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chromeec: allow override of i8042 interrupt 

Some boards need to override which IRQ the i8042 keyboard
controller has its interrupt on instead of the default
IRQ#1. The SIO_EC_PS2K_IRQ macro provides the mainboard
an ability to override the interrupt location.

BUG=chrome-os-partner:23965
BRANCH=None
TEST=Built and booted rambi using this option. New IRQ is correctly
     picked up by kernel allowing keyboard support.

Change-Id: Ic2b222018dfc3aa30e24a31009e832ae0fb7e9cf
Reviewed-on: https://chromium-review.googlesource.com/177222
Tested-by: Bernie Thompson <bhthompson@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: Aaron Durbin <adurbin@chromium.org>
Commit-Queue: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4978
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Tested-by: build bot (Jenkins)
This commit is contained in:
Aaron Durbin 2013-11-20 15:18:24 -06:00 committed by Aaron Durbin
parent 58867b1002
commit 2f6402c7a6
1 changed files with 8 additions and 0 deletions
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8
src/ec/google/chromeec/acpi/superio.asl
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@ -152,7 +152,11 @@ Device (SIO) {
{ {
IO (Decode16, 0x60, 0x60, 0x01, 0x01) IO (Decode16, 0x60, 0x60, 0x01, 0x01)
IO (Decode16, 0x64, 0x64, 0x01, 0x01) IO (Decode16, 0x64, 0x64, 0x01, 0x01)
#ifdef SIO_EC_PS2K_IRQ
SIO_EC_PS2K_IRQ
#else
IRQNoFlags () {1} IRQNoFlags () {1}
#endif
}) })
Name (_PRS, ResourceTemplate() Name (_PRS, ResourceTemplate()
@ -160,7 +164,11 @@ Device (SIO) {
StartDependentFn (0, 0) { StartDependentFn (0, 0) {
IO (Decode16, 0x60, 0x60, 0x01, 0x01) IO (Decode16, 0x60, 0x60, 0x01, 0x01)
IO (Decode16, 0x64, 0x64, 0x01, 0x01) IO (Decode16, 0x64, 0x64, 0x01, 0x01)
#ifdef SIO_EC_PS2K_IRQ
SIO_EC_PS2K_IRQ
#else
IRQNoFlags () {1} IRQNoFlags () {1}
#endif
} }
EndDependentFn () EndDependentFn ()
}) })