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

48  * @interface: Interface to probe
52 int __cvmx_helper_rgmii_probe(int interface)
56 	mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
62 				     "SPI interface\n");
92  * Put an RGMII interface in loopback mode. Internal packets sent
100 	int interface = (port >> 4) & 1;
109 	cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);
110 	cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200);
111 	cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000);
112 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
113 	tmp = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));
114 	cvmx_write_csr(CVMX_ASXX_PRT_LOOP(interface), (1 << index) | tmp);
115 	tmp = cvmx_read_csr(CVMX_ASXX_TX_PRT_EN(interface));
116 	cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface), (1 << index) | tmp);
117 	tmp = cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface));
118 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface), (1 << index) | tmp);
120 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), gmx_cfg.u64);
126  * @interface: Interface to setup
133 static int __cvmx_helper_errata_asx_pass1(int interface, int port,
138 		cvmx_write_csr(CVMX_ASXX_TX_HI_WATERX(port, interface), 12);
140 		cvmx_write_csr(CVMX_ASXX_TX_HI_WATERX(port, interface), 11);
142 		cvmx_write_csr(CVMX_ASXX_TX_HI_WATERX(port, interface), 10);
144 		cvmx_write_csr(CVMX_ASXX_TX_HI_WATERX(port, interface), 9);
153  * to get RGMII to function on the supplied interface.
155  * @interface: PKO Interface to configure (0 or 1)
159 int __cvmx_helper_rgmii_enable(int interface)
161 	int num_ports = cvmx_helper_ports_on_interface(interface);
168 	mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
180 	cvmx_write_csr(CVMX_ASXX_TX_PRT_EN(interface), asx_tx.u64);
184 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface), asx_rx.u64);
192 			__cvmx_helper_errata_asx_pass1(interface, port,
204 					  (port, interface));
207 			cvmx_write_csr(CVMX_GMXX_RXX_FRM_CTL(port, interface),
218 		cvmx_write_csr(CVMX_GMXX_TXX_PAUSE_PKT_TIME(port, interface),
221 			       (port, interface), 19000);
224 			cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface),
226 			cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, interface),
229 			cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(port, interface),
231 			cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(port, interface),
236 	__cvmx_helper_setup_gmx(interface, num_ports);
243 		    cvmx_read_csr(CVMX_GMXX_PRTX_CFG(port, interface));
245 		cvmx_write_csr(CVMX_GMXX_PRTX_CFG(port, interface),
248 	__cvmx_interrupt_asxx_enable(interface);
249 	__cvmx_interrupt_gmxx_enable(interface);
266 	int interface = cvmx_helper_get_interface_num(ipd_port);
270 	asxx_prt_loop.u64 = cvmx_read_csr(CVMX_ASXX_PRT_LOOP(interface));
298 	int interface = cvmx_helper_get_interface_num(ipd_port);
314 	    cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
318 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface),
319 		       cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface)) &
336 	gmx_tx_ovr_bp.u64 = cvmx_read_csr(CVMX_GMXX_TX_OVR_BP(interface));
340 	cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmx_tx_ovr_bp.u64);
341 	cvmx_read_csr(CVMX_GMXX_TX_OVR_BP(interface));
351 		       interface * 0x800 + index * 0x100 + 0x880);
359 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);
360 	cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
386 		cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 50);
387 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x40);
388 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0);
390 		cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 5);
391 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x40);
392 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0);
394 		cvmx_write_csr(CVMX_GMXX_TXX_CLK(index, interface), 1);
395 		cvmx_write_csr(CVMX_GMXX_TXX_SLOT(index, interface), 0x200);
396 		cvmx_write_csr(CVMX_GMXX_TXX_BURST(index, interface), 0x2000);
402 			mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));
419 					       (index, interface), 1);
425 	cvmx_read_csr(CVMX_GMXX_PRTX_CFG(index, interface));
428 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);
431 	cvmx_write_csr(CVMX_ASXX_RX_PRT_EN(interface),
432 		       cvmx_read_csr(CVMX_ASXX_RX_PRT_EN(interface)) | (1 <<
444 	cvmx_write_csr(CVMX_GMXX_TX_OVR_BP(interface), gmx_tx_ovr_bp_save.u64);
448 	cvmx_write_csr(CVMX_GMXX_PRTX_CFG(index, interface), new_gmx_cfg.u64);