• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/staging/octeon/
1/***********************license start***************
2 * Author: Cavium Networks
3 *
4 * Contact: support@caviumnetworks.com
5 * This file is part of the OCTEON SDK
6 *
7 * Copyright (c) 2003-2008 Cavium Networks
8 *
9 * This file is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License, Version 2, as
11 * published by the Free Software Foundation.
12 *
13 * This file is distributed in the hope that it will be useful, but
14 * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
15 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or
16 * NONINFRINGEMENT.  See the GNU General Public License for more
17 * details.
18 *
19 * You should have received a copy of the GNU General Public License
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
22 * or visit http://www.gnu.org/licenses/.
23 *
24 * This file may also be available under a different license from Cavium.
25 * Contact Cavium Networks for more information
26 ***********************license end**************************************/
27
28/*
29 *
30 * Helper functions to abstract board specific data about
31 * network ports from the rest of the cvmx-helper files.
32 */
33
34#include <asm/octeon/octeon.h>
35#include <asm/octeon/cvmx-bootinfo.h>
36
37#include "cvmx-config.h"
38
39#include "cvmx-mdio.h"
40
41#include "cvmx-helper.h"
42#include "cvmx-helper-util.h"
43#include "cvmx-helper-board.h"
44
45#include "cvmx-gmxx-defs.h"
46#include "cvmx-asxx-defs.h"
47
48/**
49 * cvmx_override_board_link_get(int ipd_port) is a function
50 * pointer. It is meant to allow customization of the process of
51 * talking to a PHY to determine link speed. It is called every
52 * time a PHY must be polled for link status. Users should set
53 * this pointer to a function before calling any cvmx-helper
54 * operations.
55 */
56cvmx_helper_link_info_t(*cvmx_override_board_link_get) (int ipd_port) =
57    NULL;
58
59/**
60 * Return the MII PHY address associated with the given IPD
61 * port. A result of -1 means there isn't a MII capable PHY
62 * connected to this port. On chips supporting multiple MII
63 * busses the bus number is encoded in bits <15:8>.
64 *
65 * This function must be modified for every new Octeon board.
66 * Internally it uses switch statements based on the cvmx_sysinfo
67 * data to determine board types and revisions. It replies on the
68 * fact that every Octeon board receives a unique board type
69 * enumeration from the bootloader.
70 *
71 * @ipd_port: Octeon IPD port to get the MII address for.
72 *
73 * Returns MII PHY address and bus number or -1.
74 */
75int cvmx_helper_board_get_mii_address(int ipd_port)
76{
77	switch (cvmx_sysinfo_get()->board_type) {
78	case CVMX_BOARD_TYPE_SIM:
79		/* Simulator doesn't have MII */
80		return -1;
81	case CVMX_BOARD_TYPE_EBT3000:
82	case CVMX_BOARD_TYPE_EBT5800:
83	case CVMX_BOARD_TYPE_THUNDER:
84	case CVMX_BOARD_TYPE_NICPRO2:
85		/* Interface 0 is SPI4, interface 1 is RGMII */
86		if ((ipd_port >= 16) && (ipd_port < 20))
87			return ipd_port - 16;
88		else
89			return -1;
90	case CVMX_BOARD_TYPE_KODAMA:
91	case CVMX_BOARD_TYPE_EBH3100:
92	case CVMX_BOARD_TYPE_HIKARI:
93	case CVMX_BOARD_TYPE_CN3010_EVB_HS5:
94	case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
95	case CVMX_BOARD_TYPE_CN3020_EVB_HS5:
96		/*
97		 * Port 0 is WAN connected to a PHY, Port 1 is GMII
98		 * connected to a switch
99		 */
100		if (ipd_port == 0)
101			return 4;
102		else if (ipd_port == 1)
103			return 9;
104		else
105			return -1;
106	case CVMX_BOARD_TYPE_NAC38:
107		/* Board has 8 RGMII ports PHYs are 0-7 */
108		if ((ipd_port >= 0) && (ipd_port < 4))
109			return ipd_port;
110		else if ((ipd_port >= 16) && (ipd_port < 20))
111			return ipd_port - 16 + 4;
112		else
113			return -1;
114	case CVMX_BOARD_TYPE_EBH3000:
115		/* Board has dual SPI4 and no PHYs */
116		return -1;
117	case CVMX_BOARD_TYPE_EBH5200:
118	case CVMX_BOARD_TYPE_EBH5201:
119	case CVMX_BOARD_TYPE_EBT5200:
120		/*
121		 * Board has 4 SGMII ports. The PHYs start right after the MII
122		 * ports MII0 = 0, MII1 = 1, SGMII = 2-5.
