1 # SPDX-License-Identifier: GPL-2.0 !! 1 #
2 config XTENSA !! 2 # For a description of the syntax of this configuration file,
3 def_bool y !! 3 # see Documentation/kbuild/kconfig-language.txt.
4 select ARCH_32BIT_OFF_T !! 4 #
5 select ARCH_HAS_CPU_CACHE_ALIASING !! 5 config ALPHA
6 select ARCH_HAS_BINFMT_FLAT if !MMU !! 6 bool
7 select ARCH_HAS_CURRENT_STACK_POINTER !! 7 default y
8 select ARCH_HAS_DEBUG_VM_PGTABLE !! 8 select HAVE_AOUT
9 select ARCH_HAS_DMA_PREP_COHERENT if M !! 9 select HAVE_IDE
10 select ARCH_HAS_GCOV_PROFILE_ALL !! 10 select HAVE_OPROFILE
11 select ARCH_HAS_KCOV !! 11 select HAVE_SYSCALL_WRAPPERS
12 select ARCH_HAS_SYNC_DMA_FOR_CPU if MM !! 12 help
13 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if !! 13 The Alpha is a 64-bit general-purpose processor designed and
14 select ARCH_HAS_DMA_SET_UNCACHED if MM !! 14 marketed by the Digital Equipment Corporation of blessed memory,
15 select ARCH_HAS_STRNCPY_FROM_USER if ! !! 15 now Hewlett-Packard. The Alpha Linux project has a home page at
16 select ARCH_HAS_STRNLEN_USER !! 16 <http://www.alphalinux.org/>.
17 select ARCH_NEED_CMPXCHG_1_EMU <<
18 select ARCH_USE_MEMTEST <<
19 select ARCH_USE_QUEUED_RWLOCKS <<
20 select ARCH_USE_QUEUED_SPINLOCKS <<
21 select ARCH_WANT_IPC_PARSE_VERSION <<
22 select BUILDTIME_TABLE_SORT <<
23 select CLONE_BACKWARDS <<
24 select COMMON_CLK <<
25 select DMA_NONCOHERENT_MMAP if MMU <<
26 select GENERIC_ATOMIC64 <<
27 select GENERIC_IRQ_SHOW <<
28 select GENERIC_LIB_CMPDI2 <<
29 select GENERIC_LIB_MULDI3 <<
30 select GENERIC_LIB_UCMPDI2 <<
31 select GENERIC_PCI_IOMAP <<
32 select GENERIC_SCHED_CLOCK <<
33 select GENERIC_IOREMAP if MMU <<
34 select HAVE_ARCH_AUDITSYSCALL <<
35 select HAVE_ARCH_JUMP_LABEL if !XIP_KE <<
36 select HAVE_ARCH_KASAN if MMU && !XIP_ <<
37 select HAVE_ARCH_KCSAN <<
38 select HAVE_ARCH_SECCOMP_FILTER <<
39 select HAVE_ARCH_TRACEHOOK <<
40 select HAVE_ASM_MODVERSIONS <<
41 select HAVE_CONTEXT_TRACKING_USER <<
42 select HAVE_DEBUG_KMEMLEAK <<
43 select HAVE_DMA_CONTIGUOUS <<
44 select HAVE_EXIT_THREAD <<
45 select HAVE_FUNCTION_TRACER <<
46 select HAVE_GCC_PLUGINS if GCC_VERSION <<
47 select HAVE_HW_BREAKPOINT if PERF_EVEN <<
48 select HAVE_IRQ_TIME_ACCOUNTING <<
49 select HAVE_PAGE_SIZE_4KB <<
50 select HAVE_PCI <<
51 select HAVE_PERF_EVENTS <<
52 select HAVE_STACKPROTECTOR <<
53 select HAVE_SYSCALL_TRACEPOINTS <<
54 select HAVE_VIRT_CPU_ACCOUNTING_GEN <<
55 select IRQ_DOMAIN <<
56 select LOCK_MM_AND_FIND_VMA <<
57 select MODULES_USE_ELF_RELA <<
58 select PERF_USE_VMALLOC <<
59 select TRACE_IRQFLAGS_SUPPORT <<
60 help <<
61 Xtensa processors are 32-bit RISC ma <<
62 primarily for embedded systems. The <<
63 configurable and extensible. The Li <<
64 architecture supports all processor <<
65 with reasonable minimum requirements <<
66 a home page at <http://www.linux-xte <<
67 17
68 config GENERIC_HWEIGHT !! 18 config 64BIT
69 def_bool y 19 def_bool y
70 20
>> 21 config MMU
>> 22 bool
>> 23 default y
>> 24
>> 25 config RWSEM_GENERIC_SPINLOCK
>> 26 bool
>> 27
>> 28 config RWSEM_XCHGADD_ALGORITHM
>> 29 bool
>> 30 default y
>> 31
71 config ARCH_HAS_ILOG2_U32 32 config ARCH_HAS_ILOG2_U32
72 def_bool n !! 33 bool
>> 34 default n
73 35
74 config ARCH_HAS_ILOG2_U64 36 config ARCH_HAS_ILOG2_U64
75 def_bool n !! 37 bool
>> 38 default n
76 39
77 config ARCH_MTD_XIP !! 40 config GENERIC_FIND_NEXT_BIT
78 def_bool y !! 41 bool
>> 42 default y
79 43
80 config NO_IOPORT_MAP !! 44 config GENERIC_CALIBRATE_DELAY
81 def_bool n !! 45 bool
>> 46 default y
82 47
83 config HZ !! 48 config GENERIC_TIME
84 int !! 49 bool
85 default 100 !! 50 default y
86 51
87 config LOCKDEP_SUPPORT !! 52 config ARCH_USES_GETTIMEOFFSET
88 def_bool y !! 53 bool
>> 54 default y
89 55
90 config STACKTRACE_SUPPORT !! 56 config ZONE_DMA
91 def_bool y !! 57 bool
>> 58 default y
92 59
93 config MMU !! 60 config GENERIC_ISA_DMA
94 def_bool n !! 61 bool
95 select PFAULT !! 62 default y
96 63
97 config HAVE_XTENSA_GPIO32 !! 64 config GENERIC_IOMAP
98 def_bool n !! 65 bool
>> 66 default n
99 67
100 config KASAN_SHADOW_OFFSET !! 68 config GENERIC_HARDIRQS
101 hex !! 69 bool
102 default 0x6e400000 !! 70 default y
103 71
104 config CPU_BIG_ENDIAN !! 72 config GENERIC_IRQ_PROBE
105 def_bool $(success,test "$(shell,echo !! 73 bool
>> 74 default y
106 75
107 config CPU_LITTLE_ENDIAN !! 76 config AUTO_IRQ_AFFINITY
108 def_bool !CPU_BIG_ENDIAN !! 77 bool
>> 78 depends on SMP
>> 79 default y
109 80
110 config CC_HAVE_CALL0_ABI !! 81 source "init/Kconfig"
111 def_bool $(success,test "$(shell,echo !! 82 source "kernel/Kconfig.freezer"
112 83
113 menu "Processor type and features" !! 84
>> 85 menu "System setup"
114 86
115 choice 87 choice
116 prompt "Xtensa Processor Configuration !! 88 prompt "Alpha system type"
117 default XTENSA_VARIANT_FSF !! 89 default ALPHA_GENERIC
>> 90 ---help---
>> 91 This is the system type of your hardware. A "generic" kernel will
>> 92 run on any supported Alpha system. However, if you configure a
>> 93 kernel for your specific system, it will be faster and smaller.
