1 # SPDX-License-Identifier: GPL-2.0 !! 1 # SPDX-License-Identifier: GPL-2.0-only
2 config PARISC !! 2 config 64BIT
3 def_bool y !! 3 bool "64-bit kernel" if "$(ARCH)" = "sparc"
4 select ALTERNATE_USER_ADDRESS_SPACE !! 4 default "$(ARCH)" = "sparc64"
5 select ARCH_32BIT_OFF_T if !64BIT !! 5 help
6 select ARCH_MIGHT_HAVE_PC_PARPORT !! 6 SPARC is a family of RISC microprocessors designed and marketed by
7 select HAVE_FUNCTION_TRACER !! 7 Sun Microsystems, incorporated. They are very widely found in Sun
8 select HAVE_FUNCTION_GRAPH_TRACER !! 8 workstations and clones.
9 select HAVE_SYSCALL_TRACEPOINTS !! 9
10 select ARCH_WANT_FRAME_POINTERS !! 10 Say yes to build a 64-bit kernel - formerly known as sparc64
>> 11 Say no to build a 32-bit kernel - formerly known as sparc
>> 12
>> 13 config SPARC
>> 14 bool
>> 15 default y
11 select ARCH_HAS_CPU_CACHE_ALIASING 16 select ARCH_HAS_CPU_CACHE_ALIASING
12 select ARCH_HAS_DMA_ALLOC if PA11 <<
13 select ARCH_HAS_DMA_OPS 17 select ARCH_HAS_DMA_OPS
14 select ARCH_HAS_ELF_RANDOMIZE !! 18 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI
15 select ARCH_HAS_STRICT_KERNEL_RWX !! 19 select ARCH_MIGHT_HAVE_PC_SERIO
16 select ARCH_HAS_STRICT_MODULE_RWX !! 20 select OF
17 select ARCH_HAS_UBSAN !! 21 select OF_PROMTREE
18 select ARCH_HAS_PTE_SPECIAL !! 22 select HAVE_ASM_MODVERSIONS
19 select ARCH_NO_SG_CHAIN !! 23 select HAVE_ARCH_KGDB if !SMP || SPARC64
20 select ARCH_SPLIT_ARG64 if !64BIT !! 24 select HAVE_ARCH_TRACEHOOK
21 select ARCH_SUPPORTS_HUGETLBFS if PA20 !! 25 select HAVE_ARCH_SECCOMP if SPARC64
22 select ARCH_SUPPORTS_MEMORY_FAILURE !! 26 select HAVE_EXIT_THREAD
23 select ARCH_STACKWALK <<
24 select ARCH_HAS_CACHE_LINE_SIZE <<
25 select ARCH_HAS_DEBUG_VM_PGTABLE <<
26 select HAVE_RELIABLE_STACKTRACE <<
27 select RTC_CLASS <<
28 select RTC_DRV_GENERIC <<
29 select INIT_ALL_POSSIBLE <<
30 select BUG <<
31 select HAVE_KERNEL_UNCOMPRESSED <<
32 select HAVE_PCI 27 select HAVE_PCI
33 select HAVE_PERF_EVENTS !! 28 select SYSCTL_EXCEPTION_TRACE
34 select HAVE_KERNEL_BZIP2 !! 29 select RTC_CLASS
35 select HAVE_KERNEL_GZIP !! 30 select RTC_DRV_M48T59
36 select HAVE_KERNEL_LZ4 !! 31 select RTC_SYSTOHC
37 select HAVE_KERNEL_LZMA !! 32 select HAVE_ARCH_JUMP_LABEL if SPARC64
38 select HAVE_KERNEL_LZO !! 33 select GENERIC_IRQ_SHOW
39 select HAVE_KERNEL_XZ !! 34 select ARCH_WANT_IPC_PARSE_VERSION
40 select GENERIC_ATOMIC64 if !64BIT <<
41 select GENERIC_IRQ_PROBE <<
42 select GENERIC_PCI_IOMAP 35 select GENERIC_PCI_IOMAP
43 select GENERIC_IOREMAP !! 36 select HAS_IOPORT
44 select ARCH_HAVE_NMI_SAFE_CMPXCHG !! 37 select HAVE_HARDLOCKUP_DETECTOR_SPARC64 if SPARC64
>> 38 select HAVE_CBPF_JIT if SPARC32
>> 39 select HAVE_EBPF_JIT if SPARC64
