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
51 select TRACE_IRQFLAGS_SUPPORT 49 select TRACE_IRQFLAGS_SUPPORT
52 50
53 config SPARC32 51 config SPARC32
54 def_bool !64BIT 52 def_bool !64BIT
55 select ARCH_32BIT_OFF_T 53 select ARCH_32BIT_OFF_T
56 select ARCH_HAS_CPU_FINALIZE_INIT if ! <<
57 select ARCH_HAS_SYNC_DMA_FOR_CPU 54 select ARCH_HAS_SYNC_DMA_FOR_CPU
58 select CLZ_TAB 55 select CLZ_TAB
59 select DMA_DIRECT_REMAP 56 select DMA_DIRECT_REMAP
60 select GENERIC_ATOMIC64 57 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 <<
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 58 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA <<
66 select OLD_SIGACTION 59 select OLD_SIGACTION
67 select ZONE_DMA 60 select ZONE_DMA
68 61
69 config SPARC64 62 config SPARC64
70 def_bool 64BIT 63 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE 64 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 70 select MMU_GATHER_MERGE_VMAS
78 select MMU_GATHER_NO_FLUSH_CACHE 71 select MMU_GATHER_NO_FLUSH_CACHE
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 72 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 73 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 74 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 75 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER 76 select HAVE_CONTEXT_TRACKING_USER
85 select HAVE_TIF_NOHZ 77 select HAVE_TIF_NOHZ
86 select HAVE_DEBUG_KMEMLEAK 78 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER 79 select IOMMU_HELPER
88 select SPARSE_IRQ 80 select SPARSE_IRQ
89 select RTC_DRV_CMOS 81 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 82 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 83 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 84 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 85 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 86 select PERF_USE_VMALLOC
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 87 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 88 select HAVE_C_RECORDMCOUNT
97 select HAVE_ARCH_AUDITSYSCALL 89 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 90 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC 91 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
100 select HAVE_NMI 92 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 93 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS 94 select ARCH_USE_QUEUED_RWLOCKS
103 select ARCH_USE_QUEUED_SPINLOCKS 95 select ARCH_USE_QUEUED_SPINLOCKS
104 select GENERIC_TIME_VSYSCALL 96 select GENERIC_TIME_VSYSCALL
105 select ARCH_CLOCKSOURCE_DATA 97 select ARCH_CLOCKSOURCE_DATA
106 select ARCH_HAS_PTE_SPECIAL 98 select ARCH_HAS_PTE_SPECIAL
107 select PCI_DOMAINS if PCI 99 select PCI_DOMAINS if PCI
108 select ARCH_HAS_GIGANTIC_PAGE 100 select ARCH_HAS_GIGANTIC_PAGE
109 select HAVE_SOFTIRQ_ON_OWN_STACK 101 select HAVE_SOFTIRQ_ON_OWN_STACK
110 select HAVE_SETUP_PER_CPU_AREA 102 select HAVE_SETUP_PER_CPU_AREA
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK 103 select NEED_PER_CPU_EMBED_FIRST_CHUNK
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK 104 select NEED_PER_CPU_PAGE_FIRST_CHUNK
113 105
114 config ARCH_PROC_KCORE_TEXT 106 config ARCH_PROC_KCORE_TEXT
115 def_bool y 107 def_bool y
116 108
117 config CPU_BIG_ENDIAN 109 config CPU_BIG_ENDIAN
118 def_bool y 110 def_bool y
119 111
>> 112 config ARCH_ATU
>> 113 bool
>> 114 default y if SPARC64
>> 115
120 config STACKTRACE_SUPPORT 116 config STACKTRACE_SUPPORT
121 bool 117 bool
122 default y if SPARC64 118 default y if SPARC64
123 119
124 config LOCKDEP_SUPPORT 120 config LOCKDEP_SUPPORT
125 bool 121 bool
126 default y if SPARC64 122 default y if SPARC64
127 123
128 config ARCH_HIBERNATION_POSSIBLE 124 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 125 def_bool y if SPARC64
130 126
131 config AUDIT_ARCH 127 config AUDIT_ARCH
132 bool 128 bool
133 default y 129 default y
134 130
135 config MMU 131 config MMU
136 bool 132 bool
137 default y 133 default y
138 134
139 config HIGHMEM 135 config HIGHMEM
140 bool 136 bool
141 default y if SPARC32 137 default y if SPARC32
142 select KMAP_LOCAL 138 select KMAP_LOCAL
143 139
>> 140 config GENERIC_ISA_DMA
>> 141 bool
>> 142 default y if SPARC32
>> 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 <<
220 select FONT_SUPPORT <<
221 help 219 help
222 Say Y here to enable a faster early 220 Say Y here to enable a faster early framebuffer boot console.
223 221
224 config HOTPLUG_CPU 222 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 223 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 224 depends on SPARC64 && SMP
227 help 225 help
228 Say Y here to experiment with turnin 226 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 227 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 228 Say N if you want to disable CPU hotplug.
