1 # SPDX-License-Identifier: GPL-2.0-only !! 1 # SPDX-License-Identifier: GPL-2.0
2 # !! 2 config ALPHA
3 # Copyright (C) 2004, 2007-2010, 2011-2012 Syn !! 3 bool
4 # !! 4 default y
5 !! 5 select ARCH_32BIT_USTAT_F_TINODE
6 config ARC !! 6 select ARCH_MIGHT_HAVE_PC_PARPORT
7 def_bool y !! 7 select ARCH_MIGHT_HAVE_PC_SERIO
8 select ARC_TIMERS !! 8 select ARCH_NO_PREEMPT
9 select ARCH_HAS_CACHE_LINE_SIZE !! 9 select ARCH_NO_SG_CHAIN
10 select ARCH_HAS_DEBUG_VM_PGTABLE !! 10 select ARCH_USE_CMPXCHG_LOCKREF
11 select ARCH_HAS_DMA_PREP_COHERENT !! 11 select DMA_OPS if PCI
12 select ARCH_HAS_PTE_SPECIAL !! 12 select FORCE_PCI if !ALPHA_JENSEN
13 select ARCH_HAS_SETUP_DMA_OPS !! 13 select PCI_DOMAINS if PCI
14 select ARCH_HAS_SYNC_DMA_FOR_CPU !! 14 select PCI_SYSCALL if PCI
15 select ARCH_HAS_SYNC_DMA_FOR_DEVICE !! 15 select HAVE_ASM_MODVERSIONS
16 select ARCH_NEED_CMPXCHG_1_EMU !! 16 select HAVE_PCSPKR_PLATFORM
17 select ARCH_SUPPORTS_ATOMIC_RMW if ARC !! 17 select HAVE_PERF_EVENTS
18 select ARCH_32BIT_OFF_T !! 18 select NEED_DMA_MAP_STATE
19 select BUILDTIME_TABLE_SORT !! 19 select NEED_SG_DMA_LENGTH
20 select CLONE_BACKWARDS !! 20 select GENERIC_IRQ_PROBE
21 select COMMON_CLK <<
22 select DMA_DIRECT_REMAP <<
23 select GENERIC_ATOMIC64 if !ISA_ARCV2 <<
24 # for now, we don't need GENERIC_IRQ_P <<
25 select GENERIC_IRQ_SHOW <<
26 select GENERIC_PCI_IOMAP 21 select GENERIC_PCI_IOMAP
27 select GENERIC_PENDING_IRQ if SMP !! 22 select AUTO_IRQ_AFFINITY if SMP
28 select GENERIC_SCHED_CLOCK !! 23 select GENERIC_IRQ_SHOW
>> 24 select ARCH_WANT_IPC_PARSE_VERSION
>> 25 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 26 select AUDIT_ARCH
>> 27 select GENERIC_CPU_VULNERABILITIES
29 select GENERIC_SMP_IDLE_THREAD 28 select GENERIC_SMP_IDLE_THREAD
30 select GENERIC_IOREMAP !! 29 select HAVE_ARCH_AUDITSYSCALL
31 select GENERIC_STRNCPY_FROM_USER if MM <<
32 select GENERIC_STRNLEN_USER if MMU <<
33 select HAVE_ARCH_KGDB <<
34 select HAVE_ARCH_TRACEHOOK <<
35 select HAVE_ARCH_TRANSPARENT_HUGEPAGE <<
36 select HAVE_DEBUG_STACKOVERFLOW <<
37 select HAVE_DEBUG_KMEMLEAK <<
38 select HAVE_IOREMAP_PROT <<
39 select HAVE_KERNEL_GZIP <<
40 select HAVE_KERNEL_LZMA <<
41 select HAVE_KPROBES <<
42 select HAVE_KRETPROBES <<
43 select HAVE_REGS_AND_STACK_ACCESS_API <<
44 select HAVE_MOD_ARCH_SPECIFIC 30 select HAVE_MOD_ARCH_SPECIFIC
45 select HAVE_PERF_EVENTS <<
46 select HAVE_SYSCALL_TRACEPOINTS <<
47 select IRQ_DOMAIN <<
48 select LOCK_MM_AND_FIND_VMA <<
49 select MODULES_USE_ELF_RELA 31 select MODULES_USE_ELF_RELA
50 select OF !! 32 select ODD_RT_SIGACTION
51 select OF_EARLY_FLATTREE !! 33 select OLD_SIGSUSPEND
52 select PCI_SYSCALL if PCI !! 34 select CPU_NO_EFFICIENT_FFS if !ALPHA_EV67
53 select HAVE_ARCH_JUMP_LABEL if ISA_ARC !! 35 select MMU_GATHER_NO_RANGE
54 select TRACE_IRQFLAGS_SUPPORT !! 36 select SPARSEMEM_EXTREME if SPARSEMEM
55 select HAVE_EBPF_JIT if ISA_ARCV2 !! 37 select ZONE_DMA
>> 38 help
>> 39 The Alpha is a 64-bit general-purpose processor designed and
>> 40 marketed by the Digital Equipment Corporation of blessed memory,
>> 41 now Hewlett-Packard. The Alpha Linux project has a home page at
>> 42 <http://www.alphalinux.org/>.
