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 23 select HAVE_EXIT_THREAD
27 select HAVE_PCI <<
28 select SYSCTL_EXCEPTION_TRACE 24 select SYSCTL_EXCEPTION_TRACE
29 select RTC_CLASS 25 select RTC_CLASS
30 select RTC_DRV_M48T59 26 select RTC_DRV_M48T59
31 select RTC_SYSTOHC 27 select RTC_SYSTOHC
>> 28 select HAVE_DMA_API_DEBUG
32 select HAVE_ARCH_JUMP_LABEL if SPARC64 29 select HAVE_ARCH_JUMP_LABEL if SPARC64
33 select GENERIC_IRQ_SHOW 30 select GENERIC_IRQ_SHOW
34 select ARCH_WANT_IPC_PARSE_VERSION 31 select ARCH_WANT_IPC_PARSE_VERSION
35 select GENERIC_PCI_IOMAP 32 select GENERIC_PCI_IOMAP
36 select HAS_IOPORT !! 33 select HAVE_NMI_WATCHDOG if SPARC64
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 !! 34 select HAVE_CBPF_JIT
38 select HAVE_CBPF_JIT if SPARC32 <<
39 select HAVE_EBPF_JIT if SPARC64 <<
40 select HAVE_DEBUG_BUGVERBOSE 35 select HAVE_DEBUG_BUGVERBOSE
41 select GENERIC_SMP_IDLE_THREAD 36 select GENERIC_SMP_IDLE_THREAD
>> 37 select GENERIC_CLOCKEVENTS
>> 38 select GENERIC_STRNCPY_FROM_USER
>> 39 select GENERIC_STRNLEN_USER
42 select MODULES_USE_ELF_RELA 40 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 41 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 42 select OLD_SIGSUSPEND
>> 43 select ARCH_HAS_SG_CHAIN
47 select CPU_NO_EFFICIENT_FFS 44 select CPU_NO_EFFICIENT_FFS
>> 45 select HAVE_ARCH_HARDENED_USERCOPY
48 select LOCKDEP_SMALL if LOCKDEP 46 select LOCKDEP_SMALL if LOCKDEP
49 select NEED_DMA_MAP_STATE !! 47 select ARCH_WANT_RELAX_ORDER
50 select NEED_SG_DMA_LENGTH <<
51 select TRACE_IRQFLAGS_SUPPORT <<
52 48
53 config SPARC32 49 config SPARC32
54 def_bool !64BIT 50 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 51 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 !! 52 select CLZ_TAB
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 53 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 54 select OLD_SIGACTION
67 select ZONE_DMA <<
68 55
69 config SPARC64 56 config SPARC64
70 def_bool 64BIT 57 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE <<
72 select HAVE_FUNCTION_TRACER 58 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 59 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 60 select HAVE_KRETPROBES
75 select HAVE_KPROBES 61 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM !! 62 select HAVE_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS !! 63 select HAVE_MEMBLOCK
78 select MMU_GATHER_NO_FLUSH_CACHE !! 64 select HAVE_MEMBLOCK_NODE_MAP
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 65 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 66 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 67 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 68 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER !! 69 select HAVE_CONTEXT_TRACKING
85 select HAVE_TIF_NOHZ <<
86 select HAVE_DEBUG_KMEMLEAK 70 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER <<
88 select SPARSE_IRQ 71 select SPARSE_IRQ
89 select RTC_DRV_CMOS 72 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 73 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 74 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 75 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 76 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 77 select PERF_USE_VMALLOC
>> 78 select IRQ_PREFLOW_FASTEOI
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 79 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 80 select HAVE_C_RECORDMCOUNT
>> 81 select NO_BOOTMEM
97 select HAVE_ARCH_AUDITSYSCALL 82 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 83 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
100 select HAVE_NMI 84 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 85 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS !! 86
103 select ARCH_USE_QUEUED_SPINLOCKS !! 87 config ARCH_DEFCONFIG
104 select GENERIC_TIME_VSYSCALL !! 88 string
105 select ARCH_CLOCKSOURCE_DATA !! 89 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
106 select ARCH_HAS_PTE_SPECIAL !! 90 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
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 91
114 config ARCH_PROC_KCORE_TEXT 92 config ARCH_PROC_KCORE_TEXT
115 def_bool y 93 def_bool y
116 94
117 config CPU_BIG_ENDIAN !! 95 config ARCH_ATU
118 def_bool y !! 96 bool
>> 97 default y if SPARC64
