Kconfig 22 KB

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  1. #
  2. # For a description of the syntax of this configuration file,
  3. # see Documentation/kbuild/kconfig-language.txt.
  4. #
  5. mainmenu "Blackfin Kernel Configuration"
  6. config MMU
  7. bool
  8. default n
  9. config FPU
  10. bool
  11. default n
  12. config RWSEM_GENERIC_SPINLOCK
  13. bool
  14. default y
  15. config RWSEM_XCHGADD_ALGORITHM
  16. bool
  17. default n
  18. config BLACKFIN
  19. bool
  20. default y
  21. select HAVE_IDE
  22. select HAVE_OPROFILE
  23. config ZONE_DMA
  24. bool
  25. default y
  26. config GENERIC_FIND_NEXT_BIT
  27. bool
  28. default y
  29. config GENERIC_HWEIGHT
  30. bool
  31. default y
  32. config GENERIC_HARDIRQS
  33. bool
  34. default y
  35. config GENERIC_IRQ_PROBE
  36. bool
  37. default y
  38. config GENERIC_GPIO
  39. bool
  40. default y
  41. config FORCE_MAX_ZONEORDER
  42. int
  43. default "14"
  44. config GENERIC_CALIBRATE_DELAY
  45. bool
  46. default y
  47. config HARDWARE_PM
  48. def_bool y
  49. depends on OPROFILE
  50. source "init/Kconfig"
  51. source "kernel/Kconfig.preempt"
  52. menu "Blackfin Processor Options"
  53. comment "Processor and Board Settings"
  54. choice
  55. prompt "CPU"
  56. default BF533
  57. config BF522
  58. bool "BF522"
  59. help
  60. BF522 Processor Support.
  61. config BF523
  62. bool "BF523"
  63. help
  64. BF523 Processor Support.
  65. config BF524
  66. bool "BF524"
  67. help
  68. BF524 Processor Support.
  69. config BF525
  70. bool "BF525"
  71. help
  72. BF525 Processor Support.
  73. config BF526
  74. bool "BF526"
  75. help
  76. BF526 Processor Support.
  77. config BF527
  78. bool "BF527"
  79. help
  80. BF527 Processor Support.
  81. config BF531
  82. bool "BF531"
  83. help
  84. BF531 Processor Support.
  85. config BF532
  86. bool "BF532"
  87. help
  88. BF532 Processor Support.
  89. config BF533
  90. bool "BF533"
  91. help
  92. BF533 Processor Support.
  93. config BF534
  94. bool "BF534"
  95. help
  96. BF534 Processor Support.
  97. config BF536
  98. bool "BF536"
  99. help
  100. BF536 Processor Support.
  101. config BF537
  102. bool "BF537"
  103. help
  104. BF537 Processor Support.
  105. config BF542
  106. bool "BF542"
  107. help
  108. BF542 Processor Support.
  109. config BF544
  110. bool "BF544"
  111. help
  112. BF544 Processor Support.
  113. config BF547
  114. bool "BF547"
  115. help
  116. BF547 Processor Support.
  117. config BF548
  118. bool "BF548"
  119. help
  120. BF548 Processor Support.
  121. config BF549
  122. bool "BF549"
  123. help
  124. BF549 Processor Support.
  125. config BF561
  126. bool "BF561"