>> 40 select HAVE_DEBUG_BUGVERBOSE
45 select GENERIC_SMP_IDLE_THREAD 41 select GENERIC_SMP_IDLE_THREAD
46 select GENERIC_ARCH_TOPOLOGY if SMP <<
47 select GENERIC_CPU_DEVICES if !SMP <<
48 select GENERIC_LIB_DEVMEM_IS_ALLOWED <<
49 select SYSCTL_ARCH_UNALIGN_ALLOW <<
50 select SYSCTL_ARCH_UNALIGN_NO_WARN <<
51 select SYSCTL_EXCEPTION_TRACE <<
52 select HAVE_MOD_ARCH_SPECIFIC <<
53 select MODULES_USE_ELF_RELA 42 select MODULES_USE_ELF_RELA
54 select CLONE_BACKWARDS !! 43 select PCI_SYSCALL if PCI
55 select TTY # Needed for pdc_cons.c !! 44 select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
56 select HAS_IOPORT if PCI || EISA !! 45 select ODD_RT_SIGACTION
57 select HAVE_DEBUG_STACKOVERFLOW !! 46 select OLD_SIGSUSPEND
58 select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_ <<
59 select HAVE_ARCH_MMAP_RND_COMPAT_BITS <<
60 select HAVE_ARCH_MMAP_RND_BITS <<
61 select HAVE_ARCH_AUDITSYSCALL <<
62 select HAVE_ARCH_HASH <<
63 select HAVE_ARCH_JUMP_LABEL <<
64 select HAVE_ARCH_JUMP_LABEL_RELATIVE <<
65 select HAVE_ARCH_KFENCE <<
66 select HAVE_ARCH_SECCOMP_FILTER <<
67 select HAVE_ARCH_TRACEHOOK <<
68 select HAVE_EBPF_JIT <<
69 select ARCH_WANT_DEFAULT_BPF_JIT <<
70 select HAVE_REGS_AND_STACK_ACCESS_API <<
71 select HOTPLUG_CORE_SYNC_DEAD if HOTPL <<
72 select GENERIC_SCHED_CLOCK <<
73 select GENERIC_IRQ_MIGRATION if SMP <<
74 select HAVE_UNSTABLE_SCHED_CLOCK if SM <<
75 select GENERIC_CLOCKEVENTS <<
76 select CPU_NO_EFFICIENT_FFS 47 select CPU_NO_EFFICIENT_FFS
77 select THREAD_INFO_IN_TASK !! 48 select LOCKDEP_SMALL if LOCKDEP
78 select NEED_DMA_MAP_STATE 49 select NEED_DMA_MAP_STATE
79 select NEED_SG_DMA_LENGTH 50 select NEED_SG_DMA_LENGTH
80 select HAVE_ARCH_KGDB <<
81 select HAVE_KPROBES <<
82 select HAVE_KRETPROBES <<
83 select HAVE_DYNAMIC_FTRACE if $(cc-opt <<
84 select HAVE_FTRACE_MCOUNT_RECORD if HA <<
85 select FTRACE_MCOUNT_USE_PATCHABLE_FUN <<
86 select HAVE_KPROBES_ON_FTRACE <<
87 select HAVE_DYNAMIC_FTRACE_WITH_REGS <<
88 select HAVE_SOFTIRQ_ON_OWN_STACK if IR <<
89 select TRACE_IRQFLAGS_SUPPORT 51 select TRACE_IRQFLAGS_SUPPORT
90 select HAVE_FUNCTION_DESCRIPTORS if 64 <<
91 select PCI_MSI_ARCH_FALLBACKS if PCI_M <<
92 52
93 help !! 53 config SPARC32
94 The PA-RISC microprocessor is design !! 54 def_bool !64BIT
95 in many of their workstations & serv !! 55 select ARCH_32BIT_OFF_T
96 and later HP3000 series). The PA-RI !! 56 select ARCH_HAS_CPU_FINALIZE_INIT if !SMP
97 at <https://parisc.wiki.kernel.org>. !! 57 select ARCH_HAS_SYNC_DMA_FOR_CPU
>> 58 select CLZ_TAB
>> 59 select DMA_DIRECT_REMAP
>> 60 select GENERIC_ATOMIC64
>> 61 select GENERIC_LIB_CMPDI2
>> 62 select GENERIC_LIB_UCMPDI2
>> 63 select HAVE_UID16
>> 64 select HAVE_PAGE_SIZE_4KB
