diff options
| author | Christoph Grenz <christophg+cb@grenz-bonn.de> | 2013-06-18 01:26:50 +0200 |
|---|---|---|
| committer | Nico Huber <nico.huber@secunet.com> | 2013-07-01 23:22:41 +0200 |
| commit | dda4095101f8e04924d32dbabfd038b32a93961c (patch) | |
| tree | ee79e306c8c23d0eae1aa50b6400330a03ef2596 /src/superio/winbond/w83627hf | |
| parent | e978fc265d22d54146ba167b63ed0e3a6d4875a5 (diff) | |
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/winbond/w83627hf')
| -rw-r--r-- | src/superio/winbond/w83627hf/acpi/superio.asl | 4 |
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) |