56 43
57 config LOCKDEP_SUPPORT !! 44 config 64BIT
58 def_bool y <<
59 <<
60 config SCHED_OMIT_FRAME_POINTER <<
61 def_bool y <<
62 <<
63 config GENERIC_CSUM <<
64 def_bool y <<
65 <<
66 config ARCH_FLATMEM_ENABLE <<
67 def_bool y 45 def_bool y
68 46
69 config MMU 47 config MMU
70 def_bool y !! 48 bool
>> 49 default y
71 50
72 config NO_IOPORT_MAP !! 51 config ARCH_HAS_ILOG2_U32
73 def_bool y !! 52 bool
>> 53 default n
>> 54
>> 55 config ARCH_HAS_ILOG2_U64
>> 56 bool
>> 57 default n
74 58
75 config GENERIC_CALIBRATE_DELAY 59 config GENERIC_CALIBRATE_DELAY
76 def_bool y !! 60 bool
>> 61 default y
77 62
78 config GENERIC_HWEIGHT !! 63 config GENERIC_ISA_DMA
79 def_bool y !! 64 bool
>> 65 default y
80 66
81 config STACKTRACE_SUPPORT !! 67 config PGTABLE_LEVELS
82 def_bool y !! 68 int
83 select STACKTRACE !! 69 default 3
84 70
85 menu "ARC Architecture Configuration" !! 71 config AUDIT_ARCH
>> 72 bool
86 73
87 menu "ARC Platform/SoC/Board" !! 74 menu "System setup"
88 75
89 source "arch/arc/plat-tb10x/Kconfig" !! 76 choice
90 source "arch/arc/plat-axs10x/Kconfig" !! 77 prompt "Alpha system type"
91 source "arch/arc/plat-hsdk/Kconfig" !! 78 default ALPHA_GENERIC
>> 79 help
>> 80 This is the system type of your hardware. A "generic" kernel will
>> 81 run on any supported Alpha system. However, if you configure a
>> 82 kernel for your specific system, it will be faster and smaller.
92 83
93 endmenu !! 84 To find out what type of Alpha system you have, you may want to
>> 85 check out the Linux/Alpha FAQ, accessible on the WWW from
>> 86 <http://www.alphalinux.org/>. In summary:
94 87
95 choice !! 88 Alcor/Alpha-XLT AS 600, AS 500, XL-300, XL-366
96 prompt "ARC Instruction Set" !! 89 Alpha-XL XL-233, XL-266
97 default ISA_ARCV2 !! 90 AlphaBook1 Alpha laptop
>> 91 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400
>> 92 Cabriolet AlphaPC64, AlphaPCI64
>> 93 DP264 DP264 / DS20 / ES40 / DS10 / DS10L
>> 94 EB164 EB164 21164 evaluation board
>> 95 EB64+ EB64+ 21064 evaluation board
>> 96 EB66 EB66 21066 evaluation board
>> 97 EB66+ EB66+ 21066 evaluation board
>> 98 Jensen DECpc 150, DEC 2000 models 300, 500
>> 99 LX164 AlphaPC164-LX
>> 100 Lynx AS 2100A
>> 101 Miata Personal Workstation 433/500/600 a/au
>> 102 Marvel AlphaServer ES47 / ES80 / GS1280
>> 103 Mikasa AS 1000
>> 104 Noname AXPpci33, UDB (Multia)
>> 105 Noritake AS 1000A, AS 600A, AS 800
>> 106 PC164 AlphaPC164
>> 107 Rawhide AS 1200, AS 4000, AS 4100
>> 108 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX
>> 109 SX164 AlphaPC164-SX
>> 110 Sable AS 2000, AS 2100
>> 111 Shark DS 20L
>> 112 Takara Takara (OEM)
>> 113 Titan AlphaServer ES45 / DS25 / DS15
>> 114 Wildfire AlphaServer GS 40/80/160/320
98 115
99 config ISA_ARCOMPACT !! 116 If you don't know what to do, choose "generic".
100 bool "ARCompact ISA" <<
101 select CPU_NO_EFFICIENT_FFS <<
102 help <<
103 The original ARC ISA of ARC600/700 c <<
104 117
105 config ISA_ARCV2 !! 118 config ALPHA_GENERIC
106 bool "ARC ISA v2" !! 119 bool "Generic"
107 select ARC_TIMERS_64BIT !! 120 depends on TTY
>> 121 select HAVE_EISA
108 help 122 help
109 ISA for the Next Generation ARC-HS c !! 123 A generic kernel will run on all supported Alpha hardware.
110 124
111 endchoice !! 125 config ALPHA_ALCOR
>> 126 bool "Alcor/Alpha-XLT"
>> 127 select HAVE_EISA
>> 128 help
>> 129 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data
>> 130 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O
>> 131 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM
>> 132 controller (256-bit memory bus) and a PCI interface. It also does
>> 133 all the work required to support an external Bcache and to maintain
>> 134 memory coherence when a PCI device DMAs into (or out of) memory.
112 135
113 menu "ARC CPU Configuration" !! 136 config ALPHA_XL
>> 137 bool "Alpha-XL"
>> 138 help
>> 139 XL-233 and XL-266-based Alpha systems.
114 140
115 choice !! 141 config ALPHA_BOOK1
116 prompt "ARC Core" !! 142 bool "AlphaBook1"
117 default ARC_CPU_770 if ISA_ARCOMPACT !! 143 help
118 default ARC_CPU_HS if ISA_ARCV2 !! 144 Dec AlphaBook1/Burns Alpha-based laptops.
