Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 2 | /* |
| 3 | * Aquantia PHY drivers |
| 4 | * |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 5 | * Copyright 2014 Freescale Semiconductor, Inc. |
Valentin-catalin Neacsu | 123b24f | 2018-10-30 09:54:46 +0000 | [diff] [blame] | 6 | * Copyright 2018 NXP |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 7 | */ |
| 8 | #include <config.h> |
| 9 | #include <common.h> |
Calvin Johnson | d76b9b7 | 2018-03-08 15:30:23 +0530 | [diff] [blame] | 10 | #include <dm.h> |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 11 | #include <phy.h> |
Philipp Tomsich | 36b26d1 | 2018-11-25 19:22:18 +0100 | [diff] [blame] | 12 | #include <u-boot/crc.h> |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 13 | #include <malloc.h> |
| 14 | #include <asm/byteorder.h> |
| 15 | #include <fs.h> |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 16 | |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 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 | |
Valentin-catalin Neacsu | 123b24f | 2018-10-30 09:54:46 +0000 | [diff] [blame] | 23 | #define AQUANTIA_SYSTEM_INTERFACE_SR 0xe812 |
Alex Marginean | 7a1dbe2 | 2019-11-14 18:28:32 +0200 | [diff] [blame] | 24 | #define AQUANTIA_SYSTEM_INTERFACE_SR_READY BIT(0) |
Valentin-catalin Neacsu | 123b24f | 2018-10-30 09:54:46 +0000 | [diff] [blame] | 25 | #define AQUANTIA_VENDOR_PROVISIONING_REG 0xC441 |
Valentin-catalin Neacsu | 7811919 | 2018-11-06 12:16:54 +0000 | [diff] [blame] | 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 |
Valentin-catalin Neacsu | 123b24f | 2018-10-30 09:54:46 +0000 | [diff] [blame] | 31 | |
| 32 | #define AQUANTIA_USX_AUTONEG_CONTROL_ENA 0x0008 |
| 33 | #define AQUANTIA_SI_IN_USE_MASK 0x0078 |
| 34 | #define AQUANTIA_SI_USXGMII 0x0018 |
| 35 | |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 36 | /* registers in MDIO_MMD_VEND1 region */ |
Alex Marginean | 7a1dbe2 | 2019-11-14 18:28:32 +0200 | [diff] [blame] | 37 | #define AQUANTIA_VND1_GLOBAL_SC 0x000 |
| 38 | #define AQUANTIA_VND1_GLOBAL_SC_LP BIT(0xb) |
| 39 | |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 40 | #define GLOBAL_FIRMWARE_ID 0x20 |
| 41 | #define GLOBAL_FAULT 0xc850 |
| 42 | #define GLOBAL_RSTATUS_1 0xc885 |
| 43 | |
Florin Chiculita | 40829fa | 2019-10-14 17:27:07 +0300 | [diff] [blame] | 44 | #define GLOBAL_ALARM_1 0xcc00 |
| 45 | #define SYSTEM_READY_BIT 0x40 |
| 46 | |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 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 | |
Alex Marginean | 0e65e4c | 2019-11-14 18:28:33 +0200 | [diff] [blame^] | 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 | |
Alex Marginean | 7a1dbe2 | 2019-11-14 18:28:32 +0200 | [diff] [blame] | 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 | |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 97 | /* addresses of memory segments in the phy */ |
| 98 | #define DRAM_BASE_ADDR 0x3FFE0000 |
| 99 | #define IRAM_BASE_ADDR 0x40000000 |
| 100 | |
| 101 | /* firmware image format constants */ |
| 102 | #define VERSION_STRING_SIZE 0x40 |
| 103 | #define VERSION_STRING_OFFSET 0x0200 |
| 104 | #define HEADER_OFFSET 0x300 |
| 105 | |
Alex Marginean | 85330a5 | 2019-11-14 18:28:31 +0200 | [diff] [blame] | 106 | /* driver private data */ |
| 107 | #define AQUANTIA_NA 0 |
| 108 | #define AQUANTIA_GEN1 1 |
| 109 | #define AQUANTIA_GEN2 2 |
| 110 | #define AQUANTIA_GEN3 3 |
| 111 | |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 112 | #pragma pack(1) |
| 113 | struct fw_header { |
| 114 | u8 padding[4]; |