>> 65 select LOCK_MM_AND_FIND_VMA
>> 66 select OLD_SIGACTION
>> 67 select ZONE_DMA
98 68
99 config CPU_BIG_ENDIAN !! 69 config SPARC64
100 def_bool y !! 70 def_bool 64BIT
>> 71 select ALTERNATE_USER_ADDRESS_SPACE
>> 72 select HAVE_FUNCTION_TRACER
>> 73 select HAVE_FUNCTION_GRAPH_TRACER
>> 74 select HAVE_KRETPROBES
>> 75 select HAVE_KPROBES
>> 76 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
>> 80 select HAVE_DYNAMIC_FTRACE
>> 81 select HAVE_FTRACE_MCOUNT_RECORD
>> 82 select HAVE_PAGE_SIZE_8KB
>> 83 select HAVE_SYSCALL_TRACEPOINTS
>> 84 select HAVE_CONTEXT_TRACKING_USER
>> 85 select HAVE_TIF_NOHZ
>> 86 select HAVE_DEBUG_KMEMLEAK
>> 87 select IOMMU_HELPER
>> 88 select SPARSE_IRQ
>> 89 select RTC_DRV_CMOS
>> 90 select RTC_DRV_BQ4802
>> 91 select RTC_DRV_SUN4V
>> 92 select RTC_DRV_STARFIRE
>> 93 select HAVE_PERF_EVENTS
>> 94 select PERF_USE_VMALLOC
>> 95 select ARCH_HAVE_NMI_SAFE_CMPXCHG
>> 96 select HAVE_C_RECORDMCOUNT
>> 97 select HAVE_ARCH_AUDITSYSCALL
>> 98 select ARCH_SUPPORTS_ATOMIC_RMW
>> 99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC
>> 100 select HAVE_NMI
>> 101 select HAVE_REGS_AND_STACK_ACCESS_API
>> 102 select ARCH_USE_QUEUED_RWLOCKS
>> 103 select ARCH_USE_QUEUED_SPINLOCKS
>> 104 select GENERIC_TIME_VSYSCALL
>> 105 select ARCH_CLOCKSOURCE_DATA
>> 106 select ARCH_HAS_PTE_SPECIAL
>> 107 select PCI_DOMAINS if PCI
>> 108 select ARCH_HAS_GIGANTIC_PAGE
>> 109 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
101 113
102 config MMU !! 114 config ARCH_PROC_KCORE_TEXT
103 def_bool y 115 def_bool y
104 116
105 config STACK_GROWSUP !! 117 config CPU_BIG_ENDIAN
106 def_bool y 118 def_bool y
107 119
108 config GENERIC_LOCKBREAK !! 120 config STACKTRACE_SUPPORT
109 bool <<
110 default y <<
111 depends on SMP && PREEMPTION <<
112 <<
113 config ARCH_HAS_ILOG2_U32 <<
114 bool 121 bool
115 default n !! 122 default y if SPARC64
116 123
117 config ARCH_HAS_ILOG2_U64 !! 124 config LOCKDEP_SUPPORT
118 bool 125 bool
119 default n !! 126 default y if SPARC64
120 127
121 config GENERIC_BUG !! 128 config ARCH_HIBERNATION_POSSIBLE
122 def_bool y !! 129 def_bool y if SPARC64
123 depends on BUG <<
124 select GENERIC_BUG_RELATIVE_POINTERS i <<
125 <<
126 config GENERIC_BUG_RELATIVE_POINTERS <<
127 bool <<
128 130
129 config GENERIC_HWEIGHT !! 131 config AUDIT_ARCH
130 bool 132 bool
131 default y 133 default y
132 134
133 config GENERIC_CALIBRATE_DELAY !! 135 config MMU
134 bool 136 bool
135 default y 137 default y
136 138
137 config TIME_LOW_RES !! 139 config HIGHMEM
138 bool 140 bool
139 depends on SMP !! 141 default y if SPARC32
140 default y !! 142 select KMAP_LOCAL
141 143
142 config ARCH_MMAP_RND_BITS_MIN !! 144 config PGTABLE_LEVELS
143 default 18 if 64BIT !! 145 default 4 if 64BIT
