1 # SPDX-License-Identifier: GPL-2.0 <<
2 config MIPS 1 config MIPS
3 bool 2 bool
4 default y 3 default y
5 select ARCH_32BIT_OFF_T if !64BIT !! 4 select HAVE_GENERIC_DMA_COHERENT
6 select ARCH_BINFMT_ELF_STATE if MIPS_F !! 5 select HAVE_IDE
7 select ARCH_HAS_CPU_CACHE_ALIASING !! 6 select HAVE_OPROFILE
8 select ARCH_HAS_CPU_FINALIZE_INIT !! 7 select HAVE_ARCH_KGDB
9 select ARCH_HAS_CURRENT_STACK_POINTER !! 8 # Horrible source of confusion. Die, die, die ...
10 select ARCH_HAS_DEBUG_VIRTUAL if !64BI !! 9 select EMBEDDED
11 select ARCH_HAS_DMA_OPS if MACH_JAZZ !! 10 select RTC_LIB if !LEMOTE_FULOONG2E
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 11
114 config MIPS_GENERIC !! 12 mainmenu "Linux/MIPS Kernel Configuration"
115 bool <<
116 13
117 config MACH_GENERIC_CORE !! 14 menu "Machine selection"
118 bool <<
119 15
120 config MACH_INGENIC !! 16 config ZONE_DMA
121 bool 17 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 18
138 choice 19 choice
139 prompt "System type" 20 prompt "System type"
140 default MIPS_GENERIC_KERNEL !! 21 default SGI_IP22
141 22
142 config MIPS_GENERIC_KERNEL !! 23 config MACH_ALCHEMY
143 bool "Generic board-agnostic MIPS kern !! 24 bool "Alchemy processor based machines"
144 select MIPS_GENERIC !! 25
145 select BOOT_RAW !! 26 config AR7
146 select BUILTIN_DTB !! 27 bool "Texas Instruments AR7"
>> 28 select BOOT_ELF32
>> 29 select DMA_NONCOHERENT
147 select CEVT_R4K 30 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 31 select CSRC_R4K
153 select DMA_NONCOHERENT !! 32 select IRQ_CPU
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 33 select NO_EXCEPT_FILL
162 select PCI_DRIVERS_GENERIC <<
163 select SMP_UP if SMP <<
164 select SWAP_IO_SPACE 34 select SWAP_IO_SPACE
165 select SYS_HAS_CPU_MIPS32_R1 35 select SYS_HAS_CPU_MIPS32_R1
166 select SYS_HAS_CPU_MIPS32_R2 !! 36 select SYS_HAS_EARLY_PRINTK
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 37 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 38 select SYS_SUPPORTS_LITTLE_ENDIAN
178 select SYS_SUPPORTS_MICROMIPS !! 39 select GENERIC_GPIO
179 select SYS_SUPPORTS_MIPS16 !! 40 select GCD
180 select SYS_SUPPORTS_MIPS_CPS !! 41 select VLYNQ
181 select SYS_SUPPORTS_MULTITHREADING !! 42 help
182 select SYS_SUPPORTS_RELOCATABLE !! 43 Support for the Texas Instruments AR7 System-on-a-Chip
183 select SYS_SUPPORTS_SMARTMIPS !! 44 family: TNETD7100, 7200 and 7300.
184 select SYS_SUPPORTS_ZBOOT !! 45
185 select UHI_BOOT !! 46 config BASLER_EXCITE
186 select USB_EHCI_BIG_ENDIAN_DESC if CPU !! 47 bool "Basler eXcite smart camera"
187 select USB_EHCI_BIG_ENDIAN_MMIO if CPU !! 48 select CEVT_R4K
188 select USB_OHCI_BIG_ENDIAN_DESC if CPU !! 49 select CSRC_R4K
189 select USB_OHCI_BIG_ENDIAN_MMIO if CPU !! 50 select DMA_COHERENT
190 select USB_UHCI_BIG_ENDIAN_DESC if CPU !! 51 select HW_HAS_PCI
191 select USB_UHCI_BIG_ENDIAN_MMIO if CPU !! 52 select IRQ_CPU
192 select USE_OF !! 53 select IRQ_CPU_RM7K
193 help !! 54 select IRQ_CPU_RM9K
194 Select this to build a kernel which !! 55 select MIPS_RM9122
195 generally using a flattened device t !! 56 select SYS_HAS_CPU_RM9000
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 57 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 58 select SYS_SUPPORTS_BIG_ENDIAN
223 select SYS_SUPPORTS_32BIT_KERNEL <<
224 select SYS_HAS_EARLY_PRINTK <<
225 help 59 help
226 Support for Atheros AR231x and Ather !! 60 The eXcite is a smart camera platform manufactured by
227 !! 61 Basler Vision Technologies AG.
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 62
290 config BCM47XX 63 config BCM47XX
291 bool "Broadcom BCM47XX based boards" !! 64 bool "BCM47XX based boards"
292 select BOOT_RAW <<
293 select CEVT_R4K 65 select CEVT_R4K
294 select CSRC_R4K 66 select CSRC_R4K
295 select DMA_NONCOHERENT 67 select DMA_NONCOHERENT
296 select HAVE_PCI !! 68 select HW_HAS_PCI
297 select IRQ_MIPS_CPU !! 69 select IRQ_CPU
298 select SYS_HAS_CPU_MIPS32_R1 70 select SYS_HAS_CPU_MIPS32_R1
299 select NO_EXCEPT_FILL <<
300 select SYS_SUPPORTS_32BIT_KERNEL 71 select SYS_SUPPORTS_32BIT_KERNEL
301 select SYS_SUPPORTS_LITTLE_ENDIAN 72 select SYS_SUPPORTS_LITTLE_ENDIAN
302 select SYS_SUPPORTS_MIPS16 !! 73 select SSB
303 select SYS_SUPPORTS_ZBOOT !! 74 select SSB_DRIVER_MIPS
>> 75 select SSB_DRIVER_EXTIF
>> 76 select SSB_EMBEDDED
>> 77 select SSB_PCICORE_HOSTMODE if PCI
>> 78 select GENERIC_GPIO
304 select SYS_HAS_EARLY_PRINTK 79 select SYS_HAS_EARLY_PRINTK
305 select USE_GENERIC_EARLY_PRINTK_8250 !! 80 select CFE
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 81 help
312 Support for BCM47XX based boards !! 82 Support for BCM47XX based boards
313 83
314 config BCM63XX 84 config BCM63XX
315 bool "Broadcom BCM63XX based boards" 85 bool "Broadcom BCM63XX based boards"
316 select BOOT_RAW <<
317 select CEVT_R4K 86 select CEVT_R4K
318 select CSRC_R4K 87 select CSRC_R4K
319 select SYNC_R4K <<
320 select DMA_NONCOHERENT 88 select DMA_NONCOHERENT
321 select IRQ_MIPS_CPU !! 89 select IRQ_CPU
>> 90 select SYS_HAS_CPU_MIPS32_R1
322 select SYS_SUPPORTS_32BIT_KERNEL 91 select SYS_SUPPORTS_32BIT_KERNEL
323 select SYS_SUPPORTS_BIG_ENDIAN 92 select SYS_SUPPORTS_BIG_ENDIAN
324 select SYS_HAS_EARLY_PRINTK 93 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 94 select SWAP_IO_SPACE
329 select GPIOLIB !! 95 select ARCH_REQUIRE_GPIOLIB
330 select MIPS_L1_CACHE_SHIFT_4 <<
331 select HAVE_LEGACY_CLK <<
332 help 96 help
333 Support for BCM63XX based boards !! 97 Support for BCM63XX based boards
334 98
335 config MIPS_COBALT 99 config MIPS_COBALT
336 bool "Cobalt Server" 100 bool "Cobalt Server"
337 select CEVT_R4K 101 select CEVT_R4K
338 select CSRC_R4K 102 select CSRC_R4K
339 select CEVT_GT641XX 103 select CEVT_GT641XX
340 select DMA_NONCOHERENT 104 select DMA_NONCOHERENT
341 select FORCE_PCI !! 105 select HW_HAS_PCI
342 select I8253 106 select I8253
343 select I8259 107 select I8259
344 select IRQ_MIPS_CPU !! 108 select IRQ_CPU
345 select IRQ_GT641XX 109 select IRQ_GT641XX
346 select PCI_GT64XXX_PCI0 110 select PCI_GT64XXX_PCI0
>> 111 select PCI
347 select SYS_HAS_CPU_NEVADA 112 select SYS_HAS_CPU_NEVADA
348 select SYS_HAS_EARLY_PRINTK 113 select SYS_HAS_EARLY_PRINTK
349 select SYS_SUPPORTS_32BIT_KERNEL 114 select SYS_SUPPORTS_32BIT_KERNEL
350 select SYS_SUPPORTS_64BIT_KERNEL 115 select SYS_SUPPORTS_64BIT_KERNEL
351 select SYS_SUPPORTS_LITTLE_ENDIAN 116 select SYS_SUPPORTS_LITTLE_ENDIAN
352 select USE_GENERIC_EARLY_PRINTK_8250 <<
353 117
354 config MACH_DECSTATION 118 config MACH_DECSTATION
355 bool "DECstations" 119 bool "DECstations"
356 select BOOT_ELF32 120 select BOOT_ELF32
357 select CEVT_DS1287 121 select CEVT_DS1287
358 select CEVT_R4K if CPU_R4X00 !! 122 select CEVT_R4K
359 select CSRC_IOASIC 123 select CSRC_IOASIC
360 select CSRC_R4K if CPU_R4X00 !! 124 select CSRC_R4K
361 select CPU_DADDI_WORKAROUNDS if 64BIT 125 select CPU_DADDI_WORKAROUNDS if 64BIT
362 select CPU_R4000_WORKAROUNDS if 64BIT 126 select CPU_R4000_WORKAROUNDS if 64BIT
363 select CPU_R4400_WORKAROUNDS if 64BIT 127 select CPU_R4400_WORKAROUNDS if 64BIT
364 select DMA_NONCOHERENT 128 select DMA_NONCOHERENT
365 select NO_IOPORT_MAP !! 129 select NO_IOPORT
366 select IRQ_MIPS_CPU !! 130 select IRQ_CPU
367 select SYS_HAS_CPU_R3000 131 select SYS_HAS_CPU_R3000
368 select SYS_HAS_CPU_R4X00 132 select SYS_HAS_CPU_R4X00
369 select SYS_SUPPORTS_32BIT_KERNEL 133 select SYS_SUPPORTS_32BIT_KERNEL
370 select SYS_SUPPORTS_64BIT_KERNEL !! 134 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
371 select SYS_SUPPORTS_LITTLE_ENDIAN 135 select SYS_SUPPORTS_LITTLE_ENDIAN
372 select SYS_SUPPORTS_128HZ 136 select SYS_SUPPORTS_128HZ
373 select SYS_SUPPORTS_256HZ 137 select SYS_SUPPORTS_256HZ
374 select SYS_SUPPORTS_1024HZ 138 select SYS_SUPPORTS_1024HZ
375 select MIPS_L1_CACHE_SHIFT_4 <<
376 help 139 help
377 This enables support for DEC's MIPS 140 This enables support for DEC's MIPS based workstations. For details
378 see the Linux/MIPS FAQ on <http://ww 141 see the Linux/MIPS FAQ on <http://www.linux-mips.org/> and the
379 DECstation porting pages on <http:// 142 DECstation porting pages on <http://decstation.unix-ag.org/>.
380 143
381 If you have one of the following DEC 144 If you have one of the following DECstation Models you definitely
382 want to choose R4xx0 for the CPU Typ 145 want to choose R4xx0 for the CPU Type:
383 146
384 DECstation 5000/50 147 DECstation 5000/50
385 DECstation 5000/150 148 DECstation 5000/150
386 DECstation 5000/260 149 DECstation 5000/260
387 DECsystem 5900/260 150 DECsystem 5900/260
388 151
389 otherwise choose R3000. 152 otherwise choose R3000.
390 153
391 config MACH_JAZZ 154 config MACH_JAZZ
392 bool "Jazz family of machines" 155 bool "Jazz family of machines"
393 select ARC_MEMORY !! 156 select ARC
394 select ARC_PROMLIB !! 157 select ARC32
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 158 select ARCH_MAY_HAVE_PC_FDC
400 select CEVT_R4K 159 select CEVT_R4K
401 select CSRC_R4K 160 select CSRC_R4K
402 select DEFAULT_SGI_PARTITION if CPU_BI 161 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
403 select GENERIC_ISA_DMA 162 select GENERIC_ISA_DMA
404 select HAVE_PCSPKR_PLATFORM !! 163 select IRQ_CPU
405 select IRQ_MIPS_CPU <<
406 select I8253 164 select I8253
407 select I8259 165 select I8259
408 select ISA 166 select ISA
409 select SYS_HAS_CPU_R4X00 167 select SYS_HAS_CPU_R4X00
410 select SYS_SUPPORTS_32BIT_KERNEL 168 select SYS_SUPPORTS_32BIT_KERNEL
411 select SYS_SUPPORTS_64BIT_KERNEL !! 169 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
412 select SYS_SUPPORTS_100HZ 170 select SYS_SUPPORTS_100HZ
413 select SYS_SUPPORTS_LITTLE_ENDIAN <<
414 help 171 help
415 This a family of machines based on t !! 172 This a family of machines based on the MIPS R4030 chipset which was
416 used by several vendors to build RIS !! 173 used by several vendors to build RISC/os and Windows NT workstations.
417 Members include the Acer PICA, MIPS !! 174 Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
418 Olivetti M700-10 workstations. !! 175 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 <<
428 176
429 config LANTIQ !! 177 config LASAT
430 bool "Lantiq based platforms" !! 178 bool "LASAT Networks platforms"
431 select DMA_NONCOHERENT <<
432 select IRQ_MIPS_CPU <<
433 select CEVT_R4K 179 select CEVT_R4K
434 select CSRC_R4K 180 select CSRC_R4K
435 select NO_EXCEPT_FILL !! 181 select DMA_NONCOHERENT
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 182 select SYS_HAS_EARLY_PRINTK
492 select SYS_SUPPORTS_SMP !! 183 select HW_HAS_PCI
493 select SYS_SUPPORTS_HOTPLUG_CPU !! 184 select IRQ_CPU
494 select SYS_SUPPORTS_NUMA !! 185 select PCI_GT64XXX_PCI0
495 select SYS_SUPPORTS_64BIT_KERNEL !! 186 select MIPS_NILE4
496 select SYS_SUPPORTS_HIGHMEM !! 187 select R5000_CPU_SCACHE
>> 188 select SYS_HAS_CPU_R5000
>> 189 select SYS_SUPPORTS_32BIT_KERNEL
>> 190 select SYS_SUPPORTS_64BIT_KERNEL if BROKEN
497 select SYS_SUPPORTS_LITTLE_ENDIAN 191 select SYS_SUPPORTS_LITTLE_ENDIAN
498 select SYS_SUPPORTS_ZBOOT !! 192
499 select SYS_SUPPORTS_RELOCATABLE !! 193 config MACH_LOONGSON
500 select ZONE_DMA32 !! 194 bool "Loongson family of machines"
501 select COMMON_CLK !! 195 help
502 select USE_OF !! 196 This enables the support of Loongson family of machines.
503 select BUILTIN_DTB !! 197
504 select PCI_HOST_GENERIC !! 198 Loongson is a family of general-purpose MIPS-compatible CPUs.
505 help !! 199 developed at Institute of Computing Technology (ICT),
506 This enables the support of Loongson !! 200 Chinese Academy of Sciences (CAS) in the People's Republic
507 !! 201 of China. The chief architect is Professor Weiwu Hu.
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 <<
512 202
513 config MIPS_MALTA 203 config MIPS_MALTA
514 bool "MIPS Malta board" 204 bool "MIPS Malta board"
515 select ARCH_MAY_HAVE_PC_FDC 205 select ARCH_MAY_HAVE_PC_FDC
516 select ARCH_MIGHT_HAVE_PC_PARPORT <<
517 select ARCH_MIGHT_HAVE_PC_SERIO <<
518 select BOOT_ELF32 206 select BOOT_ELF32
519 select BOOT_RAW 207 select BOOT_RAW
520 select BUILTIN_DTB <<
521 select CEVT_R4K 208 select CEVT_R4K
522 select CLKSRC_MIPS_GIC <<
523 select COMMON_CLK <<
524 select CSRC_R4K 209 select CSRC_R4K
525 select DMA_NONCOHERENT 210 select DMA_NONCOHERENT
526 select GENERIC_ISA_DMA 211 select GENERIC_ISA_DMA
527 select HAVE_PCSPKR_PLATFORM !! 212 select IRQ_CPU
528 select HAVE_PCI !! 213 select IRQ_GIC
>> 214 select HW_HAS_PCI
529 select I8253 215 select I8253
530 select I8259 216 select I8259
531 select IRQ_MIPS_CPU !! 217 select MIPS_BOARDS_GEN
532 select MIPS_BONITO64 218 select MIPS_BONITO64
533 select MIPS_CPU_SCACHE 219 select MIPS_CPU_SCACHE
534 select MIPS_GIC <<
535 select MIPS_L1_CACHE_SHIFT_6 <<
536 select MIPS_MSC <<
537 select PCI_GT64XXX_PCI0 220 select PCI_GT64XXX_PCI0
538 select SMP_UP if SMP !! 221 select MIPS_MSC
539 select SWAP_IO_SPACE 222 select SWAP_IO_SPACE
540 select SYS_HAS_CPU_MIPS32_R1 223 select SYS_HAS_CPU_MIPS32_R1
541 select SYS_HAS_CPU_MIPS32_R2 224 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 225 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 226 select SYS_HAS_CPU_NEVADA
549 select SYS_HAS_CPU_RM7000 227 select SYS_HAS_CPU_RM7000
>> 228 select SYS_HAS_EARLY_PRINTK
550 select SYS_SUPPORTS_32BIT_KERNEL 229 select SYS_SUPPORTS_32BIT_KERNEL
551 select SYS_SUPPORTS_64BIT_KERNEL 230 select SYS_SUPPORTS_64BIT_KERNEL
552 select SYS_SUPPORTS_BIG_ENDIAN 231 select SYS_SUPPORTS_BIG_ENDIAN
553 select SYS_SUPPORTS_HIGHMEM <<
554 select SYS_SUPPORTS_LITTLE_ENDIAN 232 select SYS_SUPPORTS_LITTLE_ENDIAN
555 select SYS_SUPPORTS_MICROMIPS !! 233 select SYS_SUPPORTS_MIPS_CMP
556 select SYS_SUPPORTS_MIPS16 <<
557 select SYS_SUPPORTS_MIPS_CPS <<
558 select SYS_SUPPORTS_MULTITHREADING 234 select SYS_SUPPORTS_MULTITHREADING
559 select SYS_SUPPORTS_RELOCATABLE <<
560 select SYS_SUPPORTS_SMARTMIPS 235 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 236 help
567 This enables support for the MIPS Te 237 This enables support for the MIPS Technologies Malta evaluation
568 board. 238 board.
