+ /* ITE8718 Support */
+ OperationRegion (IOID, SystemIO, 0x2E, 0x02) /* sometimes it is 0x4E */
+ Field (IOID, ByteAcc, NoLock, Preserve)
+ {
+ SIOI, 8, SIOD, 8 /* 0x2E and 0x2F */
+ }
+
+ IndexField (SIOI, SIOD, ByteAcc, NoLock, Preserve)
+ {
+ Offset (0x07),
+ LDN, 8, /* Logical Device Number */
+ Offset (0x20),
+ CID1, 8, /* Chip ID Byte 1, 0x87 */
+ CID2, 8, /* Chip ID Byte 2, 0x12 */
+ Offset (0x30),
+ ACTR, 8, /* Function activate */
+ Offset (0xF0),
+ APC0, 8, /* APC/PME Event Enable Register */
+ APC1, 8, /* APC/PME Status Register */
+ APC2, 8, /* APC/PME Control Register 1 */
+ APC3, 8, /* Environment Controller Special Configuration Register */
+ APC4, 8 /* APC/PME Control Register 2 */
+ }
+
+ /* Enter the 8718 MB PnP Mode */
+ Method (EPNP)
+ {
+ Store(0x87, SIOI)
+ Store(0x01, SIOI)
+ Store(0x55, SIOI)
+ Store(0x55, SIOI) /* 8718 magic number */
+ }
+ /* Exit the 8718 MB PnP Mode */
+ Method (XPNP)
+ {
+ Store (0x02, SIOI)
+ Store (0x02, SIOD)
+ }
+ /*
+ * Keyboard PME is routed to SB700 Gevent3. We can wake
+ * up the system by pressing the key.
+ */
+ Method (SIOS, 1)
+ {
+ /* We only enable KBD PME for S5. */
+ If (LLess (Arg0, 0x05))
+ {
+ EPNP()
+ /* DBGO("8718F\n") */
+
+ Store (0x4, LDN)
+ Store (One, ACTR) /* Enable EC */
+ /*
+ Store (0x4, LDN)
+ Store (0x04, APC4)
+ */ /* falling edge. which mode? Not sure. */
+
+ Store (0x4, LDN)
+ Store (0x08, APC1) /* clear PME status, Use 0x18 for mouse & KBD */
+ Store (0x4, LDN)
+ Store (0x08, APC0) /* enable PME, Use 0x18 for mouse & KBD */
+
+ XPNP()
+ }
+ }
+ Method (SIOW, 1)
+ {
+ EPNP()
+ Store (0x4, LDN)
+ Store (Zero, APC0) /* disable keyboard PME */
+ Store (0x4, LDN)
+ Store (0xFF, APC1) /* clear keyboard PME status */
+ XPNP()
+ }
+
projects / coreboot.git / commitdiff