1 # SPDX-License-Identifier: GPL-2.0 1 # SPDX-License-Identifier: GPL-2.0
2 config XTENSA !! 2 config ALPHA
3 def_bool y !! 3 bool
4 select ARCH_32BIT_OFF_T !! 4 default y
5 select ARCH_HAS_CPU_CACHE_ALIASING !! 5 select ARCH_MIGHT_HAVE_PC_PARPORT
6 select ARCH_HAS_BINFMT_FLAT if !MMU !! 6 select ARCH_MIGHT_HAVE_PC_SERIO
7 select ARCH_HAS_CURRENT_STACK_POINTER !! 7 select ARCH_USE_CMPXCHG_LOCKREF
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_PCSPKR_PLATFORM
12 select ARCH_HAS_SYNC_DMA_FOR_CPU if MM !! 12 select HAVE_PERF_EVENTS
13 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if !! 13 select VIRT_TO_BUS
14 select ARCH_HAS_DMA_SET_UNCACHED if MM !! 14 select GENERIC_IRQ_PROBE
15 select ARCH_HAS_STRNCPY_FROM_USER if ! !! 15 select AUTO_IRQ_AFFINITY if SMP
16 select ARCH_HAS_STRNLEN_USER <<
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 16 select GENERIC_IRQ_SHOW
28 select GENERIC_LIB_CMPDI2 !! 17 select ARCH_WANT_IPC_PARSE_VERSION
29 select GENERIC_LIB_MULDI3 !! 18 select ARCH_HAVE_NMI_SAFE_CMPXCHG
30 select GENERIC_LIB_UCMPDI2 !! 19 select AUDIT_ARCH
31 select GENERIC_PCI_IOMAP !! 20 select GENERIC_CLOCKEVENTS
32 select GENERIC_SCHED_CLOCK !! 21 select GENERIC_CPU_VULNERABILITIES
33 select GENERIC_IOREMAP if MMU !! 22 select GENERIC_SMP_IDLE_THREAD
>> 23 select GENERIC_STRNCPY_FROM_USER
>> 24 select GENERIC_STRNLEN_USER
34 select HAVE_ARCH_AUDITSYSCALL 25 select HAVE_ARCH_AUDITSYSCALL
35 select HAVE_ARCH_JUMP_LABEL if !XIP_KE !! 26 select HAVE_MOD_ARCH_SPECIFIC
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 27 select MODULES_USE_ELF_RELA
58 select PERF_USE_VMALLOC !! 28 select ODD_RT_SIGACTION
59 select TRACE_IRQFLAGS_SUPPORT !! 29 select OLD_SIGSUSPEND
60 help !! 30 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
61 Xtensa processors are 32-bit RISC ma !! 31 help
62 primarily for embedded systems. The !! 32 The Alpha is a 64-bit general-purpose processor designed and
63 configurable and extensible. The Li !! 33 marketed by the Digital Equipment Corporation of blessed memory,
64 architecture supports all processor !! 34 now Hewlett-Packard. The Alpha Linux project has a home page at
65 with reasonable minimum requirements !! 35 <http://www.alphalinux.org/>.
66 a home page at <http://www.linux-xte <<
67 36
68 config GENERIC_HWEIGHT !! 37 config 64BIT
69 def_bool y 38 def_bool y
70 39
>> 40 config MMU
>> 41 bool
>> 42 default y
>> 43
>> 44 config RWSEM_GENERIC_SPINLOCK
>> 45 bool
>> 46
>> 47 config RWSEM_XCHGADD_ALGORITHM
>> 48 bool
>> 49 default y
>> 50
71 config ARCH_HAS_ILOG2_U32 51 config ARCH_HAS_ILOG2_U32
72 def_bool n !! 52 bool
>> 53 default n
73 54
74 config ARCH_HAS_ILOG2_U64 55 config ARCH_HAS_ILOG2_U64
75 def_bool n !! 56 bool
76 !! 57 default n
77 config ARCH_MTD_XIP <<
78 def_bool y <<
79 58
80 config NO_IOPORT_MAP !! 59 config GENERIC_CALIBRATE_DELAY
81 def_bool n !! 60 bool
>> 61 default y
82 62
83 config HZ !! 63 config ZONE_DMA
84 int !! 64 bool
85 default 100 !! 65 default y
86 66
87 config LOCKDEP_SUPPORT !! 67 config ARCH_DMA_ADDR_T_64BIT
88 def_bool y 68 def_bool y
89 69
90 config STACKTRACE_SUPPORT !! 70 config NEED_DMA_MAP_STATE
>> 71 def_bool y
>> 72
>> 73 config NEED_SG_DMA_LENGTH
91 def_bool y 74 def_bool y
92 75
93 config MMU !! 76 config GENERIC_ISA_DMA
94 def_bool n !! 77 bool
95 select PFAULT !! 78 default y
96 79
97 config HAVE_XTENSA_GPIO32 !! 80 config PGTABLE_LEVELS
98 def_bool n !! 81 int
>> 82 default 3
99 83
100 config KASAN_SHADOW_OFFSET !! 84 source "init/Kconfig"
101 hex !! 85 source "kernel/Kconfig.freezer"
102 default 0x6e400000 <<
103 86
104 config CPU_BIG_ENDIAN !! 87 config AUDIT_ARCH
105 def_bool $(success,test "$(shell,echo !! 88 bool
106 89
107 config CPU_LITTLE_ENDIAN !! 90 menu "System setup"
108 def_bool !CPU_BIG_ENDIAN <<
109 91
110 config CC_HAVE_CALL0_ABI !! 92 choice
111 def_bool $(success,test "$(shell,echo !! 93 prompt "Alpha system type"
>> 94 default ALPHA_GENERIC
>> 95 ---help---
>> 96 This is the system type of your hardware. A "generic" kernel will
>> 97 run on any supported Alpha system. However, if you configure a
>> 98 kernel for your specific system, it will be faster and smaller.
