORTS_ZBOOT_UART16550
>> 431 select CPU_SUPPORTS_CPUFREQ
>> 432 select MIPS_EXTERNAL_TIMER
>> 433
>> 434 config LANTIQ
>> 435 bool "Lantiq based platforms"
>> 436 select DMA_NONCOHERENT
>> 437 select IRQ_MIPS_CPU
>> 438 select CEVT_R4K
>> 439 select CSRC_R4K
>> 440 select SYS_HAS_CPU_MIPS32_R1
>> 441 select SYS_HAS_CPU_MIPS32_R2
>> 442 select SYS_SUPPORTS_BIG_ENDIAN
>> 443 select SYS_SUPPORTS_32BIT_KERNEL
>> 444 select SYS_SUPPORTS_MIPS16
>> 445 select SYS_SUPPORTS_MULTITHREADING
>> 446 select SYS_SUPPORTS_VPE_LOADER
>> 447 select SYS_HAS_EARLY_PRINTK
>> 448 select GPIOLIB
>> 449 select SWAP_IO_SPACE
>> 450 select BOOT_RAW
>> 451 select CLKDEV_LOOKUP
>> 452 select HAVE_LEGACY_CLK
>> 453 select USE_OF
>> 454 select PINCTRL
>> 455 select PINCTRL_LANTIQ
>> 456 select ARCH_HAS_RESET_CONTROLLER
>> 457 select RESET_CONTROLLER
>> 458
>> 459 config MACH_LOONGSON32
>> 460 bool "Loongson 32-bit family of machines"
>> 461 select SYS_SUPPORTS_ZBOOT
>> 462 help
>> 463 This enables support for the Loongson-1 family of machines.
>> 464
>> 465 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
>> 466 the Institute of Computing Technology (ICT), Chinese Academy of
>> 467 Sciences (CAS).
>> 468
>> 469 config MACH_LOONGSON2EF
>> 470 bool "Loongson-2E/F family of machines"
>> 471 select SYS_SUPPORTS_ZBOOT
>> 472 help
>> 473 This enables the support of early Loongson-2E/F family of machines.
>> 474
>> 475 config MACH_LOONGSON64
>> 476 bool "Loongson 64-bit family of machines"
>> 477 select ARCH_SPARSEMEM_ENABLE
>> 478 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 479 select ARCH_MIGHT_HAVE_PC_SERIO
>> 480 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 481 select BOOT_ELF32
>> 482 select BOARD_SCACHE
>> 483 select CSRC_R4K
>> 484 select CEVT_R4K
>> 485 select CPU_HAS_WB
>> 486 select FORCE_PCI
>> 487 select ISA
>> 488 select I8259
>> 489 select IRQ_MIPS_CPU
>> 490 select NO_EXCEPT_FILL
>> 491 select NR_CPUS_DEFAULT_64
>> 492 select USE_GENERIC_EARLY_PRINTK_8250
>> 493 select PCI_DRIVERS_GENERIC
>> 494 select SYS_HAS_CPU_LOONGSON64
>> 495 select SYS_HAS_EARLY_PRINTK
>> 496 select SYS_SUPPORTS_SMP
>> 497 select SYS_SUPPORTS_HOTPLUG_CPU
>> 498 select SYS_SUPPORTS_NUMA
>> 499 select SYS_SUPPORTS_64BIT_KERNEL
>> 500 select SYS_SUPPORTS_HIGHMEM
>> 501 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 502 select SYS_SUPPORTS_ZBOOT
>> 503 select SYS_SUPPORTS_RELOCATABLE
>> 504 select ZONE_DMA32
>> 505 select COMMON_CLK
>> 506 select USE_OF
>> 507 select BUILTIN_DTB
>> 508 select PCI_HOST_GENERIC
>> 509 help
>> 510 This enables the support of Loongson-2/3 family of machines.
>> 511
>> 512 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
>> 513 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
>> 514 and Loongson-2F which will be removed), developed by the Institute
>> 515 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
>> 516
>> 517 config MACH_PISTACHIO
>> 518 bool "IMG Pistachio SoC based boards"
>> 519 select BOOT_ELF32
>> 520 select BOOT_RAW
>> 521 select CEVT_R4K
>> 522 select CLKSRC_MIPS_GIC
>> 523 select COMMON_CLK
>> 524 select CSRC_R4K
>> 525 select DMA_NONCOHERENT
>> 526 select GPIOLIB
>> 527 select IRQ_MIPS_CPU
>> 528 select MFD_SYSCON
>> 529 select MIPS_CPU_SCACHE
>> 530 select MIPS_GIC
>> 531 select PINCTRL
>> 532 select REGULATOR
>> 533 select SYS_HAS_CPU_MIPS32_R2
>> 534 select SYS_SUPPORTS_32BIT_KERNEL
>> 535 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 536 select SYS_SUPPORTS_MIPS_CPS
>> 537 select SYS_SUPPORTS_MULTITHREADING
>> 538 select SYS_SUPPORTS_RELOCATABLE
>> 539 select SYS_SUPPORTS_ZBOOT
>> 540 select SYS_HAS_EARLY_PRINTK
>> 541 select USE_GENERIC_EARLY_PRINTK_8250
>> 542 select USE_OF
>> 543 help
>> 544 This enables support for the IMG Pistachio SoC platform.
>> 545
>> 546 config MIPS_MALTA
>> 547 bool "MIPS Malta board"
>> 548 select ARCH_MAY_HAVE_PC_FDC
>> 549 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 550 select ARCH_MIGHT_HAVE_PC_SERIO
>> 551 select BOOT_ELF32
>> 552 select BOOT_RAW
>> 553 select BUILTIN_DTB
>> 554 select CEVT_R4K
>> 555 select CLKSRC_MIPS_GIC
>> 556 select COMMON_CLK
>> 557 select CSRC_R4K
>> 558 select DMA_NONCOHERENT
>> 559 select GENERIC_ISA_DMA
>> 560 select HAVE_PCSPKR_PLATFORM
>> 561 select HAVE_PCI
>> 562 select I8253
>> 563 select I8259
>> 564 select IRQ_MIPS_CPU
>> 565 select MIPS_BONITO64
>> 566 select MIPS_CPU_SCACHE
>> 567 select MIPS_GIC
>> 568 select MIPS_L1_CACHE_SHIFT_6
>> 569 select MIPS_MSC
>> 570 select PCI_GT64XXX_PCI0
>> 571 select SMP_UP if SMP
>> 572 select SWAP_IO_SPACE
>> 573 select SYS_HAS_CPU_MIPS32_R1
>> 574 select SYS_HAS_CPU_MIPS32_R2
>> 575 select SYS_HAS_CPU_MIPS32_R3_5
>> 576 select SYS_HAS_CPU_MIPS32_R5
>> 577 select SYS_HAS_CPU_MIPS32_R6
>> 578 select SYS_HAS_CPU_MIPS64_R1
>> 579 select SYS_HAS_CPU_MIPS64_R2
>> 580 select SYS_HAS_CPU_MIPS64_R6
>> 581 select SYS_HAS_CPU_NEVADA
>> 582 select SYS_HAS_CPU_RM7000
>> 583 select SYS_SUPPORTS_32BIT_KERNEL
>> 584 select SYS_SUPPORTS_64BIT_KERNEL
>> 585 select SYS_SUPPORTS_BIG_ENDIAN
>> 586 select SYS_SUPPORTS_HIGHMEM
>> 587 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 588 select SYS_SUPPORTS_MICROMIPS
>> 589 select SYS_SUPPORTS_MIPS16
>> 590 select SYS_SUPPORTS_MIPS_CMP
>> 591 select SYS_SUPPORTS_MIPS_CPS
>> 592 select SYS_SUPPORTS_MULTITHREADING
>> 593 select SYS_SUPPORTS_RELOCATABLE
>> 594 select SYS_SUPPORTS_SMARTMIPS
>> 595 select SYS_SUPPORTS_VPE_LOADER
>> 596 select SYS_SUPPORTS_ZBOOT
>> 597 select USE_OF
>> 598 select WAR_ICACHE_REFILLS
>> 599 select ZONE_DMA32 if 64BIT
>> 600 help
>> 601 This enables support for the MIPS Technologies Malta evaluation
>> 602 board.
>> 603
>> 604 config MACH_PIC32
>> 605 bool "Microchip PIC32 Family"
>> 606 help
>> 607 This enables support for the Microchip PIC32 family of platforms.
>> 608
>> 609 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
>> 610 microcontrollers.
>> 611
>> 612 config MACH_VR41XX
>> 613 bool "NEC VR4100 series based machines"
>> 614 select CEVT_R4K
>> 615 select CSRC_R4K
>> 616 select SYS_HAS_CPU_VR41XX
>> 617 select SYS_SUPPORTS_MIPS16
>> 618 select GPIOLIB
>> 619
>> 620 config MACH_NINTENDO64
>> 621 bool "Nintendo 64 console"
>> 622 select CEVT_R4K
>> 623 select CSRC_R4K
>> 624 select SYS_HAS_CPU_R4300
>> 625 select SYS_SUPPORTS_BIG_ENDIAN
>> 626 select SYS_SUPPORTS_ZBOOT
>> 627 select SYS_SUPPORTS_32BIT_KERNEL
>> 628 select SYS_SUPPORTS_64BIT_KERNEL
>> 629 select DMA_NONCOHERENT
>> 630 select IRQ_MIPS_CPU
>> 631
>> 632 config RALINK
>> 633 bool "Ralink based machines"
>> 634 select CEVT_R4K
>> 635 select CSRC_R4K
>> 636 select BOOT_RAW
>> 637 select DMA_NONCOHERENT
>> 638 select IRQ_MIPS_CPU
>> 639 select USE_OF
>> 640 select SYS_HAS_CPU_MIPS32_R1
>> 641 select SYS_HAS_CPU_MIPS32_R2
>> 642 select SYS_SUPPORTS_32BIT_KERNEL
>> 643 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 644 select SYS_SUPPORTS_MIPS16
>> 645 select SYS_SUPPORTS_ZBOOT
>> 646 select SYS_HAS_EARLY_PRINTK
>> 647 select CLKDEV_LOOKUP
>> 648 select ARCH_HAS_RESET_CONTROLLER
>> 649 select RESET_CONTROLLER
>> 650
>> 651 config MACH_REALTEK_RTL
>> 652 bool "Realtek RTL838x/RTL839x based machines"
>> 653 select MIPS_GENERIC
>> 654 select DMA_NONCOHERENT
>> 655 select IRQ_MIPS_CPU
>> 656 select CSRC_R4K
>> 657 select CEVT_R4K
>> 658 select SYS_HAS_CPU_MIPS32_R1
>> 659 select SYS_HAS_CPU_MIPS32_R2
>> 660 select SYS_SUPPORTS_BIG_ENDIAN
>> 661 select SYS_SUPPORTS_32BIT_KERNEL
>> 662 select SYS_SUPPORTS_MIPS16
>> 663 select SYS_SUPPORTS_MULTITHREADING
>> 664 select SYS_SUPPORTS_VPE_LOADER
>> 665 select SYS_HAS_EARLY_PRINTK
>> 666 select SYS_HAS_EARLY_PRINTK_8250
>> 667 select USE_GENERIC_EARLY_PRINTK_8250
>> 668 select BOOT_RAW
>> 669 select PINCTRL
>> 670 select USE_OF
>> 671
>> 672 config SGI_IP22
>> 673 bool "SGI IP22 (Indy/Indigo2)"
>> 674 select ARC_MEMORY
>> 675 select ARC_PROMLIB
>> 676 select FW_ARC
>> 677 select FW_ARC32
>> 678 select ARCH_MIGHT_HAVE_PC_SERIO
>> 679 select BOOT_ELF32
>> 680 select CEVT_R4K
>> 681 select CSRC_R4K
>> 682 select DEFAULT_SGI_PARTITION
>> 683 select DMA_NONCOHERENT
>> 684 select HAVE_EISA
>> 685 select I8253
>> 686 select I8259
>> 687 select IP22_CPU_SCACHE
>> 688 select IRQ_MIPS_CPU
>> 689 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 690 select SGI_HAS_I8042
>> 691 select SGI_HAS_INDYDOG
>> 692 select SGI_HAS_HAL2
>> 693 select SGI_HAS_SEEQ
>> 694 select SGI_HAS_WD93
>> 695 select SGI_HAS_ZILOG
>> 696 select SWAP_IO_SPACE
>> 697 select SYS_HAS_CPU_R4X00
>> 698 select SYS_HAS_CPU_R5000
>> 699 select SYS_HAS_EARLY_PRINTK
>> 700 select SYS_SUPPORTS_32BIT_KERNEL
>> 701 select SYS_SUPPORTS_64BIT_KERNEL
>> 702 select SYS_SUPPORTS_BIG_ENDIAN
>> 703 select WAR_R4600_V1_INDEX_ICACHEOP
>> 704 select WAR_R4600_V1_HIT_CACHEOP
>> 705 select WAR_R4600_V2_HIT_CACHEOP
>> 706 select MIPS_L1_CACHE_SHIFT_7
>> 707 help
>> 708 This are the SGI Indy, Challenge S and Indigo2, as well as certain
>> 709 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
>> 710 that runs on these, say Y here.
>> 711
>> 712 config SGI_IP27
>> 713 bool "SGI IP27 (Origin200/2000)"
>> 714 select ARCH_HAS_PHYS_TO_DMA
>> 715 select ARCH_SPARSEMEM_ENABLE
>> 716 select FW_ARC
>> 717 select FW_ARC64
>> 718 select ARC_CMDLINE_ONLY
>> 719 select BOOT_ELF64
>> 720 select DEFAULT_SGI_PARTITION
>> 721 select FORCE_PCI
>> 722 select SYS_HAS_EARLY_PRINTK
>> 723 select HAVE_PCI
>> 724 select IRQ_MIPS_CPU
>> 725 select IRQ_DOMAIN_HIERARCHY
>> 726 select NR_CPUS_DEFAULT_64
>> 727 select PCI_DRIVERS_GENERIC
>> 728 select PCI_XTALK_BRIDGE
>> 729 select SYS_HAS_CPU_R10000
>> 730 select SYS_SUPPORTS_64BIT_KERNEL
>> 731 select SYS_SUPPORTS_BIG_ENDIAN
>> 732 select SYS_SUPPORTS_NUMA
>> 733 select SYS_SUPPORTS_SMP
>> 734 select WAR_R10000_LLSC
>> 735 select MIPS_L1_CACHE_SHIFT_7
>> 736 select NUMA
>> 737 help
>> 738 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
>> 739 workstations. To compile a Linux kernel that runs on these, say Y
>> 740 here.
>> 741
>> 742 config SGI_IP28
>> 743 bool "SGI IP28 (Indigo2 R10k)"
>> 744 select ARC_MEMORY
>> 745 select ARC_PROMLIB
>> 746 select FW_ARC
>> 747 select FW_ARC64
>> 748 select ARCH_MIGHT_HAVE_PC_SERIO
>> 749 select BOOT_ELF64
>> 750 select CEVT_R4K
>> 751 select CSRC_R4K
>> 752 select DEFAULT_SGI_PARTITION
>> 753 select DMA_NONCOHERENT
>> 754 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 755 select IRQ_MIPS_CPU
>> 756 select HAVE_EISA
>> 757 select I8253
>> 758 select I8259
>> 759 select SGI_HAS_I8042
>> 760 select SGI_HAS_INDYDOG
>> 761 select SGI_HAS_HAL2
>> 762 select SGI_HAS_SEEQ
>> 763 select SGI_HAS_WD93
>> 764 select SGI_HAS_ZILOG
>> 765 select SWAP_IO_SPACE
>> 766 select SYS_HAS_CPU_R10000
>> 767 select SYS_HAS_EARLY_PRINTK
>> 768 select SYS_SUPPORTS_64BIT_KERNEL
>> 769 select SYS_SUPPORTS_BIG_ENDIAN
>> 770 select WAR_R10000_LLSC
>> 771 select MIPS_L1_CACHE_SHIFT_7
>> 772 help
>> 773 This is the SGI Indigo2 with R10000 processor. To compile a Linux
>> 774 kernel that runs on these, say Y here.
>> 775
>> 776 config SGI_IP30
>> 777 bool "SGI IP30 (Octane/Octane2)"
>> 778 select ARCH_HAS_PHYS_TO_DMA
>> 779 select FW_ARC
>> 780 select FW_ARC64
>> 781 select BOOT_ELF64
>> 782 select CEVT_R4K
>> 783 select CSRC_R4K
>> 784 select FORCE_PCI
>> 785 select SYNC_R4K if SMP
>> 786 select ZONE_DMA32
>> 787 select HAVE_PCI
>> 788 select IRQ_MIPS_CPU
>> 789 select IRQ_DOMAIN_HIERARCHY
>> 790 select NR_CPUS_DEFAULT_2
>> 791 select PCI_DRIVERS_GENERIC
>> 792 select PCI_XTALK_BRIDGE
>> 793 select SYS_HAS_EARLY_PRINTK
>> 794 select SYS_HAS_CPU_R10000
>> 795 select SYS_SUPPORTS_64BIT_KERNEL
>> 796 select SYS_SUPPORTS_BIG_ENDIAN
>> 797 select SYS_SUPPORTS_SMP
>> 798 select WAR_R10000_LLSC
>> 799 select MIPS_L1_CACHE_SHIFT_7
>> 800 select ARC_MEMORY
>> 801 help
>> 802 These are the SGI Octane and Octane2 graphics workstations. To
>> 803 compile a Linux kernel that runs on these, say Y here.
>> 804
>> 805 config SGI_IP32
>> 806 bool "SGI IP32 (O2)"
>> 807 select ARC_MEMORY
>> 808 select ARC_PROMLIB
>> 809 select ARCH_HAS_PHYS_TO_DMA
>> 810 select FW_ARC
>> 811 select FW_ARC32
>> 812 select BOOT_ELF32
>> 813 select CEVT_R4K
>> 814 select CSRC_R4K
>> 815 select DMA_NONCOHERENT
>> 816 select HAVE_PCI
>> 817 select IRQ_MIPS_CPU
>> 818 select R5000_CPU_SCACHE
>> 819 select RM7000_CPU_SCACHE
>> 820 select SYS_HAS_CPU_R5000
>> 821 select SYS_HAS_CPU_R10000 if BROKEN
>> 822 select SYS_HAS_CPU_RM7000
>> 823 select SYS_HAS_CPU_NEVADA
>> 824 select SYS_SUPPORTS_64BIT_KERNEL
>> 825 select SYS_SUPPORTS_BIG_ENDIAN
>> 826 select WAR_ICACHE_REFILLS
>> 827 help
>> 828 If you want this kernel to run on SGI O2 workstation, say Y here.
