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 HAS_IOPORT
37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 36 select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
38 select HAVE_CBPF_JIT if SPARC32 37 select HAVE_CBPF_JIT if SPARC32
39 select HAVE_EBPF_JIT if SPARC64 38 select HAVE_EBPF_JIT if SPARC64
40 select HAVE_DEBUG_BUGVERBOSE 39 select HAVE_DEBUG_BUGVERBOSE
41 select GENERIC_SMP_IDLE_THREAD 40 select GENERIC_SMP_IDLE_THREAD
42 select MODULES_USE_ELF_RELA 41 select MODULES_USE_ELF_RELA
43 select PCI_SYSCALL if PCI 42 select PCI_SYSCALL if PCI
44 select PCI_MSI_ARCH_FALLBACKS if PCI_M 43 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
45 select ODD_RT_SIGACTION 44 select ODD_RT_SIGACTION
46 select OLD_SIGSUSPEND 45 select OLD_SIGSUSPEND
47 select CPU_NO_EFFICIENT_FFS 46 select CPU_NO_EFFICIENT_FFS
48 select LOCKDEP_SMALL if LOCKDEP 47 select LOCKDEP_SMALL if LOCKDEP
49 select NEED_DMA_MAP_STATE 48 select NEED_DMA_MAP_STATE
50 select NEED_SG_DMA_LENGTH 49 select NEED_SG_DMA_LENGTH
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 ! 55 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
57 select ARCH_HAS_SYNC_DMA_FOR_CPU 56 select ARCH_HAS_SYNC_DMA_FOR_CPU
58 select CLZ_TAB 57 select CLZ_TAB
59 select DMA_DIRECT_REMAP 58 select DMA_DIRECT_REMAP
60 select GENERIC_ATOMIC64 59 select GENERIC_ATOMIC64
61 select GENERIC_LIB_CMPDI2 <<
62 select GENERIC_LIB_UCMPDI2 <<
63 select HAVE_UID16 60 select HAVE_UID16
64 select HAVE_PAGE_SIZE_4KB <<
65 select LOCK_MM_AND_FIND_VMA 61 select LOCK_MM_AND_FIND_VMA
66 select OLD_SIGACTION 62 select OLD_SIGACTION
67 select ZONE_DMA 63 select ZONE_DMA
68 64
69 config SPARC64 65 config SPARC64
70 def_bool 64BIT 66 def_bool 64BIT
71 select ALTERNATE_USER_ADDRESS_SPACE 67 select ALTERNATE_USER_ADDRESS_SPACE
72 select HAVE_FUNCTION_TRACER 68 select HAVE_FUNCTION_TRACER
73 select HAVE_FUNCTION_GRAPH_TRACER 69 select HAVE_FUNCTION_GRAPH_TRACER
74 select HAVE_KRETPROBES 70 select HAVE_KRETPROBES
75 select HAVE_KPROBES 71 select HAVE_KPROBES
76 select MMU_GATHER_RCU_TABLE_FREE if SM 72 select MMU_GATHER_RCU_TABLE_FREE if SMP
77 select MMU_GATHER_MERGE_VMAS 73 select MMU_GATHER_MERGE_VMAS
78 select MMU_GATHER_NO_FLUSH_CACHE 74 select MMU_GATHER_NO_FLUSH_CACHE
79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 75 select HAVE_ARCH_TRANSPARENT_HUGEPAGE
80 select HAVE_DYNAMIC_FTRACE 76 select HAVE_DYNAMIC_FTRACE
81 select HAVE_FTRACE_MCOUNT_RECORD 77 select HAVE_FTRACE_MCOUNT_RECORD
82 select HAVE_PAGE_SIZE_8KB <<
83 select HAVE_SYSCALL_TRACEPOINTS 78 select HAVE_SYSCALL_TRACEPOINTS
84 select HAVE_CONTEXT_TRACKING_USER 79 select HAVE_CONTEXT_TRACKING_USER
85 select HAVE_TIF_NOHZ 80 select HAVE_TIF_NOHZ
86 select HAVE_DEBUG_KMEMLEAK 81 select HAVE_DEBUG_KMEMLEAK
87 select IOMMU_HELPER 82 select IOMMU_HELPER
88 select SPARSE_IRQ 83 select SPARSE_IRQ
89 select RTC_DRV_CMOS 84 select RTC_DRV_CMOS
90 select RTC_DRV_BQ4802 85 select RTC_DRV_BQ4802
91 select RTC_DRV_SUN4V 86 select RTC_DRV_SUN4V
92 select RTC_DRV_STARFIRE 87 select RTC_DRV_STARFIRE
93 select HAVE_PERF_EVENTS 88 select HAVE_PERF_EVENTS
94 select PERF_USE_VMALLOC 89 select PERF_USE_VMALLOC