119 <<
120 config ARC_CPU_770 <<
121 bool "ARC770" <<
122 depends on ISA_ARCOMPACT <<
123 select ARC_HAS_SWAPE <<
124 help <<
125 Support for ARC770 core introduced w <<
126 This core has a bunch of cool new fe <<
127 -MMU-v3: Variable Page Sz (4k, 8k, 1 <<
128 Shared Address Spaces (for <<
129 -Caches: New Prog Model, Region Flus <<
130 -Insns: endian swap, load-locked/sto <<
131 <<
132 config ARC_CPU_HS <<
133 bool "ARC-HS" <<
134 depends on ISA_ARCV2 <<
135 help <<
136 Support for ARC HS38x Cores based on <<
137 The notable features are: <<
138 - SMP configurations of up to 4 co <<
139 - Optional L2 Cache and IO-Coheren <<
140 - Revised Interrupt Architecture ( <<
141 auto stack switch, auto regfil <<
142 - MMUv4 (PIPT dcache, Huge Pages) <<
143 - Instructions for <<
144 * 64bit load/store: LDD, STD <<
145 * Hardware assisted divide/rem <<
146 * Function prologue/epilogue: <<
147 * IRQ enable/disable: CLRI, SE <<
148 * pop count: FFS, FLS <<
149 * SETcc, BMSKN, XBFU... <<
150 145
151 endchoice !! 146 config ALPHA_AVANTI_CH
>> 147 bool "Avanti"
152 148
153 config ARC_TUNE_MCPU !! 149 config ALPHA_CABRIOLET
154 string "Override default -mcpu compile !! 150 bool "Cabriolet"
155 default "" !! 151 help
156 help !! 152 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now
157 Override default -mcpu=xxx compiler !! 153 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA
158 the ISA version) with the specified !! 154 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in
159 NOTE: If specified flag isn't suppor !! 155 Bcache SIMMs. Requires power supply with 3.3V output.
160 ISA default value will be used as a <<
161 156
162 config CPU_BIG_ENDIAN !! 157 config ALPHA_DP264
163 bool "Enable Big Endian Mode" !! 158 bool "DP264"
164 help 159 help
165 Build kernel for Big Endian Mode of !! 160 Various 21264 systems with the tsunami core logic chipset.
>> 161 API Networks: 264DP, UP2000(+), CS20;
>> 162 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40.
166 163
167 config SMP !! 164 config ALPHA_EB164
168 bool "Symmetric Multi-Processing" !! 165 bool "EB164"
169 select ARC_MCIP if ISA_ARCV2 <<
170 help 166 help
171 This enables support for systems wit !! 167 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has
>> 168 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is
>> 169 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in
>> 170 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD,
>> 171 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized
>> 172 motherboard. Requires power supply with 3.3V output.
172 173
173 if SMP !! 174 config ALPHA_EB64P_CH
>> 175 bool "EB64+"
174 176
175 config NR_CPUS !! 177 config ALPHA_EB66
176 int "Maximum number of CPUs (2-4096)" !! 178 bool "EB66"
177 range 2 4096 <<
178 default "4" <<
179 <<
180 config ARC_SMP_HALT_ON_RESET <<
181 bool "Enable Halt-on-reset boot mode" <<
182 help <<
183 In SMP configuration cores can be co <<
184 or they could all start at same time <<
185 masters are parked until Master kick <<
186 at designated entry point. For other <<
187 entry point and spin wait for Master <<
188 <<
189 endif #SMP <<
190 <<
191 config ARC_MCIP <<
192 bool "ARConnect Multicore IP (MCIP) Su <<
193 depends on ISA_ARCV2 <<
194 default y if SMP <<
195 help 179 help
196 This IP block enables SMP in ARC-HS3 !! 180 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is
197 It provides for cross-core interrupt !! 181 identical to EB64+. Baby PC-AT size. Runs from standard PC power
198 hardware semaphores, shared memory,. !! 182 supply. The EB66 schematic was published as a marketing poster
>> 183 advertising the 21066 as "the first microprocessor in the world with
>> 184 embedded PCI".
199 185
200 menuconfig ARC_CACHE !! 186 config ALPHA_EB66P
201 bool "Enable Cache Support" !! 187 bool "EB66+"
202 default y !! 188 help
>> 189 Later variant of the EB66 board.
203 190
204 if ARC_CACHE !! 191 config ALPHA_EIGER
>> 192 bool "Eiger"
>> 193 help
>> 194 Apparently an obscure OEM single-board computer based on the
>> 195 Typhoon/Tsunami chipset family. Information on it is scanty.
205 196
206 config ARC_CACHE_LINE_SHIFT !! 197 config ALPHA_JENSEN
207 int "Cache Line Length (as power of 2) !! 198 bool "Jensen"
208 range 5 7 !! 199 select HAVE_EISA
209 default "6" <<
210 help 200 help
211 Starting with ARC700 4.9, Cache line !! 201 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one
212 This option specifies "N", with Line !! 202 of the first-generation Alpha systems. A number of these systems
213 So line lengths of 32, 64, 128 are s !! 203 seem to be available on the second- hand market. The Jensen is a
214 Linux only supports same line length !! 204 floor-standing tower system which originally used a 150MHz 21064 It
>> 205 used programmable logic to interface a 486 EISA I/O bridge to the
>> 206 CPU.
215 207
216 config ARC_HAS_ICACHE !! 208 config ALPHA_LX164
217 bool "Use Instruction Cache" !! 209 bool "LX164"
218 default y !! 210 help
>> 211 A technical overview of this board is available at
>> 212 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>.
219 213
220 config ARC_HAS_DCACHE !! 214 config ALPHA_LYNX
221 bool "Use Data Cache" !! 215 bool "Lynx"
222 default y !! 216 select HAVE_EISA
>> 217 help
>> 218 AlphaServer 2100A-based systems.
