1 # SPDX-License-Identifier: GPL-2.0-only << 2 config 64BIT 1 config 64BIT 3 bool "64-bit kernel" if "$(ARCH)" = "s !! 2 bool "64-bit kernel" if ARCH = "sparc" 4 default "$(ARCH)" = "sparc64" !! 3 default ARCH = "sparc64" 5 help 4 help 6 SPARC is a family of RISC microproce 5 SPARC is a family of RISC microprocessors designed and marketed by 7 Sun Microsystems, incorporated. The 6 Sun Microsystems, incorporated. They are very widely found in Sun 8 workstations and clones. 7 workstations and clones. 9 8 10 Say yes to build a 64-bit kernel - f 9 Say yes to build a 64-bit kernel - formerly known as sparc64 11 Say no to build a 32-bit kernel - fo 10 Say no to build a 32-bit kernel - formerly known as sparc 12 11 13 config SPARC 12 config SPARC 14 bool 13 bool 15 default y 14 default y 16 select ARCH_HAS_CPU_CACHE_ALIASING << 17 select ARCH_HAS_DMA_OPS << 18 select ARCH_MIGHT_HAVE_PC_PARPORT if S 15 select ARCH_MIGHT_HAVE_PC_PARPORT if SPARC64 && PCI 19 select ARCH_MIGHT_HAVE_PC_SERIO 16 select ARCH_MIGHT_HAVE_PC_SERIO 20 select OF 17 select OF 21 select OF_PROMTREE 18 select OF_PROMTREE 22 select HAVE_ASM_MODVERSIONS !! 19 select HAVE_IDE >> 20 select HAVE_OPROFILE 23 select HAVE_ARCH_KGDB if !SMP || SPARC 21 select HAVE_ARCH_KGDB if !SMP || SPARC64 24 select HAVE_ARCH_TRACEHOOK 22 select HAVE_ARCH_TRACEHOOK 25 select HAVE_ARCH_SECCOMP if SPARC64 << 26 select HAVE_EXIT_THREAD 23 select HAVE_EXIT_THREAD 27 select HAVE_PCI << 28 select SYSCTL_EXCEPTION_TRACE 24 select SYSCTL_EXCEPTION_TRACE 29 select RTC_CLASS 25 select RTC_CLASS 30 select RTC_DRV_M48T59 26 select RTC_DRV_M48T59 31 select RTC_SYSTOHC 27 select RTC_SYSTOHC >> 28 select HAVE_DMA_API_DEBUG 32 select HAVE_ARCH_JUMP_LABEL if SPARC64 29 select HAVE_ARCH_JUMP_LABEL if SPARC64 33 select GENERIC_IRQ_SHOW 30 select GENERIC_IRQ_SHOW 34 select ARCH_WANT_IPC_PARSE_VERSION 31 select ARCH_WANT_IPC_PARSE_VERSION 35 select GENERIC_PCI_IOMAP 32 select GENERIC_PCI_IOMAP 36 select HAS_IOPORT !! 33 select HAVE_NMI_WATCHDOG if SPARC64 37 select HAVE_HARDLOCKUP_DETECTOR_SPARC6 << 38 select HAVE_CBPF_JIT if SPARC32 34 select HAVE_CBPF_JIT if SPARC32 39 select HAVE_EBPF_JIT if SPARC64 35 select HAVE_EBPF_JIT if SPARC64 40 select HAVE_DEBUG_BUGVERBOSE 36 select HAVE_DEBUG_BUGVERBOSE 41 select GENERIC_SMP_IDLE_THREAD 37 select GENERIC_SMP_IDLE_THREAD >> 38 select GENERIC_CLOCKEVENTS >> 39 select GENERIC_STRNCPY_FROM_USER >> 40 select GENERIC_STRNLEN_USER 42 select MODULES_USE_ELF_RELA 41 select MODULES_USE_ELF_RELA 43 select PCI_SYSCALL if PCI << 44 select PCI_MSI_ARCH_FALLBACKS if PCI_M << 45 select ODD_RT_SIGACTION 42 select ODD_RT_SIGACTION 46 select OLD_SIGSUSPEND 43 select OLD_SIGSUSPEND >> 44 select ARCH_HAS_SG_CHAIN 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 ARCH_WANT_RELAX_ORDER 50 select NEED_SG_DMA_LENGTH << 51 select TRACE_IRQFLAGS_SUPPORT << 52 48 53 config SPARC32 49 config SPARC32 54 def_bool !64BIT 50 def_bool !64BIT 55 select ARCH_32BIT_OFF_T << 56 select ARCH_HAS_CPU_FINALIZE_INIT if ! << 57 select ARCH_HAS_SYNC_DMA_FOR_CPU << 58 select CLZ_TAB << 59 select DMA_DIRECT_REMAP << 60 select GENERIC_ATOMIC64 51 select GENERIC_ATOMIC64 61 select GENERIC_LIB_CMPDI2 !! 52 select CLZ_TAB 62 select GENERIC_LIB_UCMPDI2 << 63 select HAVE_UID16 53 select HAVE_UID16 64 select HAVE_PAGE_SIZE_4KB << 65 select LOCK_MM_AND_FIND_VMA << 66 select OLD_SIGACTION 54 select OLD_SIGACTION 67 select ZONE_DMA << 68 55 69 config SPARC64 56 config SPARC64 70 def_bool 64BIT 57 def_bool 64BIT 71 select ALTERNATE_USER_ADDRESS_SPACE << 72 select HAVE_FUNCTION_TRACER 58 select HAVE_FUNCTION_TRACER 73 select HAVE_FUNCTION_GRAPH_TRACER 59 select HAVE_FUNCTION_GRAPH_TRACER 74 select HAVE_KRETPROBES 60 select HAVE_KRETPROBES 75 select HAVE_KPROBES 61 select HAVE_KPROBES 76 select MMU_GATHER_RCU_TABLE_FREE if SM !! 