1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 source "arch/powerpc/platforms/Kconfig.cputype !! 2 config MIPS
3 <<
4 config CC_HAS_ELFV2 <<
5 def_bool PPC64 && $(cc-option, -mabi=e <<
6 <<
7 config CC_HAS_PREFIXED <<
8 def_bool PPC64 && $(cc-option, -mcpu=p <<
9 <<
10 config CC_HAS_PCREL <<
11 # Clang has a bug (https://github.com/ <<
12 # where pcrel code is not generated if <<
13 # -mno-vsx options are also given. Wit <<
14 # instructions are generated from regu <<
15 # do pcrel yet. <<
16 def_bool PPC64 && CC_IS_GCC && $(cc-op <<
17 <<
18 config 32BIT <<
19 bool <<
20 default y if PPC32 <<
21 <<
22 config 64BIT <<
23 bool <<
24 default y if PPC64 <<
25 <<
26 config LIVEPATCH_64 <<
27 def_bool PPC64 <<
28 depends on LIVEPATCH <<
29 <<
30 config MMU <<
31 bool <<
32 default y <<
33 <<
34 config ARCH_MMAP_RND_BITS_MAX <<
35 # On Book3S 64, the default virtual ad <<
36 # is 2^47 (128TB). As a maximum, allow <<
37 # 32T of address space (2^45), which s <<
38 # between bottom-up and top-down alloc <<
39 # consume "normal" amounts of address <<
40 # and 4K page sizes. <<
41 default 29 if PPC_BOOK3S_64 && PPC_64K <<
42 default 33 if PPC_BOOK3S_64 <<
43 # <<
44 # On all other 64-bit platforms (curre <<
45 # address space is 2^46 (64TB). Allow <<
46 # of address space (2^44). Only 4K pag <<
47 default 32 if 64BIT # 32 = 44 (16T <<
48 # <<
49 # For 32-bit, use the compat values, a <<
50 default ARCH_MMAP_RND_COMPAT_BITS_MAX <<
51 <<
52 config ARCH_MMAP_RND_BITS_MIN <<
53 # Allow randomisation to consume up to <<
54 default 14 if 64BIT && PPC_64K_PAGES <<
55 default 18 if 64BIT <<
56 # <<
57 # For 32-bit, use the compat values, a <<
58 default ARCH_MMAP_RND_COMPAT_BITS_MIN <<
59 <<
60 config ARCH_MMAP_RND_COMPAT_BITS_MAX <<
61 # Total virtual address space for 32-b <<
62 # Allow randomisation to consume up to <<
63 default 11 if PPC_256K_PAGES # 11 = <<
64 default 13 if PPC_64K_PAGES # 13 = <<
65 default 15 if PPC_16K_PAGES # 15 = <<
66 default 17 # 17 = <<
67 <<
68 config ARCH_MMAP_RND_COMPAT_BITS_MIN <<
69 # Total virtual address space for 32-b <<
70 # Allow randomisation to consume up to <<
71 default 5 if PPC_256K_PAGES # 5 = <<
72 default 7 if PPC_64K_PAGES # 7 = <<
73 default 9 if PPC_16K_PAGES # 9 = <<
74 default 11 # 11 = <<
75 <<
76 config NR_IRQS <<
77 int "Number of virtual interrupt numbe <<
78 range 32 1048576 <<
79 default "512" <<
80 help <<
81 This defines the number of virtual i <<
82 can manage. Virtual interrupt number <<
83 /proc/interrupts. If you configure y <<
84 drivers will fail to load or worse - <<
85 <<
86 config NMI_IPI <<
87 bool <<
88 depends on SMP && (DEBUGGER || KEXEC_C <<
89 default y <<
90 <<
91 config PPC_WATCHDOG <<
92 bool <<
93 depends on HARDLOCKUP_DETECTOR_ARCH <<
94 default y <<
95 help <<
96 This is a placeholder when the power <<
97 watchdog is selected (arch/powerpc/k <<
98 selected via the generic lockup dete <<
99 have no standalone config option for <<
100 <<
101 config STACKTRACE_SUPPORT <<
102 bool 3 bool
103 default y 4 default y
104 !! 5 select ARCH_BINFMT_ELF_STATE
105 config LOCKDEP_SUPPORT !! 6 select ARCH_CLOCKSOURCE_DATA
106 bool !! 7 select ARCH_DISCARD_MEMBLOCK
107 default y !! 8 select ARCH_HAS_ELF_RANDOMIZE
108 !! 9 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
109 config GENERIC_LOCKBREAK !! 10 select ARCH_SUPPORTS_UPROBES
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 <<
138 select ARCH_HAS_GCOV_PROFILE_ALL <<
139 select ARCH_HAS_KCOV <<
140 select ARCH_HAS_KERNEL_FPU_SUPPORT <<
141 select ARCH_HAS_MEMBARRIER_CALLBACKS <<
142 select ARCH_HAS_MEMBARRIER_SYNC_CORE <<
143 select ARCH_HAS_MEMREMAP_COMPAT_ALIGN <<
144 select ARCH_HAS_MMIOWB <<
145 select ARCH_HAS_NON_OVERLAPPING_ADDRES <<
146 select ARCH_HAS_PHYS_TO_DMA <<
147 select ARCH_HAS_PMEM_API <<
148 select ARCH_HAS_PTE_DEVMAP <<
149 select ARCH_HAS_PTE_SPECIAL <<
150 select ARCH_HAS_SCALED_CPUTIME <<
151 select ARCH_HAS_SET_MEMORY <<
152 select ARCH_HAS_STRICT_KERNEL_RWX <<
153 select ARCH_HAS_STRICT_KERNEL_RWX <<
154 select ARCH_HAS_STRICT_MODULE_RWX <<
155 select ARCH_HAS_SYSCALL_WRAPPER <<
156 select ARCH_HAS_TICK_BROADCAST <<
157 select ARCH_HAS_UACCESS_FLUSHCACHE <<
158 select ARCH_HAS_UBSAN <<
159 select ARCH_HAVE_NMI_SAFE_CMPXCHG <<
160 select ARCH_HAVE_EXTRA_ELF_NOTES <<
161 select ARCH_KEEP_MEMBLOCK <<
162 select ARCH_MHP_MEMMAP_ON_MEMORY_ENABL <<
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 11 select ARCH_USE_BUILTIN_BSWAP
172 select ARCH_USE_CMPXCHG_LOCKREF !! 12 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
173 select ARCH_USE_MEMTEST !! 13 select ARCH_USE_QUEUED_RWLOCKS
174 select ARCH_USE_QUEUED_RWLOCKS !! 14 select ARCH_USE_QUEUED_SPINLOCKS
175 select ARCH_WANT_DEFAULT_BPF_JIT <<
176 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ <<
177 select ARCH_WANT_IPC_PARSE_VERSION 15 select ARCH_WANT_IPC_PARSE_VERSION
178 select ARCH_WANT_IRQS_OFF_ACTIVATE_MM !! 16 select BUILDTIME_EXTABLE_SORT
179 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 <<
185 select CLONE_BACKWARDS 17 select CLONE_BACKWARDS
186 select CPUMASK_OFFSTACK !! 18 select CPU_PM if CPU_IDLE
187 select DCACHE_WORD_ACCESS !! 19 select GENERIC_ATOMIC64 if !64BIT
188 select DMA_OPS_BYPASS !! 20 select GENERIC_CLOCKEVENTS
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 21 select GENERIC_CMOS_UPDATE
197 select GENERIC_CPU_AUTOPROBE 22 select GENERIC_CPU_AUTOPROBE
198 select GENERIC_CPU_VULNERABILITIES !! 23 select GENERIC_IRQ_PROBE
199 select GENERIC_EARLY_IOREMAP <<
200 select GENERIC_GETTIMEOFDAY <<
201 select GENERIC_IDLE_POLL_SETUP <<
202 select GENERIC_IOREMAP <<
203 select GENERIC_IRQ_SHOW 24 select GENERIC_IRQ_SHOW
204 select GENERIC_IRQ_SHOW_LEVEL !! 25 select GENERIC_LIB_ASHLDI3
205 select GENERIC_PCI_IOMAP !! 26 select GENERIC_LIB_ASHRDI3
206 select GENERIC_PTDUMP !! 27 select GENERIC_LIB_CMPDI2
>> 28 select GENERIC_LIB_LSHRDI3
>> 29 select GENERIC_LIB_UCMPDI2
>> 30 select GENERIC_PCI_IOMAP
>> 31 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
207 select GENERIC_SMP_IDLE_THREAD 32 select GENERIC_SMP_IDLE_THREAD
208 select GENERIC_TIME_VSYSCALL 33 select GENERIC_TIME_VSYSCALL
209 select GENERIC_VDSO_TIME_NS !! 34 select HANDLE_DOMAIN_IRQ
210 select HAS_IOPORT <<
211 select HAVE_ARCH_AUDITSYSCALL <<
212 select HAVE_ARCH_HUGE_VMALLOC <<
213 select HAVE_ARCH_HUGE_VMAP <<
214 select HAVE_ARCH_JUMP_LABEL 35 select HAVE_ARCH_JUMP_LABEL
215 select HAVE_ARCH_JUMP_LABEL_RELATIVE <<
216 select HAVE_ARCH_KASAN <<
217 select HAVE_ARCH_KASAN <<
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 36 select HAVE_ARCH_KGDB
225 select HAVE_ARCH_MMAP_RND_BITS !! 37 select HAVE_ARCH_MMAP_RND_BITS if MMU
226 select HAVE_ARCH_MMAP_RND_COMPAT_BITS !! 38 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
227 select HAVE_ARCH_NVRAM_OPS <<
228 select HAVE_ARCH_SECCOMP_FILTER 39 select HAVE_ARCH_SECCOMP_FILTER
229 select HAVE_ARCH_TRACEHOOK 40 select HAVE_ARCH_TRACEHOOK
230 select HAVE_ASM_MODVERSIONS !! 41 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
231 select HAVE_CONTEXT_TRACKING_USER !! 42 select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
>> 43 select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
>> 44 select HAVE_CONTEXT_TRACKING
>> 45 select HAVE_COPY_THREAD_TLS
232 select HAVE_C_RECORDMCOUNT 46 select HAVE_C_RECORDMCOUNT
233 select HAVE_DEBUG_KMEMLEAK 47 select HAVE_DEBUG_KMEMLEAK
234 select HAVE_DEBUG_STACKOVERFLOW 48 select HAVE_DEBUG_STACKOVERFLOW
>> 49 select HAVE_DMA_CONTIGUOUS
235 select HAVE_DYNAMIC_FTRACE 50 select HAVE_DYNAMIC_FTRACE
236 select HAVE_DYNAMIC_FTRACE_WITH_ARGS !! 51 select HAVE_EXIT_THREAD
237 select HAVE_DYNAMIC_FTRACE_WITH_REGS <<
238 select HAVE_EBPF_JIT <<
239 select HAVE_EFFICIENT_UNALIGNED_ACCESS <<
240 select HAVE_GUP_FAST <<
241 select HAVE_FTRACE_MCOUNT_RECORD 52 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 53 select HAVE_FUNCTION_GRAPH_TRACER
246 select HAVE_FUNCTION_TRACER !! 54 select HAVE_FUNCTION_TRACER
247 select HAVE_GCC_PLUGINS !! 55 select HAVE_GENERIC_DMA_COHERENT
248 select HAVE_GENERIC_VDSO !! 56 select HAVE_IDE
249 select HAVE_HARDLOCKUP_DETECTOR_ARCH !! 57 select HAVE_IRQ_EXIT_ON_IRQ_STACK
250 select HAVE_HARDLOCKUP_DETECTOR_PERF <<
251 select HAVE_HW_BREAKPOINT <<
252 select HAVE_IOREMAP_PROT <<
253 select HAVE_IRQ_TIME_ACCOUNTING 58 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 59 select HAVE_KPROBES
259 select HAVE_KPROBES_ON_FTRACE <<
260 select HAVE_KRETPROBES 60 select HAVE_KRETPROBES
261 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT !! 61 select HAVE_MEMBLOCK
262 select HAVE_LIVEPATCH !! 62 select HAVE_MEMBLOCK_NODE_MAP
263 select HAVE_MOD_ARCH_SPECIFIC 63 select HAVE_MOD_ARCH_SPECIFIC
264 select HAVE_NMI !! 64 select HAVE_NMI
265 select HAVE_OPTPROBES !! 65 select HAVE_OPROFILE
266 select HAVE_OBJTOOL <<
267 select HAVE_OBJTOOL_MCOUNT <<
268 select HAVE_PERF_EVENTS 66 select HAVE_PERF_EVENTS
269 select HAVE_PERF_EVENTS_NMI <<
270 select HAVE_PERF_REGS <<
271 select HAVE_PERF_USER_STACK_DUMP <<
272 select HAVE_RETHOOK <<
273 select HAVE_REGS_AND_STACK_ACCESS_API 67 select HAVE_REGS_AND_STACK_ACCESS_API
274 select HAVE_RELIABLE_STACKTRACE <<
275 select HAVE_RSEQ 68 select HAVE_RSEQ
276 select HAVE_SETUP_PER_CPU_AREA !! 69 select HAVE_STACKPROTECTOR
277 select HAVE_SOFTIRQ_ON_OWN_STACK <<
278 select HAVE_STACKPROTECTOR <<
279 select HAVE_STACKPROTECTOR <<
280 select HAVE_STATIC_CALL <<
281 select HAVE_SYSCALL_TRACEPOINTS 70 select HAVE_SYSCALL_TRACEPOINTS
282 select HAVE_VIRT_CPU_ACCOUNTING !! 71 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 72 select IRQ_FORCED_THREADING
290 select KASAN_VMALLOC !! 73 select MODULES_USE_ELF_RELA if MODULES && 64BIT
291 select LOCK_MM_AND_FIND_VMA !! 74 select MODULES_USE_ELF_REL if MODULES
292 select MMU_GATHER_PAGE_SIZE !! 75 select PERF_USE_VMALLOC
293 select MMU_GATHER_RCU_TABLE_FREE !! 76 select RTC_LIB if !MACH_LOONGSON64
294 select MMU_GATHER_MERGE_VMAS <<
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 <<
310 select SPARSE_IRQ <<
311 select STRICT_KERNEL_RWX if STRICT_MOD <<
312 select SYSCTL_EXCEPTION_TRACE 77 select SYSCTL_EXCEPTION_TRACE
313 select THREAD_INFO_IN_TASK !! 78 select VIRT_TO_BUS
314 select TRACE_IRQFLAGS_SUPPORT !! 79
315 select VDSO_GETRANDOM !! 80 menu "Machine selection"
>> 81
>> 82 choice
>> 83 prompt "System type"
>> 84 default MIPS_GENERIC
>> 85
>> 86 config MIPS_GENERIC
>> 87 bool "Generic board-agnostic MIPS kernel"
>> 88 select BOOT_RAW
>> 89 select BUILTIN_DTB
>> 90 select CEVT_R4K
>> 91 select CLKSRC_MIPS_GIC
>> 92 select COMMON_CLK
>> 93 select CPU_MIPSR2_IRQ_VI
>> 94 select CPU_MIPSR2_IRQ_EI
>> 95 select CSRC_R4K
>> 96 select DMA_PERDEV_COHERENT
>> 97 select HW_HAS_PCI
>> 98 select IRQ_MIPS_CPU
>> 99 select LIBFDT
>> 100 select MIPS_CPU_SCACHE
>> 101 select MIPS_GIC
>> 102 select MIPS_L1_CACHE_SHIFT_7
>> 103 select NO_EXCEPT_FILL
>> 104 select PCI_DRIVERS_GENERIC
>> 105 select PINCTRL
>> 106 select SMP_UP if SMP
>> 107 select SWAP_IO_SPACE
>> 108 select SYS_HAS_CPU_MIPS32_R1
>> 109 select SYS_HAS_CPU_MIPS32_R2
>> 110 select SYS_HAS_CPU_MIPS32_R6
>> 111 select SYS_HAS_CPU_MIPS64_R1
>> 112 select SYS_HAS_CPU_MIPS64_R2
>> 113 select SYS_HAS_CPU_MIPS64_R6
>> 114 select SYS_SUPPORTS_32BIT_KERNEL
>> 115 select SYS_SUPPORTS_64BIT_KERNEL
>> 116 select SYS_SUPPORTS_BIG_ENDIAN
>> 117 select SYS_SUPPORTS_HIGHMEM
>> 118 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 119 select SYS_SUPPORTS_MICROMIPS
>> 120 select SYS_SUPPORTS_MIPS_CPS
>> 121 select SYS_SUPPORTS_MIPS16
>> 122 select SYS_SUPPORTS_MULTITHREADING
>> 123 select SYS_SUPPORTS_RELOCATABLE
>> 124 select SYS_SUPPORTS_SMARTMIPS
>> 125 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 126 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 127 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 128 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 129 select USB_UHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 130 select USB_UHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 131 select USE_OF
>> 132 help
>> 133 Select this to build a kernel which aims to support multiple boards,
>> 134 generally using a flattened device tree passed from the bootloader
>> 135 using the boot protocol defined in the UHI (Unified Hosting
>> 136 Interface) specification.
>> 137
>> 138 config MIPS_ALCHEMY
>> 139 bool "Alchemy processor based machines"
>> 140 select PHYS_ADDR_T_64BIT
>> 141 select CEVT_R4K
>> 142 select CSRC_R4K
>> 143 select IRQ_MIPS_CPU
>> 144 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
>> 145 select SYS_HAS_CPU_MIPS32_R1
>> 146 select SYS_SUPPORTS_32BIT_KERNEL
>> 147 select SYS_SUPPORTS_APM_EMULATION
>> 148 select GPIOLIB
>> 149 select SYS_SUPPORTS_ZBOOT
>> 150 select COMMON_CLK
>> 151
>> 152 config AR7
>> 153 bool "Texas Instruments AR7"
>> 154 select BOOT_ELF32
>> 155 select DMA_NONCOHERENT
>> 156 select CEVT_R4K
>> 157 select CSRC_R4K
>> 158 select IRQ_MIPS_CPU
>> 159 select NO_EXCEPT_FILL
>> 160 select SWAP_IO_SPACE
>> 161 select SYS_HAS_CPU_MIPS32_R1
>> 162 select SYS_HAS_EARLY_PRINTK
>> 163 select SYS_SUPPORTS_32BIT_KERNEL
>> 164 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 165 select SYS_SUPPORTS_MIPS16
>> 166 select SYS_SUPPORTS_ZBOOT_UART16550
>> 167 select GPIOLIB
>> 168 select VLYNQ
>> 169 select HAVE_CLK
>> 170 help
>> 171 Support for the Texas Instruments AR7 System-on-a-Chip
>> 172 family: TNETD7100, 7200 and 7300.
>> 173
>> 174 config ATH25
>> 175 bool "Atheros AR231x/AR531x SoC support"
>> 176 select CEVT_R4K
>> 177 select CSRC_R4K
>> 178 select DMA_NONCOHERENT
>> 179 select IRQ_MIPS_CPU
>> 180 select IRQ_DOMAIN
>> 181 select SYS_HAS_CPU_MIPS32_R1
>> 182 select SYS_SUPPORTS_BIG_ENDIAN
>> 183 select SYS_SUPPORTS_32BIT_KERNEL
>> 184 select SYS_HAS_EARLY_PRINTK
>> 185 help
>> 186 Support for Atheros AR231x and Atheros AR531x based boards
>> 187
>> 188 config ATH79
>> 189 bool "Atheros AR71XX/AR724X/AR913X based boards"
>> 190 select ARCH_HAS_RESET_CONTROLLER
>> 191 select BOOT_RAW
>> 192 select CEVT_R4K
>> 193 select CSRC_R4K
>> 194 select DMA_NONCOHERENT
>> 195 select GPIOLIB
>> 196 select HAVE_CLK
>> 197 select COMMON_CLK
>> 198 select CLKDEV_LOOKUP
>> 199 select IRQ_MIPS_CPU
>> 200 select MIPS_MACHINE
>> 201 select SYS_HAS_CPU_MIPS32_R2
>> 202 select SYS_HAS_EARLY_PRINTK
>> 203 select SYS_SUPPORTS_32BIT_KERNEL
>> 204 select SYS_SUPPORTS_BIG_ENDIAN
>> 205 select SYS_SUPPORTS_MIPS16
>> 206 select SYS_SUPPORTS_ZBOOT_UART_PROM
>> 207 select USE_OF
>> 208 select USB_EHCI_ROOT_HUB_TT if USB_EHCI_HCD_PLATFORM
>> 209 help
>> 210 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
>> 211
>> 212 config BMIPS_GENERIC
>> 213 bool "Broadcom Generic BMIPS kernel"
>> 214 select BOOT_RAW
>> 215 select NO_EXCEPT_FILL
>> 216 select USE_OF
>> 217 select CEVT_R4K
>> 218 select CSRC_R4K
>> 219 select SYNC_R4K
>> 220 select COMMON_CLK
>> 221 select BCM6345_L1_IRQ
>> 222 select BCM7038_L1_IRQ
>> 223 select BCM7120_L2_IRQ
>> 224 select BRCMSTB_L2_IRQ
>> 225 select IRQ_MIPS_CPU
>> 226 select DMA_NONCOHERENT
>> 227 select SYS_SUPPORTS_32BIT_KERNEL
>> 228 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 229 select SYS_SUPPORTS_BIG_ENDIAN
>> 230 select SYS_SUPPORTS_HIGHMEM
>> 231 select SYS_HAS_CPU_BMIPS32_3300
>> 232 select SYS_HAS_CPU_BMIPS4350
>> 233 select SYS_HAS_CPU_BMIPS4380
>> 234 select SYS_HAS_CPU_BMIPS5000
>> 235 select SWAP_IO_SPACE
>> 236 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 237 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 238 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 239 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 240 select HARDIRQS_SW_RESEND
>> 241 help
>> 242 Build a generic DT-based kernel image that boots on select
>> 243 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
>> 244 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
>> 245 must be set appropriately for your board.
