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 3 bool
88 depends on SMP && (DEBUGGER || KEXEC_C <<
89 default y 4 default y
90 !! 5 select ARCH_32BIT_OFF_T if !64BIT
91 config PPC_WATCHDOG !! 6 select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT
92 bool !! 7 select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000
93 depends on HARDLOCKUP_DETECTOR_ARCH !! 8 select ARCH_HAS_DEBUG_VIRTUAL if !64BIT
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 <<
120 default y <<
121 # <<
122 # Please keep this list sorted alphabe <<
123 # <<
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 9 select ARCH_HAS_FORTIFY_SOURCE
138 select ARCH_HAS_GCOV_PROFILE_ALL <<
139 select ARCH_HAS_KCOV 10 select ARCH_HAS_KCOV
140 select ARCH_HAS_KERNEL_FPU_SUPPORT !! 11 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
141 select ARCH_HAS_MEMBARRIER_CALLBACKS !! 12 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
142 select ARCH_HAS_MEMBARRIER_SYNC_CORE !! 13 select ARCH_HAS_STRNCPY_FROM_USER
143 select ARCH_HAS_MEMREMAP_COMPAT_ALIGN !! 14 select ARCH_HAS_STRNLEN_USER
144 select ARCH_HAS_MMIOWB !! 15 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
145 select ARCH_HAS_NON_OVERLAPPING_ADDRES !! 16 select ARCH_HAS_UBSAN_SANITIZE_ALL
146 select ARCH_HAS_PHYS_TO_DMA !! 17 select ARCH_HAS_GCOV_PROFILE_ALL
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 18 select ARCH_KEEP_MEMBLOCK
162 select ARCH_MHP_MEMMAP_ON_MEMORY_ENABL !! 19 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 20 select ARCH_USE_BUILTIN_BSWAP
172 select ARCH_USE_CMPXCHG_LOCKREF !! 21 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
173 select ARCH_USE_MEMTEST 22 select ARCH_USE_MEMTEST
174 select ARCH_USE_QUEUED_RWLOCKS !! 23 select ARCH_USE_QUEUED_RWLOCKS
175 select ARCH_WANT_DEFAULT_BPF_JIT !! 24 select ARCH_USE_QUEUED_SPINLOCKS
176 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ !! 25 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
>> 26 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
177 select ARCH_WANT_IPC_PARSE_VERSION 27 select ARCH_WANT_IPC_PARSE_VERSION
178 select ARCH_WANT_IRQS_OFF_ACTIVATE_MM <<
179 select ARCH_WANT_LD_ORPHAN_WARN 28 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 29 select BUILDTIME_TABLE_SORT
185 select CLONE_BACKWARDS 30 select CLONE_BACKWARDS
186 select CPUMASK_OFFSTACK !! 31 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
187 select DCACHE_WORD_ACCESS !! 32 select CPU_PM if CPU_IDLE
188 select DMA_OPS_BYPASS !! 33 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 34 select GENERIC_CMOS_UPDATE
197 select GENERIC_CPU_AUTOPROBE 35 select GENERIC_CPU_AUTOPROBE
198 select GENERIC_CPU_VULNERABILITIES <<
199 select GENERIC_EARLY_IOREMAP <<
200 select GENERIC_GETTIMEOFDAY 36 select GENERIC_GETTIMEOFDAY
201 select GENERIC_IDLE_POLL_SETUP !! 37 select GENERIC_IOMAP
202 select GENERIC_IOREMAP !! 38 select GENERIC_IRQ_PROBE
203 select GENERIC_IRQ_SHOW 39 select GENERIC_IRQ_SHOW
204 select GENERIC_IRQ_SHOW_LEVEL !! 40 select GENERIC_ISA_DMA if EISA
205 select GENERIC_PCI_IOMAP !! 41 select GENERIC_LIB_ASHLDI3
206 select GENERIC_PTDUMP !! 42 select GENERIC_LIB_ASHRDI3
>> 43 select GENERIC_LIB_CMPDI2
>> 44 select GENERIC_LIB_LSHRDI3
>> 45 select GENERIC_LIB_UCMPDI2
>> 46 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
207 select GENERIC_SMP_IDLE_THREAD 47 select GENERIC_SMP_IDLE_THREAD
208 select GENERIC_TIME_VSYSCALL 48 select GENERIC_TIME_VSYSCALL
209 select GENERIC_VDSO_TIME_NS !! 49 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
210 select HAS_IOPORT !! 50 select HAVE_ARCH_COMPILER_H
211 select HAVE_ARCH_AUDITSYSCALL <<
212 select HAVE_ARCH_HUGE_VMALLOC <<
213 select HAVE_ARCH_HUGE_VMAP <<
214 select HAVE_ARCH_JUMP_LABEL 51 select HAVE_ARCH_JUMP_LABEL
215 select HAVE_ARCH_JUMP_LABEL_RELATIVE !! 52 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
216 select HAVE_ARCH_KASAN !! 53 select HAVE_ARCH_MMAP_RND_BITS if MMU
217 select HAVE_ARCH_KASAN !! 54 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 55 select HAVE_ARCH_SECCOMP_FILTER
229 select HAVE_ARCH_TRACEHOOK 56 select HAVE_ARCH_TRACEHOOK
>> 57 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
230 select HAVE_ASM_MODVERSIONS 58 select HAVE_ASM_MODVERSIONS
231 select HAVE_CONTEXT_TRACKING_USER !! 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 !CPU_MICROMIPS && \
237 select HAVE_DYNAMIC_FTRACE_WITH_REGS !! 67 !CPU_DADDI_WORKAROUNDS && \
238 select HAVE_EBPF_JIT !! 68 !CPU_R4000_WORKAROUNDS && \
239 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 69 !CPU_R4400_WORKAROUNDS
240 select HAVE_GUP_FAST !! 70 select HAVE_EXIT_THREAD
>> 71 select HAVE_FAST_GUP
241 select HAVE_FTRACE_MCOUNT_RECORD 72 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 73 select HAVE_FUNCTION_GRAPH_TRACER
246 select HAVE_FUNCTION_TRACER !! 74 select HAVE_FUNCTION_TRACER
247 select HAVE_GCC_PLUGINS !! 75 select HAVE_GCC_PLUGINS
248 select HAVE_GENERIC_VDSO 76 select HAVE_GENERIC_VDSO
249 select HAVE_HARDLOCKUP_DETECTOR_ARCH <<
250 select HAVE_HARDLOCKUP_DETECTOR_PERF <<
251 select HAVE_HW_BREAKPOINT <<
252 select HAVE_IOREMAP_PROT 77 select HAVE_IOREMAP_PROT
>> 78 select HAVE_IRQ_EXIT_ON_IRQ_STACK
253 select HAVE_IRQ_TIME_ACCOUNTING 79 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 80 select HAVE_KPROBES
259 select HAVE_KPROBES_ON_FTRACE <<
260 select HAVE_KRETPROBES 81 select HAVE_KRETPROBES
261 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT !! 82 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
262 select HAVE_LIVEPATCH <<
263 select HAVE_MOD_ARCH_SPECIFIC 83 select HAVE_MOD_ARCH_SPECIFIC
264 select HAVE_NMI !! 84 select HAVE_NMI
265 select HAVE_OPTPROBES <<
266 select HAVE_OBJTOOL <<
267 select HAVE_OBJTOOL_MCOUNT <<
268 select HAVE_PERF_EVENTS 85 select HAVE_PERF_EVENTS
269 select HAVE_PERF_EVENTS_NMI <<
270 select HAVE_PERF_REGS 86 select HAVE_PERF_REGS
271 select HAVE_PERF_USER_STACK_DUMP 87 select HAVE_PERF_USER_STACK_DUMP
272 select HAVE_RETHOOK <<
273 select HAVE_REGS_AND_STACK_ACCESS_API 88 select HAVE_REGS_AND_STACK_ACCESS_API
274 select HAVE_RELIABLE_STACKTRACE <<
275 select HAVE_RSEQ 89 select HAVE_RSEQ
276 select HAVE_SETUP_PER_CPU_AREA !! 90 select HAVE_SPARSE_SYSCALL_NR
277 select HAVE_SOFTIRQ_ON_OWN_STACK !! 91 select HAVE_STACKPROTECTOR
278 select HAVE_STACKPROTECTOR <<
279 select HAVE_STACKPROTECTOR <<
280 select HAVE_STATIC_CALL <<
281 select HAVE_SYSCALL_TRACEPOINTS 92 select HAVE_SYSCALL_TRACEPOINTS
282 select HAVE_VIRT_CPU_ACCOUNTING !! 93 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 94 select IRQ_FORCED_THREADING
290 select KASAN_VMALLOC !! 95 select ISA if EISA
291 select LOCK_MM_AND_FIND_VMA !! 96 select MODULES_USE_ELF_REL if MODULES
292 select MMU_GATHER_PAGE_SIZE !! 97 select MODULES_USE_ELF_RELA if MODULES && 64BIT
293 select MMU_GATHER_RCU_TABLE_FREE !! 98 select PERF_USE_VMALLOC
294 select MMU_GATHER_MERGE_VMAS !! 99 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 100 select RTC_LIB
310 select SPARSE_IRQ <<
311 select STRICT_KERNEL_RWX if STRICT_MOD <<
312 select SYSCTL_EXCEPTION_TRACE 101 select SYSCTL_EXCEPTION_TRACE
313 select THREAD_INFO_IN_TASK <<
314 select TRACE_IRQFLAGS_SUPPORT 102 select TRACE_IRQFLAGS_SUPPORT
315 select VDSO_GETRANDOM !! 103 select VIRT_TO_BUS
316 # !! 104 select ARCH_HAS_ELFCORE_COMPAT
317 # Please keep this list sorted alphabe !! 105 select HAVE_ARCH_KCSAN if 64BIT
318 # !! 106
>> 107 config MIPS_FIXUP_BIGPHYS_ADDR
>> 108 bool
>> 109
>> 110 config MIPS_GENERIC
>> 111 bool
>> 112
>> 113 config MACH_INGENIC
>> 114 bool
>> 115 select SYS_SUPPORTS_32BIT_KERNEL
>> 116 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 117 select SYS_SUPPORTS_ZBOOT
>> 118 select DMA_NONCOHERENT
>> 119 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 120 select IRQ_MIPS_CPU
>> 121 select PINCTRL
>> 122 select GPIOLIB
>> 123 select COMMON_CLK
>> 124 select GENERIC_IRQ_CHIP
>> 125 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
>> 126 select USE_OF
>> 127 select CPU_SUPPORTS_CPUFREQ
>> 128 select MIPS_EXTERNAL_TIMER
>> 129
>> 130 menu "Machine selection"
>> 131
>> 132 choice
>> 133 prompt "System type"
>> 134 default MIPS_GENERIC_KERNEL
>> 135
>> 136 config MIPS_GENERIC_KERNEL
>> 137 bool "Generic board-agnostic MIPS kernel"
>> 138 select ARCH_HAS_SETUP_DMA_OPS
>> 139 select MIPS_GENERIC
>> 140 select BOOT_RAW
>> 141 select BUILTIN_DTB
>> 142 select CEVT_R4K
>> 143 select CLKSRC_MIPS_GIC
>> 144 select COMMON_CLK
>> 145 select CPU_MIPSR2_IRQ_EI
>> 146 select CPU_MIPSR2_IRQ_VI
>> 147 select CSRC_R4K
>> 148 select DMA_NONCOHERENT
>> 149 select HAVE_PCI
>> 150 select IRQ_MIPS_CPU
>> 151 select MIPS_AUTO_PFN_OFFSET
>> 152 select MIPS_CPU_SCACHE
>> 153 select MIPS_GIC
>> 154 select MIPS_L1_CACHE_SHIFT_7
>> 155 select NO_EXCEPT_FILL
>> 156 select PCI_DRIVERS_GENERIC
>> 157 select SMP_UP if SMP
>> 158 select SWAP_IO_SPACE
>> 159 select SYS_HAS_CPU_MIPS32_R1
>> 160 select SYS_HAS_CPU_MIPS32_R2
>> 161 select SYS_HAS_CPU_MIPS32_R6
>> 162 select SYS_HAS_CPU_MIPS64_R1
>> 163 select SYS_HAS_CPU_MIPS64_R2
>> 164 select SYS_HAS_CPU_MIPS64_R6
>> 165 select SYS_SUPPORTS_32BIT_KERNEL
>> 166 select SYS_SUPPORTS_64BIT_KERNEL
>> 167 select SYS_SUPPORTS_BIG_ENDIAN
>> 168 select SYS_SUPPORTS_HIGHMEM
>> 169 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 170 select SYS_SUPPORTS_MICROMIPS
>> 171 select SYS_SUPPORTS_MIPS16
>> 172 select SYS_SUPPORTS_MIPS_CPS
>> 173 select SYS_SUPPORTS_MULTITHREADING
>> 174 select SYS_SUPPORTS_RELOCATABLE
>> 175 select SYS_SUPPORTS_SMARTMIPS
>> 176 select SYS_SUPPORTS_ZBOOT
>> 177 select UHI_BOOT
>> 178 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 179 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 180 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 181 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 182 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 183 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 184 select USE_OF
>> 185 help
>> 186 Select this to build a kernel which aims to support multiple boards,
>> 187 generally using a flattened device tree passed from the bootloader
>> 188 using the boot protocol defined in the UHI (Unified Hosting
>> 189 Interface) specification.
>> 190
>> 191 config MIPS_ALCHEMY
>> 192 bool "Alchemy processor based machines"
>> 193 select PHYS_ADDR_T_64BIT
>> 194 select CEVT_R4K
>> 195 select CSRC_R4K
>> 196 select IRQ_MIPS_CPU
>> 197 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
>> 198 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
>> 199 select SYS_HAS_CPU_MIPS32_R1
>> 200 select SYS_SUPPORTS_32BIT_KERNEL
>> 201 select SYS_SUPPORTS_APM_EMULATION
>> 202 select GPIOLIB
>> 203 select SYS_SUPPORTS_ZBOOT
>> 204 select COMMON_CLK
>> 205
>> 206 config AR7
>> 207 bool "Texas Instruments AR7"
>> 208 select BOOT_ELF32
>> 209 select COMMON_CLK
>> 210 select DMA_NONCOHERENT
>> 211 select CEVT_R4K
>> 212 select CSRC_R4K
>> 213 select IRQ_MIPS_CPU
>> 214 select NO_EXCEPT_FILL
>> 215 select SWAP_IO_SPACE
>> 216 select SYS_HAS_CPU_MIPS32_R1
>> 217 select SYS_HAS_EARLY_PRINTK
>> 218 select SYS_SUPPORTS_32BIT_KERNEL
>> 219 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 220 select SYS_SUPPORTS_MIPS16
>> 221 select SYS_SUPPORTS_ZBOOT_UART16550
>> 222 select GPIOLIB
>> 223 select VLYNQ
>> 224 help
>> 225 Support for the Texas Instruments AR7 System-on-a-Chip
>> 226 family: TNETD7100, 7200 and 7300.
>> 227
>> 228 config ATH25
>> 229 bool "Atheros AR231x/AR531x SoC support"
>> 230 select CEVT_R4K
>> 231 select CSRC_R4K
>> 232 select DMA_NONCOHERENT
>> 233 select IRQ_MIPS_CPU
>> 234 select IRQ_DOMAIN
>> 235 select SYS_HAS_CPU_MIPS32_R1
>> 236 select SYS_SUPPORTS_BIG_ENDIAN
>> 237 select SYS_SUPPORTS_32BIT_KERNEL
>> 238 select SYS_HAS_EARLY_PRINTK
>> 239 help
>> 240 Support for Atheros AR231x and Atheros AR531x based boards
>> 241
>> 242 config ATH79
>> 243 bool "Atheros AR71XX/AR724X/AR913X based boards"
>> 244 select ARCH_HAS_RESET_CONTROLLER
>> 245 select BOOT_RAW
>> 246 select CEVT_R4K
>> 247 select CSRC_R4K
>> 248 select DMA_NONCOHERENT
>> 249 select GPIOLIB
>> 250 select PINCTRL
>> 251 select COMMON_CLK
>> 252 select IRQ_MIPS_CPU
>> 253 select SYS_HAS_CPU_MIPS32_R2
>> 254 select SYS_HAS_EARLY_PRINTK
>> 255 select SYS_SUPPORTS_32BIT_KERNEL
>> 256 select SYS_SUPPORTS_BIG_ENDIAN
>> 257 select SYS_SUPPORTS_MIPS16
>> 258 select SYS_SUPPORTS_ZBOOT_UART_PROM
>> 259 select USE_OF
>> 260 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
>> 261 help
>> 262 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
>> 263
>> 264 config BMIPS_GENERIC
>> 265 bool "Broadcom Generic BMIPS kernel"
>> 266 select ARCH_HAS_RESET_CONTROLLER
>> 267 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 268 select BOOT_RAW
>> 269 select NO_EXCEPT_FILL
>> 270 select USE_OF
>> 271 select CEVT_R4K
>> 272 select CSRC_R4K
>> 273 select SYNC_R4K
>> 274 select COMMON_CLK
>> 275 select BCM6345_L1_IRQ
>> 276 select BCM7038_L1_IRQ
>> 277 select BCM7120_L2_IRQ
>> 278 select BRCMSTB_L2_IRQ
>> 279 select IRQ_MIPS_CPU
>> 280 select DMA_NONCOHERENT
>> 281 select SYS_SUPPORTS_32BIT_KERNEL
>> 282 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 283 select SYS_SUPPORTS_BIG_ENDIAN
>> 284 select SYS_SUPPORTS_HIGHMEM
>> 285 select SYS_HAS_CPU_BMIPS32_3300
>> 286 select SYS_HAS_CPU_BMIPS4350
>> 287 select SYS_HAS_CPU_BMIPS4380
>> 288 select SYS_HAS_CPU_BMIPS5000
>> 289 select SWAP_IO_SPACE
>> 290 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 291 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 292 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 293 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 294 select HARDIRQS_SW_RESEND
>> 295 select HAVE_PCI
>> 296 select PCI_DRIVERS_GENERIC
>> 297 help
>> 298 Build a generic DT-based kernel image that boots on select
>> 299 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
>> 300 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
>> 301 must be set appropriately for your board.
