| .. | .. |
|---|
| 1 | | -/* This program is free software; you can redistribute it and/or modify |
|---|
| 2 | | - * it under the terms of the GNU General Public License as published by |
|---|
| 3 | | - * the Free Software Foundation; version 2 of the License |
|---|
| 4 | | - * |
|---|
| 5 | | - * This program is distributed in the hope that it will be useful, |
|---|
| 6 | | - * but WITHOUT ANY WARRANTY; without even the implied warranty of |
|---|
| 7 | | - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|---|
| 8 | | - * GNU General Public License for more details. |
|---|
| 1 | +// SPDX-License-Identifier: GPL-2.0-only |
|---|
| 2 | +/* |
|---|
| 9 | 3 | * |
|---|
| 10 | 4 | * Copyright (C) 2009-2016 John Crispin <blogic@openwrt.org> |
|---|
| 11 | 5 | * Copyright (C) 2009-2016 Felix Fietkau <nbd@openwrt.org> |
|---|
| .. | .. |
|---|
| 24 | 18 | #include <linux/tcp.h> |
|---|
| 25 | 19 | #include <linux/interrupt.h> |
|---|
| 26 | 20 | #include <linux/pinctrl/devinfo.h> |
|---|
| 21 | +#include <linux/phylink.h> |
|---|
| 27 | 22 | |
|---|
| 28 | 23 | #include "mtk_eth_soc.h" |
|---|
| 29 | 24 | |
|---|
| .. | .. |
|---|
| 54 | 49 | }; |
|---|
| 55 | 50 | |
|---|
| 56 | 51 | static const char * const mtk_clks_source_name[] = { |
|---|
| 57 | | - "ethif", "esw", "gp0", "gp1", "gp2", "trgpll", "sgmii_tx250m", |
|---|
| 58 | | - "sgmii_rx250m", "sgmii_cdr_ref", "sgmii_cdr_fb", "sgmii_ck", "eth2pll" |
|---|
| 52 | + "ethif", "sgmiitop", "esw", "gp0", "gp1", "gp2", "fe", "trgpll", |
|---|
| 53 | + "sgmii_tx250m", "sgmii_rx250m", "sgmii_cdr_ref", "sgmii_cdr_fb", |
|---|
| 54 | + "sgmii2_tx250m", "sgmii2_rx250m", "sgmii2_cdr_ref", "sgmii2_cdr_fb", |
|---|
| 55 | + "sgmii_ck", "eth2pll", |
|---|
| 59 | 56 | }; |
|---|
| 60 | 57 | |
|---|
| 61 | 58 | void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg) |
|---|
| .. | .. |
|---|
| 66 | 63 | u32 mtk_r32(struct mtk_eth *eth, unsigned reg) |
|---|
| 67 | 64 | { |
|---|
| 68 | 65 | return __raw_readl(eth->base + reg); |
|---|
| 66 | +} |
|---|
| 67 | + |
|---|
| 68 | +static u32 mtk_m32(struct mtk_eth *eth, u32 mask, u32 set, unsigned reg) |
|---|
| 69 | +{ |
|---|
| 70 | + u32 val; |
|---|
| 71 | + |
|---|
| 72 | + val = mtk_r32(eth, reg); |
|---|
| 73 | + val &= ~mask; |
|---|
| 74 | + val |= set; |
|---|
| 75 | + mtk_w32(eth, val, reg); |
|---|
| 76 | + return reg; |
|---|
| 69 | 77 | } |
|---|
| 70 | 78 | |
|---|
| 71 | 79 | static int mtk_mdio_busy_wait(struct mtk_eth *eth) |
|---|
| .. | .. |
|---|
| 138 | 146 | return _mtk_mdio_read(eth, phy_addr, phy_reg); |
|---|
| 139 | 147 | } |
|---|
| 140 | 148 | |
|---|
| 141 | | -static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth, int speed) |
|---|
| 149 | +static int mt7621_gmac0_rgmii_adjust(struct mtk_eth *eth, |
|---|
| 150 | + phy_interface_t interface) |
|---|
| 151 | +{ |
|---|
| 152 | + u32 val; |
|---|
| 153 | + |
|---|
| 154 | + /* Check DDR memory type. |
|---|
| 155 | + * Currently TRGMII mode with DDR2 memory is not supported. |
|---|
| 156 | + */ |
|---|
| 157 | + regmap_read(eth->ethsys, ETHSYS_SYSCFG, &val); |
|---|
| 158 | + if (interface == PHY_INTERFACE_MODE_TRGMII && |
|---|
| 159 | + val & SYSCFG_DRAM_TYPE_DDR2) { |
|---|
| 160 | + dev_err(eth->dev, |
|---|
| 161 | + "TRGMII mode with DDR2 memory is not supported!\n"); |
|---|
| 162 | + return -EOPNOTSUPP; |
|---|
| 163 | + } |
|---|
| 164 | + |
|---|
| 165 | + val = (interface == PHY_INTERFACE_MODE_TRGMII) ? |
|---|
| 166 | + ETHSYS_TRGMII_MT7621_DDR_PLL : 0; |
|---|
| 167 | + |
|---|
| 168 | + regmap_update_bits(eth->ethsys, ETHSYS_CLKCFG0, |
|---|
| 169 | + ETHSYS_TRGMII_MT7621_MASK, val); |
|---|
| 170 | + |
|---|
| 171 | + return 0; |
|---|
| 172 | +} |
|---|
| 173 | + |
|---|
| 174 | +static void mtk_gmac0_rgmii_adjust(struct mtk_eth *eth, |
|---|
| 175 | + phy_interface_t interface, int speed) |
|---|
| 142 | 176 | { |
|---|
| 143 | 177 | u32 val; |
|---|
| 144 | 178 | int ret; |
|---|
| 179 | + |
|---|
| 180 | + if (interface == PHY_INTERFACE_MODE_TRGMII) { |
|---|
| 181 | + mtk_w32(eth, TRGMII_MODE, INTF_MODE); |
|---|
| 182 | + val = 500000000; |
|---|
| 183 | + ret = clk_set_rate(eth->clks[MTK_CLK_TRGPLL], val); |
|---|
| 184 | + if (ret) |
|---|
| 185 | + dev_err(eth->dev, "Failed to set trgmii pll: %d\n", ret); |
|---|
| 186 | + return; |
|---|
| 187 | + } |
|---|
| 145 | 188 | |
|---|
| 146 | 189 | val = (speed == SPEED_1000) ? |
|---|
| 147 | 190 | INTF_MODE_RGMII_1000 : INTF_MODE_RGMII_10_100; |
|---|
| .. | .. |
|---|
| 165 | 208 | mtk_w32(eth, val, TRGMII_TCK_CTRL); |
|---|
| 166 | 209 | } |
|---|
| 167 | 210 | |
|---|
| 168 | | -static void mtk_gmac_sgmii_hw_setup(struct mtk_eth *eth, int mac_id) |
|---|
| 211 | +static void mtk_mac_config(struct phylink_config *config, unsigned int mode, |
|---|
| 212 | + const struct phylink_link_state *state) |
|---|
| 169 | 213 | { |
|---|
| 170 | | - u32 val; |
|---|
| 214 | + struct mtk_mac *mac = container_of(config, struct mtk_mac, |
|---|
| 215 | + phylink_config); |
|---|
| 216 | + struct mtk_eth *eth = mac->hw; |
|---|
| 217 | + u32 mcr_cur, mcr_new, sid, i; |
|---|
| 218 | + int val, ge_mode, err = 0; |
|---|
| 171 | 219 | |
|---|
| 172 | | - /* Setup the link timer and QPHY power up inside SGMIISYS */ |
|---|
| 173 | | - regmap_write(eth->sgmiisys, SGMSYS_PCS_LINK_TIMER, |
|---|
| 174 | | - SGMII_LINK_TIMER_DEFAULT); |
|---|
| 220 | + /* MT76x8 has no hardware settings between for the MAC */ |
|---|
| 221 | + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) && |
|---|
| 222 | + mac->interface != state->interface) { |
|---|
| 223 | + /* Setup soc pin functions */ |
|---|
| 224 | + switch (state->interface) { |
|---|
| 225 | + case PHY_INTERFACE_MODE_TRGMII: |
|---|
| 226 | + if (mac->id) |
|---|
| 227 | + goto err_phy; |
|---|
| 228 | + if (!MTK_HAS_CAPS(mac->hw->soc->caps, |
|---|
| 229 | + MTK_GMAC1_TRGMII)) |
|---|
| 230 | + goto err_phy; |
|---|
| 231 | + fallthrough; |
|---|
| 232 | + case PHY_INTERFACE_MODE_RGMII_TXID: |
|---|
| 233 | + case PHY_INTERFACE_MODE_RGMII_RXID: |
|---|
| 234 | + case PHY_INTERFACE_MODE_RGMII_ID: |
|---|
| 235 | + case PHY_INTERFACE_MODE_RGMII: |
|---|
| 236 | + case PHY_INTERFACE_MODE_MII: |
|---|
| 237 | + case PHY_INTERFACE_MODE_REVMII: |
|---|
| 238 | + case PHY_INTERFACE_MODE_RMII: |
|---|
| 239 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_RGMII)) { |
|---|
| 240 | + err = mtk_gmac_rgmii_path_setup(eth, mac->id); |
|---|
| 241 | + if (err) |
|---|
| 242 | + goto init_err; |
|---|
| 243 | + } |
|---|
| 244 | + break; |
|---|
| 245 | + case PHY_INTERFACE_MODE_1000BASEX: |
|---|
| 246 | + case PHY_INTERFACE_MODE_2500BASEX: |
|---|
| 247 | + case PHY_INTERFACE_MODE_SGMII: |
|---|
| 248 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) { |
|---|
| 249 | + err = mtk_gmac_sgmii_path_setup(eth, mac->id); |
|---|
| 250 | + if (err) |
|---|
| 251 | + goto init_err; |
|---|
| 252 | + } |
|---|
| 253 | + break; |
|---|
| 254 | + case PHY_INTERFACE_MODE_GMII: |
|---|
| 255 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_GEPHY)) { |
|---|
| 256 | + err = mtk_gmac_gephy_path_setup(eth, mac->id); |
|---|
| 257 | + if (err) |
|---|
| 258 | + goto init_err; |
|---|
| 259 | + } |
|---|
| 260 | + break; |
|---|
| 261 | + default: |
|---|
| 262 | + goto err_phy; |
|---|
| 263 | + } |
|---|
| 175 | 264 | |
|---|
| 176 | | - regmap_read(eth->sgmiisys, SGMSYS_SGMII_MODE, &val); |
|---|
| 177 | | - val |= SGMII_REMOTE_FAULT_DIS; |
|---|
| 178 | | - regmap_write(eth->sgmiisys, SGMSYS_SGMII_MODE, val); |
|---|
| 265 | + /* Setup clock for 1st gmac */ |
|---|
| 266 | + if (!mac->id && state->interface != PHY_INTERFACE_MODE_SGMII && |
|---|
| 267 | + !phy_interface_mode_is_8023z(state->interface) && |
|---|
| 268 | + MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII)) { |
|---|
| 269 | + if (MTK_HAS_CAPS(mac->hw->soc->caps, |
|---|
| 270 | + MTK_TRGMII_MT7621_CLK)) { |
|---|
| 271 | + if (mt7621_gmac0_rgmii_adjust(mac->hw, |
|---|
| 272 | + state->interface)) |
|---|
| 273 | + goto err_phy; |
|---|
| 274 | + } else { |
|---|
| 275 | + mtk_gmac0_rgmii_adjust(mac->hw, |
|---|
| 276 | + state->interface, |
|---|
| 277 | + state->speed); |
|---|
| 179 | 278 | |
|---|
| 180 | | - regmap_read(eth->sgmiisys, SGMSYS_PCS_CONTROL_1, &val); |
|---|
| 181 | | - val |= SGMII_AN_RESTART; |
|---|
| 182 | | - regmap_write(eth->sgmiisys, SGMSYS_PCS_CONTROL_1, val); |
|---|
| 279 | + /* mt7623_pad_clk_setup */ |
|---|
| 280 | + for (i = 0 ; i < NUM_TRGMII_CTRL; i++) |
|---|
| 281 | + mtk_w32(mac->hw, |
|---|
| 282 | + TD_DM_DRVP(8) | TD_DM_DRVN(8), |
|---|
| 283 | + TRGMII_TD_ODT(i)); |
|---|
| 183 | 284 | |
|---|
| 184 | | - regmap_read(eth->sgmiisys, SGMSYS_QPHY_PWR_STATE_CTRL, &val); |
|---|
| 185 | | - val &= ~SGMII_PHYA_PWD; |
|---|
| 186 | | - regmap_write(eth->sgmiisys, SGMSYS_QPHY_PWR_STATE_CTRL, val); |
|---|
| 285 | + /* Assert/release MT7623 RXC reset */ |
|---|
| 286 | + mtk_m32(mac->hw, 0, RXC_RST | RXC_DQSISEL, |
|---|
| 287 | + TRGMII_RCK_CTRL); |
|---|
| 288 | + mtk_m32(mac->hw, RXC_RST, 0, TRGMII_RCK_CTRL); |
|---|
| 289 | + } |
|---|
| 290 | + } |
|---|
| 187 | 291 | |
|---|
| 188 | | - /* Determine MUX for which GMAC uses the SGMII interface */ |
|---|
| 189 | | - if (MTK_HAS_CAPS(eth->soc->caps, MTK_DUAL_GMAC_SHARED_SGMII)) { |
|---|
| 292 | + ge_mode = 0; |
|---|
| 293 | + switch (state->interface) { |
|---|
| 294 | + case PHY_INTERFACE_MODE_MII: |
|---|
| 295 | + case PHY_INTERFACE_MODE_GMII: |
|---|
| 296 | + ge_mode = 1; |
|---|
| 297 | + break; |
|---|
| 298 | + case PHY_INTERFACE_MODE_REVMII: |
|---|
| 299 | + ge_mode = 2; |
|---|
| 300 | + break; |
|---|
| 301 | + case PHY_INTERFACE_MODE_RMII: |
|---|
| 302 | + if (mac->id) |
|---|
| 303 | + goto err_phy; |
|---|
| 304 | + ge_mode = 3; |
|---|
| 305 | + break; |
|---|
| 306 | + default: |
|---|
| 307 | + break; |
|---|
| 308 | + } |
|---|
| 309 | + |
|---|
| 310 | + /* put the gmac into the right mode */ |
|---|
| 190 | 311 | regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); |
|---|
| 191 | | - val &= ~SYSCFG0_SGMII_MASK; |
|---|
| 192 | | - val |= !mac_id ? SYSCFG0_SGMII_GMAC1 : SYSCFG0_SGMII_GMAC2; |
|---|
| 312 | + val &= ~SYSCFG0_GE_MODE(SYSCFG0_GE_MASK, mac->id); |
|---|
| 313 | + val |= SYSCFG0_GE_MODE(ge_mode, mac->id); |
|---|
| 193 | 314 | regmap_write(eth->ethsys, ETHSYS_SYSCFG0, val); |
|---|
| 194 | 315 | |
|---|
| 195 | | - dev_info(eth->dev, "setup shared sgmii for gmac=%d\n", |
|---|
| 196 | | - mac_id); |
|---|
| 316 | + mac->interface = state->interface; |
|---|
| 197 | 317 | } |
|---|
| 198 | 318 | |
|---|
| 199 | | - /* Setup the GMAC1 going through SGMII path when SoC also support |
|---|
| 200 | | - * ESW on GMAC1 |
|---|
| 201 | | - */ |
|---|
| 202 | | - if (MTK_HAS_CAPS(eth->soc->caps, MTK_GMAC1_ESW | MTK_GMAC1_SGMII) && |
|---|
| 203 | | - !mac_id) { |
|---|
| 204 | | - mtk_w32(eth, 0, MTK_MAC_MISC); |
|---|
| 205 | | - dev_info(eth->dev, "setup gmac1 going through sgmii"); |
|---|
| 319 | + /* SGMII */ |
|---|
| 320 | + if (state->interface == PHY_INTERFACE_MODE_SGMII || |
|---|
| 321 | + phy_interface_mode_is_8023z(state->interface)) { |
|---|
| 322 | + /* The path GMAC to SGMII will be enabled once the SGMIISYS is |
|---|
| 323 | + * being setup done. |
|---|
| 324 | + */ |
|---|
| 325 | + regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); |
|---|
| 326 | + |
|---|
| 327 | + regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0, |
|---|
| 328 | + SYSCFG0_SGMII_MASK, |
|---|
| 329 | + ~(u32)SYSCFG0_SGMII_MASK); |
|---|
| 330 | + |
|---|
| 331 | + /* Decide how GMAC and SGMIISYS be mapped */ |
|---|
| 332 | + sid = (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_SGMII)) ? |
|---|
| 333 | + 0 : mac->id; |
|---|
| 334 | + |
|---|
| 335 | + /* Setup SGMIISYS with the determined property */ |