62 select HAVE_RCU_TABLE_FREE if SMP 77 select MMU_GATHER_MERGE_VMAS !! 63 select HAVE_MEMBLOCK 78 select MMU_GATHER_NO_FLUSH_CACHE !! 64 select HAVE_MEMBLOCK_NODE_MAP 79 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 65 select HAVE_ARCH_TRANSPARENT_HUGEPAGE 80 select HAVE_DYNAMIC_FTRACE 66 select HAVE_DYNAMIC_FTRACE 81 select HAVE_FTRACE_MCOUNT_RECORD 67 select HAVE_FTRACE_MCOUNT_RECORD 82 select HAVE_PAGE_SIZE_8KB << 83 select HAVE_SYSCALL_TRACEPOINTS 68 select HAVE_SYSCALL_TRACEPOINTS 84 select HAVE_CONTEXT_TRACKING_USER !! 69 select HAVE_CONTEXT_TRACKING 85 select HAVE_TIF_NOHZ << 86 select HAVE_DEBUG_KMEMLEAK 70 select HAVE_DEBUG_KMEMLEAK 87 select IOMMU_HELPER << 88 select SPARSE_IRQ 71 select SPARSE_IRQ 89 select RTC_DRV_CMOS 72 select RTC_DRV_CMOS 90 select RTC_DRV_BQ4802 73 select RTC_DRV_BQ4802 91 select RTC_DRV_SUN4V 74 select RTC_DRV_SUN4V 92 select RTC_DRV_STARFIRE 75 select RTC_DRV_STARFIRE 93 select HAVE_PERF_EVENTS 76 select HAVE_PERF_EVENTS 94 select PERF_USE_VMALLOC 77 select PERF_USE_VMALLOC >> 78 select IRQ_PREFLOW_FASTEOI 95 select ARCH_HAVE_NMI_SAFE_CMPXCHG 79 select ARCH_HAVE_NMI_SAFE_CMPXCHG 96 select HAVE_C_RECORDMCOUNT 80 select HAVE_C_RECORDMCOUNT >> 81 select NO_BOOTMEM 97 select HAVE_ARCH_AUDITSYSCALL 82 select HAVE_ARCH_AUDITSYSCALL 98 select ARCH_SUPPORTS_ATOMIC_RMW 83 select ARCH_SUPPORTS_ATOMIC_RMW 99 select ARCH_SUPPORTS_DEBUG_PAGEALLOC << 100 select HAVE_NMI 84 select HAVE_NMI 101 select HAVE_REGS_AND_STACK_ACCESS_API 85 select HAVE_REGS_AND_STACK_ACCESS_API 102 select ARCH_USE_QUEUED_RWLOCKS !! 86 103 select ARCH_USE_QUEUED_SPINLOCKS !! 87 config ARCH_DEFCONFIG 104 select GENERIC_TIME_VSYSCALL !! 88 string 105 select ARCH_CLOCKSOURCE_DATA !! 89 default "arch/sparc/configs/sparc32_defconfig" if SPARC32 106 select ARCH_HAS_PTE_SPECIAL !! 90 default "arch/sparc/configs/sparc64_defconfig" if SPARC64 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 << 113 91 114 config ARCH_PROC_KCORE_TEXT 92 config ARCH_PROC_KCORE_TEXT 115 def_bool y 93 def_bool y 116 94 117 config CPU_BIG_ENDIAN !! 95 config ARCH_ATU 118 def_bool y !! 96 bool >> 97 default y if SPARC64 >> 98 >> 99 config ARCH_DMA_ADDR_T_64BIT >> 100 bool >> 101 default y if ARCH_ATU >> 102 >> 103 config IOMMU_HELPER >> 104 bool >> 105 default y if SPARC64 119 106 120 config STACKTRACE_SUPPORT 107 config STACKTRACE_SUPPORT 121 bool 108 bool 122 default y if SPARC64 109 default y if SPARC64 123 110 124 config LOCKDEP_SUPPORT 111 config LOCKDEP_SUPPORT 125 bool 112 bool 126 default y if SPARC64 113 default y if SPARC64 127 114 128 config ARCH_HIBERNATION_POSSIBLE 115 config ARCH_HIBERNATION_POSSIBLE 129 def_bool y if SPARC64 116 def_bool y if SPARC64 130 117 131 config AUDIT_ARCH 118 config AUDIT_ARCH 132 bool 119 bool 133 default y 120 default y 134 121 >> 122 config HAVE_SETUP_PER_CPU_AREA >> 123 def_bool y if SPARC64 >> 124 >> 125 config NEED_PER_CPU_EMBED_FIRST_CHUNK >> 126 def_bool y if SPARC64 >> 127 >> 128 config NEED_PER_CPU_PAGE_FIRST_CHUNK >> 129 def_bool y if SPARC64 >> 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 >> 139 config ZONE_DMA >> 140 bool >> 141 default y if SPARC32 >> 142 >> 143 config NEED_DMA_MAP_STATE >> 144 def_bool y >> 145 >> 146 config NEED_SG_DMA_LENGTH >> 147 def_bool y >> 148 >> 149 config GENERIC_ISA_DMA >> 150 bool >> 151 default y if SPARC32 >> 152 >> 153 config ARCH_SUPPORTS_DEBUG_PAGEALLOC >> 154 def_bool y if SPARC64 143 155 144 config PGTABLE_LEVELS 156 config PGTABLE_LEVELS 145 default 4 if 64BIT 157 default 4 if 64BIT 146 default 3 158 default 3 147 159 148 config ARCH_SUPPORTS_UPROBES 160 config ARCH_SUPPORTS_UPROBES 149 def_bool y if SPARC64 161 def_bool y if SPARC64 150 162 >> 163 source "init/Kconfig" >> 164 >> 165 source "kernel/Kconfig.freezer" >> 166 151 menu "Processor type and features" 167 menu "Processor type and features" 152 168 153 config SMP 169 config SMP 154 bool "Symmetric multi-processing suppo 170 bool "Symmetric multi-processing support" 155 help !! 