1 # SPDX-License-Identifier: GPL-2.0 !! 1 config ALPHA
2 config XTENSA !! 2 bool
3 def_bool y !! 3 default y
4 select ARCH_32BIT_OFF_T !! 4 select HAVE_AOUT
5 select ARCH_HAS_CPU_CACHE_ALIASING !! 5 select HAVE_IDE
6 select ARCH_HAS_BINFMT_FLAT if !MMU !! 6 select HAVE_OPROFILE
7 select ARCH_HAS_CURRENT_STACK_POINTER !! 7 select HAVE_PCSPKR_PLATFORM
8 select ARCH_HAS_DEBUG_VM_PGTABLE <<
9 select ARCH_HAS_DMA_PREP_COHERENT if M <<
10 select ARCH_HAS_GCOV_PROFILE_ALL <<
11 select ARCH_HAS_KCOV <<
12 select ARCH_HAS_SYNC_DMA_FOR_CPU if MM <<
13 select ARCH_HAS_SYNC_DMA_FOR_DEVICE if <<
14 select ARCH_HAS_DMA_SET_UNCACHED if MM <<
15 select ARCH_HAS_STRNCPY_FROM_USER if ! <<
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 <<
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 8 select HAVE_PERF_EVENTS
52 select HAVE_STACKPROTECTOR !! 9 select HAVE_DMA_ATTRS
53 select HAVE_SYSCALL_TRACEPOINTS !! 10 select HAVE_GENERIC_HARDIRQS
54 select HAVE_VIRT_CPU_ACCOUNTING_GEN !! 11 select VIRT_TO_BUS
55 select IRQ_DOMAIN !! 12 select GENERIC_IRQ_PROBE
56 select LOCK_MM_AND_FIND_VMA !! 13 select AUTO_IRQ_AFFINITY if SMP
>> 14 select GENERIC_IRQ_SHOW
>> 15 select ARCH_WANT_OPTIONAL_GPIOLIB
>> 16 select ARCH_WANT_IPC_PARSE_VERSION
>> 17 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 18 select GENERIC_SMP_IDLE_THREAD
>> 19 select GENERIC_CMOS_UPDATE
>> 20 select GENERIC_STRNCPY_FROM_USER
>> 21 select GENERIC_STRNLEN_USER
>> 22 select HAVE_MOD_ARCH_SPECIFIC
57 select MODULES_USE_ELF_RELA 23 select MODULES_USE_ELF_RELA
58 select PERF_USE_VMALLOC !! 24 select ODD_RT_SIGACTION
59 select TRACE_IRQFLAGS_SUPPORT !! 25 select OLD_SIGSUSPEND
60 help 26 help
61 Xtensa processors are 32-bit RISC ma !! 27 The Alpha is a 64-bit general-purpose processor designed and
62 primarily for embedded systems. The !! 28 marketed by the Digital Equipment Corporation of blessed memory,
63 configurable and extensible. The Li !! 29 now Hewlett-Packard. The Alpha Linux project has a home page at
64 architecture supports all processor !! 30 <http://www.alphalinux.org/>.
65 with reasonable minimum requirements <<
66 a home page at <http://www.linux-xte <<
67 31
68 config GENERIC_HWEIGHT !! 32 config 64BIT
69 def_bool y 33 def_bool y
70 34
>> 35 config MMU
>> 36 bool
>> 37 default y
>> 38
>> 39 config RWSEM_GENERIC_SPINLOCK
>> 40 bool
>> 41
>> 42 config RWSEM_XCHGADD_ALGORITHM
>> 43 bool
>> 44 default y
>> 45
71 config ARCH_HAS_ILOG2_U32 46 config ARCH_HAS_ILOG2_U32
72 def_bool n !! 47 bool
>> 48 default n
73 49
74 config ARCH_HAS_ILOG2_U64 50 config ARCH_HAS_ILOG2_U64
75 def_bool n !! 51 bool
76 !! 52 default n
77 config ARCH_MTD_XIP <<
78 def_bool y <<
79 53
80 config NO_IOPORT_MAP !! 54 config GENERIC_CALIBRATE_DELAY
81 def_bool n !! 55 bool
>> 56 default y
82 57
83 config HZ !! 58 config ZONE_DMA
84 int !! 59 bool
85 default 100 !! 60 default y
86 61
87 config LOCKDEP_SUPPORT !! 62 config ARCH_DMA_ADDR_T_64BIT
88 def_bool y 63 def_bool y
89 64
90 config STACKTRACE_SUPPORT !! 65 config NEED_DMA_MAP_STATE
91 def_bool y !! 66 def_bool y
92 67
93 config MMU !! 68 config NEED_SG_DMA_LENGTH
94 def_bool n !! 69 def_bool y
95 select PFAULT <<
96 70
97 config HAVE_XTENSA_GPIO32 !! 71 config GENERIC_ISA_DMA
98 def_bool n !! 72 bool
>> 73 default y
99 74
100 config KASAN_SHADOW_OFFSET !! 75 source "init/Kconfig"
101 hex !! 76 source "kernel/Kconfig.freezer"
102 default 0x6e400000 <<
103 77
104 config CPU_BIG_ENDIAN <<
105 def_bool $(success,test "$(shell,echo <<
106 78
107 config CPU_LITTLE_ENDIAN !! 79 menu "System setup"
108 def_bool !CPU_BIG_ENDIAN <<
109 80
110 config CC_HAVE_CALL0_ABI !! 81 choice
111 def_bool $(success,test "$(shell,echo !! 82 prompt "Alpha system type"
>> 83 default ALPHA_GENERIC
>> 84 ---help---
>> 85 This is the system type of your hardware. A "generic" kernel will
>> 86 run on any supported Alpha system. However, if you configure a
>> 87 kernel for your specific system, it will be faster and smaller.