>> 302
>> 303 config BCM47XX
>> 304 bool "Broadcom BCM47XX based boards"
>> 305 select BOOT_RAW
>> 306 select CEVT_R4K
>> 307 select CSRC_R4K
>> 308 select DMA_NONCOHERENT
>> 309 select HAVE_PCI
>> 310 select IRQ_MIPS_CPU
>> 311 select SYS_HAS_CPU_MIPS32_R1
>> 312 select NO_EXCEPT_FILL
>> 313 select SYS_SUPPORTS_32BIT_KERNEL
>> 314 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 315 select SYS_SUPPORTS_MIPS16
>> 316 select SYS_SUPPORTS_ZBOOT
>> 317 select SYS_HAS_EARLY_PRINTK
>> 318 select USE_GENERIC_EARLY_PRINTK_8250
>> 319 select GPIOLIB
>> 320 select LEDS_GPIO_REGISTER
>> 321 select BCM47XX_NVRAM
>> 322 select BCM47XX_SPROM
>> 323 select BCM47XX_SSB if !BCM47XX_BCMA
>> 324 help
>> 325 Support for BCM47XX based boards
>> 326
>> 327 config BCM63XX
>> 328 bool "Broadcom BCM63XX based boards"
>> 329 select BOOT_RAW
>> 330 select CEVT_R4K
>> 331 select CSRC_R4K
>> 332 select SYNC_R4K
>> 333 select DMA_NONCOHERENT
>> 334 select IRQ_MIPS_CPU
>> 335 select SYS_SUPPORTS_32BIT_KERNEL
>> 336 select SYS_SUPPORTS_BIG_ENDIAN
>> 337 select SYS_HAS_EARLY_PRINTK
>> 338 select SYS_HAS_CPU_BMIPS32_3300
>> 339 select SYS_HAS_CPU_BMIPS4350
>> 340 select SYS_HAS_CPU_BMIPS4380
>> 341 select SWAP_IO_SPACE
>> 342 select GPIOLIB
>> 343 select MIPS_L1_CACHE_SHIFT_4
>> 344 select HAVE_LEGACY_CLK
>> 345 help
>> 346 Support for BCM63XX based boards
>> 347
>> 348 config MIPS_COBALT
>> 349 bool "Cobalt Server"
>> 350 select CEVT_R4K
>> 351 select CSRC_R4K
>> 352 select CEVT_GT641XX
>> 353 select DMA_NONCOHERENT
>> 354 select FORCE_PCI
>> 355 select I8253
>> 356 select I8259
>> 357 select IRQ_MIPS_CPU
>> 358 select IRQ_GT641XX
>> 359 select PCI_GT64XXX_PCI0
>> 360 select SYS_HAS_CPU_NEVADA
>> 361 select SYS_HAS_EARLY_PRINTK
>> 362 select SYS_SUPPORTS_32BIT_KERNEL
>> 363 select SYS_SUPPORTS_64BIT_KERNEL
>> 364 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 365 select USE_GENERIC_EARLY_PRINTK_8250
>> 366
>> 367 config MACH_DECSTATION
>> 368 bool "DECstations"
>> 369 select BOOT_ELF32
>> 370 select CEVT_DS1287
>> 371 select CEVT_R4K if CPU_R4X00
>> 372 select CSRC_IOASIC
>> 373 select CSRC_R4K if CPU_R4X00
>> 374 select CPU_DADDI_WORKAROUNDS if 64BIT
>> 375 select CPU_R4000_WORKAROUNDS if 64BIT
>> 376 select CPU_R4400_WORKAROUNDS if 64BIT
>> 377 select DMA_NONCOHERENT
>> 378 select NO_IOPORT_MAP
>> 379 select IRQ_MIPS_CPU
>> 380 select SYS_HAS_CPU_R3000
>> 381 select SYS_HAS_CPU_R4X00
>> 382 select SYS_SUPPORTS_32BIT_KERNEL
>> 383 select SYS_SUPPORTS_64BIT_KERNEL
>> 384 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 385 select SYS_SUPPORTS_128HZ
>> 386 select SYS_SUPPORTS_256HZ
>> 387 select SYS_SUPPORTS_1024HZ
>> 388 select MIPS_L1_CACHE_SHIFT_4
>> 389 help
>> 390 This enables support for DEC's MIPS based workstations. For details
>> 391 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
>> 392 DECstation porting pages on <http://decstation.unix-ag.org/>.
>> 393
>> 394 If you have one of the following DECstation Models you definitely
>> 395 want to choose R4xx0 for the CPU Type:
>> 396
>> 397 DECstation 5000/50
>> 398 DECstation 5000/150
>> 399 DECstation 5000/260
>> 400 DECsystem 5900/260
>> 401
>> 402 otherwise choose R3000.
>> 403
>> 404 config MACH_JAZZ
>> 405 bool "Jazz family of machines"
>> 406 select ARC_MEMORY
>> 407 select ARC_PROMLIB
>> 408 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 409 select ARCH_MIGHT_HAVE_PC_SERIO
>> 410 select DMA_OPS
>> 411 select FW_ARC
>> 412 select FW_ARC32
>> 413 select ARCH_MAY_HAVE_PC_FDC
>> 414 select CEVT_R4K
>> 415 select CSRC_R4K
>> 416 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 417 select GENERIC_ISA_DMA
>> 418 select HAVE_PCSPKR_PLATFORM
>> 419 select IRQ_MIPS_CPU
>> 420 select I8253
>> 421 select I8259
>> 422 select ISA
>> 423 select SYS_HAS_CPU_R4X00
>> 424 select SYS_SUPPORTS_32BIT_KERNEL
>> 425 select SYS_SUPPORTS_64BIT_KERNEL
>> 426 select SYS_SUPPORTS_100HZ
>> 427 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 428 help
>> 429 This a family of machines based on the MIPS R4030 chipset which was
>> 430 used by several vendors to build RISC/os and Windows NT workstations.
>> 431 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
>> 432 Olivetti M700-10 workstations.
>> 433
>> 434 config MACH_INGENIC_SOC
>> 435 bool "Ingenic SoC based machines"
>> 436 select MIPS_GENERIC
>> 437 select MACH_INGENIC
>> 438 select SYS_SUPPORTS_ZBOOT_UART16550
>> 439 select CPU_SUPPORTS_CPUFREQ
>> 440 select MIPS_EXTERNAL_TIMER
>> 441
>> 442 config LANTIQ
>> 443 bool "Lantiq based platforms"
>> 444 select DMA_NONCOHERENT
>> 445 select IRQ_MIPS_CPU
>> 446 select CEVT_R4K
>> 447 select CSRC_R4K
>> 448 select SYS_HAS_CPU_MIPS32_R1
>> 449 select SYS_HAS_CPU_MIPS32_R2
>> 450 select SYS_SUPPORTS_BIG_ENDIAN
>> 451 select SYS_SUPPORTS_32BIT_KERNEL
>> 452 select SYS_SUPPORTS_MIPS16
>> 453 select SYS_SUPPORTS_MULTITHREADING
>> 454 select SYS_SUPPORTS_VPE_LOADER
>> 455 select SYS_HAS_EARLY_PRINTK
>> 456 select GPIOLIB
>> 457 select SWAP_IO_SPACE
>> 458 select BOOT_RAW
>> 459 select HAVE_LEGACY_CLK
>> 460 select USE_OF
>> 461 select PINCTRL
>> 462 select PINCTRL_LANTIQ
>> 463 select ARCH_HAS_RESET_CONTROLLER
>> 464 select RESET_CONTROLLER
>> 465
>> 466 config MACH_LOONGSON32
>> 467 bool "Loongson 32-bit family of machines"
>> 468 select SYS_SUPPORTS_ZBOOT
>> 469 help
>> 470 This enables support for the Loongson-1 family of machines.
>> 471
>> 472 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
>> 473 the Institute of Computing Technology (ICT), Chinese Academy of
>> 474 Sciences (CAS).
>> 475
>> 476 config MACH_LOONGSON2EF
>> 477 bool "Loongson-2E/F family of machines"
>> 478 select SYS_SUPPORTS_ZBOOT
>> 479 help
>> 480 This enables the support of early Loongson-2E/F family of machines.
>> 481
>> 482 config MACH_LOONGSON64
>> 483 bool "Loongson 64-bit family of machines"
>> 484 select ARCH_SPARSEMEM_ENABLE
>> 485 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 486 select ARCH_MIGHT_HAVE_PC_SERIO
>> 487 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 488 select BOOT_ELF32
>> 489 select BOARD_SCACHE
>> 490 select CSRC_R4K
>> 491 select CEVT_R4K
>> 492 select CPU_HAS_WB
>> 493 select FORCE_PCI
>> 494 select ISA
>> 495 select I8259
>> 496 select IRQ_MIPS_CPU
>> 497 select NO_EXCEPT_FILL
>> 498 select NR_CPUS_DEFAULT_64
>> 499 select USE_GENERIC_EARLY_PRINTK_8250
>> 500 select PCI_DRIVERS_GENERIC
>> 501 select SYS_HAS_CPU_LOONGSON64
>> 502 select SYS_HAS_EARLY_PRINTK
>> 503 select SYS_SUPPORTS_SMP
>> 504 select SYS_SUPPORTS_HOTPLUG_CPU
>> 505 select SYS_SUPPORTS_NUMA
>> 506 select SYS_SUPPORTS_64BIT_KERNEL
>> 507 select SYS_SUPPORTS_HIGHMEM
>> 508 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 509 select SYS_SUPPORTS_ZBOOT
>> 510 select SYS_SUPPORTS_RELOCATABLE
>> 511 select ZONE_DMA32
>> 512 select COMMON_CLK
>> 513 select USE_OF
>> 514 select BUILTIN_DTB
>> 515 select PCI_HOST_GENERIC
>> 516 select HAVE_ARCH_NODEDATA_EXTENSION if NUMA
>> 517 help
>> 518 This enables the support of Loongson-2/3 family of machines.
>> 519
>> 520 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
>> 521 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
>> 522 and Loongson-2F which will be removed), developed by the Institute
>> 523 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
>> 524
>> 525 config MIPS_MALTA
>> 526 bool "MIPS Malta board"
>> 527 select ARCH_MAY_HAVE_PC_FDC
>> 528 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 529 select ARCH_MIGHT_HAVE_PC_SERIO
>> 530 select BOOT_ELF32
>> 531 select BOOT_RAW
>> 532 select BUILTIN_DTB
>> 533 select CEVT_R4K
>> 534 select CLKSRC_MIPS_GIC
>> 535 select COMMON_CLK
>> 536 select CSRC_R4K
>> 537 select DMA_NONCOHERENT
>> 538 select GENERIC_ISA_DMA
>> 539 select HAVE_PCSPKR_PLATFORM
>> 540 select HAVE_PCI
>> 541 select I8253
>> 542 select I8259
>> 543 select IRQ_MIPS_CPU
>> 544 select MIPS_BONITO64
>> 545 select MIPS_CPU_SCACHE
>> 546 select MIPS_GIC
>> 547 select MIPS_L1_CACHE_SHIFT_6
>> 548 select MIPS_MSC
>> 549 select PCI_GT64XXX_PCI0
>> 550 select SMP_UP if SMP
>> 551 select SWAP_IO_SPACE
>> 552 select SYS_HAS_CPU_MIPS32_R1
>> 553 select SYS_HAS_CPU_MIPS32_R2
>> 554 select SYS_HAS_CPU_MIPS32_R3_5
>> 555 select SYS_HAS_CPU_MIPS32_R5
>> 556 select SYS_HAS_CPU_MIPS32_R6
>> 557 select SYS_HAS_CPU_MIPS64_R1
>> 558 select SYS_HAS_CPU_MIPS64_R2
>> 559 select SYS_HAS_CPU_MIPS64_R6
>> 560 select SYS_HAS_CPU_NEVADA
>> 561 select SYS_HAS_CPU_RM7000
>> 562 select SYS_SUPPORTS_32BIT_KERNEL
>> 563 select SYS_SUPPORTS_64BIT_KERNEL
>> 564 select SYS_SUPPORTS_BIG_ENDIAN
>> 565 select SYS_SUPPORTS_HIGHMEM
>> 566 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 567 select SYS_SUPPORTS_MICROMIPS
>> 568 select SYS_SUPPORTS_MIPS16
>> 569 select SYS_SUPPORTS_MIPS_CMP
>> 570 select SYS_SUPPORTS_MIPS_CPS
>> 571 select SYS_SUPPORTS_MULTITHREADING
>> 572 select SYS_SUPPORTS_RELOCATABLE
>> 573 select SYS_SUPPORTS_SMARTMIPS
>> 574 select SYS_SUPPORTS_VPE_LOADER
>> 575 select SYS_SUPPORTS_ZBOOT
>> 576 select USE_OF
>> 577 select WAR_ICACHE_REFILLS
>> 578 select ZONE_DMA32 if 64BIT
>> 579 help
>> 580 This enables support for the MIPS Technologies Malta evaluation
>> 581 board.
>> 582
>> 583 config MACH_PIC32
>> 584 bool "Microchip PIC32 Family"
>> 585 help
>> 586 This enables support for the Microchip PIC32 family of platforms.
>> 587
>> 588 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
>> 589 microcontrollers.
>> 590
>> 591 config MACH_VR41XX
>> 592 bool "NEC VR4100 series based machines"
>> 593 select CEVT_R4K
>> 594 select CSRC_R4K
>> 595 select SYS_HAS_CPU_VR41XX
>> 596 select SYS_SUPPORTS_MIPS16
>> 597 select GPIOLIB
>> 598
>> 599 config MACH_NINTENDO64
>> 600 bool "Nintendo 64 console"
>> 601 select CEVT_R4K
>> 602 select CSRC_R4K
>> 603 select SYS_HAS_CPU_R4300
>> 604 select SYS_SUPPORTS_BIG_ENDIAN
>> 605 select SYS_SUPPORTS_ZBOOT
>> 606 select SYS_SUPPORTS_32BIT_KERNEL
>> 607 select SYS_SUPPORTS_64BIT_KERNEL
>> 608 select DMA_NONCOHERENT
>> 609 select IRQ_MIPS_CPU
>> 610
>> 611 config RALINK
>> 612 bool "Ralink based machines"
>> 613 select CEVT_R4K
>> 614 select COMMON_CLK
>> 615 select CSRC_R4K
>> 616 select BOOT_RAW
>> 617 select DMA_NONCOHERENT
>> 618 select IRQ_MIPS_CPU
>> 619 select USE_OF
>> 620 select SYS_HAS_CPU_MIPS32_R1
>> 621 select SYS_HAS_CPU_MIPS32_R2
>> 622 select SYS_SUPPORTS_32BIT_KERNEL
>> 623 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 624 select SYS_SUPPORTS_MIPS16
>> 625 select SYS_SUPPORTS_ZBOOT
>> 626 select SYS_HAS_EARLY_PRINTK
>> 627 select ARCH_HAS_RESET_CONTROLLER
>> 628 select RESET_CONTROLLER
>> 629
>> 630 config MACH_REALTEK_RTL
>> 631 bool "Realtek RTL838x/RTL839x based machines"
>> 632 select MIPS_GENERIC
>> 633 select DMA_NONCOHERENT
>> 634 select IRQ_MIPS_CPU
>> 635 select CSRC_R4K
>> 636 select CEVT_R4K
>> 637 select SYS_HAS_CPU_MIPS32_R1
>> 638 select SYS_HAS_CPU_MIPS32_R2
>> 639 select SYS_SUPPORTS_BIG_ENDIAN
>> 640 select SYS_SUPPORTS_32BIT_KERNEL
>> 641 select SYS_SUPPORTS_MIPS16
>> 642 select SYS_SUPPORTS_MULTITHREADING
>> 643 select SYS_SUPPORTS_VPE_LOADER
>> 644 select BOOT_RAW
>> 645 select PINCTRL
>> 646 select USE_OF
>> 647
>> 648 config SGI_IP22
>> 649 bool "SGI IP22 (Indy/Indigo2)"
>> 650 select ARC_MEMORY
>> 651 select ARC_PROMLIB
>> 652 select FW_ARC
>> 653 select FW_ARC32
>> 654 select ARCH_MIGHT_HAVE_PC_SERIO
>> 655 select BOOT_ELF32
>> 656 select CEVT_R4K
>> 657 select CSRC_R4K
>> 658 select DEFAULT_SGI_PARTITION
>> 659 select DMA_NONCOHERENT
>> 660 select HAVE_EISA
>> 661 select I8253
>> 662 select I8259
>> 663 select IP22_CPU_SCACHE
>> 664 select IRQ_MIPS_CPU
>> 665 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 666 select SGI_HAS_I8042
>> 667 select SGI_HAS_INDYDOG
>> 668 select SGI_HAS_HAL2
>> 669 select SGI_HAS_SEEQ
>> 670 select SGI_HAS_WD93
>> 671 select SGI_HAS_ZILOG
>> 672 select SWAP_IO_SPACE
>> 673 select SYS_HAS_CPU_R4X00
>> 674 select SYS_HAS_CPU_R5000
>> 675 select SYS_HAS_EARLY_PRINTK
>> 676 select SYS_SUPPORTS_32BIT_KERNEL
>> 677 select SYS_SUPPORTS_64BIT_KERNEL
>> 678 select SYS_SUPPORTS_BIG_ENDIAN
>> 679 select WAR_R4600_V1_INDEX_ICACHEOP
>> 680 select WAR_R4600_V1_HIT_CACHEOP
>> 681 select WAR_R4600_V2_HIT_CACHEOP
>> 682 select MIPS_L1_CACHE_SHIFT_7
>> 683 help
>> 684 This are the SGI Indy, Challenge S and Indigo2, as well as certain
>> 685 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
>> 686 that runs on these, say Y here.
>> 687
>> 688 config SGI_IP27
>> 689 bool "SGI IP27 (Origin200/2000)"
>> 690 select ARCH_HAS_PHYS_TO_DMA
>> 691 select ARCH_SPARSEMEM_ENABLE
>> 692 select FW_ARC
>> 693 select FW_ARC64
>> 694 select ARC_CMDLINE_ONLY
>> 695 select BOOT_ELF64
>> 696 select DEFAULT_SGI_PARTITION
>> 697 select FORCE_PCI
>> 698 select SYS_HAS_EARLY_PRINTK
>> 699 select HAVE_PCI
>> 700 select IRQ_MIPS_CPU
>> 701 select IRQ_DOMAIN_HIERARCHY
>> 702 select NR_CPUS_DEFAULT_64
>> 703 select PCI_DRIVERS_GENERIC
>> 704 select PCI_XTALK_BRIDGE
>> 705 select SYS_HAS_CPU_R10000
>> 706 select SYS_SUPPORTS_64BIT_KERNEL
>> 707 select SYS_SUPPORTS_BIG_ENDIAN
>> 708 select SYS_SUPPORTS_NUMA
>> 709 select SYS_SUPPORTS_SMP
>> 710 select WAR_R10000_LLSC
>> 711 select MIPS_L1_CACHE_SHIFT_7
>> 712 select NUMA
>> 713 select HAVE_ARCH_NODEDATA_EXTENSION
>> 714 help
>> 715 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
>> 716 workstations. To compile a Linux kernel that runs on these, say Y
>> 717 here.
>> 718
>> 719 config SGI_IP28
>> 720 bool "SGI IP28 (Indigo2 R10k)"
>> 721 select ARC_MEMORY
>> 722 select ARC_PROMLIB
>> 723 select FW_ARC
>> 724 select FW_ARC64
>> 725 select ARCH_MIGHT_HAVE_PC_SERIO
>> 726 select BOOT_ELF64
>> 727 select CEVT_R4K
>> 728 select CSRC_R4K
>> 729 select DEFAULT_SGI_PARTITION
>> 730 select DMA_NONCOHERENT
>> 731 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 732 select IRQ_MIPS_CPU
>> 733 select HAVE_EISA
>> 734 select I8253
>> 735 select I8259
>> 736 select SGI_HAS_I8042
>> 737 select SGI_HAS_INDYDOG
>> 738 select SGI_HAS_HAL2
>> 739 select SGI_HAS_SEEQ
>> 740 select SGI_HAS_WD93
>> 741 select SGI_HAS_ZILOG
>> 742 select SWAP_IO_SPACE
>> 743 select SYS_HAS_CPU_R10000
>> 744 select SYS_HAS_EARLY_PRINTK
>> 745 select SYS_SUPPORTS_64BIT_KERNEL
>> 746 select SYS_SUPPORTS_BIG_ENDIAN
>> 747 select WAR_R10000_LLSC
>> 748 select MIPS_L1_CACHE_SHIFT_7
>> 749 help
>> 750 This is the SGI Indigo2 with R10000 processor. To compile a Linux
>> 751 kernel that runs on these, say Y here.
