2 /* Microchip Sparx5 Switch driver
77 static int sparx5_get_dev2g5_status(struct sparx5 *sparx5,  in sparx5_get_dev2g5_status()  argument
86 	value = spx5_rd(sparx5, DEV2G5_PCS1G_STICKY(portno));  in sparx5_get_dev2g5_status()
89 		spx5_wr(value, sparx5, DEV2G5_PCS1G_STICKY(portno));  in sparx5_get_dev2g5_status()
92 	value = spx5_rd(sparx5, DEV2G5_PCS1G_LINK_STATUS(portno));  in sparx5_get_dev2g5_status()
104 	value = spx5_rd(sparx5, DEV2G5_PCS1G_ANEG_STATUS(portno));  in sparx5_get_dev2g5_status()
112 			value = spx5_rd(sparx5, DEV2G5_PCS1G_ANEG_CFG(portno));  in sparx5_get_dev2g5_status()
120 static int sparx5_get_sfi_status(struct sparx5 *sparx5,  in sparx5_get_sfi_status()  argument
136 	inst = spx5_inst_get(sparx5, dev, tinst);  in sparx5_get_sfi_status()
159 int sparx5_get_port_status(struct sparx5 *sparx5,  in sparx5_get_port_status()  argument
174 		return sparx5_get_dev2g5_status(sparx5, port, status);  in sparx5_get_port_status()
178 		return sparx5_get_sfi_status(sparx5, port, status);  in sparx5_get_port_status()
211 static int sparx5_port_verify_speed(struct sparx5 *sparx5,  in sparx5_port_verify_speed()  argument
263 static bool sparx5_dev_change(struct sparx5 *sparx5,  in sparx5_dev_change()  argument
271 static int sparx5_port_flush_poll(struct sparx5 *sparx5, u32 portno)  in sparx5_port_flush_poll()  argument
290 				value = spx5_rd(sparx5,  in sparx5_port_flush_poll()
304 			dev_err(sparx5->dev,  in sparx5_port_flush_poll()
315 static int sparx5_port_disable(struct sparx5 *sparx5, struct sparx5_port *port, bool high_spd_dev)  in sparx5_port_disable()  argument
321 	void __iomem *devinst = spx5_inst_get(sparx5, dev, tinst);  in sparx5_port_disable()
353 		 sparx5,  in sparx5_port_disable()
359 		 sparx5,  in sparx5_port_disable()
365 		 sparx5,  in sparx5_port_disable()
381 		 sparx5,  in sparx5_port_disable()
387 		 sparx5,  in sparx5_port_disable()
391 	err = sparx5_port_flush_poll(sparx5, port->portno);  in sparx5_port_disable()
425 		 sparx5,  in sparx5_port_disable()
430 		void __iomem *pcsinst = spx5_inst_get(sparx5, pcs, tinst);  in sparx5_port_disable()
442 				 sparx5,  in sparx5_port_disable()
448 			 sparx5,  in sparx5_port_disable()
456 static int sparx5_port_fifo_sz(struct sparx5 *sparx5,  in sparx5_port_fifo_sz()  argument
459 	u32 sys_clk = sparx5_clk_period(sparx5->coreclock);  in sparx5_port_fifo_sz()
515 static int sparx5_port_mux_set(struct sparx5 *sparx5,  in sparx5_port_mux_set()  argument
530 			 sparx5,  in sparx5_port_mux_set()
541 				 sparx5,  in sparx5_port_mux_set()
551 static int sparx5_port_max_tags_set(struct sparx5 *sparx5,  in sparx5_port_max_tags_set()  argument
562 	void __iomem *inst  = spx5_inst_get(sparx5, dev, tinst);  in sparx5_port_max_tags_set()
574 		sparx5,  in sparx5_port_max_tags_set()
599 int sparx5_port_fwd_urg(struct sparx5 *sparx5, u32 speed)  in sparx5_port_fwd_urg()  argument
634 static int sparx5_port_fc_setup(struct sparx5 *sparx5,  in sparx5_port_fc_setup()  argument
648 		 sparx5,  in sparx5_port_fc_setup()
654 		 sparx5,  in sparx5_port_fc_setup()
660 		 sparx5,  in sparx5_port_fc_setup()
666 		 sparx5,  in sparx5_port_fc_setup()
680 int sparx5_serdes_set(struct sparx5 *sparx5,  in sparx5_serdes_set()  argument
726 static int sparx5_port_pcs_low_set(struct sparx5 *sparx5,  in sparx5_port_pcs_low_set()  argument
741 		err = sparx5_serdes_set(sparx5, port, conf);  in sparx5_port_pcs_low_set()
751 		 sparx5,  in sparx5_port_pcs_low_set()
756 		sparx5,  in sparx5_port_pcs_low_set()