171 ---help--- 156 This enables support for systems wit 172 This enables support for systems with more than one CPU. If you have 157 a system with only one CPU, say N. I 173 a system with only one CPU, say N. If you have a system with more 158 than one CPU, say Y. 174 than one CPU, say Y. 159 175 160 If you say N here, the kernel will r 176 If you say N here, the kernel will run on uni- and multiprocessor 161 machines, but will use only one CPU 177 machines, but will use only one CPU of a multiprocessor machine. If 162 you say Y here, the kernel will run 178 you say Y here, the kernel will run on many, but not all, 163 uniprocessor machines. On a uniproce 179 uniprocessor machines. On a uniprocessor machine, the kernel 164 will run faster if you say N here. 180 will run faster if you say N here. 165 181 166 People using multiprocessor machines 182 People using multiprocessor machines who say Y here should also say 167 Y to "Enhanced Real Time Clock Suppo 183 Y to "Enhanced Real Time Clock Support", below. The "Advanced Power 168 Management" code will be disabled if 184 Management" code will be disabled if you say Y here. 169 185 170 See also <file:Documentation/admin-g !! 186 See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO 171 available at <https://www.tldp.org/d !! 187 available at <http://www.tldp.org/docs.html#howto>. 172 188 173 If you don't know what to do here, s 189 If you don't know what to do here, say N. 174 190 175 config NR_CPUS 191 config NR_CPUS 176 int "Maximum number of CPUs" 192 int "Maximum number of CPUs" 177 depends on SMP 193 depends on SMP 178 range 2 32 if SPARC32 194 range 2 32 if SPARC32 179 range 2 4096 if SPARC64 195 range 2 4096 if SPARC64 180 default 32 if SPARC32 196 default 32 if SPARC32 181 default 4096 if SPARC64 197 default 4096 if SPARC64 182 198 183 source "kernel/Kconfig.hz" !! 199 source kernel/Kconfig.hz >> 200 >> 201 config RWSEM_GENERIC_SPINLOCK >> 202 bool >> 203 default y if SPARC32 >> 204 >> 205 config RWSEM_XCHGADD_ALGORITHM >> 206 bool >> 207 default y if SPARC64 184 208 185 config GENERIC_HWEIGHT 209 config GENERIC_HWEIGHT 186 bool 210 bool 187 default y 211 default y 188 212 189 config GENERIC_CALIBRATE_DELAY 213 config GENERIC_CALIBRATE_DELAY 190 bool 214 bool 191 default y 215 default y 192 216 193 config ARCH_MAY_HAVE_PC_FDC 217 config ARCH_MAY_HAVE_PC_FDC 194 bool 218 bool 195 default y 219 default y 196 220 197 config EMULATED_CMPXCHG 221 config EMULATED_CMPXCHG 198 bool 222 bool 199 default y if SPARC32 223 default y if SPARC32 200 help 224 help 201 Sparc32 does not have a CAS instruct 225 Sparc32 does not have a CAS instruction like sparc64. cmpxchg() 202 is emulated, and therefore it is not 226 is emulated, and therefore it is not completely atomic. 