target/linux/ramips/patches-3.10/0111-NET-MIPS-add-ralink-SoC-ethernet-driver.patch

   1 From ad11aedcc16574c0b3d3f5e40c67227d1846b94e Mon Sep 17 00:00:00 2001
   2 From: John Crispin <blogic@openwrt.org>
   3 Date: Mon, 22 Apr 2013 23:20:03 +0200
   4 Subject: [PATCH 16/33] NET: MIPS: add ralink SoC ethernet driver
   5
   6 Add support for Ralink FE and ESW.
   7
   8 Signed-off-by: John Crispin <blogic@openwrt.org>
   9 ---
  10  .../include/asm/mach-ralink/rt305x_esw_platform.h  |   27 +
  11  arch/mips/ralink/rt305x.c                          |    1 +
  12  drivers/net/ethernet/Kconfig                       |    1 +
  13  drivers/net/ethernet/Makefile                      |    1 +
  14  drivers/net/ethernet/ralink/Kconfig                |   31 +
  15  drivers/net/ethernet/ralink/Makefile               |   18 +
  16  drivers/net/ethernet/ralink/esw_rt3052.c           | 1463 ++++++++++++++++++++
  17  drivers/net/ethernet/ralink/esw_rt3052.h           |   32 +
  18  drivers/net/ethernet/ralink/gsw_mt7620a.c          | 1027 ++++++++++++++
  19  drivers/net/ethernet/ralink/gsw_mt7620a.h          |   29 +
  20  drivers/net/ethernet/ralink/mdio.c                 |  245 ++++
  21  drivers/net/ethernet/ralink/mdio.h                 |   29 +
  22  drivers/net/ethernet/ralink/mdio_rt2880.c          |  232 ++++
  23  drivers/net/ethernet/ralink/mdio_rt2880.h          |   26 +
  24  drivers/net/ethernet/ralink/ralink_soc_eth.c       |  735 ++++++++++
  25  drivers/net/ethernet/ralink/ralink_soc_eth.h       |  374 +++++
  26  drivers/net/ethernet/ralink/soc_mt7620.c           |  111 ++
  27  drivers/net/ethernet/ralink/soc_rt2880.c           |   51 +
  28  drivers/net/ethernet/ralink/soc_rt305x.c           |  113 ++
  29  drivers/net/ethernet/ralink/soc_rt3883.c           |   60 +
  30  20 files changed, 4606 insertions(+)
  31  create mode 100644 arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
  32  create mode 100644 drivers/net/ethernet/ralink/Kconfig
  33  create mode 100644 drivers/net/ethernet/ralink/Makefile
  34  create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.c
  35  create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.h
  36  create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.c
  37  create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.h
  38  create mode 100644 drivers/net/ethernet/ralink/mdio.c
  39  create mode 100644 drivers/net/ethernet/ralink/mdio.h
  40  create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.c
  41  create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.h
  42  create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.c
  43  create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.h
  44  create mode 100644 drivers/net/ethernet/ralink/soc_mt7620.c
  45  create mode 100644 drivers/net/ethernet/ralink/soc_rt2880.c
  46  create mode 100644 drivers/net/ethernet/ralink/soc_rt305x.c
  47  create mode 100644 drivers/net/ethernet/ralink/soc_rt3883.c
  48
  49 Index: linux-3.10.21/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
  50 ===================================================================
  51 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  52 +++ linux-3.10.21/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h       2013-12-09 13:26:42.320125202 +0100
  53 @@ -0,0 +1,27 @@
  54 +/*
  55 + *  Ralink RT305x SoC platform device registration
  56 + *
  57 + *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
  58 + *
  59 + *  This program is free software; you can redistribute it and/or modify it
  60 + *  under the terms of the GNU General Public License version 2 as published
  61 + *  by the Free Software Foundation.