  127. help
  128. Not Supported Yet - Work in progress - BF561 Processor Support.
  129. endchoice
  130. choice
  131. prompt "Silicon Rev"
  132. default BF_REV_0_1 if BF527
  133. default BF_REV_0_2 if BF537
  134. default BF_REV_0_3 if BF533
  135. default BF_REV_0_0 if BF549
  136. config BF_REV_0_0
  137. bool "0.0"
  138. depends on (BF52x || BF54x)
  139. config BF_REV_0_1
  140. bool "0.1"
  141. depends on (BF52x || BF54x)
  142. config BF_REV_0_2
  143. bool "0.2"
  144. depends on (BF537 || BF536 || BF534)
  145. config BF_REV_0_3
  146. bool "0.3"
  147. depends on (BF561 || BF537 || BF536 || BF534 || BF533 || BF532 || BF531)
  148. config BF_REV_0_4
  149. bool "0.4"
  150. depends on (BF561 || BF533 || BF532 || BF531)
  151. config BF_REV_0_5
  152. bool "0.5"
  153. depends on (BF561 || BF533 || BF532 || BF531)
  154. config BF_REV_ANY
  155. bool "any"
  156. config BF_REV_NONE
  157. bool "none"
  158. endchoice
  159. config BF52x
  160. bool
  161. depends on (BF522 || BF523 || BF524 || BF525 || BF526 || BF527)
  162. default y
  163. config BF53x
  164. bool
  165. depends on (BF531 || BF532 || BF533 || BF534 || BF536 || BF537)
  166. default y
  167. config BF54x
  168. bool
  169. depends on (BF542 || BF544 || BF547 || BF548 || BF549)
  170. default y
  171. config MEM_GENERIC_BOARD
  172. bool
  173. depends on GENERIC_BOARD
  174. default y
  175. config MEM_MT48LC64M4A2FB_7E
  176. bool
  177. depends on (BFIN533_STAMP)
  178. default y
  179. config MEM_MT48LC16M16A2TG_75
  180. bool
  181. depends on (BFIN533_EZKIT || BFIN561_EZKIT \
  182. || BFIN533_BLUETECHNIX_CM || BFIN537_BLUETECHNIX_CM \
  183. || H8606_HVSISTEMAS)
  184. default y
  185. config MEM_MT48LC32M8A2_75
  186. bool
  187. depends on (BFIN537_STAMP || PNAV10)
  188. default y
  189. config MEM_MT48LC8M32B2B5_7
  190. bool
  191. depends on (BFIN561_BLUETECHNIX_CM)
  192. default y
  193. config MEM_MT48LC32M16A2TG_75
  194. bool
  195. depends on (BFIN527_EZKIT || BFIN532_IP0X)
  196. default y
  197. source "arch/blackfin/mach-bf527/Kconfig"
  198. source "arch/blackfin/mach-bf533/Kconfig"
  199. source "arch/blackfin/mach-bf561/Kconfig"
  200. source "arch/blackfin/mach-bf537/Kconfig"
  201. source "arch/blackfin/mach-bf548/Kconfig"
  202. menu "Board customizations"
  203. config CMDLINE_BOOL
  204. bool "Default bootloader kernel arguments"
  205. config CMDLINE
  206. string "Initial kernel command string"
  207. depends on CMDLINE_BOOL
  208. default "console=ttyBF0,57600"
  209. help
  210. If you don't have a boot loader capable of passing a command line string
  211. to the kernel, you may specify one here. As a minimum, you should specify
  212. the memory size and the root device (e.g., mem=8M, root=/dev/nfs).
  213. config BOOT_LOAD
  214. hex "Kernel load address for booting"
  215. default "0x1000"
  216. range 0x1000 0x20000000
  217. help
  218. This option allows you to set the load address of the kernel.
  219. This can be useful if you are on a board which has a small amount
  220. of memory or you wish to reserve some memory at the beginning of
  221. the address space.
  222. Note that you need to keep this value above 4k (0x1000) as this
  223. memory region is used to capture NULL pointer references as well
  224. as some core kernel functions.
  225. comment "Clock/PLL Setup"
  226. config CLKIN_HZ
  227. int "Crystal Frequency in Hz"
  228. default "11059200" if BFIN533_STAMP
  229. default "27000000" if BFIN533_EZKIT
  230. default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS)
  231. default "30000000" if BFIN561_EZKIT
  232. default "24576000" if PNAV10
  233. default "10000000" if BFIN532_IP0X
  234. help
  235. The frequency of CLKIN crystal oscillator on the board in Hz.
  236. config BFIN_KERNEL_CLOCK
  237. bool "Re-program Clocks while Kernel boots?"
  238. default n
  239. help
  240. This option decides if kernel clocks are re-programed from the
  241. bootloader settings. If the clocks are not set, the SDRAM settings
  242. are also not changed, and the Bootloader does 100% of the hardware
  243. configuration.
