Kconfig 22.7 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
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 \
236 237
		|| BFIN533_BLUETECHNIX_CM || BFIN537_BLUETECHNIX_CM \
		|| H8606_HVSISTEMAS)
B
Bryan Wu 已提交
238 239 240 241 242 243 244 245 246 247 248 249
	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

250 251
config MEM_MT48LC32M16A2TG_75
	bool
252
	depends on (BFIN527_EZKIT || BFIN532_IP0X)
253 254 255
	default y

source "arch/blackfin/mach-bf527/Kconfig"
B
Bryan Wu 已提交
256 257 258
source "arch/blackfin/mach-bf533/Kconfig"
source "arch/blackfin/mach-bf561/Kconfig"
source "arch/blackfin/mach-bf537/Kconfig"
259
source "arch/blackfin/mach-bf548/Kconfig"
B
Bryan Wu 已提交
260 261 262 263 264 265 266 267 268 269 270 271 272 273 274

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).

275 276 277 278 279 280 281 282 283 284 285 286 287 288
config BOOT_LOAD
	hex "Kernel load address for booting"
	default "0x1000"
	range 0x1000 0x20000000
	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.

	  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.

289
comment "Clock/PLL Setup"
B
Bryan Wu 已提交
290 291

config CLKIN_HZ
292
	int "Frequency of the crystal on the board in Hz"
B
Bryan Wu 已提交
293 294
	default "11059200" if BFIN533_STAMP
	default "27000000" if BFIN533_EZKIT
295
	default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS)
B
Bryan Wu 已提交
296 297
	default "30000000" if BFIN561_EZKIT
	default "24576000" if PNAV10
298
	default "10000000" if BFIN532_IP0X
B
Bryan Wu 已提交
299 300
	help
	  The frequency of CLKIN crystal oscillator on the board in Hz.
301 302
	  Warning: This value should match the crystal on the board. Otherwise,
	  peripherals won't work properly.
B
Bryan Wu 已提交
303

304 305 306 307 308 309 310 311 312 313
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
314 315 316
	bool "Bypass PLL"
	depends on BFIN_KERNEL_CLOCK
	default n
317 318 319 320 321 322 323 324 325 326 327 328 329 330

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
331
	default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM)
332 333 334 335
	default "22" if BFIN533_BLUETECHNIX_CM
	default "20" if BFIN537_BLUETECHNIX_CM
	default "20" if BFIN561_BLUETECHNIX_CM
	default "20" if BFIN561_EZKIT
336
	default "16" if H8606_HVSISTEMAS
337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365
	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
366
	default 5
367 368 369 370 371
	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)

372 373
config MAX_MEM_SIZE
	int "Max SDRAM Memory Size in MBytes"
374
	depends on !MPU
375 376 377 378 379
	default 512
	help
	  This is the max memory size that the kernel will create CPLB
	  tables for.  Your system will not be able to handle any more.

380 381 382 383 384 385 386 387 388 389 390 391 392
choice
	prompt "DDR SDRAM Chip Type"
	depends on BFIN_KERNEL_CLOCK
	depends on BF54x
	default MEM_MT46V32M16_5B

config MEM_MT46V32M16_6T
	bool "MT46V32M16_6T"

config MEM_MT46V32M16_5B
	bool "MT46V32M16_5B"
endchoice

393 394 395 396 397 398
#
# Max & Min Speeds for various Chips
#
config MAX_VCO_HZ
	int
	default 600000000 if BF522
399 400
	default 400000000 if BF523
	default 400000000 if BF524
401
	default 600000000 if BF525
402
	default 400000000 if BF526
403 404 405 406 407 408 409
	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
410 411
	default 533333333 if BF538
	default 533333333 if BF539
412
	default 600000000 if BF542
413
	default 533333333 if BF544
414 415
	default 600000000 if BF547
	default 600000000 if BF548
416
	default 533333333 if BF549
417 418 419 420 421 422 423 424
	default 600000000 if BF561

config MIN_VCO_HZ
	int
	default 50000000

config MAX_SCLK_HZ
	int
425
	default 133333333
426 427 428 429 430 431 432 433 434

config MIN_SCLK_HZ
	int
	default 27000000

comment "Kernel Timer/Scheduler"

source kernel/Kconfig.hz

435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458
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

459 460
comment "Memory Setup"