>> 246
>> 247 config BCM47XX
>> 248 bool "Broadcom BCM47XX based boards"
>> 249 select BOOT_RAW
>> 250 select CEVT_R4K
>> 251 select CSRC_R4K
>> 252 select DMA_NONCOHERENT
>> 253 select HW_HAS_PCI
>> 254 select IRQ_MIPS_CPU
>> 255 select SYS_HAS_CPU_MIPS32_R1
>> 256 select NO_EXCEPT_FILL
>> 257 select SYS_SUPPORTS_32BIT_KERNEL
>> 258 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 259 select SYS_SUPPORTS_MIPS16
>> 260 select SYS_SUPPORTS_ZBOOT
>> 261 select SYS_HAS_EARLY_PRINTK
>> 262 select USE_GENERIC_EARLY_PRINTK_8250
>> 263 select GPIOLIB
>> 264 select LEDS_GPIO_REGISTER
>> 265 select BCM47XX_NVRAM
>> 266 select BCM47XX_SPROM
>> 267 select BCM47XX_SSB if !BCM47XX_BCMA
>> 268 help
>> 269 Support for BCM47XX based boards
>> 270
>> 271 config BCM63XX
>> 272 bool "Broadcom BCM63XX based boards"
>> 273 select BOOT_RAW
>> 274 select CEVT_R4K
>> 275 select CSRC_R4K
>> 276 select SYNC_R4K
>> 277 select DMA_NONCOHERENT
>> 278 select IRQ_MIPS_CPU
>> 279 select SYS_SUPPORTS_32BIT_KERNEL
>> 280 select SYS_SUPPORTS_BIG_ENDIAN
>> 281 select SYS_HAS_EARLY_PRINTK
>> 282 select SWAP_IO_SPACE
>> 283 select GPIOLIB
>> 284 select HAVE_CLK
>> 285 select MIPS_L1_CACHE_SHIFT_4
>> 286 select CLKDEV_LOOKUP
>> 287 help
>> 288 Support for BCM63XX based boards
>> 289
>> 290 config MIPS_COBALT
>> 291 bool "Cobalt Server"
>> 292 select CEVT_R4K
>> 293 select CSRC_R4K
>> 294 select CEVT_GT641XX
>> 295 select DMA_NONCOHERENT
>> 296 select HW_HAS_PCI
>> 297 select I8253
>> 298 select I8259
>> 299 select IRQ_MIPS_CPU
>> 300 select IRQ_GT641XX
>> 301 select PCI_GT64XXX_PCI0
>> 302 select PCI
>> 303 select SYS_HAS_CPU_NEVADA
>> 304 select SYS_HAS_EARLY_PRINTK
>> 305 select SYS_SUPPORTS_32BIT_KERNEL
>> 306 select SYS_SUPPORTS_64BIT_KERNEL
>> 307 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 308 select USE_GENERIC_EARLY_PRINTK_8250
>> 309
>> 310 config MACH_DECSTATION
>> 311 bool "DECstations"
>> 312 select BOOT_ELF32
>> 313 select CEVT_DS1287
>> 314 select CEVT_R4K if CPU_R4X00
>> 315 select CSRC_IOASIC
>> 316 select CSRC_R4K if CPU_R4X00
>> 317 select CPU_DADDI_WORKAROUNDS if 64BIT
>> 318 select CPU_R4000_WORKAROUNDS if 64BIT
>> 319 select CPU_R4400_WORKAROUNDS if 64BIT
>> 320 select DMA_NONCOHERENT
>> 321 select NO_IOPORT_MAP
>> 322 select IRQ_MIPS_CPU
>> 323 select SYS_HAS_CPU_R3000
>> 324 select SYS_HAS_CPU_R4X00
>> 325 select SYS_SUPPORTS_32BIT_KERNEL
>> 326 select SYS_SUPPORTS_64BIT_KERNEL
>> 327 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 328 select SYS_SUPPORTS_128HZ
>> 329 select SYS_SUPPORTS_256HZ
>> 330 select SYS_SUPPORTS_1024HZ
>> 331 select MIPS_L1_CACHE_SHIFT_4
>> 332 help
>> 333 This enables support for DEC's MIPS based workstations. For details
>> 334 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
>> 335 DECstation porting pages on <http://decstation.unix-ag.org/>.
>> 336
>> 337 If you have one of the following DECstation Models you definitely
>> 338 want to choose R4xx0 for the CPU Type:
>> 339
>> 340 DECstation 5000/50
>> 341 DECstation 5000/150
>> 342 DECstation 5000/260
>> 343 DECsystem 5900/260
>> 344
>> 345 otherwise choose R3000.
>> 346
>> 347 config MACH_JAZZ
>> 348 bool "Jazz family of machines"
>> 349 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 350 select ARCH_MIGHT_HAVE_PC_SERIO
>> 351 select FW_ARC
>> 352 select FW_ARC32
>> 353 select ARCH_MAY_HAVE_PC_FDC
>> 354 select CEVT_R4K
>> 355 select CSRC_R4K
>> 356 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 357 select GENERIC_ISA_DMA
>> 358 select HAVE_PCSPKR_PLATFORM
>> 359 select IRQ_MIPS_CPU
>> 360 select I8253
>> 361 select I8259
>> 362 select ISA
>> 363 select SYS_HAS_CPU_R4X00
>> 364 select SYS_SUPPORTS_32BIT_KERNEL
>> 365 select SYS_SUPPORTS_64BIT_KERNEL
>> 366 select SYS_SUPPORTS_100HZ
>> 367 help
>> 368 This a family of machines based on the MIPS R4030 chipset which was
>> 369 used by several vendors to build RISC/os and Windows NT workstations.
>> 370 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
>> 371 Olivetti M700-10 workstations.
>> 372
>> 373 config MACH_INGENIC
>> 374 bool "Ingenic SoC based machines"
>> 375 select SYS_SUPPORTS_32BIT_KERNEL
>> 376 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 377 select SYS_SUPPORTS_ZBOOT_UART16550
>> 378 select DMA_NONCOHERENT
>> 379 select IRQ_MIPS_CPU
>> 380 select PINCTRL
>> 381 select GPIOLIB
>> 382 select COMMON_CLK
>> 383 select GENERIC_IRQ_CHIP
>> 384 select BUILTIN_DTB
>> 385 select USE_OF
>> 386 select LIBFDT
>> 387
>> 388 config LANTIQ
>> 389 bool "Lantiq based platforms"
>> 390 select DMA_NONCOHERENT
>> 391 select IRQ_MIPS_CPU
>> 392 select CEVT_R4K
>> 393 select CSRC_R4K
>> 394 select SYS_HAS_CPU_MIPS32_R1
>> 395 select SYS_HAS_CPU_MIPS32_R2
>> 396 select SYS_SUPPORTS_BIG_ENDIAN
>> 397 select SYS_SUPPORTS_32BIT_KERNEL
>> 398 select SYS_SUPPORTS_MIPS16
>> 399 select SYS_SUPPORTS_MULTITHREADING
>> 400 select SYS_SUPPORTS_VPE_LOADER
>> 401 select SYS_HAS_EARLY_PRINTK
>> 402 select GPIOLIB
>> 403 select SWAP_IO_SPACE
>> 404 select BOOT_RAW
>> 405 select CLKDEV_LOOKUP
>> 406 select USE_OF
>> 407 select PINCTRL
>> 408 select PINCTRL_LANTIQ
>> 409 select ARCH_HAS_RESET_CONTROLLER
>> 410 select RESET_CONTROLLER
>> 411
>> 412 config LASAT
>> 413 bool "LASAT Networks platforms"
>> 414 select CEVT_R4K
>> 415 select CRC32
>> 416 select CSRC_R4K
>> 417 select DMA_NONCOHERENT
>> 418 select SYS_HAS_EARLY_PRINTK
>> 419 select HW_HAS_PCI
>> 420 select IRQ_MIPS_CPU
>> 421 select PCI_GT64XXX_PCI0
>> 422 select MIPS_NILE4
>> 423 select R5000_CPU_SCACHE
>> 424 select SYS_HAS_CPU_R5000
>> 425 select SYS_SUPPORTS_32BIT_KERNEL
>> 426 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
>> 427 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 428
>> 429 config MACH_LOONGSON32
>> 430 bool "Loongson-1 family of machines"
>> 431 select SYS_SUPPORTS_ZBOOT
>> 432 help
>> 433 This enables support for the Loongson-1 family of machines.
>> 434
>> 435 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
>> 436 the Institute of Computing Technology (ICT), Chinese Academy of
>> 437 Sciences (CAS).
>> 438
>> 439 config MACH_LOONGSON64
>> 440 bool "Loongson-2/3 family of machines"
>> 441 select ARCH_HAS_PHYS_TO_DMA
>> 442 select SYS_SUPPORTS_ZBOOT
>> 443 help
>> 444 This enables the support of Loongson-2/3 family of machines.
>> 445
>> 446 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
>> 447 family of multi-core CPUs. They are both 64-bit general-purpose
>> 448 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
>> 449 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
>> 450 in the People's Republic of China. The chief architect is Professor
>> 451 Weiwu Hu.
>> 452
>> 453 config MACH_PISTACHIO
>> 454 bool "IMG Pistachio SoC based boards"
>> 455 select BOOT_ELF32
>> 456 select BOOT_RAW
>> 457 select CEVT_R4K
>> 458 select CLKSRC_MIPS_GIC
>> 459 select COMMON_CLK
>> 460 select CSRC_R4K
>> 461 select DMA_NONCOHERENT
>> 462 select GPIOLIB
>> 463 select IRQ_MIPS_CPU
>> 464 select LIBFDT
>> 465 select MFD_SYSCON
>> 466 select MIPS_CPU_SCACHE
>> 467 select MIPS_GIC
>> 468 select PINCTRL
>> 469 select REGULATOR
>> 470 select SYS_HAS_CPU_MIPS32_R2
>> 471 select SYS_SUPPORTS_32BIT_KERNEL
>> 472 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 473 select SYS_SUPPORTS_MIPS_CPS
>> 474 select SYS_SUPPORTS_MULTITHREADING
>> 475 select SYS_SUPPORTS_RELOCATABLE
>> 476 select SYS_SUPPORTS_ZBOOT
>> 477 select SYS_HAS_EARLY_PRINTK
>> 478 select USE_GENERIC_EARLY_PRINTK_8250
>> 479 select USE_OF
>> 480 help
>> 481 This enables support for the IMG Pistachio SoC platform.
>> 482
>> 483 config MIPS_MALTA
>> 484 bool "MIPS Malta board"
>> 485 select ARCH_MAY_HAVE_PC_FDC
>> 486 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 487 select ARCH_MIGHT_HAVE_PC_SERIO
>> 488 select BOOT_ELF32
>> 489 select BOOT_RAW
>> 490 select BUILTIN_DTB
>> 491 select CEVT_R4K
>> 492 select CSRC_R4K
>> 493 select CLKSRC_MIPS_GIC
>> 494 select COMMON_CLK
>> 495 select DMA_MAYBE_COHERENT
>> 496 select GENERIC_ISA_DMA
>> 497 select HAVE_PCSPKR_PLATFORM
>> 498 select IRQ_MIPS_CPU
>> 499 select MIPS_GIC
>> 500 select HW_HAS_PCI
>> 501 select I8253
>> 502 select I8259
>> 503 select MIPS_BONITO64
>> 504 select MIPS_CPU_SCACHE
>> 505 select MIPS_L1_CACHE_SHIFT_6
>> 506 select PCI_GT64XXX_PCI0
>> 507 select MIPS_MSC
>> 508 select SMP_UP if SMP
>> 509 select SWAP_IO_SPACE
>> 510 select SYS_HAS_CPU_MIPS32_R1
>> 511 select SYS_HAS_CPU_MIPS32_R2
>> 512 select SYS_HAS_CPU_MIPS32_R3_5
>> 513 select SYS_HAS_CPU_MIPS32_R5
>> 514 select SYS_HAS_CPU_MIPS32_R6
>> 515 select SYS_HAS_CPU_MIPS64_R1
>> 516 select SYS_HAS_CPU_MIPS64_R2
>> 517 select SYS_HAS_CPU_MIPS64_R6
>> 518 select SYS_HAS_CPU_NEVADA
>> 519 select SYS_HAS_CPU_RM7000
>> 520 select SYS_SUPPORTS_32BIT_KERNEL
>> 521 select SYS_SUPPORTS_64BIT_KERNEL
>> 522 select SYS_SUPPORTS_BIG_ENDIAN
>> 523 select SYS_SUPPORTS_HIGHMEM
>> 524 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 525 select SYS_SUPPORTS_MICROMIPS
>> 526 select SYS_SUPPORTS_MIPS_CMP
>> 527 select SYS_SUPPORTS_MIPS_CPS
>> 528 select SYS_SUPPORTS_MIPS16
>> 529 select SYS_SUPPORTS_MULTITHREADING
>> 530 select SYS_SUPPORTS_SMARTMIPS
>> 531 select SYS_SUPPORTS_VPE_LOADER
>> 532 select SYS_SUPPORTS_ZBOOT
>> 533 select SYS_SUPPORTS_RELOCATABLE
>> 534 select USE_OF
>> 535 select LIBFDT
>> 536 select ZONE_DMA32 if 64BIT
>> 537 select BUILTIN_DTB
>> 538 select LIBFDT
>> 539 help
>> 540 This enables support for the MIPS Technologies Malta evaluation
>> 541 board.
>> 542
>> 543 config MACH_PIC32
>> 544 bool "Microchip PIC32 Family"
>> 545 help
>> 546 This enables support for the Microchip PIC32 family of platforms.
>> 547
>> 548 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
>> 549 microcontrollers.
>> 550
>> 551 config NEC_MARKEINS
>> 552 bool "NEC EMMA2RH Mark-eins board"
>> 553 select SOC_EMMA2RH
>> 554 select HW_HAS_PCI
>> 555 help
>> 556 This enables support for the NEC Electronics Mark-eins boards.
>> 557
>> 558 config MACH_VR41XX
>> 559 bool "NEC VR4100 series based machines"
>> 560 select CEVT_R4K
>> 561 select CSRC_R4K
>> 562 select SYS_HAS_CPU_VR41XX
>> 563 select SYS_SUPPORTS_MIPS16
>> 564 select GPIOLIB
>> 565
>> 566 config NXP_STB220
>> 567 bool "NXP STB220 board"
>> 568 select SOC_PNX833X
>> 569 help
>> 570 Support for NXP Semiconductors STB220 Development Board.
>> 571
>> 572 config NXP_STB225
>> 573 bool "NXP 225 board"
>> 574 select SOC_PNX833X
>> 575 select SOC_PNX8335
>> 576 help
>> 577 Support for NXP Semiconductors STB225 Development Board.
>> 578
>> 579 config PMC_MSP
>> 580 bool "PMC-Sierra MSP chipsets"
>> 581 select CEVT_R4K
>> 582 select CSRC_R4K
>> 583 select DMA_NONCOHERENT
>> 584 select SWAP_IO_SPACE
>> 585 select NO_EXCEPT_FILL
>> 586 select BOOT_RAW
>> 587 select SYS_HAS_CPU_MIPS32_R1
>> 588 select SYS_HAS_CPU_MIPS32_R2
>> 589 select SYS_SUPPORTS_32BIT_KERNEL
>> 590 select SYS_SUPPORTS_BIG_ENDIAN
>> 591 select SYS_SUPPORTS_MIPS16
>> 592 select IRQ_MIPS_CPU
>> 593 select SERIAL_8250
>> 594 select SERIAL_8250_CONSOLE
>> 595 select USB_EHCI_BIG_ENDIAN_MMIO
>> 596 select USB_EHCI_BIG_ENDIAN_DESC
>> 597 help
>> 598 This adds support for the PMC-Sierra family of Multi-Service
>> 599 Processor System-On-A-Chips. These parts include a number
>> 600 of integrated peripherals, interfaces and DSPs in addition to
>> 601 a variety of MIPS cores.
>> 602
>> 603 config RALINK
>> 604 bool "Ralink based machines"
>> 605 select CEVT_R4K
>> 606 select CSRC_R4K
>> 607 select BOOT_RAW
>> 608 select DMA_NONCOHERENT
>> 609 select IRQ_MIPS_CPU
>> 610 select USE_OF
>> 611 select SYS_HAS_CPU_MIPS32_R1
>> 612 select SYS_HAS_CPU_MIPS32_R2
>> 613 select SYS_SUPPORTS_32BIT_KERNEL
>> 614 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 615 select SYS_SUPPORTS_MIPS16
>> 616 select SYS_HAS_EARLY_PRINTK
>> 617 select CLKDEV_LOOKUP
>> 618 select ARCH_HAS_RESET_CONTROLLER
>> 619 select RESET_CONTROLLER
>> 620
>> 621 config SGI_IP22
>> 622 bool "SGI IP22 (Indy/Indigo2)"
>> 623 select FW_ARC
>> 624 select FW_ARC32
>> 625 select ARCH_MIGHT_HAVE_PC_SERIO
>> 626 select BOOT_ELF32
>> 627 select CEVT_R4K
>> 628 select CSRC_R4K
>> 629 select DEFAULT_SGI_PARTITION
>> 630 select DMA_NONCOHERENT
>> 631 select HW_HAS_EISA
>> 632 select I8253
>> 633 select I8259
>> 634 select IP22_CPU_SCACHE
>> 635 select IRQ_MIPS_CPU
>> 636 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 637 select SGI_HAS_I8042
>> 638 select SGI_HAS_INDYDOG
>> 639 select SGI_HAS_HAL2
>> 640 select SGI_HAS_SEEQ
>> 641 select SGI_HAS_WD93
>> 642 select SGI_HAS_ZILOG
>> 643 select SWAP_IO_SPACE
>> 644 select SYS_HAS_CPU_R4X00
>> 645 select SYS_HAS_CPU_R5000
316 # 646 #
317 # Please keep this list sorted alphabe !! 647 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 648 # memory during early boot on some machines.
318 # 649 #
>> 650 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 651 # for a more details discussion
>> 652 #
>> 653 # select SYS_HAS_EARLY_PRINTK
>> 654 select SYS_SUPPORTS_32BIT_KERNEL
>> 655 select SYS_SUPPORTS_64BIT_KERNEL
>> 656 select SYS_SUPPORTS_BIG_ENDIAN
>> 657 select MIPS_L1_CACHE_SHIFT_7
>> 658 help
>> 659 This are the SGI Indy, Challenge S and Indigo2, as well as certain
>> 660 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
>> 661 that runs on these, say Y here.
>> 662
>> 663 config SGI_IP27
>> 664 bool "SGI IP27 (Origin200/2000)"
>> 665 select FW_ARC
>> 666 select FW_ARC64
>> 667 select BOOT_ELF64
>> 668 select DEFAULT_SGI_PARTITION
>> 669 select DMA_COHERENT
>> 670 select SYS_HAS_EARLY_PRINTK
>> 671 select HW_HAS_PCI
>> 672 select NR_CPUS_DEFAULT_64
>> 673 select SYS_HAS_CPU_R10000
>> 674 select SYS_SUPPORTS_64BIT_KERNEL
>> 675 select SYS_SUPPORTS_BIG_ENDIAN
>> 676 select SYS_SUPPORTS_NUMA
>> 677 select SYS_SUPPORTS_SMP
>> 678 select MIPS_L1_CACHE_SHIFT_7
>> 679 help
>> 680 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
>> 681 workstations. To compile a Linux kernel that runs on these, say Y
>> 682 here.