231 229
232 if SPARC64 230 if SPARC64
233 source "drivers/cpufreq/Kconfig" 231 source "drivers/cpufreq/Kconfig"
234 endif 232 endif
235 233
236 config US3_MC 234 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 235 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 236 depends on SPARC64
239 default y 237 default y
240 help 238 help
241 This adds a driver for the UltraSPAR 239 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 240 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 241 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 242 on the motherboard can be matched to the error.
245 243
246 If in doubt, say Y, as this informat 244 If in doubt, say Y, as this information can be very useful.
247 245
248 # Global things across all Sun machines. 246 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 247 config GENERIC_LOCKBREAK
250 bool 248 bool
251 default y 249 default y
252 depends on SPARC64 && SMP && PREEMPTIO 250 depends on SPARC64 && SMP && PREEMPTION
253 251
254 config NUMA 252 config NUMA
255 bool "NUMA support" 253 bool "NUMA support"
256 depends on SPARC64 && SMP 254 depends on SPARC64 && SMP
257 255
258 config NODES_SHIFT 256 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 257 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 258 range 4 5 if SPARC64
261 default "5" 259 default "5"
262 depends on NUMA 260 depends on NUMA
263 help 261 help
264 Specify the maximum number of NUMA N 262 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 263 system. Increases memory reserved to accommodate various tables.
266 264
267 config ARCH_SPARSEMEM_ENABLE 265 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 266 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 267 select SPARSEMEM_VMEMMAP_ENABLE
270 268
271 config ARCH_SPARSEMEM_DEFAULT 269 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 270 def_bool y if SPARC64
273 271
274 config ARCH_FORCE_MAX_ORDER 272 config ARCH_FORCE_MAX_ORDER
275 int "Order of maximal physically conti !! 273 int "Maximum zone order"
276 default "12" !! 274 default "13"
277 help 275 help
278 The kernel page allocator limits the !! 276 The kernel memory allocator divides physically contiguous memory
279 contiguous allocations. The limit is !! 277 blocks into "zones", where each zone is a power of two number of
280 defines the maximal power of two of !! 278 pages. This option selects the largest power of two that the kernel
281 allocated as a single contiguous blo !! 279 keeps in the memory allocator. If you need to allocate very large
282 overriding the default setting when !! 280 blocks of physically contiguous memory, then you may need to
283 large blocks of physically contiguou !! 281 increase this value.
284 282
285 Don't change if unsure. !! 283 This config option is actually maximum order plus one. For example,
>> 284 a value of 13 means that the largest free memory block is 2^12 pages.
286 285
287 if SPARC64 || COMPILE_TEST 286 if SPARC64 || COMPILE_TEST
288 source "kernel/power/Kconfig" 287 source "kernel/power/Kconfig"
289 endif 288 endif
290 289
291 config SCHED_SMT 290 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 291 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 292 depends on SPARC64 && SMP
294 default y 293 default y
295 help 294 help
296 SMT scheduler support improves the C 295 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 296 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 297 in some places. If unsure say N here.
299 298
300 config SCHED_MC 299 config SCHED_MC
301 bool "Multi-core scheduler support" 300 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 301 depends on SPARC64 && SMP
303 default y 302 default y
304 help 303 help
305 Multi-core scheduler support improve 304 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 305 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 306 increased overhead in some places. If unsure say N here.
308 307
309 config CMDLINE_BOOL 308 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 309 bool "Default bootloader kernel arguments"
311 depends on SPARC64 310 depends on SPARC64
312 311
313 config CMDLINE 312 config CMDLINE
314 string "Initial kernel command string" 313 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 314 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 315 default "console=ttyS0,9600 root=/dev/sda1"
317 help 316 help
318 Say Y here if you want to be able to 317 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 318 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 319 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 320 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 321 with having them passed on the command line.
323 322
324 NOTE: This option WILL override the 323 NOTE: This option WILL override the PROM bootargs setting!
325 324
326 config SUN_PM 325 config SUN_PM
327 bool 326 bool
328 default y if SPARC32 327 default y if SPARC32
329 help 328 help
330 Enable power management and CPU stan 329 Enable power management and CPU standby features on supported
331 SPARC platforms. 330 SPARC platforms.
332 331
333 config SPARC_LED 332 config SPARC_LED
334 tristate "Sun4m LED driver" 333 tristate "Sun4m LED driver"
335 depends on SPARC32 334 depends on SPARC32
336 help 335 help
337 This driver toggles the front-panel 336 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 337 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 338 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 339 via writes to /proc/led
341 340
342 config SERIAL_CONSOLE 341 config SERIAL_CONSOLE
343 bool 342 bool
344 depends on SPARC32 343 depends on SPARC32
345 default y 344 default y
346 help 345 help
347 If you say Y here, it will be possib 346 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 347 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 348 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 349 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 350 to that serial port.