>> 752
>> 753 config SGI_IP30
>> 754 bool "SGI IP30 (Octane/Octane2)"
>> 755 select ARCH_HAS_PHYS_TO_DMA
>> 756 select FW_ARC
>> 757 select FW_ARC64
>> 758 select BOOT_ELF64
>> 759 select CEVT_R4K
>> 760 select CSRC_R4K
>> 761 select FORCE_PCI
>> 762 select SYNC_R4K if SMP
>> 763 select ZONE_DMA32
>> 764 select HAVE_PCI
>> 765 select IRQ_MIPS_CPU
>> 766 select IRQ_DOMAIN_HIERARCHY
>> 767 select PCI_DRIVERS_GENERIC
>> 768 select PCI_XTALK_BRIDGE
>> 769 select SYS_HAS_EARLY_PRINTK
>> 770 select SYS_HAS_CPU_R10000
>> 771 select SYS_SUPPORTS_64BIT_KERNEL
>> 772 select SYS_SUPPORTS_BIG_ENDIAN
>> 773 select SYS_SUPPORTS_SMP
>> 774 select WAR_R10000_LLSC
>> 775 select MIPS_L1_CACHE_SHIFT_7
>> 776 select ARC_MEMORY
>> 777 help
>> 778 These are the SGI Octane and Octane2 graphics workstations. To
>> 779 compile a Linux kernel that runs on these, say Y here.
>> 780
>> 781 config SGI_IP32
>> 782 bool "SGI IP32 (O2)"
>> 783 select ARC_MEMORY
>> 784 select ARC_PROMLIB
>> 785 select ARCH_HAS_PHYS_TO_DMA
>> 786 select FW_ARC
>> 787 select FW_ARC32
>> 788 select BOOT_ELF32
>> 789 select CEVT_R4K
>> 790 select CSRC_R4K
>> 791 select DMA_NONCOHERENT
>> 792 select HAVE_PCI
>> 793 select IRQ_MIPS_CPU
>> 794 select R5000_CPU_SCACHE
>> 795 select RM7000_CPU_SCACHE
>> 796 select SYS_HAS_CPU_R5000
>> 797 select SYS_HAS_CPU_R10000 if BROKEN
>> 798 select SYS_HAS_CPU_RM7000
>> 799 select SYS_HAS_CPU_NEVADA
>> 800 select SYS_SUPPORTS_64BIT_KERNEL
>> 801 select SYS_SUPPORTS_BIG_ENDIAN
>> 802 select WAR_ICACHE_REFILLS
>> 803 help
>> 804 If you want this kernel to run on SGI O2 workstation, say Y here.
>> 805
>> 806 config SIBYTE_CRHINE
>> 807 bool "Sibyte BCM91120C-CRhine"
>> 808 select BOOT_ELF32
>> 809 select SIBYTE_BCM1120
>> 810 select SWAP_IO_SPACE
>> 811 select SYS_HAS_CPU_SB1
>> 812 select SYS_SUPPORTS_BIG_ENDIAN
>> 813 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 814
>> 815 config SIBYTE_CARMEL
>> 816 bool "Sibyte BCM91120x-Carmel"
>> 817 select BOOT_ELF32
>> 818 select SIBYTE_BCM1120
>> 819 select SWAP_IO_SPACE
>> 820 select SYS_HAS_CPU_SB1
>> 821 select SYS_SUPPORTS_BIG_ENDIAN
>> 822 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 823
>> 824 config SIBYTE_CRHONE
>> 825 bool "Sibyte BCM91125C-CRhone"
>> 826 select BOOT_ELF32
>> 827 select SIBYTE_BCM1125
>> 828 select SWAP_IO_SPACE
>> 829 select SYS_HAS_CPU_SB1
>> 830 select SYS_SUPPORTS_BIG_ENDIAN
>> 831 select SYS_SUPPORTS_HIGHMEM
>> 832 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 833
>> 834 config SIBYTE_RHONE
>> 835 bool "Sibyte BCM91125E-Rhone"
>> 836 select BOOT_ELF32
>> 837 select SIBYTE_BCM1125H
>> 838 select SWAP_IO_SPACE
>> 839 select SYS_HAS_CPU_SB1
>> 840 select SYS_SUPPORTS_BIG_ENDIAN
>> 841 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 842
>> 843 config SIBYTE_SWARM
>> 844 bool "Sibyte BCM91250A-SWARM"
>> 845 select BOOT_ELF32
>> 846 select HAVE_PATA_PLATFORM
>> 847 select SIBYTE_SB1250
>> 848 select SWAP_IO_SPACE
>> 849 select SYS_HAS_CPU_SB1
>> 850 select SYS_SUPPORTS_BIG_ENDIAN
>> 851 select SYS_SUPPORTS_HIGHMEM
>> 852 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 853 select ZONE_DMA32 if 64BIT
>> 854 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 855
>> 856 config SIBYTE_LITTLESUR
>> 857 bool "Sibyte BCM91250C2-LittleSur"
>> 858 select BOOT_ELF32
>> 859 select HAVE_PATA_PLATFORM
>> 860 select SIBYTE_SB1250
>> 861 select SWAP_IO_SPACE
>> 862 select SYS_HAS_CPU_SB1
>> 863 select SYS_SUPPORTS_BIG_ENDIAN
>> 864 select SYS_SUPPORTS_HIGHMEM
>> 865 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 866 select ZONE_DMA32 if 64BIT
>> 867
>> 868 config SIBYTE_SENTOSA
>> 869 bool "Sibyte BCM91250E-Sentosa"
>> 870 select BOOT_ELF32
>> 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_LITTLE_ENDIAN
>> 876 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 877
>> 878 config SIBYTE_BIGSUR
>> 879 bool "Sibyte BCM91480B-BigSur"
>> 880 select BOOT_ELF32
>> 881 select NR_CPUS_DEFAULT_4
>> 882 select SIBYTE_BCM1x80
>> 883 select SWAP_IO_SPACE
>> 884 select SYS_HAS_CPU_SB1
>> 885 select SYS_SUPPORTS_BIG_ENDIAN
>> 886 select SYS_SUPPORTS_HIGHMEM
>> 887 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 888 select ZONE_DMA32 if 64BIT
>> 889 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 890
>> 891 config SNI_RM
>> 892 bool "SNI RM200/300/400"
>> 893 select ARC_MEMORY
>> 894 select ARC_PROMLIB
>> 895 select FW_ARC if CPU_LITTLE_ENDIAN
>> 896 select FW_ARC32 if CPU_LITTLE_ENDIAN
>> 897 select FW_SNIPROM if CPU_BIG_ENDIAN
>> 898 select ARCH_MAY_HAVE_PC_FDC
>> 899 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 900 select ARCH_MIGHT_HAVE_PC_SERIO
>> 901 select BOOT_ELF32
>> 902 select CEVT_R4K
>> 903 select CSRC_R4K
>> 904 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 905 select DMA_NONCOHERENT
>> 906 select GENERIC_ISA_DMA
>> 907 select HAVE_EISA
>> 908 select HAVE_PCSPKR_PLATFORM
>> 909 select HAVE_PCI
>> 910 select IRQ_MIPS_CPU
>> 911 select I8253
>> 912 select I8259
>> 913 select ISA
>> 914 select MIPS_L1_CACHE_SHIFT_6
>> 915 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
>> 916 select SYS_HAS_CPU_R4X00
>> 917 select SYS_HAS_CPU_R5000
>> 918 select SYS_HAS_CPU_R10000
>> 919 select R5000_CPU_SCACHE
>> 920 select SYS_HAS_EARLY_PRINTK
>> 921 select SYS_SUPPORTS_32BIT_KERNEL
>> 922 select SYS_SUPPORTS_64BIT_KERNEL
>> 923 select SYS_SUPPORTS_BIG_ENDIAN
>> 924 select SYS_SUPPORTS_HIGHMEM
>> 925 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 926 select WAR_R4600_V2_HIT_CACHEOP
>> 927 help
>> 928 The SNI RM200/300/400 are MIPS-based machines manufactured by
>> 929 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
>> 930 Technology and now in turn merged with Fujitsu. Say Y here to
>> 931 support this machine type.
>> 932
>> 933 config MACH_TX49XX
>> 934 bool "Toshiba TX49 series based machines"
>> 935 select WAR_TX49XX_ICACHE_INDEX_INV
>> 936
>> 937 config MIKROTIK_RB532
>> 938 bool "Mikrotik RB532 boards"
>> 939 select CEVT_R4K
>> 940 select CSRC_R4K
>> 941 select DMA_NONCOHERENT
>> 942 select HAVE_PCI
>> 943 select IRQ_MIPS_CPU
>> 944 select SYS_HAS_CPU_MIPS32_R1
>> 945 select SYS_SUPPORTS_32BIT_KERNEL
>> 946 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 947 select SWAP_IO_SPACE
>> 948 select BOOT_RAW
>> 949 select GPIOLIB
>> 950 select MIPS_L1_CACHE_SHIFT_4
>> 951 help
>> 952 Support the Mikrotik(tm) RouterBoard 532 series,
>> 953 based on the IDT RC32434 SoC.
>> 954
>> 955 config CAVIUM_OCTEON_SOC
>> 956 bool "Cavium Networks Octeon SoC based boards"
>> 957 select CEVT_R4K
>> 958 select ARCH_HAS_PHYS_TO_DMA
>> 959 select HAVE_RAPIDIO
>> 960 select PHYS_ADDR_T_64BIT
>> 961 select SYS_SUPPORTS_64BIT_KERNEL
>> 962 select SYS_SUPPORTS_BIG_ENDIAN
>> 963 select EDAC_SUPPORT
>> 964 select EDAC_ATOMIC_SCRUB
>> 965 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 966 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
>> 967 select SYS_HAS_EARLY_PRINTK
>> 968 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 969 select HAVE_PCI
>> 970 select HAVE_PLAT_DELAY
>> 971 select HAVE_PLAT_FW_INIT_CMDLINE
>> 972 select HAVE_PLAT_MEMCPY
>> 973 select ZONE_DMA32
>> 974 select GPIOLIB
>> 975 select USE_OF
>> 976 select ARCH_SPARSEMEM_ENABLE
>> 977 select SYS_SUPPORTS_SMP
>> 978 select NR_CPUS_DEFAULT_64
>> 979 select MIPS_NR_CPU_NR_MAP_1024
>> 980 select BUILTIN_DTB
>> 981 select MTD
>> 982 select MTD_COMPLEX_MAPPINGS
>> 983 select SWIOTLB
>> 984 select SYS_SUPPORTS_RELOCATABLE
>> 985 help
>> 986 This option supports all of the Octeon reference boards from Cavium
>> 987 Networks. It builds a kernel that dynamically determines the Octeon
>> 988 CPU type and supports all known board reference implementations.
>> 989 Some of the supported boards are:
>> 990 EBT3000
>> 991 EBH3000
>> 992 EBH3100
>> 993 Thunder
>> 994 Kodama
>> 995 Hikari
>> 996 Say Y here for most Octeon reference boards.
>> 997
>> 998 endchoice
319 999
320 config PPC_BARRIER_NOSPEC !! 1000 source "arch/mips/alchemy/Kconfig"
>> 1001 source "arch/mips/ath25/Kconfig"
>> 1002 source "arch/mips/ath79/Kconfig"
>> 1003 source "arch/mips/bcm47xx/Kconfig"
>> 1004 source "arch/mips/bcm63xx/Kconfig"
>> 1005 source "arch/mips/bmips/Kconfig"
>> 1006 source "arch/mips/generic/Kconfig"
>> 1007 source "arch/mips/ingenic/Kconfig"
>> 1008 source "arch/mips/jazz/Kconfig"
>> 1009 source "arch/mips/lantiq/Kconfig"
>> 1010 source "arch/mips/pic32/Kconfig"
>> 1011 source "arch/mips/ralink/Kconfig"
>> 1012 source "arch/mips/sgi-ip27/Kconfig"
>> 1013 source "arch/mips/sibyte/Kconfig"
>> 1014 source "arch/mips/txx9/Kconfig"
>> 1015 source "arch/mips/vr41xx/Kconfig"
>> 1016 source "arch/mips/cavium-octeon/Kconfig"
>> 1017 source "arch/mips/loongson2ef/Kconfig"
>> 1018 source "arch/mips/loongson32/Kconfig"
>> 1019 source "arch/mips/loongson64/Kconfig"
>> 1020
>> 1021 endmenu
>> 1022
>> 1023 config GENERIC_HWEIGHT
321 bool 1024 bool
322 default y 1025 default y
323 depends on PPC_BOOK3S_64 || PPC_E500 <<
324 1026
325 config PPC_HAS_LBARX_LHARX !! 1027 config GENERIC_CALIBRATE_DELAY
326 bool 1028 bool
>> 1029 default y
327 1030
328 config EARLY_PRINTK !! 1031 config SCHED_OMIT_FRAME_POINTER
329 bool 1032 bool
330 default y 1033 default y
331 1034
332 config PANIC_TIMEOUT !! 1035 #
333 int !! 1036 # Select some configuration options automatically based on user selections.
334 default 180 !! 1037 #
>> 1038 config FW_ARC
>> 1039 bool
335 1040
336 config COMPAT !! 1041 config ARCH_MAY_HAVE_PC_FDC
337 bool "Enable support for 32bit binarie !! 1042 bool
338 depends on PPC64 <<
339 default y if !CPU_LITTLE_ENDIAN <<
340 select ARCH_WANT_OLD_COMPAT_IPC <<
341 select COMPAT_OLD_SIGACTION <<
342 1043
343 config SCHED_OMIT_FRAME_POINTER !! 1044 config BOOT_RAW
344 bool 1045 bool
345 default y <<
346 1046
347 config ARCH_MAY_HAVE_PC_FDC !! 1047 config CEVT_BCM1480
348 bool 1048 bool
349 default PCI <<
350 1049
351 config PPC_UDBG_16550 !! 1050 config CEVT_DS1287
352 bool 1051 bool
353 1052
354 config GENERIC_TBSYNC !! 1053 config CEVT_GT641XX
355 bool 1054 bool
356 default y if PPC32 && SMP <<
357 1055
358 config AUDIT_ARCH !! 1056 config CEVT_R4K
359 bool 1057 bool
360 default y <<
361 1058
362 config GENERIC_BUG !! 1059 config CEVT_SB1250
363 bool 1060 bool
364 default y <<
365 depends on BUG <<
366 1061
367 config GENERIC_BUG_RELATIVE_POINTERS !! 1062 config CEVT_TXX9
368 def_bool y !! 1063 bool
369 depends on GENERIC_BUG <<
370 1064
371 config SYS_SUPPORTS_APM_EMULATION !! 1065 config CSRC_BCM1480
372 default y if PMAC_APM_EMU <<
373 bool 1066 bool
374 1067
375 config EPAPR_BOOT !! 1068 config CSRC_IOASIC
376 bool 1069 bool
377 help <<
378 Used to allow a board to specify it <<
379 1070
380 config DEFAULT_UIMAGE !! 1071 config CSRC_R4K
>> 1072 select CLOCKSOURCE_WATCHDOG if CPU_FREQ
381 bool 1073 bool
382 help <<
383 Used to allow a board to specify it <<
384 1074
385 config ARCH_HIBERNATION_POSSIBLE !! 1075 config CSRC_SB1250
386 bool 1076 bool
387 default y <<
388 1077
389 config ARCH_SUSPEND_POSSIBLE !! 1078 config MIPS_CLOCK_VSYSCALL
390 def_bool y !! 1079 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
391 depends on ADB_PMU || PPC_EFIKA || PPC <<
392 (PPC_85xx && !PPC_E500MC) | <<
393 || 44x <<
394 1080
395 config ARCH_SUSPEND_NONZERO_CPU !! 1081 config GPIO_TXX9
396 def_bool y !! 1082 select GPIOLIB
397 depends on PPC_POWERNV || PPC_PSERIES !! 1083 bool
398 1084
399 config ARCH_HAS_ADD_PAGES !! 1085 config FW_CFE
400 def_bool y !! 1086 bool
401 depends on ARCH_ENABLE_MEMORY_HOTPLUG <<
402 1087
403 config PPC_DCR_NATIVE !! 1088 config ARCH_SUPPORTS_UPROBES
404 bool 1089 bool
405 1090
406 config PPC_DCR_MMIO !! 1091 config DMA_PERDEV_COHERENT
407 bool 1092 bool
>> 1093 select ARCH_HAS_SETUP_DMA_OPS
>> 1094 select DMA_NONCOHERENT
408 1095
409 config PPC_DCR !! 1096 config DMA_NONCOHERENT
410 bool 1097 bool
411 depends on PPC_DCR_NATIVE || PPC_DCR_M !! 1098 #
412 default y !! 1099 # MIPS allows mixing "slightly different" Cacheability and Coherency
>> 1100 # Attribute bits. It is believed that the uncached access through
>> 1101 # KSEG1 and the implementation specific "uncached accelerated" used
>> 1102 # by pgprot_writcombine can be mixed, and the latter sometimes provides
>> 1103 # significant advantages.
>> 1104 #
>> 1105 select ARCH_HAS_DMA_WRITE_COMBINE
>> 1106 select ARCH_HAS_DMA_PREP_COHERENT
>> 1107 select ARCH_HAS_SYNC_DMA_FOR_DEVICE
>> 1108 select ARCH_HAS_DMA_SET_UNCACHED
>> 1109 select DMA_NONCOHERENT_MMAP
>> 1110 select NEED_DMA_MAP_STATE
413 1111
414 config PPC_PCI_OF_BUS_MAP !! 1112 config SYS_HAS_EARLY_PRINTK
415 bool "Use pci_to_OF_bus_map (deprecate !! 1113 bool
416 depends on PPC32 !! 1114
417 depends on PPC_PMAC || PPC_CHRP !! 1115 config SYS_SUPPORTS_HOTPLUG_CPU
418 help !! 1116 bool
419 This option uses pci_to_OF_bus_map t !! 1117
420 restricts the system to only having !! 1118 config MIPS_BONITO64
421 the "pci-OF-bus-map" property to be !! 1119 bool
422 !! 1120
423 If unsure, say "N". !! 1121 config MIPS_MSC
424 !! 1122 bool
425 config PPC_PCI_BUS_NUM_DOMAIN_DEPENDENT !! 1123
426 depends on PPC32 !! 1124 config SYNC_R4K
427 depends on !PPC_PCI_OF_BUS_MAP !! 1125 bool
428 bool "Assign PCI bus numbers from zero !! 1126
429 default y !! 1127 config NO_IOPORT_MAP
>> 1128 def_bool n
>> 1129
>> 1130 config GENERIC_CSUM
>> 1131 def_bool CPU_NO_LOAD_STORE_LR
>> 1132
>> 1133 config GENERIC_ISA_DMA
>> 1134 bool
>> 1135 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
>> 1136 select ISA_DMA_API
>> 1137
>> 1138 config GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 1139 bool
>> 1140 select GENERIC_ISA_DMA
>> 1141
>> 1142 config HAVE_PLAT_DELAY
>> 1143 bool
>> 1144
>> 1145 config HAVE_PLAT_FW_INIT_CMDLINE
>> 1146 bool
>> 1147
>> 1148 config HAVE_PLAT_MEMCPY
>> 1149 bool
>> 1150
>> 1151 config ISA_DMA_API
>> 1152 bool
>> 1153
>> 1154 config SYS_SUPPORTS_RELOCATABLE
>> 1155 bool
430 help 1156 help
431 By default on PPC32 were PCI bus num !! 1157 Selected if the platform supports relocating the kernel.
432 So system could have only 256 PCI bu !! 1158 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
433 PCI domains. When this option is ena !! 1159 to allow access to command line and entropy sources.
434 PCI domain dependent and each PCI co !! 1160
435 256 PCI buses, like it is on other L !! 1161 #
>> 1162 # Endianness selection. Sufficiently obscure so many users don't know what to
>> 1163 # answer,so we try hard to limit the available choices. Also the use of a
>> 1164 # choice statement should be more obvious to the user.
>> 1165 #
>> 1166 choice
>> 1167 prompt "Endianness selection"
>> 1168 help
>> 1169 Some MIPS machines can be configured for either little or big endian
>> 1170 byte order. These modes require different kernels and a different
>> 1171 Linux distribution. In general there is one preferred byteorder for a
>> 1172 particular system but some systems are just as commonly used in the
>> 1173 one or the other endianness.