144 default 8 !! 146 default 3
145 <<
146 config ARCH_MMAP_RND_COMPAT_BITS_MIN <<
147 default 8 <<
148 <<
149 config ARCH_MMAP_RND_BITS_MAX <<
150 default 18 if 64BIT <<
151 default 13 <<
152 147
153 config ARCH_MMAP_RND_COMPAT_BITS_MAX !! 148 config ARCH_SUPPORTS_UPROBES
154 default 13 !! 149 def_bool y if SPARC64
155 150
156 # unless you want to implement ACPI on PA-RISC !! 151 menu "Processor type and features"
157 config PM <<
158 bool <<
159 152
160 config STACKTRACE_SUPPORT !! 153 config SMP
161 def_bool y !! 154 bool "Symmetric multi-processing support"
>> 155 help
>> 156 This enables support for systems with more than one CPU. If you have
>> 157 a system with only one CPU, say N. If you have a system with more
>> 158 than one CPU, say Y.
162 159
163 config LOCKDEP_SUPPORT !! 160 If you say N here, the kernel will run on uni- and multiprocessor
>> 161 machines, but will use only one CPU of a multiprocessor machine. If
>> 162 you say Y here, the kernel will run on many, but not all,
>> 163 uniprocessor machines. On a uniprocessor machine, the kernel
>> 164 will run faster if you say N here.
>> 165
>> 166 People using multiprocessor machines who say Y here should also say
>> 167 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
>> 168 Management" code will be disabled if you say Y here.
>> 169
>> 170 See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
>> 171 available at <https://www.tldp.org/docs.html#howto>.
>> 172
>> 173 If you don't know what to do here, say N.
>> 174
>> 175 config NR_CPUS
>> 176 int "Maximum number of CPUs"
>> 177 depends on SMP
>> 178 range 2 32 if SPARC32
>> 179 range 2 4096 if SPARC64
>> 180 default 32 if SPARC32
>> 181 default 4096 if SPARC64
>> 182
>> 183 source "kernel/Kconfig.hz"
>> 184
>> 185 config GENERIC_HWEIGHT
164 bool 186 bool
165 default y 187 default y
166 188
167 config ISA_DMA_API !! 189 config GENERIC_CALIBRATE_DELAY
168 bool 190 bool
>> 191 default y
169 192
170 config ARCH_MAY_HAVE_PC_FDC 193 config ARCH_MAY_HAVE_PC_FDC
171 bool 194 bool
172 depends on BROKEN <<
173 default y 195 default y
174 196
175 config PGTABLE_LEVELS !! 197 config EMULATED_CMPXCHG
176 int !! 198 bool
177 default 3 if 64BIT && PARISC_PAGE_SIZE !! 199 default y if SPARC32
178 default 2 <<
179 <<
180 menu "Processor type and features" <<
181 <<
182 choice <<
183 prompt "Processor type" <<
184 default PA7000 if "$(ARCH)" = "parisc" <<
185 <<
186 config PA7000 <<
187 bool "PA7000/PA7100" if "$(ARCH)" = "p <<
188 help 200 help
189 This is the processor type of your C !! 201 Sparc32 does not have a CAS instruction like sparc64. cmpxchg()
190 used for optimizing purposes. In or !! 202 is emulated, and therefore it is not completely atomic.
