Kconfig 22.2 KB
Newer Older
B
Bryan Wu 已提交
1 2 3 4 5
#
# For a description of the syntax of this configuration file,
# see Documentation/kbuild/kconfig-language.txt.
#

6
mainmenu "Blackfin Kernel Configuration"
B
Bryan Wu 已提交
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

config MMU
	bool
	default n

config FPU
	bool
	default n

config RWSEM_GENERIC_SPINLOCK
	bool
	default y

config RWSEM_XCHGADD_ALGORITHM
	bool
	default n

config BLACKFIN
	bool
	default y
S
Sam Ravnborg 已提交
27
	select HAVE_IDE
M
Mathieu Desnoyers 已提交
28
	select HAVE_OPROFILE
B
Bryan Wu 已提交
29

30 31 32 33
config ZONE_DMA
	bool
	default y

B
Bryan Wu 已提交
34 35 36 37 38 39 40 41 42 43 44 45 46
config GENERIC_FIND_NEXT_BIT
	bool
	default y

config GENERIC_HWEIGHT
	bool
	default y

config GENERIC_HARDIRQS
	bool
	default y

config GENERIC_IRQ_PROBE
47
	bool
B
Bryan Wu 已提交
48 49
	default y

50
config GENERIC_GPIO
B
Bryan Wu 已提交
51 52 53 54 55 56 57 58 59 60 61
	bool
	default y

config FORCE_MAX_ZONEORDER
	int
	default "14"

config GENERIC_CALIBRATE_DELAY
	bool
	default y

62 63 64 65
config HARDWARE_PM
	def_bool y
	depends on OPROFILE

B
Bryan Wu 已提交
66 67 68 69 70 71 72 73 74 75 76
source "init/Kconfig"
source "kernel/Kconfig.preempt"

menu "Blackfin Processor Options"

comment "Processor and Board Settings"

choice
	prompt "CPU"
	default BF533

77 78 79 80 81
config BF522
	bool "BF522"
	help
	  BF522 Processor Support.

82 83 84 85 86 87 88 89 90 91
config BF523
	bool "BF523"
	help
	  BF523 Processor Support.

config BF524
	bool "BF524"
	help
	  BF524 Processor Support.

92 93 94 95 96
config BF525
	bool "BF525"
	help
	  BF525 Processor Support.

97 98 99 100 101
config BF526
	bool "BF526"
	help
	  BF526 Processor Support.

102 103 104 105 106
config BF527
	bool "BF527"
	help
	  BF527 Processor Support.

B
Bryan Wu 已提交
107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136
config BF531
	bool "BF531"
	help
	  BF531 Processor Support.

config BF532
	bool "BF532"
	help
	  BF532 Processor Support.

config BF533
	bool "BF533"
	help
	  BF533 Processor Support.

config BF534
	bool "BF534"
	help
	  BF534 Processor Support.

config BF536
	bool "BF536"
	help
	  BF536 Processor Support.

config BF537
	bool "BF537"
	help
	  BF537 Processor Support.

137 138 139 140 141 142 143 144 145 146
config BF542
	bool "BF542"
	help
	  BF542 Processor Support.

config BF544
	bool "BF544"
	help
	  BF544 Processor Support.

147 148 149 150 151
config BF547
	bool "BF547"
	help
	  BF547 Processor Support.

152 153 154 155 156 157 158 159 160 161
config BF548
	bool "BF548"
	help
	  BF548 Processor Support.

config BF549
	bool "BF549"
	help
	  BF549 Processor Support.