95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 90 select ARCH_HAVE_NMI_SAFE_CMPXCHG
96 select HAVE_C_RECORDMCOUNT 91 select HAVE_C_RECORDMCOUNT
97 select HAVE_ARCH_AUDITSYSCALL 92 select HAVE_ARCH_AUDITSYSCALL
98 select ARCH_SUPPORTS_ATOMIC_RMW 93 select ARCH_SUPPORTS_ATOMIC_RMW
99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC 94 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
100 select HAVE_NMI 95 select HAVE_NMI
101 select HAVE_REGS_AND_STACK_ACCESS_API 96 select HAVE_REGS_AND_STACK_ACCESS_API
102 select ARCH_USE_QUEUED_RWLOCKS 97 select ARCH_USE_QUEUED_RWLOCKS
103 select ARCH_USE_QUEUED_SPINLOCKS 98 select ARCH_USE_QUEUED_SPINLOCKS
104 select GENERIC_TIME_VSYSCALL 99 select GENERIC_TIME_VSYSCALL
105 select ARCH_CLOCKSOURCE_DATA 100 select ARCH_CLOCKSOURCE_DATA
106 select ARCH_HAS_PTE_SPECIAL 101 select ARCH_HAS_PTE_SPECIAL
107 select PCI_DOMAINS if PCI 102 select PCI_DOMAINS if PCI
108 select ARCH_HAS_GIGANTIC_PAGE 103 select ARCH_HAS_GIGANTIC_PAGE
109 select HAVE_SOFTIRQ_ON_OWN_STACK 104 select HAVE_SOFTIRQ_ON_OWN_STACK
110 select HAVE_SETUP_PER_CPU_AREA 105 select HAVE_SETUP_PER_CPU_AREA
111 select NEED_PER_CPU_EMBED_FIRST_CHUNK 106 select NEED_PER_CPU_EMBED_FIRST_CHUNK
112 select NEED_PER_CPU_PAGE_FIRST_CHUNK 107 select NEED_PER_CPU_PAGE_FIRST_CHUNK
113 108
114 config ARCH_PROC_KCORE_TEXT 109 config ARCH_PROC_KCORE_TEXT
115 def_bool y 110 def_bool y
116 111
117 config CPU_BIG_ENDIAN 112 config CPU_BIG_ENDIAN
118 def_bool y 113 def_bool y
119 114
>> 115 config ARCH_ATU
>> 116 bool
>> 117 default y if SPARC64
>> 118
120 config STACKTRACE_SUPPORT 119 config STACKTRACE_SUPPORT
121 bool 120 bool
122 default y if SPARC64 121 default y if SPARC64
123 122
124 config LOCKDEP_SUPPORT 123 config LOCKDEP_SUPPORT
125 bool 124 bool
126 default y if SPARC64 125 default y if SPARC64
127 126
128 config ARCH_HIBERNATION_POSSIBLE 127 config ARCH_HIBERNATION_POSSIBLE
129 def_bool y if SPARC64 128 def_bool y if SPARC64
130 129
131 config AUDIT_ARCH 130 config AUDIT_ARCH
132 bool 131 bool
133 default y 132 default y
134 133
135 config MMU 134 config MMU
136 bool 135 bool
137 default y 136 default y
138 137
139 config HIGHMEM 138 config HIGHMEM
140 bool 139 bool
141 default y if SPARC32 140 default y if SPARC32
142 select KMAP_LOCAL 141 select KMAP_LOCAL
143 142
>> 143 config GENERIC_ISA_DMA
>> 144 bool
>> 145 default y if SPARC32
>> 146
144 config PGTABLE_LEVELS 147 config PGTABLE_LEVELS
145 default 4 if 64BIT 148 default 4 if 64BIT
146 default 3 149 default 3
147 150
148 config ARCH_SUPPORTS_UPROBES 151 config ARCH_SUPPORTS_UPROBES
149 def_bool y if SPARC64 152 def_bool y if SPARC64
150 153
151 menu "Processor type and features" 154 menu "Processor type and features"
152 155
153 config SMP 156 config SMP
154 bool "Symmetric multi-processing suppo 157 bool "Symmetric multi-processing support"
155 help 158 help
156 This enables support for systems wit 159 This enables support for systems with more than one CPU. If you have
157 a system with only one CPU, say N. I 160 a system with only one CPU, say N. If you have a system with more
158 than one CPU, say Y. 161 than one CPU, say Y.
