1 # SPDX-License-Identifier: GPL-2.0 !! 1 config MIPS
2 source "arch/powerpc/platforms/Kconfig.cputype <<
3 <<
4 config CC_HAS_ELFV2 <<
5 def_bool PPC64 && $(cc-option, -mabi=e <<
6 <<
7 config CC_HAS_PREFIXED <<
8 def_bool PPC64 && $(cc-option, -mcpu=p <<
9 <<
10 config CC_HAS_PCREL <<
11 # Clang has a bug (https://github.com/ <<
12 # where pcrel code is not generated if <<
13 # -mno-vsx options are also given. Wit <<
14 # instructions are generated from regu <<
15 # do pcrel yet. <<
16 def_bool PPC64 && CC_IS_GCC && $(cc-op <<
17 <<
18 config 32BIT <<
19 bool <<
20 default y if PPC32 <<
21 <<
22 config 64BIT <<
23 bool <<
24 default y if PPC64 <<
25 <<
26 config LIVEPATCH_64 <<
27 def_bool PPC64 <<
28 depends on LIVEPATCH <<
29 <<
30 config MMU <<
31 bool <<
32 default y <<
33 <<
34 config ARCH_MMAP_RND_BITS_MAX <<
35 # On Book3S 64, the default virtual ad <<
36 # is 2^47 (128TB). As a maximum, allow <<
37 # 32T of address space (2^45), which s <<
38 # between bottom-up and top-down alloc <<
39 # consume "normal" amounts of address <<
40 # and 4K page sizes. <<
41 default 29 if PPC_BOOK3S_64 && PPC_64K <<
42 default 33 if PPC_BOOK3S_64 <<
43 # <<
44 # On all other 64-bit platforms (curre <<
45 # address space is 2^46 (64TB). Allow <<
46 # of address space (2^44). Only 4K pag <<
47 default 32 if 64BIT # 32 = 44 (16T <<
48 # <<
49 # For 32-bit, use the compat values, a <<
50 default ARCH_MMAP_RND_COMPAT_BITS_MAX <<
51 <<
52 config ARCH_MMAP_RND_BITS_MIN <<
53 # Allow randomisation to consume up to <<
54 default 14 if 64BIT && PPC_64K_PAGES <<
55 default 18 if 64BIT <<
56 # <<
57 # For 32-bit, use the compat values, a <<
58 default ARCH_MMAP_RND_COMPAT_BITS_MIN <<
59 <<
60 config ARCH_MMAP_RND_COMPAT_BITS_MAX <<
61 # Total virtual address space for 32-b <<
62 # Allow randomisation to consume up to <<
63 default 11 if PPC_256K_PAGES # 11 = <<
64 default 13 if PPC_64K_PAGES # 13 = <<
65 default 15 if PPC_16K_PAGES # 15 = <<
66 default 17 # 17 = <<
67 <<
68 config ARCH_MMAP_RND_COMPAT_BITS_MIN <<
69 # Total virtual address space for 32-b <<
70 # Allow randomisation to consume up to <<
71 default 5 if PPC_256K_PAGES # 5 = <<
72 default 7 if PPC_64K_PAGES # 7 = <<
73 default 9 if PPC_16K_PAGES # 9 = <<
74 default 11 # 11 = <<
75 <<
76 config NR_IRQS <<
77 int "Number of virtual interrupt numbe <<
78 range 32 1048576 <<
79 default "512" <<
80 help <<
81 This defines the number of virtual i <<
82 can manage. Virtual interrupt number <<
83 /proc/interrupts. If you configure y <<
84 drivers will fail to load or worse - <<
85 <<
86 config NMI_IPI <<
87 bool <<
88 depends on SMP && (DEBUGGER || KEXEC_C <<
89 default y <<
90 <<
91 config PPC_WATCHDOG <<
92 bool <<
93 depends on HARDLOCKUP_DETECTOR_ARCH <<
94 default y <<
95 help <<
96 This is a placeholder when the power <<
97 watchdog is selected (arch/powerpc/k <<
98 selected via the generic lockup dete <<
99 have no standalone config option for <<
100 <<
101 config STACKTRACE_SUPPORT <<
102 bool <<
103 default y <<
104 <<
105 config LOCKDEP_SUPPORT <<
106 bool <<
107 default y <<
108 <<
109 config GENERIC_LOCKBREAK <<
110 bool <<
111 default y <<
112 depends on SMP && PREEMPTION && !PPC_Q <<
113 <<
114 config GENERIC_HWEIGHT <<
115 bool 2 bool
116 default y 3 default y
117 !! 4 select ARCH_BINFMT_ELF_STATE
118 config PPC !! 5 select ARCH_CLOCKSOURCE_DATA
119 bool !! 6 select ARCH_DISCARD_MEMBLOCK
120 default y !! 7 select ARCH_HAS_ELF_RANDOMIZE
121 # !! 8 select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
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 9 select ARCH_MIGHT_HAVE_PC_PARPORT
164 select ARCH_MIGHT_HAVE_PC_SERIO 10 select ARCH_MIGHT_HAVE_PC_SERIO
165 select ARCH_OPTIONAL_KERNEL_RWX !! 11 select ARCH_SUPPORTS_UPROBES
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 12 select ARCH_USE_BUILTIN_BSWAP
172 select ARCH_USE_CMPXCHG_LOCKREF !! 13 select ARCH_USE_CMPXCHG_LOCKREF if 64BIT
173 select ARCH_USE_MEMTEST !! 14 select ARCH_USE_QUEUED_RWLOCKS
174 select ARCH_USE_QUEUED_RWLOCKS !! 15 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 16 select ARCH_WANT_IPC_PARSE_VERSION
178 select ARCH_WANT_IRQS_OFF_ACTIVATE_MM !! 17 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 18 select CLONE_BACKWARDS
186 select CPUMASK_OFFSTACK !! 19 select CPU_PM if CPU_IDLE
187 select DCACHE_WORD_ACCESS !! 20 select GENERIC_ATOMIC64 if !64BIT
188 select DMA_OPS_BYPASS !! 21 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 22 select GENERIC_CMOS_UPDATE
197 select GENERIC_CPU_AUTOPROBE 23 select GENERIC_CPU_AUTOPROBE
198 select GENERIC_CPU_VULNERABILITIES !! 24 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 25 select GENERIC_IRQ_SHOW
204 select GENERIC_IRQ_SHOW_LEVEL !! 26 select GENERIC_PCI_IOMAP
205 select GENERIC_PCI_IOMAP !! 27 select GENERIC_SCHED_CLOCK if !CAVIUM_OCTEON_SOC
206 select GENERIC_PTDUMP <<
207 select GENERIC_SMP_IDLE_THREAD 28 select GENERIC_SMP_IDLE_THREAD
208 select GENERIC_TIME_VSYSCALL 29 select GENERIC_TIME_VSYSCALL
209 select GENERIC_VDSO_TIME_NS !! 30 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 31 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 32 select HAVE_ARCH_KGDB
225 select HAVE_ARCH_MMAP_RND_BITS !! 33 select HAVE_ARCH_MMAP_RND_BITS if MMU
226 select HAVE_ARCH_MMAP_RND_COMPAT_BITS !! 34 select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
227 select HAVE_ARCH_NVRAM_OPS <<
228 select HAVE_ARCH_SECCOMP_FILTER 35 select HAVE_ARCH_SECCOMP_FILTER
229 select HAVE_ARCH_TRACEHOOK 36 select HAVE_ARCH_TRACEHOOK
230 select HAVE_ASM_MODVERSIONS !! 37 select HAVE_ARCH_TRANSPARENT_HUGEPAGE if CPU_SUPPORTS_HUGEPAGES && 64BIT
231 select HAVE_CONTEXT_TRACKING_USER !! 38 select HAVE_CBPF_JIT if (!64BIT && !CPU_MICROMIPS)
>> 39 select HAVE_EBPF_JIT if (64BIT && !CPU_MICROMIPS)
>> 40 select HAVE_CC_STACKPROTECTOR
>> 41 select HAVE_CONTEXT_TRACKING
>> 42 select HAVE_COPY_THREAD_TLS
232 select HAVE_C_RECORDMCOUNT 43 select HAVE_C_RECORDMCOUNT
233 select HAVE_DEBUG_KMEMLEAK 44 select HAVE_DEBUG_KMEMLEAK
234 select HAVE_DEBUG_STACKOVERFLOW 45 select HAVE_DEBUG_STACKOVERFLOW
>> 46 select HAVE_DMA_API_DEBUG
>> 47 select HAVE_DMA_CONTIGUOUS
235 select HAVE_DYNAMIC_FTRACE 48 select HAVE_DYNAMIC_FTRACE
236 select HAVE_DYNAMIC_FTRACE_WITH_ARGS !! 49 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 50 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 51 select HAVE_FUNCTION_GRAPH_TRACER
246 select HAVE_FUNCTION_TRACER !! 52 select HAVE_FUNCTION_TRACER
247 select HAVE_GCC_PLUGINS !! 53 select HAVE_GENERIC_DMA_COHERENT
248 select HAVE_GENERIC_VDSO !! 54 select HAVE_IDE
249 select HAVE_HARDLOCKUP_DETECTOR_ARCH !! 55 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 56 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 57 select HAVE_KPROBES
259 select HAVE_KPROBES_ON_FTRACE <<
260 select HAVE_KRETPROBES 58 select HAVE_KRETPROBES
261 select HAVE_LD_DEAD_CODE_DATA_ELIMINAT !! 59 select HAVE_MEMBLOCK
262 select HAVE_LIVEPATCH !! 60 select HAVE_MEMBLOCK_NODE_MAP
263 select HAVE_MOD_ARCH_SPECIFIC 61 select HAVE_MOD_ARCH_SPECIFIC
264 select HAVE_NMI !! 62 select HAVE_NMI
265 select HAVE_OPTPROBES !! 63 select HAVE_OPROFILE
266 select HAVE_OBJTOOL <<
267 select HAVE_OBJTOOL_MCOUNT <<
268 select HAVE_PERF_EVENTS 64 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 65 select HAVE_REGS_AND_STACK_ACCESS_API
274 select HAVE_RELIABLE_STACKTRACE <<
275 select HAVE_RSEQ <<
276 select HAVE_SETUP_PER_CPU_AREA <<
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 66 select HAVE_SYSCALL_TRACEPOINTS
282 select HAVE_VIRT_CPU_ACCOUNTING <<
283 select HAVE_VIRT_CPU_ACCOUNTING_GEN 67 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 68 select IRQ_FORCED_THREADING
290 select KASAN_VMALLOC !! 69 select MODULES_USE_ELF_RELA if MODULES && 64BIT
291 select LOCK_MM_AND_FIND_VMA !! 70 select MODULES_USE_ELF_REL if MODULES
292 select MMU_GATHER_PAGE_SIZE !! 71 select PERF_USE_VMALLOC
293 select MMU_GATHER_RCU_TABLE_FREE !! 72 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 73 select SYSCTL_EXCEPTION_TRACE
313 select THREAD_INFO_IN_TASK !! 74 select VIRT_TO_BUS
314 select TRACE_IRQFLAGS_SUPPORT !! 75
315 select VDSO_GETRANDOM !! 76 menu "Machine selection"
>> 77
>> 78 choice
>> 79 prompt "System type"
>> 80 default SGI_IP22
>> 81
>> 82 config MIPS_GENERIC
>> 83 bool "Generic board-agnostic MIPS kernel"
>> 84 select BOOT_RAW
>> 85 select BUILTIN_DTB
>> 86 select CEVT_R4K
>> 87 select CLKSRC_MIPS_GIC
>> 88 select COMMON_CLK
>> 89 select CPU_MIPSR2_IRQ_VI
>> 90 select CPU_MIPSR2_IRQ_EI
>> 91 select CSRC_R4K
>> 92 select DMA_PERDEV_COHERENT
>> 93 select HW_HAS_PCI
>> 94 select IRQ_MIPS_CPU
>> 95 select LIBFDT
>> 96 select MIPS_CPU_SCACHE
>> 97 select MIPS_GIC
>> 98 select MIPS_L1_CACHE_SHIFT_7
>> 99 select NO_EXCEPT_FILL
>> 100 select PCI_DRIVERS_GENERIC
>> 101 select PINCTRL
>> 102 select SMP_UP if SMP
>> 103 select SWAP_IO_SPACE
>> 104 select SYS_HAS_CPU_MIPS32_R1
>> 105 select SYS_HAS_CPU_MIPS32_R2
>> 106 select SYS_HAS_CPU_MIPS32_R6
>> 107 select SYS_HAS_CPU_MIPS64_R1
>> 108 select SYS_HAS_CPU_MIPS64_R2
>> 109 select SYS_HAS_CPU_MIPS64_R6
>> 110 select SYS_SUPPORTS_32BIT_KERNEL
>> 111 select SYS_SUPPORTS_64BIT_KERNEL
>> 112 select SYS_SUPPORTS_BIG_ENDIAN
>> 113 select SYS_SUPPORTS_HIGHMEM
>> 114 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 115 select SYS_SUPPORTS_MICROMIPS
>> 116 select SYS_SUPPORTS_MIPS_CPS
>> 117 select SYS_SUPPORTS_MIPS16
>> 118 select SYS_SUPPORTS_MULTITHREADING
>> 119 select SYS_SUPPORTS_RELOCATABLE
>> 120 select SYS_SUPPORTS_SMARTMIPS
>> 121 select USB_EHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
>> 122 select USB_EHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
>> 123 select USB_OHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
>> 124 select USB_OHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
>> 125 select USB_UHCI_BIG_ENDIAN_DESC if BIG_ENDIAN
>> 126 select USB_UHCI_BIG_ENDIAN_MMIO if BIG_ENDIAN
>> 127 select USE_OF
>> 128 help
>> 129 Select this to build a kernel which aims to support multiple boards,
>> 130 generally using a flattened device tree passed from the bootloader
>> 131 using the boot protocol defined in the UHI (Unified Hosting
>> 132 Interface) specification.
>> 133
>> 134 config MIPS_ALCHEMY
>> 135 bool "Alchemy processor based machines"
>> 136 select ARCH_PHYS_ADDR_T_64BIT
>> 137 select CEVT_R4K
>> 138 select CSRC_R4K
>> 139 select IRQ_MIPS_CPU
>> 140 select DMA_MAYBE_COHERENT # Au1000,1500,1100 aren't, rest is
>> 141 select SYS_HAS_CPU_MIPS32_R1
>> 142 select SYS_SUPPORTS_32BIT_KERNEL
>> 143 select SYS_SUPPORTS_APM_EMULATION
>> 144 select GPIOLIB
>> 145 select SYS_SUPPORTS_ZBOOT
>> 146 select COMMON_CLK
>> 147
>> 148 config AR7
>> 149 bool "Texas Instruments AR7"
>> 150 select BOOT_ELF32
>> 151 select DMA_NONCOHERENT
>> 152 select CEVT_R4K
>> 153 select CSRC_R4K
>> 154 select IRQ_MIPS_CPU
>> 155 select NO_EXCEPT_FILL
>> 156 select SWAP_IO_SPACE
>> 157 select SYS_HAS_CPU_MIPS32_R1
>> 158 select SYS_HAS_EARLY_PRINTK
>> 159 select SYS_SUPPORTS_32BIT_KERNEL
>> 160 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 161 select SYS_SUPPORTS_MIPS16
>> 162 select SYS_SUPPORTS_ZBOOT_UART16550
>> 163 select GPIOLIB
>> 164 select VLYNQ
>> 165 select HAVE_CLK
>> 166 help
>> 167 Support for the Texas Instruments AR7 System-on-a-Chip
>> 168 family: TNETD7100, 7200 and 7300.
>> 169
>> 170 config ATH25
>> 171 bool "Atheros AR231x/AR531x SoC support"
>> 172 select CEVT_R4K
>> 173 select CSRC_R4K
>> 174 select DMA_NONCOHERENT
>> 175 select IRQ_MIPS_CPU
>> 176 select IRQ_DOMAIN
>> 177 select SYS_HAS_CPU_MIPS32_R1
>> 178 select SYS_SUPPORTS_BIG_ENDIAN
>> 179 select SYS_SUPPORTS_32BIT_KERNEL
>> 180 select SYS_HAS_EARLY_PRINTK
>> 181 help
>> 182 Support for Atheros AR231x and Atheros AR531x based boards
>> 183
>> 184 config ATH79
>> 185 bool "Atheros AR71XX/AR724X/AR913X based boards"
>> 186 select ARCH_HAS_RESET_CONTROLLER
>> 187 select BOOT_RAW
>> 188 select CEVT_R4K
>> 189 select CSRC_R4K
>> 190 select DMA_NONCOHERENT
>> 191 select GPIOLIB
>> 192 select HAVE_CLK
>> 193 select COMMON_CLK
>> 194 select CLKDEV_LOOKUP
>> 195 select IRQ_MIPS_CPU
>> 196 select MIPS_MACHINE
>> 197 select SYS_HAS_CPU_MIPS32_R2
>> 198 select SYS_HAS_EARLY_PRINTK
>> 199 select SYS_SUPPORTS_32BIT_KERNEL
>> 200 select SYS_SUPPORTS_BIG_ENDIAN
>> 201 select SYS_SUPPORTS_MIPS16
>> 202 select SYS_SUPPORTS_ZBOOT_UART_PROM
>> 203 select USE_OF
>> 204 help
>> 205 Support for the Atheros AR71XX/AR724X/AR913X SoCs.
>> 206
>> 207 config BMIPS_GENERIC
>> 208 bool "Broadcom Generic BMIPS kernel"
>> 209 select BOOT_RAW
>> 210 select NO_EXCEPT_FILL
>> 211 select USE_OF
>> 212 select CEVT_R4K
>> 213 select CSRC_R4K
>> 214 select SYNC_R4K
>> 215 select COMMON_CLK
>> 216 select BCM6345_L1_IRQ
>> 217 select BCM7038_L1_IRQ
>> 218 select BCM7120_L2_IRQ
>> 219 select BRCMSTB_L2_IRQ
>> 220 select IRQ_MIPS_CPU
>> 221 select DMA_NONCOHERENT
>> 222 select SYS_SUPPORTS_32BIT_KERNEL
>> 223 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 224 select SYS_SUPPORTS_BIG_ENDIAN
>> 225 select SYS_SUPPORTS_HIGHMEM
>> 226 select SYS_HAS_CPU_BMIPS32_3300
>> 227 select SYS_HAS_CPU_BMIPS4350
>> 228 select SYS_HAS_CPU_BMIPS4380
>> 229 select SYS_HAS_CPU_BMIPS5000
>> 230 select SWAP_IO_SPACE
>> 231 select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 232 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 233 select USB_OHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
>> 234 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 235 help
>> 236 Build a generic DT-based kernel image that boots on select
>> 237 BCM33xx cable modem chips, BCM63xx DSL chips, and BCM7xxx set-top
>> 238 box chips. Note that CONFIG_CPU_BIG_ENDIAN/CONFIG_CPU_LITTLE_ENDIAN
>> 239 must be set appropriately for your board.
