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>

2 files changed, 39 insertions, 0 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 43859e4db2fe..bbf5fe3db3c8 100644
--- a/drivers/net/tg3.c
+++ b/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);
         }
 
         /*
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 34dfaaaed3aa..2a75a60a6f1f 100644
--- a/drivers/net/tg3.h
+++ b/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