x60,t60,x201,macbook21 : Declare GPIs for EC

For lenovo/x201, this also changes GPI_ROUT (0xb8-0xbb)
programming to use GPI1 between SCI/SMI modes, while
previous programming was for GPI12.

Change-Id: I3ac0feaa1d10c8f0e53a5fa5af72366503bb5d2d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/8656
Tested-by: build bot (Jenkins)
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
diff --git a/src/mainboard/lenovo/x60/smihandler.c b/src/mainboard/lenovo/x60/smihandler.c
index ccc328e..fee54f2 100644
--- a/src/mainboard/lenovo/x60/smihandler.c
+++ b/src/mainboard/lenovo/x60/smihandler.c
@@ -31,6 +31,8 @@
 #include "dock.h"
 #include "smi.h"
 
+#define GPE_EC_SCI	12
+
 /* The southbridge SMI handler checks whether gnvs has a
  * valid pointer before calling the trap handler
  */
@@ -160,7 +162,7 @@
 
 void mainboard_smi_gpi(u32 gpi)
 {
-	if (gpi & (1 << 12))
+	if (gpi & (1 << GPE_EC_SCI))
 		mainboard_smi_handle_ec_sci();
 }
 
@@ -179,7 +181,7 @@
 			/* use 0x1600/0x1604 to prevent races with userspace */
 			ec_set_ports(0x1604, 0x1600);
 			/* route H8SCI to SCI */
-			outw(inw(pmbase + ALT_GP_SMI_EN) & ~0x1000, pmbase + ALT_GP_SMI_EN);
+			outw(inw(pmbase + ALT_GP_SMI_EN) & ~(1<<GPE_EC_SCI), pmbase + ALT_GP_SMI_EN);
 			tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb);
 			tmp &= ~0x03;
 			tmp |= 0x02;
@@ -192,7 +194,7 @@
 			   provide a EC query function */
 			ec_set_ports(0x66, 0x62);
 			/* route H8SCI# to SMI */
-			outw(inw(pmbase + ALT_GP_SMI_EN) | 0x1000, pmbase + ALT_GP_SMI_EN);
+			outw(inw(pmbase + ALT_GP_SMI_EN) | (1<<GPE_EC_SCI), pmbase + ALT_GP_SMI_EN);
 			tmp = pci_read_config8(PCI_DEV(0, 0x1f, 0), 0xbb);
 			tmp &= ~0x03;
 			tmp |= 0x01;