123		 */
124		if ((ipd_port >= 0) && (ipd_port < 4))
125			return ipd_port + 2;
126		else
127			return -1;
128	case CVMX_BOARD_TYPE_EBH5600:
129	case CVMX_BOARD_TYPE_EBH5601:
130	case CVMX_BOARD_TYPE_EBH5610:
131		/*
132		 * Board has 8 SGMII ports. 4 connect out, two connect
133		 * to a switch, and 2 loop to each other
134		 */
135		if ((ipd_port >= 0) && (ipd_port < 4))
136			return ipd_port + 1;
137		else
138			return -1;
139	case CVMX_BOARD_TYPE_CUST_NB5:
140		if (ipd_port == 2)
141			return 4;
142		else
143			return -1;
144	case CVMX_BOARD_TYPE_NIC_XLE_4G:
145		/* Board has 4 SGMII ports. connected QLM3(interface 1) */
146		if ((ipd_port >= 16) && (ipd_port < 20))
147			return ipd_port - 16 + 1;
148		else
149			return -1;
150	case CVMX_BOARD_TYPE_BBGW_REF:
151		/*
152		 * No PHYs are connected to Octeon, everything is
153		 * through switch.
154		 */
155		return -1;
156
157	case CVMX_BOARD_TYPE_CUST_WSX16:
158		if (ipd_port >= 0 && ipd_port <= 3)
159			return ipd_port;
160		else if (ipd_port >= 16 && ipd_port <= 19)
161			return ipd_port - 16 + 4;
162		else
163			return -1;
164	}
165
166	/* Some unknown board. Somebody forgot to update this function... */
167	cvmx_dprintf
168	    ("cvmx_helper_board_get_mii_address: Unknown board type %d\n",
169	     cvmx_sysinfo_get()->board_type);
170	return -1;
171}
172
173/**
174 * This function is the board specific method of determining an
175 * ethernet ports link speed. Most Octeon boards have Marvell PHYs
176 * and are handled by the fall through case. This function must be
177 * updated for boards that don't have the normal Marvell PHYs.
178 *
179 * This function must be modified for every new Octeon board.
180 * Internally it uses switch statements based on the cvmx_sysinfo
181 * data to determine board types and revisions. It relies on the
182 * fact that every Octeon board receives a unique board type
183 * enumeration from the bootloader.
184 *
185 * @ipd_port: IPD input port associated with the port we want to get link
186 *                 status for.
187 *
188 * Returns The ports link status. If the link isn't fully resolved, this must
189 *         return zero.
190 */
191cvmx_helper_link_info_t __cvmx_helper_board_link_get(int ipd_port)
192{
193	cvmx_helper_link_info_t result;
194	int phy_addr;
195	int is_broadcom_phy = 0;
196
197	/* Give the user a chance to override the processing of this function */
198	if (cvmx_override_board_link_get)
199		return cvmx_override_board_link_get(ipd_port);
200
201	/* Unless we fix it later, all links are defaulted to down */
202	result.u64 = 0;
203
204	/*
205	 * This switch statement should handle all ports that either don't use
206	 * Marvell PHYS, or don't support in-band status.