| 115 | u8 iram_offset[3]; |
| 116 | u8 iram_size[3]; |
| 117 | u8 dram_offset[3]; |
| 118 | u8 dram_size[3]; |
| 119 | }; |
| 120 | |
| 121 | #pragma pack() |
| 122 | |
| 123 | #if defined(CONFIG_PHY_AQUANTIA_UPLOAD_FW) |
| 124 | static int aquantia_read_fw(u8 **fw_addr, size_t *fw_length) |
| 125 | { |
| 126 | loff_t length, read; |
| 127 | int ret; |
| 128 | void *addr = NULL; |
| 129 | |
| 130 | *fw_addr = NULL; |
| 131 | *fw_length = 0; |
| 132 | debug("Loading Acquantia microcode from %s %s\n", |
| 133 | CONFIG_PHY_AQUANTIA_FW_PART, CONFIG_PHY_AQUANTIA_FW_NAME); |
| 134 | ret = fs_set_blk_dev("mmc", CONFIG_PHY_AQUANTIA_FW_PART, FS_TYPE_ANY); |
| 135 | if (ret < 0) |
| 136 | goto cleanup; |
| 137 | |
| 138 | ret = fs_size(CONFIG_PHY_AQUANTIA_FW_NAME, &length); |
| 139 | if (ret < 0) |
| 140 | goto cleanup; |
| 141 | |
| 142 | addr = malloc(length); |
| 143 | if (!addr) { |
| 144 | ret = -ENOMEM; |
| 145 | goto cleanup; |
| 146 | } |
| 147 | |
| 148 | ret = fs_set_blk_dev("mmc", CONFIG_PHY_AQUANTIA_FW_PART, FS_TYPE_ANY); |
| 149 | if (ret < 0) |
| 150 | goto cleanup; |
| 151 | |
| 152 | ret = fs_read(CONFIG_PHY_AQUANTIA_FW_NAME, (ulong)addr, 0, length, |
| 153 | &read); |
| 154 | if (ret < 0) |
| 155 | goto cleanup; |
| 156 | |
| 157 | *fw_addr = addr; |
| 158 | *fw_length = length; |
| 159 | debug("Found Acquantia microcode.\n"); |
| 160 | |
| 161 | cleanup: |
| 162 | if (ret < 0) { |
| 163 | printf("loading firmware file %s %s failed with error %d\n", |
| 164 | CONFIG_PHY_AQUANTIA_FW_PART, |
| 165 | CONFIG_PHY_AQUANTIA_FW_NAME, ret); |
| 166 | free(addr); |
| 167 | } |
| 168 | return ret; |
| 169 | } |
| 170 | |
| 171 | /* load data into the phy's memory */ |
| 172 | static int aquantia_load_memory(struct phy_device *phydev, u32 addr, |
| 173 | const u8 *data, size_t len) |
| 174 | { |
| 175 | size_t pos; |
| 176 | u16 crc = 0, up_crc; |
| 177 | |
| 178 | phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_CONTROL, MAILBOX_RESET_CRC); |
| 179 | phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_ADDR_MSW, addr >> 16); |
| 180 | phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_ADDR_LSW, addr & 0xfffc); |
| 181 | |
| 182 | for (pos = 0; pos < len; pos += min(sizeof(u32), len - pos)) { |
| 183 | u32 word = 0; |
| 184 | |
| 185 | memcpy(&word, &data[pos], min(sizeof(u32), len - pos)); |
| 186 | |
| 187 | phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_DATA_MSW, |
| 188 | (word >> 16)); |
| 189 | phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_DATA_LSW, |
| 190 | word & 0xffff); |
| 191 | |
| 192 | phy_write(phydev, MDIO_MMD_VEND1, MAILBOX_CONTROL, |
| 193 | MAILBOX_EXECUTE | MAILBOX_WRITE); |
| 194 | |
| 195 | /* keep a big endian CRC to match the phy processor */ |
| 196 | word = cpu_to_be32(word); |
| 197 | crc = crc16_ccitt(crc, (u8 *)&word, sizeof(word)); |
| 198 | } |
| 199 | |
| 200 | up_crc = phy_read(phydev, MDIO_MMD_VEND1, MAILBOX_CRC); |
| 201 | if (crc != up_crc) { |
| 202 | printf("%s crc mismatch: calculated 0x%04hx phy 0x%04hx\n", |
| 203 | phydev->dev->name, crc, up_crc); |
| 204 | return -EINVAL; |
| 205 | } |
| 206 | return 0; |
| 207 | } |
| 208 | |
| 209 | static u32 unpack_u24(const u8 *data) |
| 210 | { |
| 211 | return (data[2] << 16) + (data[1] << 8) + data[0]; |
| 212 | } |
| 213 | |
| 214 | static int aquantia_upload_firmware(struct phy_device *phydev) |
| 215 | { |
| 216 | int ret; |
| 217 | u8 *addr = NULL; |
| 218 | size_t fw_length = 0; |
| 219 | u16 calculated_crc, read_crc; |
| 220 | char version[VERSION_STRING_SIZE]; |
