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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Shengzhou Liuaba80042014-11-24 17:11:55 +08002/*
3 * Copyright 2014 Freescale Semiconductor, Inc.
4 *
5 * Shengzhou Liu <Shengzhou.Liu@freescale.com>
Shengzhou Liuaba80042014-11-24 17:11:55 +08006 */
7
8#include <common.h>
9#include <command.h>
10#include <netdev.h>
11#include <asm/mmu.h>
12#include <asm/processor.h>
13#include <asm/immap_85xx.h>
14#include <asm/fsl_law.h>
15#include <asm/fsl_serdes.h>
16#include <asm/fsl_portals.h>
17#include <asm/fsl_liodn.h>
18#include <malloc.h>
19#include <fm_eth.h>
20#include <fsl_mdio.h>
21#include <miiphy.h>
22#include <phy.h>
Shaohui Xie8225b2f2015-10-26 19:47:47 +080023#include <fsl_dtsec.h>
Shengzhou Liuaba80042014-11-24 17:11:55 +080024#include <asm/fsl_serdes.h>
25#include "../common/qixis.h"
26#include "../common/fman.h"
27#include "t102xqds_qixis.h"
28
29#define EMI_NONE 0xFFFFFFFF
30#define EMI1_RGMII1 0
31#define EMI1_RGMII2 1
32#define EMI1_SLOT1 2
33#define EMI1_SLOT2 3
34#define EMI1_SLOT3 4
35#define EMI1_SLOT4 5
36#define EMI1_SLOT5 6
37#define EMI2 7
38
39static int mdio_mux[NUM_FM_PORTS];
40
41static const char * const mdio_names[] = {
42 "T1024QDS_MDIO_RGMII1",
43 "T1024QDS_MDIO_RGMII2",
44 "T1024QDS_MDIO_SLOT1",
45 "T1024QDS_MDIO_SLOT2",
46 "T1024QDS_MDIO_SLOT3",
47 "T1024QDS_MDIO_SLOT4",
48 "T1024QDS_MDIO_SLOT5",
49 "T1024QDS_MDIO_10GC",
50 "NULL",
51};
52
53/* Map SerDes1 4 lanes to default slot, will be initialized dynamically */
54static u8 lane_to_slot[] = {2, 3, 4, 5};
55
56static const char *t1024qds_mdio_name_for_muxval(u8 muxval)
57{
58 return mdio_names[muxval];
59}
60
61struct mii_dev *mii_dev_for_muxval(u8 muxval)
62{
63 struct mii_dev *bus;
64 const char *name;
65
66 if (muxval > EMI2)
67 return NULL;
68
69 name = t1024qds_mdio_name_for_muxval(muxval);
70
71 if (!name) {
72 printf("No bus for muxval %x\n", muxval);
73 return NULL;
74 }
75
76 bus = miiphy_get_dev_by_name(name);
77
78 if (!bus) {
79 printf("No bus by name %s\n", name);
80 return NULL;
81 }
82
83 return bus;
84}
85
86struct t1024qds_mdio {
87 u8 muxval;
88 struct mii_dev *realbus;
89};
90
91static void t1024qds_mux_mdio(u8 muxval)
92{
93 u8 brdcfg4;
94
95 if (muxval < 7) {
96 brdcfg4 = QIXIS_READ(brdcfg[4]);
97 brdcfg4 &= ~BRDCFG4_EMISEL_MASK;
98 brdcfg4 |= (muxval << BRDCFG4_EMISEL_SHIFT);
99 QIXIS_WRITE(brdcfg[4], brdcfg4);
100 }
101}
102
103static int t1024qds_mdio_read(struct mii_dev *bus, int addr, int devad,
104 int regnum)
105{
106 struct t1024qds_mdio *priv = bus->priv;
107
108 t1024qds_mux_mdio(priv->muxval);
109
110 return priv->realbus->read(priv->realbus, addr, devad, regnum);
111}
112
113static int t1024qds_mdio_write(struct mii_dev *bus, int addr, int devad,
114 int regnum, u16 value)
115{
116 struct t1024qds_mdio *priv = bus->priv;
117
118 t1024qds_mux_mdio(priv->muxval);
119
120 return priv->realbus->write(priv->realbus, addr, devad, regnum, value);
121}
122
123static int t1024qds_mdio_reset(struct mii_dev *bus)
124{
125 struct t1024qds_mdio *priv = bus->priv;
126
127 return priv->realbus->reset(priv->realbus);
128}
129
130static int t1024qds_mdio_init(char *realbusname, u8 muxval)