>> 1174
>> 1175 config CPU_BIG_ENDIAN
>> 1176 bool "Big endian"
>> 1177 depends on SYS_SUPPORTS_BIG_ENDIAN
>> 1178
>> 1179 config CPU_LITTLE_ENDIAN
>> 1180 bool "Little endian"
>> 1181 depends on SYS_SUPPORTS_LITTLE_ENDIAN
436 1182
437 config PPC_OF_PLATFORM_PCI !! 1183 endchoice
>> 1184
>> 1185 config EXPORT_UASM
438 bool 1186 bool
439 depends on PCI <<
440 depends on PPC64 # not supported on 32 <<
441 1187
442 config ARCH_SUPPORTS_UPROBES !! 1188 config SYS_SUPPORTS_APM_EMULATION
443 def_bool y !! 1189 bool
444 1190
445 config PPC_ADV_DEBUG_REGS !! 1191 config SYS_SUPPORTS_BIG_ENDIAN
446 bool 1192 bool
447 depends on BOOKE <<
448 default y <<
449 1193
450 config PPC_ADV_DEBUG_IACS !! 1194 config SYS_SUPPORTS_LITTLE_ENDIAN
451 int !! 1195 bool
452 depends on PPC_ADV_DEBUG_REGS <<
453 default 4 if 44x <<
454 default 2 <<
455 1196
456 config PPC_ADV_DEBUG_DACS !! 1197 config MIPS_HUGE_TLB_SUPPORT
457 int !! 1198 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
458 depends on PPC_ADV_DEBUG_REGS <<
459 default 2 <<
460 1199
461 config PPC_ADV_DEBUG_DVCS !! 1200 config IRQ_MSP_SLP
462 int !! 1201 bool
463 depends on PPC_ADV_DEBUG_REGS <<
464 default 2 if 44x <<
465 default 0 <<
466 1202
467 config PPC_ADV_DEBUG_DAC_RANGE !! 1203 config IRQ_MSP_CIC
468 bool 1204 bool
469 depends on PPC_ADV_DEBUG_REGS && 44x <<
470 default y <<
471 1205
472 config PPC_DAWR !! 1206 config IRQ_TXX9
473 bool 1207 bool
474 1208
475 config PGTABLE_LEVELS !! 1209 config IRQ_GT641XX
>> 1210 bool
>> 1211
>> 1212 config PCI_GT64XXX_PCI0
>> 1213 bool
>> 1214
>> 1215 config PCI_XTALK_BRIDGE
>> 1216 bool
>> 1217
>> 1218 config NO_EXCEPT_FILL
>> 1219 bool
>> 1220
>> 1221 config MIPS_SPRAM
>> 1222 bool
>> 1223
>> 1224 config SWAP_IO_SPACE
>> 1225 bool
>> 1226
>> 1227 config SGI_HAS_INDYDOG
>> 1228 bool
>> 1229
>> 1230 config SGI_HAS_HAL2
>> 1231 bool
>> 1232
>> 1233 config SGI_HAS_SEEQ
>> 1234 bool
>> 1235
>> 1236 config SGI_HAS_WD93
>> 1237 bool
>> 1238
>> 1239 config SGI_HAS_ZILOG
>> 1240 bool
>> 1241
>> 1242 config SGI_HAS_I8042
>> 1243 bool
>> 1244
>> 1245 config DEFAULT_SGI_PARTITION
>> 1246 bool
>> 1247
>> 1248 config FW_ARC32
>> 1249 bool
>> 1250
>> 1251 config FW_SNIPROM
>> 1252 bool
>> 1253
>> 1254 config BOOT_ELF32
>> 1255 bool
>> 1256
>> 1257 config MIPS_L1_CACHE_SHIFT_4
>> 1258 bool
>> 1259
>> 1260 config MIPS_L1_CACHE_SHIFT_5
>> 1261 bool
>> 1262
>> 1263 config MIPS_L1_CACHE_SHIFT_6
>> 1264 bool
>> 1265
>> 1266 config MIPS_L1_CACHE_SHIFT_7
>> 1267 bool
>> 1268
>> 1269 config MIPS_L1_CACHE_SHIFT
476 int 1270 int
477 default 2 if !PPC64 !! 1271 default "7" if MIPS_L1_CACHE_SHIFT_7
478 default 4 !! 1272 default "6" if MIPS_L1_CACHE_SHIFT_6
>> 1273 default "5" if MIPS_L1_CACHE_SHIFT_5
>> 1274 default "4" if MIPS_L1_CACHE_SHIFT_4
>> 1275 default "5"
479 1276
480 source "arch/powerpc/sysdev/Kconfig" !! 1277 config ARC_CMDLINE_ONLY
481 source "arch/powerpc/platforms/Kconfig" !! 1278 bool
482 1279
483 menu "Kernel options" !! 1280 config ARC_CONSOLE
>> 1281 bool "ARC console support"
>> 1282 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
484 1283
485 config HIGHMEM !! 1284 config ARC_MEMORY
486 bool "High memory support" !! 1285 bool
487 depends on PPC32 <<
488 select KMAP_LOCAL <<
489 1286
490 source "kernel/Kconfig.hz" !! 1287 config ARC_PROMLIB
>> 1288 bool
>> 1289
>> 1290 config FW_ARC64
>> 1291 bool
>> 1292
>> 1293 config BOOT_ELF64
>> 1294 bool
491 1295
492 config MATH_EMULATION !! 1296 menu "CPU selection"
493 bool "Math emulation" <<
494 depends on 44x || PPC_8xx || PPC_MPC83 <<
495 select PPC_FPU_REGS <<
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 1297
508 choice 1298 choice
509 prompt "Math emulation options" !! 1299 prompt "CPU type"
510 default MATH_EMULATION_FULL !! 1300 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 1301
520 config MATH_EMULATION_HW_UNIMPLEMENTED !! 1302 config CPU_LOONGSON64
521 bool "Just emulate the FPU unimplement !! 1303 bool "Loongson 64-bit CPU"
>> 1304 depends on SYS_HAS_CPU_LOONGSON64
>> 1305 select ARCH_HAS_PHYS_TO_DMA
>> 1306 select CPU_MIPSR2
>> 1307 select CPU_HAS_PREFETCH
>> 1308 select CPU_SUPPORTS_64BIT_KERNEL
>> 1309 select CPU_SUPPORTS_HIGHMEM
>> 1310 select CPU_SUPPORTS_HUGEPAGES
>> 1311 select CPU_SUPPORTS_MSA
>> 1312 select CPU_DIEI_BROKEN if !LOONGSON3_ENHANCEMENT
>> 1313 select CPU_MIPSR2_IRQ_VI
>> 1314 select WEAK_ORDERING
>> 1315 select WEAK_REORDERING_BEYOND_LLSC
>> 1316 select MIPS_ASID_BITS_VARIABLE
>> 1317 select MIPS_PGD_C0_CONTEXT
>> 1318 select MIPS_L1_CACHE_SHIFT_6
>> 1319 select MIPS_FP_SUPPORT
>> 1320 select GPIOLIB
>> 1321 select SWIOTLB
>> 1322 select HAVE_KVM
>> 1323 help
>> 1324 The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
>> 1325 cores implements the MIPS64R2 instruction set with many extensions,
>> 1326 including most 64-bit Loongson-2 (2H, 2K) and Loongson-3 (3A1000,
>> 1327 3B1000, 3B1500, 3A2000, 3A3000 and 3A4000) processors. However, old
>> 1328 Loongson-2E/2F is not covered here and will be removed in future.
>> 1329
>> 1330 config LOONGSON3_ENHANCEMENT
>> 1331 bool "New Loongson-3 CPU Enhancements"
>> 1332 default n
>> 1333 depends on CPU_LOONGSON64
522 help 1334 help
523 Select this if you know there does h !! 1335 New Loongson-3 cores (since Loongson-3A R2, as opposed to Loongson-3A
524 SoC, but some floating point instruc !! 1336 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1337 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPr2 ASE, User
>> 1338 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1339 Fast TLB refill support, etc.
>> 1340
>> 1341 This option enable those enhancements which are not probed at run
>> 1342 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1343 please say 'N' here. If you want a high-performance kernel to run on
>> 1344 new Loongson-3 machines only, please say 'Y' here.
>> 1345
>> 1346 config CPU_LOONGSON3_WORKAROUNDS
>> 1347 bool "Loongson-3 LLSC Workarounds"
>> 1348 default y if SMP
>> 1349 depends on CPU_LOONGSON64
>> 1350 help
>> 1351 Loongson-3 processors have the llsc issues which require workarounds.
>> 1352 Without workarounds the system may hang unexpectedly.
>> 1353
>> 1354 Say Y, unless you know what you are doing.
>> 1355
>> 1356 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1357 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1358 default y
>> 1359 depends on CPU_LOONGSON64
>> 1360 help
>> 1361 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1362 userland to query CPU capabilities, much like CPUID on x86. This
>> 1363 option provides emulation of the instruction on older Loongson
>> 1364 cores, back to Loongson-3A1000.
>> 1365
>> 1366 If unsure, please say Y.
>> 1367
>> 1368 config CPU_LOONGSON2E
>> 1369 bool "Loongson 2E"
>> 1370 depends on SYS_HAS_CPU_LOONGSON2E
>> 1371 select CPU_LOONGSON2EF
>> 1372 help
>> 1373 The Loongson 2E processor implements the MIPS III instruction set
>> 1374 with many extensions.
>> 1375
>> 1376 It has an internal FPGA northbridge, which is compatible to
>> 1377 bonito64.
>> 1378
>> 1379 config CPU_LOONGSON2F
>> 1380 bool "Loongson 2F"
>> 1381 depends on SYS_HAS_CPU_LOONGSON2F
>> 1382 select CPU_LOONGSON2EF
>> 1383 select GPIOLIB
>> 1384 help
>> 1385 The Loongson 2F processor implements the MIPS III instruction set
>> 1386 with many extensions.
>> 1387
>> 1388 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
>> 1389 have a similar programming interface with FPGA northbridge used in
>> 1390 Loongson2E.
>> 1391
>> 1392 config CPU_LOONGSON1B
>> 1393 bool "Loongson 1B"
>> 1394 depends on SYS_HAS_CPU_LOONGSON1B
>> 1395 select CPU_LOONGSON32
>> 1396 select LEDS_GPIO_REGISTER
>> 1397 help
>> 1398 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
>> 1399 Release 1 instruction set and part of the MIPS32 Release 2
>> 1400 instruction set.
>> 1401
>> 1402 config CPU_LOONGSON1C
>> 1403 bool "Loongson 1C"
>> 1404 depends on SYS_HAS_CPU_LOONGSON1C
>> 1405 select CPU_LOONGSON32
>> 1406 select LEDS_GPIO_REGISTER
>> 1407 help
>> 1408 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
>> 1409 Release 1 instruction set and part of the MIPS32 Release 2
>> 1410 instruction set.
>> 1411
>> 1412 config CPU_MIPS32_R1
>> 1413 bool "MIPS32 Release 1"
>> 1414 depends on SYS_HAS_CPU_MIPS32_R1
>> 1415 select CPU_HAS_PREFETCH
>> 1416 select CPU_SUPPORTS_32BIT_KERNEL
>> 1417 select CPU_SUPPORTS_HIGHMEM
>> 1418 help
>> 1419 Choose this option to build a kernel for release 1 or later of the
>> 1420 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1421 MIPS processor are based on a MIPS32 processor. If you know the
>> 1422 specific type of processor in your system, choose those that one
>> 1423 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1424 Release 2 of the MIPS32 architecture is available since several
>> 1425 years so chances are you even have a MIPS32 Release 2 processor
>> 1426 in which case you should choose CPU_MIPS32_R2 instead for better
>> 1427 performance.
525 1428
526 endchoice !! 1429 config CPU_MIPS32_R2
>> 1430 bool "MIPS32 Release 2"
>> 1431 depends on SYS_HAS_CPU_MIPS32_R2
>> 1432 select CPU_HAS_PREFETCH
>> 1433 select CPU_SUPPORTS_32BIT_KERNEL
>> 1434 select CPU_SUPPORTS_HIGHMEM
>> 1435 select CPU_SUPPORTS_MSA
>> 1436 select HAVE_KVM
>> 1437 help
>> 1438 Choose this option to build a kernel for release 2 or later of the
>> 1439 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1440 MIPS processor are based on a MIPS32 processor. If you know the
>> 1441 specific type of processor in your system, choose those that one
>> 1442 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1443
>> 1444 config CPU_MIPS32_R5
>> 1445 bool "MIPS32 Release 5"
>> 1446 depends on SYS_HAS_CPU_MIPS32_R5
>> 1447 select CPU_HAS_PREFETCH
>> 1448 select CPU_SUPPORTS_32BIT_KERNEL
>> 1449 select CPU_SUPPORTS_HIGHMEM
>> 1450 select CPU_SUPPORTS_MSA
>> 1451 select HAVE_KVM
>> 1452 select MIPS_O32_FP64_SUPPORT
>> 1453 help
>> 1454 Choose this option to build a kernel for release 5 or later of the
>> 1455 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1456 family, are based on a MIPS32r5 processor. If you own an older
>> 1457 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1458
>> 1459 config CPU_MIPS32_R6
>> 1460 bool "MIPS32 Release 6"
>> 1461 depends on SYS_HAS_CPU_MIPS32_R6
>> 1462 select CPU_HAS_PREFETCH
>> 1463 select CPU_NO_LOAD_STORE_LR
>> 1464 select CPU_SUPPORTS_32BIT_KERNEL
>> 1465 select CPU_SUPPORTS_HIGHMEM
>> 1466 select CPU_SUPPORTS_MSA
>> 1467 select HAVE_KVM
>> 1468 select MIPS_O32_FP64_SUPPORT
>> 1469 help
>> 1470 Choose this option to build a kernel for release 6 or later of the
>> 1471 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1472 family, are based on a MIPS32r6 processor. If you own an older
>> 1473 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1474
>> 1475 config CPU_MIPS64_R1
>> 1476 bool "MIPS64 Release 1"
>> 1477 depends on SYS_HAS_CPU_MIPS64_R1
>> 1478 select CPU_HAS_PREFETCH
>> 1479 select CPU_SUPPORTS_32BIT_KERNEL
>> 1480 select CPU_SUPPORTS_64BIT_KERNEL
>> 1481 select CPU_SUPPORTS_HIGHMEM
>> 1482 select CPU_SUPPORTS_HUGEPAGES
>> 1483 help
>> 1484 Choose this option to build a kernel for release 1 or later of the
>> 1485 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1486 MIPS processor are based on a MIPS64 processor. If you know the
>> 1487 specific type of processor in your system, choose those that one
>> 1488 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1489 Release 2 of the MIPS64 architecture is available since several
>> 1490 years so chances are you even have a MIPS64 Release 2 processor
>> 1491 in which case you should choose CPU_MIPS64_R2 instead for better
>> 1492 performance.
527 1493
528 config PPC_TRANSACTIONAL_MEM !! 1494 config CPU_MIPS64_R2
529 bool "Transactional Memory support for !! 1495 bool "MIPS64 Release 2"
530 depends on PPC_BOOK3S_64 !! 1496 depends on SYS_HAS_CPU_MIPS64_R2
531 depends on SMP !! 1497 select CPU_HAS_PREFETCH
532 select ALTIVEC !! 1498 select CPU_SUPPORTS_32BIT_KERNEL
533 select VSX !! 1499 select CPU_SUPPORTS_64BIT_KERNEL
>> 1500 select CPU_SUPPORTS_HIGHMEM
>> 1501 select CPU_SUPPORTS_HUGEPAGES
>> 1502 select CPU_SUPPORTS_MSA
>> 1503 select HAVE_KVM
>> 1504 help
>> 1505 Choose this option to build a kernel for release 2 or later of the
>> 1506 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1507 MIPS processor are based on a MIPS64 processor. If you know the
>> 1508 specific type of processor in your system, choose those that one
>> 1509 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1510
>> 1511 config CPU_MIPS64_R5
>> 1512 bool "MIPS64 Release 5"
>> 1513 depends on SYS_HAS_CPU_MIPS64_R5
>> 1514 select CPU_HAS_PREFETCH
>> 1515 select CPU_SUPPORTS_32BIT_KERNEL
>> 1516 select CPU_SUPPORTS_64BIT_KERNEL
>> 1517 select CPU_SUPPORTS_HIGHMEM
>> 1518 select CPU_SUPPORTS_HUGEPAGES
>> 1519 select CPU_SUPPORTS_MSA
>> 1520 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1521 select HAVE_KVM
>> 1522 help
>> 1523 Choose this option to build a kernel for release 5 or later of the
>> 1524 MIPS64 architecture. This is a intermediate MIPS architecture
>> 1525 release partly implementing release 6 features. Though there is no
>> 1526 any hardware known to be based on this release.
>> 1527
>> 1528 config CPU_MIPS64_R6
>> 1529 bool "MIPS64 Release 6"
>> 1530 depends on SYS_HAS_CPU_MIPS64_R6
>> 1531 select CPU_HAS_PREFETCH
>> 1532 select CPU_NO_LOAD_STORE_LR
>> 1533 select CPU_SUPPORTS_32BIT_KERNEL
>> 1534 select CPU_SUPPORTS_64BIT_KERNEL
>> 1535 select CPU_SUPPORTS_HIGHMEM
>> 1536 select CPU_SUPPORTS_HUGEPAGES
>> 1537 select CPU_SUPPORTS_MSA
>> 1538 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1539 select HAVE_KVM
>> 1540 help
>> 1541 Choose this option to build a kernel for release 6 or later of the
>> 1542 MIPS64 architecture. New MIPS processors, starting with the Warrior
>> 1543 family, are based on a MIPS64r6 processor. If you own an older
>> 1544 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
>> 1545
>> 1546 config CPU_P5600
>> 1547 bool "MIPS Warrior P5600"
>> 1548 depends on SYS_HAS_CPU_P5600
>> 1549 select CPU_HAS_PREFETCH
>> 1550 select CPU_SUPPORTS_32BIT_KERNEL
>> 1551 select CPU_SUPPORTS_HIGHMEM
>> 1552 select CPU_SUPPORTS_MSA
>> 1553 select CPU_SUPPORTS_CPUFREQ
>> 1554 select CPU_MIPSR2_IRQ_VI
>> 1555 select CPU_MIPSR2_IRQ_EI
>> 1556 select HAVE_KVM
>> 1557 select MIPS_O32_FP64_SUPPORT
>> 1558 help
>> 1559 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
>> 1560 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
>> 1561 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
>> 1562 level features like up to six P5600 calculation cores, CM2 with L2
>> 1563 cache, IOCU/IOMMU (though might be unused depending on the system-
>> 1564 specific IP core configuration), GIC, CPC, virtualisation module,
>> 1565 eJTAG and PDtrace.
>> 1566
>> 1567 config CPU_R3000
>> 1568 bool "R3000"
>> 1569 depends on SYS_HAS_CPU_R3000
>> 1570 select CPU_HAS_WB
>> 1571 select CPU_R3K_TLB
>> 1572 select CPU_SUPPORTS_32BIT_KERNEL
>> 1573 select CPU_SUPPORTS_HIGHMEM
>> 1574 help
>> 1575 Please make sure to pick the right CPU type. Linux/MIPS is not
>> 1576 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
>> 1577 *not* work on R4000 machines and vice versa. However, since most
>> 1578 of the supported machines have an R4000 (or similar) CPU, R4x00
>> 1579 might be a safe bet. If the resulting kernel does not work,
>> 1580 try to recompile with R3000.
