forked from ~ljy/RK356X_SDK_RELEASE
kernel/arch/m68k/Kconfig.cpu
.. .. @@ -25,10 +25,11 @@ 25 25 bool "Coldfire CPU family support" 26 26 select ARCH_HAVE_CUSTOM_GPIO_H 27 27 select CPU_HAS_NO_BITFIELDS 28 28 29 select CPU_HAS_NO_MULDIV64 29 30 select GENERIC_CSUM 30 31 select GPIOLIB 31 32 32 33 33 34 endchoice 34 35 .. .. @@ -38,6 +39,7 @@ 38 39 bool "MC68000" 39 40 depends on !MMU 40 41 select CPU_HAS_NO_BITFIELDS 42 41 43 select CPU_HAS_NO_MULDIV64 42 44 select CPU_HAS_NO_UNALIGNED 43 45 select GENERIC_CSUM .. .. @@ -53,6 +55,7 @@ 53 55 config MCPU32 54 56 bool 55 57 select CPU_HAS_NO_BITFIELDS 58 56 59 select CPU_HAS_NO_UNALIGNED 57 60 select CPU_NO_EFFICIENT_FFS 58 61 help .. .. @@ -299,6 +302,7 @@ 299 302 bool 300 303 301 304 config M54xx 305 302 306 bool 303 307 304 308 endif # COLDFIRE .. .. @@ -308,7 +312,7 @@ 308 312 309 313 config M68KFPU_EMU 310 314 bool "Math emulation support" 311 315 312 316 help 313 317 At some point in the future, this will cause floating-point math 314 318 instructions to be emulated by the kernel on machines that lack a .. .. @@ -342,7 +346,7 @@ 342 346 config ADVANCED 343 347 bool "Advanced configuration options" 344 348 depends on MMU 345 349 346 350 This gives you access to some advanced options for the CPU. The 347 351 defaults should be fine for most users, but these options may make 348 352 it possible for you to improve performance somewhat if you know what .. .. @@ -356,8 +360,8 @@ 356 360 357 361 config RMW_INSNS 358 362 bool "Use read-modify-write instructions" 359 360 363 364 361 365 This allows to use certain instructions that work with indivisible 362 366 read-modify-write bus cycles. While this is faster than the 363 367 workaround of disabling interrupts, it can conflict with DMA .. .. @@ -385,7 +389,7 @@ 385 389 config 060_WRITETHROUGH 386 390 bool "Use write-through caching for 68060 supervisor accesses" 387 391 depends on ADVANCED && M68060 388 392 389 393 The 68060 generally uses copyback caching of recently accessed data. 390 394 Copyback caching means that memory writes will be held in an on-chip 391 395 cache and only written back to memory some time later. Saying Y .. .. @@ -410,6 +414,9 @@ 410 414 config CPU_HAS_NO_BITFIELDS 411 415 bool 412 416 417 418 419 413 420 config CPU_HAS_NO_MULDIV64 414 421 bool 415 422
