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_DEBUG_VIRTUAL if !64BIT
93 depends on HARDLOCKUP_DETECTOR_ARCH <<
94 default y <<
95 help <<
96 This is a placeholder when the power <<
97 watchdog is selected (arch/powerpc/k <<
98 selected via the generic lockup dete <<
99 have no standalone config option for <<
100 <<
101 config STACKTRACE_SUPPORT <<
102 bool <<
103 default y <<
104 <<
105 config LOCKDEP_SUPPORT <<
106 bool <<
107 default y <<
108 <<
109 config GENERIC_LOCKBREAK <<
110 bool <<
111 default y <<
112 depends on SMP && PREEMPTION && !PPC_Q <<
113 <<
114 config GENERIC_HWEIGHT <<
115 bool <<
116 default y <<
117 <<
118 config PPC <<
119 bool <<
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 8 select ARCH_HAS_FORTIFY_SOURCE
138 select ARCH_HAS_GCOV_PROFILE_ALL <<
139 select ARCH_HAS_KCOV 9 select ARCH_HAS_KCOV
140 select ARCH_HAS_KERNEL_FPU_SUPPORT !! 10 select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE if !EVA
141 select ARCH_HAS_MEMBARRIER_CALLBACKS !! 11 select ARCH_HAS_PTE_SPECIAL if !(32BIT && CPU_HAS_RIXI)
142 select ARCH_HAS_MEMBARRIER_SYNC_CORE !! 12 select ARCH_HAS_STRNCPY_FROM_USER
143 select ARCH_HAS_MEMREMAP_COMPAT_ALIGN !! 13 select ARCH_HAS_STRNLEN_USER
144 select ARCH_HAS_MMIOWB !! 14 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
145 select ARCH_HAS_NON_OVERLAPPING_ADDRES !! 15 select ARCH_HAS_UBSAN_SANITIZE_ALL
146 select ARCH_HAS_PHYS_TO_DMA !! 16 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 17 select ARCH_KEEP_MEMBLOCK
162 select ARCH_MHP_MEMMAP_ON_MEMORY_ENABL !! 18 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 19 select ARCH_USE_BUILTIN_BSWAP
172 select ARCH_USE_CMPXCHG_LOCKREF !! 20 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
173 select ARCH_USE_MEMTEST 21 select ARCH_USE_MEMTEST
174 select ARCH_USE_QUEUED_RWLOCKS !! 22 select ARCH_USE_QUEUED_RWLOCKS
175 select ARCH_WANT_DEFAULT_BPF_JIT !! 23 select ARCH_USE_QUEUED_SPINLOCKS
176 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ !! 24 select ARCH_SUPPORTS_HUGETLBFS if CPU_SUPPORTS_HUGEPAGES
>> 25 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
177 select ARCH_WANT_IPC_PARSE_VERSION 26 select ARCH_WANT_IPC_PARSE_VERSION
178 select ARCH_WANT_IRQS_OFF_ACTIVATE_MM <<
179 select ARCH_WANT_LD_ORPHAN_WARN 27 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 28 select BUILDTIME_TABLE_SORT
185 select CLONE_BACKWARDS 29 select CLONE_BACKWARDS
186 select CPUMASK_OFFSTACK !! 30 select CPU_NO_EFFICIENT_FFS if (TARGET_ISA_REV < 1)
187 select DCACHE_WORD_ACCESS !! 31 select CPU_PM if CPU_IDLE
188 select DMA_OPS_BYPASS !! 32 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 33 select GENERIC_CMOS_UPDATE
197 select GENERIC_CPU_AUTOPROBE 34 select GENERIC_CPU_AUTOPROBE
198 select GENERIC_CPU_VULNERABILITIES <<
199 select GENERIC_EARLY_IOREMAP <<
200 select GENERIC_GETTIMEOFDAY 35 select GENERIC_GETTIMEOFDAY
201 select GENERIC_IDLE_POLL_SETUP !! 36 select GENERIC_IOMAP
202 select GENERIC_IOREMAP !! 37 select GENERIC_IRQ_PROBE
203 select GENERIC_IRQ_SHOW 38 select GENERIC_IRQ_SHOW
204 select GENERIC_IRQ_SHOW_LEVEL !! 39 select GENERIC_ISA_DMA if EISA
205 select GENERIC_PCI_IOMAP !! 40 select GENERIC_LIB_ASHLDI3
206 select GENERIC_PTDUMP !! 41 select GENERIC_LIB_ASHRDI3
>> 42 select GENERIC_LIB_CMPDI2
>> 43 select GENERIC_LIB_LSHRDI3
>> 44 select GENERIC_LIB_UCMPDI2
>> 45 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
207 select GENERIC_SMP_IDLE_THREAD 46 select GENERIC_SMP_IDLE_THREAD
208 select GENERIC_TIME_VSYSCALL 47 select GENERIC_TIME_VSYSCALL
209 select GENERIC_VDSO_TIME_NS !! 48 select GUP_GET_PTE_LOW_HIGH if CPU_MIPS32 && PHYS_ADDR_T_64BIT
210 select HAS_IOPORT !! 49 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 50 select HAVE_ARCH_JUMP_LABEL
215 select HAVE_ARCH_JUMP_LABEL_RELATIVE !! 51 select HAVE_ARCH_KGDB if MIPS_FP_SUPPORT
216 select HAVE_ARCH_KASAN !! 52 select HAVE_ARCH_MMAP_RND_BITS if MMU
217 select HAVE_ARCH_KASAN !! 53 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
218 select HAVE_ARCH_KASAN <<
219 select HAVE_ARCH_KASAN_VMALLOC <<
220 select HAVE_ARCH_KCSAN <<
221 select HAVE_ARCH_KFENCE <<
222 select HAVE_ARCH_RANDOMIZE_KSTACK_OFFS <<
223 select HAVE_ARCH_WITHIN_STACK_FRAMES <<
224 select HAVE_ARCH_KGDB <<
225 select HAVE_ARCH_MMAP_RND_BITS <<
226 select HAVE_ARCH_MMAP_RND_COMPAT_BITS <<
227 select HAVE_ARCH_NVRAM_OPS <<
228 select HAVE_ARCH_SECCOMP_FILTER 54 select HAVE_ARCH_SECCOMP_FILTER
229 select HAVE_ARCH_TRACEHOOK 55 select HAVE_ARCH_TRACEHOOK
>> 56 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES
230 select HAVE_ASM_MODVERSIONS 57 select HAVE_ASM_MODVERSIONS
231 select HAVE_CONTEXT_TRACKING_USER !! 58 select HAVE_CONTEXT_TRACKING
>> 59 select HAVE_TIF_NOHZ
232 select HAVE_C_RECORDMCOUNT 60 select HAVE_C_RECORDMCOUNT
233 select HAVE_DEBUG_KMEMLEAK 61 select HAVE_DEBUG_KMEMLEAK
234 select HAVE_DEBUG_STACKOVERFLOW 62 select HAVE_DEBUG_STACKOVERFLOW
>> 63 select HAVE_DMA_CONTIGUOUS
235 select HAVE_DYNAMIC_FTRACE 64 select HAVE_DYNAMIC_FTRACE
236 select HAVE_DYNAMIC_FTRACE_WITH_ARGS !! 65 select HAVE_EBPF_JIT if !CPU_MICROMIPS && \
237 select HAVE_DYNAMIC_FTRACE_WITH_REGS !! 66 !CPU_DADDI_WORKAROUNDS && \
238 select HAVE_EBPF_JIT !! 67 !CPU_R4000_WORKAROUNDS && \
239 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 68 !CPU_R4400_WORKAROUNDS
240 select HAVE_GUP_FAST !! 69 select HAVE_EXIT_THREAD
>> 70 select HAVE_FAST_GUP
241 select HAVE_FTRACE_MCOUNT_RECORD 71 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 72 select HAVE_FUNCTION_GRAPH_TRACER
246 select HAVE_FUNCTION_TRACER !! 73 select HAVE_FUNCTION_TRACER
247 select HAVE_GCC_PLUGINS !! 74 select HAVE_GCC_PLUGINS
248 select HAVE_GENERIC_VDSO 75 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 76 select HAVE_IOREMAP_PROT
>> 77 select HAVE_IRQ_EXIT_ON_IRQ_STACK
253 select HAVE_IRQ_TIME_ACCOUNTING 78 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 79 select HAVE_KPROBES
259 select HAVE_KPROBES_ON_FTRACE <<
260 select HAVE_KRETPROBES 80 select HAVE_KRETPROBES
261 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT !! 81 select HAVE_LD_DEAD_CODE_DATA_ELIMINATION
262 select HAVE_LIVEPATCH <<
263 select HAVE_MOD_ARCH_SPECIFIC 82 select HAVE_MOD_ARCH_SPECIFIC
264 select HAVE_NMI !! 83 select HAVE_NMI
265 select HAVE_OPTPROBES <<
266 select HAVE_OBJTOOL <<
267 select HAVE_OBJTOOL_MCOUNT <<
268 select HAVE_PERF_EVENTS 84 select HAVE_PERF_EVENTS
269 select HAVE_PERF_EVENTS_NMI <<
270 select HAVE_PERF_REGS 85 select HAVE_PERF_REGS
271 select HAVE_PERF_USER_STACK_DUMP 86 select HAVE_PERF_USER_STACK_DUMP
272 select HAVE_RETHOOK <<
273 select HAVE_REGS_AND_STACK_ACCESS_API 87 select HAVE_REGS_AND_STACK_ACCESS_API
274 select HAVE_RELIABLE_STACKTRACE <<
275 select HAVE_RSEQ 88 select HAVE_RSEQ
276 select HAVE_SETUP_PER_CPU_AREA !! 89 select HAVE_SPARSE_SYSCALL_NR
277 select HAVE_SOFTIRQ_ON_OWN_STACK !! 90 select HAVE_STACKPROTECTOR
278 select HAVE_STACKPROTECTOR <<
279 select HAVE_STACKPROTECTOR <<
280 select HAVE_STATIC_CALL <<
281 select HAVE_SYSCALL_TRACEPOINTS 91 select HAVE_SYSCALL_TRACEPOINTS
282 select HAVE_VIRT_CPU_ACCOUNTING !! 92 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 93 select IRQ_FORCED_THREADING
290 select KASAN_VMALLOC !! 94 select ISA if EISA
291 select LOCK_MM_AND_FIND_VMA !! 95 select MODULES_USE_ELF_REL if MODULES
292 select MMU_GATHER_PAGE_SIZE !! 96 select MODULES_USE_ELF_RELA if MODULES && 64BIT
293 select MMU_GATHER_RCU_TABLE_FREE !! 97 select PERF_USE_VMALLOC
294 select MMU_GATHER_MERGE_VMAS !! 98 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 99 select RTC_LIB
310 select SPARSE_IRQ <<
311 select STRICT_KERNEL_RWX if STRICT_MOD <<
312 select SYSCTL_EXCEPTION_TRACE 100 select SYSCTL_EXCEPTION_TRACE
313 select THREAD_INFO_IN_TASK <<
314 select TRACE_IRQFLAGS_SUPPORT 101 select TRACE_IRQFLAGS_SUPPORT
315 select VDSO_GETRANDOM !! 102 select VIRT_TO_BUS
316 # !! 103 select ARCH_HAS_ELFCORE_COMPAT
317 # Please keep this list sorted alphabe !! 104 select HAVE_ARCH_KCSAN if 64BIT
318 # !! 105
>> 106 config MIPS_FIXUP_BIGPHYS_ADDR
>> 107 bool
>> 108
>> 109 config MIPS_GENERIC
>> 110 bool
>> 111
>> 112 config MACH_INGENIC
>> 113 bool
>> 114 select SYS_SUPPORTS_32BIT_KERNEL
>> 115 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 116 select SYS_SUPPORTS_ZBOOT
>> 117 select DMA_NONCOHERENT
>> 118 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 119 select IRQ_MIPS_CPU
>> 120 select PINCTRL
>> 121 select GPIOLIB
>> 122 select COMMON_CLK
>> 123 select GENERIC_IRQ_CHIP
>> 124 select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
>> 125 select USE_OF
>> 126 select CPU_SUPPORTS_CPUFREQ
>> 127 select MIPS_EXTERNAL_TIMER
>> 128
>> 129 menu "Machine selection"
>> 130
>> 131 choice
>> 132 prompt "System type"
>> 133 default MIPS_GENERIC_KERNEL
>> 134
>> 135 config MIPS_GENERIC_KERNEL
>> 136 bool "Generic board-agnostic MIPS kernel"
>> 137 select ARCH_HAS_SETUP_DMA_OPS
>> 138 select MIPS_GENERIC
>> 139 select BOOT_RAW
>> 140 select BUILTIN_DTB
>> 141 select CEVT_R4K
>> 142 select CLKSRC_MIPS_GIC
>> 143 select COMMON_CLK
>> 144 select CPU_MIPSR2_IRQ_EI
>> 145 select CPU_MIPSR2_IRQ_VI
>> 146 select CSRC_R4K
>> 147 select DMA_NONCOHERENT
>> 148 select HAVE_PCI
>> 149 select IRQ_MIPS_CPU
>> 150 select MIPS_AUTO_PFN_OFFSET
>> 151 select MIPS_CPU_SCACHE
>> 152 select MIPS_GIC
>> 153 select MIPS_L1_CACHE_SHIFT_7
>> 154 select NO_EXCEPT_FILL
>> 155 select PCI_DRIVERS_GENERIC
>> 156 select SMP_UP if SMP
>> 157 select SWAP_IO_SPACE
>> 158 select SYS_HAS_CPU_MIPS32_R1
>> 159 select SYS_HAS_CPU_MIPS32_R2
>> 160 select SYS_HAS_CPU_MIPS32_R6
>> 161 select SYS_HAS_CPU_MIPS64_R1
>> 162 select SYS_HAS_CPU_MIPS64_R2
>> 163 select SYS_HAS_CPU_MIPS64_R6
>> 164 select SYS_SUPPORTS_32BIT_KERNEL
>> 165 select SYS_SUPPORTS_64BIT_KERNEL
>> 166 select SYS_SUPPORTS_BIG_ENDIAN
>> 167 select SYS_SUPPORTS_HIGHMEM
>> 168 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 169 select SYS_SUPPORTS_MICROMIPS
>> 170 select SYS_SUPPORTS_MIPS16
>> 171 select SYS_SUPPORTS_MIPS_CPS
>> 172 select SYS_SUPPORTS_MULTITHREADING
>> 173 select SYS_SUPPORTS_RELOCATABLE
>> 174 select SYS_SUPPORTS_SMARTMIPS
>> 175 select SYS_SUPPORTS_ZBOOT
>> 176 select UHI_BOOT
>> 177 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 178 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 179 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 180 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 181 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 182 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 183 select USE_OF
>> 184 help
>> 185 Select this to build a kernel which aims to support multiple boards,
>> 186 generally using a flattened device tree passed from the bootloader
>> 187 using the boot protocol defined in the UHI (Unified Hosting
>> 188 Interface) specification.
>> 189
>> 190 config MIPS_ALCHEMY
>> 191 bool "Alchemy processor based machines"
>> 192 select PHYS_ADDR_T_64BIT
>> 193 select CEVT_R4K
>> 194 select CSRC_R4K
>> 195 select IRQ_MIPS_CPU
>> 196 select DMA_NONCOHERENT # Au1000,1500,1100 aren't, rest is
>> 197 select MIPS_FIXUP_BIGPHYS_ADDR if PCI
>> 198 select SYS_HAS_CPU_MIPS32_R1
>> 199 select SYS_SUPPORTS_32BIT_KERNEL
>> 200 select SYS_SUPPORTS_APM_EMULATION
>> 201 select GPIOLIB
>> 202 select SYS_SUPPORTS_ZBOOT
>> 203 select COMMON_CLK
>> 204
>> 205 config AR7
>> 206 bool "Texas Instruments AR7"
>> 207 select BOOT_ELF32
>> 208 select COMMON_CLK
>> 209 select DMA_NONCOHERENT
>> 210 select CEVT_R4K
>> 211 select CSRC_R4K
>> 212 select IRQ_MIPS_CPU
>> 213 select NO_EXCEPT_FILL
>> 214 select SWAP_IO_SPACE
>> 215 select SYS_HAS_CPU_MIPS32_R1
>> 216 select SYS_HAS_EARLY_PRINTK
>> 217 select SYS_SUPPORTS_32BIT_KERNEL
>> 218 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 219 select SYS_SUPPORTS_MIPS16
>> 220 select SYS_SUPPORTS_ZBOOT_UART16550
>> 221 select GPIOLIB
>> 222 select VLYNQ
>> 223 help
>> 224 Support for the Texas Instruments AR7 System-on-a-Chip
>> 225 family: TNETD7100, 7200 and 7300.
