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authorKristoffer Nyborg Gregertsen <kngregertsen@norway.atmel.com>2007-08-08 18:57:08 +0400
committerJeff Garzik <jeff@garzik.org>2007-10-12 22:55:37 +0400
commit7c9ef8e418374aec0a62e64d9b40d457634fd039 (patch)
tree6a9c30266aa97b38515647cdc404cb7d3c512e15 /drivers/ata/Kconfig
parentd830d1731fa5906aad20c228ac8b73005b13d468 (diff)
downloadlinux-7c9ef8e418374aec0a62e64d9b40d457634fd039.tar.xz
AVR32 PATA driver
Updated and simplified driver. Use only register transfer timing for both data and register transfers. This gives poorer performance in PIO1 and 2, but should not be a problem in PIO3 and 4, correct me if I'm wrong :) The driver works very we'll but I still wonder about the interrupts. I have an interrupt line, that works nicely when POLLING flag is not set. The problem is the number of interrupts that eat away my CPU cycles. When using the POLLING flag there seem to be some interrupts that dosen't get cleared. Furthermore the device dosen't drive INTRQ high, it stays at 2.5 volts and generates a lot of interrupts due to ripple / noise. What to do? Signed-off-by: Kristoffer Nyborg Gregertsen <kngregertsen@norway.atmel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/Kconfig')
-rw-r--r--drivers/ata/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index a427945f0bb1..2cd0e7476718 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -199,6 +199,15 @@ config PATA_ARTOP
If unsure, say N.
+config PATA_AT32
+ tristate "Atmel AVR32 PATA support (Experimental)"
+ depends on AVR32 && PLATFORM_AT32AP && EXPERIMENTAL
+ help
+ This option enables support for the IDE devices on the
+ Atmel AT32AP platform.
+
+ If unsure, say N.
+
config PATA_ATIIXP
tristate "ATI PATA support (Experimental)"
depends on PCI && EXPERIMENTAL