>> 1581
>> 1582 config CPU_VR41XX
>> 1583 bool "R41xx"
>> 1584 depends on SYS_HAS_CPU_VR41XX
>> 1585 select CPU_SUPPORTS_32BIT_KERNEL
>> 1586 select CPU_SUPPORTS_64BIT_KERNEL
>> 1587 help
>> 1588 The options selects support for the NEC VR4100 series of processors.
>> 1589 Only choose this option if you have one of these processors as a
>> 1590 kernel built with this option will not run on any other type of
>> 1591 processor or vice versa.
>> 1592
>> 1593 config CPU_R4300
>> 1594 bool "R4300"
>> 1595 depends on SYS_HAS_CPU_R4300
>> 1596 select CPU_SUPPORTS_32BIT_KERNEL
>> 1597 select CPU_SUPPORTS_64BIT_KERNEL
>> 1598 help
>> 1599 MIPS Technologies R4300-series processors.
>> 1600
>> 1601 config CPU_R4X00
>> 1602 bool "R4x00"
>> 1603 depends on SYS_HAS_CPU_R4X00
>> 1604 select CPU_SUPPORTS_32BIT_KERNEL
>> 1605 select CPU_SUPPORTS_64BIT_KERNEL
>> 1606 select CPU_SUPPORTS_HUGEPAGES
>> 1607 help
>> 1608 MIPS Technologies R4000-series processors other than 4300, including
>> 1609 the R4000, R4400, R4600, and 4700.
>> 1610
>> 1611 config CPU_TX49XX
>> 1612 bool "R49XX"
>> 1613 depends on SYS_HAS_CPU_TX49XX
>> 1614 select CPU_HAS_PREFETCH
>> 1615 select CPU_SUPPORTS_32BIT_KERNEL
>> 1616 select CPU_SUPPORTS_64BIT_KERNEL
>> 1617 select CPU_SUPPORTS_HUGEPAGES
>> 1618
>> 1619 config CPU_R5000
>> 1620 bool "R5000"
>> 1621 depends on SYS_HAS_CPU_R5000
>> 1622 select CPU_SUPPORTS_32BIT_KERNEL
>> 1623 select CPU_SUPPORTS_64BIT_KERNEL
>> 1624 select CPU_SUPPORTS_HUGEPAGES
>> 1625 help
>> 1626 MIPS Technologies R5000-series processors other than the Nevada.
>> 1627
>> 1628 config CPU_R5500
>> 1629 bool "R5500"
>> 1630 depends on SYS_HAS_CPU_R5500
>> 1631 select CPU_SUPPORTS_32BIT_KERNEL
>> 1632 select CPU_SUPPORTS_64BIT_KERNEL
>> 1633 select CPU_SUPPORTS_HUGEPAGES
>> 1634 help
>> 1635 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
>> 1636 instruction set.
>> 1637
>> 1638 config CPU_NEVADA
>> 1639 bool "RM52xx"
>> 1640 depends on SYS_HAS_CPU_NEVADA
>> 1641 select CPU_SUPPORTS_32BIT_KERNEL
>> 1642 select CPU_SUPPORTS_64BIT_KERNEL
>> 1643 select CPU_SUPPORTS_HUGEPAGES
>> 1644 help
>> 1645 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
>> 1646
>> 1647 config CPU_R10000
>> 1648 bool "R10000"
>> 1649 depends on SYS_HAS_CPU_R10000
>> 1650 select CPU_HAS_PREFETCH
>> 1651 select CPU_SUPPORTS_32BIT_KERNEL
>> 1652 select CPU_SUPPORTS_64BIT_KERNEL
>> 1653 select CPU_SUPPORTS_HIGHMEM
>> 1654 select CPU_SUPPORTS_HUGEPAGES
>> 1655 help
>> 1656 MIPS Technologies R10000-series processors.
>> 1657
>> 1658 config CPU_RM7000
>> 1659 bool "RM7000"
>> 1660 depends on SYS_HAS_CPU_RM7000
>> 1661 select CPU_HAS_PREFETCH
>> 1662 select CPU_SUPPORTS_32BIT_KERNEL
>> 1663 select CPU_SUPPORTS_64BIT_KERNEL
>> 1664 select CPU_SUPPORTS_HIGHMEM
>> 1665 select CPU_SUPPORTS_HUGEPAGES
>> 1666
>> 1667 config CPU_SB1
>> 1668 bool "SB1"
>> 1669 depends on SYS_HAS_CPU_SB1
>> 1670 select CPU_SUPPORTS_32BIT_KERNEL
>> 1671 select CPU_SUPPORTS_64BIT_KERNEL
>> 1672 select CPU_SUPPORTS_HIGHMEM
>> 1673 select CPU_SUPPORTS_HUGEPAGES
>> 1674 select WEAK_ORDERING
>> 1675
>> 1676 config CPU_CAVIUM_OCTEON
>> 1677 bool "Cavium Octeon processor"
>> 1678 depends on SYS_HAS_CPU_CAVIUM_OCTEON
>> 1679 select CPU_HAS_PREFETCH
>> 1680 select CPU_SUPPORTS_64BIT_KERNEL
>> 1681 select WEAK_ORDERING
>> 1682 select CPU_SUPPORTS_HIGHMEM
>> 1683 select CPU_SUPPORTS_HUGEPAGES
>> 1684 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1685 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1686 select MIPS_L1_CACHE_SHIFT_7
>> 1687 select HAVE_KVM
>> 1688 help
>> 1689 The Cavium Octeon processor is a highly integrated chip containing
>> 1690 many ethernet hardware widgets for networking tasks. The processor
>> 1691 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
>> 1692 Full details can be found at http://www.caviumnetworks.com.
>> 1693
>> 1694 config CPU_BMIPS
>> 1695 bool "Broadcom BMIPS"
>> 1696 depends on SYS_HAS_CPU_BMIPS
>> 1697 select CPU_MIPS32
>> 1698 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
>> 1699 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
>> 1700 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
>> 1701 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
>> 1702 select CPU_SUPPORTS_32BIT_KERNEL
>> 1703 select DMA_NONCOHERENT
>> 1704 select IRQ_MIPS_CPU
>> 1705 select SWAP_IO_SPACE
>> 1706 select WEAK_ORDERING
>> 1707 select CPU_SUPPORTS_HIGHMEM
>> 1708 select CPU_HAS_PREFETCH
>> 1709 select CPU_SUPPORTS_CPUFREQ
>> 1710 select MIPS_EXTERNAL_TIMER
>> 1711 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
534 help 1712 help
535 Support user-mode Transactional Memo !! 1713 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
536 1714
537 config PPC_UV !! 1715 endchoice
538 bool "Ultravisor support" !! 1716
539 depends on KVM_BOOK3S_HV_POSSIBLE !! 1717 config CPU_MIPS32_3_5_FEATURES
540 depends on DEVICE_PRIVATE !! 1718 bool "MIPS32 Release 3.5 Features"
>> 1719 depends on SYS_HAS_CPU_MIPS32_R3_5
>> 1720 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
>> 1721 CPU_P5600
>> 1722 help
>> 1723 Choose this option to build a kernel for release 2 or later of the
>> 1724 MIPS32 architecture including features from the 3.5 release such as
>> 1725 support for Enhanced Virtual Addressing (EVA).
>> 1726
>> 1727 config CPU_MIPS32_3_5_EVA
>> 1728 bool "Enhanced Virtual Addressing (EVA)"
>> 1729 depends on CPU_MIPS32_3_5_FEATURES
>> 1730 select EVA
>> 1731 default y
>> 1732 help
>> 1733 Choose this option if you want to enable the Enhanced Virtual
>> 1734 Addressing (EVA) on your MIPS32 core (such as proAptiv).
>> 1735 One of its primary benefits is an increase in the maximum size
>> 1736 of lowmem (up to 3GB). If unsure, say 'N' here.
>> 1737
>> 1738 config CPU_MIPS32_R5_FEATURES
>> 1739 bool "MIPS32 Release 5 Features"
>> 1740 depends on SYS_HAS_CPU_MIPS32_R5
>> 1741 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
>> 1742 help
>> 1743 Choose this option to build a kernel for release 2 or later of the
>> 1744 MIPS32 architecture including features from release 5 such as
>> 1745 support for Extended Physical Addressing (XPA).
>> 1746
>> 1747 config CPU_MIPS32_R5_XPA
>> 1748 bool "Extended Physical Addressing (XPA)"
>> 1749 depends on CPU_MIPS32_R5_FEATURES
>> 1750 depends on !EVA
>> 1751 depends on !PAGE_SIZE_4KB
>> 1752 depends on SYS_SUPPORTS_HIGHMEM
>> 1753 select XPA
>> 1754 select HIGHMEM
>> 1755 select PHYS_ADDR_T_64BIT
541 default n 1756 default n
542 help 1757 help
543 This option paravirtualizes the kern !! 1758 Choose this option if you want to enable the Extended Physical
544 supports the Protected Execution Fac !! 1759 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
545 the ultravisor firmware runs at a pr !! 1760 benefit is to increase physical addressing equal to or greater
546 hypervisor. !! 1761 than 40 bits. Note that this has the side effect of turning on
547 !! 1762 64-bit addressing which in turn makes the PTEs 64-bit in size.
548 If unsure, say "N". !! 1763 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 1764
572 config HOTPLUG_CPU !! 1765 if CPU_LOONGSON2F
573 bool "Support for enabling/disabling C !! 1766 config CPU_NOP_WORKAROUNDS
574 depends on SMP && (PPC_PSERIES || \ !! 1767 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 1768
591 config PPC_QUEUED_SPINLOCKS !! 1769 config CPU_JUMP_WORKAROUNDS
592 bool "Queued spinlocks" if EXPERT !! 1770 bool
593 depends on SMP !! 1771
594 default PPC_BOOK3S_64 !! 1772 config CPU_LOONGSON2F_WORKAROUNDS
>> 1773 bool "Loongson 2F Workarounds"
>> 1774 default y
>> 1775 select CPU_NOP_WORKAROUNDS
>> 1776 select CPU_JUMP_WORKAROUNDS
595 help 1777 help
596 Say Y here to use queued spinlocks w !! 1778 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
597 fairness on large SMP and NUMA syste !! 1779 require workarounds. Without workarounds the system may hang
598 performance. !! 1780 unexpectedly. For more information please refer to the gas
>> 1781 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
599 1782
600 config ARCH_CPU_PROBE_RELEASE !! 1783 Loongson 2F03 and later have fixed these issues and no workarounds
601 def_bool y !! 1784 are needed. The workarounds have no significant side effect on them
602 depends on HOTPLUG_CPU !! 1785 but may decrease the performance of the system so this option should
>> 1786 be disabled unless the kernel is intended to be run on 2F01 or 2F02
>> 1787 systems.
603 1788
604 config PPC64_SUPPORTS_MEMORY_FAILURE !! 1789 If unsure, please say Y.
605 bool "Add support for memory hwpoison" !! 1790 endif # CPU_LOONGSON2F
606 depends on PPC_BOOK3S_64 <<
607 default "y" if PPC_POWERNV <<
608 select ARCH_SUPPORTS_MEMORY_FAILURE <<
609 1791
610 config ARCH_SUPPORTS_KEXEC !! 1792 config SYS_SUPPORTS_ZBOOT
611 def_bool PPC_BOOK3S || PPC_E500 || (44 !! 1793 bool
>> 1794 select HAVE_KERNEL_GZIP
>> 1795 select HAVE_KERNEL_BZIP2
>> 1796 select HAVE_KERNEL_LZ4
>> 1797 select HAVE_KERNEL_LZMA
>> 1798 select HAVE_KERNEL_LZO
>> 1799 select HAVE_KERNEL_XZ
>> 1800 select HAVE_KERNEL_ZSTD
612 1801
613 config ARCH_SUPPORTS_KEXEC_FILE !! 1802 config SYS_SUPPORTS_ZBOOT_UART16550
614 def_bool PPC64 !! 1803 bool
>> 1804 select SYS_SUPPORTS_ZBOOT
615 1805
616 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 1806 config SYS_SUPPORTS_ZBOOT_UART_PROM
617 def_bool y !! 1807 bool
>> 1808 select SYS_SUPPORTS_ZBOOT
618 1809
619 config ARCH_SELECTS_KEXEC_FILE !! 1810 config CPU_LOONGSON2EF
620 def_bool y !! 1811 bool
621 depends on KEXEC_FILE !! 1812 select CPU_SUPPORTS_32BIT_KERNEL
622 select KEXEC_ELF !! 1813 select CPU_SUPPORTS_64BIT_KERNEL
623 select HAVE_IMA_KEXEC if IMA !! 1814 select CPU_SUPPORTS_HIGHMEM
624 !! 1815 select CPU_SUPPORTS_HUGEPAGES
625 config PPC64_BIG_ENDIAN_ELF_ABI_V2 !! 1816 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 1817
642 config RELOCATABLE !! 1818 config CPU_LOONGSON32
643 bool "Build a relocatable kernel" !! 1819 bool
644 depends on PPC64 || (FLATMEM && (44x | !! 1820 select CPU_MIPS32
645 select NONSTATIC_KERNEL !! 1821 select CPU_MIPSR2
646 help !! 1822 select CPU_HAS_PREFETCH
647 This builds a kernel image that is c !! 1823 select CPU_SUPPORTS_32BIT_KERNEL
648 location the kernel is loaded at. Fo !! 1824 select CPU_SUPPORTS_HIGHMEM
649 alignment restrictions, and this fea !! 1825 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 1826
665 config RANDOMIZE_BASE !! 1827 config CPU_BMIPS32_3300
666 bool "Randomize the address of the ker !! 1828 select SMP_UP if SMP
667 depends on PPC_85xx && FLATMEM !! 1829 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 1830
674 If unsure, say Y. !! 1831 config CPU_BMIPS4350
>> 1832 bool
>> 1833 select SYS_SUPPORTS_SMP
>> 1834 select SYS_SUPPORTS_HOTPLUG_CPU
675 1835
676 config RELOCATABLE_TEST !! 1836 config CPU_BMIPS4380
677 bool "Test relocatable kernel" !! 1837 bool
678 depends on (PPC64 && RELOCATABLE) !! 1838 select MIPS_L1_CACHE_SHIFT_6
679 help !! 1839 select SYS_SUPPORTS_SMP
680 This runs the relocatable kernel at !! 1840 select SYS_SUPPORTS_HOTPLUG_CPU
681 loaded at, which tends to be non-zer !! 1841 select CPU_HAS_RIXI
682 relocation code. <<
683 1842
684 config ARCH_SUPPORTS_CRASH_DUMP !! 1843 config CPU_BMIPS5000
685 def_bool PPC64 || PPC_BOOK3S_32 || PPC !! 1844 bool
>> 1845 select MIPS_CPU_SCACHE
>> 1846 select MIPS_L1_CACHE_SHIFT_7
>> 1847 select SYS_SUPPORTS_SMP
>> 1848 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1849 select CPU_HAS_RIXI
686 1850
687 config ARCH_SELECTS_CRASH_DUMP !! 1851 config SYS_HAS_CPU_LOONGSON64
688 def_bool y !! 1852 bool
689 depends on CRASH_DUMP !! 1853 select CPU_SUPPORTS_CPUFREQ
690 select RELOCATABLE if PPC64 || 44x || !! 1854 select CPU_HAS_RIXI
691 1855
692 config ARCH_SUPPORTS_CRASH_HOTPLUG !! 1856 config SYS_HAS_CPU_LOONGSON2E
693 def_bool y !! 1857 bool
694 depends on PPC64 <<
695 1858
696 config FA_DUMP !! 1859 config SYS_HAS_CPU_LOONGSON2F
697 bool "Firmware-assisted dump" !! 1860 bool
698 depends on CRASH_DUMP && PPC64 && (PPC !! 1861 select CPU_SUPPORTS_CPUFREQ
699 help !! 1862 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 1863
728 config IRQ_ALL_CPUS !! 1864 config SYS_HAS_CPU_LOONGSON1B
729 bool "Distribute interrupts on all CPU !! 1865 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 1866
737 config NUMA !! 1867 config SYS_HAS_CPU_LOONGSON1C
738 bool "NUMA Memory Allocation and Sched !! 1868 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 1869
749 config NODES_SHIFT !! 1870 config SYS_HAS_CPU_MIPS32_R1
750 int !! 1871 bool
751 default "8" if PPC64 <<
752 default "4" <<
753 depends on NUMA <<
754 1872
755 config HAVE_MEMORYLESS_NODES !! 1873 config SYS_HAS_CPU_MIPS32_R2
756 def_bool y !! 1874 bool
757 depends on NUMA <<
758 1875
759 config ARCH_SELECT_MEMORY_MODEL !! 1876 config SYS_HAS_CPU_MIPS32_R3_5
760 def_bool y !! 1877 bool
761 depends on PPC64 <<
762 1878
763 config ARCH_FLATMEM_ENABLE !! 1879 config SYS_HAS_CPU_MIPS32_R5
764 def_bool y !! 1880 bool
765 depends on (PPC64 && !NUMA) || PPC32 !! 1881 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
766 1882
767 config ARCH_SPARSEMEM_ENABLE !! 1883 config SYS_HAS_CPU_MIPS32_R6
768 def_bool y !! 1884 bool
769 depends on PPC64 !! 1885 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
770 select SPARSEMEM_VMEMMAP_ENABLE <<
771 1886
772 config ARCH_SPARSEMEM_DEFAULT !! 1887 config SYS_HAS_CPU_MIPS64_R1
773 def_bool y !! 1888 bool
774 depends on PPC_BOOK3S_64 !! 1889
>> 1890 config SYS_HAS_CPU_MIPS64_R2
>> 1891 bool
>> 1892
>> 1893 config SYS_HAS_CPU_MIPS64_R5
>> 1894 bool
>> 1895 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 1896
>> 1897 config SYS_HAS_CPU_MIPS64_R6
>> 1898 bool
>> 1899 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 1900
>> 1901 config SYS_HAS_CPU_P5600
>> 1902 bool
>> 1903 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 1904
>> 1905 config SYS_HAS_CPU_R3000
>> 1906 bool
>> 1907
>> 1908 config SYS_HAS_CPU_VR41XX
>> 1909 bool
>> 1910
>> 1911 config SYS_HAS_CPU_R4300
>> 1912 bool
>> 1913
>> 1914 config SYS_HAS_CPU_R4X00
>> 1915 bool
>> 1916
>> 1917 config SYS_HAS_CPU_TX49XX
>> 1918 bool
>> 1919
>> 1920 config SYS_HAS_CPU_R5000
>> 1921 bool
>> 1922
>> 1923 config SYS_HAS_CPU_R5500
>> 1924 bool
>> 1925
>> 1926 config SYS_HAS_CPU_NEVADA
>> 1927 bool
>> 1928
>> 1929 config SYS_HAS_CPU_R10000
>> 1930 bool
>> 1931 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
775 1932
776 config ILLEGAL_POINTER_VALUE !! 1933 config SYS_HAS_CPU_RM7000
777 hex !! 1934 bool
778 # This is roughly half way between the !! 1935
779 # of kernel space, which seems about a !! 1936 config SYS_HAS_CPU_SB1
780 default 0x5deadbeef0000000 if PPC64 !! 1937 bool
>> 1938
>> 1939 config SYS_HAS_CPU_CAVIUM_OCTEON
>> 1940 bool
>> 1941
>> 1942 config SYS_HAS_CPU_BMIPS
>> 1943 bool
>> 1944
>> 1945 config SYS_HAS_CPU_BMIPS32_3300
>> 1946 bool
>> 1947 select SYS_HAS_CPU_BMIPS
>> 1948
>> 1949 config SYS_HAS_CPU_BMIPS4350
>> 1950 bool
>> 1951 select SYS_HAS_CPU_BMIPS
>> 1952
>> 1953 config SYS_HAS_CPU_BMIPS4380
>> 1954 bool
>> 1955 select SYS_HAS_CPU_BMIPS
>> 1956
>> 1957 config SYS_HAS_CPU_BMIPS5000
>> 1958 bool
>> 1959 select SYS_HAS_CPU_BMIPS
>> 1960 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 1961
>> 1962 #
>> 1963 # CPU may reorder R->R, R->W, W->R, W->W
>> 1964 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
>> 1965 #
>> 1966 config WEAK_ORDERING
>> 1967 bool
>> 1968
>> 1969 #
>> 1970 # CPU may reorder reads and writes beyond LL/SC
>> 1971 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
>> 1972 #
>> 1973 config WEAK_REORDERING_BEYOND_LLSC
>> 1974 bool
>> 1975 endmenu
>> 1976
>> 1977 #
>> 1978 # These two indicate any level of the MIPS32 and MIPS64 architecture
>> 1979 #
>> 1980 config CPU_MIPS32
>> 1981 bool
>> 1982 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
>> 1983 CPU_MIPS32_R6 || CPU_P5600
>> 1984
>> 1985 config CPU_MIPS64
>> 1986 bool
>> 1987 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
>> 1988 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
>> 1989
>> 1990 #
>> 1991 # These indicate the revision of the architecture
>> 1992 #
>> 1993 config CPU_MIPSR1
>> 1994 bool
>> 1995 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
>> 1996
>> 1997 config CPU_MIPSR2
>> 1998 bool
>> 1999 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
>> 2000 select CPU_HAS_RIXI
>> 2001 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2002 select MIPS_SPRAM
>> 2003
>> 2004 config CPU_MIPSR5
>> 2005 bool
>> 2006 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
>> 2007 select CPU_HAS_RIXI
>> 2008 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2009 select MIPS_SPRAM
>> 2010
>> 2011 config CPU_MIPSR6
>> 2012 bool
>> 2013 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
>> 2014 select CPU_HAS_RIXI
>> 2015 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2016 select HAVE_ARCH_BITREVERSE
>> 2017 select MIPS_ASID_BITS_VARIABLE
>> 2018 select MIPS_CRC_SUPPORT
>> 2019 select MIPS_SPRAM
>> 2020
>> 2021 config TARGET_ISA_REV
>> 2022 int
>> 2023 default 1 if CPU_MIPSR1
>> 2024 default 2 if CPU_MIPSR2
>> 2025 default 5 if CPU_MIPSR5
>> 2026 default 6 if CPU_MIPSR6
781 default 0 2027 default 0
>> 2028 help
>> 2029 Reflects the ISA revision being targeted by the kernel build. This
>> 2030 is effectively the Kconfig equivalent of MIPS_ISA_REV.