>> 94
>> 95 To find out what type of Alpha system you have, you may want to
>> 96 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 97 <http://www.alphalinux.org/>. In summary:
118 98
119 config XTENSA_VARIANT_FSF !! 99 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
120 bool "fsf - default (not generic) conf !! 100 Alpha-XL XL-233, XL-266
121 select MMU !! 101 AlphaBook1 Alpha laptop
>> 102 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 103 Cabriolet AlphaPC64, AlphaPCI64
>> 104 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 105 EB164 EB164 21164 evaluation board
>> 106 EB64+ EB64+ 21064 evaluation board
>> 107 EB66 EB66 21066 evaluation board
>> 108 EB66+ EB66+ 21066 evaluation board
>> 109 Jensen DECpc 150, DEC 2000 models 300, 500
>> 110 LX164 AlphaPC164-LX
>> 111 Lynx AS 2100A
>> 112 Miata Personal Workstation 433/500/600 a/au
>> 113 Marvel AlphaServer ES47 / ES80 / GS1280
>> 114 Mikasa AS 1000
>> 115 Noname AXPpci33, UDB (Multia)
>> 116 Noritake AS 1000A, AS 600A, AS 800
>> 117 PC164 AlphaPC164
>> 118 Rawhide AS 1200, AS 4000, AS 4100
>> 119 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 120 SX164 AlphaPC164-SX
>> 121 Sable AS 2000, AS 2100
>> 122 Shark DS 20L
>> 123 Takara Takara (OEM)
>> 124 Titan AlphaServer ES45 / DS25 / DS15
>> 125 Wildfire AlphaServer GS 40/80/160/320
122 126
123 config XTENSA_VARIANT_DC232B !! 127 If you don't know what to do, choose "generic".
124 bool "dc232b - Diamond 232L Standard C !! 128
125 select MMU !! 129 config ALPHA_GENERIC
126 select HAVE_XTENSA_GPIO32 !! 130 bool "Generic"
127 help 131 help
128 This variant refers to Tensilica's D !! 132 A generic kernel will run on all supported Alpha hardware.
129 133
130 config XTENSA_VARIANT_DC233C !! 134 config ALPHA_ALCOR
131 bool "dc233c - Diamond 233L Standard C !! 135 bool "Alcor/Alpha-XLT"
132 select MMU <<
133 select HAVE_XTENSA_GPIO32 <<
134 help 136 help
135 This variant refers to Tensilica's D !! 137 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 138 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 139 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 140 controller (256-bit memory bus) and a PCI interface. It also does
>> 141 all the work required to support an external Bcache and to maintain
>> 142 memory coherence when a PCI device DMAs into (or out of) memory.
136 143
137 config XTENSA_VARIANT_CUSTOM !! 144 config ALPHA_XL
138 bool "Custom Xtensa processor configur !! 145 bool "Alpha-XL"
139 select HAVE_XTENSA_GPIO32 <<
140 help 146 help
141 Select this variant to use a custom !! 147 XL-233 and XL-266-based Alpha systems.
142 You will be prompted for a processor <<
143 endchoice <<
144 148
145 config XTENSA_VARIANT_CUSTOM_NAME !! 149 config ALPHA_BOOK1
146 string "Xtensa Processor Custom Core V !! 150 bool "AlphaBook1"
147 depends on XTENSA_VARIANT_CUSTOM <<
148 help <<
149 Provide the name of a custom Xtensa <<
150 This CORENAME selects arch/xtensa/va <<
151 Don't forget you have to select MMU <<
152 <<
153 config XTENSA_VARIANT_NAME <<
154 string <<
155 default "dc232b" <<
156 default "dc233c" <<
157 default "fsf" <<
158 default XTENSA_VARIANT_CUSTOM_NAME <<
159 <<
160 config XTENSA_VARIANT_MMU <<
161 bool "Core variant has a Full MMU (TLB <<
162 depends on XTENSA_VARIANT_CUSTOM <<
163 default y <<
164 select MMU <<
165 help <<
166 Build a Conventional Kernel with ful <<
167 ie: it supports a TLB with auto-load <<
168 <<
169 config XTENSA_VARIANT_HAVE_PERF_EVENTS <<
170 bool "Core variant has Performance Mon <<
171 depends on XTENSA_VARIANT_CUSTOM <<
172 default n <<
173 help 151 help
174 Enable if core variant has Performan !! 152 Dec AlphaBook1/Burns Alpha-based laptops.
175 External Registers Interface. <<
176 153
177 If unsure, say N. !! 154 config ALPHA_AVANTI_CH
>> 155 bool "Avanti"
178 156
179 config XTENSA_FAKE_NMI !! 157 config ALPHA_CABRIOLET
180 bool "Treat PMM IRQ as NMI" !! 158 bool "Cabriolet"
181 depends on XTENSA_VARIANT_HAVE_PERF_EV <<
182 default n <<
183 help 159 help
184 If PMM IRQ is the only IRQ at EXCM l !! 160 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
185 treat it as NMI, which improves accu !! 161 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
186 !! 162 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
187 If there are other interrupts at or !! 163 Bcache SIMMs. Requires power supply with 3.3V output.
188 but not above the EXCM level, PMM IR <<
189 but only if these IRQs are not used. <<
190 saying that this is not safe, and a <<
191 actually fire. <<
192 164
193 If unsure, say N. !! 165 config ALPHA_DP264
>> 166 bool "DP264"
>> 167 help
>> 168 Various 21264 systems with the tsunami core logic chipset.
