19d041268SAndrew Victorif ARCH_AT91 29d041268SAndrew Victor 39d041268SAndrew Victormenu "Atmel AT91 System-on-Chip" 49d041268SAndrew Victor 59d041268SAndrew Victorchoice 69d041268SAndrew Victor prompt "Atmel AT91 Processor" 79d041268SAndrew Victor 89d041268SAndrew Victorconfig ARCH_AT91RM9200 99d041268SAndrew Victor bool "AT91RM9200" 10c750815eSRussell King select CPU_ARM920T 115e802dfaSDavid Brownell select GENERIC_TIME 125e802dfaSDavid Brownell select GENERIC_CLOCKEVENTS 139d041268SAndrew Victor 149d041268SAndrew Victorconfig ARCH_AT91SAM9260 15f7eee89bSAndrew Victor bool "AT91SAM9260 or AT91SAM9XE" 16c750815eSRussell King select CPU_ARM926T 17ad48ce74SAndrew Victor select GENERIC_TIME 18ad48ce74SAndrew Victor select GENERIC_CLOCKEVENTS 199d041268SAndrew Victor 209d041268SAndrew Victorconfig ARCH_AT91SAM9261 219d041268SAndrew Victor bool "AT91SAM9261" 22c750815eSRussell King select CPU_ARM926T 23ad48ce74SAndrew Victor select GENERIC_TIME 24ad48ce74SAndrew Victor select GENERIC_CLOCKEVENTS 259d041268SAndrew Victor 26b2c65616SAndrew Victorconfig ARCH_AT91SAM9263 27b2c65616SAndrew Victor bool "AT91SAM9263" 28c750815eSRussell King select CPU_ARM926T 29ad48ce74SAndrew Victor select GENERIC_TIME 30ad48ce74SAndrew Victor select GENERIC_CLOCKEVENTS 31b2c65616SAndrew Victor 32877d7720SAndrew Victorconfig ARCH_AT91SAM9RL 33877d7720SAndrew Victor bool "AT91SAM9RL" 34c750815eSRussell King select CPU_ARM926T 35ad48ce74SAndrew Victor select GENERIC_TIME 36ad48ce74SAndrew Victor select GENERIC_CLOCKEVENTS 37877d7720SAndrew Victor 3861352667Ssedji gaouaouconfig ARCH_AT91SAM9G20 3961352667Ssedji gaouaou bool "AT91SAM9G20" 40c750815eSRussell King select CPU_ARM926T 4161352667Ssedji gaouaou select GENERIC_TIME 4261352667Ssedji gaouaou select GENERIC_CLOCKEVENTS 4361352667Ssedji gaouaou 44*789b23bcSNicolas Ferreconfig ARCH_AT91SAM9G45 45*789b23bcSNicolas Ferre bool "AT91SAM9G45" 46*789b23bcSNicolas Ferre select CPU_ARM926T 47*789b23bcSNicolas Ferre select GENERIC_TIME 48*789b23bcSNicolas Ferre select GENERIC_CLOCKEVENTS 49*789b23bcSNicolas Ferre 502b3b3516SAndrew Victorconfig ARCH_AT91CAP9 512b3b3516SAndrew Victor bool "AT91CAP9" 52c750815eSRussell King select CPU_ARM926T 53ad48ce74SAndrew Victor select GENERIC_TIME 54ad48ce74SAndrew Victor select GENERIC_CLOCKEVENTS 552b3b3516SAndrew Victor 569f1ccefeSGreg Ungererconfig ARCH_AT91X40 579f1ccefeSGreg Ungerer bool "AT91x40" 589f1ccefeSGreg Ungerer 599d041268SAndrew Victorendchoice 609d041268SAndrew Victor 619f1ccefeSGreg Ungererconfig AT91_PMC_UNIT 629f1ccefeSGreg Ungerer bool 639f1ccefeSGreg Ungerer default !ARCH_AT91X40 649f1ccefeSGreg Ungerer 659d041268SAndrew Victor# ---------------------------------------------------------- 669d041268SAndrew Victor 679d041268SAndrew Victorif ARCH_AT91RM9200 689d041268SAndrew Victor 699d041268SAndrew Victorcomment "AT91RM9200 Board Type" 709d041268SAndrew Victor 719d041268SAndrew Victorconfig MACH_ONEARM 729d041268SAndrew Victor bool "Ajeco 1ARM Single Board Computer" 739d041268SAndrew Victor depends on ARCH_AT91RM9200 749d041268SAndrew Victor help 759d041268SAndrew Victor Select this if you are using Ajeco's 1ARM Single Board Computer. 