207	 */
208	switch (cvmx_sysinfo_get()->board_type) {
209	case CVMX_BOARD_TYPE_SIM:
210		/* The simulator gives you a simulated 1Gbps full duplex link */
211		result.s.link_up = 1;
212		result.s.full_duplex = 1;
213		result.s.speed = 1000;
214		return result;
215	case CVMX_BOARD_TYPE_EBH3100:
216	case CVMX_BOARD_TYPE_CN3010_EVB_HS5:
217	case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
218	case CVMX_BOARD_TYPE_CN3020_EVB_HS5:
219		/* Port 1 on these boards is always Gigabit */
220		if (ipd_port == 1) {
221			result.s.link_up = 1;
222			result.s.full_duplex = 1;
223			result.s.speed = 1000;
224			return result;
225		}
226		/* Fall through to the generic code below */
227		break;
228	case CVMX_BOARD_TYPE_CUST_NB5:
229		/* Port 1 on these boards is always Gigabit */
230		if (ipd_port == 1) {
231			result.s.link_up = 1;
232			result.s.full_duplex = 1;
233			result.s.speed = 1000;
234			return result;
235		} else		/* The other port uses a broadcom PHY */
236			is_broadcom_phy = 1;
237		break;
238	case CVMX_BOARD_TYPE_BBGW_REF:
239		/* Port 1 on these boards is always Gigabit */
240		if (ipd_port == 2) {
241			/* Port 2 is not hooked up */
242			result.u64 = 0;
243			return result;
244		} else {
245			/* Ports 0 and 1 connect to the switch */
246			result.s.link_up = 1;
247			result.s.full_duplex = 1;
248			result.s.speed = 1000;
249			return result;
250		}
251		break;
252	}
253
254	phy_addr = cvmx_helper_board_get_mii_address(ipd_port);
255	if (phy_addr != -1) {
256		if (is_broadcom_phy) {
257			/*
258			 * Below we are going to read SMI/MDIO
259			 * register 0x19 which works on Broadcom
260			 * parts
261			 */
262			int phy_status =
263			    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
264					   0x19);
265			switch ((phy_status >> 8) & 0x7) {
266			case 0:
267				result.u64 = 0;
268				break;
269			case 1:
270				result.s.link_up = 1;
271				result.s.full_duplex = 0;
272				result.s.speed = 10;
273				break;
274			case 2:
275				result.s.link_up = 1;
276				result.s.full_duplex = 1;
277				result.s.speed = 10;
278				break;
279			case 3:
280				result.s.link_up = 1;
281				result.s.full_duplex = 0;
282				result.s.speed = 100;
283				break;
284			case 4:
285				result.s.link_up = 1;
286				result.s.full_duplex = 1;
287				result.s.speed = 100;
288				break;
289			case 5:
290				result.s.link_up = 1;
291				result.s.full_duplex = 1;
292				result.s.speed = 100;
293				break;
294			case 6:
295				result.s.link_up = 1;
296				result.s.full_duplex = 0;
297				result.s.speed = 1000;
298				break;
299			case 7:
300				result.s.link_up = 1;
301				result.s.full_duplex = 1;
302				result.s.speed = 1000;
303				break;
304			}
305		} else {
306			/*
307			 * This code assumes we are using a Marvell
308			 * Gigabit PHY. All the speed information can
309			 * be read from register 17 in one
310			 * go. Somebody using a different PHY will
311			 * need to handle it above in the board
312			 * specific area.
313			 */
314			int phy_status =
315			    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff, 17);
316
317			/*
318			 * If the resolve bit 11 isn't set, see if
319			 * autoneg is turned off (bit 12, reg 0). The
320			 * resolve bit doesn't get set properly when
321			 * autoneg is off, so force it.