>> 240
>> 241 config BCM47XX
>> 242 bool "Broadcom BCM47XX based boards"
>> 243 select BOOT_RAW
>> 244 select CEVT_R4K
>> 245 select CSRC_R4K
>> 246 select DMA_NONCOHERENT
>> 247 select HW_HAS_PCI
>> 248 select IRQ_MIPS_CPU
>> 249 select SYS_HAS_CPU_MIPS32_R1
>> 250 select NO_EXCEPT_FILL
>> 251 select SYS_SUPPORTS_32BIT_KERNEL
>> 252 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 253 select SYS_SUPPORTS_MIPS16
>> 254 select SYS_HAS_EARLY_PRINTK
>> 255 select USE_GENERIC_EARLY_PRINTK_8250
>> 256 select GPIOLIB
>> 257 select LEDS_GPIO_REGISTER
>> 258 select BCM47XX_NVRAM
>> 259 select BCM47XX_SPROM
>> 260 help
>> 261 Support for BCM47XX based boards
>> 262
>> 263 config BCM63XX
>> 264 bool "Broadcom BCM63XX based boards"
>> 265 select BOOT_RAW
>> 266 select CEVT_R4K
>> 267 select CSRC_R4K
>> 268 select SYNC_R4K
>> 269 select DMA_NONCOHERENT
>> 270 select IRQ_MIPS_CPU
>> 271 select SYS_SUPPORTS_32BIT_KERNEL
>> 272 select SYS_SUPPORTS_BIG_ENDIAN
>> 273 select SYS_HAS_EARLY_PRINTK
>> 274 select SWAP_IO_SPACE
>> 275 select GPIOLIB
>> 276 select HAVE_CLK
>> 277 select MIPS_L1_CACHE_SHIFT_4
>> 278 help
>> 279 Support for BCM63XX based boards
>> 280
>> 281 config MIPS_COBALT
>> 282 bool "Cobalt Server"
>> 283 select CEVT_R4K
>> 284 select CSRC_R4K
>> 285 select CEVT_GT641XX
>> 286 select DMA_NONCOHERENT
>> 287 select HW_HAS_PCI
>> 288 select I8253
>> 289 select I8259
>> 290 select IRQ_MIPS_CPU
>> 291 select IRQ_GT641XX
>> 292 select PCI_GT64XXX_PCI0
>> 293 select PCI
>> 294 select SYS_HAS_CPU_NEVADA
>> 295 select SYS_HAS_EARLY_PRINTK
>> 296 select SYS_SUPPORTS_32BIT_KERNEL
>> 297 select SYS_SUPPORTS_64BIT_KERNEL
>> 298 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 299 select USE_GENERIC_EARLY_PRINTK_8250
>> 300
>> 301 config MACH_DECSTATION
>> 302 bool "DECstations"
>> 303 select BOOT_ELF32
>> 304 select CEVT_DS1287
>> 305 select CEVT_R4K if CPU_R4X00
>> 306 select CSRC_IOASIC
>> 307 select CSRC_R4K if CPU_R4X00
>> 308 select CPU_DADDI_WORKAROUNDS if 64BIT
>> 309 select CPU_R4000_WORKAROUNDS if 64BIT
>> 310 select CPU_R4400_WORKAROUNDS if 64BIT
>> 311 select DMA_NONCOHERENT
>> 312 select NO_IOPORT_MAP
>> 313 select IRQ_MIPS_CPU
>> 314 select SYS_HAS_CPU_R3000
>> 315 select SYS_HAS_CPU_R4X00
>> 316 select SYS_SUPPORTS_32BIT_KERNEL
>> 317 select SYS_SUPPORTS_64BIT_KERNEL
>> 318 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 319 select SYS_SUPPORTS_128HZ
>> 320 select SYS_SUPPORTS_256HZ
>> 321 select SYS_SUPPORTS_1024HZ
>> 322 select MIPS_L1_CACHE_SHIFT_4
>> 323 help
>> 324 This enables support for DEC's MIPS based workstations. For details
>> 325 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
>> 326 DECstation porting pages on <http://decstation.unix-ag.org/>.
>> 327
>> 328 If you have one of the following DECstation Models you definitely
>> 329 want to choose R4xx0 for the CPU Type:
>> 330
>> 331 DECstation 5000/50
>> 332 DECstation 5000/150
>> 333 DECstation 5000/260
>> 334 DECsystem 5900/260
>> 335
>> 336 otherwise choose R3000.
>> 337
>> 338 config MACH_JAZZ
>> 339 bool "Jazz family of machines"
>> 340 select FW_ARC
>> 341 select FW_ARC32
>> 342 select ARCH_MAY_HAVE_PC_FDC
>> 343 select CEVT_R4K
>> 344 select CSRC_R4K
>> 345 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 346 select GENERIC_ISA_DMA
>> 347 select HAVE_PCSPKR_PLATFORM
>> 348 select IRQ_MIPS_CPU
>> 349 select I8253
>> 350 select I8259
>> 351 select ISA
>> 352 select SYS_HAS_CPU_R4X00
>> 353 select SYS_SUPPORTS_32BIT_KERNEL
>> 354 select SYS_SUPPORTS_64BIT_KERNEL
>> 355 select SYS_SUPPORTS_100HZ
>> 356 help
>> 357 This a family of machines based on the MIPS R4030 chipset which was
>> 358 used by several vendors to build RISC/os and Windows NT workstations.
>> 359 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
>> 360 Olivetti M700-10 workstations.
>> 361
>> 362 config MACH_INGENIC
>> 363 bool "Ingenic SoC based machines"
>> 364 select SYS_SUPPORTS_32BIT_KERNEL
>> 365 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 366 select SYS_SUPPORTS_ZBOOT_UART16550
>> 367 select DMA_NONCOHERENT
>> 368 select IRQ_MIPS_CPU
>> 369 select PINCTRL
>> 370 select GPIOLIB
>> 371 select COMMON_CLK
>> 372 select GENERIC_IRQ_CHIP
>> 373 select BUILTIN_DTB
>> 374 select USE_OF
>> 375 select LIBFDT
>> 376
>> 377 config LANTIQ
>> 378 bool "Lantiq based platforms"
>> 379 select DMA_NONCOHERENT
>> 380 select IRQ_MIPS_CPU
>> 381 select CEVT_R4K
>> 382 select CSRC_R4K
>> 383 select SYS_HAS_CPU_MIPS32_R1
>> 384 select SYS_HAS_CPU_MIPS32_R2
>> 385 select SYS_SUPPORTS_BIG_ENDIAN
>> 386 select SYS_SUPPORTS_32BIT_KERNEL
>> 387 select SYS_SUPPORTS_MIPS16
>> 388 select SYS_SUPPORTS_MULTITHREADING
>> 389 select SYS_HAS_EARLY_PRINTK
>> 390 select GPIOLIB
>> 391 select SWAP_IO_SPACE
>> 392 select BOOT_RAW
>> 393 select CLKDEV_LOOKUP
>> 394 select USE_OF
>> 395 select PINCTRL
>> 396 select PINCTRL_LANTIQ
>> 397 select ARCH_HAS_RESET_CONTROLLER
>> 398 select RESET_CONTROLLER
>> 399
>> 400 config LASAT
>> 401 bool "LASAT Networks platforms"
>> 402 select CEVT_R4K
>> 403 select CRC32
>> 404 select CSRC_R4K
>> 405 select DMA_NONCOHERENT
>> 406 select SYS_HAS_EARLY_PRINTK
>> 407 select HW_HAS_PCI
>> 408 select IRQ_MIPS_CPU
>> 409 select PCI_GT64XXX_PCI0
>> 410 select MIPS_NILE4
>> 411 select R5000_CPU_SCACHE
>> 412 select SYS_HAS_CPU_R5000
>> 413 select SYS_SUPPORTS_32BIT_KERNEL
>> 414 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
>> 415 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 416
>> 417 config MACH_LOONGSON32
>> 418 bool "Loongson-1 family of machines"
>> 419 select SYS_SUPPORTS_ZBOOT
>> 420 help
>> 421 This enables support for the Loongson-1 family of machines.
>> 422
>> 423 Loongson-1 is a family of 32-bit MIPS-compatible SoCs developed by
>> 424 the Institute of Computing Technology (ICT), Chinese Academy of
>> 425 Sciences (CAS).
>> 426
>> 427 config MACH_LOONGSON64
>> 428 bool "Loongson-2/3 family of machines"
>> 429 select SYS_SUPPORTS_ZBOOT
>> 430 help
>> 431 This enables the support of Loongson-2/3 family of machines.
>> 432
>> 433 Loongson-2 is a family of single-core CPUs and Loongson-3 is a
>> 434 family of multi-core CPUs. They are both 64-bit general-purpose
>> 435 MIPS-compatible CPUs. Loongson-2/3 are developed by the Institute
>> 436 of Computing Technology (ICT), Chinese Academy of Sciences (CAS)
>> 437 in the People's Republic of China. The chief architect is Professor
>> 438 Weiwu Hu.
>> 439
>> 440 config MACH_PISTACHIO
>> 441 bool "IMG Pistachio SoC based boards"
>> 442 select BOOT_ELF32
>> 443 select BOOT_RAW
>> 444 select CEVT_R4K
>> 445 select CLKSRC_MIPS_GIC
>> 446 select COMMON_CLK
>> 447 select CSRC_R4K
>> 448 select DMA_NONCOHERENT
>> 449 select GPIOLIB
>> 450 select IRQ_MIPS_CPU
>> 451 select LIBFDT
>> 452 select MFD_SYSCON
>> 453 select MIPS_CPU_SCACHE
>> 454 select MIPS_GIC
>> 455 select PINCTRL
>> 456 select REGULATOR
>> 457 select SYS_HAS_CPU_MIPS32_R2
>> 458 select SYS_SUPPORTS_32BIT_KERNEL
>> 459 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 460 select SYS_SUPPORTS_MIPS_CPS
>> 461 select SYS_SUPPORTS_MULTITHREADING
>> 462 select SYS_SUPPORTS_RELOCATABLE
>> 463 select SYS_SUPPORTS_ZBOOT
>> 464 select SYS_HAS_EARLY_PRINTK
>> 465 select USE_GENERIC_EARLY_PRINTK_8250
>> 466 select USE_OF
>> 467 help
>> 468 This enables support for the IMG Pistachio SoC platform.
>> 469
>> 470 config MACH_XILFPGA
>> 471 bool "MIPSfpga Xilinx based boards"
>> 472 select BOOT_ELF32
>> 473 select BOOT_RAW
>> 474 select BUILTIN_DTB
>> 475 select CEVT_R4K
>> 476 select COMMON_CLK
>> 477 select CSRC_R4K
>> 478 select GPIOLIB
>> 479 select IRQ_MIPS_CPU
>> 480 select LIBFDT
>> 481 select MIPS_CPU_SCACHE
>> 482 select SYS_HAS_EARLY_PRINTK
>> 483 select SYS_HAS_CPU_MIPS32_R2
>> 484 select SYS_SUPPORTS_32BIT_KERNEL
>> 485 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 486 select SYS_SUPPORTS_ZBOOT_UART16550
>> 487 select USE_OF
>> 488 select USE_GENERIC_EARLY_PRINTK_8250
>> 489 select XILINX_INTC
>> 490 help
>> 491 This enables support for the IMG University Program MIPSfpga platform.
>> 492
>> 493 config MIPS_MALTA
>> 494 bool "MIPS Malta board"
>> 495 select ARCH_MAY_HAVE_PC_FDC
>> 496 select BOOT_ELF32
>> 497 select BOOT_RAW
>> 498 select BUILTIN_DTB
>> 499 select CEVT_R4K
>> 500 select CSRC_R4K
>> 501 select CLKSRC_MIPS_GIC
>> 502 select COMMON_CLK
>> 503 select DMA_MAYBE_COHERENT
>> 504 select GENERIC_ISA_DMA
>> 505 select HAVE_PCSPKR_PLATFORM
>> 506 select IRQ_MIPS_CPU
>> 507 select MIPS_GIC
>> 508 select HW_HAS_PCI
>> 509 select I8253
>> 510 select I8259
>> 511 select MIPS_BONITO64
>> 512 select MIPS_CPU_SCACHE
>> 513 select MIPS_L1_CACHE_SHIFT_6
>> 514 select PCI_GT64XXX_PCI0
>> 515 select MIPS_MSC
>> 516 select SMP_UP if SMP
>> 517 select SWAP_IO_SPACE
>> 518 select SYS_HAS_CPU_MIPS32_R1
>> 519 select SYS_HAS_CPU_MIPS32_R2
>> 520 select SYS_HAS_CPU_MIPS32_R3_5
>> 521 select SYS_HAS_CPU_MIPS32_R5
>> 522 select SYS_HAS_CPU_MIPS32_R6
>> 523 select SYS_HAS_CPU_MIPS64_R1
>> 524 select SYS_HAS_CPU_MIPS64_R2
>> 525 select SYS_HAS_CPU_MIPS64_R6
>> 526 select SYS_HAS_CPU_NEVADA
>> 527 select SYS_HAS_CPU_RM7000
>> 528 select SYS_SUPPORTS_32BIT_KERNEL
>> 529 select SYS_SUPPORTS_64BIT_KERNEL
>> 530 select SYS_SUPPORTS_BIG_ENDIAN
>> 531 select SYS_SUPPORTS_HIGHMEM
>> 532 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 533 select SYS_SUPPORTS_MICROMIPS
>> 534 select SYS_SUPPORTS_MIPS_CMP
>> 535 select SYS_SUPPORTS_MIPS_CPS
>> 536 select SYS_SUPPORTS_MIPS16
>> 537 select SYS_SUPPORTS_MULTITHREADING
>> 538 select SYS_SUPPORTS_SMARTMIPS
>> 539 select SYS_SUPPORTS_ZBOOT
>> 540 select SYS_SUPPORTS_RELOCATABLE
>> 541 select USE_OF
>> 542 select LIBFDT
>> 543 select ZONE_DMA32 if 64BIT
>> 544 select BUILTIN_DTB
>> 545 select LIBFDT
>> 546 help
>> 547 This enables support for the MIPS Technologies Malta evaluation
>> 548 board.
>> 549
>> 550 config MACH_PIC32
>> 551 bool "Microchip PIC32 Family"
>> 552 help
>> 553 This enables support for the Microchip PIC32 family of platforms.
>> 554
>> 555 Microchip PIC32 is a family of general-purpose 32 bit MIPS core
>> 556 microcontrollers.
>> 557
>> 558 config NEC_MARKEINS
>> 559 bool "NEC EMMA2RH Mark-eins board"
>> 560 select SOC_EMMA2RH
>> 561 select HW_HAS_PCI
>> 562 help
>> 563 This enables support for the NEC Electronics Mark-eins boards.
>> 564
>> 565 config MACH_VR41XX
>> 566 bool "NEC VR4100 series based machines"
>> 567 select CEVT_R4K
>> 568 select CSRC_R4K
>> 569 select SYS_HAS_CPU_VR41XX
>> 570 select SYS_SUPPORTS_MIPS16
>> 571 select GPIOLIB
>> 572
>> 573 config NXP_STB220
>> 574 bool "NXP STB220 board"
>> 575 select SOC_PNX833X
>> 576 help
>> 577 Support for NXP Semiconductors STB220 Development Board.
>> 578
>> 579 config NXP_STB225
>> 580 bool "NXP 225 board"
>> 581 select SOC_PNX833X
>> 582 select SOC_PNX8335
>> 583 help
>> 584 Support for NXP Semiconductors STB225 Development Board.
>> 585
>> 586 config PMC_MSP
>> 587 bool "PMC-Sierra MSP chipsets"
>> 588 select CEVT_R4K
>> 589 select CSRC_R4K
>> 590 select DMA_NONCOHERENT
>> 591 select SWAP_IO_SPACE
>> 592 select NO_EXCEPT_FILL
>> 593 select BOOT_RAW
>> 594 select SYS_HAS_CPU_MIPS32_R1
>> 595 select SYS_HAS_CPU_MIPS32_R2
>> 596 select SYS_SUPPORTS_32BIT_KERNEL
>> 597 select SYS_SUPPORTS_BIG_ENDIAN
>> 598 select SYS_SUPPORTS_MIPS16
>> 599 select IRQ_MIPS_CPU
>> 600 select SERIAL_8250
>> 601 select SERIAL_8250_CONSOLE
>> 602 select USB_EHCI_BIG_ENDIAN_MMIO
>> 603 select USB_EHCI_BIG_ENDIAN_DESC
>> 604 help
>> 605 This adds support for the PMC-Sierra family of Multi-Service
>> 606 Processor System-On-A-Chips. These parts include a number
>> 607 of integrated peripherals, interfaces and DSPs in addition to
>> 608 a variety of MIPS cores.
>> 609
>> 610 config RALINK
>> 611 bool "Ralink based machines"
>> 612 select CEVT_R4K
>> 613 select CSRC_R4K
>> 614 select BOOT_RAW
>> 615 select DMA_NONCOHERENT
>> 616 select IRQ_MIPS_CPU
>> 617 select USE_OF
>> 618 select SYS_HAS_CPU_MIPS32_R1
>> 619 select SYS_HAS_CPU_MIPS32_R2
>> 620 select SYS_SUPPORTS_32BIT_KERNEL
>> 621 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 622 select SYS_SUPPORTS_MIPS16
>> 623 select SYS_HAS_EARLY_PRINTK
>> 624 select CLKDEV_LOOKUP
>> 625 select ARCH_HAS_RESET_CONTROLLER
>> 626 select RESET_CONTROLLER
>> 627
>> 628 config SGI_IP22
>> 629 bool "SGI IP22 (Indy/Indigo2)"
>> 630 select FW_ARC
>> 631 select FW_ARC32
>> 632 select BOOT_ELF32
>> 633 select CEVT_R4K
>> 634 select CSRC_R4K
>> 635 select DEFAULT_SGI_PARTITION
>> 636 select DMA_NONCOHERENT
>> 637 select HW_HAS_EISA
>> 638 select I8253
>> 639 select I8259
>> 640 select IP22_CPU_SCACHE
>> 641 select IRQ_MIPS_CPU
>> 642 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 643 select SGI_HAS_I8042
>> 644 select SGI_HAS_INDYDOG
>> 645 select SGI_HAS_HAL2
>> 646 select SGI_HAS_SEEQ
>> 647 select SGI_HAS_WD93
>> 648 select SGI_HAS_ZILOG
>> 649 select SWAP_IO_SPACE
>> 650 select SYS_HAS_CPU_R4X00
>> 651 select SYS_HAS_CPU_R5000
316 # 652 #
317 # Please keep this list sorted alphabe !! 653 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 654 # memory during early boot on some machines.
318 # 655 #
>> 656 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 657 # for a more details discussion
>> 658 #
>> 659 # select SYS_HAS_EARLY_PRINTK
>> 660 select SYS_SUPPORTS_32BIT_KERNEL
>> 661 select SYS_SUPPORTS_64BIT_KERNEL
>> 662 select SYS_SUPPORTS_BIG_ENDIAN
>> 663 select MIPS_L1_CACHE_SHIFT_7
>> 664 help
>> 665 This are the SGI Indy, Challenge S and Indigo2, as well as certain
>> 666 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
>> 667 that runs on these, say Y here.
>> 668
>> 669 config SGI_IP27
>> 670 bool "SGI IP27 (Origin200/2000)"
>> 671 select FW_ARC
>> 672 select FW_ARC64
>> 673 select BOOT_ELF64
>> 674 select DEFAULT_SGI_PARTITION
>> 675 select DMA_COHERENT
>> 676 select SYS_HAS_EARLY_PRINTK
>> 677 select HW_HAS_PCI
>> 678 select NR_CPUS_DEFAULT_64
>> 679 select SYS_HAS_CPU_R10000
>> 680 select SYS_SUPPORTS_64BIT_KERNEL
>> 681 select SYS_SUPPORTS_BIG_ENDIAN
>> 682 select SYS_SUPPORTS_NUMA
>> 683 select SYS_SUPPORTS_SMP
>> 684 select MIPS_L1_CACHE_SHIFT_7
>> 685 help
>> 686 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
>> 687 workstations. To compile a Linux kernel that runs on these, say Y
>> 688 here.