112 99
113 menu "Processor type and features" !! 100 To find out what type of Alpha system you have, you may want to
>> 101 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 102 <http://www.alphalinux.org/>. In summary:
114 103
115 choice !! 104 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
116 prompt "Xtensa Processor Configuration !! 105 Alpha-XL XL-233, XL-266
117 default XTENSA_VARIANT_FSF !! 106 AlphaBook1 Alpha laptop
>> 107 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 108 Cabriolet AlphaPC64, AlphaPCI64
>> 109 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 110 EB164 EB164 21164 evaluation board
>> 111 EB64+ EB64+ 21064 evaluation board
>> 112 EB66 EB66 21066 evaluation board
>> 113 EB66+ EB66+ 21066 evaluation board
>> 114 Jensen DECpc 150, DEC 2000 models 300, 500
>> 115 LX164 AlphaPC164-LX
>> 116 Lynx AS 2100A
>> 117 Miata Personal Workstation 433/500/600 a/au
>> 118 Marvel AlphaServer ES47 / ES80 / GS1280
>> 119 Mikasa AS 1000
>> 120 Noname AXPpci33, UDB (Multia)
>> 121 Noritake AS 1000A, AS 600A, AS 800
>> 122 PC164 AlphaPC164
>> 123 Rawhide AS 1200, AS 4000, AS 4100
>> 124 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 125 SX164 AlphaPC164-SX
>> 126 Sable AS 2000, AS 2100
>> 127 Shark DS 20L
>> 128 Takara Takara (OEM)
>> 129 Titan AlphaServer ES45 / DS25 / DS15
>> 130 Wildfire AlphaServer GS 40/80/160/320
118 131
119 config XTENSA_VARIANT_FSF !! 132 If you don't know what to do, choose "generic".
120 bool "fsf - default (not generic) conf <<
121 select MMU <<
122 133
123 config XTENSA_VARIANT_DC232B !! 134 config ALPHA_GENERIC
124 bool "dc232b - Diamond 232L Standard C !! 135 bool "Generic"
125 select MMU !! 136 depends on TTY
126 select HAVE_XTENSA_GPIO32 <<
127 help 137 help
128 This variant refers to Tensilica's D !! 138 A generic kernel will run on all supported Alpha hardware.
129 139
130 config XTENSA_VARIANT_DC233C !! 140 config ALPHA_ALCOR
131 bool "dc233c - Diamond 233L Standard C !! 141 bool "Alcor/Alpha-XLT"
132 select MMU <<
133 select HAVE_XTENSA_GPIO32 <<
134 help 142 help
135 This variant refers to Tensilica's D !! 143 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 144 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 145 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 146 controller (256-bit memory bus) and a PCI interface. It also does
>> 147 all the work required to support an external Bcache and to maintain
>> 148 memory coherence when a PCI device DMAs into (or out of) memory.
136 149
137 config XTENSA_VARIANT_CUSTOM !! 150 config ALPHA_XL
138 bool "Custom Xtensa processor configur !! 151 bool "Alpha-XL"
139 select HAVE_XTENSA_GPIO32 <<
140 help 152 help
141 Select this variant to use a custom !! 153 XL-233 and XL-266-based Alpha systems.
142 You will be prompted for a processor <<
143 endchoice <<
144 154
145 config XTENSA_VARIANT_CUSTOM_NAME !! 155 config ALPHA_BOOK1
146 string "Xtensa Processor Custom Core V !! 156 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 157 help
174 Enable if core variant has Performan !! 158 Dec AlphaBook1/Burns Alpha-based laptops.
175 External Registers Interface. <<
176 159
177 If unsure, say N. !! 160 config ALPHA_AVANTI_CH
>> 161 bool "Avanti"
178 162
179 config XTENSA_FAKE_NMI !! 163 config ALPHA_CABRIOLET
180 bool "Treat PMM IRQ as NMI" !! 164 bool "Cabriolet"
181 depends on XTENSA_VARIANT_HAVE_PERF_EV <<
182 default n <<
183 help 165 help
184 If PMM IRQ is the only IRQ at EXCM l !! 166 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
185 treat it as NMI, which improves accu !! 167 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
186 !! 168 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
187 If there are other interrupts at or !! 169 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. <<
192 170
193 If unsure, say N. !! 171 config ALPHA_DP264
>> 172 bool "DP264"
>> 173 help
>> 174 Various 21264 systems with the tsunami core logic chipset.