>> 683
>> 684 config SGI_IP28
>> 685 bool "SGI IP28 (Indigo2 R10k)"
>> 686 select FW_ARC
>> 687 select FW_ARC64
>> 688 select ARCH_MIGHT_HAVE_PC_SERIO
>> 689 select BOOT_ELF64
>> 690 select CEVT_R4K
>> 691 select CSRC_R4K
>> 692 select DEFAULT_SGI_PARTITION
>> 693 select DMA_NONCOHERENT
>> 694 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 695 select IRQ_MIPS_CPU
>> 696 select HW_HAS_EISA
>> 697 select I8253
>> 698 select I8259
>> 699 select SGI_HAS_I8042
>> 700 select SGI_HAS_INDYDOG
>> 701 select SGI_HAS_HAL2
>> 702 select SGI_HAS_SEEQ
>> 703 select SGI_HAS_WD93
>> 704 select SGI_HAS_ZILOG
>> 705 select SWAP_IO_SPACE
>> 706 select SYS_HAS_CPU_R10000
>> 707 #
>> 708 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 709 # memory during early boot on some machines.
>> 710 #
>> 711 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 712 # for a more details discussion
>> 713 #
>> 714 # select SYS_HAS_EARLY_PRINTK
>> 715 select SYS_SUPPORTS_64BIT_KERNEL
>> 716 select SYS_SUPPORTS_BIG_ENDIAN
>> 717 select MIPS_L1_CACHE_SHIFT_7
>> 718 help
>> 719 This is the SGI Indigo2 with R10000 processor. To compile a Linux
>> 720 kernel that runs on these, say Y here.
>> 721
>> 722 config SGI_IP32
>> 723 bool "SGI IP32 (O2)"
>> 724 select FW_ARC
>> 725 select FW_ARC32
>> 726 select BOOT_ELF32
>> 727 select CEVT_R4K
>> 728 select CSRC_R4K
>> 729 select DMA_NONCOHERENT
>> 730 select HW_HAS_PCI
>> 731 select IRQ_MIPS_CPU
>> 732 select R5000_CPU_SCACHE
>> 733 select RM7000_CPU_SCACHE
>> 734 select SYS_HAS_CPU_R5000
>> 735 select SYS_HAS_CPU_R10000 if BROKEN
>> 736 select SYS_HAS_CPU_RM7000
>> 737 select SYS_HAS_CPU_NEVADA
>> 738 select SYS_SUPPORTS_64BIT_KERNEL
>> 739 select SYS_SUPPORTS_BIG_ENDIAN
>> 740 help
>> 741 If you want this kernel to run on SGI O2 workstation, say Y here.
>> 742
>> 743 config SIBYTE_CRHINE
>> 744 bool "Sibyte BCM91120C-CRhine"
>> 745 select BOOT_ELF32
>> 746 select DMA_COHERENT
>> 747 select SIBYTE_BCM1120
>> 748 select SWAP_IO_SPACE
>> 749 select SYS_HAS_CPU_SB1
>> 750 select SYS_SUPPORTS_BIG_ENDIAN
>> 751 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 752
>> 753 config SIBYTE_CARMEL
>> 754 bool "Sibyte BCM91120x-Carmel"
>> 755 select BOOT_ELF32
>> 756 select DMA_COHERENT
>> 757 select SIBYTE_BCM1120
>> 758 select SWAP_IO_SPACE
>> 759 select SYS_HAS_CPU_SB1
>> 760 select SYS_SUPPORTS_BIG_ENDIAN
>> 761 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 762
>> 763 config SIBYTE_CRHONE
>> 764 bool "Sibyte BCM91125C-CRhone"
>> 765 select BOOT_ELF32
>> 766 select DMA_COHERENT
>> 767 select SIBYTE_BCM1125
>> 768 select SWAP_IO_SPACE
>> 769 select SYS_HAS_CPU_SB1
>> 770 select SYS_SUPPORTS_BIG_ENDIAN
>> 771 select SYS_SUPPORTS_HIGHMEM
>> 772 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 773
>> 774 config SIBYTE_RHONE
>> 775 bool "Sibyte BCM91125E-Rhone"
>> 776 select BOOT_ELF32
>> 777 select DMA_COHERENT
>> 778 select SIBYTE_BCM1125H
>> 779 select SWAP_IO_SPACE
>> 780 select SYS_HAS_CPU_SB1
>> 781 select SYS_SUPPORTS_BIG_ENDIAN
>> 782 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 783
>> 784 config SIBYTE_SWARM
>> 785 bool "Sibyte BCM91250A-SWARM"
>> 786 select BOOT_ELF32
>> 787 select DMA_COHERENT
>> 788 select HAVE_PATA_PLATFORM
>> 789 select SIBYTE_SB1250
>> 790 select SWAP_IO_SPACE
>> 791 select SYS_HAS_CPU_SB1
>> 792 select SYS_SUPPORTS_BIG_ENDIAN
>> 793 select SYS_SUPPORTS_HIGHMEM
>> 794 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 795 select ZONE_DMA32 if 64BIT
>> 796
>> 797 config SIBYTE_LITTLESUR
>> 798 bool "Sibyte BCM91250C2-LittleSur"
>> 799 select BOOT_ELF32
>> 800 select DMA_COHERENT
>> 801 select HAVE_PATA_PLATFORM
>> 802 select SIBYTE_SB1250
>> 803 select SWAP_IO_SPACE
>> 804 select SYS_HAS_CPU_SB1
>> 805 select SYS_SUPPORTS_BIG_ENDIAN
>> 806 select SYS_SUPPORTS_HIGHMEM
>> 807 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 808
>> 809 config SIBYTE_SENTOSA
>> 810 bool "Sibyte BCM91250E-Sentosa"
>> 811 select BOOT_ELF32
>> 812 select DMA_COHERENT
>> 813 select SIBYTE_SB1250
>> 814 select SWAP_IO_SPACE
>> 815 select SYS_HAS_CPU_SB1
>> 816 select SYS_SUPPORTS_BIG_ENDIAN
>> 817 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 818
>> 819 config SIBYTE_BIGSUR
>> 820 bool "Sibyte BCM91480B-BigSur"
>> 821 select BOOT_ELF32
>> 822 select DMA_COHERENT
>> 823 select NR_CPUS_DEFAULT_4
>> 824 select SIBYTE_BCM1x80
>> 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 select ZONE_DMA32 if 64BIT
>> 831
>> 832 config SNI_RM
>> 833 bool "SNI RM200/300/400"
>> 834 select FW_ARC if CPU_LITTLE_ENDIAN
>> 835 select FW_ARC32 if CPU_LITTLE_ENDIAN
>> 836 select FW_SNIPROM if CPU_BIG_ENDIAN
>> 837 select ARCH_MAY_HAVE_PC_FDC
>> 838 select ARCH_MIGHT_HAVE_PC_PARPORT
>> 839 select ARCH_MIGHT_HAVE_PC_SERIO
>> 840 select BOOT_ELF32
>> 841 select CEVT_R4K
>> 842 select CSRC_R4K
>> 843 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 844 select DMA_NONCOHERENT
>> 845 select GENERIC_ISA_DMA
>> 846 select HAVE_PCSPKR_PLATFORM
>> 847 select HW_HAS_EISA
>> 848 select HW_HAS_PCI
>> 849 select IRQ_MIPS_CPU
>> 850 select I8253
>> 851 select I8259
>> 852 select ISA
>> 853 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
>> 854 select SYS_HAS_CPU_R4X00
>> 855 select SYS_HAS_CPU_R5000
>> 856 select SYS_HAS_CPU_R10000
>> 857 select R5000_CPU_SCACHE
>> 858 select SYS_HAS_EARLY_PRINTK
>> 859 select SYS_SUPPORTS_32BIT_KERNEL
>> 860 select SYS_SUPPORTS_64BIT_KERNEL
>> 861 select SYS_SUPPORTS_BIG_ENDIAN
>> 862 select SYS_SUPPORTS_HIGHMEM
>> 863 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 864 help
>> 865 The SNI RM200/300/400 are MIPS-based machines manufactured by
>> 866 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
>> 867 Technology and now in turn merged with Fujitsu. Say Y here to
>> 868 support this machine type.
>> 869
>> 870 config MACH_TX39XX
>> 871 bool "Toshiba TX39 series based machines"
>> 872
>> 873 config MACH_TX49XX
>> 874 bool "Toshiba TX49 series based machines"
>> 875
>> 876 config MIKROTIK_RB532
>> 877 bool "Mikrotik RB532 boards"
>> 878 select CEVT_R4K
>> 879 select CSRC_R4K
>> 880 select DMA_NONCOHERENT
>> 881 select HW_HAS_PCI
>> 882 select IRQ_MIPS_CPU
>> 883 select SYS_HAS_CPU_MIPS32_R1
>> 884 select SYS_SUPPORTS_32BIT_KERNEL
>> 885 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 886 select SWAP_IO_SPACE
>> 887 select BOOT_RAW
>> 888 select GPIOLIB
>> 889 select MIPS_L1_CACHE_SHIFT_4
>> 890 help
>> 891 Support the Mikrotik(tm) RouterBoard 532 series,
>> 892 based on the IDT RC32434 SoC.
>> 893
>> 894 config CAVIUM_OCTEON_SOC
>> 895 bool "Cavium Networks Octeon SoC based boards"
>> 896 select CEVT_R4K
>> 897 select ARCH_HAS_PHYS_TO_DMA
>> 898 select PHYS_ADDR_T_64BIT
>> 899 select DMA_COHERENT
>> 900 select SYS_SUPPORTS_64BIT_KERNEL
>> 901 select SYS_SUPPORTS_BIG_ENDIAN
>> 902 select EDAC_SUPPORT
>> 903 select EDAC_ATOMIC_SCRUB
>> 904 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 905 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
>> 906 select SYS_HAS_EARLY_PRINTK
>> 907 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 908 select HW_HAS_PCI
>> 909 select ZONE_DMA32
>> 910 select HOLES_IN_ZONE
>> 911 select GPIOLIB
>> 912 select LIBFDT
>> 913 select USE_OF
>> 914 select ARCH_SPARSEMEM_ENABLE
>> 915 select SYS_SUPPORTS_SMP
>> 916 select NR_CPUS_DEFAULT_64
>> 917 select MIPS_NR_CPU_NR_MAP_1024
>> 918 select BUILTIN_DTB
>> 919 select MTD_COMPLEX_MAPPINGS
>> 920 select SWIOTLB
>> 921 select SYS_SUPPORTS_RELOCATABLE
>> 922 help
>> 923 This option supports all of the Octeon reference boards from Cavium
>> 924 Networks. It builds a kernel that dynamically determines the Octeon
>> 925 CPU type and supports all known board reference implementations.
>> 926 Some of the supported boards are:
>> 927 EBT3000
>> 928 EBH3000
>> 929 EBH3100
>> 930 Thunder
>> 931 Kodama
>> 932 Hikari
>> 933 Say Y here for most Octeon reference boards.
>> 934
>> 935 config NLM_XLR_BOARD
>> 936 bool "Netlogic XLR/XLS based systems"
>> 937 select BOOT_ELF32
>> 938 select NLM_COMMON
>> 939 select SYS_HAS_CPU_XLR
>> 940 select SYS_SUPPORTS_SMP
>> 941 select HW_HAS_PCI
>> 942 select SWAP_IO_SPACE
>> 943 select SYS_SUPPORTS_32BIT_KERNEL
>> 944 select SYS_SUPPORTS_64BIT_KERNEL
>> 945 select PHYS_ADDR_T_64BIT
>> 946 select SYS_SUPPORTS_BIG_ENDIAN
>> 947 select SYS_SUPPORTS_HIGHMEM
>> 948 select DMA_COHERENT
>> 949 select NR_CPUS_DEFAULT_32
>> 950 select CEVT_R4K
>> 951 select CSRC_R4K
>> 952 select IRQ_MIPS_CPU
>> 953 select ZONE_DMA32 if 64BIT
>> 954 select SYNC_R4K
>> 955 select SYS_HAS_EARLY_PRINTK
>> 956 select SYS_SUPPORTS_ZBOOT
>> 957 select SYS_SUPPORTS_ZBOOT_UART16550
>> 958 help
>> 959 Support for systems based on Netlogic XLR and XLS processors.
>> 960 Say Y here if you have a XLR or XLS based board.
>> 961
>> 962 config NLM_XLP_BOARD
>> 963 bool "Netlogic XLP based systems"
>> 964 select BOOT_ELF32
>> 965 select NLM_COMMON
>> 966 select SYS_HAS_CPU_XLP
>> 967 select SYS_SUPPORTS_SMP
>> 968 select HW_HAS_PCI
>> 969 select SYS_SUPPORTS_32BIT_KERNEL
>> 970 select SYS_SUPPORTS_64BIT_KERNEL
>> 971 select PHYS_ADDR_T_64BIT
>> 972 select GPIOLIB
>> 973 select SYS_SUPPORTS_BIG_ENDIAN
>> 974 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 975 select SYS_SUPPORTS_HIGHMEM
>> 976 select DMA_COHERENT
>> 977 select NR_CPUS_DEFAULT_32
>> 978 select CEVT_R4K
>> 979 select CSRC_R4K
>> 980 select IRQ_MIPS_CPU
>> 981 select ZONE_DMA32 if 64BIT
>> 982 select SYNC_R4K
>> 983 select SYS_HAS_EARLY_PRINTK
>> 984 select USE_OF
>> 985 select SYS_SUPPORTS_ZBOOT
>> 986 select SYS_SUPPORTS_ZBOOT_UART16550
>> 987 help
>> 988 This board is based on Netlogic XLP Processor.
>> 989 Say Y here if you have a XLP based board.
>> 990
>> 991 config MIPS_PARAVIRT
>> 992 bool "Para-Virtualized guest system"
>> 993 select CEVT_R4K
>> 994 select CSRC_R4K
>> 995 select DMA_COHERENT
>> 996 select SYS_SUPPORTS_64BIT_KERNEL
>> 997 select SYS_SUPPORTS_32BIT_KERNEL
>> 998 select SYS_SUPPORTS_BIG_ENDIAN
>> 999 select SYS_SUPPORTS_SMP
>> 1000 select NR_CPUS_DEFAULT_4
>> 1001 select SYS_HAS_EARLY_PRINTK
>> 1002 select SYS_HAS_CPU_MIPS32_R2
>> 1003 select SYS_HAS_CPU_MIPS64_R2
>> 1004 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 1005 select HW_HAS_PCI
>> 1006 select SWAP_IO_SPACE
>> 1007 help
>> 1008 This option supports guest running under ????
>> 1009
>> 1010 endchoice
>> 1011
>> 1012 source "arch/mips/alchemy/Kconfig"
>> 1013 source "arch/mips/ath25/Kconfig"
>> 1014 source "arch/mips/ath79/Kconfig"
>> 1015 source "arch/mips/bcm47xx/Kconfig"
>> 1016 source "arch/mips/bcm63xx/Kconfig"
>> 1017 source "arch/mips/bmips/Kconfig"
>> 1018 source "arch/mips/generic/Kconfig"
>> 1019 source "arch/mips/jazz/Kconfig"
>> 1020 source "arch/mips/jz4740/Kconfig"
>> 1021 source "arch/mips/lantiq/Kconfig"
>> 1022 source "arch/mips/lasat/Kconfig"
>> 1023 source "arch/mips/pic32/Kconfig"
>> 1024 source "arch/mips/pistachio/Kconfig"
>> 1025 source "arch/mips/pmcs-msp71xx/Kconfig"
>> 1026 source "arch/mips/ralink/Kconfig"
>> 1027 source "arch/mips/sgi-ip27/Kconfig"
>> 1028 source "arch/mips/sibyte/Kconfig"
>> 1029 source "arch/mips/txx9/Kconfig"
>> 1030 source "arch/mips/vr41xx/Kconfig"
>> 1031 source "arch/mips/cavium-octeon/Kconfig"
>> 1032 source "arch/mips/loongson32/Kconfig"
>> 1033 source "arch/mips/loongson64/Kconfig"
>> 1034 source "arch/mips/netlogic/Kconfig"
>> 1035 source "arch/mips/paravirt/Kconfig"
>> 1036
>> 1037 endmenu
319 1038
320 config PPC_BARRIER_NOSPEC !! 1039 config RWSEM_GENERIC_SPINLOCK
321 bool 1040 bool
322 default y 1041 default y
323 depends on PPC_BOOK3S_64 || PPC_E500 <<
324 1042
325 config PPC_HAS_LBARX_LHARX !! 1043 config RWSEM_XCHGADD_ALGORITHM
326 bool 1044 bool
327 1045
328 config EARLY_PRINTK !! 1046 config GENERIC_HWEIGHT
329 bool 1047 bool
330 default y 1048 default y
331 1049
332 config PANIC_TIMEOUT !! 1050 config GENERIC_CALIBRATE_DELAY
333 int !! 1051 bool
334 default 180 !! 1052 default y
335 <<
336 config COMPAT <<
337 bool "Enable support for 32bit binarie <<
338 depends on PPC64 <<
339 default y if !CPU_LITTLE_ENDIAN <<
340 select ARCH_WANT_OLD_COMPAT_IPC <<
341 select COMPAT_OLD_SIGACTION <<
342 1053
343 config SCHED_OMIT_FRAME_POINTER 1054 config SCHED_OMIT_FRAME_POINTER
344 bool 1055 bool
345 default y 1056 default y
346 1057
>> 1058 #
>> 1059 # Select some configuration options automatically based on user selections.
>> 1060 #
>> 1061 config FW_ARC
>> 1062 bool
>> 1063
347 config ARCH_MAY_HAVE_PC_FDC 1064 config ARCH_MAY_HAVE_PC_FDC
348 bool 1065 bool
349 default PCI <<
350 1066
351 config PPC_UDBG_16550 !! 1067 config BOOT_RAW
352 bool 1068 bool
353 1069
354 config GENERIC_TBSYNC !! 1070 config CEVT_BCM1480
355 bool 1071 bool
356 default y if PPC32 && SMP <<
357 1072
358 config AUDIT_ARCH !! 1073 config CEVT_DS1287
359 bool 1074 bool
360 default y <<
361 1075
362 config GENERIC_BUG !! 1076 config CEVT_GT641XX
363 bool 1077 bool
364 default y <<
365 depends on BUG <<
366 1078
367 config GENERIC_BUG_RELATIVE_POINTERS !! 1079 config CEVT_R4K
>> 1080 bool
>> 1081
>> 1082 config CEVT_SB1250
>> 1083 bool
>> 1084
>> 1085 config CEVT_TXX9
>> 1086 bool
>> 1087
>> 1088 config CSRC_BCM1480
>> 1089 bool
>> 1090
>> 1091 config CSRC_IOASIC
>> 1092 bool
>> 1093
>> 1094 config CSRC_R4K
>> 1095 bool
>> 1096
>> 1097 config CSRC_SB1250
>> 1098 bool
>> 1099
>> 1100 config MIPS_CLOCK_VSYSCALL
>> 1101 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
>> 1102
>> 1103 config GPIO_TXX9
>> 1104 select GPIOLIB
>> 1105 bool
>> 1106
>> 1107 config FW_CFE
>> 1108 bool
>> 1109
>> 1110 config ARCH_SUPPORTS_UPROBES
>> 1111 bool
>> 1112
>> 1113 config DMA_MAYBE_COHERENT
>> 1114 select DMA_NONCOHERENT
>> 1115 bool
>> 1116
>> 1117 config DMA_PERDEV_COHERENT
>> 1118 bool
>> 1119 select DMA_MAYBE_COHERENT
>> 1120
>> 1121 config DMA_COHERENT
>> 1122 bool
>> 1123
>> 1124 config DMA_NONCOHERENT
>> 1125 bool
>> 1126 select NEED_DMA_MAP_STATE
>> 1127
>> 1128 config SYS_HAS_EARLY_PRINTK
>> 1129 bool
>> 1130
>> 1131 config SYS_SUPPORTS_HOTPLUG_CPU
>> 1132 bool
>> 1133
>> 1134 config MIPS_BONITO64
>> 1135 bool
>> 1136
>> 1137 config MIPS_MSC
>> 1138 bool
>> 1139
>> 1140 config MIPS_NILE4
>> 1141 bool
>> 1142
>> 1143 config SYNC_R4K
>> 1144 bool
>> 1145
>> 1146 config MIPS_MACHINE
>> 1147 def_bool n
>> 1148
>> 1149 config NO_IOPORT_MAP
>> 1150 def_bool n
>> 1151
>> 1152 config GENERIC_CSUM
>> 1153 bool
>> 1154
>> 1155 config GENERIC_ISA_DMA
>> 1156 bool
>> 1157 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
>> 1158 select ISA_DMA_API
>> 1159
>> 1160 config GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 1161 bool
>> 1162 select GENERIC_ISA_DMA
>> 1163
>> 1164 config ISA_DMA_API
>> 1165 bool
>> 1166
>> 1167 config HOLES_IN_ZONE
>> 1168 bool
>> 1169
>> 1170 config SYS_SUPPORTS_RELOCATABLE
>> 1171 bool
>> 1172 help
>> 1173 Selected if the platform supports relocating the kernel.
>> 1174 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
>> 1175 to allow access to command line and entropy sources.
>> 1176
>> 1177 config MIPS_CBPF_JIT
368 def_bool y 1178 def_bool y
369 depends on GENERIC_BUG !! 1179 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1180
>> 1181 config MIPS_EBPF_JIT
>> 1182 def_bool y
>> 1183 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1184
>> 1185
>> 1186 #
>> 1187 # Endianness selection. Sufficiently obscure so many users don't know what to
>> 1188 # answer,so we try hard to limit the available choices. Also the use of a
>> 1189 # choice statement should be more obvious to the user.