|---|
| 336 | + if (state->interface != PHY_INTERFACE_MODE_SGMII) |
|---|
| 337 | + err = mtk_sgmii_setup_mode_force(eth->sgmii, sid, |
|---|
| 338 | + state); |
|---|
| 339 | + else if (phylink_autoneg_inband(mode)) |
|---|
| 340 | + err = mtk_sgmii_setup_mode_an(eth->sgmii, sid); |
|---|
| 341 | + |
|---|
| 342 | + if (err) |
|---|
| 343 | + goto init_err; |
|---|
| 344 | + |
|---|
| 345 | + regmap_update_bits(eth->ethsys, ETHSYS_SYSCFG0, |
|---|
| 346 | + SYSCFG0_SGMII_MASK, val); |
|---|
| 347 | + } else if (phylink_autoneg_inband(mode)) { |
|---|
| 348 | + dev_err(eth->dev, |
|---|
| 349 | + "In-band mode not supported in non SGMII mode!\n"); |
|---|
| 350 | + return; |
|---|
| 206 | 351 | } |
|---|
| 352 | + |
|---|
| 353 | + /* Setup gmac */ |
|---|
| 354 | + mcr_cur = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id)); |
|---|
| 355 | + mcr_new = mcr_cur; |
|---|
| 356 | + mcr_new |= MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG | MAC_MCR_FORCE_MODE | |
|---|
| 357 | + MAC_MCR_BACKOFF_EN | MAC_MCR_BACKPR_EN | MAC_MCR_FORCE_LINK | |
|---|
| 358 | + MAC_MCR_RX_FIFO_CLR_DIS; |
|---|
| 359 | + |
|---|
| 360 | + /* Only update control register when needed! */ |
|---|
| 361 | + if (mcr_new != mcr_cur) |
|---|
| 362 | + mtk_w32(mac->hw, mcr_new, MTK_MAC_MCR(mac->id)); |
|---|
| 363 | + |
|---|
| 364 | + return; |
|---|
| 365 | + |
|---|
| 366 | +err_phy: |
|---|
| 367 | + dev_err(eth->dev, "%s: GMAC%d mode %s not supported!\n", __func__, |
|---|
| 368 | + mac->id, phy_modes(state->interface)); |
|---|
| 369 | + return; |
|---|
| 370 | + |
|---|
| 371 | +init_err: |
|---|
| 372 | + dev_err(eth->dev, "%s: GMAC%d mode %s err: %d!\n", __func__, |
|---|
| 373 | + mac->id, phy_modes(state->interface), err); |
|---|
| 207 | 374 | } |
|---|
| 208 | 375 | |
|---|
| 209 | | -static void mtk_phy_link_adjust(struct net_device *dev) |
|---|
| 376 | +static void mtk_mac_pcs_get_state(struct phylink_config *config, |
|---|
| 377 | + struct phylink_link_state *state) |
|---|
| 210 | 378 | { |
|---|
| 211 | | - struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 212 | | - u16 lcl_adv = 0, rmt_adv = 0; |
|---|
| 213 | | - u8 flowctrl; |
|---|
| 214 | | - u32 mcr = MAC_MCR_MAX_RX_1536 | MAC_MCR_IPG_CFG | |
|---|
| 215 | | - MAC_MCR_FORCE_MODE | MAC_MCR_TX_EN | |
|---|
| 216 | | - MAC_MCR_RX_EN | MAC_MCR_BACKOFF_EN | |
|---|
| 217 | | - MAC_MCR_BACKPR_EN; |
|---|
| 379 | + struct mtk_mac *mac = container_of(config, struct mtk_mac, |
|---|
| 380 | + phylink_config); |
|---|
| 381 | + u32 pmsr = mtk_r32(mac->hw, MTK_MAC_MSR(mac->id)); |
|---|
| 218 | 382 | |
|---|
| 219 | | - if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) |
|---|
| 220 | | - return; |
|---|
| 383 | + state->link = (pmsr & MAC_MSR_LINK); |
|---|
| 384 | + state->duplex = (pmsr & MAC_MSR_DPX) >> 1; |
|---|
| 221 | 385 | |
|---|
| 222 | | - switch (dev->phydev->speed) { |
|---|
| 386 | + switch (pmsr & (MAC_MSR_SPEED_1000 | MAC_MSR_SPEED_100)) { |
|---|
| 387 | + case 0: |
|---|
| 388 | + state->speed = SPEED_10; |
|---|
| 389 | + break; |
|---|
| 390 | + case MAC_MSR_SPEED_100: |
|---|
| 391 | + state->speed = SPEED_100; |
|---|
| 392 | + break; |
|---|
| 393 | + case MAC_MSR_SPEED_1000: |
|---|
| 394 | + state->speed = SPEED_1000; |
|---|
| 395 | + break; |
|---|
| 396 | + default: |
|---|
| 397 | + state->speed = SPEED_UNKNOWN; |
|---|
| 398 | + break; |
|---|
| 399 | + } |
|---|
| 400 | + |
|---|
| 401 | + state->pause &= (MLO_PAUSE_RX | MLO_PAUSE_TX); |
|---|
| 402 | + if (pmsr & MAC_MSR_RX_FC) |
|---|
| 403 | + state->pause |= MLO_PAUSE_RX; |
|---|
| 404 | + if (pmsr & MAC_MSR_TX_FC) |
|---|
| 405 | + state->pause |= MLO_PAUSE_TX; |
|---|
| 406 | +} |
|---|
| 407 | + |
|---|
| 408 | +static void mtk_mac_an_restart(struct phylink_config *config) |
|---|
| 409 | +{ |
|---|
| 410 | + struct mtk_mac *mac = container_of(config, struct mtk_mac, |
|---|
| 411 | + phylink_config); |
|---|
| 412 | + |
|---|
| 413 | + mtk_sgmii_restart_an(mac->hw, mac->id); |
|---|
| 414 | +} |
|---|
| 415 | + |
|---|
| 416 | +static void mtk_mac_link_down(struct phylink_config *config, unsigned int mode, |
|---|
| 417 | + phy_interface_t interface) |
|---|
| 418 | +{ |
|---|
| 419 | + struct mtk_mac *mac = container_of(config, struct mtk_mac, |
|---|
| 420 | + phylink_config); |
|---|
| 421 | + u32 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id)); |
|---|
| 422 | + |
|---|
| 423 | + mcr &= ~(MAC_MCR_TX_EN | MAC_MCR_RX_EN); |
|---|
| 424 | + mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id)); |
|---|
| 425 | +} |
|---|
| 426 | + |
|---|
| 427 | +static void mtk_mac_link_up(struct phylink_config *config, |
|---|
| 428 | + struct phy_device *phy, |
|---|
| 429 | + unsigned int mode, phy_interface_t interface, |
|---|
| 430 | + int speed, int duplex, bool tx_pause, bool rx_pause) |
|---|
| 431 | +{ |
|---|
| 432 | + struct mtk_mac *mac = container_of(config, struct mtk_mac, |
|---|
| 433 | + phylink_config); |
|---|
| 434 | + u32 mcr = mtk_r32(mac->hw, MTK_MAC_MCR(mac->id)); |
|---|
| 435 | + |
|---|
| 436 | + mcr &= ~(MAC_MCR_SPEED_100 | MAC_MCR_SPEED_1000 | |
|---|
| 437 | + MAC_MCR_FORCE_DPX | MAC_MCR_FORCE_TX_FC | |
|---|
| 438 | + MAC_MCR_FORCE_RX_FC); |
|---|
| 439 | + |
|---|
| 440 | + /* Configure speed */ |
|---|
| 441 | + switch (speed) { |
|---|
| 442 | + case SPEED_2500: |
|---|
| 223 | 443 | case SPEED_1000: |
|---|
| 224 | 444 | mcr |= MAC_MCR_SPEED_1000; |
|---|
| 225 | 445 | break; |
|---|
| 226 | 446 | case SPEED_100: |
|---|
| 227 | 447 | mcr |= MAC_MCR_SPEED_100; |
|---|
| 228 | 448 | break; |
|---|
| 229 | | - }; |
|---|
| 449 | + } |
|---|
| 230 | 450 | |
|---|
| 231 | | - if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GMAC1_TRGMII) && |
|---|
| 232 | | - !mac->id && !mac->trgmii) |
|---|
| 233 | | - mtk_gmac0_rgmii_adjust(mac->hw, dev->phydev->speed); |
|---|
| 234 | | - |
|---|
| 235 | | - if (dev->phydev->link) |
|---|
| 236 | | - mcr |= MAC_MCR_FORCE_LINK; |
|---|
| 237 | | - |
|---|
| 238 | | - if (dev->phydev->duplex) { |
|---|
| 451 | + /* Configure duplex */ |
|---|
| 452 | + if (duplex == DUPLEX_FULL) |
|---|
| 239 | 453 | mcr |= MAC_MCR_FORCE_DPX; |
|---|
| 240 | 454 | |
|---|
| 241 | | - if (dev->phydev->pause) |
|---|
| 242 | | - rmt_adv = LPA_PAUSE_CAP; |
|---|
| 243 | | - if (dev->phydev->asym_pause) |
|---|
| 244 | | - rmt_adv |= LPA_PAUSE_ASYM; |
|---|
| 455 | + /* Configure pause modes - phylink will avoid these for half duplex */ |
|---|
| 456 | + if (tx_pause) |
|---|
| 457 | + mcr |= MAC_MCR_FORCE_TX_FC; |
|---|
| 458 | + if (rx_pause) |
|---|
| 459 | + mcr |= MAC_MCR_FORCE_RX_FC; |
|---|
| 245 | 460 | |
|---|
| 246 | | - if (dev->phydev->advertising & ADVERTISED_Pause) |
|---|
| 247 | | - lcl_adv |= ADVERTISE_PAUSE_CAP; |
|---|
| 248 | | - if (dev->phydev->advertising & ADVERTISED_Asym_Pause) |
|---|
| 249 | | - lcl_adv |= ADVERTISE_PAUSE_ASYM; |
|---|
| 250 | | - |
|---|
| 251 | | - flowctrl = mii_resolve_flowctrl_fdx(lcl_adv, rmt_adv); |
|---|
| 252 | | - |
|---|
| 253 | | - if (flowctrl & FLOW_CTRL_TX) |
|---|
| 254 | | - mcr |= MAC_MCR_FORCE_TX_FC; |
|---|
| 255 | | - if (flowctrl & FLOW_CTRL_RX) |
|---|
| 256 | | - mcr |= MAC_MCR_FORCE_RX_FC; |
|---|
| 257 | | - |
|---|
| 258 | | - netif_dbg(mac->hw, link, dev, "rx pause %s, tx pause %s\n", |
|---|
| 259 | | - flowctrl & FLOW_CTRL_RX ? "enabled" : "disabled", |
|---|
| 260 | | - flowctrl & FLOW_CTRL_TX ? "enabled" : "disabled"); |
|---|
| 261 | | - } |
|---|
| 262 | | - |
|---|
| 461 | + mcr |= MAC_MCR_TX_EN | MAC_MCR_RX_EN; |
|---|
| 263 | 462 | mtk_w32(mac->hw, mcr, MTK_MAC_MCR(mac->id)); |
|---|
| 264 | | - |
|---|
| 265 | | - if (dev->phydev->link) |
|---|
| 266 | | - netif_carrier_on(dev); |
|---|
| 267 | | - else |
|---|
| 268 | | - netif_carrier_off(dev); |
|---|
| 269 | | - |
|---|
| 270 | | - if (!of_phy_is_fixed_link(mac->of_node)) |
|---|
| 271 | | - phy_print_status(dev->phydev); |
|---|
| 272 | 463 | } |
|---|
| 273 | 464 | |
|---|
| 274 | | -static int mtk_phy_connect_node(struct mtk_eth *eth, struct mtk_mac *mac, |
|---|
| 275 | | - struct device_node *phy_node) |
|---|
| 465 | +static void mtk_validate(struct phylink_config *config, |
|---|
| 466 | + unsigned long *supported, |
|---|
| 467 | + struct phylink_link_state *state) |
|---|
| 276 | 468 | { |
|---|
| 277 | | - struct phy_device *phydev; |
|---|
| 278 | | - int phy_mode; |
|---|
| 469 | + struct mtk_mac *mac = container_of(config, struct mtk_mac, |
|---|
| 470 | + phylink_config); |
|---|
| 471 | + __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, }; |
|---|
| 279 | 472 | |
|---|
| 280 | | - phy_mode = of_get_phy_mode(phy_node); |
|---|
| 281 | | - if (phy_mode < 0) { |
|---|
| 282 | | - dev_err(eth->dev, "incorrect phy-mode %d\n", phy_mode); |
|---|
| 283 | | - return -EINVAL; |
|---|
| 473 | + if (state->interface != PHY_INTERFACE_MODE_NA && |
|---|
| 474 | + state->interface != PHY_INTERFACE_MODE_MII && |
|---|
| 475 | + state->interface != PHY_INTERFACE_MODE_GMII && |
|---|
| 476 | + !(MTK_HAS_CAPS(mac->hw->soc->caps, MTK_RGMII) && |
|---|
| 477 | + phy_interface_mode_is_rgmii(state->interface)) && |
|---|
| 478 | + !(MTK_HAS_CAPS(mac->hw->soc->caps, MTK_TRGMII) && |
|---|
| 479 | + !mac->id && state->interface == PHY_INTERFACE_MODE_TRGMII) && |
|---|
| 480 | + !(MTK_HAS_CAPS(mac->hw->soc->caps, MTK_SGMII) && |
|---|
| 481 | + (state->interface == PHY_INTERFACE_MODE_SGMII || |
|---|
| 482 | + phy_interface_mode_is_8023z(state->interface)))) { |
|---|
| 483 | + linkmode_zero(supported); |
|---|
| 484 | + return; |
|---|
| 284 | 485 | } |
|---|
| 285 | 486 | |
|---|
| 286 | | - phydev = of_phy_connect(eth->netdev[mac->id], phy_node, |
|---|
| 287 | | - mtk_phy_link_adjust, 0, phy_mode); |
|---|
| 288 | | - if (!phydev) { |
|---|
| 289 | | - dev_err(eth->dev, "could not connect to PHY\n"); |
|---|
| 290 | | - return -ENODEV; |
|---|
| 291 | | - } |
|---|
| 487 | + phylink_set_port_modes(mask); |
|---|
| 488 | + phylink_set(mask, Autoneg); |
|---|
| 292 | 489 | |
|---|
| 293 | | - dev_info(eth->dev, |
|---|
| 294 | | - "connected mac %d to PHY at %s [uid=%08x, driver=%s]\n", |
|---|
| 295 | | - mac->id, phydev_name(phydev), phydev->phy_id, |
|---|
| 296 | | - phydev->drv->name); |
|---|
| 297 | | - |
|---|
| 298 | | - return 0; |
|---|
| 299 | | -} |
|---|
| 300 | | - |
|---|
| 301 | | -static int mtk_phy_connect(struct net_device *dev) |
|---|
| 302 | | -{ |
|---|
| 303 | | - struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 304 | | - struct mtk_eth *eth; |
|---|
| 305 | | - struct device_node *np; |
|---|
| 306 | | - u32 val; |
|---|
| 307 | | - |
|---|
| 308 | | - eth = mac->hw; |
|---|
| 309 | | - np = of_parse_phandle(mac->of_node, "phy-handle", 0); |
|---|
| 310 | | - if (!np && of_phy_is_fixed_link(mac->of_node)) |
|---|
| 311 | | - if (!of_phy_register_fixed_link(mac->of_node)) |
|---|
| 312 | | - np = of_node_get(mac->of_node); |
|---|
| 313 | | - if (!np) |
|---|
| 314 | | - return -ENODEV; |
|---|
| 315 | | - |
|---|
| 316 | | - mac->ge_mode = 0; |
|---|
| 317 | | - switch (of_get_phy_mode(np)) { |
|---|
| 490 | + switch (state->interface) { |
|---|
| 318 | 491 | case PHY_INTERFACE_MODE_TRGMII: |
|---|
| 319 | | - mac->trgmii = true; |
|---|
| 320 | | - case PHY_INTERFACE_MODE_RGMII_TXID: |
|---|
| 321 | | - case PHY_INTERFACE_MODE_RGMII_RXID: |
|---|
| 322 | | - case PHY_INTERFACE_MODE_RGMII_ID: |
|---|
| 492 | + phylink_set(mask, 1000baseT_Full); |
|---|
| 493 | + break; |
|---|
| 494 | + case PHY_INTERFACE_MODE_1000BASEX: |
|---|
| 495 | + case PHY_INTERFACE_MODE_2500BASEX: |
|---|
| 496 | + phylink_set(mask, 1000baseX_Full); |
|---|
| 497 | + phylink_set(mask, 2500baseX_Full); |
|---|
| 498 | + break; |
|---|
| 499 | + case PHY_INTERFACE_MODE_GMII: |
|---|
