1 # SPDX-License-Identifier: GPL-2.0-only <<
2 config 64BIT 1 config 64BIT
3 bool "64-bit kernel" if "$(ARCH)" = "s !! 2 bool "64-bit kernel" if ARCH = "sparc"
4 default "$(ARCH)" = "sparc64" !! 3 default ARCH = "sparc64"
5 help 4 help
6 SPARC is a family of RISC microproce 5 SPARC is a family of RISC microprocessors designed and marketed by
7 Sun Microsystems, incorporated. The 6 Sun Microsystems, incorporated. They are very widely found in Sun
8 workstations and clones. 7 workstations and clones.
9 8
10 Say yes to build a 64-bit kernel - f 9 Say yes to build a 64-bit kernel - formerly known as sparc64
11 Say no to build a 32-bit kernel - fo 10 Say no to build a 32-bit kernel - formerly known as sparc
12 11
13 config SPARC 12 config SPARC
14 bool 13 bool
15 default y 14 default y
16 select ARCH_HAS_CPU_CACHE_ALIASING <<
17 select ARCH_HAS_DMA_OPS <<
18 select ARCH_MIGHT_HAVE_PC_PARPORT if S 15 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
19 select ARCH_MIGHT_HAVE_PC_SERIO 16 select ARCH_MIGHT_HAVE_PC_SERIO
20 select OF 17 select OF
21 select OF_PROMTREE 18 select OF_PROMTREE
22 select HAVE_ASM_MODVERSIONS !! 19 select HAVE_IDE
>> 20 select HAVE_OPROFILE
23 select HAVE_ARCH_KGDB if !SMP || SPARC 21 select HAVE_ARCH_KGDB if !SMP || SPARC64
24 select HAVE_ARCH_TRACEHOOK 22 select HAVE_ARCH_TRACEHOOK
25 select HAVE_ARCH_SECCOMP if SPARC64 <<
26 select HAVE_EXIT_THREAD <<
27 select HAVE_PCI <<
28 select SYSCTL_EXCEPTION_TRACE 23 select SYSCTL_EXCEPTION_TRACE
>> 24 select ARCH_WANT_OPTIONAL_GPIOLIB
>> 25 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
29 select RTC_CLASS 26 select RTC_CLASS
30 select RTC_DRV_M48T59 27 select RTC_DRV_M48T59
31 select RTC_SYSTOHC 28 select RTC_SYSTOHC
>> 29 select HAVE_DMA_ATTRS
>> 30 select HAVE_DMA_API_DEBUG
32 select HAVE_ARCH_JUMP_LABEL if SPARC64 31 select HAVE_ARCH_JUMP_LABEL if SPARC64
33 select GENERIC_IRQ_SHOW 32 select GENERIC_IRQ_SHOW
34 select ARCH_WANT_IPC_PARSE_VERSION 33 select ARCH_WANT_IPC_PARSE_VERSION
35 select GENERIC_PCI_IOMAP 34 select GENERIC_PCI_IOMAP
36 select HAS_IOPORT !! 35 select HAVE_NMI_WATCHDOG if SPARC64
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 !! 36 select HAVE_BPF_JIT
38 select HAVE_CBPF_JIT if SPARC32 <<
39 select HAVE_EBPF_JIT if SPARC64 <<
40 select HAVE_DEBUG_BUGVERBOSE 37 select HAVE_DEBUG_BUGVERBOSE
41 select GENERIC_SMP_IDLE_THREAD 38 select GENERIC_SMP_IDLE_THREAD
>> 39 select GENERIC_CLOCKEVENTS
>> 40 select GENERIC_STRNCPY_FROM_USER
>> 41 select GENERIC_STRNLEN_USER
42 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_M <<
45 select ODD_RT_SIGACTION 43 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 44 select OLD_SIGSUSPEND
47 select CPU_NO_EFFICIENT_FFS !! 45 select ARCH_HAS_SG_CHAIN
48 select LOCKDEP_SMALL if LOCKDEP <<
49 select NEED_DMA_MAP_STATE <<
50 select NEED_SG_DMA_LENGTH <<
51 select TRACE_IRQFLAGS_SUPPORT <<
52 46
53 config SPARC32 47 config SPARC32
54 def_bool !64BIT 48 def_bool !64BIT
55 select ARCH_32BIT_OFF_T <<
56 select ARCH_HAS_CPU_FINALIZE_INIT if ! <<
57 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
58 select CLZ_TAB <<
59 select DMA_DIRECT_REMAP <<
60 select GENERIC_ATOMIC64 49 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 !! 50 select CLZ_TAB
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 51 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 52 select OLD_SIGACTION
67 select ZONE_DMA <<
68 53
69 config SPARC64 54 config SPARC64
70 def_bool 64BIT 55 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE <<
72 select HAVE_FUNCTION_TRACER 56 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 57 select HAVE_FUNCTION_GRAPH_TRACER
>> 58 select HAVE_FUNCTION_GRAPH_FP_TEST
74 select HAVE_KRETPROBES 59 select HAVE_KRETPROBES
75 select HAVE_KPROBES 60 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM !! 61 select HAVE_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS !! 62 select HAVE_MEMBLOCK
