Merge branch 'master' of https://gitlab.denx.de/u-boot/custodians/u-boot-net
[platform/kernel/u-boot.git] / drivers / net / phy / aquantia.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Aquantia PHY drivers
4  *
5  * Copyright 2014 Freescale Semiconductor, Inc.
6  * Copyright 2018 NXP
7  */
8 #include <config.h>
9 #include <common.h>
10 #include <dm.h>
11 #include <phy.h>
12 #include <u-boot/crc.h>
13 #include <malloc.h>
14 #include <asm/byteorder.h>
15 #include <fs.h>
16
17 #define AQUNTIA_10G_CTL         0x20
18 #define AQUNTIA_VENDOR_P1       0xc400
19
20 #define AQUNTIA_SPEED_LSB_MASK  0x2000
21 #define AQUNTIA_SPEED_MSB_MASK  0x40
22
23 #define AQUANTIA_SYSTEM_INTERFACE_SR     0xe812
24 #define  AQUANTIA_SYSTEM_INTERFACE_SR_READY     BIT(0)
25 #define AQUANTIA_VENDOR_PROVISIONING_REG 0xC441
26 #define AQUANTIA_FIRMWARE_ID             0x20
27 #define AQUANTIA_RESERVED_STATUS         0xc885
28 #define AQUANTIA_FIRMWARE_MAJOR_MASK     0xff00
29 #define AQUANTIA_FIRMWARE_MINOR_MASK     0xff
30 #define AQUANTIA_FIRMWARE_BUILD_MASK     0xf0
31
32 #define AQUANTIA_USX_AUTONEG_CONTROL_ENA 0x0008
33 #define AQUANTIA_SI_IN_USE_MASK          0x0078
34 #define AQUANTIA_SI_USXGMII              0x0018
35
36 /* registers in MDIO_MMD_VEND1 region */
37 #define AQUANTIA_VND1_GLOBAL_SC                 0x000
38 #define  AQUANTIA_VND1_GLOBAL_SC_LP             BIT(0xb)
39
40 #define GLOBAL_FIRMWARE_ID 0x20
41 #define GLOBAL_FAULT 0xc850
42 #define GLOBAL_RSTATUS_1 0xc885
43
44 #define GLOBAL_ALARM_1 0xcc00
45 #define SYSTEM_READY_BIT 0x40
46
47 #define GLOBAL_STANDARD_CONTROL 0x0
48 #define SOFT_RESET BIT(15)
49 #define LOW_POWER BIT(11)
50
51 #define MAILBOX_CONTROL 0x0200
52 #define MAILBOX_EXECUTE BIT(15)
53 #define MAILBOX_WRITE BIT(14)
54 #define MAILBOX_RESET_CRC BIT(12)
55 #define MAILBOX_BUSY BIT(8)
56
57 #define MAILBOX_CRC 0x0201
58
59 #define MAILBOX_ADDR_MSW 0x0202
60 #define MAILBOX_ADDR_LSW 0x0203
61
62 #define MAILBOX_DATA_MSW 0x0204
63 #define MAILBOX_DATA_LSW 0x0205
64
65 #define UP_CONTROL 0xc001
66 #define UP_RESET BIT(15)
67 #define UP_RUN_STALL_OVERRIDE BIT(6)
68 #define UP_RUN_STALL BIT(0)
69
70 #define AQUANTIA_PMA_RX_VENDOR_P1               0xe400
71 #define  AQUANTIA_PMA_RX_VENDOR_P1_MDI_MSK      GENMASK(1, 0)
72 /* MDI reversal configured through registers */
73 #define  AQUANTIA_PMA_RX_VENDOR_P1_MDI_CFG      BIT(1)
74 /* MDI reversal enabled */
75 #define  AQUANTIA_PMA_RX_VENDOR_P1_MDI_REV      BIT(0)
76
77 /*
78  * global start rate, the protocol associated with this speed is used by default
79  * on SI.
