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
23 select HAVE_ARCH_KGDB if !SMP || SPARC 22 select HAVE_ARCH_KGDB if !SMP || SPARC64
24 select HAVE_ARCH_TRACEHOOK 23 select HAVE_ARCH_TRACEHOOK
25 select HAVE_ARCH_SECCOMP if SPARC64 24 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
42 select MODULES_USE_ELF_RELA 40 select MODULES_USE_ELF_RELA
43 select PCI_SYSCALL if PCI 41 select PCI_SYSCALL if PCI
44 select PCI_MSI_ARCH_FALLBACKS if PCI_M 42 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
45 select ODD_RT_SIGACTION 43 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 44 select OLD_SIGSUSPEND
47 select CPU_NO_EFFICIENT_FFS 45 select CPU_NO_EFFICIENT_FFS
48 select LOCKDEP_SMALL if LOCKDEP 46 select LOCKDEP_SMALL if LOCKDEP
49 select NEED_DMA_MAP_STATE 47 select NEED_DMA_MAP_STATE
50 select NEED_SG_DMA_LENGTH 48 select NEED_SG_DMA_LENGTH
>> 49 select SET_FS
51 select TRACE_IRQFLAGS_SUPPORT 50 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 56 select CLZ_TAB
59 select DMA_DIRECT_REMAP 57 select DMA_DIRECT_REMAP
60 select GENERIC_ATOMIC64 58 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 <<
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 59 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 60 select OLD_SIGACTION
67 select ZONE_DMA 61 select ZONE_DMA
68 62
69 config SPARC64 63 config SPARC64
70 def_bool 64BIT 64 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE <<
72 select HAVE_FUNCTION_TRACER 65 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 66 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 67 select HAVE_KRETPROBES
75 select HAVE_KPROBES 68 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM 69 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 70 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 71 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 72 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 73 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER !! 74 select HAVE_CONTEXT_TRACKING
85 select HAVE_TIF_NOHZ 75 select HAVE_TIF_NOHZ
86 select HAVE_DEBUG_KMEMLEAK 76 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER 77 select IOMMU_HELPER
88 select SPARSE_IRQ 78 select SPARSE_IRQ
89 select RTC_DRV_CMOS 79 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 80 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 81 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 82 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 83 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 84 select PERF_USE_VMALLOC
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 89 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
100 select HAVE_NMI 90 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 91 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS 92 select ARCH_USE_QUEUED_RWLOCKS
103 select ARCH_USE_QUEUED_SPINLOCKS 93 select ARCH_USE_QUEUED_SPINLOCKS
104 select GENERIC_TIME_VSYSCALL 94 select GENERIC_TIME_VSYSCALL
105 select ARCH_CLOCKSOURCE_DATA 95 select ARCH_CLOCKSOURCE_DATA
106 select ARCH_HAS_PTE_SPECIAL 96 select ARCH_HAS_PTE_SPECIAL
107 select PCI_DOMAINS if PCI 97 select PCI_DOMAINS if PCI
108 select ARCH_HAS_GIGANTIC_PAGE 98 select ARCH_HAS_GIGANTIC_PAGE
109 select HAVE_SOFTIRQ_ON_OWN_STACK 99 select HAVE_SOFTIRQ_ON_OWN_STACK
110 select HAVE_SETUP_PER_CPU_AREA 100 select HAVE_SETUP_PER_CPU_AREA
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK 101 select NEED_PER_CPU_EMBED_FIRST_CHUNK
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK 102 select NEED_PER_CPU_PAGE_FIRST_CHUNK
113 103
114 config ARCH_PROC_KCORE_TEXT 104 config ARCH_PROC_KCORE_TEXT
115 def_bool y 105 def_bool y
116 106
117 config CPU_BIG_ENDIAN 107 config CPU_BIG_ENDIAN
118 def_bool y 108 def_bool y
119 109
>> 110 config ARCH_ATU
>> 111 bool
>> 112 default y if SPARC64
>> 113
120 config STACKTRACE_SUPPORT 114 config STACKTRACE_SUPPORT
121 bool 115 bool
122 default y if SPARC64 116 default y if SPARC64
123 117
124 config LOCKDEP_SUPPORT 118 config LOCKDEP_SUPPORT
125 bool 119 bool
126 default y if SPARC64 120 default y if SPARC64
127 121
128 config ARCH_HIBERNATION_POSSIBLE 122 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 123 def_bool y if SPARC64
130 124
131 config AUDIT_ARCH 125 config AUDIT_ARCH
132 bool 126 bool
133 default y 127 default y
134 128
135 config MMU 129 config MMU
136 bool 130 bool
137 default y 131 default y
138 132
139 config HIGHMEM 133 config HIGHMEM
140 bool 134 bool
141 default y if SPARC32 135 default y if SPARC32
142 select KMAP_LOCAL 136 select KMAP_LOCAL
143 137
>> 138 config GENERIC_ISA_DMA
>> 139 bool
>> 140 default y if SPARC32
>> 141
144 config PGTABLE_LEVELS 142 config PGTABLE_LEVELS
145 default 4 if 64BIT 143 default 4 if 64BIT
146 default 3 144 default 3
147 145
148 config ARCH_SUPPORTS_UPROBES 146 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 147 def_bool y if SPARC64
150 148
151 menu "Processor type and features" 149 menu "Processor type and features"
152 150
153 config SMP 151 config SMP
154 bool "Symmetric multi-processing suppo 152 bool "Symmetric multi-processing support"
155 help 153 help
156 This enables support for systems wit 154 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 155 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 156 than one CPU, say Y.