| 323 | 500 | case PHY_INTERFACE_MODE_RGMII: |
|---|
| 324 | | - break; |
|---|
| 501 | + case PHY_INTERFACE_MODE_RGMII_ID: |
|---|
| 502 | + case PHY_INTERFACE_MODE_RGMII_RXID: |
|---|
| 503 | + case PHY_INTERFACE_MODE_RGMII_TXID: |
|---|
| 504 | + phylink_set(mask, 1000baseT_Half); |
|---|
| 505 | + fallthrough; |
|---|
| 325 | 506 | case PHY_INTERFACE_MODE_SGMII: |
|---|
| 326 | | - if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) |
|---|
| 327 | | - mtk_gmac_sgmii_hw_setup(eth, mac->id); |
|---|
| 328 | | - break; |
|---|
| 507 | + phylink_set(mask, 1000baseT_Full); |
|---|
| 508 | + phylink_set(mask, 1000baseX_Full); |
|---|
| 509 | + fallthrough; |
|---|
| 329 | 510 | case PHY_INTERFACE_MODE_MII: |
|---|
| 330 | | - mac->ge_mode = 1; |
|---|
| 331 | | - break; |
|---|
| 332 | | - case PHY_INTERFACE_MODE_REVMII: |
|---|
| 333 | | - mac->ge_mode = 2; |
|---|
| 334 | | - break; |
|---|
| 335 | 511 | case PHY_INTERFACE_MODE_RMII: |
|---|
| 336 | | - if (!mac->id) |
|---|
| 337 | | - goto err_phy; |
|---|
| 338 | | - mac->ge_mode = 3; |
|---|
| 339 | | - break; |
|---|
| 512 | + case PHY_INTERFACE_MODE_REVMII: |
|---|
| 513 | + case PHY_INTERFACE_MODE_NA: |
|---|
| 340 | 514 | default: |
|---|
| 341 | | - goto err_phy; |
|---|
| 515 | + phylink_set(mask, 10baseT_Half); |
|---|
| 516 | + phylink_set(mask, 10baseT_Full); |
|---|
| 517 | + phylink_set(mask, 100baseT_Half); |
|---|
| 518 | + phylink_set(mask, 100baseT_Full); |
|---|
| 519 | + break; |
|---|
| 342 | 520 | } |
|---|
| 343 | 521 | |
|---|
| 344 | | - /* put the gmac into the right mode */ |
|---|
| 345 | | - regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); |
|---|
| 346 | | - val &= ~SYSCFG0_GE_MODE(SYSCFG0_GE_MASK, mac->id); |
|---|
| 347 | | - val |= SYSCFG0_GE_MODE(mac->ge_mode, mac->id); |
|---|
| 348 | | - regmap_write(eth->ethsys, ETHSYS_SYSCFG0, val); |
|---|
| 522 | + if (state->interface == PHY_INTERFACE_MODE_NA) { |
|---|
| 523 | + if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_SGMII)) { |
|---|
| 524 | + phylink_set(mask, 1000baseT_Full); |
|---|
| 525 | + phylink_set(mask, 1000baseX_Full); |
|---|
| 526 | + phylink_set(mask, 2500baseX_Full); |
|---|
| 527 | + } |
|---|
| 528 | + if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_RGMII)) { |
|---|
| 529 | + phylink_set(mask, 1000baseT_Full); |
|---|
| 530 | + phylink_set(mask, 1000baseT_Half); |
|---|
| 531 | + phylink_set(mask, 1000baseX_Full); |
|---|
| 532 | + } |
|---|
| 533 | + if (MTK_HAS_CAPS(mac->hw->soc->caps, MTK_GEPHY)) { |
|---|
| 534 | + phylink_set(mask, 1000baseT_Full); |
|---|
| 535 | + phylink_set(mask, 1000baseT_Half); |
|---|
| 536 | + } |
|---|
| 537 | + } |
|---|
| 349 | 538 | |
|---|
| 350 | | - /* couple phydev to net_device */ |
|---|
| 351 | | - if (mtk_phy_connect_node(eth, mac, np)) |
|---|
| 352 | | - goto err_phy; |
|---|
| 539 | + phylink_set(mask, Pause); |
|---|
| 540 | + phylink_set(mask, Asym_Pause); |
|---|
| 353 | 541 | |
|---|
| 354 | | - dev->phydev->autoneg = AUTONEG_ENABLE; |
|---|
| 355 | | - dev->phydev->speed = 0; |
|---|
| 356 | | - dev->phydev->duplex = 0; |
|---|
| 542 | + linkmode_and(supported, supported, mask); |
|---|
| 543 | + linkmode_and(state->advertising, state->advertising, mask); |
|---|
| 357 | 544 | |
|---|
| 358 | | - if (of_phy_is_fixed_link(mac->of_node)) |
|---|
| 359 | | - dev->phydev->supported |= |
|---|
| 360 | | - SUPPORTED_Pause | SUPPORTED_Asym_Pause; |
|---|
| 361 | | - |
|---|
| 362 | | - dev->phydev->supported &= PHY_GBIT_FEATURES | SUPPORTED_Pause | |
|---|
| 363 | | - SUPPORTED_Asym_Pause; |
|---|
| 364 | | - dev->phydev->advertising = dev->phydev->supported | |
|---|
| 365 | | - ADVERTISED_Autoneg; |
|---|
| 366 | | - phy_start_aneg(dev->phydev); |
|---|
| 367 | | - |
|---|
| 368 | | - of_node_put(np); |
|---|
| 369 | | - |
|---|
| 370 | | - return 0; |
|---|
| 371 | | - |
|---|
| 372 | | -err_phy: |
|---|
| 373 | | - if (of_phy_is_fixed_link(mac->of_node)) |
|---|
| 374 | | - of_phy_deregister_fixed_link(mac->of_node); |
|---|
| 375 | | - of_node_put(np); |
|---|
| 376 | | - dev_err(eth->dev, "%s: invalid phy\n", __func__); |
|---|
| 377 | | - return -EINVAL; |
|---|
| 545 | + /* We can only operate at 2500BaseX or 1000BaseX. If requested |
|---|
| 546 | + * to advertise both, only report advertising at 2500BaseX. |
|---|
| 547 | + */ |
|---|
| 548 | + phylink_helper_basex_speed(state); |
|---|
| 378 | 549 | } |
|---|
| 550 | + |
|---|
| 551 | +static const struct phylink_mac_ops mtk_phylink_ops = { |
|---|
| 552 | + .validate = mtk_validate, |
|---|
| 553 | + .mac_pcs_get_state = mtk_mac_pcs_get_state, |
|---|
| 554 | + .mac_an_restart = mtk_mac_an_restart, |
|---|
| 555 | + .mac_config = mtk_mac_config, |
|---|
| 556 | + .mac_link_down = mtk_mac_link_down, |
|---|
| 557 | + .mac_link_up = mtk_mac_link_up, |
|---|
| 558 | +}; |
|---|
| 379 | 559 | |
|---|
| 380 | 560 | static int mtk_mdio_init(struct mtk_eth *eth) |
|---|
| 381 | 561 | { |
|---|
| .. | .. |
|---|
| 405 | 585 | eth->mii_bus->priv = eth; |
|---|
| 406 | 586 | eth->mii_bus->parent = eth->dev; |
|---|
| 407 | 587 | |
|---|
| 408 | | - snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name); |
|---|
| 588 | + snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np); |
|---|
| 409 | 589 | ret = of_mdiobus_register(eth->mii_bus, mii_np); |
|---|
| 410 | 590 | |
|---|
| 411 | 591 | err_put_node: |
|---|
| .. | .. |
|---|
| 427 | 607 | u32 val; |
|---|
| 428 | 608 | |
|---|
| 429 | 609 | spin_lock_irqsave(ð->tx_irq_lock, flags); |
|---|
| 430 | | - val = mtk_r32(eth, MTK_QDMA_INT_MASK); |
|---|
| 431 | | - mtk_w32(eth, val & ~mask, MTK_QDMA_INT_MASK); |
|---|
| 610 | + val = mtk_r32(eth, eth->tx_int_mask_reg); |
|---|
| 611 | + mtk_w32(eth, val & ~mask, eth->tx_int_mask_reg); |
|---|
| 432 | 612 | spin_unlock_irqrestore(ð->tx_irq_lock, flags); |
|---|
| 433 | 613 | } |
|---|
| 434 | 614 | |
|---|
| .. | .. |
|---|
| 438 | 618 | u32 val; |
|---|
| 439 | 619 | |
|---|
| 440 | 620 | spin_lock_irqsave(ð->tx_irq_lock, flags); |
|---|
| 441 | | - val = mtk_r32(eth, MTK_QDMA_INT_MASK); |
|---|
| 442 | | - mtk_w32(eth, val | mask, MTK_QDMA_INT_MASK); |
|---|
| 621 | + val = mtk_r32(eth, eth->tx_int_mask_reg); |
|---|
| 622 | + mtk_w32(eth, val | mask, eth->tx_int_mask_reg); |
|---|
| 443 | 623 | spin_unlock_irqrestore(ð->tx_irq_lock, flags); |
|---|
| 444 | 624 | } |
|---|
| 445 | 625 | |
|---|
| .. | .. |
|---|
| 469 | 649 | { |
|---|
| 470 | 650 | int ret = eth_mac_addr(dev, p); |
|---|
| 471 | 651 | struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 652 | + struct mtk_eth *eth = mac->hw; |
|---|
| 472 | 653 | const char *macaddr = dev->dev_addr; |
|---|
| 473 | 654 | |
|---|
| 474 | 655 | if (ret) |
|---|
| .. | .. |
|---|
| 478 | 659 | return -EBUSY; |
|---|
| 479 | 660 | |
|---|
| 480 | 661 | spin_lock_bh(&mac->hw->page_lock); |
|---|
| 481 | | - mtk_w32(mac->hw, (macaddr[0] << 8) | macaddr[1], |
|---|
| 482 | | - MTK_GDMA_MAC_ADRH(mac->id)); |
|---|
| 483 | | - mtk_w32(mac->hw, (macaddr[2] << 24) | (macaddr[3] << 16) | |
|---|
| 484 | | - (macaddr[4] << 8) | macaddr[5], |
|---|
| 485 | | - MTK_GDMA_MAC_ADRL(mac->id)); |
|---|
| 662 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { |
|---|
| 663 | + mtk_w32(mac->hw, (macaddr[0] << 8) | macaddr[1], |
|---|
| 664 | + MT7628_SDM_MAC_ADRH); |
|---|
| 665 | + mtk_w32(mac->hw, (macaddr[2] << 24) | (macaddr[3] << 16) | |
|---|
| 666 | + (macaddr[4] << 8) | macaddr[5], |
|---|
| 667 | + MT7628_SDM_MAC_ADRL); |
|---|
| 668 | + } else { |
|---|
| 669 | + mtk_w32(mac->hw, (macaddr[0] << 8) | macaddr[1], |
|---|
| 670 | + MTK_GDMA_MAC_ADRH(mac->id)); |
|---|
| 671 | + mtk_w32(mac->hw, (macaddr[2] << 24) | (macaddr[3] << 16) | |
|---|
| 672 | + (macaddr[4] << 8) | macaddr[5], |
|---|
| 673 | + MTK_GDMA_MAC_ADRL(mac->id)); |
|---|
| 674 | + } |
|---|
| 486 | 675 | spin_unlock_bh(&mac->hw->page_lock); |
|---|
| 487 | 676 | |
|---|
| 488 | 677 | return 0; |
|---|
| .. | .. |
|---|
| 491 | 680 | void mtk_stats_update_mac(struct mtk_mac *mac) |
|---|
| 492 | 681 | { |
|---|
| 493 | 682 | struct mtk_hw_stats *hw_stats = mac->hw_stats; |
|---|
| 494 | | - unsigned int base = MTK_GDM1_TX_GBCNT; |
|---|
| 495 | | - u64 stats; |
|---|
| 496 | | - |
|---|
| 497 | | - base += hw_stats->reg_offset; |
|---|
| 683 | + struct mtk_eth *eth = mac->hw; |
|---|
| 498 | 684 | |
|---|
| 499 | 685 | u64_stats_update_begin(&hw_stats->syncp); |
|---|
| 500 | 686 | |
|---|
| 501 | | - hw_stats->rx_bytes += mtk_r32(mac->hw, base); |
|---|
| 502 | | - stats = mtk_r32(mac->hw, base + 0x04); |
|---|
| 503 | | - if (stats) |
|---|
| 504 | | - hw_stats->rx_bytes += (stats << 32); |
|---|
| 505 | | - hw_stats->rx_packets += mtk_r32(mac->hw, base + 0x08); |
|---|
| 506 | | - hw_stats->rx_overflow += mtk_r32(mac->hw, base + 0x10); |
|---|
| 507 | | - hw_stats->rx_fcs_errors += mtk_r32(mac->hw, base + 0x14); |
|---|
| 508 | | - hw_stats->rx_short_errors += mtk_r32(mac->hw, base + 0x18); |
|---|
| 509 | | - hw_stats->rx_long_errors += mtk_r32(mac->hw, base + 0x1c); |
|---|
| 510 | | - hw_stats->rx_checksum_errors += mtk_r32(mac->hw, base + 0x20); |
|---|
| 511 | | - hw_stats->rx_flow_control_packets += |
|---|
| 512 | | - mtk_r32(mac->hw, base + 0x24); |
|---|
| 513 | | - hw_stats->tx_skip += mtk_r32(mac->hw, base + 0x28); |
|---|
| 514 | | - hw_stats->tx_collisions += mtk_r32(mac->hw, base + 0x2c); |
|---|
| 515 | | - hw_stats->tx_bytes += mtk_r32(mac->hw, base + 0x30); |
|---|
| 516 | | - stats = mtk_r32(mac->hw, base + 0x34); |
|---|
| 517 | | - if (stats) |
|---|
| 518 | | - hw_stats->tx_bytes += (stats << 32); |
|---|
| 519 | | - hw_stats->tx_packets += mtk_r32(mac->hw, base + 0x38); |
|---|
| 687 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { |
|---|
| 688 | + hw_stats->tx_packets += mtk_r32(mac->hw, MT7628_SDM_TPCNT); |
|---|
| 689 | + hw_stats->tx_bytes += mtk_r32(mac->hw, MT7628_SDM_TBCNT); |
|---|
| 690 | + hw_stats->rx_packets += mtk_r32(mac->hw, MT7628_SDM_RPCNT); |
|---|
| 691 | + hw_stats->rx_bytes += mtk_r32(mac->hw, MT7628_SDM_RBCNT); |
|---|
| 692 | + hw_stats->rx_checksum_errors += |
|---|
| 693 | + mtk_r32(mac->hw, MT7628_SDM_CS_ERR); |
|---|
| 694 | + } else { |
|---|
| 695 | + unsigned int offs = hw_stats->reg_offset; |
|---|
| 696 | + u64 stats; |
|---|
| 697 | + |
|---|
| 698 | + hw_stats->rx_bytes += mtk_r32(mac->hw, |
|---|
| 699 | + MTK_GDM1_RX_GBCNT_L + offs); |
|---|
| 700 | + stats = mtk_r32(mac->hw, MTK_GDM1_RX_GBCNT_H + offs); |
|---|
| 701 | + if (stats) |
|---|
| 702 | + hw_stats->rx_bytes += (stats << 32); |
|---|
| 703 | + hw_stats->rx_packets += |
|---|
| 704 | + mtk_r32(mac->hw, MTK_GDM1_RX_GPCNT + offs); |
|---|
| 705 | + hw_stats->rx_overflow += |
|---|
| 706 | + mtk_r32(mac->hw, MTK_GDM1_RX_OERCNT + offs); |
|---|
| 707 | + hw_stats->rx_fcs_errors += |
|---|
| 708 | + mtk_r32(mac->hw, MTK_GDM1_RX_FERCNT + offs); |
|---|
| 709 | + hw_stats->rx_short_errors += |
|---|
| 710 | + mtk_r32(mac->hw, MTK_GDM1_RX_SERCNT + offs); |
|---|
| 711 | + hw_stats->rx_long_errors += |
|---|
| 712 | + mtk_r32(mac->hw, MTK_GDM1_RX_LENCNT + offs); |
|---|
| 713 | + hw_stats->rx_checksum_errors += |
|---|
| 714 | + mtk_r32(mac->hw, MTK_GDM1_RX_CERCNT + offs); |
|---|
| 715 | + hw_stats->rx_flow_control_packets += |
|---|
| 716 | + mtk_r32(mac->hw, MTK_GDM1_RX_FCCNT + offs); |
|---|
| 717 | + hw_stats->tx_skip += |
|---|
| 718 | + mtk_r32(mac->hw, MTK_GDM1_TX_SKIPCNT + offs); |
|---|
| 719 | + hw_stats->tx_collisions += |
|---|
| 720 | + mtk_r32(mac->hw, MTK_GDM1_TX_COLCNT + offs); |
|---|
| 721 | + hw_stats->tx_bytes += |
|---|
| 722 | + mtk_r32(mac->hw, MTK_GDM1_TX_GBCNT_L + offs); |
|---|
| 723 | + stats = mtk_r32(mac->hw, MTK_GDM1_TX_GBCNT_H + offs); |
|---|
| 724 | + if (stats) |
|---|
| 725 | + hw_stats->tx_bytes += (stats << 32); |