B
Bryan Wu 已提交
162 163 164 165 166 167 168 169 170
config BF561
	bool "BF561"
	help
	  Not Supported Yet - Work in progress - BF561 Processor Support.

endchoice

choice
	prompt "Silicon Rev"
171
	default BF_REV_0_1 if BF527
B
Bryan Wu 已提交
172 173
	default BF_REV_0_2 if BF537
	default BF_REV_0_3 if BF533
174 175 176 177
	default BF_REV_0_0 if BF549

config BF_REV_0_0
	bool "0.0"
178
	depends on (BF52x || BF54x)
179 180

config BF_REV_0_1
181 182
	bool "0.1"
	depends on (BF52x || BF54x)
B
Bryan Wu 已提交
183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199

config BF_REV_0_2
	bool "0.2"
	depends on (BF537 || BF536 || BF534)

config BF_REV_0_3
	bool "0.3"
	depends on (BF561 || BF537 || BF536 || BF534 || BF533 || BF532 || BF531)

config BF_REV_0_4
	bool "0.4"
	depends on (BF561 || BF533 || BF532 || BF531)

config BF_REV_0_5
	bool "0.5"
	depends on (BF561 || BF533 || BF532 || BF531)

200 201 202 203 204 205
config BF_REV_ANY
	bool "any"

config BF_REV_NONE
	bool "none"

B
Bryan Wu 已提交
206 207
endchoice

208 209
config BF52x
	bool
210
	depends on (BF522 || BF523 || BF524 || BF525 || BF526 || BF527)
211 212
	default y

213 214 215 216 217 218 219
config BF53x
	bool
	depends on (BF531 || BF532 || BF533 || BF534 || BF536 || BF537)
	default y

config BF54x
	bool
220
	depends on (BF542 || BF544 || BF547 || BF548 || BF549)
221 222
	default y

B
Bryan Wu 已提交
223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245
config BFIN_DUAL_CORE
	bool
	depends on (BF561)
	default y

config BFIN_SINGLE_CORE
	bool
	depends on !BFIN_DUAL_CORE
	default y

config MEM_GENERIC_BOARD
	bool
	depends on GENERIC_BOARD
	default y

config MEM_MT48LC64M4A2FB_7E
	bool
	depends on (BFIN533_STAMP)
	default y

config MEM_MT48LC16M16A2TG_75
	bool
	depends on (BFIN533_EZKIT || BFIN561_EZKIT \
246 247
		|| BFIN533_BLUETECHNIX_CM || BFIN537_BLUETECHNIX_CM \
		|| H8606_HVSISTEMAS)
B
Bryan Wu 已提交
248 249 250 251 252 253 254 255 256 257 258 259
	default y

config MEM_MT48LC32M8A2_75
	bool
	depends on (BFIN537_STAMP || PNAV10)
	default y

config MEM_MT48LC8M32B2B5_7
	bool
	depends on (BFIN561_BLUETECHNIX_CM)
	default y

260 261 262 263 264 265
config MEM_MT48LC32M16A2TG_75
	bool
	depends on (BFIN527_EZKIT)
	default y

source "arch/blackfin/mach-bf527/Kconfig"
B
Bryan Wu 已提交
266 267 268
source "arch/blackfin/mach-bf533/Kconfig"
source "arch/blackfin/mach-bf561/Kconfig"
source "arch/blackfin/mach-bf537/Kconfig"
269
source "arch/blackfin/mach-bf548/Kconfig"
B
Bryan Wu 已提交
270 271 272 273 274 275 276 277 278 279 280 281 282 283 284

menu "Board customizations"

config CMDLINE_BOOL
	bool "Default bootloader kernel arguments"

config CMDLINE
	string "Initial kernel command string"
	depends on CMDLINE_BOOL
	default "console=ttyBF0,57600"
	help
	  If you don't have a boot loader capable of passing a command line string
	  to the kernel, you may specify one here. As a minimum, you should specify
	  the memory size and the root device (e.g., mem=8M, root=/dev/nfs).

285
comment "Clock/PLL Setup"
B
Bryan Wu 已提交
286 287 288 289 290

config CLKIN_HZ
	int "Crystal Frequency in Hz"
	default "11059200" if BFIN533_STAMP
	default "27000000" if BFIN533_EZKIT
291
	default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS)
B
Bryan Wu 已提交
292 293 294 295 296
	default "30000000" if BFIN561_EZKIT
	default "24576000" if PNAV10
	help
	  The frequency of CLKIN crystal oscillator on the board in Hz.