767 			sparx5,  in sparx5_port_pcs_low_set()
770 		spx5_wr(0, sparx5, DEV2G5_PCS1G_ANEG_CFG(port->portno));  in sparx5_port_pcs_low_set()
780 		 sparx5,  in sparx5_port_pcs_low_set()
786 static int sparx5_port_pcs_high_set(struct sparx5 *sparx5,  in sparx5_port_pcs_high_set()  argument
798 	devinst = spx5_inst_get(sparx5, dev, pix);  in sparx5_port_pcs_high_set()
799 	pcsinst = spx5_inst_get(sparx5, pcs, pix);  in sparx5_port_pcs_high_set()
802 	err = sparx5_serdes_set(sparx5, port, conf);  in sparx5_port_pcs_high_set()
809 			 sparx5,  in sparx5_port_pcs_high_set()
843 static void sparx5_dev_switch(struct sparx5 *sparx5, int port, bool hsd)  in sparx5_dev_switch()  argument
850 			 sparx5,  in sparx5_dev_switch()
855 			 sparx5,  in sparx5_dev_switch()
860 			 sparx5,  in sparx5_dev_switch()
866 static int sparx5_port_config_low_set(struct sparx5 *sparx5,  in sparx5_port_config_low_set()  argument
885 		 sparx5,  in sparx5_port_config_low_set()
892 		sparx5,  in sparx5_port_config_low_set()
898 		 sparx5,  in sparx5_port_config_low_set()
904 		sparx5,  in sparx5_port_config_low_set()
914 		 sparx5,  in sparx5_port_config_low_set()
920 int sparx5_port_pcs_set(struct sparx5 *sparx5,  in sparx5_port_pcs_set()  argument
928 	if (sparx5_dev_change(sparx5, port, conf)) {  in sparx5_port_pcs_set()
930 		sparx5_dev_switch(sparx5, port->portno, high_speed_dev);  in sparx5_port_pcs_set()
933 		err = sparx5_port_disable(sparx5, port, !high_speed_dev);  in sparx5_port_pcs_set()
938 	err = sparx5_port_disable(sparx5, port, high_speed_dev);  in sparx5_port_pcs_set()
943 		err = sparx5_port_pcs_high_set(sparx5, port, conf);  in sparx5_port_pcs_set()
945 		err = sparx5_port_pcs_low_set(sparx5, port, conf);  in sparx5_port_pcs_set()
954 			 sparx5,  in sparx5_port_pcs_set()
960 			 sparx5,  in sparx5_port_pcs_set()
969 int sparx5_port_config(struct sparx5 *sparx5,  in sparx5_port_config()  argument
976 	err = sparx5_port_verify_speed(sparx5, port, conf);  in sparx5_port_config()
982 		sparx5_port_config_low_set(sparx5, port, conf);  in sparx5_port_config()
985 	err = sparx5_port_fc_setup(sparx5, port, conf);  in sparx5_port_config()
990 	stop_wm = sparx5_port_fifo_sz(sparx5, port->portno, conf->speed);  in sparx5_port_config()
993 		 sparx5,  in sparx5_port_config()
997 	urgency = sparx5_port_fwd_urg(sparx5, conf->speed);  in sparx5_port_config()
1002 		 sparx5,  in sparx5_port_config()
1012 int sparx5_port_init(struct sparx5 *sparx5,  in sparx5_port_init()  argument
1029 	devinst = spx5_inst_get(sparx5, devhigh, pix);  in sparx5_port_init()
1030 	pcsinst = spx5_inst_get(sparx5, pcs, pix);  in sparx5_port_init()
1033 	err = sparx5_port_mux_set(sparx5, port, conf);  in sparx5_port_init()
1038 	err = sparx5_port_max_tags_set(sparx5, port);  in sparx5_port_init()
1045 		 sparx5,  in sparx5_port_init()
1052 		sparx5,  in sparx5_port_init()
1062 		 sparx5,  in sparx5_port_init()
1067 		sparx5,  in sparx5_port_init()
1071 	spx5_wr(PAUSE_DISCARD, sparx5, ANA_CL_CAPTURE_BPDU_CFG(port->portno));  in sparx5_port_init()
1075 		err = sparx5_serdes_set(sparx5, port, conf);  in sparx5_port_init()
1083 				 sparx5,  in sparx5_port_init()
1086 		sparx5_dev_switch(sparx5, port->portno, false);  in sparx5_port_init()
1092 			 sparx5,  in sparx5_port_init()
1099 		sparx5,  in sparx5_port_init()
1110 		sparx5_dev_switch(sparx5, port->portno, true);  in sparx5_port_init()
1130 			sparx5,  in sparx5_port_init()
1139 	struct sparx5 *sparx5 = port->sparx5;  in sparx5_port_enable()  local
1144 		 sparx5,  in sparx5_port_enable()