  62 + */
  63 +
  64 +#ifndef _RT305X_ESW_PLATFORM_H
  65 +#define _RT305X_ESW_PLATFORM_H
  66 +
  67 +enum {
  68 +       RT305X_ESW_VLAN_CONFIG_NONE = 0,
  69 +       RT305X_ESW_VLAN_CONFIG_LLLLW,
  70 +       RT305X_ESW_VLAN_CONFIG_WLLLL,
  71 +};
  72 +
  73 +struct rt305x_esw_platform_data
  74 +{
  75 +       u8 vlan_config;
  76 +       u32 reg_initval_fct2;
  77 +       u32 reg_initval_fpa2;
  78 +};
  79 +
  80 +#endif /* _RT305X_ESW_PLATFORM_H */
  81 Index: linux-3.10.21/arch/mips/ralink/rt305x.c
  82 ===================================================================
  83 --- linux-3.10.21.orig/arch/mips/ralink/rt305x.c        2013-11-29 20:12:03.000000000 +0100
  84 +++ linux-3.10.21/arch/mips/ralink/rt305x.c     2013-12-09 14:04:34.200179338 +0100
  85 @@ -221,6 +221,7 @@
  86         }
  87
  88         ralink_clk_add("cpu", cpu_rate);
  89 +       ralink_clk_add("sys", sys_rate);
  90         ralink_clk_add("10000b00.spi", sys_rate);
  91         ralink_clk_add("10000100.timer", wdt_rate);
  92         ralink_clk_add("10000120.watchdog", wdt_rate);
  93 Index: linux-3.10.21/drivers/net/ethernet/Kconfig
  94 ===================================================================
  95 --- linux-3.10.21.orig/drivers/net/ethernet/Kconfig     2013-11-29 20:12:03.000000000 +0100
  96 +++ linux-3.10.21/drivers/net/ethernet/Kconfig  2013-12-09 13:26:42.324125203 +0100
  97 @@ -135,6 +135,7 @@
  98  source "drivers/net/ethernet/packetengines/Kconfig"
  99  source "drivers/net/ethernet/pasemi/Kconfig"
 100  source "drivers/net/ethernet/qlogic/Kconfig"
 101 +source "drivers/net/ethernet/ralink/Kconfig"
 102  source "drivers/net/ethernet/realtek/Kconfig"
 103  source "drivers/net/ethernet/renesas/Kconfig"
 104  source "drivers/net/ethernet/rdc/Kconfig"
 105 Index: linux-3.10.21/drivers/net/ethernet/Makefile
 106 ===================================================================
 107 --- linux-3.10.21.orig/drivers/net/ethernet/Makefile    2013-11-29 20:12:03.000000000 +0100
 108 +++ linux-3.10.21/drivers/net/ethernet/Makefile 2013-12-09 13:26:42.324125203 +0100
 109 @@ -53,6 +53,7 @@
 110  obj-$(CONFIG_NET_PACKET_ENGINE) += packetengines/
 111  obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
 112  obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/
 113 +obj-$(CONFIG_NET_RALINK) += ralink/
 114  obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/
 115  obj-$(CONFIG_SH_ETH) += renesas/
 116  obj-$(CONFIG_NET_VENDOR_RDC) += rdc/
 117 Index: linux-3.10.21/drivers/net/ethernet/ralink/Kconfig
 118 ===================================================================
 119 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 120 +++ linux-3.10.21/drivers/net/ethernet/ralink/Kconfig   2013-12-09 13:26:42.324125203 +0100
 121 @@ -0,0 +1,32 @@
 122 +config NET_RALINK
 123 +       tristate "Ralink RT288X/RT3X5X/RT3662/RT3883/MT7620 ethernet driver"
 124 +       depends on RALINK
 125 +       help
 126 +         This driver supports the ethernet mac inside the ralink wisocs
 127 +
 128 +if NET_RALINK
 129 +
 130 +config NET_RALINK_MDIO
 131 +       def_bool NET_RALINK
 132 +       depends on (SOC_RT288X || SOC_RT3883 || SOC_MT7620)
 133 +       select PHYLIB
 134 +
 135 +config NET_RALINK_MDIO_RT2880
 136 +       def_bool NET_RALINK
 137 +       depends on (SOC_RT288X || SOC_RT3883)
 138 +       select NET_RALINK_MDIO
 139 +
 140 +config NET_RALINK_ESW_RT3052
 141 +       def_bool NET_RALINK
 142 +       depends on SOC_RT305X
 143 +       select PHYLIB
 144 +       select SWCONFIG
 145 +
 146 +config NET_RALINK_GSW_MT7620
 147 +       def_bool NET_RALINK
 148 +       depends on SOC_MT7620
 149 +       select INET_LRO
 150 +       select NET_RALINK_MDIO
 151 +       select PHYLIB
 152 +       select SWCONFIG
 153 +endif
 154 Index: linux-3.10.21/drivers/net/ethernet/ralink/Makefile
 155 ===================================================================
 156 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 157 +++ linux-3.10.21/drivers/net/ethernet/ralink/Makefile  2013-12-09 13:26:42.324125203 +0100
 158 @@ -0,0 +1,18 @@
 159 +#
 160 +# Makefile for the Ralink SoCs built-in ethernet macs
 161 +#
 162 +
 163 +ralink-eth-y                                   += ralink_soc_eth.o
 164 +
 165 +ralink-eth-$(CONFIG_NET_RALINK_MDIO)           += mdio.o
 166 +ralink-eth-$(CONFIG_NET_RALINK_MDIO_RT2880)    += mdio_rt2880.o
 167 +
 168 +ralink-eth-$(CONFIG_NET_RALINK_ESW_RT3052)     += esw_rt3052.o
 169 +ralink-eth-$(CONFIG_NET_RALINK_GSW_MT7620)     += gsw_mt7620a.o mt7530.o
 170 +
 171 +ralink-eth-$(CONFIG_SOC_RT288X)                        += soc_rt2880.o
 172 +ralink-eth-$(CONFIG_SOC_RT305X)                        += soc_rt305x.o
 173 +ralink-eth-$(CONFIG_SOC_RT3883)                        += soc_rt3883.o
 174 +ralink-eth-$(CONFIG_SOC_MT7620)                        += soc_mt7620.o
 175 +
 176 +obj-$(CONFIG_NET_RALINK)                       += ralink-eth.o
 177 Index: linux-3.10.21/drivers/net/ethernet/ralink/esw_rt3052.c
 178 ===================================================================
 179 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
 180 +++ linux-3.10.21/drivers/net/ethernet/ralink/esw_rt3052.c      2013-12-09 13:26:42.328125203 +0100
 181 @@ -0,0 +1,1463 @@
 182 +/*
 183 + *   This program is free software; you can redistribute it and/or modify
 184 + *   it under the terms of the GNU General Public License as published by
 185 + *   the Free Software Foundation; version 2 of the License
 186 + *
 187 + *   This program is distributed in the hope that it will be useful,
 188 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 189 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 190 + *   GNU General Public License for more details.
