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_ARCH_SECCOMP if SPARC64
26 select HAVE_EXIT_THREAD 27 select HAVE_EXIT_THREAD
27 select HAVE_PCI 28 select HAVE_PCI
28 select SYSCTL_EXCEPTION_TRACE 29 select SYSCTL_EXCEPTION_TRACE
29 select RTC_CLASS 30 select RTC_CLASS
30 select RTC_DRV_M48T59 31 select RTC_DRV_M48T59
31 select RTC_SYSTOHC 32 select RTC_SYSTOHC
32 select HAVE_ARCH_JUMP_LABEL if SPARC64 33 select HAVE_ARCH_JUMP_LABEL if SPARC64
33 select GENERIC_IRQ_SHOW 34 select GENERIC_IRQ_SHOW
34 select ARCH_WANT_IPC_PARSE_VERSION 35 select ARCH_WANT_IPC_PARSE_VERSION
35 select GENERIC_PCI_IOMAP 36 select GENERIC_PCI_IOMAP
36 select HAS_IOPORT !! 37 select HAVE_NMI_WATCHDOG if SPARC64
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 <<
38 select HAVE_CBPF_JIT if SPARC32 38 select HAVE_CBPF_JIT if SPARC32
39 select HAVE_EBPF_JIT if SPARC64 39 select HAVE_EBPF_JIT if SPARC64
40 select HAVE_DEBUG_BUGVERBOSE 40 select HAVE_DEBUG_BUGVERBOSE
41 select GENERIC_SMP_IDLE_THREAD 41 select GENERIC_SMP_IDLE_THREAD
>> 42 select GENERIC_CLOCKEVENTS
>> 43 select GENERIC_STRNCPY_FROM_USER
>> 44 select GENERIC_STRNLEN_USER
42 select MODULES_USE_ELF_RELA 45 select MODULES_USE_ELF_RELA
43 select PCI_SYSCALL if PCI 46 select PCI_SYSCALL if PCI
44 select PCI_MSI_ARCH_FALLBACKS if PCI_M 47 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
45 select ODD_RT_SIGACTION 48 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 49 select OLD_SIGSUSPEND
47 select CPU_NO_EFFICIENT_FFS 50 select CPU_NO_EFFICIENT_FFS
48 select LOCKDEP_SMALL if LOCKDEP 51 select LOCKDEP_SMALL if LOCKDEP
49 select NEED_DMA_MAP_STATE 52 select NEED_DMA_MAP_STATE
50 select NEED_SG_DMA_LENGTH 53 select NEED_SG_DMA_LENGTH
51 select TRACE_IRQFLAGS_SUPPORT !! 54 select SET_FS
52 55
53 config SPARC32 56 config SPARC32
54 def_bool !64BIT 57 def_bool !64BIT
55 select ARCH_32BIT_OFF_T 58 select ARCH_32BIT_OFF_T
56 select ARCH_HAS_CPU_FINALIZE_INIT if ! 59 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
57 select ARCH_HAS_SYNC_DMA_FOR_CPU 60 select ARCH_HAS_SYNC_DMA_FOR_CPU
58 select CLZ_TAB <<
59 select DMA_DIRECT_REMAP <<
60 select GENERIC_ATOMIC64 61 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 !! 62 select CLZ_TAB
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 63 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 64 select OLD_SIGACTION
67 select ZONE_DMA <<
68 65
69 config SPARC64 66 config SPARC64
70 def_bool 64BIT 67 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE <<
72 select HAVE_FUNCTION_TRACER 68 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 69 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 70 select HAVE_KRETPROBES
75 select HAVE_KPROBES 71 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM 72 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 73 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 74 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 75 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 76 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER !! 77 select HAVE_CONTEXT_TRACKING
85 select HAVE_TIF_NOHZ 78 select HAVE_TIF_NOHZ
86 select HAVE_DEBUG_KMEMLEAK 79 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER 80 select IOMMU_HELPER
88 select SPARSE_IRQ 81 select SPARSE_IRQ
89 select RTC_DRV_CMOS 82 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 83 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 84 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 85 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 86 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 87 select PERF_USE_VMALLOC