569 239
570 config MACH_PIC32 !! 240 config MIPS_SIM
571 bool "Microchip PIC32 Family" !! 241 bool 'MIPS simulator (MIPSsim)'
572 help <<
573 This enables support for the Microch <<
574 <<
575 Microchip PIC32 is a family of gener <<
576 microcontrollers. <<
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 242 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 243 select CSRC_R4K
592 select DMA_NONCOHERENT 244 select DMA_NONCOHERENT
593 select HAVE_PCI !! 245 select SYS_HAS_EARLY_PRINTK
594 select IRQ_MIPS_CPU !! 246 select IRQ_CPU
595 select MIPS_AUTO_PFN_OFFSET !! 247 select BOOT_RAW
596 select MIPS_CPU_SCACHE !! 248 select SYS_HAS_CPU_MIPS32_R1
597 select MIPS_GIC !! 249 select SYS_HAS_CPU_MIPS32_R2
598 select MIPS_L1_CACHE_SHIFT_7 !! 250 select SYS_HAS_EARLY_PRINTK
599 select PCI_DRIVERS_GENERIC !! 251 select SYS_SUPPORTS_32BIT_KERNEL
600 select SMP_UP if SMP !! 252 select SYS_SUPPORTS_BIG_ENDIAN
601 select SWAP_IO_SPACE !! 253 select SYS_SUPPORTS_MULTITHREADING
602 select SYS_HAS_CPU_MIPS64_R6 <<
603 select SYS_SUPPORTS_64BIT_KERNEL <<
604 select SYS_SUPPORTS_HIGHMEM <<
605 select SYS_SUPPORTS_LITTLE_ENDIAN 254 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 255 help
618 Select this to build a kernel suppor !! 256 This option enables support for MIPS Technologies MIPSsim software
>> 257 emulator.
619 258
620 bool !! 259 config NEC_MARKEINS
>> 260 bool "NEC EMMA2RH Mark-eins board"
>> 261 select SOC_EMMA2RH
>> 262 select HW_HAS_PCI
>> 263 help
>> 264 This enables support for the NEC Electronics Mark-eins boards.
621 265
622 config MACH_NINTENDO64 !! 266 config MACH_VR41XX
623 bool "Nintendo 64 console" !! 267 bool "NEC VR4100 series based machines"
624 select CEVT_R4K 268 select CEVT_R4K
625 select CSRC_R4K 269 select CSRC_R4K
626 select SYS_HAS_CPU_R4300 !! 270 select SYS_HAS_CPU_VR41XX
627 select SYS_SUPPORTS_BIG_ENDIAN !! 271 select ARCH_REQUIRE_GPIOLIB
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 <<
633 272
634 config RALINK !! 273 config NXP_STB220
635 bool "Ralink based machines" !! 274 bool "NXP STB220 board"
636 select CEVT_R4K !! 275 select SOC_PNX833X
637 select COMMON_CLK !! 276 help
638 select CSRC_R4K !! 277 Support for NXP Semiconductors STB220 Development Board.
639 select BOOT_RAW !! 278
640 select DMA_NONCOHERENT !! 279 config NXP_STB225
641 select IRQ_MIPS_CPU !! 280 bool "NXP 225 board"
642 select USE_OF !! 281 select SOC_PNX833X
643 select SYS_HAS_CPU_MIPS32_R2 !! 282 select SOC_PNX8335
644 select SYS_SUPPORTS_32BIT_KERNEL !! 283 help
>> 284 Support for NXP Semiconductors STB225 Development Board.
>> 285
>> 286 config PNX8550_JBS
>> 287 bool "NXP PNX8550 based JBS board"
>> 288 select PNX8550
>> 289 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 290
>> 291 config PNX8550_STB810
>> 292 bool "NXP PNX8550 based STB810 board"
>> 293 select PNX8550
645 select SYS_SUPPORTS_LITTLE_ENDIAN 294 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 <<
651 295
652 config MACH_REALTEK_RTL !! 296 config PMC_MSP
653 bool "Realtek RTL838x/RTL839x based ma !! 297 bool "PMC-Sierra MSP chipsets"
654 select MIPS_GENERIC !! 298 depends on EXPERIMENTAL
655 select MACH_GENERIC_CORE <<
656 select DMA_NONCOHERENT 299 select DMA_NONCOHERENT
657 select IRQ_MIPS_CPU !! 300 select SWAP_IO_SPACE
658 select CSRC_R4K !! 301 select NO_EXCEPT_FILL
659 select CEVT_R4K !! 302 select BOOT_RAW
660 select SYS_HAS_CPU_MIPS32_R1 303 select SYS_HAS_CPU_MIPS32_R1
661 select SYS_HAS_CPU_MIPS32_R2 304 select SYS_HAS_CPU_MIPS32_R2
>> 305 select SYS_SUPPORTS_32BIT_KERNEL
662 select SYS_SUPPORTS_BIG_ENDIAN 306 select SYS_SUPPORTS_BIG_ENDIAN
>> 307 select IRQ_CPU
>> 308 select SERIAL_8250
>> 309 select SERIAL_8250_CONSOLE
>> 310 help
>> 311 This adds support for the PMC-Sierra family of Multi-Service
>> 312 Processor System-On-A-Chips. These parts include a number
>> 313 of integrated peripherals, interfaces and DSPs in addition to
>> 314 a variety of MIPS cores.
>> 315
>> 316 config PMC_YOSEMITE
>> 317 bool "PMC-Sierra Yosemite eval board"
>> 318 select CEVT_R4K
>> 319 select CSRC_R4K
>> 320 select DMA_COHERENT
>> 321 select HW_HAS_PCI
>> 322 select IRQ_CPU
>> 323 select IRQ_CPU_RM7K
>> 324 select IRQ_CPU_RM9K
>> 325 select SWAP_IO_SPACE
>> 326 select SYS_HAS_CPU_RM9000
>> 327 select SYS_HAS_EARLY_PRINTK
663 select SYS_SUPPORTS_32BIT_KERNEL 328 select SYS_SUPPORTS_32BIT_KERNEL
664 select SYS_SUPPORTS_MIPS16 !! 329 select SYS_SUPPORTS_64BIT_KERNEL
665 select SYS_SUPPORTS_MULTITHREADING !! 330 select SYS_SUPPORTS_BIG_ENDIAN
666 select SYS_SUPPORTS_VPE_LOADER !! 331 select SYS_SUPPORTS_HIGHMEM
667 select BOOT_RAW !! 332 select SYS_SUPPORTS_SMP
668 select PINCTRL !! 333 help
669 select USE_OF !! 334 Yosemite is an evaluation board for the RM9000x2 processor
670 select REALTEK_OTTO_TIMER !! 335 manufactured by PMC-Sierra.
671 336
672 config SGI_IP22 337 config SGI_IP22
673 bool "SGI IP22 (Indy/Indigo2)" 338 bool "SGI IP22 (Indy/Indigo2)"
674 select ARC_MEMORY !! 339 select ARC
675 select ARC_PROMLIB !! 340 select ARC32
676 select FW_ARC <<
677 select FW_ARC32 <<
678 select ARCH_MIGHT_HAVE_PC_SERIO <<
679 select BOOT_ELF32 341 select BOOT_ELF32
680 select CEVT_R4K 342 select CEVT_R4K
681 select CSRC_R4K 343 select CSRC_R4K
682 select DEFAULT_SGI_PARTITION 344 select DEFAULT_SGI_PARTITION
683 select DMA_NONCOHERENT 345 select DMA_NONCOHERENT
684 select HAVE_EISA !! 346 select HW_HAS_EISA
685 select I8253 347 select I8253
686 select I8259 348 select I8259
687 select IP22_CPU_SCACHE 349 select IP22_CPU_SCACHE
688 select IRQ_MIPS_CPU !! 350 select IRQ_CPU
689 select GENERIC_ISA_DMA_SUPPORT_BROKEN 351 select GENERIC_ISA_DMA_SUPPORT_BROKEN
690 select SGI_HAS_I8042 352 select SGI_HAS_I8042
691 select SGI_HAS_INDYDOG 353 select SGI_HAS_INDYDOG
692 select SGI_HAS_HAL2 354 select SGI_HAS_HAL2
693 select SGI_HAS_SEEQ 355 select SGI_HAS_SEEQ
694 select SGI_HAS_WD93 356 select SGI_HAS_WD93
695 select SGI_HAS_ZILOG 357 select SGI_HAS_ZILOG
696 select SWAP_IO_SPACE 358 select SWAP_IO_SPACE
697 select SYS_HAS_CPU_R4X00 359 select SYS_HAS_CPU_R4X00
698 select SYS_HAS_CPU_R5000 360 select SYS_HAS_CPU_R5000
699 select SYS_HAS_EARLY_PRINTK !! 361 #
>> 362 # Disable EARLY_PRINTK for now since it leads to overwritten prom
>> 363 # memory during early boot on some machines.
>> 364 #
>> 365 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
>> 366 # for a more details discussion
>> 367 #
>> 368 # select SYS_HAS_EARLY_PRINTK
700 select SYS_SUPPORTS_32BIT_KERNEL 369 select SYS_SUPPORTS_32BIT_KERNEL
701 select SYS_SUPPORTS_64BIT_KERNEL 370 select SYS_SUPPORTS_64BIT_KERNEL
702 select SYS_SUPPORTS_BIG_ENDIAN 371 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 372 help
708 This are the SGI Indy, Challenge S a 373 This are the SGI Indy, Challenge S and Indigo2, as well as certain
709 OEM variants like the Tandem CMN B00 374 OEM variants like the Tandem CMN B006S. To compile a Linux kernel
710 that runs on these, say Y here. 375 that runs on these, say Y here.
711 376
712 config SGI_IP27 377 config SGI_IP27
713 bool "SGI IP27 (Origin200/2000)" 378 bool "SGI IP27 (Origin200/2000)"
714 select ARCH_HAS_PHYS_TO_DMA !! 379 select ARC
715 select ARCH_SPARSEMEM_ENABLE !! 380 select ARC64
716 select FW_ARC <<
717 select FW_ARC64 <<
718 select ARC_CMDLINE_ONLY <<
719 select BOOT_ELF64 381 select BOOT_ELF64
720 select DEFAULT_SGI_PARTITION 382 select DEFAULT_SGI_PARTITION
721 select FORCE_PCI !! 383 select DMA_COHERENT
722 select SYS_HAS_EARLY_PRINTK 384 select SYS_HAS_EARLY_PRINTK
723 select HAVE_PCI !! 385 select HW_HAS_PCI
724 select IRQ_MIPS_CPU <<
725 select IRQ_DOMAIN_HIERARCHY <<
726 select NR_CPUS_DEFAULT_64 386 select NR_CPUS_DEFAULT_64
727 select PCI_DRIVERS_GENERIC <<
728 select PCI_XTALK_BRIDGE <<
729 select SYS_HAS_CPU_R10000 387 select SYS_HAS_CPU_R10000
730 select SYS_SUPPORTS_64BIT_KERNEL 388 select SYS_SUPPORTS_64BIT_KERNEL
731 select SYS_SUPPORTS_BIG_ENDIAN 389 select SYS_SUPPORTS_BIG_ENDIAN
732 select SYS_SUPPORTS_NUMA 390 select SYS_SUPPORTS_NUMA
733 select SYS_SUPPORTS_SMP 391 select SYS_SUPPORTS_SMP
734 select WAR_R10000_LLSC <<
735 select MIPS_L1_CACHE_SHIFT_7 <<
736 select NUMA <<
737 help 392 help
738 This are the SGI Origin 200, Origin 393 This are the SGI Origin 200, Origin 2000 and Onyx 2 Graphics
739 workstations. To compile a Linux ke 394 workstations. To compile a Linux kernel that runs on these, say Y
740 here. 395 here.
741 396
742 config SGI_IP28 397 config SGI_IP28
743 bool "SGI IP28 (Indigo2 R10k)" !! 398 bool "SGI IP28 (Indigo2 R10k) (EXPERIMENTAL)"
744 select ARC_MEMORY !! 399 depends on EXPERIMENTAL
745 select ARC_PROMLIB !! 400 select ARC
746 select FW_ARC !! 401 select ARC64
747 select FW_ARC64 <<
748 select ARCH_MIGHT_HAVE_PC_SERIO <<
749 select BOOT_ELF64 402 select BOOT_ELF64
750 select CEVT_R4K 403 select CEVT_R4K
751 select CSRC_R4K 404 select CSRC_R4K
752 select DEFAULT_SGI_PARTITION 405 select DEFAULT_SGI_PARTITION
753 select DMA_NONCOHERENT 406 select DMA_NONCOHERENT
754 select GENERIC_ISA_DMA_SUPPORT_BROKEN 407 select GENERIC_ISA_DMA_SUPPORT_BROKEN
755 select IRQ_MIPS_CPU !! 408 select IRQ_CPU
756 select HAVE_EISA !! 409 select HW_HAS_EISA
757 select I8253 410 select I8253
758 select I8259 411 select I8259
759 select SGI_HAS_I8042 412 select SGI_HAS_I8042
760 select SGI_HAS_INDYDOG 413 select SGI_HAS_INDYDOG
761 select SGI_HAS_HAL2 414 select SGI_HAS_HAL2
762 select SGI_HAS_SEEQ 415 select SGI_HAS_SEEQ
763 select SGI_HAS_WD93 416 select SGI_HAS_WD93
764 select SGI_HAS_ZILOG 417 select SGI_HAS_ZILOG
765 select SWAP_IO_SPACE 418 select SWAP_IO_SPACE
766 select SYS_HAS_CPU_R10000 419 select SYS_HAS_CPU_R10000
767 select SYS_HAS_EARLY_PRINTK !! 420 #
768 select SYS_SUPPORTS_64BIT_KERNEL !! 421 # Disable EARLY_PRINTK for now since it leads to overwritten prom
769 select SYS_SUPPORTS_BIG_ENDIAN !! 422 # memory during early boot on some machines.
770 select WAR_R10000_LLSC !! 423 #
771 select MIPS_L1_CACHE_SHIFT_7 !! 424 # See http://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=20091119164009.GA15038%40deprecation.cyrius.com
772 help !! 425 # for a more details discussion
773 This is the SGI Indigo2 with R10000 !! 426 #
774 kernel that runs on these, say Y her !! 427 # select SYS_HAS_EARLY_PRINTK
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 428 select SYS_SUPPORTS_64BIT_KERNEL
795 select SYS_SUPPORTS_BIG_ENDIAN 429 select SYS_SUPPORTS_BIG_ENDIAN
796 select SYS_SUPPORTS_SMP !! 430 help
797 select WAR_R10000_LLSC !! 431 This is the SGI Indigo2 with R10000 processor. To compile a Linux
798 select MIPS_L1_CACHE_SHIFT_7 !! 432 kernel that runs on these, say Y here.
799 select ARC_MEMORY <<
800 help <<
801 These are the SGI Octane and Octane2 <<
802 compile a Linux kernel that runs on <<
803 433
804 config SGI_IP32 434 config SGI_IP32
805 bool "SGI IP32 (O2)" 435 bool "SGI IP32 (O2)"
