1 # SPDX-License-Identifier: GPL-2.0 !! 1 # SPDX-License-Identifier: GPL-2.0-only
2 config ALPHA !! 2 config 64BIT
>> 3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
>> 4 default "$(ARCH)" = "sparc64"
>> 5 help
>> 6 SPARC is a family of RISC microprocessors designed and marketed by
>> 7 Sun Microsystems, incorporated. They are very widely found in Sun
>> 8 workstations and clones.
>> 9
>> 10 Say yes to build a 64-bit kernel - formerly known as sparc64
>> 11 Say no to build a 32-bit kernel - formerly known as sparc
>> 12
>> 13 config SPARC
3 bool 14 bool
4 default y 15 default y
5 select ARCH_32BIT_USTAT_F_TINODE !! 16 select ARCH_HAS_CPU_CACHE_ALIASING
6 select ARCH_HAS_CURRENT_STACK_POINTER !! 17 select ARCH_HAS_DMA_OPS
7 select ARCH_HAS_DMA_OPS if PCI !! 18 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
8 select ARCH_MIGHT_HAVE_PC_PARPORT <<
9 select ARCH_MIGHT_HAVE_PC_SERIO 19 select ARCH_MIGHT_HAVE_PC_SERIO
10 select ARCH_NO_PREEMPT !! 20 select OF
11 select ARCH_NO_SG_CHAIN !! 21 select OF_PROMTREE
12 select ARCH_USE_CMPXCHG_LOCKREF <<
13 select FORCE_PCI <<
14 select PCI_DOMAINS if PCI <<
15 select PCI_SYSCALL if PCI <<
16 select HAVE_ASM_MODVERSIONS 22 select HAVE_ASM_MODVERSIONS
17 select HAVE_PAGE_SIZE_8KB !! 23 select HAVE_ARCH_KGDB if !SMP || SPARC64
18 select HAVE_PCSPKR_PLATFORM !! 24 select HAVE_ARCH_TRACEHOOK
19 select HAVE_PERF_EVENTS !! 25 select HAVE_ARCH_SECCOMP if SPARC64
20 select NEED_DMA_MAP_STATE !! 26 select HAVE_EXIT_THREAD
21 select NEED_SG_DMA_LENGTH !! 27 select HAVE_PCI
22 select GENERIC_IRQ_PROBE !! 28 select SYSCTL_EXCEPTION_TRACE
23 select GENERIC_PCI_IOMAP !! 29 select RTC_CLASS
24 select AUTO_IRQ_AFFINITY if SMP !! 30 select RTC_DRV_M48T59
>> 31 select RTC_SYSTOHC
>> 32 select HAVE_ARCH_JUMP_LABEL if SPARC64
25 select GENERIC_IRQ_SHOW 33 select GENERIC_IRQ_SHOW
26 select ARCH_WANT_IPC_PARSE_VERSION 34 select ARCH_WANT_IPC_PARSE_VERSION
27 select ARCH_HAVE_NMI_SAFE_CMPXCHG !! 35 select GENERIC_PCI_IOMAP
28 select AUDIT_ARCH <<
29 select GENERIC_CPU_VULNERABILITIES <<
30 select GENERIC_SMP_IDLE_THREAD <<
31 select HAS_IOPORT 36 select HAS_IOPORT
32 select HAVE_ARCH_AUDITSYSCALL !! 37 select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
33 select HAVE_MOD_ARCH_SPECIFIC !! 38 select HAVE_CBPF_JIT if SPARC32
34 select LOCK_MM_AND_FIND_VMA !! 39 select HAVE_EBPF_JIT if SPARC64
>> 40 select HAVE_DEBUG_BUGVERBOSE
>> 41 select GENERIC_SMP_IDLE_THREAD
35 select MODULES_USE_ELF_RELA 42 select MODULES_USE_ELF_RELA
>> 43 select PCI_SYSCALL if PCI
>> 44 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
36 select ODD_RT_SIGACTION 45 select ODD_RT_SIGACTION
37 select OLD_SIGSUSPEND 46 select OLD_SIGSUSPEND
38 select CPU_NO_EFFICIENT_FFS if !ALPHA_ !! 47 select CPU_NO_EFFICIENT_FFS
39 select MMU_GATHER_NO_RANGE !! 48 select LOCKDEP_SMALL if LOCKDEP
40 select SPARSEMEM_EXTREME if SPARSEMEM !! 49 select NEED_DMA_MAP_STATE
>> 50 select NEED_SG_DMA_LENGTH
>> 51 select TRACE_IRQFLAGS_SUPPORT
>> 52
>> 53 config SPARC32
>> 54 def_bool !64BIT
>> 55 select ARCH_32BIT_OFF_T
>> 56 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
>> 57 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 58 select CLZ_TAB
>> 59 select DMA_DIRECT_REMAP
>> 60 select GENERIC_ATOMIC64
>> 61 select GENERIC_LIB_CMPDI2
>> 62 select GENERIC_LIB_UCMPDI2
>> 63 select HAVE_UID16
>> 64 select HAVE_PAGE_SIZE_4KB
>> 65 select LOCK_MM_AND_FIND_VMA