203 227 204 # Makefile helpers 228 # Makefile helpers 205 config SPARC32_SMP 229 config SPARC32_SMP 206 bool 230 bool 207 default y 231 default y 208 depends on SPARC32 && SMP 232 depends on SPARC32 && SMP 209 233 210 config SPARC64_SMP 234 config SPARC64_SMP 211 bool 235 bool 212 default y 236 default y 213 depends on SPARC64 && SMP 237 depends on SPARC64 && SMP 214 238 215 config EARLYFB 239 config EARLYFB 216 bool "Support for early boot text cons 240 bool "Support for early boot text console" 217 default y 241 default y 218 depends on SPARC64 242 depends on SPARC64 219 select FONT_SUN8x16 << 220 select FONT_SUPPORT << 221 help 243 help 222 Say Y here to enable a faster early 244 Say Y here to enable a faster early framebuffer boot console. 223 245 >> 246 config SECCOMP >> 247 bool "Enable seccomp to safely compute untrusted bytecode" >> 248 depends on SPARC64 && PROC_FS >> 249 default y >> 250 help >> 251 This kernel feature is useful for number crunching applications >> 252 that may need to compute untrusted bytecode during their >> 253 execution. By using pipes or other transports made available to >> 254 the process as file descriptors supporting the read/write >> 255 syscalls, it's possible to isolate those applications in >> 256 their own address space using seccomp. Once seccomp is >> 257 enabled via /proc/<pid>/seccomp, it cannot be disabled >> 258 and the task is only allowed to execute a few safe syscalls >> 259 defined by each seccomp mode. >> 260 >> 261 If unsure, say Y. Only embedded should say N here. >> 262 224 config HOTPLUG_CPU 263 config HOTPLUG_CPU 225 bool "Support for hot-pluggable CPUs" 264 bool "Support for hot-pluggable CPUs" 226 depends on SPARC64 && SMP 265 depends on SPARC64 && SMP 227 help 266 help 228 Say Y here to experiment with turnin 267 Say Y here to experiment with turning CPUs off and on. CPUs 229 can be controlled through /sys/devic 268 can be controlled through /sys/devices/system/cpu/cpu#. 230 Say N if you want to disable CPU hot 269 Say N if you want to disable CPU hotplug. 231 270 232 if SPARC64 271 if SPARC64 233 source "drivers/cpufreq/Kconfig" 272 source "drivers/cpufreq/Kconfig" 234 endif 273 endif 235 274 236 config US3_MC 275 config US3_MC 237 tristate "UltraSPARC-III Memory Contro 276 tristate "UltraSPARC-III Memory Controller driver" 238 depends on SPARC64 277 depends on SPARC64 239 default y 278 default y 240 help 279 help 241 This adds a driver for the UltraSPAR 280 This adds a driver for the UltraSPARC-III memory controller. 242 Loading this driver allows exact mne 281 Loading this driver allows exact mnemonic strings to be 243 printed in the event of a memory err 282 printed in the event of a memory error, so that the faulty DIMM 244 on the motherboard can be matched to 283 on the motherboard can be matched to the error. 245 284 246 If in doubt, say Y, as this informat 285 If in doubt, say Y, as this information can be very useful. 247 286 248 # Global things across all Sun machines. 287 # Global things across all Sun machines. 249 config GENERIC_LOCKBREAK 288 config GENERIC_LOCKBREAK 250 bool 289 bool 251 default y 290 default y 252 depends on SPARC64 && SMP && PREEMPTIO !! 291 depends on SPARC64 && SMP && PREEMPT 253 292 254 config NUMA 293 config NUMA 255 bool "NUMA support" 294 bool "NUMA support" 256 depends on SPARC64 && SMP 295 depends on SPARC64 && SMP 257 296 258 config NODES_SHIFT 297 config NODES_SHIFT 259 int "Maximum NUMA Nodes (as a power of 298 int "Maximum NUMA Nodes (as a power of 2)" 260 range 4 5 if SPARC64 299 range 4 5 if SPARC64 261 default "5" 300 default "5" 262 depends on NUMA !! 301 depends on NEED_MULTIPLE_NODES 263 help 302 help 264 Specify the maximum number of NUMA N 303 Specify the maximum number of NUMA Nodes available on the target 265 system. Increases memory reserved t 304 system. Increases memory reserved to accommodate various tables. 