 191 + *
 192 + *   You should have received a copy of the GNU General Public License
 193 + *   along with this program; if not, write to the Free Software
 194 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 195 + *
 196 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
 197 + */
 198 +
 199 +#include <linux/module.h>
 200 +#include <linux/kernel.h>
 201 +#include <linux/types.h>
 202 +#include <linux/dma-mapping.h>
 203 +#include <linux/init.h>
 204 +#include <linux/skbuff.h>
 205 +#include <linux/etherdevice.h>
 206 +#include <linux/ethtool.h>
 207 +#include <linux/platform_device.h>
 208 +#include <linux/of_device.h>
 209 +#include <linux/clk.h>
 210 +#include <linux/of_net.h>
 211 +#include <linux/of_mdio.h>
 212 +
 213 +#include <asm/mach-ralink/ralink_regs.h>
 214 +
 215 +#include "ralink_soc_eth.h"
 216 +
 217 +#include <linux/ioport.h>
 218 +#include <linux/switch.h>
 219 +#include <linux/mii.h>
 220 +
 221 +#include <ralink_regs.h>
 222 +#include <asm/mach-ralink/rt305x.h>
 223 +#include <asm/mach-ralink/rt305x_esw_platform.h>
 224 +
 225 +/*
 226 + * HW limitations for this switch:
 227 + * - No large frame support (PKT_MAX_LEN at most 1536)
 228 + * - Can't have untagged vlan and tagged vlan on one port at the same time,
 229 + *   though this might be possible using the undocumented PPE.
 230 + */
 231 +
 232 +#define RT305X_ESW_REG_ISR             0x00
 233 +#define RT305X_ESW_REG_IMR             0x04
 234 +#define RT305X_ESW_REG_FCT0            0x08
 235 +#define RT305X_ESW_REG_PFC1            0x14
 236 +#define RT305X_ESW_REG_ATS             0x24
 237 +#define RT305X_ESW_REG_ATS0            0x28
 238 +#define RT305X_ESW_REG_ATS1            0x2c
 239 +#define RT305X_ESW_REG_ATS2            0x30
 240 +#define RT305X_ESW_REG_PVIDC(_n)       (0x40 + 4 * (_n))
 241 +#define RT305X_ESW_REG_VLANI(_n)       (0x50 + 4 * (_n))
 242 +#define RT305X_ESW_REG_VMSC(_n)                (0x70 + 4 * (_n))
 243 +#define RT305X_ESW_REG_POA             0x80
 244 +#define RT305X_ESW_REG_FPA             0x84
 245 +#define RT305X_ESW_REG_SOCPC           0x8c
 246 +#define RT305X_ESW_REG_POC0            0x90
 247 +#define RT305X_ESW_REG_POC1            0x94
 248 +#define RT305X_ESW_REG_POC2            0x98
 249 +#define RT305X_ESW_REG_SGC             0x9c
 250 +#define RT305X_ESW_REG_STRT            0xa0
 251 +#define RT305X_ESW_REG_PCR0            0xc0
 252 +#define RT305X_ESW_REG_PCR1            0xc4
 253 +#define RT305X_ESW_REG_FPA2            0xc8
 254 +#define RT305X_ESW_REG_FCT2            0xcc
 255 +#define RT305X_ESW_REG_SGC2            0xe4
 256 +#define RT305X_ESW_REG_P0LED           0xa4
 257 +#define RT305X_ESW_REG_P1LED           0xa8
 258 +#define RT305X_ESW_REG_P2LED           0xac
 259 +#define RT305X_ESW_REG_P3LED           0xb0
 260 +#define RT305X_ESW_REG_P4LED           0xb4
 261 +#define RT305X_ESW_REG_PXPC(_x)                (0xe8 + (4 * _x))
 262 +#define RT305X_ESW_REG_P1PC            0xec
 263 +#define RT305X_ESW_REG_P2PC            0xf0
 264 +#define RT305X_ESW_REG_P3PC            0xf4
 265 +#define RT305X_ESW_REG_P4PC            0xf8
 266 +#define RT305X_ESW_REG_P5PC            0xfc
 267 +
 268 +#define RT305X_ESW_LED_LINK            0
 269 +#define RT305X_ESW_LED_100M            1
 270 +#define RT305X_ESW_LED_DUPLEX          2
 271 +#define RT305X_ESW_LED_ACTIVITY                3
 272 +#define RT305X_ESW_LED_COLLISION       4
 273 +#define RT305X_ESW_LED_LINKACT         5
 274 +#define RT305X_ESW_LED_DUPLCOLL                6
 275 +#define RT305X_ESW_LED_10MACT          7
 276 +#define RT305X_ESW_LED_100MACT         8
 277 +/* Additional led states not in datasheet: */
 278 +#define RT305X_ESW_LED_BLINK           10
 279 +#define RT305X_ESW_LED_ON              12
 280 +
 281 +#define RT305X_ESW_LINK_S              25
 282 +#define RT305X_ESW_DUPLEX_S            9
 283 +#define RT305X_ESW_SPD_S               0
 284 +
 285 +#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16
 286 +#define RT305X_ESW_PCR0_WT_PHY_CMD     BIT(13)
 287 +#define RT305X_ESW_PCR0_CPU_PHY_REG_S  8
 288 +
 289 +#define RT305X_ESW_PCR1_WT_DONE                BIT(0)
 290 +
 291 +#define RT305X_ESW_ATS_TIMEOUT         (5 * HZ)
 292 +#define RT305X_ESW_PHY_TIMEOUT         (5 * HZ)
 293 +
 294 +#define RT305X_ESW_PVIDC_PVID_M                0xfff
 295 +#define RT305X_ESW_PVIDC_PVID_S                12
 296 +
 297 +#define RT305X_ESW_VLANI_VID_M         0xfff
 298 +#define RT305X_ESW_VLANI_VID_S         12
 299 +
 300 +#define RT305X_ESW_VMSC_MSC_M          0xff
 301 +#define RT305X_ESW_VMSC_MSC_S          8
 302 +
 303 +#define RT305X_ESW_SOCPC_DISUN2CPU_S   0
 304 +#define RT305X_ESW_SOCPC_DISMC2CPU_S   8
