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