78 select MMU_GATHER_NO_FLUSH_CACHE !! 63 select HAVE_MEMBLOCK_NODE_MAP
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 64 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 65 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 66 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 67 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER !! 68 select HAVE_CONTEXT_TRACKING
85 select HAVE_TIF_NOHZ <<
86 select HAVE_DEBUG_KMEMLEAK 69 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER <<
88 select SPARSE_IRQ 70 select SPARSE_IRQ
89 select RTC_DRV_CMOS 71 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 72 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 73 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 74 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 75 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 76 select PERF_USE_VMALLOC
>> 77 select IRQ_PREFLOW_FASTEOI
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 78 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 79 select HAVE_C_RECORDMCOUNT
>> 80 select NO_BOOTMEM
97 select HAVE_ARCH_AUDITSYSCALL 81 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 82 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC !! 83
100 select HAVE_NMI !! 84 config ARCH_DEFCONFIG
101 select HAVE_REGS_AND_STACK_ACCESS_API !! 85 string
102 select ARCH_USE_QUEUED_RWLOCKS !! 86 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
103 select ARCH_USE_QUEUED_SPINLOCKS !! 87 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
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 88
114 config ARCH_PROC_KCORE_TEXT 89 config ARCH_PROC_KCORE_TEXT
115 def_bool y 90 def_bool y
116 91
117 config CPU_BIG_ENDIAN !! 92 config IOMMU_HELPER
118 def_bool y !! 93 bool
>> 94 default y if SPARC64
119 95
120 config STACKTRACE_SUPPORT 96 config STACKTRACE_SUPPORT
121 bool 97 bool
122 default y if SPARC64 98 default y if SPARC64
123 99
124 config LOCKDEP_SUPPORT 100 config LOCKDEP_SUPPORT
125 bool 101 bool
126 default y if SPARC64 102 default y if SPARC64
127 103
>> 104 config HAVE_LATENCYTOP_SUPPORT
>> 105 bool
>> 106 default y if SPARC64
>> 107
128 config ARCH_HIBERNATION_POSSIBLE 108 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 109 def_bool y if SPARC64
130 110
131 config AUDIT_ARCH 111 config AUDIT_ARCH
132 bool 112 bool
133 default y 113 default y
134 114
>> 115 config HAVE_SETUP_PER_CPU_AREA
>> 116 def_bool y if SPARC64
>> 117
>> 118 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 119 def_bool y if SPARC64
>> 120
>> 121 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 122 def_bool y if SPARC64
>> 123
135 config MMU 124 config MMU
136 bool 125 bool
137 default y 126 default y
138 127
139 config HIGHMEM 128 config HIGHMEM
140 bool 129 bool
141 default y if SPARC32 130 default y if SPARC32
142 select KMAP_LOCAL !! 131
>> 132 config ZONE_DMA
>> 133 bool
>> 134 default y if SPARC32
>> 135
>> 136 config NEED_DMA_MAP_STATE
>> 137 def_bool y
>> 138
>> 139 config NEED_SG_DMA_LENGTH
>> 140 def_bool y
>> 141
>> 142 config GENERIC_ISA_DMA
>> 143 bool
>> 144 default y if SPARC32
>> 145
>> 146 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 147 def_bool y if SPARC64
143 148
144 config PGTABLE_LEVELS 149 config PGTABLE_LEVELS
145 default 4 if 64BIT 150 default 4 if 64BIT
146 default 3 151 default 3
147 152
148 config ARCH_SUPPORTS_UPROBES !! 153 source "init/Kconfig"
149 def_bool y if SPARC64 !! 154
>> 155 source "kernel/Kconfig.freezer"
150 156
151 menu "Processor type and features" 157 menu "Processor type and features"
152 158
153 config SMP 159 config SMP
154 bool "Symmetric multi-processing suppo 160 bool "Symmetric multi-processing support"
155 help !! 161 ---help---
156 This enables support for systems wit 162 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 163 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 164 than one CPU, say Y.
