1config MN10300 2 def_bool y 3 select HAVE_OPROFILE 4 select HAVE_GENERIC_HARDIRQS 5 select GENERIC_IRQ_SHOW 6 select HAVE_ARCH_TRACEHOOK 7 select HAVE_ARCH_KGDB 8 select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER 9 10config AM33_2 11 def_bool n 12 13config AM33_3 14 def_bool n 15 16config AM34_2 17 def_bool n 18 select MN10300_HAS_ATOMIC_OPS_UNIT 19 select MN10300_HAS_CACHE_SNOOP 20 21config ERRATUM_NEED_TO_RELOAD_MMUCTR 22 def_bool y if AM33_3 || AM34_2 23 24config MMU 25 def_bool y 26 27config HIGHMEM 28 def_bool n 29 30config NUMA 31 def_bool n 32 33config UID16 34 def_bool y 35 36config RWSEM_GENERIC_SPINLOCK 37 def_bool y 38 39config RWSEM_XCHGADD_ALGORITHM 40 bool 41 42config GENERIC_CALIBRATE_DELAY 43 def_bool y 44 45config GENERIC_CMOS_UPDATE 46 def_bool n 47 48config GENERIC_HWEIGHT 49 def_bool y 50 51config GENERIC_CLOCKEVENTS 52 def_bool y 53 54config GENERIC_BUG 55 def_bool y 56 57config QUICKLIST 58 def_bool y 59 60config ARCH_HAS_ILOG2_U32 61 def_bool y 62 63config HOTPLUG_CPU 64 def_bool n 65 66source "init/Kconfig" 67 68source "kernel/Kconfig.freezer" 69 70 71menu "Panasonic MN10300 system setup" 72 73choice 74 prompt "Unit type" 75 default MN10300_UNIT_ASB2303 76 help 77 This option specifies board for which the kernel will be 78 compiled. It affects the external peripherals catered for. 79 80config MN10300_UNIT_ASB2303 81 bool "ASB2303" 82 83config MN10300_UNIT_ASB2305 84 bool "ASB2305" 85 86config MN10300_UNIT_ASB2364 87 bool "ASB2364" 88 select SMSC911X_ARCH_HOOKS if SMSC911X 89 90endchoice 91 92choice 93 prompt "Processor support" 94 default MN10300_PROC_MN103E010 95 help 96 This option specifies the processor for which the kernel will be 97 compiled. It affects the on-chip peripherals catered for. 98 99config MN10300_PROC_MN103E010 100 bool "MN103E010" 101 depends on MN10300_UNIT_ASB2303 || MN10300_UNIT_ASB2305 102 select AM33_2 103 select MN10300_PROC_HAS_TTYSM0 104 select MN10300_PROC_HAS_TTYSM1 105 select MN10300_PROC_HAS_TTYSM2 106 107config MN10300_PROC_MN2WS0050 108 bool "MN2WS0050" 109 depends on MN10300_UNIT_ASB2364 110 select AM34_2 111 select MN10300_PROC_HAS_TTYSM0 112 select MN10300_PROC_HAS_TTYSM1 113 select MN10300_PROC_HAS_TTYSM2 114 115endchoice 116 117config MN10300_HAS_ATOMIC_OPS_UNIT 118 def_bool n 119 help 120 This should be enabled if the processor has an atomic ops unit 121 capable of doing LL/SC equivalent operations. 122 123config FPU 124 bool "FPU present" 125 default y 126 depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050 127 128config LAZY_SAVE_FPU 129 bool "Save FPU state lazily" 130 default y 131 depends on FPU && !SMP 132 help 133 Enable this to be lazy in the saving of the FPU state to the owning 134 task's thread struct. This is useful if most tasks on the system 135 don't use the FPU as only those tasks that use it will pass it 136 between them, and the state needn't be saved for a task that isn't 137 using it. 138 139 This can't be so easily used on SMP as the process that owns the FPU 140 state on a CPU may be currently running on another CPU, so for the 141 moment, it is disabled. 