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
>> 18 select DMA_OPS
20 select OF 19 select OF
21 select OF_PROMTREE 20 select OF_PROMTREE
22 select HAVE_ASM_MODVERSIONS 21 select HAVE_ASM_MODVERSIONS
>> 22 select HAVE_IDE
>> 23 select HAVE_OPROFILE
23 select HAVE_ARCH_KGDB if !SMP || SPARC 24 select HAVE_ARCH_KGDB if !SMP || SPARC64
24 select HAVE_ARCH_TRACEHOOK 25 select HAVE_ARCH_TRACEHOOK
25 select HAVE_ARCH_SECCOMP if SPARC64 <<
26 select HAVE_EXIT_THREAD 26 select HAVE_EXIT_THREAD
27 select HAVE_PCI 27 select HAVE_PCI
28 select SYSCTL_EXCEPTION_TRACE 28 select SYSCTL_EXCEPTION_TRACE
29 select RTC_CLASS 29 select RTC_CLASS
30 select RTC_DRV_M48T59 30 select RTC_DRV_M48T59
31 select RTC_SYSTOHC 31 select RTC_SYSTOHC
32 select HAVE_ARCH_JUMP_LABEL if SPARC64 32 select HAVE_ARCH_JUMP_LABEL if SPARC64
33 select GENERIC_IRQ_SHOW 33 select GENERIC_IRQ_SHOW
34 select ARCH_WANT_IPC_PARSE_VERSION 34 select ARCH_WANT_IPC_PARSE_VERSION
35 select GENERIC_PCI_IOMAP 35 select GENERIC_PCI_IOMAP
36 select HAS_IOPORT !! 36 select HAVE_NMI_WATCHDOG if SPARC64
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 <<
38 select HAVE_CBPF_JIT if SPARC32 37 select HAVE_CBPF_JIT if SPARC32
39 select HAVE_EBPF_JIT if SPARC64 38 select HAVE_EBPF_JIT if SPARC64
40 select HAVE_DEBUG_BUGVERBOSE 39 select HAVE_DEBUG_BUGVERBOSE
41 select GENERIC_SMP_IDLE_THREAD 40 select GENERIC_SMP_IDLE_THREAD
>> 41 select GENERIC_CLOCKEVENTS
>> 42 select GENERIC_STRNCPY_FROM_USER
>> 43 select GENERIC_STRNLEN_USER
42 select MODULES_USE_ELF_RELA 44 select MODULES_USE_ELF_RELA
43 select PCI_SYSCALL if PCI 45 select PCI_SYSCALL if PCI
44 select PCI_MSI_ARCH_FALLBACKS if PCI_M <<
45 select ODD_RT_SIGACTION 46 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 47 select OLD_SIGSUSPEND
47 select CPU_NO_EFFICIENT_FFS 48 select CPU_NO_EFFICIENT_FFS
48 select LOCKDEP_SMALL if LOCKDEP 49 select LOCKDEP_SMALL if LOCKDEP
49 select NEED_DMA_MAP_STATE 50 select NEED_DMA_MAP_STATE
50 select NEED_SG_DMA_LENGTH 51 select NEED_SG_DMA_LENGTH
51 select TRACE_IRQFLAGS_SUPPORT <<
52 52
53 config SPARC32 53 config SPARC32
54 def_bool !64BIT 54 def_bool !64BIT
55 select ARCH_32BIT_OFF_T 55 select ARCH_32BIT_OFF_T
56 select ARCH_HAS_CPU_FINALIZE_INIT if ! <<
57 select ARCH_HAS_SYNC_DMA_FOR_CPU 56 select ARCH_HAS_SYNC_DMA_FOR_CPU
58 select CLZ_TAB <<
59 select DMA_DIRECT_REMAP <<
60 select GENERIC_ATOMIC64 57 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 !! 58 select CLZ_TAB
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 59 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 60 select OLD_SIGACTION
67 select ZONE_DMA <<
68 61
69 config SPARC64 62 config SPARC64
70 def_bool 64BIT 63 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE <<
72 select HAVE_FUNCTION_TRACER 64 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 65 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 66 select HAVE_KRETPROBES
75 select HAVE_KPROBES 67 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM 68 select MMU_GATHER_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS <<
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 74 select HAVE_TIF_NOHZ
86 select HAVE_DEBUG_KMEMLEAK 75 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER 76 select IOMMU_HELPER
88 select SPARSE_IRQ 77 select SPARSE_IRQ