>> 1190 #
>> 1191 choice
>> 1192 prompt "Endianness selection"
>> 1193 help
>> 1194 Some MIPS machines can be configured for either little or big endian
>> 1195 byte order. These modes require different kernels and a different
>> 1196 Linux distribution. In general there is one preferred byteorder for a
>> 1197 particular system but some systems are just as commonly used in the
>> 1198 one or the other endianness.
>> 1199
>> 1200 config CPU_BIG_ENDIAN
>> 1201 bool "Big endian"
>> 1202 depends on SYS_SUPPORTS_BIG_ENDIAN
>> 1203
>> 1204 config CPU_LITTLE_ENDIAN
>> 1205 bool "Little endian"
>> 1206 depends on SYS_SUPPORTS_LITTLE_ENDIAN
>> 1207
>> 1208 endchoice
>> 1209
>> 1210 config EXPORT_UASM
>> 1211 bool
370 1212
371 config SYS_SUPPORTS_APM_EMULATION 1213 config SYS_SUPPORTS_APM_EMULATION
372 default y if PMAC_APM_EMU <<
373 bool 1214 bool
374 1215
375 config EPAPR_BOOT !! 1216 config SYS_SUPPORTS_BIG_ENDIAN
376 bool 1217 bool
377 help <<
378 Used to allow a board to specify it <<
379 1218
380 config DEFAULT_UIMAGE !! 1219 config SYS_SUPPORTS_LITTLE_ENDIAN
381 bool 1220 bool
382 help <<
383 Used to allow a board to specify it <<
384 1221
385 config ARCH_HIBERNATION_POSSIBLE !! 1222 config SYS_SUPPORTS_HUGETLBFS
386 bool 1223 bool
>> 1224 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
387 default y 1225 default y
388 1226
389 config ARCH_SUSPEND_POSSIBLE !! 1227 config MIPS_HUGE_TLB_SUPPORT
390 def_bool y !! 1228 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
391 depends on ADB_PMU || PPC_EFIKA || PPC <<
392 (PPC_85xx && !PPC_E500MC) | <<
393 || 44x <<
394 1229
395 config ARCH_SUSPEND_NONZERO_CPU !! 1230 config IRQ_CPU_RM7K
396 def_bool y !! 1231 bool
397 depends on PPC_POWERNV || PPC_PSERIES <<
398 1232
399 config ARCH_HAS_ADD_PAGES !! 1233 config IRQ_MSP_SLP
400 def_bool y !! 1234 bool
401 depends on ARCH_ENABLE_MEMORY_HOTPLUG !! 1235
>> 1236 config IRQ_MSP_CIC
>> 1237 bool
>> 1238
>> 1239 config IRQ_TXX9
>> 1240 bool
>> 1241
>> 1242 config IRQ_GT641XX
>> 1243 bool
>> 1244
>> 1245 config PCI_GT64XXX_PCI0
>> 1246 bool
>> 1247
>> 1248 config NO_EXCEPT_FILL
>> 1249 bool
>> 1250
>> 1251 config SOC_EMMA2RH
>> 1252 bool
>> 1253 select CEVT_R4K
>> 1254 select CSRC_R4K
>> 1255 select DMA_NONCOHERENT
>> 1256 select IRQ_MIPS_CPU
>> 1257 select SWAP_IO_SPACE
>> 1258 select SYS_HAS_CPU_R5500
>> 1259 select SYS_SUPPORTS_32BIT_KERNEL
>> 1260 select SYS_SUPPORTS_64BIT_KERNEL
>> 1261 select SYS_SUPPORTS_BIG_ENDIAN
>> 1262
>> 1263 config SOC_PNX833X
>> 1264 bool
>> 1265 select CEVT_R4K
>> 1266 select CSRC_R4K
>> 1267 select IRQ_MIPS_CPU
>> 1268 select DMA_NONCOHERENT
>> 1269 select SYS_HAS_CPU_MIPS32_R2
>> 1270 select SYS_SUPPORTS_32BIT_KERNEL
>> 1271 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1272 select SYS_SUPPORTS_BIG_ENDIAN
>> 1273 select SYS_SUPPORTS_MIPS16
>> 1274 select CPU_MIPSR2_IRQ_VI
>> 1275
>> 1276 config SOC_PNX8335
>> 1277 bool
>> 1278 select SOC_PNX833X
>> 1279
>> 1280 config MIPS_SPRAM
>> 1281 bool
>> 1282
>> 1283 config SWAP_IO_SPACE
>> 1284 bool
>> 1285
>> 1286 config SGI_HAS_INDYDOG
>> 1287 bool
>> 1288
>> 1289 config SGI_HAS_HAL2
>> 1290 bool
>> 1291
>> 1292 config SGI_HAS_SEEQ
>> 1293 bool
>> 1294
>> 1295 config SGI_HAS_WD93
>> 1296 bool
>> 1297
>> 1298 config SGI_HAS_ZILOG
>> 1299 bool
>> 1300
>> 1301 config SGI_HAS_I8042
>> 1302 bool
>> 1303
>> 1304 config DEFAULT_SGI_PARTITION
>> 1305 bool
402 1306
403 config PPC_DCR_NATIVE !! 1307 config FW_ARC32
404 bool 1308 bool
405 1309
406 config PPC_DCR_MMIO !! 1310 config FW_SNIPROM
407 bool 1311 bool
408 1312
409 config PPC_DCR !! 1313 config BOOT_ELF32
410 bool 1314 bool
411 depends on PPC_DCR_NATIVE || PPC_DCR_M !! 1315
>> 1316 config MIPS_L1_CACHE_SHIFT_4
>> 1317 bool
>> 1318
>> 1319 config MIPS_L1_CACHE_SHIFT_5
>> 1320 bool
>> 1321
>> 1322 config MIPS_L1_CACHE_SHIFT_6
>> 1323 bool
>> 1324
>> 1325 config MIPS_L1_CACHE_SHIFT_7
>> 1326 bool
>> 1327
>> 1328 config MIPS_L1_CACHE_SHIFT
>> 1329 int
>> 1330 default "7" if MIPS_L1_CACHE_SHIFT_7
>> 1331 default "6" if MIPS_L1_CACHE_SHIFT_6
>> 1332 default "5" if MIPS_L1_CACHE_SHIFT_5
>> 1333 default "4" if MIPS_L1_CACHE_SHIFT_4
>> 1334 default "5"
>> 1335
>> 1336 config HAVE_STD_PC_SERIAL_PORT
>> 1337 bool
>> 1338
>> 1339 config ARC_CONSOLE
>> 1340 bool "ARC console support"
>> 1341 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
>> 1342
>> 1343 config ARC_MEMORY
>> 1344 bool
>> 1345 depends on MACH_JAZZ || SNI_RM || SGI_IP32
412 default y 1346 default y
413 1347
414 config PPC_PCI_OF_BUS_MAP !! 1348 config ARC_PROMLIB
415 bool "Use pci_to_OF_bus_map (deprecate !! 1349 bool
416 depends on PPC32 !! 1350 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
417 depends on PPC_PMAC || PPC_CHRP !! 1351 default y
>> 1352
>> 1353 config FW_ARC64
>> 1354 bool
>> 1355
>> 1356 config BOOT_ELF64
>> 1357 bool
>> 1358
>> 1359 menu "CPU selection"
>> 1360
>> 1361 choice
>> 1362 prompt "CPU type"
>> 1363 default CPU_R4X00
>> 1364
>> 1365 config CPU_LOONGSON3
>> 1366 bool "Loongson 3 CPU"
>> 1367 depends on SYS_HAS_CPU_LOONGSON3
>> 1368 select CPU_SUPPORTS_64BIT_KERNEL
>> 1369 select CPU_SUPPORTS_HIGHMEM
>> 1370 select CPU_SUPPORTS_HUGEPAGES
>> 1371 select WEAK_ORDERING
>> 1372 select WEAK_REORDERING_BEYOND_LLSC
>> 1373 select MIPS_PGD_C0_CONTEXT
>> 1374 select MIPS_L1_CACHE_SHIFT_6
>> 1375 select GPIOLIB
>> 1376 select SWIOTLB
418 help 1377 help
419 This option uses pci_to_OF_bus_map t !! 1378 The Loongson 3 processor implements the MIPS64R2 instruction
420 restricts the system to only having !! 1379 set with many extensions.
421 the "pci-OF-bus-map" property to be <<
422 1380
423 If unsure, say "N". !! 1381 config LOONGSON3_ENHANCEMENT
>> 1382 bool "New Loongson 3 CPU Enhancements"
>> 1383 default n
>> 1384 select CPU_MIPSR2
>> 1385 select CPU_HAS_PREFETCH
>> 1386 depends on CPU_LOONGSON3
>> 1387 help
>> 1388 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
>> 1389 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1390 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
>> 1391 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1392 Fast TLB refill support, etc.
>> 1393
>> 1394 This option enable those enhancements which are not probed at run
>> 1395 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1396 please say 'N' here. If you want a high-performance kernel to run on
>> 1397 new Loongson 3 machines only, please say 'Y' here.
>> 1398
>> 1399 config CPU_LOONGSON2E
>> 1400 bool "Loongson 2E"
>> 1401 depends on SYS_HAS_CPU_LOONGSON2E
>> 1402 select CPU_LOONGSON2
>> 1403 help
>> 1404 The Loongson 2E processor implements the MIPS III instruction set
>> 1405 with many extensions.
>> 1406
>> 1407 It has an internal FPGA northbridge, which is compatible to
>> 1408 bonito64.
>> 1409
>> 1410 config CPU_LOONGSON2F
>> 1411 bool "Loongson 2F"
>> 1412 depends on SYS_HAS_CPU_LOONGSON2F
>> 1413 select CPU_LOONGSON2
>> 1414 select GPIOLIB
>> 1415 help
>> 1416 The Loongson 2F processor implements the MIPS III instruction set
>> 1417 with many extensions.
>> 1418
>> 1419 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
>> 1420 have a similar programming interface with FPGA northbridge used in
>> 1421 Loongson2E.
>> 1422
>> 1423 config CPU_LOONGSON1B
>> 1424 bool "Loongson 1B"
>> 1425 depends on SYS_HAS_CPU_LOONGSON1B
>> 1426 select CPU_LOONGSON1
>> 1427 select LEDS_GPIO_REGISTER
>> 1428 help
>> 1429 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
>> 1430 release 2 instruction set.
>> 1431
>> 1432 config CPU_LOONGSON1C
>> 1433 bool "Loongson 1C"
>> 1434 depends on SYS_HAS_CPU_LOONGSON1C
>> 1435 select CPU_LOONGSON1
>> 1436 select LEDS_GPIO_REGISTER
>> 1437 help
>> 1438 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
>> 1439 release 2 instruction set.
>> 1440
>> 1441 config CPU_MIPS32_R1
>> 1442 bool "MIPS32 Release 1"
>> 1443 depends on SYS_HAS_CPU_MIPS32_R1
>> 1444 select CPU_HAS_PREFETCH
>> 1445 select CPU_SUPPORTS_32BIT_KERNEL
>> 1446 select CPU_SUPPORTS_HIGHMEM
>> 1447 help
>> 1448 Choose this option to build a kernel for release 1 or later of the
>> 1449 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1450 MIPS processor are based on a MIPS32 processor. If you know the
>> 1451 specific type of processor in your system, choose those that one
>> 1452 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1453 Release 2 of the MIPS32 architecture is available since several
>> 1454 years so chances are you even have a MIPS32 Release 2 processor
>> 1455 in which case you should choose CPU_MIPS32_R2 instead for better
>> 1456 performance.
424 1457
425 config PPC_PCI_BUS_NUM_DOMAIN_DEPENDENT !! 1458 config CPU_MIPS32_R2
426 depends on PPC32 !! 1459 bool "MIPS32 Release 2"
427 depends on !PPC_PCI_OF_BUS_MAP !! 1460 depends on SYS_HAS_CPU_MIPS32_R2
428 bool "Assign PCI bus numbers from zero !! 1461 select CPU_HAS_PREFETCH
>> 1462 select CPU_SUPPORTS_32BIT_KERNEL
>> 1463 select CPU_SUPPORTS_HIGHMEM
>> 1464 select CPU_SUPPORTS_MSA
>> 1465 select HAVE_KVM
>> 1466 help
>> 1467 Choose this option to build a kernel for release 2 or later of the
>> 1468 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1469 MIPS processor are based on a MIPS32 processor. If you know the
>> 1470 specific type of processor in your system, choose those that one
>> 1471 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1472
>> 1473 config CPU_MIPS32_R6
>> 1474 bool "MIPS32 Release 6"
>> 1475 depends on SYS_HAS_CPU_MIPS32_R6
>> 1476 select CPU_HAS_PREFETCH
>> 1477 select CPU_SUPPORTS_32BIT_KERNEL
>> 1478 select CPU_SUPPORTS_HIGHMEM
>> 1479 select CPU_SUPPORTS_MSA
>> 1480 select GENERIC_CSUM
>> 1481 select HAVE_KVM
>> 1482 select MIPS_O32_FP64_SUPPORT
>> 1483 help
>> 1484 Choose this option to build a kernel for release 6 or later of the
>> 1485 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1486 family, are based on a MIPS32r6 processor. If you own an older
>> 1487 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1488
>> 1489 config CPU_MIPS64_R1
>> 1490 bool "MIPS64 Release 1"
>> 1491 depends on SYS_HAS_CPU_MIPS64_R1
>> 1492 select CPU_HAS_PREFETCH
>> 1493 select CPU_SUPPORTS_32BIT_KERNEL
>> 1494 select CPU_SUPPORTS_64BIT_KERNEL
>> 1495 select CPU_SUPPORTS_HIGHMEM
>> 1496 select CPU_SUPPORTS_HUGEPAGES
>> 1497 help
>> 1498 Choose this option to build a kernel for release 1 or later of the
>> 1499 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1500 MIPS processor are based on a MIPS64 processor. If you know the
>> 1501 specific type of processor in your system, choose those that one
>> 1502 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1503 Release 2 of the MIPS64 architecture is available since several
>> 1504 years so chances are you even have a MIPS64 Release 2 processor
>> 1505 in which case you should choose CPU_MIPS64_R2 instead for better
>> 1506 performance.
>> 1507
>> 1508 config CPU_MIPS64_R2
>> 1509 bool "MIPS64 Release 2"
>> 1510 depends on SYS_HAS_CPU_MIPS64_R2
>> 1511 select CPU_HAS_PREFETCH
>> 1512 select CPU_SUPPORTS_32BIT_KERNEL
>> 1513 select CPU_SUPPORTS_64BIT_KERNEL
>> 1514 select CPU_SUPPORTS_HIGHMEM
>> 1515 select CPU_SUPPORTS_HUGEPAGES
>> 1516 select CPU_SUPPORTS_MSA
>> 1517 select HAVE_KVM
>> 1518 help
>> 1519 Choose this option to build a kernel for release 2 or later of the
>> 1520 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1521 MIPS processor are based on a MIPS64 processor. If you know the
>> 1522 specific type of processor in your system, choose those that one
>> 1523 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1524
>> 1525 config CPU_MIPS64_R6
>> 1526 bool "MIPS64 Release 6"
>> 1527 depends on SYS_HAS_CPU_MIPS64_R6
>> 1528 select CPU_HAS_PREFETCH
>> 1529 select CPU_SUPPORTS_32BIT_KERNEL
>> 1530 select CPU_SUPPORTS_64BIT_KERNEL
>> 1531 select CPU_SUPPORTS_HIGHMEM
>> 1532 select CPU_SUPPORTS_MSA
>> 1533 select GENERIC_CSUM
>> 1534 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1535 select HAVE_KVM
>> 1536 help
>> 1537 Choose this option to build a kernel for release 6 or later of the
>> 1538 MIPS64 architecture. New MIPS processors, starting with the Warrior
>> 1539 family, are based on a MIPS64r6 processor. If you own an older
>> 1540 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
>> 1541
>> 1542 config CPU_R3000
>> 1543 bool "R3000"
>> 1544 depends on SYS_HAS_CPU_R3000
>> 1545 select CPU_HAS_WB
>> 1546 select CPU_SUPPORTS_32BIT_KERNEL
>> 1547 select CPU_SUPPORTS_HIGHMEM
>> 1548 help
>> 1549 Please make sure to pick the right CPU type. Linux/MIPS is not
>> 1550 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
>> 1551 *not* work on R4000 machines and vice versa. However, since most
>> 1552 of the supported machines have an R4000 (or similar) CPU, R4x00
>> 1553 might be a safe bet. If the resulting kernel does not work,
>> 1554 try to recompile with R3000.
>> 1555
>> 1556 config CPU_TX39XX
>> 1557 bool "R39XX"
>> 1558 depends on SYS_HAS_CPU_TX39XX
>> 1559 select CPU_SUPPORTS_32BIT_KERNEL
>> 1560
>> 1561 config CPU_VR41XX
>> 1562 bool "R41xx"
>> 1563 depends on SYS_HAS_CPU_VR41XX
>> 1564 select CPU_SUPPORTS_32BIT_KERNEL
>> 1565 select CPU_SUPPORTS_64BIT_KERNEL
>> 1566 help
>> 1567 The options selects support for the NEC VR4100 series of processors.
>> 1568 Only choose this option if you have one of these processors as a
>> 1569 kernel built with this option will not run on any other type of
>> 1570 processor or vice versa.
>> 1571
>> 1572 config CPU_R4300
>> 1573 bool "R4300"
>> 1574 depends on SYS_HAS_CPU_R4300
>> 1575 select CPU_SUPPORTS_32BIT_KERNEL
>> 1576 select CPU_SUPPORTS_64BIT_KERNEL
>> 1577 help
>> 1578 MIPS Technologies R4300-series processors.
>> 1579
>> 1580 config CPU_R4X00
>> 1581 bool "R4x00"
>> 1582 depends on SYS_HAS_CPU_R4X00
>> 1583 select CPU_SUPPORTS_32BIT_KERNEL
>> 1584 select CPU_SUPPORTS_64BIT_KERNEL
>> 1585 select CPU_SUPPORTS_HUGEPAGES
>> 1586 help
>> 1587 MIPS Technologies R4000-series processors other than 4300, including
>> 1588 the R4000, R4400, R4600, and 4700.
>> 1589
>> 1590 config CPU_TX49XX
>> 1591 bool "R49XX"
>> 1592 depends on SYS_HAS_CPU_TX49XX
>> 1593 select CPU_HAS_PREFETCH
>> 1594 select CPU_SUPPORTS_32BIT_KERNEL
>> 1595 select CPU_SUPPORTS_64BIT_KERNEL
>> 1596 select CPU_SUPPORTS_HUGEPAGES
>> 1597
>> 1598 config CPU_R5000
>> 1599 bool "R5000"
>> 1600 depends on SYS_HAS_CPU_R5000
>> 1601 select CPU_SUPPORTS_32BIT_KERNEL
>> 1602 select CPU_SUPPORTS_64BIT_KERNEL
>> 1603 select CPU_SUPPORTS_HUGEPAGES
>> 1604 help
>> 1605 MIPS Technologies R5000-series processors other than the Nevada.
>> 1606
>> 1607 config CPU_R5432
>> 1608 bool "R5432"
>> 1609 depends on SYS_HAS_CPU_R5432
>> 1610 select CPU_SUPPORTS_32BIT_KERNEL
>> 1611 select CPU_SUPPORTS_64BIT_KERNEL
>> 1612 select CPU_SUPPORTS_HUGEPAGES
>> 1613
>> 1614 config CPU_R5500
>> 1615 bool "R5500"
>> 1616 depends on SYS_HAS_CPU_R5500
>> 1617 select CPU_SUPPORTS_32BIT_KERNEL
>> 1618 select CPU_SUPPORTS_64BIT_KERNEL
>> 1619 select CPU_SUPPORTS_HUGEPAGES
>> 1620 help
>> 1621 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
>> 1622 instruction set.
>> 1623
>> 1624 config CPU_NEVADA
>> 1625 bool "RM52xx"
>> 1626 depends on SYS_HAS_CPU_NEVADA
>> 1627 select CPU_SUPPORTS_32BIT_KERNEL
>> 1628 select CPU_SUPPORTS_64BIT_KERNEL
>> 1629 select CPU_SUPPORTS_HUGEPAGES
>> 1630 help
>> 1631 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
>> 1632
>> 1633 config CPU_R8000
>> 1634 bool "R8000"
>> 1635 depends on SYS_HAS_CPU_R8000
>> 1636 select CPU_HAS_PREFETCH
>> 1637 select CPU_SUPPORTS_64BIT_KERNEL
>> 1638 help
>> 1639 MIPS Technologies R8000 processors. Note these processors are
>> 1640 uncommon and the support for them is incomplete.
