tg3: Add more selfboot formats to NVRAM selftest

This patch adds more selfboot formats to the NVRAM selftest.  It also
changes the code to return an error on an unsupported NVRAM format.

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

drivers/net/tg3.c

@@ -10470,6 +10470,9 @@ error:
 #define NVRAM_SELFBOOT_FORMAT1_0_SIZE	0x14
 #define NVRAM_SELFBOOT_FORMAT1_2_SIZE	0x18
 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE	0x1c
+#define NVRAM_SELFBOOT_FORMAT1_4_SIZE	0x20
+#define NVRAM_SELFBOOT_FORMAT1_5_SIZE	0x24
+#define NVRAM_SELFBOOT_FORMAT1_6_SIZE	0x4c
 #define NVRAM_SELFBOOT_HW_SIZE 0x20
 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c
 
@@ -10500,8 +10503,17 @@ static int tg3_test_nvram(struct tg3 *tp)
 			case TG3_EEPROM_SB_REVISION_3:
 				size = NVRAM_SELFBOOT_FORMAT1_3_SIZE;
 				break;
+			case TG3_EEPROM_SB_REVISION_4:
+				size = NVRAM_SELFBOOT_FORMAT1_4_SIZE;
+				break;
+			case TG3_EEPROM_SB_REVISION_5:
+				size = NVRAM_SELFBOOT_FORMAT1_5_SIZE;
+				break;
+			case TG3_EEPROM_SB_REVISION_6:
+				size = NVRAM_SELFBOOT_FORMAT1_6_SIZE;
+				break;
 			default:
-				return 0;
+				return -EIO;
 			}
 		} else
 			return 0;