297 298 299 300 301 302 303 304 305 306
config BFIN_KERNEL_CLOCK
	bool "Re-program Clocks while Kernel boots?"
	default n
	help
	  This option decides if kernel clocks are re-programed from the
	  bootloader settings. If the clocks are not set, the SDRAM settings
	  are also not changed, and the Bootloader does 100% of the hardware
	  configuration.

config PLL_BYPASS
307 308 309
	bool "Bypass PLL"
	depends on BFIN_KERNEL_CLOCK
	default n
310 311 312 313 314 315 316 317 318 319 320 321 322 323

config CLKIN_HALF
	bool "Half Clock In"
	depends on BFIN_KERNEL_CLOCK && (! PLL_BYPASS)
	default n
	help
	  If this is set the clock will be divided by 2, before it goes to the PLL.

config VCO_MULT
	int "VCO Multiplier"
	depends on BFIN_KERNEL_CLOCK && (! PLL_BYPASS)
	range 1 64
	default "22" if BFIN533_EZKIT
	default "45" if BFIN533_STAMP
324
	default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT)
325 326 327 328
	default "22" if BFIN533_BLUETECHNIX_CM
	default "20" if BFIN537_BLUETECHNIX_CM
	default "20" if BFIN561_BLUETECHNIX_CM
	default "20" if BFIN561_EZKIT
329
	default "16" if H8606_HVSISTEMAS
330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360
	help
	  This controls the frequency of the on-chip PLL. This can be between 1 and 64.
	  PLL Frequency = (Crystal Frequency) * (this setting)

choice
	prompt "Core Clock Divider"
	depends on BFIN_KERNEL_CLOCK
	default CCLK_DIV_1
	help
	  This sets the frequency of the core. It can be 1, 2, 4 or 8
	  Core Frequency = (PLL frequency) / (this setting)

config CCLK_DIV_1
	bool "1"

config CCLK_DIV_2
	bool "2"

config CCLK_DIV_4
	bool "4"

config CCLK_DIV_8
	bool "8"
endchoice

config SCLK_DIV
	int "System Clock Divider"
	depends on BFIN_KERNEL_CLOCK
	range 1 15
	default 5 if BFIN533_EZKIT
	default 5 if BFIN533_STAMP
361
	default 4 if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT)
362 363 364 365
	default 5 if BFIN533_BLUETECHNIX_CM
	default 4 if BFIN537_BLUETECHNIX_CM
	default 4 if BFIN561_BLUETECHNIX_CM
	default 5 if BFIN561_EZKIT
366
	default 3 if H8606_HVSISTEMAS
367 368 369 370 371 372 373 374 375 376 377
	help
	  This sets the frequency of the system clock (including SDRAM or DDR).
	  This can be between 1 and 15
	  System Clock = (PLL frequency) / (this setting)

#
# Max & Min Speeds for various Chips
#
config MAX_VCO_HZ
	int
	default 600000000 if BF522
378 379
	default 400000000 if BF523
	default 400000000 if BF524
380
	default 600000000 if BF525
381
	default 400000000 if BF526
382 383 384 385 386 387 388
	default 600000000 if BF527
	default 400000000 if BF531
	default 400000000 if BF532
	default 750000000 if BF533
	default 500000000 if BF534
	default 400000000 if BF536
	default 600000000 if BF537
389 390
	default 533333333 if BF538
	default 533333333 if BF539
391
	default 600000000 if BF542
392
	default 533333333 if BF544
393 394
	default 600000000 if BF547
	default 600000000 if BF548
395
	default 533333333 if BF549
396 397 398 399 400 401 402 403
	default 600000000 if BF561

config MIN_VCO_HZ
	int
	default 50000000

config MAX_SCLK_HZ
	int
404
	default 133333333
405 406 407 408 409 410 411 412 413