223 219
224 config ARC_CACHE_PAGES !! 220 config ALPHA_MARVEL
225 bool "Per Page Cache Control" !! 221 bool "Marvel"
226 default y !! 222 help
227 depends on ARC_HAS_ICACHE || ARC_HAS_D !! 223 AlphaServer ES47 / ES80 / GS1280 based on EV7.
>> 224
>> 225 config ALPHA_MIATA
>> 226 bool "Miata"
>> 227 select HAVE_EISA
228 help 228 help
229 This can be used to over-ride the gl !! 229 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a,
230 per-page basis (but only for pages a !! 230 or 600au).
231 Kernel Virtual address or User Virtu <<
232 TLB entries have a per-page Cache En <<
233 Note that Global I/D ENABLE + Per Pa <<
234 Global DISABLE + Per Page ENABLE won <<
235 231
236 endif #ARC_CACHE !! 232 config ALPHA_MIKASA
>> 233 bool "Mikasa"
>> 234 help
>> 235 AlphaServer 1000-based Alpha systems.
237 236
238 config ARC_HAS_ICCM !! 237 config ALPHA_NAUTILUS
239 bool "Use ICCM" !! 238 bool "Nautilus"
240 help 239 help
241 Single Cycle RAMS to store Fast Path !! 240 Alpha systems based on the AMD 751 & ALI 1543C chipsets.
242 241
243 config ARC_ICCM_SZ !! 242 config ALPHA_NONAME_CH
244 int "ICCM Size in KB" !! 243 bool "Noname"
245 default "64" <<
246 depends on ARC_HAS_ICCM <<
247 244
248 config ARC_HAS_DCCM !! 245 config ALPHA_NORITAKE
249 bool "Use DCCM" !! 246 bool "Noritake"
>> 247 select HAVE_EISA
250 help 248 help
251 Single Cycle RAMS to store Fast Path !! 249 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based
>> 250 systems.
252 251
253 config ARC_DCCM_SZ !! 252 config ALPHA_PC164
254 int "DCCM Size in KB" !! 253 bool "PC164"
255 default "64" <<
256 depends on ARC_HAS_DCCM <<
257 254
258 config ARC_DCCM_BASE !! 255 config ALPHA_P2K
259 hex "DCCM map address" !! 256 bool "Platform2000"
260 default "0xA0000000" <<
261 depends on ARC_HAS_DCCM <<
262 257
263 choice !! 258 config ALPHA_RAWHIDE
264 prompt "MMU Version" !! 259 bool "Rawhide"
265 default ARC_MMU_V3 if ISA_ARCOMPACT !! 260 select HAVE_EISA
266 default ARC_MMU_V4 if ISA_ARCV2 !! 261 help
267 !! 262 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines.
268 config ARC_MMU_V3 !! 263 See HOWTO at
269 bool "MMU v3" !! 264 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>.
270 depends on ISA_ARCOMPACT <<
271 help <<
272 Introduced with ARC700 4.10: New Fea <<
273 Variable Page size (1k-16k), var JTL <<
274 Shared Address Spaces (SASID) <<
275 <<
276 config ARC_MMU_V4 <<
277 bool "MMU v4" <<
278 depends on ISA_ARCV2 <<
279 265
280 endchoice !! 266 config ALPHA_RUFFIAN
>> 267 bool "Ruffian"
>> 268 help
>> 269 Samsung APC164UX. There is a page on known problems and workarounds
>> 270 at <http://www.alphalinux.org/faq/FAQ-11.html>.
281 271
>> 272 config ALPHA_RX164
>> 273 bool "RX164"
282 274
283 choice !! 275 config ALPHA_SX164
284 prompt "MMU Page Size" !! 276 bool "SX164"
285 default ARC_PAGE_SIZE_8K <<
286 277
287 config ARC_PAGE_SIZE_8K !! 278 config ALPHA_SABLE
288 bool "8KB" !! 279 bool "Sable"
289 select HAVE_PAGE_SIZE_8KB !! 280 select HAVE_EISA
290 help !! 281 help
291 Choose between 8k vs 16k !! 282 Digital AlphaServer 2000 and 2100-based systems.
292 <<
293 config ARC_PAGE_SIZE_16K <<
294 select HAVE_PAGE_SIZE_16KB <<
295 bool "16KB" <<
296 <<
297 config ARC_PAGE_SIZE_4K <<
298 bool "4KB" <<
299 select HAVE_PAGE_SIZE_4KB <<
300 depends on ARC_MMU_V3 || ARC_MMU_V4 <<
301 283
302 endchoice !! 284 config ALPHA_SHARK
>> 285 bool "Shark"
303 286
304 choice !! 287 config ALPHA_TAKARA
305 prompt "MMU Super Page Size" !! 288 bool "Takara"
306 depends on ISA_ARCV2 && TRANSPARENT_HU !! 289 help
307 default ARC_HUGEPAGE_2M !! 290 Alpha 11164-based OEM single-board computer.
308 291
309 config ARC_HUGEPAGE_2M !! 292 config ALPHA_TITAN
310 bool "2MB" !! 293 bool "Titan"
>> 294 help
>> 295 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset.
311 296
312 config ARC_HUGEPAGE_16M !! 297 config ALPHA_WILDFIRE
313 bool "16MB" !! 298 bool "Wildfire"
>> 299 help
>> 300 AlphaServer GS 40/80/160/320 SMP based on the EV67 core.
314 301
315 endchoice 302 endchoice
316 303
317 config PGTABLE_LEVELS !! 304 # clear all implied options (don't want default values for those):
318 int "Number of Page table levels" !! 305 # Most of these machines have ISA slots; not exactly sure which don't,
319 default 2 !! 306 # and this doesn't activate hordes of code, so do it always.
