x300: Added HW rev compat number support

- Added new field "revision_compat" to mb_eeprom
- Enforce a revision_compat of 7

1 files changed, 13 insertions, 1 deletions

diff --git a/host/lib/usrp/mboard_eeprom.cpp b/host/lib/usrp/mboard_eeprom.cpp
index 9c92fe252..c2415763b 100644
--- a/host/lib/usrp/mboard_eeprom.cpp
+++ b/host/lib/usrp/mboard_eeprom.cpp
@@ -213,7 +213,8 @@ struct x300_eeprom_map
     //indentifying numbers
     unsigned char revision[2];
     unsigned char product[2];
-    boost::uint8_t _pad0[4];
+    unsigned char revision_compat[2];
+    boost::uint8_t _pad0[2];
 
     //all the mac addrs
     boost::uint8_t mac_addr0[6];
@@ -244,6 +245,11 @@ static void load_x300(mboard_eeprom_t &mb_eeprom, i2c_iface &iface)
         iface.read_eeprom(X300_EEPROM_ADDR, offsetof(x300_eeprom_map, product), 2)
     );
 
+    //extract the revision compat number
+    mb_eeprom["revision_compat"] = uint16_bytes_to_string(
+        iface.read_eeprom(X300_EEPROM_ADDR, offsetof(x300_eeprom_map, revision_compat), 2)
+    );
+
     //extract the mac addresses
     mb_eeprom["mac-addr0"] = mac_addr_t::from_bytes(iface.read_eeprom(
         X300_EEPROM_ADDR, offsetof(x300_eeprom_map, mac_addr0), 6
@@ -291,6 +297,12 @@ static void store_x300(const mboard_eeprom_t &mb_eeprom, i2c_iface &iface)
         string_to_uint16_bytes(mb_eeprom["product"])
     );
 
+    //parse the revision compat number
+    if (mb_eeprom.has_key("revision_compat")) iface.write_eeprom(
+        X300_EEPROM_ADDR, offsetof(x300_eeprom_map, revision_compat),
+        string_to_uint16_bytes(mb_eeprom["revision_compat"])
+    );
+
     //store the mac addresses
     if (mb_eeprom.has_key("mac-addr0")) iface.write_eeprom(
         X300_EEPROM_ADDR, offsetof(x300_eeprom_map, mac_addr0),