>> 226
>> 227 config ATH25
>> 228 bool "Atheros AR231x/AR531x SoC support"
>> 229 select CEVT_R4K
>> 230 select CSRC_R4K
>> 231 select DMA_NONCOHERENT
>> 232 select IRQ_MIPS_CPU
>> 233 select IRQ_DOMAIN
>> 234 select SYS_HAS_CPU_MIPS32_R1
>> 235 select SYS_SUPPORTS_BIG_ENDIAN
>> 236 select SYS_SUPPORTS_32BIT_KERNEL
>> 237 select SYS_HAS_EARLY_PRINTK
>> 238 help
>> 239 Support for Atheros AR231x and Atheros AR531x based boards
>> 240
>> 241 config ATH79
>> 242 bool "Atheros AR71XX/AR724X/AR913X based boards"
>> 243 select ARCH_HAS_RESET_CONTROLLER
>> 244 select BOOT_RAW
>> 245 select CEVT_R4K
>> 246 select CSRC_R4K
>> 247 select DMA_NONCOHERENT
>> 248 select GPIOLIB
>> 249 select PINCTRL
>> 250 select COMMON_CLK
>> 251 select IRQ_MIPS_CPU
>> 252 select SYS_HAS_CPU_MIPS32_R2
>> 253 select SYS_HAS_EARLY_PRINTK
>> 254 select SYS_SUPPORTS_32BIT_KERNEL
>> 255 select SYS_SUPPORTS_BIG_ENDIAN
>> 256 select SYS_SUPPORTS_MIPS16
>> 257 select SYS_SUPPORTS_ZBOOT_UART_PROM
>> 258 select USE_OF
>> 259 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
>> 260 help
>> 261 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
>> 262
>> 263 config BMIPS_GENERIC
>> 264 bool "Broadcom Generic BMIPS kernel"
>> 265 select ARCH_HAS_RESET_CONTROLLER
>> 266 select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL
>> 267 select BOOT_RAW
>> 268 select NO_EXCEPT_FILL
>> 269 select USE_OF
>> 270 select CEVT_R4K
>> 271 select CSRC_R4K
>> 272 select SYNC_R4K
>> 273 select COMMON_CLK
>> 274 select BCM6345_L1_IRQ
>> 275 select BCM7038_L1_IRQ
>> 276 select BCM7120_L2_IRQ
>> 277 select BRCMSTB_L2_IRQ
>> 278 select IRQ_MIPS_CPU
>> 279 select DMA_NONCOHERENT
>> 280 select SYS_SUPPORTS_32BIT_KERNEL
>> 281 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 282 select SYS_SUPPORTS_BIG_ENDIAN
>> 283 select SYS_SUPPORTS_HIGHMEM
>> 284 select SYS_HAS_CPU_BMIPS32_3300
>> 285 select SYS_HAS_CPU_BMIPS4350
>> 286 select SYS_HAS_CPU_BMIPS4380
>> 287 select SYS_HAS_CPU_BMIPS5000
>> 288 select SWAP_IO_SPACE
>> 289 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 290 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 291 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 292 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 293 select HARDIRQS_SW_RESEND
>> 294 select HAVE_PCI
>> 295 select PCI_DRIVERS_GENERIC
>> 296 help
>> 297 Build a generic DT-based kernel image that boots on select
>> 298 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
>> 299 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
>> 300 must be set appropriately for your board.
>> 301
>> 302 config BCM47XX
>> 303 bool "Broadcom BCM47XX based boards"
>> 304 select BOOT_RAW
>> 305 select CEVT_R4K
>> 306 select CSRC_R4K
>> 307 select DMA_NONCOHERENT
>> 308 select HAVE_PCI
>> 309 select IRQ_MIPS_CPU
>> 310 select SYS_HAS_CPU_MIPS32_R1
>> 311 select NO_EXCEPT_FILL
>> 312 select SYS_SUPPORTS_32BIT_KERNEL
>> 313 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 314 select SYS_SUPPORTS_MIPS16
>> 315 select SYS_SUPPORTS_ZBOOT
>> 316 select SYS_HAS_EARLY_PRINTK
>> 317 select USE_GENERIC_EARLY_PRINTK_8250
>> 318 select GPIOLIB
>> 319 select LEDS_GPIO_REGISTER
>> 320 select BCM47XX_NVRAM
>> 321 select BCM47XX_SPROM
>> 322 select BCM47XX_SSB if !BCM47XX_BCMA
>> 323 help
>> 324 Support for BCM47XX based boards
>> 325
>> 326 config BCM63XX
>> 327 bool "Broadcom BCM63XX based boards"
>> 328 select BOOT_RAW
>> 329 select CEVT_R4K
>> 330 select CSRC_R4K
>> 331 select SYNC_R4K
>> 332 select DMA_NONCOHERENT
>> 333 select IRQ_MIPS_CPU
>> 334 select SYS_SUPPORTS_32BIT_KERNEL
>> 335 select SYS_SUPPORTS_BIG_ENDIAN
>> 336 select SYS_HAS_EARLY_PRINTK
>> 337 select SYS_HAS_CPU_BMIPS32_3300
>> 338 select SYS_HAS_CPU_BMIPS4350
>> 339 select SYS_HAS_CPU_BMIPS4380
>> 340 select SWAP_IO_SPACE
>> 341 select GPIOLIB
>> 342 select MIPS_L1_CACHE_SHIFT_4
>> 343 select HAVE_LEGACY_CLK
>> 344 help
>> 345 Support for BCM63XX based boards
>> 346
>> 347 config MIPS_COBALT
>> 348 bool "Cobalt Server"
>> 349 select CEVT_R4K
>> 350 select CSRC_R4K
>> 351 select CEVT_GT641XX
>> 352 select DMA_NONCOHERENT
>> 353 select FORCE_PCI
>> 354 select I8253
>> 355 select I8259
>> 356 select IRQ_MIPS_CPU
>> 357 select IRQ_GT641XX
>> 358 select PCI_GT64XXX_PCI0
>> 359 select SYS_HAS_CPU_NEVADA
>> 360 select SYS_HAS_EARLY_PRINTK
>> 361 select SYS_SUPPORTS_32BIT_KERNEL
>> 362 select SYS_SUPPORTS_64BIT_KERNEL
>> 363 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 364 select USE_GENERIC_EARLY_PRINTK_8250
>> 365
>> 366 config MACH_DECSTATION
>> 367 bool "DECstations"
>> 368 select BOOT_ELF32
>> 369 select CEVT_DS1287
>> 370 select CEVT_R4K if CPU_R4X00
>> 371 select CSRC_IOASIC
>> 372 select CSRC_R4K if CPU_R4X00
>> 373 select CPU_DADDI_WORKAROUNDS if 64BIT
>> 374 select CPU_R4000_WORKAROUNDS if 64BIT
>> 375 select CPU_R4400_WORKAROUNDS if 64BIT
>> 376 select DMA_NONCOHERENT
>> 377 select NO_IOPORT_MAP
>> 378 select IRQ_MIPS_CPU
>> 379 select SYS_HAS_CPU_R3000
>> 380 select SYS_HAS_CPU_R4X00
>> 381 select SYS_SUPPORTS_32BIT_KERNEL
>> 382 select SYS_SUPPORTS_64BIT_KERNEL
>> 383 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 384 select SYS_SUPPORTS_128HZ
>> 385 select SYS_SUPPORTS_256HZ
>> 386 select SYS_SUPPORTS_1024HZ
>> 387 select MIPS_L1_CACHE_SHIFT_4
>> 388 help
>> 389 This enables support for DEC's MIPS based workstations. For details
>> 390 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
>> 391 DECstation porting pages on <http://decstation.unix-ag.org/>.
>> 392
>> 393 If you have one of the following DECstation Models you definitely
>> 394 want to choose R4xx0 for the CPU Type:
>> 395
>> 396 DECstation 5000/50
>> 397 DECstation 5000/150
>> 398 DECstation 5000/260
>> 399 DECsystem 5900/260
>> 400
>> 401 otherwise choose R3000.
>> 402
>> 403 config MACH_JAZZ
>> 404 bool "Jazz family of machines"
>> 405 select ARC_MEMORY
>> 406 select ARC_PROMLIB
>> 407 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 408 select ARCH_MIGHT_HAVE_PC_SERIO
>> 409 select DMA_OPS
>> 410 select FW_ARC
>> 411 select FW_ARC32
>> 412 select ARCH_MAY_HAVE_PC_FDC
>> 413 select CEVT_R4K
>> 414 select CSRC_R4K
>> 415 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 416 select GENERIC_ISA_DMA
>> 417 select HAVE_PCSPKR_PLATFORM
>> 418 select IRQ_MIPS_CPU
>> 419 select I8253
>> 420 select I8259
>> 421 select ISA
>> 422 select SYS_HAS_CPU_R4X00
>> 423 select SYS_SUPPORTS_32BIT_KERNEL
>> 424 select SYS_SUPPORTS_64BIT_KERNEL
>> 425 select SYS_SUPPORTS_100HZ
>> 426 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 427 help
>> 428 This a family of machines based on the MIPS R4030 chipset which was
>> 429 used by several vendors to build RISC/os and Windows NT workstations.
>> 430 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
>> 431 Olivetti M700-10 workstations.
>> 432
>> 433 config MACH_INGENIC_SOC
>> 434 bool "Ingenic SoC based machines"
>> 435 select MIPS_GENERIC
>> 436 select MACH_INGENIC
>> 437 select SYS_SUPPORTS_ZBOOT_UART16550
>> 438 select CPU_SUPPORTS_CPUFREQ
>> 439 select MIPS_EXTERNAL_TIMER
>> 440
>> 441 config LANTIQ
>> 442 bool "Lantiq based platforms"
>> 443 select DMA_NONCOHERENT
>> 444 select IRQ_MIPS_CPU
>> 445 select CEVT_R4K
>> 446 select CSRC_R4K
>> 447 select SYS_HAS_CPU_MIPS32_R1
>> 448 select SYS_HAS_CPU_MIPS32_R2
>> 449 select SYS_SUPPORTS_BIG_ENDIAN
>> 450 select SYS_SUPPORTS_32BIT_KERNEL
>> 451 select SYS_SUPPORTS_MIPS16
>> 452 select SYS_SUPPORTS_MULTITHREADING
>> 453 select SYS_SUPPORTS_VPE_LOADER
>> 454 select SYS_HAS_EARLY_PRINTK
>> 455 select GPIOLIB
>> 456 select SWAP_IO_SPACE
>> 457 select BOOT_RAW
>> 458 select HAVE_LEGACY_CLK
>> 459 select USE_OF
>> 460 select PINCTRL
>> 461 select PINCTRL_LANTIQ
>> 462 select ARCH_HAS_RESET_CONTROLLER
>> 463 select RESET_CONTROLLER
>> 464
>> 465 config MACH_LOONGSON32
>> 466 bool "Loongson 32-bit family of machines"
>> 467 select SYS_SUPPORTS_ZBOOT
>> 468 help
>> 469 This enables support for the Loongson-1 family of machines.
>> 470
>> 471 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
>> 472 the Institute of Computing Technology (ICT), Chinese Academy of
>> 473 Sciences (CAS).
>> 474
>> 475 config MACH_LOONGSON2EF
>> 476 bool "Loongson-2E/F family of machines"
>> 477 select SYS_SUPPORTS_ZBOOT
>> 478 help
>> 479 This enables the support of early Loongson-2E/F family of machines.
>> 480
>> 481 config MACH_LOONGSON64
>> 482 bool "Loongson 64-bit family of machines"
>> 483 select ARCH_SPARSEMEM_ENABLE
>> 484 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 485 select ARCH_MIGHT_HAVE_PC_SERIO
>> 486 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 487 select BOOT_ELF32
>> 488 select BOARD_SCACHE
>> 489 select CSRC_R4K
>> 490 select CEVT_R4K
>> 491 select CPU_HAS_WB
>> 492 select FORCE_PCI
>> 493 select ISA
>> 494 select I8259
>> 495 select IRQ_MIPS_CPU
>> 496 select NO_EXCEPT_FILL
>> 497 select NR_CPUS_DEFAULT_64
>> 498 select USE_GENERIC_EARLY_PRINTK_8250
>> 499 select PCI_DRIVERS_GENERIC
>> 500 select SYS_HAS_CPU_LOONGSON64
>> 501 select SYS_HAS_EARLY_PRINTK
>> 502 select SYS_SUPPORTS_SMP
>> 503 select SYS_SUPPORTS_HOTPLUG_CPU
>> 504 select SYS_SUPPORTS_NUMA
>> 505 select SYS_SUPPORTS_64BIT_KERNEL
>> 506 select SYS_SUPPORTS_HIGHMEM
>> 507 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 508 select SYS_SUPPORTS_ZBOOT
>> 509 select SYS_SUPPORTS_RELOCATABLE
>> 510 select ZONE_DMA32
>> 511 select COMMON_CLK
>> 512 select USE_OF
>> 513 select BUILTIN_DTB
>> 514 select PCI_HOST_GENERIC
>> 515 help
>> 516 This enables the support of Loongson-2/3 family of machines.
>> 517
>> 518 Loongson-2 and Loongson-3 are 64-bit general-purpose processors with
>> 519 GS264/GS464/GS464E/GS464V microarchitecture (except old Loongson-2E
>> 520 and Loongson-2F which will be removed), developed by the Institute
>> 521 of Computing Technology (ICT), Chinese Academy of Sciences (CAS).
>> 522
>> 523 config MIPS_MALTA
>> 524 bool "MIPS Malta board"
>> 525 select ARCH_MAY_HAVE_PC_FDC
>> 526 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 527 select ARCH_MIGHT_HAVE_PC_SERIO
>> 528 select BOOT_ELF32
>> 529 select BOOT_RAW
>> 530 select BUILTIN_DTB
>> 531 select CEVT_R4K
>> 532 select CLKSRC_MIPS_GIC
>> 533 select COMMON_CLK
>> 534 select CSRC_R4K
>> 535 select DMA_NONCOHERENT
>> 536 select GENERIC_ISA_DMA
>> 537 select HAVE_PCSPKR_PLATFORM
>> 538 select HAVE_PCI
>> 539 select I8253
>> 540 select I8259
>> 541 select IRQ_MIPS_CPU
>> 542 select MIPS_BONITO64
>> 543 select MIPS_CPU_SCACHE
>> 544 select MIPS_GIC
>> 545 select MIPS_L1_CACHE_SHIFT_6
>> 546 select MIPS_MSC
>> 547 select PCI_GT64XXX_PCI0
>> 548 select SMP_UP if SMP
>> 549 select SWAP_IO_SPACE
>> 550 select SYS_HAS_CPU_MIPS32_R1
>> 551 select SYS_HAS_CPU_MIPS32_R2
>> 552 select SYS_HAS_CPU_MIPS32_R3_5
>> 553 select SYS_HAS_CPU_MIPS32_R5
>> 554 select SYS_HAS_CPU_MIPS32_R6
>> 555 select SYS_HAS_CPU_MIPS64_R1
>> 556 select SYS_HAS_CPU_MIPS64_R2
>> 557 select SYS_HAS_CPU_MIPS64_R6
>> 558 select SYS_HAS_CPU_NEVADA
>> 559 select SYS_HAS_CPU_RM7000
>> 560 select SYS_SUPPORTS_32BIT_KERNEL
>> 561 select SYS_SUPPORTS_64BIT_KERNEL
>> 562 select SYS_SUPPORTS_BIG_ENDIAN
>> 563 select SYS_SUPPORTS_HIGHMEM
>> 564 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 565 select SYS_SUPPORTS_MICROMIPS
>> 566 select SYS_SUPPORTS_MIPS16
>> 567 select SYS_SUPPORTS_MIPS_CMP
>> 568 select SYS_SUPPORTS_MIPS_CPS
>> 569 select SYS_SUPPORTS_MULTITHREADING
>> 570 select SYS_SUPPORTS_RELOCATABLE
>> 571 select SYS_SUPPORTS_SMARTMIPS
>> 572 select SYS_SUPPORTS_VPE_LOADER
>> 573 select SYS_SUPPORTS_ZBOOT
>> 574 select USE_OF
>> 575 select WAR_ICACHE_REFILLS
>> 576 select ZONE_DMA32 if 64BIT
>> 577 help
>> 578 This enables support for the MIPS Technologies Malta evaluation
>> 579 board.
>> 580
>> 581 config MACH_PIC32
>> 582 bool "Microchip PIC32 Family"
>> 583 help
>> 584 This enables support for the Microchip PIC32 family of platforms.
>> 585
>> 586 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
>> 587 microcontrollers.
>> 588
>> 589 config MACH_VR41XX
>> 590 bool "NEC VR4100 series based machines"
>> 591 select CEVT_R4K
>> 592 select CSRC_R4K
>> 593 select SYS_HAS_CPU_VR41XX
>> 594 select SYS_SUPPORTS_MIPS16
>> 595 select GPIOLIB
>> 596
>> 597 config MACH_NINTENDO64
>> 598 bool "Nintendo 64 console"
>> 599 select CEVT_R4K
>> 600 select CSRC_R4K
>> 601 select SYS_HAS_CPU_R4300
>> 602 select SYS_SUPPORTS_BIG_ENDIAN
>> 603 select SYS_SUPPORTS_ZBOOT
>> 604 select SYS_SUPPORTS_32BIT_KERNEL
>> 605 select SYS_SUPPORTS_64BIT_KERNEL
>> 606 select DMA_NONCOHERENT
>> 607 select IRQ_MIPS_CPU
>> 608
>> 609 config RALINK
>> 610 bool "Ralink based machines"
>> 611 select CEVT_R4K
>> 612 select COMMON_CLK
>> 613 select CSRC_R4K
>> 614 select BOOT_RAW
>> 615 select DMA_NONCOHERENT
>> 616 select IRQ_MIPS_CPU
>> 617 select USE_OF
>> 618 select SYS_HAS_CPU_MIPS32_R1
>> 619 select SYS_HAS_CPU_MIPS32_R2
>> 620 select SYS_SUPPORTS_32BIT_KERNEL
>> 621 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 622 select SYS_SUPPORTS_MIPS16
>> 623 select SYS_SUPPORTS_ZBOOT
>> 624 select SYS_HAS_EARLY_PRINTK
>> 625 select ARCH_HAS_RESET_CONTROLLER
>> 626 select RESET_CONTROLLER
>> 627
>> 628 config MACH_REALTEK_RTL
>> 629 bool "Realtek RTL838x/RTL839x based machines"
>> 630 select MIPS_GENERIC
>> 631 select DMA_NONCOHERENT
>> 632 select IRQ_MIPS_CPU
>> 633 select CSRC_R4K
>> 634 select CEVT_R4K
>> 635 select SYS_HAS_CPU_MIPS32_R1
>> 636 select SYS_HAS_CPU_MIPS32_R2
>> 637 select SYS_SUPPORTS_BIG_ENDIAN
>> 638 select SYS_SUPPORTS_32BIT_KERNEL
>> 639 select SYS_SUPPORTS_MIPS16
>> 640 select SYS_SUPPORTS_MULTITHREADING
>> 641 select SYS_SUPPORTS_VPE_LOADER
>> 642 select BOOT_RAW
>> 643 select PINCTRL
>> 644 select USE_OF
>> 645
>> 646 config SGI_IP22
>> 647 bool "SGI IP22 (Indy/Indigo2)"
>> 648 select ARC_MEMORY
>> 649 select ARC_PROMLIB
>> 650 select FW_ARC
>> 651 select FW_ARC32
>> 652 select ARCH_MIGHT_HAVE_PC_SERIO
>> 653 select BOOT_ELF32
>> 654 select CEVT_R4K
>> 655 select CSRC_R4K
>> 656 select DEFAULT_SGI_PARTITION
>> 657 select DMA_NONCOHERENT
>> 658 select HAVE_EISA
>> 659 select I8253
>> 660 select I8259
>> 661 select IP22_CPU_SCACHE
>> 662 select IRQ_MIPS_CPU
>> 663 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 664 select SGI_HAS_I8042
>> 665 select SGI_HAS_INDYDOG
>> 666 select SGI_HAS_HAL2
>> 667 select SGI_HAS_SEEQ
>> 668 select SGI_HAS_WD93
>> 669 select SGI_HAS_ZILOG
>> 670 select SWAP_IO_SPACE
>> 671 select SYS_HAS_CPU_R4X00
>> 672 select SYS_HAS_CPU_R5000
>> 673 select SYS_HAS_EARLY_PRINTK
>> 674 select SYS_SUPPORTS_32BIT_KERNEL
>> 675 select SYS_SUPPORTS_64BIT_KERNEL
>> 676 select SYS_SUPPORTS_BIG_ENDIAN
>> 677 select WAR_R4600_V1_INDEX_ICACHEOP
>> 678 select WAR_R4600_V1_HIT_CACHEOP
>> 679 select WAR_R4600_V2_HIT_CACHEOP
>> 680 select MIPS_L1_CACHE_SHIFT_7
>> 681 help
>> 682 This are the SGI Indy, Challenge S and Indigo2, as well as certain
>> 683 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
>> 684 that runs on these, say Y here.