159 162
160 If you say N here, the kernel will r 163 If you say N here, the kernel will run on uni- and multiprocessor
161 machines, but will use only one CPU 164 machines, but will use only one CPU of a multiprocessor machine. If
162 you say Y here, the kernel will run 165 you say Y here, the kernel will run on many, but not all,
163 uniprocessor machines. On a uniproce 166 uniprocessor machines. On a uniprocessor machine, the kernel
164 will run faster if you say N here. 167 will run faster if you say N here.
165 168
166 People using multiprocessor machines 169 People using multiprocessor machines who say Y here should also say
167 Y to "Enhanced Real Time Clock Suppo 170 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
168 Management" code will be disabled if 171 Management" code will be disabled if you say Y here.
169 172
170 See also <file:Documentation/admin-g 173 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
171 available at <https://www.tldp.org/d 174 available at <https://www.tldp.org/docs.html#howto>.
172 175
173 If you don't know what to do here, s 176 If you don't know what to do here, say N.
174 177
175 config NR_CPUS 178 config NR_CPUS
176 int "Maximum number of CPUs" 179 int "Maximum number of CPUs"
177 depends on SMP 180 depends on SMP
178 range 2 32 if SPARC32 181 range 2 32 if SPARC32
179 range 2 4096 if SPARC64 182 range 2 4096 if SPARC64
180 default 32 if SPARC32 183 default 32 if SPARC32
181 default 4096 if SPARC64 184 default 4096 if SPARC64
182 185
183 source "kernel/Kconfig.hz" 186 source "kernel/Kconfig.hz"
184 187
185 config GENERIC_HWEIGHT 188 config GENERIC_HWEIGHT
186 bool 189 bool
187 default y 190 default y
188 191
189 config GENERIC_CALIBRATE_DELAY 192 config GENERIC_CALIBRATE_DELAY
190 bool 193 bool
191 default y 194 default y
192 195
193 config ARCH_MAY_HAVE_PC_FDC 196 config ARCH_MAY_HAVE_PC_FDC
194 bool 197 bool
195 default y 198 default y
196 199
197 config EMULATED_CMPXCHG 200 config EMULATED_CMPXCHG
198 bool 201 bool
199 default y if SPARC32 202 default y if SPARC32
200 help 203 help
201 Sparc32 does not have a CAS instruct 204 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
202 is emulated, and therefore it is not 205 is emulated, and therefore it is not completely atomic.
203 206
204 # Makefile helpers 207 # Makefile helpers
205 config SPARC32_SMP 208 config SPARC32_SMP
206 bool 209 bool
207 default y 210 default y
208 depends on SPARC32 && SMP 211 depends on SPARC32 && SMP
209 212
210 config SPARC64_SMP 213 config SPARC64_SMP
211 bool 214 bool
212 default y 215 default y
213 depends on SPARC64 && SMP 216 depends on SPARC64 && SMP
214 217
215 config EARLYFB 218 config EARLYFB
216 bool "Support for early boot text cons 219 bool "Support for early boot text console"
217 default y 220 default y
218 depends on SPARC64 221 depends on SPARC64
219 select FONT_SUN8x16 <<
220 select FONT_SUPPORT <<
221 help 222 help
222 Say Y here to enable a faster early 223 Say Y here to enable a faster early framebuffer boot console.
223 224
224 config HOTPLUG_CPU 225 config HOTPLUG_CPU
225 bool "Support for hot-pluggable CPUs" 226 bool "Support for hot-pluggable CPUs"
226 depends on SPARC64 && SMP 227 depends on SPARC64 && SMP
227 help 228 help
228 Say Y here to experiment with turnin 229 Say Y here to experiment with turning CPUs off and on. CPUs
229 can be controlled through /sys/devic 230 can be controlled through /sys/devices/system/cpu/cpu#.