| 221 | u32 primary_offset, iram_offset, iram_size, dram_offset, dram_size; |
| 222 | const struct fw_header *header; |
| 223 | |
| 224 | ret = aquantia_read_fw(&addr, &fw_length); |
| 225 | if (ret != 0) |
| 226 | return ret; |
| 227 | |
| 228 | read_crc = (addr[fw_length - 2] << 8) | addr[fw_length - 1]; |
| 229 | calculated_crc = crc16_ccitt(0, addr, fw_length - 2); |
| 230 | if (read_crc != calculated_crc) { |
| 231 | printf("%s bad firmware crc: file 0x%04x calculated 0x%04x\n", |
| 232 | phydev->dev->name, read_crc, calculated_crc); |
| 233 | ret = -EINVAL; |
| 234 | goto done; |
| 235 | } |
| 236 | |
| 237 | /* Find the DRAM and IRAM sections within the firmware file. */ |
| 238 | primary_offset = ((addr[9] & 0xf) << 8 | addr[8]) << 12; |
| 239 | |
| 240 | header = (struct fw_header *)&addr[primary_offset + HEADER_OFFSET]; |
| 241 | |
| 242 | iram_offset = primary_offset + unpack_u24(header->iram_offset); |
| 243 | iram_size = unpack_u24(header->iram_size); |
| 244 | |
| 245 | dram_offset = primary_offset + unpack_u24(header->dram_offset); |
| 246 | dram_size = unpack_u24(header->dram_size); |
| 247 | |
| 248 | debug("primary %d iram offset=%d size=%d dram offset=%d size=%d\n", |
| 249 | primary_offset, iram_offset, iram_size, dram_offset, dram_size); |
| 250 | |
| 251 | strlcpy(version, (char *)&addr[dram_offset + VERSION_STRING_OFFSET], |
| 252 | VERSION_STRING_SIZE); |
| 253 | printf("%s loading firmare version '%s'\n", phydev->dev->name, version); |
| 254 | |
| 255 | /* stall the microcprocessor */ |
| 256 | phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL, |
| 257 | UP_RUN_STALL | UP_RUN_STALL_OVERRIDE); |
| 258 | |
| 259 | debug("loading dram 0x%08x from offset=%d size=%d\n", |
| 260 | DRAM_BASE_ADDR, dram_offset, dram_size); |
| 261 | ret = aquantia_load_memory(phydev, DRAM_BASE_ADDR, &addr[dram_offset], |
| 262 | dram_size); |
| 263 | if (ret != 0) |
| 264 | goto done; |
| 265 | |
| 266 | debug("loading iram 0x%08x from offset=%d size=%d\n", |
| 267 | IRAM_BASE_ADDR, iram_offset, iram_size); |
| 268 | ret = aquantia_load_memory(phydev, IRAM_BASE_ADDR, &addr[iram_offset], |
| 269 | iram_size); |
| 270 | if (ret != 0) |
| 271 | goto done; |
| 272 | |
| 273 | /* make sure soft reset and low power mode are clear */ |
| 274 | phy_write(phydev, MDIO_MMD_VEND1, GLOBAL_STANDARD_CONTROL, 0); |
| 275 | |
| 276 | /* Release the microprocessor. UP_RESET must be held for 100 usec. */ |
| 277 | phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL, |
| 278 | UP_RUN_STALL | UP_RUN_STALL_OVERRIDE | UP_RESET); |
| 279 | |
| 280 | udelay(100); |
| 281 | |
| 282 | phy_write(phydev, MDIO_MMD_VEND1, UP_CONTROL, UP_RUN_STALL_OVERRIDE); |
| 283 | |
| 284 | printf("%s firmare loading done.\n", phydev->dev->name); |
| 285 | done: |
| 286 | free(addr); |
| 287 | return ret; |
| 288 | } |
| 289 | #else |
| 290 | static int aquantia_upload_firmware(struct phy_device *phydev) |
| 291 | { |
Jeremy Gebben | 6ce0dd8 | 2018-09-18 15:49:37 -0600 | [diff] [blame] | 292 | printf("ERROR %s firmware loading disabled.\n", phydev->dev->name); |
| 293 | return -1; |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 294 | } |
| 295 | #endif |
| 296 | |
Alex Marginean | 7a1dbe2 | 2019-11-14 18:28:32 +0200 | [diff] [blame] | 297 | struct { |
| 298 | u16 syscfg; |
| 299 | int cnt; |
| 300 | u16 start_rate; |
| 301 | } aquantia_syscfg[PHY_INTERFACE_MODE_COUNT] = { |
| 302 | [PHY_INTERFACE_MODE_SGMII] = {0x04b, AQUANTIA_VND1_GSYSCFG_1G, |
| 303 | AQUANTIA_VND1_GSTART_RATE_1G}, |