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 88 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 89 select HAVE_C_RECORDMCOUNT
97 select HAVE_ARCH_AUDITSYSCALL 90 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 91 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC <<
100 select HAVE_NMI 92 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 93 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS 94 select ARCH_USE_QUEUED_RWLOCKS
103 select ARCH_USE_QUEUED_SPINLOCKS 95 select ARCH_USE_QUEUED_SPINLOCKS
104 select GENERIC_TIME_VSYSCALL 96 select GENERIC_TIME_VSYSCALL
105 select ARCH_CLOCKSOURCE_DATA 97 select ARCH_CLOCKSOURCE_DATA
106 select ARCH_HAS_PTE_SPECIAL 98 select ARCH_HAS_PTE_SPECIAL
107 select PCI_DOMAINS if PCI 99 select PCI_DOMAINS if PCI
108 select ARCH_HAS_GIGANTIC_PAGE 100 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 <<
113 101
114 config ARCH_PROC_KCORE_TEXT 102 config ARCH_PROC_KCORE_TEXT
115 def_bool y 103 def_bool y
116 104
117 config CPU_BIG_ENDIAN 105 config CPU_BIG_ENDIAN
118 def_bool y 106 def_bool y
119 107
>> 108 config ARCH_ATU
>> 109 bool
>> 110 default y if SPARC64
>> 111
120 config STACKTRACE_SUPPORT 112 config STACKTRACE_SUPPORT
121 bool 113 bool
122 default y if SPARC64 114 default y if SPARC64
123 115
124 config LOCKDEP_SUPPORT 116 config LOCKDEP_SUPPORT
125 bool 117 bool
126 default y if SPARC64 118 default y if SPARC64
127 119
128 config ARCH_HIBERNATION_POSSIBLE 120 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 121 def_bool y if SPARC64
130 122
131 config AUDIT_ARCH 123 config AUDIT_ARCH
132 bool 124 bool
133 default y 125 default y
134 126
>> 127 config HAVE_SETUP_PER_CPU_AREA
>> 128 def_bool y if SPARC64
>> 129
>> 130 config NEED_PER_CPU_EMBED_FIRST_CHUNK
>> 131 def_bool y if SPARC64
>> 132
>> 133 config NEED_PER_CPU_PAGE_FIRST_CHUNK
>> 134 def_bool y if SPARC64
>> 135
135 config MMU 136 config MMU
136 bool 137 bool
137 default y 138 default y
138 139
139 config HIGHMEM 140 config HIGHMEM
140 bool 141 bool
141 default y if SPARC32 142 default y if SPARC32
142 select KMAP_LOCAL !! 143
>> 144 config ZONE_DMA
>> 145 bool
>> 146 default y if SPARC32
>> 147
>> 148 config GENERIC_ISA_DMA
>> 149 bool
>> 150 default y if SPARC32
>> 151
>> 152 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 153 def_bool y if SPARC64
143 154
144 config PGTABLE_LEVELS 155 config PGTABLE_LEVELS
145 default 4 if 64BIT 156 default 4 if 64BIT
146 default 3 157 default 3
147 158
148 config ARCH_SUPPORTS_UPROBES 159 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 160 def_bool y if SPARC64
150 161
151 menu "Processor type and features" 162 menu "Processor type and features"
152 163
153 config SMP 164 config SMP
154 bool "Symmetric multi-processing suppo 165 bool "Symmetric multi-processing support"
155 help 166 help
156 This enables support for systems wit 167 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 168 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 169 than one CPU, say Y.
159 170
160 If you say N here, the kernel will r 171 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 172 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 173 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 174 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 175 will run faster if you say N here.
165 176
166 People using multiprocessor machines 177 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 178 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 179 Management" code will be disabled if you say Y here.
169 180
170 See also <file:Documentation/admin-g 181 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
171 available at <https://www.tldp.org/d !! 182 available at <http://www.tldp.org/docs.html#howto>.