  244. config MEM_SIZE
  245. int "SDRAM Memory Size in MBytes"
  246. depends on BFIN_KERNEL_CLOCK
  247. default 64
  248. config MEM_ADD_WIDTH
  249. int "Memory Address Width"
  250. depends on BFIN_KERNEL_CLOCK
  251. depends on (!BF54x)
  252. range 8 11
  253. default 9 if BFIN533_EZKIT
  254. default 9 if BFIN561_EZKIT
  255. default 9 if H8606_HVSISTEMAS
  256. default 10 if BFIN527_EZKIT
  257. default 10 if BFIN537_STAMP
  258. default 11 if BFIN533_STAMP
  259. default 10 if PNAV10
  260. default 10 if BFIN532_IP0X
  261. config PLL_BYPASS
  262. bool "Bypass PLL"
  263. depends on BFIN_KERNEL_CLOCK
  264. default n
  265. config CLKIN_HALF
  266. bool "Half Clock In"
  267. depends on BFIN_KERNEL_CLOCK && (! PLL_BYPASS)
  268. default n
  269. help
  270. If this is set the clock will be divided by 2, before it goes to the PLL.
  271. config VCO_MULT
  272. int "VCO Multiplier"
  273. depends on BFIN_KERNEL_CLOCK && (! PLL_BYPASS)
  274. range 1 64
  275. default "22" if BFIN533_EZKIT
  276. default "45" if BFIN533_STAMP
  277. default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM)
  278. default "22" if BFIN533_BLUETECHNIX_CM
  279. default "20" if BFIN537_BLUETECHNIX_CM
  280. default "20" if BFIN561_BLUETECHNIX_CM
  281. default "20" if BFIN561_EZKIT
  282. default "16" if H8606_HVSISTEMAS
  283. help
  284. This controls the frequency of the on-chip PLL. This can be between 1 and 64.
  285. PLL Frequency = (Crystal Frequency) * (this setting)
  286. choice
  287. prompt "Core Clock Divider"
  288. depends on BFIN_KERNEL_CLOCK
  289. default CCLK_DIV_1
  290. help
  291. This sets the frequency of the core. It can be 1, 2, 4 or 8
  292. Core Frequency = (PLL frequency) / (this setting)
  293. config CCLK_DIV_1
  294. bool "1"
  295. config CCLK_DIV_2
  296. bool "2"
  297. config CCLK_DIV_4
  298. bool "4"
  299. config CCLK_DIV_8
  300. bool "8"
  301. endchoice
  302. config SCLK_DIV
  303. int "System Clock Divider"
  304. depends on BFIN_KERNEL_CLOCK
  305. range 1 15
  306. default 5
  307. help
  308. This sets the frequency of the system clock (including SDRAM or DDR).
  309. This can be between 1 and 15
  310. System Clock = (PLL frequency) / (this setting)
  311. config MAX_MEM_SIZE
  312. int "Max SDRAM Memory Size in MBytes"
  313. depends on !BFIN_KERNEL_CLOCK && !MPU
  314. default 512
  315. help
  316. This is the max memory size that the kernel will create CPLB
  317. tables for. Your system will not be able to handle any more.
  318. choice
  319. prompt "DDR SDRAM Chip Type"
  320. depends on BFIN_KERNEL_CLOCK
  321. depends on BF54x
  322. default MEM_MT46V32M16_5B
  323. config MEM_MT46V32M16_6T
  324. bool "MT46V32M16_6T"
  325. config MEM_MT46V32M16_5B
  326. bool "MT46V32M16_5B"
  327. endchoice
  328. #
  329. # Max & Min Speeds for various Chips
  330. #
  331. config MAX_VCO_HZ
  332. int
  333. default 600000000 if BF522
  334. default 400000000 if BF523
  335. default 400000000 if BF524
  336. default 600000000 if BF525
  337. default 400000000 if BF526
  338. default 600000000 if BF527
  339. default 400000000 if BF531
  340. default 400000000 if BF532
  341. default 750000000 if BF533
  342. default 500000000 if BF534
  343. default 400000000 if BF536
  344. default 600000000 if BF537
  345. default 533333333 if BF538
  346. default 533333333 if BF539
  347. default 600000000 if BF542
  348. default 533333333 if BF544
  349. default 600000000 if BF547
  350. default 600000000 if BF548
  351. default 533333333 if BF549
  352. default 600000000 if BF561
  353. config MIN_VCO_HZ
  354. int
  355. default 50000000
  356. config MAX_SCLK_HZ
  357. int
  358. default 133333333
  359. config MIN_SCLK_HZ
  360. int
  361. default 27000000
  362. comment "Kernel Timer/Scheduler"
  363. source kernel/Kconfig.hz
  364. config GENERIC_TIME
  365. bool "Generic time"
  366. default y
  367. config GENERIC_CLOCKEVENTS
  368. bool "Generic clock events"
  369. depends on GENERIC_TIME
  370. default y
  371. config CYCLES_CLOCKSOURCE
  372. bool "Use 'CYCLES' as a clocksource (EXPERIMENTAL)"
  373. depends on EXPERIMENTAL
  374. depends on GENERIC_CLOCKEVENTS
  375. depends on !BFIN_SCRATCH_REG_CYCLES
  376. default n
  377. help
  378. If you say Y here, you will enable support for using the 'cycles'
  379. registers as a clock source. Doing so means you will be unable to
  380. safely write to the 'cycles' register during runtime. You will
  381. still be able to read it (such as for performance monitoring), but
  382. writing the registers will most likely crash the kernel.