352 351
353 Even if you say Y here, the currentl 352 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 353 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 354 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 355 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 356 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 357 boot time.)
359 358
360 If you don't have a graphics card in 359 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 360 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 361 system console.
363 362
364 If unsure, say N. 363 If unsure, say N.
365 364
366 config SPARC_LEON 365 config SPARC_LEON
367 bool "Sparc Leon processor family" 366 bool "Sparc Leon processor family"
368 depends on SPARC32 367 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 368 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 369 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 370 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 371 select USB_UHCI_BIG_ENDIAN_DESC
373 help 372 help
374 If you say Y here if you are running 373 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 374 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 375 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 376 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 377 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 378 toolchain at www.gaisler.com.
380 379
381 if SPARC_LEON 380 if SPARC_LEON
382 menu "U-Boot options" 381 menu "U-Boot options"
383 382
384 config UBOOT_LOAD_ADDR 383 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 384 hex "uImage Load Address"
386 default 0x40004000 385 default 0x40004000
387 help 386 help
388 U-Boot kernel load address, the addre 387 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 388 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 389 This address is normally the base address of main memory + 0x4000.
391 390
392 config UBOOT_FLASH_ADDR 391 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 392 hex "uImage.o Load Address"
394 default 0x00080000 393 default 0x00080000
395 help 394 help
396 Optional setting only affecting the u 395 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 396 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 397 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 398 the GRMON utility before even starting u-boot.
400 399
401 config UBOOT_ENTRY_ADDR 400 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 401 hex "uImage Entry Address"
403 default 0xf0004000 402 default 0xf0004000
404 help 403 help
405 Do not change this unless you know wh 404 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 405 hardcoded by the SPARC32 and LEON port.
407 406
408 This is the virtual address u-boot ju 407 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 408 Kernel.
410 409
411 endmenu 410 endmenu
412 endif 411 endif
413 412
414 endmenu 413 endmenu
415 414
416 menu "Bus options (PCI etc.)" 415 menu "Bus options (PCI etc.)"
417 config SBUS 416 config SBUS
418 bool 417 bool
419 default y 418 default y
420 419
421 config SBUSCHAR 420 config SBUSCHAR
422 bool 421 bool
423 default y 422 default y
424 423
425 config SUN_LDOMS 424 config SUN_LDOMS
426 bool "Sun Logical Domains support" 425 bool "Sun Logical Domains support"
427 depends on SPARC64 426 depends on SPARC64
428 help 427 help
429 Say Y here is you want to support vi 428 Say Y here is you want to support virtual devices via
430 Logical Domains. 429 Logical Domains.
431 430
432 config PCIC_PCI 431 config PCIC_PCI
433 bool 432 bool
434 depends on PCI && SPARC32 && !SPARC_LE 433 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 434 default y
436 435
437 config LEON_PCI 436 config LEON_PCI
438 bool 437 bool
439 depends on PCI && SPARC_LEON 438 depends on PCI && SPARC_LEON
440 default y 439 default y
441 440
442 config SPARC_GRPCI1 441 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 442 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 443 depends on LEON_PCI
445 default y 444 default y
446 help 445 help
447 Say Y here to include the GRPCI Host 446 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 447 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 448 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 449 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 450 on detected PCI Parity and System errors.
452 451
453 config SPARC_GRPCI2 452 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 453 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 454 depends on LEON_PCI
456 default y 455 default y
457 help 456 help
458 Say Y here to include the GRPCI2 Hos 457 Say Y here to include the GRPCI2 Host Bridge Driver.
459 458
460 config SUN_OPENPROMFS 459 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 460 tristate "Openprom tree appears in /proc/openprom"
462 help 461 help
463 If you say Y, the OpenPROM device tr 462 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 463 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 464 -t openpromfs none /proc/openprom".
466 465
467 To compile the /proc/openprom suppor 466 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 467 module will be called openpromfs.
469 468
470 Only choose N if you know in advance 469 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 470 OpenPROM settings on the running system.
472 471
473 # Makefile helpers 472 # Makefile helpers
474 config SPARC64_PCI 473 config SPARC64_PCI
475 bool 474 bool
476 default y 475 default y
477 depends on SPARC64 && PCI 476 depends on SPARC64 && PCI
478 477
479 config SPARC64_PCI_MSI 478 config SPARC64_PCI_MSI
480 bool 479 bool
481 default y 480 default y
482 depends on SPARC64_PCI && PCI_MSI 481 depends on SPARC64_PCI && PCI_MSI
483 482
484 endmenu 483 endmenu
485 484
486 config COMPAT 485 config COMPAT
487 bool 486 bool
488 depends on SPARC64 487 depends on SPARC64
489 default y 488 default y
490 select HAVE_UID16 489 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 490 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 491 select COMPAT_OLD_SIGACTION
493 492
494 source "drivers/sbus/char/Kconfig" 493 source "drivers/sbus/char/Kconfig"
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