>> 98
>> 99 config ARCH_DMA_ADDR_T_64BIT
>> 100 bool
>> 101 default y if ARCH_ATU
>> 102
>> 103 config IOMMU_HELPER
>> 104 bool
>> 105 default y if SPARC64
119 106
120 config STACKTRACE_SUPPORT 107 config STACKTRACE_SUPPORT
121 bool 108 bool
122 default y if SPARC64 109 default y if SPARC64
123 110
124 config LOCKDEP_SUPPORT 111 config LOCKDEP_SUPPORT
125 bool 112 bool
126 default y if SPARC64 113 default y if SPARC64
127 114
128 config ARCH_HIBERNATION_POSSIBLE 115 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 116 def_bool y if SPARC64
130 117
131 config AUDIT_ARCH 118 config AUDIT_ARCH
132 bool 119 bool
133 default y 120 default y
134 121
>> 122 config HAVE_SETUP_PER_CPU_AREA
>> 123 def_bool y if SPARC64
>> 124
>> 125 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 126 def_bool y if SPARC64
>> 127
>> 128 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 129 def_bool y if SPARC64
>> 130
135 config MMU 131 config MMU
136 bool 132 bool
137 default y 133 default y
138 134
139 config HIGHMEM 135 config HIGHMEM
140 bool 136 bool
141 default y if SPARC32 137 default y if SPARC32
142 select KMAP_LOCAL !! 138
>> 139 config ZONE_DMA
>> 140 bool
>> 141 default y if SPARC32
>> 142
>> 143 config NEED_DMA_MAP_STATE
>> 144 def_bool y
>> 145
>> 146 config NEED_SG_DMA_LENGTH
>> 147 def_bool y
>> 148
>> 149 config GENERIC_ISA_DMA
>> 150 bool
>> 151 default y if SPARC32
>> 152
>> 153 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 154 def_bool y if SPARC64
143 155
144 config PGTABLE_LEVELS 156 config PGTABLE_LEVELS
145 default 4 if 64BIT 157 default 4 if 64BIT
146 default 3 158 default 3
147 159
148 config ARCH_SUPPORTS_UPROBES 160 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 161 def_bool y if SPARC64
150 162
>> 163 source "init/Kconfig"
>> 164
>> 165 source "kernel/Kconfig.freezer"
>> 166
151 menu "Processor type and features" 167 menu "Processor type and features"
152 168
153 config SMP 169 config SMP
154 bool "Symmetric multi-processing suppo 170 bool "Symmetric multi-processing support"
155 help !! 171 ---help---
156 This enables support for systems wit 172 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 173 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 174 than one CPU, say Y.
159 175
160 If you say N here, the kernel will r 176 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 177 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 178 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 179 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 180 will run faster if you say N here.
165 181
166 People using multiprocessor machines 182 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 183 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 184 Management" code will be disabled if you say Y here.
169 185
170 See also <file:Documentation/admin-g !! 186 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 187 available at <http://www.tldp.org/docs.html#howto>.
172 188
173 If you don't know what to do here, s 189 If you don't know what to do here, say N.
174 190
175 config NR_CPUS 191 config NR_CPUS
176 int "Maximum number of CPUs" 192 int "Maximum number of CPUs"
177 depends on SMP 193 depends on SMP
178 range 2 32 if SPARC32 194 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 195 range 2 4096 if SPARC64
180 default 32 if SPARC32 196 default 32 if SPARC32
181 default 4096 if SPARC64 197 default 4096 if SPARC64
182 198
183 source "kernel/Kconfig.hz" !! 199 source kernel/Kconfig.hz
>> 200
>> 201 config RWSEM_GENERIC_SPINLOCK
>> 202 bool
>> 203 default y if SPARC32
>> 204
>> 205 config RWSEM_XCHGADD_ALGORITHM
>> 206 bool
>> 207 default y if SPARC64
184 208
185 config GENERIC_HWEIGHT 209 config GENERIC_HWEIGHT
186 bool 210 bool
187 default y 211 default y
188 212
189 config GENERIC_CALIBRATE_DELAY 213 config GENERIC_CALIBRATE_DELAY
190 bool 214 bool
191 default y 215 default y
192 216
193 config ARCH_MAY_HAVE_PC_FDC 217 config ARCH_MAY_HAVE_PC_FDC
194 bool 218 bool
195 default y 219 default y
196 220
197 config EMULATED_CMPXCHG 221 config EMULATED_CMPXCHG
198 bool 222 bool
199 default y if SPARC32 223 default y if SPARC32
200 help 224 help
201 Sparc32 does not have a CAS instruct 225 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 226 is emulated, and therefore it is not completely atomic.
