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 <<
19 select ARCH_MIGHT_HAVE_PC_SERIO <<
20 select OF 15 select OF
21 select OF_PROMTREE 16 select OF_PROMTREE
22 select HAVE_ASM_MODVERSIONS !! 17 select HAVE_IDE
>> 18 select HAVE_OPROFILE
23 select HAVE_ARCH_KGDB if !SMP || SPARC 19 select HAVE_ARCH_KGDB if !SMP || SPARC64
24 select HAVE_ARCH_TRACEHOOK 20 select HAVE_ARCH_TRACEHOOK
25 select HAVE_ARCH_SECCOMP if SPARC64 <<
26 select HAVE_EXIT_THREAD <<
27 select HAVE_PCI <<
28 select SYSCTL_EXCEPTION_TRACE 21 select SYSCTL_EXCEPTION_TRACE
>> 22 select ARCH_WANT_OPTIONAL_GPIOLIB
>> 23 select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
29 select RTC_CLASS 24 select RTC_CLASS
30 select RTC_DRV_M48T59 25 select RTC_DRV_M48T59
31 select RTC_SYSTOHC !! 26 select HAVE_DMA_ATTRS
>> 27 select HAVE_DMA_API_DEBUG
32 select HAVE_ARCH_JUMP_LABEL if SPARC64 28 select HAVE_ARCH_JUMP_LABEL if SPARC64
>> 29 select HAVE_GENERIC_HARDIRQS
33 select GENERIC_IRQ_SHOW 30 select GENERIC_IRQ_SHOW
34 select ARCH_WANT_IPC_PARSE_VERSION 31 select ARCH_WANT_IPC_PARSE_VERSION
>> 32 select USE_GENERIC_SMP_HELPERS if SMP
35 select GENERIC_PCI_IOMAP 33 select GENERIC_PCI_IOMAP
36 select HAS_IOPORT !! 34 select HAVE_NMI_WATCHDOG if SPARC64
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 !! 35 select HAVE_BPF_JIT
38 select HAVE_CBPF_JIT if SPARC32 <<
39 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_CMOS_UPDATE
>> 39 select GENERIC_CLOCKEVENTS
>> 40 select GENERIC_STRNCPY_FROM_USER
>> 41 select GENERIC_STRNLEN_USER
42 select MODULES_USE_ELF_RELA 42 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 43 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 44 select OLD_SIGSUSPEND
47 select CPU_NO_EFFICIENT_FFS <<
48 select LOCKDEP_SMALL if LOCKDEP <<
49 select NEED_DMA_MAP_STATE <<
50 select NEED_SG_DMA_LENGTH <<
51 select TRACE_IRQFLAGS_SUPPORT <<
52 45
53 config SPARC32 46 config SPARC32
54 def_bool !64BIT 47 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 48 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 !! 49 select CLZ_TAB
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 50 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 51 select OLD_SIGACTION
67 select ZONE_DMA <<
68 52
69 config SPARC64 53 config SPARC64
70 def_bool 64BIT 54 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE !! 55 select ARCH_SUPPORTS_MSI
72 select HAVE_FUNCTION_TRACER 56 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 57 select HAVE_FUNCTION_GRAPH_TRACER
>> 58 select HAVE_FUNCTION_GRAPH_FP_TEST
>> 59 select HAVE_FUNCTION_TRACE_MCOUNT_TEST
74 select HAVE_KRETPROBES 60 select HAVE_KRETPROBES
75 select HAVE_KPROBES 61 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM !! 62 select HAVE_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS !! 63 select HAVE_MEMBLOCK
78 select MMU_GATHER_NO_FLUSH_CACHE !! 64 select HAVE_MEMBLOCK_NODE_MAP
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 65 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 66 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 67 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 68 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER <<
85 select HAVE_TIF_NOHZ <<
86 select HAVE_DEBUG_KMEMLEAK 69 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER <<
88 select SPARSE_IRQ <<
89 select RTC_DRV_CMOS 70 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 71 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 72 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 73 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 74 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 75 select PERF_USE_VMALLOC