159 157
160 If you say N here, the kernel will r 158 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 159 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 160 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 161 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 162 will run faster if you say N here.
165 163
166 People using multiprocessor machines 164 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 165 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 166 Management" code will be disabled if you say Y here.
169 167
170 See also <file:Documentation/admin-g 168 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
171 available at <https://www.tldp.org/d 169 available at <https://www.tldp.org/docs.html#howto>.
172 170
173 If you don't know what to do here, s 171 If you don't know what to do here, say N.
174 172
175 config NR_CPUS 173 config NR_CPUS
176 int "Maximum number of CPUs" 174 int "Maximum number of CPUs"
177 depends on SMP 175 depends on SMP
178 range 2 32 if SPARC32 176 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 177 range 2 4096 if SPARC64
180 default 32 if SPARC32 178 default 32 if SPARC32
181 default 4096 if SPARC64 179 default 4096 if SPARC64
182 180
183 source "kernel/Kconfig.hz" 181 source "kernel/Kconfig.hz"
184 182
185 config GENERIC_HWEIGHT 183 config GENERIC_HWEIGHT
186 bool 184 bool
187 default y 185 default y
188 186
189 config GENERIC_CALIBRATE_DELAY 187 config GENERIC_CALIBRATE_DELAY
190 bool 188 bool
191 default y 189 default y
192 190
193 config ARCH_MAY_HAVE_PC_FDC 191 config ARCH_MAY_HAVE_PC_FDC
194 bool 192 bool
195 default y 193 default y
196 194
197 config EMULATED_CMPXCHG 195 config EMULATED_CMPXCHG
198 bool 196 bool
199 default y if SPARC32 197 default y if SPARC32
200 help 198 help
201 Sparc32 does not have a CAS instruct 199 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 200 is emulated, and therefore it is not completely atomic.
203 201
204 # Makefile helpers 202 # Makefile helpers
205 config SPARC32_SMP 203 config SPARC32_SMP
206 bool 204 bool
207 default y 205 default y
208 depends on SPARC32 && SMP 206 depends on SPARC32 && SMP
209 207
210 config SPARC64_SMP 208 config SPARC64_SMP
211 bool 209 bool
212 default y 210 default y
213 depends on SPARC64 && SMP 211 depends on SPARC64 && SMP
214 212
215 config EARLYFB 213 config EARLYFB
216 bool "Support for early boot text cons 214 bool "Support for early boot text console"
217 default y 215 default y
218 depends on SPARC64 216 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 217 help
222 Say Y here to enable a faster early 218 Say Y here to enable a faster early framebuffer boot console.
223 219
224 config HOTPLUG_CPU 220 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 221 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 222 depends on SPARC64 && SMP
227 help 223 help
228 Say Y here to experiment with turnin 224 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 225 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 226 Say N if you want to disable CPU hotplug.
231 227
232 if SPARC64 228 if SPARC64
233 source "drivers/cpufreq/Kconfig" 229 source "drivers/cpufreq/Kconfig"
234 endif 230 endif
235 231
236 config US3_MC 232 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 233 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 234 depends on SPARC64
239 default y 235 default y
240 help 236 help
241 This adds a driver for the UltraSPAR 237 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 238 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 239 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 240 on the motherboard can be matched to the error.