config MIN_SCLK_HZ
	int
	default 27000000

comment "Kernel Timer/Scheduler"

source kernel/Kconfig.hz

414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437
config GENERIC_TIME
	bool "Generic time"
	default y

config GENERIC_CLOCKEVENTS
	bool "Generic clock events"
	depends on GENERIC_TIME
	default y

config CYCLES_CLOCKSOURCE
	bool "Use 'CYCLES' as a clocksource (EXPERIMENTAL)"
	depends on EXPERIMENTAL
	depends on GENERIC_CLOCKEVENTS
	depends on !BFIN_SCRATCH_REG_CYCLES
	default n
	help
	  If you say Y here, you will enable support for using the 'cycles'
	  registers as a clock source.  Doing so means you will be unable to
	  safely write to the 'cycles' register during runtime.  You will
	  still be able to read it (such as for performance monitoring), but
	  writing the registers will most likely crash the kernel.

source kernel/time/Kconfig

438 439
comment "Memory Setup"

B
Bryan Wu 已提交
440 441 442
config MEM_SIZE
	int "SDRAM Memory Size in MBytes"
	default  32 if BFIN533_EZKIT
443
	default  64 if BFIN527_EZKIT
B
Bryan Wu 已提交
444
	default  64 if BFIN537_STAMP
445
	default  64 if BFIN548_EZKIT
B
Bryan Wu 已提交
446 447 448
	default  64 if BFIN561_EZKIT
	default 128 if BFIN533_STAMP
	default  64 if PNAV10
449
	default  32 if H8606_HVSISTEMAS
B
Bryan Wu 已提交
450 451 452

config MEM_ADD_WIDTH
	int "SDRAM Memory Address Width"
453
	depends on (!BF54x)
B
Bryan Wu 已提交
454 455
	default  9 if BFIN533_EZKIT
	default  9 if BFIN561_EZKIT
456
	default  9 if H8606_HVSISTEMAS
457
	default 10 if BFIN527_EZKIT
B
Bryan Wu 已提交
458 459 460 461
	default 10 if BFIN537_STAMP
	default 11 if BFIN533_STAMP
	default 10 if PNAV10

462 463 464 465 466 467 468 469 470 471 472 473 474

choice
	prompt "DDR SDRAM Chip Type"
	depends on BFIN548_EZKIT
	default MEM_MT46V32M16_5B

config MEM_MT46V32M16_6T
        bool "MT46V32M16_6T"

config MEM_MT46V32M16_5B
        bool "MT46V32M16_5B"
endchoice

B
Bryan Wu 已提交
475 476 477 478 479 480 481 482 483 484 485 486 487
config ENET_FLASH_PIN
	int "PF port/pin used for flash and ethernet sharing"
	depends on (BFIN533_STAMP)
	default  0
	help
	  PF port/pin used for flash and ethernet sharing to allow other PF
	  pins to be used on other platforms without having to touch common
	  code.
	  For example: PF0 --> 0,PF1 --> 1,PF2 --> 2, etc.

config BOOT_LOAD
	hex "Kernel load address for booting"
	default "0x1000"
M
Mike Frysinger 已提交
488
	range 0x1000 0x20000000
B
Bryan Wu 已提交
489 490 491 492 493 494
	help
	  This option allows you to set the load address of the kernel.
	  This can be useful if you are on a board which has a small amount
	  of memory or you wish to reserve some memory at the beginning of
	  the address space.

M
Mike Frysinger 已提交
495 496 497
	  Note that you need to keep this value above 4k (0x1000) as this
	  memory region is used to capture NULL pointer references as well
	  as some core kernel functions.
B
Bryan Wu 已提交
498

499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544
choice
	prompt "Blackfin Exception Scratch Register"
	default BFIN_SCRATCH_REG_RETN
	help
	  Select the resource to reserve for the Exception handler:
	    - RETN: Non-Maskable Interrupt (NMI)
	    - RETE: Exception Return (JTAG/ICE)
	    - CYCLES: Performance counter

	  If you are unsure, please select "RETN".

config BFIN_SCRATCH_REG_RETN
	bool "RETN"
	help
	  Use the RETN register in the Blackfin exception handler
	  as a stack scratch register.  This means you cannot
	  safely use NMI on the Blackfin while running Linux, but
	  you can debug the system with a JTAG ICE and use the
	  CYCLES performance registers.