806 select ARC_MEMORY !! 436 select ARC
807 select ARC_PROMLIB !! 437 select ARC32
808 select ARCH_HAS_PHYS_TO_DMA <<
809 select FW_ARC <<
810 select FW_ARC32 <<
811 select BOOT_ELF32 438 select BOOT_ELF32
812 select CEVT_R4K 439 select CEVT_R4K
813 select CSRC_R4K 440 select CSRC_R4K
814 select DMA_NONCOHERENT 441 select DMA_NONCOHERENT
815 select HAVE_PCI !! 442 select HW_HAS_PCI
816 select IRQ_MIPS_CPU !! 443 select IRQ_CPU
817 select R5000_CPU_SCACHE 444 select R5000_CPU_SCACHE
818 select RM7000_CPU_SCACHE 445 select RM7000_CPU_SCACHE
819 select SYS_HAS_CPU_R5000 446 select SYS_HAS_CPU_R5000
820 select SYS_HAS_CPU_R10000 if BROKEN 447 select SYS_HAS_CPU_R10000 if BROKEN
821 select SYS_HAS_CPU_RM7000 448 select SYS_HAS_CPU_RM7000
822 select SYS_HAS_CPU_NEVADA 449 select SYS_HAS_CPU_NEVADA
823 select SYS_SUPPORTS_64BIT_KERNEL 450 select SYS_SUPPORTS_64BIT_KERNEL
824 select SYS_SUPPORTS_BIG_ENDIAN 451 select SYS_SUPPORTS_BIG_ENDIAN
825 select WAR_ICACHE_REFILLS <<
826 help 452 help
827 If you want this kernel to run on SG 453 If you want this kernel to run on SGI O2 workstation, say Y here.
828 454
>> 455 config SIBYTE_CRHINE
>> 456 bool "Sibyte BCM91120C-CRhine"
>> 457 depends on EXPERIMENTAL
>> 458 select BOOT_ELF32
>> 459 select DMA_COHERENT
>> 460 select SIBYTE_BCM1120
>> 461 select SWAP_IO_SPACE
>> 462 select SYS_HAS_CPU_SB1
>> 463 select SYS_SUPPORTS_BIG_ENDIAN
>> 464 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 465
>> 466 config SIBYTE_CARMEL
>> 467 bool "Sibyte BCM91120x-Carmel"
>> 468 depends on EXPERIMENTAL
>> 469 select BOOT_ELF32
>> 470 select DMA_COHERENT
>> 471 select SIBYTE_BCM1120
>> 472 select SWAP_IO_SPACE
>> 473 select SYS_HAS_CPU_SB1
>> 474 select SYS_SUPPORTS_BIG_ENDIAN
>> 475 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 476
829 config SIBYTE_CRHONE 477 config SIBYTE_CRHONE
830 bool "Sibyte BCM91125C-CRhone" 478 bool "Sibyte BCM91125C-CRhone"
>> 479 depends on EXPERIMENTAL
831 select BOOT_ELF32 480 select BOOT_ELF32
>> 481 select DMA_COHERENT
832 select SIBYTE_BCM1125 482 select SIBYTE_BCM1125
833 select SWAP_IO_SPACE 483 select SWAP_IO_SPACE
834 select SYS_HAS_CPU_SB1 484 select SYS_HAS_CPU_SB1
835 select SYS_SUPPORTS_BIG_ENDIAN 485 select SYS_SUPPORTS_BIG_ENDIAN
836 select SYS_SUPPORTS_HIGHMEM 486 select SYS_SUPPORTS_HIGHMEM
837 select SYS_SUPPORTS_LITTLE_ENDIAN 487 select SYS_SUPPORTS_LITTLE_ENDIAN
838 488
839 config SIBYTE_RHONE 489 config SIBYTE_RHONE
840 bool "Sibyte BCM91125E-Rhone" 490 bool "Sibyte BCM91125E-Rhone"
>> 491 depends on EXPERIMENTAL
841 select BOOT_ELF32 492 select BOOT_ELF32
842 select SIBYTE_SB1250 !! 493 select DMA_COHERENT
>> 494 select SIBYTE_BCM1125H
843 select SWAP_IO_SPACE 495 select SWAP_IO_SPACE
844 select SYS_HAS_CPU_SB1 496 select SYS_HAS_CPU_SB1
845 select SYS_SUPPORTS_BIG_ENDIAN 497 select SYS_SUPPORTS_BIG_ENDIAN
846 select SYS_SUPPORTS_LITTLE_ENDIAN 498 select SYS_SUPPORTS_LITTLE_ENDIAN
847 499
848 config SIBYTE_SWARM 500 config SIBYTE_SWARM
849 bool "Sibyte BCM91250A-SWARM" 501 bool "Sibyte BCM91250A-SWARM"
850 select BOOT_ELF32 502 select BOOT_ELF32
851 select HAVE_PATA_PLATFORM !! 503 select DMA_COHERENT
>> 504 select NR_CPUS_DEFAULT_2
852 select SIBYTE_SB1250 505 select SIBYTE_SB1250
853 select SWAP_IO_SPACE 506 select SWAP_IO_SPACE
854 select SYS_HAS_CPU_SB1 507 select SYS_HAS_CPU_SB1
855 select SYS_SUPPORTS_BIG_ENDIAN 508 select SYS_SUPPORTS_BIG_ENDIAN
856 select SYS_SUPPORTS_HIGHMEM 509 select SYS_SUPPORTS_HIGHMEM
857 select SYS_SUPPORTS_LITTLE_ENDIAN 510 select SYS_SUPPORTS_LITTLE_ENDIAN
858 select ZONE_DMA32 if 64BIT 511 select ZONE_DMA32 if 64BIT
859 select SWIOTLB if ARCH_DMA_ADDR_T_64BI <<
860 512
861 config SIBYTE_LITTLESUR 513 config SIBYTE_LITTLESUR
862 bool "Sibyte BCM91250C2-LittleSur" 514 bool "Sibyte BCM91250C2-LittleSur"
>> 515 depends on EXPERIMENTAL
863 select BOOT_ELF32 516 select BOOT_ELF32
864 select HAVE_PATA_PLATFORM !! 517 select DMA_COHERENT
>> 518 select NR_CPUS_DEFAULT_2
865 select SIBYTE_SB1250 519 select SIBYTE_SB1250
866 select SWAP_IO_SPACE 520 select SWAP_IO_SPACE
867 select SYS_HAS_CPU_SB1 521 select SYS_HAS_CPU_SB1
868 select SYS_SUPPORTS_BIG_ENDIAN 522 select SYS_SUPPORTS_BIG_ENDIAN
869 select SYS_SUPPORTS_HIGHMEM 523 select SYS_SUPPORTS_HIGHMEM
870 select SYS_SUPPORTS_LITTLE_ENDIAN 524 select SYS_SUPPORTS_LITTLE_ENDIAN
871 select ZONE_DMA32 if 64BIT <<
872 525
873 config SIBYTE_SENTOSA 526 config SIBYTE_SENTOSA
874 bool "Sibyte BCM91250E-Sentosa" 527 bool "Sibyte BCM91250E-Sentosa"
>> 528 depends on EXPERIMENTAL
875 select BOOT_ELF32 529 select BOOT_ELF32
>> 530 select DMA_COHERENT
>> 531 select NR_CPUS_DEFAULT_2
876 select SIBYTE_SB1250 532 select SIBYTE_SB1250
877 select SWAP_IO_SPACE 533 select SWAP_IO_SPACE
878 select SYS_HAS_CPU_SB1 534 select SYS_HAS_CPU_SB1
879 select SYS_SUPPORTS_BIG_ENDIAN 535 select SYS_SUPPORTS_BIG_ENDIAN
880 select SYS_SUPPORTS_LITTLE_ENDIAN 536 select SYS_SUPPORTS_LITTLE_ENDIAN
881 select SWIOTLB if ARCH_DMA_ADDR_T_64BI <<
882 537
883 config SIBYTE_BIGSUR 538 config SIBYTE_BIGSUR
884 bool "Sibyte BCM91480B-BigSur" 539 bool "Sibyte BCM91480B-BigSur"
885 select BOOT_ELF32 540 select BOOT_ELF32
>> 541 select DMA_COHERENT
886 select NR_CPUS_DEFAULT_4 542 select NR_CPUS_DEFAULT_4
887 select SIBYTE_BCM1x80 543 select SIBYTE_BCM1x80
888 select SWAP_IO_SPACE 544 select SWAP_IO_SPACE
889 select SYS_HAS_CPU_SB1 545 select SYS_HAS_CPU_SB1
890 select SYS_SUPPORTS_BIG_ENDIAN 546 select SYS_SUPPORTS_BIG_ENDIAN
891 select SYS_SUPPORTS_HIGHMEM 547 select SYS_SUPPORTS_HIGHMEM
892 select SYS_SUPPORTS_LITTLE_ENDIAN 548 select SYS_SUPPORTS_LITTLE_ENDIAN
893 select ZONE_DMA32 if 64BIT 549 select ZONE_DMA32 if 64BIT
894 select SWIOTLB if ARCH_DMA_ADDR_T_64BI <<
895 550
896 config SNI_RM 551 config SNI_RM
897 bool "SNI RM200/300/400" 552 bool "SNI RM200/300/400"
898 select ARC_MEMORY !! 553 select ARC if CPU_LITTLE_ENDIAN
899 select ARC_PROMLIB !! 554 select ARC32 if CPU_LITTLE_ENDIAN
900 select FW_ARC if CPU_LITTLE_ENDIAN !! 555 select SNIPROM if CPU_BIG_ENDIAN
901 select FW_ARC32 if CPU_LITTLE_ENDIAN <<
902 select FW_SNIPROM if CPU_BIG_ENDIAN <<
903 select ARCH_MAY_HAVE_PC_FDC 556 select ARCH_MAY_HAVE_PC_FDC
904 select ARCH_MIGHT_HAVE_PC_PARPORT <<
905 select ARCH_MIGHT_HAVE_PC_SERIO <<
906 select BOOT_ELF32 557 select BOOT_ELF32
907 select CEVT_R4K 558 select CEVT_R4K
908 select CSRC_R4K 559 select CSRC_R4K
909 select DEFAULT_SGI_PARTITION if CPU_BI 560 select DEFAULT_SGI_PARTITION if CPU_BIG_ENDIAN
910 select DMA_NONCOHERENT 561 select DMA_NONCOHERENT
911 select GENERIC_ISA_DMA 562 select GENERIC_ISA_DMA
912 select HAVE_EISA !! 563 select HW_HAS_EISA
913 select HAVE_PCSPKR_PLATFORM !! 564 select HW_HAS_PCI
914 select HAVE_PCI !! 565 select IRQ_CPU
915 select IRQ_MIPS_CPU <<
916 select I8253 566 select I8253
917 select I8259 567 select I8259
918 select ISA 568 select ISA
919 select MIPS_L1_CACHE_SHIFT_6 <<
920 select SWAP_IO_SPACE if CPU_BIG_ENDIAN 569 select SWAP_IO_SPACE if CPU_BIG_ENDIAN
921 select SYS_HAS_CPU_R4X00 570 select SYS_HAS_CPU_R4X00
922 select SYS_HAS_CPU_R5000 571 select SYS_HAS_CPU_R5000
923 select SYS_HAS_CPU_R10000 572 select SYS_HAS_CPU_R10000
924 select R5000_CPU_SCACHE 573 select R5000_CPU_SCACHE
925 select SYS_HAS_EARLY_PRINTK 574 select SYS_HAS_EARLY_PRINTK
926 select SYS_SUPPORTS_32BIT_KERNEL 575 select SYS_SUPPORTS_32BIT_KERNEL
927 select SYS_SUPPORTS_64BIT_KERNEL !! 576 select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
928 select SYS_SUPPORTS_BIG_ENDIAN 577 select SYS_SUPPORTS_BIG_ENDIAN
929 select SYS_SUPPORTS_HIGHMEM 578 select SYS_SUPPORTS_HIGHMEM
930 select SYS_SUPPORTS_LITTLE_ENDIAN 579 select SYS_SUPPORTS_LITTLE_ENDIAN
931 select WAR_R4600_V2_HIT_CACHEOP <<
932 help 580 help
933 The SNI RM200/300/400 are MIPS-based 581 The SNI RM200/300/400 are MIPS-based machines manufactured by
934 Siemens Nixdorf Informationssysteme 582 Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
935 Technology and now in turn merged wi 583 Technology and now in turn merged with Fujitsu. Say Y here to
936 support this machine type. 584 support this machine type.
937 585
>> 586 config MACH_TX39XX
>> 587 bool "Toshiba TX39 series based machines"
>> 588
938 config MACH_TX49XX 589 config MACH_TX49XX
939 bool "Toshiba TX49 series based machin 590 bool "Toshiba TX49 series based machines"
940 select WAR_TX49XX_ICACHE_INDEX_INV <<
941 591
942 config MIKROTIK_RB532 592 config MIKROTIK_RB532
943 bool "Mikrotik RB532 boards" 593 bool "Mikrotik RB532 boards"
944 select CEVT_R4K 594 select CEVT_R4K
945 select CSRC_R4K 595 select CSRC_R4K
946 select DMA_NONCOHERENT 596 select DMA_NONCOHERENT
947 select HAVE_PCI !! 597 select HW_HAS_PCI
948 select IRQ_MIPS_CPU !! 598 select IRQ_CPU
949 select SYS_HAS_CPU_MIPS32_R1 599 select SYS_HAS_CPU_MIPS32_R1
950 select SYS_SUPPORTS_32BIT_KERNEL 600 select SYS_SUPPORTS_32BIT_KERNEL
951 select SYS_SUPPORTS_LITTLE_ENDIAN 601 select SYS_SUPPORTS_LITTLE_ENDIAN
952 select SWAP_IO_SPACE 602 select SWAP_IO_SPACE
953 select BOOT_RAW 603 select BOOT_RAW
954 select GPIOLIB !! 604 select ARCH_REQUIRE_GPIOLIB
955 select MIPS_L1_CACHE_SHIFT_4 <<
956 help 605 help
957 Support the Mikrotik(tm) RouterBoard 606 Support the Mikrotik(tm) RouterBoard 532 series,
958 based on the IDT RC32434 SoC. 607 based on the IDT RC32434 SoC.
959 608
960 config CAVIUM_OCTEON_SOC !! 609 config WR_PPMC
961 bool "Cavium Networks Octeon SoC based !! 610 bool "Wind River PPMC board"
962 select CEVT_R4K 611 select CEVT_R4K
963 select ARCH_HAS_PHYS_TO_DMA !! 612 select CSRC_R4K
964 select HAVE_RAPIDIO !! 613 select IRQ_CPU
965 select PHYS_ADDR_T_64BIT !! 614 select BOOT_ELF32
>> 615 select DMA_NONCOHERENT
>> 616 select HW_HAS_PCI
>> 617 select PCI_GT64XXX_PCI0
>> 618 select SWAP_IO_SPACE
>> 619 select SYS_HAS_CPU_MIPS32_R1
>> 620 select SYS_HAS_CPU_MIPS32_R2
>> 621 select SYS_HAS_CPU_MIPS64_R1
>> 622 select SYS_HAS_CPU_NEVADA
>> 623 select SYS_HAS_CPU_RM7000
>> 624 select SYS_SUPPORTS_32BIT_KERNEL
966 select SYS_SUPPORTS_64BIT_KERNEL 625 select SYS_SUPPORTS_64BIT_KERNEL
967 select SYS_SUPPORTS_BIG_ENDIAN 626 select SYS_SUPPORTS_BIG_ENDIAN
968 select EDAC_SUPPORT <<
969 select EDAC_ATOMIC_SCRUB <<
970 select SYS_SUPPORTS_LITTLE_ENDIAN 627 select SYS_SUPPORTS_LITTLE_ENDIAN
971 select SYS_SUPPORTS_HOTPLUG_CPU if CPU !! 628 help
>> 629 This enables support for the Wind River MIPS32 4KC PPMC evaluation
>> 630 board, which is based on GT64120 bridge chip.
>> 631
>> 632 config CAVIUM_OCTEON_SIMULATOR
>> 633 bool "Cavium Networks Octeon Simulator"
>> 634 select CEVT_R4K
>> 635 select 64BIT_PHYS_ADDR
>> 636 select DMA_COHERENT
>> 637 select SYS_SUPPORTS_64BIT_KERNEL
>> 638 select SYS_SUPPORTS_BIG_ENDIAN
>> 639 select SYS_SUPPORTS_HIGHMEM
>> 640 select SYS_SUPPORTS_HOTPLUG_CPU
>> 641 select SYS_HAS_CPU_CAVIUM_OCTEON
>> 642 help
>> 643 The Octeon simulator is software performance model of the Cavium
>> 644 Octeon Processor. It supports simulating Octeon processors on x86
>> 645 hardware.
>> 646
>> 647 config CAVIUM_OCTEON_REFERENCE_BOARD
>> 648 bool "Cavium Networks Octeon reference board"
>> 649 select CEVT_R4K
>> 650 select 64BIT_PHYS_ADDR
>> 651 select DMA_COHERENT
>> 652 select SYS_SUPPORTS_64BIT_KERNEL
>> 653 select SYS_SUPPORTS_BIG_ENDIAN
>> 654 select SYS_SUPPORTS_HIGHMEM
>> 655 select SYS_SUPPORTS_HOTPLUG_CPU
972 select SYS_HAS_EARLY_PRINTK 656 select SYS_HAS_EARLY_PRINTK
973 select SYS_HAS_CPU_CAVIUM_OCTEON 657 select SYS_HAS_CPU_CAVIUM_OCTEON
974 select HAVE_PCI !! 658 select SWAP_IO_SPACE
975 select HAVE_PLAT_DELAY !! 659 select HW_HAS_PCI
976 select HAVE_PLAT_FW_INIT_CMDLINE !! 660 select ARCH_SUPPORTS_MSI
977 select HAVE_PLAT_MEMCPY <<
978 select ZONE_DMA32 <<
979 select GPIOLIB <<
980 select USE_OF <<
981 select ARCH_SPARSEMEM_ENABLE <<
982 select SYS_SUPPORTS_SMP <<
983 select NR_CPUS_DEFAULT_64 <<
984 select MIPS_NR_CPU_NR_MAP_1024 <<
985 select BUILTIN_DTB <<
986 select MTD <<
987 select MTD_COMPLEX_MAPPINGS <<
988 select SWIOTLB <<
989 select SYS_SUPPORTS_RELOCATABLE <<
990 help 661 help
991 This option supports all of the Octe 662 This option supports all of the Octeon reference boards from Cavium
992 Networks. It builds a kernel that dy 663 Networks. It builds a kernel that dynamically determines the Octeon
993 CPU type and supports all known boar 664 CPU type and supports all known board reference implementations.
994 Some of the supported boards are: 665 Some of the supported boards are:
995 EBT3000 666 EBT3000
996 EBH3000 667 EBH3000
997 EBH3100 668 EBH3100
998 Thunder 669 Thunder
999 Kodama 670 Kodama
1000 Hikari 671 Hikari
1001 Say Y here for most Octeon referenc 672 Say Y here for most Octeon reference boards.
1002 673
1003 endchoice 674 endchoice
1004 675
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" 676 source "arch/mips/alchemy/Kconfig"
1015 source "arch/mips/ath25/Kconfig" !! 677 source "arch/mips/basler/excite/Kconfig"
1016 source "arch/mips/ath79/Kconfig" <<
1017 source "arch/mips/bcm47xx/Kconfig" <<
1018 source "arch/mips/bcm63xx/Kconfig" 678 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" 679 source "arch/mips/jazz/Kconfig"
1023 source "arch/mips/lantiq/Kconfig" !! 680 source "arch/mips/lasat/Kconfig"
1024 source "arch/mips/mobileye/Kconfig" !! 681 source "arch/mips/pmc-sierra/Kconfig"
1025 source "arch/mips/pic32/Kconfig" <<
1026 source "arch/mips/ralink/Kconfig" <<
1027 source "arch/mips/sgi-ip27/Kconfig" 682 source "arch/mips/sgi-ip27/Kconfig"
1028 source "arch/mips/sibyte/Kconfig" 683 source "arch/mips/sibyte/Kconfig"
1029 source "arch/mips/txx9/Kconfig" 684 source "arch/mips/txx9/Kconfig"
>> 685 source "arch/mips/vr41xx/Kconfig"
1030 source "arch/mips/cavium-octeon/Kconfig" 686 source "arch/mips/cavium-octeon/Kconfig"
1031 source "arch/mips/loongson2ef/Kconfig" !! 687 source "arch/mips/loongson/Kconfig"
1032 source "arch/mips/loongson32/Kconfig" <<
1033 source "arch/mips/loongson64/Kconfig" <<
1034 688
1035 endmenu 689 endmenu
1036 690
>> 691 config RWSEM_GENERIC_SPINLOCK
>> 692 bool
>> 693 default y
>> 694
>> 695 config RWSEM_XCHGADD_ALGORITHM
>> 696 bool
>> 697
>> 698 config ARCH_HAS_ILOG2_U32
>> 699 bool
>> 700 default n
>> 701
>> 702 config ARCH_HAS_ILOG2_U64
>> 703 bool
>> 704 default n
>> 705
>> 706 config ARCH_SUPPORTS_OPROFILE
>> 707 bool
>> 708 default y if !MIPS_MT_SMTC
>> 709
>> 710 config GENERIC_FIND_NEXT_BIT
>> 711 bool
>> 712 default y
>> 713
1037 config GENERIC_HWEIGHT 714 config GENERIC_HWEIGHT
1038 bool 715 bool
1039 default y 716 default y
1040 717
1041 config GENERIC_CALIBRATE_DELAY 718 config GENERIC_CALIBRATE_DELAY
1042 bool 719 bool
1043 default y 720 default y
1044 721
>> 722 config GENERIC_CLOCKEVENTS
>> 723 bool
>> 724 default y
>> 725
>> 726 config GENERIC_TIME
>> 727 bool
>> 728 default y
>> 729
>> 730 config GENERIC_CMOS_UPDATE
>> 731 bool
>> 732 default y
>> 733
1045 config SCHED_OMIT_FRAME_POINTER 734 config SCHED_OMIT_FRAME_POINTER
1046 bool 735 bool
1047 default y 736 default y
1048 737
>> 738 config GENERIC_HARDIRQS_NO__DO_IRQ
>> 739 def_bool y
>> 740
1049 # 741 #
1050 # Select some configuration options automatic 742 # Select some configuration options automatically based on user selections.