203 227
204 # Makefile helpers 228 # Makefile helpers
205 config SPARC32_SMP 229 config SPARC32_SMP
206 bool 230 bool
207 default y 231 default y
208 depends on SPARC32 && SMP 232 depends on SPARC32 && SMP
209 233
210 config SPARC64_SMP 234 config SPARC64_SMP
211 bool 235 bool
212 default y 236 default y
213 depends on SPARC64 && SMP 237 depends on SPARC64 && SMP
214 238
215 config EARLYFB 239 config EARLYFB
216 bool "Support for early boot text cons 240 bool "Support for early boot text console"
217 default y 241 default y
218 depends on SPARC64 242 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 243 help
222 Say Y here to enable a faster early 244 Say Y here to enable a faster early framebuffer boot console.
223 245
>> 246 config SECCOMP
>> 247 bool "Enable seccomp to safely compute untrusted bytecode"
>> 248 depends on SPARC64 && PROC_FS
>> 249 default y
>> 250 help
>> 251 This kernel feature is useful for number crunching applications
>> 252 that may need to compute untrusted bytecode during their
>> 253 execution. By using pipes or other transports made available to
>> 254 the process as file descriptors supporting the read/write
>> 255 syscalls, it's possible to isolate those applications in
>> 256 their own address space using seccomp. Once seccomp is
>> 257 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 258 and the task is only allowed to execute a few safe syscalls
>> 259 defined by each seccomp mode.
>> 260
>> 261 If unsure, say Y. Only embedded should say N here.
>> 262
224 config HOTPLUG_CPU 263 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 264 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 265 depends on SPARC64 && SMP
227 help 266 help
228 Say Y here to experiment with turnin 267 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 268 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 269 Say N if you want to disable CPU hotplug.
231 270
232 if SPARC64 271 if SPARC64
233 source "drivers/cpufreq/Kconfig" 272 source "drivers/cpufreq/Kconfig"
234 endif 273 endif
235 274
236 config US3_MC 275 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 276 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 277 depends on SPARC64
239 default y 278 default y
240 help 279 help
241 This adds a driver for the UltraSPAR 280 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 281 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 282 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 283 on the motherboard can be matched to the error.
245 284
246 If in doubt, say Y, as this informat 285 If in doubt, say Y, as this information can be very useful.
247 286
248 # Global things across all Sun machines. 287 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 288 config GENERIC_LOCKBREAK
250 bool 289 bool
251 default y 290 default y
252 depends on SPARC64 && SMP && PREEMPTIO !! 291 depends on SPARC64 && SMP && PREEMPT
253 292
254 config NUMA 293 config NUMA
255 bool "NUMA support" 294 bool "NUMA support"
256 depends on SPARC64 && SMP 295 depends on SPARC64 && SMP
257 296
258 config NODES_SHIFT 297 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of !! 298 int
260 range 4 5 if SPARC64 !! 299 default "4"
261 default "5" !! 300 depends on NEED_MULTIPLE_NODES
262 depends on NUMA !! 301
263 help !! 302 # Some NUMA nodes have memory ranges that span
264 Specify the maximum number of NUMA N !! 303 # other nodes. Even though a pfn is valid and
265 system. Increases memory reserved t !! 304 # between a node's start and end pfns, it may not
>> 305 # reside on that node. See memmap_init_zone()
>> 306 # for details.
>> 307 config NODES_SPAN_OTHER_NODES
>> 308 def_bool y
>> 309 depends on NEED_MULTIPLE_NODES
>> 310
>> 311 config ARCH_SELECT_MEMORY_MODEL
>> 312 def_bool y if SPARC64
266 313
267 config ARCH_SPARSEMEM_ENABLE 314 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 315 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 316 select SPARSEMEM_VMEMMAP_ENABLE
270 317
271 config ARCH_SPARSEMEM_DEFAULT 318 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 319 def_bool y if SPARC64
273 320
274 config ARCH_FORCE_MAX_ORDER !! 321 config FORCE_MAX_ZONEORDER
275 int "Order of maximal physically conti !! 322 int "Maximum zone order"
276 default "12" !! 323 default "13"
277 help !! 324 help
278 The kernel page allocator limits the !! 325 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 326 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 327 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 328 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 329 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 330 increase this value.
284 331
285 Don't change if unsure. !! 332 This config option is actually maximum order plus one. For example,
>> 333 a value of 13 means that the largest free memory block is 2^12 pages.