>> 829
>> 830 config SIBYTE_CRHINE
>> 831 bool "Sibyte BCM91120C-CRhine"
>> 832 select BOOT_ELF32
>> 833 select SIBYTE_BCM1120
>> 834 select SWAP_IO_SPACE
>> 835 select SYS_HAS_CPU_SB1
>> 836 select SYS_SUPPORTS_BIG_ENDIAN
>> 837 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 838
>> 839 config SIBYTE_CARMEL
>> 840 bool "Sibyte BCM91120x-Carmel"
>> 841 select BOOT_ELF32
>> 842 select SIBYTE_BCM1120
>> 843 select SWAP_IO_SPACE
>> 844 select SYS_HAS_CPU_SB1
>> 845 select SYS_SUPPORTS_BIG_ENDIAN
>> 846 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 847
>> 848 config SIBYTE_CRHONE
>> 849 bool "Sibyte BCM91125C-CRhone"
>> 850 select BOOT_ELF32
>> 851 select SIBYTE_BCM1125
>> 852 select SWAP_IO_SPACE
>> 853 select SYS_HAS_CPU_SB1
>> 854 select SYS_SUPPORTS_BIG_ENDIAN
>> 855 select SYS_SUPPORTS_HIGHMEM
>> 856 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 857
>> 858 config SIBYTE_RHONE
>> 859 bool "Sibyte BCM91125E-Rhone"
>> 860 select BOOT_ELF32
>> 861 select SIBYTE_BCM1125H
>> 862 select SWAP_IO_SPACE
>> 863 select SYS_HAS_CPU_SB1
>> 864 select SYS_SUPPORTS_BIG_ENDIAN
>> 865 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 866
>> 867 config SIBYTE_SWARM
>> 868 bool "Sibyte BCM91250A-SWARM"
>> 869 select BOOT_ELF32
>> 870 select HAVE_PATA_PLATFORM
>> 871 select SIBYTE_SB1250
>> 872 select SWAP_IO_SPACE
>> 873 select SYS_HAS_CPU_SB1
>> 874 select SYS_SUPPORTS_BIG_ENDIAN
>> 875 select SYS_SUPPORTS_HIGHMEM
>> 876 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 877 select ZONE_DMA32 if 64BIT
>> 878 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 879
>> 880 config SIBYTE_LITTLESUR
>> 881 bool "Sibyte BCM91250C2-LittleSur"
>> 882 select BOOT_ELF32
>> 883 select HAVE_PATA_PLATFORM
>> 884 select SIBYTE_SB1250
>> 885 select SWAP_IO_SPACE
>> 886 select SYS_HAS_CPU_SB1
>> 887 select SYS_SUPPORTS_BIG_ENDIAN
>> 888 select SYS_SUPPORTS_HIGHMEM
>> 889 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 890 select ZONE_DMA32 if 64BIT
>> 891
>> 892 config SIBYTE_SENTOSA
>> 893 bool "Sibyte BCM91250E-Sentosa"
>> 894 select BOOT_ELF32
>> 895 select SIBYTE_SB1250
>> 896 select SWAP_IO_SPACE
>> 897 select SYS_HAS_CPU_SB1
>> 898 select SYS_SUPPORTS_BIG_ENDIAN
>> 899 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 900 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 901
>> 902 config SIBYTE_BIGSUR
>> 903 bool "Sibyte BCM91480B-BigSur"
>> 904 select BOOT_ELF32
>> 905 select NR_CPUS_DEFAULT_4
>> 906 select SIBYTE_BCM1x80
>> 907 select SWAP_IO_SPACE
>> 908 select SYS_HAS_CPU_SB1
>> 909 select SYS_SUPPORTS_BIG_ENDIAN
>> 910 select SYS_SUPPORTS_HIGHMEM
>> 911 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 912 select ZONE_DMA32 if 64BIT
>> 913 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 914
>> 915 config SNI_RM
>> 916 bool "SNI RM200/300/400"
>> 917 select ARC_MEMORY
>> 918 select ARC_PROMLIB
>> 919 select FW_ARC if CPU_LITTLE_ENDIAN
>> 920 select FW_ARC32 if CPU_LITTLE_ENDIAN
>> 921 select FW_SNIPROM if CPU_BIG_ENDIAN
>> 922 select ARCH_MAY_HAVE_PC_FDC
>> 923 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 924 select ARCH_MIGHT_HAVE_PC_SERIO
>> 925 select BOOT_ELF32
>> 926 select CEVT_R4K
>> 927 select CSRC_R4K
>> 928 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 929 select DMA_NONCOHERENT
>> 930 select GENERIC_ISA_DMA
>> 931 select HAVE_EISA
>> 932 select HAVE_PCSPKR_PLATFORM
>> 933 select HAVE_PCI
>> 934 select IRQ_MIPS_CPU
>> 935 select I8253
>> 936 select I8259
>> 937 select ISA
>> 938 select MIPS_L1_CACHE_SHIFT_6
>> 939 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
>> 940 select SYS_HAS_CPU_R4X00
>> 941 select SYS_HAS_CPU_R5000
>> 942 select SYS_HAS_CPU_R10000
>> 943 select R5000_CPU_SCACHE
>> 944 select SYS_HAS_EARLY_PRINTK
>> 945 select SYS_SUPPORTS_32BIT_KERNEL
>> 946 select SYS_SUPPORTS_64BIT_KERNEL
>> 947 select SYS_SUPPORTS_BIG_ENDIAN
>> 948 select SYS_SUPPORTS_HIGHMEM
>> 949 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 950 select WAR_R4600_V2_HIT_CACHEOP
>> 951 help
>> 952 The SNI RM200/300/400 are MIPS-based machines manufactured by
>> 953 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
>> 954 Technology and now in turn merged with Fujitsu. Say Y here to
>> 955 support this machine type.
>> 956
>> 957 config MACH_TX39XX
>> 958 bool "Toshiba TX39 series based machines"
>> 959
>> 960 config MACH_TX49XX
>> 961 bool "Toshiba TX49 series based machines"
>> 962 select WAR_TX49XX_ICACHE_INDEX_INV
>> 963
>> 964 config MIKROTIK_RB532
>> 965 bool "Mikrotik RB532 boards"
>> 966 select CEVT_R4K
>> 967 select CSRC_R4K
>> 968 select DMA_NONCOHERENT
>> 969 select HAVE_PCI
>> 970 select IRQ_MIPS_CPU
>> 971 select SYS_HAS_CPU_MIPS32_R1
>> 972 select SYS_SUPPORTS_32BIT_KERNEL
>> 973 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 974 select SWAP_IO_SPACE
>> 975 select BOOT_RAW
>> 976 select GPIOLIB
>> 977 select MIPS_L1_CACHE_SHIFT_4
>> 978 help
>> 979 Support the Mikrotik(tm) RouterBoard 532 series,
>> 980 based on the IDT RC32434 SoC.
>> 981
>> 982 config CAVIUM_OCTEON_SOC
>> 983 bool "Cavium Networks Octeon SoC based boards"
>> 984 select CEVT_R4K
>> 985 select ARCH_HAS_PHYS_TO_DMA
>> 986 select HAVE_RAPIDIO
>> 987 select PHYS_ADDR_T_64BIT
>> 988 select SYS_SUPPORTS_64BIT_KERNEL
>> 989 select SYS_SUPPORTS_BIG_ENDIAN
>> 990 select EDAC_SUPPORT
>> 991 select EDAC_ATOMIC_SCRUB
>> 992 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 993 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
>> 994 select SYS_HAS_EARLY_PRINTK
>> 995 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 996 select HAVE_PCI
>> 997 select HAVE_PLAT_DELAY
>> 998 select HAVE_PLAT_FW_INIT_CMDLINE
>> 999 select HAVE_PLAT_MEMCPY
>> 1000 select ZONE_DMA32
>> 1001 select HOLES_IN_ZONE
>> 1002 select GPIOLIB
>> 1003 select USE_OF
>> 1004 select ARCH_SPARSEMEM_ENABLE
>> 1005 select SYS_SUPPORTS_SMP
>> 1006 select NR_CPUS_DEFAULT_64
>> 1007 select MIPS_NR_CPU_NR_MAP_1024
>> 1008 select BUILTIN_DTB
>> 1009 select MTD
>> 1010 select MTD_COMPLEX_MAPPINGS
>> 1011 select SWIOTLB
>> 1012 select SYS_SUPPORTS_RELOCATABLE
>> 1013 help
>> 1014 This option supports all of the Octeon reference boards from Cavium
>> 1015 Networks. It builds a kernel that dynamically determines the Octeon
>> 1016 CPU type and supports all known board reference implementations.
>> 1017 Some of the supported boards are:
>> 1018 EBT3000
>> 1019 EBH3000
>> 1020 EBH3100
>> 1021 Thunder
>> 1022 Kodama
>> 1023 Hikari
>> 1024 Say Y here for most Octeon reference boards.
>> 1025
>> 1026 config NLM_XLR_BOARD
>> 1027 bool "Netlogic XLR/XLS based systems"
>> 1028 select BOOT_ELF32
>> 1029 select NLM_COMMON
>> 1030 select SYS_HAS_CPU_XLR
>> 1031 select SYS_SUPPORTS_SMP
>> 1032 select HAVE_PCI
>> 1033 select SWAP_IO_SPACE
>> 1034 select SYS_SUPPORTS_32BIT_KERNEL
>> 1035 select SYS_SUPPORTS_64BIT_KERNEL
>> 1036 select PHYS_ADDR_T_64BIT
>> 1037 select SYS_SUPPORTS_BIG_ENDIAN
>> 1038 select SYS_SUPPORTS_HIGHMEM
>> 1039 select NR_CPUS_DEFAULT_32
>> 1040 select CEVT_R4K
>> 1041 select CSRC_R4K
>> 1042 select IRQ_MIPS_CPU
>> 1043 select ZONE_DMA32 if 64BIT
>> 1044 select SYNC_R4K
>> 1045 select SYS_HAS_EARLY_PRINTK
>> 1046 select SYS_SUPPORTS_ZBOOT
>> 1047 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1048 help
>> 1049 Support for systems based on Netlogic XLR and XLS processors.
>> 1050 Say Y here if you have a XLR or XLS based board.
>> 1051
>> 1052 config NLM_XLP_BOARD
>> 1053 bool "Netlogic XLP based systems"
>> 1054 select BOOT_ELF32
>> 1055 select NLM_COMMON
>> 1056 select SYS_HAS_CPU_XLP
>> 1057 select SYS_SUPPORTS_SMP
>> 1058 select HAVE_PCI
>> 1059 select SYS_SUPPORTS_32BIT_KERNEL
>> 1060 select SYS_SUPPORTS_64BIT_KERNEL
>> 1061 select PHYS_ADDR_T_64BIT
>> 1062 select GPIOLIB
>> 1063 select SYS_SUPPORTS_BIG_ENDIAN
>> 1064 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1065 select SYS_SUPPORTS_HIGHMEM
>> 1066 select NR_CPUS_DEFAULT_32
>> 1067 select CEVT_R4K
>> 1068 select CSRC_R4K
>> 1069 select IRQ_MIPS_CPU
>> 1070 select ZONE_DMA32 if 64BIT
>> 1071 select SYNC_R4K
>> 1072 select SYS_HAS_EARLY_PRINTK
>> 1073 select USE_OF
>> 1074 select SYS_SUPPORTS_ZBOOT
>> 1075 select SYS_SUPPORTS_ZBOOT_UART16550
>> 1076 help
>> 1077 This board is based on Netlogic XLP Processor.
>> 1078 Say Y here if you have a XLP based board.
>> 1079
>> 1080 endchoice
>> 1081
>> 1082 source "arch/mips/alchemy/Kconfig"
>> 1083 source "arch/mips/ath25/Kconfig"
>> 1084 source "arch/mips/ath79/Kconfig"
>> 1085 source "arch/mips/bcm47xx/Kconfig"
>> 1086 source "arch/mips/bcm63xx/Kconfig"
>> 1087 source "arch/mips/bmips/Kconfig"
>> 1088 source "arch/mips/generic/Kconfig"
>> 1089 source "arch/mips/ingenic/Kconfig"
>> 1090 source "arch/mips/jazz/Kconfig"
>> 1091 source "arch/mips/lantiq/Kconfig"
>> 1092 source "arch/mips/pic32/Kconfig"
>> 1093 source "arch/mips/pistachio/Kconfig"
>> 1094 source "arch/mips/ralink/Kconfig"
>> 1095 source "arch/mips/sgi-ip27/Kconfig"
>> 1096 source "arch/mips/sibyte/Kconfig"
>> 1097 source "arch/mips/txx9/Kconfig"
>> 1098 source "arch/mips/vr41xx/Kconfig"
>> 1099 source "arch/mips/cavium-octeon/Kconfig"
>> 1100 source "arch/mips/loongson2ef/Kconfig"
>> 1101 source "arch/mips/loongson32/Kconfig"
>> 1102 source "arch/mips/loongson64/Kconfig"
>> 1103 source "arch/mips/netlogic/Kconfig"
>> 1104
>> 1105 endmenu
>> 1106
>> 1107 config GENERIC_HWEIGHT
>> 1108 bool
>> 1109 default y
>> 1110
>> 1111 config GENERIC_CALIBRATE_DELAY
>> 1112 bool
>> 1113 default y
342 1114
343 config SCHED_OMIT_FRAME_POINTER 1115 config SCHED_OMIT_FRAME_POINTER
344 bool 1116 bool
345 default y 1117 default y
346 1118
>> 1119 #
>> 1120 # Select some configuration options automatically based on user selections.
>> 1121 #
>> 1122 config FW_ARC
>> 1123 bool
>> 1124
347 config ARCH_MAY_HAVE_PC_FDC 1125 config ARCH_MAY_HAVE_PC_FDC
348 bool 1126 bool
349 default PCI <<
350 1127
351 config PPC_UDBG_16550 !! 1128 config BOOT_RAW
352 bool 1129 bool
353 1130
354 config GENERIC_TBSYNC !! 1131 config CEVT_BCM1480
355 bool 1132 bool
356 default y if PPC32 && SMP <<
357 1133
358 config AUDIT_ARCH !! 1134 config CEVT_DS1287
359 bool 1135 bool
360 default y <<
361 1136
362 config GENERIC_BUG !! 1137 config CEVT_GT641XX
363 bool 1138 bool
364 default y <<
365 depends on BUG <<
366 1139
367 config GENERIC_BUG_RELATIVE_POINTERS !! 1140 config CEVT_R4K
368 def_bool y !! 1141 bool
369 depends on GENERIC_BUG <<
370 1142
371 config SYS_SUPPORTS_APM_EMULATION !! 1143 config CEVT_SB1250
372 default y if PMAC_APM_EMU <<
373 bool 1144 bool
374 1145
375 config EPAPR_BOOT !! 1146 config CEVT_TXX9
376 bool 1147 bool
377 help <<
378 Used to allow a board to specify it <<
379 1148
380 config DEFAULT_UIMAGE !! 1149 config CSRC_BCM1480
381 bool 1150 bool
382 help <<
383 Used to allow a board to specify it <<
384 1151
385 config ARCH_HIBERNATION_POSSIBLE !! 1152 config CSRC_IOASIC
386 bool 1153 bool
387 default y <<
388 1154
389 config ARCH_SUSPEND_POSSIBLE !! 1155 config CSRC_R4K
390 def_bool y !! 1156 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
391 depends on ADB_PMU || PPC_EFIKA || PPC !! 1157 bool
392 (PPC_85xx && !PPC_E500MC) | !! 1158
393 || 44x !! 1159 config CSRC_SB1250
>> 1160 bool
>> 1161
>> 1162 config MIPS_CLOCK_VSYSCALL
>> 1163 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
>> 1164
>> 1165 config GPIO_TXX9
>> 1166 select GPIOLIB
>> 1167 bool
>> 1168
>> 1169 config FW_CFE
>> 1170 bool
>> 1171
>> 1172 config ARCH_SUPPORTS_UPROBES
>> 1173 bool
>> 1174
>> 1175 config DMA_PERDEV_COHERENT
>> 1176 bool
>> 1177 select ARCH_HAS_SETUP_DMA_OPS
>> 1178 select DMA_NONCOHERENT
>> 1179
>> 1180 config DMA_NONCOHERENT
>> 1181 bool
>> 1182 #
>> 1183 # MIPS allows mixing "slightly different" Cacheability and Coherency
>> 1184 # Attribute bits. It is believed that the uncached access through
>> 1185 # KSEG1 and the implementation specific "uncached accelerated" used
>> 1186 # by pgprot_writcombine can be mixed, and the latter sometimes provides
>> 1187 # significant advantages.
>> 1188 #
>> 1189 select ARCH_HAS_DMA_WRITE_COMBINE
>> 1190 select ARCH_HAS_DMA_PREP_COHERENT
>> 1191 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
>> 1192 select ARCH_HAS_DMA_SET_UNCACHED
>> 1193 select DMA_NONCOHERENT_MMAP
>> 1194 select NEED_DMA_MAP_STATE
>> 1195
>> 1196 config SYS_HAS_EARLY_PRINTK
>> 1197 bool
>> 1198
>> 1199 config SYS_SUPPORTS_HOTPLUG_CPU
>> 1200 bool
>> 1201
>> 1202 config MIPS_BONITO64
>> 1203 bool
>> 1204
>> 1205 config MIPS_MSC
>> 1206 bool
>> 1207
>> 1208 config SYNC_R4K
>> 1209 bool
>> 1210
>> 1211 config NO_IOPORT_MAP
>> 1212 def_bool n
>> 1213
>> 1214 config GENERIC_CSUM
>> 1215 def_bool CPU_NO_LOAD_STORE_LR
>> 1216
>> 1217 config GENERIC_ISA_DMA
>> 1218 bool
>> 1219 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
>> 1220 select ISA_DMA_API
>> 1221
>> 1222 config GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 1223 bool
>> 1224 select GENERIC_ISA_DMA
394 1225
395 config ARCH_SUSPEND_NONZERO_CPU !! 1226 config HAVE_PLAT_DELAY
>> 1227 bool
>> 1228
>> 1229 config HAVE_PLAT_FW_INIT_CMDLINE
>> 1230 bool
>> 1231
>> 1232 config HAVE_PLAT_MEMCPY
>> 1233 bool
>> 1234
>> 1235 config ISA_DMA_API
>> 1236 bool
>> 1237
>> 1238 config HOLES_IN_ZONE
>> 1239 bool
>> 1240
>> 1241 config SYS_SUPPORTS_RELOCATABLE
>> 1242 bool
>> 1243 help
>> 1244 Selected if the platform supports relocating the kernel.
>> 1245 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
>> 1246 to allow access to command line and entropy sources.
>> 1247
>> 1248 config MIPS_CBPF_JIT
396 def_bool y 1249 def_bool y
397 depends on PPC_POWERNV || PPC_PSERIES !! 1250 depends on BPF_JIT && HAVE_CBPF_JIT
398 1251
399 config ARCH_HAS_ADD_PAGES !! 1252 config MIPS_EBPF_JIT
400 def_bool y 1253 def_bool y
401 depends on ARCH_ENABLE_MEMORY_HOTPLUG !! 1254 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1255
>> 1256
>> 1257 #
>> 1258 # Endianness selection. Sufficiently obscure so many users don't know what to
>> 1259 # answer,so we try hard to limit the available choices. Also the use of a
>> 1260 # choice statement should be more obvious to the user.