80  */
81 #define AQUANTIA_VND1_GSTART_RATE               0x31a
82 #define  AQUANTIA_VND1_GSTART_RATE_OFF          0
83 #define  AQUANTIA_VND1_GSTART_RATE_100M         1
84 #define  AQUANTIA_VND1_GSTART_RATE_1G           2
85 #define  AQUANTIA_VND1_GSTART_RATE_10G          3
86 #define  AQUANTIA_VND1_GSTART_RATE_2_5G         4
87 #define  AQUANTIA_VND1_GSTART_RATE_5G           5
88
89 /* SYSCFG registers for 100M, 1G, 2.5G, 5G, 10G */
90 #define AQUANTIA_VND1_GSYSCFG_BASE              0x31b
91 #define AQUANTIA_VND1_GSYSCFG_100M              0
92 #define AQUANTIA_VND1_GSYSCFG_1G                1
93 #define AQUANTIA_VND1_GSYSCFG_2_5G              2
94 #define AQUANTIA_VND1_GSYSCFG_5G                3
95 #define AQUANTIA_VND1_GSYSCFG_10G               4
96
97 #define AQUANTIA_VND1_SMBUS0                    0xc485
98 #define AQUANTIA_VND1_SMBUS1                    0xc495
99
100 /* addresses of memory segments in the phy */
101 #define DRAM_BASE_ADDR 0x3FFE0000
102 #define IRAM_BASE_ADDR 0x40000000
103
104 /* firmware image format constants */
105 #define VERSION_STRING_SIZE 0x40
106 #define VERSION_STRING_OFFSET 0x0200
107 #define HEADER_OFFSET 0x300
108
109 /* driver private data */
110 #define AQUANTIA_NA             0
111 #define AQUANTIA_GEN1           1
112 #define AQUANTIA_GEN2           2
113 #define AQUANTIA_GEN3           3
114
115 #pragma pack(1)
116 struct fw_header {
117         u8 padding[4];
118         u8 iram_offset[3];
119         u8 iram_size[3];
120         u8 dram_offset[3];
121         u8 dram_size[3];
122 };
123
124 #pragma pack()
125
126 #if defined(CONFIG_PHY_AQUANTIA_UPLOAD_FW)
127 static int aquantia_read_fw(u8 **fw_addr, size_t *fw_length)
128 {
129         loff_t length, read;
130         int ret;
131         void *addr = NULL;
132
133         *fw_addr = NULL;
134         *fw_length = 0;
135         debug("Loading Acquantia microcode from %s %s\n",
136               CONFIG_PHY_AQUANTIA_FW_PART, CONFIG_PHY_AQUANTIA_FW_NAME);
137         ret = fs_set_blk_dev("mmc", CONFIG_PHY_AQUANTIA_FW_PART, FS_TYPE_ANY);
138         if (ret < 0)
139                 goto cleanup;
140
141         ret = fs_size(CONFIG_PHY_AQUANTIA_FW_NAME, &length);
142         if (ret < 0)
143                 goto cleanup;
144
145         addr = malloc(length);
146         if (!addr) {
147                 ret = -ENOMEM;
148                 goto cleanup;
149         }
150
151         ret = fs_set_blk_dev("mmc", CONFIG_PHY_AQUANTIA_FW_PART, FS_TYPE_ANY);
152         if (ret < 0)
153                 goto cleanup;
154
155         ret = fs_read(CONFIG_PHY_AQUANTIA_FW_NAME, (ulong)addr, 0, length,
156                       &read);
157         if (ret < 0)
158                 goto cleanup;
159
160         *fw_addr = addr;
161         *fw_length = length;
162         debug("Found Acquantia microcode.\n");
163
164 cleanup:
165         if (ret < 0) {
166                 printf("loading firmware file %s %s failed with error %d\n",
167                        CONFIG_PHY_AQUANTIA_FW_PART,
168                        CONFIG_PHY_AQUANTIA_FW_NAME, ret);
169                 free(addr);
170         }
171         return ret;
172 }
173
174 /* load data into the phy's memory */
175 static int aquantia_load_memory(struct phy_device *phydev, u32 addr,
176                                 const u8 *data, size_t len)
177 {
178         size_t pos;
179         u16 crc = 0, up_crc;
180
181         phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_CONTROL, MAILBOX_RESET_CRC);
182         phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_ADDR_MSW, addr >> 16);
183         phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_ADDR_LSW, addr & 0xfffc);
184
185         for (pos = 0; pos < len; pos += min(sizeof(u32), len - pos)) {
186                 u32 word = 0;
187
188                 memcpy(&word, &data[pos], min(sizeof(u32), len - pos));
189
190                 phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_DATA_MSW,
191                           (word >> 16));
