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TOMOYO Linux Cross Reference
Linux/arch/mips/Kconfig

Version: ~ [ linux-6.12-rc7 ] ~ [ linux-6.11.7 ] ~ [ linux-6.10.14 ] ~ [ linux-6.9.12 ] ~ [ linux-6.8.12 ] ~ [ linux-6.7.12 ] ~ [ linux-6.6.60 ] ~ [ linux-6.5.13 ] ~ [ linux-6.4.16 ] ~ [ linux-6.3.13 ] ~ [ linux-6.2.16 ] ~ [ linux-6.1.116 ] ~ [ linux-6.0.19 ] ~ [ linux-5.19.17 ] ~ [ linux-5.18.19 ] ~ [ linux-5.17.15 ] ~ [ linux-5.16.20 ] ~ [ linux-5.15.171 ] ~ [ linux-5.14.21 ] ~ [ linux-5.13.19 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.229 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.285 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.323 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.336 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.337 ] ~ [ linux-4.4.302 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.12 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

Diff markup

Differences between /arch/mips/Kconfig (Version linux-6.12-rc7) and /arch/sparc/Kconfig (Version linux-5.7.19)


  1 # SPDX-License-Identifier: GPL-2.0             !!   1 # SPDX-License-Identifier: GPL-2.0-only
  2 config MIPS                                    !!   2 config 64BIT
  3         bool                                   !!   3         bool "64-bit kernel" if "$(ARCH)" = "sparc"
  4         default y                              !!   4         default "$(ARCH)" = "sparc64"
  5         select ARCH_32BIT_OFF_T if !64BIT      << 
  6         select ARCH_BINFMT_ELF_STATE if MIPS_F << 
  7         select ARCH_HAS_CPU_CACHE_ALIASING     << 
  8         select ARCH_HAS_CPU_FINALIZE_INIT      << 
  9         select ARCH_HAS_CURRENT_STACK_POINTER  << 
 10         select ARCH_HAS_DEBUG_VIRTUAL if !64BI << 
 11         select ARCH_HAS_DMA_OPS if MACH_JAZZ   << 
 12         select ARCH_HAS_FORTIFY_SOURCE         << 
 13         select ARCH_HAS_KCOV                   << 
 14         select ARCH_HAS_NON_OVERLAPPING_ADDRES << 
 15         select ARCH_HAS_PTE_SPECIAL if !(32BIT << 
 16         select ARCH_HAS_STRNCPY_FROM_USER      << 
 17         select ARCH_HAS_STRNLEN_USER           << 
 18         select ARCH_HAS_TICK_BROADCAST if GENE << 
 19         select ARCH_HAS_UBSAN                  << 
 20         select ARCH_HAS_GCOV_PROFILE_ALL       << 
 21         select ARCH_KEEP_MEMBLOCK              << 
 22         select ARCH_USE_BUILTIN_BSWAP          << 
 23         select ARCH_USE_CMPXCHG_LOCKREF if 64B << 
 24         select ARCH_USE_MEMTEST                << 
 25         select ARCH_USE_QUEUED_RWLOCKS         << 
 26         select ARCH_USE_QUEUED_SPINLOCKS       << 
 27         select ARCH_SUPPORTS_HUGETLBFS if CPU_ << 
 28         select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ << 
 29         select ARCH_WANT_IPC_PARSE_VERSION     << 
 30         select ARCH_WANT_LD_ORPHAN_WARN        << 
 31         select BUILDTIME_TABLE_SORT            << 
 32         select CLONE_BACKWARDS                 << 
 33         select CPU_NO_EFFICIENT_FFS if (TARGET << 
 34         select CPU_PM if CPU_IDLE || SUSPEND   << 
 35         select GENERIC_ATOMIC64 if !64BIT      << 
 36         select GENERIC_CMOS_UPDATE             << 
 37         select GENERIC_CPU_AUTOPROBE           << 
 38         select GENERIC_GETTIMEOFDAY            << 
 39         select GENERIC_IOMAP                   << 
 40         select GENERIC_IRQ_PROBE               << 
 41         select GENERIC_IRQ_SHOW                << 
 42         select GENERIC_ISA_DMA if EISA         << 
 43         select GENERIC_LIB_ASHLDI3             << 
 44         select GENERIC_LIB_ASHRDI3             << 
 45         select GENERIC_LIB_CMPDI2              << 
 46         select GENERIC_LIB_LSHRDI3             << 
 47         select GENERIC_LIB_UCMPDI2             << 
 48         select GENERIC_SCHED_CLOCK if !CAVIUM_ << 
 49         select GENERIC_SMP_IDLE_THREAD         << 
 50         select GENERIC_IDLE_POLL_SETUP         << 
 51         select GENERIC_TIME_VSYSCALL           << 
 52         select GUP_GET_PXX_LOW_HIGH if CPU_MIP << 
 53         select HAS_IOPORT if !NO_IOPORT_MAP || << 
 54         select HAVE_ARCH_COMPILER_H            << 
 55         select HAVE_ARCH_JUMP_LABEL            << 
 56         select HAVE_ARCH_KGDB if MIPS_FP_SUPPO << 
 57         select HAVE_ARCH_MMAP_RND_BITS if MMU  << 
 58         select HAVE_ARCH_MMAP_RND_COMPAT_BITS  << 
 59         select HAVE_ARCH_SECCOMP_FILTER        << 
 60         select HAVE_ARCH_TRACEHOOK             << 
 61         select HAVE_ARCH_TRANSPARENT_HUGEPAGE  << 
 62         select HAVE_ASM_MODVERSIONS            << 
 63         select HAVE_CONTEXT_TRACKING_USER      << 
 64         select HAVE_TIF_NOHZ                   << 
 65         select HAVE_C_RECORDMCOUNT             << 
 66         select HAVE_DEBUG_KMEMLEAK             << 
 67         select HAVE_DEBUG_STACKOVERFLOW        << 
 68         select HAVE_DMA_CONTIGUOUS             << 
 69         select HAVE_DYNAMIC_FTRACE             << 
 70         select HAVE_EBPF_JIT if !CPU_MICROMIPS << 
 71         select HAVE_EXIT_THREAD                << 
 72         select HAVE_GUP_FAST                   << 
 73         select HAVE_FTRACE_MCOUNT_RECORD       << 
 74         select HAVE_FUNCTION_GRAPH_TRACER      << 
 75         select HAVE_FUNCTION_TRACER            << 
 76         select HAVE_GCC_PLUGINS                << 
 77         select HAVE_GENERIC_VDSO               << 
 78         select HAVE_IOREMAP_PROT               << 
 79         select HAVE_IRQ_EXIT_ON_IRQ_STACK      << 
 80         select HAVE_IRQ_TIME_ACCOUNTING        << 
 81         select HAVE_KPROBES                    << 
 82         select HAVE_KRETPROBES                 << 
 83         select HAVE_LD_DEAD_CODE_DATA_ELIMINAT << 
 84         select HAVE_MOD_ARCH_SPECIFIC          << 
 85         select HAVE_NMI                        << 
 86         select HAVE_PAGE_SIZE_4KB if !CPU_LOON << 
 87         select HAVE_PAGE_SIZE_16KB if !CPU_R30 << 
 88         select HAVE_PAGE_SIZE_64KB if !CPU_R30 << 
 89         select HAVE_PERF_EVENTS                << 
 90         select HAVE_PERF_REGS                  << 
 91         select HAVE_PERF_USER_STACK_DUMP       << 
 92         select HAVE_REGS_AND_STACK_ACCESS_API  << 
 93         select HAVE_RSEQ                       << 
 94         select HAVE_SPARSE_SYSCALL_NR          << 
 95         select HAVE_STACKPROTECTOR             << 
 96         select HAVE_SYSCALL_TRACEPOINTS        << 
 97         select HAVE_VIRT_CPU_ACCOUNTING_GEN if << 
 98         select IRQ_FORCED_THREADING            << 
 99         select ISA if EISA                     << 
100         select LOCK_MM_AND_FIND_VMA            << 
101         select MODULES_USE_ELF_REL if MODULES  << 
102         select MODULES_USE_ELF_RELA if MODULES << 
103         select PERF_USE_VMALLOC                << 
104         select PCI_MSI_ARCH_FALLBACKS if PCI_M << 
105         select RTC_LIB                         << 
106         select SYSCTL_EXCEPTION_TRACE          << 
107         select TRACE_IRQFLAGS_SUPPORT          << 
108         select ARCH_HAS_ELFCORE_COMPAT         << 
109         select HAVE_ARCH_KCSAN if 64BIT        << 
110                                                << 
111 config MIPS_FIXUP_BIGPHYS_ADDR                 << 
112         bool                                   << 
113                                                << 
114 config MIPS_GENERIC                            << 
115         bool                                   << 
116                                                << 
117 config MACH_GENERIC_CORE                       << 
118         bool                                   << 
119                                                << 
120 config MACH_INGENIC                            << 
121         bool                                   << 
122         select SYS_SUPPORTS_32BIT_KERNEL       << 
123         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
124         select SYS_SUPPORTS_ZBOOT              << 
125         select DMA_NONCOHERENT                 << 
126         select IRQ_MIPS_CPU                    << 
127         select PINCTRL                         << 
128         select GPIOLIB                         << 
129         select COMMON_CLK                      << 
130         select GENERIC_IRQ_CHIP                << 
131         select BUILTIN_DTB if MIPS_NO_APPENDED << 
132         select USE_OF                          << 
133         select CPU_SUPPORTS_CPUFREQ            << 
134         select MIPS_EXTERNAL_TIMER             << 
135                                                << 
136 menu "Machine selection"                       << 
137                                                << 
138 choice                                         << 
139         prompt "System type"                   << 
140         default MIPS_GENERIC_KERNEL            << 
141                                                << 
142 config MIPS_GENERIC_KERNEL                     << 
143         bool "Generic board-agnostic MIPS kern << 
144         select MIPS_GENERIC                    << 
145         select BOOT_RAW                        << 
146         select BUILTIN_DTB                     << 
147         select CEVT_R4K                        << 
148         select CLKSRC_MIPS_GIC                 << 
149         select COMMON_CLK                      << 
150         select CPU_MIPSR2_IRQ_EI               << 
151         select CPU_MIPSR2_IRQ_VI               << 
152         select CSRC_R4K                        << 
153         select DMA_NONCOHERENT                 << 
154         select HAVE_PCI                        << 
155         select IRQ_MIPS_CPU                    << 
156         select MACH_GENERIC_CORE               << 
157         select MIPS_AUTO_PFN_OFFSET            << 
158         select MIPS_CPU_SCACHE                 << 
159         select MIPS_GIC                        << 
160         select MIPS_L1_CACHE_SHIFT_7           << 
161         select NO_EXCEPT_FILL                  << 
162         select PCI_DRIVERS_GENERIC             << 
163         select SMP_UP if SMP                   << 
164         select SWAP_IO_SPACE                   << 
165         select SYS_HAS_CPU_MIPS32_R1           << 
166         select SYS_HAS_CPU_MIPS32_R2           << 
167         select SYS_HAS_CPU_MIPS32_R5           << 
168         select SYS_HAS_CPU_MIPS32_R6           << 
169         select SYS_HAS_CPU_MIPS64_R1           << 
170         select SYS_HAS_CPU_MIPS64_R2           << 
171         select SYS_HAS_CPU_MIPS64_R5           << 
172         select SYS_HAS_CPU_MIPS64_R6           << 
173         select SYS_SUPPORTS_32BIT_KERNEL       << 
174         select SYS_SUPPORTS_64BIT_KERNEL       << 
175         select SYS_SUPPORTS_BIG_ENDIAN         << 
176         select SYS_SUPPORTS_HIGHMEM            << 
177         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
178         select SYS_SUPPORTS_MICROMIPS          << 
179         select SYS_SUPPORTS_MIPS16             << 
180         select SYS_SUPPORTS_MIPS_CPS           << 
181         select SYS_SUPPORTS_MULTITHREADING     << 
182         select SYS_SUPPORTS_RELOCATABLE        << 
183         select SYS_SUPPORTS_SMARTMIPS          << 
184         select SYS_SUPPORTS_ZBOOT              << 
185         select UHI_BOOT                        << 
186         select USB_EHCI_BIG_ENDIAN_DESC if CPU << 
187         select USB_EHCI_BIG_ENDIAN_MMIO if CPU << 
188         select USB_OHCI_BIG_ENDIAN_DESC if CPU << 
189         select USB_OHCI_BIG_ENDIAN_MMIO if CPU << 
190         select USB_UHCI_BIG_ENDIAN_DESC if CPU << 
191         select USB_UHCI_BIG_ENDIAN_MMIO if CPU << 
192         select USE_OF                          << 
193         help                                   << 
194           Select this to build a kernel which  << 
195           generally using a flattened device t << 
196           using the boot protocol defined in t << 
197           Interface) specification.            << 
198                                                << 
199 config MIPS_ALCHEMY                            << 
200         bool "Alchemy processor based machines << 
201         select PHYS_ADDR_T_64BIT               << 
202         select CEVT_R4K                        << 
203         select CSRC_R4K                        << 
204         select IRQ_MIPS_CPU                    << 
205         select DMA_NONCOHERENT          # Au10 << 
206         select MIPS_FIXUP_BIGPHYS_ADDR if PCI  << 
207         select SYS_HAS_CPU_MIPS32_R1           << 
208         select SYS_SUPPORTS_32BIT_KERNEL       << 
209         select SYS_SUPPORTS_APM_EMULATION      << 
210         select GPIOLIB                         << 
211         select SYS_SUPPORTS_ZBOOT              << 
212         select COMMON_CLK                      << 
213                                                << 
214 config ATH25                                   << 
215         bool "Atheros AR231x/AR531x SoC suppor << 
216         select CEVT_R4K                        << 
217         select CSRC_R4K                        << 
218         select DMA_NONCOHERENT                 << 
219         select IRQ_MIPS_CPU                    << 
220         select IRQ_DOMAIN                      << 
221         select SYS_HAS_CPU_MIPS32_R1           << 
222         select SYS_SUPPORTS_BIG_ENDIAN         << 
223         select SYS_SUPPORTS_32BIT_KERNEL       << 
224         select SYS_HAS_EARLY_PRINTK            << 
225         help                                   << 
226           Support for Atheros AR231x and Ather << 
227                                                << 
228 config ATH79                                   << 
229         bool "Atheros AR71XX/AR724X/AR913X bas << 
230         select ARCH_HAS_RESET_CONTROLLER       << 
231         select BOOT_RAW                        << 
232         select CEVT_R4K                        << 
233         select CSRC_R4K                        << 
234         select DMA_NONCOHERENT                 << 
235         select GPIOLIB                         << 
236         select PINCTRL                         << 
237         select COMMON_CLK                      << 
238         select IRQ_MIPS_CPU                    << 
239         select SYS_HAS_CPU_MIPS32_R2           << 
240         select SYS_HAS_EARLY_PRINTK            << 
241         select SYS_SUPPORTS_32BIT_KERNEL       << 
242         select SYS_SUPPORTS_BIG_ENDIAN         << 
243         select SYS_SUPPORTS_MIPS16             << 
244         select SYS_SUPPORTS_ZBOOT_UART_PROM    << 
245         select USE_OF                          << 
246         select USB_EHCI_ROOT_HUB_TT if USB_EHC << 
247         help                                   << 
248           Support for the Atheros AR71XX/AR724 << 
249                                                << 
250 config BMIPS_GENERIC                           << 
251         bool "Broadcom Generic BMIPS kernel"   << 
252         select ARCH_HAS_RESET_CONTROLLER       << 
253         select ARCH_HAS_SYNC_DMA_FOR_CPU_ALL   << 
254         select BOOT_RAW                        << 
255         select NO_EXCEPT_FILL                  << 
256         select USE_OF                          << 
257         select CEVT_R4K                        << 
258         select CSRC_R4K                        << 
259         select SYNC_R4K                        << 
260         select COMMON_CLK                      << 
261         select BCM6345_L1_IRQ                  << 
262         select BCM7038_L1_IRQ                  << 
263         select BCM7120_L2_IRQ                  << 
264         select BRCMSTB_L2_IRQ                  << 
265         select IRQ_MIPS_CPU                    << 
266         select DMA_NONCOHERENT                 << 
267         select SYS_SUPPORTS_32BIT_KERNEL       << 
268         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
269         select SYS_SUPPORTS_BIG_ENDIAN         << 
270         select SYS_SUPPORTS_HIGHMEM            << 
271         select SYS_HAS_CPU_BMIPS32_3300        << 
272         select SYS_HAS_CPU_BMIPS4350           << 
273         select SYS_HAS_CPU_BMIPS4380           << 
274         select SYS_HAS_CPU_BMIPS5000           << 
275         select SWAP_IO_SPACE                   << 
276         select USB_EHCI_BIG_ENDIAN_DESC if CPU << 
277         select USB_EHCI_BIG_ENDIAN_MMIO if CPU << 
278         select USB_OHCI_BIG_ENDIAN_DESC if CPU << 
279         select USB_OHCI_BIG_ENDIAN_MMIO if CPU << 
280         select HARDIRQS_SW_RESEND              << 
281         select HAVE_PCI                        << 
282         select PCI_DRIVERS_GENERIC             << 
283         select FW_CFE                          << 
284         help                                   << 
285           Build a generic DT-based kernel imag << 
286           BCM33xx cable modem chips, BCM63xx D << 
287           box chips.  Note that CONFIG_CPU_BIG << 
288           must be set appropriately for your b << 
289                                                << 
290 config BCM47XX                                 << 
291         bool "Broadcom BCM47XX based boards"   << 
292         select BOOT_RAW                        << 
293         select CEVT_R4K                        << 
294         select CSRC_R4K                        << 
295         select DMA_NONCOHERENT                 << 
296         select HAVE_PCI                        << 
297         select IRQ_MIPS_CPU                    << 
298         select SYS_HAS_CPU_MIPS32_R1           << 
299         select NO_EXCEPT_FILL                  << 
300         select SYS_SUPPORTS_32BIT_KERNEL       << 
301         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
302         select SYS_SUPPORTS_MIPS16             << 
303         select SYS_SUPPORTS_ZBOOT              << 
304         select SYS_HAS_EARLY_PRINTK            << 
305         select USE_GENERIC_EARLY_PRINTK_8250   << 
306         select GPIOLIB                         << 
307         select LEDS_GPIO_REGISTER              << 
308         select BCM47XX_NVRAM                   << 
309         select BCM47XX_SPROM                   << 
310         select BCM47XX_SSB if !BCM47XX_BCMA    << 
311         help                                   << 
312           Support for BCM47XX based boards     << 
313                                                << 
314 config BCM63XX                                 << 
315         bool "Broadcom BCM63XX based boards"   << 
316         select BOOT_RAW                        << 
317         select CEVT_R4K                        << 
318         select CSRC_R4K                        << 
319         select SYNC_R4K                        << 
320         select DMA_NONCOHERENT                 << 
321         select IRQ_MIPS_CPU                    << 
322         select SYS_SUPPORTS_32BIT_KERNEL       << 
323         select SYS_SUPPORTS_BIG_ENDIAN         << 
324         select SYS_HAS_EARLY_PRINTK            << 
325         select SYS_HAS_CPU_BMIPS32_3300        << 
326         select SYS_HAS_CPU_BMIPS4350           << 
327         select SYS_HAS_CPU_BMIPS4380           << 
328         select SWAP_IO_SPACE                   << 
329         select GPIOLIB                         << 
330         select MIPS_L1_CACHE_SHIFT_4           << 
331         select HAVE_LEGACY_CLK                 << 
332         help                                   << 
333           Support for BCM63XX based boards     << 
334                                                << 
335 config MIPS_COBALT                             << 
336         bool "Cobalt Server"                   << 
337         select CEVT_R4K                        << 
338         select CSRC_R4K                        << 
339         select CEVT_GT641XX                    << 
340         select DMA_NONCOHERENT                 << 
341         select FORCE_PCI                       << 
342         select I8253                           << 
343         select I8259                           << 
344         select IRQ_MIPS_CPU                    << 
345         select IRQ_GT641XX                     << 
346         select PCI_GT64XXX_PCI0                << 
347         select SYS_HAS_CPU_NEVADA              << 
348         select SYS_HAS_EARLY_PRINTK            << 
349         select SYS_SUPPORTS_32BIT_KERNEL       << 
350         select SYS_SUPPORTS_64BIT_KERNEL       << 
351         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
352         select USE_GENERIC_EARLY_PRINTK_8250   << 
353                                                << 
354 config MACH_DECSTATION                         << 
355         bool "DECstations"                     << 
356         select BOOT_ELF32                      << 
357         select CEVT_DS1287                     << 
358         select CEVT_R4K if CPU_R4X00           << 
359         select CSRC_IOASIC                     << 
360         select CSRC_R4K if CPU_R4X00           << 
361         select CPU_DADDI_WORKAROUNDS if 64BIT  << 
362         select CPU_R4000_WORKAROUNDS if 64BIT  << 
363         select CPU_R4400_WORKAROUNDS if 64BIT  << 
364         select DMA_NONCOHERENT                 << 
365         select NO_IOPORT_MAP                   << 
366         select IRQ_MIPS_CPU                    << 
367         select SYS_HAS_CPU_R3000               << 
368         select SYS_HAS_CPU_R4X00               << 
369         select SYS_SUPPORTS_32BIT_KERNEL       << 
370         select SYS_SUPPORTS_64BIT_KERNEL       << 
371         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
372         select SYS_SUPPORTS_128HZ              << 
373         select SYS_SUPPORTS_256HZ              << 
374         select SYS_SUPPORTS_1024HZ             << 
375         select MIPS_L1_CACHE_SHIFT_4           << 
376         help                                   << 
377           This enables support for DEC's MIPS  << 
378           see the Linux/MIPS FAQ on <http://ww << 
379           DECstation porting pages on <http:// << 
380                                                << 
381           If you have one of the following DEC << 
382           want to choose R4xx0 for the CPU Typ << 