>> 685
>> 686 config SGI_IP27
>> 687 bool "SGI IP27 (Origin200/2000)"
>> 688 select ARCH_HAS_PHYS_TO_DMA
>> 689 select ARCH_SPARSEMEM_ENABLE
>> 690 select FW_ARC
>> 691 select FW_ARC64
>> 692 select ARC_CMDLINE_ONLY
>> 693 select BOOT_ELF64
>> 694 select DEFAULT_SGI_PARTITION
>> 695 select FORCE_PCI
>> 696 select SYS_HAS_EARLY_PRINTK
>> 697 select HAVE_PCI
>> 698 select IRQ_MIPS_CPU
>> 699 select IRQ_DOMAIN_HIERARCHY
>> 700 select NR_CPUS_DEFAULT_64
>> 701 select PCI_DRIVERS_GENERIC
>> 702 select PCI_XTALK_BRIDGE
>> 703 select SYS_HAS_CPU_R10000
>> 704 select SYS_SUPPORTS_64BIT_KERNEL
>> 705 select SYS_SUPPORTS_BIG_ENDIAN
>> 706 select SYS_SUPPORTS_NUMA
>> 707 select SYS_SUPPORTS_SMP
>> 708 select WAR_R10000_LLSC
>> 709 select MIPS_L1_CACHE_SHIFT_7
>> 710 select NUMA
>> 711 help
>> 712 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
>> 713 workstations. To compile a Linux kernel that runs on these, say Y
>> 714 here.
>> 715
>> 716 config SGI_IP28
>> 717 bool "SGI IP28 (Indigo2 R10k)"
>> 718 select ARC_MEMORY
>> 719 select ARC_PROMLIB
>> 720 select FW_ARC
>> 721 select FW_ARC64
>> 722 select ARCH_MIGHT_HAVE_PC_SERIO
>> 723 select BOOT_ELF64
>> 724 select CEVT_R4K
>> 725 select CSRC_R4K
>> 726 select DEFAULT_SGI_PARTITION
>> 727 select DMA_NONCOHERENT
>> 728 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 729 select IRQ_MIPS_CPU
>> 730 select HAVE_EISA
>> 731 select I8253
>> 732 select I8259
>> 733 select SGI_HAS_I8042
>> 734 select SGI_HAS_INDYDOG
>> 735 select SGI_HAS_HAL2
>> 736 select SGI_HAS_SEEQ
>> 737 select SGI_HAS_WD93
>> 738 select SGI_HAS_ZILOG
>> 739 select SWAP_IO_SPACE
>> 740 select SYS_HAS_CPU_R10000
>> 741 select SYS_HAS_EARLY_PRINTK
>> 742 select SYS_SUPPORTS_64BIT_KERNEL
>> 743 select SYS_SUPPORTS_BIG_ENDIAN
>> 744 select WAR_R10000_LLSC
>> 745 select MIPS_L1_CACHE_SHIFT_7
>> 746 help
>> 747 This is the SGI Indigo2 with R10000 processor. To compile a Linux
>> 748 kernel that runs on these, say Y here.
>> 749
>> 750 config SGI_IP30
>> 751 bool "SGI IP30 (Octane/Octane2)"
>> 752 select ARCH_HAS_PHYS_TO_DMA
>> 753 select FW_ARC
>> 754 select FW_ARC64
>> 755 select BOOT_ELF64
>> 756 select CEVT_R4K
>> 757 select CSRC_R4K
>> 758 select FORCE_PCI
>> 759 select SYNC_R4K if SMP
>> 760 select ZONE_DMA32
>> 761 select HAVE_PCI
>> 762 select IRQ_MIPS_CPU
>> 763 select IRQ_DOMAIN_HIERARCHY
>> 764 select PCI_DRIVERS_GENERIC
>> 765 select PCI_XTALK_BRIDGE
>> 766 select SYS_HAS_EARLY_PRINTK
>> 767 select SYS_HAS_CPU_R10000
>> 768 select SYS_SUPPORTS_64BIT_KERNEL
>> 769 select SYS_SUPPORTS_BIG_ENDIAN
>> 770 select SYS_SUPPORTS_SMP
>> 771 select WAR_R10000_LLSC
>> 772 select MIPS_L1_CACHE_SHIFT_7
>> 773 select ARC_MEMORY
>> 774 help
>> 775 These are the SGI Octane and Octane2 graphics workstations. To
>> 776 compile a Linux kernel that runs on these, say Y here.
>> 777
>> 778 config SGI_IP32
>> 779 bool "SGI IP32 (O2)"
>> 780 select ARC_MEMORY
>> 781 select ARC_PROMLIB
>> 782 select ARCH_HAS_PHYS_TO_DMA
>> 783 select FW_ARC
>> 784 select FW_ARC32
>> 785 select BOOT_ELF32
>> 786 select CEVT_R4K
>> 787 select CSRC_R4K
>> 788 select DMA_NONCOHERENT
>> 789 select HAVE_PCI
>> 790 select IRQ_MIPS_CPU
>> 791 select R5000_CPU_SCACHE
>> 792 select RM7000_CPU_SCACHE
>> 793 select SYS_HAS_CPU_R5000
>> 794 select SYS_HAS_CPU_R10000 if BROKEN
>> 795 select SYS_HAS_CPU_RM7000
>> 796 select SYS_HAS_CPU_NEVADA
>> 797 select SYS_SUPPORTS_64BIT_KERNEL
>> 798 select SYS_SUPPORTS_BIG_ENDIAN
>> 799 select WAR_ICACHE_REFILLS
>> 800 help
>> 801 If you want this kernel to run on SGI O2 workstation, say Y here.
>> 802
>> 803 config SIBYTE_CRHINE
>> 804 bool "Sibyte BCM91120C-CRhine"
>> 805 select BOOT_ELF32
>> 806 select SIBYTE_BCM1120
>> 807 select SWAP_IO_SPACE
>> 808 select SYS_HAS_CPU_SB1
>> 809 select SYS_SUPPORTS_BIG_ENDIAN
>> 810 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 811
>> 812 config SIBYTE_CARMEL
>> 813 bool "Sibyte BCM91120x-Carmel"
>> 814 select BOOT_ELF32
>> 815 select SIBYTE_BCM1120
>> 816 select SWAP_IO_SPACE
>> 817 select SYS_HAS_CPU_SB1
>> 818 select SYS_SUPPORTS_BIG_ENDIAN
>> 819 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 820
>> 821 config SIBYTE_CRHONE
>> 822 bool "Sibyte BCM91125C-CRhone"
>> 823 select BOOT_ELF32
>> 824 select SIBYTE_BCM1125
>> 825 select SWAP_IO_SPACE
>> 826 select SYS_HAS_CPU_SB1
>> 827 select SYS_SUPPORTS_BIG_ENDIAN
>> 828 select SYS_SUPPORTS_HIGHMEM
>> 829 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 830
>> 831 config SIBYTE_RHONE
>> 832 bool "Sibyte BCM91125E-Rhone"
>> 833 select BOOT_ELF32
>> 834 select SIBYTE_BCM1125H
>> 835 select SWAP_IO_SPACE
>> 836 select SYS_HAS_CPU_SB1
>> 837 select SYS_SUPPORTS_BIG_ENDIAN
>> 838 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 839
>> 840 config SIBYTE_SWARM
>> 841 bool "Sibyte BCM91250A-SWARM"
>> 842 select BOOT_ELF32
>> 843 select HAVE_PATA_PLATFORM
>> 844 select SIBYTE_SB1250
>> 845 select SWAP_IO_SPACE
>> 846 select SYS_HAS_CPU_SB1
>> 847 select SYS_SUPPORTS_BIG_ENDIAN
>> 848 select SYS_SUPPORTS_HIGHMEM
>> 849 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 850 select ZONE_DMA32 if 64BIT
>> 851 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 852
>> 853 config SIBYTE_LITTLESUR
>> 854 bool "Sibyte BCM91250C2-LittleSur"
>> 855 select BOOT_ELF32
>> 856 select HAVE_PATA_PLATFORM
>> 857 select SIBYTE_SB1250
>> 858 select SWAP_IO_SPACE
>> 859 select SYS_HAS_CPU_SB1
>> 860 select SYS_SUPPORTS_BIG_ENDIAN
>> 861 select SYS_SUPPORTS_HIGHMEM
>> 862 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 863 select ZONE_DMA32 if 64BIT
>> 864
>> 865 config SIBYTE_SENTOSA
>> 866 bool "Sibyte BCM91250E-Sentosa"
>> 867 select BOOT_ELF32
>> 868 select SIBYTE_SB1250
>> 869 select SWAP_IO_SPACE
>> 870 select SYS_HAS_CPU_SB1
>> 871 select SYS_SUPPORTS_BIG_ENDIAN
>> 872 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 873 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 874
>> 875 config SIBYTE_BIGSUR
>> 876 bool "Sibyte BCM91480B-BigSur"
>> 877 select BOOT_ELF32
>> 878 select NR_CPUS_DEFAULT_4
>> 879 select SIBYTE_BCM1x80
>> 880 select SWAP_IO_SPACE
>> 881 select SYS_HAS_CPU_SB1
>> 882 select SYS_SUPPORTS_BIG_ENDIAN
>> 883 select SYS_SUPPORTS_HIGHMEM
>> 884 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 885 select ZONE_DMA32 if 64BIT
>> 886 select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI
>> 887
>> 888 config SNI_RM
>> 889 bool "SNI RM200/300/400"
>> 890 select ARC_MEMORY
>> 891 select ARC_PROMLIB
>> 892 select FW_ARC if CPU_LITTLE_ENDIAN
>> 893 select FW_ARC32 if CPU_LITTLE_ENDIAN
>> 894 select FW_SNIPROM if CPU_BIG_ENDIAN
>> 895 select ARCH_MAY_HAVE_PC_FDC
>> 896 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 897 select ARCH_MIGHT_HAVE_PC_SERIO
>> 898 select BOOT_ELF32
>> 899 select CEVT_R4K
>> 900 select CSRC_R4K
>> 901 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 902 select DMA_NONCOHERENT
>> 903 select GENERIC_ISA_DMA
>> 904 select HAVE_EISA
>> 905 select HAVE_PCSPKR_PLATFORM
>> 906 select HAVE_PCI
>> 907 select IRQ_MIPS_CPU
>> 908 select I8253
>> 909 select I8259
>> 910 select ISA
>> 911 select MIPS_L1_CACHE_SHIFT_6
>> 912 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
>> 913 select SYS_HAS_CPU_R4X00
>> 914 select SYS_HAS_CPU_R5000
>> 915 select SYS_HAS_CPU_R10000
>> 916 select R5000_CPU_SCACHE
>> 917 select SYS_HAS_EARLY_PRINTK
>> 918 select SYS_SUPPORTS_32BIT_KERNEL
>> 919 select SYS_SUPPORTS_64BIT_KERNEL
>> 920 select SYS_SUPPORTS_BIG_ENDIAN
>> 921 select SYS_SUPPORTS_HIGHMEM
>> 922 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 923 select WAR_R4600_V2_HIT_CACHEOP
>> 924 help
>> 925 The SNI RM200/300/400 are MIPS-based machines manufactured by
>> 926 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
>> 927 Technology and now in turn merged with Fujitsu. Say Y here to
>> 928 support this machine type.
>> 929
>> 930 config MACH_TX39XX
>> 931 bool "Toshiba TX39 series based machines"
>> 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 "Old 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 Newer Loongson-3 will fix these issues and no workarounds are needed.
>> 1355 The workarounds have no significant side effect on them but may
>> 1356 decrease the performance of the system so this option should be
>> 1357 disabled unless the kernel is intended to be run on old systems.
>> 1358
>> 1359 If unsure, please say Y.
>> 1360
>> 1361 config CPU_LOONGSON3_CPUCFG_EMULATION
>> 1362 bool "Emulate the CPUCFG instruction on older Loongson cores"
>> 1363 default y
>> 1364 depends on CPU_LOONGSON64
>> 1365 help
>> 1366 Loongson-3A R4 and newer have the CPUCFG instruction available for
>> 1367 userland to query CPU capabilities, much like CPUID on x86. This
>> 1368 option provides emulation of the instruction on older Loongson
>> 1369 cores, back to Loongson-3A1000.
>> 1370
>> 1371 If unsure, please say Y.
>> 1372
>> 1373 config CPU_LOONGSON2E
>> 1374 bool "Loongson 2E"
>> 1375 depends on SYS_HAS_CPU_LOONGSON2E
>> 1376 select CPU_LOONGSON2EF
>> 1377 help
>> 1378 The Loongson 2E processor implements the MIPS III instruction set
>> 1379 with many extensions.
>> 1380
>> 1381 It has an internal FPGA northbridge, which is compatible to
>> 1382 bonito64.
>> 1383
>> 1384 config CPU_LOONGSON2F
>> 1385 bool "Loongson 2F"
>> 1386 depends on SYS_HAS_CPU_LOONGSON2F
>> 1387 select CPU_LOONGSON2EF
>> 1388 select GPIOLIB
>> 1389 help
>> 1390 The Loongson 2F processor implements the MIPS III instruction set
>> 1391 with many extensions.
>> 1392
>> 1393 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
>> 1394 have a similar programming interface with FPGA northbridge used in
>> 1395 Loongson2E.
>> 1396
>> 1397 config CPU_LOONGSON1B
>> 1398 bool "Loongson 1B"
>> 1399 depends on SYS_HAS_CPU_LOONGSON1B
>> 1400 select CPU_LOONGSON32
>> 1401 select LEDS_GPIO_REGISTER
>> 1402 help
>> 1403 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
>> 1404 Release 1 instruction set and part of the MIPS32 Release 2
>> 1405 instruction set.
>> 1406
>> 1407 config CPU_LOONGSON1C
>> 1408 bool "Loongson 1C"
>> 1409 depends on SYS_HAS_CPU_LOONGSON1C
>> 1410 select CPU_LOONGSON32
>> 1411 select LEDS_GPIO_REGISTER
>> 1412 help
>> 1413 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
>> 1414 Release 1 instruction set and part of the MIPS32 Release 2
>> 1415 instruction set.
>> 1416
>> 1417 config CPU_MIPS32_R1
>> 1418 bool "MIPS32 Release 1"
>> 1419 depends on SYS_HAS_CPU_MIPS32_R1
>> 1420 select CPU_HAS_PREFETCH
>> 1421 select CPU_SUPPORTS_32BIT_KERNEL
>> 1422 select CPU_SUPPORTS_HIGHMEM
>> 1423 help
>> 1424 Choose this option to build a kernel for release 1 or later of the
>> 1425 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1426 MIPS processor are based on a MIPS32 processor. If you know the
>> 1427 specific type of processor in your system, choose those that one
>> 1428 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1429 Release 2 of the MIPS32 architecture is available since several
>> 1430 years so chances are you even have a MIPS32 Release 2 processor
>> 1431 in which case you should choose CPU_MIPS32_R2 instead for better
>> 1432 performance.