>> 1261 #
>> 1262 choice
>> 1263 prompt "Endianness selection"
>> 1264 help
>> 1265 Some MIPS machines can be configured for either little or big endian
>> 1266 byte order. These modes require different kernels and a different
>> 1267 Linux distribution. In general there is one preferred byteorder for a
>> 1268 particular system but some systems are just as commonly used in the
>> 1269 one or the other endianness.
>> 1270
>> 1271 config CPU_BIG_ENDIAN
>> 1272 bool "Big endian"
>> 1273 depends on SYS_SUPPORTS_BIG_ENDIAN
>> 1274
>> 1275 config CPU_LITTLE_ENDIAN
>> 1276 bool "Little endian"
>> 1277 depends on SYS_SUPPORTS_LITTLE_ENDIAN
402 1278
403 config PPC_DCR_NATIVE !! 1279 endchoice
>> 1280
>> 1281 config EXPORT_UASM
404 bool 1282 bool
405 1283
406 config PPC_DCR_MMIO !! 1284 config SYS_SUPPORTS_APM_EMULATION
407 bool 1285 bool
408 1286
409 config PPC_DCR !! 1287 config SYS_SUPPORTS_BIG_ENDIAN
410 bool 1288 bool
411 depends on PPC_DCR_NATIVE || PPC_DCR_M <<
412 default y <<
413 1289
414 config PPC_PCI_OF_BUS_MAP !! 1290 config SYS_SUPPORTS_LITTLE_ENDIAN
415 bool "Use pci_to_OF_bus_map (deprecate !! 1291 bool
416 depends on PPC32 !! 1292
417 depends on PPC_PMAC || PPC_CHRP !! 1293 config MIPS_HUGE_TLB_SUPPORT
418 help !! 1294 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
419 This option uses pci_to_OF_bus_map t <<
420 restricts the system to only having <<
421 the "pci-OF-bus-map" property to be <<
422 <<
423 If unsure, say "N". <<
424 <<
425 config PPC_PCI_BUS_NUM_DOMAIN_DEPENDENT <<
426 depends on PPC32 <<
427 depends on !PPC_PCI_OF_BUS_MAP <<
428 bool "Assign PCI bus numbers from zero <<
429 default y <<
430 help <<
431 By default on PPC32 were PCI bus num <<
432 So system could have only 256 PCI bu <<
433 PCI domains. When this option is ena <<
434 PCI domain dependent and each PCI co <<
435 256 PCI buses, like it is on other L <<
436 1295
437 config PPC_OF_PLATFORM_PCI !! 1296 config IRQ_MSP_SLP
438 bool 1297 bool
439 depends on PCI <<
440 depends on PPC64 # not supported on 32 <<
441 1298
442 config ARCH_SUPPORTS_UPROBES !! 1299 config IRQ_MSP_CIC
443 def_bool y !! 1300 bool
444 1301
445 config PPC_ADV_DEBUG_REGS !! 1302 config IRQ_TXX9
446 bool 1303 bool
447 depends on BOOKE <<
448 default y <<
449 1304
450 config PPC_ADV_DEBUG_IACS !! 1305 config IRQ_GT641XX
451 int !! 1306 bool
452 depends on PPC_ADV_DEBUG_REGS <<
453 default 4 if 44x <<
454 default 2 <<
455 1307
456 config PPC_ADV_DEBUG_DACS !! 1308 config PCI_GT64XXX_PCI0
457 int !! 1309 bool
458 depends on PPC_ADV_DEBUG_REGS <<
459 default 2 <<
460 1310
461 config PPC_ADV_DEBUG_DVCS !! 1311 config PCI_XTALK_BRIDGE
462 int !! 1312 bool
463 depends on PPC_ADV_DEBUG_REGS <<
464 default 2 if 44x <<
465 default 0 <<
466 1313
467 config PPC_ADV_DEBUG_DAC_RANGE !! 1314 config NO_EXCEPT_FILL
468 bool 1315 bool
469 depends on PPC_ADV_DEBUG_REGS && 44x <<
470 default y <<
471 1316
472 config PPC_DAWR !! 1317 config MIPS_SPRAM
473 bool 1318 bool
474 1319
475 config PGTABLE_LEVELS !! 1320 config SWAP_IO_SPACE
>> 1321 bool
>> 1322
>> 1323 config SGI_HAS_INDYDOG
>> 1324 bool
>> 1325
>> 1326 config SGI_HAS_HAL2
>> 1327 bool
>> 1328
>> 1329 config SGI_HAS_SEEQ
>> 1330 bool
>> 1331
>> 1332 config SGI_HAS_WD93
>> 1333 bool
>> 1334
>> 1335 config SGI_HAS_ZILOG
>> 1336 bool
>> 1337
>> 1338 config SGI_HAS_I8042
>> 1339 bool
>> 1340
>> 1341 config DEFAULT_SGI_PARTITION
>> 1342 bool
>> 1343
>> 1344 config FW_ARC32
>> 1345 bool
>> 1346
>> 1347 config FW_SNIPROM
>> 1348 bool
>> 1349
>> 1350 config BOOT_ELF32
>> 1351 bool
>> 1352
>> 1353 config MIPS_L1_CACHE_SHIFT_4
>> 1354 bool
>> 1355
>> 1356 config MIPS_L1_CACHE_SHIFT_5
>> 1357 bool
>> 1358
>> 1359 config MIPS_L1_CACHE_SHIFT_6
>> 1360 bool
>> 1361
>> 1362 config MIPS_L1_CACHE_SHIFT_7
>> 1363 bool
>> 1364
>> 1365 config MIPS_L1_CACHE_SHIFT
476 int 1366 int
477 default 2 if !PPC64 !! 1367 default "7" if MIPS_L1_CACHE_SHIFT_7
478 default 4 !! 1368 default "6" if MIPS_L1_CACHE_SHIFT_6
>> 1369 default "5" if MIPS_L1_CACHE_SHIFT_5
>> 1370 default "4" if MIPS_L1_CACHE_SHIFT_4
>> 1371 default "5"
479 1372
480 source "arch/powerpc/sysdev/Kconfig" !! 1373 config ARC_CMDLINE_ONLY
481 source "arch/powerpc/platforms/Kconfig" !! 1374 bool
482 1375
483 menu "Kernel options" !! 1376 config ARC_CONSOLE
>> 1377 bool "ARC console support"
>> 1378 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
484 1379
485 config HIGHMEM !! 1380 config ARC_MEMORY
486 bool "High memory support" !! 1381 bool
487 depends on PPC32 <<
488 select KMAP_LOCAL <<
489 1382
490 source "kernel/Kconfig.hz" !! 1383 config ARC_PROMLIB
>> 1384 bool
>> 1385
>> 1386 config FW_ARC64
>> 1387 bool
491 1388
492 config MATH_EMULATION !! 1389 config BOOT_ELF64
493 bool "Math emulation" !! 1390 bool
494 depends on 44x || PPC_8xx || PPC_MPC83 !! 1391
495 select PPC_FPU_REGS !! 1392 menu "CPU selection"
496 help <<
497 Some PowerPC chips designed for embe <<
498 a floating-point unit and therefore <<
499 floating-point instructions in the P <<
500 say Y here, the kernel will include <<
501 unit, which will allow programs that <<
502 instructions to run. <<
503 <<
504 This is also useful to emulate missi <<
505 such as fsqrt on cores that do have <<
506 them (such as Freescale BookE). <<
507 1393
508 choice 1394 choice
509 prompt "Math emulation options" !! 1395 prompt "CPU type"
510 default MATH_EMULATION_FULL !! 1396 default CPU_R4X00
511 depends on MATH_EMULATION <<
512 <<
513 config MATH_EMULATION_FULL <<
514 bool "Emulate all the floating point i <<
515 help <<
516 Select this option will enable the k <<
517 all the floating point instructions. <<
518 a FPU, you should select this. <<
519 1397
520 config MATH_EMULATION_HW_UNIMPLEMENTED !! 1398 config CPU_LOONGSON64
521 bool "Just emulate the FPU unimplement !! 1399 bool "Loongson 64-bit CPU"
>> 1400 depends on SYS_HAS_CPU_LOONGSON64
>> 1401 select ARCH_HAS_PHYS_TO_DMA
>> 1402 select CPU_MIPSR2
>> 1403 select CPU_HAS_PREFETCH
>> 1404 select CPU_SUPPORTS_64BIT_KERNEL
>> 1405 select CPU_SUPPORTS_HIGHMEM
>> 1406 select CPU_SUPPORTS_HUGEPAGES
>> 1407 select CPU_SUPPORTS_MSA
>> 1408 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
>> 1409 select CPU_MIPSR2_IRQ_VI
>> 1410 select WEAK_ORDERING
>> 1411 select WEAK_REORDERING_BEYOND_LLSC
>> 1412 select MIPS_ASID_BITS_VARIABLE
>> 1413 select MIPS_PGD_C0_CONTEXT
>> 1414 select MIPS_L1_CACHE_SHIFT_6
>> 1415 select GPIOLIB
>> 1416 select SWIOTLB
>> 1417 select HAVE_KVM
>> 1418 help
>> 1419 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
>> 1420 cores implements the MIPS64R2 instruction set with many extensions,
>> 1421 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
>> 1422 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
>> 1423 Loongson-2E/2F is not covered here and will be removed in future.
>> 1424
>> 1425 config LOONGSON3_ENHANCEMENT
>> 1426 bool "New Loongson-3 CPU Enhancements"
>> 1427 default n
>> 1428 depends on CPU_LOONGSON64
522 help 1429 help
523 Select this if you know there does h !! 1430 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
524 SoC, but some floating point instruc !! 1431 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1432 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1433 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1434 Fast TLB refill support, etc.
>> 1435
>> 1436 This option enable those enhancements which are not probed at run
>> 1437 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1438 please say 'N' here. If you want a high-performance kernel to run on
>> 1439 new Loongson-3 machines only, please say 'Y' here.
>> 1440
>> 1441 config CPU_LOONGSON3_WORKAROUNDS
>> 1442 bool "Old Loongson-3 LLSC Workarounds"
>> 1443 default y if SMP
>> 1444 depends on CPU_LOONGSON64
>> 1445 help
>> 1446 Loongson-3 processors have the llsc issues which require workarounds.
>> 1447 Without workarounds the system may hang unexpectedly.
>> 1448
>> 1449 Newer Loongson-3 will fix these issues and no workarounds are needed.
>> 1450 The workarounds have no significant side effect on them but may
>> 1451 decrease the performance of the system so this option should be
>> 1452 disabled unless the kernel is intended to be run on old systems.
>> 1453
>> 1454 If unsure, please say Y.
>> 1455
>> 1456 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1457 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1458 default y
>> 1459 depends on CPU_LOONGSON64
>> 1460 help
>> 1461 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1462 userland to query CPU capabilities, much like CPUID on x86. This
>> 1463 option provides emulation of the instruction on older Loongson
>> 1464 cores, back to Loongson-3A1000.
>> 1465
>> 1466 If unsure, please say Y.
>> 1467
>> 1468 config CPU_LOONGSON2E
>> 1469 bool "Loongson 2E"
>> 1470 depends on SYS_HAS_CPU_LOONGSON2E
>> 1471 select CPU_LOONGSON2EF
>> 1472 help
>> 1473 The Loongson 2E processor implements the MIPS III instruction set
>> 1474 with many extensions.
>> 1475
>> 1476 It has an internal FPGA northbridge, which is compatible to
>> 1477 bonito64.
>> 1478
>> 1479 config CPU_LOONGSON2F
>> 1480 bool "Loongson 2F"
>> 1481 depends on SYS_HAS_CPU_LOONGSON2F
>> 1482 select CPU_LOONGSON2EF
>> 1483 select GPIOLIB
>> 1484 help
>> 1485 The Loongson 2F processor implements the MIPS III instruction set
>> 1486 with many extensions.
>> 1487
>> 1488 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
>> 1489 have a similar programming interface with FPGA northbridge used in
>> 1490 Loongson2E.
>> 1491
>> 1492 config CPU_LOONGSON1B
>> 1493 bool "Loongson 1B"
>> 1494 depends on SYS_HAS_CPU_LOONGSON1B
>> 1495 select CPU_LOONGSON32
>> 1496 select LEDS_GPIO_REGISTER
>> 1497 help
>> 1498 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
>> 1499 Release 1 instruction set and part of the MIPS32 Release 2
>> 1500 instruction set.
>> 1501
>> 1502 config CPU_LOONGSON1C
>> 1503 bool "Loongson 1C"
>> 1504 depends on SYS_HAS_CPU_LOONGSON1C
>> 1505 select CPU_LOONGSON32
>> 1506 select LEDS_GPIO_REGISTER
>> 1507 help
>> 1508 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
>> 1509 Release 1 instruction set and part of the MIPS32 Release 2
>> 1510 instruction set.
>> 1511
>> 1512 config CPU_MIPS32_R1
>> 1513 bool "MIPS32 Release 1"
>> 1514 depends on SYS_HAS_CPU_MIPS32_R1
>> 1515 select CPU_HAS_PREFETCH
>> 1516 select CPU_SUPPORTS_32BIT_KERNEL
>> 1517 select CPU_SUPPORTS_HIGHMEM
>> 1518 help
>> 1519 Choose this option to build a kernel for release 1 or later of the
>> 1520 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1521 MIPS processor are based on a MIPS32 processor. If you know the
>> 1522 specific type of processor in your system, choose those that one
>> 1523 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1524 Release 2 of the MIPS32 architecture is available since several
>> 1525 years so chances are you even have a MIPS32 Release 2 processor
>> 1526 in which case you should choose CPU_MIPS32_R2 instead for better
>> 1527 performance.
525 1528
526 endchoice !! 1529 config CPU_MIPS32_R2
>> 1530 bool "MIPS32 Release 2"
>> 1531 depends on SYS_HAS_CPU_MIPS32_R2
>> 1532 select CPU_HAS_PREFETCH
>> 1533 select CPU_SUPPORTS_32BIT_KERNEL
>> 1534 select CPU_SUPPORTS_HIGHMEM
>> 1535 select CPU_SUPPORTS_MSA
>> 1536 select HAVE_KVM
>> 1537 help
>> 1538 Choose this option to build a kernel for release 2 or later of the
>> 1539 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1540 MIPS processor are based on a MIPS32 processor. If you know the
>> 1541 specific type of processor in your system, choose those that one
>> 1542 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1543
>> 1544 config CPU_MIPS32_R5
>> 1545 bool "MIPS32 Release 5"
>> 1546 depends on SYS_HAS_CPU_MIPS32_R5
>> 1547 select CPU_HAS_PREFETCH
>> 1548 select CPU_SUPPORTS_32BIT_KERNEL
>> 1549 select CPU_SUPPORTS_HIGHMEM
>> 1550 select CPU_SUPPORTS_MSA
>> 1551 select HAVE_KVM
>> 1552 select MIPS_O32_FP64_SUPPORT
>> 1553 help
>> 1554 Choose this option to build a kernel for release 5 or later of the
>> 1555 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1556 family, are based on a MIPS32r5 processor. If you own an older
>> 1557 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1558
>> 1559 config CPU_MIPS32_R6
>> 1560 bool "MIPS32 Release 6"
>> 1561 depends on SYS_HAS_CPU_MIPS32_R6
>> 1562 select CPU_HAS_PREFETCH
>> 1563 select CPU_NO_LOAD_STORE_LR
>> 1564 select CPU_SUPPORTS_32BIT_KERNEL
>> 1565 select CPU_SUPPORTS_HIGHMEM
>> 1566 select CPU_SUPPORTS_MSA
>> 1567 select HAVE_KVM
>> 1568 select MIPS_O32_FP64_SUPPORT
>> 1569 help
>> 1570 Choose this option to build a kernel for release 6 or later of the
>> 1571 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1572 family, are based on a MIPS32r6 processor. If you own an older
>> 1573 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1574
>> 1575 config CPU_MIPS64_R1
>> 1576 bool "MIPS64 Release 1"
>> 1577 depends on SYS_HAS_CPU_MIPS64_R1
>> 1578 select CPU_HAS_PREFETCH
>> 1579 select CPU_SUPPORTS_32BIT_KERNEL
>> 1580 select CPU_SUPPORTS_64BIT_KERNEL
>> 1581 select CPU_SUPPORTS_HIGHMEM
>> 1582 select CPU_SUPPORTS_HUGEPAGES
>> 1583 help
>> 1584 Choose this option to build a kernel for release 1 or later of the
>> 1585 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1586 MIPS processor are based on a MIPS64 processor. If you know the
>> 1587 specific type of processor in your system, choose those that one
>> 1588 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1589 Release 2 of the MIPS64 architecture is available since several
>> 1590 years so chances are you even have a MIPS64 Release 2 processor
>> 1591 in which case you should choose CPU_MIPS64_R2 instead for better
>> 1592 performance.
527 1593
528 config PPC_TRANSACTIONAL_MEM !! 1594 config CPU_MIPS64_R2
529 bool "Transactional Memory support for !! 1595 bool "MIPS64 Release 2"
530 depends on PPC_BOOK3S_64 !! 1596 depends on SYS_HAS_CPU_MIPS64_R2
531 depends on SMP !! 1597 select CPU_HAS_PREFETCH
532 select ALTIVEC !! 1598 select CPU_SUPPORTS_32BIT_KERNEL
533 select VSX !! 1599 select CPU_SUPPORTS_64BIT_KERNEL
>> 1600 select CPU_SUPPORTS_HIGHMEM
>> 1601 select CPU_SUPPORTS_HUGEPAGES
>> 1602 select CPU_SUPPORTS_MSA
>> 1603 select HAVE_KVM
>> 1604 help
>> 1605 Choose this option to build a kernel for release 2 or later of the
>> 1606 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1607 MIPS processor are based on a MIPS64 processor. If you know the
>> 1608 specific type of processor in your system, choose those that one
>> 1609 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1610
>> 1611 config CPU_MIPS64_R5
>> 1612 bool "MIPS64 Release 5"
>> 1613 depends on SYS_HAS_CPU_MIPS64_R5
>> 1614 select CPU_HAS_PREFETCH
>> 1615 select CPU_SUPPORTS_32BIT_KERNEL
>> 1616 select CPU_SUPPORTS_64BIT_KERNEL
>> 1617 select CPU_SUPPORTS_HIGHMEM
>> 1618 select CPU_SUPPORTS_HUGEPAGES
>> 1619 select CPU_SUPPORTS_MSA
>> 1620 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1621 select HAVE_KVM
>> 1622 help
>> 1623 Choose this option to build a kernel for release 5 or later of the
>> 1624 MIPS64 architecture. This is a intermediate MIPS architecture
>> 1625 release partly implementing release 6 features. Though there is no
>> 1626 any hardware known to be based on this release.