 305 +#define RT305X_ESW_SOCPC_DISBC2CPU_S   16
 306 +#define RT305X_ESW_SOCPC_CRC_PADDING   BIT(25)
 307 +
 308 +#define RT305X_ESW_POC0_EN_BP_S                0
 309 +#define RT305X_ESW_POC0_EN_FC_S                8
 310 +#define RT305X_ESW_POC0_DIS_RMC2CPU_S  16
 311 +#define RT305X_ESW_POC0_DIS_PORT_M     0x7f
 312 +#define RT305X_ESW_POC0_DIS_PORT_S     23
 313 +
 314 +#define RT305X_ESW_POC2_UNTAG_EN_M     0xff
 315 +#define RT305X_ESW_POC2_UNTAG_EN_S     0
 316 +#define RT305X_ESW_POC2_ENAGING_S      8
 317 +#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16
 318 +
 319 +#define RT305X_ESW_SGC2_DOUBLE_TAG_M   0x7f
 320 +#define RT305X_ESW_SGC2_DOUBLE_TAG_S   0
 321 +#define RT305X_ESW_SGC2_LAN_PMAP_M     0x3f
 322 +#define RT305X_ESW_SGC2_LAN_PMAP_S     24
 323 +
 324 +#define RT305X_ESW_PFC1_EN_VLAN_M      0xff
 325 +#define RT305X_ESW_PFC1_EN_VLAN_S      16
 326 +#define RT305X_ESW_PFC1_EN_TOS_S       24
 327 +
 328 +#define RT305X_ESW_VLAN_NONE           0xfff
 329 +
 330 +#define RT305X_ESW_GSC_BC_STROM_MASK   0x3
 331 +#define RT305X_ESW_GSC_BC_STROM_SHIFT  4
 332 +
 333 +#define RT305X_ESW_GSC_LED_FREQ_MASK   0x3
 334 +#define RT305X_ESW_GSC_LED_FREQ_SHIFT  23
 335 +
 336 +#define RT305X_ESW_POA_LINK_MASK       0x1f
 337 +#define RT305X_ESW_POA_LINK_SHIFT      25
 338 +
 339 +#define RT305X_ESW_PORT_ST_CHG         BIT(26)
 340 +#define RT305X_ESW_PORT0               0
 341 +#define RT305X_ESW_PORT1               1
 342 +#define RT305X_ESW_PORT2               2
 343 +#define RT305X_ESW_PORT3               3
 344 +#define RT305X_ESW_PORT4               4
 345 +#define RT305X_ESW_PORT5               5
 346 +#define RT305X_ESW_PORT6               6
 347 +
 348 +#define RT305X_ESW_PORTS_NONE          0
 349 +
 350 +#define RT305X_ESW_PMAP_LLLLLL         0x3f
 351 +#define RT305X_ESW_PMAP_LLLLWL         0x2f
 352 +#define RT305X_ESW_PMAP_WLLLLL         0x3e
 353 +
 354 +#define RT305X_ESW_PORTS_INTERNAL                                      \
 355 +               (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) |        \
 356 +                BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) |        \
 357 +                BIT(RT305X_ESW_PORT4))
 358 +
 359 +#define RT305X_ESW_PORTS_NOCPU                                         \
 360 +               (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
 361 +
 362 +#define RT305X_ESW_PORTS_CPU   BIT(RT305X_ESW_PORT6)
 363 +
 364 +#define RT305X_ESW_PORTS_ALL                                           \
 365 +               (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
 366 +
 367 +#define RT305X_ESW_NUM_VLANS           16
 368 +#define RT305X_ESW_NUM_VIDS            4096
 369 +#define RT305X_ESW_NUM_PORTS           7
 370 +#define RT305X_ESW_NUM_LANWAN          6
 371 +#define RT305X_ESW_NUM_LEDS            5
 372 +
 373 +#define RT5350_ESW_REG_PXTPC(_x)       (0x150 + (4 * _x))
 374 +#define RT5350_EWS_REG_LED_POLARITY    0x168
 375 +#define RT5350_RESET_EPHY              BIT(24)
 376 +#define SYSC_REG_RESET_CTRL            0x34
 377 +
 378 +enum {
 379 +       /* Global attributes. */
 380 +       RT305X_ESW_ATTR_ENABLE_VLAN,
 381 +       RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
 382 +       RT305X_ESW_ATTR_BC_STATUS,
 383 +       RT305X_ESW_ATTR_LED_FREQ,
 384 +       /* Port attributes. */
 385 +       RT305X_ESW_ATTR_PORT_DISABLE,
 386 +       RT305X_ESW_ATTR_PORT_DOUBLETAG,
 387 +       RT305X_ESW_ATTR_PORT_UNTAG,
 388 +       RT305X_ESW_ATTR_PORT_LED,
 389 +       RT305X_ESW_ATTR_PORT_LAN,
 390 +       RT305X_ESW_ATTR_PORT_RECV_BAD,
 391 +       RT305X_ESW_ATTR_PORT_RECV_GOOD,
 392 +       RT5350_ESW_ATTR_PORT_TR_BAD,
 393 +       RT5350_ESW_ATTR_PORT_TR_GOOD,
 394 +};
 395 +
 396 +struct esw_port {
 397 +       bool    disable;
 398 +       bool    doubletag;
 399 +       bool    untag;
 400 +       u8      led;
 401 +       u16     pvid;
 402 +};
 403 +
 404 +struct esw_vlan {
 405 +       u8      ports;
 406 +       u16     vid;
 407 +};
 408 +
 409 +struct rt305x_esw {
 410 +       struct device           *dev;
 411 +       void __iomem            *base;
 412 +       int                     irq;
 413 +       const struct rt305x_esw_platform_data *pdata;
 414 +       /* Protects against concurrent register rmw operations. */
 415 +       spinlock_t              reg_rw_lock;
 416 +
 417 +       unsigned char           port_map;
 418 +       unsigned int            reg_initval_fct2;
 419 +       unsigned int            reg_initval_fpa2;
 420 +       unsigned int            reg_led_polarity;
 421 +
 422 +
 423 +       struct switch_dev       swdev;
 424 +       bool                    global_vlan_enable;