>> 175 API Networks: 264DP, UP2000(+), CS20;
>> 176 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
194 177
195 config PFAULT !! 178 config ALPHA_EB164
196 bool "Handle protection faults" if EXP !! 179 bool "EB164"
197 default y <<
198 help 180 help
199 Handle protection faults. MMU config !! 181 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
200 noMMU configurations may disable it !! 182 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
201 generates protection faults or fault !! 183 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 184 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 185 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 186 motherboard. Requires power supply with 3.3V output.
202 187
203 If unsure, say Y. !! 188 config ALPHA_EB64P_CH
>> 189 bool "EB64+"
204 190
205 config XTENSA_UNALIGNED_USER !! 191 config ALPHA_EB66
206 bool "Unaligned memory access in user !! 192 bool "EB66"
207 help 193 help
208 The Xtensa architecture currently do !! 194 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
209 memory accesses in hardware but thro !! 195 identical to EB64+. Baby PC-AT size. Runs from standard PC power
210 Per default, unaligned memory access !! 196 supply. The EB66 schematic was published as a marketing poster
>> 197 advertising the 21066 as "the first microprocessor in the world with
>> 198 embedded PCI".
211 199
212 Say Y here to enable unaligned memor !! 200 config ALPHA_EB66P
>> 201 bool "EB66+"
>> 202 help
>> 203 Later variant of the EB66 board.
213 204
214 config XTENSA_LOAD_STORE !! 205 config ALPHA_EIGER
215 bool "Load/store exception handler for !! 206 bool "Eiger"
216 help 207 help
217 The Xtensa architecture only allows !! 208 Apparently an obscure OEM single-board computer based on the
218 instruction bus with l32r and l32i i !! 209 Typhoon/Tsunami chipset family. Information on it is scanty.
219 instructions raise an exception with <<
220 This makes it hard to use some confi <<
221 literals in FLASH memory attached to <<
222 210
223 Say Y here to enable exception handl !! 211 config ALPHA_JENSEN
224 byte and 2-byte access to memory att !! 212 bool "Jensen"
>> 213 depends on BROKEN
>> 214 select DMA_DIRECT_OPS
>> 215 help
>> 216 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 217 of the first-generation Alpha systems. A number of these systems
>> 218 seem to be available on the second- hand market. The Jensen is a
>> 219 floor-standing tower system which originally used a 150MHz 21064 It
>> 220 used programmable logic to interface a 486 EISA I/O bridge to the
>> 221 CPU.
225 222
226 config HAVE_SMP !! 223 config ALPHA_LX164
227 bool "System Supports SMP (MX)" !! 224 bool "LX164"
228 depends on XTENSA_VARIANT_CUSTOM <<
229 select XTENSA_MX <<
230 help 225 help
231 This option is used to indicate that !! 226 A technical overview of this board is available at
232 supports Multiprocessing. Multiproce !! 227 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
233 the CPU core definition and currentl <<
234 228
235 Multiprocessor support is implemente !! 229 config ALPHA_LYNX
236 interrupt controllers. !! 230 bool "Lynx"
>> 231 help
>> 232 AlphaServer 2100A-based systems.
237 233
238 The MX interrupt distributer adds In !! 234 config ALPHA_MARVEL
239 and causes the IRQ numbers to be inc !! 235 bool "Marvel"
240 like the open cores ethernet driver !! 236 help
>> 237 AlphaServer ES47 / ES80 / GS1280 based on EV7.
241 238
242 You still have to select "Enable SMP !! 239 config ALPHA_MIATA
>> 240 bool "Miata"
>> 241 help
>> 242 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 243 or 600au).
243 244
244 config SMP !! 245 config ALPHA_MIKASA
245 bool "Enable Symmetric multi-processin !! 246 bool "Mikasa"
246 depends on HAVE_SMP <<
247 select GENERIC_SMP_IDLE_THREAD <<
248 help 247 help
249 Enabled SMP Software; allows more th !! 248 AlphaServer 1000-based Alpha systems.
250 to be activated during startup. <<
251 249
252 config NR_CPUS !! 250 config ALPHA_NAUTILUS
253 depends on SMP !! 251 bool "Nautilus"
254 int "Maximum number of CPUs (2-32)" !! 252 help
255 range 2 32 !! 253 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
256 default "4" <<
257 254
258 config HOTPLUG_CPU !! 255 config ALPHA_NONAME_CH
259 bool "Enable CPU hotplug support" !! 256 bool "Noname"
260 depends on SMP !! 257
>> 258 config ALPHA_NORITAKE
>> 259 bool "Noritake"
261 help 260 help
262 Say Y here to allow turning CPUs off !! 261 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
263 controlled through /sys/devices/syst !! 262 systems.