>> 1627
>> 1628 config CPU_MIPS64_R6
>> 1629 bool "MIPS64 Release 6"
>> 1630 depends on SYS_HAS_CPU_MIPS64_R6
>> 1631 select CPU_HAS_PREFETCH
>> 1632 select CPU_NO_LOAD_STORE_LR
>> 1633 select CPU_SUPPORTS_32BIT_KERNEL
>> 1634 select CPU_SUPPORTS_64BIT_KERNEL
>> 1635 select CPU_SUPPORTS_HIGHMEM
>> 1636 select CPU_SUPPORTS_HUGEPAGES
>> 1637 select CPU_SUPPORTS_MSA
>> 1638 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1639 select HAVE_KVM
>> 1640 help
>> 1641 Choose this option to build a kernel for release 6 or later of the
>> 1642 MIPS64 architecture. New MIPS processors, starting with the Warrior
>> 1643 family, are based on a MIPS64r6 processor. If you own an older
>> 1644 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
>> 1645
>> 1646 config CPU_P5600
>> 1647 bool "MIPS Warrior P5600"
>> 1648 depends on SYS_HAS_CPU_P5600
>> 1649 select CPU_HAS_PREFETCH
>> 1650 select CPU_SUPPORTS_32BIT_KERNEL
>> 1651 select CPU_SUPPORTS_HIGHMEM
>> 1652 select CPU_SUPPORTS_MSA
>> 1653 select CPU_SUPPORTS_CPUFREQ
>> 1654 select CPU_MIPSR2_IRQ_VI
>> 1655 select CPU_MIPSR2_IRQ_EI
>> 1656 select HAVE_KVM
>> 1657 select MIPS_O32_FP64_SUPPORT
>> 1658 help
>> 1659 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
>> 1660 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
>> 1661 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
>> 1662 level features like up to six P5600 calculation cores, CM2 with L2
>> 1663 cache, IOCU/IOMMU (though might be unused depending on the system-
>> 1664 specific IP core configuration), GIC, CPC, virtualisation module,
>> 1665 eJTAG and PDtrace.
>> 1666
>> 1667 config CPU_R3000
>> 1668 bool "R3000"
>> 1669 depends on SYS_HAS_CPU_R3000
>> 1670 select CPU_HAS_WB
>> 1671 select CPU_R3K_TLB
>> 1672 select CPU_SUPPORTS_32BIT_KERNEL
>> 1673 select CPU_SUPPORTS_HIGHMEM
>> 1674 help
>> 1675 Please make sure to pick the right CPU type. Linux/MIPS is not
>> 1676 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
>> 1677 *not* work on R4000 machines and vice versa. However, since most
>> 1678 of the supported machines have an R4000 (or similar) CPU, R4x00
>> 1679 might be a safe bet. If the resulting kernel does not work,
>> 1680 try to recompile with R3000.
>> 1681
>> 1682 config CPU_TX39XX
>> 1683 bool "R39XX"
>> 1684 depends on SYS_HAS_CPU_TX39XX
>> 1685 select CPU_SUPPORTS_32BIT_KERNEL
>> 1686 select CPU_R3K_TLB
>> 1687
>> 1688 config CPU_VR41XX
>> 1689 bool "R41xx"
>> 1690 depends on SYS_HAS_CPU_VR41XX
>> 1691 select CPU_SUPPORTS_32BIT_KERNEL
>> 1692 select CPU_SUPPORTS_64BIT_KERNEL
>> 1693 help
>> 1694 The options selects support for the NEC VR4100 series of processors.
>> 1695 Only choose this option if you have one of these processors as a
>> 1696 kernel built with this option will not run on any other type of
>> 1697 processor or vice versa.
>> 1698
>> 1699 config CPU_R4300
>> 1700 bool "R4300"
>> 1701 depends on SYS_HAS_CPU_R4300
>> 1702 select CPU_SUPPORTS_32BIT_KERNEL
>> 1703 select CPU_SUPPORTS_64BIT_KERNEL
>> 1704 select CPU_HAS_LOAD_STORE_LR
>> 1705 help
>> 1706 MIPS Technologies R4300-series processors.
>> 1707
>> 1708 config CPU_R4X00
>> 1709 bool "R4x00"
>> 1710 depends on SYS_HAS_CPU_R4X00
>> 1711 select CPU_SUPPORTS_32BIT_KERNEL
>> 1712 select CPU_SUPPORTS_64BIT_KERNEL
>> 1713 select CPU_SUPPORTS_HUGEPAGES
>> 1714 help
>> 1715 MIPS Technologies R4000-series processors other than 4300, including
>> 1716 the R4000, R4400, R4600, and 4700.
>> 1717
>> 1718 config CPU_TX49XX
>> 1719 bool "R49XX"
>> 1720 depends on SYS_HAS_CPU_TX49XX
>> 1721 select CPU_HAS_PREFETCH
>> 1722 select CPU_SUPPORTS_32BIT_KERNEL
>> 1723 select CPU_SUPPORTS_64BIT_KERNEL
>> 1724 select CPU_SUPPORTS_HUGEPAGES
>> 1725
>> 1726 config CPU_R5000
>> 1727 bool "R5000"
>> 1728 depends on SYS_HAS_CPU_R5000
>> 1729 select CPU_SUPPORTS_32BIT_KERNEL
>> 1730 select CPU_SUPPORTS_64BIT_KERNEL
>> 1731 select CPU_SUPPORTS_HUGEPAGES
>> 1732 help
>> 1733 MIPS Technologies R5000-series processors other than the Nevada.
>> 1734
>> 1735 config CPU_R5500
>> 1736 bool "R5500"
>> 1737 depends on SYS_HAS_CPU_R5500
>> 1738 select CPU_SUPPORTS_32BIT_KERNEL
>> 1739 select CPU_SUPPORTS_64BIT_KERNEL
>> 1740 select CPU_SUPPORTS_HUGEPAGES
>> 1741 help
>> 1742 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
>> 1743 instruction set.
>> 1744
>> 1745 config CPU_NEVADA
>> 1746 bool "RM52xx"
>> 1747 depends on SYS_HAS_CPU_NEVADA
>> 1748 select CPU_SUPPORTS_32BIT_KERNEL
>> 1749 select CPU_SUPPORTS_64BIT_KERNEL
>> 1750 select CPU_SUPPORTS_HUGEPAGES
>> 1751 help
>> 1752 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
>> 1753
>> 1754 config CPU_R10000
>> 1755 bool "R10000"
>> 1756 depends on SYS_HAS_CPU_R10000
>> 1757 select CPU_HAS_PREFETCH
>> 1758 select CPU_SUPPORTS_32BIT_KERNEL
>> 1759 select CPU_SUPPORTS_64BIT_KERNEL
>> 1760 select CPU_SUPPORTS_HIGHMEM
>> 1761 select CPU_SUPPORTS_HUGEPAGES
>> 1762 help
>> 1763 MIPS Technologies R10000-series processors.
>> 1764
>> 1765 config CPU_RM7000
>> 1766 bool "RM7000"
>> 1767 depends on SYS_HAS_CPU_RM7000
>> 1768 select CPU_HAS_PREFETCH
>> 1769 select CPU_SUPPORTS_32BIT_KERNEL
>> 1770 select CPU_SUPPORTS_64BIT_KERNEL
>> 1771 select CPU_SUPPORTS_HIGHMEM
>> 1772 select CPU_SUPPORTS_HUGEPAGES
>> 1773
>> 1774 config CPU_SB1
>> 1775 bool "SB1"
>> 1776 depends on SYS_HAS_CPU_SB1
>> 1777 select CPU_SUPPORTS_32BIT_KERNEL
>> 1778 select CPU_SUPPORTS_64BIT_KERNEL
>> 1779 select CPU_SUPPORTS_HIGHMEM
>> 1780 select CPU_SUPPORTS_HUGEPAGES
>> 1781 select WEAK_ORDERING
>> 1782
>> 1783 config CPU_CAVIUM_OCTEON
>> 1784 bool "Cavium Octeon processor"
>> 1785 depends on SYS_HAS_CPU_CAVIUM_OCTEON
>> 1786 select CPU_HAS_PREFETCH
>> 1787 select CPU_SUPPORTS_64BIT_KERNEL
>> 1788 select WEAK_ORDERING
>> 1789 select CPU_SUPPORTS_HIGHMEM
>> 1790 select CPU_SUPPORTS_HUGEPAGES
>> 1791 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1792 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1793 select MIPS_L1_CACHE_SHIFT_7
>> 1794 select HAVE_KVM
>> 1795 help
>> 1796 The Cavium Octeon processor is a highly integrated chip containing
>> 1797 many ethernet hardware widgets for networking tasks. The processor
>> 1798 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
>> 1799 Full details can be found at http://www.caviumnetworks.com.
>> 1800
>> 1801 config CPU_BMIPS
>> 1802 bool "Broadcom BMIPS"
>> 1803 depends on SYS_HAS_CPU_BMIPS
>> 1804 select CPU_MIPS32
>> 1805 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
>> 1806 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
>> 1807 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
>> 1808 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
>> 1809 select CPU_SUPPORTS_32BIT_KERNEL
>> 1810 select DMA_NONCOHERENT
>> 1811 select IRQ_MIPS_CPU
>> 1812 select SWAP_IO_SPACE
>> 1813 select WEAK_ORDERING
>> 1814 select CPU_SUPPORTS_HIGHMEM
>> 1815 select CPU_HAS_PREFETCH
>> 1816 select CPU_SUPPORTS_CPUFREQ
>> 1817 select MIPS_EXTERNAL_TIMER
>> 1818 help
>> 1819 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
>> 1820
>> 1821 config CPU_XLR
>> 1822 bool "Netlogic XLR SoC"
>> 1823 depends on SYS_HAS_CPU_XLR
>> 1824 select CPU_SUPPORTS_32BIT_KERNEL
>> 1825 select CPU_SUPPORTS_64BIT_KERNEL
>> 1826 select CPU_SUPPORTS_HIGHMEM
>> 1827 select CPU_SUPPORTS_HUGEPAGES
>> 1828 select WEAK_ORDERING
>> 1829 select WEAK_REORDERING_BEYOND_LLSC
>> 1830 help
>> 1831 Netlogic Microsystems XLR/XLS processors.
>> 1832
>> 1833 config CPU_XLP
>> 1834 bool "Netlogic XLP SoC"
>> 1835 depends on SYS_HAS_CPU_XLP
>> 1836 select CPU_SUPPORTS_32BIT_KERNEL
>> 1837 select CPU_SUPPORTS_64BIT_KERNEL
>> 1838 select CPU_SUPPORTS_HIGHMEM
>> 1839 select WEAK_ORDERING
>> 1840 select WEAK_REORDERING_BEYOND_LLSC
>> 1841 select CPU_HAS_PREFETCH
>> 1842 select CPU_MIPSR2
>> 1843 select CPU_SUPPORTS_HUGEPAGES
>> 1844 select MIPS_ASID_BITS_VARIABLE
534 help 1845 help
535 Support user-mode Transactional Memo !! 1846 Netlogic Microsystems XLP processors.
>> 1847 endchoice
536 1848
537 config PPC_UV !! 1849 config CPU_MIPS32_3_5_FEATURES
538 bool "Ultravisor support" !! 1850 bool "MIPS32 Release 3.5 Features"
539 depends on KVM_BOOK3S_HV_POSSIBLE !! 1851 depends on SYS_HAS_CPU_MIPS32_R3_5
540 depends on DEVICE_PRIVATE !! 1852 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
>> 1853 CPU_P5600
>> 1854 help
>> 1855 Choose this option to build a kernel for release 2 or later of the
>> 1856 MIPS32 architecture including features from the 3.5 release such as
>> 1857 support for Enhanced Virtual Addressing (EVA).
>> 1858
>> 1859 config CPU_MIPS32_3_5_EVA
>> 1860 bool "Enhanced Virtual Addressing (EVA)"
>> 1861 depends on CPU_MIPS32_3_5_FEATURES
>> 1862 select EVA
>> 1863 default y
>> 1864 help
>> 1865 Choose this option if you want to enable the Enhanced Virtual
>> 1866 Addressing (EVA) on your MIPS32 core (such as proAptiv).
>> 1867 One of its primary benefits is an increase in the maximum size
>> 1868 of lowmem (up to 3GB). If unsure, say 'N' here.
>> 1869
>> 1870 config CPU_MIPS32_R5_FEATURES
>> 1871 bool "MIPS32 Release 5 Features"
>> 1872 depends on SYS_HAS_CPU_MIPS32_R5
>> 1873 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
>> 1874 help
>> 1875 Choose this option to build a kernel for release 2 or later of the
>> 1876 MIPS32 architecture including features from release 5 such as
>> 1877 support for Extended Physical Addressing (XPA).
>> 1878
>> 1879 config CPU_MIPS32_R5_XPA
>> 1880 bool "Extended Physical Addressing (XPA)"
>> 1881 depends on CPU_MIPS32_R5_FEATURES
>> 1882 depends on !EVA
>> 1883 depends on !PAGE_SIZE_4KB
>> 1884 depends on SYS_SUPPORTS_HIGHMEM
>> 1885 select XPA
>> 1886 select HIGHMEM
>> 1887 select PHYS_ADDR_T_64BIT
541 default n 1888 default n
542 help 1889 help
543 This option paravirtualizes the kern !! 1890 Choose this option if you want to enable the Extended Physical
544 supports the Protected Execution Fac !! 1891 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
545 the ultravisor firmware runs at a pr !! 1892 benefit is to increase physical addressing equal to or greater
546 hypervisor. !! 1893 than 40 bits. Note that this has the side effect of turning on
547 !! 1894 64-bit addressing which in turn makes the PTEs 64-bit in size.
548 If unsure, say "N". !! 1895 If unsure, say 'N' here.
549 <<
550 config LD_HEAD_STUB_CATCH <<
551 bool "Reserve 256 bytes to cope with l <<
552 depends on PPC64 <<
553 help <<
554 Very large kernels can cause linker <<
555 code in head_64.S, which moves the h <<
556 specified location. This option can <<
557 <<
558 If unsure, say "N". <<
559 <<
560 config MPROFILE_KERNEL <<
561 depends on PPC64_ELF_ABI_V2 && FUNCTIO <<
562 def_bool $(success,$(srctree)/arch/pow <<
563 def_bool $(success,$(srctree)/arch/pow <<
564 <<
565 config ARCH_USING_PATCHABLE_FUNCTION_ENTRY <<
566 depends on FUNCTION_TRACER && (PPC32 | <<
567 depends on $(cc-option,-fpatchable-fun <<
568 def_bool y if PPC32 <<
569 def_bool $(success,$(srctree)/arch/pow <<
570 def_bool $(success,$(srctree)/arch/pow <<
571 1896
572 config HOTPLUG_CPU !! 1897 if CPU_LOONGSON2F
573 bool "Support for enabling/disabling C !! 1898 config CPU_NOP_WORKAROUNDS
574 depends on SMP && (PPC_PSERIES || \ !! 1899 bool
575 PPC_PMAC || PPC_POWERNV || FSL <<
576 help <<
577 Say Y here to be able to disable and <<
578 CPUs at runtime on SMP machines. <<
579 <<
580 Say N if you are unsure. <<
581 <<
582 config INTERRUPT_SANITIZE_REGISTERS <<
583 bool "Clear gprs on interrupt arrival" <<
584 depends on PPC64 && ARCH_HAS_SYSCALL_W <<
585 default PPC_BOOK3E_64 || PPC_PSERIES | <<
586 help <<
587 Reduce the influence of user registe <<
588 syscalls through clearing user state <<
589 the exception. <<
590 1900
591 config PPC_QUEUED_SPINLOCKS !! 1901 config CPU_JUMP_WORKAROUNDS
592 bool "Queued spinlocks" if EXPERT !! 1902 bool
593 depends on SMP !! 1903
594 default PPC_BOOK3S_64 !! 1904 config CPU_LOONGSON2F_WORKAROUNDS
>> 1905 bool "Loongson 2F Workarounds"
>> 1906 default y
>> 1907 select CPU_NOP_WORKAROUNDS
>> 1908 select CPU_JUMP_WORKAROUNDS
595 help 1909 help
596 Say Y here to use queued spinlocks w !! 1910 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
597 fairness on large SMP and NUMA syste !! 1911 require workarounds. Without workarounds the system may hang
598 performance. !! 1912 unexpectedly. For more information please refer to the gas
>> 1913 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
599 1914
600 config ARCH_CPU_PROBE_RELEASE !! 1915 Loongson 2F03 and later have fixed these issues and no workarounds
601 def_bool y !! 1916 are needed. The workarounds have no significant side effect on them
602 depends on HOTPLUG_CPU !! 1917 but may decrease the performance of the system so this option should
>> 1918 be disabled unless the kernel is intended to be run on 2F01 or 2F02
>> 1919 systems.
603 1920
604 config PPC64_SUPPORTS_MEMORY_FAILURE !! 1921 If unsure, please say Y.