782 2031
783 config ARCH_MEMORY_PROBE !! 2032 config EVA
784 def_bool y !! 2033 bool
785 depends on MEMORY_HOTPLUG !! 2034
>> 2035 config XPA
>> 2036 bool
>> 2037
>> 2038 config SYS_SUPPORTS_32BIT_KERNEL
>> 2039 bool
>> 2040 config SYS_SUPPORTS_64BIT_KERNEL
>> 2041 bool
>> 2042 config CPU_SUPPORTS_32BIT_KERNEL
>> 2043 bool
>> 2044 config CPU_SUPPORTS_64BIT_KERNEL
>> 2045 bool
>> 2046 config CPU_SUPPORTS_CPUFREQ
>> 2047 bool
>> 2048 config CPU_SUPPORTS_ADDRWINCFG
>> 2049 bool
>> 2050 config CPU_SUPPORTS_HUGEPAGES
>> 2051 bool
>> 2052 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
>> 2053 config MIPS_PGD_C0_CONTEXT
>> 2054 bool
>> 2055 depends on 64BIT
>> 2056 default y if (CPU_MIPSR2 || CPU_MIPSR6)
>> 2057
>> 2058 #
>> 2059 # Set to y for ptrace access to watch registers.
>> 2060 #
>> 2061 config HARDWARE_WATCHPOINTS
>> 2062 bool
>> 2063 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
>> 2064
>> 2065 menu "Kernel type"
786 2066
787 choice 2067 choice
788 prompt "Page size" !! 2068 prompt "Kernel code model"
789 default PPC_64K_PAGES if PPC_BOOK3S_64 !! 2069 help
790 default PPC_4K_PAGES !! 2070 You should only select this option if you have a workload that
791 help !! 2071 actually benefits from 64-bit processing or if your machine has
792 Select the kernel logical page size. !! 2072 large memory. You will only be presented a single option in this
793 will reduce software overhead at eac !! 2073 menu if your system does not support both 32-bit and 64-bit kernels.
794 hardware prefetch mechanisms to be m !! 2074
795 larger dma transfers increasing IO e !! 2075 config 32BIT
796 overhead. However the utilization of !! 2076 bool "32-bit kernel"
797 For example, each cached file will u !! 2077 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
798 page size to hold its contents and t !! 2078 select TRAD_SIGNALS
799 end of file and the end of page is w !! 2079 help
800 !! 2080 Select this option if you want to build a 32-bit kernel.
801 Some dedicated systems, such as soft !! 2081
802 accelerated calculations, have shown !! 2082 config 64BIT
803 !! 2083 bool "64-bit kernel"
804 If you configure a 64 bit kernel for !! 2084 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
805 processor does not support them, the !! 2085 help
806 them with 4k pages, loading them on !! 2086 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 2087
841 endchoice 2088 endchoice
842 2089
843 config THREAD_SHIFT !! 2090 config MIPS_VA_BITS_48
844 int "Thread shift" if EXPERT !! 2091 bool "48 bits virtual memory"
845 range 13 15 !! 2092 depends on 64BIT
846 default "15" if PPC_256K_PAGES !! 2093 help
847 default "15" if PPC_PSERIES || PPC_POW !! 2094 Support a maximum at least 48 bits of application virtual
848 default "14" if PPC64 !! 2095 memory. Default is 40 bits or less, depending on the CPU.
849 default "13" !! 2096 For page sizes 16k and above, this option results in a small
850 help !! 2097 memory overhead for page tables. For 4k page size, a fourth
851 Used to define the stack size. The d !! 2098 level of page tables is added which imposes both a memory
852 want. Only change this if you know w !! 2099 overhead as well as slower TLB fault handling.
853 !! 2100
854 config DATA_SHIFT_BOOL !! 2101 If unsure, say N.
855 bool "Set custom data alignment" !! 2102
856 depends on ADVANCED_OPTIONS !! 2103 config ZBOOT_LOAD_ADDRESS
857 depends on STRICT_KERNEL_RWX || DEBUG_ !! 2104 hex "Compressed kernel load address"
858 depends on (PPC_8xx && !PIN_TLB_DATA & !! 2105 default 0xffffffff80400000 if BCM47XX
859 PPC_BOOK3S_32 || PPC_85xx !! 2106 default 0x0
860 help !! 2107 depends on SYS_SUPPORTS_ZBOOT
861 This option allows you to set the ke !! 2108 help
862 RAM is mapped by blocks, the alignme !! 2109 The address to load compressed kernel, aka vmlinuz.
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 2110
915 Don't change if unsure. !! 2111 This is only used if non-zero.
916 2112
917 config PPC_SUBPAGE_PROT !! 2113 choice
918 bool "Support setting protections for !! 2114 prompt "Kernel page size"
919 default n !! 2115 default PAGE_SIZE_4KB
920 depends on PPC_64S_HASH_MMU && PPC_64K !! 2116
>> 2117 config PAGE_SIZE_4KB
>> 2118 bool "4kB"
>> 2119 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2120 help
>> 2121 This option select the standard 4kB Linux page size. On some
>> 2122 R3000-family processors this is the only available page size. Using
>> 2123 4kB page size will minimize memory consumption and is therefore
>> 2124 recommended for low memory systems.
>> 2125
>> 2126 config PAGE_SIZE_8KB
>> 2127 bool "8kB"
>> 2128 depends on CPU_CAVIUM_OCTEON
>> 2129 depends on !MIPS_VA_BITS_48
>> 2130 help
>> 2131 Using 8kB page size will result in higher performance kernel at
>> 2132 the price of higher memory consumption. This option is available
>> 2133 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2134 distribution to support this.
>> 2135
>> 2136 config PAGE_SIZE_16KB
>> 2137 bool "16kB"
>> 2138 depends on !CPU_R3000
>> 2139 help
>> 2140 Using 16kB page size will result in higher performance kernel at
>> 2141 the price of higher memory consumption. This option is available on
>> 2142 all non-R3000 family processors. Note that you will need a suitable
>> 2143 Linux distribution to support this.
>> 2144
>> 2145 config PAGE_SIZE_32KB
>> 2146 bool "32kB"
>> 2147 depends on CPU_CAVIUM_OCTEON
>> 2148 depends on !MIPS_VA_BITS_48
>> 2149 help
>> 2150 Using 32kB page size will result in higher performance kernel at
>> 2151 the price of higher memory consumption. This option is available
>> 2152 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2153 distribution to support this.
>> 2154
>> 2155 config PAGE_SIZE_64KB
>> 2156 bool "64kB"
>> 2157 depends on !CPU_R3000
>> 2158 help
>> 2159 Using 64kB page size will result in higher performance kernel at
>> 2160 the price of higher memory consumption. This option is available on
>> 2161 all non-R3000 family processor. Not that at the time of this
>> 2162 writing this option is still high experimental.
>> 2163
>> 2164 endchoice
>> 2165
>> 2166 config FORCE_MAX_ZONEORDER
>> 2167 int "Maximum zone order"
>> 2168 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2169 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2170 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2171 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2172 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2173 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2174 range 0 64
>> 2175 default "11"
921 help 2176 help
922 This option adds support for system !! 2177 The kernel memory allocator divides physically contiguous memory
923 to set access permissions (read/writ !! 2178 blocks into "zones", where each zone is a power of two number of
924 on the 4k subpages of each 64k page. !! 2179 pages. This option selects the largest power of two that the kernel
>> 2180 keeps in the memory allocator. If you need to allocate very large
>> 2181 blocks of physically contiguous memory, then you may need to
>> 2182 increase this value.
925 2183
926 If unsure, say N here. !! 2184 This config option is actually maximum order plus one. For example,
>> 2185 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2186
>> 2187 The page size is not necessarily 4KB. Keep this in mind
>> 2188 when choosing a value for this option.
>> 2189
>> 2190 config BOARD_SCACHE
>> 2191 bool
927 2192
928 config PPC_PROT_SAO_LPAR !! 2193 config IP22_CPU_SCACHE
929 bool "Support PROT_SAO mappings in LPA !! 2194 bool
930 depends on PPC_BOOK3S_64 !! 2195 select BOARD_SCACHE
>> 2196
>> 2197 #
>> 2198 # Support for a MIPS32 / MIPS64 style S-caches
>> 2199 #
>> 2200 config MIPS_CPU_SCACHE
>> 2201 bool
>> 2202 select BOARD_SCACHE
>> 2203
>> 2204 config R5000_CPU_SCACHE
>> 2205 bool
>> 2206 select BOARD_SCACHE
>> 2207
>> 2208 config RM7000_CPU_SCACHE
>> 2209 bool
>> 2210 select BOARD_SCACHE
>> 2211
>> 2212 config SIBYTE_DMA_PAGEOPS
>> 2213 bool "Use DMA to clear/copy pages"
>> 2214 depends on CPU_SB1
931 help 2215 help
932 This option adds support for PROT_SA !! 2216 Instead of using the CPU to zero and copy pages, use a Data Mover
933 inside LPARs on supported CPUs. !! 2217 channel. These DMA channels are otherwise unused by the standard
>> 2218 SiByte Linux port. Seems to give a small performance benefit.
>> 2219
>> 2220 config CPU_HAS_PREFETCH
>> 2221 bool
934 2222
935 This may cause issues when performin !! 2223 config CPU_GENERIC_DUMP_TLB
936 a CPU that supports SAO to one that !! 2224 bool
>> 2225 default y if !CPU_R3000
937 2226
938 If unsure, say N here. !! 2227 config MIPS_FP_SUPPORT
>> 2228 bool "Floating Point support" if EXPERT
>> 2229 default y
>> 2230 help
>> 2231 Select y to include support for floating point in the kernel
>> 2232 including initialization of FPU hardware, FP context save & restore
>> 2233 and emulation of an FPU where necessary. Without this support any
>> 2234 userland program attempting to use floating point instructions will
>> 2235 receive a SIGILL.
939 2236
940 config PPC_COPRO_BASE !! 2237 If you know that your userland will not attempt to use floating point
>> 2238 instructions then you can say n here to shrink the kernel a little.
>> 2239
>> 2240 If unsure, say y.
>> 2241
>> 2242 config CPU_R2300_FPU
>> 2243 bool
>> 2244 depends on MIPS_FP_SUPPORT
>> 2245 default y if CPU_R3000
>> 2246
>> 2247 config CPU_R3K_TLB
>> 2248 bool
>> 2249
>> 2250 config CPU_R4K_FPU
>> 2251 bool
>> 2252 depends on MIPS_FP_SUPPORT
>> 2253 default y if !CPU_R2300_FPU
>> 2254
>> 2255 config CPU_R4K_CACHE_TLB
>> 2256 bool
>> 2257 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
>> 2258
>> 2259 config MIPS_MT_SMP
>> 2260 bool "MIPS MT SMP support (1 TC on each available VPE)"
>> 2261 default y
>> 2262 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
>> 2263 select CPU_MIPSR2_IRQ_VI
>> 2264 select CPU_MIPSR2_IRQ_EI
>> 2265 select SYNC_R4K
>> 2266 select MIPS_MT
>> 2267 select SMP
>> 2268 select SMP_UP
>> 2269 select SYS_SUPPORTS_SMP
>> 2270 select SYS_SUPPORTS_SCHED_SMT
>> 2271 select MIPS_PERF_SHARED_TC_COUNTERS
>> 2272 help
>> 2273 This is a kernel model which is known as SMVP. This is supported
>> 2274 on cores with the MT ASE and uses the available VPEs to implement
>> 2275 virtual processors which supports SMP. This is equivalent to the
>> 2276 Intel Hyperthreading feature. For further information go to
>> 2277 <http://www.imgtec.com/mips/mips-multithreading.asp>.
>> 2278
>> 2279 config MIPS_MT
941 bool 2280 bool
942 2281
943 config SCHED_SMT 2282 config SCHED_SMT
944 bool "SMT (Hyperthreading) scheduler s !! 2283 bool "SMT (multithreading) scheduler support"
945 depends on PPC64 && SMP !! 2284 depends on SYS_SUPPORTS_SCHED_SMT
>> 2285 default n
946 help 2286 help
947 SMT scheduler support improves the C 2287 SMT scheduler support improves the CPU scheduler's decision making
948 when dealing with POWER5 cpus at a c !! 2288 when dealing with MIPS MT enabled cores at a cost of slightly
949 overhead in some places. If unsure s !! 2289 increased overhead in some places. If unsure say N here.
950 2290
951 config PPC_DENORMALISATION !! 2291 config SYS_SUPPORTS_SCHED_SMT
952 bool "PowerPC denormalisation exceptio !! 2292 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 2293
968 choice !! 2294 config SYS_SUPPORTS_MULTITHREADING
969 prompt "Kernel command line type" !! 2295 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 2296
994 endchoice !! 2297 config MIPS_MT_FPAFF
>> 2298 bool "Dynamic FPU affinity for FP-intensive threads"
>> 2299 default y
>> 2300 depends on MIPS_MT_SMP
995 2301
996 config EXTRA_TARGETS !! 2302 config MIPSR2_TO_R6_EMULATOR
997 string "Additional default image types !! 2303 bool "MIPS R2-to-R6 emulator"
>> 2304 depends on CPU_MIPSR6
>> 2305 depends on MIPS_FP_SUPPORT
>> 2306 default y
998 help 2307 help
999 List additional targets to be built !! 2308 Choose this option if you want to run non-R6 MIPS userland code.
1000 by spaces). This is useful for tar !! 2309 Even if you say 'Y' here, the emulator will still be disabled by
1001 files in the .dts directory. !! 2310 default. You can enable it using the 'mipsr2emu' kernel option.
>> 2311 The only reason this is a build-time option is to save ~14K from the
>> 2312 final kernel image.
1002 2313
1003 Targets in this list will be build !! 2314 config SYS_SUPPORTS_VPE_LOADER
1004 target, or when the user does a 'ma !! 2315 bool
1005 'make zImage.initrd'. !! 2316 depends on SYS_SUPPORTS_MULTITHREADING
>> 2317 help
>> 2318 Indicates that the platform supports the VPE loader, and provides
>> 2319 physical_memsize.
1006 2320
1007 If unsure, leave blank !! 2321 config MIPS_VPE_LOADER
>> 2322 bool "VPE loader support."
>> 2323 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
>> 2324 select CPU_MIPSR2_IRQ_VI
>> 2325 select CPU_MIPSR2_IRQ_EI
>> 2326 select MIPS_MT
>> 2327 help
>> 2328 Includes a loader for loading an elf relocatable object
>> 2329 onto another VPE and running it.
1008 2330
1009 config ARCH_WANTS_FREEZER_CONTROL !! 2331 config MIPS_VPE_LOADER_CMP
1010 def_bool y !! 2332 bool
1011 depends on ADB_PMU !! 2333 default "y"
>> 2334 depends on MIPS_VPE_LOADER && MIPS_CMP
1012 2335
1013 source "kernel/power/Kconfig" !! 2336 config MIPS_VPE_LOADER_MT
>> 2337 bool
>> 2338 default "y"
>> 2339 depends on MIPS_VPE_LOADER && !MIPS_CMP
1014 2340
1015 config PPC_MEM_KEYS !! 2341 config MIPS_VPE_LOADER_TOM
1016 prompt "PowerPC Memory Protection Key !! 2342 bool "Load VPE program into memory hidden from linux"
1017 def_bool y !! 2343 depends on MIPS_VPE_LOADER
1018 depends on PPC_BOOK3S_64 !! 2344 default y
1019 depends on PPC_64S_HASH_MMU !! 2345 help
1020 select ARCH_USES_HIGH_VMA_FLAGS !! 2346 The loader can use memory that is present but has been hidden from
1021 select ARCH_HAS_PKEYS !! 2347 Linux using the kernel command line option "mem=xxMB". It's up to
1022 help !! 2348 you to ensure the amount you put in the option and the space your
1023 Memory Protection Keys provides a m !! 2349 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 2350
1027 For details, see Documentation/core !! 2351 config MIPS_VPE_APSP_API
>> 2352 bool "Enable support for AP/SP API (RTLX)"
>> 2353 depends on MIPS_VPE_LOADER
1028 2354
1029 If unsure, say y. !! 2355 config MIPS_VPE_APSP_API_CMP
>> 2356 bool
>> 2357 default "y"
>> 2358 depends on MIPS_VPE_APSP_API && MIPS_CMP
1030 2359
1031 config ARCH_PKEY_BITS !! 2360 config MIPS_VPE_APSP_API_MT
1032 int !! 2361 bool
1033 default 5 !! 2362 default "y"
>> 2363 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2364
>> 2365 config MIPS_CMP
>> 2366 bool "MIPS CMP framework support (DEPRECATED)"
>> 2367 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2368 select SMP
>> 2369 select SYNC_R4K
>> 2370 select SYS_SUPPORTS_SMP
>> 2371 select WEAK_ORDERING
>> 2372 default n
>> 2373 help
>> 2374 Select this if you are using a bootloader which implements the "CMP
>> 2375 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2376 its ability to start secondary CPUs.
>> 2377
>> 2378 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2379 instead of this.
