7  * Copyright (C) 2003-2018 Cavium, Inc.
14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
20  * along with this file; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
35 #include <asm/octeon/cvmx-config.h>
37 #include <asm/octeon/cvmx-helper.h>
38 #include <asm/octeon/cvmx-helper-board.h>
40 #include <asm/octeon/cvmx-gmxx-defs.h>
41 #include <asm/octeon/cvmx-pcsx-defs.h>
42 #include <asm/octeon/cvmx-pcsxx-defs.h>
54 	const uint64_t clock_mhz = cvmx_sysinfo_get()->cpu_clock_hz / 1000000;  in __cvmx_helper_sgmii_hardware_init_one_time()
61 	gmxx_prtx_cfg.s.en = 0;  in __cvmx_helper_sgmii_hardware_init_one_time()
66 	 * appropriate value. 1000BASE-X specifies a 10ms  in __cvmx_helper_sgmii_hardware_init_one_time()
73 	if (pcs_misc_ctl_reg.s.mode) {  in __cvmx_helper_sgmii_hardware_init_one_time()
74 		/* 1000BASE-X */  in __cvmx_helper_sgmii_hardware_init_one_time()
88 	 * 1000BASE-X mode, tx_Config_Reg<D15:D0> is PCS*_AN*_ADV_REG.  in __cvmx_helper_sgmii_hardware_init_one_time()
89 	 * In SGMII PHY mode, tx_Config_Reg<D15:D0> is  in __cvmx_helper_sgmii_hardware_init_one_time()
90 	 * PCS*_SGM*_AN_ADV_REG.  In SGMII MAC mode,  in __cvmx_helper_sgmii_hardware_init_one_time()
94 	if (pcs_misc_ctl_reg.s.mode) {  in __cvmx_helper_sgmii_hardware_init_one_time()
95 		/* 1000BASE-X */  in __cvmx_helper_sgmii_hardware_init_one_time()
109 		if (pcsx_miscx_ctl_reg.s.mac_phy) {  in __cvmx_helper_sgmii_hardware_init_one_time()
110 			/* PHY Mode */  in __cvmx_helper_sgmii_hardware_init_one_time()
122 			/* MAC Mode - Nothing to do */  in __cvmx_helper_sgmii_hardware_init_one_time()
151 	if (cvmx_sysinfo_get()->board_type != CVMX_BOARD_TYPE_SIM) {  in __cvmx_helper_sgmii_hardware_init_link()
155 		if (CVMX_WAIT_FOR_FIELD64  in __cvmx_helper_sgmii_hardware_init_link()
161 			return -1;  in __cvmx_helper_sgmii_hardware_init_link()
177 	 * that sgmii autonegotiation is complete. In MAC mode this  in __cvmx_helper_sgmii_hardware_init_link()
181 	if ((cvmx_sysinfo_get()->board_type != CVMX_BOARD_TYPE_SIM) &&  in __cvmx_helper_sgmii_hardware_init_link()
186 		return -1;  in __cvmx_helper_sgmii_hardware_init_link()
212 	is_enabled = gmxx_prtx_cfg.s.en;  in __cvmx_helper_sgmii_hardware_init_link_speed()
213 	gmxx_prtx_cfg.s.en = 0;  in __cvmx_helper_sgmii_hardware_init_link_speed()
217 	if (CVMX_WAIT_FOR_FIELD64  in __cvmx_helper_sgmii_hardware_init_link_speed()
226 		return -1;  in __cvmx_helper_sgmii_hardware_init_link_speed()
240 	 * Use GMXENO to force the link down if the status we get says  in __cvmx_helper_sgmii_hardware_init_link_speed()
245 	/* Only change the duplex setting if the link is up */  in __cvmx_helper_sgmii_hardware_init_link_speed()
246 	if (link_info.s.link_up)  in __cvmx_helper_sgmii_hardware_init_link_speed()
255 		/* Setting from GMX-603 */  in __cvmx_helper_sgmii_hardware_init_link_speed()
291 	gmxx_prtx_cfg.s.en = is_enabled;  in __cvmx_helper_sgmii_hardware_init_link_speed()
321 		if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM)  in __cvmx_helper_sgmii_hardware_init()
344 	union cvmx_gmxx_inf_mode mode;  in __cvmx_helper_sgmii_probe()  local
347 	 * Due to errata GMX-700 on CN56XXp1.x and CN52XXp1.x, the  in __cvmx_helper_sgmii_probe()
351 	mode.u64 = cvmx_read_csr(CVMX_GMXX_INF_MODE(interface));  in __cvmx_helper_sgmii_probe()
352 	mode.s.en = 1;  in __cvmx_helper_sgmii_probe()
353 	cvmx_write_csr(CVMX_GMXX_INF_MODE(interface), mode.u64);  in __cvmx_helper_sgmii_probe()
377 		gmxx_prtx_cfg.s.en = 1;  in __cvmx_helper_sgmii_enable()
390  * Octeon's link config if auto negotiation has changed since
407 	if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_SIM) {  in __cvmx_helper_sgmii_link_get()
417 	if (pcsx_mrx_control_reg.s.loopbck1) {  in __cvmx_helper_sgmii_link_get()
427 	if (pcs_misc_ctl_reg.s.mode) {  in __cvmx_helper_sgmii_link_get()
428 		/* 1000BASE-X */  in __cvmx_helper_sgmii_link_get()
434 		if (pcsx_miscx_ctl_reg.s.mac_phy) {  in __cvmx_helper_sgmii_link_get()
435 			/* PHY Mode */  in __cvmx_helper_sgmii_link_get()
440 			 * Don't bother continuing if the SERTES low  in __cvmx_helper_sgmii_link_get()
446 			if (pcsx_mrx_status_reg.s.lnk_st == 0) {  in __cvmx_helper_sgmii_link_get()
447 				if (__cvmx_helper_sgmii_hardware_init_link  in __cvmx_helper_sgmii_link_get()
456 			if (pcsx_anx_results_reg.s.an_cpt) {  in __cvmx_helper_sgmii_link_get()
488 		} else {	/* MAC Mode */  in __cvmx_helper_sgmii_link_get()