605 bool "Add support for memory hwpoison" !! 1922 endif # CPU_LOONGSON2F
606 depends on PPC_BOOK3S_64 <<
607 default "y" if PPC_POWERNV <<
608 select ARCH_SUPPORTS_MEMORY_FAILURE <<
609 1923
610 config ARCH_SUPPORTS_KEXEC !! 1924 config SYS_SUPPORTS_ZBOOT
611 def_bool PPC_BOOK3S || PPC_E500 || (44 !! 1925 bool
>> 1926 select HAVE_KERNEL_GZIP
>> 1927 select HAVE_KERNEL_BZIP2
>> 1928 select HAVE_KERNEL_LZ4
>> 1929 select HAVE_KERNEL_LZMA
>> 1930 select HAVE_KERNEL_LZO
>> 1931 select HAVE_KERNEL_XZ
>> 1932 select HAVE_KERNEL_ZSTD
612 1933
613 config ARCH_SUPPORTS_KEXEC_FILE !! 1934 config SYS_SUPPORTS_ZBOOT_UART16550
614 def_bool PPC64 !! 1935 bool
>> 1936 select SYS_SUPPORTS_ZBOOT
615 1937
616 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 1938 config SYS_SUPPORTS_ZBOOT_UART_PROM
617 def_bool y !! 1939 bool
>> 1940 select SYS_SUPPORTS_ZBOOT
618 1941
619 config ARCH_SELECTS_KEXEC_FILE !! 1942 config CPU_LOONGSON2EF
620 def_bool y !! 1943 bool
621 depends on KEXEC_FILE !! 1944 select CPU_SUPPORTS_32BIT_KERNEL
622 select KEXEC_ELF !! 1945 select CPU_SUPPORTS_64BIT_KERNEL
623 select HAVE_IMA_KEXEC if IMA !! 1946 select CPU_SUPPORTS_HIGHMEM
624 !! 1947 select CPU_SUPPORTS_HUGEPAGES
625 config PPC64_BIG_ENDIAN_ELF_ABI_V2 !! 1948 select ARCH_HAS_PHYS_TO_DMA
626 # Option is available to BFD, but LLD <<
627 # always true there. <<
628 prompt "Build big-endian kernel using <<
629 def_bool y <<
630 depends on PPC64 && CPU_BIG_ENDIAN <<
631 depends on CC_HAS_ELFV2 <<
632 help <<
633 This builds the kernel image using t <<
634 V2 ABI Specification", which has a r <<
635 function calls. This internal kernel <<
636 userspace compatibility. <<
637 <<
638 The V2 ABI is standard for 64-bit li <<
639 it is less well tested by kernel and <<
640 build userspace this way, and it can <<
641 1949
642 config RELOCATABLE !! 1950 config CPU_LOONGSON32
643 bool "Build a relocatable kernel" !! 1951 bool
644 depends on PPC64 || (FLATMEM && (44x | !! 1952 select CPU_MIPS32
645 select NONSTATIC_KERNEL !! 1953 select CPU_MIPSR2
646 help !! 1954 select CPU_HAS_PREFETCH
647 This builds a kernel image that is c !! 1955 select CPU_SUPPORTS_32BIT_KERNEL
648 location the kernel is loaded at. Fo !! 1956 select CPU_SUPPORTS_HIGHMEM
649 alignment restrictions, and this fea !! 1957 select CPU_SUPPORTS_CPUFREQ
650 DYNAMIC_MEMSTART and hence overrides <<
651 16k-aligned base address. The kernel <<
652 position-independent executable (PIE <<
653 which are processed early in the boo <<
654 <<
655 One use is for the kexec on panic ca <<
656 must live at a different physical ad <<
657 kernel. <<
658 <<
659 Note: If CONFIG_RELOCATABLE=y, then <<
660 it has been loaded at and the compil <<
661 CONFIG_PHYSICAL_START is ignored. H <<
662 setting can still be useful to bootw <<
663 load address of the kernel (eg. u-bo <<
664 1958
665 config RANDOMIZE_BASE !! 1959 config CPU_BMIPS32_3300
666 bool "Randomize the address of the ker !! 1960 select SMP_UP if SMP
667 depends on PPC_85xx && FLATMEM !! 1961 bool
668 depends on RELOCATABLE <<
669 help <<
670 Randomizes the virtual address at wh <<
671 loaded, as a security feature that d <<
672 relying on knowledge of the location <<
673 1962
674 If unsure, say Y. !! 1963 config CPU_BMIPS4350
>> 1964 bool
>> 1965 select SYS_SUPPORTS_SMP
>> 1966 select SYS_SUPPORTS_HOTPLUG_CPU
675 1967
676 config RELOCATABLE_TEST !! 1968 config CPU_BMIPS4380
677 bool "Test relocatable kernel" !! 1969 bool
678 depends on (PPC64 && RELOCATABLE) !! 1970 select MIPS_L1_CACHE_SHIFT_6
679 help !! 1971 select SYS_SUPPORTS_SMP
680 This runs the relocatable kernel at !! 1972 select SYS_SUPPORTS_HOTPLUG_CPU
681 loaded at, which tends to be non-zer !! 1973 select CPU_HAS_RIXI
682 relocation code. <<
683 1974
684 config ARCH_SUPPORTS_CRASH_DUMP !! 1975 config CPU_BMIPS5000
685 def_bool PPC64 || PPC_BOOK3S_32 || PPC !! 1976 bool
>> 1977 select MIPS_CPU_SCACHE
>> 1978 select MIPS_L1_CACHE_SHIFT_7
>> 1979 select SYS_SUPPORTS_SMP
>> 1980 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1981 select CPU_HAS_RIXI
686 1982
687 config ARCH_SELECTS_CRASH_DUMP !! 1983 config SYS_HAS_CPU_LOONGSON64
688 def_bool y !! 1984 bool
689 depends on CRASH_DUMP !! 1985 select CPU_SUPPORTS_CPUFREQ
690 select RELOCATABLE if PPC64 || 44x || !! 1986 select CPU_HAS_RIXI
691 1987
692 config ARCH_SUPPORTS_CRASH_HOTPLUG !! 1988 config SYS_HAS_CPU_LOONGSON2E
693 def_bool y !! 1989 bool
694 depends on PPC64 <<
695 1990
696 config FA_DUMP !! 1991 config SYS_HAS_CPU_LOONGSON2F
697 bool "Firmware-assisted dump" !! 1992 bool
698 depends on CRASH_DUMP && PPC64 && (PPC !! 1993 select CPU_SUPPORTS_CPUFREQ
699 help !! 1994 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
700 A robust mechanism to get reliable k <<
701 assistance from firmware. This appro <<
702 instead firmware assists in booting <<
703 while preserving memory contents. Fi <<
704 is meant to be a kdump replacement o <<
705 speed not possible without system fi <<
706 <<
707 If unsure, say "y". Only special ker <<
708 need to say "N" here. <<
709 <<
710 config PRESERVE_FA_DUMP <<
711 bool "Preserve Firmware-assisted dump" <<
712 depends on PPC64 && PPC_POWERNV && !FA <<
713 help <<
714 On a kernel with FA_DUMP disabled, t <<
715 crash data from a previously crash'e <<
716 memory preserving kernel boot would <<
717 Petitboot kernel is the typical usec <<
718 <<
719 config OPAL_CORE <<
720 bool "Export OPAL memory as /sys/firmw <<
721 depends on PPC64 && PPC_POWERNV <<
722 help <<
723 This option uses the MPIPL support i <<
724 ELF core of OPAL memory after a cras <<
725 as /sys/firmware/opal/core file whic <<
726 OPAL crashes using GDB. <<
727 1995
728 config IRQ_ALL_CPUS !! 1996 config SYS_HAS_CPU_LOONGSON1B
729 bool "Distribute interrupts on all CPU !! 1997 bool
730 depends on SMP <<
731 help <<
732 This option gives the kernel permiss <<
733 multiple CPUs. Saying N here will r <<
734 CPU. Generally saying Y is safe, al <<
735 reported with SMP Power Macintoshes <<
736 1998
737 config NUMA !! 1999 config SYS_HAS_CPU_LOONGSON1C
738 bool "NUMA Memory Allocation and Sched !! 2000 bool
739 depends on PPC64 && SMP <<
740 default y if PPC_PSERIES || PPC_POWERN <<
741 select USE_PERCPU_NUMA_NODE_ID <<
742 help <<
743 Enable NUMA (Non-Uniform Memory Acce <<
744 <<
745 The kernel will try to allocate memo <<
746 local memory controller of the CPU a <<
747 NUMA awareness to the kernel. <<
748 2001
749 config NODES_SHIFT !! 2002 config SYS_HAS_CPU_MIPS32_R1
750 int !! 2003 bool
751 default "8" if PPC64 <<
752 default "4" <<
753 depends on NUMA <<
754 2004
755 config HAVE_MEMORYLESS_NODES !! 2005 config SYS_HAS_CPU_MIPS32_R2
756 def_bool y !! 2006 bool
757 depends on NUMA <<
758 2007
759 config ARCH_SELECT_MEMORY_MODEL !! 2008 config SYS_HAS_CPU_MIPS32_R3_5
760 def_bool y !! 2009 bool
761 depends on PPC64 <<
762 2010
763 config ARCH_FLATMEM_ENABLE !! 2011 config SYS_HAS_CPU_MIPS32_R5
764 def_bool y !! 2012 bool
765 depends on (PPC64 && !NUMA) || PPC32 !! 2013 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
766 2014
767 config ARCH_SPARSEMEM_ENABLE !! 2015 config SYS_HAS_CPU_MIPS32_R6
768 def_bool y !! 2016 bool
769 depends on PPC64 !! 2017 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
770 select SPARSEMEM_VMEMMAP_ENABLE <<
771 2018
772 config ARCH_SPARSEMEM_DEFAULT !! 2019 config SYS_HAS_CPU_MIPS64_R1
773 def_bool y !! 2020 bool
774 depends on PPC_BOOK3S_64 <<
775 2021
776 config ILLEGAL_POINTER_VALUE !! 2022 config SYS_HAS_CPU_MIPS64_R2
777 hex !! 2023 bool
778 # This is roughly half way between the !! 2024
779 # of kernel space, which seems about a !! 2025 config SYS_HAS_CPU_MIPS64_R6
780 default 0x5deadbeef0000000 if PPC64 !! 2026 bool
>> 2027 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 2028
>> 2029 config SYS_HAS_CPU_P5600
>> 2030 bool
>> 2031 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 2032
>> 2033 config SYS_HAS_CPU_R3000
>> 2034 bool
>> 2035
>> 2036 config SYS_HAS_CPU_TX39XX
>> 2037 bool
>> 2038
>> 2039 config SYS_HAS_CPU_VR41XX
>> 2040 bool
>> 2041
>> 2042 config SYS_HAS_CPU_R4300
>> 2043 bool
>> 2044
>> 2045 config SYS_HAS_CPU_R4X00
>> 2046 bool
>> 2047
>> 2048 config SYS_HAS_CPU_TX49XX
>> 2049 bool
>> 2050
>> 2051 config SYS_HAS_CPU_R5000
>> 2052 bool
>> 2053
>> 2054 config SYS_HAS_CPU_R5500
>> 2055 bool
>> 2056
>> 2057 config SYS_HAS_CPU_NEVADA
>> 2058 bool
>> 2059
>> 2060 config SYS_HAS_CPU_R10000
>> 2061 bool
>> 2062 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 2063
>> 2064 config SYS_HAS_CPU_RM7000
>> 2065 bool
>> 2066
>> 2067 config SYS_HAS_CPU_SB1
>> 2068 bool
>> 2069
>> 2070 config SYS_HAS_CPU_CAVIUM_OCTEON
>> 2071 bool
>> 2072
>> 2073 config SYS_HAS_CPU_BMIPS
>> 2074 bool
>> 2075
>> 2076 config SYS_HAS_CPU_BMIPS32_3300
>> 2077 bool
>> 2078 select SYS_HAS_CPU_BMIPS
>> 2079
>> 2080 config SYS_HAS_CPU_BMIPS4350
>> 2081 bool
>> 2082 select SYS_HAS_CPU_BMIPS
>> 2083
>> 2084 config SYS_HAS_CPU_BMIPS4380
>> 2085 bool
>> 2086 select SYS_HAS_CPU_BMIPS
>> 2087
>> 2088 config SYS_HAS_CPU_BMIPS5000
>> 2089 bool
>> 2090 select SYS_HAS_CPU_BMIPS
>> 2091 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 2092
>> 2093 config SYS_HAS_CPU_XLR
>> 2094 bool
>> 2095
>> 2096 config SYS_HAS_CPU_XLP
>> 2097 bool
>> 2098
>> 2099 #
>> 2100 # CPU may reorder R->R, R->W, W->R, W->W
>> 2101 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
>> 2102 #
>> 2103 config WEAK_ORDERING
>> 2104 bool
>> 2105
>> 2106 #
>> 2107 # CPU may reorder reads and writes beyond LL/SC
>> 2108 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
>> 2109 #
>> 2110 config WEAK_REORDERING_BEYOND_LLSC
>> 2111 bool
>> 2112 endmenu
>> 2113
>> 2114 #
>> 2115 # These two indicate any level of the MIPS32 and MIPS64 architecture
>> 2116 #
>> 2117 config CPU_MIPS32
>> 2118 bool
>> 2119 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
>> 2120 CPU_MIPS32_R6 || CPU_P5600
>> 2121
>> 2122 config CPU_MIPS64
>> 2123 bool
>> 2124 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
>> 2125 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
>> 2126
>> 2127 #
>> 2128 # These indicate the revision of the architecture
>> 2129 #
>> 2130 config CPU_MIPSR1
>> 2131 bool
>> 2132 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
>> 2133
>> 2134 config CPU_MIPSR2
>> 2135 bool
>> 2136 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
>> 2137 select CPU_HAS_RIXI
>> 2138 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2139 select MIPS_SPRAM
>> 2140
>> 2141 config CPU_MIPSR5
>> 2142 bool
>> 2143 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
>> 2144 select CPU_HAS_RIXI
>> 2145 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2146 select MIPS_SPRAM
>> 2147
>> 2148 config CPU_MIPSR6
>> 2149 bool
>> 2150 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
>> 2151 select CPU_HAS_RIXI
>> 2152 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2153 select HAVE_ARCH_BITREVERSE
>> 2154 select MIPS_ASID_BITS_VARIABLE
>> 2155 select MIPS_CRC_SUPPORT
>> 2156 select MIPS_SPRAM
>> 2157
>> 2158 config TARGET_ISA_REV
>> 2159 int
>> 2160 default 1 if CPU_MIPSR1
>> 2161 default 2 if CPU_MIPSR2
>> 2162 default 5 if CPU_MIPSR5
>> 2163 default 6 if CPU_MIPSR6
781 default 0 2164 default 0
>> 2165 help
>> 2166 Reflects the ISA revision being targeted by the kernel build. This
>> 2167 is effectively the Kconfig equivalent of MIPS_ISA_REV.
782 2168
783 config ARCH_MEMORY_PROBE !! 2169 config EVA
784 def_bool y !! 2170 bool
785 depends on MEMORY_HOTPLUG !! 2171
>> 2172 config XPA
>> 2173 bool
>> 2174
>> 2175 config SYS_SUPPORTS_32BIT_KERNEL
>> 2176 bool
>> 2177 config SYS_SUPPORTS_64BIT_KERNEL
>> 2178 bool
>> 2179 config CPU_SUPPORTS_32BIT_KERNEL
>> 2180 bool
>> 2181 config CPU_SUPPORTS_64BIT_KERNEL
>> 2182 bool
>> 2183 config CPU_SUPPORTS_CPUFREQ
>> 2184 bool
>> 2185 config CPU_SUPPORTS_ADDRWINCFG
>> 2186 bool
>> 2187 config CPU_SUPPORTS_HUGEPAGES
>> 2188 bool
>> 2189 depends on !(32BIT && (ARCH_PHYS_ADDR_T_64BIT || EVA))
>> 2190 config MIPS_PGD_C0_CONTEXT
>> 2191 bool
>> 2192 depends on 64BIT
>> 2193 default y if (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
>> 2194
>> 2195 #
>> 2196 # Set to y for ptrace access to watch registers.
>> 2197 #
>> 2198 config HARDWARE_WATCHPOINTS
>> 2199 bool
>> 2200 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
>> 2201
>> 2202 menu "Kernel type"
786 2203
787 choice 2204 choice
788 prompt "Page size" !! 2205 prompt "Kernel code model"
789 default PPC_64K_PAGES if PPC_BOOK3S_64 !! 2206 help
790 default PPC_4K_PAGES !! 2207 You should only select this option if you have a workload that
791 help !! 2208 actually benefits from 64-bit processing or if your machine has
792 Select the kernel logical page size. !! 2209 large memory. You will only be presented a single option in this
793 will reduce software overhead at eac !! 2210 menu if your system does not support both 32-bit and 64-bit kernels.
794 hardware prefetch mechanisms to be m !! 2211
795 larger dma transfers increasing IO e !! 2212 config 32BIT
796 overhead. However the utilization of !! 2213 bool "32-bit kernel"
797 For example, each cached file will u !! 2214 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
798 page size to hold its contents and t !! 2215 select TRAD_SIGNALS
799 end of file and the end of page is w !! 2216 help
800 !! 2217 Select this option if you want to build a 32-bit kernel.
801 Some dedicated systems, such as soft !! 2218
802 accelerated calculations, have shown !! 2219 config 64BIT
803 !! 2220 bool "64-bit kernel"
804 If you configure a 64 bit kernel for !! 2221 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
805 processor does not support them, the !! 2222 help
806 them with 4k pages, loading them on !! 2223 Select this option if you want to build a 64-bit kernel.
807 reduced software overhead and larger <<
808 For the 32 bit kernel, a large page <<
809 unless it is supported by the config <<
810 <<
811 If unsure, choose 4K_PAGES. <<
812 <<
813 config PPC_4K_PAGES <<
814 bool "4k page size" <<
815 select HAVE_ARCH_SOFT_DIRTY if PPC_BOO <<
816 select HAVE_PAGE_SIZE_4KB <<
817 <<
818 config PPC_16K_PAGES <<
819 bool "16k page size" <<
820 depends on 44x || PPC_8xx <<
821 select HAVE_PAGE_SIZE_16KB <<
822 <<
823 config PPC_64K_PAGES <<
824 bool "64k page size" <<
825 depends on 44x || PPC_BOOK3S_64 <<
826 select HAVE_ARCH_SOFT_DIRTY if PPC_BOO <<
827 select HAVE_PAGE_SIZE_64KB <<
828 <<
829 config PPC_256K_PAGES <<
830 bool "256k page size (Requires non-sta <<
831 depends on 44x && !PPC_47x <<
832 select HAVE_PAGE_SIZE_256KB <<
833 help <<
834 Make the page size 256k. <<
835 <<
836 The kernel will only be able to run <<
837 compiled with '-zmax-page-size' set <<
838 binutils later than 2.17.50.0.3, or <<
839 definition from 0x10000 to 0x40000 i <<
840 2224
841 endchoice 2225 endchoice
842 2226
843 config THREAD_SHIFT !! 2227 config MIPS_VA_BITS_48
844 int "Thread shift" if EXPERT !! 2228 bool "48 bits virtual memory"
845 range 13 15 !! 2229 depends on 64BIT
846 default "15" if PPC_256K_PAGES !! 2230 help
847 default "15" if PPC_PSERIES || PPC_POW !! 2231 Support a maximum at least 48 bits of application virtual
848 default "14" if PPC64 !! 2232 memory. Default is 40 bits or less, depending on the CPU.
849 default "13" !! 2233 For page sizes 16k and above, this option results in a small
850 help !! 2234 memory overhead for page tables. For 4k page size, a fourth
851 Used to define the stack size. The d !! 2235 level of page tables is added which imposes both a memory
852 want. Only change this if you know w !! 2236 overhead as well as slower TLB fault handling.