142 143source "arch/mn10300/mm/Kconfig.cache" 144 145config MN10300_TLB_USE_PIDR 146 def_bool y 147 148menu "Memory layout options" 149 150config KERNEL_RAM_BASE_ADDRESS 151 hex "Base address of kernel RAM" 152 default "0x90000000" 153 154config INTERRUPT_VECTOR_BASE 155 hex "Base address of vector table" 156 default "0x90000000" 157 help 158 The base address of the vector table will be programmed into 159 the TBR register. It must be on 16MiB address boundary. 160 161config KERNEL_TEXT_ADDRESS 162 hex "Base address of kernel" 163 default "0x90001000" 164 165config KERNEL_ZIMAGE_BASE_ADDRESS 166 hex "Base address of compressed vmlinux image" 167 default "0x50700000" 168 169config BOOT_STACK_OFFSET 170 hex 171 default "0xF00" if SMP 172 default "0xFF0" if !SMP 173 174config BOOT_STACK_SIZE 175 hex 176 depends on SMP 177 default "0x100" 178endmenu 179 180config SMP 181 bool "Symmetric multi-processing support" 182 default y 183 select USE_GENERIC_SMP_HELPERS 184 depends on MN10300_PROC_MN2WS0038 || MN10300_PROC_MN2WS0050 185 ---help--- 186 This enables support for systems with more than one CPU. If you have 187 a system with only one CPU, like most personal computers, say N. If 188 you have a system with more than one CPU, say Y. 189 190 If you say N here, the kernel will run on single and multiprocessor 191 machines, but will use only one CPU of a multiprocessor machine. If 192 you say Y here, the kernel will run on many, but not all, 193 singleprocessor machines. On a singleprocessor machine, the kernel 194 will run faster if you say N here. 195 196 See also <file:Documentation/x86/i386/IO-APIC.txt>, 197 <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at 198 <http://www.tldp.org/docs.html#howto>. 199 200 If you don't know what to do here, say N. 201 202config NR_CPUS 203 int 204 depends on SMP 205 default "2" 206 207source "kernel/Kconfig.preempt" 208 209config MN10300_CURRENT_IN_E2 210 bool "Hold current task address in E2 register" 211 depends on !SMP 212 default y 213 help 214 This option removes the E2/R2 register from the set available to gcc 215 for normal use and instead uses it to store the address of the 216 current process's task_struct whilst in the kernel. 217 218 This means the kernel doesn't need to calculate the address each time 219 "current" is used (take SP, AND with mask and dereference pointer 220 just to get the address), and instead can just use E2+offset 221 addressing each time. 222 223 This has no effect on userspace. 224 225config MN10300_USING_JTAG 226 bool "Using JTAG to debug kernel" 227 default y 228 help 229 This options indicates that JTAG will be used to debug the kernel. It 230 suppresses the use of certain hardware debugging features, such as 231 single-stepping, which are taken over completely by the JTAG unit. 232 233source "kernel/Kconfig.hz" 234source "kernel/time/Kconfig" 235 236config MN10300_RTC 237 bool "Using MN10300 RTC" 238 depends on MN10300_PROC_MN103E010 || MN10300_PROC_MN2WS0050 239 select GENERIC_CMOS_UPDATE 240 default n 241 help 242 This option enables support for the RTC, thus enabling time to be 243 tracked, even when system is powered down. This is available on-chip 244 on the MN103E010. 