266 305 >> 306 # Some NUMA nodes have memory ranges that span >> 307 # other nodes. Even though a pfn is valid and >> 308 # between a node's start and end pfns, it may not >> 309 # reside on that node. See memmap_init_zone() >> 310 # for details. >> 311 config NODES_SPAN_OTHER_NODES >> 312 def_bool y >> 313 depends on NEED_MULTIPLE_NODES >> 314 >> 315 config ARCH_SELECT_MEMORY_MODEL >> 316 def_bool y if SPARC64 >> 317 267 config ARCH_SPARSEMEM_ENABLE 318 config ARCH_SPARSEMEM_ENABLE 268 def_bool y if SPARC64 319 def_bool y if SPARC64 269 select SPARSEMEM_VMEMMAP_ENABLE 320 select SPARSEMEM_VMEMMAP_ENABLE 270 321 271 config ARCH_SPARSEMEM_DEFAULT 322 config ARCH_SPARSEMEM_DEFAULT 272 def_bool y if SPARC64 323 def_bool y if SPARC64 273 324 274 config ARCH_FORCE_MAX_ORDER !! 325 config FORCE_MAX_ZONEORDER 275 int "Order of maximal physically conti !! 326 int "Maximum zone order" 276 default "12" !! 327 default "13" 277 help !! 328 help 278 The kernel page allocator limits the !! 329 The kernel memory allocator divides physically contiguous memory 279 contiguous allocations. The limit is !! 330 blocks into "zones", where each zone is a power of two number of 280 defines the maximal power of two of !! 331 pages. This option selects the largest power of two that the kernel 281 allocated as a single contiguous blo !! 332 keeps in the memory allocator. If you need to allocate very large 282 overriding the default setting when !! 333 blocks of physically contiguous memory, then you may need to 283 large blocks of physically contiguou !! 334 increase this value. >> 335 >> 336 This config option is actually maximum order plus one. For example, >> 337 a value of 13 means that the largest free memory block is 2^12 pages. 284 338 285 Don't change if unsure. !! 339 source "mm/Kconfig" 286 340 287 if SPARC64 || COMPILE_TEST !! 341 if SPARC64 288 source "kernel/power/Kconfig" 342 source "kernel/power/Kconfig" 289 endif 343 endif 290 344 291 config SCHED_SMT 345 config SCHED_SMT 292 bool "SMT (Hyperthreading) scheduler s 346 bool "SMT (Hyperthreading) scheduler support" 293 depends on SPARC64 && SMP 347 depends on SPARC64 && SMP 294 default y 348 default y 295 help 349 help 296 SMT scheduler support improves the C 350 SMT scheduler support improves the CPU scheduler's decision making 297 when dealing with SPARC cpus at a co 351 when dealing with SPARC cpus at a cost of slightly increased overhead 298 in some places. If unsure say N here 352 in some places. If unsure say N here. 299 353 300 config SCHED_MC 354 config SCHED_MC 301 bool "Multi-core scheduler support" 355 bool "Multi-core scheduler support" 302 depends on SPARC64 && SMP 356 depends on SPARC64 && SMP 303 default y 357 default y 304 help 358 help 305 Multi-core scheduler support improve 359 Multi-core scheduler support improves the CPU scheduler's decision 306 making when dealing with multi-core 360 making when dealing with multi-core CPU chips at a cost of slightly 307 increased overhead in some places. I 361 increased overhead in some places. If unsure say N here. 308 362 >> 363 source "kernel/Kconfig.preempt" >> 364 309 config CMDLINE_BOOL 365 config CMDLINE_BOOL 310 bool "Default bootloader kernel argume 366 bool "Default bootloader kernel arguments" 311 depends on SPARC64 367 depends on SPARC64 312 368 313 config CMDLINE 369 config CMDLINE 314 string "Initial kernel command string" 370 string "Initial kernel command string" 315 depends on CMDLINE_BOOL 371 depends on CMDLINE_BOOL 316 default "console=ttyS0,9600 root=/dev/ 372 default "console=ttyS0,9600 root=/dev/sda1" 317 help 373 help 318 Say Y here if you want to be able to 374 Say Y here if you want to be able to pass default arguments to 319 the kernel. This will be overridden 375 the kernel. This will be overridden by the bootloader, if you 320 use one (such as SILO). This is most 376 use one (such as SILO). This is most useful if you want to boot 321 a kernel from TFTP, and want default 377 a kernel from TFTP, and want default options to be available 322 with having them passed on the comma 378 with having them passed on the command line. 323 379 324 NOTE: This option WILL override the 380 NOTE: This option WILL override the PROM bootargs setting! 