|---|
| 726 | + hw_stats->tx_packets += |
|---|
| 727 | + mtk_r32(mac->hw, MTK_GDM1_TX_GPCNT + offs); |
|---|
| 728 | + } |
|---|
| 729 | + |
|---|
| 520 | 730 | u64_stats_update_end(&hw_stats->syncp); |
|---|
| 521 | 731 | } |
|---|
| 522 | 732 | |
|---|
| .. | .. |
|---|
| 597 | 807 | rxd->rxd4 = READ_ONCE(dma_rxd->rxd4); |
|---|
| 598 | 808 | } |
|---|
| 599 | 809 | |
|---|
| 810 | +static void *mtk_max_lro_buf_alloc(gfp_t gfp_mask) |
|---|
| 811 | +{ |
|---|
| 812 | + unsigned int size = mtk_max_frag_size(MTK_MAX_LRO_RX_LENGTH); |
|---|
| 813 | + unsigned long data; |
|---|
| 814 | + |
|---|
| 815 | + data = __get_free_pages(gfp_mask | __GFP_COMP | __GFP_NOWARN, |
|---|
| 816 | + get_order(size)); |
|---|
| 817 | + |
|---|
| 818 | + return (void *)data; |
|---|
| 819 | +} |
|---|
| 820 | + |
|---|
| 600 | 821 | /* the qdma core needs scratch memory to be setup */ |
|---|
| 601 | 822 | static int mtk_init_fq_dma(struct mtk_eth *eth) |
|---|
| 602 | 823 | { |
|---|
| .. | .. |
|---|
| 605 | 826 | dma_addr_t dma_addr; |
|---|
| 606 | 827 | int i; |
|---|
| 607 | 828 | |
|---|
| 608 | | - eth->scratch_ring = dma_zalloc_coherent(eth->dev, |
|---|
| 609 | | - cnt * sizeof(struct mtk_tx_dma), |
|---|
| 610 | | - ð->phy_scratch_ring, |
|---|
| 611 | | - GFP_ATOMIC); |
|---|
| 829 | + eth->scratch_ring = dma_alloc_coherent(eth->dev, |
|---|
| 830 | + cnt * sizeof(struct mtk_tx_dma), |
|---|
| 831 | + ð->phy_scratch_ring, |
|---|
| 832 | + GFP_ATOMIC); |
|---|
| 612 | 833 | if (unlikely(!eth->scratch_ring)) |
|---|
| 613 | 834 | return -ENOMEM; |
|---|
| 614 | 835 | |
|---|
| .. | .. |
|---|
| 658 | 879 | return &ring->buf[idx]; |
|---|
| 659 | 880 | } |
|---|
| 660 | 881 | |
|---|
| 882 | +static struct mtk_tx_dma *qdma_to_pdma(struct mtk_tx_ring *ring, |
|---|
| 883 | + struct mtk_tx_dma *dma) |
|---|
| 884 | +{ |
|---|
| 885 | + return ring->dma_pdma - ring->dma + dma; |
|---|
| 886 | +} |
|---|
| 887 | + |
|---|
| 888 | +static int txd_to_idx(struct mtk_tx_ring *ring, struct mtk_tx_dma *dma) |
|---|
| 889 | +{ |
|---|
| 890 | + return ((void *)dma - (void *)ring->dma) / sizeof(*dma); |
|---|
| 891 | +} |
|---|
| 892 | + |
|---|
| 661 | 893 | static void mtk_tx_unmap(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf) |
|---|
| 662 | 894 | { |
|---|
| 663 | | - if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) { |
|---|
| 664 | | - dma_unmap_single(eth->dev, |
|---|
| 665 | | - dma_unmap_addr(tx_buf, dma_addr0), |
|---|
| 666 | | - dma_unmap_len(tx_buf, dma_len0), |
|---|
| 667 | | - DMA_TO_DEVICE); |
|---|
| 668 | | - } else if (tx_buf->flags & MTK_TX_FLAGS_PAGE0) { |
|---|
| 669 | | - dma_unmap_page(eth->dev, |
|---|
| 670 | | - dma_unmap_addr(tx_buf, dma_addr0), |
|---|
| 671 | | - dma_unmap_len(tx_buf, dma_len0), |
|---|
| 672 | | - DMA_TO_DEVICE); |
|---|
| 895 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 896 | + if (tx_buf->flags & MTK_TX_FLAGS_SINGLE0) { |
|---|
| 897 | + dma_unmap_single(eth->dev, |
|---|
| 898 | + dma_unmap_addr(tx_buf, dma_addr0), |
|---|
| 899 | + dma_unmap_len(tx_buf, dma_len0), |
|---|
| 900 | + DMA_TO_DEVICE); |
|---|
| 901 | + } else if (tx_buf->flags & MTK_TX_FLAGS_PAGE0) { |
|---|
| 902 | + dma_unmap_page(eth->dev, |
|---|
| 903 | + dma_unmap_addr(tx_buf, dma_addr0), |
|---|
| 904 | + dma_unmap_len(tx_buf, dma_len0), |
|---|
| 905 | + DMA_TO_DEVICE); |
|---|
| 906 | + } |
|---|
| 907 | + } else { |
|---|
| 908 | + if (dma_unmap_len(tx_buf, dma_len0)) { |
|---|
| 909 | + dma_unmap_page(eth->dev, |
|---|
| 910 | + dma_unmap_addr(tx_buf, dma_addr0), |
|---|
| 911 | + dma_unmap_len(tx_buf, dma_len0), |
|---|
| 912 | + DMA_TO_DEVICE); |
|---|
| 913 | + } |
|---|
| 914 | + |
|---|
| 915 | + if (dma_unmap_len(tx_buf, dma_len1)) { |
|---|
| 916 | + dma_unmap_page(eth->dev, |
|---|
| 917 | + dma_unmap_addr(tx_buf, dma_addr1), |
|---|
| 918 | + dma_unmap_len(tx_buf, dma_len1), |
|---|
| 919 | + DMA_TO_DEVICE); |
|---|
| 920 | + } |
|---|
| 673 | 921 | } |
|---|
| 922 | + |
|---|
| 674 | 923 | tx_buf->flags = 0; |
|---|
| 675 | 924 | if (tx_buf->skb && |
|---|
| 676 | 925 | (tx_buf->skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC)) |
|---|
| 677 | 926 | dev_kfree_skb_any(tx_buf->skb); |
|---|
| 678 | 927 | tx_buf->skb = NULL; |
|---|
| 928 | +} |
|---|
| 929 | + |
|---|
| 930 | +static void setup_tx_buf(struct mtk_eth *eth, struct mtk_tx_buf *tx_buf, |
|---|
| 931 | + struct mtk_tx_dma *txd, dma_addr_t mapped_addr, |
|---|
| 932 | + size_t size, int idx) |
|---|
| 933 | +{ |
|---|
| 934 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 935 | + dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); |
|---|
| 936 | + dma_unmap_len_set(tx_buf, dma_len0, size); |
|---|
| 937 | + } else { |
|---|
| 938 | + if (idx & 1) { |
|---|
| 939 | + txd->txd3 = mapped_addr; |
|---|
| 940 | + txd->txd2 |= TX_DMA_PLEN1(size); |
|---|
| 941 | + dma_unmap_addr_set(tx_buf, dma_addr1, mapped_addr); |
|---|
| 942 | + dma_unmap_len_set(tx_buf, dma_len1, size); |
|---|
| 943 | + } else { |
|---|
| 944 | + tx_buf->skb = (struct sk_buff *)MTK_DMA_DUMMY_DESC; |
|---|
| 945 | + txd->txd1 = mapped_addr; |
|---|
| 946 | + txd->txd2 = TX_DMA_PLEN0(size); |
|---|
| 947 | + dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); |
|---|
| 948 | + dma_unmap_len_set(tx_buf, dma_len0, size); |
|---|
| 949 | + } |
|---|
| 950 | + } |
|---|
| 679 | 951 | } |
|---|
| 680 | 952 | |
|---|
| 681 | 953 | static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, |
|---|
| .. | .. |
|---|
| 684 | 956 | struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 685 | 957 | struct mtk_eth *eth = mac->hw; |
|---|
| 686 | 958 | struct mtk_tx_dma *itxd, *txd; |
|---|
| 959 | + struct mtk_tx_dma *itxd_pdma, *txd_pdma; |
|---|
| 687 | 960 | struct mtk_tx_buf *itx_buf, *tx_buf; |
|---|
| 688 | 961 | dma_addr_t mapped_addr; |
|---|
| 689 | 962 | unsigned int nr_frags; |
|---|
| 690 | 963 | int i, n_desc = 1; |
|---|
| 691 | 964 | u32 txd4 = 0, fport; |
|---|
| 965 | + int k = 0; |
|---|
| 692 | 966 | |
|---|
| 693 | 967 | itxd = ring->next_free; |
|---|
| 968 | + itxd_pdma = qdma_to_pdma(ring, itxd); |
|---|
| 694 | 969 | if (itxd == ring->last_free) |
|---|
| 695 | 970 | return -ENOMEM; |
|---|
| 696 | 971 | |
|---|
| .. | .. |
|---|
| 721 | 996 | itx_buf->flags |= MTK_TX_FLAGS_SINGLE0; |
|---|
| 722 | 997 | itx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : |
|---|
| 723 | 998 | MTK_TX_FLAGS_FPORT1; |
|---|
| 724 | | - dma_unmap_addr_set(itx_buf, dma_addr0, mapped_addr); |
|---|
| 725 | | - dma_unmap_len_set(itx_buf, dma_len0, skb_headlen(skb)); |
|---|
| 999 | + setup_tx_buf(eth, itx_buf, itxd_pdma, mapped_addr, skb_headlen(skb), |
|---|
| 1000 | + k++); |
|---|
| 726 | 1001 | |
|---|
| 727 | 1002 | /* TX SG offload */ |
|---|
| 728 | 1003 | txd = itxd; |
|---|
| 1004 | + txd_pdma = qdma_to_pdma(ring, txd); |
|---|
| 729 | 1005 | nr_frags = skb_shinfo(skb)->nr_frags; |
|---|
| 1006 | + |
|---|
| 730 | 1007 | for (i = 0; i < nr_frags; i++) { |
|---|
| 731 | | - struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; |
|---|
| 1008 | + skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
|---|
| 732 | 1009 | unsigned int offset = 0; |
|---|
| 733 | 1010 | int frag_size = skb_frag_size(frag); |
|---|
| 734 | 1011 | |
|---|
| 735 | 1012 | while (frag_size) { |
|---|
| 736 | 1013 | bool last_frag = false; |
|---|
| 737 | 1014 | unsigned int frag_map_size; |
|---|
| 1015 | + bool new_desc = true; |
|---|
| 738 | 1016 | |
|---|
| 739 | | - txd = mtk_qdma_phys_to_virt(ring, txd->txd2); |
|---|
| 740 | | - if (txd == ring->last_free) |
|---|
| 741 | | - goto err_dma; |
|---|
| 1017 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA) || |
|---|
| 1018 | + (i & 0x1)) { |
|---|
| 1019 | + txd = mtk_qdma_phys_to_virt(ring, txd->txd2); |
|---|
| 1020 | + txd_pdma = qdma_to_pdma(ring, txd); |
|---|
| 1021 | + if (txd == ring->last_free) |
|---|
| 1022 | + goto err_dma; |
|---|
| 742 | 1023 | |
|---|
| 743 | | - n_desc++; |
|---|
| 1024 | + n_desc++; |
|---|
| 1025 | + } else { |
|---|
| 1026 | + new_desc = false; |
|---|
| 1027 | + } |
|---|
| 1028 | + |
|---|
| 1029 | + |
|---|
| 744 | 1030 | frag_map_size = min(frag_size, MTK_TX_DMA_BUF_LEN); |
|---|
| 745 | 1031 | mapped_addr = skb_frag_dma_map(eth->dev, frag, offset, |
|---|
| 746 | 1032 | frag_map_size, |
|---|
| .. | .. |
|---|
| 759 | 1045 | WRITE_ONCE(txd->txd4, fport); |
|---|
| 760 | 1046 | |
|---|
| 761 | 1047 | tx_buf = mtk_desc_to_tx_buf(ring, txd); |
|---|
| 762 | | - memset(tx_buf, 0, sizeof(*tx_buf)); |
|---|
| 1048 | + if (new_desc) |
|---|
| 1049 | + memset(tx_buf, 0, sizeof(*tx_buf)); |
|---|
| 763 | 1050 | tx_buf->skb = (struct sk_buff *)MTK_DMA_DUMMY_DESC; |
|---|
| 764 | 1051 | tx_buf->flags |= MTK_TX_FLAGS_PAGE0; |
|---|
| 765 | 1052 | tx_buf->flags |= (!mac->id) ? MTK_TX_FLAGS_FPORT0 : |
|---|
| 766 | 1053 | MTK_TX_FLAGS_FPORT1; |
|---|
| 767 | 1054 | |
|---|
| 768 | | - dma_unmap_addr_set(tx_buf, dma_addr0, mapped_addr); |
|---|
| 769 | | - dma_unmap_len_set(tx_buf, dma_len0, frag_map_size); |
|---|
| 1055 | + setup_tx_buf(eth, tx_buf, txd_pdma, mapped_addr, |
|---|
| 1056 | + frag_map_size, k++); |
|---|
| 1057 | + |
|---|
| 770 | 1058 | frag_size -= frag_map_size; |
|---|
| 771 | 1059 | offset += frag_map_size; |
|---|
| 772 | 1060 | } |
|---|
| .. | .. |
|---|
| 778 | 1066 | WRITE_ONCE(itxd->txd4, txd4); |
|---|
| 779 | 1067 | WRITE_ONCE(itxd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(skb_headlen(skb)) | |
|---|
| 780 | 1068 | (!nr_frags * TX_DMA_LS0))); |
|---|
| 1069 | + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 1070 | + if (k & 0x1) |
|---|
| 1071 | + txd_pdma->txd2 |= TX_DMA_LS0; |
|---|
| 1072 | + else |
|---|
| 1073 | + txd_pdma->txd2 |= TX_DMA_LS1; |
|---|
| 1074 | + } |
|---|
| 781 | 1075 | |
|---|
| 782 | 1076 | netdev_sent_queue(dev, skb->len); |
|---|
| 783 | 1077 | skb_tx_timestamp(skb); |
|---|
| .. | .. |
|---|
| 790 | 1084 | */ |
|---|
| 791 | 1085 | wmb(); |
|---|
| 792 | 1086 | |
|---|
| 793 | | - if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || !skb->xmit_more) |
|---|
| 794 | | - mtk_w32(eth, txd->txd2, MTK_QTX_CTX_PTR); |
|---|
| 1087 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 1088 | + if (netif_xmit_stopped(netdev_get_tx_queue(dev, 0)) || |
|---|
| 1089 | + !netdev_xmit_more()) |
|---|
| 1090 | + mtk_w32(eth, txd->txd2, MTK_QTX_CTX_PTR); |
|---|
| 1091 | + } else { |
|---|
| 1092 | + int next_idx = NEXT_DESP_IDX(txd_to_idx(ring, txd), |
|---|
| 1093 | + ring->dma_size); |
|---|
| 1094 | + mtk_w32(eth, next_idx, MT7628_TX_CTX_IDX0); |
|---|
| 1095 | + } |
|---|
| 795 | 1096 | |
|---|
| 796 | 1097 | return 0; |
|---|
| 797 | 1098 | |
|---|
| .. | .. |
|---|
| 803 | 1104 | mtk_tx_unmap(eth, tx_buf); |
|---|
| 804 | 1105 | |
|---|
| 805 | 1106 | itxd->txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU; |
|---|
| 1107 | + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) |
|---|
| 1108 | + itxd_pdma->txd2 = TX_DMA_DESP2_DEF; |
|---|
| 1109 | + |
|---|
| 806 | 1110 | itxd = mtk_qdma_phys_to_virt(ring, itxd->txd2); |
|---|
| 1111 | + itxd_pdma = qdma_to_pdma(ring, itxd); |
|---|
| 807 | 1112 | } while (itxd != txd); |
|---|
| 808 | 1113 | |
|---|
| 809 | 1114 | return -ENOMEM; |
|---|
| .. | .. |
|---|
| 812 | 1117 | static inline int mtk_cal_txd_req(struct sk_buff *skb) |
|---|
| 813 | 1118 | { |
|---|
| 814 | 1119 | int i, nfrags; |
|---|
| 815 | | - struct skb_frag_struct *frag; |
|---|
| 1120 | + skb_frag_t *frag; |
|---|
| 816 | 1121 | |
|---|
| 817 | 1122 | nfrags = 1; |
|---|
| 818 | 1123 | if (skb_is_gso(skb)) { |
|---|
| 819 | 1124 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
|---|
| 820 | 1125 | frag = &skb_shinfo(skb)->frags[i]; |
|---|
| 821 | | - nfrags += DIV_ROUND_UP(frag->size, MTK_TX_DMA_BUF_LEN); |