322			 */
323			if ((phy_status & (1 << 11)) == 0) {
324				int auto_status =
325				    cvmx_mdio_read(phy_addr >> 8,
326						   phy_addr & 0xff, 0);
327				if ((auto_status & (1 << 12)) == 0)
328					phy_status |= 1 << 11;
329			}
330
331			/*
332			 * Only return a link if the PHY has finished
333			 * auto negotiation and set the resolved bit
334			 * (bit 11)
335			 */
336			if (phy_status & (1 << 11)) {
337				result.s.link_up = 1;
338				result.s.full_duplex = ((phy_status >> 13) & 1);
339				switch ((phy_status >> 14) & 3) {
340				case 0:	/* 10 Mbps */
341					result.s.speed = 10;
342					break;
343				case 1:	/* 100 Mbps */
344					result.s.speed = 100;
345					break;
346				case 2:	/* 1 Gbps */
347					result.s.speed = 1000;
348					break;
349				case 3:	/* Illegal */
350					result.u64 = 0;
351					break;
352				}
353			}
354		}
355	} else if (OCTEON_IS_MODEL(OCTEON_CN3XXX)
356		   || OCTEON_IS_MODEL(OCTEON_CN58XX)
357		   || OCTEON_IS_MODEL(OCTEON_CN50XX)) {
358		/*
359		 * We don't have a PHY address, so attempt to use
360		 * in-band status. It is really important that boards
361		 * not supporting in-band status never get
362		 * here. Reading broken in-band status tends to do bad
363		 * things
364		 */
365		union cvmx_gmxx_rxx_rx_inbnd inband_status;
366		int interface = cvmx_helper_get_interface_num(ipd_port);
367		int index = cvmx_helper_get_interface_index_num(ipd_port);
368		inband_status.u64 =
369		    cvmx_read_csr(CVMX_GMXX_RXX_RX_INBND(index, interface));
370
371		result.s.link_up = inband_status.s.status;
372		result.s.full_duplex = inband_status.s.duplex;
373		switch (inband_status.s.speed) {
374		case 0:	/* 10 Mbps */
375			result.s.speed = 10;
376			break;
377		case 1:	/* 100 Mbps */
378			result.s.speed = 100;
379			break;
380		case 2:	/* 1 Gbps */
381			result.s.speed = 1000;
382			break;
383		case 3:	/* Illegal */
384			result.u64 = 0;
385			break;
386		}
387	} else {
388		/*
389		 * We don't have a PHY address and we don't have
390		 * in-band status. There is no way to determine the
391		 * link speed. Return down assuming this port isn't
392		 * wired
393		 */
394		result.u64 = 0;
395	}
396
397	/* If link is down, return all fields as zero. */
398	if (!result.s.link_up)
399		result.u64 = 0;
400
401	return result;
402}
403
404/**
405 * This function as a board specific method of changing the PHY
406 * speed, duplex, and auto-negotiation. This programs the PHY and
407 * not Octeon. This can be used to force Octeon's links to
408 * specific settings.
409 *
410 * @phy_addr:  The address of the PHY to program
411 * @enable_autoneg:
412 *                  Non zero if you want to enable auto-negotiation.
413 * @link_info: Link speed to program. If the speed is zero and auto-negotiation
414 *                  is enabled, all possible negotiation speeds are advertised.
