tg3: Add DASH firmware version reporting

This patch adds code to report the DASH firmware version.

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

drivers/net/tg3.c

@@ -11606,6 +11606,34 @@ static void __devinit tg3_read_mgmtfw_ver(struct tg3 *tp)
 	}
 }
 
+static void __devinit tg3_read_dash_ver(struct tg3 *tp)
+{
+	int vlen;
+	u32 apedata;
+
+	if (!(tp->tg3_flags3 & TG3_FLG3_ENABLE_APE) ||
+	    !(tp->tg3_flags  & TG3_FLAG_ENABLE_ASF))
+		return;
+
+	apedata = tg3_ape_read32(tp, TG3_APE_SEG_SIG);
+	if (apedata != APE_SEG_SIG_MAGIC)
+		return;
+
+	apedata = tg3_ape_read32(tp, TG3_APE_FW_STATUS);
+	if (!(apedata & APE_FW_STATUS_READY))
+		return;
+
+	apedata = tg3_ape_read32(tp, TG3_APE_FW_VERSION);
+
+	vlen = strlen(tp->fw_ver);
+
+	snprintf(&tp->fw_ver[vlen], TG3_VER_SIZE - vlen, " DASH v%d.%d.%d.%d",
+		 (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,
+		 (apedata & APE_FW_VERSION_BLDMSK));
+}
+
 static void __devinit tg3_read_fw_ver(struct tg3 *tp)
 {
 	u32 val;
@@ -13279,6 +13307,9 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
 		}
 
 		tg3_ape_lock_init(tp);
+
+		if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF)
+			tg3_read_dash_ver(tp);
 	}
 
 	/*

drivers/net/tg3.h

@@ -1971,6 +1971,14 @@
 /* APE shared memory.  Accessible through BAR1 */
 #define TG3_APE_FW_STATUS		0x400c
 #define  APE_FW_STATUS_READY		 0x00000100
+#define TG3_APE_FW_VERSION		0x4018
+#define  APE_FW_VERSION_MAJMSK		 0xff000000
+#define  APE_FW_VERSION_MAJSFT		 24
+#define  APE_FW_VERSION_MINMSK		 0x00ff0000
+#define  APE_FW_VERSION_MINSFT		 16
+#define  APE_FW_VERSION_REVMSK		 0x0000ff00
+#define  APE_FW_VERSION_REVSFT		 8
+#define  APE_FW_VERSION_BLDMSK		 0x000000ff
 #define TG3_APE_HOST_SEG_SIG		0x4200
 #define  APE_HOST_SEG_SIG_MAGIC		 0x484f5354
 #define TG3_APE_HOST_SEG_LEN		0x4204