69 /* Port count per interface */
77  * Return the number of interfaces the chip has. Each interface
80  * one interface.
93  * Return the number of ports on an interface. Depending on the
95  * specifies that the interface doesn't exist or isn't usable.
97  * @interface: Interface to get the port count for
99  * Returns Number of ports on interface. Can be Zero.
101 int cvmx_helper_ports_on_interface(int interface)  in cvmx_helper_ports_on_interface()  argument
103 	return interface_port_count[interface];  in cvmx_helper_ports_on_interface()
107  * Get the operating mode of an interface. Depending on the Octeon
109  * of the type of packet I/O supported by an interface.
111  * @interface: Interface to probe
113  * Returns Mode of the interface. Unknown or unsupported interfaces return
116 cvmx_helper_interface_mode_t cvmx_helper_interface_get_mode(int interface)  in cvmx_helper_interface_get_mode()  argument
119 	if (interface == 2)  in cvmx_helper_interface_get_mode()
122 	if (interface == 3) {  in cvmx_helper_interface_get_mode()
130 	if (interface == 0  in cvmx_helper_interface_get_mode()
134 		 * Lie about interface type of CN3005 board.  This  in cvmx_helper_interface_get_mode()
146 	/* Interface 1 is always disabled on CN31XX and CN30XX */  in cvmx_helper_interface_get_mode()
147 	if ((interface == 1)  in cvmx_helper_interface_get_mode()
153 	mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));  in cvmx_helper_interface_get_mode()
190  *                 per interface numbering
237  * This function sets the interface_port_count[interface] correctly,
241  * @interface: Interface to probe
245 int cvmx_helper_interface_enumerate(int interface)  in cvmx_helper_interface_enumerate()  argument
247 	switch (cvmx_helper_interface_get_mode(interface)) {  in cvmx_helper_interface_enumerate()
251 		interface_port_count[interface] = 0;  in cvmx_helper_interface_enumerate()
255 		interface_port_count[interface] =  in cvmx_helper_interface_enumerate()
256 		    __cvmx_helper_xaui_enumerate(interface);  in cvmx_helper_interface_enumerate()
264 		interface_port_count[interface] =  in cvmx_helper_interface_enumerate()
265 		    __cvmx_helper_rgmii_enumerate(interface);  in cvmx_helper_interface_enumerate()
272 		interface_port_count[interface] =  in cvmx_helper_interface_enumerate()
273 		    __cvmx_helper_spi_enumerate(interface);  in cvmx_helper_interface_enumerate()
281 		interface_port_count[interface] =  in cvmx_helper_interface_enumerate()
282 		    __cvmx_helper_sgmii_enumerate(interface);  in cvmx_helper_interface_enumerate()
284 		/* PCI target Network Packet Interface */  in cvmx_helper_interface_enumerate()
286 		interface_port_count[interface] =  in cvmx_helper_interface_enumerate()
287 		    __cvmx_helper_npi_enumerate(interface);  in cvmx_helper_interface_enumerate()
294 		interface_port_count[interface] =  in cvmx_helper_interface_enumerate()
295 		    __cvmx_helper_loop_enumerate(interface);  in cvmx_helper_interface_enumerate()
299 	interface_port_count[interface] =  in cvmx_helper_interface_enumerate()
300 	    __cvmx_helper_board_interface_probe(interface,  in cvmx_helper_interface_enumerate()
302 						[interface]);  in cvmx_helper_interface_enumerate()
311  * This function probes an interface to determine the actual
314  * interface_port_count[interface] correctly. Hardware setup of the
317  * @interface: Interface to probe
321 int cvmx_helper_interface_probe(int interface)  in cvmx_helper_interface_probe()  argument
323 	cvmx_helper_interface_enumerate(interface);  in cvmx_helper_interface_probe()
327 	switch (cvmx_helper_interface_get_mode(interface)) {  in cvmx_helper_interface_probe()
334 		__cvmx_helper_xaui_probe(interface);  in cvmx_helper_interface_probe()
342 		__cvmx_helper_rgmii_probe(interface);  in cvmx_helper_interface_probe()
349 		__cvmx_helper_spi_probe(interface);  in cvmx_helper_interface_probe()