415 *
416 * Returns Zero on success, negative on failure
417 */
418int cvmx_helper_board_link_set_phy(int phy_addr,
419				   cvmx_helper_board_set_phy_link_flags_types_t
420				   link_flags,
421				   cvmx_helper_link_info_t link_info)
422{
423
424	/* Set the flow control settings based on link_flags */
425	if ((link_flags & set_phy_link_flags_flow_control_mask) !=
426	    set_phy_link_flags_flow_control_dont_touch) {
427		cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
428		reg_autoneg_adver.u16 =
429		    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
430				   CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
431		reg_autoneg_adver.s.asymmetric_pause =
432		    (link_flags & set_phy_link_flags_flow_control_mask) ==
433		    set_phy_link_flags_flow_control_enable;
434		reg_autoneg_adver.s.pause =
435		    (link_flags & set_phy_link_flags_flow_control_mask) ==
436		    set_phy_link_flags_flow_control_enable;
437		cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
438				CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
439				reg_autoneg_adver.u16);
440	}
441
442	/* If speed isn't set and autoneg is on advertise all supported modes */
443	if ((link_flags & set_phy_link_flags_autoneg)
444	    && (link_info.s.speed == 0)) {
445		cvmx_mdio_phy_reg_control_t reg_control;
446		cvmx_mdio_phy_reg_status_t reg_status;
447		cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
448		cvmx_mdio_phy_reg_extended_status_t reg_extended_status;
449		cvmx_mdio_phy_reg_control_1000_t reg_control_1000;
450
451		reg_status.u16 =
452		    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
453				   CVMX_MDIO_PHY_REG_STATUS);
454		reg_autoneg_adver.u16 =
455		    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
456				   CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
457		reg_autoneg_adver.s.advert_100base_t4 =
458		    reg_status.s.capable_100base_t4;
459		reg_autoneg_adver.s.advert_10base_tx_full =
460		    reg_status.s.capable_10_full;
461		reg_autoneg_adver.s.advert_10base_tx_half =
462		    reg_status.s.capable_10_half;
463		reg_autoneg_adver.s.advert_100base_tx_full =
464		    reg_status.s.capable_100base_x_full;
465		reg_autoneg_adver.s.advert_100base_tx_half =
466		    reg_status.s.capable_100base_x_half;
467		cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
468				CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
469				reg_autoneg_adver.u16);
470		if (reg_status.s.capable_extended_status) {
471			reg_extended_status.u16 =
472			    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
473					   CVMX_MDIO_PHY_REG_EXTENDED_STATUS);
474			reg_control_1000.u16 =
475			    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
476					   CVMX_MDIO_PHY_REG_CONTROL_1000);
477			reg_control_1000.s.advert_1000base_t_full =
478			    reg_extended_status.s.capable_1000base_t_full;
479			reg_control_1000.s.advert_1000base_t_half =
480			    reg_extended_status.s.capable_1000base_t_half;
481			cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
482					CVMX_MDIO_PHY_REG_CONTROL_1000,
483					reg_control_1000.u16);
484		}
485		reg_control.u16 =
486		    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
487				   CVMX_MDIO_PHY_REG_CONTROL);
488		reg_control.s.autoneg_enable = 1;
489		reg_control.s.restart_autoneg = 1;
490		cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
491				CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
492	} else if ((link_flags & set_phy_link_flags_autoneg)) {
493		cvmx_mdio_phy_reg_control_t reg_control;
494		cvmx_mdio_phy_reg_status_t reg_status;
495		cvmx_mdio_phy_reg_autoneg_adver_t reg_autoneg_adver;
496		cvmx_mdio_phy_reg_extended_status_t reg_extended_status;
497		cvmx_mdio_phy_reg_control_1000_t reg_control_1000;
498
499		reg_status.u16 =
500		    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