192                 phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_DATA_LSW,
193                           word & 0xffff);
194
195                 phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_CONTROL,
196                           MAILBOX_EXECUTE | MAILBOX_WRITE);
197
198                 /* keep a big endian CRC to match the phy processor */
199                 word = cpu_to_be32(word);
200                 crc = crc16_ccitt(crc, (u8 *)&word, sizeof(word));
201         }
202
203         up_crc = phy_read(phydev, MDIO_MMD_VEND1, MAILBOX_CRC);
204         if (crc != up_crc) {
205                 printf("%s crc mismatch: calculated 0x%04hx phy 0x%04hx\n",
206                        phydev->dev->name, crc, up_crc);
207                 return -EINVAL;
208         }
209         return 0;
210 }
211
212 static u32 unpack_u24(const u8 *data)
213 {
214         return (data[2] << 16) + (data[1] << 8) + data[0];
215 }
216
217 static int aquantia_upload_firmware(struct phy_device *phydev)
218 {
219         int ret;
220         u8 *addr = NULL;
221         size_t fw_length = 0;
222         u16 calculated_crc, read_crc;
223         char version[VERSION_STRING_SIZE];
224         u32 primary_offset, iram_offset, iram_size, dram_offset, dram_size;
225         const struct fw_header *header;
226
227         ret = aquantia_read_fw(&addr, &fw_length);
228         if (ret != 0)
229                 return ret;
230
231         read_crc = (addr[fw_length - 2] << 8)  | addr[fw_length - 1];
232         calculated_crc = crc16_ccitt(0, addr, fw_length - 2);
233         if (read_crc != calculated_crc) {
234                 printf("%s bad firmware crc: file 0x%04x calculated 0x%04x\n",
235                        phydev->dev->name, read_crc, calculated_crc);
236                 ret = -EINVAL;
237                 goto done;
238         }
239
240         /* Find the DRAM and IRAM sections within the firmware file. */
241         primary_offset = ((addr[9] & 0xf) << 8 | addr[8]) << 12;
242
243         header = (struct fw_header *)&addr[primary_offset + HEADER_OFFSET];
244
245         iram_offset = primary_offset + unpack_u24(header->iram_offset);
246         iram_size = unpack_u24(header->iram_size);
247
248         dram_offset = primary_offset + unpack_u24(header->dram_offset);
249         dram_size = unpack_u24(header->dram_size);
250
251         debug("primary %d iram offset=%d size=%d dram offset=%d size=%d\n",
252               primary_offset, iram_offset, iram_size, dram_offset, dram_size);
253
254         strlcpy(version, (char *)&addr[dram_offset + VERSION_STRING_OFFSET],
255                 VERSION_STRING_SIZE);
256         printf("%s loading firmare version '%s'\n", phydev->dev->name, version);
257
258         /* stall the microcprocessor */
259         phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL,
260                   UP_RUN_STALL | UP_RUN_STALL_OVERRIDE);
261
262         debug("loading dram 0x%08x from offset=%d size=%d\n",
263               DRAM_BASE_ADDR, dram_offset, dram_size);
264         ret = aquantia_load_memory(phydev, DRAM_BASE_ADDR, &addr[dram_offset],
265                                    dram_size);
266         if (ret != 0)
267                 goto done;
268
269         debug("loading iram 0x%08x from offset=%d size=%d\n",
270               IRAM_BASE_ADDR, iram_offset, iram_size);
271         ret = aquantia_load_memory(phydev, IRAM_BASE_ADDR, &addr[iram_offset],
272                                    iram_size);
273         if (ret != 0)
274                 goto done;
275
276         /* make sure soft reset and low power mode are clear */
277         phy_write(phydev, MDIO_MMD_VEND1, GLOBAL_STANDARD_CONTROL, 0);
278
279         /* Release the microprocessor. UP_RESET must be held for 100 usec. */
280         phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL,
281                   UP_RUN_STALL | UP_RUN_STALL_OVERRIDE | UP_RESET);
282
283         udelay(100);
284