 425 +       bool                    alt_vlan_disable;
 426 +       int                     bc_storm_protect;
 427 +       int                     led_frequency;
 428 +       struct esw_vlan vlans[RT305X_ESW_NUM_VLANS];
 429 +       struct esw_port ports[RT305X_ESW_NUM_PORTS];
 430 +
 431 +};
 432 +
 433 +static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg)
 434 +{
 435 +       __raw_writel(val, esw->base + reg);
 436 +}
 437 +
 438 +static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg)
 439 +{
 440 +       return __raw_readl(esw->base + reg);
 441 +}
 442 +
 443 +static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
 444 +                  unsigned long val)
 445 +{
 446 +       unsigned long t;
 447 +
 448 +       t = __raw_readl(esw->base + reg) & ~mask;
 449 +       __raw_writel(t | val, esw->base + reg);
 450 +}
 451 +
 452 +static void esw_rmw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
 453 +              unsigned long val)
 454 +{
 455 +       unsigned long flags;
 456 +
 457 +       spin_lock_irqsave(&esw->reg_rw_lock, flags);
 458 +       esw_rmw_raw(esw, reg, mask, val);
 459 +       spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
 460 +}
 461 +
 462 +static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register,
 463 +                u32 write_data)
 464 +{
 465 +       unsigned long t_start = jiffies;
 466 +       int ret = 0;
 467 +
 468 +       while (1) {
 469 +               if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) &
 470 +                     RT305X_ESW_PCR1_WT_DONE))
 471 +                       break;
 472 +               if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
 473 +                       ret = 1;
 474 +                       goto out;
 475 +               }
 476 +       }
 477 +
 478 +       write_data &= 0xffff;
 479 +       esw_w32(esw,
 480 +                     (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
 481 +                     (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
 482 +                     (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
 483 +                     RT305X_ESW_REG_PCR0);
 484 +
 485 +       t_start = jiffies;
 486 +       while (1) {
 487 +               if (esw_r32(esw, RT305X_ESW_REG_PCR1) &
 488 +                   RT305X_ESW_PCR1_WT_DONE)
 489 +                       break;
 490 +
 491 +               if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
 492 +                       ret = 1;
 493 +                       break;
 494 +               }
 495 +       }
 496 +out:
 497 +       if (ret)
 498 +               printk(KERN_ERR "ramips_eth: MDIO timeout\n");
 499 +       return ret;
 500 +}
 501 +
 502 +static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan)
 503 +{
 504 +       unsigned s;
 505 +       unsigned val;
 506 +
 507 +       s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
 508 +       val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2));
 509 +       val = (val >> s) & RT305X_ESW_VLANI_VID_M;
 510 +
 511 +       return val;
 512 +}
 513 +
 514 +static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
 515 +{
 516 +       unsigned s;
 517 +
 518 +       s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
 519 +       esw_rmw(esw,
 520 +                      RT305X_ESW_REG_VLANI(vlan / 2),
 521 +                      RT305X_ESW_VLANI_VID_M << s,
 522 +                      (vid & RT305X_ESW_VLANI_VID_M) << s);
 523 +}
 524 +
 525 +static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port)
 526 +{
 527 +       unsigned s, val;
 528 +
 529 +       s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
 530 +       val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2));
 531 +       return (val >> s) & RT305X_ESW_PVIDC_PVID_M;
 532 +}
 533 +
 534 +static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
 535 +{
 536 +       unsigned s;
 537 +
 538 +       s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
 539 +       esw_rmw(esw,
 540 +                      RT305X_ESW_REG_PVIDC(port / 2),
 541 +                      RT305X_ESW_PVIDC_PVID_M << s,
 542 +                      (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
 543 +}
 544 +
 545 +static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan)
 546 +{
 547 +       unsigned s, val;
 548 +
 549 +       s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
 550 +       val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4));
 551 +       val = (val >> s) & RT305X_ESW_VMSC_MSC_M;
 552 +
 553 +       return val;
 554 +}
 555 +
 556 +static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
 557 +{
 558 +       unsigned s;