89 select RTC_DRV_CMOS 78 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 79 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 80 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 81 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 82 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 83 select PERF_USE_VMALLOC
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 <<
110 select HAVE_SETUP_PER_CPU_AREA <<
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK <<
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK <<
113 97
114 config ARCH_PROC_KCORE_TEXT 98 config ARCH_PROC_KCORE_TEXT
115 def_bool y 99 def_bool y
116 100
117 config CPU_BIG_ENDIAN 101 config CPU_BIG_ENDIAN
118 def_bool y 102 def_bool y
119 103
>> 104 config ARCH_ATU
>> 105 bool
>> 106 default y if SPARC64
>> 107
120 config STACKTRACE_SUPPORT 108 config STACKTRACE_SUPPORT
121 bool 109 bool
122 default y if SPARC64 110 default y if SPARC64
123 111
124 config LOCKDEP_SUPPORT 112 config LOCKDEP_SUPPORT
125 bool 113 bool
126 default y if SPARC64 114 default y if SPARC64
127 115
128 config ARCH_HIBERNATION_POSSIBLE 116 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 117 def_bool y if SPARC64
130 118
131 config AUDIT_ARCH 119 config AUDIT_ARCH
132 bool 120 bool
133 default y 121 default y
134 122
>> 123 config HAVE_SETUP_PER_CPU_AREA
>> 124 def_bool y if SPARC64
>> 125
>> 126 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 127 def_bool y if SPARC64
>> 128
>> 129 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 130 def_bool y if SPARC64
>> 131
135 config MMU 132 config MMU
136 bool 133 bool
137 default y 134 default y
138 135
139 config HIGHMEM 136 config HIGHMEM
140 bool 137 bool
141 default y if SPARC32 138 default y if SPARC32
142 select KMAP_LOCAL !! 139
>> 140 config ZONE_DMA
>> 141 bool
>> 142 default y if SPARC32
>> 143
>> 144 config GENERIC_ISA_DMA
>> 145 bool
>> 146 default y if SPARC32
>> 147
>> 148 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 149 def_bool y if SPARC64
143 150
144 config PGTABLE_LEVELS 151 config PGTABLE_LEVELS
145 default 4 if 64BIT 152 default 4 if 64BIT
146 default 3 153 default 3
147 154
148 config ARCH_SUPPORTS_UPROBES 155 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 156 def_bool y if SPARC64
150 157
151 menu "Processor type and features" 158 menu "Processor type and features"
152 159
153 config SMP 160 config SMP
154 bool "Symmetric multi-processing suppo 161 bool "Symmetric multi-processing support"
155 help 162 help
156 This enables support for systems wit 163 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 164 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 165 than one CPU, say Y.
159 166
160 If you say N here, the kernel will r 167 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 168 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 169 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 170 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 171 will run faster if you say N here.
165 172
166 People using multiprocessor machines 173 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 174 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 175 Management" code will be disabled if you say Y here.
169 176
170 See also <file:Documentation/admin-g 177 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 178 available at <http://www.tldp.org/docs.html#howto>.