191 that can run on all 32-bit PA CPUs ( <<
192 you can specify "PA7000" here. <<
193 203
194 Specifying "PA8000" here will allow !! 204 # Makefile helpers
195 which is required on some machines. !! 205 config SPARC32_SMP
>> 206 bool
>> 207 default y
>> 208 depends on SPARC32 && SMP
196 209
197 config PA7100LC !! 210 config SPARC64_SMP
198 bool "PA7100LC" if "$(ARCH)" = "parisc !! 211 bool
199 help !! 212 default y
200 Select this option for the PCX-L pro !! 213 depends on SPARC64 && SMP
201 712, 715/64, 715/80, 715/100, 715/10 <<
202 D200, D210, D300, D310 and E-class <<
203 214
204 config PA7200 !! 215 config EARLYFB
205 bool "PA7200" if "$(ARCH)" = "parisc" !! 216 bool "Support for early boot text console"
>> 217 default y
>> 218 depends on SPARC64
>> 219 select FONT_SUN8x16
>> 220 select FONT_SUPPORT
206 help 221 help
207 Select this option for the PCX-T' pr !! 222 Say Y here to enable a faster early framebuffer boot console.
208 C100, C110, J100, J110, J210XC, D250 <<
209 K100, K200, K210, K220, K400, K410 a <<
210 223
211 config PA7300LC !! 224 config HOTPLUG_CPU
212 bool "PA7300LC" if "$(ARCH)" = "parisc !! 225 bool "Support for hot-pluggable CPUs"
>> 226 depends on SPARC64 && SMP
213 help 227 help
214 Select this option for the PCX-L2 pr !! 228 Say Y here to experiment with turning CPUs off and on. CPUs
215 744, A180, B132L, B160L, B180L, C132 !! 229 can be controlled through /sys/devices/system/cpu/cpu#.
216 D220, D230, D320 and D330. !! 230 Say N if you want to disable CPU hotplug.
217 !! 231
218 config PA8X00 !! 232 if SPARC64
219 bool "PA8000 and up" !! 233 source "drivers/cpufreq/Kconfig"
>> 234 endif
>> 235
>> 236 config US3_MC
>> 237 tristate "UltraSPARC-III Memory Controller driver"
>> 238 depends on SPARC64
>> 239 default y
220 help 240 help
221 Select this option for PCX-U to PCX- !! 241 This adds a driver for the UltraSPARC-III memory controller.
222 !! 242 Loading this driver allows exact mnemonic strings to be
223 endchoice !! 243 printed in the event of a memory error, so that the faulty DIMM
>> 244 on the motherboard can be matched to the error.
224 245
225 # Define implied options from the CPU selectio !! 246 If in doubt, say Y, as this information can be very useful.
226 247
227 config PA20 !! 248 # Global things across all Sun machines.
228 def_bool y !! 249 config GENERIC_LOCKBREAK
229 depends on PA8X00 !! 250 bool
230 !! 251 default y
231 config PA11 !! 252 depends on SPARC64 && SMP && PREEMPTION
232 def_bool y <<
233 depends on PA7000 || PA7100LC || PA720 <<
234 select ARCH_HAS_SYNC_DMA_FOR_CPU <<
235 select ARCH_HAS_SYNC_DMA_FOR_DEVICE <<
236 253
237 config PREFETCH !! 254 config NUMA
238 def_bool y !! 255 bool "NUMA support"
239 depends on PA8X00 || PA7200 !! 256 depends on SPARC64 && SMP
>> 257
>> 258 config NODES_SHIFT
>> 259 int "Maximum NUMA Nodes (as a power of 2)"
>> 260 range 4 5 if SPARC64
>> 261 default "5"
>> 262 depends on NUMA
>> 263 help
>> 264 Specify the maximum number of NUMA Nodes available on the target
>> 265 system. Increases memory reserved to accommodate various tables.
240 266
241 config PARISC_HUGE_KERNEL !! 267 config ARCH_SPARSEMEM_ENABLE
242 def_bool y if !MODULES || UBSAN || FTR !! 268 def_bool y if SPARC64
>> 269 select SPARSEMEM_VMEMMAP_ENABLE
243 270
244 config MLONGCALLS !! 271 config ARCH_SPARSEMEM_DEFAULT
245 bool "Enable the -mlong-calls compiler !! 272 def_bool y if SPARC64
246 depends on PA8X00 <<
247 default PARISC_HUGE_KERNEL <<
248 help <<
249 If you configure the kernel to inclu <<
250 as modules, the kernel executable ma <<
251 linker will not be able to resolve s <<
252 your vmlinux kernel. In that case en <<
253 to overcome this limit by using the <<
254 <<
255 Usually you want to say N here, unle <<
256 a kernel which includes all necessar <<
257 be used for TFTP booting without the <<
258 273
259 Enabling this option will probably s !! 274 config ARCH_FORCE_MAX_ORDER
>> 275 int "Order of maximal physically contiguous allocations"
>> 276 default "12"
>> 277 help
>> 278 The kernel page allocator limits the size of maximal physically
>> 279 contiguous allocations. The limit is called MAX_PAGE_ORDER and it
>> 280 defines the maximal power of two of number of pages that can be
>> 281 allocated as a single contiguous block. This option allows
>> 282 overriding the default setting when ability to allocate very
>> 283 large blocks of physically contiguous memory is required.