230 Say N if you want to disable CPU hot 231 Say N if you want to disable CPU hotplug.
231 232
232 if SPARC64 233 if SPARC64
233 source "drivers/cpufreq/Kconfig" 234 source "drivers/cpufreq/Kconfig"
234 endif 235 endif
235 236
236 config US3_MC 237 config US3_MC
237 tristate "UltraSPARC-III Memory Contro 238 tristate "UltraSPARC-III Memory Controller driver"
238 depends on SPARC64 239 depends on SPARC64
239 default y 240 default y
240 help 241 help
241 This adds a driver for the UltraSPAR 242 This adds a driver for the UltraSPARC-III memory controller.
242 Loading this driver allows exact mne 243 Loading this driver allows exact mnemonic strings to be
243 printed in the event of a memory err 244 printed in the event of a memory error, so that the faulty DIMM
244 on the motherboard can be matched to 245 on the motherboard can be matched to the error.
245 246
246 If in doubt, say Y, as this informat 247 If in doubt, say Y, as this information can be very useful.
247 248
248 # Global things across all Sun machines. 249 # Global things across all Sun machines.
249 config GENERIC_LOCKBREAK 250 config GENERIC_LOCKBREAK
250 bool 251 bool
251 default y 252 default y
252 depends on SPARC64 && SMP && PREEMPTIO 253 depends on SPARC64 && SMP && PREEMPTION
253 254
254 config NUMA 255 config NUMA
255 bool "NUMA support" 256 bool "NUMA support"
256 depends on SPARC64 && SMP 257 depends on SPARC64 && SMP
257 258
258 config NODES_SHIFT 259 config NODES_SHIFT
259 int "Maximum NUMA Nodes (as a power of 260 int "Maximum NUMA Nodes (as a power of 2)"
260 range 4 5 if SPARC64 261 range 4 5 if SPARC64
261 default "5" 262 default "5"
262 depends on NUMA 263 depends on NUMA
263 help 264 help
264 Specify the maximum number of NUMA N 265 Specify the maximum number of NUMA Nodes available on the target
265 system. Increases memory reserved t 266 system. Increases memory reserved to accommodate various tables.
266 267
267 config ARCH_SPARSEMEM_ENABLE 268 config ARCH_SPARSEMEM_ENABLE
268 def_bool y if SPARC64 269 def_bool y if SPARC64
269 select SPARSEMEM_VMEMMAP_ENABLE 270 select SPARSEMEM_VMEMMAP_ENABLE
270 271
271 config ARCH_SPARSEMEM_DEFAULT 272 config ARCH_SPARSEMEM_DEFAULT
272 def_bool y if SPARC64 273 def_bool y if SPARC64
273 274
274 config ARCH_FORCE_MAX_ORDER 275 config ARCH_FORCE_MAX_ORDER
275 int "Order of maximal physically conti 276 int "Order of maximal physically contiguous allocations"
276 default "12" 277 default "12"
277 help 278 help
278 The kernel page allocator limits the 279 The kernel page allocator limits the size of maximal physically
279 contiguous allocations. The limit is !! 280 contiguous allocations. The limit is called MAX_ORDER and it
280 defines the maximal power of two of 281 defines the maximal power of two of number of pages that can be
281 allocated as a single contiguous blo 282 allocated as a single contiguous block. This option allows
282 overriding the default setting when 283 overriding the default setting when ability to allocate very
283 large blocks of physically contiguou 284 large blocks of physically contiguous memory is required.