	  If you are unsure, please select "RETN".

config BFIN_SCRATCH_REG_RETE
	bool "RETE"
	help
	  Use the RETE register in the Blackfin exception handler
	  as a stack scratch register.  This means you cannot
	  safely use a JTAG ICE while debugging a Blackfin board,
	  but you can safely use the CYCLES performance registers
	  and the NMI.

	  If you are unsure, please select "RETN".

config BFIN_SCRATCH_REG_CYCLES
	bool "CYCLES"
	help
	  Use the CYCLES register in the Blackfin exception handler
	  as a stack scratch register.  This means you cannot
	  safely use the CYCLES performance registers on a Blackfin
	  board at anytime, but you can debug the system with a JTAG
	  ICE and use the NMI.

	  If you are unsure, please select "RETN".

endchoice

B
Bryan Wu 已提交
545 546 547 548 549 550 551 552 553 554 555
endmenu


menu "Blackfin Kernel Optimizations"

comment "Memory Optimizations"

config I_ENTRY_L1
	bool "Locate interrupt entry code in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
556 557
	  If enabled, interrupt entry code (STORE/RESTORE CONTEXT) is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
558 559

config EXCPT_IRQ_SYSC_L1
M
Matt LaPlante 已提交
560
	bool "Locate entire ASM lowlevel exception / interrupt - Syscall and CPLB handler code in L1 Memory"
B
Bryan Wu 已提交
561 562
	default y
	help
M
Matt LaPlante 已提交
563
	  If enabled, the entire ASM lowlevel exception and interrupt entry code
564
	  (STORE/RESTORE CONTEXT) is linked into L1 instruction memory.
M
Matt LaPlante 已提交
565
	  (less latency)
B
Bryan Wu 已提交
566 567 568 569 570

config DO_IRQ_L1
	bool "Locate frequently called do_irq dispatcher function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
571 572
	  If enabled, the frequently called do_irq dispatcher function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
573 574 575 576 577

config CORE_TIMER_IRQ_L1
	bool "Locate frequently called timer_interrupt() function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
578 579
	  If enabled, the frequently called timer_interrupt() function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
580 581 582 583 584

config IDLE_L1
	bool "Locate frequently idle function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
585 586
	  If enabled, the frequently called idle function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
587 588 589 590 591

config SCHEDULE_L1
	bool "Locate kernel schedule function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
592 593
	  If enabled, the frequently called kernel schedule is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
594 595 596 597 598

config ARITHMETIC_OPS_L1
	bool "Locate kernel owned arithmetic functions in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
599 600
	  If enabled, arithmetic functions are linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
601 602 603 604 605

config ACCESS_OK_L1
	bool "Locate access_ok function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
606 607
	  If enabled, the access_ok function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
608 609 610 611 612

config MEMSET_L1
	bool "Locate memset function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
613 614
	  If enabled, the memset function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
615 616 617 618 619

config MEMCPY_L1
	bool "Locate memcpy function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
620 621
	  If enabled, the memcpy function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
622 623 624 625 626

config SYS_BFIN_SPINLOCK_L1
	bool "Locate sys_bfin_spinlock function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
627 628
	  If enabled, sys_bfin_spinlock function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
629 630 631 632 633

config IP_CHECKSUM_L1
	bool "Locate IP Checksum function in L1 Memory"
	default n
	help
M
Matt LaPlante 已提交
634 635
	  If enabled, the IP Checksum function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
636 637 638