>> 169 API Networks: 264DP, UP2000(+), CS20;
>> 170 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
194 171
195 config PFAULT !! 172 config ALPHA_EB164
196 bool "Handle protection faults" if EXP !! 173 bool "EB164"
197 default y <<
198 help 174 help
199 Handle protection faults. MMU config !! 175 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
200 noMMU configurations may disable it !! 176 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
201 generates protection faults or fault !! 177 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 178 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 179 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 180 motherboard. Requires power supply with 3.3V output.
202 181
203 If unsure, say Y. !! 182 config ALPHA_EB64P_CH
>> 183 bool "EB64+"
204 184
205 config XTENSA_UNALIGNED_USER !! 185 config ALPHA_EB66
206 bool "Unaligned memory access in user !! 186 bool "EB66"
207 help 187 help
208 The Xtensa architecture currently do !! 188 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
209 memory accesses in hardware but thro !! 189 identical to EB64+. Baby PC-AT size. Runs from standard PC power
210 Per default, unaligned memory access !! 190 supply. The EB66 schematic was published as a marketing poster
>> 191 advertising the 21066 as "the first microprocessor in the world with
>> 192 embedded PCI".
211 193
212 Say Y here to enable unaligned memor !! 194 config ALPHA_EB66P
>> 195 bool "EB66+"
>> 196 help
>> 197 Later variant of the EB66 board.
>> 198
>> 199 config ALPHA_EIGER
>> 200 bool "Eiger"
>> 201 help
>> 202 Apparently an obscure OEM single-board computer based on the
>> 203 Typhoon/Tsunami chipset family. Information on it is scanty.
213 204
214 config XTENSA_LOAD_STORE !! 205 config ALPHA_JENSEN
215 bool "Load/store exception handler for !! 206 bool "Jensen"
216 help 207 help
217 The Xtensa architecture only allows !! 208 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
218 instruction bus with l32r and l32i i !! 209 of the first-generation Alpha systems. A number of these systems
219 instructions raise an exception with !! 210 seem to be available on the second- hand market. The Jensen is a
220 This makes it hard to use some confi !! 211 floor-standing tower system which originally used a 150MHz 21064 It
221 literals in FLASH memory attached to !! 212 used programmable logic to interface a 486 EISA I/O bridge to the
>> 213 CPU.
222 214
223 Say Y here to enable exception handl !! 215 config ALPHA_LX164
224 byte and 2-byte access to memory att !! 216 bool "LX164"
>> 217 help
>> 218 A technical overview of this board is available at
>> 219 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
225 220
226 config HAVE_SMP !! 221 config ALPHA_LYNX
227 bool "System Supports SMP (MX)" !! 222 bool "Lynx"
228 depends on XTENSA_VARIANT_CUSTOM <<
229 select XTENSA_MX <<
230 help 223 help
231 This option is used to indicate that !! 224 AlphaServer 2100A-based systems.
232 supports Multiprocessing. Multiproce <<
233 the CPU core definition and currentl <<
234 225
235 Multiprocessor support is implemente !! 226 config ALPHA_MARVEL
236 interrupt controllers. !! 227 bool "Marvel"
>> 228 help
>> 229 AlphaServer ES47 / ES80 / GS1280 based on EV7.
237 230
238 The MX interrupt distributer adds In !! 231 config ALPHA_MIATA
239 and causes the IRQ numbers to be inc !! 232 bool "Miata"
240 like the open cores ethernet driver !! 233 help
>> 234 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 235 or 600au).
241 236
242 You still have to select "Enable SMP !! 237 config ALPHA_MIKASA
>> 238 bool "Mikasa"
>> 239 help
>> 240 AlphaServer 1000-based Alpha systems.
243 241
244 config SMP !! 242 config ALPHA_NAUTILUS
245 bool "Enable Symmetric multi-processin !! 243 bool "Nautilus"
246 depends on HAVE_SMP <<
247 select GENERIC_SMP_IDLE_THREAD <<
248 help 244 help
249 Enabled SMP Software; allows more th !! 245 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
250 to be activated during startup. <<
251 246
252 config NR_CPUS !! 247 config ALPHA_NONAME_CH
253 depends on SMP !! 248 bool "Noname"
254 int "Maximum number of CPUs (2-32)" <<
255 range 2 32 <<
256 default "4" <<
257 249
258 config HOTPLUG_CPU !! 250 config ALPHA_NORITAKE
259 bool "Enable CPU hotplug support" !! 251 bool "Noritake"
260 depends on SMP <<
261 help 252 help
262 Say Y here to allow turning CPUs off !! 253 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
263 controlled through /sys/devices/syst !! 254 systems.
264 255
265 Say N if you want to disable CPU hot !! 256 config ALPHA_PC164
>> 257 bool "PC164"
266 258
267 config SECONDARY_RESET_VECTOR !! 259 config ALPHA_P2K
268 bool "Secondary cores use alternative !! 260 bool "Platform2000"
269 default y !! 261
270 depends on HAVE_SMP !! 262 config ALPHA_RAWHIDE
>> 263 bool "Rawhide"
271 help 264 help
272 Secondary cores may be configured to !! 265 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
273 or all cores may use primary reset v !! 266 See HOWTO at
274 Say Y here to supply handler for the !! 267 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
275 268
276 config FAST_SYSCALL_XTENSA !! 269 config ALPHA_RUFFIAN
277 bool "Enable fast atomic syscalls" !! 270 bool "Ruffian"
278 default n <<
279 help 271 help
280 fast_syscall_xtensa is a syscall tha !! 272 Samsung APC164UX. There is a page on known problems and workarounds
281 on UP kernel when processor has no s !! 273 at <http://www.alphalinux.org/faq/FAQ-11.html>.