286 334
287 if SPARC64 || COMPILE_TEST !! 335 source "mm/Kconfig"
>> 336
>> 337 if SPARC64
288 source "kernel/power/Kconfig" 338 source "kernel/power/Kconfig"
289 endif 339 endif
290 340
291 config SCHED_SMT 341 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 342 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 343 depends on SPARC64 && SMP
294 default y 344 default y
295 help 345 help
296 SMT scheduler support improves the C 346 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 347 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 348 in some places. If unsure say N here.
299 349
300 config SCHED_MC 350 config SCHED_MC
301 bool "Multi-core scheduler support" 351 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 352 depends on SPARC64 && SMP
303 default y 353 default y
304 help 354 help
305 Multi-core scheduler support improve 355 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 356 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 357 increased overhead in some places. If unsure say N here.
308 358
>> 359 source "kernel/Kconfig.preempt"
>> 360
309 config CMDLINE_BOOL 361 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 362 bool "Default bootloader kernel arguments"
311 depends on SPARC64 363 depends on SPARC64
312 364
313 config CMDLINE 365 config CMDLINE
314 string "Initial kernel command string" 366 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 367 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 368 default "console=ttyS0,9600 root=/dev/sda1"
317 help 369 help
318 Say Y here if you want to be able to 370 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 371 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 372 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 373 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 374 with having them passed on the command line.
323 375
324 NOTE: This option WILL override the 376 NOTE: This option WILL override the PROM bootargs setting!
325 377
326 config SUN_PM 378 config SUN_PM
327 bool 379 bool
328 default y if SPARC32 380 default y if SPARC32
329 help 381 help
330 Enable power management and CPU stan 382 Enable power management and CPU standby features on supported
331 SPARC platforms. 383 SPARC platforms.
332 384
333 config SPARC_LED 385 config SPARC_LED
334 tristate "Sun4m LED driver" 386 tristate "Sun4m LED driver"
335 depends on SPARC32 387 depends on SPARC32
336 help 388 help
337 This driver toggles the front-panel 389 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 390 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 391 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 392 via writes to /proc/led
341 393
342 config SERIAL_CONSOLE 394 config SERIAL_CONSOLE
343 bool 395 bool
344 depends on SPARC32 396 depends on SPARC32
345 default y 397 default y
346 help !! 398 ---help---
347 If you say Y here, it will be possib 399 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 400 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 401 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 402 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 403 to that serial port.
352 404
353 Even if you say Y here, the currentl 405 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 406 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 407 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 408 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 409 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 410 boot time.)
359 411
360 If you don't have a graphics card in 412 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 413 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 414 system console.
363 415
364 If unsure, say N. 416 If unsure, say N.
365 417
366 config SPARC_LEON 418 config SPARC_LEON
367 bool "Sparc Leon processor family" 419 bool "Sparc Leon processor family"
368 depends on SPARC32 420 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 421 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 422 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO !! 423 ---help---
372 select USB_UHCI_BIG_ENDIAN_DESC <<
373 help <<
374 If you say Y here if you are running 424 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 425 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 426 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 427 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 428 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 429 toolchain at www.gaisler.com.
380 430
381 if SPARC_LEON 431 if SPARC_LEON
382 menu "U-Boot options" 432 menu "U-Boot options"
383 433
384 config UBOOT_LOAD_ADDR 434 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 435 hex "uImage Load Address"
386 default 0x40004000 436 default 0x40004000
387 help !! 437 ---help---
388 U-Boot kernel load address, the addre 438 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 439 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 440 This address is normally the base address of main memory + 0x4000.
391 441
392 config UBOOT_FLASH_ADDR 442 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 443 hex "uImage.o Load Address"
394 default 0x00080000 444 default 0x00080000
395 help !! 445 ---help---
396 Optional setting only affecting the u 446 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 447 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 448 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 449 the GRMON utility before even starting u-boot.
400 450
401 config UBOOT_ENTRY_ADDR 451 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 452 hex "uImage Entry Address"
403 default 0xf0004000 453 default 0xf0004000
404 help !! 454 ---help---
405 Do not change this unless you know wh 455 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 456 hardcoded by the SPARC32 and LEON port.
407 457
408 This is the virtual address u-boot ju 458 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 459 Kernel.
410 460
411 endmenu 461 endmenu
412 endif 462 endif
413 463
414 endmenu 464 endmenu
415 465
416 menu "Bus options (PCI etc.)" 466 menu "Bus options (PCI etc.)"