>> 1641
>> 1642 config CPU_R10000
>> 1643 bool "R10000"
>> 1644 depends on SYS_HAS_CPU_R10000
>> 1645 select CPU_HAS_PREFETCH
>> 1646 select CPU_SUPPORTS_32BIT_KERNEL
>> 1647 select CPU_SUPPORTS_64BIT_KERNEL
>> 1648 select CPU_SUPPORTS_HIGHMEM
>> 1649 select CPU_SUPPORTS_HUGEPAGES
>> 1650 help
>> 1651 MIPS Technologies R10000-series processors.
>> 1652
>> 1653 config CPU_RM7000
>> 1654 bool "RM7000"
>> 1655 depends on SYS_HAS_CPU_RM7000
>> 1656 select CPU_HAS_PREFETCH
>> 1657 select CPU_SUPPORTS_32BIT_KERNEL
>> 1658 select CPU_SUPPORTS_64BIT_KERNEL
>> 1659 select CPU_SUPPORTS_HIGHMEM
>> 1660 select CPU_SUPPORTS_HUGEPAGES
>> 1661
>> 1662 config CPU_SB1
>> 1663 bool "SB1"
>> 1664 depends on SYS_HAS_CPU_SB1
>> 1665 select CPU_SUPPORTS_32BIT_KERNEL
>> 1666 select CPU_SUPPORTS_64BIT_KERNEL
>> 1667 select CPU_SUPPORTS_HIGHMEM
>> 1668 select CPU_SUPPORTS_HUGEPAGES
>> 1669 select WEAK_ORDERING
>> 1670
>> 1671 config CPU_CAVIUM_OCTEON
>> 1672 bool "Cavium Octeon processor"
>> 1673 depends on SYS_HAS_CPU_CAVIUM_OCTEON
>> 1674 select CPU_HAS_PREFETCH
>> 1675 select CPU_SUPPORTS_64BIT_KERNEL
>> 1676 select WEAK_ORDERING
>> 1677 select CPU_SUPPORTS_HIGHMEM
>> 1678 select CPU_SUPPORTS_HUGEPAGES
>> 1679 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1680 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1681 select MIPS_L1_CACHE_SHIFT_7
>> 1682 select HAVE_KVM
>> 1683 help
>> 1684 The Cavium Octeon processor is a highly integrated chip containing
>> 1685 many ethernet hardware widgets for networking tasks. The processor
>> 1686 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
>> 1687 Full details can be found at http://www.caviumnetworks.com.
>> 1688
>> 1689 config CPU_BMIPS
>> 1690 bool "Broadcom BMIPS"
>> 1691 depends on SYS_HAS_CPU_BMIPS
>> 1692 select CPU_MIPS32
>> 1693 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
>> 1694 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
>> 1695 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
>> 1696 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
>> 1697 select CPU_SUPPORTS_32BIT_KERNEL
>> 1698 select DMA_NONCOHERENT
>> 1699 select IRQ_MIPS_CPU
>> 1700 select SWAP_IO_SPACE
>> 1701 select WEAK_ORDERING
>> 1702 select CPU_SUPPORTS_HIGHMEM
>> 1703 select CPU_HAS_PREFETCH
>> 1704 select CPU_SUPPORTS_CPUFREQ
>> 1705 select MIPS_EXTERNAL_TIMER
>> 1706 help
>> 1707 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
>> 1708
>> 1709 config CPU_XLR
>> 1710 bool "Netlogic XLR SoC"
>> 1711 depends on SYS_HAS_CPU_XLR
>> 1712 select CPU_SUPPORTS_32BIT_KERNEL
>> 1713 select CPU_SUPPORTS_64BIT_KERNEL
>> 1714 select CPU_SUPPORTS_HIGHMEM
>> 1715 select CPU_SUPPORTS_HUGEPAGES
>> 1716 select WEAK_ORDERING
>> 1717 select WEAK_REORDERING_BEYOND_LLSC
>> 1718 help
>> 1719 Netlogic Microsystems XLR/XLS processors.
>> 1720
>> 1721 config CPU_XLP
>> 1722 bool "Netlogic XLP SoC"
>> 1723 depends on SYS_HAS_CPU_XLP
>> 1724 select CPU_SUPPORTS_32BIT_KERNEL
>> 1725 select CPU_SUPPORTS_64BIT_KERNEL
>> 1726 select CPU_SUPPORTS_HIGHMEM
>> 1727 select WEAK_ORDERING
>> 1728 select WEAK_REORDERING_BEYOND_LLSC
>> 1729 select CPU_HAS_PREFETCH
>> 1730 select CPU_MIPSR2
>> 1731 select CPU_SUPPORTS_HUGEPAGES
>> 1732 select MIPS_ASID_BITS_VARIABLE
>> 1733 help
>> 1734 Netlogic Microsystems XLP processors.
>> 1735 endchoice
>> 1736
>> 1737 config CPU_MIPS32_3_5_FEATURES
>> 1738 bool "MIPS32 Release 3.5 Features"
>> 1739 depends on SYS_HAS_CPU_MIPS32_R3_5
>> 1740 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
>> 1741 help
>> 1742 Choose this option to build a kernel for release 2 or later of the
>> 1743 MIPS32 architecture including features from the 3.5 release such as
>> 1744 support for Enhanced Virtual Addressing (EVA).
>> 1745
>> 1746 config CPU_MIPS32_3_5_EVA
>> 1747 bool "Enhanced Virtual Addressing (EVA)"
>> 1748 depends on CPU_MIPS32_3_5_FEATURES
>> 1749 select EVA
>> 1750 default y
>> 1751 help
>> 1752 Choose this option if you want to enable the Enhanced Virtual
>> 1753 Addressing (EVA) on your MIPS32 core (such as proAptiv).
>> 1754 One of its primary benefits is an increase in the maximum size
>> 1755 of lowmem (up to 3GB). If unsure, say 'N' here.
>> 1756
>> 1757 config CPU_MIPS32_R5_FEATURES
>> 1758 bool "MIPS32 Release 5 Features"
>> 1759 depends on SYS_HAS_CPU_MIPS32_R5
>> 1760 depends on CPU_MIPS32_R2
>> 1761 help
>> 1762 Choose this option to build a kernel for release 2 or later of the
>> 1763 MIPS32 architecture including features from release 5 such as
>> 1764 support for Extended Physical Addressing (XPA).
>> 1765
>> 1766 config CPU_MIPS32_R5_XPA
>> 1767 bool "Extended Physical Addressing (XPA)"
>> 1768 depends on CPU_MIPS32_R5_FEATURES
>> 1769 depends on !EVA
>> 1770 depends on !PAGE_SIZE_4KB
>> 1771 depends on SYS_SUPPORTS_HIGHMEM
>> 1772 select XPA
>> 1773 select HIGHMEM
>> 1774 select PHYS_ADDR_T_64BIT
>> 1775 default n
>> 1776 help
>> 1777 Choose this option if you want to enable the Extended Physical
>> 1778 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
>> 1779 benefit is to increase physical addressing equal to or greater
>> 1780 than 40 bits. Note that this has the side effect of turning on
>> 1781 64-bit addressing which in turn makes the PTEs 64-bit in size.
>> 1782 If unsure, say 'N' here.
>> 1783
>> 1784 if CPU_LOONGSON2F
>> 1785 config CPU_NOP_WORKAROUNDS
>> 1786 bool
>> 1787
>> 1788 config CPU_JUMP_WORKAROUNDS
>> 1789 bool
>> 1790
>> 1791 config CPU_LOONGSON2F_WORKAROUNDS
>> 1792 bool "Loongson 2F Workarounds"
429 default y 1793 default y
>> 1794 select CPU_NOP_WORKAROUNDS
>> 1795 select CPU_JUMP_WORKAROUNDS
430 help 1796 help
431 By default on PPC32 were PCI bus num !! 1797 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
432 So system could have only 256 PCI bu !! 1798 require workarounds. Without workarounds the system may hang
433 PCI domains. When this option is ena !! 1799 unexpectedly. For more information please refer to the gas
434 PCI domain dependent and each PCI co !! 1800 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
435 256 PCI buses, like it is on other L !! 1801
>> 1802 Loongson 2F03 and later have fixed these issues and no workarounds
>> 1803 are needed. The workarounds have no significant side effect on them
>> 1804 but may decrease the performance of the system so this option should
>> 1805 be disabled unless the kernel is intended to be run on 2F01 or 2F02
>> 1806 systems.
>> 1807
>> 1808 If unsure, please say Y.
>> 1809 endif # CPU_LOONGSON2F
436 1810
437 config PPC_OF_PLATFORM_PCI !! 1811 config SYS_SUPPORTS_ZBOOT
438 bool 1812 bool
439 depends on PCI !! 1813 select HAVE_KERNEL_GZIP
440 depends on PPC64 # not supported on 32 !! 1814 select HAVE_KERNEL_BZIP2
>> 1815 select HAVE_KERNEL_LZ4
>> 1816 select HAVE_KERNEL_LZMA
>> 1817 select HAVE_KERNEL_LZO
>> 1818 select HAVE_KERNEL_XZ
441 1819
442 config ARCH_SUPPORTS_UPROBES !! 1820 config SYS_SUPPORTS_ZBOOT_UART16550
443 def_bool y !! 1821 bool
>> 1822 select SYS_SUPPORTS_ZBOOT
444 1823
445 config PPC_ADV_DEBUG_REGS !! 1824 config SYS_SUPPORTS_ZBOOT_UART_PROM
446 bool 1825 bool
447 depends on BOOKE !! 1826 select SYS_SUPPORTS_ZBOOT
448 default y <<
449 1827
450 config PPC_ADV_DEBUG_IACS !! 1828 config CPU_LOONGSON2
451 int !! 1829 bool
452 depends on PPC_ADV_DEBUG_REGS !! 1830 select CPU_SUPPORTS_32BIT_KERNEL
453 default 4 if 44x !! 1831 select CPU_SUPPORTS_64BIT_KERNEL
454 default 2 !! 1832 select CPU_SUPPORTS_HIGHMEM
>> 1833 select CPU_SUPPORTS_HUGEPAGES
455 1834
456 config PPC_ADV_DEBUG_DACS !! 1835 config CPU_LOONGSON1
457 int !! 1836 bool
458 depends on PPC_ADV_DEBUG_REGS !! 1837 select CPU_MIPS32
459 default 2 !! 1838 select CPU_MIPSR2
>> 1839 select CPU_HAS_PREFETCH
>> 1840 select CPU_SUPPORTS_32BIT_KERNEL
>> 1841 select CPU_SUPPORTS_HIGHMEM
>> 1842 select CPU_SUPPORTS_CPUFREQ
460 1843
461 config PPC_ADV_DEBUG_DVCS !! 1844 config CPU_BMIPS32_3300
462 int !! 1845 select SMP_UP if SMP
463 depends on PPC_ADV_DEBUG_REGS !! 1846 bool
464 default 2 if 44x !! 1847
465 default 0 !! 1848 config CPU_BMIPS4350
>> 1849 bool
>> 1850 select SYS_SUPPORTS_SMP
>> 1851 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1852
>> 1853 config CPU_BMIPS4380
>> 1854 bool
>> 1855 select MIPS_L1_CACHE_SHIFT_6
>> 1856 select SYS_SUPPORTS_SMP
>> 1857 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1858 select CPU_HAS_RIXI
>> 1859
>> 1860 config CPU_BMIPS5000
>> 1861 bool
>> 1862 select MIPS_CPU_SCACHE
>> 1863 select MIPS_L1_CACHE_SHIFT_7
>> 1864 select SYS_SUPPORTS_SMP
>> 1865 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1866 select CPU_HAS_RIXI
>> 1867
>> 1868 config SYS_HAS_CPU_LOONGSON3
>> 1869 bool
>> 1870 select CPU_SUPPORTS_CPUFREQ
>> 1871 select CPU_HAS_RIXI
>> 1872
>> 1873 config SYS_HAS_CPU_LOONGSON2E
>> 1874 bool
>> 1875
>> 1876 config SYS_HAS_CPU_LOONGSON2F
>> 1877 bool
>> 1878 select CPU_SUPPORTS_CPUFREQ
>> 1879 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
>> 1880 select CPU_SUPPORTS_UNCACHED_ACCELERATED
>> 1881
>> 1882 config SYS_HAS_CPU_LOONGSON1B
>> 1883 bool
>> 1884
>> 1885 config SYS_HAS_CPU_LOONGSON1C
>> 1886 bool
>> 1887
>> 1888 config SYS_HAS_CPU_MIPS32_R1
>> 1889 bool
>> 1890
>> 1891 config SYS_HAS_CPU_MIPS32_R2
>> 1892 bool
>> 1893
>> 1894 config SYS_HAS_CPU_MIPS32_R3_5
>> 1895 bool
>> 1896
>> 1897 config SYS_HAS_CPU_MIPS32_R5
>> 1898 bool
>> 1899
>> 1900 config SYS_HAS_CPU_MIPS32_R6
>> 1901 bool
>> 1902
>> 1903 config SYS_HAS_CPU_MIPS64_R1
>> 1904 bool
>> 1905
>> 1906 config SYS_HAS_CPU_MIPS64_R2
>> 1907 bool
466 1908
467 config PPC_ADV_DEBUG_DAC_RANGE !! 1909 config SYS_HAS_CPU_MIPS64_R6
>> 1910 bool
>> 1911
>> 1912 config SYS_HAS_CPU_R3000
>> 1913 bool
>> 1914
>> 1915 config SYS_HAS_CPU_TX39XX
>> 1916 bool
>> 1917
>> 1918 config SYS_HAS_CPU_VR41XX
>> 1919 bool
>> 1920
>> 1921 config SYS_HAS_CPU_R4300
>> 1922 bool
>> 1923
>> 1924 config SYS_HAS_CPU_R4X00
>> 1925 bool
>> 1926
>> 1927 config SYS_HAS_CPU_TX49XX
>> 1928 bool
>> 1929
>> 1930 config SYS_HAS_CPU_R5000
>> 1931 bool
>> 1932
>> 1933 config SYS_HAS_CPU_R5432
>> 1934 bool
>> 1935
>> 1936 config SYS_HAS_CPU_R5500
>> 1937 bool
>> 1938
>> 1939 config SYS_HAS_CPU_NEVADA
>> 1940 bool
>> 1941
>> 1942 config SYS_HAS_CPU_R8000
>> 1943 bool
>> 1944
>> 1945 config SYS_HAS_CPU_R10000
>> 1946 bool
>> 1947
>> 1948 config SYS_HAS_CPU_RM7000
>> 1949 bool
>> 1950
>> 1951 config SYS_HAS_CPU_SB1
>> 1952 bool
>> 1953
>> 1954 config SYS_HAS_CPU_CAVIUM_OCTEON
>> 1955 bool
>> 1956
>> 1957 config SYS_HAS_CPU_BMIPS
>> 1958 bool
>> 1959
>> 1960 config SYS_HAS_CPU_BMIPS32_3300
>> 1961 bool
>> 1962 select SYS_HAS_CPU_BMIPS
>> 1963
>> 1964 config SYS_HAS_CPU_BMIPS4350
>> 1965 bool
>> 1966 select SYS_HAS_CPU_BMIPS
>> 1967
>> 1968 config SYS_HAS_CPU_BMIPS4380
>> 1969 bool
>> 1970 select SYS_HAS_CPU_BMIPS
>> 1971
>> 1972 config SYS_HAS_CPU_BMIPS5000
>> 1973 bool
>> 1974 select SYS_HAS_CPU_BMIPS
>> 1975
>> 1976 config SYS_HAS_CPU_XLR
>> 1977 bool
>> 1978
>> 1979 config SYS_HAS_CPU_XLP
>> 1980 bool
>> 1981
>> 1982 config MIPS_MALTA_PM
>> 1983 depends on MIPS_MALTA
>> 1984 depends on PCI
468 bool 1985 bool
469 depends on PPC_ADV_DEBUG_REGS && 44x <<
470 default y 1986 default y
471 1987
472 config PPC_DAWR !! 1988 #
>> 1989 # CPU may reorder R->R, R->W, W->R, W->W
>> 1990 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
>> 1991 #
>> 1992 config WEAK_ORDERING
473 bool 1993 bool
474 1994
475 config PGTABLE_LEVELS !! 1995 #
476 int !! 1996 # CPU may reorder reads and writes beyond LL/SC
477 default 2 if !PPC64 !! 1997 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
478 default 4 !! 1998 #
>> 1999 config WEAK_REORDERING_BEYOND_LLSC
>> 2000 bool
>> 2001 endmenu
479 2002
480 source "arch/powerpc/sysdev/Kconfig" !! 2003 #
481 source "arch/powerpc/platforms/Kconfig" !! 2004 # These two indicate any level of the MIPS32 and MIPS64 architecture
>> 2005 #
>> 2006 config CPU_MIPS32
>> 2007 bool
>> 2008 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
482 2009
483 menu "Kernel options" !! 2010 config CPU_MIPS64
>> 2011 bool
>> 2012 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
484 2013
485 config HIGHMEM !! 2014 #
486 bool "High memory support" !! 2015 # These two indicate the revision of the architecture, either Release 1 or Release 2
487 depends on PPC32 !! 2016 #
488 select KMAP_LOCAL !! 2017 config CPU_MIPSR1
489 !! 2018 bool
490 source "kernel/Kconfig.hz" !! 2019 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
491 !! 2020
492 config MATH_EMULATION !! 2021 config CPU_MIPSR2
493 bool "Math emulation" !! 2022 bool
494 depends on 44x || PPC_8xx || PPC_MPC83 !! 2023 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
495 select PPC_FPU_REGS !! 2024 select CPU_HAS_RIXI
496 help !! 2025 select MIPS_SPRAM
497 Some PowerPC chips designed for embe !! 2026
498 a floating-point unit and therefore !! 2027 config CPU_MIPSR6
499 floating-point instructions in the P !! 2028 bool
500 say Y here, the kernel will include !! 2029 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
501 unit, which will allow programs that !! 2030 select CPU_HAS_RIXI
502 instructions to run. !! 2031 select HAVE_ARCH_BITREVERSE
503 !! 2032 select MIPS_ASID_BITS_VARIABLE
504 This is also useful to emulate missi !! 2033 select MIPS_CRC_SUPPORT
505 such as fsqrt on cores that do have !! 2034 select MIPS_SPRAM
506 them (such as Freescale BookE). !! 2035
>> 2036 config EVA
>> 2037 bool
>> 2038
>> 2039 config XPA
>> 2040 bool
>> 2041
>> 2042 config SYS_SUPPORTS_32BIT_KERNEL
>> 2043 bool
>> 2044 config SYS_SUPPORTS_64BIT_KERNEL
>> 2045 bool
>> 2046 config CPU_SUPPORTS_32BIT_KERNEL
>> 2047 bool
>> 2048 config CPU_SUPPORTS_64BIT_KERNEL
>> 2049 bool
>> 2050 config CPU_SUPPORTS_CPUFREQ
>> 2051 bool
>> 2052 config CPU_SUPPORTS_ADDRWINCFG
>> 2053 bool
>> 2054 config CPU_SUPPORTS_HUGEPAGES
>> 2055 bool
>> 2056 config CPU_SUPPORTS_UNCACHED_ACCELERATED
>> 2057 bool
>> 2058 config MIPS_PGD_C0_CONTEXT
>> 2059 bool
>> 2060 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
>> 2061
>> 2062 #
>> 2063 # Set to y for ptrace access to watch registers.
>> 2064 #
>> 2065 config HARDWARE_WATCHPOINTS
>> 2066 bool
>> 2067 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
>> 2068
>> 2069 menu "Kernel type"
507 2070
508 choice 2071 choice
509 prompt "Math emulation options" !! 2072 prompt "Kernel code model"
510 default MATH_EMULATION_FULL !! 2073 help
511 depends on MATH_EMULATION !! 2074 You should only select this option if you have a workload that
512 !! 2075 actually benefits from 64-bit processing or if your machine has
513 config MATH_EMULATION_FULL !! 2076 large memory. You will only be presented a single option in this
514 bool "Emulate all the floating point i !! 2077 menu if your system does not support both 32-bit and 64-bit kernels.
515 help <<
516 Select this option will enable the k <<
517 all the floating point instructions. <<
518 a FPU, you should select this. <<
519 2078
520 config MATH_EMULATION_HW_UNIMPLEMENTED !! 2079 config 32BIT
521 bool "Just emulate the FPU unimplement !! 2080 bool "32-bit kernel"
>> 2081 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
>> 2082 select TRAD_SIGNALS
522 help 2083 help
523 Select this if you know there does h !! 2084 Select this option if you want to build a 32-bit kernel.
524 SoC, but some floating point instruc !! 2085
>> 2086 config 64BIT
>> 2087 bool "64-bit kernel"
>> 2088 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
>> 2089 help
>> 2090 Select this option if you want to build a 64-bit kernel.