525 1433
526 endchoice !! 1434 config CPU_MIPS32_R2
>> 1435 bool "MIPS32 Release 2"
>> 1436 depends on SYS_HAS_CPU_MIPS32_R2
>> 1437 select CPU_HAS_PREFETCH
>> 1438 select CPU_SUPPORTS_32BIT_KERNEL
>> 1439 select CPU_SUPPORTS_HIGHMEM
>> 1440 select CPU_SUPPORTS_MSA
>> 1441 select HAVE_KVM
>> 1442 help
>> 1443 Choose this option to build a kernel for release 2 or later of the
>> 1444 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1445 MIPS processor are based on a MIPS32 processor. If you know the
>> 1446 specific type of processor in your system, choose those that one
>> 1447 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1448
>> 1449 config CPU_MIPS32_R5
>> 1450 bool "MIPS32 Release 5"
>> 1451 depends on SYS_HAS_CPU_MIPS32_R5
>> 1452 select CPU_HAS_PREFETCH
>> 1453 select CPU_SUPPORTS_32BIT_KERNEL
>> 1454 select CPU_SUPPORTS_HIGHMEM
>> 1455 select CPU_SUPPORTS_MSA
>> 1456 select HAVE_KVM
>> 1457 select MIPS_O32_FP64_SUPPORT
>> 1458 help
>> 1459 Choose this option to build a kernel for release 5 or later of the
>> 1460 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1461 family, are based on a MIPS32r5 processor. If you own an older
>> 1462 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1463
>> 1464 config CPU_MIPS32_R6
>> 1465 bool "MIPS32 Release 6"
>> 1466 depends on SYS_HAS_CPU_MIPS32_R6
>> 1467 select CPU_HAS_PREFETCH
>> 1468 select CPU_NO_LOAD_STORE_LR
>> 1469 select CPU_SUPPORTS_32BIT_KERNEL
>> 1470 select CPU_SUPPORTS_HIGHMEM
>> 1471 select CPU_SUPPORTS_MSA
>> 1472 select HAVE_KVM
>> 1473 select MIPS_O32_FP64_SUPPORT
>> 1474 help
>> 1475 Choose this option to build a kernel for release 6 or later of the
>> 1476 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1477 family, are based on a MIPS32r6 processor. If you own an older
>> 1478 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1479
>> 1480 config CPU_MIPS64_R1
>> 1481 bool "MIPS64 Release 1"
>> 1482 depends on SYS_HAS_CPU_MIPS64_R1
>> 1483 select CPU_HAS_PREFETCH
>> 1484 select CPU_SUPPORTS_32BIT_KERNEL
>> 1485 select CPU_SUPPORTS_64BIT_KERNEL
>> 1486 select CPU_SUPPORTS_HIGHMEM
>> 1487 select CPU_SUPPORTS_HUGEPAGES
>> 1488 help
>> 1489 Choose this option to build a kernel for release 1 or later of the
>> 1490 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1491 MIPS processor are based on a MIPS64 processor. If you know the
>> 1492 specific type of processor in your system, choose those that one
>> 1493 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1494 Release 2 of the MIPS64 architecture is available since several
>> 1495 years so chances are you even have a MIPS64 Release 2 processor
>> 1496 in which case you should choose CPU_MIPS64_R2 instead for better
>> 1497 performance.
527 1498
528 config PPC_TRANSACTIONAL_MEM !! 1499 config CPU_MIPS64_R2
529 bool "Transactional Memory support for !! 1500 bool "MIPS64 Release 2"
530 depends on PPC_BOOK3S_64 !! 1501 depends on SYS_HAS_CPU_MIPS64_R2
531 depends on SMP !! 1502 select CPU_HAS_PREFETCH
532 select ALTIVEC !! 1503 select CPU_SUPPORTS_32BIT_KERNEL
533 select VSX !! 1504 select CPU_SUPPORTS_64BIT_KERNEL
>> 1505 select CPU_SUPPORTS_HIGHMEM
>> 1506 select CPU_SUPPORTS_HUGEPAGES
>> 1507 select CPU_SUPPORTS_MSA
>> 1508 select HAVE_KVM
>> 1509 help
>> 1510 Choose this option to build a kernel for release 2 or later of the
>> 1511 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1512 MIPS processor are based on a MIPS64 processor. If you know the
>> 1513 specific type of processor in your system, choose those that one
>> 1514 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1515
>> 1516 config CPU_MIPS64_R5
>> 1517 bool "MIPS64 Release 5"
>> 1518 depends on SYS_HAS_CPU_MIPS64_R5
>> 1519 select CPU_HAS_PREFETCH
>> 1520 select CPU_SUPPORTS_32BIT_KERNEL
>> 1521 select CPU_SUPPORTS_64BIT_KERNEL
>> 1522 select CPU_SUPPORTS_HIGHMEM
>> 1523 select CPU_SUPPORTS_HUGEPAGES
>> 1524 select CPU_SUPPORTS_MSA
>> 1525 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1526 select HAVE_KVM
>> 1527 help
>> 1528 Choose this option to build a kernel for release 5 or later of the
>> 1529 MIPS64 architecture. This is a intermediate MIPS architecture
>> 1530 release partly implementing release 6 features. Though there is no
>> 1531 any hardware known to be based on this release.
>> 1532
>> 1533 config CPU_MIPS64_R6
>> 1534 bool "MIPS64 Release 6"
>> 1535 depends on SYS_HAS_CPU_MIPS64_R6
>> 1536 select CPU_HAS_PREFETCH
>> 1537 select CPU_NO_LOAD_STORE_LR
>> 1538 select CPU_SUPPORTS_32BIT_KERNEL
>> 1539 select CPU_SUPPORTS_64BIT_KERNEL
>> 1540 select CPU_SUPPORTS_HIGHMEM
>> 1541 select CPU_SUPPORTS_HUGEPAGES
>> 1542 select CPU_SUPPORTS_MSA
>> 1543 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1544 select HAVE_KVM
>> 1545 help
>> 1546 Choose this option to build a kernel for release 6 or later of the
>> 1547 MIPS64 architecture. New MIPS processors, starting with the Warrior
>> 1548 family, are based on a MIPS64r6 processor. If you own an older
>> 1549 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
>> 1550
>> 1551 config CPU_P5600
>> 1552 bool "MIPS Warrior P5600"
>> 1553 depends on SYS_HAS_CPU_P5600
>> 1554 select CPU_HAS_PREFETCH
>> 1555 select CPU_SUPPORTS_32BIT_KERNEL
>> 1556 select CPU_SUPPORTS_HIGHMEM
>> 1557 select CPU_SUPPORTS_MSA
>> 1558 select CPU_SUPPORTS_CPUFREQ
>> 1559 select CPU_MIPSR2_IRQ_VI
>> 1560 select CPU_MIPSR2_IRQ_EI
>> 1561 select HAVE_KVM
>> 1562 select MIPS_O32_FP64_SUPPORT
>> 1563 help
>> 1564 Choose this option to build a kernel for MIPS Warrior P5600 CPU.
>> 1565 It's based on MIPS32r5 ISA with XPA, EVA, dual/quad issue exec pipes,
>> 1566 MMU with two-levels TLB, UCA, MSA, MDU core level features and system
>> 1567 level features like up to six P5600 calculation cores, CM2 with L2
>> 1568 cache, IOCU/IOMMU (though might be unused depending on the system-
>> 1569 specific IP core configuration), GIC, CPC, virtualisation module,
>> 1570 eJTAG and PDtrace.
>> 1571
>> 1572 config CPU_R3000
>> 1573 bool "R3000"
>> 1574 depends on SYS_HAS_CPU_R3000
>> 1575 select CPU_HAS_WB
>> 1576 select CPU_R3K_TLB
>> 1577 select CPU_SUPPORTS_32BIT_KERNEL
>> 1578 select CPU_SUPPORTS_HIGHMEM
>> 1579 help
>> 1580 Please make sure to pick the right CPU type. Linux/MIPS is not
>> 1581 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
>> 1582 *not* work on R4000 machines and vice versa. However, since most
>> 1583 of the supported machines have an R4000 (or similar) CPU, R4x00
>> 1584 might be a safe bet. If the resulting kernel does not work,
>> 1585 try to recompile with R3000.
>> 1586
>> 1587 config CPU_TX39XX
>> 1588 bool "R39XX"
>> 1589 depends on SYS_HAS_CPU_TX39XX
>> 1590 select CPU_SUPPORTS_32BIT_KERNEL
>> 1591 select CPU_R3K_TLB
>> 1592
>> 1593 config CPU_VR41XX
>> 1594 bool "R41xx"
>> 1595 depends on SYS_HAS_CPU_VR41XX
>> 1596 select CPU_SUPPORTS_32BIT_KERNEL
>> 1597 select CPU_SUPPORTS_64BIT_KERNEL
>> 1598 help
>> 1599 The options selects support for the NEC VR4100 series of processors.
>> 1600 Only choose this option if you have one of these processors as a
>> 1601 kernel built with this option will not run on any other type of
>> 1602 processor or vice versa.
>> 1603
>> 1604 config CPU_R4300
>> 1605 bool "R4300"
>> 1606 depends on SYS_HAS_CPU_R4300
>> 1607 select CPU_SUPPORTS_32BIT_KERNEL
>> 1608 select CPU_SUPPORTS_64BIT_KERNEL
>> 1609 help
>> 1610 MIPS Technologies R4300-series processors.
>> 1611
>> 1612 config CPU_R4X00
>> 1613 bool "R4x00"
>> 1614 depends on SYS_HAS_CPU_R4X00
>> 1615 select CPU_SUPPORTS_32BIT_KERNEL
>> 1616 select CPU_SUPPORTS_64BIT_KERNEL
>> 1617 select CPU_SUPPORTS_HUGEPAGES
>> 1618 help
>> 1619 MIPS Technologies R4000-series processors other than 4300, including
>> 1620 the R4000, R4400, R4600, and 4700.
>> 1621
>> 1622 config CPU_TX49XX
>> 1623 bool "R49XX"
>> 1624 depends on SYS_HAS_CPU_TX49XX
>> 1625 select CPU_HAS_PREFETCH
>> 1626 select CPU_SUPPORTS_32BIT_KERNEL
>> 1627 select CPU_SUPPORTS_64BIT_KERNEL
>> 1628 select CPU_SUPPORTS_HUGEPAGES
>> 1629
>> 1630 config CPU_R5000
>> 1631 bool "R5000"
>> 1632 depends on SYS_HAS_CPU_R5000
>> 1633 select CPU_SUPPORTS_32BIT_KERNEL
>> 1634 select CPU_SUPPORTS_64BIT_KERNEL
>> 1635 select CPU_SUPPORTS_HUGEPAGES
>> 1636 help
>> 1637 MIPS Technologies R5000-series processors other than the Nevada.
>> 1638
>> 1639 config CPU_R5500
>> 1640 bool "R5500"
>> 1641 depends on SYS_HAS_CPU_R5500
>> 1642 select CPU_SUPPORTS_32BIT_KERNEL
>> 1643 select CPU_SUPPORTS_64BIT_KERNEL
>> 1644 select CPU_SUPPORTS_HUGEPAGES
>> 1645 help
>> 1646 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
>> 1647 instruction set.
>> 1648
>> 1649 config CPU_NEVADA
>> 1650 bool "RM52xx"
>> 1651 depends on SYS_HAS_CPU_NEVADA
>> 1652 select CPU_SUPPORTS_32BIT_KERNEL
>> 1653 select CPU_SUPPORTS_64BIT_KERNEL
>> 1654 select CPU_SUPPORTS_HUGEPAGES
>> 1655 help
>> 1656 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
>> 1657
>> 1658 config CPU_R10000
>> 1659 bool "R10000"
>> 1660 depends on SYS_HAS_CPU_R10000
>> 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 help
>> 1667 MIPS Technologies R10000-series processors.
>> 1668
>> 1669 config CPU_RM7000
>> 1670 bool "RM7000"
>> 1671 depends on SYS_HAS_CPU_RM7000
>> 1672 select CPU_HAS_PREFETCH
>> 1673 select CPU_SUPPORTS_32BIT_KERNEL
>> 1674 select CPU_SUPPORTS_64BIT_KERNEL
>> 1675 select CPU_SUPPORTS_HIGHMEM
>> 1676 select CPU_SUPPORTS_HUGEPAGES
>> 1677
>> 1678 config CPU_SB1
>> 1679 bool "SB1"
>> 1680 depends on SYS_HAS_CPU_SB1
>> 1681 select CPU_SUPPORTS_32BIT_KERNEL
>> 1682 select CPU_SUPPORTS_64BIT_KERNEL
>> 1683 select CPU_SUPPORTS_HIGHMEM
>> 1684 select CPU_SUPPORTS_HUGEPAGES
>> 1685 select WEAK_ORDERING
>> 1686
>> 1687 config CPU_CAVIUM_OCTEON
>> 1688 bool "Cavium Octeon processor"
>> 1689 depends on SYS_HAS_CPU_CAVIUM_OCTEON
>> 1690 select CPU_HAS_PREFETCH
>> 1691 select CPU_SUPPORTS_64BIT_KERNEL
>> 1692 select WEAK_ORDERING
>> 1693 select CPU_SUPPORTS_HIGHMEM
>> 1694 select CPU_SUPPORTS_HUGEPAGES
>> 1695 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1696 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1697 select MIPS_L1_CACHE_SHIFT_7
>> 1698 select HAVE_KVM
>> 1699 help
>> 1700 The Cavium Octeon processor is a highly integrated chip containing
>> 1701 many ethernet hardware widgets for networking tasks. The processor
>> 1702 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
>> 1703 Full details can be found at http://www.caviumnetworks.com.
>> 1704
>> 1705 config CPU_BMIPS
>> 1706 bool "Broadcom BMIPS"
>> 1707 depends on SYS_HAS_CPU_BMIPS
>> 1708 select CPU_MIPS32
>> 1709 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
>> 1710 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
>> 1711 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
>> 1712 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
>> 1713 select CPU_SUPPORTS_32BIT_KERNEL
>> 1714 select DMA_NONCOHERENT
>> 1715 select IRQ_MIPS_CPU
>> 1716 select SWAP_IO_SPACE
>> 1717 select WEAK_ORDERING
>> 1718 select CPU_SUPPORTS_HIGHMEM
>> 1719 select CPU_HAS_PREFETCH
>> 1720 select CPU_SUPPORTS_CPUFREQ
>> 1721 select MIPS_EXTERNAL_TIMER
>> 1722 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
534 help 1723 help
535 Support user-mode Transactional Memo !! 1724 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
536 1725
537 config PPC_UV !! 1726 endchoice
538 bool "Ultravisor support" !! 1727
539 depends on KVM_BOOK3S_HV_POSSIBLE !! 1728 config CPU_MIPS32_3_5_FEATURES
540 depends on DEVICE_PRIVATE !! 1729 bool "MIPS32 Release 3.5 Features"
>> 1730 depends on SYS_HAS_CPU_MIPS32_R3_5
>> 1731 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_MIPS32_R6 || \
>> 1732 CPU_P5600
>> 1733 help
>> 1734 Choose this option to build a kernel for release 2 or later of the
>> 1735 MIPS32 architecture including features from the 3.5 release such as
>> 1736 support for Enhanced Virtual Addressing (EVA).
>> 1737
>> 1738 config CPU_MIPS32_3_5_EVA
>> 1739 bool "Enhanced Virtual Addressing (EVA)"
>> 1740 depends on CPU_MIPS32_3_5_FEATURES
>> 1741 select EVA
>> 1742 default y
>> 1743 help
>> 1744 Choose this option if you want to enable the Enhanced Virtual
>> 1745 Addressing (EVA) on your MIPS32 core (such as proAptiv).
>> 1746 One of its primary benefits is an increase in the maximum size
>> 1747 of lowmem (up to 3GB). If unsure, say 'N' here.
>> 1748
>> 1749 config CPU_MIPS32_R5_FEATURES
>> 1750 bool "MIPS32 Release 5 Features"
>> 1751 depends on SYS_HAS_CPU_MIPS32_R5
>> 1752 depends on CPU_MIPS32_R2 || CPU_MIPS32_R5 || CPU_P5600
>> 1753 help
>> 1754 Choose this option to build a kernel for release 2 or later of the
>> 1755 MIPS32 architecture including features from release 5 such as
>> 1756 support for Extended Physical Addressing (XPA).
>> 1757
>> 1758 config CPU_MIPS32_R5_XPA
>> 1759 bool "Extended Physical Addressing (XPA)"
>> 1760 depends on CPU_MIPS32_R5_FEATURES
>> 1761 depends on !EVA
>> 1762 depends on !PAGE_SIZE_4KB
>> 1763 depends on SYS_SUPPORTS_HIGHMEM
>> 1764 select XPA
>> 1765 select HIGHMEM
>> 1766 select PHYS_ADDR_T_64BIT
541 default n 1767 default n
542 help 1768 help
543 This option paravirtualizes the kern !! 1769 Choose this option if you want to enable the Extended Physical
544 supports the Protected Execution Fac !! 1770 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
545 the ultravisor firmware runs at a pr !! 1771 benefit is to increase physical addressing equal to or greater
546 hypervisor. !! 1772 than 40 bits. Note that this has the side effect of turning on
547 !! 1773 64-bit addressing which in turn makes the PTEs 64-bit in size.
548 If unsure, say "N". !! 1774 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 1775
572 config HOTPLUG_CPU !! 1776 if CPU_LOONGSON2F
573 bool "Support for enabling/disabling C !! 1777 config CPU_NOP_WORKAROUNDS
574 depends on SMP && (PPC_PSERIES || \ !! 1778 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 1779
591 config PPC_QUEUED_SPINLOCKS !! 1780 config CPU_JUMP_WORKAROUNDS
592 bool "Queued spinlocks" if EXPERT !! 1781 bool
593 depends on SMP !! 1782
594 default PPC_BOOK3S_64 !! 1783 config CPU_LOONGSON2F_WORKAROUNDS
>> 1784 bool "Loongson 2F Workarounds"
>> 1785 default y
>> 1786 select CPU_NOP_WORKAROUNDS
>> 1787 select CPU_JUMP_WORKAROUNDS
595 help 1788 help
596 Say Y here to use queued spinlocks w !! 1789 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
597 fairness on large SMP and NUMA syste !! 1790 require workarounds. Without workarounds the system may hang
598 performance. !! 1791 unexpectedly. For more information please refer to the gas
>> 1792 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
599 1793
600 config ARCH_CPU_PROBE_RELEASE !! 1794 Loongson 2F03 and later have fixed these issues and no workarounds
601 def_bool y !! 1795 are needed. The workarounds have no significant side effect on them
602 depends on HOTPLUG_CPU !! 1796 but may decrease the performance of the system so this option should
>> 1797 be disabled unless the kernel is intended to be run on 2F01 or 2F02
>> 1798 systems.