172 183
173 If you don't know what to do here, s 184 If you don't know what to do here, say N.
174 185
175 config NR_CPUS 186 config NR_CPUS
176 int "Maximum number of CPUs" 187 int "Maximum number of CPUs"
177 depends on SMP 188 depends on SMP
178 range 2 32 if SPARC32 189 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 190 range 2 4096 if SPARC64
180 default 32 if SPARC32 191 default 32 if SPARC32
181 default 4096 if SPARC64 192 default 4096 if SPARC64
182 193
183 source "kernel/Kconfig.hz" 194 source "kernel/Kconfig.hz"
184 195
185 config GENERIC_HWEIGHT 196 config GENERIC_HWEIGHT
186 bool 197 bool
187 default y 198 default y
188 199
189 config GENERIC_CALIBRATE_DELAY 200 config GENERIC_CALIBRATE_DELAY
190 bool 201 bool
191 default y 202 default y
192 203
193 config ARCH_MAY_HAVE_PC_FDC 204 config ARCH_MAY_HAVE_PC_FDC
194 bool 205 bool
195 default y 206 default y
196 207
197 config EMULATED_CMPXCHG 208 config EMULATED_CMPXCHG
198 bool 209 bool
199 default y if SPARC32 210 default y if SPARC32
200 help 211 help
201 Sparc32 does not have a CAS instruct 212 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 213 is emulated, and therefore it is not completely atomic.
203 214
204 # Makefile helpers 215 # Makefile helpers
205 config SPARC32_SMP 216 config SPARC32_SMP
206 bool 217 bool
207 default y 218 default y
208 depends on SPARC32 && SMP 219 depends on SPARC32 && SMP
209 220
210 config SPARC64_SMP 221 config SPARC64_SMP
211 bool 222 bool
212 default y 223 default y
213 depends on SPARC64 && SMP 224 depends on SPARC64 && SMP
214 225
215 config EARLYFB 226 config EARLYFB
216 bool "Support for early boot text cons 227 bool "Support for early boot text console"
217 default y 228 default y
218 depends on SPARC64 229 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 230 help
222 Say Y here to enable a faster early 231 Say Y here to enable a faster early framebuffer boot console.
223 232
224 config HOTPLUG_CPU 233 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 234 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 235 depends on SPARC64 && SMP
227 help 236 help
228 Say Y here to experiment with turnin 237 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 238 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 239 Say N if you want to disable CPU hotplug.
231 240
232 if SPARC64 241 if SPARC64
233 source "drivers/cpufreq/Kconfig" 242 source "drivers/cpufreq/Kconfig"
234 endif 243 endif
235 244
236 config US3_MC 245 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 246 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 247 depends on SPARC64
239 default y 248 default y
240 help 249 help
241 This adds a driver for the UltraSPAR 250 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 251 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 252 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 253 on the motherboard can be matched to the error.
245 254
246 If in doubt, say Y, as this informat 255 If in doubt, say Y, as this information can be very useful.
247 256
248 # Global things across all Sun machines. 257 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 258 config GENERIC_LOCKBREAK
250 bool 259 bool
251 default y 260 default y
252 depends on SPARC64 && SMP && PREEMPTIO 261 depends on SPARC64 && SMP && PREEMPTION
253 262
254 config NUMA 263 config NUMA
255 bool "NUMA support" 264 bool "NUMA support"
256 depends on SPARC64 && SMP 265 depends on SPARC64 && SMP
257 266
258 config NODES_SHIFT 267 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 268 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 269 range 4 5 if SPARC64
261 default "5" 270 default "5"
262 depends on NUMA !! 271 depends on NEED_MULTIPLE_NODES
263 help 272 help
264 Specify the maximum number of NUMA N 273 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 274 system. Increases memory reserved to accommodate various tables.