>> 66 select OLD_SIGACTION
41 select ZONE_DMA 67 select ZONE_DMA
42 help <<
43 The Alpha is a 64-bit general-purpos <<
44 marketed by the Digital Equipment Co <<
45 now Hewlett-Packard. The Alpha Linu <<
46 <http://www.alphalinux.org/>. <<
47 68
48 config 64BIT !! 69 config SPARC64
>> 70 def_bool 64BIT
>> 71 select ALTERNATE_USER_ADDRESS_SPACE
>> 72 select HAVE_FUNCTION_TRACER
>> 73 select HAVE_FUNCTION_GRAPH_TRACER
>> 74 select HAVE_KRETPROBES
>> 75 select HAVE_KPROBES
>> 76 select MMU_GATHER_RCU_TABLE_FREE if SMP
>> 77 select MMU_GATHER_MERGE_VMAS
>> 78 select MMU_GATHER_NO_FLUSH_CACHE
>> 79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
>> 80 select HAVE_DYNAMIC_FTRACE
>> 81 select HAVE_FTRACE_MCOUNT_RECORD
>> 82 select HAVE_PAGE_SIZE_8KB
>> 83 select HAVE_SYSCALL_TRACEPOINTS
>> 84 select HAVE_CONTEXT_TRACKING_USER
>> 85 select HAVE_TIF_NOHZ
>> 86 select HAVE_DEBUG_KMEMLEAK
>> 87 select IOMMU_HELPER
>> 88 select SPARSE_IRQ
>> 89 select RTC_DRV_CMOS
>> 90 select RTC_DRV_BQ4802
>> 91 select RTC_DRV_SUN4V
>> 92 select RTC_DRV_STARFIRE
>> 93 select HAVE_PERF_EVENTS
>> 94 select PERF_USE_VMALLOC
>> 95 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 96 select HAVE_C_RECORDMCOUNT
>> 97 select HAVE_ARCH_AUDITSYSCALL
>> 98 select ARCH_SUPPORTS_ATOMIC_RMW
>> 99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 100 select HAVE_NMI
>> 101 select HAVE_REGS_AND_STACK_ACCESS_API
>> 102 select ARCH_USE_QUEUED_RWLOCKS
>> 103 select ARCH_USE_QUEUED_SPINLOCKS
>> 104 select GENERIC_TIME_VSYSCALL
>> 105 select ARCH_CLOCKSOURCE_DATA
>> 106 select ARCH_HAS_PTE_SPECIAL
>> 107 select PCI_DOMAINS if PCI
>> 108 select ARCH_HAS_GIGANTIC_PAGE
>> 109 select HAVE_SOFTIRQ_ON_OWN_STACK
>> 110 select HAVE_SETUP_PER_CPU_AREA
>> 111 select NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 112 select NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 113
>> 114 config ARCH_PROC_KCORE_TEXT
49 def_bool y 115 def_bool y
50 116
51 config MMU !! 117 config CPU_BIG_ENDIAN
52 bool !! 118 def_bool y
53 default y <<
54 119
55 config ARCH_HAS_ILOG2_U32 !! 120 config STACKTRACE_SUPPORT
56 bool 121 bool
57 default n !! 122 default y if SPARC64
58 123
59 config ARCH_HAS_ILOG2_U64 !! 124 config LOCKDEP_SUPPORT
60 bool 125 bool
61 default n !! 126 default y if SPARC64
62 127
63 config GENERIC_CALIBRATE_DELAY !! 128 config ARCH_HIBERNATION_POSSIBLE
>> 129 def_bool y if SPARC64
>> 130
>> 131 config AUDIT_ARCH
64 bool 132 bool
65 default y 133 default y
66 134
67 config GENERIC_ISA_DMA !! 135 config MMU
68 bool 136 bool
69 default y 137 default y
70 138
>> 139 config HIGHMEM
>> 140 bool
>> 141 default y if SPARC32
>> 142 select KMAP_LOCAL
>> 143
71 config PGTABLE_LEVELS 144 config PGTABLE_LEVELS
72 int !! 145 default 4 if 64BIT
73 default 3 146 default 3
74 147
75 config AUDIT_ARCH !! 148 config ARCH_SUPPORTS_UPROBES
76 bool !! 149 def_bool y if SPARC64
77 150
78 menu "System setup" !! 151 menu "Processor type and features"
79 152
80 choice !! 153 config SMP
81 prompt "Alpha system type" !! 154 bool "Symmetric multi-processing support"
82 default ALPHA_GENERIC <<
83 help 155 help
84 This is the system type of your hard !! 156 This enables support for systems with more than one CPU. If you have
85 run on any supported Alpha system. H !! 157 a system with only one CPU, say N. If you have a system with more
86 kernel for your specific system, it !! 158 than one CPU, say Y.