>> 284
>> 285 Don't change if unsure.
>> 286
>> 287 if SPARC64 || COMPILE_TEST
>> 288 source "kernel/power/Kconfig"
>> 289 endif
>> 290
>> 291 config SCHED_SMT
>> 292 bool "SMT (Hyperthreading) scheduler support"
>> 293 depends on SPARC64 && SMP
>> 294 default y
>> 295 help
>> 296 SMT scheduler support improves the CPU scheduler's decision making
>> 297 when dealing with SPARC cpus at a cost of slightly increased overhead
>> 298 in some places. If unsure say N here.
260 299
261 config 64BIT !! 300 config SCHED_MC
262 bool "64-bit kernel" if "$(ARCH)" = "p !! 301 bool "Multi-core scheduler support"
263 depends on PA8X00 !! 302 depends on SPARC64 && SMP
264 default "$(ARCH)" = "parisc64" !! 303 default y
265 help 304 help
266 Enable this if you want to support 6 !! 305 Multi-core scheduler support improves the CPU scheduler's decision
>> 306 making when dealing with multi-core CPU chips at a cost of slightly
>> 307 increased overhead in some places. If unsure say N here.
267 308
268 At the moment, only people willing t !! 309 config CMDLINE_BOOL
269 or having a 64bit-only capable PA-RI !! 310 bool "Default bootloader kernel arguments"
>> 311 depends on SPARC64
270 312
271 Since there is no 64bit userland on !! 313 config CMDLINE
272 enable this option otherwise. The 64 !! 314 string "Initial kernel command string"
273 and slower than the 32bit one. !! 315 depends on CMDLINE_BOOL
>> 316 default "console=ttyS0,9600 root=/dev/sda1"
>> 317 help
>> 318 Say Y here if you want to be able to pass default arguments to
>> 319 the kernel. This will be overridden by the bootloader, if you
>> 320 use one (such as SILO). This is most useful if you want to boot
>> 321 a kernel from TFTP, and want default options to be available
>> 322 with having them passed on the command line.
274 323
275 choice !! 324 NOTE: This option WILL override the PROM bootargs setting!
276 prompt "Kernel page size" <<
277 default PARISC_PAGE_SIZE_4KB <<
278 325
279 config PARISC_PAGE_SIZE_4KB !! 326 config SUN_PM
280 bool "4KB" !! 327 bool
281 select HAVE_PAGE_SIZE_4KB !! 328 default y if SPARC32
282 help 329 help
283 This lets you select the page size o !! 330 Enable power management and CPU standby features on supported
284 performance, a page size of 16KB is !! 331 SPARC platforms.
285 compatibility with 32bit application <<
286 selected (the vast majority of 32bit <<
287 with a larger page size). <<
288 <<
289 4KB For best 32bit co <<
290 16KB For best performa <<
291 64KB For best performa <<
292 <<
293 If you don't know what to do, choose <<
294 <<
295 config PARISC_PAGE_SIZE_16KB <<
296 bool "16KB" <<
297 select HAVE_PAGE_SIZE_16KB <<
298 depends on PA8X00 && BROKEN && !KFENCE <<
299 <<
300 config PARISC_PAGE_SIZE_64KB <<
301 bool "64KB" <<
302 select HAVE_PAGE_SIZE_64KB <<
303 depends on PA8X00 && BROKEN && !KFENCE <<
304 332
305 endchoice !! 333 config SPARC_LED
>> 334 tristate "Sun4m LED driver"
>> 335 depends on SPARC32
>> 336 help
>> 337 This driver toggles the front-panel LED on sun4m systems
>> 338 in a user-specifiable manner. Its state can be probed
>> 339 by reading /proc/led and its blinking mode can be changed
>> 340 via writes to /proc/led
306 341
307 config SMP !! 342 config SERIAL_CONSOLE
308 bool "Symmetric multi-processing suppo !! 343 bool
>> 344 depends on SPARC32
>> 345 default y
309 help 346 help
310 This enables support for systems wit !! 347 If you say Y here, it will be possible to use a serial port as the
311 a system with only one CPU, say N. I !! 348 system console (the system console is the device which receives all
312 than one CPU, say Y. !! 349 kernel messages and warnings and which allows logins in single user
>> 350 mode). This could be useful if some terminal or printer is connected
>> 351 to that serial port.
