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

47 void __cvmx_interrupt_gmxx_enable(int interface);
53  * @interface: Interface to probe
57 int __cvmx_helper_rgmii_probe(int interface)  in __cvmx_helper_rgmii_probe()  argument
61 	mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));  in __cvmx_helper_rgmii_probe()
67 				     "SPI interface\n");  in __cvmx_helper_rgmii_probe()
97  * Put an RGMII interface in loopback mode. Internal packets sent
105 	int interface = (port >> 4) & 1;  in cvmx_helper_rgmii_internal_loopback()  local
114 	cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);  in cvmx_helper_rgmii_internal_loopback()
115 	cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200);  in cvmx_helper_rgmii_internal_loopback()
116 	cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000);  in cvmx_helper_rgmii_internal_loopback()
117 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);  in cvmx_helper_rgmii_internal_loopback()
118 	tmp = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));  in cvmx_helper_rgmii_internal_loopback()
119 	cvmx_write_csr(CVMX_ASXX_PRT_LOOP(interface), (1 << index) | tmp);  in cvmx_helper_rgmii_internal_loopback()
120 	tmp = cvmx_read_csr(CVMX_ASXX_TX_PRT_EN(interface));  in cvmx_helper_rgmii_internal_loopback()
121 	cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface), (1 << index) | tmp);  in cvmx_helper_rgmii_internal_loopback()
122 	tmp = cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface));  in cvmx_helper_rgmii_internal_loopback()
123 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface), (1 << index) | tmp);  in cvmx_helper_rgmii_internal_loopback()
125 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);  in cvmx_helper_rgmii_internal_loopback()
131  * @interface: Interface to setup
138 static int __cvmx_helper_errata_asx_pass1(int interface, int port,  in __cvmx_helper_errata_asx_pass1()  argument
143 		cvmx_write_csr(CVMX_ASXX_TX_HI_WATERX(port, interface), 12);  in __cvmx_helper_errata_asx_pass1()
145 		cvmx_write_csr(CVMX_ASXX_TX_HI_WATERX(port, interface), 11);  in __cvmx_helper_errata_asx_pass1()
147 		cvmx_write_csr(CVMX_ASXX_TX_HI_WATERX(port, interface), 10);  in __cvmx_helper_errata_asx_pass1()
149 		cvmx_write_csr(CVMX_ASXX_TX_HI_WATERX(port, interface), 9);  in __cvmx_helper_errata_asx_pass1()
158  * to get RGMII to function on the supplied interface.
160  * @interface: PKO Interface to configure (0 or 1)
164 int __cvmx_helper_rgmii_enable(int interface)  in __cvmx_helper_rgmii_enable()  argument
166 	int num_ports = cvmx_helper_ports_on_interface(interface);  in __cvmx_helper_rgmii_enable()
173 	mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));  in __cvmx_helper_rgmii_enable()
185 	cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface), asx_tx.u64);  in __cvmx_helper_rgmii_enable()
189 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface), asx_rx.u64);  in __cvmx_helper_rgmii_enable()
197 			__cvmx_helper_errata_asx_pass1(interface, port,  in __cvmx_helper_rgmii_enable()
209 					  (port, interface));  in __cvmx_helper_rgmii_enable()
212 			cvmx_write_csr(CVMX_GMXX_RXX_FRM_CTL(port, interface),  in __cvmx_helper_rgmii_enable()
223 		cvmx_write_csr(CVMX_GMXX_TXX_PAUSE_PKT_TIME(port, interface),  in __cvmx_helper_rgmii_enable()
226 			       (port, interface), 19000);  in __cvmx_helper_rgmii_enable()
229 			cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface),  in __cvmx_helper_rgmii_enable()
231 			cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, interface),  in __cvmx_helper_rgmii_enable()
234 			cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface),  in __cvmx_helper_rgmii_enable()
236 			cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, interface),  in __cvmx_helper_rgmii_enable()
241 	__cvmx_helper_setup_gmx(interface, num_ports);  in __cvmx_helper_rgmii_enable()
247 					  (interface, port));  in __cvmx_helper_rgmii_enable()
249 		    cvmx_read_csr(CVMX_GMXX_PRTX_CFG(port, interface));  in __cvmx_helper_rgmii_enable()
251 		cvmx_write_csr(CVMX_GMXX_PRTX_CFG(port, interface),  in __cvmx_helper_rgmii_enable()
254 	__cvmx_interrupt_asxx_enable(interface);  in __cvmx_helper_rgmii_enable()
255 	__cvmx_interrupt_gmxx_enable(interface);  in __cvmx_helper_rgmii_enable()