1051 # 743 #
1052 config FW_ARC !! 744 config ARC
1053 bool 745 bool
1054 746
1055 config ARCH_MAY_HAVE_PC_FDC 747 config ARCH_MAY_HAVE_PC_FDC
1056 bool 748 bool
1057 749
1058 config BOOT_RAW 750 config BOOT_RAW
1059 bool 751 bool
1060 752
1061 config CEVT_BCM1480 753 config CEVT_BCM1480
1062 bool 754 bool
1063 755
1064 config CEVT_DS1287 756 config CEVT_DS1287
1065 bool 757 bool
1066 758
1067 config CEVT_GT641XX 759 config CEVT_GT641XX
1068 bool 760 bool
1069 761
>> 762 config CEVT_R4K_LIB
>> 763 bool
>> 764
1070 config CEVT_R4K 765 config CEVT_R4K
>> 766 select CEVT_R4K_LIB
1071 bool 767 bool
1072 768
1073 config CEVT_SB1250 769 config CEVT_SB1250
1074 bool 770 bool
1075 771
1076 config CEVT_TXX9 772 config CEVT_TXX9
1077 bool 773 bool
1078 774
1079 config CSRC_BCM1480 775 config CSRC_BCM1480
1080 bool 776 bool
1081 777
1082 config CSRC_IOASIC 778 config CSRC_IOASIC
1083 bool 779 bool
1084 780
>> 781 config CSRC_R4K_LIB
>> 782 bool
>> 783
1085 config CSRC_R4K 784 config CSRC_R4K
1086 select CLOCKSOURCE_WATCHDOG if CPU_FR !! 785 select CSRC_R4K_LIB
1087 select HAVE_UNSTABLE_SCHED_CLOCK if S <<
1088 bool 786 bool
1089 787
1090 config CSRC_SB1250 788 config CSRC_SB1250
1091 bool 789 bool
1092 790
1093 config MIPS_CLOCK_VSYSCALL <<
1094 def_bool CSRC_R4K || CLKSRC_MIPS_GIC <<
1095 <<
1096 config GPIO_TXX9 791 config GPIO_TXX9
1097 select GPIOLIB !! 792 select GENERIC_GPIO
>> 793 select ARCH_REQUIRE_GPIOLIB
1098 bool 794 bool
1099 795
1100 config FW_CFE !! 796 config CFE
1101 bool 797 bool
1102 798
1103 config ARCH_SUPPORTS_UPROBES !! 799 config DMA_COHERENT
1104 def_bool y !! 800 bool
1105 801
1106 config DMA_NONCOHERENT 802 config DMA_NONCOHERENT
1107 bool 803 bool
1108 # !! 804 select DMA_NEED_PCI_MAP_STATE
1109 # MIPS allows mixing "slightly differ !! 805
1110 # Attribute bits. It is believed tha !! 806 config DMA_NEED_PCI_MAP_STATE
1111 # KSEG1 and the implementation specif !! 807 bool
1112 # by pgprot_writcombine can be mixed, !! 808
1113 # significant advantages. !! 809 config EARLY_PRINTK
1114 # !! 810 bool "Early printk" if EMBEDDED && DEBUG_KERNEL
1115 select ARCH_HAS_SETUP_DMA_OPS !! 811 depends on SYS_HAS_EARLY_PRINTK
1116 select ARCH_HAS_DMA_WRITE_COMBINE !! 812 default y
1117 select ARCH_HAS_DMA_PREP_COHERENT !! 813 help
1118 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 814 This option enables special console drivers which allow the kernel
1119 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 815 to print messages very early in the bootup process.
1120 select ARCH_HAS_DMA_SET_UNCACHED !! 816
1121 select DMA_NONCOHERENT_MMAP !! 817 This is useful for kernel debugging when your machine crashes very
1122 select NEED_DMA_MAP_STATE !! 818 early before the console code is initialized. For normal operation,
>> 819 it is not recommended because it looks ugly on some machines and
>> 820 doesn't cooperate with an X server. You should normally say N here,
>> 821 unless you want to debug such a crash.
1123 822
1124 config SYS_HAS_EARLY_PRINTK 823 config SYS_HAS_EARLY_PRINTK
1125 bool 824 bool
1126 825
>> 826 config HOTPLUG_CPU
>> 827 bool "Support for hot-pluggable CPUs"
>> 828 depends on SMP && HOTPLUG && SYS_SUPPORTS_HOTPLUG_CPU
>> 829 help
>> 830 Say Y here to allow turning CPUs off and on. CPUs can be
>> 831 controlled through /sys/devices/system/cpu.
>> 832 (Note: power management support will enable this option
>> 833 automatically on SMP systems. )
>> 834 Say N if you want to disable CPU hotplug.
>> 835
1127 config SYS_SUPPORTS_HOTPLUG_CPU 836 config SYS_SUPPORTS_HOTPLUG_CPU
1128 bool 837 bool
1129 838
>> 839 config I8259
>> 840 bool
>> 841
1130 config MIPS_BONITO64 842 config MIPS_BONITO64
1131 bool 843 bool
1132 844
1133 config MIPS_MSC 845 config MIPS_MSC
1134 bool 846 bool
1135 847
>> 848 config MIPS_NILE4
>> 849 bool
>> 850
>> 851 config MIPS_DISABLE_OBSOLETE_IDE
>> 852 bool
>> 853
1136 config SYNC_R4K 854 config SYNC_R4K
1137 bool 855 bool
1138 856
1139 config NO_IOPORT_MAP !! 857 config NO_IOPORT
1140 def_bool n 858 def_bool n
1141 859
1142 config GENERIC_CSUM <<
1143 def_bool CPU_NO_LOAD_STORE_LR <<
1144 <<
1145 config GENERIC_ISA_DMA 860 config GENERIC_ISA_DMA
1146 bool 861 bool
1147 select ZONE_DMA if GENERIC_ISA_DMA_SU 862 select ZONE_DMA if GENERIC_ISA_DMA_SUPPORT_BROKEN=n
1148 select ISA_DMA_API <<
1149 863
1150 config GENERIC_ISA_DMA_SUPPORT_BROKEN 864 config GENERIC_ISA_DMA_SUPPORT_BROKEN
1151 bool 865 bool
1152 select GENERIC_ISA_DMA 866 select GENERIC_ISA_DMA
1153 867
1154 config HAVE_PLAT_DELAY !! 868 config GENERIC_GPIO
1155 bool <<
1156 <<
1157 config HAVE_PLAT_FW_INIT_CMDLINE <<
1158 bool <<
1159 <<
1160 config HAVE_PLAT_MEMCPY <<
1161 bool 869 bool
1162 870
1163 config ISA_DMA_API <<
1164 bool <<
1165 <<
1166 config SYS_SUPPORTS_RELOCATABLE <<
1167 bool <<
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 # 871 #
1174 # Endianness selection. Sufficiently obscure !! 872 # Endianess selection. Sufficiently obscure so many users don't know what to
1175 # answer,so we try hard to limit the availabl 873 # answer,so we try hard to limit the available choices. Also the use of a
1176 # choice statement should be more obvious to 874 # choice statement should be more obvious to the user.
1177 # 875 #
1178 choice 876 choice
1179 prompt "Endianness selection" !! 877 prompt "Endianess selection"
1180 help 878 help
1181 Some MIPS machines can be configure 879 Some MIPS machines can be configured for either little or big endian
1182 byte order. These modes require dif 880 byte order. These modes require different kernels and a different
1183 Linux distribution. In general the 881 Linux distribution. In general there is one preferred byteorder for a
1184 particular system but some systems 882 particular system but some systems are just as commonly used in the
1185 one or the other endianness. 883 one or the other endianness.
1186 884
1187 config CPU_BIG_ENDIAN 885 config CPU_BIG_ENDIAN
1188 bool "Big endian" 886 bool "Big endian"
1189 depends on SYS_SUPPORTS_BIG_ENDIAN 887 depends on SYS_SUPPORTS_BIG_ENDIAN
1190 888
1191 config CPU_LITTLE_ENDIAN 889 config CPU_LITTLE_ENDIAN
1192 bool "Little endian" 890 bool "Little endian"
1193 depends on SYS_SUPPORTS_LITTLE_ENDIAN 891 depends on SYS_SUPPORTS_LITTLE_ENDIAN
>> 892 help
1194 893
1195 endchoice 894 endchoice
1196 895
1197 config EXPORT_UASM <<
1198 bool <<
1199 <<
1200 config SYS_SUPPORTS_APM_EMULATION 896 config SYS_SUPPORTS_APM_EMULATION
1201 bool 897 bool
1202 898
1203 config SYS_SUPPORTS_BIG_ENDIAN 899 config SYS_SUPPORTS_BIG_ENDIAN
1204 bool 900 bool
1205 901
1206 config SYS_SUPPORTS_LITTLE_ENDIAN 902 config SYS_SUPPORTS_LITTLE_ENDIAN
1207 bool 903 bool
1208 904
1209 config MIPS_HUGE_TLB_SUPPORT !! 905 config SYS_SUPPORTS_HUGETLBFS
1210 def_bool HUGETLB_PAGE || TRANSPARENT_ !! 906 bool
>> 907 depends on CPU_SUPPORTS_HUGEPAGES && 64BIT
>> 908 default y
>> 909
>> 910 config IRQ_CPU
>> 911 bool
>> 912
>> 913 config IRQ_CPU_RM7K
>> 914 bool
>> 915
>> 916 config IRQ_CPU_RM9K
>> 917 bool
>> 918
>> 919 config IRQ_MSP_SLP
>> 920 bool
>> 921
>> 922 config IRQ_MSP_CIC
>> 923 bool
1211 924
1212 config IRQ_TXX9 925 config IRQ_TXX9
1213 bool 926 bool
1214 927
1215 config IRQ_GT641XX 928 config IRQ_GT641XX
1216 bool 929 bool
1217 930
1218 config PCI_GT64XXX_PCI0 !! 931 config IRQ_GIC
>> 932 bool
>> 933
>> 934 config IRQ_CPU_OCTEON
1219 bool 935 bool
1220 936
1221 config PCI_XTALK_BRIDGE !! 937 config MIPS_BOARDS_GEN
>> 938 bool
>> 939
>> 940 config PCI_GT64XXX_PCI0
1222 bool 941 bool
1223 942
1224 config NO_EXCEPT_FILL 943 config NO_EXCEPT_FILL
1225 bool 944 bool
1226 945
1227 config MIPS_SPRAM !! 946 config MIPS_RM9122
>> 947 bool
>> 948 select SERIAL_RM9000
>> 949
>> 950 config SOC_EMMA2RH
>> 951 bool
>> 952 select CEVT_R4K
>> 953 select CSRC_R4K
>> 954 select DMA_NONCOHERENT
>> 955 select IRQ_CPU
>> 956 select SWAP_IO_SPACE
>> 957 select SYS_HAS_CPU_R5500
>> 958 select SYS_SUPPORTS_32BIT_KERNEL
>> 959 select SYS_SUPPORTS_64BIT_KERNEL
>> 960 select SYS_SUPPORTS_BIG_ENDIAN
>> 961
>> 962 config SOC_PNX833X
>> 963 bool
>> 964 select CEVT_R4K
>> 965 select CSRC_R4K
>> 966 select IRQ_CPU
>> 967 select DMA_NONCOHERENT
>> 968 select SYS_HAS_CPU_MIPS32_R2
>> 969 select SYS_SUPPORTS_32BIT_KERNEL
>> 970 select SYS_SUPPORTS_LITTLE_ENDIAN
>> 971 select SYS_SUPPORTS_BIG_ENDIAN
>> 972 select GENERIC_GPIO
>> 973 select CPU_MIPSR2_IRQ_VI
>> 974
>> 975 config SOC_PNX8335
>> 976 bool
>> 977 select SOC_PNX833X
>> 978
>> 979 config PNX8550
1228 bool 980 bool
>> 981 select SOC_PNX8550
>> 982
>> 983 config SOC_PNX8550
>> 984 bool
>> 985 select DMA_NONCOHERENT
>> 986 select HW_HAS_PCI
>> 987 select SYS_HAS_CPU_MIPS32_R1
>> 988 select SYS_HAS_EARLY_PRINTK
>> 989 select SYS_SUPPORTS_32BIT_KERNEL
>> 990 select GENERIC_GPIO
1229 991
1230 config SWAP_IO_SPACE 992 config SWAP_IO_SPACE
1231 bool 993 bool
1232 994
>> 995 config SERIAL_RM9000
>> 996 bool
>> 997
1233 config SGI_HAS_INDYDOG 998 config SGI_HAS_INDYDOG
1234 bool 999 bool
1235 1000
1236 config SGI_HAS_HAL2 1001 config SGI_HAS_HAL2
1237 bool 1002 bool
1238 1003
1239 config SGI_HAS_SEEQ 1004 config SGI_HAS_SEEQ
1240 bool 1005 bool
1241 1006
1242 config SGI_HAS_WD93 1007 config SGI_HAS_WD93
1243 bool 1008 bool
1244 1009
1245 config SGI_HAS_ZILOG 1010 config SGI_HAS_ZILOG
1246 bool 1011 bool
1247 1012
1248 config SGI_HAS_I8042 1013 config SGI_HAS_I8042
1249 bool 1014 bool
1250 1015
1251 config DEFAULT_SGI_PARTITION 1016 config DEFAULT_SGI_PARTITION
1252 bool 1017 bool
1253 1018
1254 config FW_ARC32 !! 1019 config ARC32
1255 bool 1020 bool
1256 1021
1257 config FW_SNIPROM !! 1022 config SNIPROM
1258 bool 1023 bool
1259 1024
1260 config BOOT_ELF32 1025 config BOOT_ELF32
1261 bool 1026 bool
1262 1027
1263 config MIPS_L1_CACHE_SHIFT_4 <<
1264 bool <<
1265 <<
1266 config MIPS_L1_CACHE_SHIFT_5 <<
1267 bool <<
1268 <<
1269 config MIPS_L1_CACHE_SHIFT_6 <<
1270 bool <<
1271 <<
1272 config MIPS_L1_CACHE_SHIFT_7 <<
1273 bool <<
1274 <<
1275 config MIPS_L1_CACHE_SHIFT 1028 config MIPS_L1_CACHE_SHIFT
1276 int 1029 int
1277 default "7" if MIPS_L1_CACHE_SHIFT_7 !! 1030 default "4" if MACH_DECSTATION || MIKROTIK_RB532 || PMC_MSP4200_EVAL
1278 default "6" if MIPS_L1_CACHE_SHIFT_6 !! 1031 default "6" if MIPS_CPU_SCACHE
1279 default "5" if MIPS_L1_CACHE_SHIFT_5 !! 1032 default "7" if SGI_IP22 || SGI_IP27 || SGI_IP28 || SNI_RM || CPU_CAVIUM_OCTEON
1280 default "4" if MIPS_L1_CACHE_SHIFT_4 <<
1281 default "5" 1033 default "5"
1282 1034
1283 config ARC_CMDLINE_ONLY !! 1035 config HAVE_STD_PC_SERIAL_PORT
1284 bool 1036 bool
1285 1037
1286 config ARC_CONSOLE 1038 config ARC_CONSOLE
1287 bool "ARC console support" 1039 bool "ARC console support"
1288 depends on SGI_IP22 || SGI_IP28 || (S 1040 depends on SGI_IP22 || SGI_IP28 || (SNI_RM && CPU_LITTLE_ENDIAN)
1289 1041
1290 config ARC_MEMORY 1042 config ARC_MEMORY
1291 bool 1043 bool
>> 1044 depends on MACH_JAZZ || SNI_RM || SGI_IP32
>> 1045 default y
1292 1046
1293 config ARC_PROMLIB 1047 config ARC_PROMLIB
1294 bool 1048 bool
>> 1049 depends on MACH_JAZZ || SNI_RM || SGI_IP22 || SGI_IP28 || SGI_IP32
>> 1050 default y
1295 1051
1296 config FW_ARC64 !! 1052 config ARC64
1297 bool 1053 bool
1298 1054
1299 config BOOT_ELF64 1055 config BOOT_ELF64
1300 bool 1056 bool
1301 1057
1302 menu "CPU selection" 1058 menu "CPU selection"
1303 1059
1304 choice 1060 choice
1305 prompt "CPU type" 1061 prompt "CPU type"
1306 default CPU_R4X00 1062 default CPU_R4X00
1307 1063
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 1064 config CPU_LOONGSON2E
1338 bool "Loongson 2E" 1065 bool "Loongson 2E"
1339 depends on SYS_HAS_CPU_LOONGSON2E 1066 depends on SYS_HAS_CPU_LOONGSON2E
1340 select CPU_LOONGSON2EF !! 1067 select CPU_LOONGSON2
1341 help 1068 help
1342 The Loongson 2E processor implement 1069 The Loongson 2E processor implements the MIPS III instruction set
1343 with many extensions. 1070 with many extensions.
1344 1071
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 1072 config CPU_MIPS32_R1
1381 bool "MIPS32 Release 1" 1073 bool "MIPS32 Release 1"
1382 depends on SYS_HAS_CPU_MIPS32_R1 1074 depends on SYS_HAS_CPU_MIPS32_R1
1383 select CPU_HAS_PREFETCH 1075 select CPU_HAS_PREFETCH
1384 select CPU_SUPPORTS_32BIT_KERNEL 1076 select CPU_SUPPORTS_32BIT_KERNEL
1385 select CPU_SUPPORTS_HIGHMEM 1077 select CPU_SUPPORTS_HIGHMEM
1386 help 1078 help
1387 Choose this option to build a kerne 1079 Choose this option to build a kernel for release 1 or later of the
1388 MIPS32 architecture. Most modern e 1080 MIPS32 architecture. Most modern embedded systems with a 32-bit
1389 MIPS processor are based on a MIPS3 1081 MIPS processor are based on a MIPS32 processor. If you know the
1390 specific type of processor in your 1082 specific type of processor in your system, choose those that one
1391 otherwise CPU_MIPS32_R1 is a safe b 1083 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1392 Release 2 of the MIPS32 architectur 1084 Release 2 of the MIPS32 architecture is available since several
1393 years so chances are you even have 1085 years so chances are you even have a MIPS32 Release 2 processor
1394 in which case you should choose CPU 1086 in which case you should choose CPU_MIPS32_R2 instead for better
1395 performance. 1087 performance.
1396 1088
1397 config CPU_MIPS32_R2 1089 config CPU_MIPS32_R2
1398 bool "MIPS32 Release 2" 1090 bool "MIPS32 Release 2"
1399 depends on SYS_HAS_CPU_MIPS32_R2 1091 depends on SYS_HAS_CPU_MIPS32_R2
1400 select CPU_HAS_PREFETCH 1092 select CPU_HAS_PREFETCH
1401 select CPU_SUPPORTS_32BIT_KERNEL 1093 select CPU_SUPPORTS_32BIT_KERNEL
1402 select CPU_SUPPORTS_HIGHMEM 1094 select CPU_SUPPORTS_HIGHMEM
1403 select CPU_SUPPORTS_MSA <<
1404 help 1095 help
1405 Choose this option to build a kerne 1096 Choose this option to build a kernel for release 2 or later of the
1406 MIPS32 architecture. Most modern e 1097 MIPS32 architecture. Most modern embedded systems with a 32-bit
1407 MIPS processor are based on a MIPS3 1098 MIPS processor are based on a MIPS32 processor. If you know the
1408 specific type of processor in your 1099 specific type of processor in your system, choose those that one
1409 otherwise CPU_MIPS32_R1 is a safe b 1100 otherwise CPU_MIPS32_R1 is a safe bet for any MIPS32 system.