282 274
283 This syscall is deprecated. It may h !! 275 config ALPHA_RX164
284 invalid arguments. It is provided on !! 276 bool "RX164"
285 Only enable it if your userspace sof <<
286 277
287 If unsure, say N. !! 278 config ALPHA_SX164
>> 279 bool "SX164"
288 280
289 config FAST_SYSCALL_SPILL_REGISTERS !! 281 config ALPHA_SABLE
290 bool "Enable spill registers syscall" !! 282 bool "Sable"
291 default n <<
292 help 283 help
293 fast_syscall_spill_registers is a sy !! 284 Digital AlphaServer 2000 and 2100-based systems.
294 register windows of a calling usersp <<
295 285
296 This syscall is deprecated. It may h !! 286 config ALPHA_SHARK
297 invalid arguments. It is provided on !! 287 bool "Shark"
298 Only enable it if your userspace sof <<
299 288
300 If unsure, say N. !! 289 config ALPHA_TAKARA
>> 290 bool "Takara"
>> 291 help
>> 292 Alpha 11164-based OEM single-board computer.
301 293
302 choice !! 294 config ALPHA_TITAN
303 prompt "Kernel ABI" !! 295 bool "Titan"
304 default KERNEL_ABI_DEFAULT <<
305 help 296 help
306 Select ABI for the kernel code. This !! 297 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
307 supported userspace ABI and any comb !! 298
308 kernel/userspace ABI is possible and !! 299 config ALPHA_WILDFIRE
309 !! 300 bool "Wildfire"
310 In case both kernel and userspace su !! 301 help
311 all register windows support code wi !! 302 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
312 build. <<
313 <<
314 If unsure, choose the default ABI. <<
315 <<
316 config KERNEL_ABI_DEFAULT <<
317 bool "Default ABI" <<
318 help <<
319 Select this option to compile kernel <<
320 selected for the toolchain. <<
321 Normally cores with windowed registe <<
322 cores without it use call0 ABI. <<
323 <<
324 config KERNEL_ABI_CALL0 <<
325 bool "Call0 ABI" if CC_HAVE_CALL0_ABI <<
326 help <<
327 Select this option to compile kernel <<
328 toolchain that defaults to windowed <<
329 When this option is not selected the <<
330 be used for the kernel code. <<
331 303
332 endchoice 304 endchoice
333 305
334 config USER_ABI_CALL0 !! 306 # clear all implied options (don't want default values for those):
>> 307 # Most of these machines have ISA slots; not exactly sure which don't,
>> 308 # and this doesn't activate hordes of code, so do it always.
>> 309 config ISA
335 bool 310 bool
336 !! 311 default y
337 choice <<
338 prompt "Userspace ABI" <<
339 default USER_ABI_DEFAULT <<
340 help 312 help
341 Select supported userspace ABI. !! 313 Find out whether you have ISA slots on your motherboard. ISA is the
>> 314 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 315 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 316 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 317 newer boards don't support it. If you have ISA, say Y, otherwise N.
342 318
343 If unsure, choose the default ABI. !! 319 config ISA_DMA_API
>> 320 bool
>> 321 default y
344 322
345 config USER_ABI_DEFAULT !! 323 config PCI
346 bool "Default ABI only" !! 324 bool
>> 325 depends on !ALPHA_JENSEN
>> 326 default y
347 help 327 help
348 Assume default userspace ABI. For XE !! 328 Find out whether you have a PCI motherboard. PCI is the name of a
349 call0 ABI binaries may be run on suc !! 329 bus system, i.e. the way the CPU talks to the other stuff inside
350 will not work correctly for them. !! 330 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 331 VESA. If you have PCI, say Y, otherwise N.
351 332
352 config USER_ABI_CALL0_ONLY !! 333 config PCI_DOMAINS
353 bool "Call0 ABI only" !! 334 bool
354 select USER_ABI_CALL0 !! 335 default y
355 help <<
356 Select this option to support only c <<
357 Windowed ABI binaries will crash wit <<
358 an illegal instruction exception on <<
359 336
360 Choose this option if you're plannin !! 337 config PCI_SYSCALL
361 built with call0 ABI. !! 338 def_bool PCI
362 339
363 config USER_ABI_CALL0_PROBE !! 340 config IOMMU_HELPER
364 bool "Support both windowed and call0 !! 341 def_bool PCI
365 select USER_ABI_CALL0 <<
366 help <<
367 Select this option to support both w <<
368 ABIs. When enabled all processes are <<
369 and a fast user exception handler fo <<
370 used to turn on PS.WOE bit on the fi <<
371 the userspace. <<
372 342
373 This option should be enabled for th !! 343 config ALPHA_NONAME
374 both call0 and windowed ABIs in user !! 344 bool
>> 345 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 346 default y
>> 347 help
>> 348 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 349 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 350 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 351 is a baby-AT size, and runs from a standard PC power supply. It has
>> 352 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 353 2 versions, with either PS/2 or large DIN connectors for the
>> 354 keyboard.
375 355
376 Note that Xtensa ISA does not guaran !! 356 config ALPHA_EV4
377 raise an illegal instruction excepti !! 357 bool
378 PS.WOE is disabled, check whether th !! 358 depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 359 default y if !ALPHA_LYNX
379 360
380 endchoice !! 361 config ALPHA_LCA
>> 362 bool
>> 363 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 364 default y
381 365
382 endmenu !! 366 config ALPHA_APECS
>> 367 bool
>> 368 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 369 default y
383 370
384 config XTENSA_CALIBRATE_CCOUNT !! 371 config ALPHA_EB64P
385 def_bool n !! 372 bool
>> 373 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 374 default y
386 help 375 help
387 On some platforms (XT2000, for examp !! 376 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
388 vary. The frequency can be determin !! 377 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
389 against a well known, fixed frequenc !! 378 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 379 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 380 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 381 Runs from standard PC power supply.