461
comment "Misc"
462

463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508
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
509 510 511 512 513 514 515 516 517 518 519
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
520 521
	  If enabled, interrupt entry code (STORE/RESTORE CONTEXT) is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
522 523

config EXCPT_IRQ_SYSC_L1
M
Matt LaPlante 已提交
524
	bool "Locate entire ASM lowlevel exception / interrupt - Syscall and CPLB handler code in L1 Memory"
B
Bryan Wu 已提交
525 526
	default y
	help
M
Matt LaPlante 已提交
527
	  If enabled, the entire ASM lowlevel exception and interrupt entry code
528
	  (STORE/RESTORE CONTEXT) is linked into L1 instruction memory.
M
Matt LaPlante 已提交
529
	  (less latency)
B
Bryan Wu 已提交
530 531 532 533 534

config DO_IRQ_L1
	bool "Locate frequently called do_irq dispatcher function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
535 536
	  If enabled, the frequently called do_irq dispatcher function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
537 538 539 540 541

config CORE_TIMER_IRQ_L1
	bool "Locate frequently called timer_interrupt() function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
542 543
	  If enabled, the frequently called timer_interrupt() function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
544 545 546 547 548

config IDLE_L1
	bool "Locate frequently idle function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
549 550
	  If enabled, the frequently called idle function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
551 552 553 554 555

config SCHEDULE_L1
	bool "Locate kernel schedule function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
556 557
	  If enabled, the frequently called kernel schedule is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
558 559 560 561 562

config ARITHMETIC_OPS_L1
	bool "Locate kernel owned arithmetic functions in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
563 564
	  If enabled, arithmetic functions are linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
565 566 567 568 569

config ACCESS_OK_L1
	bool "Locate access_ok function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
570 571
	  If enabled, the access_ok function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
572 573 574 575 576

config MEMSET_L1
	bool "Locate memset function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
577 578
	  If enabled, the memset function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
579 580 581 582 583

config MEMCPY_L1
	bool "Locate memcpy function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
584 585
	  If enabled, the memcpy function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
586 587 588 589 590

config SYS_BFIN_SPINLOCK_L1
	bool "Locate sys_bfin_spinlock function in L1 Memory"
	default y
	help
M
Matt LaPlante 已提交
591 592
	  If enabled, sys_bfin_spinlock function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
593 594 595 596 597

config IP_CHECKSUM_L1
	bool "Locate IP Checksum function in L1 Memory"
	default n
	help
M
Matt LaPlante 已提交
598 599
	  If enabled, the IP Checksum function is linked
	  into L1 instruction memory. (less latency)
B
Bryan Wu 已提交
600 601 602

config CACHELINE_ALIGNED_L1
	bool "Locate cacheline_aligned data to L1 Data Memory"
603 604
	default y if !BF54x
	default n if BF54x
B
Bryan Wu 已提交
605 606
	depends on !BF531
	help
M
Matt LaPlante 已提交
607 608
	  If enabled, cacheline_anligned data is linked
	  into L1 data memory. (less latency)
B
Bryan Wu 已提交
609 610 611 612 613 614

config SYSCALL_TAB_L1
	bool "Locate Syscall Table L1 Data Memory"
	default n
	depends on !BF531
	help
M
Matt LaPlante 已提交
615 616
	  If enabled, the Syscall LUT is linked
	  into L1 data memory. (less latency)
B
Bryan Wu 已提交
617 618 619 620 621 622

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
623 624
	  If enabled, the CPLB Switch Tables are linked
	  into L1 data memory. (less latency)
B
Bryan Wu 已提交
625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647

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"

648 649 650 651 652 653 654 655 656 657
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
658 659
config BFIN_DMA_5XX
	bool "Enable DMA Support"
660
	depends on (BF52x || BF53x || BF561 || BF54x)
B
Bryan Wu 已提交
661 662 663 664 665 666 667
	default y
	help
	  DMA driver for BF5xx.

choice
	prompt "Uncached SDRAM region"
	default DMA_UNCACHED_1M
668
	depends on BFIN_DMA_5XX
669 670
config DMA_UNCACHED_4M
	bool "Enable 4M DMA region"
B
Bryan Wu 已提交
671 672 673 674 675 676 677 678 679 680
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"
681
config BFIN_ICACHE
B
Bryan Wu 已提交
682
	bool "Enable ICACHE"
683
config BFIN_DCACHE
B
Bryan Wu 已提交
684
	bool "Enable DCACHE"
685
config BFIN_DCACHE_BANKA
B
Bryan Wu 已提交
686
	bool "Enable only 16k BankA DCACHE - BankB is SRAM"
687
	depends on BFIN_DCACHE && !BF531
B
Bryan Wu 已提交
688
	default n
689 690
config BFIN_ICACHE_LOCK
	bool "Enable Instruction Cache Locking"
B
Bryan Wu 已提交
691 692 693

choice
	prompt "Policy"
694 695 696
	depends on BFIN_DCACHE
	default BFIN_WB
config BFIN_WB
B
Bryan Wu 已提交
697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712
	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.