285         phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL, UP_RUN_STALL_OVERRIDE);
286
287         printf("%s firmare loading done.\n", phydev->dev->name);
288 done:
289         free(addr);
290         return ret;
291 }
292 #else
293 static int aquantia_upload_firmware(struct phy_device *phydev)
294 {
295         printf("ERROR %s firmware loading disabled.\n", phydev->dev->name);
296         return -1;
297 }
298 #endif
299
300 struct {
301         u16 syscfg;
302         int cnt;
303         u16 start_rate;
304 } aquantia_syscfg[PHY_INTERFACE_MODE_COUNT] = {
305         [PHY_INTERFACE_MODE_SGMII] =      {0x04b, AQUANTIA_VND1_GSYSCFG_1G,
306                                            AQUANTIA_VND1_GSTART_RATE_1G},
307         [PHY_INTERFACE_MODE_SGMII_2500] = {0x144, AQUANTIA_VND1_GSYSCFG_2_5G,
308                                            AQUANTIA_VND1_GSTART_RATE_2_5G},
309         [PHY_INTERFACE_MODE_XFI] =        {0x100, AQUANTIA_VND1_GSYSCFG_10G,
310                                            AQUANTIA_VND1_GSTART_RATE_10G},
311         [PHY_INTERFACE_MODE_USXGMII] =    {0x080, AQUANTIA_VND1_GSYSCFG_10G,
312                                            AQUANTIA_VND1_GSTART_RATE_10G},
313 };
314
315 static int aquantia_set_proto(struct phy_device *phydev,
316                               phy_interface_t interface)
317 {
318         int i;
319
320         if (!aquantia_syscfg[interface].cnt)
321                 return 0;
322
323         /* set the default rate to enable the SI link */
324         phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GSTART_RATE,
325                   aquantia_syscfg[interface].start_rate);
326
327         /* set selected protocol for all relevant line side link speeds */
328         for (i = 0; i <= aquantia_syscfg[interface].cnt; i++)
329                 phy_write(phydev, MDIO_MMD_VEND1,
330                           AQUANTIA_VND1_GSYSCFG_BASE + i,
331                           aquantia_syscfg[interface].syscfg);
332         return 0;
333 }
334
335 static int aquantia_dts_config(struct phy_device *phydev)
336 {
337 #ifdef CONFIG_DM_ETH
338         ofnode node = phydev->node;
339         u32 prop;
340         u16 reg;
341
342         /* this code only works on gen2 and gen3 PHYs */
343         if (phydev->drv->data != AQUANTIA_GEN2 &&
344             phydev->drv->data != AQUANTIA_GEN3)
345                 return -ENOTSUPP;
346
347         if (!ofnode_valid(node))
348                 return 0;
349
350         if (!ofnode_read_u32(node, "mdi-reversal", &prop)) {
351                 debug("mdi-reversal = %d\n", (int)prop);
352                 reg =  phy_read(phydev, MDIO_MMD_PMAPMD,
353                                 AQUANTIA_PMA_RX_VENDOR_P1);
354                 reg &= ~AQUANTIA_PMA_RX_VENDOR_P1_MDI_MSK;
355                 reg |= AQUANTIA_PMA_RX_VENDOR_P1_MDI_CFG;
356                 reg |= prop ? AQUANTIA_PMA_RX_VENDOR_P1_MDI_REV : 0;
357                 phy_write(phydev, MDIO_MMD_PMAPMD, AQUANTIA_PMA_RX_VENDOR_P1,
358                           reg);
359         }
360         if (!ofnode_read_u32(node, "smb-addr", &prop)) {
361                 debug("smb-addr = %x\n", (int)prop);
362                 /*
363                  * there are two addresses here, normally just one bus would
364                  * be in use so we're setting both regs using the same DT
365                  * property.
366                  */
367                 phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_SMBUS0,
368                           (u16)(prop << 1));
369                 phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_SMBUS1,
370                           (u16)(prop << 1));
371         }
372
373 #endif
374         return 0;
375 }
376
377 static bool aquantia_link_is_up(struct phy_device *phydev)
378 {
379         u16 reg, regmask;
380         int devad, regnum;
381
382         /*
383          * On Gen 2 and 3 we have a bit that indicates that both system and
384          * line side are ready for data, use that if possible.