525 2091
526 endchoice 2092 endchoice
527 2093
528 config PPC_TRANSACTIONAL_MEM !! 2094 config KVM_GUEST
529 bool "Transactional Memory support for !! 2095 bool "KVM Guest Kernel"
530 depends on PPC_BOOK3S_64 !! 2096 depends on BROKEN_ON_SMP
531 depends on SMP !! 2097 help
532 select ALTIVEC !! 2098 Select this option if building a guest kernel for KVM (Trap & Emulate)
533 select VSX !! 2099 mode.
>> 2100
>> 2101 config KVM_GUEST_TIMER_FREQ
>> 2102 int "Count/Compare Timer Frequency (MHz)"
>> 2103 depends on KVM_GUEST
>> 2104 default 100
>> 2105 help
>> 2106 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2107 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2108 timer frequency is specified directly.
>> 2109
>> 2110 config MIPS_VA_BITS_48
>> 2111 bool "48 bits virtual memory"
>> 2112 depends on 64BIT
>> 2113 help
>> 2114 Support a maximum at least 48 bits of application virtual
>> 2115 memory. Default is 40 bits or less, depending on the CPU.
>> 2116 For page sizes 16k and above, this option results in a small
>> 2117 memory overhead for page tables. For 4k page size, a fourth
>> 2118 level of page tables is added which imposes both a memory
>> 2119 overhead as well as slower TLB fault handling.
>> 2120
>> 2121 If unsure, say N.
>> 2122
>> 2123 choice
>> 2124 prompt "Kernel page size"
>> 2125 default PAGE_SIZE_4KB
>> 2126
>> 2127 config PAGE_SIZE_4KB
>> 2128 bool "4kB"
>> 2129 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
>> 2130 help
>> 2131 This option select the standard 4kB Linux page size. On some
>> 2132 R3000-family processors this is the only available page size. Using
>> 2133 4kB page size will minimize memory consumption and is therefore
>> 2134 recommended for low memory systems.
>> 2135
>> 2136 config PAGE_SIZE_8KB
>> 2137 bool "8kB"
>> 2138 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
>> 2139 depends on !MIPS_VA_BITS_48
>> 2140 help
>> 2141 Using 8kB page size will result in higher performance kernel at
>> 2142 the price of higher memory consumption. This option is available
>> 2143 only on R8000 and cnMIPS processors. Note that you will need a
>> 2144 suitable Linux distribution to support this.
>> 2145
>> 2146 config PAGE_SIZE_16KB
>> 2147 bool "16kB"
>> 2148 depends on !CPU_R3000 && !CPU_TX39XX
>> 2149 help
>> 2150 Using 16kB page size will result in higher performance kernel at
>> 2151 the price of higher memory consumption. This option is available on
>> 2152 all non-R3000 family processors. Note that you will need a suitable
>> 2153 Linux distribution to support this.
>> 2154
>> 2155 config PAGE_SIZE_32KB
>> 2156 bool "32kB"
>> 2157 depends on CPU_CAVIUM_OCTEON
>> 2158 depends on !MIPS_VA_BITS_48
>> 2159 help
>> 2160 Using 32kB page size will result in higher performance kernel at
>> 2161 the price of higher memory consumption. This option is available
>> 2162 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2163 distribution to support this.
>> 2164
>> 2165 config PAGE_SIZE_64KB
>> 2166 bool "64kB"
>> 2167 depends on !CPU_R3000 && !CPU_TX39XX
>> 2168 help
>> 2169 Using 64kB page size will result in higher performance kernel at
>> 2170 the price of higher memory consumption. This option is available on
>> 2171 all non-R3000 family processor. Not that at the time of this
>> 2172 writing this option is still high experimental.
>> 2173
>> 2174 endchoice
>> 2175
>> 2176 config FORCE_MAX_ZONEORDER
>> 2177 int "Maximum zone order"
>> 2178 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2179 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2180 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2181 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2182 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2183 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2184 range 11 64
>> 2185 default "11"
>> 2186 help
>> 2187 The kernel memory allocator divides physically contiguous memory
>> 2188 blocks into "zones", where each zone is a power of two number of
>> 2189 pages. This option selects the largest power of two that the kernel
>> 2190 keeps in the memory allocator. If you need to allocate very large
>> 2191 blocks of physically contiguous memory, then you may need to
>> 2192 increase this value.
>> 2193
>> 2194 This config option is actually maximum order plus one. For example,
>> 2195 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2196
>> 2197 The page size is not necessarily 4KB. Keep this in mind
>> 2198 when choosing a value for this option.
>> 2199
>> 2200 config BOARD_SCACHE
>> 2201 bool
>> 2202
>> 2203 config IP22_CPU_SCACHE
>> 2204 bool
>> 2205 select BOARD_SCACHE
>> 2206
>> 2207 #
>> 2208 # Support for a MIPS32 / MIPS64 style S-caches
>> 2209 #
>> 2210 config MIPS_CPU_SCACHE
>> 2211 bool
>> 2212 select BOARD_SCACHE
>> 2213
>> 2214 config R5000_CPU_SCACHE
>> 2215 bool
>> 2216 select BOARD_SCACHE
>> 2217
>> 2218 config RM7000_CPU_SCACHE
>> 2219 bool
>> 2220 select BOARD_SCACHE
>> 2221
>> 2222 config SIBYTE_DMA_PAGEOPS
>> 2223 bool "Use DMA to clear/copy pages"
>> 2224 depends on CPU_SB1
534 help 2225 help
535 Support user-mode Transactional Memo !! 2226 Instead of using the CPU to zero and copy pages, use a Data Mover
>> 2227 channel. These DMA channels are otherwise unused by the standard
>> 2228 SiByte Linux port. Seems to give a small performance benefit.
>> 2229
>> 2230 config CPU_HAS_PREFETCH
>> 2231 bool
>> 2232
>> 2233 config CPU_GENERIC_DUMP_TLB
>> 2234 bool
>> 2235 default y if !(CPU_R3000 || CPU_R8000 || CPU_TX39XX)
>> 2236
>> 2237 config CPU_R4K_FPU
>> 2238 bool
>> 2239 default y if !(CPU_R3000 || CPU_TX39XX)
536 2240
537 config PPC_UV !! 2241 config CPU_R4K_CACHE_TLB
538 bool "Ultravisor support" !! 2242 bool
539 depends on KVM_BOOK3S_HV_POSSIBLE !! 2243 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
540 depends on DEVICE_PRIVATE !! 2244
>> 2245 config MIPS_MT_SMP
>> 2246 bool "MIPS MT SMP support (1 TC on each available VPE)"
>> 2247 default y
>> 2248 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
>> 2249 select CPU_MIPSR2_IRQ_VI
>> 2250 select CPU_MIPSR2_IRQ_EI
>> 2251 select SYNC_R4K
>> 2252 select MIPS_MT
>> 2253 select SMP
>> 2254 select SMP_UP
>> 2255 select SYS_SUPPORTS_SMP
>> 2256 select SYS_SUPPORTS_SCHED_SMT
>> 2257 select MIPS_PERF_SHARED_TC_COUNTERS
>> 2258 help
>> 2259 This is a kernel model which is known as SMVP. This is supported
>> 2260 on cores with the MT ASE and uses the available VPEs to implement
>> 2261 virtual processors which supports SMP. This is equivalent to the
>> 2262 Intel Hyperthreading feature. For further information go to
>> 2263 <http://www.imgtec.com/mips/mips-multithreading.asp>.
>> 2264
>> 2265 config MIPS_MT
>> 2266 bool
>> 2267
>> 2268 config SCHED_SMT
>> 2269 bool "SMT (multithreading) scheduler support"
>> 2270 depends on SYS_SUPPORTS_SCHED_SMT
541 default n 2271 default n
542 help 2272 help
543 This option paravirtualizes the kern !! 2273 SMT scheduler support improves the CPU scheduler's decision making
544 supports the Protected Execution Fac !! 2274 when dealing with MIPS MT enabled cores at a cost of slightly
545 the ultravisor firmware runs at a pr !! 2275 increased overhead in some places. If unsure say N here.
546 hypervisor. <<
547 <<
548 If unsure, say "N". <<
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 2276
572 config HOTPLUG_CPU !! 2277 config SYS_SUPPORTS_SCHED_SMT
573 bool "Support for enabling/disabling C !! 2278 bool
574 depends on SMP && (PPC_PSERIES || \ <<
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 2279
591 config PPC_QUEUED_SPINLOCKS !! 2280 config SYS_SUPPORTS_MULTITHREADING
592 bool "Queued spinlocks" if EXPERT !! 2281 bool
593 depends on SMP !! 2282
594 default PPC_BOOK3S_64 !! 2283 config MIPS_MT_FPAFF
>> 2284 bool "Dynamic FPU affinity for FP-intensive threads"
>> 2285 default y
>> 2286 depends on MIPS_MT_SMP
>> 2287
>> 2288 config MIPSR2_TO_R6_EMULATOR
>> 2289 bool "MIPS R2-to-R6 emulator"
>> 2290 depends on CPU_MIPSR6
>> 2291 default y
595 help 2292 help
596 Say Y here to use queued spinlocks w !! 2293 Choose this option if you want to run non-R6 MIPS userland code.
597 fairness on large SMP and NUMA syste !! 2294 Even if you say 'Y' here, the emulator will still be disabled by
598 performance. !! 2295 default. You can enable it using the 'mipsr2emu' kernel option.
>> 2296 The only reason this is a build-time option is to save ~14K from the
>> 2297 final kernel image.
599 2298
600 config ARCH_CPU_PROBE_RELEASE !! 2299 config SYS_SUPPORTS_VPE_LOADER
601 def_bool y !! 2300 bool
602 depends on HOTPLUG_CPU !! 2301 depends on SYS_SUPPORTS_MULTITHREADING
>> 2302 help
>> 2303 Indicates that the platform supports the VPE loader, and provides
>> 2304 physical_memsize.
603 2305
604 config PPC64_SUPPORTS_MEMORY_FAILURE !! 2306 config MIPS_VPE_LOADER
605 bool "Add support for memory hwpoison" !! 2307 bool "VPE loader support."
606 depends on PPC_BOOK3S_64 !! 2308 depends on SYS_SUPPORTS_VPE_LOADER && MODULES
607 default "y" if PPC_POWERNV !! 2309 select CPU_MIPSR2_IRQ_VI
608 select ARCH_SUPPORTS_MEMORY_FAILURE !! 2310 select CPU_MIPSR2_IRQ_EI
>> 2311 select MIPS_MT
>> 2312 help
>> 2313 Includes a loader for loading an elf relocatable object
>> 2314 onto another VPE and running it.
609 2315
610 config ARCH_SUPPORTS_KEXEC !! 2316 config MIPS_VPE_LOADER_CMP
611 def_bool PPC_BOOK3S || PPC_E500 || (44 !! 2317 bool
>> 2318 default "y"
>> 2319 depends on MIPS_VPE_LOADER && MIPS_CMP
612 2320
613 config ARCH_SUPPORTS_KEXEC_FILE !! 2321 config MIPS_VPE_LOADER_MT
614 def_bool PPC64 !! 2322 bool
>> 2323 default "y"
>> 2324 depends on MIPS_VPE_LOADER && !MIPS_CMP
615 2325
616 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 2326 config MIPS_VPE_LOADER_TOM
617 def_bool y !! 2327 bool "Load VPE program into memory hidden from linux"
>> 2328 depends on MIPS_VPE_LOADER
>> 2329 default y
>> 2330 help
>> 2331 The loader can use memory that is present but has been hidden from
>> 2332 Linux using the kernel command line option "mem=xxMB". It's up to
>> 2333 you to ensure the amount you put in the option and the space your
>> 2334 program requires is less or equal to the amount physically present.
618 2335
619 config ARCH_SELECTS_KEXEC_FILE !! 2336 config MIPS_VPE_APSP_API
620 def_bool y !! 2337 bool "Enable support for AP/SP API (RTLX)"
621 depends on KEXEC_FILE !! 2338 depends on MIPS_VPE_LOADER
622 select KEXEC_ELF !! 2339
623 select HAVE_IMA_KEXEC if IMA !! 2340 config MIPS_VPE_APSP_API_CMP
624 !! 2341 bool
625 config PPC64_BIG_ENDIAN_ELF_ABI_V2 !! 2342 default "y"
626 # Option is available to BFD, but LLD !! 2343 depends on MIPS_VPE_APSP_API && MIPS_CMP
627 # always true there. !! 2344
628 prompt "Build big-endian kernel using !! 2345 config MIPS_VPE_APSP_API_MT
629 def_bool y !! 2346 bool
630 depends on PPC64 && CPU_BIG_ENDIAN !! 2347 default "y"
631 depends on CC_HAS_ELFV2 !! 2348 depends on MIPS_VPE_APSP_API && !MIPS_CMP
>> 2349
>> 2350 config MIPS_CMP
>> 2351 bool "MIPS CMP framework support (DEPRECATED)"
>> 2352 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2353 select SMP
>> 2354 select SYNC_R4K
>> 2355 select SYS_SUPPORTS_SMP
>> 2356 select WEAK_ORDERING
>> 2357 default n
632 help 2358 help
633 This builds the kernel image using t !! 2359 Select this if you are using a bootloader which implements the "CMP
634 V2 ABI Specification", which has a r !! 2360 framework" protocol (ie. YAMON) and want your kernel to make use of
635 function calls. This internal kernel !! 2361 its ability to start secondary CPUs.
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 2362
642 config RELOCATABLE !! 2363 Unless you have a specific need, you should use CONFIG_MIPS_CPS
643 bool "Build a relocatable kernel" !! 2364 instead of this.
644 depends on PPC64 || (FLATMEM && (44x | <<
645 select NONSTATIC_KERNEL <<
646 help <<
647 This builds a kernel image that is c <<
648 location the kernel is loaded at. Fo <<
649 alignment restrictions, and this fea <<
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 2365
665 config RANDOMIZE_BASE !! 2366 config MIPS_CPS
666 bool "Randomize the address of the ker !! 2367 bool "MIPS Coherent Processing System support"
667 depends on PPC_85xx && FLATMEM !! 2368 depends on SYS_SUPPORTS_MIPS_CPS
668 depends on RELOCATABLE !! 2369 select MIPS_CM
>> 2370 select MIPS_CPS_PM if HOTPLUG_CPU
>> 2371 select SMP
>> 2372 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
>> 2373 select SYS_SUPPORTS_HOTPLUG_CPU
>> 2374 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
>> 2375 select SYS_SUPPORTS_SMP
>> 2376 select WEAK_ORDERING
669 help 2377 help
670 Randomizes the virtual address at wh !! 2378 Select this if you wish to run an SMP kernel across multiple cores
671 loaded, as a security feature that d !! 2379 within a MIPS Coherent Processing System. When this option is
672 relying on knowledge of the location !! 2380 enabled the kernel will probe for other cores and boot them with
>> 2381 no external assistance. It is safe to enable this when hardware
>> 2382 support is unavailable.
673 2383
674 If unsure, say Y. !! 2384 config MIPS_CPS_PM
>> 2385 depends on MIPS_CPS
>> 2386 bool
675 2387
676 config RELOCATABLE_TEST !! 2388 config MIPS_CM
677 bool "Test relocatable kernel" !! 2389 bool
678 depends on (PPC64 && RELOCATABLE) !! 2390 select MIPS_CPC
679 help <<
680 This runs the relocatable kernel at <<
681 loaded at, which tends to be non-zer <<
682 relocation code. <<
683 2391
684 config ARCH_SUPPORTS_CRASH_DUMP !! 2392 config MIPS_CPC
685 def_bool PPC64 || PPC_BOOK3S_32 || PPC !! 2393 bool
686 2394
687 config ARCH_SELECTS_CRASH_DUMP !! 2395 config SB1_PASS_2_WORKAROUNDS
688 def_bool y !! 2396 bool
689 depends on CRASH_DUMP !! 2397 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
690 select RELOCATABLE if PPC64 || 44x || !! 2398 default y
691 2399
692 config ARCH_SUPPORTS_CRASH_HOTPLUG !! 2400 config SB1_PASS_2_1_WORKAROUNDS
693 def_bool y !! 2401 bool
694 depends on PPC64 !! 2402 depends on CPU_SB1 && CPU_SB1_PASS_2
>> 2403 default y
695 2404
696 config FA_DUMP <<
697 bool "Firmware-assisted dump" <<
698 depends on CRASH_DUMP && PPC64 && (PPC <<
699 help <<
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 2405
728 config IRQ_ALL_CPUS !! 2406 choice
729 bool "Distribute interrupts on all CPU !! 2407 prompt "SmartMIPS or microMIPS ASE support"
730 depends on SMP !! 2408
>> 2409 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
>> 2410 bool "None"
731 help 2411 help
732 This option gives the kernel permiss !! 2412 Select this if you want neither microMIPS nor SmartMIPS support
733 multiple CPUs. Saying N here will r <<
734 CPU. Generally saying Y is safe, al <<
735 reported with SMP Power Macintoshes <<
736 2413
737 config NUMA !! 2414 config CPU_HAS_SMARTMIPS
738 bool "NUMA Memory Allocation and Sched !! 2415 depends on SYS_SUPPORTS_SMARTMIPS
739 depends on PPC64 && SMP !! 2416 bool "SmartMIPS"
740 default y if PPC_PSERIES || PPC_POWERN !! 2417 help
741 select USE_PERCPU_NUMA_NODE_ID !! 2418 SmartMIPS is a extension of the MIPS32 architecture aimed at
742 help !! 2419 increased security at both hardware and software level for
743 Enable NUMA (Non-Uniform Memory Acce !! 2420 smartcards. Enabling this option will allow proper use of the
744 !! 2421 SmartMIPS instructions by Linux applications. However a kernel with
745 The kernel will try to allocate memo !! 2422 this option will not work on a MIPS core without SmartMIPS core. If
746 local memory controller of the CPU a !! 2423 you don't know you probably don't have SmartMIPS and should say N
747 NUMA awareness to the kernel. !! 2424 here.
>> 2425
>> 2426 config CPU_MICROMIPS
>> 2427 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
>> 2428 bool "microMIPS"
>> 2429 help
>> 2430 When this option is enabled the kernel will be built using the
>> 2431 microMIPS ISA
748 2432
749 config NODES_SHIFT !! 2433 endchoice
>> 2434
>> 2435 config CPU_HAS_MSA
>> 2436 bool "Support for the MIPS SIMD Architecture"
>> 2437 depends on CPU_SUPPORTS_MSA
>> 2438 depends on 64BIT || MIPS_O32_FP64_SUPPORT
>> 2439 help
>> 2440 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
>> 2441 and a set of SIMD instructions to operate on them. When this option
>> 2442 is enabled the kernel will support allocating & switching MSA
>> 2443 vector register contexts. If you know that your kernel will only be
>> 2444 running on CPUs which do not support MSA or that your userland will
>> 2445 not be making use of it then you may wish to say N here to reduce
>> 2446 the size & complexity of your kernel.
>> 2447
>> 2448 If unsure, say Y.
>> 2449
>> 2450 config CPU_HAS_WB
>> 2451 bool
>> 2452
>> 2453 config XKS01
>> 2454 bool
>> 2455
>> 2456 config CPU_HAS_RIXI
>> 2457 bool
>> 2458
>> 2459 #
>> 2460 # Vectored interrupt mode is an R2 feature
>> 2461 #
>> 2462 config CPU_MIPSR2_IRQ_VI
>> 2463 bool
>> 2464
>> 2465 #
>> 2466 # Extended interrupt mode is an R2 feature
>> 2467 #
>> 2468 config CPU_MIPSR2_IRQ_EI
>> 2469 bool
>> 2470
>> 2471 config CPU_HAS_SYNC
>> 2472 bool
>> 2473 depends on !CPU_R3000
>> 2474 default y
>> 2475
>> 2476 #
>> 2477 # CPU non-features
>> 2478 #
>> 2479 config CPU_DADDI_WORKAROUNDS
>> 2480 bool
>> 2481
>> 2482 config CPU_R4000_WORKAROUNDS
>> 2483 bool
>> 2484 select CPU_R4400_WORKAROUNDS
>> 2485
>> 2486 config CPU_R4400_WORKAROUNDS
>> 2487 bool
>> 2488
>> 2489 config MIPS_ASID_SHIFT
750 int 2490 int
751 default "8" if PPC64 !! 2491 default 6 if CPU_R3000 || CPU_TX39XX
752 default "4" !! 2492 default 4 if CPU_R8000
753 depends on NUMA !! 2493 default 0
754 2494
755 config HAVE_MEMORYLESS_NODES !! 2495 config MIPS_ASID_BITS
756 def_bool y !! 2496 int
757 depends on NUMA !! 2497 default 0 if MIPS_ASID_BITS_VARIABLE
>> 2498 default 6 if CPU_R3000 || CPU_TX39XX
>> 2499 default 8
>> 2500
>> 2501 config MIPS_ASID_BITS_VARIABLE
>> 2502 bool
>> 2503
>> 2504 config MIPS_CRC_SUPPORT
>> 2505 bool
>> 2506
>> 2507 #
>> 2508 # - Highmem only makes sense for the 32-bit kernel.