172 179
173 If you don't know what to do here, s 180 If you don't know what to do here, say N.
174 181
175 config NR_CPUS 182 config NR_CPUS
176 int "Maximum number of CPUs" 183 int "Maximum number of CPUs"
177 depends on SMP 184 depends on SMP
178 range 2 32 if SPARC32 185 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 186 range 2 4096 if SPARC64
180 default 32 if SPARC32 187 default 32 if SPARC32
181 default 4096 if SPARC64 188 default 4096 if SPARC64
182 189
183 source "kernel/Kconfig.hz" 190 source "kernel/Kconfig.hz"
184 191
185 config GENERIC_HWEIGHT 192 config GENERIC_HWEIGHT
186 bool 193 bool
187 default y 194 default y
188 195
189 config GENERIC_CALIBRATE_DELAY 196 config GENERIC_CALIBRATE_DELAY
190 bool 197 bool
191 default y 198 default y
192 199
193 config ARCH_MAY_HAVE_PC_FDC 200 config ARCH_MAY_HAVE_PC_FDC
194 bool 201 bool
195 default y 202 default y
196 203
197 config EMULATED_CMPXCHG 204 config EMULATED_CMPXCHG
198 bool 205 bool
199 default y if SPARC32 206 default y if SPARC32
200 help 207 help
201 Sparc32 does not have a CAS instruct 208 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 209 is emulated, and therefore it is not completely atomic.
203 210
204 # Makefile helpers 211 # Makefile helpers
205 config SPARC32_SMP 212 config SPARC32_SMP
206 bool 213 bool
207 default y 214 default y
208 depends on SPARC32 && SMP 215 depends on SPARC32 && SMP
209 216
210 config SPARC64_SMP 217 config SPARC64_SMP
211 bool 218 bool
212 default y 219 default y
213 depends on SPARC64 && SMP 220 depends on SPARC64 && SMP
214 221
215 config EARLYFB 222 config EARLYFB
216 bool "Support for early boot text cons 223 bool "Support for early boot text console"
217 default y 224 default y
218 depends on SPARC64 225 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 226 help
222 Say Y here to enable a faster early 227 Say Y here to enable a faster early framebuffer boot console.
223 228
>> 229 config SECCOMP
>> 230 bool "Enable seccomp to safely compute untrusted bytecode"
>> 231 depends on SPARC64 && PROC_FS
>> 232 default y
>> 233 help
>> 234 This kernel feature is useful for number crunching applications
>> 235 that may need to compute untrusted bytecode during their
>> 236 execution. By using pipes or other transports made available to
>> 237 the process as file descriptors supporting the read/write
>> 238 syscalls, it's possible to isolate those applications in
>> 239 their own address space using seccomp. Once seccomp is
>> 240 enabled via /proc/<pid>/seccomp, it cannot be disabled
>> 241 and the task is only allowed to execute a few safe syscalls
>> 242 defined by each seccomp mode.
>> 243
>> 244 If unsure, say Y. Only embedded should say N here.
>> 245
224 config HOTPLUG_CPU 246 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 247 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 248 depends on SPARC64 && SMP
227 help 249 help
228 Say Y here to experiment with turnin 250 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 251 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 252 Say N if you want to disable CPU hotplug.
231 253
232 if SPARC64 254 if SPARC64
233 source "drivers/cpufreq/Kconfig" 255 source "drivers/cpufreq/Kconfig"
234 endif 256 endif
235 257
236 config US3_MC 258 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 259 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 260 depends on SPARC64
239 default y 261 default y
240 help 262 help
241 This adds a driver for the UltraSPAR 263 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 264 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 265 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 266 on the motherboard can be matched to the error.
245 267
246 If in doubt, say Y, as this informat 268 If in doubt, say Y, as this information can be very useful.
247 269
248 # Global things across all Sun machines. 270 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 271 config GENERIC_LOCKBREAK
250 bool 272 bool
251 default y 273 default y
252 depends on SPARC64 && SMP && PREEMPTIO 274 depends on SPARC64 && SMP && PREEMPTION
253 275
254 config NUMA 276 config NUMA
255 bool "NUMA support" 277 bool "NUMA support"
256 depends on SPARC64 && SMP 278 depends on SPARC64 && SMP
257 279
258 config NODES_SHIFT 280 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 281 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 282 range 4 5 if SPARC64
261 default "5" 283 default "5"
262 depends on NUMA !! 284 depends on NEED_MULTIPLE_NODES
263 help 285 help
264 Specify the maximum number of NUMA N 286 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 287 system. Increases memory reserved to accommodate various tables.