1410 1101
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 1102 config CPU_MIPS64_R1
1443 bool "MIPS64 Release 1" 1103 bool "MIPS64 Release 1"
1444 depends on SYS_HAS_CPU_MIPS64_R1 1104 depends on SYS_HAS_CPU_MIPS64_R1
1445 select CPU_HAS_PREFETCH 1105 select CPU_HAS_PREFETCH
1446 select CPU_SUPPORTS_32BIT_KERNEL 1106 select CPU_SUPPORTS_32BIT_KERNEL
1447 select CPU_SUPPORTS_64BIT_KERNEL 1107 select CPU_SUPPORTS_64BIT_KERNEL
1448 select CPU_SUPPORTS_HIGHMEM 1108 select CPU_SUPPORTS_HIGHMEM
1449 select CPU_SUPPORTS_HUGEPAGES 1109 select CPU_SUPPORTS_HUGEPAGES
1450 help 1110 help
1451 Choose this option to build a kerne 1111 Choose this option to build a kernel for release 1 or later of the
1452 MIPS64 architecture. Many modern e 1112 MIPS64 architecture. Many modern embedded systems with a 64-bit
1453 MIPS processor are based on a MIPS6 1113 MIPS processor are based on a MIPS64 processor. If you know the
1454 specific type of processor in your 1114 specific type of processor in your system, choose those that one
1455 otherwise CPU_MIPS64_R1 is a safe b 1115 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1456 Release 2 of the MIPS64 architectur 1116 Release 2 of the MIPS64 architecture is available since several
1457 years so chances are you even have 1117 years so chances are you even have a MIPS64 Release 2 processor
1458 in which case you should choose CPU 1118 in which case you should choose CPU_MIPS64_R2 instead for better
1459 performance. 1119 performance.
1460 1120
1461 config CPU_MIPS64_R2 1121 config CPU_MIPS64_R2
1462 bool "MIPS64 Release 2" 1122 bool "MIPS64 Release 2"
1463 depends on SYS_HAS_CPU_MIPS64_R2 1123 depends on SYS_HAS_CPU_MIPS64_R2
1464 select CPU_HAS_PREFETCH 1124 select CPU_HAS_PREFETCH
1465 select CPU_SUPPORTS_32BIT_KERNEL 1125 select CPU_SUPPORTS_32BIT_KERNEL
1466 select CPU_SUPPORTS_64BIT_KERNEL 1126 select CPU_SUPPORTS_64BIT_KERNEL
1467 select CPU_SUPPORTS_HIGHMEM 1127 select CPU_SUPPORTS_HIGHMEM
1468 select CPU_SUPPORTS_HUGEPAGES 1128 select CPU_SUPPORTS_HUGEPAGES
1469 select CPU_SUPPORTS_MSA <<
1470 help 1129 help
1471 Choose this option to build a kerne 1130 Choose this option to build a kernel for release 2 or later of the
1472 MIPS64 architecture. Many modern e 1131 MIPS64 architecture. Many modern embedded systems with a 64-bit
1473 MIPS processor are based on a MIPS6 1132 MIPS processor are based on a MIPS64 processor. If you know the
1474 specific type of processor in your 1133 specific type of processor in your system, choose those that one
1475 otherwise CPU_MIPS64_R1 is a safe b 1134 otherwise CPU_MIPS64_R1 is a safe bet for any MIPS64 system.
1476 1135
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 1136 config CPU_R3000
1534 bool "R3000" 1137 bool "R3000"
1535 depends on SYS_HAS_CPU_R3000 1138 depends on SYS_HAS_CPU_R3000
1536 select CPU_HAS_WB 1139 select CPU_HAS_WB
1537 select CPU_R3K_TLB <<
1538 select CPU_SUPPORTS_32BIT_KERNEL 1140 select CPU_SUPPORTS_32BIT_KERNEL
1539 select CPU_SUPPORTS_HIGHMEM 1141 select CPU_SUPPORTS_HIGHMEM
1540 help 1142 help
1541 Please make sure to pick the right 1143 Please make sure to pick the right CPU type. Linux/MIPS is not
1542 designed to be generic, i.e. Kernel 1144 designed to be generic, i.e. Kernels compiled for R3000 CPUs will
1543 *not* work on R4000 machines and vi 1145 *not* work on R4000 machines and vice versa. However, since most
1544 of the supported machines have an R 1146 of the supported machines have an R4000 (or similar) CPU, R4x00
1545 might be a safe bet. If the result 1147 might be a safe bet. If the resulting kernel does not work,
1546 try to recompile with R3000. 1148 try to recompile with R3000.
1547 1149
>> 1150 config CPU_TX39XX
>> 1151 bool "R39XX"
>> 1152 depends on SYS_HAS_CPU_TX39XX
>> 1153 select CPU_SUPPORTS_32BIT_KERNEL
>> 1154
>> 1155 config CPU_VR41XX
>> 1156 bool "R41xx"
>> 1157 depends on SYS_HAS_CPU_VR41XX
>> 1158 select CPU_SUPPORTS_32BIT_KERNEL
>> 1159 select CPU_SUPPORTS_64BIT_KERNEL
>> 1160 help
>> 1161 The options selects support for the NEC VR4100 series of processors.
>> 1162 Only choose this option if you have one of these processors as a
>> 1163 kernel built with this option will not run on any other type of
>> 1164 processor or vice versa.
>> 1165
1548 config CPU_R4300 1166 config CPU_R4300
1549 bool "R4300" 1167 bool "R4300"
1550 depends on SYS_HAS_CPU_R4300 1168 depends on SYS_HAS_CPU_R4300
1551 select CPU_SUPPORTS_32BIT_KERNEL 1169 select CPU_SUPPORTS_32BIT_KERNEL
1552 select CPU_SUPPORTS_64BIT_KERNEL 1170 select CPU_SUPPORTS_64BIT_KERNEL
1553 help 1171 help
1554 MIPS Technologies R4300-series proc 1172 MIPS Technologies R4300-series processors.
1555 1173
1556 config CPU_R4X00 1174 config CPU_R4X00
1557 bool "R4x00" 1175 bool "R4x00"
1558 depends on SYS_HAS_CPU_R4X00 1176 depends on SYS_HAS_CPU_R4X00
1559 select CPU_SUPPORTS_32BIT_KERNEL 1177 select CPU_SUPPORTS_32BIT_KERNEL
1560 select CPU_SUPPORTS_64BIT_KERNEL 1178 select CPU_SUPPORTS_64BIT_KERNEL
1561 select CPU_SUPPORTS_HUGEPAGES <<
1562 help 1179 help
1563 MIPS Technologies R4000-series proc 1180 MIPS Technologies R4000-series processors other than 4300, including
1564 the R4000, R4400, R4600, and 4700. 1181 the R4000, R4400, R4600, and 4700.
1565 1182
1566 config CPU_TX49XX 1183 config CPU_TX49XX
1567 bool "R49XX" 1184 bool "R49XX"
1568 depends on SYS_HAS_CPU_TX49XX 1185 depends on SYS_HAS_CPU_TX49XX
1569 select CPU_HAS_PREFETCH 1186 select CPU_HAS_PREFETCH
1570 select CPU_SUPPORTS_32BIT_KERNEL 1187 select CPU_SUPPORTS_32BIT_KERNEL
1571 select CPU_SUPPORTS_64BIT_KERNEL 1188 select CPU_SUPPORTS_64BIT_KERNEL
1572 select CPU_SUPPORTS_HUGEPAGES <<
1573 1189
1574 config CPU_R5000 1190 config CPU_R5000
1575 bool "R5000" 1191 bool "R5000"
1576 depends on SYS_HAS_CPU_R5000 1192 depends on SYS_HAS_CPU_R5000
1577 select CPU_SUPPORTS_32BIT_KERNEL 1193 select CPU_SUPPORTS_32BIT_KERNEL
1578 select CPU_SUPPORTS_64BIT_KERNEL 1194 select CPU_SUPPORTS_64BIT_KERNEL
1579 select CPU_SUPPORTS_HUGEPAGES <<
1580 help 1195 help
1581 MIPS Technologies R5000-series proc 1196 MIPS Technologies R5000-series processors other than the Nevada.
1582 1197
>> 1198 config CPU_R5432
>> 1199 bool "R5432"
>> 1200 depends on SYS_HAS_CPU_R5432
>> 1201 select CPU_SUPPORTS_32BIT_KERNEL
>> 1202 select CPU_SUPPORTS_64BIT_KERNEL
>> 1203
1583 config CPU_R5500 1204 config CPU_R5500
1584 bool "R5500" 1205 bool "R5500"
1585 depends on SYS_HAS_CPU_R5500 1206 depends on SYS_HAS_CPU_R5500
1586 select CPU_SUPPORTS_32BIT_KERNEL 1207 select CPU_SUPPORTS_32BIT_KERNEL
1587 select CPU_SUPPORTS_64BIT_KERNEL 1208 select CPU_SUPPORTS_64BIT_KERNEL
1588 select CPU_SUPPORTS_HUGEPAGES 1209 select CPU_SUPPORTS_HUGEPAGES
1589 help 1210 help
1590 NEC VR5500 and VR5500A series proce 1211 NEC VR5500 and VR5500A series processors implement 64-bit MIPS IV
1591 instruction set. 1212 instruction set.
1592 1213
>> 1214 config CPU_R6000
>> 1215 bool "R6000"
>> 1216 depends on EXPERIMENTAL
>> 1217 depends on SYS_HAS_CPU_R6000
>> 1218 select CPU_SUPPORTS_32BIT_KERNEL
>> 1219 help
>> 1220 MIPS Technologies R6000 and R6000A series processors. Note these
>> 1221 processors are extremely rare and the support for them is incomplete.
>> 1222
1593 config CPU_NEVADA 1223 config CPU_NEVADA
1594 bool "RM52xx" 1224 bool "RM52xx"
1595 depends on SYS_HAS_CPU_NEVADA 1225 depends on SYS_HAS_CPU_NEVADA
1596 select CPU_SUPPORTS_32BIT_KERNEL 1226 select CPU_SUPPORTS_32BIT_KERNEL
1597 select CPU_SUPPORTS_64BIT_KERNEL 1227 select CPU_SUPPORTS_64BIT_KERNEL
1598 select CPU_SUPPORTS_HUGEPAGES <<
1599 help 1228 help
1600 QED / PMC-Sierra RM52xx-series ("Ne 1229 QED / PMC-Sierra RM52xx-series ("Nevada") processors.
1601 1230
>> 1231 config CPU_R8000
>> 1232 bool "R8000"
>> 1233 depends on EXPERIMENTAL
>> 1234 depends on SYS_HAS_CPU_R8000
>> 1235 select CPU_HAS_PREFETCH
>> 1236 select CPU_SUPPORTS_64BIT_KERNEL
>> 1237 help
>> 1238 MIPS Technologies R8000 processors. Note these processors are
>> 1239 uncommon and the support for them is incomplete.
>> 1240
1602 config CPU_R10000 1241 config CPU_R10000
1603 bool "R10000" 1242 bool "R10000"
1604 depends on SYS_HAS_CPU_R10000 1243 depends on SYS_HAS_CPU_R10000
1605 select CPU_HAS_PREFETCH 1244 select CPU_HAS_PREFETCH
1606 select CPU_SUPPORTS_32BIT_KERNEL 1245 select CPU_SUPPORTS_32BIT_KERNEL
1607 select CPU_SUPPORTS_64BIT_KERNEL 1246 select CPU_SUPPORTS_64BIT_KERNEL
1608 select CPU_SUPPORTS_HIGHMEM 1247 select CPU_SUPPORTS_HIGHMEM
1609 select CPU_SUPPORTS_HUGEPAGES <<
1610 help 1248 help
1611 MIPS Technologies R10000-series pro 1249 MIPS Technologies R10000-series processors.
1612 1250
1613 config CPU_RM7000 1251 config CPU_RM7000
1614 bool "RM7000" 1252 bool "RM7000"
1615 depends on SYS_HAS_CPU_RM7000 1253 depends on SYS_HAS_CPU_RM7000
1616 select CPU_HAS_PREFETCH 1254 select CPU_HAS_PREFETCH
1617 select CPU_SUPPORTS_32BIT_KERNEL 1255 select CPU_SUPPORTS_32BIT_KERNEL
1618 select CPU_SUPPORTS_64BIT_KERNEL 1256 select CPU_SUPPORTS_64BIT_KERNEL
1619 select CPU_SUPPORTS_HIGHMEM 1257 select CPU_SUPPORTS_HIGHMEM
1620 select CPU_SUPPORTS_HUGEPAGES !! 1258
>> 1259 config CPU_RM9000
>> 1260 bool "RM9000"
>> 1261 depends on SYS_HAS_CPU_RM9000
>> 1262 select CPU_HAS_PREFETCH
>> 1263 select CPU_SUPPORTS_32BIT_KERNEL
>> 1264 select CPU_SUPPORTS_64BIT_KERNEL
>> 1265 select CPU_SUPPORTS_HIGHMEM
>> 1266 select WEAK_ORDERING
1621 1267
1622 config CPU_SB1 1268 config CPU_SB1
1623 bool "SB1" 1269 bool "SB1"
1624 depends on SYS_HAS_CPU_SB1 1270 depends on SYS_HAS_CPU_SB1
1625 select CPU_SUPPORTS_32BIT_KERNEL 1271 select CPU_SUPPORTS_32BIT_KERNEL
1626 select CPU_SUPPORTS_64BIT_KERNEL 1272 select CPU_SUPPORTS_64BIT_KERNEL
1627 select CPU_SUPPORTS_HIGHMEM 1273 select CPU_SUPPORTS_HIGHMEM
1628 select CPU_SUPPORTS_HUGEPAGES <<
1629 select WEAK_ORDERING 1274 select WEAK_ORDERING
1630 1275
1631 config CPU_CAVIUM_OCTEON 1276 config CPU_CAVIUM_OCTEON
1632 bool "Cavium Octeon processor" 1277 bool "Cavium Octeon processor"
1633 depends on SYS_HAS_CPU_CAVIUM_OCTEON 1278 depends on SYS_HAS_CPU_CAVIUM_OCTEON
>> 1279 select IRQ_CPU
>> 1280 select IRQ_CPU_OCTEON
1634 select CPU_HAS_PREFETCH 1281 select CPU_HAS_PREFETCH
1635 select CPU_SUPPORTS_64BIT_KERNEL 1282 select CPU_SUPPORTS_64BIT_KERNEL
1636 select HAVE_PAGE_SIZE_8KB if !MIPS_VA !! 1283 select SYS_SUPPORTS_SMP
1637 select HAVE_PAGE_SIZE_32KB if !MIPS_V !! 1284 select NR_CPUS_DEFAULT_16
1638 select WEAK_ORDERING 1285 select WEAK_ORDERING
>> 1286 select WEAK_REORDERING_BEYOND_LLSC
1639 select CPU_SUPPORTS_HIGHMEM 1287 select CPU_SUPPORTS_HIGHMEM
1640 select CPU_SUPPORTS_HUGEPAGES 1288 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 1289 help
1646 The Cavium Octeon processor is a hi 1290 The Cavium Octeon processor is a highly integrated chip containing
1647 many ethernet hardware widgets for 1291 many ethernet hardware widgets for networking tasks. The processor
1648 can have up to 16 Mips64v2 cores an 1292 can have up to 16 Mips64v2 cores and 8 integrated gigabit ethernets.