264 263
265 Say N if you want to disable CPU hot !! 264 config ALPHA_PC164
>> 265 bool "PC164"
266 266
267 config SECONDARY_RESET_VECTOR !! 267 config ALPHA_P2K
268 bool "Secondary cores use alternative !! 268 bool "Platform2000"
269 default y !! 269
270 depends on HAVE_SMP !! 270 config ALPHA_RAWHIDE
>> 271 bool "Rawhide"
271 help 272 help
272 Secondary cores may be configured to !! 273 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
273 or all cores may use primary reset v !! 274 See HOWTO at
274 Say Y here to supply handler for the !! 275 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
275 276
276 config FAST_SYSCALL_XTENSA !! 277 config ALPHA_RUFFIAN
277 bool "Enable fast atomic syscalls" !! 278 bool "Ruffian"
278 default n <<
279 help 279 help
280 fast_syscall_xtensa is a syscall tha !! 280 Samsung APC164UX. There is a page on known problems and workarounds
281 on UP kernel when processor has no s !! 281 at <http://www.alphalinux.org/faq/FAQ-11.html>.
282 282
283 This syscall is deprecated. It may h !! 283 config ALPHA_RX164
284 invalid arguments. It is provided on !! 284 bool "RX164"
285 Only enable it if your userspace sof <<
286 285
287 If unsure, say N. !! 286 config ALPHA_SX164
>> 287 bool "SX164"
288 288
289 config FAST_SYSCALL_SPILL_REGISTERS !! 289 config ALPHA_SABLE
290 bool "Enable spill registers syscall" !! 290 bool "Sable"
291 default n <<
292 help 291 help
293 fast_syscall_spill_registers is a sy !! 292 Digital AlphaServer 2000 and 2100-based systems.
294 register windows of a calling usersp <<
295 293
296 This syscall is deprecated. It may h !! 294 config ALPHA_SHARK
297 invalid arguments. It is provided on !! 295 bool "Shark"
298 Only enable it if your userspace sof <<
299 296
300 If unsure, say N. !! 297 config ALPHA_TAKARA
>> 298 bool "Takara"
>> 299 help
>> 300 Alpha 11164-based OEM single-board computer.
301 301
302 choice !! 302 config ALPHA_TITAN
303 prompt "Kernel ABI" !! 303 bool "Titan"
304 default KERNEL_ABI_DEFAULT !! 304 help
>> 305 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 306
>> 307 config ALPHA_WILDFIRE
>> 308 bool "Wildfire"
305 help 309 help
306 Select ABI for the kernel code. This !! 310 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
307 supported userspace ABI and any comb <<
308 kernel/userspace ABI is possible and <<
309 <<
310 In case both kernel and userspace su <<
311 all register windows support code wi <<
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. <<
331 311
332 endchoice 312 endchoice
333 313
334 config USER_ABI_CALL0 !! 314 # clear all implied options (don't want default values for those):
>> 315 # Most of these machines have ISA slots; not exactly sure which don't,
>> 316 # and this doesn't activate hordes of code, so do it always.
>> 317 config ISA
335 bool 318 bool
336 !! 319 default y
337 choice <<
338 prompt "Userspace ABI" <<
339 default USER_ABI_DEFAULT <<
340 help 320 help
341 Select supported userspace ABI. !! 321 Find out whether you have ISA slots on your motherboard. ISA is the
>> 322 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 323 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 324 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 325 newer boards don't support it. If you have ISA, say Y, otherwise N.
342 326
343 If unsure, choose the default ABI. !! 327 config ISA_DMA_API
>> 328 bool
>> 329 default y
344 330
345 config USER_ABI_DEFAULT !! 331 config PCI
346 bool "Default ABI only" !! 332 bool
>> 333 depends on !ALPHA_JENSEN
>> 334 select GENERIC_PCI_IOMAP
>> 335 default y
347 help 336 help
348 Assume default userspace ABI. For XE !! 337 Find out whether you have a PCI motherboard. PCI is the name of a
349 call0 ABI binaries may be run on suc !! 338 bus system, i.e. the way the CPU talks to the other stuff inside
350 will not work correctly for them. !! 339 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 340 VESA. If you have PCI, say Y, otherwise N.
351 341
352 config USER_ABI_CALL0_ONLY !! 342 config PCI_DOMAINS
353 bool "Call0 ABI only" !! 343 bool
354 select USER_ABI_CALL0 !! 344 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 <<
359 345
360 Choose this option if you're plannin !! 346 config PCI_SYSCALL
361 built with call0 ABI. !! 347 def_bool PCI
362 348
363 config USER_ABI_CALL0_PROBE !! 349 config IOMMU_HELPER
364 bool "Support both windowed and call0 !! 350 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. <<
372 351
373 This option should be enabled for th !! 352 config ALPHA_NONAME
374 both call0 and windowed ABIs in user !! 353 bool
>> 354 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 355 default y
>> 356 help
>> 357 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 358 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 359 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 360 is a baby-AT size, and runs from a standard PC power supply. It has
>> 361 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 362 2 versions, with either PS/2 or large DIN connectors for the
>> 363 keyboard.