284 285
285 Don't change if unsure. 286 Don't change if unsure.
286 287
287 if SPARC64 || COMPILE_TEST 288 if SPARC64 || COMPILE_TEST
288 source "kernel/power/Kconfig" 289 source "kernel/power/Kconfig"
289 endif 290 endif
290 291
291 config SCHED_SMT 292 config SCHED_SMT
292 bool "SMT (Hyperthreading) scheduler s 293 bool "SMT (Hyperthreading) scheduler support"
293 depends on SPARC64 && SMP 294 depends on SPARC64 && SMP
294 default y 295 default y
295 help 296 help
296 SMT scheduler support improves the C 297 SMT scheduler support improves the CPU scheduler's decision making
297 when dealing with SPARC cpus at a co 298 when dealing with SPARC cpus at a cost of slightly increased overhead
298 in some places. If unsure say N here 299 in some places. If unsure say N here.
299 300
300 config SCHED_MC 301 config SCHED_MC
301 bool "Multi-core scheduler support" 302 bool "Multi-core scheduler support"
302 depends on SPARC64 && SMP 303 depends on SPARC64 && SMP
303 default y 304 default y
304 help 305 help
305 Multi-core scheduler support improve 306 Multi-core scheduler support improves the CPU scheduler's decision
306 making when dealing with multi-core 307 making when dealing with multi-core CPU chips at a cost of slightly
307 increased overhead in some places. I 308 increased overhead in some places. If unsure say N here.
308 309
309 config CMDLINE_BOOL 310 config CMDLINE_BOOL
310 bool "Default bootloader kernel argume 311 bool "Default bootloader kernel arguments"
311 depends on SPARC64 312 depends on SPARC64
312 313
313 config CMDLINE 314 config CMDLINE
314 string "Initial kernel command string" 315 string "Initial kernel command string"
315 depends on CMDLINE_BOOL 316 depends on CMDLINE_BOOL
316 default "console=ttyS0,9600 root=/dev/ 317 default "console=ttyS0,9600 root=/dev/sda1"
317 help 318 help
318 Say Y here if you want to be able to 319 Say Y here if you want to be able to pass default arguments to
319 the kernel. This will be overridden 320 the kernel. This will be overridden by the bootloader, if you
320 use one (such as SILO). This is most 321 use one (such as SILO). This is most useful if you want to boot
321 a kernel from TFTP, and want default 322 a kernel from TFTP, and want default options to be available
322 with having them passed on the comma 323 with having them passed on the command line.
323 324
324 NOTE: This option WILL override the 325 NOTE: This option WILL override the PROM bootargs setting!
325 326
326 config SUN_PM 327 config SUN_PM
327 bool 328 bool
328 default y if SPARC32 329 default y if SPARC32
329 help 330 help
330 Enable power management and CPU stan 331 Enable power management and CPU standby features on supported
331 SPARC platforms. 332 SPARC platforms.
332 333
333 config SPARC_LED 334 config SPARC_LED
334 tristate "Sun4m LED driver" 335 tristate "Sun4m LED driver"
335 depends on SPARC32 336 depends on SPARC32
336 help 337 help
337 This driver toggles the front-panel 338 This driver toggles the front-panel LED on sun4m systems
338 in a user-specifiable manner. Its s 339 in a user-specifiable manner. Its state can be probed
339 by reading /proc/led and its blinkin 340 by reading /proc/led and its blinking mode can be changed
340 via writes to /proc/led 341 via writes to /proc/led
341 342
342 config SERIAL_CONSOLE 343 config SERIAL_CONSOLE
343 bool 344 bool
344 depends on SPARC32 345 depends on SPARC32
345 default y 346 default y
346 help 347 help
347 If you say Y here, it will be possib 348 If you say Y here, it will be possible to use a serial port as the
348 system console (the system console i 349 system console (the system console is the device which receives all
349 kernel messages and warnings and whi 350 kernel messages and warnings and which allows logins in single user
350 mode). This could be useful if some 351 mode). This could be useful if some terminal or printer is connected
351 to that serial port. 352 to that serial port.
