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 16 select ARCH_HAS_CPU_CACHE_ALIASING
17 select ARCH_HAS_DMA_OPS <<
18 select ARCH_MIGHT_HAVE_PC_PARPORT if S 17 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
19 select ARCH_MIGHT_HAVE_PC_SERIO 18 select ARCH_MIGHT_HAVE_PC_SERIO
>> 19 select DMA_OPS
20 select OF 20 select OF
21 select OF_PROMTREE 21 select OF_PROMTREE
22 select HAVE_ASM_MODVERSIONS 22 select HAVE_ASM_MODVERSIONS
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 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 HAS_IOPORT
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 37 select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
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 MODULES_USE_ELF_RELA 42 select MODULES_USE_ELF_RELA
43 select PCI_SYSCALL if PCI 43 select PCI_SYSCALL if PCI
44 select PCI_MSI_ARCH_FALLBACKS if PCI_M 44 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
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 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 ! 56 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
57 select ARCH_HAS_SYNC_DMA_FOR_CPU 57 select ARCH_HAS_SYNC_DMA_FOR_CPU
58 select CLZ_TAB 58 select CLZ_TAB
59 select DMA_DIRECT_REMAP 59 select DMA_DIRECT_REMAP
60 select GENERIC_ATOMIC64 60 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 61 select GENERIC_LIB_CMPDI2
62 select GENERIC_LIB_UCMPDI2 62 select GENERIC_LIB_UCMPDI2
63 select HAVE_UID16 63 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB 64 select HAVE_PAGE_SIZE_4KB
65 select LOCK_MM_AND_FIND_VMA 65 select LOCK_MM_AND_FIND_VMA
66 select OLD_SIGACTION 66 select OLD_SIGACTION
67 select ZONE_DMA 67 select ZONE_DMA
68 68
69 config SPARC64 69 config SPARC64
70 def_bool 64BIT 70 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE 71 select ALTERNATE_USER_ADDRESS_SPACE
72 select HAVE_FUNCTION_TRACER 72 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 73 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 74 select HAVE_KRETPROBES
75 select HAVE_KPROBES 75 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM 76 select MMU_GATHER_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS 77 select MMU_GATHER_MERGE_VMAS
78 select MMU_GATHER_NO_FLUSH_CACHE 78 select MMU_GATHER_NO_FLUSH_CACHE
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 80 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 81 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB 82 select HAVE_PAGE_SIZE_8KB
83 select HAVE_SYSCALL_TRACEPOINTS 83 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER 84 select HAVE_CONTEXT_TRACKING_USER
85 select HAVE_TIF_NOHZ 85 select HAVE_TIF_NOHZ
86 select HAVE_DEBUG_KMEMLEAK 86 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER 87 select IOMMU_HELPER
88 select SPARSE_IRQ 88 select SPARSE_IRQ
89 select RTC_DRV_CMOS 89 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 90 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 91 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 92 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 93 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 94 select PERF_USE_VMALLOC
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 95 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 96 select HAVE_C_RECORDMCOUNT
97 select HAVE_ARCH_AUDITSYSCALL 97 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 98 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC 99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
100 select HAVE_NMI 100 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 101 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS 102 select ARCH_USE_QUEUED_RWLOCKS
103 select ARCH_USE_QUEUED_SPINLOCKS 103 select ARCH_USE_QUEUED_SPINLOCKS
104 select GENERIC_TIME_VSYSCALL 104 select GENERIC_TIME_VSYSCALL
105 select ARCH_CLOCKSOURCE_DATA 105 select ARCH_CLOCKSOURCE_DATA
106 select ARCH_HAS_PTE_SPECIAL 106 select ARCH_HAS_PTE_SPECIAL
107 select PCI_DOMAINS if PCI 107 select PCI_DOMAINS if PCI
108 select ARCH_HAS_GIGANTIC_PAGE 108 select ARCH_HAS_GIGANTIC_PAGE
109 select HAVE_SOFTIRQ_ON_OWN_STACK 109 select HAVE_SOFTIRQ_ON_OWN_STACK
110 select HAVE_SETUP_PER_CPU_AREA 110 select HAVE_SETUP_PER_CPU_AREA
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK 111 select NEED_PER_CPU_EMBED_FIRST_CHUNK
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK 112 select NEED_PER_CPU_PAGE_FIRST_CHUNK
113 113
114 config ARCH_PROC_KCORE_TEXT 114 config ARCH_PROC_KCORE_TEXT
115 def_bool y 115 def_bool y
116 116
117 config CPU_BIG_ENDIAN 117 config CPU_BIG_ENDIAN
118 def_bool y 118 def_bool y
119 119
120 config STACKTRACE_SUPPORT 120 config STACKTRACE_SUPPORT
121 bool 121 bool
122 default y if SPARC64 122 default y if SPARC64
123 123
124 config LOCKDEP_SUPPORT 124 config LOCKDEP_SUPPORT
125 bool 125 bool
126 default y if SPARC64 126 default y if SPARC64
127 127
128 config ARCH_HIBERNATION_POSSIBLE 128 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 129 def_bool y if SPARC64
130 130
131 config AUDIT_ARCH 131 config AUDIT_ARCH
132 bool 132 bool
133 default y 133 default y
134 134
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 PGTABLE_LEVELS 144 config PGTABLE_LEVELS
145 default 4 if 64BIT 145 default 4 if 64BIT
146 default 3 146 default 3
147 147
148 config ARCH_SUPPORTS_UPROBES 148 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 149 def_bool y if SPARC64
150 150
151 menu "Processor type and features" 151 menu "Processor type and features"
152 152
153 config SMP 153 config SMP
154 bool "Symmetric multi-processing suppo 154 bool "Symmetric multi-processing support"
155 help 155 help
156 This enables support for systems wit 156 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 157 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 158 than one CPU, say Y.