87 159
88 To find out what type of Alpha syste !! 160 If you say N here, the kernel will run on uni- and multiprocessor
89 check out the Linux/Alpha FAQ, acces !! 161 machines, but will use only one CPU of a multiprocessor machine. If
90 <http://www.alphalinux.org/>. In sum !! 162 you say Y here, the kernel will run on many, but not all,
>> 163 uniprocessor machines. On a uniprocessor machine, the kernel
>> 164 will run faster if you say N here.
91 165
92 Alcor/Alpha-XLT AS 600, AS 500, !! 166 People using multiprocessor machines who say Y here should also say
93 DP264 DP264 / DS20 / E !! 167 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
94 LX164 AlphaPC164-LX !! 168 Management" code will be disabled if you say Y here.
95 Miata Personal Worksta <<
96 Marvel AlphaServer ES47 <<
97 Mikasa AS 1000 <<
98 Noritake AS 1000A, AS 600 <<
99 PC164 AlphaPC164 <<
100 Rawhide AS 1200, AS 4000 <<
101 Ruffian RPX164-2, AlphaP <<
102 SX164 AlphaPC164-SX <<
103 Sable AS 2000, AS 2100 <<
104 Shark DS 20L <<
105 Takara Takara (OEM) <<
106 Titan AlphaServer ES45 <<
107 Wildfire AlphaServer GS 4 <<
108 169
109 If you don't know what to do, choose !! 170 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
>> 171 available at <https://www.tldp.org/docs.html#howto>.
110 172
111 config ALPHA_GENERIC !! 173 If you don't know what to do here, say N.
112 bool "Generic" <<
113 depends on TTY <<
114 select HAVE_EISA <<
115 help <<
116 A generic kernel will run on all sup <<
117 174
118 config ALPHA_ALCOR !! 175 config NR_CPUS
119 bool "Alcor/Alpha-XLT" !! 176 int "Maximum number of CPUs"
120 select HAVE_EISA !! 177 depends on SMP
121 help !! 178 range 2 32 if SPARC32
122 For systems using the Digital ALCOR !! 179 range 2 4096 if SPARC64
123 slices (Data Switch, DSW) - 208-pin !! 180 default 32 if SPARC32
124 Address, CIA) - a 383 pin plastic PG !! 181 default 4096 if SPARC64
125 controller (256-bit memory bus) and <<
126 all the work required to support an <<
127 memory coherence when a PCI device D <<
128 182
129 config ALPHA_DP264 !! 183 source "kernel/Kconfig.hz"
130 bool "DP264" <<
131 help <<
132 Various 21264 systems with the tsuna <<
133 API Networks: 264DP, UP2000(+), CS20 <<
134 Compaq: DS10(E,L), XP900, XP1000, DS <<
135 184
136 config ALPHA_EIGER !! 185 config GENERIC_HWEIGHT
137 bool "Eiger" !! 186 bool
138 help !! 187 default y
139 Apparently an obscure OEM single-boa <<
140 Typhoon/Tsunami chipset family. Info <<
141 188
142 config ALPHA_LX164 !! 189 config GENERIC_CALIBRATE_DELAY
143 bool "LX164" !! 190 bool
144 help !! 191 default y
145 A technical overview of this board i <<
146 <http://www.unix-ag.org/Linux-Alpha/ <<
147 192
148 config ALPHA_MARVEL !! 193 config ARCH_MAY_HAVE_PC_FDC
149 bool "Marvel" !! 194 bool
150 help !! 195 default y
151 AlphaServer ES47 / ES80 / GS1280 bas <<
152 196
153 config ALPHA_MIATA !! 197 config EMULATED_CMPXCHG
154 bool "Miata" !! 198 bool
155 select HAVE_EISA !! 199 default y if SPARC32
156 help 200 help
157 The Digital PersonalWorkStation (PWS !! 201 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
158 or 600au). !! 202 is emulated, and therefore it is not completely atomic.