385          */
386         if (phydev->drv->data == AQUANTIA_GEN2 ||
387             phydev->drv->data == AQUANTIA_GEN3) {
388                 devad = MDIO_MMD_PHYXS;
389                 regnum = AQUANTIA_SYSTEM_INTERFACE_SR;
390                 regmask = AQUANTIA_SYSTEM_INTERFACE_SR_READY;
391         } else {
392                 devad = MDIO_MMD_AN;
393                 regnum = MDIO_STAT1;
394                 regmask = MDIO_AN_STAT1_COMPLETE;
395         }
396         /* the register should be latched, do a double read */
397         phy_read(phydev, devad, regnum);
398         reg = phy_read(phydev, devad, regnum);
399
400         return !!(reg & regmask);
401 }
402
403 int aquantia_config(struct phy_device *phydev)
404 {
405         int interface = phydev->interface;
406         u32 val, id, rstatus, fault;
407         u32 reg_val1 = 0;
408         int num_retries = 5;
409         int usx_an = 0;
410
411         /*
412          * check if the system is out of reset and init sequence completed.
413          * chip-wide reset for gen1 quad phys takes longer
414          */
415         while (--num_retries) {
416                 rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_ALARM_1);
417                 if (rstatus & SYSTEM_READY_BIT)
418                         break;
419                 mdelay(10);
420         }
421
422         id = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FIRMWARE_ID);
423         rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_RSTATUS_1);
424         fault = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FAULT);
425
426         if (id != 0)
427                 debug("%s running firmware version %X.%X.%X\n",
428                       phydev->dev->name, (id >> 8), id & 0xff,
429                       (rstatus >> 4) & 0xf);
430
431         if (fault != 0)
432                 printf("%s fault 0x%04x detected\n", phydev->dev->name, fault);
433
434         if (id == 0 || fault != 0) {
435                 int ret;
436
437                 ret = aquantia_upload_firmware(phydev);
438                 if (ret != 0)
439                         return ret;
440         }
441         /*
442          * for backward compatibility convert XGMII into either XFI or USX based
443          * on FW config
444          */
445         if (interface == PHY_INTERFACE_MODE_XGMII) {
446                 debug("use XFI or USXGMII SI protos, XGMII is not valid\n");
447
448                 reg_val1 = phy_read(phydev, MDIO_MMD_PHYXS,
449                                     AQUANTIA_SYSTEM_INTERFACE_SR);
450                 if ((reg_val1 & AQUANTIA_SI_IN_USE_MASK) == AQUANTIA_SI_USXGMII)
451                         interface = PHY_INTERFACE_MODE_USXGMII;
452                 else
453                         interface = PHY_INTERFACE_MODE_XFI;
454         }
455
456         /*
457          * if link is up already we can just use it, otherwise configure
458          * the protocols in the PHY.  If link is down set the system
459          * interface protocol to use based on phydev->interface
460          */
461         if (!aquantia_link_is_up(phydev) &&
462             (phydev->drv->data == AQUANTIA_GEN2 ||
463              phydev->drv->data == AQUANTIA_GEN3)) {
464                 /* set PHY in low power mode so we can configure protocols */
465                 phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC,
466                           AQUANTIA_VND1_GLOBAL_SC_LP);
467                 mdelay(10);
468
469                 /* configure protocol based on phydev->interface */
470                 aquantia_set_proto(phydev, interface);
471                 /* apply custom configuration based on DT */
472                 aquantia_dts_config(phydev);
473
474                 /* wake PHY back up */
475                 phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC, 0);
476                 mdelay(10);
477         }
478
479         val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
480
481         switch (interface) {
482         case PHY_INTERFACE_MODE_SGMII:
483                 /* 1000BASE-T mode */
484                 phydev->advertising = SUPPORTED_1000baseT_Full;
485                 phydev->supported = phydev->advertising;
486
487                 val = (val & ~AQUNTIA_SPEED_LSB_MASK) | AQUNTIA_SPEED_MSB_MASK;
488                 phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val);
489                 break;
490         case PHY_INTERFACE_MODE_USXGMII:
491                 usx_an = 1;