  383. source kernel/time/Kconfig
  384. comment "Memory Setup"
  385. comment "Misc"
  386. config ENET_FLASH_PIN
  387. int "PF port/pin used for flash and ethernet sharing"
  388. depends on (BFIN533_STAMP)
  389. default 0
  390. help
  391. PF port/pin used for flash and ethernet sharing to allow other PF
  392. pins to be used on other platforms without having to touch common
  393. code.
  394. For example: PF0 --> 0,PF1 --> 1,PF2 --> 2, etc.
  395. choice
  396. prompt "Blackfin Exception Scratch Register"
  397. default BFIN_SCRATCH_REG_RETN
  398. help
  399. Select the resource to reserve for the Exception handler:
  400. - RETN: Non-Maskable Interrupt (NMI)
  401. - RETE: Exception Return (JTAG/ICE)
  402. - CYCLES: Performance counter
  403. If you are unsure, please select "RETN".
  404. config BFIN_SCRATCH_REG_RETN
  405. bool "RETN"
  406. help
  407. Use the RETN register in the Blackfin exception handler
  408. as a stack scratch register. This means you cannot
  409. safely use NMI on the Blackfin while running Linux, but
  410. you can debug the system with a JTAG ICE and use the
  411. CYCLES performance registers.
  412. If you are unsure, please select "RETN".
  413. config BFIN_SCRATCH_REG_RETE
  414. bool "RETE"
  415. help
  416. Use the RETE register in the Blackfin exception handler
  417. as a stack scratch register. This means you cannot
  418. safely use a JTAG ICE while debugging a Blackfin board,
  419. but you can safely use the CYCLES performance registers
  420. and the NMI.
  421. If you are unsure, please select "RETN".
  422. config BFIN_SCRATCH_REG_CYCLES
  423. bool "CYCLES"
  424. help
  425. Use the CYCLES register in the Blackfin exception handler
  426. as a stack scratch register. This means you cannot
  427. safely use the CYCLES performance registers on a Blackfin
  428. board at anytime, but you can debug the system with a JTAG
  429. ICE and use the NMI.
  430. If you are unsure, please select "RETN".
  431. endchoice
  432. endmenu
  433. menu "Blackfin Kernel Optimizations"
  434. comment "Memory Optimizations"
  435. config I_ENTRY_L1
  436. bool "Locate interrupt entry code in L1 Memory"
  437. default y
  438. help
  439. If enabled, interrupt entry code (STORE/RESTORE CONTEXT) is linked
  440. into L1 instruction memory. (less latency)
  441. config EXCPT_IRQ_SYSC_L1
  442. bool "Locate entire ASM lowlevel exception / interrupt - Syscall and CPLB handler code in L1 Memory"
  443. default y
  444. help
  445. If enabled, the entire ASM lowlevel exception and interrupt entry code
  446. (STORE/RESTORE CONTEXT) is linked into L1 instruction memory.
