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w83627hf: Add comments about parallel port modes in superio.asl 

Add comments in PAR0._PRS explaining which dependent resource
descriptor puts the parallel port into EPP or SPP mode.

Change-Id: If4e224dbaf6f9105cde88d995d2e7c74fbf14502
Signed-off-by: Christoph Grenz <christophg+cb@grenz-bonn.de>
Reviewed-on: http://review.coreboot.org/3495
Tested-by: build bot (Jenkins)
Reviewed-by: Nico Huber <nico.huber@secunet.com>
This commit is contained in:
Christoph Grenz 2013-06-18 01:26:50 +02:00 committed by Nico Huber
parent e978fc265d
commit dda4095101
1 changed files with 4 additions and 0 deletions
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4
src/superio/winbond/w83627hf/acpi/superio.asl
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@ -529,6 +529,7 @@ Device(SIO) {
Name (_PRS, ResourceTemplate () Name (_PRS, ResourceTemplate ()
{ {
/* Traditional configurations (SPP mode) */
StartDependentFn (0,1) StartDependentFn (0,1)
{ {
IO (Decode16, 0x0378, 0x0378, 0x04, 0x08) IO (Decode16, 0x0378, 0x0378, 0x04, 0x08)
@ -544,6 +545,7 @@ Device(SIO) {
IO (Decode16, 0x03BC, 0x03BC, 0x04, 0x04) IO (Decode16, 0x03BC, 0x03BC, 0x04, 0x04)
IRQNoFlags () {3,4,5,7,9,10,11,12} IRQNoFlags () {3,4,5,7,9,10,11,12}
} }
/* Traditional configurations (EPP mode) */
StartDependentFn (0,0) StartDependentFn (0,0)
{ {
IO (Decode16, 0x0378, 0x0378, 0x08, 0x08) IO (Decode16, 0x0378, 0x0378, 0x08, 0x08)
@ -554,11 +556,13 @@ Device(SIO) {
IO (Decode16, 0x0278, 0x0278, 0x08, 0x08) IO (Decode16, 0x0278, 0x0278, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12} IRQNoFlags () {3,4,5,7,9,10,11,12}
} }
/* Any configurable address (EPP mode) */
StartDependentFn (2,0) StartDependentFn (2,0)
{ {
IO (Decode16, 0x0100, 0x0FFC, 0x08, 0x08) IO (Decode16, 0x0100, 0x0FFC, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12} IRQNoFlags () {3,4,5,7,9,10,11,12}
} }
/* Any configurable address (No EPP mode) */
StartDependentFn (2,1) StartDependentFn (2,1)
{ {
IO (Decode16, 0x0100, 0x0FFC, 0x04, 0x08) IO (Decode16, 0x0100, 0x0FFC, 0x04, 0x08)