>> 689
>> 690 config SGI_IP28
>> 691 bool "SGI IP28 (Indigo2 R10k)"
>> 692 select FW_ARC
>> 693 select FW_ARC64
>> 694 select BOOT_ELF64
>> 695 select CEVT_R4K
>> 696 select CSRC_R4K
>> 697 select DEFAULT_SGI_PARTITION
>> 698 select DMA_NONCOHERENT
>> 699 select GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 700 select IRQ_MIPS_CPU
>> 701 select HW_HAS_EISA
>> 702 select I8253
>> 703 select I8259
>> 704 select SGI_HAS_I8042
>> 705 select SGI_HAS_INDYDOG
>> 706 select SGI_HAS_HAL2
>> 707 select SGI_HAS_SEEQ
>> 708 select SGI_HAS_WD93
>> 709 select SGI_HAS_ZILOG
>> 710 select SWAP_IO_SPACE
>> 711 select SYS_HAS_CPU_R10000
>> 712 #
>> 713 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 714 # memory during early boot on some machines.
>> 715 #
>> 716 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 717 # for a more details discussion
>> 718 #
>> 719 # select SYS_HAS_EARLY_PRINTK
>> 720 select SYS_SUPPORTS_64BIT_KERNEL
>> 721 select SYS_SUPPORTS_BIG_ENDIAN
>> 722 select MIPS_L1_CACHE_SHIFT_7
>> 723 help
>> 724 This is the SGI Indigo2 with R10000 processor. To compile a Linux
>> 725 kernel that runs on these, say Y here.
>> 726
>> 727 config SGI_IP32
>> 728 bool "SGI IP32 (O2)"
>> 729 select FW_ARC
>> 730 select FW_ARC32
>> 731 select BOOT_ELF32
>> 732 select CEVT_R4K
>> 733 select CSRC_R4K
>> 734 select DMA_NONCOHERENT
>> 735 select HW_HAS_PCI
>> 736 select IRQ_MIPS_CPU
>> 737 select R5000_CPU_SCACHE
>> 738 select RM7000_CPU_SCACHE
>> 739 select SYS_HAS_CPU_R5000
>> 740 select SYS_HAS_CPU_R10000 if BROKEN
>> 741 select SYS_HAS_CPU_RM7000
>> 742 select SYS_HAS_CPU_NEVADA
>> 743 select SYS_SUPPORTS_64BIT_KERNEL
>> 744 select SYS_SUPPORTS_BIG_ENDIAN
>> 745 help
>> 746 If you want this kernel to run on SGI O2 workstation, say Y here.
>> 747
>> 748 config SIBYTE_CRHINE
>> 749 bool "Sibyte BCM91120C-CRhine"
>> 750 select BOOT_ELF32
>> 751 select DMA_COHERENT
>> 752 select SIBYTE_BCM1120
>> 753 select SWAP_IO_SPACE
>> 754 select SYS_HAS_CPU_SB1
>> 755 select SYS_SUPPORTS_BIG_ENDIAN
>> 756 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 757
>> 758 config SIBYTE_CARMEL
>> 759 bool "Sibyte BCM91120x-Carmel"
>> 760 select BOOT_ELF32
>> 761 select DMA_COHERENT
>> 762 select SIBYTE_BCM1120
>> 763 select SWAP_IO_SPACE
>> 764 select SYS_HAS_CPU_SB1
>> 765 select SYS_SUPPORTS_BIG_ENDIAN
>> 766 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 767
>> 768 config SIBYTE_CRHONE
>> 769 bool "Sibyte BCM91125C-CRhone"
>> 770 select BOOT_ELF32
>> 771 select DMA_COHERENT
>> 772 select SIBYTE_BCM1125
>> 773 select SWAP_IO_SPACE
>> 774 select SYS_HAS_CPU_SB1
>> 775 select SYS_SUPPORTS_BIG_ENDIAN
>> 776 select SYS_SUPPORTS_HIGHMEM
>> 777 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 778
>> 779 config SIBYTE_RHONE
>> 780 bool "Sibyte BCM91125E-Rhone"
>> 781 select BOOT_ELF32
>> 782 select DMA_COHERENT
>> 783 select SIBYTE_BCM1125H
>> 784 select SWAP_IO_SPACE
>> 785 select SYS_HAS_CPU_SB1
>> 786 select SYS_SUPPORTS_BIG_ENDIAN
>> 787 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 788
>> 789 config SIBYTE_SWARM
>> 790 bool "Sibyte BCM91250A-SWARM"
>> 791 select BOOT_ELF32
>> 792 select DMA_COHERENT
>> 793 select HAVE_PATA_PLATFORM
>> 794 select SIBYTE_SB1250
>> 795 select SWAP_IO_SPACE
>> 796 select SYS_HAS_CPU_SB1
>> 797 select SYS_SUPPORTS_BIG_ENDIAN
>> 798 select SYS_SUPPORTS_HIGHMEM
>> 799 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 800 select ZONE_DMA32 if 64BIT
>> 801
>> 802 config SIBYTE_LITTLESUR
>> 803 bool "Sibyte BCM91250C2-LittleSur"
>> 804 select BOOT_ELF32
>> 805 select DMA_COHERENT
>> 806 select HAVE_PATA_PLATFORM
>> 807 select SIBYTE_SB1250
>> 808 select SWAP_IO_SPACE
>> 809 select SYS_HAS_CPU_SB1
>> 810 select SYS_SUPPORTS_BIG_ENDIAN
>> 811 select SYS_SUPPORTS_HIGHMEM
>> 812 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 813
>> 814 config SIBYTE_SENTOSA
>> 815 bool "Sibyte BCM91250E-Sentosa"
>> 816 select BOOT_ELF32
>> 817 select DMA_COHERENT
>> 818 select SIBYTE_SB1250
>> 819 select SWAP_IO_SPACE
>> 820 select SYS_HAS_CPU_SB1
>> 821 select SYS_SUPPORTS_BIG_ENDIAN
>> 822 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 823
>> 824 config SIBYTE_BIGSUR
>> 825 bool "Sibyte BCM91480B-BigSur"
>> 826 select BOOT_ELF32
>> 827 select DMA_COHERENT
>> 828 select NR_CPUS_DEFAULT_4
>> 829 select SIBYTE_BCM1x80
>> 830 select SWAP_IO_SPACE
>> 831 select SYS_HAS_CPU_SB1
>> 832 select SYS_SUPPORTS_BIG_ENDIAN
>> 833 select SYS_SUPPORTS_HIGHMEM
>> 834 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 835 select ZONE_DMA32 if 64BIT
>> 836
>> 837 config SNI_RM
>> 838 bool "SNI RM200/300/400"
>> 839 select FW_ARC if CPU_LITTLE_ENDIAN
>> 840 select FW_ARC32 if CPU_LITTLE_ENDIAN
>> 841 select FW_SNIPROM if CPU_BIG_ENDIAN
>> 842 select ARCH_MAY_HAVE_PC_FDC
>> 843 select BOOT_ELF32
>> 844 select CEVT_R4K
>> 845 select CSRC_R4K
>> 846 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
>> 847 select DMA_NONCOHERENT
>> 848 select GENERIC_ISA_DMA
>> 849 select HAVE_PCSPKR_PLATFORM
>> 850 select HW_HAS_EISA
>> 851 select HW_HAS_PCI
>> 852 select IRQ_MIPS_CPU
>> 853 select I8253
>> 854 select I8259
>> 855 select ISA
>> 856 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
>> 857 select SYS_HAS_CPU_R4X00
>> 858 select SYS_HAS_CPU_R5000
>> 859 select SYS_HAS_CPU_R10000
>> 860 select R5000_CPU_SCACHE
>> 861 select SYS_HAS_EARLY_PRINTK
>> 862 select SYS_SUPPORTS_32BIT_KERNEL
>> 863 select SYS_SUPPORTS_64BIT_KERNEL
>> 864 select SYS_SUPPORTS_BIG_ENDIAN
>> 865 select SYS_SUPPORTS_HIGHMEM
>> 866 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 867 help
>> 868 The SNI RM200/300/400 are MIPS-based machines manufactured by
>> 869 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
>> 870 Technology and now in turn merged with Fujitsu. Say Y here to
>> 871 support this machine type.
>> 872
>> 873 config MACH_TX39XX
>> 874 bool "Toshiba TX39 series based machines"
>> 875
>> 876 config MACH_TX49XX
>> 877 bool "Toshiba TX49 series based machines"
>> 878
>> 879 config MIKROTIK_RB532
>> 880 bool "Mikrotik RB532 boards"
>> 881 select CEVT_R4K
>> 882 select CSRC_R4K
>> 883 select DMA_NONCOHERENT
>> 884 select HW_HAS_PCI
>> 885 select IRQ_MIPS_CPU
>> 886 select SYS_HAS_CPU_MIPS32_R1
>> 887 select SYS_SUPPORTS_32BIT_KERNEL
>> 888 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 889 select SWAP_IO_SPACE
>> 890 select BOOT_RAW
>> 891 select GPIOLIB
>> 892 select MIPS_L1_CACHE_SHIFT_4
>> 893 help
>> 894 Support the Mikrotik(tm) RouterBoard 532 series,
>> 895 based on the IDT RC32434 SoC.
>> 896
>> 897 config CAVIUM_OCTEON_SOC
>> 898 bool "Cavium Networks Octeon SoC based boards"
>> 899 select CEVT_R4K
>> 900 select ARCH_PHYS_ADDR_T_64BIT
>> 901 select DMA_COHERENT
>> 902 select SYS_SUPPORTS_64BIT_KERNEL
>> 903 select SYS_SUPPORTS_BIG_ENDIAN
>> 904 select EDAC_SUPPORT
>> 905 select EDAC_ATOMIC_SCRUB
>> 906 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 907 select SYS_SUPPORTS_HOTPLUG_CPU if CPU_BIG_ENDIAN
>> 908 select SYS_HAS_EARLY_PRINTK
>> 909 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 910 select HW_HAS_PCI
>> 911 select ZONE_DMA32
>> 912 select HOLES_IN_ZONE
>> 913 select GPIOLIB
>> 914 select LIBFDT
>> 915 select USE_OF
>> 916 select ARCH_SPARSEMEM_ENABLE
>> 917 select SYS_SUPPORTS_SMP
>> 918 select NR_CPUS_DEFAULT_16
>> 919 select BUILTIN_DTB
>> 920 select MTD_COMPLEX_MAPPINGS
>> 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 ARCH_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 ARCH_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
319 1011
320 config PPC_BARRIER_NOSPEC !! 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 source "arch/mips/xilfpga/Kconfig"
>> 1037
>> 1038 endmenu
>> 1039
>> 1040 config RWSEM_GENERIC_SPINLOCK
321 bool 1041 bool
322 default y 1042 default y
323 depends on PPC_BOOK3S_64 || PPC_E500 <<
324 1043
325 config PPC_HAS_LBARX_LHARX !! 1044 config RWSEM_XCHGADD_ALGORITHM
326 bool 1045 bool
327 1046
328 config EARLY_PRINTK !! 1047 config GENERIC_HWEIGHT
329 bool 1048 bool
330 default y 1049 default y
331 1050
332 config PANIC_TIMEOUT !! 1051 config GENERIC_CALIBRATE_DELAY
333 int !! 1052 bool
334 default 180 !! 1053 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 1054
343 config SCHED_OMIT_FRAME_POINTER 1055 config SCHED_OMIT_FRAME_POINTER
344 bool 1056 bool
345 default y 1057 default y
346 1058
>> 1059 #
>> 1060 # Select some configuration options automatically based on user selections.
>> 1061 #
>> 1062 config FW_ARC
>> 1063 bool
>> 1064
347 config ARCH_MAY_HAVE_PC_FDC 1065 config ARCH_MAY_HAVE_PC_FDC
348 bool 1066 bool
349 default PCI <<
350 1067
351 config PPC_UDBG_16550 !! 1068 config BOOT_RAW
352 bool 1069 bool
353 1070
354 config GENERIC_TBSYNC !! 1071 config CEVT_BCM1480
355 bool 1072 bool
356 default y if PPC32 && SMP <<
357 1073
358 config AUDIT_ARCH !! 1074 config CEVT_DS1287
359 bool 1075 bool
360 default y <<
361 1076
362 config GENERIC_BUG !! 1077 config CEVT_GT641XX
>> 1078 bool
>> 1079
>> 1080 config CEVT_R4K
>> 1081 bool
>> 1082
>> 1083 config CEVT_SB1250
>> 1084 bool
>> 1085
>> 1086 config CEVT_TXX9
>> 1087 bool
>> 1088
>> 1089 config CSRC_BCM1480
>> 1090 bool
>> 1091
>> 1092 config CSRC_IOASIC
>> 1093 bool
>> 1094
>> 1095 config CSRC_R4K
>> 1096 bool
>> 1097
>> 1098 config CSRC_SB1250
>> 1099 bool
>> 1100
>> 1101 config MIPS_CLOCK_VSYSCALL
>> 1102 def_bool CSRC_R4K || CLKSRC_MIPS_GIC
>> 1103
>> 1104 config GPIO_TXX9
>> 1105 select GPIOLIB
>> 1106 bool
>> 1107
>> 1108 config FW_CFE
363 bool 1109 bool
364 default y <<
365 depends on BUG <<
366 1110
367 config GENERIC_BUG_RELATIVE_POINTERS !! 1111 config ARCH_DMA_ADDR_T_64BIT
>> 1112 def_bool (HIGHMEM && ARCH_PHYS_ADDR_T_64BIT) || 64BIT
>> 1113
>> 1114 config ARCH_SUPPORTS_UPROBES
>> 1115 bool
>> 1116
>> 1117 config DMA_MAYBE_COHERENT
>> 1118 select DMA_NONCOHERENT
>> 1119 bool
>> 1120
>> 1121 config DMA_PERDEV_COHERENT
>> 1122 bool
>> 1123 select DMA_MAYBE_COHERENT
>> 1124
>> 1125 config DMA_COHERENT
>> 1126 bool
>> 1127
>> 1128 config DMA_NONCOHERENT
>> 1129 bool
>> 1130 select NEED_DMA_MAP_STATE
>> 1131
>> 1132 config NEED_DMA_MAP_STATE
>> 1133 bool
>> 1134
>> 1135 config SYS_HAS_EARLY_PRINTK
>> 1136 bool
>> 1137
>> 1138 config SYS_SUPPORTS_HOTPLUG_CPU
>> 1139 bool
>> 1140
>> 1141 config MIPS_BONITO64
>> 1142 bool
>> 1143
>> 1144 config MIPS_MSC
>> 1145 bool
>> 1146
>> 1147 config MIPS_NILE4
>> 1148 bool
>> 1149
>> 1150 config SYNC_R4K
>> 1151 bool
>> 1152
>> 1153 config MIPS_MACHINE
>> 1154 def_bool n
>> 1155
>> 1156 config NO_IOPORT_MAP
>> 1157 def_bool n
>> 1158
>> 1159 config GENERIC_CSUM
>> 1160 bool
>> 1161
>> 1162 config GENERIC_ISA_DMA
>> 1163 bool
>> 1164 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
>> 1165 select ISA_DMA_API
>> 1166
>> 1167 config GENERIC_ISA_DMA_SUPPORT_BROKEN
>> 1168 bool
>> 1169 select GENERIC_ISA_DMA
>> 1170
>> 1171 config ISA_DMA_API
>> 1172 bool
>> 1173
>> 1174 config HOLES_IN_ZONE
>> 1175 bool
>> 1176
>> 1177 config SYS_SUPPORTS_RELOCATABLE
>> 1178 bool
>> 1179 help
>> 1180 Selected if the platform supports relocating the kernel.
>> 1181 The platform must provide plat_get_fdt() if it selects CONFIG_USE_OF
>> 1182 to allow access to command line and entropy sources.
>> 1183
>> 1184 config MIPS_CBPF_JIT
>> 1185 def_bool y
>> 1186 depends on BPF_JIT && HAVE_CBPF_JIT
>> 1187
>> 1188 config MIPS_EBPF_JIT
368 def_bool y 1189 def_bool y
369 depends on GENERIC_BUG !! 1190 depends on BPF_JIT && HAVE_EBPF_JIT
>> 1191
>> 1192
>> 1193 #
>> 1194 # Endianness selection. Sufficiently obscure so many users don't know what to
>> 1195 # answer,so we try hard to limit the available choices. Also the use of a
>> 1196 # choice statement should be more obvious to the user.
>> 1197 #
>> 1198 choice
>> 1199 prompt "Endianness selection"
>> 1200 help
>> 1201 Some MIPS machines can be configured for either little or big endian
>> 1202 byte order. These modes require different kernels and a different
>> 1203 Linux distribution. In general there is one preferred byteorder for a
>> 1204 particular system but some systems are just as commonly used in the
>> 1205 one or the other endianness.