383                                                << 
384                 DECstation 5000/50             << 
385                 DECstation 5000/150            << 
386                 DECstation 5000/260            << 
387                 DECsystem 5900/260             << 
388                                                << 
389           otherwise choose R3000.              << 
390                                                << 
391 config MACH_JAZZ                               << 
392         bool "Jazz family of machines"         << 
393         select ARC_MEMORY                      << 
394         select ARC_PROMLIB                     << 
395         select ARCH_MIGHT_HAVE_PC_PARPORT      << 
396         select ARCH_MIGHT_HAVE_PC_SERIO        << 
397         select FW_ARC                          << 
398         select FW_ARC32                        << 
399         select ARCH_MAY_HAVE_PC_FDC            << 
400         select CEVT_R4K                        << 
401         select CSRC_R4K                        << 
402         select DEFAULT_SGI_PARTITION if CPU_BI << 
403         select GENERIC_ISA_DMA                 << 
404         select HAVE_PCSPKR_PLATFORM            << 
405         select IRQ_MIPS_CPU                    << 
406         select I8253                           << 
407         select I8259                           << 
408         select ISA                             << 
409         select SYS_HAS_CPU_R4X00               << 
410         select SYS_SUPPORTS_32BIT_KERNEL       << 
411         select SYS_SUPPORTS_64BIT_KERNEL       << 
412         select SYS_SUPPORTS_100HZ              << 
413         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
414         help                                   << 
415           This a family of machines based on t << 
416           used by several vendors to build RIS << 
417           Members include the Acer PICA, MIPS  << 
418           Olivetti M700-10 workstations.       << 
419                                                << 
420 config MACH_INGENIC_SOC                        << 
421         bool "Ingenic SoC based machines"      << 
422         select MIPS_GENERIC                    << 
423         select MACH_INGENIC                    << 
424         select MACH_GENERIC_CORE               << 
425         select SYS_SUPPORTS_ZBOOT_UART16550    << 
426         select CPU_SUPPORTS_CPUFREQ            << 
427         select MIPS_EXTERNAL_TIMER             << 
428                                                << 
429 config LANTIQ                                  << 
430         bool "Lantiq based platforms"          << 
431         select DMA_NONCOHERENT                 << 
432         select IRQ_MIPS_CPU                    << 
433         select CEVT_R4K                        << 
434         select CSRC_R4K                        << 
435         select NO_EXCEPT_FILL                  << 
436         select SYS_HAS_CPU_MIPS32_R1           << 
437         select SYS_HAS_CPU_MIPS32_R2           << 
438         select SYS_SUPPORTS_BIG_ENDIAN         << 
439         select SYS_SUPPORTS_32BIT_KERNEL       << 
440         select SYS_SUPPORTS_MIPS16             << 
441         select SYS_SUPPORTS_MULTITHREADING     << 
442         select SYS_SUPPORTS_VPE_LOADER         << 
443         select SYS_HAS_EARLY_PRINTK            << 
444         select GPIOLIB                         << 
445         select SWAP_IO_SPACE                   << 
446         select BOOT_RAW                        << 
447         select HAVE_LEGACY_CLK                 << 
448         select USE_OF                          << 
449         select PINCTRL                         << 
450         select PINCTRL_LANTIQ                  << 
451         select ARCH_HAS_RESET_CONTROLLER       << 
452         select RESET_CONTROLLER                << 
453                                                << 
454 config MACH_LOONGSON32                         << 
455         bool "Loongson 32-bit family of machin << 
456         select SYS_SUPPORTS_ZBOOT              << 
457         help                                   << 
458           This enables support for the Loongso << 
459                                                << 
460           Loongson-1 is a family of 32-bit MIP << 
461           the Institute of Computing Technolog << 
462           Sciences (CAS).                      << 
463                                                << 
464 config MACH_LOONGSON2EF                        << 
465         bool "Loongson-2E/F family of machines << 
466         select SYS_SUPPORTS_ZBOOT              << 
467         help                                   << 
468           This enables the support of early Lo << 
469                                                << 
470 config MACH_LOONGSON64                         << 
471         bool "Loongson 64-bit family of machin << 
472         select ARCH_DMA_DEFAULT_COHERENT       << 
473         select ARCH_SPARSEMEM_ENABLE           << 
474         select ARCH_MIGHT_HAVE_PC_PARPORT      << 
475         select ARCH_MIGHT_HAVE_PC_SERIO        << 
476         select GENERIC_ISA_DMA_SUPPORT_BROKEN  << 
477         select BOOT_ELF32                      << 
478         select BOARD_SCACHE                    << 
479         select CSRC_R4K                        << 
480         select CEVT_R4K                        << 
481         select SYNC_R4K                        << 
482         select FORCE_PCI                       << 
483         select ISA                             << 
484         select I8259                           << 
485         select IRQ_MIPS_CPU                    << 
486         select NO_EXCEPT_FILL                  << 
487         select NR_CPUS_DEFAULT_64              << 
488         select USE_GENERIC_EARLY_PRINTK_8250   << 
489         select PCI_DRIVERS_GENERIC             << 
490         select SYS_HAS_CPU_LOONGSON64          << 
491         select SYS_HAS_EARLY_PRINTK            << 
492         select SYS_SUPPORTS_SMP                << 
493         select SYS_SUPPORTS_HOTPLUG_CPU        << 
494         select SYS_SUPPORTS_NUMA               << 
495         select SYS_SUPPORTS_64BIT_KERNEL       << 
496         select SYS_SUPPORTS_HIGHMEM            << 
497         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
498         select SYS_SUPPORTS_ZBOOT              << 
499         select SYS_SUPPORTS_RELOCATABLE        << 
500         select ZONE_DMA32                      << 
501         select COMMON_CLK                      << 
502         select USE_OF                          << 
503         select BUILTIN_DTB                     << 
504         select PCI_HOST_GENERIC                << 
505         help                                   << 
506           This enables the support of Loongson << 
507                                                << 
508           Loongson-2 and Loongson-3 are 64-bit << 
509           GS264/GS464/GS464E/GS464V microarchi << 
510           and Loongson-2F which will be remove << 
511           of Computing Technology (ICT), Chine << 
512                                                << 
513 config MIPS_MALTA                              << 
514         bool "MIPS Malta board"                << 
515         select ARCH_MAY_HAVE_PC_FDC            << 
516         select ARCH_MIGHT_HAVE_PC_PARPORT      << 
517         select ARCH_MIGHT_HAVE_PC_SERIO        << 
518         select BOOT_ELF32                      << 
519         select BOOT_RAW                        << 
520         select BUILTIN_DTB                     << 
521         select CEVT_R4K                        << 
522         select CLKSRC_MIPS_GIC                 << 
523         select COMMON_CLK                      << 
524         select CSRC_R4K                        << 
525         select DMA_NONCOHERENT                 << 
526         select GENERIC_ISA_DMA                 << 
527         select HAVE_PCSPKR_PLATFORM            << 
528         select HAVE_PCI                        << 
529         select I8253                           << 
530         select I8259                           << 
531         select IRQ_MIPS_CPU                    << 
532         select MIPS_BONITO64                   << 
533         select MIPS_CPU_SCACHE                 << 
534         select MIPS_GIC                        << 
535         select MIPS_L1_CACHE_SHIFT_6           << 
536         select MIPS_MSC                        << 
537         select PCI_GT64XXX_PCI0                << 
538         select SMP_UP if SMP                   << 
539         select SWAP_IO_SPACE                   << 
540         select SYS_HAS_CPU_MIPS32_R1           << 
541         select SYS_HAS_CPU_MIPS32_R2           << 
542         select SYS_HAS_CPU_MIPS32_R3_5         << 
543         select SYS_HAS_CPU_MIPS32_R5           << 
544         select SYS_HAS_CPU_MIPS32_R6           << 
545         select SYS_HAS_CPU_MIPS64_R1           << 
546         select SYS_HAS_CPU_MIPS64_R2           << 
547         select SYS_HAS_CPU_MIPS64_R6           << 
548         select SYS_HAS_CPU_NEVADA              << 
549         select SYS_HAS_CPU_RM7000              << 
550         select SYS_SUPPORTS_32BIT_KERNEL       << 
551         select SYS_SUPPORTS_64BIT_KERNEL       << 
552         select SYS_SUPPORTS_BIG_ENDIAN         << 
553         select SYS_SUPPORTS_HIGHMEM            << 
554         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
555         select SYS_SUPPORTS_MICROMIPS          << 
556         select SYS_SUPPORTS_MIPS16             << 
557         select SYS_SUPPORTS_MIPS_CPS           << 
558         select SYS_SUPPORTS_MULTITHREADING     << 
559         select SYS_SUPPORTS_RELOCATABLE        << 
560         select SYS_SUPPORTS_SMARTMIPS          << 
561         select SYS_SUPPORTS_VPE_LOADER         << 
562         select SYS_SUPPORTS_ZBOOT              << 
563         select USE_OF                          << 
564         select WAR_ICACHE_REFILLS              << 
565         select ZONE_DMA32 if 64BIT             << 
566         help                                   << 
567           This enables support for the MIPS Te << 
568           board.                               << 
569                                                << 
570 config MACH_PIC32                              << 
571         bool "Microchip PIC32 Family"          << 
572         help                                        5         help
573           This enables support for the Microch !!   6           SPARC is a family of RISC microprocessors designed and marketed by
                                                   >>   7           Sun Microsystems, incorporated.  They are very widely found in Sun
                                                   >>   8           workstations and clones.
574                                                     9 
575           Microchip PIC32 is a family of gener !!  10           Say yes to build a 64-bit kernel - formerly known as sparc64
576           microcontrollers.                    !!  11           Say no to build a 32-bit kernel - formerly known as sparc
577                                                << 
578 config EYEQ                                    << 
579         bool "Mobileye EyeQ SoC"               << 
580         select MACH_GENERIC_CORE               << 
581         select ARM_AMBA                        << 
582         select PHYSICAL_START_BOOL             << 
583         select ARCH_SPARSEMEM_DEFAULT if 64BIT << 
584         select BOOT_RAW                        << 
585         select BUILTIN_DTB                     << 
586         select CEVT_R4K                        << 
587         select CLKSRC_MIPS_GIC                 << 
588         select COMMON_CLK                      << 
589         select CPU_MIPSR2_IRQ_EI               << 
590         select CPU_MIPSR2_IRQ_VI               << 
591         select CSRC_R4K                        << 
592         select DMA_NONCOHERENT                 << 
593         select HAVE_PCI                        << 
594         select IRQ_MIPS_CPU                    << 
595         select MIPS_AUTO_PFN_OFFSET            << 
596         select MIPS_CPU_SCACHE                 << 
597         select MIPS_GIC                        << 
598         select MIPS_L1_CACHE_SHIFT_7           << 
599         select PCI_DRIVERS_GENERIC             << 
600         select SMP_UP if SMP                   << 
601         select SWAP_IO_SPACE                   << 
602         select SYS_HAS_CPU_MIPS64_R6           << 
603         select SYS_SUPPORTS_64BIT_KERNEL       << 
604         select SYS_SUPPORTS_HIGHMEM            << 
605         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
606         select SYS_SUPPORTS_MIPS_CPS           << 
607         select SYS_SUPPORTS_RELOCATABLE        << 
608         select SYS_SUPPORTS_ZBOOT              << 
609         select UHI_BOOT                        << 
610         select USB_EHCI_BIG_ENDIAN_DESC if CPU << 
611         select USB_EHCI_BIG_ENDIAN_MMIO if CPU << 
612         select USB_OHCI_BIG_ENDIAN_DESC if CPU << 
613         select USB_OHCI_BIG_ENDIAN_MMIO if CPU << 
614         select USB_UHCI_BIG_ENDIAN_DESC if CPU << 
615         select USB_UHCI_BIG_ENDIAN_MMIO if CPU << 
616         select USE_OF                          << 
617         help                                   << 
618           Select this to build a kernel suppor << 
619                                                    12 
                                                   >>  13 config SPARC
620         bool                                       14         bool
621                                                !!  15         default y
622 config MACH_NINTENDO64                         !!  16         select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
623         bool "Nintendo 64 console"             << 
624         select CEVT_R4K                        << 
625         select CSRC_R4K                        << 
626         select SYS_HAS_CPU_R4300               << 
627         select SYS_SUPPORTS_BIG_ENDIAN         << 
628         select SYS_SUPPORTS_ZBOOT              << 
629         select SYS_SUPPORTS_32BIT_KERNEL       << 
630         select SYS_SUPPORTS_64BIT_KERNEL       << 
631         select DMA_NONCOHERENT                 << 
632         select IRQ_MIPS_CPU                    << 
633                                                << 
634 config RALINK                                  << 
635         bool "Ralink based machines"           << 
636         select CEVT_R4K                        << 
637         select COMMON_CLK                      << 
638         select CSRC_R4K                        << 
639         select BOOT_RAW                        << 
640         select DMA_NONCOHERENT                 << 
641         select IRQ_MIPS_CPU                    << 
642         select USE_OF                          << 
643         select SYS_HAS_CPU_MIPS32_R2           << 
644         select SYS_SUPPORTS_32BIT_KERNEL       << 
645         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
646         select SYS_SUPPORTS_MIPS16             << 
647         select SYS_SUPPORTS_ZBOOT              << 
648         select SYS_HAS_EARLY_PRINTK            << 
649         select ARCH_HAS_RESET_CONTROLLER       << 
650         select RESET_CONTROLLER                << 
651                                                << 
652 config MACH_REALTEK_RTL                        << 
653         bool "Realtek RTL838x/RTL839x based ma << 
654         select MIPS_GENERIC                    << 
655         select MACH_GENERIC_CORE               << 
656         select DMA_NONCOHERENT                 << 
657         select IRQ_MIPS_CPU                    << 
658         select CSRC_R4K                        << 
659         select CEVT_R4K                        << 
660         select SYS_HAS_CPU_MIPS32_R1           << 
661         select SYS_HAS_CPU_MIPS32_R2           << 
662         select SYS_SUPPORTS_BIG_ENDIAN         << 
663         select SYS_SUPPORTS_32BIT_KERNEL       << 
664         select SYS_SUPPORTS_MIPS16             << 
665         select SYS_SUPPORTS_MULTITHREADING     << 
666         select SYS_SUPPORTS_VPE_LOADER         << 
667         select BOOT_RAW                        << 
668         select PINCTRL                         << 
669         select USE_OF                          << 
670         select REALTEK_OTTO_TIMER              << 
671                                                << 
672 config SGI_IP22                                << 
673         bool "SGI IP22 (Indy/Indigo2)"         << 
674         select ARC_MEMORY                      << 
675         select ARC_PROMLIB                     << 
676         select FW_ARC                          << 
677         select FW_ARC32                        << 
678         select ARCH_MIGHT_HAVE_PC_SERIO        << 
679         select BOOT_ELF32                      << 
680         select CEVT_R4K                        << 
681         select CSRC_R4K                        << 
682         select DEFAULT_SGI_PARTITION           << 
683         select DMA_NONCOHERENT                 << 
684         select HAVE_EISA                       << 
685         select I8253                           << 
686         select I8259                           << 
687         select IP22_CPU_SCACHE                 << 
688         select IRQ_MIPS_CPU                    << 
689         select GENERIC_ISA_DMA_SUPPORT_BROKEN  << 
690         select SGI_HAS_I8042                   << 
691         select SGI_HAS_INDYDOG                 << 
692         select SGI_HAS_HAL2                    << 
693         select SGI_HAS_SEEQ                    << 
694         select SGI_HAS_WD93                    << 
695         select SGI_HAS_ZILOG                   << 
696         select SWAP_IO_SPACE                   << 
697         select SYS_HAS_CPU_R4X00               << 
698         select SYS_HAS_CPU_R5000               << 
699         select SYS_HAS_EARLY_PRINTK            << 
700         select SYS_SUPPORTS_32BIT_KERNEL       << 
701         select SYS_SUPPORTS_64BIT_KERNEL       << 
702         select SYS_SUPPORTS_BIG_ENDIAN         << 
703         select WAR_R4600_V1_INDEX_ICACHEOP     << 
704         select WAR_R4600_V1_HIT_CACHEOP        << 
705         select WAR_R4600_V2_HIT_CACHEOP        << 
706         select MIPS_L1_CACHE_SHIFT_7           << 
707         help                                   << 
708           This are the SGI Indy, Challenge S a << 
709           OEM variants like the Tandem CMN B00 << 
710           that runs on these, say Y here.      << 
711                                                << 
712 config SGI_IP27                                << 
713         bool "SGI IP27 (Origin200/2000)"       << 
714         select ARCH_HAS_PHYS_TO_DMA            << 
715         select ARCH_SPARSEMEM_ENABLE           << 
716         select FW_ARC                          << 
717         select FW_ARC64                        << 
718         select ARC_CMDLINE_ONLY                << 
719         select BOOT_ELF64                      << 
720         select DEFAULT_SGI_PARTITION           << 
721         select FORCE_PCI                       << 
722         select SYS_HAS_EARLY_PRINTK            << 
723         select HAVE_PCI                        << 
724         select IRQ_MIPS_CPU                    << 
725         select IRQ_DOMAIN_HIERARCHY            << 
726         select NR_CPUS_DEFAULT_64              << 
727         select PCI_DRIVERS_GENERIC             << 
728         select PCI_XTALK_BRIDGE                << 
729         select SYS_HAS_CPU_R10000              << 
730         select SYS_SUPPORTS_64BIT_KERNEL       << 
731         select SYS_SUPPORTS_BIG_ENDIAN         << 
732         select SYS_SUPPORTS_NUMA               << 
733         select SYS_SUPPORTS_SMP                << 
734         select WAR_R10000_LLSC                 << 
735         select MIPS_L1_CACHE_SHIFT_7           << 
736         select NUMA                            << 
737         help                                   << 
738           This are the SGI Origin 200, Origin  << 
739           workstations.  To compile a Linux ke << 
740           here.                                << 
741                                                << 
742 config SGI_IP28                                << 
743         bool "SGI IP28 (Indigo2 R10k)"         << 
744         select ARC_MEMORY                      << 
745         select ARC_PROMLIB                     << 
746         select FW_ARC                          << 
747         select FW_ARC64                        << 
748         select ARCH_MIGHT_HAVE_PC_SERIO        << 
749         select BOOT_ELF64                      << 
750         select CEVT_R4K                        << 
751         select CSRC_R4K                        << 
752         select DEFAULT_SGI_PARTITION           << 
753         select DMA_NONCOHERENT                 << 
754         select GENERIC_ISA_DMA_SUPPORT_BROKEN  << 
755         select IRQ_MIPS_CPU                    << 
756         select HAVE_EISA                       << 
757         select I8253                           << 
758         select I8259                           << 
759         select SGI_HAS_I8042                   << 
760         select SGI_HAS_INDYDOG                 << 
761         select SGI_HAS_HAL2                    << 
762         select SGI_HAS_SEEQ                    << 
763         select SGI_HAS_WD93                    << 
764         select SGI_HAS_ZILOG                   << 
765         select SWAP_IO_SPACE                   << 
766         select SYS_HAS_CPU_R10000              << 
767         select SYS_HAS_EARLY_PRINTK            << 
768         select SYS_SUPPORTS_64BIT_KERNEL       << 
769         select SYS_SUPPORTS_BIG_ENDIAN         << 
770         select WAR_R10000_LLSC                 << 
771         select MIPS_L1_CACHE_SHIFT_7           << 
772         help                                   << 
773           This is the SGI Indigo2 with R10000  << 
774           kernel that runs on these, say Y her << 
775                                                << 