603 1799
604 config PPC64_SUPPORTS_MEMORY_FAILURE !! 1800 If unsure, please say Y.
605 bool "Add support for memory hwpoison" !! 1801 endif # CPU_LOONGSON2F
606 depends on PPC_BOOK3S_64 <<
607 default "y" if PPC_POWERNV <<
608 select ARCH_SUPPORTS_MEMORY_FAILURE <<
609 1802
610 config ARCH_SUPPORTS_KEXEC !! 1803 config SYS_SUPPORTS_ZBOOT
611 def_bool PPC_BOOK3S || PPC_E500 || (44 !! 1804 bool
>> 1805 select HAVE_KERNEL_GZIP
>> 1806 select HAVE_KERNEL_BZIP2
>> 1807 select HAVE_KERNEL_LZ4
>> 1808 select HAVE_KERNEL_LZMA
>> 1809 select HAVE_KERNEL_LZO
>> 1810 select HAVE_KERNEL_XZ
>> 1811 select HAVE_KERNEL_ZSTD
612 1812
613 config ARCH_SUPPORTS_KEXEC_FILE !! 1813 config SYS_SUPPORTS_ZBOOT_UART16550
614 def_bool PPC64 !! 1814 bool
>> 1815 select SYS_SUPPORTS_ZBOOT
615 1816
616 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 1817 config SYS_SUPPORTS_ZBOOT_UART_PROM
617 def_bool y !! 1818 bool
>> 1819 select SYS_SUPPORTS_ZBOOT
618 1820
619 config ARCH_SELECTS_KEXEC_FILE !! 1821 config CPU_LOONGSON2EF
620 def_bool y !! 1822 bool
621 depends on KEXEC_FILE !! 1823 select CPU_SUPPORTS_32BIT_KERNEL
622 select KEXEC_ELF !! 1824 select CPU_SUPPORTS_64BIT_KERNEL
623 select HAVE_IMA_KEXEC if IMA !! 1825 select CPU_SUPPORTS_HIGHMEM
624 !! 1826 select CPU_SUPPORTS_HUGEPAGES
625 config PPC64_BIG_ENDIAN_ELF_ABI_V2 !! 1827 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 1828
642 config RELOCATABLE !! 1829 config CPU_LOONGSON32
643 bool "Build a relocatable kernel" !! 1830 bool
644 depends on PPC64 || (FLATMEM && (44x | !! 1831 select CPU_MIPS32
645 select NONSTATIC_KERNEL !! 1832 select CPU_MIPSR2
646 help !! 1833 select CPU_HAS_PREFETCH
647 This builds a kernel image that is c !! 1834 select CPU_SUPPORTS_32BIT_KERNEL
648 location the kernel is loaded at. Fo !! 1835 select CPU_SUPPORTS_HIGHMEM
649 alignment restrictions, and this fea !! 1836 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 1837
665 config RANDOMIZE_BASE !! 1838 config CPU_BMIPS32_3300
666 bool "Randomize the address of the ker !! 1839 select SMP_UP if SMP
667 depends on PPC_85xx && FLATMEM !! 1840 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 1841
674 If unsure, say Y. !! 1842 config CPU_BMIPS4350
>> 1843 bool
>> 1844 select SYS_SUPPORTS_SMP
>> 1845 select SYS_SUPPORTS_HOTPLUG_CPU
675 1846
676 config RELOCATABLE_TEST !! 1847 config CPU_BMIPS4380
677 bool "Test relocatable kernel" !! 1848 bool
678 depends on (PPC64 && RELOCATABLE) !! 1849 select MIPS_L1_CACHE_SHIFT_6
679 help !! 1850 select SYS_SUPPORTS_SMP
680 This runs the relocatable kernel at !! 1851 select SYS_SUPPORTS_HOTPLUG_CPU
681 loaded at, which tends to be non-zer !! 1852 select CPU_HAS_RIXI
682 relocation code. <<
683 1853
684 config ARCH_SUPPORTS_CRASH_DUMP !! 1854 config CPU_BMIPS5000
685 def_bool PPC64 || PPC_BOOK3S_32 || PPC !! 1855 bool
>> 1856 select MIPS_CPU_SCACHE
>> 1857 select MIPS_L1_CACHE_SHIFT_7
>> 1858 select SYS_SUPPORTS_SMP
>> 1859 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1860 select CPU_HAS_RIXI
686 1861
687 config ARCH_SELECTS_CRASH_DUMP !! 1862 config SYS_HAS_CPU_LOONGSON64
688 def_bool y !! 1863 bool
689 depends on CRASH_DUMP !! 1864 select CPU_SUPPORTS_CPUFREQ
690 select RELOCATABLE if PPC64 || 44x || !! 1865 select CPU_HAS_RIXI
691 1866
692 config ARCH_SUPPORTS_CRASH_HOTPLUG !! 1867 config SYS_HAS_CPU_LOONGSON2E
693 def_bool y !! 1868 bool
694 depends on PPC64 <<
695 1869
696 config FA_DUMP !! 1870 config SYS_HAS_CPU_LOONGSON2F
697 bool "Firmware-assisted dump" !! 1871 bool
698 depends on CRASH_DUMP && PPC64 && (PPC !! 1872 select CPU_SUPPORTS_CPUFREQ
699 help !! 1873 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 1874
728 config IRQ_ALL_CPUS !! 1875 config SYS_HAS_CPU_LOONGSON1B
729 bool "Distribute interrupts on all CPU !! 1876 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 1877
737 config NUMA !! 1878 config SYS_HAS_CPU_LOONGSON1C
738 bool "NUMA Memory Allocation and Sched !! 1879 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 1880
749 config NODES_SHIFT !! 1881 config SYS_HAS_CPU_MIPS32_R1
750 int !! 1882 bool
751 default "8" if PPC64 <<
752 default "4" <<
753 depends on NUMA <<
754 1883
755 config HAVE_MEMORYLESS_NODES !! 1884 config SYS_HAS_CPU_MIPS32_R2
756 def_bool y !! 1885 bool
757 depends on NUMA <<
758 1886
759 config ARCH_SELECT_MEMORY_MODEL !! 1887 config SYS_HAS_CPU_MIPS32_R3_5
760 def_bool y !! 1888 bool
761 depends on PPC64 <<
762 1889
763 config ARCH_FLATMEM_ENABLE !! 1890 config SYS_HAS_CPU_MIPS32_R5
764 def_bool y !! 1891 bool
765 depends on (PPC64 && !NUMA) || PPC32 !! 1892 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
766 1893
767 config ARCH_SPARSEMEM_ENABLE !! 1894 config SYS_HAS_CPU_MIPS32_R6
768 def_bool y !! 1895 bool
769 depends on PPC64 !! 1896 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
770 select SPARSEMEM_VMEMMAP_ENABLE <<
771 1897
772 config ARCH_SPARSEMEM_DEFAULT !! 1898 config SYS_HAS_CPU_MIPS64_R1
773 def_bool y !! 1899 bool
774 depends on PPC_BOOK3S_64 !! 1900
>> 1901 config SYS_HAS_CPU_MIPS64_R2
>> 1902 bool
>> 1903
>> 1904 config SYS_HAS_CPU_MIPS64_R5
>> 1905 bool
>> 1906 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 1907
>> 1908 config SYS_HAS_CPU_MIPS64_R6
>> 1909 bool
>> 1910 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 1911
>> 1912 config SYS_HAS_CPU_P5600
>> 1913 bool
>> 1914 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 1915
>> 1916 config SYS_HAS_CPU_R3000
>> 1917 bool
>> 1918
>> 1919 config SYS_HAS_CPU_TX39XX
>> 1920 bool
>> 1921
>> 1922 config SYS_HAS_CPU_VR41XX
>> 1923 bool
>> 1924
>> 1925 config SYS_HAS_CPU_R4300
>> 1926 bool
>> 1927
>> 1928 config SYS_HAS_CPU_R4X00
>> 1929 bool
>> 1930
>> 1931 config SYS_HAS_CPU_TX49XX
>> 1932 bool
>> 1933
>> 1934 config SYS_HAS_CPU_R5000
>> 1935 bool
>> 1936
>> 1937 config SYS_HAS_CPU_R5500
>> 1938 bool
>> 1939
>> 1940 config SYS_HAS_CPU_NEVADA
>> 1941 bool
>> 1942
>> 1943 config SYS_HAS_CPU_R10000
>> 1944 bool
>> 1945 select ARCH_HAS_SYNC_DMA_FOR_CPU if DMA_NONCOHERENT
>> 1946
>> 1947 config SYS_HAS_CPU_RM7000
>> 1948 bool
>> 1949
>> 1950 config SYS_HAS_CPU_SB1
>> 1951 bool
>> 1952
>> 1953 config SYS_HAS_CPU_CAVIUM_OCTEON
>> 1954 bool
>> 1955
>> 1956 config SYS_HAS_CPU_BMIPS
>> 1957 bool
>> 1958
>> 1959 config SYS_HAS_CPU_BMIPS32_3300
>> 1960 bool
>> 1961 select SYS_HAS_CPU_BMIPS
>> 1962
>> 1963 config SYS_HAS_CPU_BMIPS4350
>> 1964 bool
>> 1965 select SYS_HAS_CPU_BMIPS
>> 1966
>> 1967 config SYS_HAS_CPU_BMIPS4380
>> 1968 bool
>> 1969 select SYS_HAS_CPU_BMIPS
>> 1970
>> 1971 config SYS_HAS_CPU_BMIPS5000
>> 1972 bool
>> 1973 select SYS_HAS_CPU_BMIPS
>> 1974 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 1975
>> 1976 #
>> 1977 # CPU may reorder R->R, R->W, W->R, W->W
>> 1978 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
>> 1979 #
>> 1980 config WEAK_ORDERING
>> 1981 bool
775 1982
776 config ILLEGAL_POINTER_VALUE !! 1983 #
777 hex !! 1984 # CPU may reorder reads and writes beyond LL/SC
778 # This is roughly half way between the !! 1985 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
779 # of kernel space, which seems about a !! 1986 #
780 default 0x5deadbeef0000000 if PPC64 !! 1987 config WEAK_REORDERING_BEYOND_LLSC
>> 1988 bool
>> 1989 endmenu
>> 1990
>> 1991 #
>> 1992 # These two indicate any level of the MIPS32 and MIPS64 architecture
>> 1993 #
>> 1994 config CPU_MIPS32
>> 1995 bool
>> 1996 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R5 || \
>> 1997 CPU_MIPS32_R6 || CPU_P5600
>> 1998
>> 1999 config CPU_MIPS64
>> 2000 bool
>> 2001 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R5 || \
>> 2002 CPU_MIPS64_R6 || CPU_LOONGSON64 || CPU_CAVIUM_OCTEON
>> 2003
>> 2004 #
>> 2005 # These indicate the revision of the architecture
>> 2006 #
>> 2007 config CPU_MIPSR1
>> 2008 bool
>> 2009 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
>> 2010
>> 2011 config CPU_MIPSR2
>> 2012 bool
>> 2013 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
>> 2014 select CPU_HAS_RIXI
>> 2015 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2016 select MIPS_SPRAM
>> 2017
>> 2018 config CPU_MIPSR5
>> 2019 bool
>> 2020 default y if CPU_MIPS32_R5 || CPU_MIPS64_R5 || CPU_P5600
>> 2021 select CPU_HAS_RIXI
>> 2022 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2023 select MIPS_SPRAM
>> 2024
>> 2025 config CPU_MIPSR6
>> 2026 bool
>> 2027 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
>> 2028 select CPU_HAS_RIXI
>> 2029 select CPU_HAS_DIEI if !CPU_DIEI_BROKEN
>> 2030 select HAVE_ARCH_BITREVERSE
>> 2031 select MIPS_ASID_BITS_VARIABLE
>> 2032 select MIPS_CRC_SUPPORT
>> 2033 select MIPS_SPRAM
>> 2034
>> 2035 config TARGET_ISA_REV
>> 2036 int
>> 2037 default 1 if CPU_MIPSR1
>> 2038 default 2 if CPU_MIPSR2
>> 2039 default 5 if CPU_MIPSR5
>> 2040 default 6 if CPU_MIPSR6
781 default 0 2041 default 0
>> 2042 help
>> 2043 Reflects the ISA revision being targeted by the kernel build. This
>> 2044 is effectively the Kconfig equivalent of MIPS_ISA_REV.
782 2045
783 config ARCH_MEMORY_PROBE !! 2046 config EVA
784 def_bool y !! 2047 bool
785 depends on MEMORY_HOTPLUG !! 2048
>> 2049 config XPA
>> 2050 bool
>> 2051
>> 2052 config SYS_SUPPORTS_32BIT_KERNEL
>> 2053 bool
>> 2054 config SYS_SUPPORTS_64BIT_KERNEL
>> 2055 bool
>> 2056 config CPU_SUPPORTS_32BIT_KERNEL
>> 2057 bool
>> 2058 config CPU_SUPPORTS_64BIT_KERNEL
>> 2059 bool
>> 2060 config CPU_SUPPORTS_CPUFREQ
>> 2061 bool
>> 2062 config CPU_SUPPORTS_ADDRWINCFG
>> 2063 bool
>> 2064 config CPU_SUPPORTS_HUGEPAGES
>> 2065 bool
>> 2066 depends on !(32BIT && (PHYS_ADDR_T_64BIT || EVA))
>> 2067 config MIPS_PGD_C0_CONTEXT
>> 2068 bool
>> 2069 depends on 64BIT
>> 2070 default y if (CPU_MIPSR2 || CPU_MIPSR6)
>> 2071
>> 2072 #
>> 2073 # Set to y for ptrace access to watch registers.
>> 2074 #
>> 2075 config HARDWARE_WATCHPOINTS
>> 2076 bool
>> 2077 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
>> 2078
>> 2079 menu "Kernel type"
786 2080
787 choice 2081 choice
788 prompt "Page size" !! 2082 prompt "Kernel code model"
789 default PPC_64K_PAGES if PPC_BOOK3S_64 !! 2083 help
790 default PPC_4K_PAGES !! 2084 You should only select this option if you have a workload that
791 help !! 2085 actually benefits from 64-bit processing or if your machine has
792 Select the kernel logical page size. !! 2086 large memory. You will only be presented a single option in this
793 will reduce software overhead at eac !! 2087 menu if your system does not support both 32-bit and 64-bit kernels.
794 hardware prefetch mechanisms to be m !! 2088
795 larger dma transfers increasing IO e !! 2089 config 32BIT
796 overhead. However the utilization of !! 2090 bool "32-bit kernel"
797 For example, each cached file will u !! 2091 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
798 page size to hold its contents and t !! 2092 select TRAD_SIGNALS
799 end of file and the end of page is w !! 2093 help
800 !! 2094 Select this option if you want to build a 32-bit kernel.
801 Some dedicated systems, such as soft !! 2095
802 accelerated calculations, have shown !! 2096 config 64BIT
803 !! 2097 bool "64-bit kernel"
804 If you configure a 64 bit kernel for !! 2098 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
805 processor does not support them, the !! 2099 help
806 them with 4k pages, loading them on !! 2100 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 2101
841 endchoice 2102 endchoice
842 2103
843 config THREAD_SHIFT !! 2104 config MIPS_VA_BITS_48
844 int "Thread shift" if EXPERT !! 2105 bool "48 bits virtual memory"
845 range 13 15 !! 2106 depends on 64BIT
846 default "15" if PPC_256K_PAGES !! 2107 help
847 default "15" if PPC_PSERIES || PPC_POW !! 2108 Support a maximum at least 48 bits of application virtual
848 default "14" if PPC64 !! 2109 memory. Default is 40 bits or less, depending on the CPU.
849 default "13" !! 2110 For page sizes 16k and above, this option results in a small
850 help !! 2111 memory overhead for page tables. For 4k page size, a fourth
851 Used to define the stack size. The d !! 2112 level of page tables is added which imposes both a memory
852 want. Only change this if you know w !! 2113 overhead as well as slower TLB fault handling.
853 !! 2114
854 config DATA_SHIFT_BOOL !! 2115 If unsure, say N.
855 bool "Set custom data alignment" !! 2116
856 depends on ADVANCED_OPTIONS !! 2117 config ZBOOT_LOAD_ADDRESS
857 depends on STRICT_KERNEL_RWX || DEBUG_ !! 2118 hex "Compressed kernel load address"
858 depends on (PPC_8xx && !PIN_TLB_DATA & !! 2119 default 0xffffffff80400000 if BCM47XX
859 PPC_BOOK3S_32 || PPC_85xx !! 2120 default 0x0
860 help !! 2121 depends on SYS_SUPPORTS_ZBOOT
861 This option allows you to set the ke !! 2122 help
862 RAM is mapped by blocks, the alignme !! 2123 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 2124
915 Don't change if unsure. !! 2125 This is only used if non-zero.
916 2126
917 config PPC_SUBPAGE_PROT !! 2127 choice
918 bool "Support setting protections for !! 2128 prompt "Kernel page size"
919 default n !! 2129 default PAGE_SIZE_4KB
920 depends on PPC_64S_HASH_MMU && PPC_64K !! 2130
>> 2131 config PAGE_SIZE_4KB
>> 2132 bool "4kB"
>> 2133 depends on !CPU_LOONGSON2EF && !CPU_LOONGSON64
>> 2134 help
>> 2135 This option select the standard 4kB Linux page size. On some
>> 2136 R3000-family processors this is the only available page size. Using
>> 2137 4kB page size will minimize memory consumption and is therefore
>> 2138 recommended for low memory systems.