159 165
160 If you say N here, the kernel will r 166 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 167 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 168 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 169 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 170 will run faster if you say N here.
165 171
166 People using multiprocessor machines 172 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 173 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 174 Management" code will be disabled if you say Y here.
169 175
170 See also <file:Documentation/admin-g !! 176 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 177 available at <http://www.tldp.org/docs.html#howto>.
172 178
173 If you don't know what to do here, s 179 If you don't know what to do here, say N.
174 180
175 config NR_CPUS 181 config NR_CPUS
176 int "Maximum number of CPUs" 182 int "Maximum number of CPUs"
177 depends on SMP 183 depends on SMP
178 range 2 32 if SPARC32 184 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 185 range 2 4096 if SPARC64
180 default 32 if SPARC32 186 default 32 if SPARC32
181 default 4096 if SPARC64 187 default 4096 if SPARC64
182 188
183 source "kernel/Kconfig.hz" !! 189 source kernel/Kconfig.hz
>> 190
>> 191 config RWSEM_GENERIC_SPINLOCK
>> 192 bool
>> 193 default y if SPARC32
>> 194
>> 195 config RWSEM_XCHGADD_ALGORITHM
>> 196 bool
>> 197 default y if SPARC64
184 198
185 config GENERIC_HWEIGHT 199 config GENERIC_HWEIGHT
186 bool 200 bool
187 default y 201 default y
188 202
189 config GENERIC_CALIBRATE_DELAY 203 config GENERIC_CALIBRATE_DELAY
190 bool 204 bool
191 default y 205 default y
192 206
193 config ARCH_MAY_HAVE_PC_FDC 207 config ARCH_MAY_HAVE_PC_FDC
194 bool 208 bool
195 default y 209 default y
196 210
197 config EMULATED_CMPXCHG 211 config EMULATED_CMPXCHG
198 bool 212 bool
199 default y if SPARC32 213 default y if SPARC32
200 help 214 help
201 Sparc32 does not have a CAS instruct 215 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 216 is emulated, and therefore it is not completely atomic.
203 217
204 # Makefile helpers 218 # Makefile helpers
205 config SPARC32_SMP 219 config SPARC32_SMP
206 bool 220 bool
207 default y 221 default y
208 depends on SPARC32 && SMP 222 depends on SPARC32 && SMP
209 223
210 config SPARC64_SMP 224 config SPARC64_SMP
211 bool 225 bool
212 default y 226 default y
213 depends on SPARC64 && SMP 227 depends on SPARC64 && SMP
214 228
215 config EARLYFB 229 config EARLYFB
216 bool "Support for early boot text cons 230 bool "Support for early boot text console"
217 default y 231 default y
218 depends on SPARC64 232 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 233 help
222 Say Y here to enable a faster early 234 Say Y here to enable a faster early framebuffer boot console.
223 235
>> 236 config SECCOMP
>> 237 bool "Enable seccomp to safely compute untrusted bytecode"
>> 238 depends on SPARC64 && PROC_FS
>> 239 default y
>> 240 help
>> 241 This kernel feature is useful for number crunching applications
>> 242 that may need to compute untrusted bytecode during their
>> 243 execution. By using pipes or other transports made available to
>> 244 the process as file descriptors supporting the read/write
>> 245 syscalls, it's possible to isolate those applications in
>> 246 their own address space using seccomp. Once seccomp is
>> 247 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 248 and the task is only allowed to execute a few safe syscalls
>> 249 defined by each seccomp mode.