112 88
113 menu "Processor type and features" !! 89 To find out what type of Alpha system you have, you may want to
>> 90 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 91 <http://www.alphalinux.org/>. In summary:
114 92
115 choice !! 93 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
116 prompt "Xtensa Processor Configuration !! 94 Alpha-XL XL-233, XL-266
117 default XTENSA_VARIANT_FSF !! 95 AlphaBook1 Alpha laptop
>> 96 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 97 Cabriolet AlphaPC64, AlphaPCI64
>> 98 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 99 EB164 EB164 21164 evaluation board
>> 100 EB64+ EB64+ 21064 evaluation board
>> 101 EB66 EB66 21066 evaluation board
>> 102 EB66+ EB66+ 21066 evaluation board
>> 103 Jensen DECpc 150, DEC 2000 models 300, 500
>> 104 LX164 AlphaPC164-LX
>> 105 Lynx AS 2100A
>> 106 Miata Personal Workstation 433/500/600 a/au
>> 107 Marvel AlphaServer ES47 / ES80 / GS1280
>> 108 Mikasa AS 1000
>> 109 Noname AXPpci33, UDB (Multia)
>> 110 Noritake AS 1000A, AS 600A, AS 800
>> 111 PC164 AlphaPC164
>> 112 Rawhide AS 1200, AS 4000, AS 4100
>> 113 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 114 SX164 AlphaPC164-SX
>> 115 Sable AS 2000, AS 2100
>> 116 Shark DS 20L
>> 117 Takara Takara (OEM)
>> 118 Titan AlphaServer ES45 / DS25 / DS15
>> 119 Wildfire AlphaServer GS 40/80/160/320
118 120
119 config XTENSA_VARIANT_FSF !! 121 If you don't know what to do, choose "generic".
120 bool "fsf - default (not generic) conf <<
121 select MMU <<
122 122
123 config XTENSA_VARIANT_DC232B !! 123 config ALPHA_GENERIC
124 bool "dc232b - Diamond 232L Standard C !! 124 bool "Generic"
125 select MMU !! 125 depends on TTY
126 select HAVE_XTENSA_GPIO32 <<
127 help 126 help
128 This variant refers to Tensilica's D !! 127 A generic kernel will run on all supported Alpha hardware.
129 128
130 config XTENSA_VARIANT_DC233C !! 129 config ALPHA_ALCOR
131 bool "dc233c - Diamond 233L Standard C !! 130 bool "Alcor/Alpha-XLT"
132 select MMU <<
133 select HAVE_XTENSA_GPIO32 <<
134 help 131 help
135 This variant refers to Tensilica's D !! 132 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 133 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 134 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 135 controller (256-bit memory bus) and a PCI interface. It also does
>> 136 all the work required to support an external Bcache and to maintain
>> 137 memory coherence when a PCI device DMAs into (or out of) memory.
136 138
137 config XTENSA_VARIANT_CUSTOM !! 139 config ALPHA_XL
138 bool "Custom Xtensa processor configur !! 140 bool "Alpha-XL"
139 select HAVE_XTENSA_GPIO32 <<
140 help 141 help
141 Select this variant to use a custom !! 142 XL-233 and XL-266-based Alpha systems.
142 You will be prompted for a processor <<
143 endchoice <<
144 143
145 config XTENSA_VARIANT_CUSTOM_NAME !! 144 config ALPHA_BOOK1
146 string "Xtensa Processor Custom Core V !! 145 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 146 help
174 Enable if core variant has Performan !! 147 Dec AlphaBook1/Burns Alpha-based laptops.
175 External Registers Interface. <<
176 148
177 If unsure, say N. !! 149 config ALPHA_AVANTI_CH
>> 150 bool "Avanti"
178 151
179 config XTENSA_FAKE_NMI !! 152 config ALPHA_CABRIOLET
180 bool "Treat PMM IRQ as NMI" !! 153 bool "Cabriolet"
181 depends on XTENSA_VARIANT_HAVE_PERF_EV <<
182 default n <<
183 help 154 help
184 If PMM IRQ is the only IRQ at EXCM l !! 155 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
185 treat it as NMI, which improves accu !! 156 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
>> 157 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
>> 158 Bcache SIMMs. Requires power supply with 3.3V output.