| 304 | [PHY_INTERFACE_MODE_SGMII_2500] = {0x144, AQUANTIA_VND1_GSYSCFG_2_5G, |
| 305 | AQUANTIA_VND1_GSTART_RATE_2_5G}, |
| 306 | [PHY_INTERFACE_MODE_XGMII] = {0x100, AQUANTIA_VND1_GSYSCFG_10G, |
| 307 | AQUANTIA_VND1_GSTART_RATE_10G}, |
| 308 | [PHY_INTERFACE_MODE_XFI] = {0x100, AQUANTIA_VND1_GSYSCFG_10G, |
| 309 | AQUANTIA_VND1_GSTART_RATE_10G}, |
| 310 | [PHY_INTERFACE_MODE_USXGMII] = {0x080, AQUANTIA_VND1_GSYSCFG_10G, |
| 311 | AQUANTIA_VND1_GSTART_RATE_10G}, |
| 312 | }; |
| 313 | |
| 314 | static int aquantia_set_proto(struct phy_device *phydev) |
| 315 | { |
| 316 | int i; |
| 317 | |
| 318 | if (!aquantia_syscfg[phydev->interface].cnt) |
| 319 | return 0; |
| 320 | |
| 321 | /* set the default rate to enable the SI link */ |
| 322 | phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GSTART_RATE, |
| 323 | aquantia_syscfg[phydev->interface].start_rate); |
| 324 | |
| 325 | /* set selected protocol for all relevant line side link speeds */ |
| 326 | for (i = 0; i <= aquantia_syscfg[phydev->interface].cnt; i++) |
| 327 | phy_write(phydev, MDIO_MMD_VEND1, |
| 328 | AQUANTIA_VND1_GSYSCFG_BASE + i, |
| 329 | aquantia_syscfg[phydev->interface].syscfg); |
| 330 | return 0; |
| 331 | } |
| 332 | |
Alex Marginean | 0e65e4c | 2019-11-14 18:28:33 +0200 | [diff] [blame^] | 333 | static int aquantia_dts_config(struct phy_device *phydev) |
| 334 | { |
| 335 | #ifdef CONFIG_DM_ETH |
| 336 | ofnode node = phydev->node; |
| 337 | u32 prop; |
| 338 | u16 reg; |
| 339 | |
| 340 | /* this code only works on gen2 and gen3 PHYs */ |
| 341 | if (phydev->drv->data != AQUANTIA_GEN2 && |
| 342 | phydev->drv->data != AQUANTIA_GEN3) |
| 343 | return -ENOTSUPP; |
| 344 | |
| 345 | if (!ofnode_valid(node)) |
| 346 | return 0; |
| 347 | |
| 348 | if (!ofnode_read_u32(node, "mdi-reversal", &prop)) { |
| 349 | debug("mdi-reversal = %d\n", (int)prop); |
| 350 | reg = phy_read(phydev, MDIO_MMD_PMAPMD, |
| 351 | AQUANTIA_PMA_RX_VENDOR_P1); |
| 352 | reg &= ~AQUANTIA_PMA_RX_VENDOR_P1_MDI_MSK; |
| 353 | reg |= AQUANTIA_PMA_RX_VENDOR_P1_MDI_CFG; |
| 354 | reg |= prop ? AQUANTIA_PMA_RX_VENDOR_P1_MDI_REV : 0; |
| 355 | phy_write(phydev, MDIO_MMD_PMAPMD, AQUANTIA_PMA_RX_VENDOR_P1, |
| 356 | reg); |
| 357 | } |
| 358 | |
| 359 | #endif |
| 360 | return 0; |
| 361 | } |
| 362 | |
Alex Marginean | 7a1dbe2 | 2019-11-14 18:28:32 +0200 | [diff] [blame] | 363 | static bool aquantia_link_is_up(struct phy_device *phydev) |
| 364 | { |
| 365 | u16 reg, regmask; |
| 366 | int devad, regnum; |
| 367 | |
| 368 | /* |
| 369 | * On Gen 2 and 3 we have a bit that indicates that both system and |
| 370 | * line side are ready for data, use that if possible. |
| 371 | */ |
| 372 | if (phydev->drv->data == AQUANTIA_GEN2 || |
| 373 | phydev->drv->data == AQUANTIA_GEN3) { |
| 374 | devad = MDIO_MMD_PHYXS; |
| 375 | regnum = AQUANTIA_SYSTEM_INTERFACE_SR; |
| 376 | regmask = AQUANTIA_SYSTEM_INTERFACE_SR_READY; |
| 377 | } else { |
| 378 | devad = MDIO_MMD_AN; |
| 379 | regnum = MDIO_STAT1; |
| 380 | regmask = MDIO_AN_STAT1_COMPLETE; |
| 381 | } |
| 382 | /* the register should be latched, do a double read */ |
| 383 | phy_read(phydev, devad, regnum); |
| 384 | reg = phy_read(phydev, devad, regnum); |
| 385 | |
| 386 | return !!(reg & regmask); |
| 387 | } |
| 388 | |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 389 | int aquantia_config(struct phy_device *phydev) |
| 390 | { |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 391 | int interface = phydev->interface; |
Jeremy Gebben | 6ce0dd8 | 2018-09-18 15:49:37 -0600 | [diff] [blame] | 392 | u32 val, id, rstatus, fault; |
