tg3: Add support for selfboot format 1 v6

5718 B0 and 5719 devices will use a new selfboot firmware format.  This
patch adds code to detect the new format so that bootcode versions get
reported correctly.

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

drivers/net/tg3.c

@@ -12702,6 +12702,9 @@ static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
 	case TG3_EEPROM_SB_REVISION_5:
 		offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
 		break;
+	case TG3_EEPROM_SB_REVISION_6:
+		offset = TG3_EEPROM_SB_F1R6_EDH_OFF;
+		break;
 	default:
 		return;
 	}

drivers/net/tg3.h

@@ -1915,6 +1915,7 @@
 #define TG3_EEPROM_SB_REVISION_3	0x00030000
 #define TG3_EEPROM_SB_REVISION_4	0x00040000
 #define TG3_EEPROM_SB_REVISION_5	0x00050000
+#define TG3_EEPROM_SB_REVISION_6	0x00060000
 #define TG3_EEPROM_MAGIC_HW		0xabcd
 #define TG3_EEPROM_MAGIC_HW_MSK		0xffff
 
@@ -1934,6 +1935,7 @@
 #define TG3_EEPROM_SB_F1R3_EDH_OFF	0x18
 #define TG3_EEPROM_SB_F1R4_EDH_OFF	0x1c
 #define TG3_EEPROM_SB_F1R5_EDH_OFF	0x20
+#define TG3_EEPROM_SB_F1R6_EDH_OFF	0x4c
 #define TG3_EEPROM_SB_EDH_MAJ_MASK	0x00000700
 #define TG3_EEPROM_SB_EDH_MAJ_SHFT	8
 #define TG3_EEPROM_SB_EDH_MIN_MASK	0x000000ff