776 config SGI_IP30                                << 
777         bool "SGI IP30 (Octane/Octane2)"       << 
778         select ARCH_HAS_PHYS_TO_DMA            << 
779         select FW_ARC                          << 
780         select FW_ARC64                        << 
781         select BOOT_ELF64                      << 
782         select CEVT_R4K                        << 
783         select CSRC_R4K                        << 
784         select FORCE_PCI                       << 
785         select SYNC_R4K if SMP                 << 
786         select ZONE_DMA32                      << 
787         select HAVE_PCI                        << 
788         select IRQ_MIPS_CPU                    << 
789         select IRQ_DOMAIN_HIERARCHY            << 
790         select PCI_DRIVERS_GENERIC             << 
791         select PCI_XTALK_BRIDGE                << 
792         select SYS_HAS_EARLY_PRINTK            << 
793         select SYS_HAS_CPU_R10000              << 
794         select SYS_SUPPORTS_64BIT_KERNEL       << 
795         select SYS_SUPPORTS_BIG_ENDIAN         << 
796         select SYS_SUPPORTS_SMP                << 
797         select WAR_R10000_LLSC                 << 
798         select MIPS_L1_CACHE_SHIFT_7           << 
799         select ARC_MEMORY                      << 
800         help                                   << 
801           These are the SGI Octane and Octane2 << 
802           compile a Linux kernel that runs on  << 
803                                                << 
804 config SGI_IP32                                << 
805         bool "SGI IP32 (O2)"                   << 
806         select ARC_MEMORY                      << 
807         select ARC_PROMLIB                     << 
808         select ARCH_HAS_PHYS_TO_DMA            << 
809         select FW_ARC                          << 
810         select FW_ARC32                        << 
811         select BOOT_ELF32                      << 
812         select CEVT_R4K                        << 
813         select CSRC_R4K                        << 
814         select DMA_NONCOHERENT                 << 
815         select HAVE_PCI                        << 
816         select IRQ_MIPS_CPU                    << 
817         select R5000_CPU_SCACHE                << 
818         select RM7000_CPU_SCACHE               << 
819         select SYS_HAS_CPU_R5000               << 
820         select SYS_HAS_CPU_R10000 if BROKEN    << 
821         select SYS_HAS_CPU_RM7000              << 
822         select SYS_HAS_CPU_NEVADA              << 
823         select SYS_SUPPORTS_64BIT_KERNEL       << 
824         select SYS_SUPPORTS_BIG_ENDIAN         << 
825         select WAR_ICACHE_REFILLS              << 
826         help                                   << 
827           If you want this kernel to run on SG << 
828                                                << 
829 config SIBYTE_CRHONE                           << 
830         bool "Sibyte BCM91125C-CRhone"         << 
831         select BOOT_ELF32                      << 
832         select SIBYTE_BCM1125                  << 
833         select SWAP_IO_SPACE                   << 
834         select SYS_HAS_CPU_SB1                 << 
835         select SYS_SUPPORTS_BIG_ENDIAN         << 
836         select SYS_SUPPORTS_HIGHMEM            << 
837         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
838                                                << 
839 config SIBYTE_RHONE                            << 
840         bool "Sibyte BCM91125E-Rhone"          << 
841         select BOOT_ELF32                      << 
842         select SIBYTE_SB1250                   << 
843         select SWAP_IO_SPACE                   << 
844         select SYS_HAS_CPU_SB1                 << 
845         select SYS_SUPPORTS_BIG_ENDIAN         << 
846         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
847                                                << 
848 config SIBYTE_SWARM                            << 
849         bool "Sibyte BCM91250A-SWARM"          << 
850         select BOOT_ELF32                      << 
851         select HAVE_PATA_PLATFORM              << 
852         select SIBYTE_SB1250                   << 
853         select SWAP_IO_SPACE                   << 
854         select SYS_HAS_CPU_SB1                 << 
855         select SYS_SUPPORTS_BIG_ENDIAN         << 
856         select SYS_SUPPORTS_HIGHMEM            << 
857         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
858         select ZONE_DMA32 if 64BIT             << 
859         select SWIOTLB if ARCH_DMA_ADDR_T_64BI << 
860                                                << 
861 config SIBYTE_LITTLESUR                        << 
862         bool "Sibyte BCM91250C2-LittleSur"     << 
863         select BOOT_ELF32                      << 
864         select HAVE_PATA_PLATFORM              << 
865         select SIBYTE_SB1250                   << 
866         select SWAP_IO_SPACE                   << 
867         select SYS_HAS_CPU_SB1                 << 
868         select SYS_SUPPORTS_BIG_ENDIAN         << 
869         select SYS_SUPPORTS_HIGHMEM            << 
870         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
871         select ZONE_DMA32 if 64BIT             << 
872                                                << 
873 config SIBYTE_SENTOSA                          << 
874         bool "Sibyte BCM91250E-Sentosa"        << 
875         select BOOT_ELF32                      << 
876         select SIBYTE_SB1250                   << 
877         select SWAP_IO_SPACE                   << 
878         select SYS_HAS_CPU_SB1                 << 
879         select SYS_SUPPORTS_BIG_ENDIAN         << 
880         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
881         select SWIOTLB if ARCH_DMA_ADDR_T_64BI << 
882                                                << 
883 config SIBYTE_BIGSUR                           << 
884         bool "Sibyte BCM91480B-BigSur"         << 
885         select BOOT_ELF32                      << 
886         select NR_CPUS_DEFAULT_4               << 
887         select SIBYTE_BCM1x80                  << 
888         select SWAP_IO_SPACE                   << 
889         select SYS_HAS_CPU_SB1                 << 
890         select SYS_SUPPORTS_BIG_ENDIAN         << 
891         select SYS_SUPPORTS_HIGHMEM            << 
892         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
893         select ZONE_DMA32 if 64BIT             << 
894         select SWIOTLB if ARCH_DMA_ADDR_T_64BI << 
895                                                << 
896 config SNI_RM                                  << 
897         bool "SNI RM200/300/400"               << 
898         select ARC_MEMORY                      << 
899         select ARC_PROMLIB                     << 
900         select FW_ARC if CPU_LITTLE_ENDIAN     << 
901         select FW_ARC32 if CPU_LITTLE_ENDIAN   << 
902         select FW_SNIPROM if CPU_BIG_ENDIAN    << 
903         select ARCH_MAY_HAVE_PC_FDC            << 
904         select ARCH_MIGHT_HAVE_PC_PARPORT      << 
905         select ARCH_MIGHT_HAVE_PC_SERIO            17         select ARCH_MIGHT_HAVE_PC_SERIO
906         select BOOT_ELF32                      !!  18         select OF
907         select CEVT_R4K                        !!  19         select OF_PROMTREE
908         select CSRC_R4K                        !!  20         select HAVE_ASM_MODVERSIONS
909         select DEFAULT_SGI_PARTITION if CPU_BI !!  21         select HAVE_IDE
910         select DMA_NONCOHERENT                 !!  22         select HAVE_OPROFILE
911         select GENERIC_ISA_DMA                 !!  23         select HAVE_ARCH_KGDB if !SMP || SPARC64
912         select HAVE_EISA                       !!  24         select HAVE_ARCH_TRACEHOOK
913         select HAVE_PCSPKR_PLATFORM            !!  25         select HAVE_EXIT_THREAD
914         select HAVE_PCI                        << 
915         select IRQ_MIPS_CPU                    << 
916         select I8253                           << 
917         select I8259                           << 
918         select ISA                             << 
919         select MIPS_L1_CACHE_SHIFT_6           << 
920         select SWAP_IO_SPACE if CPU_BIG_ENDIAN << 
921         select SYS_HAS_CPU_R4X00               << 
922         select SYS_HAS_CPU_R5000               << 
923         select SYS_HAS_CPU_R10000              << 
924         select R5000_CPU_SCACHE                << 
925         select SYS_HAS_EARLY_PRINTK            << 
926         select SYS_SUPPORTS_32BIT_KERNEL       << 
927         select SYS_SUPPORTS_64BIT_KERNEL       << 
928         select SYS_SUPPORTS_BIG_ENDIAN         << 
929         select SYS_SUPPORTS_HIGHMEM            << 
930         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
931         select WAR_R4600_V2_HIT_CACHEOP        << 
932         help                                   << 
933           The SNI RM200/300/400 are MIPS-based << 
934           Siemens Nixdorf Informationssysteme  << 
935           Technology and now in turn merged wi << 
936           support this machine type.           << 
937                                                << 
938 config MACH_TX49XX                             << 
939         bool "Toshiba TX49 series based machin << 
940         select WAR_TX49XX_ICACHE_INDEX_INV     << 
941                                                << 
942 config MIKROTIK_RB532                          << 
943         bool "Mikrotik RB532 boards"           << 
944         select CEVT_R4K                        << 
945         select CSRC_R4K                        << 
946         select DMA_NONCOHERENT                 << 
947         select HAVE_PCI                        << 
948         select IRQ_MIPS_CPU                    << 
949         select SYS_HAS_CPU_MIPS32_R1           << 
950         select SYS_SUPPORTS_32BIT_KERNEL       << 
951         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
952         select SWAP_IO_SPACE                   << 
953         select BOOT_RAW                        << 
954         select GPIOLIB                         << 
955         select MIPS_L1_CACHE_SHIFT_4           << 
956         help                                   << 
957           Support the Mikrotik(tm) RouterBoard << 
958           based on the IDT RC32434 SoC.        << 
959                                                << 
960 config CAVIUM_OCTEON_SOC                       << 
961         bool "Cavium Networks Octeon SoC based << 
962         select CEVT_R4K                        << 
963         select ARCH_HAS_PHYS_TO_DMA            << 
964         select HAVE_RAPIDIO                    << 
965         select PHYS_ADDR_T_64BIT               << 
966         select SYS_SUPPORTS_64BIT_KERNEL       << 
967         select SYS_SUPPORTS_BIG_ENDIAN         << 
968         select EDAC_SUPPORT                    << 
969         select EDAC_ATOMIC_SCRUB               << 
970         select SYS_SUPPORTS_LITTLE_ENDIAN      << 
971         select SYS_SUPPORTS_HOTPLUG_CPU if CPU << 
972         select SYS_HAS_EARLY_PRINTK            << 
973         select SYS_HAS_CPU_CAVIUM_OCTEON       << 
974         select HAVE_PCI                            26         select HAVE_PCI
975         select HAVE_PLAT_DELAY                 !!  27         select SYSCTL_EXCEPTION_TRACE
976         select HAVE_PLAT_FW_INIT_CMDLINE       !!  28         select RTC_CLASS
977         select HAVE_PLAT_MEMCPY                !!  29         select RTC_DRV_M48T59
978         select ZONE_DMA32                      !!  30         select RTC_SYSTOHC
979         select GPIOLIB                         !!  31         select HAVE_ARCH_JUMP_LABEL if SPARC64
980         select USE_OF                          !!  32         select GENERIC_IRQ_SHOW
981         select ARCH_SPARSEMEM_ENABLE           !!  33         select ARCH_WANT_IPC_PARSE_VERSION
982         select SYS_SUPPORTS_SMP                !!  34         select GENERIC_PCI_IOMAP
983         select NR_CPUS_DEFAULT_64              !!  35         select HAVE_NMI_WATCHDOG if SPARC64
984         select MIPS_NR_CPU_NR_MAP_1024         !!  36         select HAVE_CBPF_JIT if SPARC32
985         select BUILTIN_DTB                     !!  37         select HAVE_EBPF_JIT if SPARC64
986         select MTD                             !!  38         select HAVE_DEBUG_BUGVERBOSE
987         select MTD_COMPLEX_MAPPINGS            !!  39         select GENERIC_SMP_IDLE_THREAD
988         select SWIOTLB                         !!  40         select GENERIC_CLOCKEVENTS
989         select SYS_SUPPORTS_RELOCATABLE        !!  41         select GENERIC_STRNCPY_FROM_USER
990         help                                   !!  42         select GENERIC_STRNLEN_USER
991           This option supports all of the Octe !!  43         select MODULES_USE_ELF_RELA
992           Networks. It builds a kernel that dy !!  44         select PCI_SYSCALL if PCI
993           CPU type and supports all known boar !!  45         select ODD_RT_SIGACTION
994           Some of the supported boards are:    !!  46         select OLD_SIGSUSPEND
995                 EBT3000                        !!  47         select CPU_NO_EFFICIENT_FFS
996                 EBH3000                        !!  48         select LOCKDEP_SMALL if LOCKDEP
997                 EBH3100                        << 
998                 Thunder                        << 
999                 Kodama                         << 
1000                 Hikari                        << 
1001           Say Y here for most Octeon referenc << 
1002                                               << 
1003 endchoice                                     << 
1004                                               << 
1005 config FIT_IMAGE_FDT_EPM5                     << 
1006         bool "Include FDT for Mobileye EyeQ5  << 
1007         depends on MACH_EYEQ5                 << 
1008         default n                             << 
1009         help                                  << 
1010           Enable this to include the FDT for  << 
1011           from Mobileye in the FIT kernel ima << 
1012           This requires u-boot on the platfor << 
1013                                               << 
1014 source "arch/mips/alchemy/Kconfig"            << 
1015 source "arch/mips/ath25/Kconfig"              << 
1016 source "arch/mips/ath79/Kconfig"              << 
1017 source "arch/mips/bcm47xx/Kconfig"            << 
1018 source "arch/mips/bcm63xx/Kconfig"            << 
1019 source "arch/mips/bmips/Kconfig"              << 
1020 source "arch/mips/generic/Kconfig"            << 
1021 source "arch/mips/ingenic/Kconfig"            << 
1022 source "arch/mips/jazz/Kconfig"               << 
1023 source "arch/mips/lantiq/Kconfig"             << 
1024 source "arch/mips/mobileye/Kconfig"           << 
1025 source "arch/mips/pic32/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/cavium-octeon/Kconfig"      << 
1031 source "arch/mips/loongson2ef/Kconfig"        << 
1032 source "arch/mips/loongson32/Kconfig"         << 
1033 source "arch/mips/loongson64/Kconfig"         << 
1034                                               << 
1035 endmenu                                       << 
1036                                               << 
1037 config GENERIC_HWEIGHT                        << 
1038         bool                                  << 
1039         default y                             << 
1040                                               << 
1041 config GENERIC_CALIBRATE_DELAY                << 
1042         bool                                  << 
1043         default y                             << 
1044                                               << 
1045 config SCHED_OMIT_FRAME_POINTER               << 
1046         bool                                  << 
1047         default y                             << 
1048                                               << 
1049 #                                             << 
1050 # Select some configuration options automatic << 
1051 #                                             << 
1052 config FW_ARC                                 << 
1053         bool                                  << 
1054                                               << 
1055 config ARCH_MAY_HAVE_PC_FDC                   << 
1056         bool                                  << 
1057                                               << 
1058 config BOOT_RAW                               << 
1059         bool                                  << 
1060                                               << 
1061 config CEVT_BCM1480                           << 
1062         bool                                  << 
1063                                               << 
1064 config CEVT_DS1287                            << 
1065         bool                                  << 
1066                                               << 
1067 config CEVT_GT641XX                           << 
1068         bool                                  << 
1069                                               << 
1070 config CEVT_R4K                               << 
1071         bool                                  << 
1072                                               << 
1073 config CEVT_SB1250                            << 
1074         bool                                  << 
1075                                               << 
1076 config CEVT_TXX9                              << 
1077         bool                                  << 
1078                                               << 
1079 config CSRC_BCM1480                           << 
1080         bool                                  << 
1081                                               << 
1082 config CSRC_IOASIC                            << 
1083         bool                                  << 
1084                                               << 
1085 config CSRC_R4K                               << 
1086         select CLOCKSOURCE_WATCHDOG if CPU_FR << 
1087         select HAVE_UNSTABLE_SCHED_CLOCK if S << 
1088         bool                                  << 
1089                                               << 
1090 config CSRC_SB1250                            << 
1091         bool                                  << 
1092                                               << 
1093 config MIPS_CLOCK_VSYSCALL                    << 
1094         def_bool CSRC_R4K || CLKSRC_MIPS_GIC  << 
1095                                               << 
1096 config GPIO_TXX9                              << 
1097         select GPIOLIB                        << 
1098         bool                                  << 
1099                                               << 
1100 config FW_CFE                                 << 
1101         bool                                  << 
1102                                               << 
1103 config ARCH_SUPPORTS_UPROBES                  << 
1104         def_bool y                            << 
1105                                               << 
1106 config DMA_NONCOHERENT                        << 
1107         bool                                  << 
1108         #                                     << 
1109         # MIPS allows mixing "slightly differ << 
1110         # Attribute bits.  It is believed tha << 
1111         # KSEG1 and the implementation specif << 
1112         # by pgprot_writcombine can be mixed, << 
1113         # significant advantages.             << 
1114         #                                     << 
1115         select ARCH_HAS_SETUP_DMA_OPS         << 
1116         select ARCH_HAS_DMA_WRITE_COMBINE     << 
1117         select ARCH_HAS_DMA_PREP_COHERENT     << 
1118         select ARCH_HAS_SYNC_DMA_FOR_CPU      << 
1119         select ARCH_HAS_SYNC_DMA_FOR_DEVICE   << 
1120         select ARCH_HAS_DMA_SET_UNCACHED      << 
1121         select DMA_NONCOHERENT_MMAP           << 
1122         select NEED_DMA_MAP_STATE                 49         select NEED_DMA_MAP_STATE
                                                   >>  50         select NEED_SG_DMA_LENGTH
1123                                                   51 
1124 config SYS_HAS_EARLY_PRINTK                   !!  52 config SPARC32
1125         bool                                  !!  53         def_bool !64BIT
1126                                               !!  54         select ARCH_32BIT_OFF_T
1127 config SYS_SUPPORTS_HOTPLUG_CPU               !!  55         select ARCH_HAS_SYNC_DMA_FOR_CPU
1128         bool                                  !!  56         select GENERIC_ATOMIC64
1129                                               !!  57         select CLZ_TAB
1130 config MIPS_BONITO64                          !!  58         select HAVE_UID16
1131         bool                                  !!  59         select OLD_SIGACTION
1132                                               << 
1133 config MIPS_MSC                               << 
1134         bool                                  << 
1135                                               << 
1136 config SYNC_R4K                               << 
1137         bool                                  << 
1138                                               << 
1139 config NO_IOPORT_MAP                          << 
1140         def_bool n                            << 
1141                                               << 
1142 config GENERIC_CSUM                           << 
1143         def_bool CPU_NO_LOAD_STORE_LR         << 
1144                                               << 
1145 config GENERIC_ISA_DMA                        << 
1146         bool                                  << 
1147         select ZONE_DMA if GENERIC_ISA_DMA_SU << 
1148         select ISA_DMA_API                    << 
1149                                               << 
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN         << 
1151         bool                                  << 
1152         select GENERIC_ISA_DMA                << 
1153                                               << 
1154 config HAVE_PLAT_DELAY                        << 
