iwlwifi: gen2: support nmi triggering from host

For gen2 there is a new register.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/iwl-io.c

@@ -246,6 +246,9 @@ void iwl_force_nmi(struct iwl_trans *trans)
 			       DEVICE_SET_NMI_VAL_DRV);
 		iwl_write_prph(trans, DEVICE_SET_NMI_REG,
 			       DEVICE_SET_NMI_VAL_HW);
+	} else if (trans->cfg->gen2) {
+		iwl_write_prph(trans, UREG_NIC_SET_NMI_DRIVER,
+			       DEVICE_SET_NMI_8000_VAL);
 	} else {
 		iwl_write_prph(trans, DEVICE_SET_NMI_8000_REG,
 			       DEVICE_SET_NMI_8000_VAL);

drivers/net/wireless/intel/iwlwifi/iwl-prph.h

@@ -114,6 +114,7 @@
 #define DEVICE_SET_NMI_VAL_DRV BIT(7)
 #define DEVICE_SET_NMI_8000_REG 0x00a01c24
 #define DEVICE_SET_NMI_8000_VAL 0x1000000
+#define UREG_NIC_SET_NMI_DRIVER 0x00a05c10
 
 /* Shared registers (0x0..0x3ff, via target indirect or periphery */
 #define SHR_BASE	0x00a10000