1649 Full details can be found at http:/ 1293 Full details can be found at http://www.caviumnetworks.com.
1650 1294
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 <<
1670 Support for BMIPS32/3300/4350/4380 <<
1671 <<
1672 endchoice 1295 endchoice
1673 1296
1674 config LOONGSON3_ENHANCEMENT !! 1297 config CPU_LOONGSON2
1675 bool "New Loongson-3 CPU Enhancements <<
1676 default n <<
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 <<
1695 Loongson-3 processors have the llsc <<
1696 Without workarounds the system may <<
1697 <<
1698 Say Y, unless you know what you are <<
1699 <<
1700 config CPU_LOONGSON3_CPUCFG_EMULATION <<
1701 bool "Emulate the CPUCFG instruction <<
1702 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 <<
1753 Choose this option if you want to e <<
1754 Addressing (XPA) on your MIPS32 cor <<
1755 benefit is to increase physical add <<
1756 than 40 bits. Note that this has th <<
1757 64-bit addressing which in turn mak <<
1758 If unsure, say 'N' here. <<
1759 <<
1760 if CPU_LOONGSON2F <<
1761 config CPU_NOP_WORKAROUNDS <<
1762 bool <<
1763 <<
1764 config CPU_JUMP_WORKAROUNDS <<
1765 bool <<
1766 <<
1767 config CPU_LOONGSON2F_WORKAROUNDS <<
1768 bool "Loongson 2F Workarounds" <<
1769 default y <<
1770 select CPU_NOP_WORKAROUNDS <<
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 1298 bool
1807 select CPU_SUPPORTS_32BIT_KERNEL 1299 select CPU_SUPPORTS_32BIT_KERNEL
1808 select CPU_SUPPORTS_64BIT_KERNEL 1300 select CPU_SUPPORTS_64BIT_KERNEL
1809 select CPU_SUPPORTS_HIGHMEM 1301 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 1302
1850 config SYS_HAS_CPU_LOONGSON2E 1303 config SYS_HAS_CPU_LOONGSON2E
1851 bool 1304 bool
1852 1305
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 1306 config SYS_HAS_CPU_MIPS32_R1
1865 bool 1307 bool
1866 1308
1867 config SYS_HAS_CPU_MIPS32_R2 1309 config SYS_HAS_CPU_MIPS32_R2
1868 bool 1310 bool
1869 1311
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 1312 config SYS_HAS_CPU_MIPS64_R1
1880 bool 1313 bool
1881 1314
1882 config SYS_HAS_CPU_MIPS64_R2 1315 config SYS_HAS_CPU_MIPS64_R2
1883 bool 1316 bool
1884 1317
1885 config SYS_HAS_CPU_MIPS64_R5 !! 1318 config SYS_HAS_CPU_R3000
1886 bool <<
1887 <<
1888 config SYS_HAS_CPU_MIPS64_R6 <<
1889 bool 1319 bool
1890 1320
1891 config SYS_HAS_CPU_P5600 !! 1321 config SYS_HAS_CPU_TX39XX
1892 bool 1322 bool
1893 1323
1894 config SYS_HAS_CPU_R3000 !! 1324 config SYS_HAS_CPU_VR41XX
1895 bool 1325 bool
1896 1326
1897 config SYS_HAS_CPU_R4300 1327 config SYS_HAS_CPU_R4300
1898 bool 1328 bool
1899 1329
1900 config SYS_HAS_CPU_R4X00 1330 config SYS_HAS_CPU_R4X00
1901 bool 1331 bool
1902 1332
1903 config SYS_HAS_CPU_TX49XX 1333 config SYS_HAS_CPU_TX49XX
1904 bool 1334 bool
1905 1335
1906 config SYS_HAS_CPU_R5000 1336 config SYS_HAS_CPU_R5000
1907 bool 1337 bool
1908 1338
1909 config SYS_HAS_CPU_R5500 !! 1339 config SYS_HAS_CPU_R5432
1910 bool 1340 bool
1911 1341
1912 config SYS_HAS_CPU_NEVADA !! 1342 config SYS_HAS_CPU_R5500
1913 bool <<
1914 <<
1915 config SYS_HAS_CPU_R10000 <<
1916 bool 1343 bool
1917 1344
1918 config SYS_HAS_CPU_RM7000 !! 1345 config SYS_HAS_CPU_R6000
1919 bool 1346 bool
1920 1347
1921 config SYS_HAS_CPU_SB1 !! 1348 config SYS_HAS_CPU_NEVADA
1922 bool 1349 bool
1923 1350
1924 config SYS_HAS_CPU_CAVIUM_OCTEON !! 1351 config SYS_HAS_CPU_R8000
1925 bool 1352 bool
1926 1353
1927 config SYS_HAS_CPU_BMIPS !! 1354 config SYS_HAS_CPU_R10000
1928 bool 1355 bool
1929 1356
1930 config SYS_HAS_CPU_BMIPS32_3300 !! 1357 config SYS_HAS_CPU_RM7000
1931 bool 1358 bool
1932 select SYS_HAS_CPU_BMIPS <<
1933 1359
1934 config SYS_HAS_CPU_BMIPS4350 !! 1360 config SYS_HAS_CPU_RM9000
1935 bool 1361 bool
1936 select SYS_HAS_CPU_BMIPS <<
1937 1362
1938 config SYS_HAS_CPU_BMIPS4380 !! 1363 config SYS_HAS_CPU_SB1
1939 bool 1364 bool
1940 select SYS_HAS_CPU_BMIPS <<
1941 1365
1942 config SYS_HAS_CPU_BMIPS5000 !! 1366 config SYS_HAS_CPU_CAVIUM_OCTEON
1943 bool 1367 bool
1944 select SYS_HAS_CPU_BMIPS <<
1945 1368
1946 # 1369 #
1947 # CPU may reorder R->R, R->W, W->R, W->W 1370 # CPU may reorder R->R, R->W, W->R, W->W
1948 # Reordering beyond LL and SC is handled in W 1371 # Reordering beyond LL and SC is handled in WEAK_REORDERING_BEYOND_LLSC
1949 # 1372 #
1950 config WEAK_ORDERING 1373 config WEAK_ORDERING
1951 bool 1374 bool
1952 1375
1953 # 1376 #
1954 # CPU may reorder reads and writes beyond LL/ 1377 # CPU may reorder reads and writes beyond LL/SC
1955 # CPU may reorder R->LL, R->LL, W->LL, W->LL, 1378 # CPU may reorder R->LL, R->LL, W->LL, W->LL, R->SC, R->SC, W->SC, W->SC
1956 # 1379 #
1957 config WEAK_REORDERING_BEYOND_LLSC 1380 config WEAK_REORDERING_BEYOND_LLSC
1958 bool 1381 bool
1959 endmenu 1382 endmenu
1960 1383
1961 # 1384 #
1962 # These two indicate any level of the MIPS32 1385 # These two indicate any level of the MIPS32 and MIPS64 architecture
1963 # 1386 #
1964 config CPU_MIPS32 1387 config CPU_MIPS32
1965 bool 1388 bool
1966 default y if CPU_MIPS32_R1 || CPU_MIP !! 1389 default y if CPU_MIPS32_R1 || CPU_MIPS32_R2
1967 CPU_MIPS32_R6 || CPU_P56 <<
1968 1390
1969 config CPU_MIPS64 1391 config CPU_MIPS64
1970 bool 1392 bool
1971 default y if CPU_MIPS64_R1 || CPU_MIP !! 1393 default y if CPU_MIPS64_R1 || CPU_MIPS64_R2
1972 CPU_MIPS64_R6 || CPU_LOO <<
1973 1394
1974 # 1395 #
1975 # These indicate the revision of the architec !! 1396 # These two indicate the revision of the architecture, either Release 1 or Release 2
1976 # 1397 #
1977 config CPU_MIPSR1 1398 config CPU_MIPSR1
1978 bool 1399 bool
1979 default y if CPU_MIPS32_R1 || CPU_MIP 1400 default y if CPU_MIPS32_R1 || CPU_MIPS64_R1
1980 1401
1981 config CPU_MIPSR2 1402 config CPU_MIPSR2
1982 bool 1403 bool
1983 default y if CPU_MIPS32_R2 || CPU_MIP 1404 default y if CPU_MIPS32_R2 || CPU_MIPS64_R2 || CPU_CAVIUM_OCTEON
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 1405
2022 config SYS_SUPPORTS_32BIT_KERNEL 1406 config SYS_SUPPORTS_32BIT_KERNEL
2023 bool 1407 bool
2024 config SYS_SUPPORTS_64BIT_KERNEL 1408 config SYS_SUPPORTS_64BIT_KERNEL
2025 bool 1409 bool
2026 config CPU_SUPPORTS_32BIT_KERNEL 1410 config CPU_SUPPORTS_32BIT_KERNEL
2027 bool 1411 bool
2028 config CPU_SUPPORTS_64BIT_KERNEL 1412 config CPU_SUPPORTS_64BIT_KERNEL
2029 bool 1413 bool
2030 config CPU_SUPPORTS_CPUFREQ <<
2031 bool <<
2032 config CPU_SUPPORTS_ADDRWINCFG <<
2033 bool <<
2034 config CPU_SUPPORTS_HUGEPAGES 1414 config CPU_SUPPORTS_HUGEPAGES
2035 bool 1415 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 1416
2044 # 1417 #
2045 # Set to y for ptrace access to watch registe 1418 # Set to y for ptrace access to watch registers.
2046 # 1419 #
2047 config HARDWARE_WATCHPOINTS 1420 config HARDWARE_WATCHPOINTS
2048 bool !! 1421 bool
2049 default y if CPU_MIPSR1 || CPU_MIPSR2 !! 1422 default y if CPU_MIPSR1 || CPU_MIPSR2
2050 1423
2051 menu "Kernel type" 1424 menu "Kernel type"
2052 1425
2053 choice 1426 choice
>> 1427
2054 prompt "Kernel code model" 1428 prompt "Kernel code model"
2055 help 1429 help
2056 You should only select this option 1430 You should only select this option if you have a workload that
2057 actually benefits from 64-bit proce 1431 actually benefits from 64-bit processing or if your machine has
2058 large memory. You will only be pre 1432 large memory. You will only be presented a single option in this
2059 menu if your system does not suppor 1433 menu if your system does not support both 32-bit and 64-bit kernels.
2060 1434
2061 config 32BIT 1435 config 32BIT
2062 bool "32-bit kernel" 1436 bool "32-bit kernel"
2063 depends on CPU_SUPPORTS_32BIT_KERNEL 1437 depends on CPU_SUPPORTS_32BIT_KERNEL && SYS_SUPPORTS_32BIT_KERNEL
2064 select TRAD_SIGNALS 1438 select TRAD_SIGNALS
2065 help 1439 help
2066 Select this option if you want to b 1440 Select this option if you want to build a 32-bit kernel.
2067 <<
2068 config 64BIT 1441 config 64BIT
2069 bool "64-bit kernel" 1442 bool "64-bit kernel"
2070 depends on CPU_SUPPORTS_64BIT_KERNEL 1443 depends on CPU_SUPPORTS_64BIT_KERNEL && SYS_SUPPORTS_64BIT_KERNEL
>> 1444 select HAVE_SYSCALL_WRAPPERS
2071 help 1445 help
2072 Select this option if you want to b 1446 Select this option if you want to build a 64-bit kernel.
2073 1447
2074 endchoice 1448 endchoice
2075 1449
2076 config MIPS_VA_BITS_48 !! 1450 choice
2077 bool "48 bits virtual memory" !! 1451 prompt "Kernel page size"
2078 depends on 64BIT !! 1452 default PAGE_SIZE_4KB
2079 help <<
2080 Support a maximum at least 48 bits <<
2081 memory. Default is 40 bits or less <<
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 <<
2087 If unsure, say N. <<
2088 1453
2089 config ZBOOT_LOAD_ADDRESS !! 1454 config PAGE_SIZE_4KB
2090 hex "Compressed kernel load address" !! 1455 bool "4kB"
2091 default 0xffffffff80400000 if BCM47XX !! 1456 depends on !CPU_LOONGSON2
2092 default 0x0 !! 1457 help
2093 depends on SYS_SUPPORTS_ZBOOT !! 1458 This option select the standard 4kB Linux page size. On some
2094 help !! 1459 R3000-family processors this is the only available page size. Using
2095 The address to load compressed kern !! 1460 4kB page size will minimize memory consumption and is therefore
2096 !! 1461 recommended for low memory systems.
2097 This is only used if non-zero. !! 1462
2098 !! 1463 config PAGE_SIZE_8KB
2099 config ARCH_FORCE_MAX_ORDER !! 1464 bool "8kB"
2100 int "Maximum zone order" !! 1465 depends on (EXPERIMENTAL && CPU_R8000) || CPU_CAVIUM_OCTEON
2101 default "13" if MIPS_HUGE_TLB_SUPPORT !! 1466 help
2102 default "12" if MIPS_HUGE_TLB_SUPPORT !! 1467 Using 8kB page size will result in higher performance kernel at
2103 default "11" if MIPS_HUGE_TLB_SUPPORT !! 1468 the price of higher memory consumption. This option is available
2104 default "10" !! 1469 only on R8000 and cnMIPS processors. Note that you will need a
2105 help !! 1470 suitable Linux distribution to support this.
2106 The kernel memory allocator divides !! 1471
2107 blocks into "zones", where each zon !! 1472 config PAGE_SIZE_16KB
2108 pages. This option selects the lar !! 1473 bool "16kB"
2109 keeps in the memory allocator. If !! 1474 depends on !CPU_R3000 && !CPU_TX39XX
2110 blocks of physically contiguous mem !! 1475 help
2111 increase this value. !! 1476 Using 16kB page size will result in higher performance kernel at
>> 1477 the price of higher memory consumption. This option is available on
>> 1478 all non-R3000 family processors. Note that you will need a suitable
>> 1479 Linux distribution to support this.
>> 1480
>> 1481 config PAGE_SIZE_32KB
>> 1482 bool "32kB"
>> 1483 depends on CPU_CAVIUM_OCTEON
>> 1484 help
>> 1485 Using 32kB page size will result in higher performance kernel at
>> 1486 the price of higher memory consumption. This option is available
>> 1487 only on cnMIPS cores. Note that you will need a suitable Linux
>> 1488 distribution to support this.
>> 1489
>> 1490 config PAGE_SIZE_64KB
>> 1491 bool "64kB"
>> 1492 depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
>> 1493 help
>> 1494 Using 64kB page size will result in higher performance kernel at
>> 1495 the price of higher memory consumption. This option is available on
>> 1496 all non-R3000 family processor. Not that at the time of this
>> 1497 writing this option is still high experimental.
2112 1498
2113 The page size is not necessarily 4K !! 1499 endchoice
2114 when choosing a value for this opti <<
2115 1500
2116 config BOARD_SCACHE 1501 config BOARD_SCACHE
2117 bool 1502 bool
2118 1503
2119 config IP22_CPU_SCACHE 1504 config IP22_CPU_SCACHE
2120 bool 1505 bool
2121 select BOARD_SCACHE 1506 select BOARD_SCACHE
2122 1507
2123 # 1508 #
2124 # Support for a MIPS32 / MIPS64 style S-cache 1509 # Support for a MIPS32 / MIPS64 style S-caches
2125 # 1510 #
2126 config MIPS_CPU_SCACHE 1511 config MIPS_CPU_SCACHE
2127 bool 1512 bool
2128 select BOARD_SCACHE 1513 select BOARD_SCACHE
2129 1514
2130 config R5000_CPU_SCACHE 1515 config R5000_CPU_SCACHE
2131 bool 1516 bool
2132 select BOARD_SCACHE 1517 select BOARD_SCACHE
2133 1518
2134 config RM7000_CPU_SCACHE 1519 config RM7000_CPU_SCACHE
2135 bool 1520 bool
2136 select BOARD_SCACHE 1521 select BOARD_SCACHE
2137 1522
2138 config SIBYTE_DMA_PAGEOPS 1523 config SIBYTE_DMA_PAGEOPS
2139 bool "Use DMA to clear/copy pages" 1524 bool "Use DMA to clear/copy pages"
2140 depends on CPU_SB1 1525 depends on CPU_SB1
2141 help 1526 help
2142 Instead of using the CPU to zero an 1527 Instead of using the CPU to zero and copy pages, use a Data Mover
2143 channel. These DMA channels are ot 1528 channel. These DMA channels are otherwise unused by the standard
2144 SiByte Linux port. Seems to give a 1529 SiByte Linux port. Seems to give a small performance benefit.
2145 1530
2146 config CPU_HAS_PREFETCH 1531 config CPU_HAS_PREFETCH
2147 bool 1532 bool
2148 1533
2149 config CPU_GENERIC_DUMP_TLB !! 1534 choice
2150 bool !! 1535 prompt "MIPS MT options"
2151 default y if !CPU_R3000 <<
2152 1536
2153 config MIPS_FP_SUPPORT !! 1537 config MIPS_MT_DISABLED
2154 bool "Floating Point support" if EXPE !! 1538 bool "Disable multithreading support."
2155 default y <<
2156 help 1539 help
2157 Select y to include support for flo !! 1540 Use this option if your workload can't take advantage of
2158 including initialization of FPU har !! 1541 MIPS hardware multithreading support. On systems that don't have
2159 and emulation of an FPU where neces !! 1542 the option of an MT-enabled processor this option will be the only
2160 userland program attempting to use !! 1543 option in this menu.
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 1544
2185 config MIPS_MT_SMP 1545 config MIPS_MT_SMP
2186 bool "MIPS MT SMP support (1 TC on ea !! 1546 bool "Use 1 TC on each available VPE for SMP"
2187 default y !! 1547 depends on SYS_SUPPORTS_MULTITHREADING
2188 depends on TARGET_ISA_REV > 0 && TARG <<
2189 depends on SYS_SUPPORTS_MULTITHREADIN <<
2190 select CPU_MIPSR2_IRQ_VI 1548 select CPU_MIPSR2_IRQ_VI
2191 select CPU_MIPSR2_IRQ_EI 1549 select CPU_MIPSR2_IRQ_EI
2192 select SYNC_R4K <<
2193 select MIPS_MT 1550 select MIPS_MT
>> 1551 select NR_CPUS_DEFAULT_2
2194 select SMP 1552 select SMP
>> 1553 select SYS_SUPPORTS_SCHED_SMT if SMP
>> 1554 select SYS_SUPPORTS_SMP
2195 select SMP_UP 1555 select SMP_UP
>> 1556 help
>> 1557 This is a kernel model which is also known a VSMP or lately
>> 1558 has been marketesed into SMVP.
>> 1559
>> 1560 config MIPS_MT_SMTC
>> 1561 bool "SMTC: Use all TCs on all VPEs for SMP"
>> 1562 depends on CPU_MIPS32_R2
>> 1563 #depends on CPU_MIPS64_R2 # once there is hardware ...
>> 1564 depends on SYS_SUPPORTS_MULTITHREADING
>> 1565 select CPU_MIPSR2_IRQ_VI
>> 1566 select CPU_MIPSR2_IRQ_EI
>> 1567 select MIPS_MT
>> 1568 select NR_CPUS_DEFAULT_8
>> 1569 select SMP
2196 select SYS_SUPPORTS_SMP 1570 select SYS_SUPPORTS_SMP
2197 select SYS_SUPPORTS_SCHED_SMT !! 1571 select SMP_UP
2198 select MIPS_PERF_SHARED_TC_COUNTERS <<
2199 help 1572 help
2200 This is a kernel model which is kno !! 1573 This is a kernel model which is known a SMTC or lately has been
2201 on cores with the MT ASE and uses t !! 1574 marketesed into SMVP.
2202 virtual processors which supports S !! 1575
2203 Intel Hyperthreading feature. For f !! 1576 endchoice
2204 <http://www.imgtec.com/mips/mips-mu <<
2205 1577
2206 config MIPS_MT 1578 config MIPS_MT
2207 bool 1579 bool
2208 1580
2209 config SCHED_SMT 1581 config SCHED_SMT
2210 bool "SMT (multithreading) scheduler 1582 bool "SMT (multithreading) scheduler support"
2211 depends on SYS_SUPPORTS_SCHED_SMT 1583 depends on SYS_SUPPORTS_SCHED_SMT
2212 default n 1584 default n
2213 help 1585 help
2214 SMT scheduler support improves the 1586 SMT scheduler support improves the CPU scheduler's decision making
2215 when dealing with MIPS MT enabled c 1587 when dealing with MIPS MT enabled cores at a cost of slightly
2216 increased overhead in some places. 1588 increased overhead in some places. If unsure say N here.
2217 1589
2218 config SYS_SUPPORTS_SCHED_SMT 1590 config SYS_SUPPORTS_SCHED_SMT
2219 bool 1591 bool
2220 1592
>> 1593
2221 config SYS_SUPPORTS_MULTITHREADING 1594 config SYS_SUPPORTS_MULTITHREADING
2222 bool 1595 bool
2223 1596
2224 config MIPS_MT_FPAFF 1597 config MIPS_MT_FPAFF
2225 bool "Dynamic FPU affinity for FP-int 1598 bool "Dynamic FPU affinity for FP-intensive threads"
2226 default y 1599 default y
2227 depends on MIPS_MT_SMP !! 1600 depends on MIPS_MT_SMP || MIPS_MT_SMTC
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 <<
2245 Indicates that the platform support <<
2246 physical_memsize. <<
2247 1601
2248 config MIPS_VPE_LOADER 1602 config MIPS_VPE_LOADER
2249 bool "VPE loader support." 1603 bool "VPE loader support."
2250 depends on SYS_SUPPORTS_VPE_LOADER && !! 1604 depends on SYS_SUPPORTS_MULTITHREADING
2251 select CPU_MIPSR2_IRQ_VI 1605 select CPU_MIPSR2_IRQ_VI
2252 select CPU_MIPSR2_IRQ_EI 1606 select CPU_MIPSR2_IRQ_EI
2253 select MIPS_MT 1607 select MIPS_MT
2254 help 1608 help
2255 Includes a loader for loading an el 1609 Includes a loader for loading an elf relocatable object
2256 onto another VPE and running it. 1610 onto another VPE and running it.
2257 1611
2258 config MIPS_VPE_LOADER_MT !! 1612 config MIPS_MT_SMTC_IM_BACKSTOP
2259 bool !! 1613 bool "Use per-TC register bits as backstop for inhibited IM bits"
2260 default "y" !! 1614 depends on MIPS_MT_SMTC
2261 depends on MIPS_VPE_LOADER !! 1615 default n
>> 1616 help
>> 1617 To support multiple TC microthreads acting as "CPUs" within
>> 1618 a VPE, VPE-wide interrupt mask bits must be specially manipulated
>> 1619 during interrupt handling. To support legacy drivers and interrupt
>> 1620 controller management code, SMTC has a "backstop" to track and
>> 1621 if necessary restore the interrupt mask. This has some performance
>> 1622 impact on interrupt service overhead.