>> 2139
>> 2140 config PAGE_SIZE_8KB
>> 2141 bool "8kB"
>> 2142 depends on CPU_CAVIUM_OCTEON
>> 2143 depends on !MIPS_VA_BITS_48
>> 2144 help
>> 2145 Using 8kB page size will result in higher performance kernel at
>> 2146 the price of higher memory consumption. This option is available
>> 2147 only on cnMIPS processors. Note that you will need a suitable Linux
>> 2148 distribution to support this.
>> 2149
>> 2150 config PAGE_SIZE_16KB
>> 2151 bool "16kB"
>> 2152 depends on !CPU_R3000 && !CPU_TX39XX
>> 2153 help
>> 2154 Using 16kB page size will result in higher performance kernel at
>> 2155 the price of higher memory consumption. This option is available on
>> 2156 all non-R3000 family processors. Note that you will need a suitable
>> 2157 Linux distribution to support this.
>> 2158
>> 2159 config PAGE_SIZE_32KB
>> 2160 bool "32kB"
>> 2161 depends on CPU_CAVIUM_OCTEON
>> 2162 depends on !MIPS_VA_BITS_48
>> 2163 help
>> 2164 Using 32kB page size will result in higher performance kernel at
>> 2165 the price of higher memory consumption. This option is available
>> 2166 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2167 distribution to support this.
>> 2168
>> 2169 config PAGE_SIZE_64KB
>> 2170 bool "64kB"
>> 2171 depends on !CPU_R3000 && !CPU_TX39XX
>> 2172 help
>> 2173 Using 64kB page size will result in higher performance kernel at
>> 2174 the price of higher memory consumption. This option is available on
>> 2175 all non-R3000 family processor. Not that at the time of this
>> 2176 writing this option is still high experimental.
>> 2177
>> 2178 endchoice
>> 2179
>> 2180 config FORCE_MAX_ZONEORDER
>> 2181 int "Maximum zone order"
>> 2182 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2183 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2184 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2185 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2186 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2187 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2188 range 0 64
>> 2189 default "11"
921 help 2190 help
922 This option adds support for system !! 2191 The kernel memory allocator divides physically contiguous memory
923 to set access permissions (read/writ !! 2192 blocks into "zones", where each zone is a power of two number of
924 on the 4k subpages of each 64k page. !! 2193 pages. This option selects the largest power of two that the kernel
>> 2194 keeps in the memory allocator. If you need to allocate very large
>> 2195 blocks of physically contiguous memory, then you may need to
>> 2196 increase this value.
>> 2197
>> 2198 This config option is actually maximum order plus one. For example,
>> 2199 a value of 11 means that the largest free memory block is 2^10 pages.
925 2200
926 If unsure, say N here. !! 2201 The page size is not necessarily 4KB. Keep this in mind
>> 2202 when choosing a value for this option.
927 2203
928 config PPC_PROT_SAO_LPAR !! 2204 config BOARD_SCACHE
929 bool "Support PROT_SAO mappings in LPA !! 2205 bool
930 depends on PPC_BOOK3S_64 !! 2206
>> 2207 config IP22_CPU_SCACHE
>> 2208 bool
>> 2209 select BOARD_SCACHE
>> 2210
>> 2211 #
>> 2212 # Support for a MIPS32 / MIPS64 style S-caches
>> 2213 #
>> 2214 config MIPS_CPU_SCACHE
>> 2215 bool
>> 2216 select BOARD_SCACHE
>> 2217
>> 2218 config R5000_CPU_SCACHE
>> 2219 bool
>> 2220 select BOARD_SCACHE
>> 2221
>> 2222 config RM7000_CPU_SCACHE
>> 2223 bool
>> 2224 select BOARD_SCACHE
>> 2225
>> 2226 config SIBYTE_DMA_PAGEOPS
>> 2227 bool "Use DMA to clear/copy pages"
>> 2228 depends on CPU_SB1
931 help 2229 help
932 This option adds support for PROT_SA !! 2230 Instead of using the CPU to zero and copy pages, use a Data Mover
933 inside LPARs on supported CPUs. !! 2231 channel. These DMA channels are otherwise unused by the standard
>> 2232 SiByte Linux port. Seems to give a small performance benefit.
934 2233
935 This may cause issues when performin !! 2234 config CPU_HAS_PREFETCH
936 a CPU that supports SAO to one that !! 2235 bool
>> 2236
>> 2237 config CPU_GENERIC_DUMP_TLB
>> 2238 bool
>> 2239 default y if !(CPU_R3000 || CPU_TX39XX)
937 2240
938 If unsure, say N here. !! 2241 config MIPS_FP_SUPPORT
>> 2242 bool "Floating Point support" if EXPERT
>> 2243 default y
>> 2244 help
>> 2245 Select y to include support for floating point in the kernel
>> 2246 including initialization of FPU hardware, FP context save & restore
>> 2247 and emulation of an FPU where necessary. Without this support any
>> 2248 userland program attempting to use floating point instructions will
>> 2249 receive a SIGILL.
939 2250
940 config PPC_COPRO_BASE !! 2251 If you know that your userland will not attempt to use floating point
>> 2252 instructions then you can say n here to shrink the kernel a little.
>> 2253
>> 2254 If unsure, say y.
>> 2255
>> 2256 config CPU_R2300_FPU
>> 2257 bool
>> 2258 depends on MIPS_FP_SUPPORT
>> 2259 default y if CPU_R3000 || CPU_TX39XX
>> 2260
>> 2261 config CPU_R3K_TLB
>> 2262 bool
>> 2263
>> 2264 config CPU_R4K_FPU
>> 2265 bool
>> 2266 depends on MIPS_FP_SUPPORT
>> 2267 default y if !CPU_R2300_FPU
>> 2268
>> 2269 config CPU_R4K_CACHE_TLB
>> 2270 bool
>> 2271 default y if !(CPU_R3K_TLB || CPU_SB1 || CPU_CAVIUM_OCTEON)
>> 2272
>> 2273 config MIPS_MT_SMP
>> 2274 bool "MIPS MT SMP support (1 TC on each available VPE)"
>> 2275 default y
>> 2276 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
>> 2277 select CPU_MIPSR2_IRQ_VI
>> 2278 select CPU_MIPSR2_IRQ_EI
>> 2279 select SYNC_R4K
>> 2280 select MIPS_MT
>> 2281 select SMP
>> 2282 select SMP_UP
>> 2283 select SYS_SUPPORTS_SMP
>> 2284 select SYS_SUPPORTS_SCHED_SMT
>> 2285 select MIPS_PERF_SHARED_TC_COUNTERS
>> 2286 help
>> 2287 This is a kernel model which is known as SMVP. This is supported
>> 2288 on cores with the MT ASE and uses the available VPEs to implement
>> 2289 virtual processors which supports SMP. This is equivalent to the
>> 2290 Intel Hyperthreading feature. For further information go to
>> 2291 <http://www.imgtec.com/mips/mips-multithreading.asp>.
>> 2292
>> 2293 config MIPS_MT
941 bool 2294 bool
942 2295
943 config SCHED_SMT 2296 config SCHED_SMT
944 bool "SMT (Hyperthreading) scheduler s !! 2297 bool "SMT (multithreading) scheduler support"
945 depends on PPC64 && SMP !! 2298 depends on SYS_SUPPORTS_SCHED_SMT
>> 2299 default n
946 help 2300 help
947 SMT scheduler support improves the C 2301 SMT scheduler support improves the CPU scheduler's decision making
948 when dealing with POWER5 cpus at a c !! 2302 when dealing with MIPS MT enabled cores at a cost of slightly
949 overhead in some places. If unsure s !! 2303 increased overhead in some places. If unsure say N here.
950 2304
951 config PPC_DENORMALISATION !! 2305 config SYS_SUPPORTS_SCHED_SMT
952 bool "PowerPC denormalisation exceptio !! 2306 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 2307
968 choice !! 2308 config SYS_SUPPORTS_MULTITHREADING
969 prompt "Kernel command line type" !! 2309 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 2310
994 endchoice !! 2311 config MIPS_MT_FPAFF
>> 2312 bool "Dynamic FPU affinity for FP-intensive threads"
>> 2313 default y
>> 2314 depends on MIPS_MT_SMP
995 2315
996 config EXTRA_TARGETS !! 2316 config MIPSR2_TO_R6_EMULATOR
997 string "Additional default image types !! 2317 bool "MIPS R2-to-R6 emulator"
>> 2318 depends on CPU_MIPSR6
>> 2319 depends on MIPS_FP_SUPPORT
>> 2320 default y
998 help 2321 help
999 List additional targets to be built !! 2322 Choose this option if you want to run non-R6 MIPS userland code.
1000 by spaces). This is useful for tar !! 2323 Even if you say 'Y' here, the emulator will still be disabled by
1001 files in the .dts directory. !! 2324 default. You can enable it using the 'mipsr2emu' kernel option.
>> 2325 The only reason this is a build-time option is to save ~14K from the
>> 2326 final kernel image.
1002 2327
1003 Targets in this list will be build !! 2328 config SYS_SUPPORTS_VPE_LOADER
1004 target, or when the user does a 'ma !! 2329 bool
1005 'make zImage.initrd'. !! 2330 depends on SYS_SUPPORTS_MULTITHREADING
>> 2331 help
>> 2332 Indicates that the platform supports the VPE loader, and provides
>> 2333 physical_memsize.
1006 2334
1007 If unsure, leave blank !! 2335 config MIPS_VPE_LOADER
>> 2336 bool "VPE loader support."
>> 2337 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
>> 2338 select CPU_MIPSR2_IRQ_VI
>> 2339 select CPU_MIPSR2_IRQ_EI
>> 2340 select MIPS_MT
>> 2341 help
>> 2342 Includes a loader for loading an elf relocatable object
>> 2343 onto another VPE and running it.
1008 2344
1009 config ARCH_WANTS_FREEZER_CONTROL !! 2345 config MIPS_VPE_LOADER_CMP
1010 def_bool y !! 2346 bool
1011 depends on ADB_PMU !! 2347 default "y"
>> 2348 depends on MIPS_VPE_LOADER && MIPS_CMP
1012 2349
1013 source "kernel/power/Kconfig" !! 2350 config MIPS_VPE_LOADER_MT
>> 2351 bool
>> 2352 default "y"
>> 2353 depends on MIPS_VPE_LOADER && !MIPS_CMP
1014 2354
1015 config PPC_MEM_KEYS !! 2355 config MIPS_VPE_LOADER_TOM
1016 prompt "PowerPC Memory Protection Key !! 2356 bool "Load VPE program into memory hidden from linux"
1017 def_bool y !! 2357 depends on MIPS_VPE_LOADER
1018 depends on PPC_BOOK3S_64 !! 2358 default y
1019 depends on PPC_64S_HASH_MMU !! 2359 help
1020 select ARCH_USES_HIGH_VMA_FLAGS !! 2360 The loader can use memory that is present but has been hidden from
1021 select ARCH_HAS_PKEYS !! 2361 Linux using the kernel command line option "mem=xxMB". It's up to
1022 help !! 2362 you to ensure the amount you put in the option and the space your
1023 Memory Protection Keys provides a m !! 2363 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 2364
1027 For details, see Documentation/core !! 2365 config MIPS_VPE_APSP_API
>> 2366 bool "Enable support for AP/SP API (RTLX)"
>> 2367 depends on MIPS_VPE_LOADER
1028 2368
1029 If unsure, say y. !! 2369 config MIPS_VPE_APSP_API_CMP
>> 2370 bool
>> 2371 default "y"
>> 2372 depends on MIPS_VPE_APSP_API && MIPS_CMP
1030 2373
1031 config ARCH_PKEY_BITS !! 2374 config MIPS_VPE_APSP_API_MT
1032 int !! 2375 bool
1033 default 5 !! 2376 default "y"
>> 2377 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2378
>> 2379 config MIPS_CMP
>> 2380 bool "MIPS CMP framework support (DEPRECATED)"
>> 2381 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2382 select SMP
>> 2383 select SYNC_R4K
>> 2384 select SYS_SUPPORTS_SMP
>> 2385 select WEAK_ORDERING
>> 2386 default n
>> 2387 help
>> 2388 Select this if you are using a bootloader which implements the "CMP
>> 2389 framework" protocol (ie. YAMON) and want your kernel to make use of
>> 2390 its ability to start secondary CPUs.
>> 2391
>> 2392 Unless you have a specific need, you should use CONFIG_MIPS_CPS
>> 2393 instead of this.
>> 2394
>> 2395 config MIPS_CPS
>> 2396 bool "MIPS Coherent Processing System support"
>> 2397 depends on SYS_SUPPORTS_MIPS_CPS
>> 2398 select MIPS_CM
>> 2399 select MIPS_CPS_PM if HOTPLUG_CPU
>> 2400 select SMP
>> 2401 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
>> 2402 select SYS_SUPPORTS_HOTPLUG_CPU
>> 2403 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
>> 2404 select SYS_SUPPORTS_SMP
>> 2405 select WEAK_ORDERING
>> 2406 select GENERIC_IRQ_MIGRATION if HOTPLUG_CPU
>> 2407 help
>> 2408 Select this if you wish to run an SMP kernel across multiple cores
>> 2409 within a MIPS Coherent Processing System. When this option is
>> 2410 enabled the kernel will probe for other cores and boot them with
>> 2411 no external assistance. It is safe to enable this when hardware
>> 2412 support is unavailable.
1034 2413
1035 config PPC_SECURE_BOOT !! 2414 config MIPS_CPS_PM
1036 prompt "Enable secure boot support" !! 2415 depends on MIPS_CPS
1037 bool 2416 bool
1038 depends on PPC_POWERNV || PPC_PSERIES <<
1039 depends on IMA_ARCH_POLICY <<
1040 imply IMA_SECURE_AND_OR_TRUSTED_BOOT <<
1041 select PSERIES_PLPKS if PPC_PSERIES <<
1042 help <<
1043 Systems with firmware secure boot e <<
1044 policies to extend secure boot to t <<
1045 to enable OS secure boot on systems <<
1046 it. If in doubt say N. <<
1047 2417
1048 config PPC_SECVAR_SYSFS !! 2418 config MIPS_CM
1049 bool "Enable sysfs interface for POWE !! 2419 bool
>> 2420 select MIPS_CPC
>> 2421
>> 2422 config MIPS_CPC
>> 2423 bool
>> 2424
>> 2425 config SB1_PASS_2_WORKAROUNDS
>> 2426 bool
>> 2427 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
1050 default y 2428 default y
1051 depends on PPC_SECURE_BOOT !! 2429
1052 depends on SYSFS !! 2430 config SB1_PASS_2_1_WORKAROUNDS
>> 2431 bool
>> 2432 depends on CPU_SB1 && CPU_SB1_PASS_2
>> 2433 default y
>> 2434
>> 2435 choice
>> 2436 prompt "SmartMIPS or microMIPS ASE support"
>> 2437
>> 2438 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
>> 2439 bool "None"
1053 help 2440 help
1054 POWER secure variables are managed !! 2441 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 2442
1059 endmenu !! 2443 config CPU_HAS_SMARTMIPS
>> 2444 depends on SYS_SUPPORTS_SMARTMIPS
>> 2445 bool "SmartMIPS"
>> 2446 help
>> 2447 SmartMIPS is a extension of the MIPS32 architecture aimed at
>> 2448 increased security at both hardware and software level for
>> 2449 smartcards. Enabling this option will allow proper use of the
>> 2450 SmartMIPS instructions by Linux applications. However a kernel with
>> 2451 this option will not work on a MIPS core without SmartMIPS core. If
>> 2452 you don't know you probably don't have SmartMIPS and should say N
>> 2453 here.
>> 2454
>> 2455 config CPU_MICROMIPS
>> 2456 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
>> 2457 bool "microMIPS"
>> 2458 help
>> 2459 When this option is enabled the kernel will be built using the
>> 2460 microMIPS ISA
1060 2461
1061 config ISA_DMA_API !! 2462 endchoice
>> 2463
>> 2464 config CPU_HAS_MSA
>> 2465 bool "Support for the MIPS SIMD Architecture"
>> 2466 depends on CPU_SUPPORTS_MSA
>> 2467 depends on MIPS_FP_SUPPORT
>> 2468 depends on 64BIT || MIPS_O32_FP64_SUPPORT
>> 2469 help
>> 2470 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
>> 2471 and a set of SIMD instructions to operate on them. When this option
>> 2472 is enabled the kernel will support allocating & switching MSA
>> 2473 vector register contexts. If you know that your kernel will only be
>> 2474 running on CPUs which do not support MSA or that your userland will
>> 2475 not be making use of it then you may wish to say N here to reduce
>> 2476 the size & complexity of your kernel.
>> 2477
>> 2478 If unsure, say Y.
>> 2479
>> 2480 config CPU_HAS_WB
>> 2481 bool
>> 2482
>> 2483 config XKS01
1062 bool 2484 bool
1063 default PCI <<
1064 2485
1065 menu "Bus options" !! 2486 config CPU_HAS_DIEI
>> 2487 depends on !CPU_DIEI_BROKEN
>> 2488 bool
1066 2489
1067 config ISA !! 2490 config CPU_DIEI_BROKEN
1068 bool "Support for ISA-bus hardware" !! 2491 bool
1069 depends on PPC_CHRP <<
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 2492
1078 config GENERIC_ISA_DMA !! 2493 config CPU_HAS_RIXI
1079 bool 2494 bool
1080 depends on ISA_DMA_API !! 2495
>> 2496 config CPU_NO_LOAD_STORE_LR
>> 2497 bool
>> 2498 help
>> 2499 CPU lacks support for unaligned load and store instructions:
>> 2500 LWL, LWR, SWL, SWR (Load/store word left/right).
>> 2501 LDL, LDR, SDL, SDR (Load/store doubleword left/right, for 64bit
>> 2502 systems).