>> 76 select IRQ_PREFLOW_FASTEOI
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 77 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 78 select HAVE_C_RECORDMCOUNT
97 select HAVE_ARCH_AUDITSYSCALL !! 79 select NO_BOOTMEM
98 select ARCH_SUPPORTS_ATOMIC_RMW 80 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
100 select HAVE_NMI <<
101 select HAVE_REGS_AND_STACK_ACCESS_API <<
102 select ARCH_USE_QUEUED_RWLOCKS <<
103 select ARCH_USE_QUEUED_SPINLOCKS <<
104 select GENERIC_TIME_VSYSCALL <<
105 select ARCH_CLOCKSOURCE_DATA <<
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 81
114 config ARCH_PROC_KCORE_TEXT !! 82 config ARCH_DEFCONFIG
115 def_bool y !! 83 string
>> 84 default "arch/sparc/configs/sparc32_defconfig" if SPARC32
>> 85 default "arch/sparc/configs/sparc64_defconfig" if SPARC64
116 86
117 config CPU_BIG_ENDIAN !! 87 config IOMMU_HELPER
118 def_bool y !! 88 bool
>> 89 default y if SPARC64
119 90
120 config STACKTRACE_SUPPORT 91 config STACKTRACE_SUPPORT
121 bool 92 bool
122 default y if SPARC64 93 default y if SPARC64
123 94
124 config LOCKDEP_SUPPORT 95 config LOCKDEP_SUPPORT
125 bool 96 bool
126 default y if SPARC64 97 default y if SPARC64
127 98
>> 99 config HAVE_LATENCYTOP_SUPPORT
>> 100 bool
>> 101 default y if SPARC64
>> 102
128 config ARCH_HIBERNATION_POSSIBLE 103 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 104 def_bool y if SPARC64
130 105
131 config AUDIT_ARCH 106 config AUDIT_ARCH
132 bool 107 bool
133 default y 108 default y
134 109
>> 110 config HAVE_SETUP_PER_CPU_AREA
>> 111 def_bool y if SPARC64
>> 112
>> 113 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 114 def_bool y if SPARC64
>> 115
>> 116 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 117 def_bool y if SPARC64
>> 118
135 config MMU 119 config MMU
136 bool 120 bool
137 default y 121 default y
138 122
139 config HIGHMEM 123 config HIGHMEM
140 bool 124 bool
141 default y if SPARC32 125 default y if SPARC32
142 select KMAP_LOCAL <<
143 126
144 config PGTABLE_LEVELS !! 127 config ZONE_DMA
145 default 4 if 64BIT !! 128 bool
146 default 3 !! 129 default y if SPARC32
>> 130
>> 131 config NEED_DMA_MAP_STATE
>> 132 def_bool y
>> 133
>> 134 config NEED_SG_DMA_LENGTH
>> 135 def_bool y
147 136
148 config ARCH_SUPPORTS_UPROBES !! 137 config GENERIC_ISA_DMA
>> 138 bool
>> 139 default y if SPARC32
>> 140
>> 141 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
149 def_bool y if SPARC64 142 def_bool y if SPARC64
150 143
>> 144 source "init/Kconfig"
>> 145
>> 146 source "kernel/Kconfig.freezer"
>> 147
151 menu "Processor type and features" 148 menu "Processor type and features"
152 149
153 config SMP 150 config SMP
154 bool "Symmetric multi-processing suppo 151 bool "Symmetric multi-processing support"
155 help !! 152 ---help---
156 This enables support for systems wit 153 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 154 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 155 than one CPU, say Y.
159 156
160 If you say N here, the kernel will r !! 157 If you say N here, the kernel will run on single and multiprocessor
161 machines, but will use only one CPU 158 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 159 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce !! 160 singleprocessor machines. On a singleprocessor machine, the kernel
164 will run faster if you say N here. 161 will run faster if you say N here.