>> 307 config ISA
>> 308 bool
>> 309 default y
>> 310 help
>> 311 Find out whether you have ISA slots on your motherboard. ISA is the
>> 312 name of a bus system, i.e. the way the CPU talks to the other stuff
>> 313 inside your box. Other bus systems are PCI, EISA, MicroChannel
>> 314 (MCA) or VESA. ISA is an older system, now being displaced by PCI;
>> 315 newer boards don't support it. If you have ISA, say Y, otherwise N.
320 316
321 config ARC_COMPACT_IRQ_LEVELS !! 317 config ISA_DMA_API
322 depends on ISA_ARCOMPACT !! 318 bool
323 bool "Setup Timer IRQ as high Priority !! 319 default y
324 # if SMP, LV2 enabled ONLY if ARC impl <<
325 depends on !SMP <<
326 320
327 config ARC_FPU_SAVE_RESTORE !! 321 config ALPHA_NONAME
328 bool "Enable FPU state persistence acr !! 322 bool
>> 323 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH
>> 324 default y
329 help 325 help
330 ARCompact FPU has internal registers !! 326 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia
331 Floating Point operations. There are !! 327 UDB). This design was produced by Digital's Technical OEM (TOEM)
332 for floating point exceptions and ro !! 328 group. It uses the 21066 processor running at 166MHz or 233MHz. It
333 preserved across task context switch !! 329 is a baby-AT size, and runs from a standard PC power supply. It has
>> 330 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are
>> 331 2 versions, with either PS/2 or large DIN connectors for the
>> 332 keyboard.
334 333
335 config ARC_CANT_LLSC !! 334 config ALPHA_EV4
336 def_bool n !! 335 bool
>> 336 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
>> 337 default y if !ALPHA_LYNX
337 338
338 config ARC_HAS_LLSC !! 339 config ALPHA_LCA
339 bool "Insn: LLOCK/SCOND (efficient ato !! 340 bool
>> 341 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K
340 default y 342 default y
341 depends on !ARC_CANT_LLSC <<
342 343
343 config ARC_HAS_SWAPE !! 344 config ALPHA_APECS
344 bool "Insn: SWAPE (endian-swap)" !! 345 bool
>> 346 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL
345 default y 347 default y
346 348
347 if ISA_ARCV2 !! 349 config ALPHA_EB64P
>> 350 bool
>> 351 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH
>> 352 default y
>> 353 help
>> 354 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA,
>> 355 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs.
>> 356 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI
>> 357 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style),
>> 358 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size.
>> 359 Runs from standard PC power supply.
348 360
349 config ARC_USE_UNALIGNED_MEM_ACCESS !! 361 config ALPHA_EV5
350 bool "Enable unaligned access in HW" !! 362 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX
>> 363 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
>> 364
>> 365 config ALPHA_EV4
>> 366 bool
>> 367 default y if ALPHA_LYNX && !ALPHA_EV5
>> 368
>> 369 config ALPHA_CIA
>> 370 bool
>> 371 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
351 default y 372 default y
352 select HAVE_EFFICIENT_UNALIGNED_ACCESS !! 373
>> 374 config ALPHA_EV56
>> 375 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR
>> 376 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA
>> 377
>> 378 config ALPHA_EV56
>> 379 prompt "EV56 CPU (speed >= 333MHz)?"
>> 380 depends on ALPHA_NORITAKE || ALPHA_PRIMO
>> 381
>> 382 config ALPHA_EV56
>> 383 prompt "EV56 CPU (speed >= 400MHz)?"
>> 384 depends on ALPHA_RAWHIDE
>> 385
>> 386 config ALPHA_PRIMO
>> 387 bool "EV5 CPU daughtercard (model 5/xxx)?"
>> 388 depends on ALPHA_NORITAKE || ALPHA_MIKASA
353 help 389 help
354 The ARC HS architecture supports una !! 390 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx.
355 which is disabled by default. Enable <<
356 hardware and use software to use it <<
357 391
358 config ARC_HAS_LL64 !! 392 config ALPHA_GAMMA
359 bool "Insn: 64bit LDD/STD" !! 393 bool "EV5 CPU(s) (model 5/xxx)?"
>> 394 depends on ALPHA_SABLE
360 help 395 help
361 Enable gcc to generate 64-bit load/s !! 396 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx.
362 ISA mandates even/odd registers to a !! 397
363 dest operands with 2 possible source !! 398 config ALPHA_GAMMA
>> 399 bool
>> 400 depends on ALPHA_LYNX
364 default y 401 default y
365 402
366 config ARC_HAS_DIV_REM !! 403 config ALPHA_T2
367 bool "Insn: div, divu, rem, remu" !! 404 bool
>> 405 depends on ALPHA_SABLE || ALPHA_LYNX
368 default y 406 default y
369 407
370 config ARC_HAS_ACCL_REGS !! 408 config ALPHA_PYXIS
371 bool "Reg Pair ACCL:ACCH (FPU and/or M !! 409 bool
>> 410 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN
372 default y 411 default y
373 help <<
374 Depending on the configuration, CPU <<
375 (also referred to as r58:r59). These <<
376 kernel needs to save/restore per pro <<
377 412
378 config ARC_DSP_HANDLED !! 413 config ALPHA_EV6
379 def_bool n !! 414 bool
>> 415 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL
>> 416 default y
380 417
381 config ARC_DSP_SAVE_RESTORE_REGS !! 418 config ALPHA_TSUNAMI
382 def_bool n !! 419 bool
>> 420 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER
>> 421 default y
383 422
384 choice !! 423 config ALPHA_EV67
385 prompt "DSP support" !! 424 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER
386 default ARC_DSP_NONE !! 425 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL
387 help 426 help
388 Depending on the configuration, CPU !! 427 Is this a machine based on the EV67 core? If in doubt, select N here
389 (ACC0_GLO, ACC0_GHI, DSP_BFLY0, DSP_ !! 428 and the machine will be treated as an EV6.