245 241
246 If in doubt, say Y, as this informat 242 If in doubt, say Y, as this information can be very useful.
247 243
248 # Global things across all Sun machines. 244 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 245 config GENERIC_LOCKBREAK
250 bool 246 bool
251 default y 247 default y
252 depends on SPARC64 && SMP && PREEMPTIO 248 depends on SPARC64 && SMP && PREEMPTION
253 249
254 config NUMA 250 config NUMA
255 bool "NUMA support" 251 bool "NUMA support"
256 depends on SPARC64 && SMP 252 depends on SPARC64 && SMP
257 253
258 config NODES_SHIFT 254 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 255 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 256 range 4 5 if SPARC64
261 default "5" 257 default "5"
262 depends on NUMA 258 depends on NUMA
263 help 259 help
264 Specify the maximum number of NUMA N 260 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 261 system. Increases memory reserved to accommodate various tables.
266 262
267 config ARCH_SPARSEMEM_ENABLE 263 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 264 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 265 select SPARSEMEM_VMEMMAP_ENABLE
270 266
271 config ARCH_SPARSEMEM_DEFAULT 267 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 268 def_bool y if SPARC64
273 269
274 config ARCH_FORCE_MAX_ORDER !! 270 config FORCE_MAX_ZONEORDER
275 int "Order of maximal physically conti !! 271 int "Maximum zone order"
276 default "12" !! 272 default "13"
277 help !! 273 help
278 The kernel page allocator limits the !! 274 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 275 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 276 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 277 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 278 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 279 increase this value.
284 280
285 Don't change if unsure. !! 281 This config option is actually maximum order plus one. For example,
>> 282 a value of 13 means that the largest free memory block is 2^12 pages.
286 283
287 if SPARC64 || COMPILE_TEST !! 284 if SPARC64
288 source "kernel/power/Kconfig" 285 source "kernel/power/Kconfig"
289 endif 286 endif
290 287
291 config SCHED_SMT 288 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 289 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 290 depends on SPARC64 && SMP
294 default y 291 default y
295 help 292 help
296 SMT scheduler support improves the C 293 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 294 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 295 in some places. If unsure say N here.
299 296
300 config SCHED_MC 297 config SCHED_MC
301 bool "Multi-core scheduler support" 298 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 299 depends on SPARC64 && SMP
303 default y 300 default y
304 help 301 help
305 Multi-core scheduler support improve 302 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 303 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 304 increased overhead in some places. If unsure say N here.
308 305
309 config CMDLINE_BOOL 306 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 307 bool "Default bootloader kernel arguments"
311 depends on SPARC64 308 depends on SPARC64
312 309
313 config CMDLINE 310 config CMDLINE
314 string "Initial kernel command string" 311 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 312 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 313 default "console=ttyS0,9600 root=/dev/sda1"
317 help 314 help
318 Say Y here if you want to be able to 315 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 316 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 317 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 318 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 319 with having them passed on the command line.
323 320
324 NOTE: This option WILL override the 321 NOTE: This option WILL override the PROM bootargs setting!
325 322
326 config SUN_PM 323 config SUN_PM
327 bool 324 bool
328 default y if SPARC32 325 default y if SPARC32
329 help 326 help
330 Enable power management and CPU stan 327 Enable power management and CPU standby features on supported
331 SPARC platforms. 328 SPARC platforms.
332 329
333 config SPARC_LED 330 config SPARC_LED
334 tristate "Sun4m LED driver" 331 tristate "Sun4m LED driver"
335 depends on SPARC32 332 depends on SPARC32
336 help 333 help
337 This driver toggles the front-panel 334 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 335 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 336 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 337 via writes to /proc/led
341 338
342 config SERIAL_CONSOLE 339 config SERIAL_CONSOLE
343 bool 340 bool
344 depends on SPARC32 341 depends on SPARC32
345 default y 342 default y
346 help 343 help
347 If you say Y here, it will be possib 344 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 345 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 346 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 347 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 348 to that serial port.
352 349
353 Even if you say Y here, the currentl 350 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 351 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 352 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 353 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 354 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 355 boot time.)
359 356
360 If you don't have a graphics card in 357 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 358 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 359 system console.
363 360
364 If unsure, say N. 361 If unsure, say N.
365 362
366 config SPARC_LEON 363 config SPARC_LEON
367 bool "Sparc Leon processor family" 364 bool "Sparc Leon processor family"
368 depends on SPARC32 365 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 366 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 367 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 368 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 369 select USB_UHCI_BIG_ENDIAN_DESC
373 help 370 help
374 If you say Y here if you are running 371 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 372 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 373 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 374 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 375 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 376 toolchain at www.gaisler.com.