  447. (less latency)
  448. config DO_IRQ_L1
  449. bool "Locate frequently called do_irq dispatcher function in L1 Memory"
  450. default y
  451. help
  452. If enabled, the frequently called do_irq dispatcher function is linked
  453. into L1 instruction memory. (less latency)
  454. config CORE_TIMER_IRQ_L1
  455. bool "Locate frequently called timer_interrupt() function in L1 Memory"
  456. default y
  457. help
  458. If enabled, the frequently called timer_interrupt() function is linked
  459. into L1 instruction memory. (less latency)
  460. config IDLE_L1
  461. bool "Locate frequently idle function in L1 Memory"
  462. default y
  463. help
  464. If enabled, the frequently called idle function is linked
  465. into L1 instruction memory. (less latency)
  466. config SCHEDULE_L1
  467. bool "Locate kernel schedule function in L1 Memory"
  468. default y
  469. help
  470. If enabled, the frequently called kernel schedule is linked
  471. into L1 instruction memory. (less latency)
  472. config ARITHMETIC_OPS_L1
  473. bool "Locate kernel owned arithmetic functions in L1 Memory"
  474. default y
  475. help
  476. If enabled, arithmetic functions are linked
  477. into L1 instruction memory. (less latency)
  478. config ACCESS_OK_L1
  479. bool "Locate access_ok function in L1 Memory"
  480. default y
  481. help
  482. If enabled, the access_ok function is linked
  483. into L1 instruction memory. (less latency)
  484. config MEMSET_L1
  485. bool "Locate memset function in L1 Memory"
  486. default y
  487. help
  488. If enabled, the memset function is linked
  489. into L1 instruction memory. (less latency)
  490. config MEMCPY_L1
  491. bool "Locate memcpy function in L1 Memory"
  492. default y
  493. help
  494. If enabled, the memcpy function is linked
  495. into L1 instruction memory. (less latency)
  496. config SYS_BFIN_SPINLOCK_L1
  497. bool "Locate sys_bfin_spinlock function in L1 Memory"
  498. default y
  499. help
  500. If enabled, sys_bfin_spinlock function is linked
  501. into L1 instruction memory. (less latency)
  502. config IP_CHECKSUM_L1
  503. bool "Locate IP Checksum function in L1 Memory"
  504. default n
  505. help
  506. If enabled, the IP Checksum function is linked
  507. into L1 instruction memory. (less latency)
  508. config CACHELINE_ALIGNED_L1
  509. bool "Locate cacheline_aligned data to L1 Data Memory"
  510. default y if !BF54x
  511. default n if BF54x
  512. depends on !BF531
  513. help
  514. If enabled, cacheline_anligned data is linked
  515. into L1 data memory. (less latency)
  516. config SYSCALL_TAB_L1
  517. bool "Locate Syscall Table L1 Data Memory"
  518. default n
  519. depends on !BF531
  520. help
  521. If enabled, the Syscall LUT is linked
  522. into L1 data memory. (less latency)
  523. config CPLB_SWITCH_TAB_L1
  524. bool "Locate CPLB Switch Tables L1 Data Memory"
  525. default n
  526. depends on !BF531
  527. help
  528. If enabled, the CPLB Switch Tables are linked
  529. into L1 data memory. (less latency)
  530. endmenu
  531. choice
  532. prompt "Kernel executes from"
  533. help
  534. Choose the memory type that the kernel will be running in.
  535. config RAMKERNEL
  536. bool "RAM"
  537. help
  538. The kernel will be resident in RAM when running.
  539. config ROMKERNEL
  540. bool "ROM"
  541. help
  542. The kernel will be resident in FLASH/ROM when running.
  543. endchoice
  544. source "mm/Kconfig"
  545. config BFIN_GPTIMERS
  546. tristate "Enable Blackfin General Purpose Timers API"
  547. default n
  548. help
  549. Enable support for the General Purpose Timers API. If you
  550. are unsure, say N.
  551. To compile this driver as a module, choose M here: the module
  552. will be called gptimers.ko.
  553. config BFIN_DMA_5XX
  554. bool "Enable DMA Support"
  555. depends on (BF52x || BF53x || BF561 || BF54x)
  556. default y
  557. help
  558. DMA driver for BF5xx.
  559. choice
  560. prompt "Uncached SDRAM region"
  561. default DMA_UNCACHED_1M
  562. depends on BFIN_DMA_5XX
  563. config DMA_UNCACHED_2M
  564. bool "Enable 2M DMA region"
  565. config DMA_UNCACHED_1M
  566. bool "Enable 1M DMA region"
  567. config DMA_UNCACHED_NONE
  568. bool "Disable DMA region"
  569. endchoice
  570. comment "Cache Support"
  571. config BFIN_ICACHE
  572. bool "Enable ICACHE"
  573. config BFIN_DCACHE
  574. bool "Enable DCACHE"
  575. config BFIN_DCACHE_BANKA
  576. bool "Enable only 16k BankA DCACHE - BankB is SRAM"
  577. depends on BFIN_DCACHE && !BF531
  578. default n
  579. config BFIN_ICACHE_LOCK
  580. bool "Enable Instruction Cache Locking"
  581. choice
  582. prompt "Policy"
  583. depends on BFIN_DCACHE
  584. default BFIN_WB
  585. config BFIN_WB
  586. bool "Write back"
  587. help
  588. Write Back Policy:
  589. Cached data will be written back to SDRAM only when needed.
  590. This can give a nice increase in performance, but beware of
  591. broken drivers that do not properly invalidate/flush their
  592. cache.