245 246config MN10300_WD_TIMER 247 bool "Using MN10300 watchdog timer" 248 default y 249 help 250 This options indicates that the watchdog timer will be used. 251 252config PCI 253 bool "Use PCI" 254 depends on MN10300_UNIT_ASB2305 255 default y 256 select GENERIC_PCI_IOMAP 257 help 258 Some systems (such as the ASB2305) have PCI onboard. If you have one 259 of these boards and you wish to use the PCI facilities, say Y here. 260 261 The PCI-HOWTO, available from 262 <http://www.tldp.org/docs.html#howto>, contains valuable 263 information about which PCI hardware does work under Linux and which 264 doesn't. 265 266source "drivers/pci/Kconfig" 267 268source "drivers/pcmcia/Kconfig" 269 270menu "MN10300 internal serial options" 271 272config MN10300_PROC_HAS_TTYSM0 273 bool 274 default n 275 276config MN10300_PROC_HAS_TTYSM1 277 bool 278 default n 279 280config MN10300_PROC_HAS_TTYSM2 281 bool 282 default n 283 284config MN10300_TTYSM 285 bool "Support for ttySM serial ports" 286 depends on MN10300 287 default y 288 select SERIAL_CORE 289 help 290 This option enables support for the on-chip serial ports that the 291 MN10300 has available. 292 293config MN10300_TTYSM_CONSOLE 294 bool "Support for console on ttySM serial ports" 295 depends on MN10300_TTYSM 296 select SERIAL_CORE_CONSOLE 297 help 298 This option enables support for a console on the on-chip serial ports 299 that the MN10300 has available. 300 301# 302# /dev/ttySM0 303# 304config MN10300_TTYSM0 305 bool "Enable SIF0 (/dev/ttySM0)" 306 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM0 307 help 308 Enable access to SIF0 through /dev/ttySM0 or gdb-stub 309 310choice 311 prompt "Select the timer to supply the clock for SIF0" 312 default MN10300_TTYSM0_TIMER8 313 depends on MN10300_TTYSM0 314 315config MN10300_TTYSM0_TIMER8 316 bool "Use timer 8 (16-bit)" 317 318config MN10300_TTYSM0_TIMER2 319 bool "Use timer 2 (8-bit)" 320 321endchoice 322 323# 324# /dev/ttySM1 325# 326config MN10300_TTYSM1 327 bool "Enable SIF1 (/dev/ttySM1)" 328 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM1 329 help 330 Enable access to SIF1 through /dev/ttySM1 or gdb-stub 331 332choice 333 prompt "Select the timer to supply the clock for SIF1" 334 default MN10300_TTYSM1_TIMER12 \ 335 if !(AM33_2 || AM33_3) 336 default MN10300_TTYSM1_TIMER9 \ 337 if AM33_2 || AM33_3 338 depends on MN10300_TTYSM1 339 340config MN10300_TTYSM1_TIMER12 341 bool "Use timer 12 (16-bit)" 342 depends on !(AM33_2 || AM33_3) 343 344config MN10300_TTYSM1_TIMER9 345 bool "Use timer 9 (16-bit)" 346 depends on AM33_2 || AM33_3 347 348config MN10300_TTYSM1_TIMER3 349 bool "Use timer 3 (8-bit)" 350 depends on AM33_2 || AM33_3 351 352endchoice 353 354# 355# /dev/ttySM2 356# 357config MN10300_TTYSM2 358 bool "Enable SIF2 (/dev/ttySM2)" 359 depends on MN10300_TTYSM && MN10300_PROC_HAS_TTYSM2 360 help 361 Enable access to SIF2 through /dev/ttySM2 or gdb-stub 362 363choice 364 prompt "Select the timer to supply the clock for SIF2" 365 default MN10300_TTYSM2_TIMER3 \ 366 if !(AM33_2 || AM33_3) 367 default MN10300_TTYSM2_TIMER10 \ 368 if AM33_2 || AM33_3 369 depends on MN10300_TTYSM2 370 371config MN10300_TTYSM2_TIMER9 372 bool "Use timer 9 (16-bit)" 373 depends on !(AM33_2 || AM33_3) 374 375config MN10300_TTYSM2_TIMER1 376 bool "Use timer 1 (8-bit)" 377 depends on !