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-rw-r--r--arch/arm/mach-at91/Kconfig38
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