380 377
381 if SPARC_LEON 378 if SPARC_LEON
382 menu "U-Boot options" 379 menu "U-Boot options"
383 380
384 config UBOOT_LOAD_ADDR 381 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 382 hex "uImage Load Address"
386 default 0x40004000 383 default 0x40004000
387 help 384 help
388 U-Boot kernel load address, the addre 385 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 386 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 387 This address is normally the base address of main memory + 0x4000.
391 388
392 config UBOOT_FLASH_ADDR 389 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 390 hex "uImage.o Load Address"
394 default 0x00080000 391 default 0x00080000
395 help 392 help
396 Optional setting only affecting the u 393 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 394 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 395 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 396 the GRMON utility before even starting u-boot.
400 397
401 config UBOOT_ENTRY_ADDR 398 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 399 hex "uImage Entry Address"
403 default 0xf0004000 400 default 0xf0004000
404 help 401 help
405 Do not change this unless you know wh 402 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 403 hardcoded by the SPARC32 and LEON port.
407 404
408 This is the virtual address u-boot ju 405 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 406 Kernel.
410 407
411 endmenu 408 endmenu
412 endif 409 endif
413 410
414 endmenu 411 endmenu
415 412
416 menu "Bus options (PCI etc.)" 413 menu "Bus options (PCI etc.)"
417 config SBUS 414 config SBUS
418 bool 415 bool
419 default y 416 default y
420 417
421 config SBUSCHAR 418 config SBUSCHAR
422 bool 419 bool
423 default y 420 default y
424 421
425 config SUN_LDOMS 422 config SUN_LDOMS
426 bool "Sun Logical Domains support" 423 bool "Sun Logical Domains support"
427 depends on SPARC64 424 depends on SPARC64
428 help 425 help
429 Say Y here is you want to support vi 426 Say Y here is you want to support virtual devices via
430 Logical Domains. 427 Logical Domains.
431 428
432 config PCIC_PCI 429 config PCIC_PCI
433 bool 430 bool
434 depends on PCI && SPARC32 && !SPARC_LE 431 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 432 default y
436 433
437 config LEON_PCI 434 config LEON_PCI
438 bool 435 bool
439 depends on PCI && SPARC_LEON 436 depends on PCI && SPARC_LEON
440 default y 437 default y
441 438
442 config SPARC_GRPCI1 439 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 440 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 441 depends on LEON_PCI
445 default y 442 default y
446 help 443 help
447 Say Y here to include the GRPCI Host 444 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 445 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 446 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 447 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 448 on detected PCI Parity and System errors.
452 449
453 config SPARC_GRPCI2 450 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 451 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 452 depends on LEON_PCI
456 default y 453 default y
457 help 454 help
458 Say Y here to include the GRPCI2 Hos 455 Say Y here to include the GRPCI2 Host Bridge Driver.
459 456
460 config SUN_OPENPROMFS 457 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 458 tristate "Openprom tree appears in /proc/openprom"
462 help 459 help
463 If you say Y, the OpenPROM device tr 460 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 461 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 462 -t openpromfs none /proc/openprom".
466 463
467 To compile the /proc/openprom suppor 464 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 465 module will be called openpromfs.
469 466
470 Only choose N if you know in advance 467 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 468 OpenPROM settings on the running system.
472 469
473 # Makefile helpers 470 # Makefile helpers
474 config SPARC64_PCI 471 config SPARC64_PCI
475 bool 472 bool
476 default y 473 default y
477 depends on SPARC64 && PCI 474 depends on SPARC64 && PCI
478 475
479 config SPARC64_PCI_MSI 476 config SPARC64_PCI_MSI
480 bool 477 bool
481 default y 478 default y
482 depends on SPARC64_PCI && PCI_MSI 479 depends on SPARC64_PCI && PCI_MSI
483 480
484 endmenu 481 endmenu
485 482
486 config COMPAT 483 config COMPAT
487 bool 484 bool
488 depends on SPARC64 485 depends on SPARC64
489 default y 486 default y
490 select HAVE_UID16 487 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 488 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 489 select COMPAT_OLD_SIGACTION
>> 490
>> 491 config SYSVIPC_COMPAT
>> 492 bool
>> 493 depends on COMPAT && SYSVIPC
>> 494 default y
493 495
494 source "drivers/sbus/char/Kconfig" 496 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.