1155         bool                                  << 
1156                                               << 
1157 config HAVE_PLAT_FW_INIT_CMDLINE              << 
1158         bool                                  << 
1159                                               << 
1160 config HAVE_PLAT_MEMCPY                       << 
1161         bool                                  << 
1162                                                   60 
1163 config ISA_DMA_API                            !!  61 config SPARC64
1164         bool                                  !!  62         def_bool 64BIT
                                                   >>  63         select HAVE_FUNCTION_TRACER
                                                   >>  64         select HAVE_FUNCTION_GRAPH_TRACER
                                                   >>  65         select HAVE_KRETPROBES
                                                   >>  66         select HAVE_KPROBES
                                                   >>  67         select MMU_GATHER_RCU_TABLE_FREE if SMP
                                                   >>  68         select HAVE_MEMBLOCK_NODE_MAP
                                                   >>  69         select HAVE_ARCH_TRANSPARENT_HUGEPAGE
                                                   >>  70         select HAVE_DYNAMIC_FTRACE
                                                   >>  71         select HAVE_FTRACE_MCOUNT_RECORD
                                                   >>  72         select HAVE_SYSCALL_TRACEPOINTS
                                                   >>  73         select HAVE_CONTEXT_TRACKING
                                                   >>  74         select HAVE_TIF_NOHZ
                                                   >>  75         select HAVE_DEBUG_KMEMLEAK
                                                   >>  76         select IOMMU_HELPER
                                                   >>  77         select SPARSE_IRQ
                                                   >>  78         select RTC_DRV_CMOS
                                                   >>  79         select RTC_DRV_BQ4802
                                                   >>  80         select RTC_DRV_SUN4V
                                                   >>  81         select RTC_DRV_STARFIRE
                                                   >>  82         select HAVE_PERF_EVENTS
                                                   >>  83         select PERF_USE_VMALLOC
                                                   >>  84         select IRQ_PREFLOW_FASTEOI
                                                   >>  85         select ARCH_HAVE_NMI_SAFE_CMPXCHG
                                                   >>  86         select HAVE_C_RECORDMCOUNT
                                                   >>  87         select HAVE_ARCH_AUDITSYSCALL
                                                   >>  88         select ARCH_SUPPORTS_ATOMIC_RMW
                                                   >>  89         select HAVE_NMI
                                                   >>  90         select HAVE_REGS_AND_STACK_ACCESS_API
                                                   >>  91         select ARCH_USE_QUEUED_RWLOCKS
                                                   >>  92         select ARCH_USE_QUEUED_SPINLOCKS
                                                   >>  93         select GENERIC_TIME_VSYSCALL
                                                   >>  94         select ARCH_CLOCKSOURCE_DATA
                                                   >>  95         select ARCH_HAS_PTE_SPECIAL
                                                   >>  96         select PCI_DOMAINS if PCI
                                                   >>  97         select ARCH_HAS_GIGANTIC_PAGE
1165                                                   98 
1166 config SYS_SUPPORTS_RELOCATABLE               !!  99 config ARCH_PROC_KCORE_TEXT
1167         bool                                  !! 100         def_bool y
1168         help                                  << 
1169           Selected if the platform supports r << 
1170           The platform must provide plat_get_ << 
1171           to allow access to command line and << 
1172                                               << 
1173 #                                             << 
1174 # Endianness selection.  Sufficiently obscure << 
1175 # answer,so we try hard to limit the availabl << 
1176 # choice statement should be more obvious to  << 
1177 #                                             << 
1178 choice                                        << 
1179         prompt "Endianness selection"         << 
1180         help                                  << 
1181           Some MIPS machines can be configure << 
1182           byte order. These modes require dif << 
1183           Linux distribution.  In general the << 
1184           particular system but some systems  << 
1185           one or the other endianness.        << 
1186                                                  101 
1187 config CPU_BIG_ENDIAN                            102 config CPU_BIG_ENDIAN
1188         bool "Big endian"                     !! 103         def_bool y
1189         depends on SYS_SUPPORTS_BIG_ENDIAN    << 
1190                                               << 
1191 config CPU_LITTLE_ENDIAN                      << 
1192         bool "Little endian"                  << 
1193         depends on SYS_SUPPORTS_LITTLE_ENDIAN << 
1194                                               << 
1195 endchoice                                     << 
1196                                               << 
1197 config EXPORT_UASM                            << 
1198         bool                                  << 
1199                                                  104 
1200 config SYS_SUPPORTS_APM_EMULATION             !! 105 config ARCH_ATU
1201         bool                                     106         bool
                                                   >> 107         default y if SPARC64
1202                                                  108 
1203 config SYS_SUPPORTS_BIG_ENDIAN                !! 109 config STACKTRACE_SUPPORT
1204         bool                                     110         bool
                                                   >> 111         default y if SPARC64
1205                                                  112 
1206 config SYS_SUPPORTS_LITTLE_ENDIAN             !! 113 config LOCKDEP_SUPPORT
1207         bool                                     114         bool
                                                   >> 115         default y if SPARC64
1208                                                  116 
1209 config MIPS_HUGE_TLB_SUPPORT                  !! 117 config ARCH_HIBERNATION_POSSIBLE
1210         def_bool HUGETLB_PAGE || TRANSPARENT_ !! 118         def_bool y if SPARC64
1211                                               << 
1212 config IRQ_TXX9                               << 
1213         bool                                  << 
1214                                                  119 
1215 config IRQ_GT641XX                            !! 120 config AUDIT_ARCH
1216         bool                                     121         bool
                                                   >> 122         default y
1217                                                  123 
1218 config PCI_GT64XXX_PCI0                       !! 124 config HAVE_SETUP_PER_CPU_AREA
1219         bool                                  !! 125         def_bool y if SPARC64
1220                                                  126 
1221 config PCI_XTALK_BRIDGE                       !! 127 config NEED_PER_CPU_EMBED_FIRST_CHUNK
1222         bool                                  !! 128         def_bool y if SPARC64
1223                                                  129 
1224 config NO_EXCEPT_FILL                         !! 130 config NEED_PER_CPU_PAGE_FIRST_CHUNK
1225         bool                                  !! 131         def_bool y if SPARC64
1226                                                  132 
1227 config MIPS_SPRAM                             !! 133 config MMU
1228         bool                                     134         bool
                                                   >> 135         default y
1229                                                  136 
1230 config SWAP_IO_SPACE                          !! 137 config HIGHMEM
1231         bool                                     138         bool
                                                   >> 139         default y if SPARC32
1232                                                  140 
1233 config SGI_HAS_INDYDOG                        !! 141 config ZONE_DMA
1234         bool                                     142         bool
                                                   >> 143         default y if SPARC32
1235                                                  144 
1236 config SGI_HAS_HAL2                           !! 145 config GENERIC_ISA_DMA
1237         bool                                     146         bool
                                                   >> 147         default y if SPARC32
1238                                                  148 
1239 config SGI_HAS_SEEQ                           !! 149 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
1240         bool                                  !! 150         def_bool y if SPARC64
1241                                                  151 
1242 config SGI_HAS_WD93                           !! 152 config PGTABLE_LEVELS
1243         bool                                  !! 153         default 4 if 64BIT
                                                   >> 154         default 3
1244                                                  155 
1245 config SGI_HAS_ZILOG                          !! 156 config ARCH_SUPPORTS_UPROBES
1246         bool                                  !! 157         def_bool y if SPARC64
1247                                                  158 
1248 config SGI_HAS_I8042                          !! 159 menu "Processor type and features"
1249         bool                                  << 
1250                                                  160 
1251 config DEFAULT_SGI_PARTITION                  !! 161 config SMP
1252         bool                                  !! 162         bool "Symmetric multi-processing support"
                                                   >> 163         ---help---
                                                   >> 164           This enables support for systems with more than one CPU. If you have
                                                   >> 165           a system with only one CPU, say N. If you have a system with more
                                                   >> 166           than one CPU, say Y.
1253                                                  167 
1254 config FW_ARC32                               !! 168           If you say N here, the kernel will run on uni- and multiprocessor
1255         bool                                  !! 169           machines, but will use only one CPU of a multiprocessor machine. If
                                                   >> 170           you say Y here, the kernel will run on many, but not all,
                                                   >> 171           uniprocessor machines. On a uniprocessor machine, the kernel
                                                   >> 172           will run faster if you say N here.
1256                                                  173 
1257 config FW_SNIPROM                             !! 174           People using multiprocessor machines who say Y here should also say
1258         bool                                  !! 175           Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
                                                   >> 176           Management" code will be disabled if you say Y here.
1259                                                  177 
1260 config BOOT_ELF32                             !! 178           See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
1261         bool                                  !! 179           available at <http://www.tldp.org/docs.html#howto>.
1262                                                  180 
1263 config MIPS_L1_CACHE_SHIFT_4                  !! 181           If you don't know what to do here, say N.
1264         bool                                  << 
1265                                                  182 
1266 config MIPS_L1_CACHE_SHIFT_5                  !! 183 config NR_CPUS
1267         bool                                  !! 184         int "Maximum number of CPUs"
                                                   >> 185         depends on SMP
                                                   >> 186         range 2 32 if SPARC32
                                                   >> 187         range 2 4096 if SPARC64
                                                   >> 188         default 32 if SPARC32
                                                   >> 189         default 4096 if SPARC64
1268                                                  190 
1269 config MIPS_L1_CACHE_SHIFT_6                  !! 191 source "kernel/Kconfig.hz"
1270         bool                                  << 
1271                                                  192 
1272 config MIPS_L1_CACHE_SHIFT_7                  !! 193 config GENERIC_HWEIGHT
1273         bool                                     194         bool
                                                   >> 195         default y
1274                                                  196 
1275 config MIPS_L1_CACHE_SHIFT                    !! 197 config GENERIC_CALIBRATE_DELAY
1276         int                                   << 
1277         default "7" if MIPS_L1_CACHE_SHIFT_7  << 
1278         default "6" if MIPS_L1_CACHE_SHIFT_6  << 
1279         default "5" if MIPS_L1_CACHE_SHIFT_5  << 
1280         default "4" if MIPS_L1_CACHE_SHIFT_4  << 
1281         default "5"                           << 
1282                                               << 
1283 config ARC_CMDLINE_ONLY                       << 
1284         bool                                     198         bool
                                                   >> 199         default y
1285                                                  200 
1286 config ARC_CONSOLE                            !! 201 config ARCH_MAY_HAVE_PC_FDC
1287         bool "ARC console support"            << 
1288         depends on SGI_IP22 || SGI_IP28 || (S << 
1289                                               << 
1290 config ARC_MEMORY                             << 
1291         bool                                     202         bool
                                                   >> 203         default y
1292                                                  204 
1293 config ARC_PROMLIB                            !! 205 config EMULATED_CMPXCHG
1294         bool                                     206         bool
                                                   >> 207         default y if SPARC32
                                                   >> 208         help
                                                   >> 209           Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
                                                   >> 210           is emulated, and therefore it is not completely atomic.
1295                                                  211 
1296 config FW_ARC64                               !! 212 # Makefile helpers
                                                   >> 213 config SPARC32_SMP
1297         bool                                     214         bool
                                                   >> 215         default y
                                                   >> 216         depends on SPARC32 && SMP
1298                                                  217 
1299 config BOOT_ELF64                             !! 218 config SPARC64_SMP
1300         bool                                     219         bool
                                                   >> 220         default y
                                                   >> 221         depends on SPARC64 && SMP
1301                                                  222 
1302 menu "CPU selection"                          !! 223 config EARLYFB
1303                                               !! 224         bool "Support for early boot text console"
1304 choice                                        !! 225         default y
1305         prompt "CPU type"                     !! 226         depends on SPARC64
1306         default CPU_R4X00                     << 
1307                                               << 
1308 config CPU_LOONGSON64                         << 
1309         bool "Loongson 64-bit CPU"            << 
1310         depends on SYS_HAS_CPU_LOONGSON64     << 
1311         select ARCH_HAS_PHYS_TO_DMA           << 
1312         select CPU_MIPSR2                     << 
1313         select CPU_HAS_PREFETCH               << 
1314         select CPU_SUPPORTS_64BIT_KERNEL      << 
1315         select CPU_SUPPORTS_HIGHMEM           << 
1316         select CPU_SUPPORTS_HUGEPAGES         << 
1317         select CPU_SUPPORTS_MSA               << 
1318         select CPU_SUPPORTS_VZ                << 
1319         select CPU_DIEI_BROKEN if !LOONGSON3_ << 
1320         select CPU_MIPSR2_IRQ_VI              << 
1321         select DMA_NONCOHERENT                << 
1322         select WEAK_ORDERING                  << 
1323         select WEAK_REORDERING_BEYOND_LLSC    << 
1324         select MIPS_ASID_BITS_VARIABLE        << 
1325         select MIPS_PGD_C0_CONTEXT            << 
1326         select MIPS_L1_CACHE_SHIFT_6          << 
1327         select MIPS_FP_SUPPORT                << 
1328         select GPIOLIB                        << 
1329         select SWIOTLB                        << 
1330         help                                  << 
1331           The Loongson GSx64(GS264/GS464/GS46 << 
1332           cores implements the MIPS64R2 instr << 
1333           including most 64-bit Loongson-2 (2 << 
1334           3B1000, 3B1500, 3A2000, 3A3000 and  << 
1335           Loongson-2E/2F is not covered here  << 
1336                                               << 
1337 config CPU_LOONGSON2E                         << 
1338         bool "Loongson 2E"                    << 
1339         depends on SYS_HAS_CPU_LOONGSON2E     << 
1340         select CPU_LOONGSON2EF                << 
1341         help                                  << 
1342           The Loongson 2E processor implement << 
1343           with many extensions.               << 
1344                                               << 
1345           It has an internal FPGA northbridge << 
1346           bonito64.                           << 
1347                                               << 
1348 config CPU_LOONGSON2F                         << 
1349         bool "Loongson 2F"                    << 
1350         depends on SYS_HAS_CPU_LOONGSON2F     << 
1351         select CPU_LOONGSON2EF                << 
1352         help                                  << 
1353           The Loongson 2F processor implement << 
1354           with many extensions.               << 
1355                                               << 
1356           Loongson2F have built-in DDR2 and P << 
1357           have a similar programming interfac << 
1358           Loongson2E.                         << 
1359                                               << 
1360 config CPU_LOONGSON1B                         << 
1361         bool "Loongson 1B"                    << 
1362         depends on SYS_HAS_CPU_LOONGSON1B     << 
1363         select CPU_LOONGSON32                 << 
1364         select LEDS_GPIO_REGISTER             << 
1365         help                                  << 
1366           The Loongson 1B is a 32-bit SoC, wh << 
1367           Release 1 instruction set and part  << 
1368           instruction set.                    << 
1369                                               << 
1370 config CPU_LOONGSON1C                         << 
1371         bool "Loongson 1C"                    << 
1372         depends on SYS_HAS_CPU_LOONGSON1C     << 
1373         select CPU_LOONGSON32                 << 
1374         select LEDS_GPIO_REGISTER             << 
1375         help                                  << 
1376           The Loongson 1C is a 32-bit SoC, wh << 
1377           Release 1 instruction set and part  << 
1378           instruction set.                    << 
1379                                               << 
1380 config CPU_MIPS32_R1                          << 
1381         bool "MIPS32 Release 1"               << 
1382         depends on SYS_HAS_CPU_MIPS32_R1      << 
1383         select CPU_HAS_PREFETCH               << 
1384         select CPU_SUPPORTS_32BIT_KERNEL      << 
1385         select CPU_SUPPORTS_HIGHMEM           << 
1386         help                                  << 
1387           Choose this option to build a kerne << 
1388           MIPS32 architecture.  Most modern e << 
1389           MIPS processor are based on a MIPS3 << 
1390           specific type of processor in your  << 
1391           otherwise CPU_MIPS32_R1 is a safe b << 
1392           Release 2 of the MIPS32 architectur << 
1393           years so chances are you even have  << 
1394           in which case you should choose CPU << 
1395           performance.                        << 
1396                                               << 
1397 config CPU_MIPS32_R2                          << 
1398         bool "MIPS32 Release 2"               << 
1399         depends on SYS_HAS_CPU_MIPS32_R2      << 
1400         select CPU_HAS_PREFETCH               << 
1401         select CPU_SUPPORTS_32BIT_KERNEL      << 
1402         select CPU_SUPPORTS_HIGHMEM           << 
1403         select CPU_SUPPORTS_MSA               << 
1404         help                                  << 
1405           Choose this option to build a kerne << 