Valentin-catalin Neacsu | 7811919 | 2018-11-06 12:16:54 +0000 | [diff] [blame] | 393 | u32 reg_val1 = 0; |
Florin Chiculita | 40829fa | 2019-10-14 17:27:07 +0300 | [diff] [blame] | 394 | int num_retries = 5; |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 395 | int usx_an = 0; |
Florin Chiculita | 40829fa | 2019-10-14 17:27:07 +0300 | [diff] [blame] | 396 | |
| 397 | /* |
| 398 | * check if the system is out of reset and init sequence completed. |
| 399 | * chip-wide reset for gen1 quad phys takes longer |
| 400 | */ |
| 401 | while (--num_retries) { |
| 402 | rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_ALARM_1); |
| 403 | if (rstatus & SYSTEM_READY_BIT) |
| 404 | break; |
| 405 | mdelay(10); |
| 406 | } |
Jeremy Gebben | 6ce0dd8 | 2018-09-18 15:49:37 -0600 | [diff] [blame] | 407 | |
| 408 | id = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FIRMWARE_ID); |
| 409 | rstatus = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_RSTATUS_1); |
| 410 | fault = phy_read(phydev, MDIO_MMD_VEND1, GLOBAL_FAULT); |
| 411 | |
| 412 | if (id != 0) |
| 413 | printf("%s running firmware version %X.%X.%X\n", |
| 414 | phydev->dev->name, (id >> 8), id & 0xff, |
| 415 | (rstatus >> 4) & 0xf); |
| 416 | |
| 417 | if (fault != 0) |
| 418 | printf("%s fault 0x%04x detected\n", phydev->dev->name, fault); |
| 419 | |
| 420 | if (id == 0 || fault != 0) { |
| 421 | int ret; |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 422 | |
Jeremy Gebben | 6ce0dd8 | 2018-09-18 15:49:37 -0600 | [diff] [blame] | 423 | ret = aquantia_upload_firmware(phydev); |
| 424 | if (ret != 0) |
| 425 | return ret; |
| 426 | } |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 427 | /* |
| 428 | * for backward compatibility convert XGMII into either XFI or USX based |
| 429 | * on FW config |
| 430 | */ |
| 431 | if (interface == PHY_INTERFACE_MODE_XGMII) { |
| 432 | reg_val1 = phy_read(phydev, MDIO_MMD_PHYXS, |
| 433 | AQUANTIA_SYSTEM_INTERFACE_SR); |
| 434 | if ((reg_val1 & AQUANTIA_SI_IN_USE_MASK) == AQUANTIA_SI_USXGMII) |
| 435 | interface = PHY_INTERFACE_MODE_USXGMII; |
| 436 | else |
| 437 | interface = PHY_INTERFACE_MODE_XFI; |
| 438 | } |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 439 | |
Alex Marginean | 7a1dbe2 | 2019-11-14 18:28:32 +0200 | [diff] [blame] | 440 | /* |
| 441 | * if link is up already we can just use it, otherwise configure |
| 442 | * the protocols in the PHY. If link is down set the system |
| 443 | * interface protocol to use based on phydev->interface |
| 444 | */ |
| 445 | if (!aquantia_link_is_up(phydev) && |
| 446 | (phydev->drv->data == AQUANTIA_GEN2 || |
| 447 | phydev->drv->data == AQUANTIA_GEN3)) { |
| 448 | /* set PHY in low power mode so we can configure protocols */ |
| 449 | phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC, |
| 450 | AQUANTIA_VND1_GLOBAL_SC_LP); |
| 451 | mdelay(10); |
| 452 | |
| 453 | /* configure protocol based on phydev->interface */ |
| 454 | aquantia_set_proto(phydev); |
Alex Marginean | 0e65e4c | 2019-11-14 18:28:33 +0200 | [diff] [blame^] | 455 | /* apply custom configuration based on DT */ |
| 456 | aquantia_dts_config(phydev); |
Alex Marginean | 7a1dbe2 | 2019-11-14 18:28:32 +0200 | [diff] [blame] | 457 | |
| 458 | /* wake PHY back up */ |
| 459 | phy_write(phydev, MDIO_MMD_VEND1, AQUANTIA_VND1_GLOBAL_SC, 0); |
| 460 | mdelay(10); |
| 461 | } |
| 462 | |