159 159
160 If you say N here, the kernel will r 160 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 161 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 162 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 163 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 164 will run faster if you say N here.
165 165
166 People using multiprocessor machines 166 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 167 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 168 Management" code will be disabled if you say Y here.
169 169
170 See also <file:Documentation/admin-g 170 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
171 available at <https://www.tldp.org/d 171 available at <https://www.tldp.org/docs.html#howto>.
172 172
173 If you don't know what to do here, s 173 If you don't know what to do here, say N.
174 174
175 config NR_CPUS 175 config NR_CPUS
176 int "Maximum number of CPUs" 176 int "Maximum number of CPUs"
177 depends on SMP 177 depends on SMP
178 range 2 32 if SPARC32 178 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 179 range 2 4096 if SPARC64
180 default 32 if SPARC32 180 default 32 if SPARC32
181 default 4096 if SPARC64 181 default 4096 if SPARC64
182 182
183 source "kernel/Kconfig.hz" 183 source "kernel/Kconfig.hz"
184 184
185 config GENERIC_HWEIGHT 185 config GENERIC_HWEIGHT
186 bool 186 bool
187 default y 187 default y
188 188
189 config GENERIC_CALIBRATE_DELAY 189 config GENERIC_CALIBRATE_DELAY
190 bool 190 bool
191 default y 191 default y
192 192
193 config ARCH_MAY_HAVE_PC_FDC 193 config ARCH_MAY_HAVE_PC_FDC
194 bool 194 bool
195 default y 195 default y
196 196
197 config EMULATED_CMPXCHG 197 config EMULATED_CMPXCHG
198 bool 198 bool
199 default y if SPARC32 199 default y if SPARC32
200 help 200 help
201 Sparc32 does not have a CAS instruct 201 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 202 is emulated, and therefore it is not completely atomic.
203 203
204 # Makefile helpers 204 # Makefile helpers
205 config SPARC32_SMP 205 config SPARC32_SMP
206 bool 206 bool
207 default y 207 default y
208 depends on SPARC32 && SMP 208 depends on SPARC32 && SMP
209 209
210 config SPARC64_SMP 210 config SPARC64_SMP
211 bool 211 bool
212 default y 212 default y
213 depends on SPARC64 && SMP 213 depends on SPARC64 && SMP
214 214
215 config EARLYFB 215 config EARLYFB
216 bool "Support for early boot text cons 216 bool "Support for early boot text console"
217 default y 217 default y
218 depends on SPARC64 218 depends on SPARC64
219 select FONT_SUN8x16 219 select FONT_SUN8x16
220 select FONT_SUPPORT 220 select FONT_SUPPORT
221 help 221 help
222 Say Y here to enable a faster early 222 Say Y here to enable a faster early framebuffer boot console.
223 223
224 config HOTPLUG_CPU 224 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 225 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 226 depends on SPARC64 && SMP
227 help 227 help
228 Say Y here to experiment with turnin 228 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 229 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 230 Say N if you want to disable CPU hotplug.
231 231
232 if SPARC64 232 if SPARC64
233 source "drivers/cpufreq/Kconfig" 233 source "drivers/cpufreq/Kconfig"
234 endif 234 endif
235 235
236 config US3_MC 236 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 237 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 238 depends on SPARC64
239 default y 239 default y
240 help 240 help
241 This adds a driver for the UltraSPAR 241 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 242 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 243 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 244 on the motherboard can be matched to the error.