>> 352
>> 353 Even if you say Y here, the currently visible virtual console
>> 354 (/dev/tty0) will still be used as the system console by default, but
>> 355 you can alter that using a kernel command line option such as
>> 356 "console=ttyS1". (Try "man bootparam" or see the documentation of
>> 357 your boot loader (silo) about how to pass options to the kernel at
>> 358 boot time.)
>> 359
>> 360 If you don't have a graphics card installed and you say Y here, the
>> 361 kernel will automatically use the first serial line, /dev/ttyS0, as
>> 362 system console.
>> 363
>> 364 If unsure, say N.
>> 365
>> 366 config SPARC_LEON
>> 367 bool "Sparc Leon processor family"
>> 368 depends on SPARC32
>> 369 select USB_EHCI_BIG_ENDIAN_MMIO
>> 370 select USB_EHCI_BIG_ENDIAN_DESC
>> 371 select USB_UHCI_BIG_ENDIAN_MMIO
>> 372 select USB_UHCI_BIG_ENDIAN_DESC
>> 373 help
>> 374 If you say Y here if you are running on a SPARC-LEON processor.
>> 375 The LEON processor is a synthesizable VHDL model of the
>> 376 SPARC-v8 standard. LEON is part of the GRLIB collection of
>> 377 IP cores that are distributed under GPL. GRLIB can be downloaded
>> 378 from www.gaisler.com. You can download a sparc-linux cross-compilation
>> 379 toolchain at www.gaisler.com.
>> 380
>> 381 if SPARC_LEON
>> 382 menu "U-Boot options"
>> 383
>> 384 config UBOOT_LOAD_ADDR
>> 385 hex "uImage Load Address"
>> 386 default 0x40004000
>> 387 help
>> 388 U-Boot kernel load address, the address in physical address space
>> 389 where u-boot will place the Linux kernel before booting it.
>> 390 This address is normally the base address of main memory + 0x4000.
>> 391
>> 392 config UBOOT_FLASH_ADDR
>> 393 hex "uImage.o Load Address"
>> 394 default 0x00080000
>> 395 help
>> 396 Optional setting only affecting the uImage.o ELF-image used to
>> 397 download the uImage file to the target using a ELF-loader other than
>> 398 U-Boot. It may for example be used to download an uImage to FLASH with
>> 399 the GRMON utility before even starting u-boot.
>> 400
>> 401 config UBOOT_ENTRY_ADDR
>> 402 hex "uImage Entry Address"
>> 403 default 0xf0004000
>> 404 help
>> 405 Do not change this unless you know what you're doing. This is
>> 406 hardcoded by the SPARC32 and LEON port.
313 407
314 If you say N here, the kernel will r !! 408 This is the virtual address u-boot jumps to when booting the Linux
315 machines, but will use only one CPU !! 409 Kernel.
316 On a uniprocessor machine, the kerne <<
317 410
318 See also <file:Documentation/admin-g !! 411 endmenu
319 available at <https://www.tldp.org/d !! 412 endif
320 413
321 If you don't know what to do here, s !! 414 endmenu
322 415
323 config SCHED_MC !! 416 menu "Bus options (PCI etc.)"