 559 +
 560 +       s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
 561 +       esw_rmw(esw,
 562 +                      RT305X_ESW_REG_VMSC(vlan / 4),
 563 +                      RT305X_ESW_VMSC_MSC_M << s,
 564 +                      (msc & RT305X_ESW_VMSC_MSC_M) << s);
 565 +}
 566 +
 567 +static unsigned esw_get_port_disable(struct rt305x_esw *esw)
 568 +{
 569 +       unsigned reg;
 570 +       reg = esw_r32(esw, RT305X_ESW_REG_POC0);
 571 +       return (reg >> RT305X_ESW_POC0_DIS_PORT_S) &
 572 +              RT305X_ESW_POC0_DIS_PORT_M;
 573 +}
 574 +
 575 +static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask)
 576 +{
 577 +       unsigned old_mask;
 578 +       unsigned enable_mask;
 579 +       unsigned changed;
 580 +       int i;
 581 +
 582 +       old_mask = esw_get_port_disable(esw);
 583 +       changed = old_mask ^ disable_mask;
 584 +       enable_mask = old_mask & disable_mask;
 585 +
 586 +       /* enable before writing to MII */
 587 +       esw_rmw(esw, RT305X_ESW_REG_POC0,
 588 +                      (RT305X_ESW_POC0_DIS_PORT_M <<
 589 +                       RT305X_ESW_POC0_DIS_PORT_S),
 590 +                      enable_mask << RT305X_ESW_POC0_DIS_PORT_S);
 591 +
 592 +       for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) {
 593 +               if (!(changed & (1 << i)))
 594 +                       continue;
 595 +               if (disable_mask & (1 << i)) {
 596 +                       /* disable */
 597 +                       rt305x_mii_write(esw, i, MII_BMCR,
 598 +                                        BMCR_PDOWN);
 599 +               } else {
 600 +                       /* enable */
 601 +                       rt305x_mii_write(esw, i, MII_BMCR,
 602 +                                        BMCR_FULLDPLX |
 603 +                                        BMCR_ANENABLE |
 604 +                                        BMCR_ANRESTART |
 605 +                                        BMCR_SPEED100);
 606 +               }
 607 +       }
 608 +
 609 +       /* disable after writing to MII */
 610 +       esw_rmw(esw, RT305X_ESW_REG_POC0,
 611 +                      (RT305X_ESW_POC0_DIS_PORT_M <<
 612 +                       RT305X_ESW_POC0_DIS_PORT_S),
 613 +                      disable_mask << RT305X_ESW_POC0_DIS_PORT_S);
 614 +}
 615 +
 616 +static void esw_set_gsc(struct rt305x_esw *esw)
 617 +{
 618 +       esw_rmw(esw, RT305X_ESW_REG_SGC,
 619 +               RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT,
 620 +               esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT);
 621 +       esw_rmw(esw, RT305X_ESW_REG_SGC,
 622 +               RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT,
 623 +               esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT);
 624 +}
 625 +
 626 +static int esw_apply_config(struct switch_dev *dev);
 627 +
 628 +static void esw_hw_init(struct rt305x_esw *esw)
 629 +{
 630 +       int i;
 631 +       u8 port_disable = 0;
 632 +       u8 port_map = RT305X_ESW_PMAP_LLLLLL;
 633 +
 634 +       /* vodoo from original driver */
 635 +       esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
 636 +       esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2);
 637 +       /* Port priority 1 for all ports, vlan enabled. */
 638 +       esw_w32(esw, 0x00005555 |
 639 +                     (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S),
 640 +                     RT305X_ESW_REG_PFC1);
 641 +
 642 +       /* Enable Back Pressure, and Flow Control */
 643 +       esw_w32(esw,
 644 +                     ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) |
 645 +                      (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)),
 646 +                     RT305X_ESW_REG_POC0);
 647 +
 648 +       /* Enable Aging, and VLAN TAG removal */
 649 +       esw_w32(esw,
 650 +                     ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) |
 651 +                      (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
 652 +                     RT305X_ESW_REG_POC2);
 653 +
 654 +       if (esw->reg_initval_fct2)
 655 +               esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2);
 656 +       else
 657 +               esw_w32(esw, esw->pdata->reg_initval_fct2, RT305X_ESW_REG_FCT2);
 658 +
 659 +       /*
 660 +        * 300s aging timer, max packet len 1536, broadcast storm prevention
 661 +        * disabled, disable collision abort, mac xor48 hash, 10 packet back
 662 +        * pressure jam, GMII disable was_transmit, back pressure disabled,
 663 +        * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all
 664 +        * ports.