492                 /* FALLTHROUGH */
493         case PHY_INTERFACE_MODE_XFI:
494                 /* 10GBASE-T mode */
495                 phydev->advertising = SUPPORTED_10000baseT_Full;
496                 phydev->supported = phydev->advertising;
497
498                 if (!(val & AQUNTIA_SPEED_LSB_MASK) ||
499                     !(val & AQUNTIA_SPEED_MSB_MASK))
500                         phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR,
501                                   AQUNTIA_SPEED_LSB_MASK |
502                                   AQUNTIA_SPEED_MSB_MASK);
503
504                 /* If SI is USXGMII then start USXGMII autoneg */
505                 reg_val1 =  phy_read(phydev, MDIO_MMD_PHYXS,
506                                      AQUANTIA_VENDOR_PROVISIONING_REG);
507
508                 if (usx_an) {
509                         reg_val1 |= AQUANTIA_USX_AUTONEG_CONTROL_ENA;
510                         debug("%s: system interface USXGMII\n",
511                               phydev->dev->name);
512                 } else {
513                         reg_val1 &= ~AQUANTIA_USX_AUTONEG_CONTROL_ENA;
514                         debug("%s: system interface XFI\n",
515                               phydev->dev->name);
516                 }
517
518                 phy_write(phydev, MDIO_MMD_PHYXS,
519                           AQUANTIA_VENDOR_PROVISIONING_REG, reg_val1);
520                 break;
521         case PHY_INTERFACE_MODE_SGMII_2500:
522                 /* 2.5GBASE-T mode */
523                 phydev->advertising = SUPPORTED_1000baseT_Full;
524                 phydev->supported = phydev->advertising;
525
526                 phy_write(phydev, MDIO_MMD_AN, AQUNTIA_10G_CTL, 1);
527                 phy_write(phydev, MDIO_MMD_AN, AQUNTIA_VENDOR_P1, 0x9440);
528                 break;
529         case PHY_INTERFACE_MODE_MII:
530                 /* 100BASE-TX mode */
531                 phydev->advertising = SUPPORTED_100baseT_Full;
532                 phydev->supported = phydev->advertising;
533
534                 val = (val & ~AQUNTIA_SPEED_MSB_MASK) | AQUNTIA_SPEED_LSB_MASK;
535                 phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val);
536                 break;
537         };
538
539         val = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_RESERVED_STATUS);
540         reg_val1 = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_FIRMWARE_ID);
541
542         debug("%s: %s Firmware Version %x.%x.%x\n", phydev->dev->name,
543               phydev->drv->name,
544               (reg_val1 & AQUANTIA_FIRMWARE_MAJOR_MASK) >> 8,
545               reg_val1 & AQUANTIA_FIRMWARE_MINOR_MASK,
546               (val & AQUANTIA_FIRMWARE_BUILD_MASK) >> 4);
547
548         return 0;
549 }
550
551 int aquantia_startup(struct phy_device *phydev)
552 {
553         u32 reg, speed;
554         int i = 0;
555
556         phydev->duplex = DUPLEX_FULL;
557
558         /* if the AN is still in progress, wait till timeout. */
559         if (!aquantia_link_is_up(phydev)) {
560                 printf("%s Waiting for PHY auto negotiation to complete",
561                        phydev->dev->name);
562                 do {
563                         udelay(1000);
564                         if ((i++ % 500) == 0)
565                                 printf(".");
566                 } while (!aquantia_link_is_up(phydev) &&
567                          i < (4 * PHY_ANEG_TIMEOUT));
568
569                 if (i > PHY_ANEG_TIMEOUT)
570                         printf(" TIMEOUT !\n");
571         }
572
573         /* Read twice because link state is latched and a
574          * read moves the current state into the register */
575         phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
576         reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1);
577         if (reg < 0 || !(reg & MDIO_STAT1_LSTATUS))
578                 phydev->link = 0;
579         else
580                 phydev->link = 1;
581
582         speed = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR);
583         if (speed & AQUNTIA_SPEED_MSB_MASK) {
584                 if (speed & AQUNTIA_SPEED_LSB_MASK)
585                         phydev->speed = SPEED_10000;
586                 else
587                         phydev->speed = SPEED_1000;
588         } else {
589                 if (speed & AQUNTIA_SPEED_LSB_MASK)
590                         phydev->speed = SPEED_100;
591                 else
592                         phydev->speed = SPEED_10;