>> 2380
>> 2381 config MIPS_CPS
>> 2382 bool "MIPS Coherent Processing System support"
>> 2383 depends on SYS_SUPPORTS_MIPS_CPS
>> 2384 select MIPS_CM
>> 2385 select MIPS_CPS_PM if HOTPLUG_CPU
>> 2386 select SMP
>> 2387 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
>> 2388 select SYS_SUPPORTS_HOTPLUG_CPU
>> 2389 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
>> 2390 select SYS_SUPPORTS_SMP
>> 2391 select WEAK_ORDERING
>> 2392 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
>> 2393 help
>> 2394 Select this if you wish to run an SMP kernel across multiple cores
>> 2395 within a MIPS Coherent Processing System. When this option is
>> 2396 enabled the kernel will probe for other cores and boot them with
>> 2397 no external assistance. It is safe to enable this when hardware
>> 2398 support is unavailable.
>> 2399
>> 2400 config MIPS_CPS_PM
>> 2401 depends on MIPS_CPS
>> 2402 bool
1034 2403
1035 config PPC_SECURE_BOOT !! 2404 config MIPS_CM
1036 prompt "Enable secure boot support" <<
1037 bool 2405 bool
1038 depends on PPC_POWERNV || PPC_PSERIES !! 2406 select MIPS_CPC
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 2407
1048 config PPC_SECVAR_SYSFS !! 2408 config MIPS_CPC
1049 bool "Enable sysfs interface for POWE !! 2409 bool
>> 2410
>> 2411 config SB1_PASS_2_WORKAROUNDS
>> 2412 bool
>> 2413 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
>> 2414 default y
>> 2415
>> 2416 config SB1_PASS_2_1_WORKAROUNDS
>> 2417 bool
>> 2418 depends on CPU_SB1 && CPU_SB1_PASS_2
1050 default y 2419 default y
1051 depends on PPC_SECURE_BOOT !! 2420
1052 depends on SYSFS !! 2421 choice
>> 2422 prompt "SmartMIPS or microMIPS ASE support"
>> 2423
>> 2424 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
>> 2425 bool "None"
1053 help 2426 help
1054 POWER secure variables are managed !! 2427 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 2428
1059 endmenu !! 2429 config CPU_HAS_SMARTMIPS
>> 2430 depends on SYS_SUPPORTS_SMARTMIPS
>> 2431 bool "SmartMIPS"
>> 2432 help
>> 2433 SmartMIPS is a extension of the MIPS32 architecture aimed at
>> 2434 increased security at both hardware and software level for
>> 2435 smartcards. Enabling this option will allow proper use of the
>> 2436 SmartMIPS instructions by Linux applications. However a kernel with
>> 2437 this option will not work on a MIPS core without SmartMIPS core. If
>> 2438 you don't know you probably don't have SmartMIPS and should say N
>> 2439 here.
>> 2440
>> 2441 config CPU_MICROMIPS
>> 2442 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
>> 2443 bool "microMIPS"
>> 2444 help
>> 2445 When this option is enabled the kernel will be built using the
>> 2446 microMIPS ISA
1060 2447
1061 config ISA_DMA_API !! 2448 endchoice
>> 2449
>> 2450 config CPU_HAS_MSA
>> 2451 bool "Support for the MIPS SIMD Architecture"
>> 2452 depends on CPU_SUPPORTS_MSA
>> 2453 depends on MIPS_FP_SUPPORT
>> 2454 depends on 64BIT || MIPS_O32_FP64_SUPPORT
>> 2455 help
>> 2456 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
>> 2457 and a set of SIMD instructions to operate on them. When this option
>> 2458 is enabled the kernel will support allocating & switching MSA
>> 2459 vector register contexts. If you know that your kernel will only be
>> 2460 running on CPUs which do not support MSA or that your userland will
>> 2461 not be making use of it then you may wish to say N here to reduce
>> 2462 the size & complexity of your kernel.
>> 2463
>> 2464 If unsure, say Y.
>> 2465
>> 2466 config CPU_HAS_WB
1062 bool 2467 bool
1063 default PCI <<
1064 2468
1065 menu "Bus options" !! 2469 config XKS01
>> 2470 bool
1066 2471
1067 config ISA !! 2472 config CPU_HAS_DIEI
1068 bool "Support for ISA-bus hardware" !! 2473 depends on !CPU_DIEI_BROKEN
1069 depends on PPC_CHRP !! 2474 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 2475
1078 config GENERIC_ISA_DMA !! 2476 config CPU_DIEI_BROKEN
1079 bool 2477 bool
1080 depends on ISA_DMA_API <<
1081 default y <<
1082 2478
1083 config PPC_INDIRECT_PCI !! 2479 config CPU_HAS_RIXI
1084 bool 2480 bool
1085 depends on PCI <<
1086 default y if 44x <<
1087 2481
1088 config SBUS !! 2482 config CPU_NO_LOAD_STORE_LR
1089 bool 2483 bool
>> 2484 help
>> 2485 CPU lacks support for unaligned load and store instructions:
>> 2486 LWL, LWR, SWL, SWR (Load/store word left/right).
>> 2487 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
>> 2488 systems).
1090 2489
1091 config FSL_SOC !! 2490 #
>> 2491 # Vectored interrupt mode is an R2 feature
>> 2492 #
>> 2493 config CPU_MIPSR2_IRQ_VI
1092 bool 2494 bool
1093 2495
1094 config FSL_PCI !! 2496 #
>> 2497 # Extended interrupt mode is an R2 feature
>> 2498 #
>> 2499 config CPU_MIPSR2_IRQ_EI
1095 bool 2500 bool
1096 select ARCH_HAS_DMA_SET_MASK <<
1097 select PPC_INDIRECT_PCI <<
1098 select PCI_QUIRKS <<
1099 2501
1100 config FSL_PMC !! 2502 config CPU_HAS_SYNC
1101 bool 2503 bool
>> 2504 depends on !CPU_R3000
1102 default y 2505 default y
1103 depends on SUSPEND && (PPC_85xx || PP !! 2506
>> 2507 #
>> 2508 # CPU non-features
>> 2509 #
>> 2510
>> 2511 # Work around the "daddi" and "daddiu" CPU errata:
>> 2512 #
>> 2513 # - The `daddi' instruction fails to trap on overflow.
>> 2514 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
>> 2515 # erratum #23
>> 2516 #
>> 2517 # - The `daddiu' instruction can produce an incorrect result.
>> 2518 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
>> 2519 # erratum #41
>> 2520 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
>> 2521 # #15
>> 2522 # "MIPS R4400PC/SC Errata, Processor Revision 1.0", erratum #7
>> 2523 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #5
>> 2524 config CPU_DADDI_WORKAROUNDS
>> 2525 bool
>> 2526
>> 2527 # Work around certain R4000 CPU errata (as implemented by GCC):
>> 2528 #
>> 2529 # - A double-word or a variable shift may give an incorrect result
>> 2530 # if executed immediately after starting an integer division:
>> 2531 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
>> 2532 # erratum #28
>> 2533 # "MIPS R4000MC Errata, Processor Revision 2.2 and 3.0", erratum
>> 2534 # #19
>> 2535 #
>> 2536 # - A double-word or a variable shift may give an incorrect result
>> 2537 # if executed while an integer multiplication is in progress:
>> 2538 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
>> 2539 # errata #16 & #28
>> 2540 #
>> 2541 # - An integer division may give an incorrect result if started in
>> 2542 # a delay slot of a taken branch or a jump:
>> 2543 # "MIPS R4000PC/SC Errata, Processor Revision 2.2 and 3.0",
>> 2544 # erratum #52
>> 2545 config CPU_R4000_WORKAROUNDS
>> 2546 bool
>> 2547 select CPU_R4400_WORKAROUNDS
>> 2548
>> 2549 # Work around certain R4400 CPU errata (as implemented by GCC):
>> 2550 #
>> 2551 # - A double-word or a variable shift may give an incorrect result
>> 2552 # if executed immediately after starting an integer division:
>> 2553 # "MIPS R4400MC Errata, Processor Revision 1.0", erratum #10
>> 2554 # "MIPS R4400MC Errata, Processor Revision 2.0 & 3.0", erratum #4
>> 2555 config CPU_R4400_WORKAROUNDS
>> 2556 bool
>> 2557
>> 2558 config CPU_R4X00_BUGS64
>> 2559 bool
>> 2560 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
>> 2561
>> 2562 config MIPS_ASID_SHIFT
>> 2563 int
>> 2564 default 6 if CPU_R3000
>> 2565 default 0
>> 2566
>> 2567 config MIPS_ASID_BITS
>> 2568 int
>> 2569 default 0 if MIPS_ASID_BITS_VARIABLE
>> 2570 default 6 if CPU_R3000
>> 2571 default 8
>> 2572
>> 2573 config MIPS_ASID_BITS_VARIABLE
>> 2574 bool
>> 2575
>> 2576 config MIPS_CRC_SUPPORT
>> 2577 bool
>> 2578
>> 2579 # R4600 erratum. Due to the lack of errata information the exact
>> 2580 # technical details aren't known. I've experimentally found that disabling
>> 2581 # interrupts during indexed I-cache flushes seems to be sufficient to deal
>> 2582 # with the issue.
>> 2583 config WAR_R4600_V1_INDEX_ICACHEOP
>> 2584 bool
>> 2585
>> 2586 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
>> 2587 #
>> 2588 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
>> 2589 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
>> 2590 # executed if there is no other dcache activity. If the dcache is
>> 2591 # accessed for another instruction immediately preceding when these
>> 2592 # cache instructions are executing, it is possible that the dcache
>> 2593 # tag match outputs used by these cache instructions will be
>> 2594 # incorrect. These cache instructions should be preceded by at least
>> 2595 # four instructions that are not any kind of load or store
>> 2596 # instruction.
>> 2597 #
>> 2598 # This is not allowed: lw
>> 2599 # nop
>> 2600 # nop
>> 2601 # nop
>> 2602 # cache Hit_Writeback_Invalidate_D
>> 2603 #
>> 2604 # This is allowed: lw
>> 2605 # nop
>> 2606 # nop
>> 2607 # nop
>> 2608 # nop
>> 2609 # cache Hit_Writeback_Invalidate_D
>> 2610 config WAR_R4600_V1_HIT_CACHEOP
>> 2611 bool
>> 2612
>> 2613 # Writeback and invalidate the primary cache dcache before DMA.
>> 2614 #
>> 2615 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
>> 2616 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
>> 2617 # operate correctly if the internal data cache refill buffer is empty. These
>> 2618 # CACHE instructions should be separated from any potential data cache miss
>> 2619 # by a load instruction to an uncached address to empty the response buffer."
>> 2620 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
>> 2621 # in .pdf format.)
>> 2622 config WAR_R4600_V2_HIT_CACHEOP
>> 2623 bool
>> 2624
>> 2625 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
>> 2626 # the line which this instruction itself exists, the following
>> 2627 # operation is not guaranteed."
>> 2628 #
>> 2629 # Workaround: do two phase flushing for Index_Invalidate_I
>> 2630 config WAR_TX49XX_ICACHE_INDEX_INV
>> 2631 bool
>> 2632
>> 2633 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
>> 2634 # opposes it being called that) where invalid instructions in the same
>> 2635 # I-cache line worth of instructions being fetched may case spurious
>> 2636 # exceptions.
>> 2637 config WAR_ICACHE_REFILLS
>> 2638 bool
>> 2639
>> 2640 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
>> 2641 # may cause ll / sc and lld / scd sequences to execute non-atomically.
>> 2642 config WAR_R10000_LLSC
>> 2643 bool
>> 2644
>> 2645 # 34K core erratum: "Problems Executing the TLBR Instruction"
>> 2646 config WAR_MIPS34K_MISSED_ITLB
>> 2647 bool
>> 2648
>> 2649 #
>> 2650 # - Highmem only makes sense for the 32-bit kernel.
>> 2651 # - The current highmem code will only work properly on physically indexed
>> 2652 # caches such as R3000, SB1, R7000 or those that look like they're virtually
>> 2653 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
>> 2654 # moment we protect the user and offer the highmem option only on machines
>> 2655 # where it's known to be safe. This will not offer highmem on a few systems
>> 2656 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
>> 2657 # indexed CPUs but we're playing safe.
>> 2658 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
>> 2659 # know they might have memory configurations that could make use of highmem
>> 2660 # support.
>> 2661 #
>> 2662 config HIGHMEM
>> 2663 bool "High Memory Support"
>> 2664 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
>> 2665 select KMAP_LOCAL
>> 2666
>> 2667 config CPU_SUPPORTS_HIGHMEM
>> 2668 bool
>> 2669
>> 2670 config SYS_SUPPORTS_HIGHMEM
>> 2671 bool
>> 2672
>> 2673 config SYS_SUPPORTS_SMARTMIPS
>> 2674 bool
>> 2675
>> 2676 config SYS_SUPPORTS_MICROMIPS
>> 2677 bool
>> 2678
>> 2679 config SYS_SUPPORTS_MIPS16
>> 2680 bool
1104 help 2681 help
1105 Freescale MPC85xx/MPC86xx power man !! 2682 This option must be set if a kernel might be executed on a MIPS16-
1106 (suspend/resume). For MPC83xx see p !! 2683 enabled CPU even if MIPS16 is not actually being used. In other
>> 2684 words, it makes the kernel MIPS16-tolerant.
>> 2685
>> 2686 config CPU_SUPPORTS_MSA
>> 2687 bool
>> 2688
>> 2689 config ARCH_FLATMEM_ENABLE
>> 2690 def_bool y
>> 2691 depends on !NUMA && !CPU_LOONGSON2EF
>> 2692
>> 2693 config ARCH_SPARSEMEM_ENABLE
>> 2694 bool
>> 2695 select SPARSEMEM_STATIC if !SGI_IP27
>> 2696
>> 2697 config NUMA
>> 2698 bool "NUMA Support"
>> 2699 depends on SYS_SUPPORTS_NUMA
>> 2700 select SMP
>> 2701 select HAVE_SETUP_PER_CPU_AREA
>> 2702 select NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2703 help
>> 2704 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 2705 Access). This option improves performance on systems with more
>> 2706 than two nodes; on two node systems it is generally better to
>> 2707 leave it disabled; on single node systems leave this option
>> 2708 disabled.
>> 2709
>> 2710 config SYS_SUPPORTS_NUMA
>> 2711 bool
1107 2712
1108 config PPC4xx_CPM !! 2713 config HAVE_ARCH_NODEDATA_EXTENSION
1109 bool 2714 bool
>> 2715
>> 2716 config RELOCATABLE
>> 2717 bool "Relocatable kernel"
>> 2718 depends on SYS_SUPPORTS_RELOCATABLE
>> 2719 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
>> 2720 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
>> 2721 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
>> 2722 CPU_P5600 || CAVIUM_OCTEON_SOC || \
>> 2723 CPU_LOONGSON64
>> 2724 help
>> 2725 This builds a kernel image that retains relocation information
>> 2726 so it can be loaded someplace besides the default 1MB.
>> 2727 The relocations make the kernel binary about 15% larger,
>> 2728 but are discarded at runtime
>> 2729
>> 2730 config RELOCATION_TABLE_SIZE
>> 2731 hex "Relocation table size"
>> 2732 depends on RELOCATABLE
>> 2733 range 0x0 0x01000000
>> 2734 default "0x00200000" if CPU_LOONGSON64
>> 2735 default "0x00100000"
>> 2736 help
>> 2737 A table of relocation data will be appended to the kernel binary
>> 2738 and parsed at boot to fix up the relocated kernel.
>> 2739
>> 2740 This option allows the amount of space reserved for the table to be
>> 2741 adjusted, although the default of 1Mb should be ok in most cases.
>> 2742
>> 2743 The build will fail and a valid size suggested if this is too small.
>> 2744
>> 2745 If unsure, leave at the default value.
>> 2746
>> 2747 config RANDOMIZE_BASE
>> 2748 bool "Randomize the address of the kernel image"
>> 2749 depends on RELOCATABLE
>> 2750 help
>> 2751 Randomizes the physical and virtual address at which the
>> 2752 kernel image is loaded, as a security feature that
>> 2753 deters exploit attempts relying on knowledge of the location
>> 2754 of kernel internals.
>> 2755
>> 2756 Entropy is generated using any coprocessor 0 registers available.
>> 2757
>> 2758 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
>> 2759
>> 2760 If unsure, say N.
>> 2761
>> 2762 config RANDOMIZE_BASE_MAX_OFFSET
>> 2763 hex "Maximum kASLR offset" if EXPERT
>> 2764 depends on RANDOMIZE_BASE
>> 2765 range 0x0 0x40000000 if EVA || 64BIT
>> 2766 range 0x0 0x08000000
>> 2767 default "0x01000000"
>> 2768 help
>> 2769 When kASLR is active, this provides the maximum offset that will
>> 2770 be applied to the kernel image. It should be set according to the
>> 2771 amount of physical RAM available in the target system minus
>> 2772 PHYSICAL_START and must be a power of 2.
>> 2773
>> 2774 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
>> 2775 EVA or 64-bit. The default is 16Mb.
>> 2776
>> 2777 config NODES_SHIFT
>> 2778 int
>> 2779 default "6"
>> 2780 depends on NUMA
>> 2781
>> 2782 config HW_PERF_EVENTS
>> 2783 bool "Enable hardware performance counter support for perf events"
>> 2784 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
1110 default y 2785 default y
1111 depends on SUSPEND && 44x <<
1112 help 2786 help
1113 PPC4xx Clock Power Management (CPM) !! 2787 Enable hardware performance counter support for perf events. If
1114 It also enables support for two dif !! 2788 disabled, perf events will use software events only.
1115 and idle-doze). <<
1116 2789
1117 config FSL_LBC !! 2790 config DMI
1118 bool "Freescale Local Bus support" !! 2791 bool "Enable DMI scanning"
>> 2792 depends on MACH_LOONGSON64
>> 2793 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
>> 2794 default y
1119 help 2795 help
1120 Enables reporting of errors from th !! 2796 Enabled scanning of DMI to identify machine quirks. Say Y
1121 controller. Also contains some com !! 2797 here unless you have verified that your setup is not
1122 drivers for specific local bus peri !! 2798 affected by entries in the DMI blacklist. Required by PNP
>> 2799 BIOS code.
1123 2800
1124 config FSL_GTM !! 2801 config SMP
1125 bool !! 2802 bool "Multi-Processing support"
1126 depends on PPC_83xx || QUICC_ENGINE | !! 2803 depends on SYS_SUPPORTS_SMP
1127 help 2804 help
1128 Freescale General-purpose Timers su !! 2805 This enables support for systems with more than one CPU. If you have
>> 2806 a system with only one CPU, say N. If you have a system with more
>> 2807 than one CPU, say Y.
1129 2808
1130 config FSL_RIO !! 2809 If you say N here, the kernel will run on uni- and multiprocessor
1131 bool "Freescale Embedded SRIO Control !! 2810 machines, but will use only one CPU of a multiprocessor machine. If
1132 depends on RAPIDIO = y && HAVE_RAPIDI !! 2811 you say Y here, the kernel will run on many, but not all,
1133 default "n" !! 2812 uniprocessor machines. On a uniprocessor machine, the kernel
>> 2813 will run faster if you say N here.
>> 2814
>> 2815 People using multiprocessor machines who say Y here should also say
>> 2816 Y to "Enhanced Real Time Clock Support", below.
>> 2817
>> 2818 See also the SMP-HOWTO available at
>> 2819 <https://www.tldp.org/docs.html#howto>.
>> 2820
>> 2821 If you don't know what to do here, say N.