501				   CVMX_MDIO_PHY_REG_STATUS);
502		reg_autoneg_adver.u16 =
503		    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
504				   CVMX_MDIO_PHY_REG_AUTONEG_ADVER);
505		reg_autoneg_adver.s.advert_100base_t4 = 0;
506		reg_autoneg_adver.s.advert_10base_tx_full = 0;
507		reg_autoneg_adver.s.advert_10base_tx_half = 0;
508		reg_autoneg_adver.s.advert_100base_tx_full = 0;
509		reg_autoneg_adver.s.advert_100base_tx_half = 0;
510		if (reg_status.s.capable_extended_status) {
511			reg_extended_status.u16 =
512			    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
513					   CVMX_MDIO_PHY_REG_EXTENDED_STATUS);
514			reg_control_1000.u16 =
515			    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
516					   CVMX_MDIO_PHY_REG_CONTROL_1000);
517			reg_control_1000.s.advert_1000base_t_full = 0;
518			reg_control_1000.s.advert_1000base_t_half = 0;
519		}
520		switch (link_info.s.speed) {
521		case 10:
522			reg_autoneg_adver.s.advert_10base_tx_full =
523			    link_info.s.full_duplex;
524			reg_autoneg_adver.s.advert_10base_tx_half =
525			    !link_info.s.full_duplex;
526			break;
527		case 100:
528			reg_autoneg_adver.s.advert_100base_tx_full =
529			    link_info.s.full_duplex;
530			reg_autoneg_adver.s.advert_100base_tx_half =
531			    !link_info.s.full_duplex;
532			break;
533		case 1000:
534			reg_control_1000.s.advert_1000base_t_full =
535			    link_info.s.full_duplex;
536			reg_control_1000.s.advert_1000base_t_half =
537			    !link_info.s.full_duplex;
538			break;
539		}
540		cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
541				CVMX_MDIO_PHY_REG_AUTONEG_ADVER,
542				reg_autoneg_adver.u16);
543		if (reg_status.s.capable_extended_status)
544			cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
545					CVMX_MDIO_PHY_REG_CONTROL_1000,
546					reg_control_1000.u16);
547		reg_control.u16 =
548		    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
549				   CVMX_MDIO_PHY_REG_CONTROL);
550		reg_control.s.autoneg_enable = 1;
551		reg_control.s.restart_autoneg = 1;
552		cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
553				CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
554	} else {
555		cvmx_mdio_phy_reg_control_t reg_control;
556		reg_control.u16 =
557		    cvmx_mdio_read(phy_addr >> 8, phy_addr & 0xff,
558				   CVMX_MDIO_PHY_REG_CONTROL);
559		reg_control.s.autoneg_enable = 0;
560		reg_control.s.restart_autoneg = 1;
561		reg_control.s.duplex = link_info.s.full_duplex;
562		if (link_info.s.speed == 1000) {
563			reg_control.s.speed_msb = 1;
564			reg_control.s.speed_lsb = 0;
565		} else if (link_info.s.speed == 100) {
566			reg_control.s.speed_msb = 0;
567			reg_control.s.speed_lsb = 1;
568		} else if (link_info.s.speed == 10) {
569			reg_control.s.speed_msb = 0;
570			reg_control.s.speed_lsb = 0;
571		}
572		cvmx_mdio_write(phy_addr >> 8, phy_addr & 0xff,
573				CVMX_MDIO_PHY_REG_CONTROL, reg_control.u16);
574	}
575	return 0;
576}
577
578/**
579 * This function is called by cvmx_helper_interface_probe() after it
580 * determines the number of ports Octeon can support on a specific
581 * interface. This function is the per board location to override
582 * this value. It is called with the number of ports Octeon might
583 * support and should return the number of actual ports on the
584 * board.
585 *
586 * This function must be modifed for every new Octeon board.
587 * Internally it uses switch statements based on the cvmx_sysinfo
588 * data to determine board types and revisions. It relys on the
589 * fact that every Octeon board receives a unique board type
590 * enumeration from the bootloader.
591 *
592 * @interface: Interface to probe
593 * @supported_ports:
594 *                  Number of ports Octeon supports.
595 *
596 * Returns Number of ports the actual board supports. Many times this will
597 *         simple be "support_ports".