186 159
187 If there are other interrupts at or !! 160 config ALPHA_DP264
188 but not above the EXCM level, PMM IR !! 161 bool "DP264"
189 but only if these IRQs are not used. !! 162 help
190 saying that this is not safe, and a !! 163 Various 21264 systems with the tsunami core logic chipset.
191 actually fire. !! 164 API Networks: 264DP, UP2000(+), CS20;
192 !! 165 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
193 If unsure, say N. <<
194 166
195 config PFAULT !! 167 config ALPHA_EB164
196 bool "Handle protection faults" if EXP !! 168 bool "EB164"
197 default y <<
198 help 169 help
199 Handle protection faults. MMU config !! 170 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
200 noMMU configurations may disable it !! 171 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
201 generates protection faults or fault !! 172 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 173 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 174 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 175 motherboard. Requires power supply with 3.3V output.
202 176
203 If unsure, say Y. !! 177 config ALPHA_EB64P_CH
>> 178 bool "EB64+"
204 179
205 config XTENSA_UNALIGNED_USER !! 180 config ALPHA_EB66
206 bool "Unaligned memory access in user !! 181 bool "EB66"
207 help 182 help
208 The Xtensa architecture currently do !! 183 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
209 memory accesses in hardware but thro !! 184 identical to EB64+. Baby PC-AT size. Runs from standard PC power
210 Per default, unaligned memory access !! 185 supply. The EB66 schematic was published as a marketing poster
>> 186 advertising the 21066 as "the first microprocessor in the world with
>> 187 embedded PCI".
211 188
212 Say Y here to enable unaligned memor !! 189 config ALPHA_EB66P
>> 190 bool "EB66+"
>> 191 help
>> 192 Later variant of the EB66 board.
213 193
214 config XTENSA_LOAD_STORE !! 194 config ALPHA_EIGER
215 bool "Load/store exception handler for !! 195 bool "Eiger"
216 help 196 help
217 The Xtensa architecture only allows !! 197 Apparently an obscure OEM single-board computer based on the
218 instruction bus with l32r and l32i i !! 198 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 <<
222 199
223 Say Y here to enable exception handl !! 200 config ALPHA_JENSEN
224 byte and 2-byte access to memory att !! 201 bool "Jensen"
>> 202 help
>> 203 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
>> 204 of the first-generation Alpha systems. A number of these systems
>> 205 seem to be available on the second- hand market. The Jensen is a
>> 206 floor-standing tower system which originally used a 150MHz 21064 It
>> 207 used programmable logic to interface a 486 EISA I/O bridge to the
>> 208 CPU.
225 209
226 config HAVE_SMP !! 210 config ALPHA_LX164
227 bool "System Supports SMP (MX)" !! 211 bool "LX164"
228 depends on XTENSA_VARIANT_CUSTOM <<
229 select XTENSA_MX <<
230 help 212 help
231 This option is used to indicate that !! 213 A technical overview of this board is available at
232 supports Multiprocessing. Multiproce !! 214 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
233 the CPU core definition and currentl <<
234 215
235 Multiprocessor support is implemente !! 216 config ALPHA_LYNX
236 interrupt controllers. !! 217 bool "Lynx"
>> 218 help
>> 219 AlphaServer 2100A-based systems.
237 220
238 The MX interrupt distributer adds In !! 221 config ALPHA_MARVEL
239 and causes the IRQ numbers to be inc !! 222 bool "Marvel"
240 like the open cores ethernet driver !! 223 help
>> 224 AlphaServer ES47 / ES80 / GS1280 based on EV7.
241 225
242 You still have to select "Enable SMP !! 226 config ALPHA_MIATA
>> 227 bool "Miata"
>> 228 help
>> 229 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
>> 230 or 600au).