  593. Write Through Policy:
  594. Cached data will always be written back to SDRAM when the
  595. cache is updated. This is a completely safe setting, but
  596. performance is worse than Write Back.
  597. If you are unsure of the options and you want to be safe,
  598. then go with Write Through.
  599. config BFIN_WT
  600. bool "Write through"
  601. help
  602. Write Back Policy:
  603. Cached data will be written back to SDRAM only when needed.
  604. This can give a nice increase in performance, but beware of
  605. broken drivers that do not properly invalidate/flush their
  606. cache.
  607. Write Through Policy:
  608. Cached data will always be written back to SDRAM when the
  609. cache is updated. This is a completely safe setting, but
  610. performance is worse than Write Back.
  611. If you are unsure of the options and you want to be safe,
  612. then go with Write Through.
  613. endchoice
  614. config L1_MAX_PIECE
  615. int "Set the max L1 SRAM pieces"
  616. default 16
  617. help
  618. Set the max memory pieces for the L1 SRAM allocation algorithm.
  619. Min value is 16. Max value is 1024.
  620. config MPU
  621. bool "Enable the memory protection unit (EXPERIMENTAL)"
  622. default n
  623. help
  624. Use the processor's MPU to protect applications from accessing
  625. memory they do not own. This comes at a performance penalty
  626. and is recommended only for debugging.
  627. comment "Asynchonous Memory Configuration"
  628. menu "EBIU_AMGCTL Global Control"
  629. config C_AMCKEN
  630. bool "Enable CLKOUT"
  631. default y
  632. config C_CDPRIO
  633. bool "DMA has priority over core for ext. accesses"
  634. default n
  635. config C_B0PEN
  636. depends on BF561
  637. bool "Bank 0 16 bit packing enable"
  638. default y
  639. config C_B1PEN
  640. depends on BF561
  641. bool "Bank 1 16 bit packing enable"
  642. default y
  643. config C_B2PEN
  644. depends on BF561
  645. bool "Bank 2 16 bit packing enable"
  646. default y
  647. config C_B3PEN
  648. depends on BF561
  649. bool "Bank 3 16 bit packing enable"
  650. default n
  651. choice
  652. prompt"Enable Asynchonous Memory Banks"
  653. default C_AMBEN_ALL
  654. config C_AMBEN
  655. bool "Disable All Banks"
  656. config C_AMBEN_B0
  657. bool "Enable Bank 0"
  658. config C_AMBEN_B0_B1
  659. bool "Enable Bank 0 & 1"
  660. config C_AMBEN_B0_B1_B2
  661. bool "Enable Bank 0 & 1 & 2"
  662. config C_AMBEN_ALL
  663. bool "Enable All Banks"
  664. endchoice
  665. endmenu
  666. menu "EBIU_AMBCTL Control"
  667. config BANK_0
  668. hex "Bank 0"
  669. default 0x7BB0
  670. config BANK_1
  671. hex "Bank 1"
  672. default 0x7BB0
  673. config BANK_2
  674. hex "Bank 2"
  675. default 0x7BB0
  676. config BANK_3
  677. hex "Bank 3"
  678. default 0x99B3
  679. endmenu
  680. config EBIU_MBSCTLVAL
  681. hex "EBIU Bank Select Control Register"
  682. depends on BF54x
  683. default 0
  684. config EBIU_MODEVAL
  685. hex "Flash Memory Mode Control Register"
  686. depends on BF54x
  687. default 1
  688. config EBIU_FCTLVAL
  689. hex "Flash Memory Bank Control Register"
  690. depends on BF54x
  691. default 6
  692. endmenu
  693. #############################################################################
  694. menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
  695. config PCI
  696. bool "PCI support"
  697. help
  698. Support for PCI bus.
  699. source "drivers/pci/Kconfig"
  700. config HOTPLUG
  701. bool "Support for hot-pluggable device"
  702. help
  703. Say Y here if you want to plug devices into your computer while
  704. the system is running, and be able to use them quickly. In many
  705. cases, the devices can likewise be unplugged at any time too.