131{
132 struct t1024qds_mdio *pmdio;
133 struct mii_dev *bus = mdio_alloc();
134
135 if (!bus) {
136 printf("Failed to allocate t1024qds MDIO bus\n");
137 return -1;
138 }
139
140 pmdio = malloc(sizeof(*pmdio));
141 if (!pmdio) {
142 printf("Failed to allocate t1024qds private data\n");
143 free(bus);
144 return -1;
145 }
146
147 bus->read = t1024qds_mdio_read;
148 bus->write = t1024qds_mdio_write;
149 bus->reset = t1024qds_mdio_reset;
Ben Whitten192bc692015-12-30 13:05:58 +0000150 strcpy(bus->name, t1024qds_mdio_name_for_muxval(muxval));
Shengzhou Liuaba80042014-11-24 17:11:55 +0800151
152 pmdio->realbus = miiphy_get_dev_by_name(realbusname);
153
154 if (!pmdio->realbus) {
155 printf("No bus with name %s\n", realbusname);
156 free(bus);
157 free(pmdio);
158 return -1;
159 }
160
161 pmdio->muxval = muxval;
162 bus->priv = pmdio;
163 return mdio_register(bus);
164}
165
166void board_ft_fman_fixup_port(void *fdt, char *compat, phys_addr_t addr,
167 enum fm_port port, int offset)
168{
169 struct fixed_link f_link;
170
171 if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_RGMII) {
172 if (port == FM1_DTSEC3) {
173 fdt_set_phy_handle(fdt, compat, addr, "rgmii_phy2");
Shengzhou Liuea753262015-04-14 17:56:50 +0800174 fdt_setprop_string(fdt, offset, "phy-connection-type",
175 "rgmii");
Shengzhou Liuaba80042014-11-24 17:11:55 +0800176 fdt_status_okay_by_alias(fdt, "emi1_rgmii1");
177 }
178 } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII) {
179 if (port == FM1_DTSEC1) {
180 fdt_set_phy_handle(fdt, compat, addr,
181 "sgmii_vsc8234_phy_s5");
182 } else if (port == FM1_DTSEC2) {
183 fdt_set_phy_handle(fdt, compat, addr,
184 "sgmii_vsc8234_phy_s4");
185 }
186 } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_SGMII_2500) {
187 if (port == FM1_DTSEC3) {
188 fdt_set_phy_handle(fdt, compat, addr,
189 "sgmii_aqr105_phy_s3");
190 }
191 } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_QSGMII) {
192 switch (port) {
193 case FM1_DTSEC1:
194 fdt_set_phy_handle(fdt, compat, addr, "qsgmii_phy_p1");
195 break;
196 case FM1_DTSEC2:
197 fdt_set_phy_handle(fdt, compat, addr, "qsgmii_phy_p2");
198 break;
199 case FM1_DTSEC3:
200 fdt_set_phy_handle(fdt, compat, addr, "qsgmii_phy_p3");
201 break;
202 case FM1_DTSEC4:
203 fdt_set_phy_handle(fdt, compat, addr, "qsgmii_phy_p4");
204 break;
205 default:
206 break;
207 }
208 fdt_delprop(fdt, offset, "phy-connection-type");
Shengzhou Liuea753262015-04-14 17:56:50 +0800209 fdt_setprop_string(fdt, offset, "phy-connection-type",
210 "qsgmii");
Shengzhou Liuaba80042014-11-24 17:11:55 +0800211 fdt_status_okay_by_alias(fdt, "emi1_slot2");
212 } else if (fm_info_get_enet_if(port) == PHY_INTERFACE_MODE_XGMII) {
213 /* XFI interface */
214 f_link.phy_id = port;
215 f_link.duplex = 1;
216 f_link.link_speed = 10000;
217 f_link.pause = 0;
218 f_link.asym_pause = 0;
219 /* no PHY for XFI */
220 fdt_delprop(fdt, offset, "phy-handle");
221 fdt_setprop(fdt, offset, "fixed-link", &f_link, sizeof(f_link));
Shengzhou Liuea753262015-04-14 17:56:50 +0800222 fdt_setprop_string(fdt, offset, "phy-connection-type", "xgmii");
Shengzhou Liuaba80042014-11-24 17:11:55 +0800223 }
224}
225