243 231
244 config SMP !! 232 config ALPHA_MIKASA
245 bool "Enable Symmetric multi-processin !! 233 bool "Mikasa"
246 depends on HAVE_SMP <<
247 select GENERIC_SMP_IDLE_THREAD <<
248 help 234 help
249 Enabled SMP Software; allows more th !! 235 AlphaServer 1000-based Alpha systems.
250 to be activated during startup. <<
251 236
252 config NR_CPUS !! 237 config ALPHA_NAUTILUS
253 depends on SMP !! 238 bool "Nautilus"
254 int "Maximum number of CPUs (2-32)" !! 239 help
255 range 2 32 !! 240 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
256 default "4" <<
257 241
258 config HOTPLUG_CPU !! 242 config ALPHA_NONAME_CH
259 bool "Enable CPU hotplug support" !! 243 bool "Noname"
260 depends on SMP !! 244
>> 245 config ALPHA_NORITAKE
>> 246 bool "Noritake"
261 help 247 help
262 Say Y here to allow turning CPUs off !! 248 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
263 controlled through /sys/devices/syst !! 249 systems.
264 250
265 Say N if you want to disable CPU hot !! 251 config ALPHA_PC164
>> 252 bool "PC164"
266 253
267 config SECONDARY_RESET_VECTOR !! 254 config ALPHA_P2K
268 bool "Secondary cores use alternative !! 255 bool "Platform2000"
269 default y !! 256
270 depends on HAVE_SMP !! 257 config ALPHA_RAWHIDE
>> 258 bool "Rawhide"
271 help 259 help
272 Secondary cores may be configured to !! 260 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
273 or all cores may use primary reset v !! 261 See HOWTO at
274 Say Y here to supply handler for the !! 262 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
275 263
276 config FAST_SYSCALL_XTENSA !! 264 config ALPHA_RUFFIAN
277 bool "Enable fast atomic syscalls" !! 265 bool "Ruffian"
278 default n <<
279 help 266 help
280 fast_syscall_xtensa is a syscall tha !! 267 Samsung APC164UX. There is a page on known problems and workarounds
281 on UP kernel when processor has no s !! 268 at <http://www.alphalinux.org/faq/FAQ-11.html>.
282 269
283 This syscall is deprecated. It may h !! 270 config ALPHA_RX164
284 invalid arguments. It is provided on !! 271 bool "RX164"
285 Only enable it if your userspace sof <<
286 272
287 If unsure, say N. !! 273 config ALPHA_SX164
>> 274 bool "SX164"
288 275
289 config FAST_SYSCALL_SPILL_REGISTERS !! 276 config ALPHA_SABLE
290 bool "Enable spill registers syscall" !! 277 bool "Sable"
291 default n <<
292 help 278 help
293 fast_syscall_spill_registers is a sy !! 279 Digital AlphaServer 2000 and 2100-based systems.
294 register windows of a calling usersp <<
295 280
296 This syscall is deprecated. It may h !! 281 config ALPHA_SHARK
297 invalid arguments. It is provided on !! 282 bool "Shark"
298 Only enable it if your userspace sof <<
299 283
300 If unsure, say N. !! 284 config ALPHA_TAKARA
>> 285 bool "Takara"
>> 286 help
>> 287 Alpha 11164-based OEM single-board computer.
301 288
302 choice !! 289 config ALPHA_TITAN
303 prompt "Kernel ABI" !! 290 bool "Titan"
304 default KERNEL_ABI_DEFAULT !! 291 help
>> 292 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
>> 293
>> 294 config ALPHA_WILDFIRE
>> 295 bool "Wildfire"
305 help 296 help
306 Select ABI for the kernel code. This !! 297 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. <<
331 298
332 endchoice 299 endchoice
333 300
334 config USER_ABI_CALL0 !! 301 # clear all implied options (don't want default values for those):
>> 302 # Most of these machines have ISA slots; not exactly sure which don't,
>> 303 # and this doesn't activate hordes of code, so do it always.
>> 304 config ISA
335 bool 305 bool
336 !! 306 default y
337 choice <<
338 prompt "Userspace ABI" <<
339 default USER_ABI_DEFAULT <<
340 help 307 help
341 Select supported userspace ABI. !! 308 Find out whether you have ISA slots on your motherboard. ISA is the
>> 309 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 310 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 311 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 312 newer boards don't support it. If you have ISA, say Y, otherwise N.
342 313
343 If unsure, choose the default ABI. !! 314 config ISA_DMA_API
>> 315 bool
>> 316 default y
344 317
345 config USER_ABI_DEFAULT !! 318 config PCI
346 bool "Default ABI only" !! 319 bool
>> 320 depends on !ALPHA_JENSEN
>> 321 select GENERIC_PCI_IOMAP
>> 322 default y
347 help 323 help
348 Assume default userspace ABI. For XE !! 324 Find out whether you have a PCI motherboard. PCI is the name of a
349 call0 ABI binaries may be run on suc !! 325 bus system, i.e. the way the CPU talks to the other stuff inside
350 will not work correctly for them. !! 326 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or
>> 327 VESA. If you have PCI, say Y, otherwise N.