769d041268SAndrew Victor <http://www.ajeco.fi/products.htm> 779d041268SAndrew Victor 789d041268SAndrew Victorconfig ARCH_AT91RM9200DK 799d041268SAndrew Victor bool "Atmel AT91RM9200-DK Development board" 809d041268SAndrew Victor depends on ARCH_AT91RM9200 819d041268SAndrew Victor help 829d041268SAndrew Victor Select this if you are using Atmel's AT91RM9200-DK Development board. 839d041268SAndrew Victor (Discontinued) 849d041268SAndrew Victor 859d041268SAndrew Victorconfig MACH_AT91RM9200EK 869d041268SAndrew Victor bool "Atmel AT91RM9200-EK Evaluation Kit" 879d041268SAndrew Victor depends on ARCH_AT91RM9200 889d041268SAndrew Victor help 899d041268SAndrew Victor Select this if you are using Atmel's AT91RM9200-EK Evaluation Kit. 909d041268SAndrew Victor <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3507> 919d041268SAndrew Victor 929d041268SAndrew Victorconfig MACH_CSB337 939d041268SAndrew Victor bool "Cogent CSB337" 949d041268SAndrew Victor depends on ARCH_AT91RM9200 959d041268SAndrew Victor help 969d041268SAndrew Victor Select this if you are using Cogent's CSB337 board. 979d041268SAndrew Victor <http://www.cogcomp.com/csb_csb337.htm> 989d041268SAndrew Victor 999d041268SAndrew Victorconfig MACH_CSB637 1009d041268SAndrew Victor bool "Cogent CSB637" 1019d041268SAndrew Victor depends on ARCH_AT91RM9200 1029d041268SAndrew Victor help 1039d041268SAndrew Victor Select this if you are using Cogent's CSB637 board. 1049d041268SAndrew Victor <http://www.cogcomp.com/csb_csb637.htm> 1059d041268SAndrew Victor 1069d041268SAndrew Victorconfig MACH_CARMEVA 1079d041268SAndrew Victor bool "Conitec ARM&EVA" 1089d041268SAndrew Victor depends on ARCH_AT91RM9200 1099d041268SAndrew Victor help 1109d041268SAndrew Victor Select this if you are using Conitec's AT91RM9200-MCU-Module. 1119d041268SAndrew Victor <http://www.conitec.net/english/linuxboard.htm> 1129d041268SAndrew Victor 1139d041268SAndrew Victorconfig MACH_ATEB9200 1149d041268SAndrew Victor bool "Embest ATEB9200" 1159d041268SAndrew Victor depends on ARCH_AT91RM9200 1169d041268SAndrew Victor help 1179d041268SAndrew Victor Select this if you are using Embest's ATEB9200 board. 1189d041268SAndrew Victor <http://www.embedinfo.com/english/product/ATEB9200.asp> 1199d041268SAndrew Victor 1209d041268SAndrew Victorconfig MACH_KB9200 1219d041268SAndrew Victor bool "KwikByte KB920x" 1229d041268SAndrew Victor depends on ARCH_AT91RM9200 1239d041268SAndrew Victor help 1249d041268SAndrew Victor Select this if you are using KwikByte's KB920x board. 1259d041268SAndrew Victor <http://kwikbyte.com/KB9202_description_new.htm> 1269d041268SAndrew Victor 1275d01f133SSimon Richterconfig MACH_PICOTUX2XX 1285d01f133SSimon Richter bool "picotux 200" 1295d01f133SSimon Richter depends on ARCH_AT91RM9200 1305d01f133SSimon Richter help 1315d01f133SSimon Richter Select this if you are using a picotux 200. 