165 162
166 People using multiprocessor machines 163 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 164 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 165 Management" code will be disabled if you say Y here.
169 166
170 See also <file:Documentation/admin-g !! 167 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 168 available at <http://www.tldp.org/docs.html#howto>.
172 169
173 If you don't know what to do here, s 170 If you don't know what to do here, say N.
174 171
175 config NR_CPUS 172 config NR_CPUS
176 int "Maximum number of CPUs" 173 int "Maximum number of CPUs"
177 depends on SMP 174 depends on SMP
178 range 2 32 if SPARC32 175 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 !! 176 range 2 1024 if SPARC64
180 default 32 if SPARC32 177 default 32 if SPARC32
181 default 4096 if SPARC64 !! 178 default 64 if SPARC64
182 179
183 source "kernel/Kconfig.hz" !! 180 source kernel/Kconfig.hz
>> 181
>> 182 config RWSEM_GENERIC_SPINLOCK
>> 183 bool
>> 184 default y if SPARC32
>> 185
>> 186 config RWSEM_XCHGADD_ALGORITHM
>> 187 bool
>> 188 default y if SPARC64
184 189
185 config GENERIC_HWEIGHT 190 config GENERIC_HWEIGHT
186 bool 191 bool
187 default y 192 default y
188 193
189 config GENERIC_CALIBRATE_DELAY 194 config GENERIC_CALIBRATE_DELAY
190 bool 195 bool
191 default y 196 default y
192 197
193 config ARCH_MAY_HAVE_PC_FDC 198 config ARCH_MAY_HAVE_PC_FDC
194 bool 199 bool
195 default y 200 default y
196 201
197 config EMULATED_CMPXCHG 202 config EMULATED_CMPXCHG
198 bool 203 bool
199 default y if SPARC32 204 default y if SPARC32
200 help 205 help
201 Sparc32 does not have a CAS instruct 206 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 207 is emulated, and therefore it is not completely atomic.
203 208
204 # Makefile helpers 209 # Makefile helpers
205 config SPARC32_SMP 210 config SPARC32_SMP
206 bool 211 bool
207 default y 212 default y
208 depends on SPARC32 && SMP 213 depends on SPARC32 && SMP
209 214
210 config SPARC64_SMP 215 config SPARC64_SMP
211 bool 216 bool
212 default y 217 default y
213 depends on SPARC64 && SMP 218 depends on SPARC64 && SMP
214 219
215 config EARLYFB 220 config EARLYFB
216 bool "Support for early boot text cons 221 bool "Support for early boot text console"
217 default y 222 default y
218 depends on SPARC64 223 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 224 help
222 Say Y here to enable a faster early 225 Say Y here to enable a faster early framebuffer boot console.
223 226
>> 227 config SECCOMP
>> 228 bool "Enable seccomp to safely compute untrusted bytecode"
>> 229 depends on SPARC64 && PROC_FS
>> 230 default y
>> 231 help
>> 232 This kernel feature is useful for number crunching applications
>> 233 that may need to compute untrusted bytecode during their
>> 234 execution. By using pipes or other transports made available to
>> 235 the process as file descriptors supporting the read/write
>> 236 syscalls, it's possible to isolate those applications in
>> 237 their own address space using seccomp. Once seccomp is
>> 238 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 239 and the task is only allowed to execute a few safe syscalls
>> 240 defined by each seccomp mode.
>> 241
>> 242 If unsure, say Y. Only embedded should say N here.
>> 243
224 config HOTPLUG_CPU 244 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 245 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 246 depends on SPARC64 && SMP
>> 247 select HOTPLUG
227 help 248 help
228 Say Y here to experiment with turnin 249 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 250 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 251 Say N if you want to disable CPU hotplug.