1406           MIPS32 architecture.  Most modern e << 
1407           MIPS processor are based on a MIPS3 << 
1408           specific type of processor in your  << 
1409           otherwise CPU_MIPS32_R1 is a safe b << 
1410                                               << 
1411 config CPU_MIPS32_R5                          << 
1412         bool "MIPS32 Release 5"               << 
1413         depends on SYS_HAS_CPU_MIPS32_R5      << 
1414         select CPU_HAS_PREFETCH               << 
1415         select CPU_SUPPORTS_32BIT_KERNEL      << 
1416         select CPU_SUPPORTS_HIGHMEM           << 
1417         select CPU_SUPPORTS_MSA               << 
1418         select CPU_SUPPORTS_VZ                << 
1419         select MIPS_O32_FP64_SUPPORT          << 
1420         help                                  << 
1421           Choose this option to build a kerne << 
1422           MIPS32 architecture.  New MIPS proc << 
1423           family, are based on a MIPS32r5 pro << 
1424           processor, you probably need to sel << 
1425                                               << 
1426 config CPU_MIPS32_R6                          << 
1427         bool "MIPS32 Release 6"               << 
1428         depends on SYS_HAS_CPU_MIPS32_R6      << 
1429         select CPU_HAS_PREFETCH               << 
1430         select CPU_NO_LOAD_STORE_LR           << 
1431         select CPU_SUPPORTS_32BIT_KERNEL      << 
1432         select CPU_SUPPORTS_HIGHMEM           << 
1433         select CPU_SUPPORTS_MSA               << 
1434         select CPU_SUPPORTS_VZ                << 
1435         select MIPS_O32_FP64_SUPPORT          << 
1436         help                                  << 
1437           Choose this option to build a kerne << 
1438           MIPS32 architecture.  New MIPS proc << 
1439           family, are based on a MIPS32r6 pro << 
1440           processor, you probably need to sel << 
1441                                               << 
1442 config CPU_MIPS64_R1                          << 
1443         bool "MIPS64 Release 1"               << 
1444         depends on SYS_HAS_CPU_MIPS64_R1      << 
1445         select CPU_HAS_PREFETCH               << 
1446         select CPU_SUPPORTS_32BIT_KERNEL      << 
1447         select CPU_SUPPORTS_64BIT_KERNEL      << 
1448         select CPU_SUPPORTS_HIGHMEM           << 
1449         select CPU_SUPPORTS_HUGEPAGES         << 
1450         help                                  << 
1451           Choose this option to build a kerne << 
1452           MIPS64 architecture.  Many modern e << 
1453           MIPS processor are based on a MIPS6 << 
1454           specific type of processor in your  << 
1455           otherwise CPU_MIPS64_R1 is a safe b << 
1456           Release 2 of the MIPS64 architectur << 
1457           years so chances are you even have  << 
1458           in which case you should choose CPU << 
1459           performance.                        << 
1460                                               << 
1461 config CPU_MIPS64_R2                          << 
1462         bool "MIPS64 Release 2"               << 
1463         depends on SYS_HAS_CPU_MIPS64_R2      << 
1464         select CPU_HAS_PREFETCH               << 
1465         select CPU_SUPPORTS_32BIT_KERNEL      << 
1466         select CPU_SUPPORTS_64BIT_KERNEL      << 
1467         select CPU_SUPPORTS_HIGHMEM           << 
1468         select CPU_SUPPORTS_HUGEPAGES         << 
1469         select CPU_SUPPORTS_MSA               << 
1470         help                                  << 
1471           Choose this option to build a kerne << 
1472           MIPS64 architecture.  Many modern e << 
1473           MIPS processor are based on a MIPS6 << 
1474           specific type of processor in your  << 
1475           otherwise CPU_MIPS64_R1 is a safe b << 
1476                                               << 
1477 config CPU_MIPS64_R5                          << 
1478         bool "MIPS64 Release 5"               << 
1479         depends on SYS_HAS_CPU_MIPS64_R5      << 
1480         select CPU_HAS_PREFETCH               << 
1481         select CPU_SUPPORTS_32BIT_KERNEL      << 
1482         select CPU_SUPPORTS_64BIT_KERNEL      << 
1483         select CPU_SUPPORTS_HIGHMEM           << 
1484         select CPU_SUPPORTS_HUGEPAGES         << 
1485         select CPU_SUPPORTS_MSA               << 
1486         select MIPS_O32_FP64_SUPPORT if 32BIT << 
1487         select CPU_SUPPORTS_VZ                << 
1488         help                                  << 
1489           Choose this option to build a kerne << 
1490           MIPS64 architecture.  This is a int << 
1491           release partly implementing release << 
1492           any hardware known to be based on t << 
1493                                               << 
1494 config CPU_MIPS64_R6                          << 
1495         bool "MIPS64 Release 6"               << 
1496         depends on SYS_HAS_CPU_MIPS64_R6      << 
1497         select CPU_HAS_PREFETCH               << 
1498         select CPU_NO_LOAD_STORE_LR           << 
1499         select CPU_SUPPORTS_32BIT_KERNEL      << 
1500         select CPU_SUPPORTS_64BIT_KERNEL      << 
1501         select CPU_SUPPORTS_HIGHMEM           << 
1502         select CPU_SUPPORTS_HUGEPAGES         << 
1503         select CPU_SUPPORTS_MSA               << 
1504         select MIPS_O32_FP64_SUPPORT if 32BIT << 
1505         select CPU_SUPPORTS_VZ                << 
1506         help                                  << 
1507           Choose this option to build a kerne << 
1508           MIPS64 architecture.  New MIPS proc << 
1509           family, are based on a MIPS64r6 pro << 
1510           processor, you probably need to sel << 
1511                                               << 
1512 config CPU_P5600                              << 
1513         bool "MIPS Warrior P5600"             << 
1514         depends on SYS_HAS_CPU_P5600          << 
1515         select CPU_HAS_PREFETCH               << 
1516         select CPU_SUPPORTS_32BIT_KERNEL      << 
1517         select CPU_SUPPORTS_HIGHMEM           << 
1518         select CPU_SUPPORTS_MSA               << 
1519         select CPU_SUPPORTS_CPUFREQ           << 
1520         select CPU_SUPPORTS_VZ                << 
1521         select CPU_MIPSR2_IRQ_VI              << 
1522         select CPU_MIPSR2_IRQ_EI              << 
1523         select MIPS_O32_FP64_SUPPORT          << 
1524         help                                  << 
1525           Choose this option to build a kerne << 
1526           It's based on MIPS32r5 ISA with XPA << 
1527           MMU with two-levels TLB, UCA, MSA,  << 
1528           level features like up to six P5600 << 
1529           cache, IOCU/IOMMU (though might be  << 
1530           specific IP core configuration), GI << 
1531           eJTAG and PDtrace.                  << 
1532                                               << 
1533 config CPU_R3000                              << 
1534         bool "R3000"                          << 
1535         depends on SYS_HAS_CPU_R3000          << 
1536         select CPU_HAS_WB                     << 
1537         select CPU_R3K_TLB                    << 
1538         select CPU_SUPPORTS_32BIT_KERNEL      << 
1539         select CPU_SUPPORTS_HIGHMEM           << 
1540         help                                  << 
1541           Please make sure to pick the right  << 
1542           designed to be generic, i.e. Kernel << 
1543           *not* work on R4000 machines and vi << 
1544           of the supported machines have an R << 
1545           might be a safe bet.  If the result << 
1546           try to recompile with R3000.        << 
1547                                               << 
1548 config CPU_R4300                              << 
1549         bool "R4300"                          << 
1550         depends on SYS_HAS_CPU_R4300          << 
1551         select CPU_SUPPORTS_32BIT_KERNEL      << 
1552         select CPU_SUPPORTS_64BIT_KERNEL      << 
1553         help                                  << 
1554           MIPS Technologies R4300-series proc << 
1555                                               << 
1556 config CPU_R4X00                              << 
1557         bool "R4x00"                          << 
1558         depends on SYS_HAS_CPU_R4X00          << 
1559         select CPU_SUPPORTS_32BIT_KERNEL      << 
1560         select CPU_SUPPORTS_64BIT_KERNEL      << 
1561         select CPU_SUPPORTS_HUGEPAGES         << 
1562         help                                  << 
1563           MIPS Technologies R4000-series proc << 
1564           the R4000, R4400, R4600, and 4700.  << 
1565                                               << 
1566 config CPU_TX49XX                             << 
1567         bool "R49XX"                          << 
1568         depends on SYS_HAS_CPU_TX49XX         << 
1569         select CPU_HAS_PREFETCH               << 
1570         select CPU_SUPPORTS_32BIT_KERNEL      << 
1571         select CPU_SUPPORTS_64BIT_KERNEL      << 
1572         select CPU_SUPPORTS_HUGEPAGES         << 
1573                                               << 
1574 config CPU_R5000                              << 
1575         bool "R5000"                          << 
1576         depends on SYS_HAS_CPU_R5000          << 
1577         select CPU_SUPPORTS_32BIT_KERNEL      << 
1578         select CPU_SUPPORTS_64BIT_KERNEL      << 
1579         select CPU_SUPPORTS_HUGEPAGES         << 
1580         help                                  << 
1581           MIPS Technologies R5000-series proc << 
1582                                               << 
1583 config CPU_R5500                              << 
1584         bool "R5500"                          << 
1585         depends on SYS_HAS_CPU_R5500          << 
1586         select CPU_SUPPORTS_32BIT_KERNEL      << 
1587         select CPU_SUPPORTS_64BIT_KERNEL      << 
1588         select CPU_SUPPORTS_HUGEPAGES         << 
1589         help                                  << 
1590           NEC VR5500 and VR5500A series proce << 
1591           instruction set.                    << 
1592                                               << 
1593 config CPU_NEVADA                             << 
1594         bool "RM52xx"                         << 
1595         depends on SYS_HAS_CPU_NEVADA         << 
1596         select CPU_SUPPORTS_32BIT_KERNEL      << 
1597         select CPU_SUPPORTS_64BIT_KERNEL      << 
1598         select CPU_SUPPORTS_HUGEPAGES         << 
1599         help                                  << 
1600           QED / PMC-Sierra RM52xx-series ("Ne << 
1601                                               << 
1602 config CPU_R10000                             << 
1603         bool "R10000"                         << 
1604         depends on SYS_HAS_CPU_R10000         << 
1605         select CPU_HAS_PREFETCH               << 
1606         select CPU_SUPPORTS_32BIT_KERNEL      << 
1607         select CPU_SUPPORTS_64BIT_KERNEL      << 
1608         select CPU_SUPPORTS_HIGHMEM           << 
1609         select CPU_SUPPORTS_HUGEPAGES         << 
1610         help                                     227         help
1611           MIPS Technologies R10000-series pro !! 228           Say Y here to enable a faster early framebuffer boot console.
1612                                                  229 
1613 config CPU_RM7000                             !! 230 config SECCOMP
1614         bool "RM7000"                         !! 231         bool "Enable seccomp to safely compute untrusted bytecode"
1615         depends on SYS_HAS_CPU_RM7000         !! 232         depends on SPARC64 && PROC_FS
1616         select CPU_HAS_PREFETCH               !! 233         default y
1617         select CPU_SUPPORTS_32BIT_KERNEL      << 
1618         select CPU_SUPPORTS_64BIT_KERNEL      << 
1619         select CPU_SUPPORTS_HIGHMEM           << 
1620         select CPU_SUPPORTS_HUGEPAGES         << 
1621                                               << 
1622 config CPU_SB1                                << 
1623         bool "SB1"                            << 
1624         depends on SYS_HAS_CPU_SB1            << 
1625         select CPU_SUPPORTS_32BIT_KERNEL      << 
1626         select CPU_SUPPORTS_64BIT_KERNEL      << 
1627         select CPU_SUPPORTS_HIGHMEM           << 
1628         select CPU_SUPPORTS_HUGEPAGES         << 
1629         select WEAK_ORDERING                  << 
1630                                               << 
1631 config CPU_CAVIUM_OCTEON                      << 
1632         bool "Cavium Octeon processor"        << 
1633         depends on SYS_HAS_CPU_CAVIUM_OCTEON  << 
1634         select CPU_HAS_PREFETCH               << 
1635         select CPU_SUPPORTS_64BIT_KERNEL      << 
1636         select HAVE_PAGE_SIZE_8KB if !MIPS_VA << 
1637         select HAVE_PAGE_SIZE_32KB if !MIPS_V << 
1638         select WEAK_ORDERING                  << 
1639         select CPU_SUPPORTS_HIGHMEM           << 
1640         select CPU_SUPPORTS_HUGEPAGES         << 
1641         select USB_EHCI_BIG_ENDIAN_MMIO if CP << 
1642         select USB_OHCI_BIG_ENDIAN_MMIO if CP << 
1643         select MIPS_L1_CACHE_SHIFT_7          << 
1644         select CPU_SUPPORTS_VZ                << 
1645         help                                  << 
1646           The Cavium Octeon processor is a hi << 
1647           many ethernet hardware widgets for  << 
1648           can have up to 16 Mips64v2 cores an << 
1649           Full details can be found at http:/ << 
1650                                               << 
1651 config CPU_BMIPS                              << 
1652         bool "Broadcom BMIPS"                 << 
1653         depends on SYS_HAS_CPU_BMIPS          << 
1654         select CPU_MIPS32                     << 
1655         select CPU_BMIPS32_3300 if SYS_HAS_CP << 
1656         select CPU_BMIPS4350 if SYS_HAS_CPU_B << 
1657         select CPU_BMIPS4380 if SYS_HAS_CPU_B << 
1658         select CPU_BMIPS5000 if SYS_HAS_CPU_B << 
1659         select CPU_SUPPORTS_32BIT_KERNEL      << 
1660         select DMA_NONCOHERENT                << 
1661         select IRQ_MIPS_CPU                   << 
1662         select SWAP_IO_SPACE                  << 
1663         select WEAK_ORDERING                  << 
1664         select CPU_SUPPORTS_HIGHMEM           << 
1665         select CPU_HAS_PREFETCH               << 
1666         select CPU_SUPPORTS_CPUFREQ           << 
1667         select MIPS_EXTERNAL_TIMER            << 
1668         select GENERIC_IRQ_MIGRATION if HOTPL << 
1669         help                                     234         help
1670           Support for BMIPS32/3300/4350/4380  !! 235           This kernel feature is useful for number crunching applications
                                                   >> 236           that may need to compute untrusted bytecode during their
                                                   >> 237           execution. By using pipes or other transports made available to
                                                   >> 238           the process as file descriptors supporting the read/write
                                                   >> 239           syscalls, it's possible to isolate those applications in
                                                   >> 240           their own address space using seccomp. Once seccomp is
                                                   >> 241           enabled via /proc/<pid>/seccomp, it cannot be disabled
                                                   >> 242           and the task is only allowed to execute a few safe syscalls
                                                   >> 243           defined by each seccomp mode.
1671                                                  244 
1672 endchoice                                     !! 245           If unsure, say Y. Only embedded should say N here.
1673                                                  246 
1674 config LOONGSON3_ENHANCEMENT                  !! 247 config HOTPLUG_CPU
1675         bool "New Loongson-3 CPU Enhancements !! 248         bool "Support for hot-pluggable CPUs"
1676         default n                             !! 249         depends on SPARC64 && SMP
1677         depends on CPU_LOONGSON64             << 
1678         help                                  << 
1679           New Loongson-3 cores (since Loongso << 
1680           R1, Loongson-3B R1 and Loongson-3B  << 
1681           FTLB, L1-VCache, EI/DI/Wait/Prefetc << 
1682           Local register, Read-Inhibit/Execut << 
1683           Fast TLB refill support, etc.       << 
1684                                               << 
1685           This option enable those enhancemen << 
1686           time. If you want a generic kernel  << 
1687           please say 'N' here. If you want a  << 
1688           new Loongson-3 machines only, pleas << 
1689                                               << 
1690 config CPU_LOONGSON3_WORKAROUNDS              << 
1691         bool "Loongson-3 LLSC Workarounds"    << 
1692         default y if SMP                      << 
1693         depends on CPU_LOONGSON64             << 
1694         help                                     250         help
1695           Loongson-3 processors have the llsc !! 251           Say Y here to experiment with turning CPUs off and on.  CPUs
1696           Without workarounds the system may  !! 252           can be controlled through /sys/devices/system/cpu/cpu#.
                                                   >> 253           Say N if you want to disable CPU hotplug.
1697                                                  254 
1698           Say Y, unless you know what you are !! 255 if SPARC64
                                                   >> 256 source "drivers/cpufreq/Kconfig"
                                                   >> 257 endif
1699                                                  258 
1700 config CPU_LOONGSON3_CPUCFG_EMULATION         !! 259 config US3_MC
1701         bool "Emulate the CPUCFG instruction  !! 260         tristate "UltraSPARC-III Memory Controller driver"
                                                   >> 261         depends on SPARC64
1702         default y                                262         default y
1703         depends on CPU_LOONGSON64             << 
1704         help                                  << 
1705           Loongson-3A R4 and newer have the C << 
1706           userland to query CPU capabilities, << 
1707           option provides emulation of the in << 
1708           cores, back to Loongson-3A1000.     << 
1709                                               << 
1710           If unsure, please say Y.            << 
1711                                               << 
1712 config CPU_MIPS32_3_5_FEATURES                << 
1713         bool "MIPS32 Release 3.5 Features"    << 
1714         depends on SYS_HAS_CPU_MIPS32_R3_5    << 
1715         depends on CPU_MIPS32_R2 || CPU_MIPS3 << 
1716                    CPU_P5600                  << 
1717         help                                  << 
1718           Choose this option to build a kerne << 
1719           MIPS32 architecture including featu << 
1720           support for Enhanced Virtual Addres << 
1721                                               << 
1722 config CPU_MIPS32_3_5_EVA                     << 
1723         bool "Enhanced Virtual Addressing (EV << 
1724         depends on CPU_MIPS32_3_5_FEATURES    << 
1725         select EVA                            << 
1726         default y                             << 
1727         help                                  << 
1728           Choose this option if you want to e << 
1729           Addressing (EVA) on your MIPS32 cor << 
1730           One of its primary benefits is an i << 
1731           of lowmem (up to 3GB). If unsure, s << 
1732                                               << 
1733 config CPU_MIPS32_R5_FEATURES                 << 
1734         bool "MIPS32 Release 5 Features"      << 
1735         depends on SYS_HAS_CPU_MIPS32_R5      << 
1736         depends on CPU_MIPS32_R2 || CPU_MIPS3 << 
1737         help                                  << 
1738           Choose this option to build a kerne << 
1739           MIPS32 architecture including featu << 
1740           support for Extended Physical Addre << 
1741                                               << 
1742 config CPU_MIPS32_R5_XPA                      << 
1743         bool "Extended Physical Addressing (X << 
1744         depends on CPU_MIPS32_R5_FEATURES     << 
1745         depends on !EVA                       << 
1746         depends on !PAGE_SIZE_4KB             << 
1747         depends on SYS_SUPPORTS_HIGHMEM       << 
1748         select XPA                            << 
1749         select HIGHMEM                        << 
1750         select PHYS_ADDR_T_64BIT              << 
1751         default n                             << 
1752         help                                     263         help
1753           Choose this option if you want to e !! 264           This adds a driver for the UltraSPARC-III memory controller.
1754           Addressing (XPA) on your MIPS32 cor !! 265           Loading this driver allows exact mnemonic strings to be
1755           benefit is to increase physical add !! 266           printed in the event of a memory error, so that the faulty DIMM
1756           than 40 bits. Note that this has th !! 267           on the motherboard can be matched to the error.
1757           64-bit addressing which in turn mak << 
1758           If unsure, say 'N' here.            << 
1759                                                  268 
1760 if CPU_LOONGSON2F                             !! 269           If in doubt, say Y, as this information can be very useful.
1761 config CPU_NOP_WORKAROUNDS                    << 
1762         bool                                  << 
1763                                                  270 
1764 config CPU_JUMP_WORKAROUNDS                   !! 271 # Global things across all Sun machines.