>> 382
>> 383 config ALPHA_EV5
>> 384 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 385 default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
390 386
391 config SERIAL_CONSOLE !! 387 config ALPHA_EV4
392 def_bool n !! 388 bool
>> 389 default y if ALPHA_LYNX && !ALPHA_EV5
393 390
394 config PLATFORM_HAVE_XIP !! 391 config ALPHA_CIA
395 def_bool n !! 392 bool
>> 393 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR
>> 394 default y
396 395
397 menu "Platform options" !! 396 config ALPHA_EV56
>> 397 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 398 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
398 399
399 choice !! 400 config ALPHA_EV56
400 prompt "Xtensa System Type" !! 401 prompt "EV56 CPU (speed >= 333MHz)?"
401 default XTENSA_PLATFORM_ISS !! 402 depends on ALPHA_NORITAKE || ALPHA_PRIMO
402 403
403 config XTENSA_PLATFORM_ISS !! 404 config ALPHA_EV56
404 bool "ISS" !! 405 prompt "EV56 CPU (speed >= 400MHz)?"
405 select XTENSA_CALIBRATE_CCOUNT !! 406 depends on ALPHA_RAWHIDE
406 select SERIAL_CONSOLE !! 407
407 help !! 408 config ALPHA_PRIMO
408 ISS is an acronym for Tensilica's In !! 409 bool "EV5 CPU daughtercard (model 5/xxx)?"
409 !! 410 depends on ALPHA_NORITAKE || ALPHA_MIKASA
410 config XTENSA_PLATFORM_XT2000 <<
411 bool "XT2000" <<
412 help <<
413 XT2000 is the name of Tensilica's fe <<
414 This hardware is capable of running <<
415 <<
416 config XTENSA_PLATFORM_XTFPGA <<
417 bool "XTFPGA" <<
418 select ETHOC if ETHERNET <<
419 select PLATFORM_WANT_DEFAULT_MEM if !M <<
420 select SERIAL_CONSOLE <<
421 select XTENSA_CALIBRATE_CCOUNT <<
422 select PLATFORM_HAVE_XIP <<
423 help 411 help
424 XTFPGA is the name of Tensilica boar !! 412 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
425 This hardware is capable of running <<
426 413
427 endchoice !! 414 config ALPHA_GAMMA
>> 415 bool "EV5 CPU(s) (model 5/xxx)?"
>> 416 depends on ALPHA_SABLE
>> 417 help
>> 418 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
428 419
429 config PLATFORM_NR_IRQS !! 420 config ALPHA_GAMMA
430 int !! 421 bool
431 default 3 if XTENSA_PLATFORM_XT2000 !! 422 depends on ALPHA_LYNX
432 default 0 !! 423 default y
433 424
434 config XTENSA_CPU_CLOCK !! 425 config ALPHA_T2
435 int "CPU clock rate [MHz]" !! 426 bool
436 depends on !XTENSA_CALIBRATE_CCOUNT !! 427 depends on ALPHA_SABLE || ALPHA_LYNX
437 default 16 !! 428 default y
438 429
439 config GENERIC_CALIBRATE_DELAY !! 430 config ALPHA_PYXIS
440 bool "Auto calibration of the BogoMIPS !! 431 bool
441 help !! 432 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
442 The BogoMIPS value can easily be der !! 433 default y
443 434
444 config CMDLINE_BOOL !! 435 config ALPHA_EV6
445 bool "Default bootloader kernel argume !! 436 bool
>> 437 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 438 default y
446 439
447 config CMDLINE !! 440 config ALPHA_TSUNAMI
448 string "Initial kernel command string" !! 441 bool
449 depends on CMDLINE_BOOL !! 442 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
450 default "console=ttyS0,38400 root=/dev !! 443 default y
451 help <<
452 On some architectures (EBSA110 and C <<
453 for the boot loader to pass argument <<
454 architectures, you should supply som <<
455 time by entering them here. As a min <<
456 memory size and the root device (e.g <<
457 444
458 config USE_OF !! 445 config ALPHA_EV67
459 bool "Flattened Device Tree support" !! 446 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
460 select OF !! 447 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
461 select OF_EARLY_FLATTREE <<
462 help 448 help
463 Include support for flattened device !! 449 Is this a machine based on the EV67 core? If in doubt, select N here
>> 450 and the machine will be treated as an EV6.