1325d01f133SSimon Richter <http://www.picotux.com/> 1335d01f133SSimon Richter 1349d041268SAndrew Victorconfig MACH_KAFA 1359d041268SAndrew Victor bool "Sperry-Sun KAFA board" 1369d041268SAndrew Victor depends on ARCH_AT91RM9200 1379d041268SAndrew Victor help 1389d041268SAndrew Victor Select this if you are using Sperry-Sun's KAFA board. 1399d041268SAndrew Victor 1402f036ac6SAndrew Victorconfig MACH_ECBAT91 1412f036ac6SAndrew Victor bool "emQbit ECB_AT91 SBC" 1422f036ac6SAndrew Victor depends on ARCH_AT91RM9200 1432f036ac6SAndrew Victor help 1442f036ac6SAndrew Victor Select this if you are using emQbit's ECB_AT91 board. 1452f036ac6SAndrew Victor <http://wiki.emqbit.com/free-ecb-at91> 1462f036ac6SAndrew Victor 147e3ba22dbSAndrew Victorconfig MACH_YL9200 148e3ba22dbSAndrew Victor bool "ucDragon YL-9200" 149e3ba22dbSAndrew Victor depends on ARCH_AT91RM9200 150e3ba22dbSAndrew Victor help 151e3ba22dbSAndrew Victor Select this if you are using the ucDragon YL-9200 board. 152e3ba22dbSAndrew Victor 1539d041268SAndrew Victorendif 1549d041268SAndrew Victor 1559d041268SAndrew Victor# ---------------------------------------------------------- 1569d041268SAndrew Victor 1579d041268SAndrew Victorif ARCH_AT91SAM9260 1589d041268SAndrew Victor 159f7eee89bSAndrew Victorcomment "AT91SAM9260 Variants" 1609d041268SAndrew Victor 161f7eee89bSAndrew Victorconfig ARCH_AT91SAM9260_SAM9XE 162f7eee89bSAndrew Victor bool "AT91SAM9XE" 1639d041268SAndrew Victor depends on ARCH_AT91SAM9260 1649d041268SAndrew Victor help 165f7eee89bSAndrew Victor Select this if you are using Atmel's AT91SAM9XE System-on-Chip. 166a982ac06SMatt LaPlante They are basically AT91SAM9260s with various sizes of embedded Flash. 167f7eee89bSAndrew Victor 168f7eee89bSAndrew Victorcomment "AT91SAM9260 / AT91SAM9XE Board Type" 169f7eee89bSAndrew Victor 170f7eee89bSAndrew Victorconfig MACH_AT91SAM9260EK 171f7eee89bSAndrew Victor bool "Atmel AT91SAM9260-EK / AT91SAM9XE Evaluation Kit" 172f7eee89bSAndrew Victor depends on ARCH_AT91SAM9260 173f7eee89bSAndrew Victor help 174f7eee89bSAndrew Victor Select this if you are using Atmel's AT91SAM9260-EK or AT91SAM9XE Evaluation Kit 1759d041268SAndrew Victor <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3933> 1769d041268SAndrew Victor 17735131fb6SAndrew Victorconfig MACH_CAM60 17835131fb6SAndrew Victor bool "KwikByte KB9260 (CAM60) board" 17935131fb6SAndrew Victor depends on ARCH_AT91SAM9260 18035131fb6SAndrew Victor help 18135131fb6SAndrew Victor Select this if you are using KwikByte's KB9260 (CAM60) board based on the Atmel AT91SAM9260. 18235131fb6SAndrew Victor <http://www.kwikbyte.com/KB9260.html> 18335131fb6SAndrew Victor 18466dbfc6cSAndrew Victorconfig MACH_SAM9_L9260 18566dbfc6cSAndrew Victor bool "Olimex SAM9-L9260 board" 18666dbfc6cSAndrew Victor depends on ARCH_AT91SAM9260 18766dbfc6cSAndrew Victor help 18866dbfc6cSAndrew Victor Select this if you are using Olimex's SAM9-L9260 board based on the Atmel AT91SAM9260. 