cavium-octeon/executive/cvmx-helper.c

7  * Copyright (c) 2003-2008 Cavium Networks
14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
36 #include <asm/octeon/cvmx-config.h>
38 #include <asm/octeon/cvmx-fpa.h>
39 #include <asm/octeon/cvmx-pip.h>
40 #include <asm/octeon/cvmx-pko.h>
41 #include <asm/octeon/cvmx-ipd.h>
42 #include <asm/octeon/cvmx-spi.h>
43 #include <asm/octeon/cvmx-helper.h>
44 #include <asm/octeon/cvmx-helper-board.h>
46 #include <asm/octeon/cvmx-pip-defs.h>
47 #include <asm/octeon/cvmx-asxx-defs.h>
54  * may have multiple ports. Most chips support two interfaces,
80  * Return the number of ports on an interface. Depending on the
81  * chip and configuration, this can be 1-16. A value of 0
86  * Returns Number of ports on interface. Can be Zero.
104 		/* QLM is disabled when QLM SPD is 15. */  in __cvmx_get_mode_cn68xx()
118 		/* QLM is disabled when QLM SPD is 15. */  in __cvmx_get_mode_cn68xx()
130 		/* QLM is disabled when QLM SPD is 15. */  in __cvmx_get_mode_cn68xx()
290  *	   DISABLED.
326 	/* Interface 1 is always disabled on CN31XX and CN30XX */  in cvmx_helper_interface_get_mode()
368  * the defines in executive-config.h.
416  * the ports will be performed later.
425 		/* These types don't support ports to IPD/PKO */  in cvmx_helper_interface_enumerate()
437 		 * functions refer to these ports as RGMII.  in cvmx_helper_interface_enumerate()
445 		 * SPI4 can have 1-16 ports depending on the device at  in cvmx_helper_interface_enumerate()
453 		 * SGMII can have 1-4 ports depending on how many are  in cvmx_helper_interface_enumerate()
467 		 * Special loopback only ports. These are not the same  in cvmx_helper_interface_enumerate()
468 		 * as other ports in loopback mode.  in cvmx_helper_interface_enumerate()
489  * number of hardware ports connected to it. It doesn't setup the
490  * ports or enable them. The main goal here is to set the global
492  * ports will be performed later.
503 	   needed to determine port counts. Receive must still be disabled */  in cvmx_helper_interface_probe()
505 		/* These types don't support ports to IPD/PKO */  in cvmx_helper_interface_probe()
515 		 * functions refer to these ports as RGMII.  in cvmx_helper_interface_probe()
522 		 * SPI4 can have 1-16 ports depending on the device at  in cvmx_helper_interface_probe()
529 		 * SGMII can have 1-4 ports depending on how many are  in cvmx_helper_interface_probe()
541 		 * Special loopback only ports. These are not the same  in cvmx_helper_interface_probe()
542 		 * as other ports in loopback mode.  in cvmx_helper_interface_probe()
556  * Setup the IPD/PIP for the ports on an interface. Packet
558  * interface. The number of ports on the interface must already
570 	while (num_ports--) {  in __cvmx_helper_interface_setup_ipd()
600  * Setup the PKO for the ports on an interface. The number of
602  * is set here. PKO must be disabled when this function is called.
619 	 * the second half.  With per-core PKO queues (PKO lockless  in __cvmx_helper_interface_setup_pko()
626 	 * Setup the IPD/PIP and PKO for the ports discovered  in __cvmx_helper_interface_setup_pko()
632 	while (num_ports--) {  in __cvmx_helper_interface_setup_pko()
716  * hardware ports. PKO should still be disabled to make sure packets
727 		/* These types don't support ports to IPD/PKO */  in __cvmx_helper_packet_hardware_enable()
738 		 * functions refer to these ports as RGMII  in __cvmx_helper_packet_hardware_enable()
745 		 * SPI4 can have 1-16 ports depending on the device at  in __cvmx_helper_packet_hardware_enable()
752 		 * SGMII can have 1-4 ports depending on how many are  in __cvmx_helper_packet_hardware_enable()
764 		 * Special loopback only ports. These are not the same  in __cvmx_helper_packet_hardware_enable()
765 		 * as other ports in loopback mode  in __cvmx_helper_packet_hardware_enable()
783      (CVMX_FPA_PACKET_POOL_SIZE-8-CVMX_HELPER_FIRST_MBUFF_SKIP)  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
785 	(CVMX_FPA_PACKET_POOL_SIZE-8-CVMX_HELPER_NOT_FIRST_MBUFF_SKIP)  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
787 	/* Ports 0-15 are interface 0, 16-31 are interface 1 */  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
819 	 * Disable reception on all ports so if traffic is present it  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
832 		num_segs = (2 + pkt_pcnt - wqe_pcnt) & 3;  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
841 		    ((num_segs - 1) * FIX_IPD_NON_FIRST_BUFF_PAYLOAD_BYTES) -  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
875 		p64[2] = ((uint64_t) (size - 14) << 48) | 0x5ae740004000ull;  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
883 			if (i == (num_segs - 1))  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
912 				INTERFACE(FIX_IPD_OUTPORT)), 65392 - 14 - 4);  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
915 				INTERFACE(FIX_IPD_OUTPORT)), 65392 - 14 - 4);  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
930 			retry_cnt--;  in __cvmx_helper_errata_fix_ipd_ptr_alignment()
983 	 * Time to enable hardware ports packet input and output. Note  in cvmx_helper_ipd_and_packet_input_enable()
985 	 * must be disabled  in cvmx_helper_ipd_and_packet_input_enable()
998 	    && (cvmx_sysinfo_get()->board_type != CVMX_BOARD_TYPE_SIM))  in cvmx_helper_ipd_and_packet_input_enable()
1006  * simple priority based queues for the ethernet ports. Each
1011  * Returns Zero on success, non-zero on failure
1022 	 * be disabled.  in cvmx_helper_initialize_packet_io_global()
1041 			cvmx_dprintf("Interface %d has %d ports (%s)\n",  in cvmx_helper_initialize_packet_io_global()
1099 			WARN_ONCE(1, "Using deprecated link status - please update your DT");  in cvmx_helper_link_get()
1137 	int result = -1;  in cvmx_helper_link_set()
1142 		return -1;  in cvmx_helper_link_set()
1153 		 * functions refer to these ports as RGMII.  in cvmx_helper_link_set()