 665 +        */
 666 +       esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC);
 667 +
 668 +       /* Setup SoC Port control register */
 669 +       esw_w32(esw,
 670 +                     (RT305X_ESW_SOCPC_CRC_PADDING |
 671 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
 672 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
 673 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
 674 +                     RT305X_ESW_REG_SOCPC);
 675 +
 676 +       if (esw->reg_initval_fpa2)
 677 +               esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
 678 +       else
 679 +               esw_w32(esw, esw->pdata->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
 680 +       esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA);
 681 +
 682 +       /* Force Link/Activity on ports */
 683 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED);
 684 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED);
 685 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED);
 686 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED);
 687 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED);
 688 +
 689 +       /* Copy disabled port configuration from bootloader setup */
 690 +       port_disable = esw_get_port_disable(esw);
 691 +       for (i = 0; i < 6; i++)
 692 +               esw->ports[i].disable = (port_disable & (1 << i)) != 0;
 693 +
 694 +       if (soc_is_rt3352()) {
 695 +               /* reset EPHY */
 696 +               u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
 697 +               rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
 698 +               rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
 699 +
 700 +               rt305x_mii_write(esw, 0, 31, 0x8000);
 701 +               for (i = 0; i < 5; i++) {
 702 +                       if (esw->ports[i].disable) {
 703 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
 704 +                       } else {
 705 +                               rt305x_mii_write(esw, i, MII_BMCR,
 706 +                                        BMCR_FULLDPLX |
 707 +                                        BMCR_ANENABLE |
 708 +                                        BMCR_SPEED100);
 709 +                       }
 710 +                       /* TX10 waveform coefficient LSB=0 disable PHY */
 711 +                       rt305x_mii_write(esw, i, 26, 0x1601);
 712 +                       /* TX100/TX10 AD/DA current bias */
 713 +                       rt305x_mii_write(esw, i, 29, 0x7016);
 714 +                       /* TX100 slew rate control */
 715 +                       rt305x_mii_write(esw, i, 30, 0x0038);
 716 +               }
 717 +
 718 +               /* select global register */
 719 +               rt305x_mii_write(esw, 0, 31, 0x0);
 720 +               /* enlarge agcsel threshold 3 and threshold 2 */
 721 +               rt305x_mii_write(esw, 0, 1, 0x4a40);
 722 +               /* enlarge agcsel threshold 5 and threshold 4 */
 723 +               rt305x_mii_write(esw, 0, 2, 0x6254);
 724 +               /* enlarge agcsel threshold  */
 725 +               rt305x_mii_write(esw, 0, 3, 0xa17f);
 726 +               rt305x_mii_write(esw, 0,12, 0x7eaa);
 727 +               /* longer TP_IDL tail length */
 728 +               rt305x_mii_write(esw, 0, 14, 0x65);
 729 +               /* increased squelch pulse count threshold. */
 730 +               rt305x_mii_write(esw, 0, 16, 0x0684);
 731 +               /* set TX10 signal amplitude threshold to minimum */
 732 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
 733 +               /* set squelch amplitude to higher threshold */
 734 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
 735 +               /* tune TP_IDL tail and head waveform, enable power down slew rate control */
 736 +               rt305x_mii_write(esw, 0, 22, 0x253f);
 737 +               /* set PLL/Receive bias current are calibrated */
 738 +               rt305x_mii_write(esw, 0, 27, 0x2fda);
 739 +               /* change PLL/Receive bias current to internal(RT3350) */
 740 +               rt305x_mii_write(esw, 0, 28, 0xc410);
 741 +               /* change PLL bias current to internal(RT3052_MP3) */
 742 +               rt305x_mii_write(esw, 0, 29, 0x598b);
 743 +               /* select local register */
 744 +               rt305x_mii_write(esw, 0, 31, 0x8000);
 745 +       } else if (soc_is_rt5350()) {
 746 +               /* reset EPHY */
 747 +               u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
 748 +               rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
 749 +               rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
 750 +
 751 +               /* set the led polarity */
 752 +               esw_w32(esw, esw->reg_led_polarity & 0x1F, RT5350_EWS_REG_LED_POLARITY);
 753 +
 754 +               /* local registers */
 755 +               rt305x_mii_write(esw, 0, 31, 0x8000);
 756 +               for (i = 0; i < 5; i++) {
 757 +                       if (esw->ports[i].disable) {
 758 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
 759 +                       } else {
 760 +                               rt305x_mii_write(esw, i, MII_BMCR,
 761 +                                        BMCR_FULLDPLX |
 762 +                                        BMCR_ANENABLE |
 763 +                                        BMCR_SPEED100);
 764 +                       }
 765 +                       /* TX10 waveform coefficient LSB=0 disable PHY */
 766 +                       rt305x_mii_write(esw, i, 26, 0x1601);
 767 +                       /* TX100/TX10 AD/DA current bias */
 768 +                       rt305x_mii_write(esw, i, 29, 0x7015);