>> 1206
>> 1207 config CPU_BIG_ENDIAN
>> 1208 bool "Big endian"
>> 1209 depends on SYS_SUPPORTS_BIG_ENDIAN
>> 1210
>> 1211 config CPU_LITTLE_ENDIAN
>> 1212 bool "Little endian"
>> 1213 depends on SYS_SUPPORTS_LITTLE_ENDIAN
>> 1214
>> 1215 endchoice
>> 1216
>> 1217 config EXPORT_UASM
>> 1218 bool
370 1219
371 config SYS_SUPPORTS_APM_EMULATION 1220 config SYS_SUPPORTS_APM_EMULATION
372 default y if PMAC_APM_EMU <<
373 bool 1221 bool
374 1222
375 config EPAPR_BOOT !! 1223 config SYS_SUPPORTS_BIG_ENDIAN
376 bool 1224 bool
377 help <<
378 Used to allow a board to specify it <<
379 1225
380 config DEFAULT_UIMAGE !! 1226 config SYS_SUPPORTS_LITTLE_ENDIAN
381 bool 1227 bool
382 help <<
383 Used to allow a board to specify it <<
384 1228
385 config ARCH_HIBERNATION_POSSIBLE !! 1229 config SYS_SUPPORTS_HUGETLBFS
386 bool 1230 bool
>> 1231 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
387 default y 1232 default y
388 1233
389 config ARCH_SUSPEND_POSSIBLE !! 1234 config MIPS_HUGE_TLB_SUPPORT
390 def_bool y !! 1235 def_bool HUGETLB_PAGE || TRANSPARENT_HUGEPAGE
391 depends on ADB_PMU || PPC_EFIKA || PPC <<
392 (PPC_85xx && !PPC_E500MC) | <<
393 || 44x <<
394 1236
395 config ARCH_SUSPEND_NONZERO_CPU !! 1237 config IRQ_CPU_RM7K
396 def_bool y !! 1238 bool
397 depends on PPC_POWERNV || PPC_PSERIES <<
398 1239
399 config ARCH_HAS_ADD_PAGES !! 1240 config IRQ_MSP_SLP
400 def_bool y !! 1241 bool
401 depends on ARCH_ENABLE_MEMORY_HOTPLUG <<
402 1242
403 config PPC_DCR_NATIVE !! 1243 config IRQ_MSP_CIC
404 bool 1244 bool
405 1245
406 config PPC_DCR_MMIO !! 1246 config IRQ_TXX9
407 bool 1247 bool
408 1248
409 config PPC_DCR !! 1249 config IRQ_GT641XX
410 bool 1250 bool
411 depends on PPC_DCR_NATIVE || PPC_DCR_M !! 1251
>> 1252 config PCI_GT64XXX_PCI0
>> 1253 bool
>> 1254
>> 1255 config NO_EXCEPT_FILL
>> 1256 bool
>> 1257
>> 1258 config SOC_EMMA2RH
>> 1259 bool
>> 1260 select CEVT_R4K
>> 1261 select CSRC_R4K
>> 1262 select DMA_NONCOHERENT
>> 1263 select IRQ_MIPS_CPU
>> 1264 select SWAP_IO_SPACE
>> 1265 select SYS_HAS_CPU_R5500
>> 1266 select SYS_SUPPORTS_32BIT_KERNEL
>> 1267 select SYS_SUPPORTS_64BIT_KERNEL
>> 1268 select SYS_SUPPORTS_BIG_ENDIAN
>> 1269
>> 1270 config SOC_PNX833X
>> 1271 bool
>> 1272 select CEVT_R4K
>> 1273 select CSRC_R4K
>> 1274 select IRQ_MIPS_CPU
>> 1275 select DMA_NONCOHERENT
>> 1276 select SYS_HAS_CPU_MIPS32_R2
>> 1277 select SYS_SUPPORTS_32BIT_KERNEL
>> 1278 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 1279 select SYS_SUPPORTS_BIG_ENDIAN
>> 1280 select SYS_SUPPORTS_MIPS16
>> 1281 select CPU_MIPSR2_IRQ_VI
>> 1282
>> 1283 config SOC_PNX8335
>> 1284 bool
>> 1285 select SOC_PNX833X
>> 1286
>> 1287 config MIPS_SPRAM
>> 1288 bool
>> 1289
>> 1290 config SWAP_IO_SPACE
>> 1291 bool
>> 1292
>> 1293 config SGI_HAS_INDYDOG
>> 1294 bool
>> 1295
>> 1296 config SGI_HAS_HAL2
>> 1297 bool
>> 1298
>> 1299 config SGI_HAS_SEEQ
>> 1300 bool
>> 1301
>> 1302 config SGI_HAS_WD93
>> 1303 bool
>> 1304
>> 1305 config SGI_HAS_ZILOG
>> 1306 bool
>> 1307
>> 1308 config SGI_HAS_I8042
>> 1309 bool
>> 1310
>> 1311 config DEFAULT_SGI_PARTITION
>> 1312 bool
>> 1313
>> 1314 config FW_ARC32
>> 1315 bool
>> 1316
>> 1317 config FW_SNIPROM
>> 1318 bool
>> 1319
>> 1320 config BOOT_ELF32
>> 1321 bool
>> 1322
>> 1323 config MIPS_L1_CACHE_SHIFT_4
>> 1324 bool
>> 1325
>> 1326 config MIPS_L1_CACHE_SHIFT_5
>> 1327 bool
>> 1328
>> 1329 config MIPS_L1_CACHE_SHIFT_6
>> 1330 bool
>> 1331
>> 1332 config MIPS_L1_CACHE_SHIFT_7
>> 1333 bool
>> 1334
>> 1335 config MIPS_L1_CACHE_SHIFT
>> 1336 int
>> 1337 default "7" if MIPS_L1_CACHE_SHIFT_7
>> 1338 default "6" if MIPS_L1_CACHE_SHIFT_6
>> 1339 default "5" if MIPS_L1_CACHE_SHIFT_5
>> 1340 default "4" if MIPS_L1_CACHE_SHIFT_4
>> 1341 default "5"
>> 1342
>> 1343 config HAVE_STD_PC_SERIAL_PORT
>> 1344 bool
>> 1345
>> 1346 config ARC_CONSOLE
>> 1347 bool "ARC console support"
>> 1348 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
>> 1349
>> 1350 config ARC_MEMORY
>> 1351 bool
>> 1352 depends on MACH_JAZZ || SNI_RM || SGI_IP32
412 default y 1353 default y
413 1354
414 config PPC_PCI_OF_BUS_MAP !! 1355 config ARC_PROMLIB
415 bool "Use pci_to_OF_bus_map (deprecate !! 1356 bool
416 depends on PPC32 !! 1357 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
417 depends on PPC_PMAC || PPC_CHRP !! 1358 default y
>> 1359
>> 1360 config FW_ARC64
>> 1361 bool
>> 1362
>> 1363 config BOOT_ELF64
>> 1364 bool
>> 1365
>> 1366 menu "CPU selection"
>> 1367
>> 1368 choice
>> 1369 prompt "CPU type"
>> 1370 default CPU_R4X00
>> 1371
>> 1372 config CPU_LOONGSON3
>> 1373 bool "Loongson 3 CPU"
>> 1374 depends on SYS_HAS_CPU_LOONGSON3
>> 1375 select CPU_SUPPORTS_64BIT_KERNEL
>> 1376 select CPU_SUPPORTS_HIGHMEM
>> 1377 select CPU_SUPPORTS_HUGEPAGES
>> 1378 select WEAK_ORDERING
>> 1379 select WEAK_REORDERING_BEYOND_LLSC
>> 1380 select MIPS_PGD_C0_CONTEXT
>> 1381 select MIPS_L1_CACHE_SHIFT_6
>> 1382 select GPIOLIB
418 help 1383 help
419 This option uses pci_to_OF_bus_map t !! 1384 The Loongson 3 processor implements the MIPS64R2 instruction
420 restricts the system to only having !! 1385 set with many extensions.
421 the "pci-OF-bus-map" property to be <<
422 1386
423 If unsure, say "N". !! 1387 config LOONGSON3_ENHANCEMENT
>> 1388 bool "New Loongson 3 CPU Enhancements"
>> 1389 default n
>> 1390 select CPU_MIPSR2
>> 1391 select CPU_HAS_PREFETCH
>> 1392 depends on CPU_LOONGSON3
>> 1393 help
>> 1394 New Loongson 3 CPU (since Loongson-3A R2, as opposed to Loongson-3A
>> 1395 R1, Loongson-3B R1 and Loongson-3B R2) has many enhancements, such as
>> 1396 FTLB, L1-VCache, EI/DI/Wait/Prefetch instruction, DSP/DSPv2 ASE, User
>> 1397 Local register, Read-Inhibit/Execute-Inhibit, SFB (Store Fill Buffer),
>> 1398 Fast TLB refill support, etc.
>> 1399
>> 1400 This option enable those enhancements which are not probed at run
>> 1401 time. If you want a generic kernel to run on all Loongson 3 machines,
>> 1402 please say 'N' here. If you want a high-performance kernel to run on
>> 1403 new Loongson 3 machines only, please say 'Y' here.
>> 1404
>> 1405 config CPU_LOONGSON2E
>> 1406 bool "Loongson 2E"
>> 1407 depends on SYS_HAS_CPU_LOONGSON2E
>> 1408 select CPU_LOONGSON2
>> 1409 help
>> 1410 The Loongson 2E processor implements the MIPS III instruction set
>> 1411 with many extensions.
>> 1412
>> 1413 It has an internal FPGA northbridge, which is compatible to
>> 1414 bonito64.
>> 1415
>> 1416 config CPU_LOONGSON2F
>> 1417 bool "Loongson 2F"
>> 1418 depends on SYS_HAS_CPU_LOONGSON2F
>> 1419 select CPU_LOONGSON2
>> 1420 select GPIOLIB
>> 1421 help
>> 1422 The Loongson 2F processor implements the MIPS III instruction set
>> 1423 with many extensions.
>> 1424
>> 1425 Loongson2F have built-in DDR2 and PCIX controller. The PCIX controller
>> 1426 have a similar programming interface with FPGA northbridge used in
>> 1427 Loongson2E.
>> 1428
>> 1429 config CPU_LOONGSON1B
>> 1430 bool "Loongson 1B"
>> 1431 depends on SYS_HAS_CPU_LOONGSON1B
>> 1432 select CPU_LOONGSON1
>> 1433 select LEDS_GPIO_REGISTER
>> 1434 help
>> 1435 The Loongson 1B is a 32-bit SoC, which implements the MIPS32
>> 1436 release 2 instruction set.
>> 1437
>> 1438 config CPU_LOONGSON1C
>> 1439 bool "Loongson 1C"
>> 1440 depends on SYS_HAS_CPU_LOONGSON1C
>> 1441 select CPU_LOONGSON1
>> 1442 select LEDS_GPIO_REGISTER
>> 1443 help
>> 1444 The Loongson 1C is a 32-bit SoC, which implements the MIPS32
>> 1445 release 2 instruction set.
>> 1446
>> 1447 config CPU_MIPS32_R1
>> 1448 bool "MIPS32 Release 1"
>> 1449 depends on SYS_HAS_CPU_MIPS32_R1
>> 1450 select CPU_HAS_PREFETCH
>> 1451 select CPU_SUPPORTS_32BIT_KERNEL
>> 1452 select CPU_SUPPORTS_HIGHMEM
>> 1453 help
>> 1454 Choose this option to build a kernel for release 1 or later of the
>> 1455 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1456 MIPS processor are based on a MIPS32 processor. If you know the
>> 1457 specific type of processor in your system, choose those that one
>> 1458 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1459 Release 2 of the MIPS32 architecture is available since several
>> 1460 years so chances are you even have a MIPS32 Release 2 processor
>> 1461 in which case you should choose CPU_MIPS32_R2 instead for better
>> 1462 performance.
>> 1463
>> 1464 config CPU_MIPS32_R2
>> 1465 bool "MIPS32 Release 2"
>> 1466 depends on SYS_HAS_CPU_MIPS32_R2
>> 1467 select CPU_HAS_PREFETCH
>> 1468 select CPU_SUPPORTS_32BIT_KERNEL
>> 1469 select CPU_SUPPORTS_HIGHMEM
>> 1470 select CPU_SUPPORTS_MSA
>> 1471 select HAVE_KVM
>> 1472 help
>> 1473 Choose this option to build a kernel for release 2 or later of the
>> 1474 MIPS32 architecture. Most modern embedded systems with a 32-bit
>> 1475 MIPS processor are based on a MIPS32 processor. If you know the
>> 1476 specific type of processor in your system, choose those that one
>> 1477 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
>> 1478
>> 1479 config CPU_MIPS32_R6
>> 1480 bool "MIPS32 Release 6"
>> 1481 depends on SYS_HAS_CPU_MIPS32_R6
>> 1482 select CPU_HAS_PREFETCH
>> 1483 select CPU_SUPPORTS_32BIT_KERNEL
>> 1484 select CPU_SUPPORTS_HIGHMEM
>> 1485 select CPU_SUPPORTS_MSA
>> 1486 select GENERIC_CSUM
>> 1487 select HAVE_KVM
>> 1488 select MIPS_O32_FP64_SUPPORT
>> 1489 help
>> 1490 Choose this option to build a kernel for release 6 or later of the
>> 1491 MIPS32 architecture. New MIPS processors, starting with the Warrior
>> 1492 family, are based on a MIPS32r6 processor. If you own an older
>> 1493 processor, you probably need to select MIPS32r1 or MIPS32r2 instead.
>> 1494
>> 1495 config CPU_MIPS64_R1
>> 1496 bool "MIPS64 Release 1"
>> 1497 depends on SYS_HAS_CPU_MIPS64_R1
>> 1498 select CPU_HAS_PREFETCH
>> 1499 select CPU_SUPPORTS_32BIT_KERNEL
>> 1500 select CPU_SUPPORTS_64BIT_KERNEL
>> 1501 select CPU_SUPPORTS_HIGHMEM
>> 1502 select CPU_SUPPORTS_HUGEPAGES
>> 1503 help
>> 1504 Choose this option to build a kernel for release 1 or later of the
>> 1505 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1506 MIPS processor are based on a MIPS64 processor. If you know the
>> 1507 specific type of processor in your system, choose those that one
>> 1508 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1509 Release 2 of the MIPS64 architecture is available since several
>> 1510 years so chances are you even have a MIPS64 Release 2 processor
>> 1511 in which case you should choose CPU_MIPS64_R2 instead for better
>> 1512 performance.
424 1513
425 config PPC_PCI_BUS_NUM_DOMAIN_DEPENDENT !! 1514 config CPU_MIPS64_R2
426 depends on PPC32 !! 1515 bool "MIPS64 Release 2"
427 depends on !PPC_PCI_OF_BUS_MAP !! 1516 depends on SYS_HAS_CPU_MIPS64_R2
428 bool "Assign PCI bus numbers from zero !! 1517 select CPU_HAS_PREFETCH
>> 1518 select CPU_SUPPORTS_32BIT_KERNEL
>> 1519 select CPU_SUPPORTS_64BIT_KERNEL
>> 1520 select CPU_SUPPORTS_HIGHMEM
>> 1521 select CPU_SUPPORTS_HUGEPAGES
>> 1522 select CPU_SUPPORTS_MSA
>> 1523 select HAVE_KVM
>> 1524 help
>> 1525 Choose this option to build a kernel for release 2 or later of the
>> 1526 MIPS64 architecture. Many modern embedded systems with a 64-bit
>> 1527 MIPS processor are based on a MIPS64 processor. If you know the
>> 1528 specific type of processor in your system, choose those that one
>> 1529 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
>> 1530
>> 1531 config CPU_MIPS64_R6
>> 1532 bool "MIPS64 Release 6"
>> 1533 depends on SYS_HAS_CPU_MIPS64_R6
>> 1534 select CPU_HAS_PREFETCH
>> 1535 select CPU_SUPPORTS_32BIT_KERNEL
>> 1536 select CPU_SUPPORTS_64BIT_KERNEL
>> 1537 select CPU_SUPPORTS_HIGHMEM
>> 1538 select CPU_SUPPORTS_MSA
>> 1539 select GENERIC_CSUM
>> 1540 select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
>> 1541 select HAVE_KVM
>> 1542 help
>> 1543 Choose this option to build a kernel for release 6 or later of the
>> 1544 MIPS64 architecture. New MIPS processors, starting with the Warrior
>> 1545 family, are based on a MIPS64r6 processor. If you own an older
>> 1546 processor, you probably need to select MIPS64r1 or MIPS64r2 instead.
>> 1547
>> 1548 config CPU_R3000
>> 1549 bool "R3000"
>> 1550 depends on SYS_HAS_CPU_R3000
>> 1551 select CPU_HAS_WB
>> 1552 select CPU_SUPPORTS_32BIT_KERNEL
>> 1553 select CPU_SUPPORTS_HIGHMEM
>> 1554 help
>> 1555 Please make sure to pick the right CPU type. Linux/MIPS is not
>> 1556 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
>> 1557 *not* work on R4000 machines and vice versa. However, since most
>> 1558 of the supported machines have an R4000 (or similar) CPU, R4x00
>> 1559 might be a safe bet. If the resulting kernel does not work,
>> 1560 try to recompile with R3000.
>> 1561
>> 1562 config CPU_TX39XX
>> 1563 bool "R39XX"
>> 1564 depends on SYS_HAS_CPU_TX39XX
>> 1565 select CPU_SUPPORTS_32BIT_KERNEL
>> 1566
>> 1567 config CPU_VR41XX
>> 1568 bool "R41xx"
>> 1569 depends on SYS_HAS_CPU_VR41XX
>> 1570 select CPU_SUPPORTS_32BIT_KERNEL
>> 1571 select CPU_SUPPORTS_64BIT_KERNEL
>> 1572 help
>> 1573 The options selects support for the NEC VR4100 series of processors.
>> 1574 Only choose this option if you have one of these processors as a
>> 1575 kernel built with this option will not run on any other type of
>> 1576 processor or vice versa.
>> 1577
>> 1578 config CPU_R4300
>> 1579 bool "R4300"
>> 1580 depends on SYS_HAS_CPU_R4300
>> 1581 select CPU_SUPPORTS_32BIT_KERNEL
>> 1582 select CPU_SUPPORTS_64BIT_KERNEL
>> 1583 help
>> 1584 MIPS Technologies R4300-series processors.
>> 1585
>> 1586 config CPU_R4X00
>> 1587 bool "R4x00"
>> 1588 depends on SYS_HAS_CPU_R4X00
>> 1589 select CPU_SUPPORTS_32BIT_KERNEL
>> 1590 select CPU_SUPPORTS_64BIT_KERNEL
>> 1591 select CPU_SUPPORTS_HUGEPAGES
>> 1592 help
>> 1593 MIPS Technologies R4000-series processors other than 4300, including
>> 1594 the R4000, R4400, R4600, and 4700.
>> 1595
>> 1596 config CPU_TX49XX
>> 1597 bool "R49XX"
>> 1598 depends on SYS_HAS_CPU_TX49XX
>> 1599 select CPU_HAS_PREFETCH
>> 1600 select CPU_SUPPORTS_32BIT_KERNEL
>> 1601 select CPU_SUPPORTS_64BIT_KERNEL
>> 1602 select CPU_SUPPORTS_HUGEPAGES
>> 1603
>> 1604 config CPU_R5000
>> 1605 bool "R5000"
>> 1606 depends on SYS_HAS_CPU_R5000
>> 1607 select CPU_SUPPORTS_32BIT_KERNEL
>> 1608 select CPU_SUPPORTS_64BIT_KERNEL
>> 1609 select CPU_SUPPORTS_HUGEPAGES
>> 1610 help
>> 1611 MIPS Technologies R5000-series processors other than the Nevada.
>> 1612
>> 1613 config CPU_R5432
>> 1614 bool "R5432"
>> 1615 depends on SYS_HAS_CPU_R5432
>> 1616 select CPU_SUPPORTS_32BIT_KERNEL
>> 1617 select CPU_SUPPORTS_64BIT_KERNEL
>> 1618 select CPU_SUPPORTS_HUGEPAGES
>> 1619
>> 1620 config CPU_R5500
>> 1621 bool "R5500"
>> 1622 depends on SYS_HAS_CPU_R5500
>> 1623 select CPU_SUPPORTS_32BIT_KERNEL
>> 1624 select CPU_SUPPORTS_64BIT_KERNEL
>> 1625 select CPU_SUPPORTS_HUGEPAGES
>> 1626 help
>> 1627 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
>> 1628 instruction set.
>> 1629
>> 1630 config CPU_R6000
>> 1631 bool "R6000"
>> 1632 depends on SYS_HAS_CPU_R6000
>> 1633 select CPU_SUPPORTS_32BIT_KERNEL
>> 1634 help
>> 1635 MIPS Technologies R6000 and R6000A series processors. Note these
>> 1636 processors are extremely rare and the support for them is incomplete.
>> 1637
>> 1638 config CPU_NEVADA
>> 1639 bool "RM52xx"
>> 1640 depends on SYS_HAS_CPU_NEVADA
>> 1641 select CPU_SUPPORTS_32BIT_KERNEL
>> 1642 select CPU_SUPPORTS_64BIT_KERNEL
>> 1643 select CPU_SUPPORTS_HUGEPAGES
>> 1644 help
>> 1645 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
>> 1646
>> 1647 config CPU_R8000
>> 1648 bool "R8000"
>> 1649 depends on SYS_HAS_CPU_R8000
>> 1650 select CPU_HAS_PREFETCH
>> 1651 select CPU_SUPPORTS_64BIT_KERNEL
>> 1652 help
>> 1653 MIPS Technologies R8000 processors. Note these processors are
>> 1654 uncommon and the support for them is incomplete.
>> 1655
>> 1656 config CPU_R10000
>> 1657 bool "R10000"
>> 1658 depends on SYS_HAS_CPU_R10000
>> 1659 select CPU_HAS_PREFETCH
>> 1660 select CPU_SUPPORTS_32BIT_KERNEL
>> 1661 select CPU_SUPPORTS_64BIT_KERNEL
>> 1662 select CPU_SUPPORTS_HIGHMEM
>> 1663 select CPU_SUPPORTS_HUGEPAGES
>> 1664 help
>> 1665 MIPS Technologies R10000-series processors.