390 Below are options describing how to !! 429
391 interrupt entry / exit and in contex !! 430 config ALPHA_MCPCIA
392 !! 431 bool
393 config ARC_DSP_NONE !! 432 depends on ALPHA_RAWHIDE
394 bool "No DSP extension presence in HW" !! 433 default y
395 help !! 434
396 No DSP extension presence in HW !! 435 config ALPHA_POLARIS
397 !! 436 bool
398 config ARC_DSP_KERNEL !! 437 depends on ALPHA_RX164
399 bool "DSP extension in HW, no support !! 438 default y
400 select ARC_HAS_ACCL_REGS !! 439
401 select ARC_DSP_HANDLED !! 440 config ALPHA_IRONGATE
402 help !! 441 bool
403 DSP extension presence in HW, no sup !! 442 depends on ALPHA_NAUTILUS
404 applications. We don't save / restor !! 443 default y
405 some minimal preparations so userspa !! 444
406 !! 445 config GENERIC_HWEIGHT
407 config ARC_DSP_USERSPACE !! 446 bool
408 bool "Support DSP for userspace apps" !! 447 default y if !ALPHA_EV67
409 select ARC_HAS_ACCL_REGS !! 448
410 select ARC_DSP_HANDLED !! 449 config ALPHA_AVANTI
411 select ARC_DSP_SAVE_RESTORE_REGS !! 450 bool
412 help !! 451 depends on ALPHA_XL || ALPHA_AVANTI_CH
413 DSP extension presence in HW, suppor !! 452 default y
414 run DSP-enabled userspace applicatio <<
415 <<
416 config ARC_DSP_AGU_USERSPACE <<
417 bool "Support DSP with AGU for userspa <<
418 select ARC_HAS_ACCL_REGS <<
419 select ARC_DSP_HANDLED <<
420 select ARC_DSP_SAVE_RESTORE_REGS <<
421 help 453 help
422 DSP and AGU extensions presence in H !! 454 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based
423 and AGU registers to run DSP-enabled !! 455 Alphas. Info at
424 endchoice !! 456 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>.
425 457
426 config ARC_IRQ_NO_AUTOSAVE !! 458 config ALPHA_BROKEN_IRQ_MASK
427 bool "Disable hardware autosave regfil !! 459 bool
428 default n !! 460 depends on ALPHA_GENERIC || ALPHA_PC164
>> 461 default y
>> 462
>> 463 config VGA_HOSE
>> 464 bool
>> 465 depends on VGA_CONSOLE && (ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL || ALPHA_TSUNAMI)
>> 466 default y
429 help 467 help
430 On HS cores, taken interrupt auto sa !! 468 Support VGA on an arbitrary hose; needed for several platforms
431 This is programmable and can be opti !! 469 which always have multiple hoses, and whose consoles support it.
432 software INTERRUPT_PROLOGUE/EPILGUE <<
433 <<
434 config ARC_LPB_DISABLE <<
435 bool "Disable loop buffer (LPB)" <<
436 help <<
437 On HS cores, loop buffer (LPB) is pr <<
438 be optionally disabled. <<
439 <<
440 endif # ISA_ARCV2 <<
441 <<
442 endmenu # "ARC CPU Configuration" <<
443 <<
444 config LINUX_LINK_BASE <<
445 hex "Kernel link address" <<
446 default "0x80000000" <<
447 help <<
448 ARC700 divides the 32 bit phy addres <<
449 -Lower 2G (0 - 0x7FFF_FFFF ) is user <<
450 -Upper 2G (0x8000_0000 onwards) is u <<
451 Typically Linux kernel is linked at <<
452 hence the default value of 0x8zs. <<
453 However some customers have peripher <<
454 Linux needs to be scooted a bit. <<
455 If you don't know what the above mea <<
456 This needs to match memory start add <<
457 <<
458 config LINUX_RAM_BASE <<
459 hex "RAM base address" <<
460 default LINUX_LINK_BASE <<
461 help <<
462 By default Linux is linked at base o <<
463 cases (such as HSDK), Linux can't be <<
464 this option. <<
465 <<
466 config HIGHMEM <<
467 bool "High Memory Support" <<
468 select HAVE_ARCH_PFN_VALID <<
469 select KMAP_LOCAL <<
470 help <<
471 With ARC 2G:2G address split, only u <<
472 kernel. Enable this to potentially a <<
473 in future <<
474 <<
475 config ARC_HAS_PAE40 <<
476 bool "Support for the 40-bit Physical <<
477 depends on ISA_ARCV2 <<
478 select HIGHMEM <<
479 select PHYS_ADDR_T_64BIT <<
480 help <<
481 Enable access to physical memory bey <<
482 ARC cores with 40 bit Physical Addre <<
483 <<
484 config ARC_KVADDR_SIZE <<
485 int "Kernel Virtual Address Space size <<
486 range 0 512 <<
487 default "256" <<
488 help <<
489 The kernel address space is carved o <<
490 space for catering to vmalloc, modul <<
491 not suffice vmalloc requirements of <<
492 this to be stretched to 512 MB (by e <<
493 kernel-user gutter) <<
494 <<
495 config ARC_CURR_IN_REG <<
496 bool "cache current task pointer in gp <<
497 default y <<
498 help <<
499 This reserves gp register to point t <<
500 kernel mode eliding memory access fo <<
501 <<
502 <<
503 config ARC_EMUL_UNALIGNED <<
504 bool "Emulate unaligned memory access <<
505 select SYSCTL_ARCH_UNALIGN_NO_WARN <<
506 select SYSCTL_ARCH_UNALIGN_ALLOW <<
507 depends on ISA_ARCOMPACT <<
508 help <<
509 This enables misaligned 16 & 32 bit <<
510 Use ONLY-IF-ABS-NECESSARY as it will <<
511 potential bugs in code <<
512 470
513 config HZ <<
514 int "Timer Frequency" <<
515 default 100 <<
516 471
517 config ARC_METAWARE_HLINK !! 472 config ALPHA_QEMU
518 bool "Support for Metaware debugger as !! 473 bool "Run under QEMU emulation"
>> 474 depends on !ALPHA_GENERIC
519 help 475 help
520 This options allows a Linux userland !! 476 Assume the presence of special features supported by QEMU PALcode
521 host file system (open/creat/read/wr !! 477 that reduce the overhead of system emulation.