375 364
376 Note that Xtensa ISA does not guaran !! 365 config ALPHA_EV4
377 raise an illegal instruction excepti !! 366 bool
378 PS.WOE is disabled, check whether th !! 367 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
>> 368 default y if !ALPHA_LYNX
379 369
380 endchoice !! 370 config ALPHA_LCA
>> 371 bool
>> 372 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 373 default y
381 374
382 endmenu !! 375 config ALPHA_APECS
>> 376 bool
>> 377 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 378 default y
383 379
384 config XTENSA_CALIBRATE_CCOUNT !! 380 config ALPHA_EB64P
385 def_bool n !! 381 bool
>> 382 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 383 default y
386 help 384 help
387 On some platforms (XT2000, for examp !! 385 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
388 vary. The frequency can be determin !! 386 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
389 against a well known, fixed frequenc !! 387 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 388 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 389 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 390 Runs from standard PC power supply.
>> 391
>> 392 config ALPHA_EV5
>> 393 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 394 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
390 395
391 config SERIAL_CONSOLE !! 396 config ALPHA_EV4
392 def_bool n !! 397 bool
>> 398 default y if ALPHA_LYNX && !ALPHA_EV5
>> 399
>> 400 config ALPHA_CIA
>> 401 bool
>> 402 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
>> 403 default y
393 404
394 config PLATFORM_HAVE_XIP !! 405 config ALPHA_EV56
395 def_bool n !! 406 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 407 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
396 408
397 menu "Platform options" !! 409 config ALPHA_EV56
>> 410 prompt "EV56 CPU (speed >= 333MHz)?"
>> 411 depends on ALPHA_NORITAKE || ALPHA_PRIMO
398 412
399 choice !! 413 config ALPHA_EV56
400 prompt "Xtensa System Type" !! 414 prompt "EV56 CPU (speed >= 400MHz)?"
401 default XTENSA_PLATFORM_ISS !! 415 depends on ALPHA_RAWHIDE
402 416
403 config XTENSA_PLATFORM_ISS !! 417 config ALPHA_PRIMO
404 bool "ISS" !! 418 bool "EV5 CPU daughtercard (model 5/xxx)?"
405 select XTENSA_CALIBRATE_CCOUNT !! 419 depends on ALPHA_NORITAKE || ALPHA_MIKASA
406 select SERIAL_CONSOLE <<
407 help <<
408 ISS is an acronym for Tensilica's In <<
409 <<
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 420 help
424 XTFPGA is the name of Tensilica boar !! 421 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
425 This hardware is capable of running <<
426 422
427 endchoice !! 423 config ALPHA_GAMMA
>> 424 bool "EV5 CPU(s) (model 5/xxx)?"
>> 425 depends on ALPHA_SABLE
>> 426 help
>> 427 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
428 428
429 config PLATFORM_NR_IRQS !! 429 config ALPHA_GAMMA
430 int !! 430 bool
431 default 3 if XTENSA_PLATFORM_XT2000 !! 431 depends on ALPHA_LYNX
432 default 0 !! 432 default y
433 433
434 config XTENSA_CPU_CLOCK !! 434 config ALPHA_T2
435 int "CPU clock rate [MHz]" !! 435 bool
436 depends on !XTENSA_CALIBRATE_CCOUNT !! 436 depends on ALPHA_SABLE || ALPHA_LYNX
437 default 16 !! 437 default y
438 438
439 config GENERIC_CALIBRATE_DELAY !! 439 config ALPHA_PYXIS
440 bool "Auto calibration of the BogoMIPS !! 440 bool
441 help !! 441 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
442 The BogoMIPS value can easily be der !! 442 default y
>> 443
>> 444 config ALPHA_EV6
>> 445 bool
>> 446 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 447 default y
443 448
444 config CMDLINE_BOOL !! 449 config ALPHA_TSUNAMI
445 bool "Default bootloader kernel argume !! 450 bool
>> 451 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 452 default y
446 453
447 config CMDLINE !! 454 config ALPHA_EV67
448 string "Initial kernel command string" !! 455 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
449 depends on CMDLINE_BOOL !! 456 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
450 default "console=ttyS0,38400 root=/dev <<
451 help 457 help
452 On some architectures (EBSA110 and C !! 458 Is this a machine based on the EV67 core? If in doubt, select N here
453 for the boot loader to pass argument !! 459 and the machine will be treated as an EV6.