226void fdt_fixup_board_enet(void *fdt)
227{
228}
229
230/*
231 * This function reads RCW to check if Serdes1{A:D} is configured
232 * to slot 1/2/3/4/5 and update the lane_to_slot[] array accordingly
233 */
234static void initialize_lane_to_slot(void)
235{
236 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
237 u32 srds_s1 = in_be32(&gur->rcwsr[4]) &
238 FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
239
240 srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
241
242 switch (srds_s1) {
243 case 0x46:
244 case 0x47:
245 lane_to_slot[1] = 2;
246 break;
247 default:
248 break;
249 }
250}
251
252int board_eth_init(bd_t *bis)
253{
254#if defined(CONFIG_FMAN_ENET)
255 int i, idx, lane, slot, interface;
256 struct memac_mdio_info dtsec_mdio_info;
257 struct memac_mdio_info tgec_mdio_info;
258 ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
259 u32 srds_s1;
260
261 srds_s1 = in_be32(&gur->rcwsr[4]) &
262 FSL_CORENET2_RCWSR4_SRDS1_PRTCL;
263 srds_s1 >>= FSL_CORENET2_RCWSR4_SRDS1_PRTCL_SHIFT;
264
265 initialize_lane_to_slot();
266
267 /* Initialize the mdio_mux array so we can recognize empty elements */
268 for (i = 0; i < NUM_FM_PORTS; i++)
269 mdio_mux[i] = EMI_NONE;
270
271 dtsec_mdio_info.regs =
272 (struct memac_mdio_controller *)CONFIG_SYS_FM1_DTSEC_MDIO_ADDR;
273
274 dtsec_mdio_info.name = DEFAULT_FM_MDIO_NAME;
275
276 /* Register the 1G MDIO bus */
277 fm_memac_mdio_init(bis, &dtsec_mdio_info);
278
279 tgec_mdio_info.regs =
280 (struct memac_mdio_controller *)CONFIG_SYS_FM1_TGEC_MDIO_ADDR;
281 tgec_mdio_info.name = DEFAULT_FM_TGEC_MDIO_NAME;
282
283 /* Register the 10G MDIO bus */
284 fm_memac_mdio_init(bis, &tgec_mdio_info);
285
286 /* Register the muxing front-ends to the MDIO buses */
287 t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII1);
288 t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_RGMII2);
289 t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT1);
290 t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT2);
291 t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT3);
292 t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT4);
293 t1024qds_mdio_init(DEFAULT_FM_MDIO_NAME, EMI1_SLOT5);
294 t1024qds_mdio_init(DEFAULT_FM_TGEC_MDIO_NAME, EMI2);
295
296 /* Set the two on-board RGMII PHY address */
297 fm_info_set_phy_address(FM1_DTSEC3, RGMII_PHY2_ADDR);
298 fm_info_set_phy_address(FM1_DTSEC4, RGMII_PHY1_ADDR);
299
300 switch (srds_s1) {
301 case 0xd5:
302 case 0xd6:
303 /* QSGMII in Slot2 */
304 fm_info_set_phy_address(FM1_DTSEC1, 0x8);
305 fm_info_set_phy_address(FM1_DTSEC2, 0x9);
306 fm_info_set_phy_address(FM1_DTSEC3, 0xa);
307 fm_info_set_phy_address(FM1_DTSEC4, 0xb);
308 break;
309 case 0x95:
310 case 0x99:
311 /*
Bin Menga1875592016-02-05 19:30:11 -0800312 * XFI does not need a PHY to work, but to avoid U-Boot use
Shengzhou Liuaba80042014-11-24 17:11:55 +0800313 * default PHY address which is zero to a MAC when it found
314 * a MAC has no PHY address, we give a PHY address to XFI
315 * MAC, and should not use a real XAUI PHY address, since
316 * MDIO can access it successfully, and then MDIO thinks the
317 * XAUI card is used for the XFI MAC, which will cause error.