464 451
465 config BUILTIN_DTB_SOURCE !! 452 config ALPHA_EV7
466 string "DTB to build into the kernel i !! 453 bool
467 depends on OF !! 454 depends on ALPHA_MARVEL
>> 455 default y
468 456
469 config PARSE_BOOTPARAM !! 457 config ALPHA_MCPCIA
470 bool "Parse bootparam block" !! 458 bool
>> 459 depends on ALPHA_RAWHIDE
471 default y 460 default y
472 help <<
473 Parse parameters passed to the kerne <<
474 be disabled if the kernel is known t <<
475 461
476 If unsure, say Y. !! 462 config ALPHA_POLARIS
>> 463 bool
>> 464 depends on ALPHA_RX164
>> 465 default y
477 466
478 choice !! 467 config ALPHA_IRONGATE
479 prompt "Semihosting interface" !! 468 bool
480 default XTENSA_SIMCALL_ISS !! 469 depends on ALPHA_NAUTILUS
481 depends on XTENSA_PLATFORM_ISS !! 470 default y
482 help <<
483 Choose semihosting interface that wi <<
484 block device and networking. <<
485 471
486 config XTENSA_SIMCALL_ISS !! 472 config GENERIC_HWEIGHT
487 bool "simcall" !! 473 bool
488 help !! 474 default y if !ALPHA_EV67
489 Use simcall instruction. simcall is <<
490 it does nothing on hardware. <<
491 475
492 config XTENSA_SIMCALL_GDBIO !! 476 config ALPHA_AVANTI
493 bool "GDBIO" !! 477 bool
>> 478 depends on ALPHA_XL || ALPHA_AVANTI_CH
>> 479 default y
494 help 480 help
495 Use break instruction. It is availab !! 481 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
496 is attached to it via JTAG. !! 482 Alphas. Info at
>> 483 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
497 484
498 endchoice !! 485 config ALPHA_BROKEN_IRQ_MASK
>> 486 bool
>> 487 depends on ALPHA_GENERIC || ALPHA_PC164
>> 488 default y
499 489
500 config BLK_DEV_SIMDISK !! 490 config VGA_HOSE
501 tristate "Host file-based simulated bl !! 491 bool
502 default n !! 492 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI
503 depends on XTENSA_PLATFORM_ISS && BLOC !! 493 default y
504 help <<
505 Create block devices that map to fil <<
506 Device binding to host file may be c <<
507 interface provided the device is not <<
508 <<
509 config BLK_DEV_SIMDISK_COUNT <<
510 int "Number of host file-based simulat <<
511 range 1 10 <<
512 depends on BLK_DEV_SIMDISK <<
513 default 2 <<
514 help <<
515 This is the default minimal number o <<
516 Kernel/module parameter 'simdisk_cou <<
517 value at runtime. More file names (b <<
518 specified as parameters, simdisk_cou <<
519 <<
520 config SIMDISK0_FILENAME <<
521 string "Host filename for the first si <<
522 depends on BLK_DEV_SIMDISK = y <<
523 default "" <<
524 help <<
525 Attach a first simdisk to a host fil <<
526 contains a root file system. <<
527 <<
528 config SIMDISK1_FILENAME <<
529 string "Host filename for the second s <<
530 depends on BLK_DEV_SIMDISK = y && BLK_ <<
531 default "" <<
532 help <<
533 Another simulated disk in a host fil <<
534 storage. <<
535 <<
536 config XTFPGA_LCD <<
537 bool "Enable XTFPGA LCD driver" <<
538 depends on XTENSA_PLATFORM_XTFPGA <<
539 default n <<
540 help 494 help
541 There's a 2x16 LCD on most of XTFPGA !! 495 Support VGA on an arbitrary hose; needed for several platforms
542 progress messages there during bootu !! 496 which always have multiple hoses, and whose consoles support it.
543 during board bringup. <<
544 497
545 If unsure, say N. <<
546 498
547 config XTFPGA_LCD_BASE_ADDR !! 499 config ALPHA_SRM
548 hex "XTFPGA LCD base address" !! 500 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME
549 depends on XTFPGA_LCD !! 501 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
550 default "0x0d0c0000" !! 502 ---help---
551 help !! 503 There are two different types of booting firmware on Alphas: SRM,
552 Base address of the LCD controller i !! 504 which is command line driven, and ARC, which uses menus and arrow
553 Different boards from XTFPGA family !! 505 keys. Details about the Linux/Alpha booting process are contained in
554 addresses. Please consult prototypin !! 506 the Linux/Alpha FAQ, accessible on the WWW from
555 the correct address. Wrong address h !! 507 <http://www.alphalinux.org/>.
556 !! 508
557 config XTFPGA_LCD_8BIT_ACCESS !! 509 The usual way to load Linux on an Alpha machine is to use MILO
558 bool "Use 8-bit access to XTFPGA LCD" !! 510 (a bootloader that lets you pass command line parameters to the
559 depends on XTFPGA_LCD !! 511 kernel just like lilo does for the x86 architecture) which can be
560 default n !! 512 loaded either from ARC or can be installed directly as a permanent
561 help !! 513 firmware replacement from floppy (which requires changing a certain
562 LCD may be connected with 4- or 8-bi !! 514 jumper on the motherboard). If you want to do either of these, say N
563 only be used with 8-bit interface. P !! 515 here. If MILO doesn't work on your system (true for Jensen
564 guide for your board for the correct !! 516 motherboards), you can bypass it altogether and boot Linux directly
565 !! 517 from an SRM console; say Y here in order to do that. Note that you
566 comment "Kernel memory layout" !! 518 won't be able to boot from an IDE disk using SRM.
