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