>> 1666
>> 1667 config CPU_RM7000
>> 1668 bool "RM7000"
>> 1669 depends on SYS_HAS_CPU_RM7000
>> 1670 select CPU_HAS_PREFETCH
>> 1671 select CPU_SUPPORTS_32BIT_KERNEL
>> 1672 select CPU_SUPPORTS_64BIT_KERNEL
>> 1673 select CPU_SUPPORTS_HIGHMEM
>> 1674 select CPU_SUPPORTS_HUGEPAGES
>> 1675
>> 1676 config CPU_SB1
>> 1677 bool "SB1"
>> 1678 depends on SYS_HAS_CPU_SB1
>> 1679 select CPU_SUPPORTS_32BIT_KERNEL
>> 1680 select CPU_SUPPORTS_64BIT_KERNEL
>> 1681 select CPU_SUPPORTS_HIGHMEM
>> 1682 select CPU_SUPPORTS_HUGEPAGES
>> 1683 select WEAK_ORDERING
>> 1684
>> 1685 config CPU_CAVIUM_OCTEON
>> 1686 bool "Cavium Octeon processor"
>> 1687 depends on SYS_HAS_CPU_CAVIUM_OCTEON
>> 1688 select CPU_HAS_PREFETCH
>> 1689 select CPU_SUPPORTS_64BIT_KERNEL
>> 1690 select WEAK_ORDERING
>> 1691 select CPU_SUPPORTS_HIGHMEM
>> 1692 select CPU_SUPPORTS_HUGEPAGES
>> 1693 select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1694 select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
>> 1695 select MIPS_L1_CACHE_SHIFT_7
>> 1696 select HAVE_KVM
>> 1697 help
>> 1698 The Cavium Octeon processor is a highly integrated chip containing
>> 1699 many ethernet hardware widgets for networking tasks. The processor
>> 1700 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
>> 1701 Full details can be found at http://www.caviumnetworks.com.
>> 1702
>> 1703 config CPU_BMIPS
>> 1704 bool "Broadcom BMIPS"
>> 1705 depends on SYS_HAS_CPU_BMIPS
>> 1706 select CPU_MIPS32
>> 1707 select CPU_BMIPS32_3300 if SYS_HAS_CPU_BMIPS32_3300
>> 1708 select CPU_BMIPS4350 if SYS_HAS_CPU_BMIPS4350
>> 1709 select CPU_BMIPS4380 if SYS_HAS_CPU_BMIPS4380
>> 1710 select CPU_BMIPS5000 if SYS_HAS_CPU_BMIPS5000
>> 1711 select CPU_SUPPORTS_32BIT_KERNEL
>> 1712 select DMA_NONCOHERENT
>> 1713 select IRQ_MIPS_CPU
>> 1714 select SWAP_IO_SPACE
>> 1715 select WEAK_ORDERING
>> 1716 select CPU_SUPPORTS_HIGHMEM
>> 1717 select CPU_HAS_PREFETCH
>> 1718 select CPU_SUPPORTS_CPUFREQ
>> 1719 select MIPS_EXTERNAL_TIMER
>> 1720 help
>> 1721 Support for BMIPS32/3300/4350/4380 and BMIPS5000 processors.
>> 1722
>> 1723 config CPU_XLR
>> 1724 bool "Netlogic XLR SoC"
>> 1725 depends on SYS_HAS_CPU_XLR
>> 1726 select CPU_SUPPORTS_32BIT_KERNEL
>> 1727 select CPU_SUPPORTS_64BIT_KERNEL
>> 1728 select CPU_SUPPORTS_HIGHMEM
>> 1729 select CPU_SUPPORTS_HUGEPAGES
>> 1730 select WEAK_ORDERING
>> 1731 select WEAK_REORDERING_BEYOND_LLSC
>> 1732 help
>> 1733 Netlogic Microsystems XLR/XLS processors.
>> 1734
>> 1735 config CPU_XLP
>> 1736 bool "Netlogic XLP SoC"
>> 1737 depends on SYS_HAS_CPU_XLP
>> 1738 select CPU_SUPPORTS_32BIT_KERNEL
>> 1739 select CPU_SUPPORTS_64BIT_KERNEL
>> 1740 select CPU_SUPPORTS_HIGHMEM
>> 1741 select WEAK_ORDERING
>> 1742 select WEAK_REORDERING_BEYOND_LLSC
>> 1743 select CPU_HAS_PREFETCH
>> 1744 select CPU_MIPSR2
>> 1745 select CPU_SUPPORTS_HUGEPAGES
>> 1746 select MIPS_ASID_BITS_VARIABLE
>> 1747 help
>> 1748 Netlogic Microsystems XLP processors.
>> 1749 endchoice
>> 1750
>> 1751 config CPU_MIPS32_3_5_FEATURES
>> 1752 bool "MIPS32 Release 3.5 Features"
>> 1753 depends on SYS_HAS_CPU_MIPS32_R3_5
>> 1754 depends on CPU_MIPS32_R2 || CPU_MIPS32_R6
>> 1755 help
>> 1756 Choose this option to build a kernel for release 2 or later of the
>> 1757 MIPS32 architecture including features from the 3.5 release such as
>> 1758 support for Enhanced Virtual Addressing (EVA).
>> 1759
>> 1760 config CPU_MIPS32_3_5_EVA
>> 1761 bool "Enhanced Virtual Addressing (EVA)"
>> 1762 depends on CPU_MIPS32_3_5_FEATURES
>> 1763 select EVA
>> 1764 default y
>> 1765 help
>> 1766 Choose this option if you want to enable the Enhanced Virtual
>> 1767 Addressing (EVA) on your MIPS32 core (such as proAptiv).
>> 1768 One of its primary benefits is an increase in the maximum size
>> 1769 of lowmem (up to 3GB). If unsure, say 'N' here.
>> 1770
>> 1771 config CPU_MIPS32_R5_FEATURES
>> 1772 bool "MIPS32 Release 5 Features"
>> 1773 depends on SYS_HAS_CPU_MIPS32_R5
>> 1774 depends on CPU_MIPS32_R2
>> 1775 help
>> 1776 Choose this option to build a kernel for release 2 or later of the
>> 1777 MIPS32 architecture including features from release 5 such as
>> 1778 support for Extended Physical Addressing (XPA).
>> 1779
>> 1780 config CPU_MIPS32_R5_XPA
>> 1781 bool "Extended Physical Addressing (XPA)"
>> 1782 depends on CPU_MIPS32_R5_FEATURES
>> 1783 depends on !EVA
>> 1784 depends on !PAGE_SIZE_4KB
>> 1785 depends on SYS_SUPPORTS_HIGHMEM
>> 1786 select XPA
>> 1787 select HIGHMEM
>> 1788 select ARCH_PHYS_ADDR_T_64BIT
>> 1789 default n
>> 1790 help
>> 1791 Choose this option if you want to enable the Extended Physical
>> 1792 Addressing (XPA) on your MIPS32 core (such as P5600 series). The
>> 1793 benefit is to increase physical addressing equal to or greater
>> 1794 than 40 bits. Note that this has the side effect of turning on
>> 1795 64-bit addressing which in turn makes the PTEs 64-bit in size.
>> 1796 If unsure, say 'N' here.
>> 1797
>> 1798 if CPU_LOONGSON2F
>> 1799 config CPU_NOP_WORKAROUNDS
>> 1800 bool
>> 1801
>> 1802 config CPU_JUMP_WORKAROUNDS
>> 1803 bool
>> 1804
>> 1805 config CPU_LOONGSON2F_WORKAROUNDS
>> 1806 bool "Loongson 2F Workarounds"
429 default y 1807 default y
>> 1808 select CPU_NOP_WORKAROUNDS
>> 1809 select CPU_JUMP_WORKAROUNDS
430 help 1810 help
431 By default on PPC32 were PCI bus num !! 1811 Loongson 2F01 / 2F02 processors have the NOP & JUMP issues which
432 So system could have only 256 PCI bu !! 1812 require workarounds. Without workarounds the system may hang
433 PCI domains. When this option is ena !! 1813 unexpectedly. For more information please refer to the gas
434 PCI domain dependent and each PCI co !! 1814 -mfix-loongson2f-nop and -mfix-loongson2f-jump options.
435 256 PCI buses, like it is on other L <<
436 1815
437 config PPC_OF_PLATFORM_PCI !! 1816 Loongson 2F03 and later have fixed these issues and no workarounds
>> 1817 are needed. The workarounds have no significant side effect on them
>> 1818 but may decrease the performance of the system so this option should
>> 1819 be disabled unless the kernel is intended to be run on 2F01 or 2F02
>> 1820 systems.
>> 1821
>> 1822 If unsure, please say Y.
>> 1823 endif # CPU_LOONGSON2F
>> 1824
>> 1825 config SYS_SUPPORTS_ZBOOT
438 bool 1826 bool
439 depends on PCI !! 1827 select HAVE_KERNEL_GZIP
440 depends on PPC64 # not supported on 32 !! 1828 select HAVE_KERNEL_BZIP2
>> 1829 select HAVE_KERNEL_LZ4
>> 1830 select HAVE_KERNEL_LZMA
>> 1831 select HAVE_KERNEL_LZO
>> 1832 select HAVE_KERNEL_XZ
441 1833
442 config ARCH_SUPPORTS_UPROBES !! 1834 config SYS_SUPPORTS_ZBOOT_UART16550
443 def_bool y !! 1835 bool
>> 1836 select SYS_SUPPORTS_ZBOOT
444 1837
445 config PPC_ADV_DEBUG_REGS !! 1838 config SYS_SUPPORTS_ZBOOT_UART_PROM
446 bool 1839 bool
447 depends on BOOKE !! 1840 select SYS_SUPPORTS_ZBOOT
448 default y <<
449 1841
450 config PPC_ADV_DEBUG_IACS !! 1842 config CPU_LOONGSON2
451 int !! 1843 bool
452 depends on PPC_ADV_DEBUG_REGS !! 1844 select CPU_SUPPORTS_32BIT_KERNEL
453 default 4 if 44x !! 1845 select CPU_SUPPORTS_64BIT_KERNEL
454 default 2 !! 1846 select CPU_SUPPORTS_HIGHMEM
>> 1847 select CPU_SUPPORTS_HUGEPAGES
455 1848
456 config PPC_ADV_DEBUG_DACS !! 1849 config CPU_LOONGSON1
457 int !! 1850 bool
458 depends on PPC_ADV_DEBUG_REGS !! 1851 select CPU_MIPS32
459 default 2 !! 1852 select CPU_MIPSR2
>> 1853 select CPU_HAS_PREFETCH
>> 1854 select CPU_SUPPORTS_32BIT_KERNEL
>> 1855 select CPU_SUPPORTS_HIGHMEM
>> 1856 select CPU_SUPPORTS_CPUFREQ
460 1857
461 config PPC_ADV_DEBUG_DVCS !! 1858 config CPU_BMIPS32_3300
462 int !! 1859 select SMP_UP if SMP
463 depends on PPC_ADV_DEBUG_REGS !! 1860 bool
464 default 2 if 44x !! 1861
465 default 0 !! 1862 config CPU_BMIPS4350
>> 1863 bool
>> 1864 select SYS_SUPPORTS_SMP
>> 1865 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1866
>> 1867 config CPU_BMIPS4380
>> 1868 bool
>> 1869 select MIPS_L1_CACHE_SHIFT_6
>> 1870 select SYS_SUPPORTS_SMP
>> 1871 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1872 select CPU_HAS_RIXI
>> 1873
>> 1874 config CPU_BMIPS5000
>> 1875 bool
>> 1876 select MIPS_CPU_SCACHE
>> 1877 select MIPS_L1_CACHE_SHIFT_7
>> 1878 select SYS_SUPPORTS_SMP
>> 1879 select SYS_SUPPORTS_HOTPLUG_CPU
>> 1880 select CPU_HAS_RIXI
>> 1881
>> 1882 config SYS_HAS_CPU_LOONGSON3
>> 1883 bool
>> 1884 select CPU_SUPPORTS_CPUFREQ
>> 1885 select CPU_HAS_RIXI
>> 1886
>> 1887 config SYS_HAS_CPU_LOONGSON2E
>> 1888 bool
>> 1889
>> 1890 config SYS_HAS_CPU_LOONGSON2F
>> 1891 bool
>> 1892 select CPU_SUPPORTS_CPUFREQ
>> 1893 select CPU_SUPPORTS_ADDRWINCFG if 64BIT
>> 1894 select CPU_SUPPORTS_UNCACHED_ACCELERATED
>> 1895
>> 1896 config SYS_HAS_CPU_LOONGSON1B
>> 1897 bool
>> 1898
>> 1899 config SYS_HAS_CPU_LOONGSON1C
>> 1900 bool
>> 1901
>> 1902 config SYS_HAS_CPU_MIPS32_R1
>> 1903 bool
>> 1904
>> 1905 config SYS_HAS_CPU_MIPS32_R2
>> 1906 bool
>> 1907
>> 1908 config SYS_HAS_CPU_MIPS32_R3_5
>> 1909 bool
>> 1910
>> 1911 config SYS_HAS_CPU_MIPS32_R5
>> 1912 bool
>> 1913
>> 1914 config SYS_HAS_CPU_MIPS32_R6
>> 1915 bool
>> 1916
>> 1917 config SYS_HAS_CPU_MIPS64_R1
>> 1918 bool
>> 1919
>> 1920 config SYS_HAS_CPU_MIPS64_R2
>> 1921 bool
>> 1922
>> 1923 config SYS_HAS_CPU_MIPS64_R6
>> 1924 bool
>> 1925
>> 1926 config SYS_HAS_CPU_R3000
>> 1927 bool
>> 1928
>> 1929 config SYS_HAS_CPU_TX39XX
>> 1930 bool
>> 1931
>> 1932 config SYS_HAS_CPU_VR41XX
>> 1933 bool
>> 1934
>> 1935 config SYS_HAS_CPU_R4300
>> 1936 bool
>> 1937
>> 1938 config SYS_HAS_CPU_R4X00
>> 1939 bool
>> 1940
>> 1941 config SYS_HAS_CPU_TX49XX
>> 1942 bool
>> 1943
>> 1944 config SYS_HAS_CPU_R5000
>> 1945 bool
>> 1946
>> 1947 config SYS_HAS_CPU_R5432
>> 1948 bool
>> 1949
>> 1950 config SYS_HAS_CPU_R5500
>> 1951 bool
>> 1952
>> 1953 config SYS_HAS_CPU_R6000
>> 1954 bool
>> 1955
>> 1956 config SYS_HAS_CPU_NEVADA
>> 1957 bool
>> 1958
>> 1959 config SYS_HAS_CPU_R8000
>> 1960 bool
>> 1961
>> 1962 config SYS_HAS_CPU_R10000
>> 1963 bool
>> 1964
>> 1965 config SYS_HAS_CPU_RM7000
>> 1966 bool
>> 1967
>> 1968 config SYS_HAS_CPU_SB1
>> 1969 bool
>> 1970
>> 1971 config SYS_HAS_CPU_CAVIUM_OCTEON
>> 1972 bool
>> 1973
>> 1974 config SYS_HAS_CPU_BMIPS
>> 1975 bool
>> 1976
>> 1977 config SYS_HAS_CPU_BMIPS32_3300
>> 1978 bool
>> 1979 select SYS_HAS_CPU_BMIPS
>> 1980
>> 1981 config SYS_HAS_CPU_BMIPS4350
>> 1982 bool
>> 1983 select SYS_HAS_CPU_BMIPS
>> 1984
>> 1985 config SYS_HAS_CPU_BMIPS4380
>> 1986 bool
>> 1987 select SYS_HAS_CPU_BMIPS
>> 1988
>> 1989 config SYS_HAS_CPU_BMIPS5000
>> 1990 bool
>> 1991 select SYS_HAS_CPU_BMIPS
>> 1992
>> 1993 config SYS_HAS_CPU_XLR
>> 1994 bool
466 1995
467 config PPC_ADV_DEBUG_DAC_RANGE !! 1996 config SYS_HAS_CPU_XLP
>> 1997 bool
>> 1998
>> 1999 config MIPS_MALTA_PM
>> 2000 depends on MIPS_MALTA
>> 2001 depends on PCI
468 bool 2002 bool
469 depends on PPC_ADV_DEBUG_REGS && 44x <<
470 default y 2003 default y
471 2004
472 config PPC_DAWR !! 2005 #
>> 2006 # CPU may reorder R->R, R->W, W->R, W->W
>> 2007 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
>> 2008 #
>> 2009 config WEAK_ORDERING
473 bool 2010 bool
474 2011
475 config PGTABLE_LEVELS !! 2012 #
476 int !! 2013 # CPU may reorder reads and writes beyond LL/SC
477 default 2 if !PPC64 !! 2014 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
478 default 4 !! 2015 #
>> 2016 config WEAK_REORDERING_BEYOND_LLSC
>> 2017 bool
>> 2018 endmenu
479 2019
480 source "arch/powerpc/sysdev/Kconfig" !! 2020 #
481 source "arch/powerpc/platforms/Kconfig" !! 2021 # These two indicate any level of the MIPS32 and MIPS64 architecture
>> 2022 #
>> 2023 config CPU_MIPS32
>> 2024 bool
>> 2025 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
482 2026
483 menu "Kernel options" !! 2027 config CPU_MIPS64
>> 2028 bool
>> 2029 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
484 2030
485 config HIGHMEM !! 2031 #
486 bool "High memory support" !! 2032 # These two indicate the revision of the architecture, either Release 1 or Release 2
487 depends on PPC32 !! 2033 #
488 select KMAP_LOCAL !! 2034 config CPU_MIPSR1
489 !! 2035 bool
490 source "kernel/Kconfig.hz" !! 2036 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
491 !! 2037
492 config MATH_EMULATION !! 2038 config CPU_MIPSR2
493 bool "Math emulation" !! 2039 bool
494 depends on 44x || PPC_8xx || PPC_MPC83 !! 2040 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
495 select PPC_FPU_REGS !! 2041 select CPU_HAS_RIXI
496 help !! 2042 select MIPS_SPRAM
497 Some PowerPC chips designed for embe !! 2043
498 a floating-point unit and therefore !! 2044 config CPU_MIPSR6
499 floating-point instructions in the P !! 2045 bool
500 say Y here, the kernel will include !! 2046 default y if CPU_MIPS32_R6 || CPU_MIPS64_R6
501 unit, which will allow programs that !! 2047 select CPU_HAS_RIXI
502 instructions to run. !! 2048 select HAVE_ARCH_BITREVERSE
503 !! 2049 select MIPS_ASID_BITS_VARIABLE
504 This is also useful to emulate missi !! 2050 select MIPS_SPRAM
505 such as fsqrt on cores that do have !! 2051
506 them (such as Freescale BookE). !! 2052 config EVA
>> 2053 bool
>> 2054
>> 2055 config XPA
>> 2056 bool
>> 2057
>> 2058 config SYS_SUPPORTS_32BIT_KERNEL
>> 2059 bool
>> 2060 config SYS_SUPPORTS_64BIT_KERNEL
>> 2061 bool
>> 2062 config CPU_SUPPORTS_32BIT_KERNEL
>> 2063 bool
>> 2064 config CPU_SUPPORTS_64BIT_KERNEL
>> 2065 bool
>> 2066 config CPU_SUPPORTS_CPUFREQ
>> 2067 bool
>> 2068 config CPU_SUPPORTS_ADDRWINCFG
>> 2069 bool
>> 2070 config CPU_SUPPORTS_HUGEPAGES
>> 2071 bool
>> 2072 config CPU_SUPPORTS_UNCACHED_ACCELERATED
>> 2073 bool
>> 2074 config MIPS_PGD_C0_CONTEXT
>> 2075 bool
>> 2076 default y if 64BIT && (CPU_MIPSR2 || CPU_MIPSR6) && !CPU_XLP
>> 2077
>> 2078 #
>> 2079 # Set to y for ptrace access to watch registers.