Jeremy Gebben | e662c0d | 2018-09-18 15:49:36 -0600 | [diff] [blame] | 463 | val = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR); |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 464 | |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 465 | switch (interface) { |
| 466 | case PHY_INTERFACE_MODE_SGMII: |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 467 | /* 1000BASE-T mode */ |
| 468 | phydev->advertising = SUPPORTED_1000baseT_Full; |
| 469 | phydev->supported = phydev->advertising; |
| 470 | |
| 471 | val = (val & ~AQUNTIA_SPEED_LSB_MASK) | AQUNTIA_SPEED_MSB_MASK; |
| 472 | phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val); |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 473 | break; |
| 474 | case PHY_INTERFACE_MODE_USXGMII: |
| 475 | usx_an = 1; |
| 476 | /* FALLTHROUGH */ |
| 477 | case PHY_INTERFACE_MODE_XFI: |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 478 | /* 10GBASE-T mode */ |
| 479 | phydev->advertising = SUPPORTED_10000baseT_Full; |
| 480 | phydev->supported = phydev->advertising; |
| 481 | |
| 482 | if (!(val & AQUNTIA_SPEED_LSB_MASK) || |
| 483 | !(val & AQUNTIA_SPEED_MSB_MASK)) |
| 484 | phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, |
| 485 | AQUNTIA_SPEED_LSB_MASK | |
| 486 | AQUNTIA_SPEED_MSB_MASK); |
Valentin-catalin Neacsu | 123b24f | 2018-10-30 09:54:46 +0000 | [diff] [blame] | 487 | |
Valentin-catalin Neacsu | 123b24f | 2018-10-30 09:54:46 +0000 | [diff] [blame] | 488 | /* If SI is USXGMII then start USXGMII autoneg */ |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 489 | reg_val1 = phy_read(phydev, MDIO_MMD_PHYXS, |
| 490 | AQUANTIA_VENDOR_PROVISIONING_REG); |
Valentin-catalin Neacsu | deef311 | 2019-02-13 09:14:53 +0000 | [diff] [blame] | 491 | |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 492 | if (usx_an) { |
Valentin-catalin Neacsu | deef311 | 2019-02-13 09:14:53 +0000 | [diff] [blame] | 493 | reg_val1 |= AQUANTIA_USX_AUTONEG_CONTROL_ENA; |
Valentin-catalin Neacsu | 7811919 | 2018-11-06 12:16:54 +0000 | [diff] [blame] | 494 | printf("%s: system interface USXGMII\n", |
| 495 | phydev->dev->name); |
| 496 | } else { |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 497 | reg_val1 &= ~AQUANTIA_USX_AUTONEG_CONTROL_ENA; |
Valentin-catalin Neacsu | 7811919 | 2018-11-06 12:16:54 +0000 | [diff] [blame] | 498 | printf("%s: system interface XFI\n", |
| 499 | phydev->dev->name); |
Valentin-catalin Neacsu | 123b24f | 2018-10-30 09:54:46 +0000 | [diff] [blame] | 500 | } |
| 501 | |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 502 | phy_write(phydev, MDIO_MMD_PHYXS, |
| 503 | AQUANTIA_VENDOR_PROVISIONING_REG, reg_val1); |
| 504 | break; |
| 505 | case PHY_INTERFACE_MODE_SGMII_2500: |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 506 | /* 2.5GBASE-T mode */ |
| 507 | phydev->advertising = SUPPORTED_1000baseT_Full; |
| 508 | phydev->supported = phydev->advertising; |
| 509 | |
| 510 | phy_write(phydev, MDIO_MMD_AN, AQUNTIA_10G_CTL, 1); |
| 511 | phy_write(phydev, MDIO_MMD_AN, AQUNTIA_VENDOR_P1, 0x9440); |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 512 | break; |
| 513 | case PHY_INTERFACE_MODE_MII: |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 514 | /* 100BASE-TX mode */ |
| 515 | phydev->advertising = SUPPORTED_100baseT_Full; |
| 516 | phydev->supported = phydev->advertising; |
| 517 | |
| 518 | val = (val & ~AQUNTIA_SPEED_MSB_MASK) | AQUNTIA_SPEED_LSB_MASK; |
| 519 | phy_write(phydev, MDIO_MMD_PMAPMD, MII_BMCR, val); |
Alex Marginean | d103efb | 2019-11-14 18:28:30 +0200 | [diff] [blame] | 520 | break; |
| 521 | }; |
Valentin-catalin Neacsu | 7811919 | 2018-11-06 12:16:54 +0000 | [diff] [blame] | 522 | |
