contrib/octeon-sdk/cvmx-helper-rgmii.c

97  * @param interface Interface to probe
101 int __cvmx_helper_rgmii_probe(int interface)
105     mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
111             cvmx_dprintf("ERROR: RGMII initialize called in SPI interface\n");
144  * Put an RGMII interface in loopback mode. Internal packets sent
152     int interface = (port >> 4) & 1;
161     cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);
162     cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200);
163     cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000);
164     cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
165     tmp = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));
166     cvmx_write_csr(CVMX_ASXX_PRT_LOOP(interface), (1 << index) | tmp);
167     tmp = cvmx_read_csr(CVMX_ASXX_TX_PRT_EN(interface));
168     cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface), (1 << index) | tmp);
169     tmp = cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface));
170     cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface), (1 << index) | tmp);
172     cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
179  * to get RGMII to function on the supplied interface.
181  * @param interface PKO Interface to configure (0 or 1)
185 int __cvmx_helper_rgmii_enable(int interface)
187     int num_ports = cvmx_helper_ports_on_interface(interface);
193     mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
203     cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface), asx_tx.u64);
207     cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface), asx_rx.u64);
218         frm_ctl.u64 = cvmx_read_csr(CVMX_GMXX_RXX_FRM_CTL(port, interface));
220         cvmx_write_csr(CVMX_GMXX_RXX_FRM_CTL(port, interface), frm_ctl.u64);
226         cvmx_write_csr(CVMX_GMXX_TXX_PAUSE_PKT_TIME(port, interface), 20000);
227         cvmx_write_csr(CVMX_GMXX_TXX_PAUSE_PKT_INTERVAL(port, interface), 19000);
233         cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface), 26);
234         cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, interface), 26);
244                 cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface), 4);
246                 cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface), 7);
248             cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, interface), 0);
257             cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface), 16);
258             cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, interface), 16);
262             cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface), 24);
263             cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, interface), 24);
269     __cvmx_helper_setup_gmx(interface, num_ports);
275         cvmx_helper_link_autoconf(cvmx_helper_get_ipd_port(interface, port));
276         gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(port, interface));
278         cvmx_write_csr(CVMX_GMXX_PRTX_CFG(port, interface), gmx_cfg.u64);
297     int interface = cvmx_helper_get_interface_num(ipd_port);
301     asxx_prt_loop.u64 = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));
333     int interface = cvmx_helper_get_interface_num(ipd_port);
348     original_gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
352     cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface),
353                    cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface)) & ~(1<<index));
370     gmx_tx_ovr_bp.u64 = cvmx_read_csr(CVMX_GMXX_TX_OVR_BP(interface));
374     cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmx_tx_ovr_bp.u64);
375     cvmx_read_csr(CVMX_GMXX_TX_OVR_BP(interface));
381     cvmx_write_csr(CVMX_NPI_DBG_SELECT, interface*0x800 + index*0x100 + 0x880);
387     cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);
388     cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
416         cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 50);
417         cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x40);
418         cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0);
422         cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 5);
423         cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x40);
424         cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0);
428         cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);
429         cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200);
430         cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000);
438             mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
454                 cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);
460     cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
463     cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);
466     cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface),
467                    cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface)) | (1<<index));
478     cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmx_tx_ovr_bp_save.u64);
482     cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);
504     int interface = cvmx_helper_get_interface_num(ipd_port);
511     gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
521         cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);
522         cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200);
523         cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000);
525     cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
528     asxx_prt_loop.u64 = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));
537     cvmx_write_csr(CVMX_ASXX_PRT_LOOP(interface), asxx_prt_loop.u64);
543         tmp = cvmx_read_csr(CVMX_ASXX_TX_PRT_EN(interface));
544         cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface), (1 << index) | tmp);
545         tmp = cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface));
546         cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface), (1 << index) | tmp);
552     cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);