>> 2080 #
>> 2081 config HARDWARE_WATCHPOINTS
>> 2082 bool
>> 2083 default y if CPU_MIPSR1 || CPU_MIPSR2 || CPU_MIPSR6
>> 2084
>> 2085 menu "Kernel type"
507 2086
508 choice 2087 choice
509 prompt "Math emulation options" !! 2088 prompt "Kernel code model"
510 default MATH_EMULATION_FULL !! 2089 help
511 depends on MATH_EMULATION !! 2090 You should only select this option if you have a workload that
512 !! 2091 actually benefits from 64-bit processing or if your machine has
513 config MATH_EMULATION_FULL !! 2092 large memory. You will only be presented a single option in this
514 bool "Emulate all the floating point i !! 2093 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 2094
520 config MATH_EMULATION_HW_UNIMPLEMENTED !! 2095 config 32BIT
521 bool "Just emulate the FPU unimplement !! 2096 bool "32-bit kernel"
>> 2097 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
>> 2098 select TRAD_SIGNALS
522 help 2099 help
523 Select this if you know there does h !! 2100 Select this option if you want to build a 32-bit kernel.
524 SoC, but some floating point instruc !! 2101
>> 2102 config 64BIT
>> 2103 bool "64-bit kernel"
>> 2104 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
>> 2105 help
>> 2106 Select this option if you want to build a 64-bit kernel.
525 2107
526 endchoice 2108 endchoice
527 2109
528 config PPC_TRANSACTIONAL_MEM !! 2110 config KVM_GUEST
529 bool "Transactional Memory support for !! 2111 bool "KVM Guest Kernel"
530 depends on PPC_BOOK3S_64 !! 2112 depends on BROKEN_ON_SMP
531 depends on SMP !! 2113 help
532 select ALTIVEC !! 2114 Select this option if building a guest kernel for KVM (Trap & Emulate)
533 select VSX !! 2115 mode.
>> 2116
>> 2117 config KVM_GUEST_TIMER_FREQ
>> 2118 int "Count/Compare Timer Frequency (MHz)"
>> 2119 depends on KVM_GUEST
>> 2120 default 100
>> 2121 help
>> 2122 Set this to non-zero if building a guest kernel for KVM to skip RTC
>> 2123 emulation when determining guest CPU Frequency. Instead, the guest's
>> 2124 timer frequency is specified directly.
>> 2125
>> 2126 config MIPS_VA_BITS_48
>> 2127 bool "48 bits virtual memory"
>> 2128 depends on 64BIT
>> 2129 help
>> 2130 Support a maximum at least 48 bits of application virtual
>> 2131 memory. Default is 40 bits or less, depending on the CPU.
>> 2132 For page sizes 16k and above, this option results in a small
>> 2133 memory overhead for page tables. For 4k page size, a fourth
>> 2134 level of page tables is added which imposes both a memory
>> 2135 overhead as well as slower TLB fault handling.
>> 2136
>> 2137 If unsure, say N.
>> 2138
>> 2139 choice
>> 2140 prompt "Kernel page size"
>> 2141 default PAGE_SIZE_4KB
>> 2142
>> 2143 config PAGE_SIZE_4KB
>> 2144 bool "4kB"
>> 2145 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
>> 2146 help
>> 2147 This option select the standard 4kB Linux page size. On some
>> 2148 R3000-family processors this is the only available page size. Using
>> 2149 4kB page size will minimize memory consumption and is therefore
>> 2150 recommended for low memory systems.
>> 2151
>> 2152 config PAGE_SIZE_8KB
>> 2153 bool "8kB"
>> 2154 depends on CPU_R8000 || CPU_CAVIUM_OCTEON
>> 2155 depends on !MIPS_VA_BITS_48
>> 2156 help
>> 2157 Using 8kB page size will result in higher performance kernel at
>> 2158 the price of higher memory consumption. This option is available
>> 2159 only on R8000 and cnMIPS processors. Note that you will need a
>> 2160 suitable Linux distribution to support this.
>> 2161
>> 2162 config PAGE_SIZE_16KB
>> 2163 bool "16kB"
>> 2164 depends on !CPU_R3000 && !CPU_TX39XX
>> 2165 help
>> 2166 Using 16kB page size will result in higher performance kernel at
>> 2167 the price of higher memory consumption. This option is available on
>> 2168 all non-R3000 family processors. Note that you will need a suitable
>> 2169 Linux distribution to support this.
>> 2170
>> 2171 config PAGE_SIZE_32KB
>> 2172 bool "32kB"
>> 2173 depends on CPU_CAVIUM_OCTEON
>> 2174 depends on !MIPS_VA_BITS_48
>> 2175 help
>> 2176 Using 32kB page size will result in higher performance kernel at
>> 2177 the price of higher memory consumption. This option is available
>> 2178 only on cnMIPS cores. Note that you will need a suitable Linux
>> 2179 distribution to support this.
>> 2180
>> 2181 config PAGE_SIZE_64KB
>> 2182 bool "64kB"
>> 2183 depends on !CPU_R3000 && !CPU_TX39XX && !CPU_R6000
>> 2184 help
>> 2185 Using 64kB page size will result in higher performance kernel at
>> 2186 the price of higher memory consumption. This option is available on
>> 2187 all non-R3000 family processor. Not that at the time of this
>> 2188 writing this option is still high experimental.
>> 2189
>> 2190 endchoice
>> 2191
>> 2192 config FORCE_MAX_ZONEORDER
>> 2193 int "Maximum zone order"
>> 2194 range 14 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2195 default "14" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_64KB
>> 2196 range 13 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2197 default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
>> 2198 range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2199 default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
>> 2200 range 11 64
>> 2201 default "11"
>> 2202 help
>> 2203 The kernel memory allocator divides physically contiguous memory
>> 2204 blocks into "zones", where each zone is a power of two number of
>> 2205 pages. This option selects the largest power of two that the kernel
>> 2206 keeps in the memory allocator. If you need to allocate very large
>> 2207 blocks of physically contiguous memory, then you may need to
>> 2208 increase this value.
>> 2209
>> 2210 This config option is actually maximum order plus one. For example,
>> 2211 a value of 11 means that the largest free memory block is 2^10 pages.
>> 2212
>> 2213 The page size is not necessarily 4KB. Keep this in mind
>> 2214 when choosing a value for this option.
>> 2215
>> 2216 config BOARD_SCACHE
>> 2217 bool
>> 2218
>> 2219 config IP22_CPU_SCACHE
>> 2220 bool
>> 2221 select BOARD_SCACHE
>> 2222
>> 2223 #
>> 2224 # Support for a MIPS32 / MIPS64 style S-caches
>> 2225 #
>> 2226 config MIPS_CPU_SCACHE
>> 2227 bool
>> 2228 select BOARD_SCACHE
>> 2229
>> 2230 config R5000_CPU_SCACHE
>> 2231 bool
>> 2232 select BOARD_SCACHE
>> 2233
>> 2234 config RM7000_CPU_SCACHE
>> 2235 bool
>> 2236 select BOARD_SCACHE
>> 2237
>> 2238 config SIBYTE_DMA_PAGEOPS
>> 2239 bool "Use DMA to clear/copy pages"
>> 2240 depends on CPU_SB1
>> 2241 help
>> 2242 Instead of using the CPU to zero and copy pages, use a Data Mover
>> 2243 channel. These DMA channels are otherwise unused by the standard
>> 2244 SiByte Linux port. Seems to give a small performance benefit.
>> 2245
>> 2246 config CPU_HAS_PREFETCH
>> 2247 bool
>> 2248
>> 2249 config CPU_GENERIC_DUMP_TLB
>> 2250 bool
>> 2251 default y if !(CPU_R3000 || CPU_R6000 || CPU_R8000 || CPU_TX39XX)
>> 2252
>> 2253 config CPU_R4K_FPU
>> 2254 bool
>> 2255 default y if !(CPU_R3000 || CPU_R6000 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
>> 2256
>> 2257 config CPU_R4K_CACHE_TLB
>> 2258 bool
>> 2259 default y if !(CPU_R3000 || CPU_R8000 || CPU_SB1 || CPU_TX39XX || CPU_CAVIUM_OCTEON)
>> 2260
>> 2261 config MIPS_MT_SMP
>> 2262 bool "MIPS MT SMP support (1 TC on each available VPE)"
>> 2263 depends on SYS_SUPPORTS_MULTITHREADING && !CPU_MIPSR6 && !CPU_MICROMIPS
>> 2264 select CPU_MIPSR2_IRQ_VI
>> 2265 select CPU_MIPSR2_IRQ_EI
>> 2266 select SYNC_R4K
>> 2267 select MIPS_MT
>> 2268 select SMP
>> 2269 select SMP_UP
>> 2270 select SYS_SUPPORTS_SMP
>> 2271 select SYS_SUPPORTS_SCHED_SMT
>> 2272 select MIPS_PERF_SHARED_TC_COUNTERS
534 help 2273 help
535 Support user-mode Transactional Memo !! 2274 This is a kernel model which is known as SMVP. This is supported
>> 2275 on cores with the MT ASE and uses the available VPEs to implement
>> 2276 virtual processors which supports SMP. This is equivalent to the
>> 2277 Intel Hyperthreading feature. For further information go to
>> 2278 <http://www.imgtec.com/mips/mips-multithreading.asp>.
536 2279
537 config PPC_UV !! 2280 config MIPS_MT
538 bool "Ultravisor support" !! 2281 bool
539 depends on KVM_BOOK3S_HV_POSSIBLE !! 2282
540 depends on DEVICE_PRIVATE !! 2283 config SCHED_SMT
>> 2284 bool "SMT (multithreading) scheduler support"
>> 2285 depends on SYS_SUPPORTS_SCHED_SMT
541 default n 2286 default n
542 help 2287 help
543 This option paravirtualizes the kern !! 2288 SMT scheduler support improves the CPU scheduler's decision making
544 supports the Protected Execution Fac !! 2289 when dealing with MIPS MT enabled cores at a cost of slightly
545 the ultravisor firmware runs at a pr !! 2290 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 2291
572 config HOTPLUG_CPU !! 2292 config SYS_SUPPORTS_SCHED_SMT
573 bool "Support for enabling/disabling C !! 2293 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 2294
591 config PPC_QUEUED_SPINLOCKS !! 2295 config SYS_SUPPORTS_MULTITHREADING
592 bool "Queued spinlocks" if EXPERT !! 2296 bool
593 depends on SMP !! 2297
594 default PPC_BOOK3S_64 !! 2298 config MIPS_MT_FPAFF
>> 2299 bool "Dynamic FPU affinity for FP-intensive threads"
>> 2300 default y
>> 2301 depends on MIPS_MT_SMP
>> 2302
>> 2303 config MIPSR2_TO_R6_EMULATOR
>> 2304 bool "MIPS R2-to-R6 emulator"
>> 2305 depends on CPU_MIPSR6
>> 2306 default y
595 help 2307 help
596 Say Y here to use queued spinlocks w !! 2308 Choose this option if you want to run non-R6 MIPS userland code.
597 fairness on large SMP and NUMA syste !! 2309 Even if you say 'Y' here, the emulator will still be disabled by
598 performance. !! 2310 default. You can enable it using the 'mipsr2emu' kernel option.
>> 2311 The only reason this is a build-time option is to save ~14K from the
>> 2312 final kernel image.
599 2313
600 config ARCH_CPU_PROBE_RELEASE !! 2314 config MIPS_VPE_LOADER
601 def_bool y !! 2315 bool "VPE loader support."
602 depends on HOTPLUG_CPU !! 2316 depends on SYS_SUPPORTS_MULTITHREADING && MODULES
>> 2317 select CPU_MIPSR2_IRQ_VI
>> 2318 select CPU_MIPSR2_IRQ_EI
>> 2319 select MIPS_MT
>> 2320 help
>> 2321 Includes a loader for loading an elf relocatable object
>> 2322 onto another VPE and running it.
603 2323
604 config PPC64_SUPPORTS_MEMORY_FAILURE !! 2324 config MIPS_VPE_LOADER_CMP
605 bool "Add support for memory hwpoison" !! 2325 bool
606 depends on PPC_BOOK3S_64 !! 2326 default "y"
607 default "y" if PPC_POWERNV !! 2327 depends on MIPS_VPE_LOADER && MIPS_CMP
608 select ARCH_SUPPORTS_MEMORY_FAILURE <<
609 2328
610 config ARCH_SUPPORTS_KEXEC !! 2329 config MIPS_VPE_LOADER_MT
611 def_bool PPC_BOOK3S || PPC_E500 || (44 !! 2330 bool
>> 2331 default "y"
>> 2332 depends on MIPS_VPE_LOADER && !MIPS_CMP
612 2333
613 config ARCH_SUPPORTS_KEXEC_FILE !! 2334 config MIPS_VPE_LOADER_TOM
614 def_bool PPC64 !! 2335 bool "Load VPE program into memory hidden from linux"
>> 2336 depends on MIPS_VPE_LOADER
>> 2337 default y
>> 2338 help
>> 2339 The loader can use memory that is present but has been hidden from
>> 2340 Linux using the kernel command line option "mem=xxMB". It's up to
>> 2341 you to ensure the amount you put in the option and the space your
>> 2342 program requires is less or equal to the amount physically present.
615 2343
616 config ARCH_SUPPORTS_KEXEC_PURGATORY !! 2344 config MIPS_VPE_APSP_API
617 def_bool y !! 2345 bool "Enable support for AP/SP API (RTLX)"
>> 2346 depends on MIPS_VPE_LOADER
>> 2347 help
618 2348
619 config ARCH_SELECTS_KEXEC_FILE !! 2349 config MIPS_VPE_APSP_API_CMP
620 def_bool y !! 2350 bool
621 depends on KEXEC_FILE !! 2351 default "y"
622 select KEXEC_ELF !! 2352 depends on MIPS_VPE_APSP_API && MIPS_CMP
623 select HAVE_IMA_KEXEC if IMA !! 2353
624 !! 2354 config MIPS_VPE_APSP_API_MT
625 config PPC64_BIG_ENDIAN_ELF_ABI_V2 !! 2355 bool
626 # Option is available to BFD, but LLD !! 2356 default "y"
627 # always true there. !! 2357 depends on MIPS_VPE_APSP_API && !MIPS_CMP
628 prompt "Build big-endian kernel using !! 2358
629 def_bool y !! 2359 config MIPS_CMP
630 depends on PPC64 && CPU_BIG_ENDIAN !! 2360 bool "MIPS CMP framework support (DEPRECATED)"
631 depends on CC_HAS_ELFV2 !! 2361 depends on SYS_SUPPORTS_MIPS_CMP && !CPU_MIPSR6
>> 2362 select SMP
>> 2363 select SYNC_R4K
>> 2364 select SYS_SUPPORTS_SMP
>> 2365 select WEAK_ORDERING
>> 2366 default n
632 help 2367 help
633 This builds the kernel image using t !! 2368 Select this if you are using a bootloader which implements the "CMP
634 V2 ABI Specification", which has a r !! 2369 framework" protocol (ie. YAMON) and want your kernel to make use of
635 function calls. This internal kernel !! 2370 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 2371
642 config RELOCATABLE !! 2372 Unless you have a specific need, you should use CONFIG_MIPS_CPS
643 bool "Build a relocatable kernel" !! 2373 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 2374
665 config RANDOMIZE_BASE !! 2375 config MIPS_CPS
666 bool "Randomize the address of the ker !! 2376 bool "MIPS Coherent Processing System support"
667 depends on PPC_85xx && FLATMEM !! 2377 depends on SYS_SUPPORTS_MIPS_CPS
668 depends on RELOCATABLE !! 2378 select MIPS_CM
>> 2379 select MIPS_CPC
>> 2380 select MIPS_CPS_PM if HOTPLUG_CPU
>> 2381 select SMP
>> 2382 select SYNC_R4K if (CEVT_R4K || CSRC_R4K)
>> 2383 select SYS_SUPPORTS_HOTPLUG_CPU
>> 2384 select SYS_SUPPORTS_SCHED_SMT if CPU_MIPSR6
>> 2385 select SYS_SUPPORTS_SMP
>> 2386 select WEAK_ORDERING
669 help 2387 help
670 Randomizes the virtual address at wh !! 2388 Select this if you wish to run an SMP kernel across multiple cores
671 loaded, as a security feature that d !! 2389 within a MIPS Coherent Processing System. When this option is
672 relying on knowledge of the location !! 2390 enabled the kernel will probe for other cores and boot them with
>> 2391 no external assistance. It is safe to enable this when hardware
>> 2392 support is unavailable.
673 2393
674 If unsure, say Y. !! 2394 config MIPS_CPS_PM
>> 2395 depends on MIPS_CPS
>> 2396 select MIPS_CPC
>> 2397 bool
675 2398
676 config RELOCATABLE_TEST !! 2399 config MIPS_CM
677 bool "Test relocatable kernel" !! 2400 bool
678 depends on (PPC64 && RELOCATABLE) <<
679 help <<
680 This runs the relocatable kernel at <<
681 loaded at, which tends to be non-zer <<
682 relocation code. <<
683 2401
684 config ARCH_SUPPORTS_CRASH_DUMP !! 2402 config MIPS_CPC
685 def_bool PPC64 || PPC_BOOK3S_32 || PPC !! 2403 bool
686 2404
687 config ARCH_SELECTS_CRASH_DUMP !! 2405 config SB1_PASS_2_WORKAROUNDS
688 def_bool y !! 2406 bool
689 depends on CRASH_DUMP !! 2407 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
690 select RELOCATABLE if PPC64 || 44x || !! 2408 default y
691 2409
692 config ARCH_SUPPORTS_CRASH_HOTPLUG !! 2410 config SB1_PASS_2_1_WORKAROUNDS
693 def_bool y !! 2411 bool
694 depends on PPC64 !! 2412 depends on CPU_SB1 && CPU_SB1_PASS_2
>> 2413 default y
695 2414
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 2415
728 config IRQ_ALL_CPUS !! 2416 config ARCH_PHYS_ADDR_T_64BIT
729 bool "Distribute interrupts on all CPU !! 2417 bool
730 depends on SMP !! 2418
>> 2419 choice
>> 2420 prompt "SmartMIPS or microMIPS ASE support"
>> 2421
>> 2422 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS
>> 2423 bool "None"
731 help 2424 help
732 This option gives the kernel permiss !! 2425 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 2426
737 config NUMA !! 2427 config CPU_HAS_SMARTMIPS
738 bool "NUMA Memory Allocation and Sched !! 2428 depends on SYS_SUPPORTS_SMARTMIPS
739 depends on PPC64 && SMP !! 2429 bool "SmartMIPS"
740 default y if PPC_PSERIES || PPC_POWERN !! 2430 help
741 select USE_PERCPU_NUMA_NODE_ID !! 2431 SmartMIPS is a extension of the MIPS32 architecture aimed at
742 help !! 2432 increased security at both hardware and software level for
743 Enable NUMA (Non-Uniform Memory Acce !! 2433 smartcards. Enabling this option will allow proper use of the
744 !! 2434 SmartMIPS instructions by Linux applications. However a kernel with
745 The kernel will try to allocate memo !! 2435 this option will not work on a MIPS core without SmartMIPS core. If
746 local memory controller of the CPU a !! 2436 you don't know you probably don't have SmartMIPS and should say N
747 NUMA awareness to the kernel. !! 2437 here.
>> 2438
>> 2439 config CPU_MICROMIPS
>> 2440 depends on 32BIT && SYS_SUPPORTS_MICROMIPS && !CPU_MIPSR6
>> 2441 bool "microMIPS"
>> 2442 help
>> 2443 When this option is enabled the kernel will be built using the
>> 2444 microMIPS ISA
748 2445
749 config NODES_SHIFT !! 2446 endchoice
>> 2447
>> 2448 config CPU_HAS_MSA
>> 2449 bool "Support for the MIPS SIMD Architecture"
>> 2450 depends on CPU_SUPPORTS_MSA
>> 2451 depends on 64BIT || MIPS_O32_FP64_SUPPORT
>> 2452 help
>> 2453 MIPS SIMD Architecture (MSA) introduces 128 bit wide vector registers
>> 2454 and a set of SIMD instructions to operate on them. When this option
>> 2455 is enabled the kernel will support allocating & switching MSA
>> 2456 vector register contexts. If you know that your kernel will only be
>> 2457 running on CPUs which do not support MSA or that your userland will
>> 2458 not be making use of it then you may wish to say N here to reduce
>> 2459 the size & complexity of your kernel.