config CACHELINE_ALIGNED_L1
	bool "Locate cacheline_aligned data to L1 Data Memory"
639 640
	default y if !BF54x
	default n if BF54x
B
Bryan Wu 已提交
641 642
	depends on !BF531
	help
M
Matt LaPlante 已提交
643 644
	  If enabled, cacheline_anligned data is linked
	  into L1 data memory. (less latency)
B
Bryan Wu 已提交
645 646 647 648 649 650

config SYSCALL_TAB_L1
	bool "Locate Syscall Table L1 Data Memory"
	default n
	depends on !BF531
	help
M
Matt LaPlante 已提交
651 652
	  If enabled, the Syscall LUT is linked
	  into L1 data memory. (less latency)
B
Bryan Wu 已提交
653 654 655 656 657 658

config CPLB_SWITCH_TAB_L1
	bool "Locate CPLB Switch Tables L1 Data Memory"
	default n
	depends on !BF531
	help
M
Matt LaPlante 已提交
659 660
	  If enabled, the CPLB Switch Tables are linked
	  into L1 data memory. (less latency)
B
Bryan Wu 已提交
661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683

endmenu


choice
	prompt "Kernel executes from"
	help
	  Choose the memory type that the kernel will be running in.

config RAMKERNEL
	bool "RAM"
	help
	  The kernel will be resident in RAM when running.

config ROMKERNEL
	bool "ROM"
	help
	  The kernel will be resident in FLASH/ROM when running.

endchoice

source "mm/Kconfig"

684 685 686 687 688 689 690 691
config LARGE_ALLOCS
	bool "Allow allocating large blocks (> 1MB) of memory"
	help
	  Allow the slab memory allocator to keep chains for very large
	  memory sizes - upto 32MB. You may need this if your system has
	  a lot of RAM, and you need to able to allocate very large
	  contiguous chunks. If unsure, say N.

692 693 694 695 696 697 698 699 700 701
config BFIN_GPTIMERS
	tristate "Enable Blackfin General Purpose Timers API"
	default n
	help
	  Enable support for the General Purpose Timers API.  If you
	  are unsure, say N.

	  To compile this driver as a module, choose M here: the module
	  will be called gptimers.ko.

B
Bryan Wu 已提交
702 703
config BFIN_DMA_5XX
	bool "Enable DMA Support"
704
	depends on (BF52x || BF53x || BF561 || BF54x)
B
Bryan Wu 已提交
705 706 707 708 709 710 711
	default y
	help
	  DMA driver for BF5xx.

choice
	prompt "Uncached SDRAM region"
	default DMA_UNCACHED_1M
712
	depends on BFIN_DMA_5XX
B
Bryan Wu 已提交
713 714 715 716 717 718 719 720 721 722
config DMA_UNCACHED_2M
	bool "Enable 2M DMA region"
config DMA_UNCACHED_1M
	bool "Enable 1M DMA region"
config DMA_UNCACHED_NONE
	bool "Disable DMA region"
endchoice


comment "Cache Support"
723
config BFIN_ICACHE
B
Bryan Wu 已提交
724
	bool "Enable ICACHE"
725
config BFIN_DCACHE
B
Bryan Wu 已提交
726
	bool "Enable DCACHE"
727
config BFIN_DCACHE_BANKA
B
Bryan Wu 已提交
728
	bool "Enable only 16k BankA DCACHE - BankB is SRAM"
729
	depends on BFIN_DCACHE && !BF531
B
Bryan Wu 已提交
730
	default n
731 732
config BFIN_ICACHE_LOCK
	bool "Enable Instruction Cache Locking"
B
Bryan Wu 已提交
733 734 735

choice
	prompt "Policy"
736 737 738
	depends on BFIN_DCACHE
	default BFIN_WB
config BFIN_WB
B
Bryan Wu 已提交
739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754
	bool "Write back"
	help
	  Write Back Policy:
	    Cached data will be written back to SDRAM only when needed.
	    This can give a nice increase in performance, but beware of
	    broken drivers that do not properly invalidate/flush their
	    cache.