|---|
| 1126 | + nfrags += DIV_ROUND_UP(skb_frag_size(frag), |
|---|
| 1127 | + MTK_TX_DMA_BUF_LEN); |
|---|
| 822 | 1128 | } |
|---|
| 823 | 1129 | } else { |
|---|
| 824 | 1130 | nfrags += skb_shinfo(skb)->nr_frags; |
|---|
| .. | .. |
|---|
| 863 | 1169 | } |
|---|
| 864 | 1170 | } |
|---|
| 865 | 1171 | |
|---|
| 866 | | -static int mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) |
|---|
| 1172 | +static netdev_tx_t mtk_start_xmit(struct sk_buff *skb, struct net_device *dev) |
|---|
| 867 | 1173 | { |
|---|
| 868 | 1174 | struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 869 | 1175 | struct mtk_eth *eth = mac->hw; |
|---|
| .. | .. |
|---|
| 933 | 1239 | |
|---|
| 934 | 1240 | for (i = 0; i < MTK_MAX_RX_RING_NUM; i++) { |
|---|
| 935 | 1241 | ring = ð->rx_ring[i]; |
|---|
| 936 | | - idx = NEXT_RX_DESP_IDX(ring->calc_idx, ring->dma_size); |
|---|
| 1242 | + idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size); |
|---|
| 937 | 1243 | if (ring->dma[idx].rxd2 & RX_DMA_DONE) { |
|---|
| 938 | 1244 | ring->calc_idx_update = true; |
|---|
| 939 | 1245 | return ring; |
|---|
| .. | .. |
|---|
| 976 | 1282 | struct net_device *netdev; |
|---|
| 977 | 1283 | unsigned int pktlen; |
|---|
| 978 | 1284 | dma_addr_t dma_addr; |
|---|
| 979 | | - int mac = 0; |
|---|
| 1285 | + int mac; |
|---|
| 980 | 1286 | |
|---|
| 981 | 1287 | ring = mtk_get_rx_ring(eth); |
|---|
| 982 | 1288 | if (unlikely(!ring)) |
|---|
| 983 | 1289 | goto rx_done; |
|---|
| 984 | 1290 | |
|---|
| 985 | | - idx = NEXT_RX_DESP_IDX(ring->calc_idx, ring->dma_size); |
|---|
| 1291 | + idx = NEXT_DESP_IDX(ring->calc_idx, ring->dma_size); |
|---|
| 986 | 1292 | rxd = &ring->dma[idx]; |
|---|
| 987 | 1293 | data = ring->data[idx]; |
|---|
| 988 | 1294 | |
|---|
| .. | .. |
|---|
| 991 | 1297 | break; |
|---|
| 992 | 1298 | |
|---|
| 993 | 1299 | /* find out which mac the packet come from. values start at 1 */ |
|---|
| 994 | | - mac = (trxd.rxd4 >> RX_DMA_FPORT_SHIFT) & |
|---|
| 995 | | - RX_DMA_FPORT_MASK; |
|---|
| 996 | | - mac--; |
|---|
| 1300 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { |
|---|
| 1301 | + mac = 0; |
|---|
| 1302 | + } else { |
|---|
| 1303 | + mac = (trxd.rxd4 >> RX_DMA_FPORT_SHIFT) & |
|---|
| 1304 | + RX_DMA_FPORT_MASK; |
|---|
| 1305 | + mac--; |
|---|
| 1306 | + } |
|---|
| 997 | 1307 | |
|---|
| 998 | 1308 | if (unlikely(mac < 0 || mac >= MTK_MAC_COUNT || |
|---|
| 999 | 1309 | !eth->netdev[mac])) |
|---|
| .. | .. |
|---|
| 1005 | 1315 | goto release_desc; |
|---|
| 1006 | 1316 | |
|---|
| 1007 | 1317 | /* alloc new buffer */ |
|---|
| 1008 | | - new_data = napi_alloc_frag(ring->frag_size); |
|---|
| 1318 | + if (ring->frag_size <= PAGE_SIZE) |
|---|
| 1319 | + new_data = napi_alloc_frag(ring->frag_size); |
|---|
| 1320 | + else |
|---|
| 1321 | + new_data = mtk_max_lro_buf_alloc(GFP_ATOMIC); |
|---|
| 1009 | 1322 | if (unlikely(!new_data)) { |
|---|
| 1010 | 1323 | netdev->stats.rx_dropped++; |
|---|
| 1011 | 1324 | goto release_desc; |
|---|
| 1012 | 1325 | } |
|---|
| 1013 | 1326 | dma_addr = dma_map_single(eth->dev, |
|---|
| 1014 | | - new_data + NET_SKB_PAD, |
|---|
| 1327 | + new_data + NET_SKB_PAD + |
|---|
| 1328 | + eth->ip_align, |
|---|
| 1015 | 1329 | ring->buf_size, |
|---|
| 1016 | 1330 | DMA_FROM_DEVICE); |
|---|
| 1017 | 1331 | if (unlikely(dma_mapping_error(eth->dev, dma_addr))) { |
|---|
| .. | .. |
|---|
| 1034 | 1348 | pktlen = RX_DMA_GET_PLEN0(trxd.rxd2); |
|---|
| 1035 | 1349 | skb->dev = netdev; |
|---|
| 1036 | 1350 | skb_put(skb, pktlen); |
|---|
| 1037 | | - if (trxd.rxd4 & RX_DMA_L4_VALID) |
|---|
| 1351 | + if (trxd.rxd4 & eth->rx_dma_l4_valid) |
|---|
| 1038 | 1352 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
|---|
| 1039 | 1353 | else |
|---|
| 1040 | 1354 | skb_checksum_none_assert(skb); |
|---|
| .. | .. |
|---|
| 1051 | 1365 | rxd->rxd1 = (unsigned int)dma_addr; |
|---|
| 1052 | 1366 | |
|---|
| 1053 | 1367 | release_desc: |
|---|
| 1054 | | - rxd->rxd2 = RX_DMA_PLEN0(ring->buf_size); |
|---|
| 1368 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) |
|---|
| 1369 | + rxd->rxd2 = RX_DMA_LSO; |
|---|
| 1370 | + else |
|---|
| 1371 | + rxd->rxd2 = RX_DMA_PLEN0(ring->buf_size); |
|---|
| 1055 | 1372 | |
|---|
| 1056 | 1373 | ring->calc_idx = idx; |
|---|
| 1057 | 1374 | |
|---|
| .. | .. |
|---|
| 1070 | 1387 | return done; |
|---|
| 1071 | 1388 | } |
|---|
| 1072 | 1389 | |
|---|
| 1073 | | -static int mtk_poll_tx(struct mtk_eth *eth, int budget) |
|---|
| 1390 | +static int mtk_poll_tx_qdma(struct mtk_eth *eth, int budget, |
|---|
| 1391 | + unsigned int *done, unsigned int *bytes) |
|---|
| 1074 | 1392 | { |
|---|
| 1075 | 1393 | struct mtk_tx_ring *ring = ð->tx_ring; |
|---|
| 1076 | 1394 | struct mtk_tx_dma *desc; |
|---|
| 1077 | 1395 | struct sk_buff *skb; |
|---|
| 1078 | 1396 | struct mtk_tx_buf *tx_buf; |
|---|
| 1079 | | - unsigned int done[MTK_MAX_DEVS]; |
|---|
| 1080 | | - unsigned int bytes[MTK_MAX_DEVS]; |
|---|
| 1081 | 1397 | u32 cpu, dma; |
|---|
| 1082 | | - int total = 0, i; |
|---|
| 1083 | | - |
|---|
| 1084 | | - memset(done, 0, sizeof(done)); |
|---|
| 1085 | | - memset(bytes, 0, sizeof(bytes)); |
|---|
| 1086 | 1398 | |
|---|
| 1087 | 1399 | cpu = mtk_r32(eth, MTK_QTX_CRX_PTR); |
|---|
| 1088 | 1400 | dma = mtk_r32(eth, MTK_QTX_DRX_PTR); |
|---|
| .. | .. |
|---|
| 1120 | 1432 | |
|---|
| 1121 | 1433 | mtk_w32(eth, cpu, MTK_QTX_CRX_PTR); |
|---|
| 1122 | 1434 | |
|---|
| 1435 | + return budget; |
|---|
| 1436 | +} |
|---|
| 1437 | + |
|---|
| 1438 | +static int mtk_poll_tx_pdma(struct mtk_eth *eth, int budget, |
|---|
| 1439 | + unsigned int *done, unsigned int *bytes) |
|---|
| 1440 | +{ |
|---|
| 1441 | + struct mtk_tx_ring *ring = ð->tx_ring; |
|---|
| 1442 | + struct mtk_tx_dma *desc; |
|---|
| 1443 | + struct sk_buff *skb; |
|---|
| 1444 | + struct mtk_tx_buf *tx_buf; |
|---|
| 1445 | + u32 cpu, dma; |
|---|
| 1446 | + |
|---|
| 1447 | + cpu = ring->cpu_idx; |
|---|
| 1448 | + dma = mtk_r32(eth, MT7628_TX_DTX_IDX0); |
|---|
| 1449 | + |
|---|
| 1450 | + while ((cpu != dma) && budget) { |
|---|
| 1451 | + tx_buf = &ring->buf[cpu]; |
|---|
| 1452 | + skb = tx_buf->skb; |
|---|
| 1453 | + if (!skb) |
|---|
| 1454 | + break; |
|---|
| 1455 | + |
|---|
| 1456 | + if (skb != (struct sk_buff *)MTK_DMA_DUMMY_DESC) { |
|---|
| 1457 | + bytes[0] += skb->len; |
|---|
| 1458 | + done[0]++; |
|---|
| 1459 | + budget--; |
|---|
| 1460 | + } |
|---|
| 1461 | + |
|---|
| 1462 | + mtk_tx_unmap(eth, tx_buf); |
|---|
| 1463 | + |
|---|
| 1464 | + desc = &ring->dma[cpu]; |
|---|
| 1465 | + ring->last_free = desc; |
|---|
| 1466 | + atomic_inc(&ring->free_count); |
|---|
| 1467 | + |
|---|
| 1468 | + cpu = NEXT_DESP_IDX(cpu, ring->dma_size); |
|---|
| 1469 | + } |
|---|
| 1470 | + |
|---|
| 1471 | + ring->cpu_idx = cpu; |
|---|
| 1472 | + |
|---|
| 1473 | + return budget; |
|---|
| 1474 | +} |
|---|
| 1475 | + |
|---|
| 1476 | +static int mtk_poll_tx(struct mtk_eth *eth, int budget) |
|---|
| 1477 | +{ |
|---|
| 1478 | + struct mtk_tx_ring *ring = ð->tx_ring; |
|---|
| 1479 | + unsigned int done[MTK_MAX_DEVS]; |
|---|
| 1480 | + unsigned int bytes[MTK_MAX_DEVS]; |
|---|
| 1481 | + int total = 0, i; |
|---|
| 1482 | + |
|---|
| 1483 | + memset(done, 0, sizeof(done)); |
|---|
| 1484 | + memset(bytes, 0, sizeof(bytes)); |
|---|
| 1485 | + |
|---|
| 1486 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) |
|---|
| 1487 | + budget = mtk_poll_tx_qdma(eth, budget, done, bytes); |
|---|
| 1488 | + else |
|---|
| 1489 | + budget = mtk_poll_tx_pdma(eth, budget, done, bytes); |
|---|
| 1490 | + |
|---|
| 1123 | 1491 | for (i = 0; i < MTK_MAC_COUNT; i++) { |
|---|
| 1124 | 1492 | if (!eth->netdev[i] || !done[i]) |
|---|
| 1125 | 1493 | continue; |
|---|
| .. | .. |
|---|
| 1151 | 1519 | u32 status, mask; |
|---|
| 1152 | 1520 | int tx_done = 0; |
|---|
| 1153 | 1521 | |
|---|
| 1154 | | - mtk_handle_status_irq(eth); |
|---|
| 1155 | | - mtk_w32(eth, MTK_TX_DONE_INT, MTK_QMTK_INT_STATUS); |
|---|
| 1522 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) |
|---|
| 1523 | + mtk_handle_status_irq(eth); |
|---|
| 1524 | + mtk_w32(eth, MTK_TX_DONE_INT, eth->tx_int_status_reg); |
|---|
| 1156 | 1525 | tx_done = mtk_poll_tx(eth, budget); |
|---|
| 1157 | 1526 | |
|---|
| 1158 | 1527 | if (unlikely(netif_msg_intr(eth))) { |
|---|
| 1159 | | - status = mtk_r32(eth, MTK_QMTK_INT_STATUS); |
|---|
| 1160 | | - mask = mtk_r32(eth, MTK_QDMA_INT_MASK); |
|---|
| 1528 | + status = mtk_r32(eth, eth->tx_int_status_reg); |
|---|
| 1529 | + mask = mtk_r32(eth, eth->tx_int_mask_reg); |
|---|
| 1161 | 1530 | dev_info(eth->dev, |
|---|
| 1162 | 1531 | "done tx %d, intr 0x%08x/0x%x\n", |
|---|
| 1163 | 1532 | tx_done, status, mask); |
|---|
| .. | .. |
|---|
| 1166 | 1535 | if (tx_done == budget) |
|---|
| 1167 | 1536 | return budget; |
|---|
| 1168 | 1537 | |
|---|
| 1169 | | - status = mtk_r32(eth, MTK_QMTK_INT_STATUS); |
|---|
| 1538 | + status = mtk_r32(eth, eth->tx_int_status_reg); |
|---|
| 1170 | 1539 | if (status & MTK_TX_DONE_INT) |
|---|
| 1171 | 1540 | return budget; |
|---|
| 1172 | 1541 | |
|---|
| .. | .. |
|---|
| 1220 | 1589 | if (!ring->buf) |
|---|
| 1221 | 1590 | goto no_tx_mem; |
|---|
| 1222 | 1591 | |
|---|
| 1223 | | - ring->dma = dma_zalloc_coherent(eth->dev, MTK_DMA_SIZE * sz, |
|---|
| 1224 | | - &ring->phys, GFP_ATOMIC); |
|---|
| 1592 | + ring->dma = dma_alloc_coherent(eth->dev, MTK_DMA_SIZE * sz, |
|---|
| 1593 | + &ring->phys, GFP_ATOMIC); |
|---|
| 1225 | 1594 | if (!ring->dma) |
|---|
| 1226 | 1595 | goto no_tx_mem; |
|---|
| 1227 | 1596 | |
|---|
| .. | .. |
|---|
| 1233 | 1602 | ring->dma[i].txd3 = TX_DMA_LS0 | TX_DMA_OWNER_CPU; |
|---|
| 1234 | 1603 | } |
|---|
| 1235 | 1604 | |
|---|
| 1605 | + /* On MT7688 (PDMA only) this driver uses the ring->dma structs |
|---|
| 1606 | + * only as the framework. The real HW descriptors are the PDMA |
|---|
| 1607 | + * descriptors in ring->dma_pdma. |
|---|
| 1608 | + */ |
|---|
| 1609 | + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 1610 | + ring->dma_pdma = dma_alloc_coherent(eth->dev, MTK_DMA_SIZE * sz, |
|---|
| 1611 | + &ring->phys_pdma, |
|---|
| 1612 | + GFP_ATOMIC); |
|---|
| 1613 | + if (!ring->dma_pdma) |
|---|
| 1614 | + goto no_tx_mem; |
|---|
| 1615 | + |
|---|
| 1616 | + for (i = 0; i < MTK_DMA_SIZE; i++) { |
|---|
| 1617 | + ring->dma_pdma[i].txd2 = TX_DMA_DESP2_DEF; |
|---|
| 1618 | + ring->dma_pdma[i].txd4 = 0; |
|---|
| 1619 | + } |
|---|
| 1620 | + } |
|---|
| 1621 | + |
|---|
| 1622 | + ring->dma_size = MTK_DMA_SIZE; |
|---|
| 1236 | 1623 | atomic_set(&ring->free_count, MTK_DMA_SIZE - 2); |
|---|
| 1237 | 1624 | ring->next_free = &ring->dma[0]; |
|---|
| 1238 | 1625 | ring->last_free = &ring->dma[MTK_DMA_SIZE - 1]; |
|---|
| .. | .. |
|---|
| 1243 | 1630 | */ |
|---|
| 1244 | 1631 | wmb(); |
|---|
| 1245 | 1632 | |
|---|
| 1246 | | - mtk_w32(eth, ring->phys, MTK_QTX_CTX_PTR); |
|---|
| 1247 | | - mtk_w32(eth, ring->phys, MTK_QTX_DTX_PTR); |
|---|
| 1248 | | - mtk_w32(eth, |
|---|
| 1249 | | - ring->phys + ((MTK_DMA_SIZE - 1) * sz), |
|---|
| 1250 | | - MTK_QTX_CRX_PTR); |
|---|
| 1251 | | - mtk_w32(eth, |
|---|
| 1252 | | - ring->phys + ((MTK_DMA_SIZE - 1) * sz), |
|---|
| 1253 | | - MTK_QTX_DRX_PTR); |
|---|
| 1254 | | - mtk_w32(eth, (QDMA_RES_THRES << 8) | QDMA_RES_THRES, MTK_QTX_CFG(0)); |
|---|
| 1633 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 1634 | + mtk_w32(eth, ring->phys, MTK_QTX_CTX_PTR); |
|---|
| 1635 | + mtk_w32(eth, ring->phys, MTK_QTX_DTX_PTR); |
|---|
| 1636 | + mtk_w32(eth, |
|---|
| 1637 | + ring->phys + ((MTK_DMA_SIZE - 1) * sz), |
|---|
| 1638 | + MTK_QTX_CRX_PTR); |
|---|
| 1639 | + mtk_w32(eth, |
|---|
| 1640 | + ring->phys + ((MTK_DMA_SIZE - 1) * sz), |
|---|
| 1641 | + MTK_QTX_DRX_PTR); |