853 <<
854 config DATA_SHIFT_BOOL <<
855 bool "Set custom data alignment" <<
856 depends on ADVANCED_OPTIONS <<
857 depends on STRICT_KERNEL_RWX || DEBUG_ <<
858 depends on (PPC_8xx && !PIN_TLB_DATA & <<
859 PPC_BOOK3S_32 || PPC_85xx <<
860 help <<
861 This option allows you to set the ke <<
862 RAM is mapped by blocks, the alignme <<
863 number of possible blocks. The defau <<
864 <<
865 Say N here unless you know what you <<
866 <<
867 config DATA_SHIFT <<
868 int "Data shift" if DATA_SHIFT_BOOL <<
869 default 24 if STRICT_KERNEL_RWX && PPC <<
870 range 17 28 if (STRICT_KERNEL_RWX || D <<
871 range 19 23 if (STRICT_KERNEL_RWX || D <<
872 range 20 24 if (STRICT_KERNEL_RWX || D <<
873 default 22 if STRICT_KERNEL_RWX && PPC <<
874 default 18 if (DEBUG_PAGEALLOC || KFEN <<
875 default 23 if (STRICT_KERNEL_RWX || DE <<
876 (PIN_TLB_DATA || PIN_TLB <<
877 default 19 if (STRICT_KERNEL_RWX || DE <<
878 default 24 if STRICT_KERNEL_RWX && PPC <<
879 default PAGE_SHIFT <<
880 help <<
881 On Book3S 32 (603+), DBATs are used <<
882 Smaller is the alignment, greater is <<
883 <<
884 On 8xx, large pages (512kb or 8M) ar <<
885 memory. Aligning to 8M reduces TLB m <<
886 in that case. If PIN_TLB is selected <<
887 8M pages will be pinned. <<
888 <<
889 config ARCH_FORCE_MAX_ORDER <<
890 int "Order of maximal physically conti <<
891 range 7 8 if PPC64 && PPC_64K_PAGES <<
892 default "8" if PPC64 && PPC_64K_PAGES <<
893 range 12 12 if PPC64 && !PPC_64K_PAGES <<
894 default "12" if PPC64 && !PPC_64K_PAGE <<
895 range 8 10 if PPC32 && PPC_16K_PAGES <<
896 default "8" if PPC32 && PPC_16K_PAGES <<
897 range 6 10 if PPC32 && PPC_64K_PAGES <<
898 default "6" if PPC32 && PPC_64K_PAGES <<
899 range 4 10 if PPC32 && PPC_256K_PAGES <<
900 default "4" if PPC32 && PPC_256K_PAGES <<
901 range 10 12 <<
902 default "10" <<
903 help <<
904 The kernel page allocator limits the <<
905 contiguous allocations. The limit is <<
906 defines the maximal power of two of <<
907 allocated as a single contiguous blo <<
908 overriding the default setting when <<
909 large blocks of physically contiguou <<
910 <<
911 The page size is not necessarily 4KB <<
912 systems, 64KB pages can be enabled v <<
913 this in mind when choosing a value f <<
914 2237
915 Don't change if unsure. !! 2238 If unsure, say N.
916 2239
917 config PPC_SUBPAGE_PROT !! 2240 choice
918 bool "Support setting protections for !! 2241 prompt "Kernel page size"
919 default n !! 2242 default PAGE_SIZE_4KB
920 depends on PPC_64S_HASH_MMU && PPC_64K !! 2243
>> 2244 config PAGE_SIZE_4KB
>> 2245 bool "4kB"
>> 2246 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2247 help
>> 2248 This option select the standard 4kB Linux page size. On some
>> 2249 R3000-family processors this is the only available page size. Using
>> 2250 4kB page size will minimize memory consumption and is therefore
>> 2251 recommended for low memory systems.
>> 2252
>> 2253 config PAGE_SIZE_8KB
>> 2254 bool "8kB"
>> 2255 depends on CPU_CAVIUM_OCTEON
>> 2256 depends on !MIPS_VA_BITS_48
>> 2257 help
>> 2258 Using 8kB page size will result in higher performance kernel at
>> 2259 the price of higher memory consumption. This option is available
>> 2260 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2261 distribution to support this.
>> 2262
>> 2263 config PAGE_SIZE_16KB
>> 2264 bool "16kB"
>> 2265 depends on !CPU_R3000 && !CPU_TX39XX
>> 2266 help
>> 2267 Using 16kB page size will result in higher performance kernel at
>> 2268 the price of higher memory consumption. This option is available on
>> 2269 all non-R3000 family processors. Note that you will need a suitable
>> 2270 Linux distribution to support this.
>> 2271
>> 2272 config PAGE_SIZE_32KB
>> 2273 bool "32kB"
>> 2274 depends on CPU_CAVIUM_OCTEON
>> 2275 depends on !MIPS_VA_BITS_48
>> 2276 help
>> 2277 Using 32kB page size will result in higher performance kernel at
>> 2278 the price of higher memory consumption. This option is available
>> 2279 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2280 distribution to support this.
>> 2281
>> 2282 config PAGE_SIZE_64KB
>> 2283 bool "64kB"
>> 2284 depends on !CPU_R3000 && !CPU_TX39XX
>> 2285 help
>> 2286 Using 64kB page size will result in higher performance kernel at
>> 2287 the price of higher memory consumption. This option is available on
>> 2288 all non-R3000 family processor. Not that at the time of this
>> 2289 writing this option is still high experimental.
>> 2290
>> 2291 endchoice
>> 2292
>> 2293 config FORCE_MAX_ZONEORDER
>> 2294 int "Maximum zone order"
>> 2295 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2296 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2297 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2298 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2299 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2300 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2301 range 0 64
>> 2302 default "11"
921 help 2303 help
922 This option adds support for system !! 2304 The kernel memory allocator divides physically contiguous memory
923 to set access permissions (read/writ !! 2305 blocks into "zones", where each zone is a power of two number of
924 on the 4k subpages of each 64k page. !! 2306 pages. This option selects the largest power of two that the kernel
>> 2307 keeps in the memory allocator. If you need to allocate very large
>> 2308 blocks of physically contiguous memory, then you may need to
>> 2309 increase this value.
>> 2310
>> 2311 This config option is actually maximum order plus one. For example,
>> 2312 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2313
>> 2314 The page size is not necessarily 4KB. Keep this in mind
>> 2315 when choosing a value for this option.
>> 2316
>> 2317 config BOARD_SCACHE
>> 2318 bool
>> 2319
>> 2320 config IP22_CPU_SCACHE
>> 2321 bool
>> 2322 select BOARD_SCACHE
>> 2323
>> 2324 #
>> 2325 # Support for a MIPS32 / MIPS64 style S-caches
>> 2326 #
>> 2327 config MIPS_CPU_SCACHE
>> 2328 bool
>> 2329 select BOARD_SCACHE
>> 2330
>> 2331 config R5000_CPU_SCACHE
>> 2332 bool
>> 2333 select BOARD_SCACHE
925 2334
926 If unsure, say N here. !! 2335 config RM7000_CPU_SCACHE
>> 2336 bool
>> 2337 select BOARD_SCACHE
927 2338
928 config PPC_PROT_SAO_LPAR !! 2339 config SIBYTE_DMA_PAGEOPS
929 bool "Support PROT_SAO mappings in LPA !! 2340 bool "Use DMA to clear/copy pages"
930 depends on PPC_BOOK3S_64 !! 2341 depends on CPU_SB1
931 help 2342 help
932 This option adds support for PROT_SA !! 2343 Instead of using the CPU to zero and copy pages, use a Data Mover
933 inside LPARs on supported CPUs. !! 2344 channel. These DMA channels are otherwise unused by the standard
>> 2345 SiByte Linux port. Seems to give a small performance benefit.
934 2346
935 This may cause issues when performin !! 2347 config CPU_HAS_PREFETCH
936 a CPU that supports SAO to one that !! 2348 bool
937 2349
938 If unsure, say N here. !! 2350 config CPU_GENERIC_DUMP_TLB
>> 2351 bool
>> 2352 default y if !(CPU_R3000 || CPU_TX39XX)
939 2353
940 config PPC_COPRO_BASE !! 2354 config MIPS_FP_SUPPORT
>> 2355 bool "Floating Point support" if EXPERT
>> 2356 default y
>> 2357 help
>> 2358 Select y to include support for floating point in the kernel
>> 2359 including initialization of FPU hardware, FP context save & restore
>> 2360 and emulation of an FPU where necessary. Without this support any
>> 2361 userland program attempting to use floating point instructions will
>> 2362 receive a SIGILL.
>> 2363
>> 2364 If you know that your userland will not attempt to use floating point
>> 2365 instructions then you can say n here to shrink the kernel a little.
>> 2366
>> 2367 If unsure, say y.
>> 2368
>> 2369 config CPU_R2300_FPU
>> 2370 bool
>> 2371 depends on MIPS_FP_SUPPORT
>> 2372 default y if CPU_R3000 || CPU_TX39XX
>> 2373
>> 2374 config CPU_R3K_TLB
>> 2375 bool
>> 2376
>> 2377 config CPU_R4K_FPU
>> 2378 bool
>> 2379 depends on MIPS_FP_SUPPORT
>> 2380 default y if !CPU_R2300_FPU
>> 2381
>> 2382 config CPU_R4K_CACHE_TLB
>> 2383 bool
>> 2384 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
>> 2385
>> 2386 config MIPS_MT_SMP
>> 2387 bool "MIPS MT SMP support (1 TC on each available VPE)"
>> 2388 default y
>> 2389 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
>> 2390 select CPU_MIPSR2_IRQ_VI
>> 2391 select CPU_MIPSR2_IRQ_EI
>> 2392 select SYNC_R4K
>> 2393 select MIPS_MT
>> 2394 select SMP
>> 2395 select SMP_UP
>> 2396 select SYS_SUPPORTS_SMP
>> 2397 select SYS_SUPPORTS_SCHED_SMT
>> 2398 select MIPS_PERF_SHARED_TC_COUNTERS
>> 2399 help
>> 2400 This is a kernel model which is known as SMVP. This is supported
>> 2401 on cores with the MT ASE and uses the available VPEs to implement
>> 2402 virtual processors which supports SMP. This is equivalent to the
>> 2403 Intel Hyperthreading feature. For further information go to
>> 2404 <http://www.imgtec.com/mips/mips-multithreading.asp>.
>> 2405
>> 2406 config MIPS_MT
941 bool 2407 bool
942 2408
943 config SCHED_SMT 2409 config SCHED_SMT
944 bool "SMT (Hyperthreading) scheduler s !! 2410 bool "SMT (multithreading) scheduler support"
945 depends on PPC64 && SMP !! 2411 depends on SYS_SUPPORTS_SCHED_SMT
>> 2412 default n
946 help 2413 help
947 SMT scheduler support improves the C 2414 SMT scheduler support improves the CPU scheduler's decision making
948 when dealing with POWER5 cpus at a c !! 2415 when dealing with MIPS MT enabled cores at a cost of slightly
949 overhead in some places. If unsure s !! 2416 increased overhead in some places. If unsure say N here.
950 2417
951 config PPC_DENORMALISATION !! 2418 config SYS_SUPPORTS_SCHED_SMT
952 bool "PowerPC denormalisation exceptio !! 2419 bool
953 depends on PPC_BOOK3S_64 <<
954 default "y" if PPC_POWERNV <<
955 help <<
956 Add support for handling denormalisa <<
957 values. Useful for bare metal only. <<
958 <<
959 config CMDLINE <<
960 string "Initial kernel command string" <<
961 default "" <<
962 help <<
963 On some platforms, there is currentl <<
964 pass arguments to the kernel. For th <<
965 some command-line options at build t <<
966 most cases you will need to specify <<
967 2420
968 choice !! 2421 config SYS_SUPPORTS_MULTITHREADING
969 prompt "Kernel command line type" !! 2422 bool
970 depends on CMDLINE != "" <<
971 default CMDLINE_FROM_BOOTLOADER <<
972 <<
973 config CMDLINE_FROM_BOOTLOADER <<
974 bool "Use bootloader kernel arguments <<
975 help <<
976 Uses the command-line options passed <<
977 the boot loader doesn't provide any, <<
978 string provided in CMDLINE will be u <<
979 <<
980 config CMDLINE_EXTEND <<
981 bool "Extend bootloader kernel argumen <<
982 help <<
983 The command-line arguments provided <<
984 appended to the default kernel comma <<
985 <<
986 config CMDLINE_FORCE <<
987 bool "Always use the default kernel co <<
988 help <<
989 Always use the default kernel comman <<
990 loader passes other arguments to the <<
991 This is useful if you cannot or don' <<
992 command-line options your boot loade <<
993 2423
994 endchoice !! 2424 config MIPS_MT_FPAFF
>> 2425 bool "Dynamic FPU affinity for FP-intensive threads"
>> 2426 default y
>> 2427 depends on MIPS_MT_SMP
995 2428
996 config EXTRA_TARGETS !! 2429 config MIPSR2_TO_R6_EMULATOR
997 string "Additional default image types !! 2430 bool "MIPS R2-to-R6 emulator"
>> 2431 depends on CPU_MIPSR6
>> 2432 depends on MIPS_FP_SUPPORT
>> 2433 default y
998 help 2434 help
999 List additional targets to be built !! 2435 Choose this option if you want to run non-R6 MIPS userland code.
1000 by spaces). This is useful for tar !! 2436 Even if you say 'Y' here, the emulator will still be disabled by
1001 files in the .dts directory. !! 2437 default. You can enable it using the 'mipsr2emu' kernel option.
>> 2438 The only reason this is a build-time option is to save ~14K from the
>> 2439 final kernel image.
1002 2440
1003 Targets in this list will be build !! 2441 config SYS_SUPPORTS_VPE_LOADER
1004 target, or when the user does a 'ma !! 2442 bool
1005 'make zImage.initrd'. !! 2443 depends on SYS_SUPPORTS_MULTITHREADING
>> 2444 help
>> 2445 Indicates that the platform supports the VPE loader, and provides
>> 2446 physical_memsize.
1006 2447
1007 If unsure, leave blank !! 2448 config MIPS_VPE_LOADER
>> 2449 bool "VPE loader support."
>> 2450 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
>> 2451 select CPU_MIPSR2_IRQ_VI
>> 2452 select CPU_MIPSR2_IRQ_EI
>> 2453 select MIPS_MT
>> 2454 help
>> 2455 Includes a loader for loading an elf relocatable object
>> 2456 onto another VPE and running it.
1008 2457
1009 config ARCH_WANTS_FREEZER_CONTROL !! 2458 config MIPS_VPE_LOADER_CMP
1010 def_bool y !! 2459 bool
1011 depends on ADB_PMU !! 2460 default "y"
>> 2461 depends on MIPS_VPE_LOADER && MIPS_CMP
1012 2462
1013 source "kernel/power/Kconfig" !! 2463 config MIPS_VPE_LOADER_MT
>> 2464 bool
>> 2465 default "y"
>> 2466 depends on MIPS_VPE_LOADER && !MIPS_CMP
1014 2467
1015 config PPC_MEM_KEYS !! 2468 config MIPS_VPE_LOADER_TOM
1016 prompt "PowerPC Memory Protection Key !! 2469 bool "Load VPE program into memory hidden from linux"
1017 def_bool y !! 2470 depends on MIPS_VPE_LOADER
1018 depends on PPC_BOOK3S_64 !! 2471 default y
1019 depends on PPC_64S_HASH_MMU !! 2472 help
1020 select ARCH_USES_HIGH_VMA_FLAGS !! 2473 The loader can use memory that is present but has been hidden from
1021 select ARCH_HAS_PKEYS !! 2474 Linux using the kernel command line option "mem=xxMB". It's up to
1022 help !! 2475 you to ensure the amount you put in the option and the space your
1023 Memory Protection Keys provides a m !! 2476 program requires is less or equal to the amount physically present.
1024 page-based protections, but without <<
1025 page tables when an application cha <<
1026 2477
1027 For details, see Documentation/core !! 2478 config MIPS_VPE_APSP_API
>> 2479 bool "Enable support for AP/SP API (RTLX)"
>> 2480 depends on MIPS_VPE_LOADER
1028 2481
1029 If unsure, say y. !! 2482 config MIPS_VPE_APSP_API_CMP
>> 2483 bool
>> 2484 default "y"
>> 2485 depends on MIPS_VPE_APSP_API && MIPS_CMP
1030 2486
1031 config ARCH_PKEY_BITS !! 2487 config MIPS_VPE_APSP_API_MT
1032 int !! 2488 bool
1033 default 5 !! 2489 default "y"
>> 2490 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2491
>> 2492 config MIPS_CMP
>> 2493 bool "MIPS CMP framework support (DEPRECATED)"
>> 2494 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2495 select SMP
>> 2496 select SYNC_R4K
>> 2497 select SYS_SUPPORTS_SMP
>> 2498 select WEAK_ORDERING
>> 2499 default n
>> 2500 help
>> 2501 Select this if you are using a bootloader which implements the "CMP
>> 2502 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2503 its ability to start secondary CPUs.
>> 2504
>> 2505 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2506 instead of this.
>> 2507
>> 2508 config MIPS_CPS
>> 2509 bool "MIPS Coherent Processing System support"
>> 2510 depends on SYS_SUPPORTS_MIPS_CPS
>> 2511 select MIPS_CM
>> 2512 select MIPS_CPS_PM if HOTPLUG_CPU
>> 2513 select SMP
>> 2514 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
>> 2515 select SYS_SUPPORTS_HOTPLUG_CPU
>> 2516 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
>> 2517 select SYS_SUPPORTS_SMP
>> 2518 select WEAK_ORDERING
>> 2519 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
>> 2520 help
>> 2521 Select this if you wish to run an SMP kernel across multiple cores
>> 2522 within a MIPS Coherent Processing System. When this option is
>> 2523 enabled the kernel will probe for other cores and boot them with
>> 2524 no external assistance. It is safe to enable this when hardware
>> 2525 support is unavailable.
>> 2526
>> 2527 config MIPS_CPS_PM
>> 2528 depends on MIPS_CPS
>> 2529 bool
>> 2530
>> 2531 config MIPS_CM
>> 2532 bool
>> 2533 select MIPS_CPC
1034 2534
1035 config PPC_SECURE_BOOT !! 2535 config MIPS_CPC
1036 prompt "Enable secure boot support" <<
1037 bool 2536 bool
1038 depends on PPC_POWERNV || PPC_PSERIES <<
1039 depends on IMA_ARCH_POLICY <<
1040 imply IMA_SECURE_AND_OR_TRUSTED_BOOT <<
1041 select PSERIES_PLPKS if PPC_PSERIES <<
1042 help <<
1043 Systems with firmware secure boot e <<
1044 policies to extend secure boot to t <<
1045 to enable OS secure boot on systems <<
1046 it. If in doubt say N. <<
1047 2537
1048 config PPC_SECVAR_SYSFS !! 2538 config SB1_PASS_2_WORKAROUNDS
1049 bool "Enable sysfs interface for POWE !! 2539 bool
>> 2540 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
>> 2541 default y
>> 2542
>> 2543 config SB1_PASS_2_1_WORKAROUNDS
>> 2544 bool
>> 2545 depends on CPU_SB1 && CPU_SB1_PASS_2
1050 default y 2546 default y
1051 depends on PPC_SECURE_BOOT !! 2547
1052 depends on SYSFS !! 2548 choice
>> 2549 prompt "SmartMIPS or microMIPS ASE support"
>> 2550
>> 2551 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
>> 2552 bool "None"
1053 help 2553 help
1054 POWER secure variables are managed !! 2554 Select this if you want neither microMIPS nor SmartMIPS support
1055 These variables are exposed to user <<
1056 read/write operations on these vari <<
1057 secure boot enabled and want to exp <<
1058 2555
1059 endmenu !! 2556 config CPU_HAS_SMARTMIPS
>> 2557 depends on SYS_SUPPORTS_SMARTMIPS
>> 2558 bool "SmartMIPS"
>> 2559 help
>> 2560 SmartMIPS is a extension of the MIPS32 architecture aimed at
>> 2561 increased security at both hardware and software level for
>> 2562 smartcards. Enabling this option will allow proper use of the
>> 2563 SmartMIPS instructions by Linux applications. However a kernel with
>> 2564 this option will not work on a MIPS core without SmartMIPS core. If
>> 2565 you don't know you probably don't have SmartMIPS and should say N
>> 2566 here.