	  Write Through Policy:
	    Cached data will always be written back to SDRAM when the
	    cache is updated.  This is a completely safe setting, but
	    performance is worse than Write Back.

	  If you are unsure of the options and you want to be safe,
	  then go with Write Through.

755
config BFIN_WT
B
Bryan Wu 已提交
756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780
	bool "Write through"
	help
	  Write Back Policy:
	    Cached data will be written back to SDRAM only when needed.
	    This can give a nice increase in performance, but beware of
	    broken drivers that do not properly invalidate/flush their
	    cache.

	  Write Through Policy:
	    Cached data will always be written back to SDRAM when the
	    cache is updated.  This is a completely safe setting, but
	    performance is worse than Write Back.

	  If you are unsure of the options and you want to be safe,
	  then go with Write Through.

endchoice

config L1_MAX_PIECE
	int "Set the max L1 SRAM pieces"
	default 16
	help
	  Set the max memory pieces for the L1 SRAM allocation algorithm.
	  Min value is 16. Max value is 1024.

781 782 783 784 785 786 787 788 789

config MPU
	bool "Enable the memory protection unit (EXPERIMENTAL)"
	default n
	help
	  Use the processor's MPU to protect applications from accessing
	  memory they do not own.  This comes at a performance penalty
	  and is recommended only for debugging.

B
Bryan Wu 已提交
790 791
comment "Asynchonous Memory Configuration"

792
menu "EBIU_AMGCTL Global Control"
B
Bryan Wu 已提交
793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859
config C_AMCKEN
	bool "Enable CLKOUT"
	default y

config C_CDPRIO
	bool "DMA has priority over core for ext. accesses"
	default n

config C_B0PEN
	depends on BF561
	bool "Bank 0 16 bit packing enable"
	default y

config C_B1PEN
	depends on BF561
	bool "Bank 1 16 bit packing enable"
	default y

config C_B2PEN
	depends on BF561
	bool "Bank 2 16 bit packing enable"
	default y

config C_B3PEN
	depends on BF561
	bool "Bank 3 16 bit packing enable"
	default n

choice
	prompt"Enable Asynchonous Memory Banks"
	default C_AMBEN_ALL

config C_AMBEN
	bool "Disable All Banks"

config C_AMBEN_B0
	bool "Enable Bank 0"

config C_AMBEN_B0_B1
	bool "Enable Bank 0 & 1"

config C_AMBEN_B0_B1_B2
	bool "Enable Bank 0 & 1 & 2"

config C_AMBEN_ALL
	bool "Enable All Banks"
endchoice
endmenu

menu "EBIU_AMBCTL Control"
config BANK_0
	hex "Bank 0"
	default 0x7BB0

config BANK_1
	hex "Bank 1"
	default 0x7BB0

config BANK_2
	hex "Bank 2"
	default 0x7BB0

config BANK_3
	hex "Bank 3"
	default 0x99B3
endmenu

860 861 862 863 864 865 866 867 868 869 870 871 872 873
config EBIU_MBSCTLVAL
	hex "EBIU Bank Select Control Register"
	depends on BF54x
	default 0

config EBIU_MODEVAL
	hex "Flash Memory Mode Control Register"
	depends on BF54x
	default 1

config EBIU_FCTLVAL
	hex "Flash Memory Bank Control Register"
	depends on BF54x
	default 6
B
Bryan Wu 已提交
874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918
endmenu

#############################################################################
menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"

config PCI
	bool "PCI support"
	help
	  Support for PCI bus.

source "drivers/pci/Kconfig"

config HOTPLUG
	bool "Support for hot-pluggable device"
	  help
	  Say Y here if you want to plug devices into your computer while
	  the system is running, and be able to use them quickly.  In many
	  cases, the devices can likewise be unplugged at any time too.

	  One well known example of this is PCMCIA- or PC-cards, credit-card
	  size devices such as network cards, modems or hard drives which are
	  plugged into slots found on all modern laptop computers.  Another
	  example, used on modern desktops as well as laptops, is USB.