454 architectures, you should supply som <<
455 time by entering them here. As a min <<
456 memory size and the root device (e.g <<
457 460
458 config USE_OF !! 461 config ALPHA_MCPCIA
459 bool "Flattened Device Tree support" !! 462 bool
460 select OF !! 463 depends on ALPHA_RAWHIDE
461 select OF_EARLY_FLATTREE !! 464 default y
462 help <<
463 Include support for flattened device <<
464 465
465 config BUILTIN_DTB_SOURCE !! 466 config ALPHA_POLARIS
466 string "DTB to build into the kernel i !! 467 bool
467 depends on OF !! 468 depends on ALPHA_RX164
>> 469 default y
468 470
469 config PARSE_BOOTPARAM !! 471 config ALPHA_IRONGATE
470 bool "Parse bootparam block" !! 472 bool
>> 473 depends on ALPHA_NAUTILUS
471 default y 474 default y
472 help <<
473 Parse parameters passed to the kerne <<
474 be disabled if the kernel is known t <<
475 475
476 If unsure, say Y. !! 476 config GENERIC_HWEIGHT
>> 477 bool
>> 478 default y if !ALPHA_EV67
477 479
478 choice !! 480 config ALPHA_AVANTI
479 prompt "Semihosting interface" !! 481 bool
480 default XTENSA_SIMCALL_ISS !! 482 depends on ALPHA_XL || ALPHA_AVANTI_CH
481 depends on XTENSA_PLATFORM_ISS !! 483 default y
482 help 484 help
483 Choose semihosting interface that wi !! 485 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
484 block device and networking. !! 486 Alphas. Info at
>> 487 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
485 488
486 config XTENSA_SIMCALL_ISS !! 489 config ALPHA_BROKEN_IRQ_MASK
487 bool "simcall" !! 490 bool
488 help !! 491 depends on ALPHA_GENERIC || ALPHA_PC164
489 Use simcall instruction. simcall is !! 492 default y
490 it does nothing on hardware. <<
491 493
492 config XTENSA_SIMCALL_GDBIO !! 494 config VGA_HOSE
493 bool "GDBIO" !! 495 bool
>> 496 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 497 default y
494 help 498 help
495 Use break instruction. It is availab !! 499 Support VGA on an arbitrary hose; needed for several platforms
496 is attached to it via JTAG. !! 500 which always have multiple hoses, and whose consoles support it.
497 501
498 endchoice <<
499 502
500 config BLK_DEV_SIMDISK !! 503 config ALPHA_QEMU
501 tristate "Host file-based simulated bl !! 504 bool "Run under QEMU emulation"
502 default n !! 505 depends on !ALPHA_GENERIC
503 depends on XTENSA_PLATFORM_ISS && BLOC !! 506 ---help---
504 help !! 507 Assume the presence of special features supported by QEMU PALcode
505 Create block devices that map to fil !! 508 that reduce the overhead of system emulation.
506 Device binding to host file may be c !! 509
507 interface provided the device is not !! 510 Generic kernels will auto-detect QEMU. But when building a
508 !! 511 system-specific kernel, the assumption is that we want to
509 config BLK_DEV_SIMDISK_COUNT !! 512 eliminate as many runtime tests as possible.
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 <<
541 There's a 2x16 LCD on most of XTFPGA <<
542 progress messages there during bootu <<
543 during board bringup. <<
544 513
545 If unsure, say N. 514 If unsure, say N.
546 515
547 config XTFPGA_LCD_BASE_ADDR !! 516
548 hex "XTFPGA LCD base address" !! 517 config ALPHA_SRM
549 depends on XTFPGA_LCD !! 518 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
550 default "0x0d0c0000" !! 519 depends on TTY
551 help !! 520 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
552 Base address of the LCD controller i !! 521 ---help---
553 Different boards from XTFPGA family !! 522 There are two different types of booting firmware on Alphas: SRM,
554 addresses. Please consult prototypin !! 523 which is command line driven, and ARC, which uses menus and arrow
555 the correct address. Wrong address h !! 524 keys. Details about the Linux/Alpha booting process are contained in
556 !! 525 the Linux/Alpha FAQ, accessible on the WWW from
557 config XTFPGA_LCD_8BIT_ACCESS !! 526 <http://www.alphalinux.org/>.
558 bool "Use 8-bit access to XTFPGA LCD" !! 527
559 depends on XTFPGA_LCD !! 528 The usual way to load Linux on an Alpha machine is to use MILO
560 default n !! 529 (a bootloader that lets you pass command line parameters to the
561 help !! 530 kernel just like lilo does for the x86 architecture) which can be
562 LCD may be connected with 4- or 8-bi !! 531 loaded either from ARC or can be installed directly as a permanent
563 only be used with 8-bit interface. P !! 532 firmware replacement from floppy (which requires changing a certain
564 guide for your board for the correct !! 533 jumper on the motherboard). If you want to do either of these, say N
565 !! 534 here. If MILO doesn't work on your system (true for Jensen
566 comment "Kernel memory layout" !! 535 motherboards), you can bypass it altogether and boot Linux directly
567 !! 536 from an SRM console; say Y here in order to do that. Note that you
568 config INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX !! 537 won't be able to boot from an IDE disk using SRM.
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/ <<
616 538
617 If unsure, say N. 539 If unsure, say N.
618 540
619 config MEMMAP_CACHEATTR !! 541 config EISA
620 hex "Cache attributes for the memory a !! 542 bool
621 depends on !MMU !! 543 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
622 default 0x22222222 !! 544 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. <<
682 545
683 If unsure, leave the default value h !! 546 config ARCH_MAY_HAVE_PC_FDC
>> 547 def_bool y
684 548
685 choice !! 549 config SMP
686 prompt "Relocatable vectors location" !! 550 bool "Symmetric multi-processing support"
687 default XTENSA_VECTORS_IN_TEXT !! 551 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
688 help !! 552 ---help---
689 Choose whether relocatable vectors a !! 553 This enables support for systems with more than one CPU. If you have
690 or placed separately at runtime. Thi !! 554 a system with only one CPU, say N. If you have a system with more
691 configurations without VECBASE regis !! 555 than one CPU, say Y.