417 config SBUS 467 config SBUS
418 bool 468 bool
419 default y 469 default y
420 470
421 config SBUSCHAR 471 config SBUSCHAR
422 bool 472 bool
423 default y 473 default y
424 474
425 config SUN_LDOMS 475 config SUN_LDOMS
426 bool "Sun Logical Domains support" 476 bool "Sun Logical Domains support"
427 depends on SPARC64 477 depends on SPARC64
428 help 478 help
429 Say Y here is you want to support vi 479 Say Y here is you want to support virtual devices via
430 Logical Domains. 480 Logical Domains.
431 481
>> 482 config PCI
>> 483 bool "Support for PCI and PS/2 keyboard/mouse"
>> 484 help
>> 485 Find out whether your system includes a PCI bus. PCI is the name of
>> 486 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 487 your box. If you say Y here, the kernel will include drivers and
>> 488 infrastructure code to support PCI bus devices.
>> 489
>> 490 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 491 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 492 All of these platforms are extremely obscure, so say N if unsure.
>> 493
>> 494 config PCI_DOMAINS
>> 495 def_bool PCI if SPARC64
>> 496
>> 497 config PCI_SYSCALL
>> 498 def_bool PCI
>> 499
432 config PCIC_PCI 500 config PCIC_PCI
433 bool 501 bool
434 depends on PCI && SPARC32 && !SPARC_LE 502 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 503 default y
436 504
437 config LEON_PCI 505 config LEON_PCI
438 bool 506 bool
439 depends on PCI && SPARC_LEON 507 depends on PCI && SPARC_LEON
440 default y 508 default y
441 509
442 config SPARC_GRPCI1 510 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 511 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 512 depends on LEON_PCI
445 default y 513 default y
446 help 514 help
447 Say Y here to include the GRPCI Host 515 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 516 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 517 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 518 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 519 on detected PCI Parity and System errors.
452 520
453 config SPARC_GRPCI2 521 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 522 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 523 depends on LEON_PCI
456 default y 524 default y
457 help 525 help
458 Say Y here to include the GRPCI2 Hos 526 Say Y here to include the GRPCI2 Host Bridge Driver.
459 527
>> 528 source "drivers/pci/Kconfig"
>> 529
>> 530 source "drivers/pcmcia/Kconfig"
>> 531
460 config SUN_OPENPROMFS 532 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 533 tristate "Openprom tree appears in /proc/openprom"
462 help 534 help
463 If you say Y, the OpenPROM device tr 535 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 536 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 537 -t openpromfs none /proc/openprom".
466 538
467 To compile the /proc/openprom suppor 539 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 540 module will be called openpromfs.
469 541
470 Only choose N if you know in advance 542 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 543 OpenPROM settings on the running system.
472 544
473 # Makefile helpers 545 # Makefile helpers
474 config SPARC64_PCI 546 config SPARC64_PCI
475 bool 547 bool
476 default y 548 default y
477 depends on SPARC64 && PCI 549 depends on SPARC64 && PCI
478 550
479 config SPARC64_PCI_MSI 551 config SPARC64_PCI_MSI
480 bool 552 bool
481 default y 553 default y
482 depends on SPARC64_PCI && PCI_MSI 554 depends on SPARC64_PCI && PCI_MSI
483 555
484 endmenu 556 endmenu
485 557
>> 558 menu "Executable file formats"
>> 559
>> 560 source "fs/Kconfig.binfmt"
>> 561
486 config COMPAT 562 config COMPAT
487 bool 563 bool
488 depends on SPARC64 564 depends on SPARC64
489 default y 565 default y
>> 566 select COMPAT_BINFMT_ELF
490 select HAVE_UID16 567 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 568 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 569 select COMPAT_OLD_SIGACTION
493 570
>> 571 config SYSVIPC_COMPAT
>> 572 bool
>> 573 depends on COMPAT && SYSVIPC
>> 574 default y
>> 575
>> 576 config KEYS_COMPAT
>> 577 def_bool y if COMPAT && KEYS
>> 578
>> 579 endmenu
>> 580
>> 581 source "net/Kconfig"
>> 582
>> 583 source "drivers/Kconfig"
>> 584
494 source "drivers/sbus/char/Kconfig" 585 source "drivers/sbus/char/Kconfig"
>> 586
>> 587 source "fs/Kconfig"
>> 588
>> 589 source "arch/sparc/Kconfig.debug"
>> 590
>> 591 source "security/Kconfig"
>> 592
>> 593 source "crypto/Kconfig"
>> 594
>> 595 source "lib/Kconfig"
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