159 203
160 config ALPHA_MIKASA !! 204 # Makefile helpers
161 bool "Mikasa" !! 205 config SPARC32_SMP
162 help !! 206 bool
163 AlphaServer 1000-based Alpha systems !! 207 default y
>> 208 depends on SPARC32 && SMP
164 209
165 config ALPHA_NAUTILUS !! 210 config SPARC64_SMP
166 bool "Nautilus" !! 211 bool
>> 212 default y
>> 213 depends on SPARC64 && SMP
>> 214
>> 215 config EARLYFB
>> 216 bool "Support for early boot text console"
>> 217 default y
>> 218 depends on SPARC64
>> 219 select FONT_SUN8x16
>> 220 select FONT_SUPPORT
167 help 221 help
168 Alpha systems based on the AMD 751 & !! 222 Say Y here to enable a faster early framebuffer boot console.
169 223
170 config ALPHA_NORITAKE !! 224 config HOTPLUG_CPU
171 bool "Noritake" !! 225 bool "Support for hot-pluggable CPUs"
172 select HAVE_EISA !! 226 depends on SPARC64 && SMP
173 help 227 help
174 AlphaServer 1000A, AlphaServer 600A, !! 228 Say Y here to experiment with turning CPUs off and on. CPUs
175 systems. !! 229 can be controlled through /sys/devices/system/cpu/cpu#.
>> 230 Say N if you want to disable CPU hotplug.
176 231
177 config ALPHA_PC164 !! 232 if SPARC64
178 bool "PC164" !! 233 source "drivers/cpufreq/Kconfig"
>> 234 endif
179 235
180 config ALPHA_RAWHIDE !! 236 config US3_MC
181 bool "Rawhide" !! 237 tristate "UltraSPARC-III Memory Controller driver"
182 select HAVE_EISA !! 238 depends on SPARC64
>> 239 default y
183 help 240 help
184 AlphaServer 1200, AlphaServer 4000 a !! 241 This adds a driver for the UltraSPARC-III memory controller.
185 See HOWTO at !! 242 Loading this driver allows exact mnemonic strings to be
186 <http://www.alphalinux.org/docs/rawh !! 243 printed in the event of a memory error, so that the faulty DIMM
>> 244 on the motherboard can be matched to the error.
187 245
188 config ALPHA_RUFFIAN !! 246 If in doubt, say Y, as this information can be very useful.
189 bool "Ruffian" <<
190 help <<
191 Samsung APC164UX. There is a page o <<
192 at <http://www.alphalinux.org/faq/FA <<
193 247
194 config ALPHA_RX164 !! 248 # Global things across all Sun machines.
195 bool "RX164" !! 249 config GENERIC_LOCKBREAK
>> 250 bool
>> 251 default y
>> 252 depends on SPARC64 && SMP && PREEMPTION
196 253
197 config ALPHA_SX164 !! 254 config NUMA
198 bool "SX164" !! 255 bool "NUMA support"
>> 256 depends on SPARC64 && SMP
199 257
200 config ALPHA_SABLE !! 258 config NODES_SHIFT
201 bool "Sable" !! 259 int "Maximum NUMA Nodes (as a power of 2)"
202 select HAVE_EISA !! 260 range 4 5 if SPARC64
>> 261 default "5"
>> 262 depends on NUMA
203 help 263 help
204 Digital AlphaServer 2000 and 2100-ba !! 264 Specify the maximum number of NUMA Nodes available on the target
>> 265 system. Increases memory reserved to accommodate various tables.
