cavium-octeon/executive/cvmx-helper-sgmii.c

47  * @interface: Interface to init
48  * @index:     Index of prot on the interface
52 static int __cvmx_helper_sgmii_hardware_init_one_time(int interface, int index)
60 	gmxx_prtx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
62 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmxx_prtx_cfg.u64);
70 	    cvmx_read_csr(CVMX_PCSX_MISCX_CTL_REG(index, interface));
72 	    cvmx_read_csr(CVMX_PCSX_LINKX_TIMER_COUNT_REG(index, interface));
82 	cvmx_write_csr(CVMX_PCSX_LINKX_TIMER_COUNT_REG(index, interface),
98 		    cvmx_read_csr(CVMX_PCSX_ANX_ADV_REG(index, interface));
103 		cvmx_write_csr(CVMX_PCSX_ANX_ADV_REG(index, interface),
108 		    cvmx_read_csr(CVMX_PCSX_MISCX_CTL_REG(index, interface));
114 					  (index, interface));
119 				       (index, interface),
132  * @interface: Interface to init
133  * @index:     Index of prot on the interface
137 static int __cvmx_helper_sgmii_hardware_init_link(int interface, int index)
150 	    cvmx_read_csr(CVMX_PCSX_MRX_CONTROL_REG(index, interface));
153 		cvmx_write_csr(CVMX_PCSX_MRX_CONTROL_REG(index, interface),
156 		    (CVMX_PCSX_MRX_CONTROL_REG(index, interface),
160 			     interface, index);
172 	cvmx_write_csr(CVMX_PCSX_MRX_CONTROL_REG(index, interface),
182 	    CVMX_WAIT_FOR_FIELD64(CVMX_PCSX_MRX_STATUS_REG(index, interface),
185 		/* cvmx_dprintf("SGMII%d: Port %d link timeout\n", interface, index); */
195  * @interface: Interface to init
196  * @index:     Index of prot on the interface
201 static int __cvmx_helper_sgmii_hardware_init_link_speed(int interface,
211 	gmxx_prtx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
214 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmxx_prtx_cfg.u64);
218 	    (CVMX_GMXX_PRTX_CFG(index, interface), union cvmx_gmxx_prtx_cfg,
220 	    || CVMX_WAIT_FOR_FIELD64(CVMX_GMXX_PRTX_CFG(index, interface),
225 		     interface, index);
230 	gmxx_prtx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
237 	    cvmx_read_csr(CVMX_PCSX_MISCX_CTL_REG(index, interface));
257 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 64);
258 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0);
265 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 64);
266 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0);
273 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 512);
274 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 8192);
281 	cvmx_write_csr(CVMX_PCSX_MISCX_CTL_REG(index, interface),
285 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmxx_prtx_cfg.u64);
288 	gmxx_prtx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
292 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmxx_prtx_cfg.u64);
298  * Bring up the SGMII interface to be ready for packet I/O but
302  * @interface: Interface to bringup
303  * @num_ports: Number of ports on the interface
307 static int __cvmx_helper_sgmii_hardware_init(int interface, int num_ports)
311 	__cvmx_helper_setup_gmx(interface, num_ports);
314 		int ipd_port = cvmx_helper_get_ipd_port(interface, index);
315 		__cvmx_helper_sgmii_hardware_init_one_time(interface, index);
329 int __cvmx_helper_sgmii_enumerate(int interface)
334  * Probe a SGMII interface and determine the number of ports
335  * connected to it. The SGMII interface should still be down after
338  * @interface: Interface to probe
340  * Returns Number of ports on the interface. Zero to disable.
342 int __cvmx_helper_sgmii_probe(int interface)
348 	 * interface needs to be enabled before IPD otherwise per port
351 	mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
353 	cvmx_write_csr(CVMX_GMXX_INF_MODE(interface), mode.u64);
354 	return __cvmx_helper_sgmii_enumerate(interface);
358  * Bringup and enable a SGMII interface. After this call packet
362  * @interface: Interface to bring up
366 int __cvmx_helper_sgmii_enable(int interface)
368 	int num_ports = cvmx_helper_ports_on_interface(interface);
371 	__cvmx_helper_sgmii_hardware_init(interface, num_ports);
376 		    cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
378 		cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface),
380 		__cvmx_interrupt_pcsx_intx_en_reg_enable(index, interface);
382 	__cvmx_interrupt_pcsxx_int_en_reg_enable(interface);
383 	__cvmx_interrupt_gmxx_enable(interface);
401 	int interface = cvmx_helper_get_interface_num(ipd_port);
416 	    cvmx_read_csr(CVMX_PCSX_MRX_CONTROL_REG(index, interface));
426 	    cvmx_read_csr(CVMX_PCSX_MISCX_CTL_REG(index, interface));
433 		    cvmx_read_csr(CVMX_PCSX_MISCX_CTL_REG(index, interface));
445 					  (index, interface));
448 				    (interface, index) != 0)
455 					  (index, interface));
510 	int interface = cvmx_helper_get_interface_num(ipd_port);
512 	__cvmx_helper_sgmii_hardware_init_link(interface, index);
513 	return __cvmx_helper_sgmii_hardware_init_link_speed(interface, index,