	  Enable HOTPLUG and KMOD, and build a modular kernel.  Get agent
	  software (at <http://linux-hotplug.sourceforge.net/>) and install it.
	  Then your kernel will automatically call out to a user mode "policy
	  agent" (/sbin/hotplug) to load modules and set up software needed
	  to use devices as you hotplug them.

source "drivers/pcmcia/Kconfig"

source "drivers/pci/hotplug/Kconfig"

endmenu

menu "Executable file formats"

source "fs/Kconfig.binfmt"

endmenu

menu "Power management options"
source "kernel/power/Kconfig"

J
Johannes Berg 已提交
919 920 921 922
config ARCH_SUSPEND_POSSIBLE
	def_bool y
	depends on !SMP

B
Bryan Wu 已提交
923
choice
924
	prompt "Default Power Saving Mode"
B
Bryan Wu 已提交
925
	depends on PM
926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952
	default PM_BFIN_SLEEP_DEEPER
config  PM_BFIN_SLEEP_DEEPER
	bool "Sleep Deeper"
	help
	  Sleep "Deeper" Mode (High Power Savings) - This mode reduces dynamic
	  power dissipation by disabling the clock to the processor core (CCLK).
	  Furthermore, Standby sets the internal power supply voltage (VDDINT)
	  to 0.85 V to provide the greatest power savings, while preserving the
	  processor state.
	  The PLL and system clock (SCLK) continue to operate at a very low
	  frequency of about 3.3 MHz. To preserve data integrity in the SDRAM,
	  the SDRAM is put into Self Refresh Mode. Typically an external event
	  such as GPIO interrupt or RTC activity wakes up the processor.
	  Various Peripherals such as UART, SPORT, PPI may not function as
	  normal during Sleep Deeper, due to the reduced SCLK frequency.
	  When in the sleep mode, system DMA access to L1 memory is not supported.

config  PM_BFIN_SLEEP
	bool "Sleep"
	help
	  Sleep Mode (High Power Savings) - The sleep mode reduces power
	  dissipation by disabling the clock to the processor core (CCLK).
	  The PLL and system clock (SCLK), however, continue to operate in
	  this mode. Typically an external event or RTC activity will wake
	  up the processor. When in the sleep mode,
	  system DMA access to L1 memory is not supported.
endchoice
B
Bryan Wu 已提交
953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980

config PM_WAKEUP_BY_GPIO
	bool "Cause Wakeup Event by GPIO"

config PM_WAKEUP_GPIO_NUMBER
	int "Wakeup GPIO number"
	range 0 47
	depends on PM_WAKEUP_BY_GPIO
	default 2 if BFIN537_STAMP

choice
	prompt "GPIO Polarity"
	depends on PM_WAKEUP_BY_GPIO
	default PM_WAKEUP_GPIO_POLAR_H
config  PM_WAKEUP_GPIO_POLAR_H
	bool "Active High"
config  PM_WAKEUP_GPIO_POLAR_L
	bool "Active Low"
config  PM_WAKEUP_GPIO_POLAR_EDGE_F
	bool "Falling EDGE"
config  PM_WAKEUP_GPIO_POLAR_EDGE_R
	bool "Rising EDGE"
config  PM_WAKEUP_GPIO_POLAR_EDGE_B
	bool "Both EDGE"
endchoice

endmenu

981
if (BF537 || BF533 || BF54x)
B
Bryan Wu 已提交
982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002

menu "CPU Frequency scaling"

source "drivers/cpufreq/Kconfig"

config CPU_FREQ
	bool
	default n
	help
	  If you want to enable this option, you should select the
	  DPMC driver from Character Devices.
endmenu

endif

source "net/Kconfig"

source "drivers/Kconfig"

source "fs/Kconfig"

1003
source "arch/blackfin/Kconfig.debug"
B
Bryan Wu 已提交
1004 1005 1006 1007 1008 1009

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"