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authorChristoph Grenz <christophg+cb@grenz-bonn.de>2013-06-18 01:26:50 +0200
committerNico Huber <nico.huber@secunet.com>2013-07-01 23:22:41 +0200
commitdda4095101f8e04924d32dbabfd038b32a93961c (patch)
treeee79e306c8c23d0eae1aa50b6400330a03ef2596 /src/superio
parente978fc265d22d54146ba167b63ed0e3a6d4875a5 (diff)
downloadcoreboot-dda4095101f8e04924d32dbabfd038b32a93961c.tar.xz
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>
Diffstat (limited to 'src/superio')
-rw-r--r--src/superio/winbond/w83627hf/acpi/superio.asl4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/superio/winbond/w83627hf/acpi/superio.asl b/src/superio/winbond/w83627hf/acpi/superio.asl
index 69017feaab..ff95dfcaba 100644
--- a/src/superio/winbond/w83627hf/acpi/superio.asl
+++ b/src/superio/winbond/w83627hf/acpi/superio.asl
@@ -529,6 +529,7 @@ Device(SIO) {
Name (_PRS, ResourceTemplate ()
{
+ /* Traditional configurations (SPP mode) */
StartDependentFn (0,1)
{
IO (Decode16, 0x0378, 0x0378, 0x04, 0x08)
@@ -544,6 +545,7 @@ Device(SIO) {
IO (Decode16, 0x03BC, 0x03BC, 0x04, 0x04)
IRQNoFlags () {3,4,5,7,9,10,11,12}
}
+ /* Traditional configurations (EPP mode) */
StartDependentFn (0,0)
{
IO (Decode16, 0x0378, 0x0378, 0x08, 0x08)
@@ -554,11 +556,13 @@ Device(SIO) {
IO (Decode16, 0x0278, 0x0278, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12}
}
+ /* Any configurable address (EPP mode) */
StartDependentFn (2,0)
{
IO (Decode16, 0x0100, 0x0FFC, 0x08, 0x08)
IRQNoFlags () {3,4,5,7,9,10,11,12}
}
+ /* Any configurable address (No EPP mode) */
StartDependentFn (2,1)
{
IO (Decode16, 0x0100, 0x0FFC, 0x04, 0x08)