summaryrefslogtreecommitdiff
path: root/src/mainboard/via/epia-n/pata_methods.asl
diff options
context:
space:
mode:
authorJon Harrison <bothlyn@blueyonder.co.uk>2009-08-18 15:12:13 +0000
committerMyles Watson <mylesgw@gmail.com>2009-08-18 15:12:13 +0000
commit9c2e738653df435afec8a8f212d0c2c69aa9645c (patch)
tree6762f714beb12c139cc06024bd2a934b59669f45 /src/mainboard/via/epia-n/pata_methods.asl
parent1825be291f49f892fa8c048974239aa0daa4de56 (diff)
Add the rest of the files.
Thanks Jon. Signed-off-by: Jon Harrison <bothlyn@blueyonder.co.uk> Acked-by: Myles Watson <mylesgw@gmail.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4550 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard/via/epia-n/pata_methods.asl')
-rw-r--r--src/mainboard/via/epia-n/pata_methods.asl132
1 files changed, 132 insertions, 0 deletions
diff --git a/src/mainboard/via/epia-n/pata_methods.asl b/src/mainboard/via/epia-n/pata_methods.asl
new file mode 100644
index 0000000000..68d505868e
--- /dev/null
+++ b/src/mainboard/via/epia-n/pata_methods.asl
@@ -0,0 +1,132 @@
+/*
+ * Minimalist ACPI DSDT table for EPIA-N / NL
+ * Basic description of some hardware resources to allow
+ * interrupt assignments to be done. This is expected to be included
+ * into the PATA Device definition in ab_physical.asl
+ * (C) Copyright 2009 Jon Harrison <jon.harrison@blueyonder.co.uk>
+ *
+ */
+
+Name (TIM0, Package (0x07)
+{
+ Package (0x05)
+ {
+ 0x78, 0xB4, 0xF0, 0x017F, 0x0258
+ },
+
+ Package (0x05)
+ {
+ 0x20, 0x22, 0x33, 0x47, 0x5D
+ },
+
+ Package (0x05)
+ {
+ 0x04, 0x03, 0x02, 0x01, 0x00
+ },
+
+ Package (0x04)
+ {
+ 0x02, 0x01, 0x00, 0x00
+ },
+
+ Package (0x07)
+ {
+ 0x78, 0x50, 0x3C, 0x2D, 0x1E, 0x14, 0x0F
+ },
+
+ Package (0x0F)
+ {
+ 0x06, 0x05, 0x04, 0x04, 0x03, 0x03, 0x02, 0x02,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01,0x00
+ },
+
+ Package (0x07)
+ {
+ 0x0E, 0x08, 0x06, 0x04, 0x02, 0x01, 0x00
+ }
+})
+
+
+/* This method sets up the PATA Timing Control*/
+/* Note that a lot of this is done in the */
+/* Coreboot VT8237R Init code, but this is */
+/* already getting very cluttered with board */
+/* specific code. Using ACPI will allow this */
+/* to be de-cluttered a bit (so long as we're */
+/* running a ACPI Capable OS !!!) */
+
+Method (PMEX, 0, Serialized)
+{
+ If (REGF)
+ {
+ /* Check if these regs are still at defaults */
+ /* Board specific timing improvement if not */
+ /* Already changed */
+ If (LEqual (PMPT, 0xA8))
+ {
+ Store (0x5D, PMPT)
+ }
+
+ If (LEqual (PSPT, 0xA8))
+ {
+ Store (0x5D, PSPT)
+ }
+
+ If (LEqual (SMPT, 0xA8))
+ {
+ Store (0x5D, SMPT)
+ }
+
+ If (LEqual (SSPT, 0xA8))
+ {
+ Store (0x5D, SSPT)
+ }
+
+ }
+}
+
+/* This Method Provides the method that is used to */
+/* Reset ATA Drives to POST reset condition */
+Method (GTF, 4, Serialized)
+{
+ Store (Buffer (0x07)
+ {
+ 0x03, 0x00, 0x00, 0x00, 0x00, 0xA0, 0xEF
+ }, Local1)
+ Store (Buffer (0x07)
+ {
+ 0x03, 0x00, 0x00, 0x00, 0x00, 0xA0, 0xEF
+ }, Local2)
+ CreateByteField (Local1, 0x01, MODE)
+ CreateByteField (Local2, 0x01, UMOD)
+ CreateByteField (Local1, 0x05, PCHA)
+ CreateByteField (Local2, 0x05, UCHA)
+ And (Arg0, 0x03, Local3)
+ If (LEqual (And (Local3, 0x01), 0x01))
+ {
+ Store (0xB0, PCHA)
+ Store (0xB0, UCHA)
+ }
+
+ If (Arg1)
+ {
+ Store (DerefOf (Index (DerefOf (Index (TIM0, 0x05)), Arg2)),
+ UMOD)
+ Or (UMOD, 0x40, UMOD)
+ }
+ Else
+ {
+ Store (Match (DerefOf (Index (TIM0, 0x01)), MEQ, Arg3, MTR,
+ 0x00, 0x00), Local0)
+ Or (0x20, DerefOf (Index (DerefOf (Index (TIM0, 0x03)), Local0
+ )), UMOD)
+ }
+
+ Store (Match (DerefOf (Index (TIM0, 0x01)), MEQ, Arg3, MTR,
+ 0x00, 0x00), Local0)
+ Or (0x08, DerefOf (Index (DerefOf (Index (TIM0, 0x02)), Local0
+ )), MODE)
+ Concatenate (Local1, Local2, Local6)
+ Return (Local6)
+}
+