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