231 252
232 if SPARC64 253 if SPARC64
233 source "drivers/cpufreq/Kconfig" 254 source "drivers/cpufreq/Kconfig"
234 endif 255 endif
235 256
236 config US3_MC 257 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 258 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 259 depends on SPARC64
239 default y 260 default y
240 help 261 help
241 This adds a driver for the UltraSPAR 262 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 263 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 264 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 265 on the motherboard can be matched to the error.
245 266
246 If in doubt, say Y, as this informat 267 If in doubt, say Y, as this information can be very useful.
247 268
248 # Global things across all Sun machines. 269 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 270 config GENERIC_LOCKBREAK
250 bool 271 bool
251 default y 272 default y
252 depends on SPARC64 && SMP && PREEMPTIO !! 273 depends on SPARC64 && SMP && PREEMPT
253 274
254 config NUMA 275 config NUMA
255 bool "NUMA support" 276 bool "NUMA support"
256 depends on SPARC64 && SMP 277 depends on SPARC64 && SMP
257 278
258 config NODES_SHIFT 279 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of !! 280 int
260 range 4 5 if SPARC64 !! 281 default "4"
261 default "5" !! 282 depends on NEED_MULTIPLE_NODES
262 depends on NUMA !! 283
263 help !! 284 # Some NUMA nodes have memory ranges that span
264 Specify the maximum number of NUMA N !! 285 # other nodes. Even though a pfn is valid and
265 system. Increases memory reserved t !! 286 # between a node's start and end pfns, it may not
>> 287 # reside on that node. See memmap_init_zone()
>> 288 # for details.
>> 289 config NODES_SPAN_OTHER_NODES
>> 290 def_bool y
>> 291 depends on NEED_MULTIPLE_NODES
>> 292
>> 293 config ARCH_SELECT_MEMORY_MODEL
>> 294 def_bool y if SPARC64
266 295
267 config ARCH_SPARSEMEM_ENABLE 296 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 297 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 298 select SPARSEMEM_VMEMMAP_ENABLE
270 299
271 config ARCH_SPARSEMEM_DEFAULT 300 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 301 def_bool y if SPARC64
273 302
274 config ARCH_FORCE_MAX_ORDER !! 303 source "mm/Kconfig"
275 int "Order of maximal physically conti <<
276 default "12" <<
277 help <<
278 The kernel page allocator limits the <<
279 contiguous allocations. The limit is <<
280 defines the maximal power of two of <<
281 allocated as a single contiguous blo <<
282 overriding the default setting when <<
283 large blocks of physically contiguou <<
284 304
285 Don't change if unsure. !! 305 if SPARC64
286 <<
287 if SPARC64 || COMPILE_TEST <<
288 source "kernel/power/Kconfig" 306 source "kernel/power/Kconfig"
289 endif 307 endif
290 308
291 config SCHED_SMT 309 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 310 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 311 depends on SPARC64 && SMP
294 default y 312 default y
295 help 313 help
296 SMT scheduler support improves the C 314 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 315 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 316 in some places. If unsure say N here.
299 317
300 config SCHED_MC 318 config SCHED_MC
301 bool "Multi-core scheduler support" 319 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 320 depends on SPARC64 && SMP
303 default y 321 default y
304 help 322 help
305 Multi-core scheduler support improve 323 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 324 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 325 increased overhead in some places. If unsure say N here.
308 326
>> 327 source "kernel/Kconfig.preempt"
>> 328
309 config CMDLINE_BOOL 329 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 330 bool "Default bootloader kernel arguments"
311 depends on SPARC64 331 depends on SPARC64
312 332
313 config CMDLINE 333 config CMDLINE
314 string "Initial kernel command string" 334 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 335 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 336 default "console=ttyS0,9600 root=/dev/sda1"
317 help 337 help
318 Say Y here if you want to be able to 338 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 339 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 340 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 341 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 342 with having them passed on the command line.