522 Metaware Debugger. This can come in <<
523 when there is no real usable periphe <<
524 478
525 menuconfig ARC_DBG !! 479 Generic kernels will auto-detect QEMU. But when building a
526 bool "ARC debugging" !! 480 system-specific kernel, the assumption is that we want to
527 default y !! 481 eliminate as many runtime tests as possible.
528 482
529 if ARC_DBG !! 483 If unsure, say N.
530 484
531 config ARC_DW2_UNWIND !! 485
532 bool "Enable DWARF specific kernel sta !! 486 config ALPHA_SRM
533 default y !! 487 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
534 select KALLSYMS !! 488 depends on TTY
>> 489 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
535 help 490 help
536 Compiles the kernel with DWARF unwin !! 491 There are two different types of booting firmware on Alphas: SRM,
537 to get stack backtraces. !! 492 which is command line driven, and ARC, which uses menus and arrow
>> 493 keys. Details about the Linux/Alpha booting process are contained in
>> 494 the Linux/Alpha FAQ, accessible on the WWW from
>> 495 <http://www.alphalinux.org/>.
>> 496
>> 497 The usual way to load Linux on an Alpha machine is to use MILO
>> 498 (a bootloader that lets you pass command line parameters to the
>> 499 kernel just like lilo does for the x86 architecture) which can be
>> 500 loaded either from ARC or can be installed directly as a permanent
>> 501 firmware replacement from floppy (which requires changing a certain
>> 502 jumper on the motherboard). If you want to do either of these, say N
>> 503 here. If MILO doesn't work on your system (true for Jensen
>> 504 motherboards), you can bypass it altogether and boot Linux directly
>> 505 from an SRM console; say Y here in order to do that. Note that you
>> 506 won't be able to boot from an IDE disk using SRM.
538 507
539 If you say Y here the resulting kern !! 508 If unsure, say N.
540 but not slower, and it will give ver <<
541 If you don't debug the kernel, you c <<
542 to solve problems without frame unwi <<
543 509
544 config ARC_DBG_JUMP_LABEL !! 510 config ARCH_MAY_HAVE_PC_FDC
545 bool "Paranoid checks in Static Keys ( !! 511 def_bool y
546 depends on JUMP_LABEL !! 512
547 default y if STATIC_KEYS_SELFTEST !! 513 config SMP
>> 514 bool "Symmetric multi-processing support"
>> 515 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL
548 help 516 help
549 Enable paranoid checks and self-test !! 517 This enables support for systems with more than one CPU. If you have
550 part of static keys (jump labels) re !! 518 a system with only one CPU, say N. If you have a system with more
551 endif !! 519 than one CPU, say Y.
>> 520
>> 521 If you say N here, the kernel will run on uni- and multiprocessor
>> 522 machines, but will use only one CPU of a multiprocessor machine. If
>> 523 you say Y here, the kernel will run on many, but not all,
>> 524 uniprocessor machines. On a uniprocessor machine, the kernel
>> 525 will run faster if you say N here.
>> 526
>> 527 See also the SMP-HOWTO available at
>> 528 <https://www.tldp.org/docs.html#howto>.
>> 529
>> 530 If you don't know what to do here, say N.
552 531
553 config ARC_BUILTIN_DTB_NAME !! 532 config NR_CPUS
554 string "Built in DTB" !! 533 int "Maximum number of CPUs (2-32)"
>> 534 range 2 32
>> 535 depends on SMP
>> 536 default "32" if ALPHA_GENERIC || ALPHA_MARVEL
>> 537 default "4" if !ALPHA_GENERIC && !ALPHA_MARVEL
>> 538 help
>> 539 MARVEL support can handle a maximum of 32 CPUs, all the others
>> 540 with working support have a maximum of 4 CPUs.
>> 541
>> 542 config ARCH_SPARSEMEM_ENABLE
>> 543 bool "Sparse Memory Support"
>> 544 help
>> 545 Say Y to support efficient handling of discontiguous physical memory,
>> 546 for systems that have huge holes in the physical address space.
>> 547
>> 548 config ALPHA_WTINT
>> 549 bool "Use WTINT" if ALPHA_SRM || ALPHA_GENERIC
>> 550 default y if ALPHA_QEMU
>> 551 default n if ALPHA_EV5 || ALPHA_EV56 || (ALPHA_EV4 && !ALPHA_LCA)
>> 552 default n if !ALPHA_SRM && !ALPHA_GENERIC
>> 553 default y if SMP
555 help 554 help
556 Set the name of the DTB to embed in !! 555 The Wait for Interrupt (WTINT) PALcall attempts to place the CPU
557 Leaving it blank selects the "nsim_7 !! 556 to sleep until the next interrupt. This may reduce the power
>> 557 consumed, and the heat produced by the computer. However, it has
>> 558 the side effect of making the cycle counter unreliable as a timing
>> 559 device across the sleep.