|---|
| 1642 | + mtk_w32(eth, (QDMA_RES_THRES << 8) | QDMA_RES_THRES, |
|---|
| 1643 | + MTK_QTX_CFG(0)); |
|---|
| 1644 | + } else { |
|---|
| 1645 | + mtk_w32(eth, ring->phys_pdma, MT7628_TX_BASE_PTR0); |
|---|
| 1646 | + mtk_w32(eth, MTK_DMA_SIZE, MT7628_TX_MAX_CNT0); |
|---|
| 1647 | + mtk_w32(eth, 0, MT7628_TX_CTX_IDX0); |
|---|
| 1648 | + mtk_w32(eth, MT7628_PST_DTX_IDX0, MTK_PDMA_RST_IDX); |
|---|
| 1649 | + } |
|---|
| 1255 | 1650 | |
|---|
| 1256 | 1651 | return 0; |
|---|
| 1257 | 1652 | |
|---|
| .. | .. |
|---|
| 1277 | 1672 | ring->dma, |
|---|
| 1278 | 1673 | ring->phys); |
|---|
| 1279 | 1674 | ring->dma = NULL; |
|---|
| 1675 | + } |
|---|
| 1676 | + |
|---|
| 1677 | + if (ring->dma_pdma) { |
|---|
| 1678 | + dma_free_coherent(eth->dev, |
|---|
| 1679 | + MTK_DMA_SIZE * sizeof(*ring->dma_pdma), |
|---|
| 1680 | + ring->dma_pdma, |
|---|
| 1681 | + ring->phys_pdma); |
|---|
| 1682 | + ring->dma_pdma = NULL; |
|---|
| 1280 | 1683 | } |
|---|
| 1281 | 1684 | } |
|---|
| 1282 | 1685 | |
|---|
| .. | .. |
|---|
| 1312 | 1715 | return -ENOMEM; |
|---|
| 1313 | 1716 | |
|---|
| 1314 | 1717 | for (i = 0; i < rx_dma_size; i++) { |
|---|
| 1315 | | - ring->data[i] = netdev_alloc_frag(ring->frag_size); |
|---|
| 1718 | + if (ring->frag_size <= PAGE_SIZE) |
|---|
| 1719 | + ring->data[i] = netdev_alloc_frag(ring->frag_size); |
|---|
| 1720 | + else |
|---|
| 1721 | + ring->data[i] = mtk_max_lro_buf_alloc(GFP_KERNEL); |
|---|
| 1316 | 1722 | if (!ring->data[i]) |
|---|
| 1317 | 1723 | return -ENOMEM; |
|---|
| 1318 | 1724 | } |
|---|
| 1319 | 1725 | |
|---|
| 1320 | | - ring->dma = dma_zalloc_coherent(eth->dev, |
|---|
| 1321 | | - rx_dma_size * sizeof(*ring->dma), |
|---|
| 1322 | | - &ring->phys, GFP_ATOMIC); |
|---|
| 1726 | + ring->dma = dma_alloc_coherent(eth->dev, |
|---|
| 1727 | + rx_dma_size * sizeof(*ring->dma), |
|---|
| 1728 | + &ring->phys, GFP_ATOMIC); |
|---|
| 1323 | 1729 | if (!ring->dma) |
|---|
| 1324 | 1730 | return -ENOMEM; |
|---|
| 1325 | 1731 | |
|---|
| 1326 | 1732 | for (i = 0; i < rx_dma_size; i++) { |
|---|
| 1327 | 1733 | dma_addr_t dma_addr = dma_map_single(eth->dev, |
|---|
| 1328 | | - ring->data[i] + NET_SKB_PAD, |
|---|
| 1734 | + ring->data[i] + NET_SKB_PAD + eth->ip_align, |
|---|
| 1329 | 1735 | ring->buf_size, |
|---|
| 1330 | 1736 | DMA_FROM_DEVICE); |
|---|
| 1331 | 1737 | if (unlikely(dma_mapping_error(eth->dev, dma_addr))) |
|---|
| 1332 | 1738 | return -ENOMEM; |
|---|
| 1333 | 1739 | ring->dma[i].rxd1 = (unsigned int)dma_addr; |
|---|
| 1334 | 1740 | |
|---|
| 1335 | | - ring->dma[i].rxd2 = RX_DMA_PLEN0(ring->buf_size); |
|---|
| 1741 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) |
|---|
| 1742 | + ring->dma[i].rxd2 = RX_DMA_LSO; |
|---|
| 1743 | + else |
|---|
| 1744 | + ring->dma[i].rxd2 = RX_DMA_PLEN0(ring->buf_size); |
|---|
| 1336 | 1745 | } |
|---|
| 1337 | 1746 | ring->dma_size = rx_dma_size; |
|---|
| 1338 | 1747 | ring->calc_idx_update = false; |
|---|
| .. | .. |
|---|
| 1575 | 1984 | struct ethtool_rx_flow_spec *fsp = |
|---|
| 1576 | 1985 | (struct ethtool_rx_flow_spec *)&cmd->fs; |
|---|
| 1577 | 1986 | |
|---|
| 1987 | + if (fsp->location >= ARRAY_SIZE(mac->hwlro_ip)) |
|---|
| 1988 | + return -EINVAL; |
|---|
| 1989 | + |
|---|
| 1578 | 1990 | /* only tcp dst ipv4 is meaningful, others are meaningless */ |
|---|
| 1579 | 1991 | fsp->flow_type = TCP_V4_FLOW; |
|---|
| 1580 | 1992 | fsp->h_u.tcp_ip4_spec.ip4dst = ntohl(mac->hwlro_ip[fsp->location]); |
|---|
| .. | .. |
|---|
| 1601 | 2013 | int i; |
|---|
| 1602 | 2014 | |
|---|
| 1603 | 2015 | for (i = 0; i < MTK_MAX_LRO_IP_CNT; i++) { |
|---|
| 2016 | + if (cnt == cmd->rule_cnt) |
|---|
| 2017 | + return -EMSGSIZE; |
|---|
| 2018 | + |
|---|
| 1604 | 2019 | if (mac->hwlro_ip[i]) { |
|---|
| 1605 | 2020 | rule_locs[cnt] = i; |
|---|
| 1606 | 2021 | cnt++; |
|---|
| .. | .. |
|---|
| 1648 | 2063 | unsigned long t_start = jiffies; |
|---|
| 1649 | 2064 | |
|---|
| 1650 | 2065 | while (1) { |
|---|
| 1651 | | - if (!(mtk_r32(eth, MTK_QDMA_GLO_CFG) & |
|---|
| 1652 | | - (MTK_RX_DMA_BUSY | MTK_TX_DMA_BUSY))) |
|---|
| 1653 | | - return 0; |
|---|
| 2066 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 2067 | + if (!(mtk_r32(eth, MTK_QDMA_GLO_CFG) & |
|---|
| 2068 | + (MTK_RX_DMA_BUSY | MTK_TX_DMA_BUSY))) |
|---|
| 2069 | + return 0; |
|---|
| 2070 | + } else { |
|---|
| 2071 | + if (!(mtk_r32(eth, MTK_PDMA_GLO_CFG) & |
|---|
| 2072 | + (MTK_RX_DMA_BUSY | MTK_TX_DMA_BUSY))) |
|---|
| 2073 | + return 0; |
|---|
| 2074 | + } |
|---|
| 2075 | + |
|---|
| 1654 | 2076 | if (time_after(jiffies, t_start + MTK_DMA_BUSY_TIMEOUT)) |
|---|
| 1655 | 2077 | break; |
|---|
| 1656 | 2078 | } |
|---|
| .. | .. |
|---|
| 1667 | 2089 | if (mtk_dma_busy_wait(eth)) |
|---|
| 1668 | 2090 | return -EBUSY; |
|---|
| 1669 | 2091 | |
|---|
| 1670 | | - /* QDMA needs scratch memory for internal reordering of the |
|---|
| 1671 | | - * descriptors |
|---|
| 1672 | | - */ |
|---|
| 1673 | | - err = mtk_init_fq_dma(eth); |
|---|
| 1674 | | - if (err) |
|---|
| 1675 | | - return err; |
|---|
| 2092 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 2093 | + /* QDMA needs scratch memory for internal reordering of the |
|---|
| 2094 | + * descriptors |
|---|
| 2095 | + */ |
|---|
| 2096 | + err = mtk_init_fq_dma(eth); |
|---|
| 2097 | + if (err) |
|---|
| 2098 | + return err; |
|---|
| 2099 | + } |
|---|
| 1676 | 2100 | |
|---|
| 1677 | 2101 | err = mtk_tx_alloc(eth); |
|---|
| 1678 | 2102 | if (err) |
|---|
| 1679 | 2103 | return err; |
|---|
| 1680 | 2104 | |
|---|
| 1681 | | - err = mtk_rx_alloc(eth, 0, MTK_RX_FLAGS_QDMA); |
|---|
| 1682 | | - if (err) |
|---|
| 1683 | | - return err; |
|---|
| 2105 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 2106 | + err = mtk_rx_alloc(eth, 0, MTK_RX_FLAGS_QDMA); |
|---|
| 2107 | + if (err) |
|---|
| 2108 | + return err; |
|---|
| 2109 | + } |
|---|
| 1684 | 2110 | |
|---|
| 1685 | 2111 | err = mtk_rx_alloc(eth, 0, MTK_RX_FLAGS_NORMAL); |
|---|
| 1686 | 2112 | if (err) |
|---|
| .. | .. |
|---|
| 1697 | 2123 | return err; |
|---|
| 1698 | 2124 | } |
|---|
| 1699 | 2125 | |
|---|
| 1700 | | - /* Enable random early drop and set drop threshold automatically */ |
|---|
| 1701 | | - mtk_w32(eth, FC_THRES_DROP_MODE | FC_THRES_DROP_EN | FC_THRES_MIN, |
|---|
| 1702 | | - MTK_QDMA_FC_THRES); |
|---|
| 1703 | | - mtk_w32(eth, 0x0, MTK_QDMA_HRED2); |
|---|
| 2126 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 2127 | + /* Enable random early drop and set drop threshold |
|---|
| 2128 | + * automatically |
|---|
| 2129 | + */ |
|---|
| 2130 | + mtk_w32(eth, FC_THRES_DROP_MODE | FC_THRES_DROP_EN | |
|---|
| 2131 | + FC_THRES_MIN, MTK_QDMA_FC_THRES); |
|---|
| 2132 | + mtk_w32(eth, 0x0, MTK_QDMA_HRED2); |
|---|
| 2133 | + } |
|---|
| 1704 | 2134 | |
|---|
| 1705 | 2135 | return 0; |
|---|
| 1706 | 2136 | } |
|---|
| .. | .. |
|---|
| 1733 | 2163 | kfree(eth->scratch_head); |
|---|
| 1734 | 2164 | } |
|---|
| 1735 | 2165 | |
|---|
| 1736 | | -static void mtk_tx_timeout(struct net_device *dev) |
|---|
| 2166 | +static void mtk_tx_timeout(struct net_device *dev, unsigned int txqueue) |
|---|
| 1737 | 2167 | { |
|---|
| 1738 | 2168 | struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 1739 | 2169 | struct mtk_eth *eth = mac->hw; |
|---|
| .. | .. |
|---|
| 1768 | 2198 | return IRQ_HANDLED; |
|---|
| 1769 | 2199 | } |
|---|
| 1770 | 2200 | |
|---|
| 2201 | +static irqreturn_t mtk_handle_irq(int irq, void *_eth) |
|---|
| 2202 | +{ |
|---|
| 2203 | + struct mtk_eth *eth = _eth; |
|---|
| 2204 | + |
|---|
| 2205 | + if (mtk_r32(eth, MTK_PDMA_INT_MASK) & MTK_RX_DONE_INT) { |
|---|
| 2206 | + if (mtk_r32(eth, MTK_PDMA_INT_STATUS) & MTK_RX_DONE_INT) |
|---|
| 2207 | + mtk_handle_irq_rx(irq, _eth); |
|---|
| 2208 | + } |
|---|
| 2209 | + if (mtk_r32(eth, eth->tx_int_mask_reg) & MTK_TX_DONE_INT) { |
|---|
| 2210 | + if (mtk_r32(eth, eth->tx_int_status_reg) & MTK_TX_DONE_INT) |
|---|
| 2211 | + mtk_handle_irq_tx(irq, _eth); |
|---|
| 2212 | + } |
|---|
| 2213 | + |
|---|
| 2214 | + return IRQ_HANDLED; |
|---|
| 2215 | +} |
|---|
| 2216 | + |
|---|
| 1771 | 2217 | #ifdef CONFIG_NET_POLL_CONTROLLER |
|---|
| 1772 | 2218 | static void mtk_poll_controller(struct net_device *dev) |
|---|
| 1773 | 2219 | { |
|---|
| .. | .. |
|---|
| 1793 | 2239 | return err; |
|---|
| 1794 | 2240 | } |
|---|
| 1795 | 2241 | |
|---|
| 1796 | | - mtk_w32(eth, |
|---|
| 1797 | | - MTK_TX_WB_DDONE | MTK_TX_DMA_EN | |
|---|
| 1798 | | - MTK_DMA_SIZE_16DWORDS | MTK_NDP_CO_PRO | |
|---|
| 1799 | | - MTK_RX_DMA_EN | MTK_RX_2B_OFFSET | |
|---|
| 1800 | | - MTK_RX_BT_32DWORDS, |
|---|
| 1801 | | - MTK_QDMA_GLO_CFG); |
|---|
| 2242 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 2243 | + mtk_w32(eth, |
|---|
| 2244 | + MTK_TX_WB_DDONE | MTK_TX_DMA_EN | |
|---|
| 2245 | + MTK_DMA_SIZE_16DWORDS | MTK_NDP_CO_PRO | |
|---|
| 2246 | + MTK_RX_DMA_EN | MTK_RX_2B_OFFSET | |
|---|
| 2247 | + MTK_RX_BT_32DWORDS, |
|---|
| 2248 | + MTK_QDMA_GLO_CFG); |
|---|
| 1802 | 2249 | |
|---|
| 1803 | | - mtk_w32(eth, |
|---|
| 1804 | | - MTK_RX_DMA_EN | rx_2b_offset | |
|---|
| 1805 | | - MTK_RX_BT_32DWORDS | MTK_MULTI_EN, |
|---|
| 1806 | | - MTK_PDMA_GLO_CFG); |
|---|
| 2250 | + mtk_w32(eth, |
|---|
| 2251 | + MTK_RX_DMA_EN | rx_2b_offset | |
|---|
| 2252 | + MTK_RX_BT_32DWORDS | MTK_MULTI_EN, |
|---|
| 2253 | + MTK_PDMA_GLO_CFG); |
|---|
| 2254 | + } else { |
|---|
| 2255 | + mtk_w32(eth, MTK_TX_WB_DDONE | MTK_TX_DMA_EN | MTK_RX_DMA_EN | |
|---|
| 2256 | + MTK_MULTI_EN | MTK_PDMA_SIZE_8DWORDS, |
|---|
| 2257 | + MTK_PDMA_GLO_CFG); |
|---|
| 2258 | + } |
|---|
| 1807 | 2259 | |
|---|
| 1808 | 2260 | return 0; |
|---|
| 2261 | +} |
|---|
| 2262 | + |
|---|
| 2263 | +static void mtk_gdm_config(struct mtk_eth *eth, u32 config) |
|---|
| 2264 | +{ |
|---|
| 2265 | + int i; |
|---|
| 2266 | + |
|---|
| 2267 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) |
|---|
| 2268 | + return; |
|---|
| 2269 | + |
|---|
| 2270 | + for (i = 0; i < MTK_MAC_COUNT; i++) { |
|---|
| 2271 | + u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); |
|---|
| 2272 | + |
|---|
| 2273 | + /* default setup the forward port to send frame to PDMA */ |
|---|
| 2274 | + val &= ~0xffff; |
|---|
| 2275 | + |
|---|
| 2276 | + /* Enable RX checksum */ |
|---|
| 2277 | + val |= MTK_GDMA_ICS_EN | MTK_GDMA_TCS_EN | MTK_GDMA_UCS_EN; |
|---|
| 2278 | + |
|---|
| 2279 | + val |= config; |
|---|
| 2280 | + |
|---|
| 2281 | + mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i)); |
|---|
| 2282 | + } |
|---|
| 2283 | + /* Reset and enable PSE */ |
|---|
| 2284 | + mtk_w32(eth, RST_GL_PSE, MTK_RST_GL); |
|---|
| 2285 | + mtk_w32(eth, 0, MTK_RST_GL); |
|---|
| 1809 | 2286 | } |
|---|
| 1810 | 2287 | |
|---|
| 1811 | 2288 | static int mtk_open(struct net_device *dev) |
|---|
| 1812 | 2289 | { |
|---|
| 1813 | 2290 | struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 1814 | 2291 | struct mtk_eth *eth = mac->hw; |
|---|
| 2292 | + int err; |
|---|
| 2293 | + |
|---|
| 2294 | + err = phylink_of_phy_connect(mac->phylink, mac->of_node, 0); |
|---|
| 2295 | + if (err) { |
|---|
| 2296 | + netdev_err(dev, "%s: could not attach PHY: %d\n", __func__, |
|---|
| 2297 | + err); |
|---|
| 2298 | + return err; |
|---|
| 2299 | + } |
|---|
| 1815 | 2300 | |
|---|
| 1816 | 2301 | /* we run 2 netdevs on the same dma ring so we only bring it up once */ |
|---|
| 1817 | 2302 | if (!refcount_read(ð->dma_refcnt)) { |
|---|
| 1818 | 2303 | int err = mtk_start_dma(eth); |
|---|
| 1819 | 2304 | |
|---|
| 1820 | 2305 | if (err) |
|---|
| 2306 | + if (err) { |
|---|
| 2307 | + phylink_disconnect_phy(mac->phylink); |
|---|
| 1821 | 2308 | return err; |
|---|
| 2309 | + } |
|---|
| 2310 | + |
|---|
| 2311 | + mtk_gdm_config(eth, MTK_GDMA_TO_PDMA); |