351 328
352 config USER_ABI_CALL0_ONLY !! 329 config PCI_DOMAINS
353 bool "Call0 ABI only" !! 330 bool
354 select USER_ABI_CALL0 !! 331 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 <<
359 332
360 Choose this option if you're plannin !! 333 config PCI_SYSCALL
361 built with call0 ABI. !! 334 def_bool PCI
362 335
363 config USER_ABI_CALL0_PROBE !! 336 config IOMMU_HELPER
364 bool "Support both windowed and call0 !! 337 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. <<
372 338
373 This option should be enabled for th !! 339 config ALPHA_NONAME
374 both call0 and windowed ABIs in user !! 340 bool
>> 341 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 342 default y
>> 343 help
>> 344 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
>> 345 UDB). This design was produced by Digital's Technical OEM (TOEM)
>> 346 group. It uses the 21066 processor running at 166MHz or 233MHz. It
>> 347 is a baby-AT size, and runs from a standard PC power supply. It has
>> 348 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 349 2 versions, with either PS/2 or large DIN connectors for the
>> 350 keyboard.
375 351
376 Note that Xtensa ISA does not guaran !! 352 config ALPHA_EV4
377 raise an illegal instruction excepti !! 353 bool
378 PS.WOE is disabled, check whether th !! 354 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
>> 355 default y if !ALPHA_LYNX
379 356
380 endchoice !! 357 config ALPHA_LCA
>> 358 bool
>> 359 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
>> 360 default y
381 361
382 endmenu !! 362 config ALPHA_APECS
>> 363 bool
>> 364 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
>> 365 default y
383 366
384 config XTENSA_CALIBRATE_CCOUNT !! 367 config ALPHA_EB64P
385 def_bool n !! 368 bool
>> 369 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 370 default y
386 help 371 help
387 On some platforms (XT2000, for examp !! 372 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
388 vary. The frequency can be determin !! 373 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
389 against a well known, fixed frequenc !! 374 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 375 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 376 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 377 Runs from standard PC power supply.
>> 378
>> 379 config ALPHA_EV5
>> 380 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 381 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
390 382
391 config SERIAL_CONSOLE !! 383 config ALPHA_EV4
392 def_bool n !! 384 bool
>> 385 default y if ALPHA_LYNX && !ALPHA_EV5
393 386
394 config PLATFORM_HAVE_XIP !! 387 config ALPHA_CIA
395 def_bool n !! 388 bool
>> 389 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
>> 390 default y
396 391
397 menu "Platform options" !! 392 config ALPHA_EV56
>> 393 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 394 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
398 395
399 choice !! 396 config ALPHA_EV56
400 prompt "Xtensa System Type" !! 397 prompt "EV56 CPU (speed >= 333MHz)?"
401 default XTENSA_PLATFORM_ISS !! 398 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 399
>> 400 config ALPHA_EV56
>> 401 prompt "EV56 CPU (speed >= 400MHz)?"
>> 402 depends on ALPHA_RAWHIDE
402 403
403 config XTENSA_PLATFORM_ISS !! 404 config ALPHA_PRIMO
404 bool "ISS" !! 405 bool "EV5 CPU daughtercard (model 5/xxx)?"
405 select XTENSA_CALIBRATE_CCOUNT !! 406 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 407 help
424 XTFPGA is the name of Tensilica boar !! 408 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
425 This hardware is capable of running <<
426 409
427 endchoice !! 410 config ALPHA_GAMMA
>> 411 bool "EV5 CPU(s) (model 5/xxx)?"
>> 412 depends on ALPHA_SABLE
>> 413 help
>> 414 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
428 415
429 config PLATFORM_NR_IRQS !! 416 config ALPHA_GAMMA
430 int !! 417 bool
431 default 3 if XTENSA_PLATFORM_XT2000 !! 418 depends on ALPHA_LYNX
432 default 0 !! 419 default y
433 420
434 config XTENSA_CPU_CLOCK !! 421 config ALPHA_T2
435 int "CPU clock rate [MHz]" !! 422 bool
436 depends on !XTENSA_CALIBRATE_CCOUNT !! 423 depends on ALPHA_SABLE || ALPHA_LYNX
437 default 16 !! 424 default y
438 425
439 config GENERIC_CALIBRATE_DELAY !! 426 config ALPHA_PYXIS
440 bool "Auto calibration of the BogoMIPS !! 427 bool
441 help !! 428 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
442 The BogoMIPS value can easily be der !! 429 default y
443 430
444 config CMDLINE_BOOL !! 431 config ALPHA_EV6
445 bool "Default bootloader kernel argume !! 432 bool
>> 433 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 434 default y
446 435
447 config CMDLINE !! 436 config ALPHA_TSUNAMI
448 string "Initial kernel command string" !! 437 bool
449 depends on CMDLINE_BOOL !! 438 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
450 default "console=ttyS0,38400 root=/dev !! 439 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 <<
457 440
458 config USE_OF !! 441 config ALPHA_EV67
459 bool "Flattened Device Tree support" !! 442 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
460 select OF !! 443 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
461 select OF_EARLY_FLATTREE <<
462 help 444 help
463 Include support for flattened device !! 445 Is this a machine based on the EV67 core? If in doubt, select N here
>> 446 and the machine will be treated as an EV6.
