ec/lenovo/h8: Enable 3G modem

Just like bluetooth and wlan it need to be enabled in EC.
Set the appropriate bit in EC if CMOS config says so.

Change-Id: Ia48ca3201f013d3b4c4153f32ff536e06b6a2f6d
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4516
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>

src/ec/lenovo/h8/h8.c

@@ -44,6 +44,7 @@ void h8_trackpoint_enable(int on)
 
 }
 
+/* Controls radio-off pin in WLAN MiniPCIe slot.  */
 void h8_wlan_enable(int on)
 {
 	if (on)
@@ -52,6 +53,15 @@ void h8_wlan_enable(int on)
 		ec_clr_bit(0x3a, 5);
 }
 
+/* Controls radio-off pin in WWAN MiniPCIe slot.  */
+static void h8_wwan_enable(int on)
+{
+	if (on)
+		ec_set_bit(0x3a, 6);
+	else
+		ec_clr_bit(0x3a, 6);
+}
+
 static void h8_log_ec_version(void)
 {
 	char ecfw[17];
@@ -175,6 +185,11 @@ static void h8_enable(device_t dev)
 		val = 1;
 	h8_bluetooth_enable(val);
 
+	if (get_option(&val, "wwan") != CB_SUCCESS)
+		val = 1;
+
+	h8_wwan_enable(val);
+
 	if (get_option(&val, "first_battery") != CB_SUCCESS)
 		val = 1;
 

src/mainboard/lenovo/t60/cmos.layout

@@ -109,6 +109,7 @@ entries
 
 1060         1       e       1        touchpad
 1061         1       e       1        bluetooth
+1062         1       e       1        wwan
 1064         8       h       0        volume
 1072         1       e       9        first_battery
 # -----------------------------------------------------------------

src/mainboard/lenovo/x60/cmos.layout

@@ -111,6 +111,7 @@ entries
 1072         8       h       0        tft_brightness
 1080         1       e       9        first_battery
 1081         1       e       1        bluetooth
+1082         1       e       1        wwan
 # -----------------------------------------------------------------
 
 enumerations