266 275
267 config ARCH_SPARSEMEM_ENABLE 276 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 277 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 278 select SPARSEMEM_VMEMMAP_ENABLE
270 279
271 config ARCH_SPARSEMEM_DEFAULT 280 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 281 def_bool y if SPARC64
273 282
274 config ARCH_FORCE_MAX_ORDER !! 283 config FORCE_MAX_ZONEORDER
275 int "Order of maximal physically conti !! 284 int "Maximum zone order"
276 default "12" !! 285 default "13"
277 help !! 286 help
278 The kernel page allocator limits the !! 287 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 288 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 289 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 290 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 291 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 292 increase this value.
284 293
285 Don't change if unsure. !! 294 This config option is actually maximum order plus one. For example,
>> 295 a value of 13 means that the largest free memory block is 2^12 pages.
286 296
287 if SPARC64 || COMPILE_TEST 297 if SPARC64 || COMPILE_TEST
288 source "kernel/power/Kconfig" 298 source "kernel/power/Kconfig"
289 endif 299 endif
290 300
291 config SCHED_SMT 301 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 302 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 303 depends on SPARC64 && SMP
294 default y 304 default y
295 help 305 help
296 SMT scheduler support improves the C 306 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 307 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 308 in some places. If unsure say N here.
299 309
300 config SCHED_MC 310 config SCHED_MC
301 bool "Multi-core scheduler support" 311 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 312 depends on SPARC64 && SMP
303 default y 313 default y
304 help 314 help
305 Multi-core scheduler support improve 315 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 316 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 317 increased overhead in some places. If unsure say N here.
308 318
309 config CMDLINE_BOOL 319 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 320 bool "Default bootloader kernel arguments"
311 depends on SPARC64 321 depends on SPARC64
312 322
313 config CMDLINE 323 config CMDLINE
314 string "Initial kernel command string" 324 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 325 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 326 default "console=ttyS0,9600 root=/dev/sda1"
317 help 327 help
318 Say Y here if you want to be able to 328 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 329 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 330 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 331 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 332 with having them passed on the command line.
323 333
324 NOTE: This option WILL override the 334 NOTE: This option WILL override the PROM bootargs setting!
325 335
326 config SUN_PM 336 config SUN_PM
327 bool 337 bool
328 default y if SPARC32 338 default y if SPARC32
329 help 339 help
330 Enable power management and CPU stan 340 Enable power management and CPU standby features on supported
331 SPARC platforms. 341 SPARC platforms.
332 342
333 config SPARC_LED 343 config SPARC_LED
334 tristate "Sun4m LED driver" 344 tristate "Sun4m LED driver"
335 depends on SPARC32 345 depends on SPARC32
336 help 346 help
337 This driver toggles the front-panel 347 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 348 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 349 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 350 via writes to /proc/led
341 351
342 config SERIAL_CONSOLE 352 config SERIAL_CONSOLE
343 bool 353 bool
344 depends on SPARC32 354 depends on SPARC32
345 default y 355 default y
346 help 356 help
347 If you say Y here, it will be possib 357 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 358 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 359 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 360 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 361 to that serial port.
352 362
353 Even if you say Y here, the currentl 363 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 364 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 365 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 366 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 367 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 368 boot time.)
359 369
360 If you don't have a graphics card in 370 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 371 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 372 system console.
363 373
364 If unsure, say N. 374 If unsure, say N.
365 375
366 config SPARC_LEON 376 config SPARC_LEON
367 bool "Sparc Leon processor family" 377 bool "Sparc Leon processor family"
368 depends on SPARC32 378 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 379 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 380 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 381 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 382 select USB_UHCI_BIG_ENDIAN_DESC
373 help 383 help
374 If you say Y here if you are running 384 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 385 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 386 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 387 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 388 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 389 toolchain at www.gaisler.com.
380 390
381 if SPARC_LEON 391 if SPARC_LEON
382 menu "U-Boot options" 392 menu "U-Boot options"
383 393
384 config UBOOT_LOAD_ADDR 394 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 395 hex "uImage Load Address"
386 default 0x40004000 396 default 0x40004000
387 help 397 help
388 U-Boot kernel load address, the addre 398 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 399 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 400 This address is normally the base address of main memory + 0x4000.