>> 2503
>> 2504 #
>> 2505 # Vectored interrupt mode is an R2 feature
>> 2506 #
>> 2507 config CPU_MIPSR2_IRQ_VI
>> 2508 bool
>> 2509
>> 2510 #
>> 2511 # Extended interrupt mode is an R2 feature
>> 2512 #
>> 2513 config CPU_MIPSR2_IRQ_EI
>> 2514 bool
>> 2515
>> 2516 config CPU_HAS_SYNC
>> 2517 bool
>> 2518 depends on !CPU_R3000
1081 default y 2519 default y
1082 2520
1083 config PPC_INDIRECT_PCI !! 2521 #
>> 2522 # CPU non-features
>> 2523 #
>> 2524 config CPU_DADDI_WORKAROUNDS
1084 bool 2525 bool
1085 depends on PCI <<
1086 default y if 44x <<
1087 2526
1088 config SBUS !! 2527 config CPU_R4000_WORKAROUNDS
1089 bool 2528 bool
>> 2529 select CPU_R4400_WORKAROUNDS
1090 2530
1091 config FSL_SOC !! 2531 config CPU_R4400_WORKAROUNDS
1092 bool 2532 bool
1093 2533
1094 config FSL_PCI !! 2534 config CPU_R4X00_BUGS64
1095 bool 2535 bool
1096 select ARCH_HAS_DMA_SET_MASK !! 2536 default y if SYS_HAS_CPU_R4X00 && 64BIT && (TARGET_ISA_REV < 1)
1097 select PPC_INDIRECT_PCI !! 2537
1098 select PCI_QUIRKS !! 2538 config MIPS_ASID_SHIFT
>> 2539 int
>> 2540 default 6 if CPU_R3000 || CPU_TX39XX
>> 2541 default 0
>> 2542
>> 2543 config MIPS_ASID_BITS
>> 2544 int
>> 2545 default 0 if MIPS_ASID_BITS_VARIABLE
>> 2546 default 6 if CPU_R3000 || CPU_TX39XX
>> 2547 default 8
>> 2548
>> 2549 config MIPS_ASID_BITS_VARIABLE
>> 2550 bool
>> 2551
>> 2552 config MIPS_CRC_SUPPORT
>> 2553 bool
>> 2554
>> 2555 # R4600 erratum. Due to the lack of errata information the exact
>> 2556 # technical details aren't known. I've experimentally found that disabling
>> 2557 # interrupts during indexed I-cache flushes seems to be sufficient to deal
>> 2558 # with the issue.
>> 2559 config WAR_R4600_V1_INDEX_ICACHEOP
>> 2560 bool
>> 2561
>> 2562 # Pleasures of the R4600 V1.x. Cite from the IDT R4600 V1.7 errata:
>> 2563 #
>> 2564 # 18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
>> 2565 # Hit_Invalidate_D and Create_Dirty_Excl_D should only be
>> 2566 # executed if there is no other dcache activity. If the dcache is
>> 2567 # accessed for another instruction immediately preceding when these
>> 2568 # cache instructions are executing, it is possible that the dcache
>> 2569 # tag match outputs used by these cache instructions will be
>> 2570 # incorrect. These cache instructions should be preceded by at least
>> 2571 # four instructions that are not any kind of load or store
>> 2572 # instruction.
>> 2573 #
>> 2574 # This is not allowed: lw
>> 2575 # nop
>> 2576 # nop
>> 2577 # nop
>> 2578 # cache Hit_Writeback_Invalidate_D
>> 2579 #
>> 2580 # This is allowed: lw
>> 2581 # nop
>> 2582 # nop
>> 2583 # nop
>> 2584 # nop
>> 2585 # cache Hit_Writeback_Invalidate_D
>> 2586 config WAR_R4600_V1_HIT_CACHEOP
>> 2587 bool
>> 2588
>> 2589 # Writeback and invalidate the primary cache dcache before DMA.
>> 2590 #
>> 2591 # R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
>> 2592 # Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
>> 2593 # operate correctly if the internal data cache refill buffer is empty. These
>> 2594 # CACHE instructions should be separated from any potential data cache miss
>> 2595 # by a load instruction to an uncached address to empty the response buffer."
>> 2596 # (Revision 2.0 device errata from IDT available on https://www.idt.com/
>> 2597 # in .pdf format.)
>> 2598 config WAR_R4600_V2_HIT_CACHEOP
>> 2599 bool
>> 2600
>> 2601 # From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
>> 2602 # the line which this instruction itself exists, the following
>> 2603 # operation is not guaranteed."
>> 2604 #
>> 2605 # Workaround: do two phase flushing for Index_Invalidate_I
>> 2606 config WAR_TX49XX_ICACHE_INDEX_INV
>> 2607 bool
>> 2608
>> 2609 # The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
>> 2610 # opposes it being called that) where invalid instructions in the same
>> 2611 # I-cache line worth of instructions being fetched may case spurious
>> 2612 # exceptions.
>> 2613 config WAR_ICACHE_REFILLS
>> 2614 bool
>> 2615
>> 2616 # On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
>> 2617 # may cause ll / sc and lld / scd sequences to execute non-atomically.
>> 2618 config WAR_R10000_LLSC
>> 2619 bool
>> 2620
>> 2621 # 34K core erratum: "Problems Executing the TLBR Instruction"
>> 2622 config WAR_MIPS34K_MISSED_ITLB
>> 2623 bool
>> 2624
>> 2625 #
>> 2626 # - Highmem only makes sense for the 32-bit kernel.
>> 2627 # - The current highmem code will only work properly on physically indexed
>> 2628 # caches such as R3000, SB1, R7000 or those that look like they're virtually
>> 2629 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
>> 2630 # moment we protect the user and offer the highmem option only on machines
>> 2631 # where it's known to be safe. This will not offer highmem on a few systems
>> 2632 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
>> 2633 # indexed CPUs but we're playing safe.
>> 2634 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
>> 2635 # know they might have memory configurations that could make use of highmem
>> 2636 # support.
>> 2637 #
>> 2638 config HIGHMEM
>> 2639 bool "High Memory Support"
>> 2640 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
>> 2641 select KMAP_LOCAL
1099 2642
1100 config FSL_PMC !! 2643 config CPU_SUPPORTS_HIGHMEM
>> 2644 bool
>> 2645
>> 2646 config SYS_SUPPORTS_HIGHMEM
>> 2647 bool
>> 2648
>> 2649 config SYS_SUPPORTS_SMARTMIPS
>> 2650 bool
>> 2651
>> 2652 config SYS_SUPPORTS_MICROMIPS
>> 2653 bool
>> 2654
>> 2655 config SYS_SUPPORTS_MIPS16
1101 bool 2656 bool
1102 default y <<
1103 depends on SUSPEND && (PPC_85xx || PP <<
1104 help 2657 help
1105 Freescale MPC85xx/MPC86xx power man !! 2658 This option must be set if a kernel might be executed on a MIPS16-
1106 (suspend/resume). For MPC83xx see p !! 2659 enabled CPU even if MIPS16 is not actually being used. In other
>> 2660 words, it makes the kernel MIPS16-tolerant.
>> 2661
>> 2662 config CPU_SUPPORTS_MSA
>> 2663 bool
>> 2664
>> 2665 config ARCH_FLATMEM_ENABLE
>> 2666 def_bool y
>> 2667 depends on !NUMA && !CPU_LOONGSON2EF
>> 2668
>> 2669 config ARCH_SPARSEMEM_ENABLE
>> 2670 bool
>> 2671 select SPARSEMEM_STATIC if !SGI_IP27
1107 2672
1108 config PPC4xx_CPM !! 2673 config NUMA
>> 2674 bool "NUMA Support"
>> 2675 depends on SYS_SUPPORTS_NUMA
>> 2676 select SMP
>> 2677 select HAVE_SETUP_PER_CPU_AREA
>> 2678 select NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 2679 help
>> 2680 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 2681 Access). This option improves performance on systems with more
>> 2682 than two nodes; on two node systems it is generally better to
>> 2683 leave it disabled; on single node systems leave this option
>> 2684 disabled.
>> 2685
>> 2686 config SYS_SUPPORTS_NUMA
1109 bool 2687 bool
>> 2688
>> 2689 config RELOCATABLE
>> 2690 bool "Relocatable kernel"
>> 2691 depends on SYS_SUPPORTS_RELOCATABLE
>> 2692 depends on CPU_MIPS32_R2 || CPU_MIPS64_R2 || \
>> 2693 CPU_MIPS32_R5 || CPU_MIPS64_R5 || \
>> 2694 CPU_MIPS32_R6 || CPU_MIPS64_R6 || \
>> 2695 CPU_P5600 || CAVIUM_OCTEON_SOC || \
>> 2696 CPU_LOONGSON64
>> 2697 help
>> 2698 This builds a kernel image that retains relocation information
>> 2699 so it can be loaded someplace besides the default 1MB.
>> 2700 The relocations make the kernel binary about 15% larger,
>> 2701 but are discarded at runtime
>> 2702
>> 2703 config RELOCATION_TABLE_SIZE
>> 2704 hex "Relocation table size"
>> 2705 depends on RELOCATABLE
>> 2706 range 0x0 0x01000000
>> 2707 default "0x00200000" if CPU_LOONGSON64
>> 2708 default "0x00100000"
>> 2709 help
>> 2710 A table of relocation data will be appended to the kernel binary
>> 2711 and parsed at boot to fix up the relocated kernel.
>> 2712
>> 2713 This option allows the amount of space reserved for the table to be
>> 2714 adjusted, although the default of 1Mb should be ok in most cases.
>> 2715
>> 2716 The build will fail and a valid size suggested if this is too small.
>> 2717
>> 2718 If unsure, leave at the default value.
>> 2719
>> 2720 config RANDOMIZE_BASE
>> 2721 bool "Randomize the address of the kernel image"
>> 2722 depends on RELOCATABLE
>> 2723 help
>> 2724 Randomizes the physical and virtual address at which the
>> 2725 kernel image is loaded, as a security feature that
>> 2726 deters exploit attempts relying on knowledge of the location
>> 2727 of kernel internals.
>> 2728
>> 2729 Entropy is generated using any coprocessor 0 registers available.
>> 2730
>> 2731 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
>> 2732
>> 2733 If unsure, say N.
>> 2734
>> 2735 config RANDOMIZE_BASE_MAX_OFFSET
>> 2736 hex "Maximum kASLR offset" if EXPERT
>> 2737 depends on RANDOMIZE_BASE
>> 2738 range 0x0 0x40000000 if EVA || 64BIT
>> 2739 range 0x0 0x08000000
>> 2740 default "0x01000000"
>> 2741 help
>> 2742 When kASLR is active, this provides the maximum offset that will
>> 2743 be applied to the kernel image. It should be set according to the
>> 2744 amount of physical RAM available in the target system minus
>> 2745 PHYSICAL_START and must be a power of 2.
>> 2746
>> 2747 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
>> 2748 EVA or 64-bit. The default is 16Mb.
>> 2749
>> 2750 config NODES_SHIFT
>> 2751 int
>> 2752 default "6"
>> 2753 depends on NUMA
>> 2754
>> 2755 config HW_PERF_EVENTS
>> 2756 bool "Enable hardware performance counter support for perf events"
>> 2757 depends on PERF_EVENTS && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_LOONGSON64)
1110 default y 2758 default y
1111 depends on SUSPEND && 44x <<
1112 help 2759 help
1113 PPC4xx Clock Power Management (CPM) !! 2760 Enable hardware performance counter support for perf events. If
1114 It also enables support for two dif !! 2761 disabled, perf events will use software events only.
1115 and idle-doze). <<
1116 2762
1117 config FSL_LBC !! 2763 config DMI
1118 bool "Freescale Local Bus support" !! 2764 bool "Enable DMI scanning"
>> 2765 depends on MACH_LOONGSON64
>> 2766 select DMI_SCAN_MACHINE_NON_EFI_FALLBACK
>> 2767 default y
1119 help 2768 help
1120 Enables reporting of errors from th !! 2769 Enabled scanning of DMI to identify machine quirks. Say Y
1121 controller. Also contains some com !! 2770 here unless you have verified that your setup is not
1122 drivers for specific local bus peri !! 2771 affected by entries in the DMI blacklist. Required by PNP
>> 2772 BIOS code.
1123 2773
1124 config FSL_GTM !! 2774 config SMP
1125 bool !! 2775 bool "Multi-Processing support"
1126 depends on PPC_83xx || QUICC_ENGINE | !! 2776 depends on SYS_SUPPORTS_SMP
1127 help 2777 help
1128 Freescale General-purpose Timers su !! 2778 This enables support for systems with more than one CPU. If you have
>> 2779 a system with only one CPU, say N. If you have a system with more
>> 2780 than one CPU, say Y.
>> 2781
>> 2782 If you say N here, the kernel will run on uni- and multiprocessor
>> 2783 machines, but will use only one CPU of a multiprocessor machine. If
>> 2784 you say Y here, the kernel will run on many, but not all,
>> 2785 uniprocessor machines. On a uniprocessor machine, the kernel
>> 2786 will run faster if you say N here.
1129 2787
1130 config FSL_RIO !! 2788 People using multiprocessor machines who say Y here should also say
1131 bool "Freescale Embedded SRIO Control !! 2789 Y to "Enhanced Real Time Clock Support", below.
1132 depends on RAPIDIO = y && HAVE_RAPIDI !! 2790
1133 default "n" !! 2791 See also the SMP-HOWTO available at
>> 2792 <https://www.tldp.org/docs.html#howto>.
>> 2793
>> 2794 If you don't know what to do here, say N.
>> 2795
>> 2796 config HOTPLUG_CPU
>> 2797 bool "Support for hot-pluggable CPUs"
>> 2798 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
1134 help 2799 help
1135 Include support for RapidIO control !! 2800 Say Y here to allow turning CPUs off and on. CPUs can be
1136 processors (MPC8548, MPC8641, etc). !! 2801 controlled through /sys/devices/system/cpu.
>> 2802 (Note: power management support will enable this option
>> 2803 automatically on SMP systems. )
>> 2804 Say N if you want to disable CPU hotplug.
1137 2805
1138 endmenu !! 2806 config SMP_UP
>> 2807 bool
1139 2808
1140 config NONSTATIC_KERNEL !! 2809 config SYS_SUPPORTS_MIPS_CMP
1141 bool 2810 bool
1142 2811
1143 menu "Advanced setup" !! 2812 config SYS_SUPPORTS_MIPS_CPS
1144 depends on PPC32 !! 2813 bool
>> 2814
>> 2815 config SYS_SUPPORTS_SMP
>> 2816 bool
>> 2817
>> 2818 config NR_CPUS_DEFAULT_4
>> 2819 bool
1145 2820
1146 config ADVANCED_OPTIONS !! 2821 config NR_CPUS_DEFAULT_8
1147 bool "Prompt for advanced kernel conf !! 2822 bool
>> 2823
>> 2824 config NR_CPUS_DEFAULT_16
>> 2825 bool
>> 2826
>> 2827 config NR_CPUS_DEFAULT_32
>> 2828 bool
>> 2829
>> 2830 config NR_CPUS_DEFAULT_64
>> 2831 bool
>> 2832
>> 2833 config NR_CPUS
>> 2834 int "Maximum number of CPUs (2-256)"
>> 2835 range 2 256
>> 2836 depends on SMP
>> 2837 default "4" if NR_CPUS_DEFAULT_4
>> 2838 default "8" if NR_CPUS_DEFAULT_8
>> 2839 default "16" if NR_CPUS_DEFAULT_16
>> 2840 default "32" if NR_CPUS_DEFAULT_32
>> 2841 default "64" if NR_CPUS_DEFAULT_64
1148 help 2842 help
1149 This option will enable prompting f !! 2843 This allows you to specify the maximum number of CPUs which this
1150 configuration options. These optio !! 2844 kernel will support. The maximum supported value is 32 for 32-bit
1151 work if they are set incorrectly, b !! 2845 kernel and 64 for 64-bit kernels; the minimum value which makes
1152 aspects of kernel memory management !! 2846 sense is 1 for Qemu (useful only for kernel debugging purposes)
>> 2847 and 2 for all others.
1153 2848
1154 Unless you know what you are doing, !! 2849 This is purely to save memory - each supported CPU adds
>> 2850 approximately eight kilobytes to the kernel image. For best
>> 2851 performance should round up your number of processors to the next
>> 2852 power of two.