|---|
| 1822 | 2312 | |
|---|
| 1823 | 2313 | napi_enable(ð->tx_napi); |
|---|
| 1824 | 2314 | napi_enable(ð->rx_napi); |
|---|
| .. | .. |
|---|
| 1829 | 2319 | else |
|---|
| 1830 | 2320 | refcount_inc(ð->dma_refcnt); |
|---|
| 1831 | 2321 | |
|---|
| 1832 | | - phy_start(dev->phydev); |
|---|
| 2322 | + phylink_start(mac->phylink); |
|---|
| 1833 | 2323 | netif_start_queue(dev); |
|---|
| 1834 | | - |
|---|
| 1835 | 2324 | return 0; |
|---|
| 1836 | 2325 | } |
|---|
| 1837 | 2326 | |
|---|
| .. | .. |
|---|
| 1863 | 2352 | struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 1864 | 2353 | struct mtk_eth *eth = mac->hw; |
|---|
| 1865 | 2354 | |
|---|
| 2355 | + phylink_stop(mac->phylink); |
|---|
| 2356 | + |
|---|
| 1866 | 2357 | netif_tx_disable(dev); |
|---|
| 1867 | | - phy_stop(dev->phydev); |
|---|
| 2358 | + |
|---|
| 2359 | + phylink_disconnect_phy(mac->phylink); |
|---|
| 1868 | 2360 | |
|---|
| 1869 | 2361 | /* only shutdown DMA if this is the last user */ |
|---|
| 1870 | 2362 | if (!refcount_dec_and_test(ð->dma_refcnt)) |
|---|
| 1871 | 2363 | return 0; |
|---|
| 2364 | + |
|---|
| 2365 | + mtk_gdm_config(eth, MTK_GDMA_DROP_ALL); |
|---|
| 1872 | 2366 | |
|---|
| 1873 | 2367 | mtk_tx_irq_disable(eth, MTK_TX_DONE_INT); |
|---|
| 1874 | 2368 | mtk_rx_irq_disable(eth, MTK_RX_DONE_INT); |
|---|
| 1875 | 2369 | napi_disable(ð->tx_napi); |
|---|
| 1876 | 2370 | napi_disable(ð->rx_napi); |
|---|
| 1877 | 2371 | |
|---|
| 1878 | | - mtk_stop_dma(eth, MTK_QDMA_GLO_CFG); |
|---|
| 2372 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) |
|---|
| 2373 | + mtk_stop_dma(eth, MTK_QDMA_GLO_CFG); |
|---|
| 1879 | 2374 | mtk_stop_dma(eth, MTK_PDMA_GLO_CFG); |
|---|
| 1880 | 2375 | |
|---|
| 1881 | 2376 | mtk_dma_free(eth); |
|---|
| .. | .. |
|---|
| 1937 | 2432 | if (ret) |
|---|
| 1938 | 2433 | goto err_disable_pm; |
|---|
| 1939 | 2434 | |
|---|
| 2435 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { |
|---|
| 2436 | + ret = device_reset(eth->dev); |
|---|
| 2437 | + if (ret) { |
|---|
| 2438 | + dev_err(eth->dev, "MAC reset failed!\n"); |
|---|
| 2439 | + goto err_disable_pm; |
|---|
| 2440 | + } |
|---|
| 2441 | + |
|---|
| 2442 | + /* enable interrupt delay for RX */ |
|---|
| 2443 | + mtk_w32(eth, MTK_PDMA_DELAY_RX_DELAY, MTK_PDMA_DELAY_INT); |
|---|
| 2444 | + |
|---|
| 2445 | + /* disable delay and normal interrupt */ |
|---|
| 2446 | + mtk_tx_irq_disable(eth, ~0); |
|---|
| 2447 | + mtk_rx_irq_disable(eth, ~0); |
|---|
| 2448 | + |
|---|
| 2449 | + return 0; |
|---|
| 2450 | + } |
|---|
| 2451 | + |
|---|
| 2452 | + /* Non-MT7628 handling... */ |
|---|
| 1940 | 2453 | ethsys_reset(eth, RSTCTRL_FE); |
|---|
| 1941 | 2454 | ethsys_reset(eth, RSTCTRL_PPE); |
|---|
| 1942 | | - |
|---|
| 1943 | | - regmap_read(eth->ethsys, ETHSYS_SYSCFG0, &val); |
|---|
| 1944 | | - for (i = 0; i < MTK_MAC_COUNT; i++) { |
|---|
| 1945 | | - if (!eth->mac[i]) |
|---|
| 1946 | | - continue; |
|---|
| 1947 | | - val &= ~SYSCFG0_GE_MODE(SYSCFG0_GE_MASK, eth->mac[i]->id); |
|---|
| 1948 | | - val |= SYSCFG0_GE_MODE(eth->mac[i]->ge_mode, eth->mac[i]->id); |
|---|
| 1949 | | - } |
|---|
| 1950 | | - regmap_write(eth->ethsys, ETHSYS_SYSCFG0, val); |
|---|
| 1951 | 2455 | |
|---|
| 1952 | 2456 | if (eth->pctl) { |
|---|
| 1953 | 2457 | /* Set GE2 driving and slew rate */ |
|---|
| .. | .. |
|---|
| 1961 | 2465 | } |
|---|
| 1962 | 2466 | |
|---|
| 1963 | 2467 | /* Set linkdown as the default for each GMAC. Its own MCR would be set |
|---|
| 1964 | | - * up with the more appropriate value when mtk_phy_link_adjust call is |
|---|
| 1965 | | - * being invoked. |
|---|
| 2468 | + * up with the more appropriate value when mtk_mac_config call is being |
|---|
| 2469 | + * invoked. |
|---|
| 1966 | 2470 | */ |
|---|
| 1967 | 2471 | for (i = 0; i < MTK_MAC_COUNT; i++) |
|---|
| 1968 | | - mtk_w32(eth, 0, MTK_MAC_MCR(i)); |
|---|
| 2472 | + mtk_w32(eth, MAC_MCR_FORCE_LINK_DOWN, MTK_MAC_MCR(i)); |
|---|
| 1969 | 2473 | |
|---|
| 1970 | 2474 | /* Indicates CDM to parse the MTK special tag from CPU |
|---|
| 1971 | 2475 | * which also is working out for untag packets. |
|---|
| .. | .. |
|---|
| 1983 | 2487 | mtk_w32(eth, 0, MTK_QDMA_DELAY_INT); |
|---|
| 1984 | 2488 | mtk_tx_irq_disable(eth, ~0); |
|---|
| 1985 | 2489 | mtk_rx_irq_disable(eth, ~0); |
|---|
| 1986 | | - mtk_w32(eth, RST_GL_PSE, MTK_RST_GL); |
|---|
| 1987 | | - mtk_w32(eth, 0, MTK_RST_GL); |
|---|
| 1988 | 2490 | |
|---|
| 1989 | 2491 | /* FE int grouping */ |
|---|
| 1990 | 2492 | mtk_w32(eth, MTK_TX_DONE_INT, MTK_PDMA_INT_GRP1); |
|---|
| .. | .. |
|---|
| 1992 | 2494 | mtk_w32(eth, MTK_TX_DONE_INT, MTK_QDMA_INT_GRP1); |
|---|
| 1993 | 2495 | mtk_w32(eth, MTK_RX_DONE_INT, MTK_QDMA_INT_GRP2); |
|---|
| 1994 | 2496 | mtk_w32(eth, 0x21021000, MTK_FE_INT_GRP); |
|---|
| 1995 | | - |
|---|
| 1996 | | - for (i = 0; i < 2; i++) { |
|---|
| 1997 | | - u32 val = mtk_r32(eth, MTK_GDMA_FWD_CFG(i)); |
|---|
| 1998 | | - |
|---|
| 1999 | | - /* setup the forward port to send frame to PDMA */ |
|---|
| 2000 | | - val &= ~0xffff; |
|---|
| 2001 | | - |
|---|
| 2002 | | - /* Enable RX checksum */ |
|---|
| 2003 | | - val |= MTK_GDMA_ICS_EN | MTK_GDMA_TCS_EN | MTK_GDMA_UCS_EN; |
|---|
| 2004 | | - |
|---|
| 2005 | | - /* setup the mac dma */ |
|---|
| 2006 | | - mtk_w32(eth, val, MTK_GDMA_FWD_CFG(i)); |
|---|
| 2007 | | - } |
|---|
| 2008 | 2497 | |
|---|
| 2009 | 2498 | return 0; |
|---|
| 2010 | 2499 | |
|---|
| .. | .. |
|---|
| 2035 | 2524 | const char *mac_addr; |
|---|
| 2036 | 2525 | |
|---|
| 2037 | 2526 | mac_addr = of_get_mac_address(mac->of_node); |
|---|
| 2038 | | - if (mac_addr) |
|---|
| 2527 | + if (!IS_ERR(mac_addr)) |
|---|
| 2039 | 2528 | ether_addr_copy(dev->dev_addr, mac_addr); |
|---|
| 2040 | 2529 | |
|---|
| 2041 | 2530 | /* If the mac address is invalid, use random mac address */ |
|---|
| .. | .. |
|---|
| 2045 | 2534 | dev->dev_addr); |
|---|
| 2046 | 2535 | } |
|---|
| 2047 | 2536 | |
|---|
| 2048 | | - return mtk_phy_connect(dev); |
|---|
| 2537 | + return 0; |
|---|
| 2049 | 2538 | } |
|---|
| 2050 | 2539 | |
|---|
| 2051 | 2540 | static void mtk_uninit(struct net_device *dev) |
|---|
| .. | .. |
|---|
| 2053 | 2542 | struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 2054 | 2543 | struct mtk_eth *eth = mac->hw; |
|---|
| 2055 | 2544 | |
|---|
| 2056 | | - phy_disconnect(dev->phydev); |
|---|
| 2057 | | - if (of_phy_is_fixed_link(mac->of_node)) |
|---|
| 2058 | | - of_phy_deregister_fixed_link(mac->of_node); |
|---|
| 2545 | + phylink_disconnect_phy(mac->phylink); |
|---|
| 2059 | 2546 | mtk_tx_irq_disable(eth, ~0); |
|---|
| 2060 | 2547 | mtk_rx_irq_disable(eth, ~0); |
|---|
| 2061 | 2548 | } |
|---|
| 2062 | 2549 | |
|---|
| 2063 | 2550 | static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
|---|
| 2064 | 2551 | { |
|---|
| 2552 | + struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 2553 | + |
|---|
| 2065 | 2554 | switch (cmd) { |
|---|
| 2066 | 2555 | case SIOCGMIIPHY: |
|---|
| 2067 | 2556 | case SIOCGMIIREG: |
|---|
| 2068 | 2557 | case SIOCSMIIREG: |
|---|
| 2069 | | - return phy_mii_ioctl(dev->phydev, ifr, cmd); |
|---|
| 2558 | + return phylink_mii_ioctl(mac->phylink, ifr, cmd); |
|---|
| 2070 | 2559 | default: |
|---|
| 2071 | 2560 | break; |
|---|
| 2072 | 2561 | } |
|---|
| .. | .. |
|---|
| 2106 | 2595 | pinctrl_select_state(eth->dev->pins->p, |
|---|
| 2107 | 2596 | eth->dev->pins->default_state); |
|---|
| 2108 | 2597 | mtk_hw_init(eth); |
|---|
| 2109 | | - |
|---|
| 2110 | | - for (i = 0; i < MTK_MAC_COUNT; i++) { |
|---|
| 2111 | | - if (!eth->mac[i] || |
|---|
| 2112 | | - of_phy_is_fixed_link(eth->mac[i]->of_node)) |
|---|
| 2113 | | - continue; |
|---|
| 2114 | | - err = phy_init_hw(eth->netdev[i]->phydev); |
|---|
| 2115 | | - if (err) |
|---|
| 2116 | | - dev_err(eth->dev, "%s: PHY init failed.\n", |
|---|
| 2117 | | - eth->netdev[i]->name); |
|---|
| 2118 | | - } |
|---|
| 2119 | 2598 | |
|---|
| 2120 | 2599 | /* restart DMA and enable IRQs */ |
|---|
| 2121 | 2600 | for (i = 0; i < MTK_MAC_COUNT; i++) { |
|---|
| .. | .. |
|---|
| 2179 | 2658 | if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) |
|---|
| 2180 | 2659 | return -EBUSY; |
|---|
| 2181 | 2660 | |
|---|
| 2182 | | - phy_ethtool_ksettings_get(ndev->phydev, cmd); |
|---|
| 2183 | | - |
|---|
| 2184 | | - return 0; |
|---|
| 2661 | + return phylink_ethtool_ksettings_get(mac->phylink, cmd); |
|---|
| 2185 | 2662 | } |
|---|
| 2186 | 2663 | |
|---|
| 2187 | 2664 | static int mtk_set_link_ksettings(struct net_device *ndev, |
|---|
| .. | .. |
|---|
| 2192 | 2669 | if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) |
|---|
| 2193 | 2670 | return -EBUSY; |
|---|
| 2194 | 2671 | |
|---|
| 2195 | | - return phy_ethtool_ksettings_set(ndev->phydev, cmd); |
|---|
| 2672 | + return phylink_ethtool_ksettings_set(mac->phylink, cmd); |
|---|
| 2196 | 2673 | } |
|---|
| 2197 | 2674 | |
|---|
| 2198 | 2675 | static void mtk_get_drvinfo(struct net_device *dev, |
|---|
| .. | .. |
|---|
| 2226 | 2703 | if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) |
|---|
| 2227 | 2704 | return -EBUSY; |
|---|
| 2228 | 2705 | |
|---|
| 2229 | | - return genphy_restart_aneg(dev->phydev); |
|---|
| 2230 | | -} |
|---|
| 2706 | + if (!mac->phylink) |
|---|
| 2707 | + return -ENOTSUPP; |
|---|
| 2231 | 2708 | |
|---|
| 2232 | | -static u32 mtk_get_link(struct net_device *dev) |
|---|
| 2233 | | -{ |
|---|
| 2234 | | - struct mtk_mac *mac = netdev_priv(dev); |
|---|
| 2235 | | - int err; |
|---|
| 2236 | | - |
|---|
| 2237 | | - if (unlikely(test_bit(MTK_RESETTING, &mac->hw->state))) |
|---|
| 2238 | | - return -EBUSY; |
|---|
| 2239 | | - |
|---|
| 2240 | | - err = genphy_update_link(dev->phydev); |
|---|
| 2241 | | - if (err) |
|---|
| 2242 | | - return ethtool_op_get_link(dev); |
|---|
| 2243 | | - |
|---|
| 2244 | | - return dev->phydev->link; |
|---|
| 2709 | + return phylink_ethtool_nway_reset(mac->phylink); |
|---|
| 2245 | 2710 | } |
|---|
| 2246 | 2711 | |
|---|
| 2247 | 2712 | static void mtk_get_strings(struct net_device *dev, u32 stringset, u8 *data) |
|---|
| .. | .. |
|---|
| 2361 | 2826 | .get_msglevel = mtk_get_msglevel, |
|---|
| 2362 | 2827 | .set_msglevel = mtk_set_msglevel, |
|---|
| 2363 | 2828 | .nway_reset = mtk_nway_reset, |
|---|
| 2364 | | - .get_link = mtk_get_link, |
|---|
| 2829 | + .get_link = ethtool_op_get_link, |
|---|
| 2365 | 2830 | .get_strings = mtk_get_strings, |
|---|
| 2366 | 2831 | .get_sset_count = mtk_get_sset_count, |
|---|
| 2367 | 2832 | .get_ethtool_stats = mtk_get_ethtool_stats, |
|---|
| .. | .. |
|---|
| 2389 | 2854 | |
|---|
| 2390 | 2855 | static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np) |
|---|
| 2391 | 2856 | { |
|---|
| 2392 | | - struct mtk_mac *mac; |
|---|
| 2393 | 2857 | const __be32 *_id = of_get_property(np, "reg", NULL); |
|---|
| 2858 | + phy_interface_t phy_mode; |
|---|
| 2859 | + struct phylink *phylink; |
|---|
| 2860 | + struct mtk_mac *mac; |
|---|
| 2394 | 2861 | int id, err; |
|---|
| 2395 | 2862 | |
|---|
| 2396 | 2863 | if (!_id) { |
|---|
| .. | .. |
|---|
| 2435 | 2902 | u64_stats_init(&mac->hw_stats->syncp); |
|---|
| 2436 | 2903 | mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET; |
|---|
| 2437 | 2904 | |
|---|
| 2905 | + /* phylink create */ |
|---|
| 2906 | + err = of_get_phy_mode(np, &phy_mode); |
|---|
| 2907 | + if (err) { |
|---|
| 2908 | + dev_err(eth->dev, "incorrect phy-mode\n"); |
|---|
| 2909 | + goto free_netdev; |
|---|
| 2910 | + } |
|---|
| 2911 | + |
|---|
| 2912 | + /* mac config is not set */ |
|---|
| 2913 | + mac->interface = PHY_INTERFACE_MODE_NA; |
|---|
| 2914 | + mac->mode = MLO_AN_PHY; |
|---|
| 2915 | + mac->speed = SPEED_UNKNOWN; |
|---|
| 2916 | + |
|---|