323 343
324 NOTE: This option WILL override the 344 NOTE: This option WILL override the PROM bootargs setting!
325 345
326 config SUN_PM 346 config SUN_PM
327 bool 347 bool
328 default y if SPARC32 348 default y if SPARC32
329 help 349 help
330 Enable power management and CPU stan 350 Enable power management and CPU standby features on supported
331 SPARC platforms. 351 SPARC platforms.
332 352
333 config SPARC_LED 353 config SPARC_LED
334 tristate "Sun4m LED driver" 354 tristate "Sun4m LED driver"
335 depends on SPARC32 355 depends on SPARC32
336 help 356 help
337 This driver toggles the front-panel 357 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 358 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 359 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 360 via writes to /proc/led
341 361
342 config SERIAL_CONSOLE 362 config SERIAL_CONSOLE
343 bool 363 bool
344 depends on SPARC32 364 depends on SPARC32
345 default y 365 default y
346 help !! 366 ---help---
347 If you say Y here, it will be possib 367 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 368 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 369 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 370 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 371 to that serial port.
352 372
353 Even if you say Y here, the currentl 373 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 374 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 375 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 376 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 377 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 378 boot time.)
359 379
360 If you don't have a graphics card in 380 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 381 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 382 system console.
363 383
364 If unsure, say N. 384 If unsure, say N.
365 385
366 config SPARC_LEON 386 config SPARC_LEON
367 bool "Sparc Leon processor family" 387 bool "Sparc Leon processor family"
368 depends on SPARC32 388 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 389 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 390 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO !! 391 ---help---
372 select USB_UHCI_BIG_ENDIAN_DESC <<
373 help <<
374 If you say Y here if you are running 392 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 393 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 394 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 395 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 396 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 397 toolchain at www.gaisler.com.
380 398
381 if SPARC_LEON 399 if SPARC_LEON
382 menu "U-Boot options" 400 menu "U-Boot options"
383 401
384 config UBOOT_LOAD_ADDR 402 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 403 hex "uImage Load Address"
386 default 0x40004000 404 default 0x40004000
387 help !! 405 ---help---
388 U-Boot kernel load address, the addre 406 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 407 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 408 This address is normally the base address of main memory + 0x4000.
391 409
392 config UBOOT_FLASH_ADDR 410 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 411 hex "uImage.o Load Address"
394 default 0x00080000 412 default 0x00080000
395 help !! 413 ---help---
396 Optional setting only affecting the u 414 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 415 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 416 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 417 the GRMON utility before even starting u-boot.
400 418
401 config UBOOT_ENTRY_ADDR 419 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 420 hex "uImage Entry Address"
403 default 0xf0004000 421 default 0xf0004000
404 help !! 422 ---help---
405 Do not change this unless you know wh 423 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 424 hardcoded by the SPARC32 and LEON port.
407 425
408 This is the virtual address u-boot ju 426 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 427 Kernel.
410 428
411 endmenu 429 endmenu
412 endif 430 endif
413 431
414 endmenu 432 endmenu
415 433
416 menu "Bus options (PCI etc.)" 434 menu "Bus options (PCI etc.)"
417 config SBUS 435 config SBUS
418 bool 436 bool
419 default y 437 default y
420 438
421 config SBUSCHAR 439 config SBUSCHAR
422 bool 440 bool
423 default y 441 default y
424 442
425 config SUN_LDOMS 443 config SUN_LDOMS
426 bool "Sun Logical Domains support" 444 bool "Sun Logical Domains support"
427 depends on SPARC64 445 depends on SPARC64
428 help 446 help
429 Say Y here is you want to support vi 447 Say Y here is you want to support virtual devices via
430 Logical Domains. 448 Logical Domains.
431 449
>> 450 config PCI
>> 451 bool "Support for PCI and PS/2 keyboard/mouse"
>> 452 help
>> 453 Find out whether your system includes a PCI bus. PCI is the name of
>> 454 a bus system, i.e. the way the CPU talks to the other stuff inside
>> 455 your box. If you say Y here, the kernel will include drivers and
>> 456 infrastructure code to support PCI bus devices.