391 401
392 config UBOOT_FLASH_ADDR 402 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 403 hex "uImage.o Load Address"
394 default 0x00080000 404 default 0x00080000
395 help 405 help
396 Optional setting only affecting the u 406 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 407 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 408 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 409 the GRMON utility before even starting u-boot.
400 410
401 config UBOOT_ENTRY_ADDR 411 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 412 hex "uImage Entry Address"
403 default 0xf0004000 413 default 0xf0004000
404 help 414 help
405 Do not change this unless you know wh 415 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 416 hardcoded by the SPARC32 and LEON port.
407 417
408 This is the virtual address u-boot ju 418 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 419 Kernel.
410 420
411 endmenu 421 endmenu
412 endif 422 endif
413 423
414 endmenu 424 endmenu
415 425
416 menu "Bus options (PCI etc.)" 426 menu "Bus options (PCI etc.)"
417 config SBUS 427 config SBUS
418 bool 428 bool
419 default y 429 default y
420 430
421 config SBUSCHAR 431 config SBUSCHAR
422 bool 432 bool
423 default y 433 default y
424 434
425 config SUN_LDOMS 435 config SUN_LDOMS
426 bool "Sun Logical Domains support" 436 bool "Sun Logical Domains support"
427 depends on SPARC64 437 depends on SPARC64
428 help 438 help
429 Say Y here is you want to support vi 439 Say Y here is you want to support virtual devices via
430 Logical Domains. 440 Logical Domains.
431 441
432 config PCIC_PCI 442 config PCIC_PCI
433 bool 443 bool
434 depends on PCI && SPARC32 && !SPARC_LE 444 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 445 default y
436 446
437 config LEON_PCI 447 config LEON_PCI
438 bool 448 bool
439 depends on PCI && SPARC_LEON 449 depends on PCI && SPARC_LEON
440 default y 450 default y
441 451
442 config SPARC_GRPCI1 452 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 453 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 454 depends on LEON_PCI
445 default y 455 default y
446 help 456 help
447 Say Y here to include the GRPCI Host 457 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 458 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 459 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 460 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 461 on detected PCI Parity and System errors.
452 462
453 config SPARC_GRPCI2 463 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 464 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 465 depends on LEON_PCI
456 default y 466 default y
457 help 467 help
458 Say Y here to include the GRPCI2 Hos 468 Say Y here to include the GRPCI2 Host Bridge Driver.
459 469
460 config SUN_OPENPROMFS 470 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 471 tristate "Openprom tree appears in /proc/openprom"
462 help 472 help
463 If you say Y, the OpenPROM device tr 473 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 474 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 475 -t openpromfs none /proc/openprom".
466 476
467 To compile the /proc/openprom suppor 477 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 478 module will be called openpromfs.
469 479
470 Only choose N if you know in advance 480 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 481 OpenPROM settings on the running system.
472 482
473 # Makefile helpers 483 # Makefile helpers
474 config SPARC64_PCI 484 config SPARC64_PCI
475 bool 485 bool
476 default y 486 default y
477 depends on SPARC64 && PCI 487 depends on SPARC64 && PCI
478 488
479 config SPARC64_PCI_MSI 489 config SPARC64_PCI_MSI
480 bool 490 bool
481 default y 491 default y
482 depends on SPARC64_PCI && PCI_MSI 492 depends on SPARC64_PCI && PCI_MSI
483 493
484 endmenu 494 endmenu
485 495
486 config COMPAT 496 config COMPAT
487 bool 497 bool
488 depends on SPARC64 498 depends on SPARC64
489 default y 499 default y
>> 500 select COMPAT_BINFMT_ELF if BINFMT_ELF
490 select HAVE_UID16 501 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 502 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 503 select COMPAT_OLD_SIGACTION
>> 504
>> 505 config SYSVIPC_COMPAT
>> 506 bool
>> 507 depends on COMPAT && SYSVIPC
>> 508 default y
493 509
494 source "drivers/sbus/char/Kconfig" 510 source "drivers/sbus/char/Kconfig"
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