245 245
246 If in doubt, say Y, as this informat 246 If in doubt, say Y, as this information can be very useful.
247 247
248 # Global things across all Sun machines. 248 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 249 config GENERIC_LOCKBREAK
250 bool 250 bool
251 default y 251 default y
252 depends on SPARC64 && SMP && PREEMPTIO 252 depends on SPARC64 && SMP && PREEMPTION
253 253
254 config NUMA 254 config NUMA
255 bool "NUMA support" 255 bool "NUMA support"
256 depends on SPARC64 && SMP 256 depends on SPARC64 && SMP
257 257
258 config NODES_SHIFT 258 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 259 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 260 range 4 5 if SPARC64
261 default "5" 261 default "5"
262 depends on NUMA 262 depends on NUMA
263 help 263 help
264 Specify the maximum number of NUMA N 264 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 265 system. Increases memory reserved to accommodate various tables.
266 266
267 config ARCH_SPARSEMEM_ENABLE 267 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 268 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 269 select SPARSEMEM_VMEMMAP_ENABLE
270 270
271 config ARCH_SPARSEMEM_DEFAULT 271 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 272 def_bool y if SPARC64
273 273
274 config ARCH_FORCE_MAX_ORDER 274 config ARCH_FORCE_MAX_ORDER
275 int "Order of maximal physically conti 275 int "Order of maximal physically contiguous allocations"
276 default "12" 276 default "12"
277 help 277 help
278 The kernel page allocator limits the 278 The kernel page allocator limits the size of maximal physically
279 contiguous allocations. The limit is 279 contiguous allocations. The limit is called MAX_PAGE_ORDER and it
280 defines the maximal power of two of 280 defines the maximal power of two of number of pages that can be
281 allocated as a single contiguous blo 281 allocated as a single contiguous block. This option allows
282 overriding the default setting when 282 overriding the default setting when ability to allocate very
283 large blocks of physically contiguou 283 large blocks of physically contiguous memory is required.
284 284
285 Don't change if unsure. 285 Don't change if unsure.
286 286
287 if SPARC64 || COMPILE_TEST 287 if SPARC64 || COMPILE_TEST
288 source "kernel/power/Kconfig" 288 source "kernel/power/Kconfig"
289 endif 289 endif
290 290
291 config SCHED_SMT 291 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 292 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 293 depends on SPARC64 && SMP
294 default y 294 default y
295 help 295 help
296 SMT scheduler support improves the C 296 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 297 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 298 in some places. If unsure say N here.
299 299
300 config SCHED_MC 300 config SCHED_MC
301 bool "Multi-core scheduler support" 301 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 302 depends on SPARC64 && SMP
303 default y 303 default y
304 help 304 help
305 Multi-core scheduler support improve 305 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 306 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 307 increased overhead in some places. If unsure say N here.
308 308
309 config CMDLINE_BOOL 309 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 310 bool "Default bootloader kernel arguments"
311 depends on SPARC64 311 depends on SPARC64
312 312
313 config CMDLINE 313 config CMDLINE
314 string "Initial kernel command string" 314 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 315 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 316 default "console=ttyS0,9600 root=/dev/sda1"
317 help 317 help
318 Say Y here if you want to be able to 318 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 319 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 320 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 321 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 322 with having them passed on the command line.
323 323
324 NOTE: This option WILL override the 324 NOTE: This option WILL override the PROM bootargs setting!
325 325
326 config SUN_PM 326 config SUN_PM
327 bool 327 bool
328 default y if SPARC32 328 default y if SPARC32
329 help 329 help
330 Enable power management and CPU stan 330 Enable power management and CPU standby features on supported
331 SPARC platforms. 331 SPARC platforms.
332 332
333 config SPARC_LED 333 config SPARC_LED
334 tristate "Sun4m LED driver" 334 tristate "Sun4m LED driver"
335 depends on SPARC32 335 depends on SPARC32
336 help 336 help
337 This driver toggles the front-panel 337 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 338 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 339 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 340 via writes to /proc/led
341 341
342 config SERIAL_CONSOLE 342 config SERIAL_CONSOLE
343 bool 343 bool
344 depends on SPARC32 344 depends on SPARC32
345 default y 345 default y
346 help 346 help
347 If you say Y here, it will be possib 347 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 348 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 349 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 350 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 351 to that serial port.
352 352
353 Even if you say Y here, the currentl 353 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 354 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 355 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 356 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 357 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 358 boot time.)
359 359
360 If you don't have a graphics card in 360 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 361 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 362 system console.