>> 560
>> 561 For emulation under QEMU, definitely say Y here, as we have other
>> 562 mechanisms for measuring time than the cycle counter.
>> 563
>> 564 For EV4 (but not LCA), EV5 and EV56 systems, or for systems running
>> 565 MILO, sleep mode is not supported so you might as well say N here.
>> 566
>> 567 For SMP systems we cannot use the cycle counter for timing anyway,
>> 568 so you might as well say Y here.
>> 569
>> 570 If unsure, say N.
>> 571
>> 572 # LARGE_VMALLOC is racy, if you *really* need it then fix it first
>> 573 config ALPHA_LARGE_VMALLOC
>> 574 bool
>> 575 help
>> 576 Process creation and other aspects of virtual memory management can
>> 577 be streamlined if we restrict the kernel to one PGD for all vmalloc
>> 578 allocations. This equates to about 8GB.
>> 579
>> 580 Under normal circumstances, this is so far and above what is needed
>> 581 as to be laughable. However, there are certain applications (such
>> 582 as benchmark-grade in-kernel web serving) that can make use of as
>> 583 much vmalloc space as is available.
>> 584
>> 585 Say N unless you know you need gobs and gobs of vmalloc space.
>> 586
>> 587 config VERBOSE_MCHECK
>> 588 bool "Verbose Machine Checks"
>> 589
>> 590 config VERBOSE_MCHECK_ON
>> 591 int "Verbose Printing Mode (0=off, 1=on, 2=all)"
>> 592 depends on VERBOSE_MCHECK
>> 593 default 1
>> 594 help
>> 595 This option allows the default printing mode to be set, and then
>> 596 possibly overridden by a boot command argument.
>> 597
>> 598 For example, if one wanted the option of printing verbose
>> 599 machine checks, but wanted the default to be as if verbose
>> 600 machine check printing was turned off, then one would choose
>> 601 the printing mode to be 0. Then, upon reboot, one could add
>> 602 the boot command line "verbose_mcheck=1" to get the normal
>> 603 verbose machine check printing, or "verbose_mcheck=2" to get
>> 604 the maximum information available.
>> 605
>> 606 Take the default (1) unless you want more control or more info.
558 607
559 endmenu # "ARC Architecture Configuration" !! 608 choice
>> 609 prompt "Timer interrupt frequency (HZ)?"
>> 610 default HZ_128 if ALPHA_QEMU
>> 611 default HZ_1200 if ALPHA_RAWHIDE
>> 612 default HZ_1024
>> 613 help
>> 614 The frequency at which timer interrupts occur. A high frequency
>> 615 minimizes latency, whereas a low frequency minimizes overhead of
>> 616 process accounting. The later effect is especially significant
>> 617 when being run under QEMU.
>> 618
>> 619 Note that some Alpha hardware cannot change the interrupt frequency
>> 620 of the timer. If unsure, say 1024 (or 1200 for Rawhide).
>> 621
>> 622 config HZ_32
>> 623 bool "32 Hz"
>> 624 config HZ_64
>> 625 bool "64 Hz"
>> 626 config HZ_128
>> 627 bool "128 Hz"
>> 628 config HZ_256
>> 629 bool "256 Hz"
>> 630 config HZ_1024
>> 631 bool "1024 Hz"
>> 632 config HZ_1200
>> 633 bool "1200 Hz"
>> 634 endchoice
>> 635
>> 636 config HZ
>> 637 int
>> 638 default 32 if HZ_32
>> 639 default 64 if HZ_64
>> 640 default 128 if HZ_128
>> 641 default 256 if HZ_256
>> 642 default 1200 if HZ_1200
>> 643 default 1024
>> 644
>> 645 config SRM_ENV
>> 646 tristate "SRM environment through procfs"
>> 647 depends on PROC_FS
>> 648 help
>> 649 If you enable this option, a subdirectory inside /proc called
>> 650 /proc/srm_environment will give you access to the all important
>> 651 SRM environment variables (those which have a name) and also
>> 652 to all others (by their internal number).
>> 653
>> 654 SRM is something like a BIOS for Alpha machines. There are some
>> 655 other such BIOSes, like AlphaBIOS, which this driver cannot
>> 656 support (hey, that's not SRM!).
>> 657
>> 658 Despite the fact that this driver doesn't work on all Alphas (but
>> 659 only on those which have SRM as their firmware), it's save to
>> 660 build it even if your particular machine doesn't know about SRM
>> 661 (or if you intend to compile a generic kernel). It will simply
>> 662 not create those subdirectory in /proc (and give you some warning,
>> 663 of course).
560 664
561 config ARCH_FORCE_MAX_ORDER !! 665 This driver is also available as a module and will be called
562 int "Maximum zone order" !! 666 srm_env then.
563 default "11" if ARC_HUGEPAGE_16M <<
564 default "10" <<
565 667
566 source "kernel/power/Kconfig" !! 668 endmenu
>> 669
>> 670 # DUMMY_CONSOLE may be defined in drivers/video/console/Kconfig
>> 671 # but we also need it if VGA_HOSE is set
>> 672 config DUMMY_CONSOLE
>> 673 bool
>> 674 depends on VGA_HOSE
>> 675 default y
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