>> 2822
>> 2823 config HOTPLUG_CPU
>> 2824 bool "Support for hot-pluggable CPUs"
>> 2825 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1134 help 2826 help
1135 Include support for RapidIO control !! 2827 Say Y here to allow turning CPUs off and on. CPUs can be
1136 processors (MPC8548, MPC8641, etc). !! 2828 controlled through /sys/devices/system/cpu.
>> 2829 (Note: power management support will enable this option
>> 2830 automatically on SMP systems. )
>> 2831 Say N if you want to disable CPU hotplug.
1137 2832
1138 endmenu !! 2833 config SMP_UP
>> 2834 bool
1139 2835
1140 config NONSTATIC_KERNEL !! 2836 config SYS_SUPPORTS_MIPS_CMP
1141 bool 2837 bool
1142 2838
1143 menu "Advanced setup" !! 2839 config SYS_SUPPORTS_MIPS_CPS
1144 depends on PPC32 !! 2840 bool
1145 2841
1146 config ADVANCED_OPTIONS !! 2842 config SYS_SUPPORTS_SMP
1147 bool "Prompt for advanced kernel conf !! 2843 bool
>> 2844
>> 2845 config NR_CPUS_DEFAULT_4
>> 2846 bool
>> 2847
>> 2848 config NR_CPUS_DEFAULT_8
>> 2849 bool
>> 2850
>> 2851 config NR_CPUS_DEFAULT_16
>> 2852 bool
>> 2853
>> 2854 config NR_CPUS_DEFAULT_32
>> 2855 bool
>> 2856
>> 2857 config NR_CPUS_DEFAULT_64
>> 2858 bool
>> 2859
>> 2860 config NR_CPUS
>> 2861 int "Maximum number of CPUs (2-256)"
>> 2862 range 2 256
>> 2863 depends on SMP
>> 2864 default "4" if NR_CPUS_DEFAULT_4
>> 2865 default "8" if NR_CPUS_DEFAULT_8
>> 2866 default "16" if NR_CPUS_DEFAULT_16
>> 2867 default "32" if NR_CPUS_DEFAULT_32
>> 2868 default "64" if NR_CPUS_DEFAULT_64
1148 help 2869 help
1149 This option will enable prompting f !! 2870 This allows you to specify the maximum number of CPUs which this
1150 configuration options. These optio !! 2871 kernel will support. The maximum supported value is 32 for 32-bit
1151 work if they are set incorrectly, b !! 2872 kernel and 64 for 64-bit kernels; the minimum value which makes
1152 aspects of kernel memory management !! 2873 sense is 1 for Qemu (useful only for kernel debugging purposes)
>> 2874 and 2 for all others.
1153 2875
1154 Unless you know what you are doing, !! 2876 This is purely to save memory - each supported CPU adds
>> 2877 approximately eight kilobytes to the kernel image. For best
>> 2878 performance should round up your number of processors to the next
>> 2879 power of two.
1155 2880
1156 comment "Default settings for advanced config !! 2881 config MIPS_PERF_SHARED_TC_COUNTERS
1157 depends on !ADVANCED_OPTIONS !! 2882 bool
>> 2883
>> 2884 config MIPS_NR_CPU_NR_MAP_1024
>> 2885 bool
>> 2886
>> 2887 config MIPS_NR_CPU_NR_MAP
>> 2888 int
>> 2889 depends on SMP
>> 2890 default 1024 if MIPS_NR_CPU_NR_MAP_1024
>> 2891 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
1158 2892
1159 config LOWMEM_SIZE_BOOL !! 2893 #
1160 bool "Set maximum low memory" !! 2894 # Timer Interrupt Frequency Configuration
1161 depends on ADVANCED_OPTIONS !! 2895 #
>> 2896
>> 2897 choice
>> 2898 prompt "Timer frequency"
>> 2899 default HZ_250
1162 help 2900 help
1163 This option allows you to set the m !! 2901 Allows the configuration of the timer frequency.
1164 will be used as "low memory", that !! 2902
1165 access directly, without having to !! 2903 config HZ_24
1166 This can be useful in optimizing th !! 2904 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
1167 memory. !! 2905
>> 2906 config HZ_48
>> 2907 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2908
>> 2909 config HZ_100
>> 2910 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
1168 2911
1169 Say N here unless you know what you !! 2912 config HZ_128
>> 2913 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1170 2914
1171 config LOWMEM_SIZE !! 2915 config HZ_250
1172 hex "Maximum low memory size (in byte !! 2916 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1173 default "0x30000000" <<
1174 2917
1175 config LOWMEM_CAM_NUM_BOOL !! 2918 config HZ_256
1176 bool "Set number of CAMs to use to ma !! 2919 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1177 depends on ADVANCED_OPTIONS && PPC_85 !! 2920
>> 2921 config HZ_1000
>> 2922 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2923
>> 2924 config HZ_1024
>> 2925 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2926
>> 2927 endchoice
>> 2928
>> 2929 config SYS_SUPPORTS_24HZ
>> 2930 bool
>> 2931
>> 2932 config SYS_SUPPORTS_48HZ
>> 2933 bool
>> 2934
>> 2935 config SYS_SUPPORTS_100HZ
>> 2936 bool
>> 2937
>> 2938 config SYS_SUPPORTS_128HZ
>> 2939 bool
>> 2940
>> 2941 config SYS_SUPPORTS_250HZ
>> 2942 bool
>> 2943
>> 2944 config SYS_SUPPORTS_256HZ
>> 2945 bool
>> 2946
>> 2947 config SYS_SUPPORTS_1000HZ
>> 2948 bool
>> 2949
>> 2950 config SYS_SUPPORTS_1024HZ
>> 2951 bool
>> 2952
>> 2953 config SYS_SUPPORTS_ARBIT_HZ
>> 2954 bool
>> 2955 default y if !SYS_SUPPORTS_24HZ && \
>> 2956 !SYS_SUPPORTS_48HZ && \
>> 2957 !SYS_SUPPORTS_100HZ && \
>> 2958 !SYS_SUPPORTS_128HZ && \
>> 2959 !SYS_SUPPORTS_250HZ && \
>> 2960 !SYS_SUPPORTS_256HZ && \
>> 2961 !SYS_SUPPORTS_1000HZ && \
>> 2962 !SYS_SUPPORTS_1024HZ
>> 2963
>> 2964 config HZ
>> 2965 int
>> 2966 default 24 if HZ_24
>> 2967 default 48 if HZ_48
>> 2968 default 100 if HZ_100
>> 2969 default 128 if HZ_128
>> 2970 default 250 if HZ_250
>> 2971 default 256 if HZ_256
>> 2972 default 1000 if HZ_1000
>> 2973 default 1024 if HZ_1024
>> 2974
>> 2975 config SCHED_HRTICK
>> 2976 def_bool HIGH_RES_TIMERS
>> 2977
>> 2978 config KEXEC
>> 2979 bool "Kexec system call"
>> 2980 select KEXEC_CORE
>> 2981 help
>> 2982 kexec is a system call that implements the ability to shutdown your
>> 2983 current kernel, and to start another kernel. It is like a reboot
>> 2984 but it is independent of the system firmware. And like a reboot
>> 2985 you can start any kernel with it, not just Linux.
>> 2986
>> 2987 The name comes from the similarity to the exec system call.
>> 2988
>> 2989 It is an ongoing process to be certain the hardware in a machine
>> 2990 is properly shutdown, so do not be surprised if this code does not
>> 2991 initially work for you. As of this writing the exact hardware
>> 2992 interface is strongly in flux, so no good recommendation can be
>> 2993 made.
>> 2994
>> 2995 config CRASH_DUMP
>> 2996 bool "Kernel crash dumps"
>> 2997 help
>> 2998 Generate crash dump after being started by kexec.
>> 2999 This should be normally only set in special crash dump kernels
>> 3000 which are loaded in the main kernel with kexec-tools into
>> 3001 a specially reserved region and then later executed after
>> 3002 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 3003 to a memory address not used by the main kernel or firmware using
>> 3004 PHYSICAL_START.
>> 3005
>> 3006 config PHYSICAL_START
>> 3007 hex "Physical address where the kernel is loaded"
>> 3008 default "0xffffffff84000000"
>> 3009 depends on CRASH_DUMP
1178 help 3010 help
1179 This option allows you to set the m !! 3011 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
1180 will be used to map low memory. Th !! 3012 If you plan to use kernel for capturing the crash dump change
1181 available and even more limited num !! 3013 this value to start of the reserved region (the "X" value as
1182 However, using more entries will al !! 3014 specified in the "crashkernel=YM@XM" command line boot parameter
1183 can be useful in optimizing the lay !! 3015 passed to the panic-ed kernel).
>> 3016
>> 3017 config MIPS_O32_FP64_SUPPORT
>> 3018 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
>> 3019 depends on 32BIT || MIPS32_O32
>> 3020 help
>> 3021 When this is enabled, the kernel will support use of 64-bit floating
>> 3022 point registers with binaries using the O32 ABI along with the
>> 3023 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
>> 3024 32-bit MIPS systems this support is at the cost of increasing the
>> 3025 size and complexity of the compiled FPU emulator. Thus if you are
>> 3026 running a MIPS32 system and know that none of your userland binaries
>> 3027 will require 64-bit floating point, you may wish to reduce the size
>> 3028 of your kernel & potentially improve FP emulation performance by
>> 3029 saying N here.
>> 3030
>> 3031 Although binutils currently supports use of this flag the details
>> 3032 concerning its effect upon the O32 ABI in userland are still being
>> 3033 worked on. In order to avoid userland becoming dependent upon current
>> 3034 behaviour before the details have been finalised, this option should
>> 3035 be considered experimental and only enabled by those working upon
>> 3036 said details.
1184 3037
1185 Say N here unless you know what you !! 3038 If unsure, say N.
1186 3039
1187 config LOWMEM_CAM_NUM !! 3040 config USE_OF
1188 depends on PPC_85xx !! 3041 bool
1189 int "Number of CAMs to use to map low !! 3042 select OF
1190 default 3 if !STRICT_KERNEL_RWX !! 3043 select OF_EARLY_FLATTREE
1191 default 9 if DATA_SHIFT >= 24 !! 3044 select IRQ_DOMAIN
1192 default 12 if DATA_SHIFT >= 22 !! 3045
>> 3046 config UHI_BOOT
>> 3047 bool
>> 3048
>> 3049 config BUILTIN_DTB
>> 3050 bool
>> 3051
>> 3052 choice
>> 3053 prompt "Kernel appended dtb support" if USE_OF
>> 3054 default MIPS_NO_APPENDED_DTB
>> 3055
>> 3056 config MIPS_NO_APPENDED_DTB
>> 3057 bool "None"
>> 3058 help
>> 3059 Do not enable appended dtb support.
>> 3060
>> 3061 config MIPS_ELF_APPENDED_DTB
>> 3062 bool "vmlinux"
>> 3063 help
>> 3064 With this option, the boot code will look for a device tree binary
>> 3065 DTB) included in the vmlinux ELF section .appended_dtb. By default
>> 3066 it is empty and the DTB can be appended using binutils command
>> 3067 objcopy:
>> 3068
>> 3069 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
>> 3070
>> 3071 This is meant as a backward compatibility convenience for those
>> 3072 systems with a bootloader that can't be upgraded to accommodate
>> 3073 the documented boot protocol using a device tree.
>> 3074
>> 3075 config MIPS_RAW_APPENDED_DTB
>> 3076 bool "vmlinux.bin or vmlinuz.bin"
>> 3077 help
>> 3078 With this option, the boot code will look for a device tree binary
>> 3079 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
>> 3080 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
>> 3081
>> 3082 This is meant as a backward compatibility convenience for those
>> 3083 systems with a bootloader that can't be upgraded to accommodate
>> 3084 the documented boot protocol using a device tree.
>> 3085
>> 3086 Beware that there is very little in terms of protection against
>> 3087 this option being confused by leftover garbage in memory that might
>> 3088 look like a DTB header after a reboot if no actual DTB is appended
>> 3089 to vmlinux.bin. Do not leave this option active in a production kernel
>> 3090 if you don't intend to always append a DTB.
>> 3091 endchoice
>> 3092
>> 3093 choice
>> 3094 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
>> 3095 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
>> 3096 !MACH_LOONGSON64 && !MIPS_MALTA && \
>> 3097 !CAVIUM_OCTEON_SOC
>> 3098 default MIPS_CMDLINE_FROM_BOOTLOADER
>> 3099
>> 3100 config MIPS_CMDLINE_FROM_DTB
>> 3101 depends on USE_OF
>> 3102 bool "Dtb kernel arguments if available"
>> 3103
>> 3104 config MIPS_CMDLINE_DTB_EXTEND
>> 3105 depends on USE_OF
>> 3106 bool "Extend dtb kernel arguments with bootloader arguments"
>> 3107
>> 3108 config MIPS_CMDLINE_FROM_BOOTLOADER
>> 3109 bool "Bootloader kernel arguments if available"
>> 3110
>> 3111 config MIPS_CMDLINE_BUILTIN_EXTEND
>> 3112 depends on CMDLINE_BOOL
>> 3113 bool "Extend builtin kernel arguments with bootloader arguments"
>> 3114 endchoice
>> 3115
>> 3116 endmenu
>> 3117
>> 3118 config LOCKDEP_SUPPORT
>> 3119 bool
>> 3120 default y
>> 3121
>> 3122 config STACKTRACE_SUPPORT
>> 3123 bool
>> 3124 default y
>> 3125
>> 3126 config PGTABLE_LEVELS
>> 3127 int
>> 3128 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
>> 3129 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
>> 3130 default 2
>> 3131
>> 3132 config MIPS_AUTO_PFN_OFFSET
>> 3133 bool
>> 3134
>> 3135 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
>> 3136
>> 3137 config PCI_DRIVERS_GENERIC
>> 3138 select PCI_DOMAINS_GENERIC if PCI
>> 3139 bool
>> 3140
>> 3141 config PCI_DRIVERS_LEGACY
>> 3142 def_bool !PCI_DRIVERS_GENERIC
>> 3143 select NO_GENERIC_PCI_IOPORT_MAP
>> 3144 select PCI_DOMAINS if PCI
>> 3145
>> 3146 #
>> 3147 # ISA support is now enabled via select. Too many systems still have the one
>> 3148 # or other ISA chip on the board that users don't know about so don't expect
>> 3149 # users to choose the right thing ...
>> 3150 #
>> 3151 config ISA
>> 3152 bool
>> 3153
>> 3154 config TC
>> 3155 bool "TURBOchannel support"
>> 3156 depends on MACH_DECSTATION
>> 3157 help
>> 3158 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
>> 3159 processors. TURBOchannel programming specifications are available
>> 3160 at:
>> 3161 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
>> 3162 and:
>> 3163 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
>> 3164 Linux driver support status is documented at:
>> 3165 <http://www.linux-mips.org/wiki/DECstation>
>> 3166
>> 3167 config MMU
>> 3168 bool
>> 3169 default y
>> 3170
>> 3171 config ARCH_MMAP_RND_BITS_MIN
>> 3172 default 12 if 64BIT
>> 3173 default 8
>> 3174
>> 3175 config ARCH_MMAP_RND_BITS_MAX
>> 3176 default 18 if 64BIT
1193 default 15 3177 default 15
1194 3178
1195 config DYNAMIC_MEMSTART !! 3179 config ARCH_MMAP_RND_COMPAT_BITS_MIN
1196 bool "Enable page aligned dynamic loa !! 3180 default 8
1197 depends on ADVANCED_OPTIONS && FLATME !! 3181
1198 select NONSTATIC_KERNEL !! 3182 config ARCH_MMAP_RND_COMPAT_BITS_MAX
1199 help !! 3183 default 15
1200 This option enables the kernel to b !! 3184
1201 physical address. The kernel create !! 3185 config I8253
1202 the address where the kernel is loa !! 3186 bool
1203 the TLB page size of the mapping fo !! 3187 select CLKSRC_I8253
1204 Please refer to the init code for f !! 3188 select CLKEVT_I8253
1205 !! 3189 select MIPS_EXTERNAL_TIMER
1206 DYNAMIC_MEMSTART is an easy way of !! 3190 endmenu
1207 kernel image, where the only restri !! 3191
1208 load address. When this option is e !! 3192 config TRAD_SIGNALS
1209 address CONFIG_PHYSICAL_START is ig !! 3193 bool
1210 !! 3194
1211 This option is overridden by CONFIG !! 3195 config MIPS32_COMPAT
1212 !! 3196 bool
1213 config PAGE_OFFSET_BOOL !! 3197
1214 bool "Set custom page offset address" !! 3198 config COMPAT
1215 depends on ADVANCED_OPTIONS !! 3199 bool
1216 help !! 3200
1217 This option allows you to set the k !! 3201 config MIPS32_O32
1218 the kernel will map low memory. Th !! 3202 bool "Kernel support for o32 binaries"
1219 the virtual memory layout of the sy !! 3203 depends on 64BIT
1220 !! 3204 select ARCH_WANT_OLD_COMPAT_IPC
1221 Say N here unless you know what you !! 3205 select COMPAT
1222 !! 3206 select MIPS32_COMPAT
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 3207 help
1248 This gives the physical address whe !! 3208 Select this option if you want to run o32 binaries. These are pure
>> 3209 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
>> 3210 existing binaries are in this format.
1249 3211
1250 Say N here unless you know what you !! 3212 If unsure, say Y.
1251 3213
1252 config PHYSICAL_START !! 3214 config MIPS32_N32
1253 hex "Physical address where the kerne !! 3215 bool "Kernel support for n32 binaries"
1254 default "0x02000000" if PPC_BOOK3S && !! 3216 depends on 64BIT
1255 default "0x00000000" !! 3217 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
1256 !! 3218 select COMPAT
1257 config PHYSICAL_ALIGN !! 3219 select MIPS32_COMPAT
1258 hex !! 3220 help
1259 default "0x04000000" if PPC_85xx !! 3221 Select this option if you want to run n32 binaries. These are
1260 help !! 3222 64-bit binaries using 32-bit quantities for addressing and certain
1261 This value puts the alignment restr !! 3223 data that would normally be 64-bit. They are used in special
1262 where kernel is loaded and run from !! 3224 cases.
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 3225
1299 endmenu !! 3226 If unsure, say N.
1300 3227
1301 if PPC64 !! 3228 config CC_HAS_MNO_BRANCH_LIKELY
1302 # This value must have zeroes in the bottom 6 !! 3229 def_bool y
1303 config PAGE_OFFSET !! 3230 depends on $(cc-option,-mno-branch-likely)
1304 hex !! 3231
1305 default "0xc000000000000000" !! 3232 menu "Power management options"
1306 config KERNEL_START !! 3233
1307 hex !! 3234 config ARCH_HIBERNATION_POSSIBLE
1308 default "0xc000000000000000" !! 3235 def_bool y
1309 config PHYSICAL_START !! 3236 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
1310 hex !! 3237
1311 default "0x00000000" !! 3238 config ARCH_SUSPEND_POSSIBLE
1312 endif !! 3239 def_bool y
>> 3240 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
>> 3241
>> 3242 source "kernel/power/Kconfig"
>> 3243
>> 3244 endmenu
1313 3245
1314 config PPC_LIB_RHEAP !! 3246 config MIPS_EXTERNAL_TIMER
1315 bool 3247 bool
1316 3248
1317 source "arch/powerpc/kvm/Kconfig" !! 3249 menu "CPU Power Management"
>> 3250
>> 3251 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
>> 3252 source "drivers/cpufreq/Kconfig"
>> 3253 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
>> 3254
>> 3255 source "drivers/cpuidle/Kconfig"
>> 3256
>> 3257 endmenu
>> 3258
>> 3259 source "arch/mips/kvm/Kconfig"
1318 3260
1319 source "kernel/livepatch/Kconfig" !! 3261 source "arch/mips/vdso/Kconfig"
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