593         }
594
595         return 0;
596 }
597
598 struct phy_driver aq1202_driver = {
599         .name = "Aquantia AQ1202",
600         .uid = 0x3a1b445,
601         .mask = 0xfffffff0,
602         .features = PHY_10G_FEATURES,
603         .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
604                         MDIO_MMD_PHYXS | MDIO_MMD_AN |
605                         MDIO_MMD_VEND1),
606         .config = &aquantia_config,
607         .startup = &aquantia_startup,
608         .shutdown = &gen10g_shutdown,
609 };
610
611 struct phy_driver aq2104_driver = {
612         .name = "Aquantia AQ2104",
613         .uid = 0x3a1b460,
614         .mask = 0xfffffff0,
615         .features = PHY_10G_FEATURES,
616         .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
617                         MDIO_MMD_PHYXS | MDIO_MMD_AN |
618                         MDIO_MMD_VEND1),
619         .config = &aquantia_config,
620         .startup = &aquantia_startup,
621         .shutdown = &gen10g_shutdown,
622 };
623
624 struct phy_driver aqr105_driver = {
625         .name = "Aquantia AQR105",
626         .uid = 0x3a1b4a2,
627         .mask = 0xfffffff0,
628         .features = PHY_10G_FEATURES,
629         .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
630                         MDIO_MMD_PHYXS | MDIO_MMD_AN |
631                         MDIO_MMD_VEND1),
632         .config = &aquantia_config,
633         .startup = &aquantia_startup,
634         .shutdown = &gen10g_shutdown,
635         .data = AQUANTIA_GEN1,
636 };
637
638 struct phy_driver aqr106_driver = {
639         .name = "Aquantia AQR106",
640         .uid = 0x3a1b4d0,
641         .mask = 0xfffffff0,
642         .features = PHY_10G_FEATURES,
643         .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
644                         MDIO_MMD_PHYXS | MDIO_MMD_AN |
645                         MDIO_MMD_VEND1),
646         .config = &aquantia_config,
647         .startup = &aquantia_startup,
648         .shutdown = &gen10g_shutdown,
649 };
650
651 struct phy_driver aqr107_driver = {
652         .name = "Aquantia AQR107",
653         .uid = 0x3a1b4e0,
654         .mask = 0xfffffff0,
655         .features = PHY_10G_FEATURES,
656         .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
657                         MDIO_MMD_PHYXS | MDIO_MMD_AN |
658                         MDIO_MMD_VEND1),
659         .config = &aquantia_config,
660         .startup = &aquantia_startup,
661         .shutdown = &gen10g_shutdown,
662         .data = AQUANTIA_GEN2,
663 };
664
665 struct phy_driver aqr112_driver = {
666         .name = "Aquantia AQR112",
667         .uid = 0x3a1b660,
668         .mask = 0xfffffff0,
669         .features = PHY_10G_FEATURES,
670         .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS |
671                  MDIO_MMD_PHYXS | MDIO_MMD_AN |
672                  MDIO_MMD_VEND1),
673         .config = &aquantia_config,
674         .startup = &aquantia_startup,
675         .shutdown = &gen10g_shutdown,
676         .data = AQUANTIA_GEN3,
677 };
678
679 struct phy_driver aqr405_driver = {
680         .name = "Aquantia AQR405",
681         .uid = 0x3a1b4b2,
682         .mask = 0xfffffff0,
683         .features = PHY_10G_FEATURES,
684         .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS|
685                  MDIO_MMD_PHYXS | MDIO_MMD_AN |
686                  MDIO_MMD_VEND1),
687         .config = &aquantia_config,
688         .startup = &aquantia_startup,
689         .shutdown = &gen10g_shutdown,
690         .data = AQUANTIA_GEN1,
691 };
692
693 struct phy_driver aqr412_driver = {
694         .name = "Aquantia AQR412",
695         .uid = 0x3a1b710,
696         .mask = 0xfffffff0,
697         .features = PHY_10G_FEATURES,
698         .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS |
699                  MDIO_MMD_PHYXS | MDIO_MMD_AN |
700                  MDIO_MMD_VEND1),
701         .config = &aquantia_config,
702         .startup = &aquantia_startup,
703         .shutdown = &gen10g_shutdown,
704         .data = AQUANTIA_GEN3,
705 };
706
707 int phy_aquantia_init(void)
708 {
709         phy_register(&aq1202_driver);
710         phy_register(&aq2104_driver);
711         phy_register(&aqr105_driver);
712         phy_register(&aqr106_driver);
713         phy_register(&aqr107_driver);
714         phy_register(&aqr112_driver);
715         phy_register(&aqr405_driver);
716         phy_register(&aqr412_driver);
717
718         return 0;
719 }