tg3: Detect APE firmware types

This patch adds code to determine the APE firmware type and report this
along with the firmware version.

Reviewed-by: Benjamin Li <benli@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/tg3.c

@@ -12710,6 +12710,7 @@ static void __devinit tg3_read_dash_ver(struct tg3 *tp)
 {
 	int vlen;
 	u32 apedata;
+	char *fwtype;
 
 	if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
 	    !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
@@ -12725,9 +12726,15 @@ static void __devinit tg3_read_dash_ver(struct tg3 *tp)
 
 	apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
 
+	if (tg3_ape_read32(tp, TG3_APE_FW_FEATURES) & TG3_APE_FW_FEATURE_NCSI)
+		fwtype = "NCSI";
+	else
+		fwtype = "DASH";
+
 	vlen = strlen(tp->fw_ver);
 
-	snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
+	snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " %s v%d.%d.%d.%d",
+		 fwtype,
 		 (apedata & APE_FW_VERSION_MAJMSK) >> APE_FW_VERSION_MAJSFT,
 		 (apedata & APE_FW_VERSION_MINMSK) >> APE_FW_VERSION_MINSFT,
 		 (apedata & APE_FW_VERSION_REVMSK) >> APE_FW_VERSION_REVSFT,

drivers/net/tg3.h

@@ -2161,6 +2161,8 @@
 /* APE shared memory.  Accessible through BAR1 */
 #define TG3_APE_FW_STATUS		0x400c
 #define  APE_FW_STATUS_READY		 0x00000100
+#define TG3_APE_FW_FEATURES		0x4010
+#define  TG3_APE_FW_FEATURE_NCSI	 0x00000002
 #define TG3_APE_FW_VERSION		0x4018
 #define  APE_FW_VERSION_MAJMSK		 0xff000000
 #define  APE_FW_VERSION_MAJSFT		 24