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