>> 2567
>> 2568 config CPU_MICROMIPS
>> 2569 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
>> 2570 bool "microMIPS"
>> 2571 help
>> 2572 When this option is enabled the kernel will be built using the
>> 2573 microMIPS ISA
1060 2574
1061 config ISA_DMA_API !! 2575 endchoice
>> 2576
>> 2577 config CPU_HAS_MSA
>> 2578 bool "Support for the MIPS SIMD Architecture"
>> 2579 depends on CPU_SUPPORTS_MSA
>> 2580 depends on MIPS_FP_SUPPORT
>> 2581 depends on 64BIT || MIPS_O32_FP64_SUPPORT
>> 2582 help
>> 2583 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
>> 2584 and a set of SIMD instructions to operate on them. When this option
>> 2585 is enabled the kernel will support allocating & switching MSA
>> 2586 vector register contexts. If you know that your kernel will only be
>> 2587 running on CPUs which do not support MSA or that your userland will
>> 2588 not be making use of it then you may wish to say N here to reduce
>> 2589 the size & complexity of your kernel.
>> 2590
>> 2591 If unsure, say Y.
>> 2592
>> 2593 config CPU_HAS_WB
1062 bool 2594 bool
1063 default PCI <<
1064 2595
1065 menu "Bus options" !! 2596 config XKS01
>> 2597 bool
1066 2598
1067 config ISA !! 2599 config CPU_HAS_DIEI
1068 bool "Support for ISA-bus hardware" !! 2600 depends on !CPU_DIEI_BROKEN
1069 depends on PPC_CHRP !! 2601 bool
1070 select PPC_I8259 <<
1071 help <<
1072 Find out whether you have ISA slots <<
1073 name of a bus system, i.e. the way <<
1074 inside your box. If you have an Ap <<
1075 have an IBM RS/6000 or pSeries mach <<
1076 embedded board, consult your board <<
1077 2602
1078 config GENERIC_ISA_DMA !! 2603 config CPU_DIEI_BROKEN
1079 bool 2604 bool
1080 depends on ISA_DMA_API <<
1081 default y <<
1082 2605
1083 config PPC_INDIRECT_PCI !! 2606 config CPU_HAS_RIXI
1084 bool 2607 bool
1085 depends on PCI <<
1086 default y if 44x <<
1087 2608
1088 config SBUS !! 2609 config CPU_NO_LOAD_STORE_LR
1089 bool 2610 bool
>> 2611 help
>> 2612 CPU lacks support for unaligned load and store instructions:
>> 2613 LWL, LWR, SWL, SWR (Load/store word left/right).
>> 2614 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
>> 2615 systems).
1090 2616
1091 config FSL_SOC !! 2617 #
>> 2618 # Vectored interrupt mode is an R2 feature
>> 2619 #
>> 2620 config CPU_MIPSR2_IRQ_VI
1092 bool 2621 bool
1093 2622
1094 config FSL_PCI !! 2623 #
>> 2624 # Extended interrupt mode is an R2 feature
>> 2625 #
>> 2626 config CPU_MIPSR2_IRQ_EI
1095 bool 2627 bool
1096 select ARCH_HAS_DMA_SET_MASK <<
1097 select PPC_INDIRECT_PCI <<
1098 select PCI_QUIRKS <<
1099 2628
1100 config FSL_PMC !! 2629 config CPU_HAS_SYNC
1101 bool 2630 bool
>> 2631 depends on !CPU_R3000
1102 default y 2632 default y
1103 depends on SUSPEND && (PPC_85xx || PP !! 2633
>> 2634 #
>> 2635 # CPU non-features
>> 2636 #
>> 2637 config CPU_DADDI_WORKAROUNDS
>> 2638 bool
>> 2639
>> 2640 config CPU_R4000_WORKAROUNDS
>> 2641 bool
>> 2642 select CPU_R4400_WORKAROUNDS
>> 2643
>> 2644 config CPU_R4400_WORKAROUNDS
>> 2645 bool
>> 2646
>> 2647 config CPU_R4X00_BUGS64
>> 2648 bool
>> 2649 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
>> 2650
>> 2651 config MIPS_ASID_SHIFT
>> 2652 int
>> 2653 default 6 if CPU_R3000 || CPU_TX39XX
>> 2654 default 0
>> 2655
>> 2656 config MIPS_ASID_BITS
>> 2657 int
>> 2658 default 0 if MIPS_ASID_BITS_VARIABLE
>> 2659 default 6 if CPU_R3000 || CPU_TX39XX
>> 2660 default 8
>> 2661
>> 2662 config MIPS_ASID_BITS_VARIABLE
>> 2663 bool
>> 2664
>> 2665 config MIPS_CRC_SUPPORT
>> 2666 bool
>> 2667
>> 2668 # R4600 erratum. Due to the lack of errata information the exact
>> 2669 # technical details aren't known. I've experimentally found that disabling
>> 2670 # interrupts during indexed I-cache flushes seems to be sufficient to deal
>> 2671 # with the issue.
>> 2672 config WAR_R4600_V1_INDEX_ICACHEOP
>> 2673 bool
>> 2674
>> 2675 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
>> 2676 #
>> 2677 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
>> 2678 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
>> 2679 # executed if there is no other dcache activity. If the dcache is
>> 2680 # accessed for another instruction immediately preceding when these
>> 2681 # cache instructions are executing, it is possible that the dcache
>> 2682 # tag match outputs used by these cache instructions will be
>> 2683 # incorrect. These cache instructions should be preceded by at least
>> 2684 # four instructions that are not any kind of load or store
>> 2685 # instruction.
>> 2686 #
>> 2687 # This is not allowed: lw
>> 2688 # nop
>> 2689 # nop
>> 2690 # nop
>> 2691 # cache Hit_Writeback_Invalidate_D
>> 2692 #
>> 2693 # This is allowed: lw
>> 2694 # nop
>> 2695 # nop
>> 2696 # nop
>> 2697 # nop
>> 2698 # cache Hit_Writeback_Invalidate_D
>> 2699 config WAR_R4600_V1_HIT_CACHEOP
>> 2700 bool
>> 2701
>> 2702 # Writeback and invalidate the primary cache dcache before DMA.
>> 2703 #
>> 2704 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
>> 2705 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
>> 2706 # operate correctly if the internal data cache refill buffer is empty. These
>> 2707 # CACHE instructions should be separated from any potential data cache miss
>> 2708 # by a load instruction to an uncached address to empty the response buffer."
>> 2709 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
>> 2710 # in .pdf format.)
>> 2711 config WAR_R4600_V2_HIT_CACHEOP
>> 2712 bool
>> 2713
>> 2714 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
>> 2715 # the line which this instruction itself exists, the following
>> 2716 # operation is not guaranteed."
>> 2717 #
>> 2718 # Workaround: do two phase flushing for Index_Invalidate_I
>> 2719 config WAR_TX49XX_ICACHE_INDEX_INV
>> 2720 bool
>> 2721
>> 2722 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
>> 2723 # opposes it being called that) where invalid instructions in the same
>> 2724 # I-cache line worth of instructions being fetched may case spurious
>> 2725 # exceptions.
>> 2726 config WAR_ICACHE_REFILLS
>> 2727 bool
>> 2728
>> 2729 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
>> 2730 # may cause ll / sc and lld / scd sequences to execute non-atomically.
>> 2731 config WAR_R10000_LLSC
>> 2732 bool
>> 2733
>> 2734 # 34K core erratum: "Problems Executing the TLBR Instruction"
>> 2735 config WAR_MIPS34K_MISSED_ITLB
>> 2736 bool
>> 2737
>> 2738 #
>> 2739 # - Highmem only makes sense for the 32-bit kernel.
>> 2740 # - The current highmem code will only work properly on physically indexed
>> 2741 # caches such as R3000, SB1, R7000 or those that look like they're virtually
>> 2742 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
>> 2743 # moment we protect the user and offer the highmem option only on machines
>> 2744 # where it's known to be safe. This will not offer highmem on a few systems
>> 2745 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
>> 2746 # indexed CPUs but we're playing safe.
>> 2747 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
>> 2748 # know they might have memory configurations that could make use of highmem
>> 2749 # support.
>> 2750 #
>> 2751 config HIGHMEM
>> 2752 bool "High Memory Support"
>> 2753 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
>> 2754 select KMAP_LOCAL
>> 2755
>> 2756 config CPU_SUPPORTS_HIGHMEM
>> 2757 bool
>> 2758
>> 2759 config SYS_SUPPORTS_HIGHMEM
>> 2760 bool
>> 2761
>> 2762 config SYS_SUPPORTS_SMARTMIPS
>> 2763 bool
>> 2764
>> 2765 config SYS_SUPPORTS_MICROMIPS
>> 2766 bool
>> 2767
>> 2768 config SYS_SUPPORTS_MIPS16
>> 2769 bool
1104 help 2770 help
1105 Freescale MPC85xx/MPC86xx power man !! 2771 This option must be set if a kernel might be executed on a MIPS16-
1106 (suspend/resume). For MPC83xx see p !! 2772 enabled CPU even if MIPS16 is not actually being used. In other
>> 2773 words, it makes the kernel MIPS16-tolerant.
1107 2774
1108 config PPC4xx_CPM !! 2775 config CPU_SUPPORTS_MSA
1109 bool 2776 bool
>> 2777
>> 2778 config ARCH_FLATMEM_ENABLE
>> 2779 def_bool y
>> 2780 depends on !NUMA && !CPU_LOONGSON2EF
>> 2781
>> 2782 config ARCH_SPARSEMEM_ENABLE
>> 2783 bool
>> 2784 select SPARSEMEM_STATIC if !SGI_IP27
>> 2785
>> 2786 config NUMA
>> 2787 bool "NUMA Support"
>> 2788 depends on SYS_SUPPORTS_NUMA
>> 2789 select SMP
>> 2790 help
>> 2791 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 2792 Access). This option improves performance on systems with more
>> 2793 than two nodes; on two node systems it is generally better to
>> 2794 leave it disabled; on single node systems leave this option
>> 2795 disabled.
>> 2796
>> 2797 config SYS_SUPPORTS_NUMA
>> 2798 bool
>> 2799
>> 2800 config HAVE_SETUP_PER_CPU_AREA
>> 2801 def_bool y
>> 2802 depends on NUMA
>> 2803
>> 2804 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2805 def_bool y
>> 2806 depends on NUMA
>> 2807
>> 2808 config RELOCATABLE
>> 2809 bool "Relocatable kernel"
>> 2810 depends on SYS_SUPPORTS_RELOCATABLE
>> 2811 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
>> 2812 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
>> 2813 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
>> 2814 CPU_P5600 || CAVIUM_OCTEON_SOC || \
>> 2815 CPU_LOONGSON64
>> 2816 help
>> 2817 This builds a kernel image that retains relocation information
>> 2818 so it can be loaded someplace besides the default 1MB.
>> 2819 The relocations make the kernel binary about 15% larger,
>> 2820 but are discarded at runtime
>> 2821
>> 2822 config RELOCATION_TABLE_SIZE
>> 2823 hex "Relocation table size"
>> 2824 depends on RELOCATABLE
>> 2825 range 0x0 0x01000000
>> 2826 default "0x00200000" if CPU_LOONGSON64
>> 2827 default "0x00100000"
>> 2828 help
>> 2829 A table of relocation data will be appended to the kernel binary
>> 2830 and parsed at boot to fix up the relocated kernel.
>> 2831
>> 2832 This option allows the amount of space reserved for the table to be
>> 2833 adjusted, although the default of 1Mb should be ok in most cases.
>> 2834
>> 2835 The build will fail and a valid size suggested if this is too small.
>> 2836
>> 2837 If unsure, leave at the default value.
>> 2838
>> 2839 config RANDOMIZE_BASE
>> 2840 bool "Randomize the address of the kernel image"
>> 2841 depends on RELOCATABLE
>> 2842 help
>> 2843 Randomizes the physical and virtual address at which the
>> 2844 kernel image is loaded, as a security feature that
>> 2845 deters exploit attempts relying on knowledge of the location
>> 2846 of kernel internals.
>> 2847
>> 2848 Entropy is generated using any coprocessor 0 registers available.
>> 2849
>> 2850 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
>> 2851
>> 2852 If unsure, say N.
>> 2853
>> 2854 config RANDOMIZE_BASE_MAX_OFFSET
>> 2855 hex "Maximum kASLR offset" if EXPERT
>> 2856 depends on RANDOMIZE_BASE
>> 2857 range 0x0 0x40000000 if EVA || 64BIT
>> 2858 range 0x0 0x08000000
>> 2859 default "0x01000000"
>> 2860 help
>> 2861 When kASLR is active, this provides the maximum offset that will
>> 2862 be applied to the kernel image. It should be set according to the
>> 2863 amount of physical RAM available in the target system minus
>> 2864 PHYSICAL_START and must be a power of 2.
>> 2865
>> 2866 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
>> 2867 EVA or 64-bit. The default is 16Mb.
>> 2868
>> 2869 config NODES_SHIFT
>> 2870 int
>> 2871 default "6"
>> 2872 depends on NEED_MULTIPLE_NODES
>> 2873
>> 2874 config HW_PERF_EVENTS
>> 2875 bool "Enable hardware performance counter support for perf events"
>> 2876 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON64)
1110 default y 2877 default y
1111 depends on SUSPEND && 44x <<
1112 help 2878 help
1113 PPC4xx Clock Power Management (CPM) !! 2879 Enable hardware performance counter support for perf events. If
1114 It also enables support for two dif !! 2880 disabled, perf events will use software events only.
1115 and idle-doze). <<
1116 2881
1117 config FSL_LBC !! 2882 config DMI
1118 bool "Freescale Local Bus support" !! 2883 bool "Enable DMI scanning"
>> 2884 depends on MACH_LOONGSON64
>> 2885 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
>> 2886 default y
1119 help 2887 help
1120 Enables reporting of errors from th !! 2888 Enabled scanning of DMI to identify machine quirks. Say Y
1121 controller. Also contains some com !! 2889 here unless you have verified that your setup is not
1122 drivers for specific local bus peri !! 2890 affected by entries in the DMI blacklist. Required by PNP
>> 2891 BIOS code.
1123 2892
1124 config FSL_GTM !! 2893 config SMP
1125 bool !! 2894 bool "Multi-Processing support"
1126 depends on PPC_83xx || QUICC_ENGINE | !! 2895 depends on SYS_SUPPORTS_SMP
1127 help 2896 help
1128 Freescale General-purpose Timers su !! 2897 This enables support for systems with more than one CPU. If you have
>> 2898 a system with only one CPU, say N. If you have a system with more
>> 2899 than one CPU, say Y.
>> 2900
>> 2901 If you say N here, the kernel will run on uni- and multiprocessor
>> 2902 machines, but will use only one CPU of a multiprocessor machine. If
>> 2903 you say Y here, the kernel will run on many, but not all,
>> 2904 uniprocessor machines. On a uniprocessor machine, the kernel
>> 2905 will run faster if you say N here.
>> 2906
>> 2907 People using multiprocessor machines who say Y here should also say
>> 2908 Y to "Enhanced Real Time Clock Support", below.
1129 2909
1130 config FSL_RIO !! 2910 See also the SMP-HOWTO available at
1131 bool "Freescale Embedded SRIO Control !! 2911 <https://www.tldp.org/docs.html#howto>.
1132 depends on RAPIDIO = y && HAVE_RAPIDI !! 2912
1133 default "n" !! 2913 If you don't know what to do here, say N.
>> 2914
>> 2915 config HOTPLUG_CPU
>> 2916 bool "Support for hot-pluggable CPUs"
>> 2917 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1134 help 2918 help
1135 Include support for RapidIO control !! 2919 Say Y here to allow turning CPUs off and on. CPUs can be
1136 processors (MPC8548, MPC8641, etc). !! 2920 controlled through /sys/devices/system/cpu.
>> 2921 (Note: power management support will enable this option
>> 2922 automatically on SMP systems. )
>> 2923 Say N if you want to disable CPU hotplug.
1137 2924
1138 endmenu !! 2925 config SMP_UP
>> 2926 bool
1139 2927
1140 config NONSTATIC_KERNEL !! 2928 config SYS_SUPPORTS_MIPS_CMP
1141 bool 2929 bool
1142 2930
1143 menu "Advanced setup" !! 2931 config SYS_SUPPORTS_MIPS_CPS
1144 depends on PPC32 !! 2932 bool
1145 2933
1146 config ADVANCED_OPTIONS !! 2934 config SYS_SUPPORTS_SMP
1147 bool "Prompt for advanced kernel conf !! 2935 bool
>> 2936
>> 2937 config NR_CPUS_DEFAULT_4
>> 2938 bool
>> 2939
>> 2940 config NR_CPUS_DEFAULT_8
>> 2941 bool
>> 2942
>> 2943 config NR_CPUS_DEFAULT_16
>> 2944 bool
>> 2945
>> 2946 config NR_CPUS_DEFAULT_32
>> 2947 bool
>> 2948
>> 2949 config NR_CPUS_DEFAULT_64
>> 2950 bool
>> 2951
>> 2952 config NR_CPUS
>> 2953 int "Maximum number of CPUs (2-256)"
>> 2954 range 2 256
>> 2955 depends on SMP
>> 2956 default "4" if NR_CPUS_DEFAULT_4
>> 2957 default "8" if NR_CPUS_DEFAULT_8
>> 2958 default "16" if NR_CPUS_DEFAULT_16
>> 2959 default "32" if NR_CPUS_DEFAULT_32
>> 2960 default "64" if NR_CPUS_DEFAULT_64
1148 help 2961 help
1149 This option will enable prompting f !! 2962 This allows you to specify the maximum number of CPUs which this
1150 configuration options. These optio !! 2963 kernel will support. The maximum supported value is 32 for 32-bit
1151 work if they are set incorrectly, b !! 2964 kernel and 64 for 64-bit kernels; the minimum value which makes
1152 aspects of kernel memory management !! 2965 sense is 1 for Qemu (useful only for kernel debugging purposes)
>> 2966 and 2 for all others.
>> 2967
>> 2968 This is purely to save memory - each supported CPU adds
>> 2969 approximately eight kilobytes to the kernel image. For best
>> 2970 performance should round up your number of processors to the next
>> 2971 power of two.
