tg3: Add version reporting for hardware selfboot

This patch adds version reporting for hardware selfboot.

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, 24 insertions, 0 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index bbf5fe3db3c8..d12338f86798 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -11509,6 +11509,22 @@ static void __devinit tg3_read_bc_ver(struct tg3 *tp)
         }
 }
 
+static void __devinit tg3_read_hwsb_ver(struct tg3 *tp)
+{
+        u32 val, major, minor;
+
+        /* Use native endian representation */
+        if (tg3_nvram_read(tp, TG3_NVM_HWSB_CFG1, &val))
+                return;
+
+        major = (val & TG3_NVM_HWSB_CFG1_MAJMSK) >>
+                TG3_NVM_HWSB_CFG1_MAJSFT;
+        minor = (val & TG3_NVM_HWSB_CFG1_MINMSK) >>
+                TG3_NVM_HWSB_CFG1_MINSFT;
+
+        snprintf(&tp->fw_ver[0], 32, "sb v%d.%02d", major, minor);
+}
+
 static void __devinit tg3_read_sb_ver(struct tg3 *tp, u32 val)
 {
         u32 offset, major, minor, build;
@@ -11645,6 +11661,8 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp)
                 tg3_read_bc_ver(tp);
         else if ((val & TG3_EEPROM_MAGIC_FW_MSK) == TG3_EEPROM_MAGIC_FW)
                 tg3_read_sb_ver(tp, val);
+        else if ((val & TG3_EEPROM_MAGIC_HW_MSK) == TG3_EEPROM_MAGIC_HW)
+                tg3_read_hwsb_ver(tp);
         else
                 return;
 
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 2a75a60a6f1f..cb4c62abdd21 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1719,6 +1719,12 @@
 
 #define TG3_OTP_DEFAULT                 0x286c1640
 
+/* Hardware Selfboot NVRAM layout */
+#define TG3_NVM_HWSB_CFG1               0x00000004
+#define  TG3_NVM_HWSB_CFG1_MAJMSK       0xf8000000
+#define  TG3_NVM_HWSB_CFG1_MAJSFT       27
+#define  TG3_NVM_HWSB_CFG1_MINMSK       0x07c00000
+#define  TG3_NVM_HWSB_CFG1_MINSFT       22
 
 #define TG3_EEPROM_MAGIC                0x669955aa
 #define TG3_EEPROM_MAGIC_FW             0xa5000000