464 447
465 config BUILTIN_DTB_SOURCE !! 448 config ALPHA_MCPCIA
466 string "DTB to build into the kernel i !! 449 bool
467 depends on OF !! 450 depends on ALPHA_RAWHIDE
>> 451 default y
468 452
469 config PARSE_BOOTPARAM !! 453 config ALPHA_POLARIS
470 bool "Parse bootparam block" !! 454 bool
>> 455 depends on ALPHA_RX164
>> 456 default y
>> 457
>> 458 config ALPHA_IRONGATE
>> 459 bool
>> 460 depends on ALPHA_NAUTILUS
471 default y 461 default y
472 help <<
473 Parse parameters passed to the kerne <<
474 be disabled if the kernel is known t <<
475 462
476 If unsure, say Y. !! 463 config GENERIC_HWEIGHT
>> 464 bool
>> 465 default y if !ALPHA_EV67
477 466
478 choice !! 467 config ALPHA_AVANTI
479 prompt "Semihosting interface" !! 468 bool
480 default XTENSA_SIMCALL_ISS !! 469 depends on ALPHA_XL || ALPHA_AVANTI_CH
481 depends on XTENSA_PLATFORM_ISS !! 470 default y
482 help 471 help
483 Choose semihosting interface that wi !! 472 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
484 block device and networking. !! 473 Alphas. Info at
>> 474 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
485 475
486 config XTENSA_SIMCALL_ISS !! 476 config ALPHA_BROKEN_IRQ_MASK
487 bool "simcall" !! 477 bool
488 help !! 478 depends on ALPHA_GENERIC || ALPHA_PC164
489 Use simcall instruction. simcall is !! 479 default y
490 it does nothing on hardware. <<
491 480
492 config XTENSA_SIMCALL_GDBIO !! 481 config VGA_HOSE
493 bool "GDBIO" !! 482 bool
>> 483 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 484 default y
494 help 485 help
495 Use break instruction. It is availab !! 486 Support VGA on an arbitrary hose; needed for several platforms
496 is attached to it via JTAG. !! 487 which always have multiple hoses, and whose consoles support it.
497 488
498 endchoice <<
499 489
500 config BLK_DEV_SIMDISK !! 490 config ALPHA_SRM
501 tristate "Host file-based simulated bl !! 491 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
502 default n !! 492 depends on TTY
503 depends on XTENSA_PLATFORM_ISS && BLOC !! 493 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
504 help !! 494 ---help---
505 Create block devices that map to fil !! 495 There are two different types of booting firmware on Alphas: SRM,
506 Device binding to host file may be c !! 496 which is command line driven, and ARC, which uses menus and arrow
507 interface provided the device is not !! 497 keys. Details about the Linux/Alpha booting process are contained in
508 !! 498 the Linux/Alpha FAQ, accessible on the WWW from
509 config BLK_DEV_SIMDISK_COUNT !! 499 <http://www.alphalinux.org/>.
510 int "Number of host file-based simulat !! 500
511 range 1 10 !! 501 The usual way to load Linux on an Alpha machine is to use MILO
512 depends on BLK_DEV_SIMDISK !! 502 (a bootloader that lets you pass command line parameters to the
513 default 2 !! 503 kernel just like lilo does for the x86 architecture) which can be
514 help !! 504 loaded either from ARC or can be installed directly as a permanent
515 This is the default minimal number o !! 505 firmware replacement from floppy (which requires changing a certain
516 Kernel/module parameter 'simdisk_cou !! 506 jumper on the motherboard). If you want to do either of these, say N
517 value at runtime. More file names (b !! 507 here. If MILO doesn't work on your system (true for Jensen
518 specified as parameters, simdisk_cou !! 508 motherboards), you can bypass it altogether and boot Linux directly
519 !! 509 from an SRM console; say Y here in order to do that. Note that you
520 config SIMDISK0_FILENAME !! 510 won't be able to boot from an IDE disk using SRM.