>> 2509 # - The current highmem code will only work properly on physically indexed
>> 2510 # caches such as R3000, SB1, R7000 or those that look like they're virtually
>> 2511 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
>> 2512 # moment we protect the user and offer the highmem option only on machines
>> 2513 # where it's known to be safe. This will not offer highmem on a few systems
>> 2514 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
>> 2515 # indexed CPUs but we're playing safe.
>> 2516 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
>> 2517 # know they might have memory configurations that could make use of highmem
>> 2518 # support.
>> 2519 #
>> 2520 config HIGHMEM
>> 2521 bool "High Memory Support"
>> 2522 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
758 2523
759 config ARCH_SELECT_MEMORY_MODEL !! 2524 config CPU_SUPPORTS_HIGHMEM
760 def_bool y !! 2525 bool
761 depends on PPC64 !! 2526
>> 2527 config SYS_SUPPORTS_HIGHMEM
>> 2528 bool
>> 2529
>> 2530 config SYS_SUPPORTS_SMARTMIPS
>> 2531 bool
>> 2532
>> 2533 config SYS_SUPPORTS_MICROMIPS
>> 2534 bool
>> 2535
>> 2536 config SYS_SUPPORTS_MIPS16
>> 2537 bool
>> 2538 help
>> 2539 This option must be set if a kernel might be executed on a MIPS16-
>> 2540 enabled CPU even if MIPS16 is not actually being used. In other
>> 2541 words, it makes the kernel MIPS16-tolerant.
>> 2542
>> 2543 config CPU_SUPPORTS_MSA
>> 2544 bool
762 2545
763 config ARCH_FLATMEM_ENABLE 2546 config ARCH_FLATMEM_ENABLE
764 def_bool y 2547 def_bool y
765 depends on (PPC64 && !NUMA) || PPC32 !! 2548 depends on !NUMA && !CPU_LOONGSON2
>> 2549
>> 2550 config ARCH_DISCONTIGMEM_ENABLE
>> 2551 bool
>> 2552 default y if SGI_IP27
>> 2553 help
>> 2554 Say Y to support efficient handling of discontiguous physical memory,
>> 2555 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 2556 or have huge holes in the physical address space for other reasons.
>> 2557 See <file:Documentation/vm/numa.rst> for more.
766 2558
767 config ARCH_SPARSEMEM_ENABLE 2559 config ARCH_SPARSEMEM_ENABLE
768 def_bool y !! 2560 bool
769 depends on PPC64 !! 2561 select SPARSEMEM_STATIC
770 select SPARSEMEM_VMEMMAP_ENABLE <<
771 2562
772 config ARCH_SPARSEMEM_DEFAULT !! 2563 config NUMA
773 def_bool y !! 2564 bool "NUMA Support"
774 depends on PPC_BOOK3S_64 !! 2565 depends on SYS_SUPPORTS_NUMA
>> 2566 help
>> 2567 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 2568 Access). This option improves performance on systems with more
>> 2569 than two nodes; on two node systems it is generally better to
>> 2570 leave it disabled; on single node systems disable this option
>> 2571 disabled.
775 2572
776 config ILLEGAL_POINTER_VALUE !! 2573 config SYS_SUPPORTS_NUMA
777 hex !! 2574 bool
778 # This is roughly half way between the <<
779 # of kernel space, which seems about a <<
780 default 0x5deadbeef0000000 if PPC64 <<
781 default 0 <<
782 2575
783 config ARCH_MEMORY_PROBE !! 2576 config RELOCATABLE
784 def_bool y !! 2577 bool "Relocatable kernel"
785 depends on MEMORY_HOTPLUG !! 2578 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
>> 2579 help
>> 2580 This builds a kernel image that retains relocation information
>> 2581 so it can be loaded someplace besides the default 1MB.
>> 2582 The relocations make the kernel binary about 15% larger,
>> 2583 but are discarded at runtime
786 2584
787 choice !! 2585 config RELOCATION_TABLE_SIZE
788 prompt "Page size" !! 2586 hex "Relocation table size"
789 default PPC_64K_PAGES if PPC_BOOK3S_64 !! 2587 depends on RELOCATABLE
790 default PPC_4K_PAGES !! 2588 range 0x0 0x01000000
791 help !! 2589 default "0x00100000"
792 Select the kernel logical page size. !! 2590 ---help---
793 will reduce software overhead at eac !! 2591 A table of relocation data will be appended to the kernel binary
794 hardware prefetch mechanisms to be m !! 2592 and parsed at boot to fix up the relocated kernel.
795 larger dma transfers increasing IO e <<
796 overhead. However the utilization of <<
797 For example, each cached file will u <<
798 page size to hold its contents and t <<
799 end of file and the end of page is w <<
800 <<
801 Some dedicated systems, such as soft <<
802 accelerated calculations, have shown <<
803 <<
804 If you configure a 64 bit kernel for <<
805 processor does not support them, the <<
806 them with 4k pages, loading them on <<
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 2593
841 endchoice !! 2594 This option allows the amount of space reserved for the table to be
>> 2595 adjusted, although the default of 1Mb should be ok in most cases.
842 2596
843 config THREAD_SHIFT !! 2597 The build will fail and a valid size suggested if this is too small.
844 int "Thread shift" if EXPERT <<
845 range 13 15 <<
846 default "15" if PPC_256K_PAGES <<
847 default "15" if PPC_PSERIES || PPC_POW <<
848 default "14" if PPC64 <<
849 default "13" <<
850 help <<
851 Used to define the stack size. The d <<
852 want. Only change this if you know w <<
853 <<
854 config DATA_SHIFT_BOOL <<
855 bool "Set custom data alignment" <<
856 depends on ADVANCED_OPTIONS <<
857 depends on STRICT_KERNEL_RWX || DEBUG_ <<
858 depends on (PPC_8xx && !PIN_TLB_DATA & <<
859 PPC_BOOK3S_32 || PPC_85xx <<
860 help <<
861 This option allows you to set the ke <<
862 RAM is mapped by blocks, the alignme <<
863 number of possible blocks. The defau <<
864 <<
865 Say N here unless you know what you <<
866 <<
867 config DATA_SHIFT <<
868 int "Data shift" if DATA_SHIFT_BOOL <<
869 default 24 if STRICT_KERNEL_RWX && PPC <<
870 range 17 28 if (STRICT_KERNEL_RWX || D <<
871 range 19 23 if (STRICT_KERNEL_RWX || D <<
872 range 20 24 if (STRICT_KERNEL_RWX || D <<
873 default 22 if STRICT_KERNEL_RWX && PPC <<
874 default 18 if (DEBUG_PAGEALLOC || KFEN <<
875 default 23 if (STRICT_KERNEL_RWX || DE <<
876 (PIN_TLB_DATA || PIN_TLB <<
877 default 19 if (STRICT_KERNEL_RWX || DE <<
878 default 24 if STRICT_KERNEL_RWX && PPC <<
879 default PAGE_SHIFT <<
880 help <<
881 On Book3S 32 (603+), DBATs are used <<
882 Smaller is the alignment, greater is <<
883 <<
884 On 8xx, large pages (512kb or 8M) ar <<
885 memory. Aligning to 8M reduces TLB m <<
886 in that case. If PIN_TLB is selected <<
887 8M pages will be pinned. <<
888 <<
889 config ARCH_FORCE_MAX_ORDER <<
890 int "Order of maximal physically conti <<
891 range 7 8 if PPC64 && PPC_64K_PAGES <<
892 default "8" if PPC64 && PPC_64K_PAGES <<
893 range 12 12 if PPC64 && !PPC_64K_PAGES <<
894 default "12" if PPC64 && !PPC_64K_PAGE <<
895 range 8 10 if PPC32 && PPC_16K_PAGES <<
896 default "8" if PPC32 && PPC_16K_PAGES <<
897 range 6 10 if PPC32 && PPC_64K_PAGES <<
898 default "6" if PPC32 && PPC_64K_PAGES <<
899 range 4 10 if PPC32 && PPC_256K_PAGES <<
900 default "4" if PPC32 && PPC_256K_PAGES <<
901 range 10 12 <<
902 default "10" <<
903 help <<
904 The kernel page allocator limits the <<
905 contiguous allocations. The limit is <<
906 defines the maximal power of two of <<
907 allocated as a single contiguous blo <<
908 overriding the default setting when <<
909 large blocks of physically contiguou <<
910 <<
911 The page size is not necessarily 4KB <<
912 systems, 64KB pages can be enabled v <<
913 this in mind when choosing a value f <<
914 2598
915 Don't change if unsure. !! 2599 If unsure, leave at the default value.
916 2600
917 config PPC_SUBPAGE_PROT !! 2601 config RANDOMIZE_BASE
918 bool "Support setting protections for !! 2602 bool "Randomize the address of the kernel image"
919 default n !! 2603 depends on RELOCATABLE
920 depends on PPC_64S_HASH_MMU && PPC_64K !! 2604 ---help---
>> 2605 Randomizes the physical and virtual address at which the
>> 2606 kernel image is loaded, as a security feature that
>> 2607 deters exploit attempts relying on knowledge of the location
>> 2608 of kernel internals.
>> 2609
>> 2610 Entropy is generated using any coprocessor 0 registers available.
>> 2611
>> 2612 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
>> 2613
>> 2614 If unsure, say N.
>> 2615
>> 2616 config RANDOMIZE_BASE_MAX_OFFSET
>> 2617 hex "Maximum kASLR offset" if EXPERT
>> 2618 depends on RANDOMIZE_BASE
>> 2619 range 0x0 0x40000000 if EVA || 64BIT
>> 2620 range 0x0 0x08000000
>> 2621 default "0x01000000"
>> 2622 ---help---
>> 2623 When kASLR is active, this provides the maximum offset that will
>> 2624 be applied to the kernel image. It should be set according to the
>> 2625 amount of physical RAM available in the target system minus
>> 2626 PHYSICAL_START and must be a power of 2.
>> 2627
>> 2628 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
>> 2629 EVA or 64-bit. The default is 16Mb.
>> 2630
>> 2631 config NODES_SHIFT
>> 2632 int
>> 2633 default "6"
>> 2634 depends on NEED_MULTIPLE_NODES
>> 2635
>> 2636 config HW_PERF_EVENTS
>> 2637 bool "Enable hardware performance counter support for perf events"
>> 2638 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
>> 2639 default y
921 help 2640 help
922 This option adds support for system !! 2641 Enable hardware performance counter support for perf events. If
923 to set access permissions (read/writ !! 2642 disabled, perf events will use software events only.
924 on the 4k subpages of each 64k page. <<
925 2643
926 If unsure, say N here. !! 2644 source "mm/Kconfig"
927 2645
928 config PPC_PROT_SAO_LPAR !! 2646 config SMP
929 bool "Support PROT_SAO mappings in LPA !! 2647 bool "Multi-Processing support"
930 depends on PPC_BOOK3S_64 !! 2648 depends on SYS_SUPPORTS_SMP
931 help 2649 help
932 This option adds support for PROT_SA !! 2650 This enables support for systems with more than one CPU. If you have
933 inside LPARs on supported CPUs. !! 2651 a system with only one CPU, say N. If you have a system with more
>> 2652 than one CPU, say Y.
>> 2653
>> 2654 If you say N here, the kernel will run on uni- and multiprocessor
>> 2655 machines, but will use only one CPU of a multiprocessor machine. If
>> 2656 you say Y here, the kernel will run on many, but not all,
>> 2657 uniprocessor machines. On a uniprocessor machine, the kernel
>> 2658 will run faster if you say N here.
934 2659
935 This may cause issues when performin !! 2660 People using multiprocessor machines who say Y here should also say
936 a CPU that supports SAO to one that !! 2661 Y to "Enhanced Real Time Clock Support", below.
937 2662
938 If unsure, say N here. !! 2663 See also the SMP-HOWTO available at
>> 2664 <http://www.tldp.org/docs.html#howto>.
939 2665
940 config PPC_COPRO_BASE !! 2666 If you don't know what to do here, say N.
>> 2667
>> 2668 config HOTPLUG_CPU
>> 2669 bool "Support for hot-pluggable CPUs"
>> 2670 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
>> 2671 help
>> 2672 Say Y here to allow turning CPUs off and on. CPUs can be
>> 2673 controlled through /sys/devices/system/cpu.
>> 2674 (Note: power management support will enable this option
>> 2675 automatically on SMP systems. )
>> 2676 Say N if you want to disable CPU hotplug.
>> 2677
>> 2678 config SMP_UP
941 bool 2679 bool
942 2680
943 config SCHED_SMT !! 2681 config SYS_SUPPORTS_MIPS_CMP
944 bool "SMT (Hyperthreading) scheduler s !! 2682 bool
945 depends on PPC64 && SMP !! 2683
>> 2684 config SYS_SUPPORTS_MIPS_CPS
>> 2685 bool
>> 2686
>> 2687 config SYS_SUPPORTS_SMP
>> 2688 bool
>> 2689
>> 2690 config NR_CPUS_DEFAULT_4
>> 2691 bool
>> 2692
>> 2693 config NR_CPUS_DEFAULT_8
>> 2694 bool
>> 2695
>> 2696 config NR_CPUS_DEFAULT_16
>> 2697 bool
>> 2698
>> 2699 config NR_CPUS_DEFAULT_32
>> 2700 bool
>> 2701
>> 2702 config NR_CPUS_DEFAULT_64
>> 2703 bool
>> 2704
>> 2705 config NR_CPUS
>> 2706 int "Maximum number of CPUs (2-256)"
>> 2707 range 2 256
>> 2708 depends on SMP
>> 2709 default "4" if NR_CPUS_DEFAULT_4
>> 2710 default "8" if NR_CPUS_DEFAULT_8
>> 2711 default "16" if NR_CPUS_DEFAULT_16
>> 2712 default "32" if NR_CPUS_DEFAULT_32
>> 2713 default "64" if NR_CPUS_DEFAULT_64
946 help 2714 help
947 SMT scheduler support improves the C !! 2715 This allows you to specify the maximum number of CPUs which this
948 when dealing with POWER5 cpus at a c !! 2716 kernel will support. The maximum supported value is 32 for 32-bit
949 overhead in some places. If unsure s !! 2717 kernel and 64 for 64-bit kernels; the minimum value which makes
>> 2718 sense is 1 for Qemu (useful only for kernel debugging purposes)
>> 2719 and 2 for all others.
>> 2720
>> 2721 This is purely to save memory - each supported CPU adds
>> 2722 approximately eight kilobytes to the kernel image. For best
>> 2723 performance should round up your number of processors to the next
>> 2724 power of two.
>> 2725
>> 2726 config MIPS_PERF_SHARED_TC_COUNTERS
>> 2727 bool
950 2728
951 config PPC_DENORMALISATION !! 2729 config MIPS_NR_CPU_NR_MAP_1024
952 bool "PowerPC denormalisation exceptio !! 2730 bool
953 depends on PPC_BOOK3S_64 !! 2731
954 default "y" if PPC_POWERNV !! 2732 config MIPS_NR_CPU_NR_MAP
955 help !! 2733 int
956 Add support for handling denormalisa !! 2734 depends on SMP
957 values. Useful for bare metal only. !! 2735 default 1024 if MIPS_NR_CPU_NR_MAP_1024
958 !! 2736 default NR_CPUS if !MIPS_NR_CPU_NR_MAP_1024
959 config CMDLINE !! 2737
960 string "Initial kernel command string" !! 2738 #
961 default "" !! 2739 # Timer Interrupt Frequency Configuration
962 help !! 2740 #
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 2741
968 choice 2742 choice
969 prompt "Kernel command line type" !! 2743 prompt "Timer frequency"
970 depends on CMDLINE != "" !! 2744 default HZ_250
971 default CMDLINE_FROM_BOOTLOADER !! 2745 help
972 !! 2746 Allows the configuration of the timer frequency.
973 config CMDLINE_FROM_BOOTLOADER !! 2747
974 bool "Use bootloader kernel arguments !! 2748 config HZ_24
975 help !! 2749 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
976 Uses the command-line options passed !! 2750
977 the boot loader doesn't provide any, !! 2751 config HZ_48
978 string provided in CMDLINE will be u !! 2752 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
979 !! 2753
980 config CMDLINE_EXTEND !! 2754 config HZ_100
981 bool "Extend bootloader kernel argumen !! 2755 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
982 help !! 2756
983 The command-line arguments provided !! 2757 config HZ_128
984 appended to the default kernel comma !! 2758 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
985 !! 2759
986 config CMDLINE_FORCE !! 2760 config HZ_250
987 bool "Always use the default kernel co !! 2761 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
988 help !! 2762
989 Always use the default kernel comman !! 2763 config HZ_256
990 loader passes other arguments to the !! 2764 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
991 This is useful if you cannot or don' !! 2765
992 command-line options your boot loade !! 2766 config HZ_1000
>> 2767 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2768
>> 2769 config HZ_1024
>> 2770 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
993 2771
994 endchoice 2772 endchoice
995 2773
996 config EXTRA_TARGETS !! 2774 config SYS_SUPPORTS_24HZ
997 string "Additional default image types !! 2775 bool
998 help <<
999 List additional targets to be built <<
1000 by spaces). This is useful for tar <<
1001 files in the .dts directory. <<
1002 2776
1003 Targets in this list will be build !! 2777 config SYS_SUPPORTS_48HZ
1004 target, or when the user does a 'ma !! 2778 bool
1005 'make zImage.initrd'. <<
1006 2779
1007 If unsure, leave blank !! 2780 config SYS_SUPPORTS_100HZ
>> 2781 bool
1008 2782
1009 config ARCH_WANTS_FREEZER_CONTROL !! 2783 config SYS_SUPPORTS_128HZ
1010 def_bool y !! 2784 bool
1011 depends on ADB_PMU <<
1012 2785
1013 source "kernel/power/Kconfig" !! 2786 config SYS_SUPPORTS_250HZ
>> 2787 bool
1014 2788
1015 config PPC_MEM_KEYS !! 2789 config SYS_SUPPORTS_256HZ
1016 prompt "PowerPC Memory Protection Key !! 2790 bool
1017 def_bool y <<
1018 depends on PPC_BOOK3S_64 <<
1019 depends on PPC_64S_HASH_MMU <<
1020 select ARCH_USES_HIGH_VMA_FLAGS <<
1021 select ARCH_HAS_PKEYS <<
1022 help <<
1023 Memory Protection Keys provides a m <<
1024 page-based protections, but without <<
1025 page tables when an application cha <<
1026 2791
1027 For details, see Documentation/core !! 2792 config SYS_SUPPORTS_1000HZ
>> 2793 bool
1028 2794
1029 If unsure, say y. !! 2795 config SYS_SUPPORTS_1024HZ
>> 2796 bool
1030 2797
1031 config ARCH_PKEY_BITS !! 2798 config SYS_SUPPORTS_ARBIT_HZ
>> 2799 bool
>> 2800 default y if !SYS_SUPPORTS_24HZ && \
>> 2801 !SYS_SUPPORTS_48HZ && \
>> 2802 !SYS_SUPPORTS_100HZ && \
>> 2803 !SYS_SUPPORTS_128HZ && \
>> 2804 !SYS_SUPPORTS_250HZ && \
>> 2805 !SYS_SUPPORTS_256HZ && \
>> 2806 !SYS_SUPPORTS_1000HZ && \
>> 2807 !SYS_SUPPORTS_1024HZ
>> 2808
>> 2809 config HZ
1032 int 2810 int
1033 default 5 !! 2811 default 24 if HZ_24
>> 2812 default 48 if HZ_48
>> 2813 default 100 if HZ_100
>> 2814 default 128 if HZ_128
>> 2815 default 250 if HZ_250
>> 2816 default 256 if HZ_256
>> 2817 default 1000 if HZ_1000
>> 2818 default 1024 if HZ_1024
>> 2819
>> 2820 config SCHED_HRTICK
>> 2821 def_bool HIGH_RES_TIMERS
>> 2822
>> 2823 source "kernel/Kconfig.preempt"
>> 2824
>> 2825 config KEXEC
>> 2826 bool "Kexec system call"
>> 2827 select KEXEC_CORE
>> 2828 help
>> 2829 kexec is a system call that implements the ability to shutdown your
>> 2830 current kernel, and to start another kernel. It is like a reboot
>> 2831 but it is independent of the system firmware. And like a reboot
>> 2832 you can start any kernel with it, not just Linux.
>> 2833
>> 2834 The name comes from the similarity to the exec system call.
>> 2835
>> 2836 It is an ongoing process to be certain the hardware in a machine
>> 2837 is properly shutdown, so do not be surprised if this code does not
>> 2838 initially work for you. As of this writing the exact hardware
>> 2839 interface is strongly in flux, so no good recommendation can be
>> 2840 made.
>> 2841
>> 2842 config CRASH_DUMP
>> 2843 bool "Kernel crash dumps"
>> 2844 help
>> 2845 Generate crash dump after being started by kexec.