>> 457
>> 458 CONFIG_PCI is needed for all JavaStation's (including MrCoffee),
>> 459 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC.
>> 460 All of these platforms are extremely obscure, so say N if unsure.
>> 461
>> 462 config PCI_DOMAINS
>> 463 def_bool PCI if SPARC64
>> 464
>> 465 config PCI_SYSCALL
>> 466 def_bool PCI
>> 467
432 config PCIC_PCI 468 config PCIC_PCI
433 bool 469 bool
434 depends on PCI && SPARC32 && !SPARC_LE 470 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 471 default y
436 472
437 config LEON_PCI 473 config LEON_PCI
438 bool 474 bool
439 depends on PCI && SPARC_LEON 475 depends on PCI && SPARC_LEON
440 default y 476 default y
441 477
442 config SPARC_GRPCI1 478 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 479 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 480 depends on LEON_PCI
445 default y 481 default y
446 help 482 help
447 Say Y here to include the GRPCI Host 483 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 484 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 485 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 486 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 487 on detected PCI Parity and System errors.
452 488
453 config SPARC_GRPCI2 489 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 490 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 491 depends on LEON_PCI
456 default y 492 default y
457 help 493 help
458 Say Y here to include the GRPCI2 Hos 494 Say Y here to include the GRPCI2 Host Bridge Driver.
459 495
>> 496 source "drivers/pci/Kconfig"
>> 497
>> 498 source "drivers/pcmcia/Kconfig"
>> 499
460 config SUN_OPENPROMFS 500 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 501 tristate "Openprom tree appears in /proc/openprom"
462 help 502 help
463 If you say Y, the OpenPROM device tr 503 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 504 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 505 -t openpromfs none /proc/openprom".
466 506
467 To compile the /proc/openprom suppor 507 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 508 module will be called openpromfs.
469 509
470 Only choose N if you know in advance 510 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 511 OpenPROM settings on the running system.
472 512
473 # Makefile helpers !! 513 # Makefile helper
474 config SPARC64_PCI 514 config SPARC64_PCI
475 bool 515 bool
476 default y 516 default y
477 depends on SPARC64 && PCI 517 depends on SPARC64 && PCI
478 518
479 config SPARC64_PCI_MSI <<
480 bool <<
481 default y <<
482 depends on SPARC64_PCI && PCI_MSI <<
483 <<
484 endmenu 519 endmenu
485 520
>> 521 menu "Executable file formats"
>> 522
>> 523 source "fs/Kconfig.binfmt"
>> 524
486 config COMPAT 525 config COMPAT
487 bool 526 bool
488 depends on SPARC64 527 depends on SPARC64
489 default y 528 default y
>> 529 select COMPAT_BINFMT_ELF
490 select HAVE_UID16 530 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 531 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 532 select COMPAT_OLD_SIGACTION
493 533
>> 534 config SYSVIPC_COMPAT
>> 535 bool
>> 536 depends on COMPAT && SYSVIPC
>> 537 default y
>> 538
>> 539 config KEYS_COMPAT
>> 540 def_bool y if COMPAT && KEYS
>> 541
>> 542 endmenu
>> 543
>> 544 source "net/Kconfig"
>> 545
>> 546 source "drivers/Kconfig"
>> 547
494 source "drivers/sbus/char/Kconfig" 548 source "drivers/sbus/char/Kconfig"
>> 549
>> 550 source "fs/Kconfig"
>> 551
>> 552 source "arch/sparc/Kconfig.debug"
>> 553
>> 554 source "security/Kconfig"
>> 555
>> 556 source "crypto/Kconfig"
>> 557
>> 558 source "lib/Kconfig"
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