iwlagn: use SKU information in the EEPROM

EEPROM contain the SKU information for the device, use it.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.h b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
index d9b5906..e87be1e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-eeprom.h
+++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.h
@@ -110,9 +110,18 @@
 };
 
 /* SKU Capabilities */
+/* 3945 only */
 #define EEPROM_SKU_CAP_SW_RF_KILL_ENABLE                (1 << 0)
 #define EEPROM_SKU_CAP_HW_RF_KILL_ENABLE                (1 << 1)
 
+/* 5000 and up */
+#define EEPROM_SKU_CAP_BAND_POS				(4)
+#define EEPROM_SKU_CAP_BAND_SELECTION	                \
+		(3 << EEPROM_SKU_CAP_BAND_POS)
+#define EEPROM_SKU_CAP_11N_ENABLE	                (1 << 6)
+#define EEPROM_SKU_CAP_AMT_ENABLE	                (1 << 7)
+#define EEPROM_SKU_CAP_IPAN_ENABLE	                (1 << 8)
+
 /* *regulatory* channel data format in eeprom, one for each channel.
  * There are separate entries for HT40 (40 MHz) vs. normal (20 MHz) channels. */
 struct iwl_eeprom_channel {
@@ -397,7 +406,7 @@
 #define EEPROM_BOARD_REVISION               (2*0x35)	/* 2  bytes */
 #define EEPROM_BOARD_PBA_NUMBER             (2*0x3B+1)	/* 9  bytes */
 #define EEPROM_VERSION                      (2*0x44)	/* 2  bytes */
-#define EEPROM_SKU_CAP                      (2*0x45)	/* 1  bytes */
+#define EEPROM_SKU_CAP                      (2*0x45)	/* 2  bytes */
 #define EEPROM_OEM_MODE                     (2*0x46)	/* 2  bytes */
 #define EEPROM_WOWLAN_MODE                  (2*0x47)	/* 2  bytes */
 #define EEPROM_RADIO_CONFIG                 (2*0x48)	/* 2  bytes */
@@ -504,6 +513,7 @@
 int iwl_eeprom_init(struct iwl_priv *priv);
 void iwl_eeprom_free(struct iwl_priv *priv);
 int  iwl_eeprom_check_version(struct iwl_priv *priv);
+int  iwl_eeprom_check_sku(struct iwl_priv *priv);
 const u8 *iwl_eeprom_query_addr(const struct iwl_priv *priv, size_t offset);
 int iwlcore_eeprom_verify_signature(struct iwl_priv *priv);
 u16 iwl_eeprom_query16(const struct iwl_priv *priv, size_t offset);