363 363
364 If unsure, say N. 364 If unsure, say N.
365 365
366 config SPARC_LEON 366 config SPARC_LEON
367 bool "Sparc Leon processor family" 367 bool "Sparc Leon processor family"
368 depends on SPARC32 368 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 369 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 370 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 371 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 372 select USB_UHCI_BIG_ENDIAN_DESC
373 help 373 help
374 If you say Y here if you are running 374 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 375 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 376 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 377 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 378 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 379 toolchain at www.gaisler.com.
380 380
381 if SPARC_LEON 381 if SPARC_LEON
382 menu "U-Boot options" 382 menu "U-Boot options"
383 383
384 config UBOOT_LOAD_ADDR 384 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 385 hex "uImage Load Address"
386 default 0x40004000 386 default 0x40004000
387 help 387 help
388 U-Boot kernel load address, the addre 388 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 389 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 390 This address is normally the base address of main memory + 0x4000.
391 391
392 config UBOOT_FLASH_ADDR 392 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 393 hex "uImage.o Load Address"
394 default 0x00080000 394 default 0x00080000
395 help 395 help
396 Optional setting only affecting the u 396 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 397 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 398 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 399 the GRMON utility before even starting u-boot.
400 400
401 config UBOOT_ENTRY_ADDR 401 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 402 hex "uImage Entry Address"
403 default 0xf0004000 403 default 0xf0004000
404 help 404 help
405 Do not change this unless you know wh 405 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 406 hardcoded by the SPARC32 and LEON port.
407 407
408 This is the virtual address u-boot ju 408 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 409 Kernel.
410 410
411 endmenu 411 endmenu
412 endif 412 endif
413 413
414 endmenu 414 endmenu
415 415
416 menu "Bus options (PCI etc.)" 416 menu "Bus options (PCI etc.)"
417 config SBUS 417 config SBUS
418 bool 418 bool
419 default y 419 default y
420 420
421 config SBUSCHAR 421 config SBUSCHAR
422 bool 422 bool
423 default y 423 default y
424 424
425 config SUN_LDOMS 425 config SUN_LDOMS
426 bool "Sun Logical Domains support" 426 bool "Sun Logical Domains support"
427 depends on SPARC64 427 depends on SPARC64
428 help 428 help
429 Say Y here is you want to support vi 429 Say Y here is you want to support virtual devices via
430 Logical Domains. 430 Logical Domains.
431 431
432 config PCIC_PCI 432 config PCIC_PCI
433 bool 433 bool
434 depends on PCI && SPARC32 && !SPARC_LE 434 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 435 default y
436 436
437 config LEON_PCI 437 config LEON_PCI
438 bool 438 bool
439 depends on PCI && SPARC_LEON 439 depends on PCI && SPARC_LEON
440 default y 440 default y
441 441
442 config SPARC_GRPCI1 442 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 443 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 444 depends on LEON_PCI
445 default y 445 default y
446 help 446 help
447 Say Y here to include the GRPCI Host 447 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 448 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 449 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 450 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 451 on detected PCI Parity and System errors.
452 452
453 config SPARC_GRPCI2 453 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 454 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 455 depends on LEON_PCI
456 default y 456 default y
457 help 457 help
458 Say Y here to include the GRPCI2 Hos 458 Say Y here to include the GRPCI2 Host Bridge Driver.
459 459
460 config SUN_OPENPROMFS 460 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 461 tristate "Openprom tree appears in /proc/openprom"
462 help 462 help
463 If you say Y, the OpenPROM device tr 463 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 464 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 465 -t openpromfs none /proc/openprom".
466 466
467 To compile the /proc/openprom suppor 467 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 468 module will be called openpromfs.
469 469
470 Only choose N if you know in advance 470 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 471 OpenPROM settings on the running system.
472 472
473 # Makefile helpers 473 # Makefile helpers
474 config SPARC64_PCI 474 config SPARC64_PCI
475 bool 475 bool
476 default y 476 default y
477 depends on SPARC64 && PCI 477 depends on SPARC64 && PCI
478 478
479 config SPARC64_PCI_MSI 479 config SPARC64_PCI_MSI
480 bool 480 bool
481 default y 481 default y
482 depends on SPARC64_PCI && PCI_MSI 482 depends on SPARC64_PCI && PCI_MSI
483 483
484 endmenu 484 endmenu
485 485
486 config COMPAT 486 config COMPAT
487 bool 487 bool
488 depends on SPARC64 488 depends on SPARC64
489 default y 489 default y
490 select HAVE_UID16 490 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 491 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 492 select COMPAT_OLD_SIGACTION
493 493
494 source "drivers/sbus/char/Kconfig" 494 source "drivers/sbus/char/Kconfig"
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.