352 353
353 Even if you say Y here, the currentl 354 Even if you say Y here, the currently visible virtual console
354 (/dev/tty0) will still be used as th 355 (/dev/tty0) will still be used as the system console by default, but
355 you can alter that using a kernel co 356 you can alter that using a kernel command line option such as
356 "console=ttyS1". (Try "man bootparam 357 "console=ttyS1". (Try "man bootparam" or see the documentation of
357 your boot loader (silo) about how to 358 your boot loader (silo) about how to pass options to the kernel at
358 boot time.) 359 boot time.)
359 360
360 If you don't have a graphics card in 361 If you don't have a graphics card installed and you say Y here, the
361 kernel will automatically use the fi 362 kernel will automatically use the first serial line, /dev/ttyS0, as
362 system console. 363 system console.
363 364
364 If unsure, say N. 365 If unsure, say N.
365 366
366 config SPARC_LEON 367 config SPARC_LEON
367 bool "Sparc Leon processor family" 368 bool "Sparc Leon processor family"
368 depends on SPARC32 369 depends on SPARC32
369 select USB_EHCI_BIG_ENDIAN_MMIO 370 select USB_EHCI_BIG_ENDIAN_MMIO
370 select USB_EHCI_BIG_ENDIAN_DESC 371 select USB_EHCI_BIG_ENDIAN_DESC
371 select USB_UHCI_BIG_ENDIAN_MMIO 372 select USB_UHCI_BIG_ENDIAN_MMIO
372 select USB_UHCI_BIG_ENDIAN_DESC 373 select USB_UHCI_BIG_ENDIAN_DESC
373 help 374 help
374 If you say Y here if you are running 375 If you say Y here if you are running on a SPARC-LEON processor.
375 The LEON processor is a synthesizabl 376 The LEON processor is a synthesizable VHDL model of the
376 SPARC-v8 standard. LEON is part of 377 SPARC-v8 standard. LEON is part of the GRLIB collection of
377 IP cores that are distributed under 378 IP cores that are distributed under GPL. GRLIB can be downloaded
378 from www.gaisler.com. You can downlo 379 from www.gaisler.com. You can download a sparc-linux cross-compilation
379 toolchain at www.gaisler.com. 380 toolchain at www.gaisler.com.
380 381
381 if SPARC_LEON 382 if SPARC_LEON
382 menu "U-Boot options" 383 menu "U-Boot options"
383 384
384 config UBOOT_LOAD_ADDR 385 config UBOOT_LOAD_ADDR
385 hex "uImage Load Address" 386 hex "uImage Load Address"
386 default 0x40004000 387 default 0x40004000
387 help 388 help
388 U-Boot kernel load address, the addre 389 U-Boot kernel load address, the address in physical address space
389 where u-boot will place the Linux ker 390 where u-boot will place the Linux kernel before booting it.
390 This address is normally the base add 391 This address is normally the base address of main memory + 0x4000.
391 392
392 config UBOOT_FLASH_ADDR 393 config UBOOT_FLASH_ADDR
393 hex "uImage.o Load Address" 394 hex "uImage.o Load Address"
394 default 0x00080000 395 default 0x00080000
395 help 396 help
396 Optional setting only affecting the u 397 Optional setting only affecting the uImage.o ELF-image used to
397 download the uImage file to the targe 398 download the uImage file to the target using a ELF-loader other than
398 U-Boot. It may for example be used to 399 U-Boot. It may for example be used to download an uImage to FLASH with
399 the GRMON utility before even startin 400 the GRMON utility before even starting u-boot.
400 401
401 config UBOOT_ENTRY_ADDR 402 config UBOOT_ENTRY_ADDR
402 hex "uImage Entry Address" 403 hex "uImage Entry Address"
403 default 0xf0004000 404 default 0xf0004000
404 help 405 help
405 Do not change this unless you know wh 406 Do not change this unless you know what you're doing. This is
406 hardcoded by the SPARC32 and LEON por 407 hardcoded by the SPARC32 and LEON port.
407 408
408 This is the virtual address u-boot ju 409 This is the virtual address u-boot jumps to when booting the Linux
409 Kernel. 410 Kernel.
410 411
411 endmenu 412 endmenu
412 endif 413 endif
413 414
414 endmenu 415 endmenu
415 416
416 menu "Bus options (PCI etc.)" 417 menu "Bus options (PCI etc.)"