567 <<
568 config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX <<
569 bool "Initialize Xtensa MMU inside the <<
570 depends on !XTENSA_VARIANT_FSF && !XTE <<
571 default y if XTENSA_VARIANT_DC233C || <<
572 help <<
573 Earlier version initialized the MMU <<
574 before jumping to _startup in head.S <<
575 it was possible to place a software <<
576 then enter your normal kernel breakp <<
577 to the kernel mappings (0XC0000000). <<
578 <<
579 This unfortunately won't work for U- <<
580 work for using KEXEC to have a hot k <<
581 KDUMP. <<
582 <<
583 So now the MMU is initialized in hea <<
584 use hardware breakpoints (gdb 'hbrea <<
585 xt-gdb can't place a Software Breakp <<
586 to mapping the MMU and after mapping <<
587 was mapped gdb wouldn't remove the b <<
588 PC wouldn't match. Since Hardware Br <<
589 Linux configurations it seems reason <<
590 and leave this older mechanism for u <<
591 not to follow Tensilica's recommenda <<
592 <<
593 Selecting this will cause U-Boot to <<
594 address at 0x00003000 instead of the <<
595 <<
596 If in doubt, say Y. <<
597 <<
598 config XIP_KERNEL <<
599 bool "Kernel Execute-In-Place from ROM <<
600 depends on PLATFORM_HAVE_XIP <<
601 help <<
602 Execute-In-Place allows the kernel t <<
603 directly addressable by the CPU, suc <<
604 space since the text section of the <<
605 to RAM. Read-write sections, such as <<
606 are still copied to RAM. The XIP ker <<
607 it has to run directly from flash, s <<
608 store it. The flash address used to <<
609 and for storing it, is configuration <<
610 say Y here, you must know the proper <<
611 store the kernel image depending on <<
612 <<
613 Also note that the make target becom <<
614 "make Image" or "make uImage". The f <<
615 ROM memory will be arch/xtensa/boot/ <<
616 519
617 If unsure, say N. 520 If unsure, say N.
618 521
619 config MEMMAP_CACHEATTR !! 522 config EISA
620 hex "Cache attributes for the memory a !! 523 bool
621 depends on !MMU !! 524 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
622 default 0x22222222 !! 525 default y
623 help <<
624 These cache attributes are set up fo <<
625 specifies cache attributes for the c <<
626 region: bits 0..3 -- for addresses 0 <<
627 bits 4..7 -- for addresses 0x2000000 <<
628 <<
629 Cache attribute values are specific <<
630 For region protection MMUs: <<
631 1: WT cached, <<
632 2: cache bypass, <<
633 4: WB cached, <<
634 f: illegal. <<
635 For full MMU: <<
636 bit 0: executable, <<
637 bit 1: writable, <<
638 bits 2..3: <<
639 0: cache bypass, <<
640 1: WB cache, <<
641 2: WT cache, <<
642 3: special (c and e are illegal, <<
643 For MPU: <<
644 0: illegal, <<
645 1: WB cache, <<
646 2: WB, no-write-allocate cache, <<
647 3: WT cache, <<
648 4: cache bypass. <<
649 <<
650 config KSEG_PADDR <<
651 hex "Physical address of the KSEG mapp <<
652 depends on INITIALIZE_XTENSA_MMU_INSID <<
653 default 0x00000000 <<
654 help <<
655 This is the physical address where K <<
656 the chosen KSEG layout help for the <<
657 Unpacked kernel image (including vec <<
658 within KSEG. <<
659 Physical memory below this address i <<
660 <<
661 If unsure, leave the default value h <<
662 <<
663 config KERNEL_VIRTUAL_ADDRESS <<
664 hex "Kernel virtual address" <<
665 depends on MMU && XIP_KERNEL <<
666 default 0xd0003000 <<
667 help <<
668 This is the virtual address where th <<
669 XIP kernel may be mapped into KSEG o <<
670 provided here must match kernel load <<
671 KERNEL_LOAD_ADDRESS. <<
672 <<
673 config KERNEL_LOAD_ADDRESS <<
674 hex "Kernel load address" <<
675 default 0x60003000 if !MMU <<
676 default 0x00003000 if MMU && INITIALIZ <<
677 default 0xd0003000 if MMU && !INITIALI <<
678 help <<
679 This is the address where the kernel <<
680 It is virtual address for MMUv2 conf <<
681 for all other configurations. <<
682 526
683 If unsure, leave the default value h !! 527 config ARCH_MAY_HAVE_PC_FDC
>> 528 def_bool y
684 529
685 choice !! 530 config SMP
686 prompt "Relocatable vectors location" !! 531 bool "Symmetric multi-processing support"
687 default XTENSA_VECTORS_IN_TEXT !! 532 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
>> 533 select USE_GENERIC_SMP_HELPERS
>> 534 ---help---
>> 535 This enables support for systems with more than one CPU. If you have
>> 536 a system with only one CPU, like most personal computers, say N. If
>> 537 you have a system with more than one CPU, say Y.
>> 538
>> 539 If you say N here, the kernel will run on single and multiprocessor
>> 540 machines, but will use only one CPU of a multiprocessor machine. If
>> 541 you say Y here, the kernel will run on many, but not all,
>> 542 singleprocessor machines. On a singleprocessor machine, the kernel
>> 543 will run faster if you say N here.
>> 544
>> 545 See also the SMP-HOWTO available at
>> 546 <http://www.tldp.org/docs.html#howto>.
>> 547
>> 548 If you don't know what to do here, say N.
>> 549
>> 550 config HAVE_DEC_LOCK
>> 551 bool
>> 552 depends on SMP
>> 553 default y
>> 554
>> 555 config NR_CPUS
>> 556 int "Maximum number of CPUs (2-32)"
>> 557 range 2 32
>> 558 depends on SMP
>> 559 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 560 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
688 help 561 help
689 Choose whether relocatable vectors a !! 562 MARVEL support can handle a maximum of 32 CPUs, all the others
690 or placed separately at runtime. Thi !! 563 with working support have a maximum of 4 CPUs.
691 configurations without VECBASE regis <<
692 placed at their hardware-defined loc <<
693 <<
694 config XTENSA_VECTORS_IN_TEXT <<
695 bool "Merge relocatable vectors into k <<
696 depends on !MTD_XIP <<
697 help <<
698 This option puts relocatable vectors <<
699 with proper alignment. <<
700 This is a safe choice for most confi <<
701 <<
702 config XTENSA_VECTORS_SEPARATE <<
703 bool "Put relocatable vectors at fixed <<
704 help <<
705 This option puts relocatable vectors <<
706 Vectors are merged with the .init da <<
707 are copied into their designated loc <<
708 Use it to put vectors into IRAM or o <<
709 XIP-aware MTD support. <<
710 564
711 endchoice !! 565 config ARCH_DISCONTIGMEM_ENABLE
>> 566 bool "Discontiguous Memory Support (EXPERIMENTAL)"
>> 567 depends on EXPERIMENTAL
>> 568 help
>> 569 Say Y to support efficient handling of discontiguous physical memory,
>> 570 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 571 or have huge holes in the physical address space for other reasons.
>> 572 See <file:Documentation/vm/numa> for more.
712 573
713 config VECTORS_ADDR !! 574 source "mm/Kconfig"
714 hex "Kernel vectors virtual address" !! 575
715 default 0x00000000 !! 576 config NUMA
716 depends on XTENSA_VECTORS_SEPARATE !! 577 bool "NUMA Support (EXPERIMENTAL)"
717 help !! 578 depends on DISCONTIGMEM && BROKEN
718 This is the virtual address of the ( <<
719 It must be within KSEG if MMU is use <<
720 <<
721 config XIP_DATA_ADDR <<
722 hex "XIP kernel data virtual address" <<
723 depends on XIP_KERNEL <<
724 default 0x00000000 <<
725 help <<
726 This is the virtual address where XI <<
727 It must be within KSEG if MMU is use <<
728 <<
729 config PLATFORM_WANT_DEFAULT_MEM <<
730 def_bool n <<
731 <<
732 config DEFAULT_MEM_START <<
733 hex <<
734 prompt "PAGE_OFFSET/PHYS_OFFSET" if !M <<
735 default 0x60000000 if PLATFORM_WANT_DE <<
736 default 0x00000000 <<
737 help 579 help
738 This is the base address used for bo !! 580 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
739 in noMMU configurations. !! 581 Access). This option is for configuring high-end multiprocessor
>> 582 server machines. If in doubt, say N.