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. <<
544 511
545 If unsure, say N. 512 If unsure, say N.
546 513
547 config XTFPGA_LCD_BASE_ADDR !! 514 config EISA
548 hex "XTFPGA LCD base address" !! 515 bool
549 depends on XTFPGA_LCD !! 516 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE
550 default "0x0d0c0000" !! 517 default y
551 help <<
552 Base address of the LCD controller i <<
553 Different boards from XTFPGA family <<
554 addresses. Please consult prototypin <<
555 the correct address. Wrong address h <<
556 <<
557 config XTFPGA_LCD_8BIT_ACCESS <<
558 bool "Use 8-bit access to XTFPGA LCD" <<
559 depends on XTFPGA_LCD <<
560 default n <<
561 help <<
562 LCD may be connected with 4- or 8-bi <<
563 only be used with 8-bit interface. P <<
564 guide for your board for the correct <<
565 <<
566 comment "Kernel memory layout" <<
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/ <<
616 518
617 If unsure, say N. !! 519 config ARCH_MAY_HAVE_PC_FDC
>> 520 def_bool y
618 521
619 config MEMMAP_CACHEATTR !! 522 config SMP
620 hex "Cache attributes for the memory a !! 523 bool "Symmetric multi-processing support"
621 depends on !MMU !! 524 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
622 default 0x22222222 !! 525 select USE_GENERIC_SMP_HELPERS
623 help !! 526 ---help---
624 These cache attributes are set up fo !! 527 This enables support for systems with more than one CPU. If you have
625 specifies cache attributes for the c !! 528 a system with only one CPU, like most personal computers, say N. If
626 region: bits 0..3 -- for addresses 0 !! 529 you have a system with more than one CPU, say Y.
627 bits 4..7 -- for addresses 0x2000000 !! 530
628 !! 531 If you say N here, the kernel will run on single and multiprocessor
629 Cache attribute values are specific !! 532 machines, but will use only one CPU of a multiprocessor machine. If
630 For region protection MMUs: !! 533 you say Y here, the kernel will run on many, but not all,
631 1: WT cached, !! 534 singleprocessor machines. On a singleprocessor machine, the kernel
632 2: cache bypass, !! 535 will run faster if you say N here.
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. <<
682 536
683 If unsure, leave the default value h !! 537 See also the SMP-HOWTO available at
>> 538 <http://www.tldp.org/docs.html#howto>.
684 539
685 choice !! 540 If you don't know what to do here, say N.
686 prompt "Relocatable vectors location" !! 541
687 default XTENSA_VECTORS_IN_TEXT !! 542 config HAVE_DEC_LOCK
>> 543 bool
>> 544 depends on SMP
>> 545 default y
>> 546
>> 547 config NR_CPUS
>> 548 int "Maximum number of CPUs (2-32)"
>> 549 range 2 32
>> 550 depends on SMP
>> 551 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 552 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
688 help 553 help
689 Choose whether relocatable vectors a !! 554 MARVEL support can handle a maximum of 32 CPUs, all the others
690 or placed separately at runtime. Thi !! 555 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. <<
710 556
711 endchoice !! 557 config ARCH_DISCONTIGMEM_ENABLE
>> 558 bool "Discontiguous Memory Support"
>> 559 help
>> 560 Say Y to support efficient handling of discontiguous physical memory,
>> 561 for architectures which are either NUMA (Non-Uniform Memory Access)
>> 562 or have huge holes in the physical address space for other reasons.
>> 563 See <file:Documentation/vm/numa> for more.
>> 564
>> 565 source "mm/Kconfig"
712 566
713 config VECTORS_ADDR !! 567 config NUMA
714 hex "Kernel vectors virtual address" !! 568 bool "NUMA Support (EXPERIMENTAL)"
715 default 0x00000000 !! 569 depends on DISCONTIGMEM && BROKEN
716 depends on XTENSA_VECTORS_SEPARATE <<
717 help <<
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 570 help
738 This is the base address used for bo !! 571 Say Y to compile the kernel to support NUMA (Non-Uniform Memory
739 in noMMU configurations. !! 572 Access). This option is for configuring high-end multiprocessor
>> 573 server machines. If in doubt, say N.
740 574
741 If unsure, leave the default value h !! 575 config NODES_SHIFT
>> 576 int
>> 577 default "7"
>> 578 depends on NEED_MULTIPLE_NODES
742 579
743 choice !! 580 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
744 prompt "KSEG layout" !! 581 config ALPHA_LARGE_VMALLOC
745 depends on MMU !! 582 bool
746 default XTENSA_KSEG_MMU_V2 !! 583 ---help---
747 !! 584 Process creation and other aspects of virtual memory management can
748 config XTENSA_KSEG_MMU_V2 !! 585 be streamlined if we restrict the kernel to one PGD for all vmalloc
749 bool "MMUv2: 128MB cached + 128MB unca !! 586 allocations. This equates to about 8GB.