| 2917 | + mac->phylink_config.dev = ð->netdev[id]->dev; |
|---|
| 2918 | + mac->phylink_config.type = PHYLINK_NETDEV; |
|---|
| 2919 | + |
|---|
| 2920 | + phylink = phylink_create(&mac->phylink_config, |
|---|
| 2921 | + of_fwnode_handle(mac->of_node), |
|---|
| 2922 | + phy_mode, &mtk_phylink_ops); |
|---|
| 2923 | + if (IS_ERR(phylink)) { |
|---|
| 2924 | + err = PTR_ERR(phylink); |
|---|
| 2925 | + goto free_netdev; |
|---|
| 2926 | + } |
|---|
| 2927 | + |
|---|
| 2928 | + mac->phylink = phylink; |
|---|
| 2929 | + |
|---|
| 2438 | 2930 | SET_NETDEV_DEV(eth->netdev[id], eth->dev); |
|---|
| 2439 | 2931 | eth->netdev[id]->watchdog_timeo = 5 * HZ; |
|---|
| 2440 | 2932 | eth->netdev[id]->netdev_ops = &mtk_netdev_ops; |
|---|
| 2441 | 2933 | eth->netdev[id]->base_addr = (unsigned long)eth->base; |
|---|
| 2442 | 2934 | |
|---|
| 2443 | | - eth->netdev[id]->hw_features = MTK_HW_FEATURES; |
|---|
| 2935 | + eth->netdev[id]->hw_features = eth->soc->hw_features; |
|---|
| 2444 | 2936 | if (eth->hwlro) |
|---|
| 2445 | 2937 | eth->netdev[id]->hw_features |= NETIF_F_LRO; |
|---|
| 2446 | 2938 | |
|---|
| 2447 | | - eth->netdev[id]->vlan_features = MTK_HW_FEATURES & |
|---|
| 2939 | + eth->netdev[id]->vlan_features = eth->soc->hw_features & |
|---|
| 2448 | 2940 | ~(NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX); |
|---|
| 2449 | | - eth->netdev[id]->features |= MTK_HW_FEATURES; |
|---|
| 2941 | + eth->netdev[id]->features |= eth->soc->hw_features; |
|---|
| 2450 | 2942 | eth->netdev[id]->ethtool_ops = &mtk_ethtool_ops; |
|---|
| 2451 | 2943 | |
|---|
| 2452 | 2944 | eth->netdev[id]->irq = eth->irq[0]; |
|---|
| .. | .. |
|---|
| 2463 | 2955 | |
|---|
| 2464 | 2956 | static int mtk_probe(struct platform_device *pdev) |
|---|
| 2465 | 2957 | { |
|---|
| 2466 | | - struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
|---|
| 2467 | 2958 | struct device_node *mac_np; |
|---|
| 2468 | 2959 | struct mtk_eth *eth; |
|---|
| 2469 | | - int err; |
|---|
| 2470 | | - int i; |
|---|
| 2960 | + int err, i; |
|---|
| 2471 | 2961 | |
|---|
| 2472 | 2962 | eth = devm_kzalloc(&pdev->dev, sizeof(*eth), GFP_KERNEL); |
|---|
| 2473 | 2963 | if (!eth) |
|---|
| .. | .. |
|---|
| 2476 | 2966 | eth->soc = of_device_get_match_data(&pdev->dev); |
|---|
| 2477 | 2967 | |
|---|
| 2478 | 2968 | eth->dev = &pdev->dev; |
|---|
| 2479 | | - eth->base = devm_ioremap_resource(&pdev->dev, res); |
|---|
| 2969 | + eth->base = devm_platform_ioremap_resource(pdev, 0); |
|---|
| 2480 | 2970 | if (IS_ERR(eth->base)) |
|---|
| 2481 | 2971 | return PTR_ERR(eth->base); |
|---|
| 2972 | + |
|---|
| 2973 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_QDMA)) { |
|---|
| 2974 | + eth->tx_int_mask_reg = MTK_QDMA_INT_MASK; |
|---|
| 2975 | + eth->tx_int_status_reg = MTK_QDMA_INT_STATUS; |
|---|
| 2976 | + } else { |
|---|
| 2977 | + eth->tx_int_mask_reg = MTK_PDMA_INT_MASK; |
|---|
| 2978 | + eth->tx_int_status_reg = MTK_PDMA_INT_STATUS; |
|---|
| 2979 | + } |
|---|
| 2980 | + |
|---|
| 2981 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { |
|---|
| 2982 | + eth->rx_dma_l4_valid = RX_DMA_L4_VALID_PDMA; |
|---|
| 2983 | + eth->ip_align = NET_IP_ALIGN; |
|---|
| 2984 | + } else { |
|---|
| 2985 | + eth->rx_dma_l4_valid = RX_DMA_L4_VALID; |
|---|
| 2986 | + } |
|---|
| 2482 | 2987 | |
|---|
| 2483 | 2988 | spin_lock_init(ð->page_lock); |
|---|
| 2484 | 2989 | spin_lock_init(ð->tx_irq_lock); |
|---|
| 2485 | 2990 | spin_lock_init(ð->rx_irq_lock); |
|---|
| 2486 | 2991 | |
|---|
| 2487 | | - eth->ethsys = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, |
|---|
| 2488 | | - "mediatek,ethsys"); |
|---|
| 2489 | | - if (IS_ERR(eth->ethsys)) { |
|---|
| 2490 | | - dev_err(&pdev->dev, "no ethsys regmap found\n"); |
|---|
| 2491 | | - return PTR_ERR(eth->ethsys); |
|---|
| 2992 | + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { |
|---|
| 2993 | + eth->ethsys = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, |
|---|
| 2994 | + "mediatek,ethsys"); |
|---|
| 2995 | + if (IS_ERR(eth->ethsys)) { |
|---|
| 2996 | + dev_err(&pdev->dev, "no ethsys regmap found\n"); |
|---|
| 2997 | + return PTR_ERR(eth->ethsys); |
|---|
| 2998 | + } |
|---|
| 2999 | + } |
|---|
| 3000 | + |
|---|
| 3001 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_INFRA)) { |
|---|
| 3002 | + eth->infra = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, |
|---|
| 3003 | + "mediatek,infracfg"); |
|---|
| 3004 | + if (IS_ERR(eth->infra)) { |
|---|
| 3005 | + dev_err(&pdev->dev, "no infracfg regmap found\n"); |
|---|
| 3006 | + return PTR_ERR(eth->infra); |
|---|
| 3007 | + } |
|---|
| 2492 | 3008 | } |
|---|
| 2493 | 3009 | |
|---|
| 2494 | 3010 | if (MTK_HAS_CAPS(eth->soc->caps, MTK_SGMII)) { |
|---|
| 2495 | | - eth->sgmiisys = |
|---|
| 2496 | | - syscon_regmap_lookup_by_phandle(pdev->dev.of_node, |
|---|
| 2497 | | - "mediatek,sgmiisys"); |
|---|
| 2498 | | - if (IS_ERR(eth->sgmiisys)) { |
|---|
| 2499 | | - dev_err(&pdev->dev, "no sgmiisys regmap found\n"); |
|---|
| 2500 | | - return PTR_ERR(eth->sgmiisys); |
|---|
| 2501 | | - } |
|---|
| 3011 | + eth->sgmii = devm_kzalloc(eth->dev, sizeof(*eth->sgmii), |
|---|
| 3012 | + GFP_KERNEL); |
|---|
| 3013 | + if (!eth->sgmii) |
|---|
| 3014 | + return -ENOMEM; |
|---|
| 3015 | + |
|---|
| 3016 | + err = mtk_sgmii_init(eth->sgmii, pdev->dev.of_node, |
|---|
| 3017 | + eth->soc->ana_rgc3); |
|---|
| 3018 | + |
|---|
| 3019 | + if (err) |
|---|
| 3020 | + return err; |
|---|
| 2502 | 3021 | } |
|---|
| 2503 | 3022 | |
|---|
| 2504 | 3023 | if (eth->soc->required_pctl) { |
|---|
| .. | .. |
|---|
| 2511 | 3030 | } |
|---|
| 2512 | 3031 | |
|---|
| 2513 | 3032 | for (i = 0; i < 3; i++) { |
|---|
| 2514 | | - eth->irq[i] = platform_get_irq(pdev, i); |
|---|
| 3033 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_INT) && i > 0) |
|---|
| 3034 | + eth->irq[i] = eth->irq[0]; |
|---|
| 3035 | + else |
|---|
| 3036 | + eth->irq[i] = platform_get_irq(pdev, i); |
|---|
| 2515 | 3037 | if (eth->irq[i] < 0) { |
|---|
| 2516 | 3038 | dev_err(&pdev->dev, "no IRQ%d resource found\n", i); |
|---|
| 2517 | 3039 | return -ENXIO; |
|---|
| .. | .. |
|---|
| 2550 | 3072 | continue; |
|---|
| 2551 | 3073 | |
|---|
| 2552 | 3074 | err = mtk_add_mac(eth, mac_np); |
|---|
| 2553 | | - if (err) |
|---|
| 3075 | + if (err) { |
|---|
| 3076 | + of_node_put(mac_np); |
|---|
| 2554 | 3077 | goto err_deinit_hw; |
|---|
| 3078 | + } |
|---|
| 2555 | 3079 | } |
|---|
| 2556 | 3080 | |
|---|
| 2557 | | - err = devm_request_irq(eth->dev, eth->irq[1], mtk_handle_irq_tx, 0, |
|---|
| 2558 | | - dev_name(eth->dev), eth); |
|---|
| 3081 | + if (MTK_HAS_CAPS(eth->soc->caps, MTK_SHARED_INT)) { |
|---|
| 3082 | + err = devm_request_irq(eth->dev, eth->irq[0], |
|---|
| 3083 | + mtk_handle_irq, 0, |
|---|
| 3084 | + dev_name(eth->dev), eth); |
|---|
| 3085 | + } else { |
|---|
| 3086 | + err = devm_request_irq(eth->dev, eth->irq[1], |
|---|
| 3087 | + mtk_handle_irq_tx, 0, |
|---|
| 3088 | + dev_name(eth->dev), eth); |
|---|
| 3089 | + if (err) |
|---|
| 3090 | + goto err_free_dev; |
|---|
| 3091 | + |
|---|
| 3092 | + err = devm_request_irq(eth->dev, eth->irq[2], |
|---|
| 3093 | + mtk_handle_irq_rx, 0, |
|---|
| 3094 | + dev_name(eth->dev), eth); |
|---|
| 3095 | + } |
|---|
| 2559 | 3096 | if (err) |
|---|
| 2560 | 3097 | goto err_free_dev; |
|---|
| 2561 | 3098 | |
|---|
| 2562 | | - err = devm_request_irq(eth->dev, eth->irq[2], mtk_handle_irq_rx, 0, |
|---|
| 2563 | | - dev_name(eth->dev), eth); |
|---|
| 2564 | | - if (err) |
|---|
| 2565 | | - goto err_free_dev; |
|---|
| 2566 | | - |
|---|
| 2567 | | - err = mtk_mdio_init(eth); |
|---|
| 2568 | | - if (err) |
|---|
| 2569 | | - goto err_free_dev; |
|---|
| 3099 | + /* No MT7628/88 support yet */ |
|---|
| 3100 | + if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628)) { |
|---|
| 3101 | + err = mtk_mdio_init(eth); |
|---|
| 3102 | + if (err) |
|---|
| 3103 | + goto err_free_dev; |
|---|
| 3104 | + } |
|---|
| 2570 | 3105 | |
|---|
| 2571 | 3106 | for (i = 0; i < MTK_MAX_DEVS; i++) { |
|---|
| 2572 | 3107 | if (!eth->netdev[i]) |
|---|
| .. | .. |
|---|
| 2608 | 3143 | static int mtk_remove(struct platform_device *pdev) |
|---|
| 2609 | 3144 | { |
|---|
| 2610 | 3145 | struct mtk_eth *eth = platform_get_drvdata(pdev); |
|---|
| 3146 | + struct mtk_mac *mac; |
|---|
| 2611 | 3147 | int i; |
|---|
| 2612 | 3148 | |
|---|
| 2613 | 3149 | /* stop all devices to make sure that dma is properly shut down */ |
|---|
| .. | .. |
|---|
| 2615 | 3151 | if (!eth->netdev[i]) |
|---|
| 2616 | 3152 | continue; |
|---|
| 2617 | 3153 | mtk_stop(eth->netdev[i]); |
|---|
| 3154 | + mac = netdev_priv(eth->netdev[i]); |
|---|
| 3155 | + phylink_disconnect_phy(mac->phylink); |
|---|
| 2618 | 3156 | } |
|---|
| 2619 | 3157 | |
|---|
| 2620 | 3158 | mtk_hw_deinit(eth); |
|---|
| .. | .. |
|---|
| 2628 | 3166 | } |
|---|
| 2629 | 3167 | |
|---|
| 2630 | 3168 | static const struct mtk_soc_data mt2701_data = { |
|---|
| 2631 | | - .caps = MTK_GMAC1_TRGMII | MTK_HWLRO, |
|---|
| 3169 | + .caps = MT7623_CAPS | MTK_HWLRO, |
|---|
| 3170 | + .hw_features = MTK_HW_FEATURES, |
|---|
| 2632 | 3171 | .required_clks = MT7623_CLKS_BITMAP, |
|---|
| 2633 | 3172 | .required_pctl = true, |
|---|
| 2634 | 3173 | }; |
|---|
| 2635 | 3174 | |
|---|
| 3175 | +static const struct mtk_soc_data mt7621_data = { |
|---|
| 3176 | + .caps = MT7621_CAPS, |
|---|
| 3177 | + .hw_features = MTK_HW_FEATURES, |
|---|
| 3178 | + .required_clks = MT7621_CLKS_BITMAP, |
|---|
| 3179 | + .required_pctl = false, |
|---|
| 3180 | +}; |
|---|
| 3181 | + |
|---|
| 2636 | 3182 | static const struct mtk_soc_data mt7622_data = { |
|---|
| 2637 | | - .caps = MTK_DUAL_GMAC_SHARED_SGMII | MTK_GMAC1_ESW | MTK_HWLRO, |
|---|
| 3183 | + .ana_rgc3 = 0x2028, |
|---|
| 3184 | + .caps = MT7622_CAPS | MTK_HWLRO, |
|---|
| 3185 | + .hw_features = MTK_HW_FEATURES, |
|---|
| 2638 | 3186 | .required_clks = MT7622_CLKS_BITMAP, |
|---|
| 2639 | 3187 | .required_pctl = false, |
|---|
| 2640 | 3188 | }; |
|---|
| 2641 | 3189 | |
|---|
| 2642 | 3190 | static const struct mtk_soc_data mt7623_data = { |
|---|
| 2643 | | - .caps = MTK_GMAC1_TRGMII | MTK_HWLRO, |
|---|
| 3191 | + .caps = MT7623_CAPS | MTK_HWLRO, |
|---|
| 3192 | + .hw_features = MTK_HW_FEATURES, |
|---|
| 2644 | 3193 | .required_clks = MT7623_CLKS_BITMAP, |
|---|
| 2645 | 3194 | .required_pctl = true, |
|---|
| 2646 | 3195 | }; |
|---|
| 2647 | 3196 | |
|---|
| 3197 | +static const struct mtk_soc_data mt7629_data = { |
|---|
| 3198 | + .ana_rgc3 = 0x128, |
|---|
| 3199 | + .caps = MT7629_CAPS | MTK_HWLRO, |
|---|
| 3200 | + .hw_features = MTK_HW_FEATURES, |
|---|
| 3201 | + .required_clks = MT7629_CLKS_BITMAP, |
|---|
| 3202 | + .required_pctl = false, |
|---|
| 3203 | +}; |
|---|
| 3204 | + |
|---|
| 3205 | +static const struct mtk_soc_data rt5350_data = { |
|---|
| 3206 | + .caps = MT7628_CAPS, |
|---|
| 3207 | + .hw_features = MTK_HW_FEATURES_MT7628, |
|---|
| 3208 | + .required_clks = MT7628_CLKS_BITMAP, |
|---|
| 3209 | + .required_pctl = false, |
|---|
| 3210 | +}; |
|---|
| 3211 | + |
|---|
| 2648 | 3212 | const struct of_device_id of_mtk_match[] = { |
|---|
| 2649 | 3213 | { .compatible = "mediatek,mt2701-eth", .data = &mt2701_data}, |
|---|
| 3214 | + { .compatible = "mediatek,mt7621-eth", .data = &mt7621_data}, |
|---|
| 2650 | 3215 | { .compatible = "mediatek,mt7622-eth", .data = &mt7622_data}, |
|---|
| 2651 | 3216 | { .compatible = "mediatek,mt7623-eth", .data = &mt7623_data}, |
|---|
| 3217 | + { .compatible = "mediatek,mt7629-eth", .data = &mt7629_data}, |
|---|
| 3218 | + { .compatible = "ralink,rt5350-eth", .data = &rt5350_data}, |
|---|
| 2652 | 3219 | {}, |
|---|
| 2653 | 3220 | }; |
|---|
| 2654 | 3221 | MODULE_DEVICE_TABLE(of, of_mtk_match); |
|---|