>> 2460
>> 2461 If unsure, say Y.
>> 2462
>> 2463 config CPU_HAS_WB
>> 2464 bool
>> 2465
>> 2466 config XKS01
>> 2467 bool
>> 2468
>> 2469 config CPU_HAS_RIXI
>> 2470 bool
>> 2471
>> 2472 #
>> 2473 # Vectored interrupt mode is an R2 feature
>> 2474 #
>> 2475 config CPU_MIPSR2_IRQ_VI
>> 2476 bool
>> 2477
>> 2478 #
>> 2479 # Extended interrupt mode is an R2 feature
>> 2480 #
>> 2481 config CPU_MIPSR2_IRQ_EI
>> 2482 bool
>> 2483
>> 2484 config CPU_HAS_SYNC
>> 2485 bool
>> 2486 depends on !CPU_R3000
>> 2487 default y
>> 2488
>> 2489 #
>> 2490 # CPU non-features
>> 2491 #
>> 2492 config CPU_DADDI_WORKAROUNDS
>> 2493 bool
>> 2494
>> 2495 config CPU_R4000_WORKAROUNDS
>> 2496 bool
>> 2497 select CPU_R4400_WORKAROUNDS
>> 2498
>> 2499 config CPU_R4400_WORKAROUNDS
>> 2500 bool
>> 2501
>> 2502 config MIPS_ASID_SHIFT
750 int 2503 int
751 default "8" if PPC64 !! 2504 default 6 if CPU_R3000 || CPU_TX39XX
752 default "4" !! 2505 default 4 if CPU_R8000
753 depends on NUMA !! 2506 default 0
754 2507
755 config HAVE_MEMORYLESS_NODES !! 2508 config MIPS_ASID_BITS
756 def_bool y !! 2509 int
757 depends on NUMA !! 2510 default 0 if MIPS_ASID_BITS_VARIABLE
>> 2511 default 6 if CPU_R3000 || CPU_TX39XX
>> 2512 default 8
>> 2513
>> 2514 config MIPS_ASID_BITS_VARIABLE
>> 2515 bool
>> 2516
>> 2517 #
>> 2518 # - Highmem only makes sense for the 32-bit kernel.
>> 2519 # - The current highmem code will only work properly on physically indexed
>> 2520 # caches such as R3000, SB1, R7000 or those that look like they're virtually
>> 2521 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
>> 2522 # moment we protect the user and offer the highmem option only on machines
>> 2523 # where it's known to be safe. This will not offer highmem on a few systems
>> 2524 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
>> 2525 # indexed CPUs but we're playing safe.
>> 2526 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
>> 2527 # know they might have memory configurations that could make use of highmem
>> 2528 # support.
>> 2529 #
>> 2530 config HIGHMEM
>> 2531 bool "High Memory Support"
>> 2532 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM && !CPU_MIPS32_3_5_EVA
758 2533
759 config ARCH_SELECT_MEMORY_MODEL !! 2534 config CPU_SUPPORTS_HIGHMEM
760 def_bool y !! 2535 bool
761 depends on PPC64 !! 2536
>> 2537 config SYS_SUPPORTS_HIGHMEM
>> 2538 bool
>> 2539
>> 2540 config SYS_SUPPORTS_SMARTMIPS
>> 2541 bool
>> 2542
>> 2543 config SYS_SUPPORTS_MICROMIPS
>> 2544 bool
>> 2545
>> 2546 config SYS_SUPPORTS_MIPS16
>> 2547 bool
>> 2548 help
>> 2549 This option must be set if a kernel might be executed on a MIPS16-
>> 2550 enabled CPU even if MIPS16 is not actually being used. In other
>> 2551 words, it makes the kernel MIPS16-tolerant.
>> 2552
>> 2553 config CPU_SUPPORTS_MSA
>> 2554 bool
762 2555
763 config ARCH_FLATMEM_ENABLE 2556 config ARCH_FLATMEM_ENABLE
764 def_bool y 2557 def_bool y
765 depends on (PPC64 && !NUMA) || PPC32 !! 2558 depends on !NUMA && !CPU_LOONGSON2
>> 2559
>> 2560 config ARCH_DISCONTIGMEM_ENABLE
>> 2561 bool
>> 2562 default y if SGI_IP27
>> 2563 help
>> 2564 Say Y to support efficient handling of discontiguous physical memory,
>> 2565 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 2566 or have huge holes in the physical address space for other reasons.
>> 2567 See <file:Documentation/vm/numa> for more.
766 2568
767 config ARCH_SPARSEMEM_ENABLE 2569 config ARCH_SPARSEMEM_ENABLE
768 def_bool y !! 2570 bool
769 depends on PPC64 !! 2571 select SPARSEMEM_STATIC
770 select SPARSEMEM_VMEMMAP_ENABLE <<
771 2572
772 config ARCH_SPARSEMEM_DEFAULT !! 2573 config NUMA
773 def_bool y !! 2574 bool "NUMA Support"
774 depends on PPC_BOOK3S_64 !! 2575 depends on SYS_SUPPORTS_NUMA
>> 2576 help
>> 2577 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 2578 Access). This option improves performance on systems with more
>> 2579 than two nodes; on two node systems it is generally better to
>> 2580 leave it disabled; on single node systems disable this option
>> 2581 disabled.
775 2582
776 config ILLEGAL_POINTER_VALUE !! 2583 config SYS_SUPPORTS_NUMA
777 hex !! 2584 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 2585
783 config ARCH_MEMORY_PROBE !! 2586 config RELOCATABLE
784 def_bool y !! 2587 bool "Relocatable kernel"
785 depends on MEMORY_HOTPLUG !! 2588 depends on SYS_SUPPORTS_RELOCATABLE && (CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_MIPS32_R6 || CPU_MIPS64_R6 || CAVIUM_OCTEON_SOC)
>> 2589 help
>> 2590 This builds a kernel image that retains relocation information
>> 2591 so it can be loaded someplace besides the default 1MB.
>> 2592 The relocations make the kernel binary about 15% larger,
>> 2593 but are discarded at runtime
786 2594
787 choice !! 2595 config RELOCATION_TABLE_SIZE
788 prompt "Page size" !! 2596 hex "Relocation table size"
789 default PPC_64K_PAGES if PPC_BOOK3S_64 !! 2597 depends on RELOCATABLE
790 default PPC_4K_PAGES !! 2598 range 0x0 0x01000000
791 help !! 2599 default "0x00100000"
792 Select the kernel logical page size. !! 2600 ---help---
793 will reduce software overhead at eac !! 2601 A table of relocation data will be appended to the kernel binary
794 hardware prefetch mechanisms to be m !! 2602 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 2603
841 endchoice !! 2604 This option allows the amount of space reserved for the table to be
>> 2605 adjusted, although the default of 1Mb should be ok in most cases.
842 2606
843 config THREAD_SHIFT !! 2607 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 2608
915 Don't change if unsure. !! 2609 If unsure, leave at the default value.
916 2610
917 config PPC_SUBPAGE_PROT !! 2611 config RANDOMIZE_BASE
918 bool "Support setting protections for !! 2612 bool "Randomize the address of the kernel image"
919 default n !! 2613 depends on RELOCATABLE
920 depends on PPC_64S_HASH_MMU && PPC_64K !! 2614 ---help---
>> 2615 Randomizes the physical and virtual address at which the
>> 2616 kernel image is loaded, as a security feature that
>> 2617 deters exploit attempts relying on knowledge of the location
>> 2618 of kernel internals.
>> 2619
>> 2620 Entropy is generated using any coprocessor 0 registers available.
>> 2621
>> 2622 The kernel will be offset by up to RANDOMIZE_BASE_MAX_OFFSET.
>> 2623
>> 2624 If unsure, say N.
>> 2625
>> 2626 config RANDOMIZE_BASE_MAX_OFFSET
>> 2627 hex "Maximum kASLR offset" if EXPERT
>> 2628 depends on RANDOMIZE_BASE
>> 2629 range 0x0 0x40000000 if EVA || 64BIT
>> 2630 range 0x0 0x08000000
>> 2631 default "0x01000000"
>> 2632 ---help---
>> 2633 When kASLR is active, this provides the maximum offset that will
>> 2634 be applied to the kernel image. It should be set according to the
>> 2635 amount of physical RAM available in the target system minus
>> 2636 PHYSICAL_START and must be a power of 2.
>> 2637
>> 2638 This is limited by the size of KSEG0, 256Mb on 32-bit or 1Gb with
>> 2639 EVA or 64-bit. The default is 16Mb.
>> 2640
>> 2641 config NODES_SHIFT
>> 2642 int
>> 2643 default "6"
>> 2644 depends on NEED_MULTIPLE_NODES
>> 2645
>> 2646 config HW_PERF_EVENTS
>> 2647 bool "Enable hardware performance counter support for perf events"
>> 2648 depends on PERF_EVENTS && !OPROFILE && (CPU_MIPS32 || CPU_MIPS64 || CPU_R10000 || CPU_SB1 || CPU_CAVIUM_OCTEON || CPU_XLP || CPU_LOONGSON3)
>> 2649 default y
921 help 2650 help
922 This option adds support for system !! 2651 Enable hardware performance counter support for perf events. If
923 to set access permissions (read/writ !! 2652 disabled, perf events will use software events only.
924 on the 4k subpages of each 64k page. <<
925 2653
926 If unsure, say N here. !! 2654 source "mm/Kconfig"
927 2655
928 config PPC_PROT_SAO_LPAR !! 2656 config SMP
929 bool "Support PROT_SAO mappings in LPA !! 2657 bool "Multi-Processing support"
930 depends on PPC_BOOK3S_64 !! 2658 depends on SYS_SUPPORTS_SMP
931 help 2659 help
932 This option adds support for PROT_SA !! 2660 This enables support for systems with more than one CPU. If you have
933 inside LPARs on supported CPUs. !! 2661 a system with only one CPU, say N. If you have a system with more
>> 2662 than one CPU, say Y.
934 2663
935 This may cause issues when performin !! 2664 If you say N here, the kernel will run on uni- and multiprocessor
936 a CPU that supports SAO to one that !! 2665 machines, but will use only one CPU of a multiprocessor machine. If
>> 2666 you say Y here, the kernel will run on many, but not all,
>> 2667 uniprocessor machines. On a uniprocessor machine, the kernel
>> 2668 will run faster if you say N here.
937 2669
938 If unsure, say N here. !! 2670 People using multiprocessor machines who say Y here should also say
>> 2671 Y to "Enhanced Real Time Clock Support", below.
939 2672
940 config PPC_COPRO_BASE !! 2673 See also the SMP-HOWTO available at
941 bool !! 2674 <http://www.tldp.org/docs.html#howto>.
942 2675
943 config SCHED_SMT !! 2676 If you don't know what to do here, say N.
944 bool "SMT (Hyperthreading) scheduler s !! 2677
945 depends on PPC64 && SMP !! 2678 config HOTPLUG_CPU
>> 2679 bool "Support for hot-pluggable CPUs"
>> 2680 depends on SMP && SYS_SUPPORTS_HOTPLUG_CPU
946 help 2681 help
947 SMT scheduler support improves the C !! 2682 Say Y here to allow turning CPUs off and on. CPUs can be
948 when dealing with POWER5 cpus at a c !! 2683 controlled through /sys/devices/system/cpu.
949 overhead in some places. If unsure s !! 2684 (Note: power management support will enable this option
>> 2685 automatically on SMP systems. )
>> 2686 Say N if you want to disable CPU hotplug.
>> 2687
>> 2688 config SMP_UP
>> 2689 bool
>> 2690
>> 2691 config SYS_SUPPORTS_MIPS_CMP
>> 2692 bool
950 2693
951 config PPC_DENORMALISATION !! 2694 config SYS_SUPPORTS_MIPS_CPS
952 bool "PowerPC denormalisation exceptio !! 2695 bool
953 depends on PPC_BOOK3S_64 !! 2696
954 default "y" if PPC_POWERNV !! 2697 config SYS_SUPPORTS_SMP
955 help !! 2698 bool
956 Add support for handling denormalisa !! 2699
957 values. Useful for bare metal only. !! 2700 config NR_CPUS_DEFAULT_4
958 !! 2701 bool
959 config CMDLINE !! 2702
960 string "Initial kernel command string" !! 2703 config NR_CPUS_DEFAULT_8
961 default "" !! 2704 bool
962 help !! 2705
963 On some platforms, there is currentl !! 2706 config NR_CPUS_DEFAULT_16
964 pass arguments to the kernel. For th !! 2707 bool
965 some command-line options at build t !! 2708
966 most cases you will need to specify !! 2709 config NR_CPUS_DEFAULT_32
>> 2710 bool
>> 2711
>> 2712 config NR_CPUS_DEFAULT_64
>> 2713 bool
>> 2714
>> 2715 config NR_CPUS
>> 2716 int "Maximum number of CPUs (2-256)"
>> 2717 range 2 256
>> 2718 depends on SMP
>> 2719 default "4" if NR_CPUS_DEFAULT_4
>> 2720 default "8" if NR_CPUS_DEFAULT_8
>> 2721 default "16" if NR_CPUS_DEFAULT_16
>> 2722 default "32" if NR_CPUS_DEFAULT_32
>> 2723 default "64" if NR_CPUS_DEFAULT_64
>> 2724 help
>> 2725 This allows you to specify the maximum number of CPUs which this
>> 2726 kernel will support. The maximum supported value is 32 for 32-bit
>> 2727 kernel and 64 for 64-bit kernels; the minimum value which makes
>> 2728 sense is 1 for Qemu (useful only for kernel debugging purposes)
>> 2729 and 2 for all others.
>> 2730
>> 2731 This is purely to save memory - each supported CPU adds
>> 2732 approximately eight kilobytes to the kernel image. For best
>> 2733 performance should round up your number of processors to the next
>> 2734 power of two.
>> 2735
>> 2736 config MIPS_PERF_SHARED_TC_COUNTERS
>> 2737 bool
>> 2738
>> 2739 #
>> 2740 # Timer Interrupt Frequency Configuration
>> 2741 #
967 2742
968 choice 2743 choice
969 prompt "Kernel command line type" !! 2744 prompt "Timer frequency"
970 depends on CMDLINE != "" !! 2745 default HZ_250
971 default CMDLINE_FROM_BOOTLOADER !! 2746 help
972 !! 2747 Allows the configuration of the timer frequency.
973 config CMDLINE_FROM_BOOTLOADER !! 2748
974 bool "Use bootloader kernel arguments !! 2749 config HZ_24
975 help !! 2750 bool "24 HZ" if SYS_SUPPORTS_24HZ || SYS_SUPPORTS_ARBIT_HZ
976 Uses the command-line options passed !! 2751
977 the boot loader doesn't provide any, !! 2752 config HZ_48
978 string provided in CMDLINE will be u !! 2753 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
979 !! 2754
980 config CMDLINE_EXTEND !! 2755 config HZ_100
981 bool "Extend bootloader kernel argumen !! 2756 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
982 help !! 2757
983 The command-line arguments provided !! 2758 config HZ_128
984 appended to the default kernel comma !! 2759 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
985 !! 2760
986 config CMDLINE_FORCE !! 2761 config HZ_250
987 bool "Always use the default kernel co !! 2762 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
988 help !! 2763
989 Always use the default kernel comman !! 2764 config HZ_256
990 loader passes other arguments to the !! 2765 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
991 This is useful if you cannot or don' !! 2766
992 command-line options your boot loade !! 2767 config HZ_1000
>> 2768 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
>> 2769
>> 2770 config HZ_1024
>> 2771 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
993 2772
994 endchoice 2773 endchoice
995 2774
996 config EXTRA_TARGETS !! 2775 config SYS_SUPPORTS_24HZ
997 string "Additional default image types !! 2776 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 2777
1003 Targets in this list will be build !! 2778 config SYS_SUPPORTS_48HZ
1004 target, or when the user does a 'ma !! 2779 bool
1005 'make zImage.initrd'. <<
1006 2780
1007 If unsure, leave blank !! 2781 config SYS_SUPPORTS_100HZ
>> 2782 bool
1008 2783
1009 config ARCH_WANTS_FREEZER_CONTROL !! 2784 config SYS_SUPPORTS_128HZ
1010 def_bool y !! 2785 bool
1011 depends on ADB_PMU <<
1012 2786
1013 source "kernel/power/Kconfig" !! 2787 config SYS_SUPPORTS_250HZ
>> 2788 bool
1014 2789
1015 config PPC_MEM_KEYS !! 2790 config SYS_SUPPORTS_256HZ
1016 prompt "PowerPC Memory Protection Key !! 2791 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 2792
1027 For details, see Documentation/core !! 2793 config SYS_SUPPORTS_1000HZ
>> 2794 bool
1028 2795
1029 If unsure, say y. !! 2796 config SYS_SUPPORTS_1024HZ
>> 2797 bool
>> 2798
>> 2799 config SYS_SUPPORTS_ARBIT_HZ
>> 2800 bool
>> 2801 default y if !SYS_SUPPORTS_24HZ && \
>> 2802 !SYS_SUPPORTS_48HZ && \
>> 2803 !SYS_SUPPORTS_100HZ && \
>> 2804 !SYS_SUPPORTS_128HZ && \
>> 2805 !SYS_SUPPORTS_250HZ && \
>> 2806 !SYS_SUPPORTS_256HZ && \
>> 2807 !SYS_SUPPORTS_1000HZ && \
>> 2808 !SYS_SUPPORTS_1024HZ
1030 2809
1031 config ARCH_PKEY_BITS !! 2810 config HZ
1032 int 2811 int
1033 default 5 !! 2812 default 24 if HZ_24
>> 2813 default 48 if HZ_48
>> 2814 default 100 if HZ_100
>> 2815 default 128 if HZ_128
>> 2816 default 250 if HZ_250
>> 2817 default 256 if HZ_256
>> 2818 default 1000 if HZ_1000
>> 2819 default 1024 if HZ_1024
>> 2820
>> 2821 config SCHED_HRTICK
>> 2822 def_bool HIGH_RES_TIMERS
>> 2823
>> 2824 source "kernel/Kconfig.preempt"
>> 2825
>> 2826 config KEXEC
>> 2827 bool "Kexec system call"
>> 2828 select KEXEC_CORE
>> 2829 help
>> 2830 kexec is a system call that implements the ability to shutdown your
>> 2831 current kernel, and to start another kernel. It is like a reboot
>> 2832 but it is independent of the system firmware. And like a reboot
>> 2833 you can start any kernel with it, not just Linux.