18966dbfc6cSAndrew Victor <http://www.olimex.com/dev/sam9-L9260.html> 19066dbfc6cSAndrew Victor 1919c784f95SSergey Lapinconfig MACH_AFEB9260 1929c784f95SSergey Lapin bool "Custom afeb9260 board v1" 1939c784f95SSergey Lapin depends on ARCH_AT91SAM9260 1949c784f95SSergey Lapin help 1959c784f95SSergey Lapin Select this if you are using custom afeb9260 board based on 1969c784f95SSergey Lapin open hardware design. Select this for revision 1 of the board. 1979c784f95SSergey Lapin <svn://194.85.238.22/home/users/george/svn/arm9eb> 1989c784f95SSergey Lapin <http://groups.google.com/group/arm9fpga-evolution-board> 1999c784f95SSergey Lapin 200ca0a789aSAndrew Victorconfig MACH_USB_A9260 201ca0a789aSAndrew Victor bool "CALAO USB-A9260" 202ca0a789aSAndrew Victor depends on ARCH_AT91SAM9260 203ca0a789aSAndrew Victor help 204ca0a789aSAndrew Victor Select this if you are using a Calao Systems USB-A9260. 205ca0a789aSAndrew Victor <http://www.calao-systems.com> 206ca0a789aSAndrew Victor 207ca0a789aSAndrew Victorconfig MACH_QIL_A9260 208ca0a789aSAndrew Victor bool "CALAO QIL-A9260 board" 209ca0a789aSAndrew Victor depends on ARCH_AT91SAM9260 210ca0a789aSAndrew Victor help 211ca0a789aSAndrew Victor Select this if you are using a Calao Systems QIL-A9260 Board. 212ca0a789aSAndrew Victor <http://www.calao-systems.com> 213ca0a789aSAndrew Victor 2149d041268SAndrew Victorendif 2159d041268SAndrew Victor 2169d041268SAndrew Victor# ---------------------------------------------------------- 2179d041268SAndrew Victor 2189d041268SAndrew Victorif ARCH_AT91SAM9261 2199d041268SAndrew Victor 2209d041268SAndrew Victorcomment "AT91SAM9261 Board Type" 2219d041268SAndrew Victor 2229d041268SAndrew Victorconfig MACH_AT91SAM9261EK 2239d041268SAndrew Victor bool "Atmel AT91SAM9261-EK Evaluation Kit" 2249d041268SAndrew Victor depends on ARCH_AT91SAM9261 2259d041268SAndrew Victor help 2269d041268SAndrew Victor Select this if you are using Atmel's AT91SAM9261-EK Evaluation Kit. 2279d041268SAndrew Victor <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=3820> 2289d041268SAndrew Victor 2299d041268SAndrew Victorendif 2309d041268SAndrew Victor 2319d041268SAndrew Victor# ---------------------------------------------------------- 2329d041268SAndrew Victor 233e6d92e63SAndrew Victorif ARCH_AT91SAM9263 234e6d92e63SAndrew Victor 235e6d92e63SAndrew Victorcomment "AT91SAM9263 Board Type" 236e6d92e63SAndrew Victor 237e6d92e63SAndrew Victorconfig MACH_AT91SAM9263EK 238e6d92e63SAndrew Victor bool "Atmel AT91SAM9263-EK Evaluation Kit" 239e6d92e63SAndrew Victor depends on ARCH_AT91SAM9263 240e6d92e63SAndrew Victor help 241e6d92e63SAndrew Victor Select this if you are using Atmel's AT91SAM9263-EK Evaluation Kit. 242e6d92e63SAndrew Victor <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4057> 243e6d92e63SAndrew Victor 244ca0a789aSAndrew Victorconfig MACH_USB_A9263 245ca0a789aSAndrew Victor bool "CALAO USB-A9263" 246ca0a789aSAndrew Victor depends on ARCH_AT91SAM9263 247ca0a789aSAndrew Victor help 248ca0a789aSAndrew Victor Select this if you are using a Calao Systems USB-A9263. 