>> 250
>> 251 If unsure, say Y. Only embedded should say N here.
>> 252
224 config HOTPLUG_CPU 253 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 254 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 255 depends on SPARC64 && SMP
227 help 256 help
228 Say Y here to experiment with turnin 257 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 258 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 259 Say N if you want to disable CPU hotplug.
231 260
232 if SPARC64 261 if SPARC64
233 source "drivers/cpufreq/Kconfig" 262 source "drivers/cpufreq/Kconfig"
234 endif 263 endif
235 264
236 config US3_MC 265 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 266 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 267 depends on SPARC64
239 default y 268 default y
240 help 269 help
241 This adds a driver for the UltraSPAR 270 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 271 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 272 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 273 on the motherboard can be matched to the error.
245 274
246 If in doubt, say Y, as this informat 275 If in doubt, say Y, as this information can be very useful.
247 276
248 # Global things across all Sun machines. 277 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 278 config GENERIC_LOCKBREAK
250 bool 279 bool
251 default y 280 default y
252 depends on SPARC64 && SMP && PREEMPTIO !! 281 depends on SPARC64 && SMP && PREEMPT
253 282
254 config NUMA 283 config NUMA
255 bool "NUMA support" 284 bool "NUMA support"
256 depends on SPARC64 && SMP 285 depends on SPARC64 && SMP
257 286
258 config NODES_SHIFT 287 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of !! 288 int
260 range 4 5 if SPARC64 !! 289 default "4"
261 default "5" !! 290 depends on NEED_MULTIPLE_NODES
262 depends on NUMA !! 291
263 help !! 292 # Some NUMA nodes have memory ranges that span
264 Specify the maximum number of NUMA N !! 293 # other nodes. Even though a pfn is valid and
265 system. Increases memory reserved t !! 294 # between a node's start and end pfns, it may not
>> 295 # reside on that node. See memmap_init_zone()
>> 296 # for details.
>> 297 config NODES_SPAN_OTHER_NODES
>> 298 def_bool y
>> 299 depends on NEED_MULTIPLE_NODES
>> 300
>> 301 config ARCH_SELECT_MEMORY_MODEL
>> 302 def_bool y if SPARC64
266 303
267 config ARCH_SPARSEMEM_ENABLE 304 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 305 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 306 select SPARSEMEM_VMEMMAP_ENABLE
270 307
271 config ARCH_SPARSEMEM_DEFAULT 308 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 309 def_bool y if SPARC64
273 310
274 config ARCH_FORCE_MAX_ORDER !! 311 source "mm/Kconfig"
275 int "Order of maximal physically conti <<
276 default "12" <<
277 help <<
278 The kernel page allocator limits the <<
279 contiguous allocations. The limit is <<
280 defines the maximal power of two of <<
281 allocated as a single contiguous blo <<
282 overriding the default setting when <<
283 large blocks of physically contiguou <<
284 312
285 Don't change if unsure. !! 313 if SPARC64
286 <<
287 if SPARC64 || COMPILE_TEST <<
288 source "kernel/power/Kconfig" 314 source "kernel/power/Kconfig"
289 endif 315 endif
290 316
291 config SCHED_SMT 317 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 318 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 319 depends on SPARC64 && SMP
294 default y 320 default y
295 help 321 help
296 SMT scheduler support improves the C 322 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 323 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 324 in some places. If unsure say N here.
299 325
300 config SCHED_MC 326 config SCHED_MC
301 bool "Multi-core scheduler support" 327 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 328 depends on SPARC64 && SMP
303 default y 329 default y
304 help 330 help
305 Multi-core scheduler support improve 331 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 332 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 333 increased overhead in some places. If unsure say N here.