>> 1623
>> 1624 config MIPS_MT_SMTC_IRQAFF
>> 1625 bool "Support IRQ affinity API"
>> 1626 depends on MIPS_MT_SMTC
>> 1627 default n
>> 1628 help
>> 1629 Enables SMP IRQ affinity API (/proc/irq/*/smp_affinity, etc.)
>> 1630 for SMTC Linux kernel. Requires platform support, of which
>> 1631 an example can be found in the MIPS kernel i8259 and Malta
>> 1632 platform code. Adds some overhead to interrupt dispatch, and
>> 1633 should be used only if you know what you are doing.
2262 1634
2263 config MIPS_VPE_LOADER_TOM 1635 config MIPS_VPE_LOADER_TOM
2264 bool "Load VPE program into memory hi 1636 bool "Load VPE program into memory hidden from linux"
2265 depends on MIPS_VPE_LOADER 1637 depends on MIPS_VPE_LOADER
2266 default y 1638 default y
2267 help 1639 help
2268 The loader can use memory that is p 1640 The loader can use memory that is present but has been hidden from
2269 Linux using the kernel command line 1641 Linux using the kernel command line option "mem=xxMB". It's up to
2270 you to ensure the amount you put in 1642 you to ensure the amount you put in the option and the space your
2271 program requires is less or equal t 1643 program requires is less or equal to the amount physically present.
2272 1644
>> 1645 # this should possibly be in drivers/char, but it is rather cpu related. Hmmm
2273 config MIPS_VPE_APSP_API 1646 config MIPS_VPE_APSP_API
2274 bool "Enable support for AP/SP API (R 1647 bool "Enable support for AP/SP API (RTLX)"
2275 depends on MIPS_VPE_LOADER 1648 depends on MIPS_VPE_LOADER
>> 1649 help
2276 1650
2277 config MIPS_VPE_APSP_API_MT !! 1651 config MIPS_APSP_KSPD
2278 bool !! 1652 bool "Enable KSPD"
2279 default "y" <<
2280 depends on MIPS_VPE_APSP_API 1653 depends on MIPS_VPE_APSP_API
2281 !! 1654 default y
2282 config MIPS_CPS !! 1655 help
2283 bool "MIPS Coherent Processing System !! 1656 KSPD is a kernel daemon that accepts syscall requests from the SP
2284 depends on SYS_SUPPORTS_MIPS_CPS !! 1657 side, actions them and returns the results. It also handles the
2285 select MIPS_CM !! 1658 "exit" syscall notifying other kernel modules the SP program is
2286 select MIPS_CPS_PM if HOTPLUG_CPU !! 1659 exiting. You probably want to say yes here.
2287 select SMP !! 1660
2288 select HOTPLUG_CORE_SYNC_DEAD if HOTP !! 1661 config MIPS_CMP
2289 select SYNC_R4K if (CEVT_R4K || CSRC_ !! 1662 bool "MIPS CMP framework support"
2290 select SYS_SUPPORTS_HOTPLUG_CPU !! 1663 depends on SYS_SUPPORTS_MIPS_CMP
2291 select SYS_SUPPORTS_SCHED_SMT if CPU_ !! 1664 select SYNC_R4K
2292 select SYS_SUPPORTS_SMP 1665 select SYS_SUPPORTS_SMP
>> 1666 select SYS_SUPPORTS_SCHED_SMT if SMP
2293 select WEAK_ORDERING 1667 select WEAK_ORDERING
2294 select GENERIC_IRQ_MIGRATION if HOTPL !! 1668 default n
2295 help 1669 help
2296 Select this if you wish to run an S !! 1670 This is a placeholder option for the GCMP work. It will need to
2297 within a MIPS Coherent Processing S !! 1671 be handled differently...
2298 enabled the kernel will probe for o <<
2299 no external assistance. It is safe <<
2300 support is unavailable. <<
2301 <<
2302 config MIPS_CPS_PM <<
2303 depends on MIPS_CPS <<
2304 bool <<
2305 <<
2306 config MIPS_CM <<
2307 bool <<
2308 select MIPS_CPC <<
2309 1672
2310 config MIPS_CPC !! 1673 config SB1_PASS_1_WORKAROUNDS
2311 bool 1674 bool
>> 1675 depends on CPU_SB1_PASS_1
>> 1676 default y
2312 1677
2313 config SB1_PASS_2_WORKAROUNDS 1678 config SB1_PASS_2_WORKAROUNDS
2314 bool 1679 bool
2315 depends on CPU_SB1 && (CPU_SB1_PASS_2 1680 depends on CPU_SB1 && (CPU_SB1_PASS_2_2 || CPU_SB1_PASS_2)
2316 default y 1681 default y
2317 1682
2318 config SB1_PASS_2_1_WORKAROUNDS 1683 config SB1_PASS_2_1_WORKAROUNDS
2319 bool 1684 bool
2320 depends on CPU_SB1 && CPU_SB1_PASS_2 1685 depends on CPU_SB1 && CPU_SB1_PASS_2
2321 default y 1686 default y
2322 1687
2323 choice !! 1688 config 64BIT_PHYS_ADDR
2324 prompt "SmartMIPS or microMIPS ASE su !! 1689 bool
2325 <<
2326 config CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS <<
2327 bool "None" <<
2328 help <<
2329 Select this if you want neither mic <<
2330 1690
2331 config CPU_HAS_SMARTMIPS 1691 config CPU_HAS_SMARTMIPS
2332 depends on SYS_SUPPORTS_SMARTMIPS 1692 depends on SYS_SUPPORTS_SMARTMIPS
2333 bool "SmartMIPS" !! 1693 bool "Support for the SmartMIPS ASE"
2334 help 1694 help
2335 SmartMIPS is a extension of the MIP 1695 SmartMIPS is a extension of the MIPS32 architecture aimed at
2336 increased security at both hardware 1696 increased security at both hardware and software level for
2337 smartcards. Enabling this option w 1697 smartcards. Enabling this option will allow proper use of the
2338 SmartMIPS instructions by Linux app 1698 SmartMIPS instructions by Linux applications. However a kernel with
2339 this option will not work on a MIPS 1699 this option will not work on a MIPS core without SmartMIPS core. If
2340 you don't know you probably don't h 1700 you don't know you probably don't have SmartMIPS and should say N
2341 here. 1701 here.
2342 1702
2343 config CPU_MICROMIPS <<
2344 depends on 32BIT && SYS_SUPPORTS_MICR <<
2345 bool "microMIPS" <<
2346 help <<
2347 When this option is enabled the ker <<
2348 microMIPS ISA <<
2349 <<
2350 endchoice <<
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 1703 config CPU_HAS_WB
2369 bool 1704 bool
2370 1705
2371 config XKS01 <<
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 # 1706 #
2393 # Vectored interrupt mode is an R2 feature 1707 # Vectored interrupt mode is an R2 feature
2394 # 1708 #
2395 config CPU_MIPSR2_IRQ_VI 1709 config CPU_MIPSR2_IRQ_VI
2396 bool 1710 bool
2397 1711
2398 # 1712 #
2399 # Extended interrupt mode is an R2 feature 1713 # Extended interrupt mode is an R2 feature
2400 # 1714 #
2401 config CPU_MIPSR2_IRQ_EI 1715 config CPU_MIPSR2_IRQ_EI
2402 bool 1716 bool
2403 1717
2404 config CPU_HAS_SYNC 1718 config CPU_HAS_SYNC
2405 bool 1719 bool
2406 depends on !CPU_R3000 1720 depends on !CPU_R3000
2407 default y 1721 default y
2408 1722
>> 1723 config GENERIC_CLOCKEVENTS_BROADCAST
>> 1724 bool
>> 1725
2409 # 1726 #
2410 # CPU non-features 1727 # CPU non-features
2411 # 1728 #
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 1729 config CPU_DADDI_WORKAROUNDS
2427 bool 1730 bool
2428 1731
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 1732 config CPU_R4000_WORKAROUNDS
2448 bool 1733 bool
2449 select CPU_R4400_WORKAROUNDS 1734 select CPU_R4400_WORKAROUNDS
2450 1735
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 1736 config CPU_R4400_WORKAROUNDS
2458 bool 1737 bool
2459 1738
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 # 1739 #
2506 # This is allowed: lw !! 1740 # Use the generic interrupt handling code in kernel/irq/:
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 # 1741 #
2517 # R4600 v2.0 bug: "The CACHE instructions Hit !! 1742 config GENERIC_HARDIRQS
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 1743 bool
>> 1744 default y
2541 1745
2542 # On the R10000 up to version 2.6 (not sure a !! 1746 config GENERIC_IRQ_PROBE
2543 # may cause ll / sc and lld / scd sequences t <<
2544 config WAR_R10000_LLSC <<
2545 bool 1747 bool
>> 1748 default y
2546 1749
2547 # 34K core erratum: "Problems Executing the T !! 1750 config IRQ_PER_CPU
2548 config WAR_MIPS34K_MISSED_ITLB <<
2549 bool 1751 bool
2550 1752
2551 # 1753 #
2552 # - Highmem only makes sense for the 32-bit k 1754 # - Highmem only makes sense for the 32-bit kernel.
2553 # - The current highmem code will only work p 1755 # - The current highmem code will only work properly on physically indexed
2554 # caches such as R3000, SB1, R7000 or those 1756 # caches such as R3000, SB1, R7000 or those that look like they're virtually
2555 # indexed such as R4000/R4400 SC and MC ver 1757 # indexed such as R4000/R4400 SC and MC versions or R10000. So for the
2556 # moment we protect the user and offer the 1758 # moment we protect the user and offer the highmem option only on machines
2557 # where it's known to be safe. This will n 1759 # where it's known to be safe. This will not offer highmem on a few systems
2558 # such as MIPS32 and MIPS64 CPUs which may 1760 # such as MIPS32 and MIPS64 CPUs which may have virtual and physically
2559 # indexed CPUs but we're playing safe. 1761 # indexed CPUs but we're playing safe.
2560 # - We use SYS_SUPPORTS_HIGHMEM to offer high 1762 # - We use SYS_SUPPORTS_HIGHMEM to offer highmem only for systems where we
2561 # know they might have memory configuration 1763 # know they might have memory configurations that could make use of highmem
2562 # support. 1764 # support.
2563 # 1765 #
2564 config HIGHMEM 1766 config HIGHMEM
2565 bool "High Memory Support" 1767 bool "High Memory Support"
2566 depends on 32BIT && CPU_SUPPORTS_HIGH !! 1768 depends on 32BIT && CPU_SUPPORTS_HIGHMEM && SYS_SUPPORTS_HIGHMEM
2567 select KMAP_LOCAL <<
2568 1769
2569 config CPU_SUPPORTS_HIGHMEM 1770 config CPU_SUPPORTS_HIGHMEM
2570 bool 1771 bool
2571 1772
2572 config SYS_SUPPORTS_HIGHMEM 1773 config SYS_SUPPORTS_HIGHMEM
2573 bool 1774 bool
2574 1775
2575 config SYS_SUPPORTS_SMARTMIPS 1776 config SYS_SUPPORTS_SMARTMIPS
2576 bool 1777 bool
2577 1778
2578 config SYS_SUPPORTS_MICROMIPS !! 1779 config ARCH_FLATMEM_ENABLE
2579 bool !! 1780 def_bool y
>> 1781 depends on !NUMA && !CPU_LOONGSON2
2580 1782
2581 config SYS_SUPPORTS_MIPS16 !! 1783 config ARCH_DISCONTIGMEM_ENABLE
2582 bool 1784 bool
>> 1785 default y if SGI_IP27
2583 help 1786 help
2584 This option must be set if a kernel !! 1787 Say Y to support efficient handling of discontiguous physical memory,
2585 enabled CPU even if MIPS16 is not a !! 1788 for architectures which are either NUMA (Non-Uniform Memory Access)
2586 words, it makes the kernel MIPS16-t !! 1789 or have huge holes in the physical address space for other reasons.
2587 !! 1790 See <file:Documentation/vm/numa> for more.
2588 config CPU_SUPPORTS_MSA <<
2589 bool <<
2590 1791
2591 config ARCH_FLATMEM_ENABLE !! 1792 config ARCH_POPULATES_NODE_MAP
2592 def_bool y 1793 def_bool y
2593 depends on !NUMA && !CPU_LOONGSON2EF <<
2594 1794
2595 config ARCH_SPARSEMEM_ENABLE 1795 config ARCH_SPARSEMEM_ENABLE
2596 bool 1796 bool
>> 1797 select SPARSEMEM_STATIC
2597 1798
2598 config NUMA 1799 config NUMA
2599 bool "NUMA Support" 1800 bool "NUMA Support"
2600 depends on SYS_SUPPORTS_NUMA 1801 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 1802 help
2605 Say Y to compile the kernel to supp 1803 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
2606 Access). This option improves perf 1804 Access). This option improves performance on systems with more
2607 than two nodes; on two node systems 1805 than two nodes; on two node systems it is generally better to
2608 leave it disabled; on single node s !! 1806 leave it disabled; on single node systems disable this option
2609 disabled. 1807 disabled.
2610 1808
2611 config SYS_SUPPORTS_NUMA 1809 config SYS_SUPPORTS_NUMA
2612 bool 1810 bool
2613 1811
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 1812 config NODES_SHIFT
2676 int 1813 int
2677 default "6" 1814 default "6"
2678 depends on NUMA !! 1815 depends on NEED_MULTIPLE_NODES
2679 1816
2680 config HW_PERF_EVENTS !! 1817 source "mm/Kconfig"
2681 bool "Enable hardware performance cou <<
2682 depends on PERF_EVENTS && (CPU_MIPS32 <<
2683 default y <<
2684 help <<
2685 Enable hardware performance counter <<
2686 disabled, perf events will use soft <<
2687 <<
2688 config DMI <<
2689 bool "Enable DMI scanning" <<
2690 depends on MACH_LOONGSON64 <<
2691 select DMI_SCAN_MACHINE_NON_EFI_FALLB <<
2692 default y <<
2693 help <<
2694 Enabled scanning of DMI to identify <<
2695 here unless you have verified that <<
2696 affected by entries in the DMI blac <<
2697 BIOS code. <<
2698 1818
2699 config SMP 1819 config SMP
2700 bool "Multi-Processing support" 1820 bool "Multi-Processing support"
2701 depends on SYS_SUPPORTS_SMP 1821 depends on SYS_SUPPORTS_SMP
>> 1822 select IRQ_PER_CPU
>> 1823 select USE_GENERIC_SMP_HELPERS
2702 help 1824 help
2703 This enables support for systems wi 1825 This enables support for systems with more than one CPU. If you have
2704 a system with only one CPU, say N. !! 1826 a system with only one CPU, like most personal computers, say N. If
2705 than one CPU, say Y. !! 1827 you have a system with more than one CPU, say Y.
2706 1828
2707 If you say N here, the kernel will !! 1829 If you say N here, the kernel will run on single and multiprocessor
2708 machines, but will use only one CPU 1830 machines, but will use only one CPU of a multiprocessor machine. If
2709 you say Y here, the kernel will run 1831 you say Y here, the kernel will run on many, but not all,
2710 uniprocessor machines. On a uniproc !! 1832 singleprocessor machines. On a singleprocessor machine, the kernel
2711 will run faster if you say N here. 1833 will run faster if you say N here.
2712 1834
2713 People using multiprocessor machine 1835 People using multiprocessor machines who say Y here should also say
2714 Y to "Enhanced Real Time Clock Supp 1836 Y to "Enhanced Real Time Clock Support", below.
2715 1837
2716 See also the SMP-HOWTO available at 1838 See also the SMP-HOWTO available at
2717 <https://www.tldp.org/docs.html#how !! 1839 <http://www.tldp.org/docs.html#howto>.
2718 1840
2719 If you don't know what to do here, 1841 If you don't know what to do here, say N.
2720 1842
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 1843 config SMP_UP
2732 bool 1844 bool
2733 1845
2734 config SYS_SUPPORTS_MIPS_CPS !! 1846 config SYS_SUPPORTS_MIPS_CMP
2735 bool 1847 bool
2736 1848
2737 config SYS_SUPPORTS_SMP 1849 config SYS_SUPPORTS_SMP
2738 bool 1850 bool
2739 1851
>> 1852 config NR_CPUS_DEFAULT_1
>> 1853 bool
>> 1854
>> 1855 config NR_CPUS_DEFAULT_2
>> 1856 bool
>> 1857
2740 config NR_CPUS_DEFAULT_4 1858 config NR_CPUS_DEFAULT_4
2741 bool 1859 bool
2742 1860
2743 config NR_CPUS_DEFAULT_8 1861 config NR_CPUS_DEFAULT_8
2744 bool 1862 bool
2745 1863
2746 config NR_CPUS_DEFAULT_16 1864 config NR_CPUS_DEFAULT_16
2747 bool 1865 bool
2748 1866
2749 config NR_CPUS_DEFAULT_32 1867 config NR_CPUS_DEFAULT_32
2750 bool 1868 bool
2751 1869
2752 config NR_CPUS_DEFAULT_64 1870 config NR_CPUS_DEFAULT_64
2753 bool 1871 bool
2754 1872
2755 config NR_CPUS 1873 config NR_CPUS
2756 int "Maximum number of CPUs (2-256)" !! 1874 int "Maximum number of CPUs (2-64)"
2757 range 2 256 !! 1875 range 1 64 if NR_CPUS_DEFAULT_1
2758 depends on SMP 1876 depends on SMP
>> 1877 default "1" if NR_CPUS_DEFAULT_1
>> 1878 default "2" if NR_CPUS_DEFAULT_2
2759 default "4" if NR_CPUS_DEFAULT_4 1879 default "4" if NR_CPUS_DEFAULT_4
2760 default "8" if NR_CPUS_DEFAULT_8 1880 default "8" if NR_CPUS_DEFAULT_8
2761 default "16" if NR_CPUS_DEFAULT_16 1881 default "16" if NR_CPUS_DEFAULT_16
2762 default "32" if NR_CPUS_DEFAULT_32 1882 default "32" if NR_CPUS_DEFAULT_32
2763 default "64" if NR_CPUS_DEFAULT_64 1883 default "64" if NR_CPUS_DEFAULT_64
2764 help 1884 help
2765 This allows you to specify the maxi 1885 This allows you to specify the maximum number of CPUs which this
2766 kernel will support. The maximum s 1886 kernel will support. The maximum supported value is 32 for 32-bit
2767 kernel and 64 for 64-bit kernels; t 1887 kernel and 64 for 64-bit kernels; the minimum value which makes
2768 sense is 1 for Qemu (useful only fo 1888 sense is 1 for Qemu (useful only for kernel debugging purposes)
2769 and 2 for all others. 1889 and 2 for all others.
2770 1890
2771 This is purely to save memory - eac 1891 This is purely to save memory - each supported CPU adds
2772 approximately eight kilobytes to th 1892 approximately eight kilobytes to the kernel image. For best
2773 performance should round up your nu 1893 performance should round up your number of processors to the next
2774 power of two. 1894 power of two.