318 */
319 fm_info_set_phy_address(FM1_10GEC1, 4);
320 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
321 break;
322 case 0x6f:
323 /* SGMII in Slot3, Slot4, Slot5 */
324 fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_AQ_PHY_ADDR_S5);
325 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_AQ_PHY_ADDR_S4);
326 fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_PORT1_PHY_ADDR);
327 break;
328 case 0x7f:
329 fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_AQ_PHY_ADDR_S5);
330 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_AQ_PHY_ADDR_S4);
331 fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_AQ_PHY_ADDR_S3);
332 break;
333 case 0x47:
334 fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
335 break;
336 case 0x77:
337 fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
338 fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_AQ_PHY_ADDR_S3);
339 break;
340 case 0x5a:
341 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
342 break;
343 case 0x6a:
344 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
345 fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_PORT1_PHY_ADDR);
346 break;
347 case 0x5b:
348 fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
349 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
350 break;
351 case 0x6b:
352 fm_info_set_phy_address(FM1_DTSEC1, SGMII_CARD_PORT1_PHY_ADDR);
353 fm_info_set_phy_address(FM1_DTSEC2, SGMII_CARD_PORT1_PHY_ADDR);
354 fm_info_set_phy_address(FM1_DTSEC3, SGMII_CARD_PORT1_PHY_ADDR);
355 break;
356 default:
357 break;
358 }
359
360 for (i = FM1_DTSEC1; i < FM1_DTSEC1 + CONFIG_SYS_NUM_FM1_DTSEC; i++) {
361 idx = i - FM1_DTSEC1;
362 interface = fm_info_get_enet_if(i);
363 switch (interface) {
364 case PHY_INTERFACE_MODE_SGMII:
365 case PHY_INTERFACE_MODE_SGMII_2500:
366 case PHY_INTERFACE_MODE_QSGMII:
367 if (interface == PHY_INTERFACE_MODE_SGMII) {
368 lane = serdes_get_first_lane(FSL_SRDS_1,
369 SGMII_FM1_DTSEC1 + idx);
370 } else if (interface == PHY_INTERFACE_MODE_SGMII_2500) {
371 lane = serdes_get_first_lane(FSL_SRDS_1,
372 SGMII_2500_FM1_DTSEC1 + idx);
373 } else {
374 lane = serdes_get_first_lane(FSL_SRDS_1,
375 QSGMII_FM1_A);
376 }
377
378 if (lane < 0)
379 break;
380
381 slot = lane_to_slot[lane];
382 debug("FM1@DTSEC%u expects SGMII in slot %u\n",
383 idx + 1, slot);
384 if (QIXIS_READ(present2) & (1 << (slot - 1)))
385 fm_disable_port(i);
386
387 switch (slot) {
388 case 2:
389 mdio_mux[i] = EMI1_SLOT2;
390 fm_info_set_mdio(i, mii_dev_for_muxval(
391 mdio_mux[i]));
392 break;
393 case 3:
394 mdio_mux[i] = EMI1_SLOT3;
395 fm_info_set_mdio(i, mii_dev_for_muxval(
396 mdio_mux[i]));
397 break;
398 case 4:
399 mdio_mux[i] = EMI1_SLOT4;
400 fm_info_set_mdio(i, mii_dev_for_muxval(
401 mdio_mux[i]));
402 break;
403 case 5:
404 mdio_mux[i] = EMI1_SLOT5;
405 fm_info_set_mdio(i, mii_dev_for_muxval(
406 mdio_mux[i]));
407 break;
408 }
409 break;
410 case PHY_INTERFACE_MODE_RGMII:
411 if (i == FM1_DTSEC3)
412 mdio_mux[i] = EMI1_RGMII2;
413 else if (i == FM1_DTSEC4)
414 mdio_mux[i] = EMI1_RGMII1;
415 fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
416 break;
417 default:
418 break;
419 }
420 }
421
422 for (i = FM1_10GEC1; i < FM1_10GEC1 + CONFIG_SYS_NUM_FM1_10GEC; i++) {
423 idx = i - FM1_10GEC1;
424 switch (fm_info_get_enet_if(i)) {
425 case PHY_INTERFACE_MODE_XGMII:
426 lane = serdes_get_first_lane(FSL_SRDS_1,
427 XFI_FM1_MAC1 + idx);
428 if (lane < 0)
429 break;
430 mdio_mux[i] = EMI2;
431 fm_info_set_mdio(i, mii_dev_for_muxval(mdio_mux[i]));
432 break;
433 default:
434 break;
435 }
436 }
437
438 cpu_eth_init(bis);
439#endif /* CONFIG_FMAN_ENET */
440
441 return pci_eth_init(bis);
442}