                                                   >> 272 config GENERIC_LOCKBREAK
1765         bool                                     273         bool
1766                                               << 
1767 config CPU_LOONGSON2F_WORKAROUNDS             << 
1768         bool "Loongson 2F Workarounds"        << 
1769         default y                                274         default y
1770         select CPU_NOP_WORKAROUNDS            !! 275         depends on SPARC64 && SMP && PREEMPTION
1771         select CPU_JUMP_WORKAROUNDS           << 
1772         help                                  << 
1773           Loongson 2F01 / 2F02 processors hav << 
1774           require workarounds.  Without worka << 
1775           unexpectedly.  For more information << 
1776           -mfix-loongson2f-nop and -mfix-loon << 
1777                                               << 
1778           Loongson 2F03 and later have fixed  << 
1779           are needed.  The workarounds have n << 
1780           but may decrease the performance of << 
1781           be disabled unless the kernel is in << 
1782           systems.                            << 
1783                                               << 
1784           If unsure, please say Y.            << 
1785 endif # CPU_LOONGSON2F                        << 
1786                                               << 
1787 config SYS_SUPPORTS_ZBOOT                     << 
1788         bool                                  << 
1789         select HAVE_KERNEL_GZIP               << 
1790         select HAVE_KERNEL_BZIP2              << 
1791         select HAVE_KERNEL_LZ4                << 
1792         select HAVE_KERNEL_LZMA               << 
1793         select HAVE_KERNEL_LZO                << 
1794         select HAVE_KERNEL_XZ                 << 
1795         select HAVE_KERNEL_ZSTD               << 
1796                                               << 
1797 config SYS_SUPPORTS_ZBOOT_UART16550           << 
1798         bool                                  << 
1799         select SYS_SUPPORTS_ZBOOT             << 
1800                                               << 
1801 config SYS_SUPPORTS_ZBOOT_UART_PROM           << 
1802         bool                                  << 
1803         select SYS_SUPPORTS_ZBOOT             << 
1804                                               << 
1805 config CPU_LOONGSON2EF                        << 
1806         bool                                  << 
1807         select CPU_SUPPORTS_32BIT_KERNEL      << 
1808         select CPU_SUPPORTS_64BIT_KERNEL      << 
1809         select CPU_SUPPORTS_HIGHMEM           << 
1810         select CPU_SUPPORTS_HUGEPAGES         << 
1811                                               << 
1812 config CPU_LOONGSON32                         << 
1813         bool                                  << 
1814         select CPU_MIPS32                     << 
1815         select CPU_MIPSR2                     << 
1816         select CPU_HAS_PREFETCH               << 
1817         select CPU_SUPPORTS_32BIT_KERNEL      << 
1818         select CPU_SUPPORTS_HIGHMEM           << 
1819         select CPU_SUPPORTS_CPUFREQ           << 
1820                                               << 
1821 config CPU_BMIPS32_3300                       << 
1822         select SMP_UP if SMP                  << 
1823         bool                                  << 
1824                                               << 
1825 config CPU_BMIPS4350                          << 
1826         bool                                  << 
1827         select SYS_SUPPORTS_SMP               << 
1828         select SYS_SUPPORTS_HOTPLUG_CPU       << 
1829                                               << 
1830 config CPU_BMIPS4380                          << 
1831         bool                                  << 
1832         select MIPS_L1_CACHE_SHIFT_6          << 
1833         select SYS_SUPPORTS_SMP               << 
1834         select SYS_SUPPORTS_HOTPLUG_CPU       << 
1835         select CPU_HAS_RIXI                   << 
1836                                               << 
1837 config CPU_BMIPS5000                          << 
1838         bool                                  << 
1839         select MIPS_CPU_SCACHE                << 
1840         select MIPS_L1_CACHE_SHIFT_7          << 
1841         select SYS_SUPPORTS_SMP               << 
1842         select SYS_SUPPORTS_HOTPLUG_CPU       << 
1843         select CPU_HAS_RIXI                   << 
1844                                               << 
1845 config SYS_HAS_CPU_LOONGSON64                 << 
1846         bool                                  << 
1847         select CPU_SUPPORTS_CPUFREQ           << 
1848         select CPU_HAS_RIXI                   << 
1849                                               << 
1850 config SYS_HAS_CPU_LOONGSON2E                 << 
1851         bool                                  << 
1852                                               << 
1853 config SYS_HAS_CPU_LOONGSON2F                 << 
1854         bool                                  << 
1855         select CPU_SUPPORTS_CPUFREQ           << 
1856         select CPU_SUPPORTS_ADDRWINCFG if 64B << 
1857                                               << 
1858 config SYS_HAS_CPU_LOONGSON1B                 << 
1859         bool                                  << 
1860                                               << 
1861 config SYS_HAS_CPU_LOONGSON1C                 << 
1862         bool                                  << 
1863                                               << 
1864 config SYS_HAS_CPU_MIPS32_R1                  << 
1865         bool                                  << 
1866                                               << 
1867 config SYS_HAS_CPU_MIPS32_R2                  << 
1868         bool                                  << 
1869                                               << 
1870 config SYS_HAS_CPU_MIPS32_R3_5                << 
1871         bool                                  << 
1872                                               << 
1873 config SYS_HAS_CPU_MIPS32_R5                  << 
1874         bool                                  << 
1875                                               << 
1876 config SYS_HAS_CPU_MIPS32_R6                  << 
1877         bool                                  << 
1878                                               << 
1879 config SYS_HAS_CPU_MIPS64_R1                  << 
1880         bool                                  << 
1881                                               << 
1882 config SYS_HAS_CPU_MIPS64_R2                  << 
1883         bool                                  << 
1884                                               << 
1885 config SYS_HAS_CPU_MIPS64_R5                  << 
1886         bool                                  << 
1887                                               << 
1888 config SYS_HAS_CPU_MIPS64_R6                  << 
1889         bool                                  << 
1890                                                  276 
1891 config SYS_HAS_CPU_P5600                      !! 277 config NUMA
1892         bool                                  !! 278         bool "NUMA support"
1893                                               !! 279         depends on SPARC64 && SMP
1894 config SYS_HAS_CPU_R3000                      << 
1895         bool                                  << 
1896                                               << 
1897 config SYS_HAS_CPU_R4300                      << 
1898         bool                                  << 
1899                                               << 
1900 config SYS_HAS_CPU_R4X00                      << 
1901         bool                                  << 
1902                                               << 
1903 config SYS_HAS_CPU_TX49XX                     << 
1904         bool                                  << 
1905                                               << 
1906 config SYS_HAS_CPU_R5000                      << 
1907         bool                                  << 
1908                                               << 
1909 config SYS_HAS_CPU_R5500                      << 
1910         bool                                  << 
1911                                               << 
1912 config SYS_HAS_CPU_NEVADA                     << 
1913         bool                                  << 
1914                                               << 
1915 config SYS_HAS_CPU_R10000                     << 
1916         bool                                  << 
1917                                               << 
1918 config SYS_HAS_CPU_RM7000                     << 
1919         bool                                  << 
1920                                               << 
1921 config SYS_HAS_CPU_SB1                        << 
1922         bool                                  << 
1923                                               << 
1924 config SYS_HAS_CPU_CAVIUM_OCTEON              << 
1925         bool                                  << 
1926                                               << 
1927 config SYS_HAS_CPU_BMIPS                      << 
1928         bool                                  << 
1929                                               << 
1930 config SYS_HAS_CPU_BMIPS32_3300               << 
1931         bool                                  << 
1932         select SYS_HAS_CPU_BMIPS              << 
1933                                               << 
1934 config SYS_HAS_CPU_BMIPS4350                  << 
1935         bool                                  << 
1936         select SYS_HAS_CPU_BMIPS              << 
1937                                               << 
1938 config SYS_HAS_CPU_BMIPS4380                  << 
1939         bool                                  << 
1940         select SYS_HAS_CPU_BMIPS              << 
1941                                               << 
1942 config SYS_HAS_CPU_BMIPS5000                  << 
1943         bool                                  << 
1944         select SYS_HAS_CPU_BMIPS              << 
1945                                               << 
1946 #                                             << 
1947 # CPU may reorder R->R, R->W, W->R, W->W      << 
1948 # Reordering beyond LL and SC is handled in W << 
1949 #                                             << 
1950 config WEAK_ORDERING                          << 
1951         bool                                  << 
1952                                               << 
1953 #                                             << 
1954 # CPU may reorder reads and writes beyond LL/ << 
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, << 
1956 #                                             << 
1957 config WEAK_REORDERING_BEYOND_LLSC            << 
1958         bool                                  << 
1959 endmenu                                       << 
1960                                               << 
1961 #                                             << 
1962 # These two indicate any level of the MIPS32  << 
1963 #                                             << 
1964 config CPU_MIPS32                             << 
1965         bool                                  << 
1966         default y if CPU_MIPS32_R1 || CPU_MIP << 
1967                      CPU_MIPS32_R6 || CPU_P56 << 
1968                                               << 
1969 config CPU_MIPS64                             << 
1970         bool                                  << 
1971         default y if CPU_MIPS64_R1 || CPU_MIP << 
1972                      CPU_MIPS64_R6 || CPU_LOO << 
1973                                               << 
1974 #                                             << 
1975 # These indicate the revision of the architec << 
1976 #                                             << 
1977 config CPU_MIPSR1                             << 
1978         bool                                  << 
1979         default y if CPU_MIPS32_R1 || CPU_MIP << 
1980                                               << 
1981 config CPU_MIPSR2                             << 
1982         bool                                  << 
1983         default y if CPU_MIPS32_R2 || CPU_MIP << 
1984         select CPU_HAS_RIXI                   << 
1985         select CPU_HAS_DIEI if !CPU_DIEI_BROK << 
1986         select MIPS_SPRAM                     << 
1987                                               << 
1988 config CPU_MIPSR5                             << 
1989         bool                                  << 
1990         default y if CPU_MIPS32_R5 || CPU_MIP << 
1991         select CPU_HAS_RIXI                   << 
1992         select CPU_HAS_DIEI if !CPU_DIEI_BROK << 
1993         select MIPS_SPRAM                     << 
1994                                               << 
1995 config CPU_MIPSR6                             << 
1996         bool                                  << 
1997         default y if CPU_MIPS32_R6 || CPU_MIP << 
1998         select CPU_HAS_RIXI                   << 
1999         select CPU_HAS_DIEI if !CPU_DIEI_BROK << 
2000         select HAVE_ARCH_BITREVERSE           << 
2001         select MIPS_ASID_BITS_VARIABLE        << 
2002         select MIPS_CRC_SUPPORT               << 
2003         select MIPS_SPRAM                     << 
2004                                               << 
2005 config TARGET_ISA_REV                         << 
2006         int                                   << 
2007         default 1 if CPU_MIPSR1               << 
2008         default 2 if CPU_MIPSR2               << 
2009         default 5 if CPU_MIPSR5               << 
2010         default 6 if CPU_MIPSR6               << 
2011         default 0                             << 
2012         help                                  << 
2013           Reflects the ISA revision being tar << 
2014           is effectively the Kconfig equivale << 
2015                                               << 
2016 config EVA                                    << 
2017         bool                                  << 
2018                                               << 
2019 config XPA                                    << 
2020         bool                                  << 
2021                                               << 
2022 config SYS_SUPPORTS_32BIT_KERNEL              << 
2023         bool                                  << 
2024 config SYS_SUPPORTS_64BIT_KERNEL              << 
2025         bool                                  << 
2026 config CPU_SUPPORTS_32BIT_KERNEL              << 
2027         bool                                  << 
2028 config CPU_SUPPORTS_64BIT_KERNEL              << 
2029         bool                                  << 
2030 config CPU_SUPPORTS_CPUFREQ                   << 
2031         bool                                  << 
2032 config CPU_SUPPORTS_ADDRWINCFG                << 
2033         bool                                  << 
2034 config CPU_SUPPORTS_HUGEPAGES                 << 
2035         bool                                  << 
2036         depends on !(32BIT && (PHYS_ADDR_T_64 << 
2037 config CPU_SUPPORTS_VZ                        << 
2038         bool                                  << 
2039 config MIPS_PGD_C0_CONTEXT                    << 
2040         bool                                  << 
2041         depends on 64BIT                      << 
2042         default y if (CPU_MIPSR2 || CPU_MIPSR << 
2043                                               << 
2044 #                                             << 
2045 # Set to y for ptrace access to watch registe << 
2046 #                                             << 
2047 config HARDWARE_WATCHPOINTS                   << 
2048         bool                                  << 
2049         default y if CPU_MIPSR1 || CPU_MIPSR2 << 
2050                                               << 
2051 menu "Kernel type"                            << 
2052                                               << 
2053 choice                                        << 
2054         prompt "Kernel code model"            << 
2055         help                                  << 
2056           You should only select this option  << 
2057           actually benefits from 64-bit proce << 
2058           large memory.  You will only be pre << 
2059           menu if your system does not suppor << 
2060                                               << 
2061 config 32BIT                                  << 
2062         bool "32-bit kernel"                  << 
2063         depends on CPU_SUPPORTS_32BIT_KERNEL  << 
2064         select TRAD_SIGNALS                   << 
2065         help                                  << 
2066           Select this option if you want to b << 
2067                                               << 
2068 config 64BIT                                  << 
2069         bool "64-bit kernel"                  << 
2070         depends on CPU_SUPPORTS_64BIT_KERNEL  << 
2071         help                                  << 
2072           Select this option if you want to b << 
2073                                               << 
2074 endchoice                                     << 
2075                                                  280 
2076 config MIPS_VA_BITS_48                        !! 281 config NODES_SHIFT
2077         bool "48 bits virtual memory"         !! 282         int "Maximum NUMA Nodes (as a power of 2)"
2078         depends on 64BIT                      !! 283         range 4 5 if SPARC64
                                                   >> 284         default "5"
                                                   >> 285         depends on NEED_MULTIPLE_NODES
2079         help                                     286         help
2080           Support a maximum at least 48 bits  !! 287           Specify the maximum number of NUMA Nodes available on the target
2081           memory.  Default is 40 bits or less !! 288           system.  Increases memory reserved to accommodate various tables.
2082           For page sizes 16k and above, this  << 
2083           memory overhead for page tables.  F << 
2084           level of page tables is added which << 
2085           overhead as well as slower TLB faul << 
2086                                                  289 
2087           If unsure, say N.                   !! 290 # Some NUMA nodes have memory ranges that span
                                                   >> 291 # other nodes.  Even though a pfn is valid and
                                                   >> 292 # between a node's start and end pfns, it may not
                                                   >> 293 # reside on that node.  See memmap_init_zone()
                                                   >> 294 # for details.
                                                   >> 295 config NODES_SPAN_OTHER_NODES
                                                   >> 296         def_bool y
                                                   >> 297         depends on NEED_MULTIPLE_NODES
2088                                                  298 
2089 config ZBOOT_LOAD_ADDRESS                     !! 299 config ARCH_SPARSEMEM_ENABLE
2090         hex "Compressed kernel load address"  !! 300         def_bool y if SPARC64
2091         default 0xffffffff80400000 if BCM47XX !! 301         select SPARSEMEM_VMEMMAP_ENABLE
2092         default 0x0                           << 
2093         depends on SYS_SUPPORTS_ZBOOT         << 
2094         help                                  << 
2095           The address to load compressed kern << 
2096                                                  302 
2097           This is only used if non-zero.      !! 303 config ARCH_SPARSEMEM_DEFAULT
                                                   >> 304         def_bool y if SPARC64
2098                                                  305 
2099 config ARCH_FORCE_MAX_ORDER                   !! 306 config FORCE_MAX_ZONEORDER
2100         int "Maximum zone order"                 307         int "Maximum zone order"
2101         default "13" if MIPS_HUGE_TLB_SUPPORT !! 308         default "13"
2102         default "12" if MIPS_HUGE_TLB_SUPPORT << 
2103         default "11" if MIPS_HUGE_TLB_SUPPORT << 
2104         default "10"                          << 
2105         help                                     309         help
2106           The kernel memory allocator divides    310           The kernel memory allocator divides physically contiguous memory
2107           blocks into "zones", where each zon    311           blocks into "zones", where each zone is a power of two number of
2108           pages.  This option selects the lar    312           pages.  This option selects the largest power of two that the kernel
2109           keeps in the memory allocator.  If     313           keeps in the memory allocator.  If you need to allocate very large
2110           blocks of physically contiguous mem    314           blocks of physically contiguous memory, then you may need to
2111           increase this value.                   315           increase this value.
2112                                                  316 
2113           The page size is not necessarily 4K !! 317           This config option is actually maximum order plus one. For example,
2114           when choosing a value for this opti !! 318           a value of 13 means that the largest free memory block is 2^12 pages.
2115                                                  319 
2116 config BOARD_SCACHE                           !! 320 if SPARC64
2117         bool                                  !! 321 source "kernel/power/Kconfig"
2118                                               !! 322 endif
2119 config IP22_CPU_SCACHE                        << 
2120         bool                                  << 
2121         select BOARD_SCACHE                   << 
2122                                               << 
2123 #                                             << 
2124 # Support for a MIPS32 / MIPS64 style S-cache << 
2125 #                                             << 
2126 config MIPS_CPU_SCACHE                        << 
2127         bool                                  << 
2128         select BOARD_SCACHE                   << 
2129                                               << 
2130 config R5000_CPU_SCACHE                       << 
2131         bool                                  << 
2132         select BOARD_SCACHE                   << 
2133                                               << 
2134 config RM7000_CPU_SCACHE                      << 
2135         bool                                  << 
2136         select BOARD_SCACHE                   << 
2137                                               << 
2138 config SIBYTE_DMA_PAGEOPS                     << 
2139         bool "Use DMA to clear/copy pages"    << 
2140         depends on CPU_SB1                    << 
2141         help                                  << 
2142           Instead of using the CPU to zero an << 
2143           channel.  These DMA channels are ot << 
2144           SiByte Linux port.  Seems to give a << 
2145                                               << 
2146 config CPU_HAS_PREFETCH                       << 
2147         bool                                  << 
2148                                               << 
2149 config CPU_GENERIC_DUMP_TLB                   << 
2150         bool                                  << 
2151         default y if !CPU_R3000               << 
2152                                               << 
2153 config MIPS_FP_SUPPORT                        << 
2154         bool "Floating Point support" if EXPE << 
2155         default y                             << 
2156         help                                  << 
2157           Select y to include support for flo << 
2158           including initialization of FPU har << 
2159           and emulation of an FPU where neces << 
2160           userland program attempting to use  << 
2161           receive a SIGILL.                   << 
2162                                               << 
2163           If you know that your userland will << 
2164           instructions then you can say n her << 
2165                                               << 
2166           If unsure, say y.                   << 
2167                                               << 
2168 config CPU_R2300_FPU                          << 
2169         bool                                  << 
2170         depends on MIPS_FP_SUPPORT            << 
2171         default y if CPU_R3000                << 
2172                                               << 
2173 config CPU_R3K_TLB                            << 
2174         bool                                  << 
2175                                               << 
2176 config CPU_R4K_FPU                            << 
2177         bool                                  << 
2178         depends on MIPS_FP_SUPPORT            << 
2179         default y if !CPU_R2300_FPU           << 
2180                                               << 
2181 config CPU_R4K_CACHE_TLB                      << 
2182         bool                                  << 
2183         default y if !(CPU_R3K_TLB || CPU_SB1 << 
2184                                               << 
2185 config MIPS_MT_SMP                            << 
2186         bool "MIPS MT SMP support (1 TC on ea << 
2187         default y                             << 
2188         depends on TARGET_ISA_REV > 0 && TARG << 
2189         depends on SYS_SUPPORTS_MULTITHREADIN << 
2190         select CPU_MIPSR2_IRQ_VI              << 
2191         select CPU_MIPSR2_IRQ_EI              << 
2192         select SYNC_R4K                       << 
2193         select MIPS_MT                        << 
2194         select SMP                            << 
2195         select SMP_UP                         << 
2196         select SYS_SUPPORTS_SMP               << 
2197         select SYS_SUPPORTS_SCHED_SMT         << 
2198         select MIPS_PERF_SHARED_TC_COUNTERS   << 
2199         help                                  << 
2200           This is a kernel model which is kno << 
2201           on cores with the MT ASE and uses t << 
2202           virtual processors which supports S << 
2203           Intel Hyperthreading feature. For f << 
2204           <http://www.imgtec.com/mips/mips-mu << 
2205                                               << 
2206 config MIPS_MT                                << 
2207         bool                                  << 
2208                                                  323 
2209 config SCHED_SMT                                 324 config SCHED_SMT
2210         bool "SMT (multithreading) scheduler  !! 325         bool "SMT (Hyperthreading) scheduler support"
2211         depends on SYS_SUPPORTS_SCHED_SMT     !! 326         depends on SPARC64 && SMP
2212         default n                             !! 327         default y
2213         help                                     328         help
2214           SMT scheduler support improves the     329           SMT scheduler support improves the CPU scheduler's decision making
2215           when dealing with MIPS MT enabled c !! 330           when dealing with SPARC cpus at a cost of slightly increased overhead
2216           increased overhead in some places.  !! 331           in some places. If unsure say N here.
2217                                               << 
2218 config SYS_SUPPORTS_SCHED_SMT                 << 
2219         bool                                  << 
2220                                               << 
2221 config SYS_SUPPORTS_MULTITHREADING            << 
2222         bool                                  << 
2223                                                  332 
2224 config MIPS_MT_FPAFF                          !! 333 config SCHED_MC
2225         bool "Dynamic FPU affinity for FP-int !! 334         bool "Multi-core scheduler support"
                                                   >> 335         depends on SPARC64 && SMP
2226         default y                                336         default y
2227         depends on MIPS_MT_SMP                << 
2228                                               << 
2229 config MIPSR2_TO_R6_EMULATOR                  << 
2230         bool "MIPS R2-to-R6 emulator"         << 
2231         depends on CPU_MIPSR6                 << 
2232         depends on MIPS_FP_SUPPORT            << 
2233         default y                             << 
2234         help                                  << 
2235           Choose this option if you want to r << 
2236           Even if you say 'Y' here, the emula << 
2237           default. You can enable it using th << 
2238           The only reason this is a build-tim << 
2239           final kernel image.                 << 
2240                                               << 
2241 config SYS_SUPPORTS_VPE_LOADER                << 
2242         bool                                  << 
2243         depends on SYS_SUPPORTS_MULTITHREADIN << 
2244         help                                     337         help
2245           Indicates that the platform support !! 338           Multi-core scheduler support improves the CPU scheduler's decision
2246           physical_memsize.                   !! 339           making when dealing with multi-core CPU chips at a cost of slightly
                                                   >> 340           increased overhead in some places. If unsure say N here.
2247                                                  341 
2248 config MIPS_VPE_LOADER                        !! 342 config CMDLINE_BOOL
2249         bool "VPE loader support."            !! 343         bool "Default bootloader kernel arguments"
2250         depends on SYS_SUPPORTS_VPE_LOADER && !! 344         depends on SPARC64
2251         select CPU_MIPSR2_IRQ_VI              !! 345 
2252         select CPU_MIPSR2_IRQ_EI              !! 346 config CMDLINE
2253         select MIPS_MT                        !! 347         string "Initial kernel command string"
2254         help                                  !! 348         depends on CMDLINE_BOOL
2255           Includes a loader for loading an el !! 349         default "console=ttyS0,9600 root=/dev/sda1"
2256           onto another VPE and running it.    !! 350         help
                                                   >> 351           Say Y here if you want to be able to pass default arguments to
                                                   >> 352           the kernel. This will be overridden by the bootloader, if you
                                                   >> 353           use one (such as SILO). This is most useful if you want to boot
                                                   >> 354           a kernel from TFTP, and want default options to be available
                                                   >> 355           with having them passed on the command line.
                                                   >> 356 
                                                   >> 357           NOTE: This option WILL override the PROM bootargs setting!
                                                   >> 358 
                                                   >> 359 config SUN_PM
                                                   >> 360         bool
                                                   >> 361         default y if SPARC32
                                                   >> 362         help
                                                   >> 363           Enable power management and CPU standby features on supported
                                                   >> 364           SPARC platforms.
                                                   >> 365 
                                                   >> 366 config SPARC_LED
                                                   >> 367         tristate "Sun4m LED driver"
                                                   >> 368         depends on SPARC32
                                                   >> 369         help
                                                   >> 370           This driver toggles the front-panel LED on sun4m systems
                                                   >> 371           in a user-specifiable manner.  Its state can be probed
                                                   >> 372           by reading /proc/led and its blinking mode can be changed
                                                   >> 373           via writes to /proc/led
                                                   >> 374 
                                                   >> 375 config SERIAL_CONSOLE
                                                   >> 376         bool
                                                   >> 377         depends on SPARC32
                                                   >> 378         default y
                                                   >> 379         ---help---
                                                   >> 380           If you say Y here, it will be possible to use a serial port as the
                                                   >> 381           system console (the system console is the device which receives all
                                                   >> 382           kernel messages and warnings and which allows logins in single user
                                                   >> 383           mode). This could be useful if some terminal or printer is connected
                                                   >> 384           to that serial port.