325 381 326 config SUN_PM 382 config SUN_PM 327 bool 383 bool 328 default y if SPARC32 384 default y if SPARC32 329 help 385 help 330 Enable power management and CPU stan 386 Enable power management and CPU standby features on supported 331 SPARC platforms. 387 SPARC platforms. 332 388 333 config SPARC_LED 389 config SPARC_LED 334 tristate "Sun4m LED driver" 390 tristate "Sun4m LED driver" 335 depends on SPARC32 391 depends on SPARC32 336 help 392 help 337 This driver toggles the front-panel 393 This driver toggles the front-panel LED on sun4m systems 338 in a user-specifiable manner. Its s 394 in a user-specifiable manner. Its state can be probed 339 by reading /proc/led and its blinkin 395 by reading /proc/led and its blinking mode can be changed 340 via writes to /proc/led 396 via writes to /proc/led 341 397 342 config SERIAL_CONSOLE 398 config SERIAL_CONSOLE 343 bool 399 bool 344 depends on SPARC32 400 depends on SPARC32 345 default y 401 default y 346 help !! 402 ---help--- 347 If you say Y here, it will be possib 403 If you say Y here, it will be possible to use a serial port as the 348 system console (the system console i 404 system console (the system console is the device which receives all 349 kernel messages and warnings and whi 405 kernel messages and warnings and which allows logins in single user 350 mode). This could be useful if some 406 mode). This could be useful if some terminal or printer is connected 351 to that serial port. 407 to that serial port. 352 408 353 Even if you say Y here, the currentl 409 Even if you say Y here, the currently visible virtual console 354 (/dev/tty0) will still be used as th 410 (/dev/tty0) will still be used as the system console by default, but 355 you can alter that using a kernel co 411 you can alter that using a kernel command line option such as 356 "console=ttyS1". (Try "man bootparam 412 "console=ttyS1". (Try "man bootparam" or see the documentation of 357 your boot loader (silo) about how to 413 your boot loader (silo) about how to pass options to the kernel at 358 boot time.) 414 boot time.) 359 415 360 If you don't have a graphics card in 416 If you don't have a graphics card installed and you say Y here, the 361 kernel will automatically use the fi 417 kernel will automatically use the first serial line, /dev/ttyS0, as 362 system console. 418 system console. 363 419 364 If unsure, say N. 420 If unsure, say N. 365 421 366 config SPARC_LEON 422 config SPARC_LEON 367 bool "Sparc Leon processor family" 423 bool "Sparc Leon processor family" 368 depends on SPARC32 424 depends on SPARC32 369 select USB_EHCI_BIG_ENDIAN_MMIO 425 select USB_EHCI_BIG_ENDIAN_MMIO 370 select USB_EHCI_BIG_ENDIAN_DESC 426 select USB_EHCI_BIG_ENDIAN_DESC 371 select USB_UHCI_BIG_ENDIAN_MMIO !! 427 ---help--- 372 select USB_UHCI_BIG_ENDIAN_DESC << 373 help << 374 If you say Y here if you are running 428 If you say Y here if you are running on a SPARC-LEON processor. 