(AM33_2 || AM33_3) 378 379config MN10300_TTYSM2_TIMER3 380 bool "Use timer 3 (8-bit)" 381 depends on !(AM33_2 || AM33_3) 382 383config MN10300_TTYSM2_TIMER10 384 bool "Use timer 10 (16-bit)" 385 depends on AM33_2 || AM33_3 386 387endchoice 388 389config MN10300_TTYSM2_CTS 390 bool "Enable the use of the CTS line /dev/ttySM2" 391 depends on MN10300_TTYSM2 && AM33_2 392 393endmenu 394 395menu "Interrupt request priority options" 396 397comment "[!] NOTE: A lower number/level indicates a higher priority (0 is highest, 6 is lowest)" 398 399comment "____Non-maskable interrupt levels____" 400comment "The following must be set to a higher priority than local_irq_disable() and on-chip serial" 401 402config DEBUGGER_IRQ_LEVEL 403 int "DEBUGGER interrupt priority" 404 depends on KERNEL_DEBUGGER 405 range 0 1 if LINUX_CLI_LEVEL = 2 406 range 0 2 if LINUX_CLI_LEVEL = 3 407 range 0 3 if LINUX_CLI_LEVEL = 4 408 range 0 4 if LINUX_CLI_LEVEL = 5 409 range 0 5 if LINUX_CLI_LEVEL = 6 410 default 0 411 412comment "The following must be set to a higher priority than local_irq_disable()" 413 414config MN10300_SERIAL_IRQ_LEVEL 415 int "MN10300 on-chip serial interrupt priority" 416 depends on MN10300_TTYSM 417 range 1 1 if LINUX_CLI_LEVEL = 2 418 range 1 2 if LINUX_CLI_LEVEL = 3 419 range 1 3 if LINUX_CLI_LEVEL = 4 420 range 1 4 if LINUX_CLI_LEVEL = 5 421 range 1 5 if LINUX_CLI_LEVEL = 6 422 default 1 423 424comment "-" 425comment "____Maskable interrupt levels____" 426 427config LINUX_CLI_LEVEL 428 int "The highest interrupt priority excluded by local_irq_disable() (2-6)" 429 range 2 6 430 default 2 431 help 432 local_irq_disable() doesn't actually disable maskable interrupts - 433 what it does is restrict the levels of interrupt which are permitted 434 (a lower level indicates a higher priority) by lowering the value in 435 EPSW.IM from 7. Any interrupt is permitted for which the level is 436 lower than EPSW.IM. 437 438 Certain interrupts, such as DEBUGGER and virtual MN10300 on-chip 439 serial DMA interrupts are allowed to interrupt normal disabled 440 sections. 441 442comment "The following must be set to a equal to or lower priority than LINUX_CLI_LEVEL" 443 444config TIMER_IRQ_LEVEL 445 int "Kernel timer interrupt priority" 446 range LINUX_CLI_LEVEL 6 447 default 4 448 449config PCI_IRQ_LEVEL 450 int "PCI interrupt priority" 451 depends on PCI 452 range LINUX_CLI_LEVEL 6 453 default 5 454 455config ETHERNET_IRQ_LEVEL 456 int "Ethernet interrupt priority" 457 depends on SMC91X || SMC911X || SMSC911X 458 range LINUX_CLI_LEVEL 6 459 default 6 460 461config EXT_SERIAL_IRQ_LEVEL 462 int "External serial port interrupt priority" 463 depends on SERIAL_8250 464 range LINUX_CLI_LEVEL 6 465 default 6 466 467endmenu 468 469source "mm/Kconfig" 470 471menu "Power management options" 472source kernel/power/Kconfig 473endmenu 474 475endmenu 476 477 478menu "Executable formats" 479 480source "fs/Kconfig.binfmt" 481 482endmenu 483 484source "net/Kconfig" 485 486source "drivers/Kconfig" 487 488source "fs/Kconfig" 489 490source "arch/mn10300/Kconfig.debug" 491 492source "security/Kconfig" 493 494source "crypto/Kconfig" 495 496source "lib/Kconfig" 497