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