375 The LEON processor is a synthesizabl 429 The LEON processor is a synthesizable VHDL model of the 376 SPARC-v8 standard. LEON is part of 430 SPARC-v8 standard. LEON is part of the GRLIB collection of 377 IP cores that are distributed under 431 IP cores that are distributed under GPL. GRLIB can be downloaded 378 from www.gaisler.com. You can downlo 432 from www.gaisler.com. You can download a sparc-linux cross-compilation 379 toolchain at www.gaisler.com. 433 toolchain at www.gaisler.com. 380 434 381 if SPARC_LEON 435 if SPARC_LEON 382 menu "U-Boot options" 436 menu "U-Boot options" 383 437 384 config UBOOT_LOAD_ADDR 438 config UBOOT_LOAD_ADDR 385 hex "uImage Load Address" 439 hex "uImage Load Address" 386 default 0x40004000 440 default 0x40004000 387 help !! 441 ---help--- 388 U-Boot kernel load address, the addre 442 U-Boot kernel load address, the address in physical address space 389 where u-boot will place the Linux ker 443 where u-boot will place the Linux kernel before booting it. 390 This address is normally the base add 444 This address is normally the base address of main memory + 0x4000. 391 445 392 config UBOOT_FLASH_ADDR 446 config UBOOT_FLASH_ADDR 393 hex "uImage.o Load Address" 447 hex "uImage.o Load Address" 394 default 0x00080000 448 default 0x00080000 395 help !! 449 ---help--- 396 Optional setting only affecting the u 450 Optional setting only affecting the uImage.o ELF-image used to 397 download the uImage file to the targe 451 download the uImage file to the target using a ELF-loader other than 398 U-Boot. It may for example be used to 452 U-Boot. It may for example be used to download an uImage to FLASH with 399 the GRMON utility before even startin 453 the GRMON utility before even starting u-boot. 400 454 401 config UBOOT_ENTRY_ADDR 455 config UBOOT_ENTRY_ADDR 402 hex "uImage Entry Address" 456 hex "uImage Entry Address" 403 default 0xf0004000 457 default 0xf0004000 404 help !! 458 ---help--- 405 Do not change this unless you know wh 459 Do not change this unless you know what you're doing. This is 406 hardcoded by the SPARC32 and LEON por 460 hardcoded by the SPARC32 and LEON port. 407 461 408 This is the virtual address u-boot ju 462 This is the virtual address u-boot jumps to when booting the Linux 409 Kernel. 463 Kernel. 410 464 411 endmenu 465 endmenu 412 endif 466 endif 413 467 414 endmenu 468 endmenu 415 469 416 menu "Bus options (PCI etc.)" 470 menu "Bus options (PCI etc.)" 417 config SBUS 471 config SBUS 418 bool 472 bool 419 default y 473 default y 420 474 421 config SBUSCHAR 475 config SBUSCHAR 422 bool 476 bool 423 default y 477 default y 424 478 425 config SUN_LDOMS 479 config SUN_LDOMS 426 bool "Sun Logical Domains support" 480 bool "Sun Logical Domains support" 427 depends on SPARC64 481 depends on SPARC64 428 help 482 help 429 Say Y here is you want to support vi 483 Say Y here is you want to support virtual devices via 430 Logical Domains. 484 Logical Domains. 431 485 >> 486 config PCI >> 487 bool "Support for PCI and PS/2 keyboard/mouse" >> 488 help >> 489 Find out whether your system includes a PCI bus. PCI is the name of >> 490 a bus system, i.e. the way the CPU talks to the other stuff inside >> 491 your box. If you say Y here, the kernel will include drivers and >> 492 infrastructure code to support PCI bus devices. >> 493 >> 494 CONFIG_PCI is needed for all JavaStation's (including MrCoffee), >> 495 CP-1200, JavaEngine-1, Corona, Red October, and Serengeti SGSC. >> 496 All of these platforms are extremely obscure, so say N if unsure. >> 497 >> 498 config PCI_DOMAINS >> 499 def_bool PCI if SPARC64 >> 500 >> 501 config PCI_SYSCALL >> 502 def_bool PCI >> 503 432 config PCIC_PCI 504 config PCIC_PCI 433 bool 505 bool 434 depends on PCI && SPARC32 && !SPARC_LE 506 depends on PCI && SPARC32 && !SPARC_LEON 435 default y 507 default y 436 508 437 config LEON_PCI 509 config LEON_PCI 438 bool 510 bool 439 depends on PCI && SPARC_LEON 511 depends on PCI && SPARC_LEON 440 default y 512 default y 441 513 442 config SPARC_GRPCI1 514 config SPARC_GRPCI1 443 bool "GRPCI Host Bridge Support" 515 bool "GRPCI Host Bridge Support" 444 depends on LEON_PCI 516 depends on LEON_PCI 445 default y 517 default y 446 help 518 help 447 Say Y here to include the GRPCI Host 519 Say Y here to include the GRPCI Host Bridge Driver. The GRPCI 448 PCI host controller is typically fou 520 PCI host controller is typically found in GRLIB SPARC32/LEON 449 systems. The driver has one property 521 systems. The driver has one property (all_pci_errors) controlled 450 from the bootloader that makes the G 522 from the bootloader that makes the GRPCI to generate interrupts 451 on detected PCI Parity and System er 523 on detected PCI Parity and System errors. 452 524 453 config SPARC_GRPCI2 525 config SPARC_GRPCI2 454 bool "GRPCI2 Host Bridge Support" 526 bool "GRPCI2 Host Bridge Support" 455 depends on LEON_PCI 527 depends on LEON_PCI 456 default y 528 default y 457 help 529 help 458 Say Y here to include the GRPCI2 Hos 530 Say Y here to include the GRPCI2 Host Bridge Driver. 459 531 >> 532 source "drivers/pci/Kconfig" >> 533 >> 534 source "drivers/pcmcia/Kconfig" >> 535 460 config SUN_OPENPROMFS 536 config SUN_OPENPROMFS 461 tristate "Openprom tree appears in /pr 537 tristate "Openprom tree appears in /proc/openprom" 462 help 538 help 463 If you say Y, the OpenPROM device tr 539 If you say Y, the OpenPROM device tree will be available as a 464 virtual file system, which you can m 540 virtual file system, which you can mount to /proc/openprom by "mount 465 -t openpromfs none /proc/openprom". 541 -t openpromfs none /proc/openprom". 466 542 467 To compile the /proc/openprom suppor 543 To compile the /proc/openprom support as a module, choose M here: the 468 module will be called openpromfs. 544 module will be called openpromfs. 469 545 470 Only choose N if you know in advance 546 Only choose N if you know in advance that you will not need to modify 471 OpenPROM settings on the running sys 547 OpenPROM settings on the running system. 472 548 473 # Makefile helpers 549 # Makefile helpers 474 config SPARC64_PCI 550 config SPARC64_PCI 475 bool 551 bool 476 default y 552 default y 477 depends on SPARC64 && PCI 553 depends on SPARC64 && PCI 478 554 479 config SPARC64_PCI_MSI 555 config SPARC64_PCI_MSI 480 bool 556 bool 481 default y 557 default y 482 depends on SPARC64_PCI && PCI_MSI 558 depends on SPARC64_PCI && PCI_MSI 483 559 484 endmenu 560 endmenu 485 561 >> 562 menu "Executable file formats" >> 563 >> 564 source "fs/Kconfig.binfmt" >> 565 486 config COMPAT 566 config COMPAT 487 bool 567 bool 488 depends on SPARC64 568 depends on SPARC64 489 default y 569 default y >> 570 select COMPAT_BINFMT_ELF 490 select HAVE_UID16 571 select HAVE_UID16 491 select ARCH_WANT_OLD_COMPAT_IPC 572 select ARCH_WANT_OLD_COMPAT_IPC 492 select COMPAT_OLD_SIGACTION 573 select COMPAT_OLD_SIGACTION 493 574 >> 575 config SYSVIPC_COMPAT >> 576 bool >> 577 depends on COMPAT && SYSVIPC >> 578 default y >> 579 >> 580 endmenu >> 581 >> 582 source "net/Kconfig" >> 583 >> 584 source "drivers/Kconfig" >> 585 494 source "drivers/sbus/char/Kconfig" 586 source "drivers/sbus/char/Kconfig" >> 587 >> 588 source "fs/Kconfig" >> 589 >> 590 source "arch/sparc/Kconfig.debug" >> 591 >> 592 source "security/Kconfig" >> 593 >> 594 source "crypto/Kconfig" >> 595 >> 596 source "lib/Kconfig"
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