598 */
599int __cvmx_helper_board_interface_probe(int interface, int supported_ports)
600{
601	switch (cvmx_sysinfo_get()->board_type) {
602	case CVMX_BOARD_TYPE_CN3005_EVB_HS5:
603		if (interface == 0)
604			return 2;
605		break;
606	case CVMX_BOARD_TYPE_BBGW_REF:
607		if (interface == 0)
608			return 2;
609		break;
610	case CVMX_BOARD_TYPE_NIC_XLE_4G:
611		if (interface == 0)
612			return 0;
613		break;
614		/* The 2nd interface on the EBH5600 is connected to the Marvel switch,
615		   which we don't support. Disable ports connected to it */
616	case CVMX_BOARD_TYPE_EBH5600:
617		if (interface == 1)
618			return 0;
619		break;
620	}
621	return supported_ports;
622}
623
624/**
625 * Enable packet input/output from the hardware. This function is
626 * called after by cvmx_helper_packet_hardware_enable() to
627 * perform board specific initialization. For most boards
628 * nothing is needed.
629 *
630 * @interface: Interface to enable
631 *
632 * Returns Zero on success, negative on failure
633 */
634int __cvmx_helper_board_hardware_enable(int interface)
635{
636	if (cvmx_sysinfo_get()->board_type == CVMX_BOARD_TYPE_CN3005_EVB_HS5) {
637		if (interface == 0) {
638			/* Different config for switch port */
639			cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(1, interface), 0);
640			cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(1, interface), 0);
641			/*
642			 * Boards with gigabit WAN ports need a
643			 * different setting that is compatible with
644			 * 100 Mbit settings
645			 */
646			cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX(0, interface),
647				       0xc);
648			cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX(0, interface),
649				       0xc);
650		}
651	} else if (cvmx_sysinfo_get()->board_type ==
652		   CVMX_BOARD_TYPE_CN3010_EVB_HS5) {
653		/*
654		 * Broadcom PHYs require differnet ASX
655		 * clocks. Unfortunately many boards don't define a
656		 * new board Id and simply mangle the
657		 * CN3010_EVB_HS5
658		 */
659		if (interface == 0) {
660			/*
661			 * Some boards use a hacked up bootloader that
662			 * identifies them as CN3010_EVB_HS5
663			 * evaluation boards.  This leads to all kinds
664			 * of configuration problems.  Detect one
665			 * case, and print warning, while trying to do
666			 * the right thing.
667			 */
668			int phy_addr = cvmx_helper_board_get_mii_address(0);
669			if (phy_addr != -1) {
670				int phy_identifier =
671				    cvmx_mdio_read(phy_addr >> 8,
672						   phy_addr & 0xff, 0x2);
673				/* Is it a Broadcom PHY? */
674				if (phy_identifier == 0x0143) {
675					cvmx_dprintf("\n");
676					cvmx_dprintf("ERROR:\n");
677					cvmx_dprintf
678					    ("ERROR: Board type is CVMX_BOARD_TYPE_CN3010_EVB_HS5, but Broadcom PHY found.\n");
679					cvmx_dprintf
680					    ("ERROR: The board type is mis-configured, and software malfunctions are likely.\n");
681					cvmx_dprintf
682					    ("ERROR: All boards require a unique board type to identify them.\n");
683					cvmx_dprintf("ERROR:\n");
684					cvmx_dprintf("\n");
685					cvmx_wait(1000000000);
686					cvmx_write_csr(CVMX_ASXX_RX_CLK_SETX
687						       (0, interface), 5);
688					cvmx_write_csr(CVMX_ASXX_TX_CLK_SETX
689						       (0, interface), 5);
690				}
691			}
692		}
693	}
694	return 0;
695}
696
697cvmx_helper_board_usb_clock_types_t __cvmx_helper_board_usb_get_clock_type(void)
698{
699	switch (cvmx_sysinfo_get()->board_type) {
700	case CVMX_BOARD_TYPE_BBGW_REF:
701		return USB_CLOCK_TYPE_CRYSTAL_12;
702	}
703	return USB_CLOCK_TYPE_REF_48;
704}
705
706int __cvmx_helper_board_usb_get_num_ports(int supported_ports)
707{
708	switch (cvmx_sysinfo_get()->board_type) {
709	case CVMX_BOARD_TYPE_NIC_XLE_4G:
710		return 0;
711	}
712
713	return supported_ports;
714}
715