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