>> 2972
>> 2973 config MIPS_PERF_SHARED_TC_COUNTERS
>> 2974 bool
>> 2975
>> 2976 config MIPS_NR_CPU_NR_MAP_1024
>> 2977 bool
1153 2978
1154 Unless you know what you are doing, !! 2979 config MIPS_NR_CPU_NR_MAP
>> 2980 int
>> 2981 depends on SMP
>> 2982 default 1024 if MIPS_NR_CPU_NR_MAP_1024
>> 2983 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
1155 2984
1156 comment "Default settings for advanced config !! 2985 #
1157 depends on !ADVANCED_OPTIONS !! 2986 # Timer Interrupt Frequency Configuration
>> 2987 #
1158 2988
1159 config LOWMEM_SIZE_BOOL !! 2989 choice
1160 bool "Set maximum low memory" !! 2990 prompt "Timer frequency"
1161 depends on ADVANCED_OPTIONS !! 2991 default HZ_250
1162 help 2992 help
1163 This option allows you to set the m !! 2993 Allows the configuration of the timer frequency.
1164 will be used as "low memory", that !! 2994
1165 access directly, without having to !! 2995 config HZ_24
1166 This can be useful in optimizing th !! 2996 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
1167 memory. !! 2997
>> 2998 config HZ_48
>> 2999 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
>> 3000
>> 3001 config HZ_100
>> 3002 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
>> 3003
>> 3004 config HZ_128
>> 3005 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
>> 3006
>> 3007 config HZ_250
>> 3008 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1168 3009
1169 Say N here unless you know what you !! 3010 config HZ_256
>> 3011 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1170 3012
1171 config LOWMEM_SIZE !! 3013 config HZ_1000
1172 hex "Maximum low memory size (in byte !! 3014 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
1173 default "0x30000000" !! 3015
>> 3016 config HZ_1024
>> 3017 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
>> 3018
>> 3019 endchoice
>> 3020
>> 3021 config SYS_SUPPORTS_24HZ
>> 3022 bool
>> 3023
>> 3024 config SYS_SUPPORTS_48HZ
>> 3025 bool
>> 3026
>> 3027 config SYS_SUPPORTS_100HZ
>> 3028 bool
>> 3029
>> 3030 config SYS_SUPPORTS_128HZ
>> 3031 bool
1174 3032
1175 config LOWMEM_CAM_NUM_BOOL !! 3033 config SYS_SUPPORTS_250HZ
1176 bool "Set number of CAMs to use to ma !! 3034 bool
1177 depends on ADVANCED_OPTIONS && PPC_85 !! 3035
>> 3036 config SYS_SUPPORTS_256HZ
>> 3037 bool
>> 3038
>> 3039 config SYS_SUPPORTS_1000HZ
>> 3040 bool
>> 3041
>> 3042 config SYS_SUPPORTS_1024HZ
>> 3043 bool
>> 3044
>> 3045 config SYS_SUPPORTS_ARBIT_HZ
>> 3046 bool
>> 3047 default y if !SYS_SUPPORTS_24HZ && \
>> 3048 !SYS_SUPPORTS_48HZ && \
>> 3049 !SYS_SUPPORTS_100HZ && \
>> 3050 !SYS_SUPPORTS_128HZ && \
>> 3051 !SYS_SUPPORTS_250HZ && \
>> 3052 !SYS_SUPPORTS_256HZ && \
>> 3053 !SYS_SUPPORTS_1000HZ && \
>> 3054 !SYS_SUPPORTS_1024HZ
>> 3055
>> 3056 config HZ
>> 3057 int
>> 3058 default 24 if HZ_24
>> 3059 default 48 if HZ_48
>> 3060 default 100 if HZ_100
>> 3061 default 128 if HZ_128
>> 3062 default 250 if HZ_250
>> 3063 default 256 if HZ_256
>> 3064 default 1000 if HZ_1000
>> 3065 default 1024 if HZ_1024
>> 3066
>> 3067 config SCHED_HRTICK
>> 3068 def_bool HIGH_RES_TIMERS
>> 3069
>> 3070 config KEXEC
>> 3071 bool "Kexec system call"
>> 3072 select KEXEC_CORE
>> 3073 help
>> 3074 kexec is a system call that implements the ability to shutdown your
>> 3075 current kernel, and to start another kernel. It is like a reboot
>> 3076 but it is independent of the system firmware. And like a reboot
>> 3077 you can start any kernel with it, not just Linux.
>> 3078
>> 3079 The name comes from the similarity to the exec system call.
>> 3080
>> 3081 It is an ongoing process to be certain the hardware in a machine
>> 3082 is properly shutdown, so do not be surprised if this code does not
>> 3083 initially work for you. As of this writing the exact hardware
>> 3084 interface is strongly in flux, so no good recommendation can be
>> 3085 made.
>> 3086
>> 3087 config CRASH_DUMP
>> 3088 bool "Kernel crash dumps"
>> 3089 help
>> 3090 Generate crash dump after being started by kexec.
>> 3091 This should be normally only set in special crash dump kernels
>> 3092 which are loaded in the main kernel with kexec-tools into
>> 3093 a specially reserved region and then later executed after
>> 3094 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 3095 to a memory address not used by the main kernel or firmware using
>> 3096 PHYSICAL_START.
>> 3097
>> 3098 config PHYSICAL_START
>> 3099 hex "Physical address where the kernel is loaded"
>> 3100 default "0xffffffff84000000"
>> 3101 depends on CRASH_DUMP
1178 help 3102 help
1179 This option allows you to set the m !! 3103 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
1180 will be used to map low memory. Th !! 3104 If you plan to use kernel for capturing the crash dump change
1181 available and even more limited num !! 3105 this value to start of the reserved region (the "X" value as
1182 However, using more entries will al !! 3106 specified in the "crashkernel=YM@XM" command line boot parameter
1183 can be useful in optimizing the lay !! 3107 passed to the panic-ed kernel).
>> 3108
>> 3109 config MIPS_O32_FP64_SUPPORT
>> 3110 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
>> 3111 depends on 32BIT || MIPS32_O32
>> 3112 help
>> 3113 When this is enabled, the kernel will support use of 64-bit floating
>> 3114 point registers with binaries using the O32 ABI along with the
>> 3115 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
>> 3116 32-bit MIPS systems this support is at the cost of increasing the
>> 3117 size and complexity of the compiled FPU emulator. Thus if you are
>> 3118 running a MIPS32 system and know that none of your userland binaries
>> 3119 will require 64-bit floating point, you may wish to reduce the size
>> 3120 of your kernel & potentially improve FP emulation performance by
>> 3121 saying N here.
>> 3122
>> 3123 Although binutils currently supports use of this flag the details
>> 3124 concerning its effect upon the O32 ABI in userland are still being
>> 3125 worked on. In order to avoid userland becoming dependent upon current
>> 3126 behaviour before the details have been finalised, this option should
>> 3127 be considered experimental and only enabled by those working upon
>> 3128 said details.
>> 3129
>> 3130 If unsure, say N.
>> 3131
>> 3132 config USE_OF
>> 3133 bool
>> 3134 select OF
>> 3135 select OF_EARLY_FLATTREE
>> 3136 select IRQ_DOMAIN
1184 3137
1185 Say N here unless you know what you !! 3138 config UHI_BOOT
>> 3139 bool
1186 3140
1187 config LOWMEM_CAM_NUM !! 3141 config BUILTIN_DTB
1188 depends on PPC_85xx !! 3142 bool
1189 int "Number of CAMs to use to map low !! 3143
1190 default 3 if !STRICT_KERNEL_RWX !! 3144 choice
1191 default 9 if DATA_SHIFT >= 24 !! 3145 prompt "Kernel appended dtb support" if USE_OF
1192 default 12 if DATA_SHIFT >= 22 !! 3146 default MIPS_NO_APPENDED_DTB
>> 3147
>> 3148 config MIPS_NO_APPENDED_DTB
>> 3149 bool "None"
>> 3150 help
>> 3151 Do not enable appended dtb support.
>> 3152
>> 3153 config MIPS_ELF_APPENDED_DTB
>> 3154 bool "vmlinux"
>> 3155 help
>> 3156 With this option, the boot code will look for a device tree binary
>> 3157 DTB) included in the vmlinux ELF section .appended_dtb. By default
>> 3158 it is empty and the DTB can be appended using binutils command
>> 3159 objcopy:
>> 3160
>> 3161 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
>> 3162
>> 3163 This is meant as a backward compatibility convenience for those
>> 3164 systems with a bootloader that can't be upgraded to accommodate
>> 3165 the documented boot protocol using a device tree.
>> 3166
>> 3167 config MIPS_RAW_APPENDED_DTB
>> 3168 bool "vmlinux.bin or vmlinuz.bin"
>> 3169 help
>> 3170 With this option, the boot code will look for a device tree binary
>> 3171 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
>> 3172 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
>> 3173
>> 3174 This is meant as a backward compatibility convenience for those
>> 3175 systems with a bootloader that can't be upgraded to accommodate
>> 3176 the documented boot protocol using a device tree.
>> 3177
>> 3178 Beware that there is very little in terms of protection against
>> 3179 this option being confused by leftover garbage in memory that might
>> 3180 look like a DTB header after a reboot if no actual DTB is appended
>> 3181 to vmlinux.bin. Do not leave this option active in a production kernel
>> 3182 if you don't intend to always append a DTB.
>> 3183 endchoice
>> 3184
>> 3185 choice
>> 3186 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
>> 3187 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
>> 3188 !MACH_LOONGSON64 && !MIPS_MALTA && \
>> 3189 !CAVIUM_OCTEON_SOC
>> 3190 default MIPS_CMDLINE_FROM_BOOTLOADER
>> 3191
>> 3192 config MIPS_CMDLINE_FROM_DTB
>> 3193 depends on USE_OF
>> 3194 bool "Dtb kernel arguments if available"
>> 3195
>> 3196 config MIPS_CMDLINE_DTB_EXTEND
>> 3197 depends on USE_OF
>> 3198 bool "Extend dtb kernel arguments with bootloader arguments"
>> 3199
>> 3200 config MIPS_CMDLINE_FROM_BOOTLOADER
>> 3201 bool "Bootloader kernel arguments if available"
>> 3202
>> 3203 config MIPS_CMDLINE_BUILTIN_EXTEND
>> 3204 depends on CMDLINE_BOOL
>> 3205 bool "Extend builtin kernel arguments with bootloader arguments"
>> 3206 endchoice
>> 3207
>> 3208 endmenu
>> 3209
>> 3210 config LOCKDEP_SUPPORT
>> 3211 bool
>> 3212 default y
>> 3213
>> 3214 config STACKTRACE_SUPPORT
>> 3215 bool
>> 3216 default y
>> 3217
>> 3218 config PGTABLE_LEVELS
>> 3219 int
>> 3220 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
>> 3221 default 3 if 64BIT && !PAGE_SIZE_64KB
>> 3222 default 2
>> 3223
>> 3224 config MIPS_AUTO_PFN_OFFSET
>> 3225 bool
>> 3226
>> 3227 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
>> 3228
>> 3229 config PCI_DRIVERS_GENERIC
>> 3230 select PCI_DOMAINS_GENERIC if PCI
>> 3231 bool
>> 3232
>> 3233 config PCI_DRIVERS_LEGACY
>> 3234 def_bool !PCI_DRIVERS_GENERIC
>> 3235 select NO_GENERIC_PCI_IOPORT_MAP
>> 3236 select PCI_DOMAINS if PCI
>> 3237
>> 3238 #
>> 3239 # ISA support is now enabled via select. Too many systems still have the one
>> 3240 # or other ISA chip on the board that users don't know about so don't expect
>> 3241 # users to choose the right thing ...
>> 3242 #
>> 3243 config ISA
>> 3244 bool
>> 3245
>> 3246 config TC
>> 3247 bool "TURBOchannel support"
>> 3248 depends on MACH_DECSTATION
>> 3249 help
>> 3250 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
>> 3251 processors. TURBOchannel programming specifications are available
>> 3252 at:
>> 3253 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
>> 3254 and:
>> 3255 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
>> 3256 Linux driver support status is documented at:
>> 3257 <http://www.linux-mips.org/wiki/DECstation>
>> 3258
>> 3259 config MMU
>> 3260 bool
>> 3261 default y
>> 3262
>> 3263 config ARCH_MMAP_RND_BITS_MIN
>> 3264 default 12 if 64BIT
>> 3265 default 8
>> 3266
>> 3267 config ARCH_MMAP_RND_BITS_MAX
>> 3268 default 18 if 64BIT
1193 default 15 3269 default 15
1194 3270
1195 config DYNAMIC_MEMSTART !! 3271 config ARCH_MMAP_RND_COMPAT_BITS_MIN
1196 bool "Enable page aligned dynamic loa !! 3272 default 8
1197 depends on ADVANCED_OPTIONS && FLATME <<
1198 select NONSTATIC_KERNEL <<
1199 help <<
1200 This option enables the kernel to b <<
1201 physical address. The kernel create <<
1202 the address where the kernel is loa <<
1203 the TLB page size of the mapping fo <<
1204 Please refer to the init code for f <<
1205 <<
1206 DYNAMIC_MEMSTART is an easy way of <<
1207 kernel image, where the only restri <<
1208 load address. When this option is e <<
1209 address CONFIG_PHYSICAL_START is ig <<
1210 <<
1211 This option is overridden by CONFIG <<
1212 <<
1213 config PAGE_OFFSET_BOOL <<
1214 bool "Set custom page offset address" <<
1215 depends on ADVANCED_OPTIONS <<
1216 help <<
1217 This option allows you to set the k <<
1218 the kernel will map low memory. Th <<
1219 the virtual memory layout of the sy <<
1220 <<
1221 Say N here unless you know what you <<
1222 <<
1223 config PAGE_OFFSET <<
1224 hex "Virtual address of memory base" <<
1225 default "0xc0000000" <<
1226 <<
1227 config KERNEL_START_BOOL <<
1228 bool "Set custom kernel base address" <<
1229 depends on ADVANCED_OPTIONS <<
1230 help <<
1231 This option allows you to set the k <<
1232 the kernel will be loaded. Normall <<
1233 however there are times (like kdump <<
1234 to be the same. <<
1235 <<
1236 Say N here unless you know what you <<
1237 <<
1238 config KERNEL_START <<
1239 hex "Virtual address of kernel base" <<
1240 default PAGE_OFFSET if PAGE_OFFSET_BO <<
1241 default "0xc2000000" if CRASH_DUMP && <<
1242 default "0xc0000000" <<
1243 <<
1244 config PHYSICAL_START_BOOL <<
1245 bool "Set physical address where the <<
1246 depends on ADVANCED_OPTIONS && FLATME <<
1247 help <<
1248 This gives the physical address whe <<
1249 3273
1250 Say N here unless you know what you !! 3274 config ARCH_MMAP_RND_COMPAT_BITS_MAX
>> 3275 default 15
1251 3276
1252 config PHYSICAL_START !! 3277 config I8253
1253 hex "Physical address where the kerne !! 3278 bool
1254 default "0x02000000" if PPC_BOOK3S && !! 3279 select CLKSRC_I8253
1255 default "0x00000000" !! 3280 select CLKEVT_I8253
1256 !! 3281 select MIPS_EXTERNAL_TIMER
1257 config PHYSICAL_ALIGN !! 3282
1258 hex !! 3283 config ZONE_DMA
1259 default "0x04000000" if PPC_85xx !! 3284 bool
1260 help !! 3285
1261 This value puts the alignment restr !! 3286 config ZONE_DMA32
1262 where kernel is loaded and run from !! 3287 bool
1263 address which meets above alignment <<
1264 <<
1265 config TASK_SIZE_BOOL <<
1266 bool "Set custom user task size" <<
1267 depends on ADVANCED_OPTIONS <<
1268 help <<
1269 This option allows you to set the a <<
1270 allocated to user tasks. This can <<
1271 virtual memory layout of the system <<
1272 <<
1273 Say N here unless you know what you <<
1274 <<
1275 config TASK_SIZE <<
1276 hex "Size of user task space" if TASK <<
1277 default "0x80000000" if PPC_8xx <<
1278 default "0xb0000000" if PPC_BOOK3S_32 <<
1279 default "0xc0000000" <<
1280 <<
1281 config MODULES_SIZE_BOOL <<
1282 bool "Set custom size for modules/exe <<
1283 depends on EXECMEM && ADVANCED_OPTION <<
1284 help <<
1285 This option allows you to set the s <<
1286 space dedicated for modules/execmem <<
1287 For the time being it is only for 8 <<
1288 platform share it with vmalloc spac <<
1289 <<
1290 Say N here unless you know what you <<
1291 <<
1292 config MODULES_SIZE <<
1293 int "Size of modules/execmem area (In <<
1294 range 1 256 if EXECMEM <<
1295 default 64 if EXECMEM && PPC_BOOK3S_3 <<
1296 default 32 if EXECMEM && PPC_8xx <<
1297 default 0 <<
1298 3288
1299 endmenu 3289 endmenu
1300 3290
1301 if PPC64 !! 3291 config TRAD_SIGNALS
1302 # This value must have zeroes in the bottom 6 !! 3292 bool
1303 config PAGE_OFFSET !! 3293
1304 hex !! 3294 config MIPS32_COMPAT
1305 default "0xc000000000000000" !! 3295 bool
1306 config KERNEL_START !! 3296
1307 hex !! 3297 config COMPAT
1308 default "0xc000000000000000" !! 3298 bool
1309 config PHYSICAL_START !! 3299
1310 hex !! 3300 config SYSVIPC_COMPAT
1311 default "0x00000000" !! 3301 bool
1312 endif !! 3302
>> 3303 config MIPS32_O32
>> 3304 bool "Kernel support for o32 binaries"
>> 3305 depends on 64BIT
>> 3306 select ARCH_WANT_OLD_COMPAT_IPC
>> 3307 select COMPAT
>> 3308 select MIPS32_COMPAT
>> 3309 select SYSVIPC_COMPAT if SYSVIPC
>> 3310 help
>> 3311 Select this option if you want to run o32 binaries. These are pure
>> 3312 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
>> 3313 existing binaries are in this format.
>> 3314
>> 3315 If unsure, say Y.
>> 3316
>> 3317 config MIPS32_N32
>> 3318 bool "Kernel support for n32 binaries"
>> 3319 depends on 64BIT
>> 3320 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
>> 3321 select COMPAT
>> 3322 select MIPS32_COMPAT
>> 3323 select SYSVIPC_COMPAT if SYSVIPC
>> 3324 help
>> 3325 Select this option if you want to run n32 binaries. These are
>> 3326 64-bit binaries using 32-bit quantities for addressing and certain
>> 3327 data that would normally be 64-bit. They are used in special
>> 3328 cases.
>> 3329
>> 3330 If unsure, say N.
1313 3331
1314 config PPC_LIB_RHEAP !! 3332 menu "Power management options"
>> 3333
>> 3334 config ARCH_HIBERNATION_POSSIBLE
>> 3335 def_bool y
>> 3336 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
>> 3337
>> 3338 config ARCH_SUSPEND_POSSIBLE
>> 3339 def_bool y
>> 3340 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
>> 3341
>> 3342 source "kernel/power/Kconfig"
>> 3343
>> 3344 endmenu
>> 3345
>> 3346 config MIPS_EXTERNAL_TIMER
1315 bool 3347 bool
1316 3348
1317 source "arch/powerpc/kvm/Kconfig" !! 3349 menu "CPU Power Management"
>> 3350
>> 3351 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
>> 3352 source "drivers/cpufreq/Kconfig"
>> 3353 endif
>> 3354
>> 3355 source "drivers/cpuidle/Kconfig"
>> 3356
>> 3357 endmenu
>> 3358
>> 3359 source "drivers/firmware/Kconfig"
>> 3360
>> 3361 source "arch/mips/kvm/Kconfig"
1318 3362
1319 source "kernel/livepatch/Kconfig" !! 3363 source "arch/mips/vdso/Kconfig"
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