249ca0a789aSAndrew Victor <http://www.calao-systems.com> 250ca0a789aSAndrew Victor 251ffc63b7dSAndrew Victorconfig MACH_NEOCORE926 252ffc63b7dSAndrew Victor bool "Adeneo NEOCORE926" 253ffc63b7dSAndrew Victor depends on ARCH_AT91SAM9263 254ffc63b7dSAndrew Victor help 255ffc63b7dSAndrew Victor Select this if you are using the Adeneo Neocore 926 board. 256ffc63b7dSAndrew Victor 257e6d92e63SAndrew Victorendif 258e6d92e63SAndrew Victor 259e6d92e63SAndrew Victor# ---------------------------------------------------------- 260e6d92e63SAndrew Victor 261c42dcb3dSAndrew Victorif ARCH_AT91SAM9RL 262c42dcb3dSAndrew Victor 263c42dcb3dSAndrew Victorcomment "AT91SAM9RL Board Type" 264c42dcb3dSAndrew Victor 265c42dcb3dSAndrew Victorconfig MACH_AT91SAM9RLEK 266c42dcb3dSAndrew Victor bool "Atmel AT91SAM9RL-EK Evaluation Kit" 267c42dcb3dSAndrew Victor depends on ARCH_AT91SAM9RL 268c42dcb3dSAndrew Victor help 269c42dcb3dSAndrew Victor Select this if you are using Atmel's AT91SAM9RL-EK Evaluation Kit. 270c42dcb3dSAndrew Victor 271c42dcb3dSAndrew Victorendif 272c42dcb3dSAndrew Victor 273c42dcb3dSAndrew Victor# ---------------------------------------------------------- 274c42dcb3dSAndrew Victor 27561352667Ssedji gaouaouif ARCH_AT91SAM9G20 27661352667Ssedji gaouaou 27761352667Ssedji gaouaoucomment "AT91SAM9G20 Board Type" 27861352667Ssedji gaouaou 27961352667Ssedji gaouaouconfig MACH_AT91SAM9G20EK 28061352667Ssedji gaouaou bool "Atmel AT91SAM9G20-EK Evaluation Kit" 28161352667Ssedji gaouaou depends on ARCH_AT91SAM9G20 28261352667Ssedji gaouaou help 28361352667Ssedji gaouaou Select this if you are using Atmel's AT91SAM9G20-EK Evaluation Kit. 28461352667Ssedji gaouaou 28561352667Ssedji gaouaouendif 28661352667Ssedji gaouaou 28761352667Ssedji gaouaou# ---------------------------------------------------------- 28861352667Ssedji gaouaou 289*789b23bcSNicolas Ferreif ARCH_AT91SAM9G45 290*789b23bcSNicolas Ferre 291*789b23bcSNicolas Ferrecomment "AT91SAM9G45 Board Type" 292*789b23bcSNicolas Ferre 293*789b23bcSNicolas Ferreconfig MACH_AT91SAM9G45EKES 294*789b23bcSNicolas Ferre bool "Atmel AT91SAM9G45-EKES Evaluation Kit" 295*789b23bcSNicolas Ferre depends on ARCH_AT91SAM9G45 296*789b23bcSNicolas Ferre help 297*789b23bcSNicolas Ferre Select this if you are using Atmel's AT91SAM9G45-EKES Evaluation Kit. 298*789b23bcSNicolas Ferre "ES" at the end of the name means that this board is an 299*789b23bcSNicolas Ferre Engineering Sample. 300*789b23bcSNicolas Ferre 301*789b23bcSNicolas Ferreendif 302*789b23bcSNicolas Ferre 303*789b23bcSNicolas Ferre# ---------------------------------------------------------- 304*789b23bcSNicolas Ferre 30586640caeSAndrew Victorif ARCH_AT91CAP9 30686640caeSAndrew Victor 30786640caeSAndrew Victorcomment "AT91CAP9 Board Type" 30886640caeSAndrew Victor 30986640caeSAndrew Victorconfig MACH_AT91CAP9ADK 31086640caeSAndrew Victor bool "Atmel AT91CAP9A-DK Evaluation Kit" 31186640caeSAndrew Victor depends on ARCH_AT91CAP9 31286640caeSAndrew Victor help 31386640caeSAndrew Victor Select this