  706. One well known example of this is PCMCIA- or PC-cards, credit-card
  707. size devices such as network cards, modems or hard drives which are
  708. plugged into slots found on all modern laptop computers. Another
  709. example, used on modern desktops as well as laptops, is USB.
  710. Enable HOTPLUG and KMOD, and build a modular kernel. Get agent
  711. software (at <http://linux-hotplug.sourceforge.net/>) and install it.
  712. Then your kernel will automatically call out to a user mode "policy
  713. agent" (/sbin/hotplug) to load modules and set up software needed
  714. to use devices as you hotplug them.
  715. source "drivers/pcmcia/Kconfig"
  716. source "drivers/pci/hotplug/Kconfig"
  717. endmenu
  718. menu "Executable file formats"
  719. source "fs/Kconfig.binfmt"
  720. endmenu
  721. menu "Power management options"
  722. source "kernel/power/Kconfig"
  723. config ARCH_SUSPEND_POSSIBLE
  724. def_bool y
  725. depends on !SMP
  726. choice
  727. prompt "Default Power Saving Mode"
  728. depends on PM
  729. default PM_BFIN_SLEEP_DEEPER
  730. config PM_BFIN_SLEEP_DEEPER
  731. bool "Sleep Deeper"
  732. help
  733. Sleep "Deeper" Mode (High Power Savings) - This mode reduces dynamic
  734. power dissipation by disabling the clock to the processor core (CCLK).
  735. Furthermore, Standby sets the internal power supply voltage (VDDINT)
  736. to 0.85 V to provide the greatest power savings, while preserving the
  737. processor state.
  738. The PLL and system clock (SCLK) continue to operate at a very low
  739. frequency of about 3.3 MHz. To preserve data integrity in the SDRAM,
  740. the SDRAM is put into Self Refresh Mode. Typically an external event
  741. such as GPIO interrupt or RTC activity wakes up the processor.
  742. Various Peripherals such as UART, SPORT, PPI may not function as
  743. normal during Sleep Deeper, due to the reduced SCLK frequency.
  744. When in the sleep mode, system DMA access to L1 memory is not supported.
  745. config PM_BFIN_SLEEP
  746. bool "Sleep"
  747. help
  748. Sleep Mode (High Power Savings) - The sleep mode reduces power
  749. dissipation by disabling the clock to the processor core (CCLK).
  750. The PLL and system clock (SCLK), however, continue to operate in
  751. this mode. Typically an external event or RTC activity will wake
  752. up the processor. When in the sleep mode,
  753. system DMA access to L1 memory is not supported.
  754. endchoice
  755. config PM_WAKEUP_BY_GPIO
  756. bool "Cause Wakeup Event by GPIO"
  757. config PM_WAKEUP_GPIO_NUMBER
  758. int "Wakeup GPIO number"
  759. range 0 47
  760. depends on PM_WAKEUP_BY_GPIO
  761. default 2 if BFIN537_STAMP
  762. choice
  763. prompt "GPIO Polarity"
  764. depends on PM_WAKEUP_BY_GPIO
  765. default PM_WAKEUP_GPIO_POLAR_H
  766. config PM_WAKEUP_GPIO_POLAR_H
  767. bool "Active High"
  768. config PM_WAKEUP_GPIO_POLAR_L
  769. bool "Active Low"
  770. config PM_WAKEUP_GPIO_POLAR_EDGE_F
  771. bool "Falling EDGE"
  772. config PM_WAKEUP_GPIO_POLAR_EDGE_R
  773. bool "Rising EDGE"
  774. config PM_WAKEUP_GPIO_POLAR_EDGE_B
  775. bool "Both EDGE"
  776. endchoice
  777. endmenu
  778. if (BF537 || BF533 || BF54x)
  779. menu "CPU Frequency scaling"
  780. source "drivers/cpufreq/Kconfig"
  781. config CPU_FREQ
  782. bool
  783. default n
  784. help
  785. If you want to enable this option, you should select the
  786. DPMC driver from Character Devices.
  787. endmenu
  788. endif
  789. source "net/Kconfig"
  790. source "drivers/Kconfig"
  791. source "fs/Kconfig"
  792. source "arch/blackfin/Kconfig.debug"
  793. source "security/Kconfig"
  794. source "crypto/Kconfig"
  795. source "lib/Kconfig"