205 266
206 config ALPHA_SHARK !! 267 config ARCH_SPARSEMEM_ENABLE
207 bool "Shark" !! 268 def_bool y if SPARC64
>> 269 select SPARSEMEM_VMEMMAP_ENABLE
208 270
209 config ALPHA_TAKARA !! 271 config ARCH_SPARSEMEM_DEFAULT
210 bool "Takara" !! 272 def_bool y if SPARC64
211 help <<
212 Alpha 11164-based OEM single-board c <<
213 273
214 config ALPHA_TITAN !! 274 config ARCH_FORCE_MAX_ORDER
215 bool "Titan" !! 275 int "Order of maximal physically contiguous allocations"
>> 276 default "12"
216 help 277 help
217 AlphaServer ES45/DS25 SMP based on E !! 278 The kernel page allocator limits the size of maximal physically
>> 279 contiguous allocations. The limit is called MAX_PAGE_ORDER and it
>> 280 defines the maximal power of two of number of pages that can be
>> 281 allocated as a single contiguous block. This option allows
>> 282 overriding the default setting when ability to allocate very
>> 283 large blocks of physically contiguous memory is required.
218 284
219 config ALPHA_WILDFIRE !! 285 Don't change if unsure.
220 bool "Wildfire" <<
221 help <<
222 AlphaServer GS 40/80/160/320 SMP bas <<
223 286
224 endchoice !! 287 if SPARC64 || COMPILE_TEST
>> 288 source "kernel/power/Kconfig"
>> 289 endif
225 290
226 # clear all implied options (don't want defaul !! 291 config SCHED_SMT
227 # Most of these machines have ISA slots; not e !! 292 bool "SMT (Hyperthreading) scheduler support"
228 # and this doesn't activate hordes of code, so !! 293 depends on SPARC64 && SMP
229 config ISA <<
230 bool <<
231 default y 294 default y
232 help 295 help
233 Find out whether you have ISA slots !! 296 SMT scheduler support improves the CPU scheduler's decision making
234 name of a bus system, i.e. the way t !! 297 when dealing with SPARC cpus at a cost of slightly increased overhead
235 inside your box. Other bus systems !! 298 in some places. If unsure say N here.
236 (MCA) or VESA. ISA is an older syst <<
237 newer boards don't support it. If y <<
238 299
239 config ISA_DMA_API !! 300 config SCHED_MC
240 bool !! 301 bool "Multi-core scheduler support"
>> 302 depends on SPARC64 && SMP
241 default y 303 default y
>> 304 help
>> 305 Multi-core scheduler support improves the CPU scheduler's decision
>> 306 making when dealing with multi-core CPU chips at a cost of slightly
>> 307 increased overhead in some places. If unsure say N here.
242 308
243 config ALPHA_CIA !! 309 config CMDLINE_BOOL
244 bool !! 310 bool "Default bootloader kernel arguments"
245 depends on ALPHA_MIATA || ALPHA_LX164 !! 311 depends on SPARC64
246 default y <<
247 312
248 config ALPHA_EV56 !! 313 config CMDLINE
249 bool !! 314 string "Initial kernel command string"
250 default y if ALPHA_ALCOR || ALPHA_RX16 !! 315 depends on CMDLINE_BOOL
>> 316 default "console=ttyS0,9600 root=/dev/sda1"
>> 317 help
>> 318 Say Y here if you want to be able to pass default arguments to
>> 319 the kernel. This will be overridden by the bootloader, if you
>> 320 use one (such as SILO). This is most useful if you want to boot
>> 321 a kernel from TFTP, and want default options to be available
>> 322 with having them passed on the command line.
251 323
252 config ALPHA_T2 !! 324 NOTE: This option WILL override the PROM bootargs setting!
253 bool <<
254 depends on ALPHA_SABLE <<
255 default y <<
256 325
257 config ALPHA_PYXIS !! 326 config SUN_PM
258 bool 327 bool
259 depends on ALPHA_MIATA || ALPHA_LX164 !! 328 default y if SPARC32
260 default y !! 329 help
>> 330 Enable power management and CPU standby features on supported
>> 331 SPARC platforms.
261 332
262 config ALPHA_EV6 !! 333 config SPARC_LED
263 bool !! 334 tristate "Sun4m LED driver"
264 depends on ALPHA_NAUTILUS || ALPHA_WIL !! 335 depends on SPARC32
265 default y !! 336 help
>> 337 This driver toggles the front-panel LED on sun4m systems
>> 338 in a user-specifiable manner. Its state can be probed
>> 339 by reading /proc/led and its blinking mode can be changed
>> 340 via writes to /proc/led
266 341
267 config ALPHA_TSUNAMI !! 342 config SERIAL_CONSOLE
268 bool 343 bool
269 depends on ALPHA_SHARK || ALPHA_DP264 !! 344 depends on SPARC32
270 default y 345 default y
>> 346 help
>> 347 If you say Y here, it will be possible to use a serial port as the
>> 348 system console (the system console is the device which receives all
>> 349 kernel messages and warnings and which allows logins in single user
>> 350 mode). This could be useful if some terminal or printer is connected
>> 351 to that serial port.