266 288
267 config ARCH_SPARSEMEM_ENABLE 289 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 290 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 291 select SPARSEMEM_VMEMMAP_ENABLE
270 292
271 config ARCH_SPARSEMEM_DEFAULT 293 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 294 def_bool y if SPARC64
273 295
274 config ARCH_FORCE_MAX_ORDER !! 296 config FORCE_MAX_ZONEORDER
275 int "Order of maximal physically conti !! 297 int "Maximum zone order"
276 default "12" !! 298 default "13"
277 help !! 299 help
278 The kernel page allocator limits the !! 300 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 301 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 302 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 303 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 304 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 305 increase this value.
284 306
285 Don't change if unsure. !! 307 This config option is actually maximum order plus one. For example,
>> 308 a value of 13 means that the largest free memory block is 2^12 pages.
286 309
287 if SPARC64 || COMPILE_TEST !! 310 if SPARC64
288 source "kernel/power/Kconfig" 311 source "kernel/power/Kconfig"
289 endif 312 endif
290 313
291 config SCHED_SMT 314 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 315 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 316 depends on SPARC64 && SMP
294 default y 317 default y
295 help 318 help
296 SMT scheduler support improves the C 319 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 320 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 321 in some places. If unsure say N here.
299 322
300 config SCHED_MC 323 config SCHED_MC
301 bool "Multi-core scheduler support" 324 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 325 depends on SPARC64 && SMP
303 default y 326 default y
304 help 327 help
305 Multi-core scheduler support improve 328 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 329 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 330 increased overhead in some places. If unsure say N here.
308 331
309 config CMDLINE_BOOL 332 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 333 bool "Default bootloader kernel arguments"
311 depends on SPARC64 334 depends on SPARC64
312 335
313 config CMDLINE 336 config CMDLINE
314 string "Initial kernel command string" 337 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 338 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 339 default "console=ttyS0,9600 root=/dev/sda1"
317 help 340 help
318 Say Y here if you want to be able to 341 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 342 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 343 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 344 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 345 with having them passed on the command line.
323 346
324 NOTE: This option WILL override the 347 NOTE: This option WILL override the PROM bootargs setting!
325 348
326 config SUN_PM 349 config SUN_PM
327 bool 350 bool
328 default y if SPARC32 351 default y if SPARC32
329 help 352 help
330 Enable power management and CPU stan 353 Enable power management and CPU standby features on supported
331 SPARC platforms. 354 SPARC platforms.
332 355
333 config SPARC_LED 356 config SPARC_LED
334 tristate "Sun4m LED driver" 357 tristate "Sun4m LED driver"
335 depends on SPARC32 358 depends on SPARC32
336 help 359 help
337 This driver toggles the front-panel 360 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 361 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 362 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 363 via writes to /proc/led
341 364
342 config SERIAL_CONSOLE 365 config SERIAL_CONSOLE
343 bool 366 bool
344 depends on SPARC32 367 depends on SPARC32
345 default y 368 default y
346 help 369 help
347 If you say Y here, it will be possib 370 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 371 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 372 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 373 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 374 to that serial port.
352 375
353 Even if you say Y here, the currentl 376 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 377 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 378 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 379 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 380 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 381 boot time.)
359 382
360 If you don't have a graphics card in 383 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 384 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 385 system console.
363 386
364 If unsure, say N. 387 If unsure, say N.
365 388
366 config SPARC_LEON 389 config SPARC_LEON
367 bool "Sparc Leon processor family" 390 bool "Sparc Leon processor family"
368 depends on SPARC32 391 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 392 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 393 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 394 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 395 select USB_UHCI_BIG_ENDIAN_DESC
373 help 396 help
374 If you say Y here if you are running 397 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 398 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 399 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 400 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 401 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 402 toolchain at www.gaisler.com.
380 403
381 if SPARC_LEON 404 if SPARC_LEON
382 menu "U-Boot options" 405 menu "U-Boot options"
383 406
384 config UBOOT_LOAD_ADDR 407 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 408 hex "uImage Load Address"
386 default 0x40004000 409 default 0x40004000
387 help 410 help
388 U-Boot kernel load address, the addre 411 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 412 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 413 This address is normally the base address of main memory + 0x4000.
