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