357 		__cvmx_helper_sgmii_probe(interface);  in cvmx_helper_interface_probe()
359 		/* PCI target Network Packet Interface */  in cvmx_helper_interface_probe()
361 		__cvmx_helper_npi_probe(interface);  in cvmx_helper_interface_probe()
368 		__cvmx_helper_loop_probe(interface);  in cvmx_helper_interface_probe()
379  * Setup the IPD/PIP for the ports on an interface. Packet
381  * interface. The number of ports on the interface must already
384  * @interface: Interface to setup IPD/PIP for
388 static int __cvmx_helper_interface_setup_ipd(int interface)  in __cvmx_helper_interface_setup_ipd()  argument
390 	int ipd_port = cvmx_helper_get_ipd_port(interface, 0);  in __cvmx_helper_interface_setup_ipd()
391 	int num_ports = interface_port_count[interface];  in __cvmx_helper_interface_setup_ipd()
402  * interface or port. This must be called before IPD is enabled.
423  * Setup the PKO for the ports on an interface. The number of
427  * @interface: Interface to setup PKO for
431 static int __cvmx_helper_interface_setup_pko(int interface)  in __cvmx_helper_interface_setup_pko()  argument
453 	int ipd_port = cvmx_helper_get_ipd_port(interface, 0);  in __cvmx_helper_interface_setup_pko()
454 	int num_ports = interface_port_count[interface];  in __cvmx_helper_interface_setup_pko()
475  * interface or port. This must be called before PKO is enabled.
504 	int interface;  in __cvmx_helper_global_setup_backpressure()  local
505 	for (interface = 0; interface < num_interfaces; interface++) {  in __cvmx_helper_global_setup_backpressure()
506 		switch (cvmx_helper_interface_get_mode(interface)) {  in __cvmx_helper_global_setup_backpressure()
518 			cvmx_gmx_set_backpressure_override(interface, 0xf);  in __cvmx_helper_global_setup_backpressure()
534  * @interface: Interface to enable
538 static int __cvmx_helper_packet_hardware_enable(int interface)  in __cvmx_helper_packet_hardware_enable()  argument
541 	switch (cvmx_helper_interface_get_mode(interface)) {  in __cvmx_helper_packet_hardware_enable()
549 		result = __cvmx_helper_xaui_enable(interface);  in __cvmx_helper_packet_hardware_enable()
557 		result = __cvmx_helper_rgmii_enable(interface);  in __cvmx_helper_packet_hardware_enable()
564 		result = __cvmx_helper_spi_enable(interface);  in __cvmx_helper_packet_hardware_enable()
572 		result = __cvmx_helper_sgmii_enable(interface);  in __cvmx_helper_packet_hardware_enable()
574 		/* PCI target Network Packet Interface */  in __cvmx_helper_packet_hardware_enable()
576 		result = __cvmx_helper_npi_enable(interface);  in __cvmx_helper_packet_hardware_enable()
583 		result = __cvmx_helper_loop_enable(interface);  in __cvmx_helper_packet_hardware_enable()
586 	result |= __cvmx_helper_board_hardware_enable(interface);  in __cvmx_helper_packet_hardware_enable()
603 	/* Ports 0-15 are interface 0, 16-31 are interface 1 */  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
604 #define INTERFACE(port) (port >> 4)  in __cvmx_helper_errata_fix_ipd_ptr_alignment()  macro
620 			  (INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)));  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
622 	    cvmx_read_csr(CVMX_ASXX_TX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)));  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
624 	    cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)));  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
627 			  (INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)));  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
630 			  (INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)));  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
639 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)), 0);  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
661 		cvmx_write_csr(CVMX_ASXX_PRT_LOOP(INTERFACE(FIX_IPD_OUTPORT)),  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