324 bool "Multi-core scheduler support" !! 417 config SBUS
325 depends on GENERIC_ARCH_TOPOLOGY && PA !! 418 bool
326 help !! 419 default y
327 Multi-core scheduler support improve <<
328 making when dealing with multi-core <<
329 increased overhead in some places. I <<
330 420
331 config IRQSTACKS !! 421 config SBUSCHAR
332 bool "Use separate kernel stacks when !! 422 bool
333 default y 423 default y
>> 424
>> 425 config SUN_LDOMS
>> 426 bool "Sun Logical Domains support"
>> 427 depends on SPARC64
334 help 428 help
335 If you say Y here the kernel will us !! 429 Say Y here is you want to support virtual devices via
336 for handling hard and soft interrupt !! 430 Logical Domains.
337 overflowing the process kernel stack <<
338 431
339 config HOTPLUG_CPU !! 432 config PCIC_PCI
340 bool 433 bool
341 default y if SMP !! 434 depends on PCI && SPARC32 && !SPARC_LEON
342 !! 435 default y
343 config ARCH_SELECT_MEMORY_MODEL <<
344 def_bool y <<
345 depends on 64BIT <<
346 436
347 config ARCH_SPARSEMEM_ENABLE !! 437 config LEON_PCI
348 def_bool y !! 438 bool
349 depends on 64BIT !! 439 depends on PCI && SPARC_LEON
>> 440 default y
350 441
351 config ARCH_FLATMEM_ENABLE !! 442 config SPARC_GRPCI1
352 def_bool y !! 443 bool "GRPCI Host Bridge Support"
>> 444 depends on LEON_PCI
>> 445 default y
>> 446 help
>> 447 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI
>> 448 PCI host controller is typically found in GRLIB SPARC32/LEON
>> 449 systems. The driver has one property (all_pci_errors) controlled
>> 450 from the bootloader that makes the GRPCI to generate interrupts
>> 451 on detected PCI Parity and System errors.
>> 452
>> 453 config SPARC_GRPCI2
>> 454 bool "GRPCI2 Host Bridge Support"
>> 455 depends on LEON_PCI
>> 456 default y
>> 457 help
>> 458 Say Y here to include the GRPCI2 Host Bridge Driver.
353 459
354 config ARCH_SPARSEMEM_DEFAULT !! 460 config SUN_OPENPROMFS
355 def_bool y !! 461 tristate "Openprom tree appears in /proc/openprom"
356 depends on ARCH_SPARSEMEM_ENABLE !! 462 help
>> 463 If you say Y, the OpenPROM device tree will be available as a
>> 464 virtual file system, which you can mount to /proc/openprom by "mount
>> 465 -t openpromfs none /proc/openprom".
357 466
358 source "kernel/Kconfig.hz" !! 467 To compile the /proc/openprom support as a module, choose M here: the
>> 468 module will be called openpromfs.
359 469
360 config COMPAT !! 470 Only choose N if you know in advance that you will not need to modify
361 def_bool y !! 471 OpenPROM settings on the running system.
362 depends on 64BIT <<
363 472
364 config AUDIT_ARCH !! 473 # Makefile helpers
365 def_bool y !! 474 config SPARC64_PCI
>> 475 bool
>> 476 default y
>> 477 depends on SPARC64 && PCI
366 478
367 config NR_CPUS !! 479 config SPARC64_PCI_MSI
368 int "Maximum number of CPUs (2-32)" !! 480 bool
369 range 2 32 !! 481 default y
370 depends on SMP !! 482 depends on SPARC64_PCI && PCI_MSI
371 default "8" if 64BIT <<
372 default "16" <<
373 483
374 endmenu 484 endmenu
375 485
376 config ARCH_SUPPORTS_KEXEC !! 486 config COMPAT
377 def_bool y !! 487 bool
378 !! 488 depends on SPARC64
379 config ARCH_SUPPORTS_KEXEC_FILE !! 489 default y
380 def_bool y !! 490 select HAVE_UID16
381 !! 491 select ARCH_WANT_OLD_COMPAT_IPC
382 config ARCH_SELECTS_KEXEC_FILE !! 492 select COMPAT_OLD_SIGACTION
383 def_bool y <<
384 depends on KEXEC_FILE <<
385 select KEXEC_ELF <<
386 493
387 source "drivers/parisc/Kconfig" !! 494 source "drivers/sbus/char/Kconfig"
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