                                                   >> 385 
                                                   >> 386           Even if you say Y here, the currently visible virtual console
                                                   >> 387           (/dev/tty0) will still be used as the system console by default, but
                                                   >> 388           you can alter that using a kernel command line option such as
                                                   >> 389           "console=ttyS1". (Try "man bootparam" or see the documentation of
                                                   >> 390           your boot loader (silo) about how to pass options to the kernel at
                                                   >> 391           boot time.)
                                                   >> 392 
                                                   >> 393           If you don't have a graphics card installed and you say Y here, the
                                                   >> 394           kernel will automatically use the first serial line, /dev/ttyS0, as
                                                   >> 395           system console.
2257                                                  396 
2258 config MIPS_VPE_LOADER_MT                     !! 397           If unsure, say N.
2259         bool                                  << 
2260         default "y"                           << 
2261         depends on MIPS_VPE_LOADER            << 
2262                                                  398 
2263 config MIPS_VPE_LOADER_TOM                    !! 399 config SPARC_LEON
2264         bool "Load VPE program into memory hi !! 400         bool "Sparc Leon processor family"
2265         depends on MIPS_VPE_LOADER            !! 401         depends on SPARC32
2266         default y                             !! 402         select USB_EHCI_BIG_ENDIAN_MMIO
2267         help                                  !! 403         select USB_EHCI_BIG_ENDIAN_DESC
2268           The loader can use memory that is p !! 404         select USB_UHCI_BIG_ENDIAN_MMIO
2269           Linux using the kernel command line !! 405         select USB_UHCI_BIG_ENDIAN_DESC
2270           you to ensure the amount you put in !! 406         ---help---
2271           program requires is less or equal t !! 407           If you say Y here if you are running on a SPARC-LEON processor.
2272                                               !! 408           The LEON processor is a synthesizable VHDL model of the
2273 config MIPS_VPE_APSP_API                      !! 409           SPARC-v8 standard. LEON is  part of the GRLIB collection of
2274         bool "Enable support for AP/SP API (R !! 410           IP cores that are distributed under GPL. GRLIB can be downloaded
2275         depends on MIPS_VPE_LOADER            !! 411           from www.gaisler.com. You can download a sparc-linux cross-compilation
2276                                               !! 412           toolchain at www.gaisler.com.
2277 config MIPS_VPE_APSP_API_MT                   !! 413 
2278         bool                                  !! 414 if SPARC_LEON
2279         default "y"                           !! 415 menu "U-Boot options"
2280         depends on MIPS_VPE_APSP_API          !! 416 
2281                                               !! 417 config UBOOT_LOAD_ADDR
2282 config MIPS_CPS                               !! 418         hex "uImage Load Address"
2283         bool "MIPS Coherent Processing System !! 419         default 0x40004000
2284         depends on SYS_SUPPORTS_MIPS_CPS      !! 420         ---help---
2285         select MIPS_CM                        !! 421          U-Boot kernel load address, the address in physical address space
2286         select MIPS_CPS_PM if HOTPLUG_CPU     !! 422          where u-boot will place the Linux kernel before booting it.
2287         select SMP                            !! 423          This address is normally the base address of main memory + 0x4000.
2288         select HOTPLUG_CORE_SYNC_DEAD if HOTP !! 424 
2289         select SYNC_R4K if (CEVT_R4K || CSRC_ !! 425 config UBOOT_FLASH_ADDR
2290         select SYS_SUPPORTS_HOTPLUG_CPU       !! 426         hex "uImage.o Load Address"
2291         select SYS_SUPPORTS_SCHED_SMT if CPU_ !! 427         default 0x00080000
2292         select SYS_SUPPORTS_SMP               !! 428         ---help---
2293         select WEAK_ORDERING                  !! 429          Optional setting only affecting the uImage.o ELF-image used to
2294         select GENERIC_IRQ_MIGRATION if HOTPL !! 430          download the uImage file to the target using a ELF-loader other than
2295         help                                  !! 431          U-Boot. It may for example be used to download an uImage to FLASH with
2296           Select this if you wish to run an S !! 432          the GRMON utility before even starting u-boot.
2297           within a MIPS Coherent Processing S !! 433 
2298           enabled the kernel will probe for o !! 434 config UBOOT_ENTRY_ADDR
2299           no external assistance. It is safe  !! 435         hex "uImage Entry Address"
2300           support is unavailable.             !! 436         default 0xf0004000
                                                   >> 437         ---help---
                                                   >> 438          Do not change this unless you know what you're doing. This is
                                                   >> 439          hardcoded by the SPARC32 and LEON port.
2301                                                  440 
2302 config MIPS_CPS_PM                            !! 441          This is the virtual address u-boot jumps to when booting the Linux
2303         depends on MIPS_CPS                   !! 442          Kernel.
2304         bool                                  << 
2305                                                  443 
2306 config MIPS_CM                                !! 444 endmenu
2307         bool                                  !! 445 endif
2308         select MIPS_CPC                       << 
2309                                                  446 
2310 config MIPS_CPC                               !! 447 endmenu
2311         bool                                  << 
2312                                                  448 
2313 config SB1_PASS_2_WORKAROUNDS                 !! 449 menu "Bus options (PCI etc.)"
                                                   >> 450 config SBUS
2314         bool                                     451         bool
2315         depends on CPU_SB1 && (CPU_SB1_PASS_2 << 
2316         default y                                452         default y
2317                                                  453 
2318 config SB1_PASS_2_1_WORKAROUNDS               !! 454 config SBUSCHAR
2319         bool                                     455         bool
2320         depends on CPU_SB1 && CPU_SB1_PASS_2  << 
2321         default y                                456         default y
2322                                                  457 
2323 choice                                        !! 458 config SUN_LDOMS
2324         prompt "SmartMIPS or microMIPS ASE su !! 459         bool "Sun Logical Domains support"
2325                                               !! 460         depends on SPARC64
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS    << 
2327         bool "None"                           << 
2328         help                                  << 
2329           Select this if you want neither mic << 
2330                                               << 
2331 config CPU_HAS_SMARTMIPS                      << 
2332         depends on SYS_SUPPORTS_SMARTMIPS     << 
2333         bool "SmartMIPS"                      << 
2334         help                                  << 
2335           SmartMIPS is a extension of the MIP << 
2336           increased security at both hardware << 
2337           smartcards.  Enabling this option w << 
2338           SmartMIPS instructions by Linux app << 
2339           this option will not work on a MIPS << 
2340           you don't know you probably don't h << 
2341           here.                               << 
2342                                               << 
2343 config CPU_MICROMIPS                          << 
2344         depends on 32BIT && SYS_SUPPORTS_MICR << 
2345         bool "microMIPS"                      << 
2346         help                                     461         help
2347           When this option is enabled the ker !! 462           Say Y here is you want to support virtual devices via
2348           microMIPS ISA                       !! 463           Logical Domains.
2349                                                  464 
2350 endchoice                                     !! 465 config PCIC_PCI
2351                                               << 
2352 config CPU_HAS_MSA                            << 
2353         bool "Support for the MIPS SIMD Archi << 
2354         depends on CPU_SUPPORTS_MSA           << 
2355         depends on MIPS_FP_SUPPORT            << 
2356         depends on 64BIT || MIPS_O32_FP64_SUP << 
2357         help                                  << 
2358           MIPS SIMD Architecture (MSA) introd << 
2359           and a set of SIMD instructions to o << 
2360           is enabled the kernel will support  << 
2361           vector register contexts. If you kn << 
2362           running on CPUs which do not suppor << 
2363           not be making use of it then you ma << 
2364           the size & complexity of your kerne << 
2365                                               << 
2366           If unsure, say Y.                   << 
2367                                               << 
2368 config CPU_HAS_WB                             << 
2369         bool                                     466         bool
                                                   >> 467         depends on PCI && SPARC32 && !SPARC_LEON
                                                   >> 468         default y
2370                                                  469 
2371 config XKS01                                  !! 470 config LEON_PCI
2372         bool                                  << 
2373                                               << 
2374 config CPU_HAS_DIEI                           << 
2375         depends on !CPU_DIEI_BROKEN           << 
2376         bool                                  << 
2377                                               << 
2378 config CPU_DIEI_BROKEN                        << 
2379         bool                                  << 
2380                                               << 
2381 config CPU_HAS_RIXI                           << 
2382         bool                                  << 
2383                                               << 
2384 config CPU_NO_LOAD_STORE_LR                   << 
2385         bool                                  << 
2386         help                                  << 
2387           CPU lacks support for unaligned loa << 
2388           LWL, LWR, SWL, SWR (Load/store word << 
2389           LDL, LDR, SDL, SDR (Load/store doub << 
2390           systems).                           << 
2391                                               << 
2392 #                                             << 
2393 # Vectored interrupt mode is an R2 feature    << 
2394 #                                             << 
2395 config CPU_MIPSR2_IRQ_VI                      << 
2396         bool                                  << 
2397                                               << 
2398 #                                             << 
2399 # Extended interrupt mode is an R2 feature    << 
2400 #                                             << 
2401 config CPU_MIPSR2_IRQ_EI                      << 
2402         bool                                  << 
2403                                               << 
2404 config CPU_HAS_SYNC                           << 
2405         bool                                  << 
2406         depends on !CPU_R3000                 << 
2407         default y                             << 
2408                                               << 
2409 #                                             << 
2410 # CPU non-features                            << 
2411 #                                             << 
2412                                               << 
2413 # Work around the "daddi" and "daddiu" CPU er << 
2414 #                                             << 
2415 # - The `daddi' instruction fails to trap on  << 
2416 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2417 #   erratum #23                               << 
2418 #                                             << 
2419 # - The `daddiu' instruction can produce an i << 
2420 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2421 #   erratum #41                               << 
2422 #   "MIPS R4000MC Errata, Processor Revision  << 
2423 #   #15                                       << 
2424 #   "MIPS R4400PC/SC Errata, Processor Revisi << 
2425 #   "MIPS R4400MC Errata, Processor Revision  << 
2426 config CPU_DADDI_WORKAROUNDS                  << 
2427         bool                                  << 
2428                                               << 
2429 # Work around certain R4000 CPU errata (as im << 
2430 #                                             << 
2431 # - A double-word or a variable shift may giv << 
2432 #   if executed immediately after starting an << 
2433 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2434 #   erratum #28                               << 
2435 #   "MIPS R4000MC Errata, Processor Revision  << 
2436 #   #19                                       << 
2437 #                                             << 
2438 # - A double-word or a variable shift may giv << 
2439 #   if executed while an integer multiplicati << 
2440 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2441 #   errata #16 & #28                          << 
2442 #                                             << 
2443 # - An integer division may give an incorrect << 
2444 #   a delay slot of a taken branch or a jump: << 
2445 #   "MIPS R4000PC/SC Errata, Processor Revisi << 
2446 #   erratum #52                               << 
2447 config CPU_R4000_WORKAROUNDS                  << 
2448         bool                                  << 
2449         select CPU_R4400_WORKAROUNDS          << 
2450                                               << 
2451 # Work around certain R4400 CPU errata (as im << 
2452 #                                             << 
2453 # - A double-word or a variable shift may giv << 
2454 #   if executed immediately after starting an << 
2455 #   "MIPS R4400MC Errata, Processor Revision  << 
2456 #   "MIPS R4400MC Errata, Processor Revision  << 
2457 config CPU_R4400_WORKAROUNDS                  << 
2458         bool                                  << 
2459                                               << 
2460 config CPU_R4X00_BUGS64                       << 
2461         bool                                  << 
2462         default y if SYS_HAS_CPU_R4X00 && 64B << 
2463                                               << 
2464 config MIPS_ASID_SHIFT                        << 
2465         int                                   << 
2466         default 6 if CPU_R3000                << 
2467         default 0                             << 
2468                                               << 
2469 config MIPS_ASID_BITS                         << 
2470         int                                   << 
2471         default 0 if MIPS_ASID_BITS_VARIABLE  << 
2472         default 6 if CPU_R3000                << 
2473         default 8                             << 
2474                                               << 
2475 config MIPS_ASID_BITS_VARIABLE                << 
2476         bool                                  << 
2477                                               << 
2478 config MIPS_CRC_SUPPORT                       << 
2479         bool                                  << 
2480                                               << 
2481 # R4600 erratum.  Due to the lack of errata i << 
2482 # technical details aren't known.  I've exper << 
2483 # interrupts during indexed I-cache flushes s << 
2484 # with the issue.                             << 
2485 config WAR_R4600_V1_INDEX_ICACHEOP            << 
2486         bool                                  << 
2487                                               << 
2488 # Pleasures of the R4600 V1.x.  Cite from the << 
2489 #                                             << 
2490 #  18. The CACHE instructions Hit_Writeback_I << 
2491 #      Hit_Invalidate_D and Create_Dirty_Excl << 
2492 #      executed if there is no other dcache a << 
2493 #      accessed for another instruction immed << 
2494 #      cache instructions are executing, it i << 
2495 #      tag match outputs used by these cache  << 
2496 #      incorrect. These cache instructions sh << 
2497 #      four instructions that are not any kin << 
2498 #      instruction.                           << 
2499 #                                             << 
2500 #      This is not allowed:    lw             << 
2501 #                              nop            << 
2502 #                              nop            << 
2503 #                              nop            << 
2504 #                              cache       Hi << 
2505 #                                             << 
2506 #      This is allowed:        lw             << 
2507 #                              nop            << 
2508 #                              nop            << 
2509 #                              nop            << 
2510 #                              nop            << 
2511 #                              cache       Hi << 
2512 config WAR_R4600_V1_HIT_CACHEOP               << 
2513         bool                                  << 
2514                                               << 
2515 # Writeback and invalidate the primary cache  << 
2516 #                                             << 
2517 # R4600 v2.0 bug: "The CACHE instructions Hit << 
2518 # Hit_Writeback_D, Hit_Invalidate_D and Creat << 
2519 # operate correctly if the internal data cach << 
2520 # CACHE instructions should be separated from << 
2521 # by a load instruction to an uncached addres << 
2522 # (Revision 2.0 device errata from IDT availa << 
2523 # in .pdf format.)                            << 
2524 config WAR_R4600_V2_HIT_CACHEOP               << 
2525         bool                                  << 
2526                                               << 
2527 # From TX49/H2 manual: "If the instruction (i << 
2528 # the line which this instruction itself exis << 
2529 # operation is not guaranteed."               << 
2530 #                                             << 
2531 # Workaround: do two phase flushing for Index << 
2532 config WAR_TX49XX_ICACHE_INDEX_INV            << 
2533         bool                                  << 
2534                                               << 
2535 # The RM7000 processors and the E9000 cores h << 
2536 # opposes it being called that) where invalid << 
2537 # I-cache line worth of instructions being fe << 
2538 # exceptions.                                 << 
2539 config WAR_ICACHE_REFILLS                     << 
2540         bool                                  << 
2541                                               << 
2542 # On the R10000 up to version 2.6 (not sure a << 
2543 # may cause ll / sc and lld / scd sequences t << 
2544 config WAR_R10000_LLSC                        << 
2545         bool                                  << 
2546                                               << 
2547 # 34K core erratum: "Problems Executing the T << 
2548 config WAR_MIPS34K_MISSED_ITLB                << 
2549         bool                                  << 
2550                                               << 
2551 #                                             << 
2552 # - Highmem only makes sense for the 32-bit k << 
2553 # - The current highmem code will only work p << 
2554 #   caches such as R3000, SB1, R7000 or those << 
2555 #   indexed such as R4000/R4400 SC and MC ver << 
2556 #   moment we protect the user and offer the  << 
2557 #   where it's known to be safe.  This will n << 
2558 #   such as MIPS32 and MIPS64 CPUs which may  << 
2559 #   indexed CPUs but we're playing safe.      << 
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high << 
2561 #   know they might have memory configuration << 
2562 #   support.                                  << 
2563 #                                             << 
2564 config HIGHMEM                                << 
2565         bool "High Memory Support"            << 
2566         depends on 32BIT && CPU_SUPPORTS_HIGH << 
2567         select KMAP_LOCAL                     << 
2568                                               << 
2569 config CPU_SUPPORTS_HIGHMEM                   << 
2570         bool                                  << 
2571                                               << 
2572 config SYS_SUPPORTS_HIGHMEM                   << 
2573         bool                                  << 
2574                                               << 
2575 config SYS_SUPPORTS_SMARTMIPS                 << 
2576         bool                                  << 
2577                                               << 
2578 config SYS_SUPPORTS_MICROMIPS                 << 
2579         bool                                  << 
2580                                               << 
2581 config SYS_SUPPORTS_MIPS16                    << 
2582         bool                                  << 
2583         help                                  << 
2584           This option must be set if a kernel << 
2585           enabled CPU even if MIPS16 is not a << 
2586           words, it makes the kernel MIPS16-t << 
2587                                               << 
2588 config CPU_SUPPORTS_MSA                       << 
2589         bool                                  << 
2590                                               << 
2591 config ARCH_FLATMEM_ENABLE                    << 
2592         def_bool y                            << 
2593         depends on !NUMA && !CPU_LOONGSON2EF  << 
2594                                               << 
2595 config ARCH_SPARSEMEM_ENABLE                  << 
2596         bool                                     471         bool
2597                                               !! 472         depends on PCI && SPARC_LEON
2598 config NUMA                                   << 
2599         bool "NUMA Support"                   << 
2600         depends on SYS_SUPPORTS_NUMA          << 
2601         select SMP                            << 
2602         select HAVE_SETUP_PER_CPU_AREA        << 
2603         select NEED_PER_CPU_EMBED_FIRST_CHUNK << 
2604         help                                  << 
2605           Say Y to compile the kernel to supp << 
2606           Access).  This option improves perf << 
2607           than two nodes; on two node systems << 
2608           leave it disabled; on single node s << 
2609           disabled.                           << 
2610                                               << 
2611 config SYS_SUPPORTS_NUMA                      << 
2612         bool                                  << 
2613                                               << 
2614 config RELOCATABLE                            << 
2615         bool "Relocatable kernel"             << 
2616         depends on SYS_SUPPORTS_RELOCATABLE   << 
2617         depends on CPU_MIPS32_R2 || CPU_MIPS6 << 
2618                    CPU_MIPS32_R5 || CPU_MIPS6 << 
2619                    CPU_MIPS32_R6 || CPU_MIPS6 << 
2620                    CPU_P5600 || CAVIUM_OCTEON << 
2621                    CPU_LOONGSON64             << 
2622         help                                  << 
2623           This builds a kernel image that ret << 
2624           so it can be loaded someplace besid << 
2625           The relocations make the kernel bin << 
2626           but are discarded at runtime        << 
2627                                               << 
2628 config RELOCATION_TABLE_SIZE                  << 
2629         hex "Relocation table size"           << 
2630         depends on RELOCATABLE                << 
2631         range 0x0 0x01000000                  << 
2632         default "0x00200000" if CPU_LOONGSON6 << 
2633         default "0x00100000"                  << 
2634         help                                  << 
2635           A table of relocation data will be  << 
2636           and parsed at boot to fix up the re << 
2637                                               << 
2638           This option allows the amount of sp << 
2639           adjusted, although the default of 1 << 
2640                                               << 
2641           The build will fail and a valid siz << 
2642                                               << 
2643           If unsure, leave at the default val << 
2644                                               << 
2645 config RANDOMIZE_BASE                         << 
2646         bool "Randomize the address of the ke << 
2647         depends on RELOCATABLE                << 
2648         help                                  << 
2649           Randomizes the physical and virtual << 
2650           kernel image is loaded, as a securi << 
2651           deters exploit attempts relying on  << 
2652           of kernel internals.                << 
2653                                               << 
2654           Entropy is generated using any copr << 
2655                                               << 
2656           The kernel will be offset by up to  << 
2657                                               << 
2658           If unsure, say N.                   << 
2659                                               << 
2660 config RANDOMIZE_BASE_MAX_OFFSET              << 
2661         hex "Maximum kASLR offset" if EXPERT  << 
2662         depends on RANDOMIZE_BASE             << 
2663         range 0x0 0x40000000 if EVA || 64BIT  << 
2664         range 0x0 0x08000000                  << 
2665         default "0x01000000"                  << 
2666         help                                  << 
2667           When kASLR is active, this provides << 
2668           be applied to the kernel image. It  << 
2669           amount of physical RAM available in << 
2670           PHYSICAL_START and must be a power  << 
2671                                               << 
2672           This is limited by the size of KSEG << 
2673           EVA or 64-bit. The default is 16Mb. << 
2674                                               << 
2675 config NODES_SHIFT                            << 
2676         int                                   << 
2677         default "6"                           << 
2678         depends on NUMA                       << 
2679                                               << 
2680 config HW_PERF_EVENTS                         << 
2681         bool "Enable hardware performance cou << 
2682         depends on PERF_EVENTS && (CPU_MIPS32 << 
2683         default y                                473         default y
2684         help                                  << 
2685           Enable hardware performance counter << 
2686           disabled, perf events will use soft << 
2687                                                  474 
2688 config DMI                                    !! 475 config SPARC_GRPCI1
2689         bool "Enable DMI scanning"            !! 476         bool "GRPCI Host Bridge Support"
2690         depends on MACH_LOONGSON64            !! 477         depends on LEON_PCI
2691         select DMI_SCAN_MACHINE_NON_EFI_FALLB << 
2692         default y                                478         default y
2693         help                                     479         help
2694           Enabled scanning of DMI to identify !! 480           Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
2695           here unless you have verified that  !! 481           PCI host controller is typically found in GRLIB SPARC32/LEON
2696           affected by entries in the DMI blac !! 482           systems. The driver has one property (all_pci_errors) controlled
2697           BIOS code.                          !! 483           from the bootloader that makes the GRPCI to generate interrupts
2698                                               !! 484           on detected PCI Parity and System errors.