713
config BFIN_WT
B
Bryan Wu 已提交
714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738
	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.

739 740 741 742 743 744 745 746 747

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
748 749
comment "Asynchonous Memory Configuration"

750
menu "EBIU_AMGCTL Global Control"
B
Bryan Wu 已提交
751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807
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
808
	default 0x5558 if BF54x
B
Bryan Wu 已提交
809 810 811 812 813 814 815 816 817 818

config BANK_2
	hex "Bank 2"
	default 0x7BB0

config BANK_3
	hex "Bank 3"
	default 0x99B3
endmenu

819 820 821 822 823 824 825 826 827 828 829 830 831 832
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
833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877
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
878 879 880 881
config ARCH_SUSPEND_POSSIBLE
	def_bool y
	depends on !SMP

B
Bryan Wu 已提交
882
choice
883
	prompt "Standby Power Saving Mode"
B
Bryan Wu 已提交
884
	depends on PM
885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901
	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.

902 903
	  If unsure, select "Sleep Deeper".

904 905 906 907 908 909 910
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
911 912 913 914
	  up the processor. When in the sleep mode, system DMA access to L1
	  memory is not supported.

	  If unsure, select "Sleep Deeper".
915
endchoice
B
Bryan Wu 已提交
916 917

config PM_WAKEUP_BY_GPIO
918
	bool "Allow Wakeup from Standby by GPIO"
B
Bryan Wu 已提交
919 920

config PM_WAKEUP_GPIO_NUMBER
921
	int "GPIO number"
B
Bryan Wu 已提交
922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941
	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

942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993
comment "Possible Suspend Mem / Hibernate Wake-Up Sources"
	depends on PM

config PM_BFIN_WAKE_RTC
	bool "Allow Wake-Up from RESET and on-chip RTC"
	depends on PM
	default n
	help
	  Enable RTC Wake-Up (Voltage Regulator Power-Up)

config PM_BFIN_WAKE_PH6
	bool "Allow Wake-Up from on-chip PHY or PH6 GP"
	depends on PM && (BF52x || BF534 || BF536 || BF537)
	default n
	help
	  Enable PHY and PH6 GP Wake-Up (Voltage Regulator Power-Up)

config PM_BFIN_WAKE_CAN
	bool "Allow Wake-Up from on-chip CAN0/1"
	depends on PM && (BF54x || BF534 || BF536 || BF537)
	default n
	help
	  Enable CAN0/1 Wake-Up (Voltage Regulator Power-Up)

config PM_BFIN_WAKE_GP
	bool "Allow Wake-Up from GPIOs"
	depends on PM && BF54x
	default n
	help
	  Enable General-Purpose Wake-Up (Voltage Regulator Power-Up)

config PM_BFIN_WAKE_USB
	bool "Allow Wake-Up from on-chip USB"
	depends on PM && (BF54x || BF52x)
	default n
	help
	  Enable USB Wake-Up (Voltage Regulator Power-Up)

config PM_BFIN_WAKE_KEYPAD
	bool "Allow Wake-Up from on-chip Keypad"
	depends on PM && BF54x
	default n
	help
	  Enable Keypad Wake-Up (Voltage Regulator Power-Up)

config PM_BFIN_WAKE_ROTARY
	bool "Allow Wake-Up from on-chip Rotary"
	depends on PM && BF54x
	default n
	help
	  Enable Rotary Wake-Up (Voltage Regulator Power-Up)

B
Bryan Wu 已提交
994 995 996 997 998 999
endmenu

menu "CPU Frequency scaling"

source "drivers/cpufreq/Kconfig"

1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010
config CPU_VOLTAGE
	bool "CPU Voltage scaling"
	depends on EXPERIMENTAL	
	depends on CPU_FREQ
	default n
	help
	  Say Y here if you want CPU voltage scaling according to the CPU frequency.
	  This option violates the PLL BYPASS recommendation in the Blackfin Processor
	  manuals. There is a theoretical risk that during VDDINT transitions 
	  the PLL may unlock.

B
Bryan Wu 已提交
1011 1012 1013 1014 1015 1016 1017 1018
endmenu

source "net/Kconfig"

source "drivers/Kconfig"

source "fs/Kconfig"

1019
source "arch/blackfin/Kconfig.debug"
B
Bryan Wu 已提交
1020 1021 1022 1023 1024 1025

source "security/Kconfig"

source "crypto/Kconfig"

source "lib/Kconfig"