2775 1895
2776 config MIPS_PERF_SHARED_TC_COUNTERS !! 1896 source "kernel/time/Kconfig"
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 1897
2788 # 1898 #
2789 # Timer Interrupt Frequency Configuration 1899 # Timer Interrupt Frequency Configuration
2790 # 1900 #
2791 1901
2792 choice 1902 choice
2793 prompt "Timer frequency" 1903 prompt "Timer frequency"
2794 default HZ_250 1904 default HZ_250
2795 help 1905 help
2796 Allows the configuration of the tim !! 1906 Allows the configuration of the timer frequency.
2797 <<
2798 config HZ_24 <<
2799 bool "24 HZ" if SYS_SUPPORTS_ <<
2800 1907
2801 config HZ_48 1908 config HZ_48
2802 bool "48 HZ" if SYS_SUPPORTS_ 1909 bool "48 HZ" if SYS_SUPPORTS_48HZ || SYS_SUPPORTS_ARBIT_HZ
2803 1910
2804 config HZ_100 1911 config HZ_100
2805 bool "100 HZ" if SYS_SUPPORTS 1912 bool "100 HZ" if SYS_SUPPORTS_100HZ || SYS_SUPPORTS_ARBIT_HZ
2806 1913
2807 config HZ_128 1914 config HZ_128
2808 bool "128 HZ" if SYS_SUPPORTS 1915 bool "128 HZ" if SYS_SUPPORTS_128HZ || SYS_SUPPORTS_ARBIT_HZ
2809 1916
2810 config HZ_250 1917 config HZ_250
2811 bool "250 HZ" if SYS_SUPPORTS 1918 bool "250 HZ" if SYS_SUPPORTS_250HZ || SYS_SUPPORTS_ARBIT_HZ
2812 1919
2813 config HZ_256 1920 config HZ_256
2814 bool "256 HZ" if SYS_SUPPORTS 1921 bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
2815 1922
2816 config HZ_1000 1923 config HZ_1000
2817 bool "1000 HZ" if SYS_SUPPORT 1924 bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
2818 1925
2819 config HZ_1024 1926 config HZ_1024
2820 bool "1024 HZ" if SYS_SUPPORT 1927 bool "1024 HZ" if SYS_SUPPORTS_1024HZ || SYS_SUPPORTS_ARBIT_HZ
2821 1928
2822 endchoice 1929 endchoice
2823 1930
2824 config SYS_SUPPORTS_24HZ <<
2825 bool <<
2826 <<
2827 config SYS_SUPPORTS_48HZ 1931 config SYS_SUPPORTS_48HZ
2828 bool 1932 bool
2829 1933
2830 config SYS_SUPPORTS_100HZ 1934 config SYS_SUPPORTS_100HZ
2831 bool 1935 bool
2832 1936
2833 config SYS_SUPPORTS_128HZ 1937 config SYS_SUPPORTS_128HZ
2834 bool 1938 bool
2835 1939
2836 config SYS_SUPPORTS_250HZ 1940 config SYS_SUPPORTS_250HZ
2837 bool 1941 bool
2838 1942
2839 config SYS_SUPPORTS_256HZ 1943 config SYS_SUPPORTS_256HZ
2840 bool 1944 bool
2841 1945
2842 config SYS_SUPPORTS_1000HZ 1946 config SYS_SUPPORTS_1000HZ
2843 bool 1947 bool
2844 1948
2845 config SYS_SUPPORTS_1024HZ 1949 config SYS_SUPPORTS_1024HZ
2846 bool 1950 bool
2847 1951
2848 config SYS_SUPPORTS_ARBIT_HZ 1952 config SYS_SUPPORTS_ARBIT_HZ
2849 bool 1953 bool
2850 default y if !SYS_SUPPORTS_24HZ && \ !! 1954 default y if !SYS_SUPPORTS_48HZ && !SYS_SUPPORTS_100HZ && \
2851 !SYS_SUPPORTS_48HZ && \ !! 1955 !SYS_SUPPORTS_128HZ && !SYS_SUPPORTS_250HZ && \
2852 !SYS_SUPPORTS_100HZ && \ !! 1956 !SYS_SUPPORTS_256HZ && !SYS_SUPPORTS_1000HZ && \
2853 !SYS_SUPPORTS_128HZ && \ <<
2854 !SYS_SUPPORTS_250HZ && \ <<
2855 !SYS_SUPPORTS_256HZ && \ <<
2856 !SYS_SUPPORTS_1000HZ && <<
2857 !SYS_SUPPORTS_1024HZ 1957 !SYS_SUPPORTS_1024HZ
2858 1958
2859 config HZ 1959 config HZ
2860 int 1960 int
2861 default 24 if HZ_24 <<
2862 default 48 if HZ_48 1961 default 48 if HZ_48
2863 default 100 if HZ_100 1962 default 100 if HZ_100
2864 default 128 if HZ_128 1963 default 128 if HZ_128
2865 default 250 if HZ_250 1964 default 250 if HZ_250
2866 default 256 if HZ_256 1965 default 256 if HZ_256
2867 default 1000 if HZ_1000 1966 default 1000 if HZ_1000
2868 default 1024 if HZ_1024 1967 default 1024 if HZ_1024
2869 1968
2870 config SCHED_HRTICK !! 1969 source "kernel/Kconfig.preempt"
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 1970
2925 choice !! 1971 config MIPS_INSANE_LARGE
2926 prompt "Kernel appended dtb support" !! 1972 bool "Support for large 64-bit configurations"
2927 depends on USE_OF !! 1973 depends on CPU_R10000 && 64BIT
2928 default MIPS_NO_APPENDED_DTB !! 1974 help
2929 !! 1975 MIPS R10000 does support a 44 bit / 16TB address space as opposed to
2930 config MIPS_NO_APPENDED_DTB !! 1976 previous 64-bit processors which only supported 40 bit / 1TB. If you
2931 bool "None" !! 1977 need processes of more than 1TB virtual address space, say Y here.
2932 help !! 1978 This will result in additional memory usage, so it is not
2933 Do not enable appended dtb !! 1979 recommended for normal users.
2934 !! 1980
2935 config MIPS_ELF_APPENDED_DTB !! 1981 config KEXEC
2936 bool "vmlinux" !! 1982 bool "Kexec system call (EXPERIMENTAL)"
2937 help !! 1983 depends on EXPERIMENTAL
2938 With this option, the boot !! 1984 help
2939 DTB) included in the vmlinu !! 1985 kexec is a system call that implements the ability to shutdown your
2940 it is empty and the DTB can !! 1986 current kernel, and to start another kernel. It is like a reboot
2941 objcopy: !! 1987 but it is independent of the system firmware. And like a reboot
2942 !! 1988 you can start any kernel with it, not just Linux.
2943 objcopy --update-section !! 1989
2944 !! 1990 The name comes from the similarity to the exec system call.
2945 This is meant as a backward !! 1991
2946 systems with a bootloader t !! 1992 It is an ongoing process to be certain the hardware in a machine
2947 the documented boot protoco !! 1993 is properly shutdown, so do not be surprised if this code does not
2948 !! 1994 initially work for you. It may help to enable device hotplugging
2949 config MIPS_RAW_APPENDED_DTB !! 1995 support. As of this writing the exact hardware interface is
2950 bool "vmlinux.bin or vmlinuz. !! 1996 strongly in flux, so no good recommendation can be made.
2951 help !! 1997
2952 With this option, the boot !! 1998 config SECCOMP
2953 DTB) appended to raw vmlinu !! 1999 bool "Enable seccomp to safely compute untrusted bytecode"
2954 (e.g. cat vmlinux.bin <file !! 2000 depends on PROC_FS
2955 !! 2001 default y
2956 This is meant as a backward !! 2002 help
2957 systems with a bootloader t !! 2003 This kernel feature is useful for number crunching applications
2958 the documented boot protoco !! 2004 that may need to compute untrusted bytecode during their
2959 !! 2005 execution. By using pipes or other transports made available to
2960 Beware that there is very l !! 2006 the process as file descriptors supporting the read/write
2961 this option being confused !! 2007 syscalls, it's possible to isolate those applications in
2962 look like a DTB header afte !! 2008 their own address space using seccomp. Once seccomp is
2963 to vmlinux.bin. Do not lea !! 2009 enabled via /proc/<pid>/seccomp, it cannot be disabled
2964 if you don't intend to alwa !! 2010 and the task is only allowed to execute a few safe syscalls
2965 endchoice !! 2011 defined by each seccomp mode.
2966 2012
2967 choice !! 2013 If unsure, say Y. Only embedded should say N here.
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 2014
2991 endmenu 2015 endmenu
2992 2016
2993 config LOCKDEP_SUPPORT 2017 config LOCKDEP_SUPPORT
2994 bool 2018 bool
2995 default y 2019 default y
2996 2020
2997 config STACKTRACE_SUPPORT 2021 config STACKTRACE_SUPPORT
2998 bool 2022 bool
2999 default y 2023 default y
3000 2024
3001 config PGTABLE_LEVELS !! 2025 source "init/Kconfig"
3002 int <<
3003 default 4 if PAGE_SIZE_4KB && MIPS_VA <<
3004 default 3 if 64BIT && (!PAGE_SIZE_64K <<
3005 default 2 <<
3006 2026
3007 config MIPS_AUTO_PFN_OFFSET !! 2027 config PROBE_INITRD_HEADER
3008 bool !! 2028 bool "Probe initrd header created by addinitrd"
>> 2029 depends on BLK_DEV_INITRD
>> 2030 help
>> 2031 Probe initrd header at the last page of kernel image.
>> 2032 Say Y here if you are using arch/mips/boot/addinitrd.c to
>> 2033 add initrd or initramfs image to the kernel image.
>> 2034 Otherwise, say N.
>> 2035
>> 2036 source "kernel/Kconfig.freezer"
3009 2037
3010 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC 2038 menu "Bus options (PCI, PCMCIA, EISA, ISA, TC)"
3011 2039
3012 config PCI_DRIVERS_GENERIC !! 2040 config HW_HAS_EISA
3013 select PCI_DOMAINS_GENERIC if PCI <<
3014 bool 2041 bool
>> 2042 config HW_HAS_PCI
>> 2043 bool
>> 2044
>> 2045 config PCI
>> 2046 bool "Support for PCI controller"
>> 2047 depends on HW_HAS_PCI
>> 2048 select PCI_DOMAINS
>> 2049 help
>> 2050 Find out whether you have a PCI motherboard. PCI is the name of a
>> 2051 bus system, i.e. the way the CPU talks to the other stuff inside
>> 2052 your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
>> 2053 say Y, otherwise N.
3015 2054
3016 config PCI_DRIVERS_LEGACY !! 2055 config PCI_DOMAINS
3017 def_bool !PCI_DRIVERS_GENERIC !! 2056 bool
3018 select NO_GENERIC_PCI_IOPORT_MAP !! 2057
3019 select PCI_DOMAINS if PCI !! 2058 source "drivers/pci/Kconfig"
3020 2059
3021 # 2060 #
3022 # ISA support is now enabled via select. Too 2061 # ISA support is now enabled via select. Too many systems still have the one
3023 # or other ISA chip on the board that users d 2062 # or other ISA chip on the board that users don't know about so don't expect
3024 # users to choose the right thing ... 2063 # users to choose the right thing ...
3025 # 2064 #
3026 config ISA 2065 config ISA
3027 bool 2066 bool
3028 2067
>> 2068 config EISA
>> 2069 bool "EISA support"
>> 2070 depends on HW_HAS_EISA
>> 2071 select ISA
>> 2072 select GENERIC_ISA_DMA
>> 2073 ---help---
>> 2074 The Extended Industry Standard Architecture (EISA) bus was
>> 2075 developed as an open alternative to the IBM MicroChannel bus.
>> 2076
>> 2077 The EISA bus provided some of the features of the IBM MicroChannel
>> 2078 bus while maintaining backward compatibility with cards made for
>> 2079 the older ISA bus. The EISA bus saw limited use between 1988 and
>> 2080 1995 when it was made obsolete by the PCI bus.
>> 2081
>> 2082 Say Y here if you are building a kernel for an EISA-based machine.
>> 2083
>> 2084 Otherwise, say N.
>> 2085
>> 2086 source "drivers/eisa/Kconfig"
>> 2087
3029 config TC 2088 config TC
3030 bool "TURBOchannel support" 2089 bool "TURBOchannel support"
3031 depends on MACH_DECSTATION 2090 depends on MACH_DECSTATION
3032 help 2091 help
3033 TURBOchannel is a DEC (now Compaq ( !! 2092 TurboChannel is a DEC (now Compaq (now HP)) bus for Alpha and MIPS
3034 processors. TURBOchannel programmi !! 2093 processors. Documentation on writing device drivers for TurboChannel
3035 at: !! 2094 is available at:
3036 <ftp://ftp.hp.com/pub/alphaserver/a !! 2095 <http://www.cs.arizona.edu/computer.help/policy/DIGITAL_unix/AA-PS3HD-TET1_html/TITLE.html>.
3037 and: !! 2096
3038 <http://www.computer-refuge.org/cla !! 2097 #config ACCESSBUS
3039 Linux driver support status is docu !! 2098 # bool "Access.Bus support"
3040 <http://www.linux-mips.org/wiki/DEC !! 2099 # depends on TC
3041 2100
3042 config MMU 2101 config MMU
3043 bool 2102 bool
3044 default y 2103 default y
3045 2104
3046 config ARCH_MMAP_RND_BITS_MIN !! 2105 config I8253
3047 default 12 if 64BIT !! 2106 bool
3048 default 8 <<
3049 <<
3050 config ARCH_MMAP_RND_BITS_MAX <<
3051 default 18 if 64BIT <<
3052 default 15 <<
3053 2107
3054 config ARCH_MMAP_RND_COMPAT_BITS_MIN !! 2108 config ZONE_DMA32
3055 default 8 !! 2109 bool
3056 2110
3057 config ARCH_MMAP_RND_COMPAT_BITS_MAX !! 2111 source "drivers/pcmcia/Kconfig"
3058 default 15 !! 2112
>> 2113 source "drivers/pci/hotplug/Kconfig"
3059 2114
3060 config I8253 <<
3061 bool <<
3062 select CLKSRC_I8253 <<
3063 select CLKEVT_I8253 <<
3064 select MIPS_EXTERNAL_TIMER <<
3065 endmenu 2115 endmenu
3066 2116
>> 2117 menu "Executable file formats"
>> 2118
>> 2119 source "fs/Kconfig.binfmt"
>> 2120
3067 config TRAD_SIGNALS 2121 config TRAD_SIGNALS
3068 bool 2122 bool
3069 2123
3070 config MIPS32_COMPAT 2124 config MIPS32_COMPAT
3071 bool !! 2125 bool "Kernel support for Linux/MIPS 32-bit binary compatibility"
>> 2126 depends on 64BIT
>> 2127 help
>> 2128 Select this option if you want Linux/MIPS 32-bit binary
>> 2129 compatibility. Since all software available for Linux/MIPS is
>> 2130 currently 32-bit you should say Y here.
3072 2131
3073 config COMPAT 2132 config COMPAT
3074 bool 2133 bool
>> 2134 depends on MIPS32_COMPAT
>> 2135 default y
>> 2136
>> 2137 config SYSVIPC_COMPAT
>> 2138 bool
>> 2139 depends on COMPAT && SYSVIPC
>> 2140 default y
3075 2141
3076 config MIPS32_O32 2142 config MIPS32_O32
3077 bool "Kernel support for o32 binaries 2143 bool "Kernel support for o32 binaries"
3078 depends on 64BIT !! 2144 depends on MIPS32_COMPAT
3079 select ARCH_WANT_OLD_COMPAT_IPC <<
3080 select COMPAT <<
3081 select MIPS32_COMPAT <<
3082 help 2145 help
3083 Select this option if you want to r 2146 Select this option if you want to run o32 binaries. These are pure
3084 32-bit binaries as used by the 32-b 2147 32-bit binaries as used by the 32-bit Linux/MIPS port. Most of
3085 existing binaries are in this forma 2148 existing binaries are in this format.
3086 2149
3087 If unsure, say Y. 2150 If unsure, say Y.
3088 2151
3089 config MIPS32_N32 2152 config MIPS32_N32
3090 bool "Kernel support for n32 binaries 2153 bool "Kernel support for n32 binaries"
3091 depends on 64BIT !! 2154 depends on MIPS32_COMPAT
3092 select ARCH_WANT_COMPAT_IPC_PARSE_VER <<
3093 select COMPAT <<
3094 select MIPS32_COMPAT <<
3095 help 2155 help
3096 Select this option if you want to r 2156 Select this option if you want to run n32 binaries. These are
3097 64-bit binaries using 32-bit quanti 2157 64-bit binaries using 32-bit quantities for addressing and certain
3098 data that would normally be 64-bit. 2158 data that would normally be 64-bit. They are used in special
3099 cases. 2159 cases.
3100 2160
3101 If unsure, say N. 2161 If unsure, say N.
3102 2162
3103 config CC_HAS_MNO_BRANCH_LIKELY !! 2163 config BINFMT_ELF32
3104 def_bool y !! 2164 bool
3105 depends on $(cc-option,-mno-branch-li !! 2165 default y if MIPS32_O32 || MIPS32_N32
3106 2166
3107 # https://github.com/llvm/llvm-project/issues !! 2167 endmenu
3108 config CC_HAS_BROKEN_INLINE_COMPAT_BRANCH <<
3109 def_bool y if CC_IS_CLANG <<
3110 2168
3111 menu "Power management options" 2169 menu "Power management options"
3112 2170
3113 config ARCH_HIBERNATION_POSSIBLE 2171 config ARCH_HIBERNATION_POSSIBLE
3114 def_bool y 2172 def_bool y
3115 depends on SYS_SUPPORTS_HOTPLUG_CPU | 2173 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3116 2174
3117 config ARCH_SUSPEND_POSSIBLE 2175 config ARCH_SUSPEND_POSSIBLE
3118 def_bool y 2176 def_bool y
3119 depends on SYS_SUPPORTS_HOTPLUG_CPU | 2177 depends on SYS_SUPPORTS_HOTPLUG_CPU || !SMP
3120 2178
3121 source "kernel/power/Kconfig" 2179 source "kernel/power/Kconfig"
3122 2180
3123 endmenu 2181 endmenu
3124 2182
3125 config MIPS_EXTERNAL_TIMER !! 2183 source "net/Kconfig"
3126 bool <<
3127 2184
3128 menu "CPU Power Management" !! 2185 source "drivers/Kconfig"
3129 2186
3130 if CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL_TIME !! 2187 source "fs/Kconfig"
3131 source "drivers/cpufreq/Kconfig" <<
3132 endif # CPU_SUPPORTS_CPUFREQ && MIPS_EXTERNAL <<
3133 2188
3134 source "drivers/cpuidle/Kconfig" !! 2189 source "arch/mips/Kconfig.debug"
3135 2190
3136 endmenu !! 2191 source "security/Kconfig"
3137 2192
3138 source "arch/mips/kvm/Kconfig" !! 2193 source "crypto/Kconfig"
3139 2194
3140 source "arch/mips/vdso/Kconfig" !! 2195 source "lib/Kconfig"
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