>> 2846 This should be normally only set in special crash dump kernels
>> 2847 which are loaded in the main kernel with kexec-tools into
>> 2848 a specially reserved region and then later executed after
>> 2849 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2850 to a memory address not used by the main kernel or firmware using
>> 2851 PHYSICAL_START.
>> 2852
>> 2853 config PHYSICAL_START
>> 2854 hex "Physical address where the kernel is loaded"
>> 2855 default "0xffffffff84000000"
>> 2856 depends on CRASH_DUMP
>> 2857 help
>> 2858 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
>> 2859 If you plan to use kernel for capturing the crash dump change
>> 2860 this value to start of the reserved region (the "X" value as
>> 2861 specified in the "crashkernel=YM@XM" command line boot parameter
>> 2862 passed to the panic-ed kernel).
>> 2863
>> 2864 config SECCOMP
>> 2865 bool "Enable seccomp to safely compute untrusted bytecode"
>> 2866 depends on PROC_FS
>> 2867 default y
>> 2868 help
>> 2869 This kernel feature is useful for number crunching applications
>> 2870 that may need to compute untrusted bytecode during their
>> 2871 execution. By using pipes or other transports made available to
>> 2872 the process as file descriptors supporting the read/write
>> 2873 syscalls, it's possible to isolate those applications in
>> 2874 their own address space using seccomp. Once seccomp is
>> 2875 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 2876 and the task is only allowed to execute a few safe syscalls
>> 2877 defined by each seccomp mode.
>> 2878
>> 2879 If unsure, say Y. Only embedded should say N here.
>> 2880
>> 2881 config MIPS_O32_FP64_SUPPORT
>> 2882 bool "Support for O32 binaries using 64-bit FP"
>> 2883 depends on 32BIT || MIPS32_O32
>> 2884 help
>> 2885 When this is enabled, the kernel will support use of 64-bit floating
>> 2886 point registers with binaries using the O32 ABI along with the
>> 2887 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
>> 2888 32-bit MIPS systems this support is at the cost of increasing the
>> 2889 size and complexity of the compiled FPU emulator. Thus if you are
>> 2890 running a MIPS32 system and know that none of your userland binaries
>> 2891 will require 64-bit floating point, you may wish to reduce the size
>> 2892 of your kernel & potentially improve FP emulation performance by
>> 2893 saying N here.
>> 2894
>> 2895 Although binutils currently supports use of this flag the details
>> 2896 concerning its effect upon the O32 ABI in userland are still being
>> 2897 worked on. In order to avoid userland becoming dependant upon current
>> 2898 behaviour before the details have been finalised, this option should
>> 2899 be considered experimental and only enabled by those working upon
>> 2900 said details.
1034 2901
1035 config PPC_SECURE_BOOT !! 2902 If unsure, say N.
1036 prompt "Enable secure boot support" !! 2903
>> 2904 config USE_OF
>> 2905 bool
>> 2906 select OF
>> 2907 select OF_EARLY_FLATTREE
>> 2908 select IRQ_DOMAIN
>> 2909
>> 2910 config BUILTIN_DTB
1037 bool 2911 bool
1038 depends on PPC_POWERNV || PPC_PSERIES !! 2912
1039 depends on IMA_ARCH_POLICY !! 2913 choice
1040 imply IMA_SECURE_AND_OR_TRUSTED_BOOT !! 2914 prompt "Kernel appended dtb support" if USE_OF
1041 select PSERIES_PLPKS if PPC_PSERIES !! 2915 default MIPS_NO_APPENDED_DTB
1042 help !! 2916
1043 Systems with firmware secure boot e !! 2917 config MIPS_NO_APPENDED_DTB
1044 policies to extend secure boot to t !! 2918 bool "None"
1045 to enable OS secure boot on systems !! 2919 help
1046 it. If in doubt say N. !! 2920 Do not enable appended dtb support.
1047 !! 2921
1048 config PPC_SECVAR_SYSFS !! 2922 config MIPS_ELF_APPENDED_DTB
1049 bool "Enable sysfs interface for POWE !! 2923 bool "vmlinux"
1050 default y !! 2924 help
1051 depends on PPC_SECURE_BOOT !! 2925 With this option, the boot code will look for a device tree binary
1052 depends on SYSFS !! 2926 DTB) included in the vmlinux ELF section .appended_dtb. By default
1053 help !! 2927 it is empty and the DTB can be appended using binutils command
1054 POWER secure variables are managed !! 2928 objcopy:
1055 These variables are exposed to user !! 2929
1056 read/write operations on these vari !! 2930 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
1057 secure boot enabled and want to exp !! 2931
>> 2932 This is meant as a backward compatiblity convenience for those
>> 2933 systems with a bootloader that can't be upgraded to accommodate
>> 2934 the documented boot protocol using a device tree.
>> 2935
>> 2936 config MIPS_RAW_APPENDED_DTB
>> 2937 bool "vmlinux.bin or vmlinuz.bin"
>> 2938 help
>> 2939 With this option, the boot code will look for a device tree binary
>> 2940 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
>> 2941 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
>> 2942
>> 2943 This is meant as a backward compatibility convenience for those
>> 2944 systems with a bootloader that can't be upgraded to accommodate
>> 2945 the documented boot protocol using a device tree.
>> 2946
>> 2947 Beware that there is very little in terms of protection against
>> 2948 this option being confused by leftover garbage in memory that might
>> 2949 look like a DTB header after a reboot if no actual DTB is appended
>> 2950 to vmlinux.bin. Do not leave this option active in a production kernel
>> 2951 if you don't intend to always append a DTB.
>> 2952 endchoice
>> 2953
>> 2954 choice
>> 2955 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
>> 2956 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
>> 2957 !MIPS_MALTA && \
>> 2958 !CAVIUM_OCTEON_SOC
>> 2959 default MIPS_CMDLINE_FROM_BOOTLOADER
>> 2960
>> 2961 config MIPS_CMDLINE_FROM_DTB
>> 2962 depends on USE_OF
>> 2963 bool "Dtb kernel arguments if available"
>> 2964
>> 2965 config MIPS_CMDLINE_DTB_EXTEND
>> 2966 depends on USE_OF
>> 2967 bool "Extend dtb kernel arguments with bootloader arguments"
>> 2968
>> 2969 config MIPS_CMDLINE_FROM_BOOTLOADER
>> 2970 bool "Bootloader kernel arguments if available"
>> 2971
>> 2972 config MIPS_CMDLINE_BUILTIN_EXTEND
>> 2973 depends on CMDLINE_BOOL
>> 2974 bool "Extend builtin kernel arguments with bootloader arguments"
>> 2975 endchoice
1058 2976
1059 endmenu 2977 endmenu
1060 2978
1061 config ISA_DMA_API !! 2979 config LOCKDEP_SUPPORT
1062 bool 2980 bool
1063 default PCI !! 2981 default y
1064 2982
1065 menu "Bus options" !! 2983 config STACKTRACE_SUPPORT
>> 2984 bool
>> 2985 default y
1066 2986
1067 config ISA !! 2987 config HAVE_LATENCYTOP_SUPPORT
1068 bool "Support for ISA-bus hardware" !! 2988 bool
1069 depends on PPC_CHRP !! 2989 default y
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 2990
1078 config GENERIC_ISA_DMA !! 2991 config PGTABLE_LEVELS
>> 2992 int
>> 2993 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
>> 2994 default 3 if 64BIT && !PAGE_SIZE_64KB
>> 2995 default 2
>> 2996
>> 2997 source "init/Kconfig"
>> 2998
>> 2999 source "kernel/Kconfig.freezer"
>> 3000
>> 3001 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
>> 3002
>> 3003 config HW_HAS_EISA
1079 bool 3004 bool
1080 depends on ISA_DMA_API !! 3005 config HW_HAS_PCI
>> 3006 bool
>> 3007
>> 3008 config PCI
>> 3009 bool "Support for PCI controller"
>> 3010 depends on HW_HAS_PCI
>> 3011 select PCI_DOMAINS
>> 3012 help
>> 3013 Find out whether you have a PCI motherboard. PCI is the name of a
>> 3014 bus system, i.e. the way the CPU talks to the other stuff inside
>> 3015 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
>> 3016 say Y, otherwise N.
>> 3017
>> 3018 config HT_PCI
>> 3019 bool "Support for HT-linked PCI"
1081 default y 3020 default y
>> 3021 depends on CPU_LOONGSON3
>> 3022 select PCI
>> 3023 select PCI_DOMAINS
>> 3024 help
>> 3025 Loongson family machines use Hyper-Transport bus for inter-core
>> 3026 connection and device connection. The PCI bus is a subordinate
>> 3027 linked at HT. Choose Y for Loongson-3 based machines.
1082 3028
1083 config PPC_INDIRECT_PCI !! 3029 config PCI_DOMAINS
1084 bool 3030 bool
1085 depends on PCI <<
1086 default y if 44x <<
1087 3031
1088 config SBUS !! 3032 config PCI_DOMAINS_GENERIC
1089 bool 3033 bool
1090 3034
1091 config FSL_SOC !! 3035 config PCI_DRIVERS_GENERIC
>> 3036 select PCI_DOMAINS_GENERIC if PCI_DOMAINS
1092 bool 3037 bool
1093 3038
1094 config FSL_PCI !! 3039 config PCI_DRIVERS_LEGACY
>> 3040 def_bool !PCI_DRIVERS_GENERIC
>> 3041 select NO_GENERIC_PCI_IOPORT_MAP
>> 3042
>> 3043 source "drivers/pci/Kconfig"
>> 3044
>> 3045 #
>> 3046 # ISA support is now enabled via select. Too many systems still have the one
>> 3047 # or other ISA chip on the board that users don't know about so don't expect
>> 3048 # users to choose the right thing ...
>> 3049 #
>> 3050 config ISA
1095 bool 3051 bool
1096 select ARCH_HAS_DMA_SET_MASK <<
1097 select PPC_INDIRECT_PCI <<
1098 select PCI_QUIRKS <<
1099 3052
1100 config FSL_PMC !! 3053 config EISA
>> 3054 bool "EISA support"
>> 3055 depends on HW_HAS_EISA
>> 3056 select ISA
>> 3057 select GENERIC_ISA_DMA
>> 3058 ---help---
>> 3059 The Extended Industry Standard Architecture (EISA) bus was
>> 3060 developed as an open alternative to the IBM MicroChannel bus.
>> 3061
>> 3062 The EISA bus provided some of the features of the IBM MicroChannel
>> 3063 bus while maintaining backward compatibility with cards made for
>> 3064 the older ISA bus. The EISA bus saw limited use between 1988 and
>> 3065 1995 when it was made obsolete by the PCI bus.
>> 3066
>> 3067 Say Y here if you are building a kernel for an EISA-based machine.
>> 3068
>> 3069 Otherwise, say N.
>> 3070
>> 3071 source "drivers/eisa/Kconfig"
>> 3072
>> 3073 config TC
>> 3074 bool "TURBOchannel support"
>> 3075 depends on MACH_DECSTATION
>> 3076 help
>> 3077 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
>> 3078 processors. TURBOchannel programming specifications are available
>> 3079 at:
>> 3080 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
>> 3081 and:
>> 3082 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
>> 3083 Linux driver support status is documented at:
>> 3084 <http://www.linux-mips.org/wiki/DECstation>
>> 3085
>> 3086 config MMU
1101 bool 3087 bool
1102 default y 3088 default y
1103 depends on SUSPEND && (PPC_85xx || PP <<
1104 help <<
1105 Freescale MPC85xx/MPC86xx power man <<
1106 (suspend/resume). For MPC83xx see p <<
1107 3089
1108 config PPC4xx_CPM !! 3090 config ARCH_MMAP_RND_BITS_MIN
>> 3091 default 12 if 64BIT
>> 3092 default 8
>> 3093
>> 3094 config ARCH_MMAP_RND_BITS_MAX
>> 3095 default 18 if 64BIT
>> 3096 default 15
>> 3097
>> 3098 config ARCH_MMAP_RND_COMPAT_BITS_MIN
>> 3099 default 8
>> 3100
>> 3101 config ARCH_MMAP_RND_COMPAT_BITS_MAX
>> 3102 default 15
>> 3103
>> 3104 config I8253
1109 bool 3105 bool
1110 default y !! 3106 select CLKSRC_I8253
1111 depends on SUSPEND && 44x !! 3107 select CLKEVT_I8253
1112 help !! 3108 select MIPS_EXTERNAL_TIMER
1113 PPC4xx Clock Power Management (CPM) <<
1114 It also enables support for two dif <<
1115 and idle-doze). <<
1116 3109
1117 config FSL_LBC !! 3110 config ZONE_DMA
1118 bool "Freescale Local Bus support" !! 3111 bool
1119 help <<
1120 Enables reporting of errors from th <<
1121 controller. Also contains some com <<
1122 drivers for specific local bus peri <<
1123 3112
1124 config FSL_GTM !! 3113 config ZONE_DMA32
1125 bool 3114 bool
1126 depends on PPC_83xx || QUICC_ENGINE | <<
1127 help <<
1128 Freescale General-purpose Timers su <<
1129 3115
1130 config FSL_RIO !! 3116 source "drivers/pcmcia/Kconfig"
1131 bool "Freescale Embedded SRIO Control !! 3117
1132 depends on RAPIDIO = y && HAVE_RAPIDI !! 3118 config RAPIDIO
1133 default "n" !! 3119 tristate "RapidIO support"
>> 3120 depends on PCI
>> 3121 default n
1134 help 3122 help
1135 Include support for RapidIO control !! 3123 If you say Y here, the kernel will include drivers and
1136 processors (MPC8548, MPC8641, etc). !! 3124 infrastructure code to support RapidIO interconnect devices.
>> 3125
>> 3126 source "drivers/rapidio/Kconfig"
1137 3127
1138 endmenu 3128 endmenu
1139 3129
1140 config NONSTATIC_KERNEL !! 3130 menu "Executable file formats"
>> 3131
>> 3132 source "fs/Kconfig.binfmt"
>> 3133
>> 3134 config TRAD_SIGNALS
1141 bool 3135 bool
1142 3136
1143 menu "Advanced setup" !! 3137 config MIPS32_COMPAT
1144 depends on PPC32 !! 3138 bool
1145 3139
1146 config ADVANCED_OPTIONS !! 3140 config COMPAT
1147 bool "Prompt for advanced kernel conf !! 3141 bool
1148 help <<
1149 This option will enable prompting f <<
1150 configuration options. These optio <<
1151 work if they are set incorrectly, b <<
1152 aspects of kernel memory management <<
1153 3142
1154 Unless you know what you are doing, !! 3143 config SYSVIPC_COMPAT
>> 3144 bool
1155 3145
1156 comment "Default settings for advanced config !! 3146 config MIPS32_O32
1157 depends on !ADVANCED_OPTIONS !! 3147 bool "Kernel support for o32 binaries"
>> 3148 depends on 64BIT
>> 3149 select ARCH_WANT_OLD_COMPAT_IPC
>> 3150 select COMPAT
>> 3151 select MIPS32_COMPAT
>> 3152 select SYSVIPC_COMPAT if SYSVIPC
>> 3153 help
>> 3154 Select this option if you want to run o32 binaries. These are pure
>> 3155 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
>> 3156 existing binaries are in this format.
1158 3157
1159 config LOWMEM_SIZE_BOOL !! 3158 If unsure, say Y.
1160 bool "Set maximum low memory" <<
1161 depends on ADVANCED_OPTIONS <<
1162 help <<
1163 This option allows you to set the m <<
1164 will be used as "low memory", that <<
1165 access directly, without having to <<
1166 This can be useful in optimizing th <<
1167 memory. <<
1168 3159
1169 Say N here unless you know what you !! 3160 config MIPS32_N32
>> 3161 bool "Kernel support for n32 binaries"
>> 3162 depends on 64BIT
>> 3163 select COMPAT
>> 3164 select MIPS32_COMPAT
>> 3165 select SYSVIPC_COMPAT if SYSVIPC
>> 3166 help
>> 3167 Select this option if you want to run n32 binaries. These are
>> 3168 64-bit binaries using 32-bit quantities for addressing and certain
>> 3169 data that would normally be 64-bit. They are used in special
>> 3170 cases.
1170 3171
1171 config LOWMEM_SIZE !! 3172 If unsure, say N.
1172 hex "Maximum low memory size (in byte <<
1173 default "0x30000000" <<
1174 3173
1175 config LOWMEM_CAM_NUM_BOOL !! 3174 config BINFMT_ELF32
1176 bool "Set number of CAMs to use to ma !! 3175 bool
1177 depends on ADVANCED_OPTIONS && PPC_85 !! 3176 default y if MIPS32_O32 || MIPS32_N32
1178 help !! 3177 select ELFCORE
1179 This option allows you to set the m <<
1180 will be used to map low memory. Th <<
1181 available and even more limited num <<
1182 However, using more entries will al <<
1183 can be useful in optimizing the lay <<
1184 3178
1185 Say N here unless you know what you !! 3179 endmenu
1186 3180
1187 config LOWMEM_CAM_NUM !! 3181 menu "Power management options"
1188 depends on PPC_85xx <<
1189 int "Number of CAMs to use to map low <<
1190 default 3 if !STRICT_KERNEL_RWX <<
1191 default 9 if DATA_SHIFT >= 24 <<
1192 default 12 if DATA_SHIFT >= 22 <<
1193 default 15 <<
1194 3182
1195 config DYNAMIC_MEMSTART !! 3183 config ARCH_HIBERNATION_POSSIBLE
1196 bool "Enable page aligned dynamic loa !! 3184 def_bool y
1197 depends on ADVANCED_OPTIONS && FLATME !! 3185 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
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 3186
1250 Say N here unless you know what you !! 3187 config ARCH_SUSPEND_POSSIBLE
>> 3188 def_bool y
>> 3189 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
1251 3190
1252 config PHYSICAL_START !! 3191 source "kernel/power/Kconfig"
1253 hex "Physical address where the kerne <<
1254 default "0x02000000" if PPC_BOOK3S && <<
1255 default "0x00000000" <<
1256 <<
1257 config PHYSICAL_ALIGN <<
1258 hex <<
1259 default "0x04000000" if PPC_85xx <<
1260 help <<
1261 This value puts the alignment restr <<
1262 where kernel is loaded and run from <<
1263 address which meets above alignment <<
1264 <<
1265 config TASK_SIZE_BOOL <<
1266 bool "Set custom user task size" <<
1267 depends on ADVANCED_OPTIONS <<
1268 help <<
1269 This option allows you to set the a <<
1270 allocated to user tasks. This can <<
1271 virtual memory layout of the system <<
1272 <<
1273 Say N here unless you know what you <<
1274 <<
1275 config TASK_SIZE <<
1276 hex "Size of user task space" if TASK <<
1277 default "0x80000000" if PPC_8xx <<
1278 default "0xb0000000" if PPC_BOOK3S_32 <<
1279 default "0xc0000000" <<
1280 <<
1281 config MODULES_SIZE_BOOL <<
1282 bool "Set custom size for modules/exe <<
1283 depends on EXECMEM && ADVANCED_OPTION <<
1284 help <<
1285 This option allows you to set the s <<
1286 space dedicated for modules/execmem <<
1287 For the time being it is only for 8 <<
1288 platform share it with vmalloc spac <<
1289 <<
1290 Say N here unless you know what you <<
1291 <<
1292 config MODULES_SIZE <<
1293 int "Size of modules/execmem area (In <<
1294 range 1 256 if EXECMEM <<
1295 default 64 if EXECMEM && PPC_BOOK3S_3 <<
1296 default 32 if EXECMEM && PPC_8xx <<
1297 default 0 <<
1298 3192
1299 endmenu 3193 endmenu
1300 3194
1301 if PPC64 !! 3195 config MIPS_EXTERNAL_TIMER
1302 # This value must have zeroes in the bottom 6 !! 3196 bool
1303 config PAGE_OFFSET !! 3197
1304 hex !! 3198 menu "CPU Power Management"
1305 default "0xc000000000000000" !! 3199
1306 config KERNEL_START !! 3200 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
1307 hex !! 3201 source "drivers/cpufreq/Kconfig"
1308 default "0xc000000000000000" <<
1309 config PHYSICAL_START <<
1310 hex <<
1311 default "0x00000000" <<
1312 endif 3202 endif
1313 3203
1314 config PPC_LIB_RHEAP !! 3204 source "drivers/cpuidle/Kconfig"
1315 bool !! 3205
>> 3206 endmenu
>> 3207
>> 3208 source "net/Kconfig"
>> 3209
>> 3210 source "drivers/Kconfig"
>> 3211
>> 3212 source "drivers/firmware/Kconfig"
>> 3213
>> 3214 source "fs/Kconfig"
>> 3215
>> 3216 source "arch/mips/Kconfig.debug"
>> 3217
>> 3218 source "security/Kconfig"
>> 3219
>> 3220 source "crypto/Kconfig"
1316 3221
1317 source "arch/powerpc/kvm/Kconfig" !! 3222 source "lib/Kconfig"
1318 3223
1319 source "kernel/livepatch/Kconfig" !! 3224 source "arch/mips/kvm/Kconfig"
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