692 placed at their hardware-defined loc !! 556
693 !! 557 If you say N here, the kernel will run on uni- and multiprocessor
694 config XTENSA_VECTORS_IN_TEXT !! 558 machines, but will use only one CPU of a multiprocessor machine. If
695 bool "Merge relocatable vectors into k !! 559 you say Y here, the kernel will run on many, but not all,
696 depends on !MTD_XIP !! 560 uniprocessor machines. On a uniprocessor machine, the kernel
697 help !! 561 will run faster if you say N here.
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. <<
710 562
711 endchoice !! 563 See also the SMP-HOWTO available at
>> 564 <http://www.tldp.org/docs.html#howto>.
>> 565
>> 566 If you don't know what to do here, say N.
>> 567
>> 568 config HAVE_DEC_LOCK
>> 569 bool
>> 570 depends on SMP
>> 571 default y
712 572
713 config VECTORS_ADDR !! 573 config NR_CPUS
714 hex "Kernel vectors virtual address" !! 574 int "Maximum number of CPUs (2-32)"
715 default 0x00000000 !! 575 range 2 32
716 depends on XTENSA_VECTORS_SEPARATE !! 576 depends on SMP
717 help !! 577 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
718 This is the virtual address of the ( !! 578 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
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 MARVEL support can handle a maximum of 32 CPUs, all the others
739 in noMMU configurations. !! 581 with working support have a maximum of 4 CPUs.
740 582
741 If unsure, leave the default value h !! 583 config ARCH_DISCONTIGMEM_ENABLE
>> 584 bool "Discontiguous Memory Support"
>> 585 help
>> 586 Say Y to support efficient handling of discontiguous physical memory,
>> 587 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 588 or have huge holes in the physical address space for other reasons.
>> 589 See <file:Documentation/vm/numa> for more.
>> 590
>> 591 source "mm/Kconfig"
>> 592
>> 593 config NUMA
>> 594 bool "NUMA Support (EXPERIMENTAL)"
>> 595 depends on DISCONTIGMEM && BROKEN
>> 596 help
>> 597 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
>> 598 Access). This option is for configuring high-end multiprocessor
>> 599 server machines. If in doubt, say N.
>> 600
>> 601 config ALPHA_WTINT
>> 602 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 603 default y if ALPHA_QEMU
>> 604 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 605 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 606 default y if SMP
>> 607 ---help---
>> 608 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
>> 609 to sleep until the next interrupt. This may reduce the power
>> 610 consumed, and the heat produced by the computer. However, it has
>> 611 the side effect of making the cycle counter unreliable as a timing
>> 612 device across the sleep.
742 613
743 choice !! 614 For emulation under QEMU, definitely say Y here, as we have other
744 prompt "KSEG layout" !! 615 mechanisms for measuring time than the cycle counter.
745 depends on MMU !! 616
746 default XTENSA_KSEG_MMU_V2 !! 617 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
747 !! 618 MILO, sleep mode is not supported so you might as well say N here.
748 config XTENSA_KSEG_MMU_V2 !! 619
749 bool "MMUv2: 128MB cached + 128MB unca !! 620 For SMP systems we cannot use the cycle counter for timing anyway,
750 help !! 621 so you might as well say Y here.
751 MMUv2 compatible kernel memory map: <<
752 at KSEG_PADDR to 0xd0000000 with cac <<
753 without cache. <<
754 KSEG_PADDR must be aligned to 128MB. <<
755 <<
756 config XTENSA_KSEG_256M <<
757 bool "256MB cached + 256MB uncached" <<
758 depends on INITIALIZE_XTENSA_MMU_INSID <<
759 help <<
760 TLB way 6 maps 256MB starting at KSE <<
761 with cache and to 0xc0000000 without <<
762 KSEG_PADDR must be aligned to 256MB. <<
763 <<
764 config XTENSA_KSEG_512M <<
765 bool "512MB cached + 512MB uncached" <<
766 depends on INITIALIZE_XTENSA_MMU_INSID <<
767 help <<
768 TLB way 6 maps 512MB starting at KSE <<
769 with cache and to 0xc0000000 without <<
770 KSEG_PADDR must be aligned to 256MB. <<
771 622
>> 623 If unsure, say N.
>> 624
>> 625 config NODES_SHIFT
>> 626 int
>> 627 default "7"
>> 628 depends on NEED_MULTIPLE_NODES
>> 629
>> 630 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 631 config ALPHA_LARGE_VMALLOC
>> 632 bool
>> 633 ---help---
>> 634 Process creation and other aspects of virtual memory management can
>> 635 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 636 allocations. This equates to about 8GB.
>> 637
>> 638 Under normal circumstances, this is so far and above what is needed
>> 639 as to be laughable. However, there are certain applications (such
>> 640 as benchmark-grade in-kernel web serving) that can make use of as
>> 641 much vmalloc space as is available.
>> 642
>> 643 Say N unless you know you need gobs and gobs of vmalloc space.