417 config SBUS 418 config SBUS
418 bool 419 bool
419 default y 420 default y
420 421
421 config SBUSCHAR 422 config SBUSCHAR
422 bool 423 bool
423 default y 424 default y
424 425
425 config SUN_LDOMS 426 config SUN_LDOMS
426 bool "Sun Logical Domains support" 427 bool "Sun Logical Domains support"
427 depends on SPARC64 428 depends on SPARC64
428 help 429 help
429 Say Y here is you want to support vi 430 Say Y here is you want to support virtual devices via
430 Logical Domains. 431 Logical Domains.
431 432
432 config PCIC_PCI 433 config PCIC_PCI
433 bool 434 bool
434 depends on PCI && SPARC32 && !SPARC_LE 435 depends on PCI && SPARC32 && !SPARC_LEON
435 default y 436 default y
436 437
437 config LEON_PCI 438 config LEON_PCI
438 bool 439 bool
439 depends on PCI && SPARC_LEON 440 depends on PCI && SPARC_LEON
440 default y 441 default y
441 442
442 config SPARC_GRPCI1 443 config SPARC_GRPCI1
443 bool "GRPCI Host Bridge Support" 444 bool "GRPCI Host Bridge Support"
444 depends on LEON_PCI 445 depends on LEON_PCI
445 default y 446 default y
446 help 447 help
447 Say Y here to include the GRPCI Host 448 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
448 PCI host controller is typically fou 449 PCI host controller is typically found in GRLIB SPARC32/LEON
449 systems. The driver has one property 450 systems. The driver has one property (all_pci_errors) controlled
450 from the bootloader that makes the G 451 from the bootloader that makes the GRPCI to generate interrupts
451 on detected PCI Parity and System er 452 on detected PCI Parity and System errors.
452 453
453 config SPARC_GRPCI2 454 config SPARC_GRPCI2
454 bool "GRPCI2 Host Bridge Support" 455 bool "GRPCI2 Host Bridge Support"
455 depends on LEON_PCI 456 depends on LEON_PCI
456 default y 457 default y
457 help 458 help
458 Say Y here to include the GRPCI2 Hos 459 Say Y here to include the GRPCI2 Host Bridge Driver.
459 460
460 config SUN_OPENPROMFS 461 config SUN_OPENPROMFS
461 tristate "Openprom tree appears in /pr 462 tristate "Openprom tree appears in /proc/openprom"
462 help 463 help
463 If you say Y, the OpenPROM device tr 464 If you say Y, the OpenPROM device tree will be available as a
464 virtual file system, which you can m 465 virtual file system, which you can mount to /proc/openprom by "mount
465 -t openpromfs none /proc/openprom". 466 -t openpromfs none /proc/openprom".
466 467
467 To compile the /proc/openprom suppor 468 To compile the /proc/openprom support as a module, choose M here: the
468 module will be called openpromfs. 469 module will be called openpromfs.
469 470
470 Only choose N if you know in advance 471 Only choose N if you know in advance that you will not need to modify
471 OpenPROM settings on the running sys 472 OpenPROM settings on the running system.
472 473
473 # Makefile helpers 474 # Makefile helpers
474 config SPARC64_PCI 475 config SPARC64_PCI
475 bool 476 bool
476 default y 477 default y
477 depends on SPARC64 && PCI 478 depends on SPARC64 && PCI
478 479
479 config SPARC64_PCI_MSI 480 config SPARC64_PCI_MSI
480 bool 481 bool
481 default y 482 default y
482 depends on SPARC64_PCI && PCI_MSI 483 depends on SPARC64_PCI && PCI_MSI
483 484
484 endmenu 485 endmenu
485 486
486 config COMPAT 487 config COMPAT
487 bool 488 bool
488 depends on SPARC64 489 depends on SPARC64
489 default y 490 default y
490 select HAVE_UID16 491 select HAVE_UID16
491 select ARCH_WANT_OLD_COMPAT_IPC 492 select ARCH_WANT_OLD_COMPAT_IPC
492 select COMPAT_OLD_SIGACTION 493 select COMPAT_OLD_SIGACTION
493 494
494 source "drivers/sbus/char/Kconfig" 495 source "drivers/sbus/char/Kconfig"
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