| 523 | val = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_RESERVED_STATUS); |
| 524 | reg_val1 = phy_read(phydev, MDIO_MMD_VEND1, AQUANTIA_FIRMWARE_ID); |
| 525 | |
| 526 | printf("%s: %s Firmware Version %x.%x.%x\n", phydev->dev->name, |
| 527 | phydev->drv->name, |
| 528 | (reg_val1 & AQUANTIA_FIRMWARE_MAJOR_MASK) >> 8, |
| 529 | reg_val1 & AQUANTIA_FIRMWARE_MINOR_MASK, |
| 530 | (val & AQUANTIA_FIRMWARE_BUILD_MASK) >> 4); |
| 531 | |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 532 | return 0; |
| 533 | } |
| 534 | |
| 535 | int aquantia_startup(struct phy_device *phydev) |
| 536 | { |
| 537 | u32 reg, speed; |
| 538 | int i = 0; |
| 539 | |
| 540 | phydev->duplex = DUPLEX_FULL; |
| 541 | |
| 542 | /* if the AN is still in progress, wait till timeout. */ |
| 543 | phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); |
| 544 | reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); |
| 545 | if (!(reg & MDIO_AN_STAT1_COMPLETE)) { |
| 546 | printf("%s Waiting for PHY auto negotiation to complete", |
| 547 | phydev->dev->name); |
| 548 | do { |
| 549 | udelay(1000); |
| 550 | reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); |
| 551 | if ((i++ % 500) == 0) |
| 552 | printf("."); |
| 553 | } while (!(reg & MDIO_AN_STAT1_COMPLETE) && |
| 554 | i < (4 * PHY_ANEG_TIMEOUT)); |
| 555 | |
| 556 | if (i > PHY_ANEG_TIMEOUT) |
| 557 | printf(" TIMEOUT !\n"); |
| 558 | } |
| 559 | |
| 560 | /* Read twice because link state is latched and a |
| 561 | * read moves the current state into the register */ |
| 562 | phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); |
| 563 | reg = phy_read(phydev, MDIO_MMD_AN, MDIO_STAT1); |
| 564 | if (reg < 0 || !(reg & MDIO_STAT1_LSTATUS)) |
| 565 | phydev->link = 0; |
| 566 | else |
| 567 | phydev->link = 1; |
| 568 | |
| 569 | speed = phy_read(phydev, MDIO_MMD_PMAPMD, MII_BMCR); |
| 570 | if (speed & AQUNTIA_SPEED_MSB_MASK) { |
| 571 | if (speed & AQUNTIA_SPEED_LSB_MASK) |
| 572 | phydev->speed = SPEED_10000; |
| 573 | else |
| 574 | phydev->speed = SPEED_1000; |
| 575 | } else { |
| 576 | if (speed & AQUNTIA_SPEED_LSB_MASK) |
| 577 | phydev->speed = SPEED_100; |
| 578 | else |
| 579 | phydev->speed = SPEED_10; |
| 580 | } |
| 581 | |
| 582 | return 0; |
| 583 | } |
| 584 | |
| 585 | struct phy_driver aq1202_driver = { |
| 586 | .name = "Aquantia AQ1202", |
| 587 | .uid = 0x3a1b445, |
| 588 | .mask = 0xfffffff0, |
| 589 | .features = PHY_10G_FEATURES, |
| 590 | .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| |
| 591 | MDIO_MMD_PHYXS | MDIO_MMD_AN | |
| 592 | MDIO_MMD_VEND1), |
| 593 | .config = &aquantia_config, |
| 594 | .startup = &aquantia_startup, |
| 595 | .shutdown = &gen10g_shutdown, |
| 596 | }; |
| 597 | |
| 598 | struct phy_driver aq2104_driver = { |
| 599 | .name = "Aquantia AQ2104", |
| 600 | .uid = 0x3a1b460, |
| 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 aqr105_driver = { |
| 612 | .name = "Aquantia AQR105", |
| 613 | .uid = 0x3a1b4a2, |
| 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, |
Alex Marginean | 85330a5 | 2019-11-14 18:28:31 +0200 | [diff] [blame] | 622 | .data = AQUANTIA_GEN1, |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 623 | }; |
Shaohui Xie | f6a0e73 | 2015-11-10 19:16:33 +0800 | [diff] [blame] | 624 | |
Mingkai Hu | 602e9b5 | 2016-07-01 19:03:23 +0800 | [diff] [blame] | 625 | struct phy_driver aqr106_driver = { |
| 626 | .name = "Aquantia AQR106", |
| 627 | .uid = 0x3a1b4d0, |
| 628 | .mask = 0xfffffff0, |
| 629 | .features = PHY_10G_FEATURES, |