391 414
392 config UBOOT_FLASH_ADDR 415 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 416 hex "uImage.o Load Address"
394 default 0x00080000 417 default 0x00080000
395 help 418 help
396 Optional setting only affecting the u 419 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 420 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 421 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 422 the GRMON utility before even starting u-boot.
400 423
401 config UBOOT_ENTRY_ADDR 424 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 425 hex "uImage Entry Address"
403 default 0xf0004000 426 default 0xf0004000
404 help 427 help
405 Do not change this unless you know wh 428 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 429 hardcoded by the SPARC32 and LEON port.
407 430
408 This is the virtual address u-boot ju 431 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 432 Kernel.
410 433
411 endmenu 434 endmenu
412 endif 435 endif
413 436
414 endmenu 437 endmenu
415 438
416 menu "Bus options (PCI etc.)" 439 menu "Bus options (PCI etc.)"
417 config SBUS 440 config SBUS
418 bool 441 bool
419 default y 442 default y
420 443
421 config SBUSCHAR 444 config SBUSCHAR
422 bool 445 bool
423 default y 446 default y
424 447
425 config SUN_LDOMS 448 config SUN_LDOMS
426 bool "Sun Logical Domains support" 449 bool "Sun Logical Domains support"
427 depends on SPARC64 450 depends on SPARC64
428 help 451 help
429 Say Y here is you want to support vi 452 Say Y here is you want to support virtual devices via
430 Logical Domains. 453 Logical Domains.
431 454
432 config PCIC_PCI 455 config PCIC_PCI
433 bool 456 bool
434 depends on PCI && SPARC32 && !SPARC_LE 457 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 458 default y
436 459
437 config LEON_PCI 460 config LEON_PCI
438 bool 461 bool
439 depends on PCI && SPARC_LEON 462 depends on PCI && SPARC_LEON
440 default y 463 default y
441 464
442 config SPARC_GRPCI1 465 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 466 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 467 depends on LEON_PCI
445 default y 468 default y
446 help 469 help
447 Say Y here to include the GRPCI Host 470 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 471 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 472 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 473 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 474 on detected PCI Parity and System errors.
452 475
453 config SPARC_GRPCI2 476 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 477 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 478 depends on LEON_PCI
456 default y 479 default y
457 help 480 help
458 Say Y here to include the GRPCI2 Hos 481 Say Y here to include the GRPCI2 Host Bridge Driver.
459 482
460 config SUN_OPENPROMFS 483 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 484 tristate "Openprom tree appears in /proc/openprom"
462 help 485 help
463 If you say Y, the OpenPROM device tr 486 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 487 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 488 -t openpromfs none /proc/openprom".
466 489
467 To compile the /proc/openprom suppor 490 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 491 module will be called openpromfs.
469 492
470 Only choose N if you know in advance 493 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 494 OpenPROM settings on the running system.
472 495
473 # Makefile helpers 496 # Makefile helpers
474 config SPARC64_PCI 497 config SPARC64_PCI
475 bool 498 bool
476 default y 499 default y
477 depends on SPARC64 && PCI 500 depends on SPARC64 && PCI
478 501
479 config SPARC64_PCI_MSI 502 config SPARC64_PCI_MSI
480 bool 503 bool
481 default y 504 default y
482 depends on SPARC64_PCI && PCI_MSI 505 depends on SPARC64_PCI && PCI_MSI
483 506
484 endmenu 507 endmenu
485 508
486 config COMPAT 509 config COMPAT
487 bool 510 bool
488 depends on SPARC64 511 depends on SPARC64
489 default y 512 default y
>> 513 select COMPAT_BINFMT_ELF
490 select HAVE_UID16 514 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 515 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 516 select COMPAT_OLD_SIGACTION
>> 517
>> 518 config SYSVIPC_COMPAT
>> 519 bool
>> 520 depends on COMPAT && SYSVIPC
>> 521 default y
493 522
494 source "drivers/sbus/char/Kconfig" 523 source "drivers/sbus/char/Kconfig"
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