308 334
>> 335 source "kernel/Kconfig.preempt"
>> 336
309 config CMDLINE_BOOL 337 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 338 bool "Default bootloader kernel arguments"
311 depends on SPARC64 339 depends on SPARC64
312 340
313 config CMDLINE 341 config CMDLINE
314 string "Initial kernel command string" 342 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 343 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 344 default "console=ttyS0,9600 root=/dev/sda1"
317 help 345 help
318 Say Y here if you want to be able to 346 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 347 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 348 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 349 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 350 with having them passed on the command line.
323 351
324 NOTE: This option WILL override the 352 NOTE: This option WILL override the PROM bootargs setting!
325 353
326 config SUN_PM 354 config SUN_PM
327 bool 355 bool
328 default y if SPARC32 356 default y if SPARC32
329 help 357 help
330 Enable power management and CPU stan 358 Enable power management and CPU standby features on supported
331 SPARC platforms. 359 SPARC platforms.
332 360
333 config SPARC_LED 361 config SPARC_LED
334 tristate "Sun4m LED driver" 362 tristate "Sun4m LED driver"
335 depends on SPARC32 363 depends on SPARC32
336 help 364 help
337 This driver toggles the front-panel 365 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 366 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 367 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 368 via writes to /proc/led
341 369
342 config SERIAL_CONSOLE 370 config SERIAL_CONSOLE
343 bool 371 bool
344 depends on SPARC32 372 depends on SPARC32
345 default y 373 default y
346 help !! 374 ---help---
347 If you say Y here, it will be possib 375 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 376 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 377 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 378 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 379 to that serial port.
352 380
353 Even if you say Y here, the currentl 381 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 382 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 383 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 384 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 385 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 386 boot time.)
359 387
360 If you don't have a graphics card in 388 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 389 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 390 system console.
363 391
364 If unsure, say N. 392 If unsure, say N.
365 393
366 config SPARC_LEON 394 config SPARC_LEON
367 bool "Sparc Leon processor family" 395 bool "Sparc Leon processor family"
368 depends on SPARC32 396 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 397 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 398 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO !! 399 ---help---
372 select USB_UHCI_BIG_ENDIAN_DESC <<
373 help <<
374 If you say Y here if you are running 400 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 401 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 402 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 403 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 404 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 405 toolchain at www.gaisler.com.
380 406
381 if SPARC_LEON 407 if SPARC_LEON
382 menu "U-Boot options" 408 menu "U-Boot options"
383 409
384 config UBOOT_LOAD_ADDR 410 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 411 hex "uImage Load Address"
386 default 0x40004000 412 default 0x40004000
387 help !! 413 ---help---
388 U-Boot kernel load address, the addre 414 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 415 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 416 This address is normally the base address of main memory + 0x4000.
391 417
392 config UBOOT_FLASH_ADDR 418 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 419 hex "uImage.o Load Address"
394 default 0x00080000 420 default 0x00080000
395 help !! 421 ---help---
396 Optional setting only affecting the u 422 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 423 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 424 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 425 the GRMON utility before even starting u-boot.
400 426
401 config UBOOT_ENTRY_ADDR 427 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 428 hex "uImage Entry Address"
403 default 0xf0004000 429 default 0xf0004000
404 help !! 430 ---help---
405 Do not change this unless you know wh 431 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 432 hardcoded by the SPARC32 and LEON port.
407 433
408 This is the virtual address u-boot ju 434 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 435 Kernel.
410 436
411 endmenu 437 endmenu
412 endif 438 endif
413 439
414 endmenu 440 endmenu
415 441
416 menu "Bus options (PCI etc.)" 442 menu "Bus options (PCI etc.)"