| 630 | .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| |
| 631 | MDIO_MMD_PHYXS | MDIO_MMD_AN | |
| 632 | MDIO_MMD_VEND1), |
| 633 | .config = &aquantia_config, |
| 634 | .startup = &aquantia_startup, |
| 635 | .shutdown = &gen10g_shutdown, |
| 636 | }; |
| 637 | |
| 638 | struct phy_driver aqr107_driver = { |
| 639 | .name = "Aquantia AQR107", |
| 640 | .uid = 0x3a1b4e0, |
| 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, |
Alex Marginean | 85330a5 | 2019-11-14 18:28:31 +0200 | [diff] [blame] | 649 | .data = AQUANTIA_GEN2, |
Mingkai Hu | 602e9b5 | 2016-07-01 19:03:23 +0800 | [diff] [blame] | 650 | }; |
| 651 | |
Alexandru Marginean | 6ad2744 | 2019-06-19 12:53:43 +0000 | [diff] [blame] | 652 | struct phy_driver aqr112_driver = { |
| 653 | .name = "Aquantia AQR112", |
| 654 | .uid = 0x3a1b660, |
| 655 | .mask = 0xfffffff0, |
| 656 | .features = PHY_10G_FEATURES, |
| 657 | .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS | |
| 658 | MDIO_MMD_PHYXS | MDIO_MMD_AN | |
| 659 | MDIO_MMD_VEND1), |
| 660 | .config = &aquantia_config, |
| 661 | .startup = &aquantia_startup, |
| 662 | .shutdown = &gen10g_shutdown, |
Alex Marginean | 85330a5 | 2019-11-14 18:28:31 +0200 | [diff] [blame] | 663 | .data = AQUANTIA_GEN3, |
Alexandru Marginean | 6ad2744 | 2019-06-19 12:53:43 +0000 | [diff] [blame] | 664 | }; |
| 665 | |
Shaohui Xie | f6a0e73 | 2015-11-10 19:16:33 +0800 | [diff] [blame] | 666 | struct phy_driver aqr405_driver = { |
| 667 | .name = "Aquantia AQR405", |
| 668 | .uid = 0x3a1b4b2, |
| 669 | .mask = 0xfffffff0, |
| 670 | .features = PHY_10G_FEATURES, |
| 671 | .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS| |
| 672 | MDIO_MMD_PHYXS | MDIO_MMD_AN | |
| 673 | MDIO_MMD_VEND1), |
| 674 | .config = &aquantia_config, |
| 675 | .startup = &aquantia_startup, |
| 676 | .shutdown = &gen10g_shutdown, |
Alex Marginean | 85330a5 | 2019-11-14 18:28:31 +0200 | [diff] [blame] | 677 | .data = AQUANTIA_GEN1, |
Shaohui Xie | f6a0e73 | 2015-11-10 19:16:33 +0800 | [diff] [blame] | 678 | }; |
| 679 | |
Alexandru Marginean | 6ad2744 | 2019-06-19 12:53:43 +0000 | [diff] [blame] | 680 | struct phy_driver aqr412_driver = { |
| 681 | .name = "Aquantia AQR412", |
| 682 | .uid = 0x3a1b710, |
| 683 | .mask = 0xfffffff0, |
| 684 | .features = PHY_10G_FEATURES, |
| 685 | .mmds = (MDIO_MMD_PMAPMD | MDIO_MMD_PCS | |
| 686 | MDIO_MMD_PHYXS | MDIO_MMD_AN | |
| 687 | MDIO_MMD_VEND1), |
| 688 | .config = &aquantia_config, |
| 689 | .startup = &aquantia_startup, |
| 690 | .shutdown = &gen10g_shutdown, |
Alex Marginean | 85330a5 | 2019-11-14 18:28:31 +0200 | [diff] [blame] | 691 | .data = AQUANTIA_GEN3, |
Alexandru Marginean | 6ad2744 | 2019-06-19 12:53:43 +0000 | [diff] [blame] | 692 | }; |
| 693 | |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 694 | int phy_aquantia_init(void) |
| 695 | { |
| 696 | phy_register(&aq1202_driver); |
| 697 | phy_register(&aq2104_driver); |
| 698 | phy_register(&aqr105_driver); |
Mingkai Hu | 602e9b5 | 2016-07-01 19:03:23 +0800 | [diff] [blame] | 699 | phy_register(&aqr106_driver); |
| 700 | phy_register(&aqr107_driver); |
Alexandru Marginean | 6ad2744 | 2019-06-19 12:53:43 +0000 | [diff] [blame] | 701 | phy_register(&aqr112_driver); |
Shaohui Xie | f6a0e73 | 2015-11-10 19:16:33 +0800 | [diff] [blame] | 702 | phy_register(&aqr405_driver); |
Alexandru Marginean | 6ad2744 | 2019-06-19 12:53:43 +0000 | [diff] [blame] | 703 | phy_register(&aqr412_driver); |
Shaohui Xie | 0e548d7 | 2014-12-30 18:32:04 +0800 | [diff] [blame] | 704 | |
| 705 | return 0; |
| 706 | } |