>> 352
>> 353 Even if you say Y here, the currently visible virtual console
>> 354 (/dev/tty0) will still be used as the system console by default, but
>> 355 you can alter that using a kernel command line option such as
>> 356 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 357 your boot loader (silo) about how to pass options to the kernel at
>> 358 boot time.)
>> 359
>> 360 If you don't have a graphics card installed and you say Y here, the
>> 361 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 362 system console.
>> 363
>> 364 If unsure, say N.
271 365
272 config ALPHA_EV67 !! 366 config SPARC_LEON
273 bool "EV67 (or later) CPU (speed > 600 !! 367 bool "Sparc Leon processor family"
274 default y if ALPHA_NAUTILUS || ALPHA_W !! 368 depends on SPARC32
>> 369 select USB_EHCI_BIG_ENDIAN_MMIO
>> 370 select USB_EHCI_BIG_ENDIAN_DESC
>> 371 select USB_UHCI_BIG_ENDIAN_MMIO
>> 372 select USB_UHCI_BIG_ENDIAN_DESC
>> 373 help
>> 374 If you say Y here if you are running on a SPARC-LEON processor.
>> 375 The LEON processor is a synthesizable VHDL model of the
>> 376 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 377 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 378 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 379 toolchain at www.gaisler.com.
>> 380
>> 381 if SPARC_LEON
>> 382 menu "U-Boot options"
>> 383
>> 384 config UBOOT_LOAD_ADDR
>> 385 hex "uImage Load Address"
>> 386 default 0x40004000
>> 387 help
>> 388 U-Boot kernel load address, the address in physical address space
>> 389 where u-boot will place the Linux kernel before booting it.
>> 390 This address is normally the base address of main memory + 0x4000.
>> 391
>> 392 config UBOOT_FLASH_ADDR
>> 393 hex "uImage.o Load Address"
>> 394 default 0x00080000
>> 395 help
>> 396 Optional setting only affecting the uImage.o ELF-image used to
>> 397 download the uImage file to the target using a ELF-loader other than
>> 398 U-Boot. It may for example be used to download an uImage to FLASH with
>> 399 the GRMON utility before even starting u-boot.
>> 400
>> 401 config UBOOT_ENTRY_ADDR
>> 402 hex "uImage Entry Address"
>> 403 default 0xf0004000
275 help 404 help
276 Is this a machine based on the EV67 !! 405 Do not change this unless you know what you're doing. This is
277 and the machine will be treated as a !! 406 hardcoded by the SPARC32 and LEON port.
278 407
279 config ALPHA_MCPCIA !! 408 This is the virtual address u-boot jumps to when booting the Linux
280 bool !! 409 Kernel.
281 depends on ALPHA_RAWHIDE !! 410
282 default y !! 411 endmenu
>> 412 endif
283 413
284 config ALPHA_POLARIS !! 414 endmenu
>> 415
>> 416 menu "Bus options (PCI etc.)"
>> 417 config SBUS
285 bool 418 bool
286 depends on ALPHA_RX164 <<
287 default y 419 default y
288 420
289 config ALPHA_IRONGATE !! 421 config SBUSCHAR
290 bool 422 bool
291 depends on ALPHA_NAUTILUS <<
292 default y 423 default y
293 424
294 config GENERIC_HWEIGHT !! 425 config SUN_LDOMS
295 bool !! 426 bool "Sun Logical Domains support"
296 default y if !ALPHA_EV67 !! 427 depends on SPARC64
>> 428 help
>> 429 Say Y here is you want to support virtual devices via
>> 430 Logical Domains.