if you are using Atmel's AT91CAP9A-DK Evaluation Kit. 31486640caeSAndrew Victor <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4138> 31586640caeSAndrew Victor 31686640caeSAndrew Victorendif 31786640caeSAndrew Victor 31886640caeSAndrew Victor# ---------------------------------------------------------- 31986640caeSAndrew Victor 3209f1ccefeSGreg Ungererif ARCH_AT91X40 3219f1ccefeSGreg Ungerer 3229f1ccefeSGreg Ungerercomment "AT91X40 Board Type" 3239f1ccefeSGreg Ungerer 3249f1ccefeSGreg Ungererconfig MACH_AT91EB01 3259f1ccefeSGreg Ungerer bool "Atmel AT91EB01 Evaluation Kit" 3269f1ccefeSGreg Ungerer help 3279f1ccefeSGreg Ungerer Select this if you are using Atmel's AT91EB01 Evaluation Kit. 3289f1ccefeSGreg Ungerer It is also a popular target for simulators such as GDB's 3299f1ccefeSGreg Ungerer ARM simulator (commonly known as the ARMulator) and the 3309f1ccefeSGreg Ungerer Skyeye simulator. 3319f1ccefeSGreg Ungerer 3329f1ccefeSGreg Ungererendif 3339f1ccefeSGreg Ungerer 3349f1ccefeSGreg Ungerer# ---------------------------------------------------------- 3359f1ccefeSGreg Ungerer 3369d041268SAndrew Victorcomment "AT91 Board Options" 3379d041268SAndrew Victor 3389d041268SAndrew Victorconfig MTD_AT91_DATAFLASH_CARD 3399d041268SAndrew Victor bool "Enable DataFlash Card support" 340ffc63b7dSAndrew Victor depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_ECBAT91 || MACH_SAM9_L9260 || MACH_AT91CAP9ADK || MACH_NEOCORE926) 3419d041268SAndrew Victor help 3429d041268SAndrew Victor Enable support for the DataFlash card. 3439d041268SAndrew Victor 344f6ed6f78SPieter du Preezconfig MTD_NAND_ATMEL_BUSWIDTH_16 3459d041268SAndrew Victor bool "Enable 16-bit data bus interface to NAND flash" 346*789b23bcSNicolas Ferre depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91SAM9G20EK || MACH_AT91SAM9G45EKES || MACH_AT91CAP9ADK) 3479d041268SAndrew Victor help 3489d041268SAndrew Victor On AT91SAM926x boards both types of NAND flash can be present 3499d041268SAndrew Victor (8 and 16 bit data bus width). 3509d041268SAndrew Victor 3519d041268SAndrew Victor# ---------------------------------------------------------- 3529d041268SAndrew Victor 3539d041268SAndrew Victorcomment "AT91 Feature Selections" 3549d041268SAndrew Victor 3559d041268SAndrew Victorconfig AT91_PROGRAMMABLE_CLOCKS 3569d041268SAndrew Victor bool "Programmable Clocks" 3579d041268SAndrew Victor help 3589d041268SAndrew Victor Select this if you need to program one or more of the PCK0..PCK3 3599d041268SAndrew Victor programmable clock outputs. 3609d041268SAndrew Victor 361eaad2db0SAndrew Victorconfig AT91_SLOW_CLOCK 362eaad2db0SAndrew Victor bool "Suspend-to-RAM disables main oscillator" 363eaad2db0SAndrew Victor depends on SUSPEND 364eaad2db0SAndrew Victor help 365eaad2db0SAndrew Victor Select this if you want Suspend-to-RAM to save the most power 366eaad2db0SAndrew Victor possible (without powering off the CPU) by disabling the PLLs 367eaad2db0SAndrew Victor and main oscillator so that only the 32 KiHz clock is available. 