750 help !! 587
751 MMUv2 compatible kernel memory map: !! 588 Under normal circumstances, this is so far and above what is needed
752 at KSEG_PADDR to 0xd0000000 with cac !! 589 as to be laughable. However, there are certain applications (such
753 without cache. !! 590 as benchmark-grade in-kernel web serving) that can make use of as
754 KSEG_PADDR must be aligned to 128MB. !! 591 much vmalloc space as is available.
755 !! 592
756 config XTENSA_KSEG_256M !! 593 Say N unless you know you need gobs and gobs of vmalloc space.
757 bool "256MB cached + 256MB uncached" !! 594
758 depends on INITIALIZE_XTENSA_MMU_INSID !! 595 config VERBOSE_MCHECK
759 help !! 596 bool "Verbose Machine Checks"
760 TLB way 6 maps 256MB starting at KSE !! 597
761 with cache and to 0xc0000000 without !! 598 config VERBOSE_MCHECK_ON
762 KSEG_PADDR must be aligned to 256MB. !! 599 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
763 !! 600 depends on VERBOSE_MCHECK
764 config XTENSA_KSEG_512M !! 601 default 1
765 bool "512MB cached + 512MB uncached" !! 602 ---help---
766 depends on INITIALIZE_XTENSA_MMU_INSID !! 603 This option allows the default printing mode to be set, and then
767 help !! 604 possibly overridden by a boot command argument.
768 TLB way 6 maps 512MB starting at KSE !! 605
769 with cache and to 0xc0000000 without !! 606 For example, if one wanted the option of printing verbose
770 KSEG_PADDR must be aligned to 256MB. !! 607 machine checks, but wanted the default to be as if verbose
>> 608 machine check printing was turned off, then one would choose
>> 609 the printing mode to be 0. Then, upon reboot, one could add
>> 610 the boot command line "verbose_mcheck=1" to get the normal
>> 611 verbose machine check printing, or "verbose_mcheck=2" to get
>> 612 the maximum information available.
771 613
772 endchoice !! 614 Take the default (1) unless you want more control or more info.
773 615
774 config HIGHMEM !! 616 config HZ
775 bool "High Memory Support" !! 617 int
776 depends on MMU !! 618 default 1200 if ALPHA_RAWHIDE
777 select KMAP_LOCAL !! 619 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 <<
804 620
805 Don't change if unsure. !! 621 source "drivers/pci/Kconfig"
>> 622 source "drivers/eisa/Kconfig"
806 623
807 endmenu !! 624 source "drivers/pcmcia/Kconfig"
808 625
809 menu "Power management options" !! 626 config SRM_ENV
>> 627 tristate "SRM environment through procfs"
>> 628 depends on PROC_FS
>> 629 ---help---
>> 630 If you enable this option, a subdirectory inside /proc called
>> 631 /proc/srm_environment will give you access to the all important
>> 632 SRM environment variables (those which have a name) and also
>> 633 to all others (by their internal number).
>> 634
>> 635 SRM is something like a BIOS for Alpha machines. There are some
>> 636 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 637 support (hey, that's not SRM!).
>> 638
>> 639 Despite the fact that this driver doesn't work on all Alphas (but
>> 640 only on those which have SRM as their firmware), it's save to
>> 641 build it even if your particular machine doesn't know about SRM
>> 642 (or if you intend to compile a generic kernel). It will simply
>> 643 not create those subdirectory in /proc (and give you some warning,
>> 644 of course).
810 645
811 config ARCH_HIBERNATION_POSSIBLE !! 646 This driver is also available as a module and will be called
812 def_bool y !! 647 srm_env then.
813 648
814 source "kernel/power/Kconfig" !! 649 source "fs/Kconfig.binfmt"
815 650
816 endmenu 651 endmenu
>> 652
>> 653 source "net/Kconfig"
>> 654
>> 655 source "drivers/Kconfig"
>> 656
>> 657 source "fs/Kconfig"
>> 658
>> 659 source "arch/alpha/Kconfig.debug"
>> 660
>> 661 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 662 # but we also need it if VGA_HOSE is set
>> 663 config DUMMY_CONSOLE
>> 664 bool
>> 665 depends on VGA_HOSE
>> 666 default y
>> 667
>> 668 source "security/Kconfig"
>> 669
>> 670 source "crypto/Kconfig"
>> 671
>> 672 source "lib/Kconfig"
>> 673
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