1155 2853
1156 comment "Default settings for advanced config !! 2854 config MIPS_PERF_SHARED_TC_COUNTERS
1157 depends on !ADVANCED_OPTIONS !! 2855 bool
1158 2856
1159 config LOWMEM_SIZE_BOOL !! 2857 config MIPS_NR_CPU_NR_MAP_1024
1160 bool "Set maximum low memory" !! 2858 bool
1161 depends on ADVANCED_OPTIONS !! 2859
>> 2860 config MIPS_NR_CPU_NR_MAP
>> 2861 int
>> 2862 depends on SMP
>> 2863 default 1024 if MIPS_NR_CPU_NR_MAP_1024
>> 2864 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
>> 2865
>> 2866 #
>> 2867 # Timer Interrupt Frequency Configuration
>> 2868 #
>> 2869
>> 2870 choice
>> 2871 prompt "Timer frequency"
>> 2872 default HZ_250
1162 help 2873 help
1163 This option allows you to set the m !! 2874 Allows the configuration of the timer frequency.
1164 will be used as "low memory", that !! 2875
1165 access directly, without having to !! 2876 config HZ_24
1166 This can be useful in optimizing th !! 2877 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
1167 memory. !! 2878
>> 2879 config HZ_48
>> 2880 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2881
>> 2882 config HZ_100
>> 2883 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2884
>> 2885 config HZ_128
>> 2886 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
1168 2887
1169 Say N here unless you know what you !! 2888 config HZ_250
>> 2889 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
1170 2890
1171 config LOWMEM_SIZE !! 2891 config HZ_256
1172 hex "Maximum low memory size (in byte !! 2892 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
1173 default "0x30000000" !! 2893
>> 2894 config HZ_1000
>> 2895 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2896
>> 2897 config HZ_1024
>> 2898 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2899
>> 2900 endchoice
>> 2901
>> 2902 config SYS_SUPPORTS_24HZ
>> 2903 bool
>> 2904
>> 2905 config SYS_SUPPORTS_48HZ
>> 2906 bool
>> 2907
>> 2908 config SYS_SUPPORTS_100HZ
>> 2909 bool
1174 2910
1175 config LOWMEM_CAM_NUM_BOOL !! 2911 config SYS_SUPPORTS_128HZ
1176 bool "Set number of CAMs to use to ma !! 2912 bool
1177 depends on ADVANCED_OPTIONS && PPC_85 !! 2913
>> 2914 config SYS_SUPPORTS_250HZ
>> 2915 bool
>> 2916
>> 2917 config SYS_SUPPORTS_256HZ
>> 2918 bool
>> 2919
>> 2920 config SYS_SUPPORTS_1000HZ
>> 2921 bool
>> 2922
>> 2923 config SYS_SUPPORTS_1024HZ
>> 2924 bool
>> 2925
>> 2926 config SYS_SUPPORTS_ARBIT_HZ
>> 2927 bool
>> 2928 default y if !SYS_SUPPORTS_24HZ && \
>> 2929 !SYS_SUPPORTS_48HZ && \
>> 2930 !SYS_SUPPORTS_100HZ && \
>> 2931 !SYS_SUPPORTS_128HZ && \
>> 2932 !SYS_SUPPORTS_250HZ && \
>> 2933 !SYS_SUPPORTS_256HZ && \
>> 2934 !SYS_SUPPORTS_1000HZ && \
>> 2935 !SYS_SUPPORTS_1024HZ
>> 2936
>> 2937 config HZ
>> 2938 int
>> 2939 default 24 if HZ_24
>> 2940 default 48 if HZ_48
>> 2941 default 100 if HZ_100
>> 2942 default 128 if HZ_128
>> 2943 default 250 if HZ_250
>> 2944 default 256 if HZ_256
>> 2945 default 1000 if HZ_1000
>> 2946 default 1024 if HZ_1024
>> 2947
>> 2948 config SCHED_HRTICK
>> 2949 def_bool HIGH_RES_TIMERS
>> 2950
>> 2951 config KEXEC
>> 2952 bool "Kexec system call"
>> 2953 select KEXEC_CORE
>> 2954 help
>> 2955 kexec is a system call that implements the ability to shutdown your
>> 2956 current kernel, and to start another kernel. It is like a reboot
>> 2957 but it is independent of the system firmware. And like a reboot
>> 2958 you can start any kernel with it, not just Linux.
>> 2959
>> 2960 The name comes from the similarity to the exec system call.
>> 2961
>> 2962 It is an ongoing process to be certain the hardware in a machine
>> 2963 is properly shutdown, so do not be surprised if this code does not
>> 2964 initially work for you. As of this writing the exact hardware
>> 2965 interface is strongly in flux, so no good recommendation can be
>> 2966 made.
>> 2967
>> 2968 config CRASH_DUMP
>> 2969 bool "Kernel crash dumps"
>> 2970 help
>> 2971 Generate crash dump after being started by kexec.
>> 2972 This should be normally only set in special crash dump kernels
>> 2973 which are loaded in the main kernel with kexec-tools into
>> 2974 a specially reserved region and then later executed after
>> 2975 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2976 to a memory address not used by the main kernel or firmware using
>> 2977 PHYSICAL_START.
>> 2978
>> 2979 config PHYSICAL_START
>> 2980 hex "Physical address where the kernel is loaded"
>> 2981 default "0xffffffff84000000"
>> 2982 depends on CRASH_DUMP
1178 help 2983 help
1179 This option allows you to set the m !! 2984 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
1180 will be used to map low memory. Th !! 2985 If you plan to use kernel for capturing the crash dump change
1181 available and even more limited num !! 2986 this value to start of the reserved region (the "X" value as
1182 However, using more entries will al !! 2987 specified in the "crashkernel=YM@XM" command line boot parameter
1183 can be useful in optimizing the lay !! 2988 passed to the panic-ed kernel).
>> 2989
>> 2990 config MIPS_O32_FP64_SUPPORT
>> 2991 bool "Support for O32 binaries using 64-bit FP" if !CPU_MIPSR6
>> 2992 depends on 32BIT || MIPS32_O32
>> 2993 help
>> 2994 When this is enabled, the kernel will support use of 64-bit floating
>> 2995 point registers with binaries using the O32 ABI along with the
>> 2996 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
>> 2997 32-bit MIPS systems this support is at the cost of increasing the
>> 2998 size and complexity of the compiled FPU emulator. Thus if you are
>> 2999 running a MIPS32 system and know that none of your userland binaries
>> 3000 will require 64-bit floating point, you may wish to reduce the size
>> 3001 of your kernel & potentially improve FP emulation performance by
>> 3002 saying N here.
>> 3003
>> 3004 Although binutils currently supports use of this flag the details
>> 3005 concerning its effect upon the O32 ABI in userland are still being
>> 3006 worked on. In order to avoid userland becoming dependent upon current
>> 3007 behaviour before the details have been finalised, this option should
>> 3008 be considered experimental and only enabled by those working upon
>> 3009 said details.
1184 3010
1185 Say N here unless you know what you !! 3011 If unsure, say N.
1186 3012
1187 config LOWMEM_CAM_NUM !! 3013 config USE_OF
1188 depends on PPC_85xx !! 3014 bool
1189 int "Number of CAMs to use to map low !! 3015 select OF
1190 default 3 if !STRICT_KERNEL_RWX !! 3016 select OF_EARLY_FLATTREE
1191 default 9 if DATA_SHIFT >= 24 !! 3017 select IRQ_DOMAIN
1192 default 12 if DATA_SHIFT >= 22 !! 3018
>> 3019 config UHI_BOOT
>> 3020 bool
>> 3021
>> 3022 config BUILTIN_DTB
>> 3023 bool
>> 3024
>> 3025 choice
>> 3026 prompt "Kernel appended dtb support" if USE_OF
>> 3027 default MIPS_NO_APPENDED_DTB
>> 3028
>> 3029 config MIPS_NO_APPENDED_DTB
>> 3030 bool "None"
>> 3031 help
>> 3032 Do not enable appended dtb support.
>> 3033
>> 3034 config MIPS_ELF_APPENDED_DTB
>> 3035 bool "vmlinux"
>> 3036 help
>> 3037 With this option, the boot code will look for a device tree binary
>> 3038 DTB) included in the vmlinux ELF section .appended_dtb. By default
>> 3039 it is empty and the DTB can be appended using binutils command
>> 3040 objcopy:
>> 3041
>> 3042 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
>> 3043
>> 3044 This is meant as a backward compatibility convenience for those
>> 3045 systems with a bootloader that can't be upgraded to accommodate
>> 3046 the documented boot protocol using a device tree.
>> 3047
>> 3048 config MIPS_RAW_APPENDED_DTB
>> 3049 bool "vmlinux.bin or vmlinuz.bin"
>> 3050 help
>> 3051 With this option, the boot code will look for a device tree binary
>> 3052 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
>> 3053 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
>> 3054
>> 3055 This is meant as a backward compatibility convenience for those
>> 3056 systems with a bootloader that can't be upgraded to accommodate
>> 3057 the documented boot protocol using a device tree.
>> 3058
>> 3059 Beware that there is very little in terms of protection against
>> 3060 this option being confused by leftover garbage in memory that might
>> 3061 look like a DTB header after a reboot if no actual DTB is appended
>> 3062 to vmlinux.bin. Do not leave this option active in a production kernel
>> 3063 if you don't intend to always append a DTB.
>> 3064 endchoice
>> 3065
>> 3066 choice
>> 3067 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
>> 3068 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
>> 3069 !MACH_LOONGSON64 && !MIPS_MALTA && \
>> 3070 !CAVIUM_OCTEON_SOC
>> 3071 default MIPS_CMDLINE_FROM_BOOTLOADER
>> 3072
>> 3073 config MIPS_CMDLINE_FROM_DTB
>> 3074 depends on USE_OF
>> 3075 bool "Dtb kernel arguments if available"
>> 3076
>> 3077 config MIPS_CMDLINE_DTB_EXTEND
>> 3078 depends on USE_OF
>> 3079 bool "Extend dtb kernel arguments with bootloader arguments"
>> 3080
>> 3081 config MIPS_CMDLINE_FROM_BOOTLOADER
>> 3082 bool "Bootloader kernel arguments if available"
>> 3083
>> 3084 config MIPS_CMDLINE_BUILTIN_EXTEND
>> 3085 depends on CMDLINE_BOOL
>> 3086 bool "Extend builtin kernel arguments with bootloader arguments"
>> 3087 endchoice
>> 3088
>> 3089 endmenu
>> 3090
>> 3091 config LOCKDEP_SUPPORT
>> 3092 bool
>> 3093 default y
>> 3094
>> 3095 config STACKTRACE_SUPPORT
>> 3096 bool
>> 3097 default y
>> 3098
>> 3099 config PGTABLE_LEVELS
>> 3100 int
>> 3101 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
>> 3102 default 3 if 64BIT && (!PAGE_SIZE_64KB || MIPS_VA_BITS_48)
>> 3103 default 2
>> 3104
>> 3105 config MIPS_AUTO_PFN_OFFSET
>> 3106 bool
>> 3107
>> 3108 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
>> 3109
>> 3110 config PCI_DRIVERS_GENERIC
>> 3111 select PCI_DOMAINS_GENERIC if PCI
>> 3112 bool
>> 3113
>> 3114 config PCI_DRIVERS_LEGACY
>> 3115 def_bool !PCI_DRIVERS_GENERIC
>> 3116 select NO_GENERIC_PCI_IOPORT_MAP
>> 3117 select PCI_DOMAINS if PCI
>> 3118
>> 3119 #
>> 3120 # ISA support is now enabled via select. Too many systems still have the one
>> 3121 # or other ISA chip on the board that users don't know about so don't expect
>> 3122 # users to choose the right thing ...
>> 3123 #
>> 3124 config ISA
>> 3125 bool
>> 3126
>> 3127 config TC
>> 3128 bool "TURBOchannel support"
>> 3129 depends on MACH_DECSTATION
>> 3130 help
>> 3131 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
>> 3132 processors. TURBOchannel programming specifications are available
>> 3133 at:
>> 3134 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
>> 3135 and:
>> 3136 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
>> 3137 Linux driver support status is documented at:
>> 3138 <http://www.linux-mips.org/wiki/DECstation>
>> 3139
>> 3140 config MMU
>> 3141 bool
>> 3142 default y
>> 3143
>> 3144 config ARCH_MMAP_RND_BITS_MIN
>> 3145 default 12 if 64BIT
>> 3146 default 8
>> 3147
>> 3148 config ARCH_MMAP_RND_BITS_MAX
>> 3149 default 18 if 64BIT
1193 default 15 3150 default 15
1194 3151
1195 config DYNAMIC_MEMSTART !! 3152 config ARCH_MMAP_RND_COMPAT_BITS_MIN
1196 bool "Enable page aligned dynamic loa !! 3153 default 8
1197 depends on ADVANCED_OPTIONS && FLATME <<
1198 select NONSTATIC_KERNEL <<
1199 help <<
1200 This option enables the kernel to b <<
1201 physical address. The kernel create <<
1202 the address where the kernel is loa <<
1203 the TLB page size of the mapping fo <<
1204 Please refer to the init code for f <<
1205 <<
1206 DYNAMIC_MEMSTART is an easy way of <<
1207 kernel image, where the only restri <<
1208 load address. When this option is e <<
1209 address CONFIG_PHYSICAL_START is ig <<
1210 <<
1211 This option is overridden by CONFIG <<
1212 <<
1213 config PAGE_OFFSET_BOOL <<
1214 bool "Set custom page offset address" <<
1215 depends on ADVANCED_OPTIONS <<
1216 help <<
1217 This option allows you to set the k <<
1218 the kernel will map low memory. Th <<
1219 the virtual memory layout of the sy <<
1220 <<
1221 Say N here unless you know what you <<
1222 <<
1223 config PAGE_OFFSET <<
1224 hex "Virtual address of memory base" <<
1225 default "0xc0000000" <<
1226 <<
1227 config KERNEL_START_BOOL <<
1228 bool "Set custom kernel base address" <<
1229 depends on ADVANCED_OPTIONS <<
1230 help <<
1231 This option allows you to set the k <<
1232 the kernel will be loaded. Normall <<
1233 however there are times (like kdump <<
1234 to be the same. <<
1235 <<
1236 Say N here unless you know what you <<
1237 <<
1238 config KERNEL_START <<
1239 hex "Virtual address of kernel base" <<
1240 default PAGE_OFFSET if PAGE_OFFSET_BO <<
1241 default "0xc2000000" if CRASH_DUMP && <<
1242 default "0xc0000000" <<
1243 <<
1244 config PHYSICAL_START_BOOL <<
1245 bool "Set physical address where the <<
1246 depends on ADVANCED_OPTIONS && FLATME <<
1247 help <<
1248 This gives the physical address whe <<
1249 3154
1250 Say N here unless you know what you !! 3155 config ARCH_MMAP_RND_COMPAT_BITS_MAX
>> 3156 default 15
1251 3157
1252 config PHYSICAL_START !! 3158 config I8253
1253 hex "Physical address where the kerne !! 3159 bool
1254 default "0x02000000" if PPC_BOOK3S && !! 3160 select CLKSRC_I8253
1255 default "0x00000000" !! 3161 select CLKEVT_I8253
1256 !! 3162 select MIPS_EXTERNAL_TIMER
1257 config PHYSICAL_ALIGN !! 3163 endmenu
1258 hex !! 3164
1259 default "0x04000000" if PPC_85xx !! 3165 config TRAD_SIGNALS
1260 help !! 3166 bool
1261 This value puts the alignment restr !! 3167
1262 where kernel is loaded and run from !! 3168 config MIPS32_COMPAT
1263 address which meets above alignment !! 3169 bool
1264 !! 3170
1265 config TASK_SIZE_BOOL !! 3171 config COMPAT
1266 bool "Set custom user task size" !! 3172 bool
1267 depends on ADVANCED_OPTIONS !! 3173
1268 help !! 3174 config SYSVIPC_COMPAT
1269 This option allows you to set the a !! 3175 bool
1270 allocated to user tasks. This can !! 3176
1271 virtual memory layout of the system !! 3177 config MIPS32_O32
1272 !! 3178 bool "Kernel support for o32 binaries"
1273 Say N here unless you know what you !! 3179 depends on 64BIT
1274 !! 3180 select ARCH_WANT_OLD_COMPAT_IPC
1275 config TASK_SIZE !! 3181 select COMPAT
1276 hex "Size of user task space" if TASK !! 3182 select MIPS32_COMPAT
1277 default "0x80000000" if PPC_8xx !! 3183 select SYSVIPC_COMPAT if SYSVIPC
1278 default "0xb0000000" if PPC_BOOK3S_32 !! 3184 help
1279 default "0xc0000000" !! 3185 Select this option if you want to run o32 binaries. These are pure
1280 !! 3186 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
1281 config MODULES_SIZE_BOOL !! 3187 existing binaries are in this format.
1282 bool "Set custom size for modules/exe !! 3188
1283 depends on EXECMEM && ADVANCED_OPTION !! 3189 If unsure, say Y.
1284 help !! 3190
1285 This option allows you to set the s !! 3191 config MIPS32_N32
1286 space dedicated for modules/execmem !! 3192 bool "Kernel support for n32 binaries"
1287 For the time being it is only for 8 !! 3193 depends on 64BIT
1288 platform share it with vmalloc spac !! 3194 select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
1289 !! 3195 select COMPAT
1290 Say N here unless you know what you !! 3196 select MIPS32_COMPAT
1291 !! 3197 select SYSVIPC_COMPAT if SYSVIPC
1292 config MODULES_SIZE !! 3198 help
1293 int "Size of modules/execmem area (In !! 3199 Select this option if you want to run n32 binaries. These are
1294 range 1 256 if EXECMEM !! 3200 64-bit binaries using 32-bit quantities for addressing and certain
1295 default 64 if EXECMEM && PPC_BOOK3S_3 !! 3201 data that would normally be 64-bit. They are used in special
1296 default 32 if EXECMEM && PPC_8xx !! 3202 cases.
1297 default 0 !! 3203
>> 3204 If unsure, say N.
>> 3205
>> 3206 menu "Power management options"
>> 3207
>> 3208 config ARCH_HIBERNATION_POSSIBLE
>> 3209 def_bool y
>> 3210 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
>> 3211
>> 3212 config ARCH_SUSPEND_POSSIBLE
>> 3213 def_bool y
>> 3214 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
>> 3215
>> 3216 source "kernel/power/Kconfig"
1298 3217
1299 endmenu 3218 endmenu
1300 3219
1301 if PPC64 !! 3220 config MIPS_EXTERNAL_TIMER
1302 # This value must have zeroes in the bottom 6 !! 3221 bool
1303 config PAGE_OFFSET !! 3222
1304 hex !! 3223 menu "CPU Power Management"
1305 default "0xc000000000000000" !! 3224
1306 config KERNEL_START !! 3225 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
1307 hex !! 3226 source "drivers/cpufreq/Kconfig"
1308 default "0xc000000000000000" <<
1309 config PHYSICAL_START <<
1310 hex <<
1311 default "0x00000000" <<
1312 endif 3227 endif
1313 3228
1314 config PPC_LIB_RHEAP !! 3229 source "drivers/cpuidle/Kconfig"
1315 bool !! 3230
>> 3231 endmenu
1316 3232
1317 source "arch/powerpc/kvm/Kconfig" !! 3233 source "arch/mips/kvm/Kconfig"
1318 3234
1319 source "kernel/livepatch/Kconfig" !! 3235 source "arch/mips/vdso/Kconfig"
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.