297 431
298 config ALPHA_BROKEN_IRQ_MASK !! 432 config PCIC_PCI
299 bool 433 bool
300 depends on ALPHA_GENERIC || ALPHA_PC16 !! 434 depends on PCI && SPARC32 && !SPARC_LEON
301 default y 435 default y
302 436
303 config VGA_HOSE !! 437 config LEON_PCI
304 bool 438 bool
305 depends on VGA_CONSOLE && (ALPHA_GENER !! 439 depends on PCI && SPARC_LEON
306 default y 440 default y
307 help <<
308 Support VGA on an arbitrary hose; ne <<
309 which always have multiple hoses, an <<
310 <<
311 <<
312 config ALPHA_QEMU <<
313 bool "Run under QEMU emulation" <<
314 depends on !ALPHA_GENERIC <<
315 help <<
316 Assume the presence of special featu <<
317 that reduce the overhead of system e <<
318 441
319 Generic kernels will auto-detect QEM !! 442 config SPARC_GRPCI1
320 system-specific kernel, the assumpti !! 443 bool "GRPCI Host Bridge Support"
321 eliminate as many runtime tests as p !! 444 depends on LEON_PCI
322 !! 445 default y
323 If unsure, say N. <<
324 <<
325 <<
326 config ALPHA_SRM <<
327 bool "Use SRM as bootloader" if ALPHA_ <<
328 depends on TTY <<
329 default y if ALPHA_MIKASA || ALPHA_SAB <<
330 help <<
331 There are two different types of boo <<
332 which is command line driven, and AR <<
333 keys. Details about the Linux/Alpha <<
334 the Linux/Alpha FAQ, accessible on t <<
335 <http://www.alphalinux.org/>. <<
336 <<
337 The usual way to load Linux on an Al <<
338 (a bootloader that lets you pass com <<
339 kernel just like lilo does for the x <<
340 loaded either from ARC or can be ins <<
341 firmware replacement from floppy (wh <<
342 jumper on the motherboard). If you w <<
343 here. If MILO doesn't work on your s <<
344 motherboards), you can bypass it alt <<
345 from an SRM console; say Y here in o <<
346 won't be able to boot from an IDE di <<
347 <<
348 If unsure, say N. <<
349 <<
350 config ARCH_MAY_HAVE_PC_FDC <<
351 def_bool y <<
352 <<
353 config SMP <<
354 bool "Symmetric multi-processing suppo <<
355 depends on ALPHA_SABLE || ALPHA_RAWHID <<
356 help 446 help
357 This enables support for systems wit !! 447 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
358 a system with only one CPU, say N. I !! 448 PCI host controller is typically found in GRLIB SPARC32/LEON
359 than one CPU, say Y. !! 449 systems. The driver has one property (all_pci_errors) controlled
360 !! 450 from the bootloader that makes the GRPCI to generate interrupts
361 If you say N here, the kernel will r !! 451 on detected PCI Parity and System errors.
362 machines, but will use only one CPU <<
363 you say Y here, the kernel will run <<
364 uniprocessor machines. On a uniproce <<
365 will run faster if you say N here. <<
366 <<
367 See also the SMP-HOWTO available at <<
368 <https://www.tldp.org/docs.html#howt <<
369 <<
370 If you don't know what to do here, s <<
371 452
372 config NR_CPUS !! 453 config SPARC_GRPCI2
373 int "Maximum number of CPUs (2-32)" !! 454 bool "GRPCI2 Host Bridge Support"
374 range 2 32 !! 455 depends on LEON_PCI
375 depends on SMP !! 456 default y
376 default "32" if ALPHA_GENERIC || ALPHA <<
377 default "4" if !ALPHA_GENERIC && !ALPH <<
378 help 457 help
379 MARVEL support can handle a maximum !! 458 Say Y here to include the GRPCI2 Host Bridge Driver.
380 with working support have a maximum <<
381 459
382 config ARCH_SPARSEMEM_ENABLE !! 460 config SUN_OPENPROMFS
383 bool "Sparse Memory Support" !! 461 tristate "Openprom tree appears in /proc/openprom"
384 help 462 help
385 Say Y to support efficient handling !! 463 If you say Y, the OpenPROM device tree will be available as a
386 for systems that have huge holes in !! 464 virtual file system, which you can mount to /proc/openprom by "mount
>> 465 -t openpromfs none /proc/openprom".
387 466
388 config ALPHA_WTINT !! 467 To compile the /proc/openprom support as a module, choose M here: the
389 bool "Use WTINT" if ALPHA_SRM || ALPHA !! 468 module will be called openpromfs.
390 default y if ALPHA_QEMU <<
391 default n if ALPHA_EV56 <<
392 default n if !ALPHA_SRM && !ALPHA_GENE <<
393 default y if SMP <<
394 help <<
395 The Wait for Interrupt (WTINT) PALca <<
396 to sleep until the next interrupt. <<
397 consumed, and the heat produced by t <<
398 the side effect of making the cycle <<
399 device across the sleep. <<
400 469
401 For emulation under QEMU, definitely !! 470 Only choose N if you know in advance that you will not need to modify
402 mechanisms for measuring time than t !! 471 OpenPROM settings on the running system.