>> 644
>> 645 config VERBOSE_MCHECK
>> 646 bool "Verbose Machine Checks"
>> 647
>> 648 config VERBOSE_MCHECK_ON
>> 649 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 650 depends on VERBOSE_MCHECK
>> 651 default 1
>> 652 ---help---
>> 653 This option allows the default printing mode to be set, and then
>> 654 possibly overridden by a boot command argument.
>> 655
>> 656 For example, if one wanted the option of printing verbose
>> 657 machine checks, but wanted the default to be as if verbose
>> 658 machine check printing was turned off, then one would choose
>> 659 the printing mode to be 0. Then, upon reboot, one could add
>> 660 the boot command line "verbose_mcheck=1" to get the normal
>> 661 verbose machine check printing, or "verbose_mcheck=2" to get
>> 662 the maximum information available.
>> 663
>> 664 Take the default (1) unless you want more control or more info.
>> 665
>> 666 choice
>> 667 prompt "Timer interrupt frequency (HZ)?"
>> 668 default HZ_128 if ALPHA_QEMU
>> 669 default HZ_1200 if ALPHA_RAWHIDE
>> 670 default HZ_1024
>> 671 ---help---
>> 672 The frequency at which timer interrupts occur. A high frequency
>> 673 minimizes latency, whereas a low frequency minimizes overhead of
>> 674 process accounting. The later effect is especially significant
>> 675 when being run under QEMU.
>> 676
>> 677 Note that some Alpha hardware cannot change the interrupt frequency
>> 678 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 679
>> 680 config HZ_32
>> 681 bool "32 Hz"
>> 682 config HZ_64
>> 683 bool "64 Hz"
>> 684 config HZ_128
>> 685 bool "128 Hz"
>> 686 config HZ_256
>> 687 bool "256 Hz"
>> 688 config HZ_1024
>> 689 bool "1024 Hz"
>> 690 config HZ_1200
>> 691 bool "1200 Hz"
772 endchoice 692 endchoice
773 693
774 config HIGHMEM !! 694 config HZ
775 bool "High Memory Support" !! 695 int
776 depends on MMU !! 696 default 32 if HZ_32
777 select KMAP_LOCAL !! 697 default 64 if HZ_64
778 help !! 698 default 128 if HZ_128
779 Linux can use the full amount of RAM !! 699 default 256 if HZ_256
780 default. However, the default MMUv2 !! 700 default 1200 if HZ_1200
781 lowermost 128 MB of memory linearly !! 701 default 1024
782 at 0xd0000000 (cached) and 0xd800000 !! 702
783 When there are more than 128 MB memo !! 703 source "drivers/pci/Kconfig"
784 all of it can be "permanently mapped !! 704 source "drivers/eisa/Kconfig"
785 The physical memory that's not perma !! 705
786 "high memory". !! 706 source "drivers/pcmcia/Kconfig"
787 !! 707
788 If you are compiling a kernel which !! 708 config SRM_ENV
789 machine with more than 128 MB total !! 709 tristate "SRM environment through procfs"
790 N here. !! 710 depends on PROC_FS
791 !! 711 ---help---
792 If unsure, say Y. !! 712 If you enable this option, a subdirectory inside /proc called
793 !! 713 /proc/srm_environment will give you access to the all important
794 config ARCH_FORCE_MAX_ORDER !! 714 SRM environment variables (those which have a name) and also
795 int "Order of maximal physically conti !! 715 to all others (by their internal number).
796 default "10" !! 716
797 help !! 717 SRM is something like a BIOS for Alpha machines. There are some
798 The kernel page allocator limits the !! 718 other such BIOSes, like AlphaBIOS, which this driver cannot
799 contiguous allocations. The limit is !! 719 support (hey, that's not SRM!).
800 defines the maximal power of two of !! 720
801 allocated as a single contiguous blo !! 721 Despite the fact that this driver doesn't work on all Alphas (but
802 overriding the default setting when !! 722 only on those which have SRM as their firmware), it's save to
803 large blocks of physically contiguou !! 723 build it even if your particular machine doesn't know about SRM
>> 724 (or if you intend to compile a generic kernel). It will simply
>> 725 not create those subdirectory in /proc (and give you some warning,
>> 726 of course).
>> 727
>> 728 This driver is also available as a module and will be called
>> 729 srm_env then.
804 730
805 Don't change if unsure. !! 731 source "fs/Kconfig.binfmt"
806 732
807 endmenu 733 endmenu
808 734
809 menu "Power management options" !! 735 source "net/Kconfig"
810 736
811 config ARCH_HIBERNATION_POSSIBLE !! 737 source "drivers/Kconfig"
812 def_bool y <<
813 738
814 source "kernel/power/Kconfig" !! 739 source "fs/Kconfig"
>> 740
>> 741 source "arch/alpha/Kconfig.debug"
>> 742
>> 743 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 744 # but we also need it if VGA_HOSE is set
>> 745 config DUMMY_CONSOLE
>> 746 bool
>> 747 depends on VGA_HOSE
>> 748 default y
>> 749
>> 750 source "security/Kconfig"
>> 751
>> 752 source "crypto/Kconfig"
>> 753
>> 754 source "lib/Kconfig"
815 755
816 endmenu <<
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