272 	int interface = cvmx_helper_get_interface_num(ipd_port);  in __cvmx_helper_rgmii_link_get()  local
276 	asxx_prt_loop.u64 = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));  in __cvmx_helper_rgmii_link_get()
305 	int interface = cvmx_helper_get_interface_num(ipd_port);  in __cvmx_helper_rgmii_link_set()  local
321 	    cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));  in __cvmx_helper_rgmii_link_set()
325 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface),  in __cvmx_helper_rgmii_link_set()
326 		       cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface)) &  in __cvmx_helper_rgmii_link_set()
343 	gmx_tx_ovr_bp.u64 = cvmx_read_csr(CVMX_GMXX_TX_OVR_BP(interface));  in __cvmx_helper_rgmii_link_set()
347 	cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmx_tx_ovr_bp.u64);  in __cvmx_helper_rgmii_link_set()
348 	cvmx_read_csr(CVMX_GMXX_TX_OVR_BP(interface));  in __cvmx_helper_rgmii_link_set()
358 		       interface * 0x800 + index * 0x100 + 0x880);  in __cvmx_helper_rgmii_link_set()
366 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);  in __cvmx_helper_rgmii_link_set()
367 	cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));  in __cvmx_helper_rgmii_link_set()
393 		cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 50);  in __cvmx_helper_rgmii_link_set()
394 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x40);  in __cvmx_helper_rgmii_link_set()
395 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0);  in __cvmx_helper_rgmii_link_set()
397 		cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 5);  in __cvmx_helper_rgmii_link_set()
398 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x40);  in __cvmx_helper_rgmii_link_set()
399 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0);  in __cvmx_helper_rgmii_link_set()
401 		cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);  in __cvmx_helper_rgmii_link_set()
402 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200);  in __cvmx_helper_rgmii_link_set()
403 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000);  in __cvmx_helper_rgmii_link_set()
409 			mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));  in __cvmx_helper_rgmii_link_set()
426 					       (index, interface), 1);  in __cvmx_helper_rgmii_link_set()
432 	cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));  in __cvmx_helper_rgmii_link_set()
435 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);  in __cvmx_helper_rgmii_link_set()
438 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface),  in __cvmx_helper_rgmii_link_set()
439 		       cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface)) | (1 <<  in __cvmx_helper_rgmii_link_set()
451 	cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmx_tx_ovr_bp_save.u64);  in __cvmx_helper_rgmii_link_set()
455 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);  in __cvmx_helper_rgmii_link_set()
476 	int interface = cvmx_helper_get_interface_num(ipd_port);  in __cvmx_helper_rgmii_configure_loopback()  local
483 	gmx_cfg.u64 = cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));  in __cvmx_helper_rgmii_configure_loopback()
492 		cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);  in __cvmx_helper_rgmii_configure_loopback()
493 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200);  in __cvmx_helper_rgmii_configure_loopback()
494 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000);  in __cvmx_helper_rgmii_configure_loopback()
496 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);  in __cvmx_helper_rgmii_configure_loopback()
499 	asxx_prt_loop.u64 = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));  in __cvmx_helper_rgmii_configure_loopback()
508 	cvmx_write_csr(CVMX_ASXX_PRT_LOOP(interface), asxx_prt_loop.u64);  in __cvmx_helper_rgmii_configure_loopback()
513 		tmp = cvmx_read_csr(CVMX_ASXX_TX_PRT_EN(interface));  in __cvmx_helper_rgmii_configure_loopback()
514 		cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface),  in __cvmx_helper_rgmii_configure_loopback()
516 		tmp = cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface));  in __cvmx_helper_rgmii_configure_loopback()
517 		cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface),  in __cvmx_helper_rgmii_configure_loopback()
524 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);  in __cvmx_helper_rgmii_configure_loopback()