2699 config SMP                                    << 
2700         bool "Multi-Processing support"       << 
2701         depends on SYS_SUPPORTS_SMP           << 
2702         help                                  << 
2703           This enables support for systems wi << 
2704           a system with only one CPU, say N.  << 
2705           than one CPU, say Y.                << 
2706                                               << 
2707           If you say N here, the kernel will  << 
2708           machines, but will use only one CPU << 
2709           you say Y here, the kernel will run << 
2710           uniprocessor machines. On a uniproc << 
2711           will run faster if you say N here.  << 
2712                                               << 
2713           People using multiprocessor machine << 
2714           Y to "Enhanced Real Time Clock Supp << 
2715                                               << 
2716           See also the SMP-HOWTO available at << 
2717           <https://www.tldp.org/docs.html#how << 
2718                                               << 
2719           If you don't know what to do here,  << 
2720                                               << 
2721 config HOTPLUG_CPU                            << 
2722         bool "Support for hot-pluggable CPUs" << 
2723         depends on SMP && SYS_SUPPORTS_HOTPLU << 
2724         help                                  << 
2725           Say Y here to allow turning CPUs of << 
2726           controlled through /sys/devices/sys << 
2727           (Note: power management support wil << 
2728             automatically on SMP systems. )   << 
2729           Say N if you want to disable CPU ho << 
2730                                               << 
2731 config SMP_UP                                 << 
2732         bool                                  << 
2733                                                  485 
2734 config SYS_SUPPORTS_MIPS_CPS                  !! 486 config SPARC_GRPCI2
2735         bool                                  !! 487         bool "GRPCI2 Host Bridge Support"
2736                                               !! 488         depends on LEON_PCI
2737 config SYS_SUPPORTS_SMP                       !! 489         default y
2738         bool                                  << 
2739                                               << 
2740 config NR_CPUS_DEFAULT_4                      << 
2741         bool                                  << 
2742                                               << 
2743 config NR_CPUS_DEFAULT_8                      << 
2744         bool                                  << 
2745                                               << 
2746 config NR_CPUS_DEFAULT_16                     << 
2747         bool                                  << 
2748                                               << 
2749 config NR_CPUS_DEFAULT_32                     << 
2750         bool                                  << 
2751                                               << 
2752 config NR_CPUS_DEFAULT_64                     << 
2753         bool                                  << 
2754                                               << 
2755 config NR_CPUS                                << 
2756         int "Maximum number of CPUs (2-256)"  << 
2757         range 2 256                           << 
2758         depends on SMP                        << 
2759         default "4" if NR_CPUS_DEFAULT_4      << 
2760         default "8" if NR_CPUS_DEFAULT_8      << 
2761         default "16" if NR_CPUS_DEFAULT_16    << 
2762         default "32" if NR_CPUS_DEFAULT_32    << 
2763         default "64" if NR_CPUS_DEFAULT_64    << 
2764         help                                     490         help
2765           This allows you to specify the maxi !! 491           Say Y here to include the GRPCI2 Host Bridge Driver.
2766           kernel will support.  The maximum s << 
2767           kernel and 64 for 64-bit kernels; t << 
2768           sense is 1 for Qemu (useful only fo << 
2769           and 2 for all others.               << 
2770                                               << 
2771           This is purely to save memory - eac << 
2772           approximately eight kilobytes to th << 
2773           performance should round up your nu << 
2774           power of two.                       << 
2775                                               << 
2776 config MIPS_PERF_SHARED_TC_COUNTERS           << 
2777         bool                                  << 
2778                                               << 
2779 config MIPS_NR_CPU_NR_MAP_1024                << 
2780         bool                                  << 
2781                                               << 
2782 config MIPS_NR_CPU_NR_MAP                     << 
2783         int                                   << 
2784         depends on SMP                        << 
2785         default 1024 if MIPS_NR_CPU_NR_MAP_10 << 
2786         default NR_CPUS if !MIPS_NR_CPU_NR_MA << 
2787                                                  492 
2788 #                                             !! 493 config SUN_OPENPROMFS
2789 # Timer Interrupt Frequency Configuration     !! 494         tristate "Openprom tree appears in /proc/openprom"
2790 #                                             << 
2791                                               << 
2792 choice                                        << 
2793         prompt "Timer frequency"              << 
2794         default HZ_250                        << 
2795         help                                     495         help
2796           Allows the configuration of the tim !! 496           If you say Y, the OpenPROM device tree will be available as a
2797                                               !! 497           virtual file system, which you can mount to /proc/openprom by "mount
2798         config HZ_24                          !! 498           -t openpromfs none /proc/openprom".
2799                 bool "24 HZ" if SYS_SUPPORTS_ << 
2800                                               << 
2801         config HZ_48                          << 
2802                 bool "48 HZ" if SYS_SUPPORTS_ << 
2803                                               << 
2804         config HZ_100                         << 
2805                 bool "100 HZ" if SYS_SUPPORTS << 
2806                                                  499 
2807         config HZ_128                         !! 500           To compile the /proc/openprom support as a module, choose M here: the
2808                 bool "128 HZ" if SYS_SUPPORTS !! 501           module will be called openpromfs.
2809                                                  502 
2810         config HZ_250                         !! 503           Only choose N if you know in advance that you will not need to modify
2811                 bool "250 HZ" if SYS_SUPPORTS !! 504           OpenPROM settings on the running system.
2812                                                  505 
2813         config HZ_256                         !! 506 # Makefile helpers
2814                 bool "256 HZ" if SYS_SUPPORTS !! 507 config SPARC64_PCI
2815                                               << 
2816         config HZ_1000                        << 
2817                 bool "1000 HZ" if SYS_SUPPORT << 
2818                                               << 
2819         config HZ_1024                        << 
2820                 bool "1024 HZ" if SYS_SUPPORT << 
2821                                               << 
2822 endchoice                                     << 
2823                                               << 
2824 config SYS_SUPPORTS_24HZ                      << 
2825         bool                                  << 
2826                                               << 
2827 config SYS_SUPPORTS_48HZ                      << 
2828         bool                                  << 
2829                                               << 
2830 config SYS_SUPPORTS_100HZ                     << 
2831         bool                                  << 
2832                                               << 
2833 config SYS_SUPPORTS_128HZ                     << 
2834         bool                                  << 
2835                                               << 
2836 config SYS_SUPPORTS_250HZ                     << 
2837         bool                                  << 
2838                                               << 
2839 config SYS_SUPPORTS_256HZ                     << 
2840         bool                                  << 
2841                                               << 
2842 config SYS_SUPPORTS_1000HZ                    << 
2843         bool                                  << 
2844                                               << 
2845 config SYS_SUPPORTS_1024HZ                    << 
2846         bool                                  << 
2847                                               << 
2848 config SYS_SUPPORTS_ARBIT_HZ                  << 
2849         bool                                  << 
2850         default y if !SYS_SUPPORTS_24HZ && \  << 
2851                      !SYS_SUPPORTS_48HZ && \  << 
2852                      !SYS_SUPPORTS_100HZ && \ << 
2853                      !SYS_SUPPORTS_128HZ && \ << 
2854                      !SYS_SUPPORTS_250HZ && \ << 
2855                      !SYS_SUPPORTS_256HZ && \ << 
2856                      !SYS_SUPPORTS_1000HZ &&  << 
2857                      !SYS_SUPPORTS_1024HZ     << 
2858                                               << 
2859 config HZ                                     << 
2860         int                                   << 
2861         default 24 if HZ_24                   << 
2862         default 48 if HZ_48                   << 
2863         default 100 if HZ_100                 << 
2864         default 128 if HZ_128                 << 
2865         default 250 if HZ_250                 << 
2866         default 256 if HZ_256                 << 
2867         default 1000 if HZ_1000               << 
2868         default 1024 if HZ_1024               << 
2869                                               << 
2870 config SCHED_HRTICK                           << 
2871         def_bool HIGH_RES_TIMERS              << 
2872                                               << 
2873 config ARCH_SUPPORTS_KEXEC                    << 
2874         def_bool y                            << 
2875                                               << 
2876 config ARCH_SUPPORTS_CRASH_DUMP               << 
2877         def_bool y                            << 
2878                                               << 
2879 config PHYSICAL_START                         << 
2880         hex "Physical address where the kerne << 
2881         default "0xffffffff84000000"          << 
2882         depends on CRASH_DUMP                 << 
2883         help                                  << 
2884           This gives the CKSEG0 or KSEG0 addr << 
2885           If you plan to use kernel for captu << 
2886           this value to start of the reserved << 
2887           specified in the "crashkernel=YM@XM << 
2888           passed to the panic-ed kernel).     << 
2889                                               << 
2890 config MIPS_O32_FP64_SUPPORT                  << 
2891         bool "Support for O32 binaries using  << 
2892         depends on 32BIT || MIPS32_O32        << 
2893         help                                  << 
2894           When this is enabled, the kernel wi << 
2895           point registers with binaries using << 
2896           EF_MIPS_FP64 ELF header flag (typic << 
2897           32-bit MIPS systems this support is << 
2898           size and complexity of the compiled << 
2899           running a MIPS32 system and know th << 
2900           will require 64-bit floating point, << 
2901           of your kernel & potentially improv << 
2902           saying N here.                      << 
2903                                               << 
2904           Although binutils currently support << 
2905           concerning its effect upon the O32  << 
2906           worked on. In order to avoid userla << 
2907           behaviour before the details have b << 
2908           be considered experimental and only << 
2909           said details.                       << 
2910                                               << 
2911           If unsure, say N.                   << 
2912                                               << 
2913 config USE_OF                                 << 
2914         bool                                  << 
2915         select OF                             << 
2916         select OF_EARLY_FLATTREE              << 
2917         select IRQ_DOMAIN                     << 
2918                                               << 
2919 config UHI_BOOT                               << 
2920         bool                                  << 
2921                                               << 
2922 config BUILTIN_DTB                            << 
2923         bool                                  << 
2924                                               << 
2925 choice                                        << 
2926         prompt "Kernel appended dtb support"  << 
2927         depends on USE_OF                     << 
2928         default MIPS_NO_APPENDED_DTB          << 
2929                                               << 
2930         config MIPS_NO_APPENDED_DTB           << 
2931                 bool "None"                   << 
2932                 help                          << 
2933                   Do not enable appended dtb  << 
2934                                               << 
2935         config MIPS_ELF_APPENDED_DTB          << 
2936                 bool "vmlinux"                << 
2937                 help                          << 
2938                   With this option, the boot  << 
2939                   DTB) included in the vmlinu << 
2940                   it is empty and the DTB can << 
2941                   objcopy:                    << 
2942                                               << 
2943                     objcopy --update-section  << 
2944                                               << 
2945                   This is meant as a backward << 
2946                   systems with a bootloader t << 
2947                   the documented boot protoco << 
2948                                               << 
2949         config MIPS_RAW_APPENDED_DTB          << 
2950                 bool "vmlinux.bin or vmlinuz. << 
2951                 help                          << 
2952                   With this option, the boot  << 
2953                   DTB) appended to raw vmlinu << 
2954                   (e.g. cat vmlinux.bin <file << 
2955                                               << 
2956                   This is meant as a backward << 
2957                   systems with a bootloader t << 
2958                   the documented boot protoco << 
2959                                               << 
2960                   Beware that there is very l << 
2961                   this option being confused  << 
2962                   look like a DTB header afte << 
2963                   to vmlinux.bin.  Do not lea << 
2964                   if you don't intend to alwa << 
2965 endchoice                                     << 
2966                                               << 
2967 choice                                        << 
2968         prompt "Kernel command line type"     << 
2969         depends on !CMDLINE_OVERRIDE          << 
2970         default MIPS_CMDLINE_FROM_DTB if USE_ << 
2971                                          !MAC << 
2972                                          !CAV << 
2973         default MIPS_CMDLINE_FROM_BOOTLOADER  << 
2974                                               << 
2975         config MIPS_CMDLINE_FROM_DTB          << 
2976                 depends on USE_OF             << 
2977                 bool "Dtb kernel arguments if << 
2978                                               << 
2979         config MIPS_CMDLINE_DTB_EXTEND        << 
2980                 depends on USE_OF             << 
2981                 bool "Extend dtb kernel argum << 
2982                                               << 
2983         config MIPS_CMDLINE_FROM_BOOTLOADER   << 
2984                 bool "Bootloader kernel argum << 
2985                                               << 
2986         config MIPS_CMDLINE_BUILTIN_EXTEND    << 
2987                 depends on CMDLINE_BOOL       << 
2988                 bool "Extend builtin kernel a << 
2989 endchoice                                     << 
2990                                               << 
2991 endmenu                                       << 
2992                                               << 
2993 config LOCKDEP_SUPPORT                        << 
2994         bool                                     508         bool
2995         default y                                509         default y
                                                   >> 510         depends on SPARC64 && PCI
2996                                                  511 
2997 config STACKTRACE_SUPPORT                     !! 512 config SPARC64_PCI_MSI
2998         bool                                     513         bool
2999         default y                                514         default y
                                                   >> 515         depends on SPARC64_PCI && PCI_MSI
3000                                                  516 
3001 config PGTABLE_LEVELS                         << 
3002         int                                   << 
3003         default 4 if PAGE_SIZE_4KB && MIPS_VA << 
3004         default 3 if 64BIT && (!PAGE_SIZE_64K << 
3005         default 2                             << 
3006                                               << 
3007 config MIPS_AUTO_PFN_OFFSET                   << 
3008         bool                                  << 
3009                                               << 
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC << 
3011                                               << 
3012 config PCI_DRIVERS_GENERIC                    << 
3013         select PCI_DOMAINS_GENERIC if PCI     << 
3014         bool                                  << 
3015                                               << 
3016 config PCI_DRIVERS_LEGACY                     << 
3017         def_bool !PCI_DRIVERS_GENERIC         << 
3018         select NO_GENERIC_PCI_IOPORT_MAP      << 
3019         select PCI_DOMAINS if PCI             << 
3020                                               << 
3021 #                                             << 
3022 # ISA support is now enabled via select.  Too << 
3023 # or other ISA chip on the board that users d << 
3024 # users to choose the right thing ...         << 
3025 #                                             << 
3026 config ISA                                    << 
3027         bool                                  << 
3028                                               << 
3029 config TC                                     << 
3030         bool "TURBOchannel support"           << 
3031         depends on MACH_DECSTATION            << 
3032         help                                  << 
3033           TURBOchannel is a DEC (now Compaq ( << 
3034           processors.  TURBOchannel programmi << 
3035           at:                                 << 
3036           <ftp://ftp.hp.com/pub/alphaserver/a << 
3037           and:                                << 
3038           <http://www.computer-refuge.org/cla << 
3039           Linux driver support status is docu << 
3040           <http://www.linux-mips.org/wiki/DEC << 
3041                                               << 
3042 config MMU                                    << 
3043         bool                                  << 
3044         default y                             << 
3045                                               << 
3046 config ARCH_MMAP_RND_BITS_MIN                 << 
3047         default 12 if 64BIT                   << 
3048         default 8                             << 
3049                                               << 
3050 config ARCH_MMAP_RND_BITS_MAX                 << 
3051         default 18 if 64BIT                   << 
3052         default 15                            << 
3053                                               << 
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN          << 
3055         default 8                             << 
3056                                               << 
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX          << 
3058         default 15                            << 
3059                                               << 
3060 config I8253                                  << 
3061         bool                                  << 
3062         select CLKSRC_I8253                   << 
3063         select CLKEVT_I8253                   << 
3064         select MIPS_EXTERNAL_TIMER            << 
3065 endmenu                                          517 endmenu
3066                                                  518 
3067 config TRAD_SIGNALS                           << 
3068         bool                                  << 
3069                                               << 
3070 config MIPS32_COMPAT                          << 
3071         bool                                  << 
3072                                               << 
3073 config COMPAT                                    519 config COMPAT
3074         bool                                     520         bool
3075                                               !! 521         depends on SPARC64
3076 config MIPS32_O32                             !! 522         default y
3077         bool "Kernel support for o32 binaries !! 523         select COMPAT_BINFMT_ELF
3078         depends on 64BIT                      !! 524         select HAVE_UID16
3079         select ARCH_WANT_OLD_COMPAT_IPC          525         select ARCH_WANT_OLD_COMPAT_IPC
3080         select COMPAT                         !! 526         select COMPAT_OLD_SIGACTION
3081         select MIPS32_COMPAT                  << 
3082         help                                  << 
3083           Select this option if you want to r << 
3084           32-bit binaries as used by the 32-b << 
3085           existing binaries are in this forma << 
3086                                               << 
3087           If unsure, say Y.                   << 
3088                                               << 
3089 config MIPS32_N32                             << 
3090         bool "Kernel support for n32 binaries << 
3091         depends on 64BIT                      << 
3092         select ARCH_WANT_COMPAT_IPC_PARSE_VER << 
3093         select COMPAT                         << 
3094         select MIPS32_COMPAT                  << 
3095         help                                  << 
3096           Select this option if you want to r << 
3097           64-bit binaries using 32-bit quanti << 
3098           data that would normally be 64-bit. << 
3099           cases.                              << 
3100                                                  527 
3101           If unsure, say N.                   !! 528 config SYSVIPC_COMPAT
3102                                               << 
3103 config CC_HAS_MNO_BRANCH_LIKELY               << 
3104         def_bool y                            << 
3105         depends on $(cc-option,-mno-branch-li << 
3106                                               << 
3107 # https://github.com/llvm/llvm-project/issues << 
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH     << 
3109         def_bool y if CC_IS_CLANG             << 
3110                                               << 
3111 menu "Power management options"               << 
3112                                               << 
3113 config ARCH_HIBERNATION_POSSIBLE              << 
3114         def_bool y                            << 
3115         depends on SYS_SUPPORTS_HOTPLUG_CPU | << 
3116                                               << 
3117 config ARCH_SUSPEND_POSSIBLE                  << 
3118         def_bool y                            << 
3119         depends on SYS_SUPPORTS_HOTPLUG_CPU | << 
3120                                               << 
3121 source "kernel/power/Kconfig"                 << 
3122                                               << 
3123 endmenu                                       << 
3124                                               << 
3125 config MIPS_EXTERNAL_TIMER                    << 
3126         bool                                     529         bool
                                                   >> 530         depends on COMPAT && SYSVIPC
                                                   >> 531         default y
3127                                                  532 
3128 menu "CPU Power Management"                   !! 533 source "drivers/sbus/char/Kconfig"
3129                                               << 
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME << 
3131 source "drivers/cpufreq/Kconfig"              << 
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL << 
3133                                               << 
3134 source "drivers/cpuidle/Kconfig"              << 
3135                                               << 
3136 endmenu                                       << 
3137                                               << 
3138 source "arch/mips/kvm/Kconfig"                << 
3139                                               << 
3140 source "arch/mips/vdso/Kconfig"               << 
                                                      

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