>> 2834
>> 2835 The name comes from the similarity to the exec system call.
>> 2836
>> 2837 It is an ongoing process to be certain the hardware in a machine
>> 2838 is properly shutdown, so do not be surprised if this code does not
>> 2839 initially work for you. As of this writing the exact hardware
>> 2840 interface is strongly in flux, so no good recommendation can be
>> 2841 made.
>> 2842
>> 2843 config CRASH_DUMP
>> 2844 bool "Kernel crash dumps"
>> 2845 help
>> 2846 Generate crash dump after being started by kexec.
>> 2847 This should be normally only set in special crash dump kernels
>> 2848 which are loaded in the main kernel with kexec-tools into
>> 2849 a specially reserved region and then later executed after
>> 2850 a crash by kdump/kexec. The crash dump kernel must be compiled
>> 2851 to a memory address not used by the main kernel or firmware using
>> 2852 PHYSICAL_START.
>> 2853
>> 2854 config PHYSICAL_START
>> 2855 hex "Physical address where the kernel is loaded"
>> 2856 default "0xffffffff84000000" if 64BIT
>> 2857 default "0x84000000" if 32BIT
>> 2858 depends on CRASH_DUMP
>> 2859 help
>> 2860 This gives the CKSEG0 or KSEG0 address where the kernel is loaded.
>> 2861 If you plan to use kernel for capturing the crash dump change
>> 2862 this value to start of the reserved region (the "X" value as
>> 2863 specified in the "crashkernel=YM@XM" command line boot parameter
>> 2864 passed to the panic-ed kernel).
>> 2865
>> 2866 config SECCOMP
>> 2867 bool "Enable seccomp to safely compute untrusted bytecode"
>> 2868 depends on PROC_FS
>> 2869 default y
>> 2870 help
>> 2871 This kernel feature is useful for number crunching applications
>> 2872 that may need to compute untrusted bytecode during their
>> 2873 execution. By using pipes or other transports made available to
>> 2874 the process as file descriptors supporting the read/write
>> 2875 syscalls, it's possible to isolate those applications in
>> 2876 their own address space using seccomp. Once seccomp is
>> 2877 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 2878 and the task is only allowed to execute a few safe syscalls
>> 2879 defined by each seccomp mode.
>> 2880
>> 2881 If unsure, say Y. Only embedded should say N here.
>> 2882
>> 2883 config MIPS_O32_FP64_SUPPORT
>> 2884 bool "Support for O32 binaries using 64-bit FP"
>> 2885 depends on 32BIT || MIPS32_O32
>> 2886 help
>> 2887 When this is enabled, the kernel will support use of 64-bit floating
>> 2888 point registers with binaries using the O32 ABI along with the
>> 2889 EF_MIPS_FP64 ELF header flag (typically built with -mfp64). On
>> 2890 32-bit MIPS systems this support is at the cost of increasing the
>> 2891 size and complexity of the compiled FPU emulator. Thus if you are
>> 2892 running a MIPS32 system and know that none of your userland binaries
>> 2893 will require 64-bit floating point, you may wish to reduce the size
>> 2894 of your kernel & potentially improve FP emulation performance by
>> 2895 saying N here.
>> 2896
>> 2897 Although binutils currently supports use of this flag the details
>> 2898 concerning its effect upon the O32 ABI in userland are still being
>> 2899 worked on. In order to avoid userland becoming dependant upon current
>> 2900 behaviour before the details have been finalised, this option should
>> 2901 be considered experimental and only enabled by those working upon
>> 2902 said details.
>> 2903
>> 2904 If unsure, say N.
>> 2905
>> 2906 config USE_OF
>> 2907 bool
>> 2908 select OF
>> 2909 select OF_EARLY_FLATTREE
>> 2910 select IRQ_DOMAIN
1034 2911
1035 config PPC_SECURE_BOOT !! 2912 config BUILTIN_DTB
1036 prompt "Enable secure boot support" <<
1037 bool 2913 bool
1038 depends on PPC_POWERNV || PPC_PSERIES !! 2914
1039 depends on IMA_ARCH_POLICY !! 2915 choice
1040 imply IMA_SECURE_AND_OR_TRUSTED_BOOT !! 2916 prompt "Kernel appended dtb support" if USE_OF
1041 select PSERIES_PLPKS if PPC_PSERIES !! 2917 default MIPS_NO_APPENDED_DTB
1042 help !! 2918
1043 Systems with firmware secure boot e !! 2919 config MIPS_NO_APPENDED_DTB
1044 policies to extend secure boot to t !! 2920 bool "None"
1045 to enable OS secure boot on systems !! 2921 help
1046 it. If in doubt say N. !! 2922 Do not enable appended dtb support.
1047 !! 2923
1048 config PPC_SECVAR_SYSFS !! 2924 config MIPS_ELF_APPENDED_DTB
1049 bool "Enable sysfs interface for POWE !! 2925 bool "vmlinux"
1050 default y !! 2926 help
1051 depends on PPC_SECURE_BOOT !! 2927 With this option, the boot code will look for a device tree binary
1052 depends on SYSFS !! 2928 DTB) included in the vmlinux ELF section .appended_dtb. By default
1053 help !! 2929 it is empty and the DTB can be appended using binutils command
1054 POWER secure variables are managed !! 2930 objcopy:
1055 These variables are exposed to user !! 2931
1056 read/write operations on these vari !! 2932 objcopy --update-section .appended_dtb=<filename>.dtb vmlinux
1057 secure boot enabled and want to exp !! 2933
>> 2934 This is meant as a backward compatiblity convenience for those
>> 2935 systems with a bootloader that can't be upgraded to accommodate
>> 2936 the documented boot protocol using a device tree.
>> 2937
>> 2938 config MIPS_RAW_APPENDED_DTB
>> 2939 bool "vmlinux.bin or vmlinuz.bin"
>> 2940 help
>> 2941 With this option, the boot code will look for a device tree binary
>> 2942 DTB) appended to raw vmlinux.bin or vmlinuz.bin.
>> 2943 (e.g. cat vmlinux.bin <filename>.dtb > vmlinux_w_dtb).
>> 2944
>> 2945 This is meant as a backward compatibility convenience for those
>> 2946 systems with a bootloader that can't be upgraded to accommodate
>> 2947 the documented boot protocol using a device tree.
>> 2948
>> 2949 Beware that there is very little in terms of protection against
>> 2950 this option being confused by leftover garbage in memory that might
>> 2951 look like a DTB header after a reboot if no actual DTB is appended
>> 2952 to vmlinux.bin. Do not leave this option active in a production kernel
>> 2953 if you don't intend to always append a DTB.
>> 2954 endchoice
>> 2955
>> 2956 choice
>> 2957 prompt "Kernel command line type" if !CMDLINE_OVERRIDE
>> 2958 default MIPS_CMDLINE_FROM_DTB if USE_OF && !ATH79 && !MACH_INGENIC && \
>> 2959 !MIPS_MALTA && \
>> 2960 !CAVIUM_OCTEON_SOC
>> 2961 default MIPS_CMDLINE_FROM_BOOTLOADER
>> 2962
>> 2963 config MIPS_CMDLINE_FROM_DTB
>> 2964 depends on USE_OF
>> 2965 bool "Dtb kernel arguments if available"
>> 2966
>> 2967 config MIPS_CMDLINE_DTB_EXTEND
>> 2968 depends on USE_OF
>> 2969 bool "Extend dtb kernel arguments with bootloader arguments"
>> 2970
>> 2971 config MIPS_CMDLINE_FROM_BOOTLOADER
>> 2972 bool "Bootloader kernel arguments if available"
>> 2973
>> 2974 config MIPS_CMDLINE_BUILTIN_EXTEND
>> 2975 depends on CMDLINE_BOOL
>> 2976 bool "Extend builtin kernel arguments with bootloader arguments"
>> 2977 endchoice
1058 2978
1059 endmenu 2979 endmenu
1060 2980
1061 config ISA_DMA_API !! 2981 config LOCKDEP_SUPPORT
1062 bool 2982 bool
1063 default PCI !! 2983 default y
1064 2984
1065 menu "Bus options" !! 2985 config STACKTRACE_SUPPORT
>> 2986 bool
>> 2987 default y
1066 2988
1067 config ISA !! 2989 config HAVE_LATENCYTOP_SUPPORT
1068 bool "Support for ISA-bus hardware" !! 2990 bool
1069 depends on PPC_CHRP !! 2991 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 2992
1078 config GENERIC_ISA_DMA !! 2993 config PGTABLE_LEVELS
>> 2994 int
>> 2995 default 4 if PAGE_SIZE_4KB && MIPS_VA_BITS_48
>> 2996 default 3 if 64BIT && !PAGE_SIZE_64KB
>> 2997 default 2
>> 2998
>> 2999 source "init/Kconfig"
>> 3000
>> 3001 source "kernel/Kconfig.freezer"
>> 3002
>> 3003 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
>> 3004
>> 3005 config HW_HAS_EISA
>> 3006 bool
>> 3007 config HW_HAS_PCI
1079 bool 3008 bool
1080 depends on ISA_DMA_API !! 3009
>> 3010 config PCI
>> 3011 bool "Support for PCI controller"
>> 3012 depends on HW_HAS_PCI
>> 3013 select PCI_DOMAINS
>> 3014 help
>> 3015 Find out whether you have a PCI motherboard. PCI is the name of a
>> 3016 bus system, i.e. the way the CPU talks to the other stuff inside
>> 3017 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
>> 3018 say Y, otherwise N.
>> 3019
>> 3020 config HT_PCI
>> 3021 bool "Support for HT-linked PCI"
1081 default y 3022 default y
>> 3023 depends on CPU_LOONGSON3
>> 3024 select PCI
>> 3025 select PCI_DOMAINS
>> 3026 help
>> 3027 Loongson family machines use Hyper-Transport bus for inter-core
>> 3028 connection and device connection. The PCI bus is a subordinate
>> 3029 linked at HT. Choose Y for Loongson-3 based machines.
1082 3030
1083 config PPC_INDIRECT_PCI !! 3031 config PCI_DOMAINS
1084 bool 3032 bool
1085 depends on PCI <<
1086 default y if 44x <<
1087 3033
1088 config SBUS !! 3034 config PCI_DOMAINS_GENERIC
1089 bool 3035 bool
1090 3036
1091 config FSL_SOC !! 3037 config PCI_DRIVERS_GENERIC
>> 3038 select PCI_DOMAINS_GENERIC if PCI_DOMAINS
1092 bool 3039 bool
1093 3040
1094 config FSL_PCI !! 3041 config PCI_DRIVERS_LEGACY
>> 3042 def_bool !PCI_DRIVERS_GENERIC
>> 3043 select NO_GENERIC_PCI_IOPORT_MAP
>> 3044
>> 3045 source "drivers/pci/Kconfig"
>> 3046
>> 3047 #
>> 3048 # ISA support is now enabled via select. Too many systems still have the one
>> 3049 # or other ISA chip on the board that users don't know about so don't expect
>> 3050 # users to choose the right thing ...
>> 3051 #
>> 3052 config ISA
1095 bool 3053 bool
1096 select ARCH_HAS_DMA_SET_MASK <<
1097 select PPC_INDIRECT_PCI <<
1098 select PCI_QUIRKS <<
1099 3054
1100 config FSL_PMC !! 3055 config EISA
>> 3056 bool "EISA support"
>> 3057 depends on HW_HAS_EISA
>> 3058 select ISA
>> 3059 select GENERIC_ISA_DMA
>> 3060 ---help---
>> 3061 The Extended Industry Standard Architecture (EISA) bus was
>> 3062 developed as an open alternative to the IBM MicroChannel bus.
>> 3063
>> 3064 The EISA bus provided some of the features of the IBM MicroChannel
>> 3065 bus while maintaining backward compatibility with cards made for
>> 3066 the older ISA bus. The EISA bus saw limited use between 1988 and
>> 3067 1995 when it was made obsolete by the PCI bus.
>> 3068
>> 3069 Say Y here if you are building a kernel for an EISA-based machine.
>> 3070
>> 3071 Otherwise, say N.
>> 3072
>> 3073 source "drivers/eisa/Kconfig"
>> 3074
>> 3075 config TC
>> 3076 bool "TURBOchannel support"
>> 3077 depends on MACH_DECSTATION
>> 3078 help
>> 3079 TURBOchannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
>> 3080 processors. TURBOchannel programming specifications are available
>> 3081 at:
>> 3082 <ftp://ftp.hp.com/pub/alphaserver/archive/triadd/>
>> 3083 and:
>> 3084 <http://www.computer-refuge.org/classiccmp/ftp.digital.com/pub/DEC/TriAdd/>
>> 3085 Linux driver support status is documented at:
>> 3086 <http://www.linux-mips.org/wiki/DECstation>
>> 3087
>> 3088 config MMU
1101 bool 3089 bool
1102 default y 3090 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 3091
1108 config PPC4xx_CPM !! 3092 config ARCH_MMAP_RND_BITS_MIN
>> 3093 default 12 if 64BIT
>> 3094 default 8
>> 3095
>> 3096 config ARCH_MMAP_RND_BITS_MAX
>> 3097 default 18 if 64BIT
>> 3098 default 15
>> 3099
>> 3100 config ARCH_MMAP_RND_COMPAT_BITS_MIN
>> 3101 default 8
>> 3102
>> 3103 config ARCH_MMAP_RND_COMPAT_BITS_MAX
>> 3104 default 15
>> 3105
>> 3106 config I8253
1109 bool 3107 bool
1110 default y !! 3108 select CLKSRC_I8253
1111 depends on SUSPEND && 44x !! 3109 select CLKEVT_I8253
1112 help !! 3110 select MIPS_EXTERNAL_TIMER
1113 PPC4xx Clock Power Management (CPM) <<
1114 It also enables support for two dif <<
1115 and idle-doze). <<
1116 3111
1117 config FSL_LBC !! 3112 config ZONE_DMA
1118 bool "Freescale Local Bus support" !! 3113 bool
1119 help <<
1120 Enables reporting of errors from th <<
1121 controller. Also contains some com <<
1122 drivers for specific local bus peri <<
1123 3114
1124 config FSL_GTM !! 3115 config ZONE_DMA32
1125 bool 3116 bool
1126 depends on PPC_83xx || QUICC_ENGINE | <<
1127 help <<
1128 Freescale General-purpose Timers su <<
1129 3117
1130 config FSL_RIO !! 3118 source "drivers/pcmcia/Kconfig"
1131 bool "Freescale Embedded SRIO Control !! 3119
1132 depends on RAPIDIO = y && HAVE_RAPIDI !! 3120 config RAPIDIO
1133 default "n" !! 3121 tristate "RapidIO support"
>> 3122 depends on PCI
>> 3123 default n
1134 help 3124 help
1135 Include support for RapidIO control !! 3125 If you say Y here, the kernel will include drivers and
1136 processors (MPC8548, MPC8641, etc). !! 3126 infrastructure code to support RapidIO interconnect devices.
>> 3127
>> 3128 source "drivers/rapidio/Kconfig"
1137 3129
1138 endmenu 3130 endmenu
1139 3131
1140 config NONSTATIC_KERNEL !! 3132 menu "Executable file formats"
>> 3133
>> 3134 source "fs/Kconfig.binfmt"
>> 3135
>> 3136 config TRAD_SIGNALS
1141 bool 3137 bool
1142 3138
1143 menu "Advanced setup" !! 3139 config MIPS32_COMPAT
1144 depends on PPC32 !! 3140 bool
1145 3141
1146 config ADVANCED_OPTIONS !! 3142 config COMPAT
1147 bool "Prompt for advanced kernel conf !! 3143 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 3144
1154 Unless you know what you are doing, !! 3145 config SYSVIPC_COMPAT
>> 3146 bool
1155 3147
1156 comment "Default settings for advanced config !! 3148 config MIPS32_O32
1157 depends on !ADVANCED_OPTIONS !! 3149 bool "Kernel support for o32 binaries"
>> 3150 depends on 64BIT
>> 3151 select ARCH_WANT_OLD_COMPAT_IPC
>> 3152 select COMPAT
>> 3153 select MIPS32_COMPAT
>> 3154 select SYSVIPC_COMPAT if SYSVIPC
>> 3155 help
>> 3156 Select this option if you want to run o32 binaries. These are pure
>> 3157 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
>> 3158 existing binaries are in this format.
1158 3159
1159 config LOWMEM_SIZE_BOOL !! 3160 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 3161
1169 Say N here unless you know what you !! 3162 config MIPS32_N32
>> 3163 bool "Kernel support for n32 binaries"
>> 3164 depends on 64BIT
>> 3165 select COMPAT
>> 3166 select MIPS32_COMPAT
>> 3167 select SYSVIPC_COMPAT if SYSVIPC
>> 3168 help
>> 3169 Select this option if you want to run n32 binaries. These are
>> 3170 64-bit binaries using 32-bit quantities for addressing and certain
>> 3171 data that would normally be 64-bit. They are used in special
>> 3172 cases.
1170 3173
1171 config LOWMEM_SIZE !! 3174 If unsure, say N.
1172 hex "Maximum low memory size (in byte <<
1173 default "0x30000000" <<
1174 3175
1175 config LOWMEM_CAM_NUM_BOOL !! 3176 config BINFMT_ELF32
1176 bool "Set number of CAMs to use to ma !! 3177 bool
1177 depends on ADVANCED_OPTIONS && PPC_85 !! 3178 default y if MIPS32_O32 || MIPS32_N32
1178 help !! 3179 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 3180
1185 Say N here unless you know what you !! 3181 endmenu
1186 3182
1187 config LOWMEM_CAM_NUM !! 3183 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 3184
1195 config DYNAMIC_MEMSTART !! 3185 config ARCH_HIBERNATION_POSSIBLE
1196 bool "Enable page aligned dynamic loa !! 3186 def_bool y
1197 depends on ADVANCED_OPTIONS && FLATME !! 3187 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 3188
1250 Say N here unless you know what you !! 3189 config ARCH_SUSPEND_POSSIBLE
>> 3190 def_bool y
>> 3191 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
1251 3192
1252 config PHYSICAL_START !! 3193 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 3194
1299 endmenu 3195 endmenu
1300 3196
1301 if PPC64 !! 3197 config MIPS_EXTERNAL_TIMER
1302 # This value must have zeroes in the bottom 6 !! 3198 bool
1303 config PAGE_OFFSET !! 3199
1304 hex !! 3200 menu "CPU Power Management"
1305 default "0xc000000000000000" !! 3201
1306 config KERNEL_START !! 3202 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIMER
1307 hex !! 3203 source "drivers/cpufreq/Kconfig"
1308 default "0xc000000000000000" <<
1309 config PHYSICAL_START <<
1310 hex <<
1311 default "0x00000000" <<
1312 endif 3204 endif
1313 3205
1314 config PPC_LIB_RHEAP !! 3206 source "drivers/cpuidle/Kconfig"
1315 bool !! 3207
>> 3208 endmenu
>> 3209
>> 3210 source "net/Kconfig"
>> 3211
>> 3212 source "drivers/Kconfig"
>> 3213
>> 3214 source "drivers/firmware/Kconfig"
>> 3215
>> 3216 source "fs/Kconfig"
>> 3217
>> 3218 source "arch/mips/Kconfig.debug"
>> 3219
>> 3220 source "security/Kconfig"
>> 3221
>> 3222 source "crypto/Kconfig"
1316 3223
1317 source "arch/powerpc/kvm/Kconfig" !! 3224 source "lib/Kconfig"
1318 3225
1319 source "kernel/livepatch/Kconfig" !! 3226 source "arch/mips/kvm/Kconfig"
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