717 				   INTERFACE(FIX_IPD_OUTPORT)));  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
721 				INTERFACE(FIX_IPD_OUTPORT)), gmx_cfg.u64);  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
722 		cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)),  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
724 		cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)),  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
729 				INTERFACE(FIX_IPD_OUTPORT)), 65392 - 14 - 4);  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
732 				INTERFACE(FIX_IPD_OUTPORT)), 65392 - 14 - 4);  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
763 		       (INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)),  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
765 	cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)),  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
767 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(INTERFACE(FIX_IPD_OUTPORT)),  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
770 		       (INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)),  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
773 		       (INDEX(FIX_IPD_OUTPORT), INTERFACE(FIX_IPD_OUTPORT)),  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
775 	cvmx_write_csr(CVMX_ASXX_PRT_LOOP(INTERFACE(FIX_IPD_OUTPORT)), 0);  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
803 	int interface;  in cvmx_helper_ipd_and_packet_input_enable()  local
814 	for (interface = 0; interface < num_interfaces; interface++) {  in cvmx_helper_ipd_and_packet_input_enable()
815 		if (cvmx_helper_ports_on_interface(interface) > 0)  in cvmx_helper_ipd_and_packet_input_enable()
816 			__cvmx_helper_packet_hardware_enable(interface);  in cvmx_helper_ipd_and_packet_input_enable()
841 	int interface;  in cvmx_helper_initialize_packet_io_global()  local
882 	for (interface = 0; interface < num_interfaces; interface++) {  in cvmx_helper_initialize_packet_io_global()
883 		result |= cvmx_helper_interface_probe(interface);  in cvmx_helper_initialize_packet_io_global()
884 		if (cvmx_helper_ports_on_interface(interface) > 0)  in cvmx_helper_initialize_packet_io_global()
885 			cvmx_dprintf("Interface %d has %d ports (%s)\n",  in cvmx_helper_initialize_packet_io_global()
886 				     interface,  in cvmx_helper_initialize_packet_io_global()
887 				     cvmx_helper_ports_on_interface(interface),  in cvmx_helper_initialize_packet_io_global()
890 				      (interface)));  in cvmx_helper_initialize_packet_io_global()
891 		result |= __cvmx_helper_interface_setup_ipd(interface);  in cvmx_helper_initialize_packet_io_global()
892 		result |= __cvmx_helper_interface_setup_pko(interface);  in cvmx_helper_initialize_packet_io_global()
929 	int interface = cvmx_helper_get_interface_num(ipd_port);  in cvmx_helper_link_autoconf()  local
932 	if (index >= cvmx_helper_ports_on_interface(interface)) {  in cvmx_helper_link_autoconf()
964 	int interface = cvmx_helper_get_interface_num(ipd_port);  in cvmx_helper_link_get()  local
971 	if (index >= cvmx_helper_ports_on_interface(interface))  in cvmx_helper_link_get()
974 	switch (cvmx_helper_interface_get_mode(interface)) {  in cvmx_helper_link_get()
1024 	int interface = cvmx_helper_get_interface_num(ipd_port);  in cvmx_helper_link_set()  local
1027 	if (index >= cvmx_helper_ports_on_interface(interface))  in cvmx_helper_link_set()
1030 	switch (cvmx_helper_interface_get_mode(interface)) {  in cvmx_helper_link_set()
1081 	int interface = cvmx_helper_get_interface_num(ipd_port);  in cvmx_helper_configure_loopback()  local
1084 	if (index >= cvmx_helper_ports_on_interface(interface))  in cvmx_helper_configure_loopback()
1087 	switch (cvmx_helper_interface_get_mode(interface)) {  in cvmx_helper_configure_loopback()