417 config SBUS 443 config SBUS
418 bool 444 bool
419 default y 445 default y
420 446
421 config SBUSCHAR 447 config SBUSCHAR
422 bool 448 bool
423 default y 449 default y
424 450
425 config SUN_LDOMS 451 config SUN_LDOMS
426 bool "Sun Logical Domains support" 452 bool "Sun Logical Domains support"
427 depends on SPARC64 453 depends on SPARC64
428 help 454 help
429 Say Y here is you want to support vi 455 Say Y here is you want to support virtual devices via
430 Logical Domains. 456 Logical Domains.
431 457
>> 458 config PCI
>> 459 bool "Support for PCI and PS/2 keyboard/mouse"
>> 460 help
>> 461 Find out whether your system includes a PCI bus. PCI is the name of
>> 462 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 463 your box. If you say Y here, the kernel will include drivers and
>> 464 infrastructure code to support PCI bus devices.
>> 465
>> 466 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 467 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 468 All of these platforms are extremely obscure, so say N if unsure.
>> 469
>> 470 config PCI_DOMAINS
>> 471 def_bool PCI if SPARC64
>> 472
>> 473 config PCI_SYSCALL
>> 474 def_bool PCI
>> 475
432 config PCIC_PCI 476 config PCIC_PCI
433 bool 477 bool
434 depends on PCI && SPARC32 && !SPARC_LE 478 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 479 default y
436 480
437 config LEON_PCI 481 config LEON_PCI
438 bool 482 bool
439 depends on PCI && SPARC_LEON 483 depends on PCI && SPARC_LEON
440 default y 484 default y
441 485
442 config SPARC_GRPCI1 486 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 487 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 488 depends on LEON_PCI
445 default y 489 default y
446 help 490 help
447 Say Y here to include the GRPCI Host 491 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 492 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 493 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 494 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 495 on detected PCI Parity and System errors.
452 496
453 config SPARC_GRPCI2 497 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 498 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 499 depends on LEON_PCI
456 default y 500 default y
457 help 501 help
458 Say Y here to include the GRPCI2 Hos 502 Say Y here to include the GRPCI2 Host Bridge Driver.
459 503
>> 504 source "drivers/pci/Kconfig"
>> 505
>> 506 source "drivers/pcmcia/Kconfig"
>> 507
460 config SUN_OPENPROMFS 508 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 509 tristate "Openprom tree appears in /proc/openprom"
462 help 510 help
463 If you say Y, the OpenPROM device tr 511 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 512 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 513 -t openpromfs none /proc/openprom".
466 514
467 To compile the /proc/openprom suppor 515 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 516 module will be called openpromfs.
469 517
470 Only choose N if you know in advance 518 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 519 OpenPROM settings on the running system.
472 520
473 # Makefile helpers 521 # Makefile helpers
474 config SPARC64_PCI 522 config SPARC64_PCI
475 bool 523 bool
476 default y 524 default y
477 depends on SPARC64 && PCI 525 depends on SPARC64 && PCI
478 526
479 config SPARC64_PCI_MSI 527 config SPARC64_PCI_MSI
480 bool 528 bool
481 default y 529 default y
482 depends on SPARC64_PCI && PCI_MSI 530 depends on SPARC64_PCI && PCI_MSI
483 531
484 endmenu 532 endmenu
485 533
>> 534 menu "Executable file formats"
>> 535
>> 536 source "fs/Kconfig.binfmt"
>> 537
486 config COMPAT 538 config COMPAT
487 bool 539 bool
488 depends on SPARC64 540 depends on SPARC64
489 default y 541 default y
>> 542 select COMPAT_BINFMT_ELF if BINFMT_ELF
490 select HAVE_UID16 543 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 544 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 545 select COMPAT_OLD_SIGACTION
493 546
>> 547 config SYSVIPC_COMPAT
>> 548 bool
>> 549 depends on COMPAT && SYSVIPC
>> 550 default y
>> 551
>> 552 endmenu
>> 553
>> 554 source "net/Kconfig"
>> 555
>> 556 source "drivers/Kconfig"
>> 557
494 source "drivers/sbus/char/Kconfig" 558 source "drivers/sbus/char/Kconfig"
>> 559
>> 560 source "fs/Kconfig"
>> 561
>> 562 source "arch/sparc/Kconfig.debug"
>> 563
>> 564 source "security/Kconfig"
>> 565
>> 566 source "crypto/Kconfig"
>> 567
>> 568 source "lib/Kconfig"
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