740 583
741 If unsure, leave the default value h !! 584 config NODES_SHIFT
>> 585 int
>> 586 default "7"
>> 587 depends on NEED_MULTIPLE_NODES
742 588
743 choice !! 589 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
744 prompt "KSEG layout" !! 590 config ALPHA_LARGE_VMALLOC
745 depends on MMU !! 591 bool
746 default XTENSA_KSEG_MMU_V2 !! 592 ---help---
747 !! 593 Process creation and other aspects of virtual memory management can
748 config XTENSA_KSEG_MMU_V2 !! 594 be streamlined if we restrict the kernel to one PGD for all vmalloc
749 bool "MMUv2: 128MB cached + 128MB unca !! 595 allocations. This equates to about 8GB.
750 help !! 596
751 MMUv2 compatible kernel memory map: !! 597 Under normal circumstances, this is so far and above what is needed
752 at KSEG_PADDR to 0xd0000000 with cac !! 598 as to be laughable. However, there are certain applications (such
753 without cache. !! 599 as benchmark-grade in-kernel web serving) that can make use of as
754 KSEG_PADDR must be aligned to 128MB. !! 600 much vmalloc space as is available.
755 !! 601
756 config XTENSA_KSEG_256M !! 602 Say N unless you know you need gobs and gobs of vmalloc space.
757 bool "256MB cached + 256MB uncached" !! 603
758 depends on INITIALIZE_XTENSA_MMU_INSID !! 604 config VERBOSE_MCHECK
759 help !! 605 bool "Verbose Machine Checks"
760 TLB way 6 maps 256MB starting at KSE !! 606
761 with cache and to 0xc0000000 without !! 607 config VERBOSE_MCHECK_ON
762 KSEG_PADDR must be aligned to 256MB. !! 608 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
763 !! 609 depends on VERBOSE_MCHECK
764 config XTENSA_KSEG_512M !! 610 default 1
765 bool "512MB cached + 512MB uncached" !! 611 ---help---
766 depends on INITIALIZE_XTENSA_MMU_INSID !! 612 This option allows the default printing mode to be set, and then
767 help !! 613 possibly overridden by a boot command argument.
768 TLB way 6 maps 512MB starting at KSE !! 614
769 with cache and to 0xc0000000 without !! 615 For example, if one wanted the option of printing verbose
770 KSEG_PADDR must be aligned to 256MB. !! 616 machine checks, but wanted the default to be as if verbose
>> 617 machine check printing was turned off, then one would choose
>> 618 the printing mode to be 0. Then, upon reboot, one could add
>> 619 the boot command line "verbose_mcheck=1" to get the normal
>> 620 verbose machine check printing, or "verbose_mcheck=2" to get
>> 621 the maximum information available.
771 622
772 endchoice !! 623 Take the default (1) unless you want more control or more info.
773 624
774 config HIGHMEM !! 625 config HZ
775 bool "High Memory Support" !! 626 int
776 depends on MMU !! 627 default 1200 if ALPHA_RAWHIDE
777 select KMAP_LOCAL !! 628 default 1024
778 help <<
779 Linux can use the full amount of RAM <<
780 default. However, the default MMUv2 <<
781 lowermost 128 MB of memory linearly <<
782 at 0xd0000000 (cached) and 0xd800000 <<
783 When there are more than 128 MB memo <<
784 all of it can be "permanently mapped <<
785 The physical memory that's not perma <<
786 "high memory". <<
787 <<
788 If you are compiling a kernel which <<
789 machine with more than 128 MB total <<
790 N here. <<
791 <<
792 If unsure, say Y. <<
793 <<
794 config ARCH_FORCE_MAX_ORDER <<
795 int "Order of maximal physically conti <<
796 default "10" <<
797 help <<
798 The kernel page allocator limits the <<
799 contiguous allocations. The limit is <<
800 defines the maximal power of two of <<
801 allocated as a single contiguous blo <<
802 overriding the default setting when <<
803 large blocks of physically contiguou <<
804 629
805 Don't change if unsure. !! 630 source "drivers/pci/Kconfig"
>> 631 source "drivers/eisa/Kconfig"
806 632
807 endmenu !! 633 source "drivers/pcmcia/Kconfig"
808 634
809 menu "Power management options" !! 635 config SRM_ENV
>> 636 tristate "SRM environment through procfs"
>> 637 depends on PROC_FS
>> 638 ---help---
>> 639 If you enable this option, a subdirectory inside /proc called
>> 640 /proc/srm_environment will give you access to the all important
>> 641 SRM environment variables (those which have a name) and also
>> 642 to all others (by their internal number).
>> 643
>> 644 SRM is something like a BIOS for Alpha machines. There are some
>> 645 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 646 support (hey, that's not SRM!).
>> 647
>> 648 Despite the fact that this driver doesn't work on all Alphas (but
>> 649 only on those which have SRM as their firmware), it's save to
>> 650 build it even if your particular machine doesn't know about SRM
>> 651 (or if you intend to compile a generic kernel). It will simply
>> 652 not create those subdirectory in /proc (and give you some warning,
>> 653 of course).
810 654
811 config ARCH_HIBERNATION_POSSIBLE !! 655 This driver is also available as a module and will be called
812 def_bool y !! 656 srm_env then.
813 657
814 source "kernel/power/Kconfig" !! 658 source "fs/Kconfig.binfmt"
815 659
816 endmenu 660 endmenu
>> 661
>> 662 source "net/Kconfig"
>> 663
>> 664 source "drivers/Kconfig"
>> 665
>> 666 source "fs/Kconfig"
>> 667
>> 668 source "arch/alpha/Kconfig.debug"
>> 669
>> 670 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 671 # but we also need it if VGA_HOSE is set
>> 672 config DUMMY_CONSOLE
>> 673 bool
>> 674 depends on VGA_HOSE
>> 675 default y
>> 676
>> 677 source "security/Kconfig"
>> 678
>> 679 source "crypto/Kconfig"
>> 680
>> 681 source "lib/Kconfig"
>> 682
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