diff options
Diffstat (limited to 'arch/arm/mach-at91/Kconfig')
| -rw-r--r-- | arch/arm/mach-at91/Kconfig | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index 05a9f8a1b45e..5b0422cdde76 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -22,6 +22,9 @@ config ARCH_AT91SAM9263 config ARCH_AT91SAM9RL bool "AT91SAM9RL" +config ARCH_AT91CAP9 + bool "AT91CAP9" + config ARCH_AT91X40 bool "AT91x40" @@ -178,6 +181,21 @@ endif # ---------------------------------------------------------- +if ARCH_AT91CAP9 + +comment "AT91CAP9 Board Type" + +config MACH_AT91CAP9ADK + bool "Atmel AT91CAP9A-DK Evaluation Kit" + depends on ARCH_AT91CAP9 + help + Select this if you are using Atmel's AT91CAP9A-DK Evaluation Kit. + <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4138> + +endif + +# ---------------------------------------------------------- + if ARCH_AT91X40 comment "AT91X40 Board Type" @@ -198,13 +216,13 @@ comment "AT91 Board Options" config MTD_AT91_DATAFLASH_CARD bool "Enable DataFlash Card support" - depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK) + depends on (ARCH_AT91RM9200DK || MACH_AT91RM9200EK || MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK) help Enable support for the DataFlash card. config MTD_NAND_AT91_BUSWIDTH_16 bool "Enable 16-bit data bus interface to NAND flash" - depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK) + depends on (MACH_AT91SAM9260EK || MACH_AT91SAM9261EK || MACH_AT91SAM9263EK || MACH_AT91CAP9ADK) help On AT91SAM926x boards both types of NAND flash can be present (8 and 16 bit data bus width). @@ -219,6 +237,22 @@ config AT91_PROGRAMMABLE_CLOCKS Select this if you need to program one or more of the PCK0..PCK3 programmable clock outputs. +config AT91_TIMER_HZ + int "Kernel HZ (jiffies per second)" + range 32 1024 + depends on ARCH_AT91 + default "128" if ARCH_AT91RM9200 + default "100" + help + On AT91rm9200 chips where you're using a system clock derived + from the 32768 Hz hardware clock, this tick rate should divide + it exactly: use a power-of-two value, such as 128 or 256, to + reduce timing errors caused by rounding. + + On AT91sam926x chips, or otherwise when using a higher precision + system clock (of at least several MHz), rounding is less of a + problem so it can be safer to use a decimal values like 100. + endmenu endif |