368eaad2db0SAndrew Victor 369eaad2db0SAndrew Victor When only that slow-clock is available, some peripherals lose 370eaad2db0SAndrew Victor functionality. Many can't issue wakeup events unless faster 371eaad2db0SAndrew Victor clocks are available. Some lose their operating state and 372eaad2db0SAndrew Victor need to be completely re-initialized. 373eaad2db0SAndrew Victor 3745248c657SDavid Brownellconfig AT91_TIMER_HZ 3755248c657SDavid Brownell int "Kernel HZ (jiffies per second)" 3765248c657SDavid Brownell range 32 1024 3775248c657SDavid Brownell depends on ARCH_AT91 3785248c657SDavid Brownell default "128" if ARCH_AT91RM9200 3795248c657SDavid Brownell default "100" 3805248c657SDavid Brownell help 3815248c657SDavid Brownell On AT91rm9200 chips where you're using a system clock derived 3825248c657SDavid Brownell from the 32768 Hz hardware clock, this tick rate should divide 3835248c657SDavid Brownell it exactly: use a power-of-two value, such as 128 or 256, to 3845248c657SDavid Brownell reduce timing errors caused by rounding. 3855248c657SDavid Brownell 3865248c657SDavid Brownell On AT91sam926x chips, or otherwise when using a higher precision 3875248c657SDavid Brownell system clock (of at least several MHz), rounding is less of a 3885248c657SDavid Brownell problem so it can be safer to use a decimal values like 100. 3895248c657SDavid Brownell 390fa3218d8SGuennadi Liakhovetskichoice 391fa3218d8SGuennadi Liakhovetski prompt "Select a UART for early kernel messages" 392fa3218d8SGuennadi Liakhovetski 393fa3218d8SGuennadi Liakhovetskiconfig AT91_EARLY_DBGU 394fa3218d8SGuennadi Liakhovetski bool "DBGU" 395fa3218d8SGuennadi Liakhovetski 396fa3218d8SGuennadi Liakhovetskiconfig AT91_EARLY_USART0 397fa3218d8SGuennadi Liakhovetski bool "USART0" 398fa3218d8SGuennadi Liakhovetski 399fa3218d8SGuennadi Liakhovetskiconfig AT91_EARLY_USART1 400fa3218d8SGuennadi Liakhovetski bool "USART1" 401fa3218d8SGuennadi Liakhovetski 402fa3218d8SGuennadi Liakhovetskiconfig AT91_EARLY_USART2 403fa3218d8SGuennadi Liakhovetski bool "USART2" 404fa3218d8SGuennadi Liakhovetski depends on ! ARCH_AT91X40 405fa3218d8SGuennadi Liakhovetski 406fa3218d8SGuennadi Liakhovetskiconfig AT91_EARLY_USART3 407fa3218d8SGuennadi Liakhovetski bool "USART3" 408*789b23bcSNicolas Ferre depends on (ARCH_AT91RM9200 || ARCH_AT91SAM9RL || ARCH_AT91SAM9260 || ARCH_AT91SAM9G20 || ARCH_AT91SAM9G45) 409fa3218d8SGuennadi Liakhovetski 410fa3218d8SGuennadi Liakhovetskiconfig AT91_EARLY_USART4 411fa3218d8SGuennadi Liakhovetski bool "USART4" 41261352667Ssedji gaouaou depends on ARCH_AT91SAM9260 || ARCH_AT91SAM9G20 413fa3218d8SGuennadi Liakhovetski 414fa3218d8SGuennadi Liakhovetskiconfig AT91_EARLY_USART5 415fa3218d8SGuennadi Liakhovetski bool "USART5" 41661352667Ssedji gaouaou depends on ARCH_AT91SAM9260 || ARCH_AT91SAM9G20 417fa3218d8SGuennadi Liakhovetski 418fa3218d8SGuennadi Liakhovetskiendchoice 419fa3218d8SGuennadi Liakhovetski 4209d041268SAndrew Victorendmenu 4219d041268SAndrew Victor 4229d041268SAndrew Victorendif 423