403 472
404 For EV4 (but not LCA), EV5 and EV56 !! 473 # Makefile helpers
405 MILO, sleep mode is not supported so !! 474 config SPARC64_PCI
406 <<
407 For SMP systems we cannot use the cy <<
408 so you might as well say Y here. <<
409 <<
410 If unsure, say N. <<
411 <<
412 # LARGE_VMALLOC is racy, if you *really* need <<
413 config ALPHA_LARGE_VMALLOC <<
414 bool 475 bool
415 help !! 476 default y
416 Process creation and other aspects o !! 477 depends on SPARC64 && PCI
417 be streamlined if we restrict the ke <<
418 allocations. This equates to about <<
419 <<
420 Under normal circumstances, this is <<
421 as to be laughable. However, there <<
422 as benchmark-grade in-kernel web ser <<
423 much vmalloc space as is available. <<
424 <<
425 Say N unless you know you need gobs <<
426 <<
427 config VERBOSE_MCHECK <<
428 bool "Verbose Machine Checks" <<
429 <<
430 config VERBOSE_MCHECK_ON <<
431 int "Verbose Printing Mode (0=off, 1=o <<
432 depends on VERBOSE_MCHECK <<
433 default 1 <<
434 help <<
435 This option allows the default print <<
436 possibly overridden by a boot comman <<
437 <<
438 For example, if one wanted the optio <<
439 machine checks, but wanted the defau <<
440 machine check printing was turned of <<
441 the printing mode to be 0. Then, upo <<
442 the boot command line "verbose_mchec <<
443 verbose machine check printing, or " <<
444 the maximum information available. <<
445 <<
446 Take the default (1) unless you want <<
447 <<
448 choice <<
449 prompt "Timer interrupt frequency (HZ) <<
450 default HZ_128 if ALPHA_QEMU <<
451 default HZ_1200 if ALPHA_RAWHIDE <<
452 default HZ_1024 <<
453 help <<
454 The frequency at which timer interru <<
455 minimizes latency, whereas a low fre <<
456 process accounting. The later effec <<
457 when being run under QEMU. <<
458 <<
459 Note that some Alpha hardware cannot <<
460 of the timer. If unsure, say 1024 ( <<
461 <<
462 config HZ_32 <<
463 bool "32 Hz" <<
464 config HZ_64 <<
465 bool "64 Hz" <<
466 config HZ_128 <<
467 bool "128 Hz" <<
468 config HZ_256 <<
469 bool "256 Hz" <<
470 config HZ_1024 <<
471 bool "1024 Hz" <<
472 config HZ_1200 <<
473 bool "1200 Hz" <<
474 endchoice <<
475 <<
476 config HZ <<
477 int <<
478 default 32 if HZ_32 <<
479 default 64 if HZ_64 <<
480 default 128 if HZ_128 <<
481 default 256 if HZ_256 <<
482 default 1200 if HZ_1200 <<
483 default 1024 <<
484 <<
485 config SRM_ENV <<
486 tristate "SRM environment through proc <<
487 depends on PROC_FS <<
488 help <<
489 If you enable this option, a subdire <<
490 /proc/srm_environment will give you <<
491 SRM environment variables (those whi <<
492 to all others (by their internal num <<
493 <<
494 SRM is something like a BIOS for Alp <<
495 other such BIOSes, like AlphaBIOS, w <<
496 support (hey, that's not SRM!). <<
497 <<
498 Despite the fact that this driver do <<
499 only on those which have SRM as thei <<
500 build it even if your particular mac <<
501 (or if you intend to compile a gener <<
502 not create those subdirectory in /pr <<
503 of course). <<
504 478
505 This driver is also available as a m !! 479 config SPARC64_PCI_MSI
506 srm_env then. !! 480 bool
>> 481 default y
>> 482 depends on SPARC64_PCI && PCI_MSI
507 483
508 endmenu 484 endmenu
509 485
510 # DUMMY_CONSOLE may be defined in drivers/vide !! 486 config COMPAT
511 # but we also need it if VGA_HOSE is set <<
512 config DUMMY_CONSOLE <<
513 bool 487 bool
514 depends on VGA_HOSE !! 488 depends on SPARC64
515 default y 489 default y
>> 490 select HAVE_UID16
>> 491 select ARCH_WANT_OLD_COMPAT_IPC
>> 492 select COMPAT_OLD_SIGACTION
>> 493
>> 494 source "drivers/sbus/char/Kconfig"
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.