 769 +                       /* TX100 slew rate control */
 770 +                       rt305x_mii_write(esw, i, 30, 0x0038);
 771 +               }
 772 +
 773 +               /* global registers */
 774 +               rt305x_mii_write(esw, 0, 31, 0x0);
 775 +               /* enlarge agcsel threshold 3 and threshold 2 */
 776 +               rt305x_mii_write(esw, 0, 1, 0x4a40);
 777 +               /* enlarge agcsel threshold 5 and threshold 4 */
 778 +               rt305x_mii_write(esw, 0, 2, 0x6254);
 779 +               /* enlarge agcsel threshold 6 */
 780 +               rt305x_mii_write(esw, 0, 3, 0xa17f);
 781 +               rt305x_mii_write(esw, 0, 12, 0x7eaa);
 782 +               /* longer TP_IDL tail length */
 783 +               rt305x_mii_write(esw, 0, 14, 0x65);
 784 +               /* increased squelch pulse count threshold. */
 785 +               rt305x_mii_write(esw, 0, 16, 0x0684);
 786 +               /* set TX10 signal amplitude threshold to minimum */
 787 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
 788 +               /* set squelch amplitude to higher threshold */
 789 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
 790 +               /* tune TP_IDL tail and head waveform, enable power down slew rate control */
 791 +               rt305x_mii_write(esw, 0, 22, 0x253f);
 792 +               /* set PLL/Receive bias current are calibrated */
 793 +               rt305x_mii_write(esw, 0, 27, 0x2fda);
 794 +               /* change PLL/Receive bias current to internal(RT3350) */
 795 +               rt305x_mii_write(esw, 0, 28, 0xc410);
 796 +               /* change PLL bias current to internal(RT3052_MP3) */
 797 +               rt305x_mii_write(esw, 0, 29, 0x598b);
 798 +               /* select local register */
 799 +               rt305x_mii_write(esw, 0, 31, 0x8000);
 800 +       } else {
 801 +               rt305x_mii_write(esw, 0, 31, 0x8000);
 802 +               for (i = 0; i < 5; i++) {
 803 +                       if (esw->ports[i].disable) {
 804 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
 805 +                       } else {
 806 +                               rt305x_mii_write(esw, i, MII_BMCR,
 807 +                                        BMCR_FULLDPLX |
 808 +                                        BMCR_ANENABLE |
 809 +                                        BMCR_SPEED100);
 810 +                       }
 811 +                       /* TX10 waveform coefficient */
 812 +                       rt305x_mii_write(esw, i, 26, 0x1601);
 813 +                       /* TX100/TX10 AD/DA current bias */
 814 +                       rt305x_mii_write(esw, i, 29, 0x7058);
 815 +                       /* TX100 slew rate control */
 816 +                       rt305x_mii_write(esw, i, 30, 0x0018);
 817 +               }
 818 +
 819 +               /* PHY IOT */
 820 +               /* select global register */
 821 +               rt305x_mii_write(esw, 0, 31, 0x0);
 822 +               /* tune TP_IDL tail and head waveform */
 823 +               rt305x_mii_write(esw, 0, 22, 0x052f);
 824 +               /* set TX10 signal amplitude threshold to minimum */
 825 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
 826 +               /* set squelch amplitude to higher threshold */
 827 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
 828 +               /* longer TP_IDL tail length */
 829 +               rt305x_mii_write(esw, 0, 14, 0x65);
 830 +               /* select local register */
 831 +               rt305x_mii_write(esw, 0, 31, 0x8000);
 832 +       }
 833 +
 834 +       if (esw->port_map)
 835 +               port_map = esw->port_map;
 836 +       else
 837 +               port_map = RT305X_ESW_PMAP_LLLLLL;
 838 +
 839 +       /*
 840 +        * Unused HW feature, but still nice to be consistent here...
 841 +        * This is also exported to userspace ('lan' attribute) so it's
 842 +        * conveniently usable to decide which ports go into the wan vlan by
 843 +        * default.
 844 +        */
 845 +       esw_rmw(esw, RT305X_ESW_REG_SGC2,
 846 +                      RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S,
 847 +                      port_map << RT305X_ESW_SGC2_LAN_PMAP_S);
 848 +
 849 +       /* make the switch leds blink */
 850 +       for (i = 0; i < RT305X_ESW_NUM_LEDS; i++)
 851 +               esw->ports[i].led = 0x05;
 852 +
 853 +       /* Apply the empty config. */
 854 +       esw_apply_config(&esw->swdev);
 855 +
 856 +       /* Only unmask the port change interrupt */
 857 +       esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
 858 +}
 859 +
 860 +static irqreturn_t esw_interrupt(int irq, void *_esw)
 861 +{
 862 +       struct rt305x_esw *esw = (struct rt305x_esw *) _esw;
 863 +       u32 status;
 864 +
 865 +       status = esw_r32(esw, RT305X_ESW_REG_ISR);
 866 +       if (status & RT305X_ESW_PORT_ST_CHG) {
 867 +               u32 link = esw_r32(esw, RT305X_ESW_REG_POA);
 868 +               link >>= RT305X_ESW_POA_LINK_SHIFT;
 869 +               link &= RT305X_ESW_POA_LINK_MASK;
 870 +               dev_info(esw->dev, "link changed 0x%02X\n", link);
 871 +       }
 872 +       esw_w32(esw, status, RT305X_ESW_REG_ISR);
 873 +
 874 +       return IRQ_HANDLED;
 875 +}
 876 +
 877 +static int esw_apply_config(struct switch_dev *dev)
 878 +{
 879 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
 880 +       int i;
 881 +       u8 disable = 0;
 882 +       u8 doubletag = 0;
 883 +       u8 en_vlan = 0;
 884 +       u8 untag = 0;
 885 +
 886 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
 887 +               u32 vid, vmsc;
 888 +               if (esw->global_vlan_enable) {
 889 +                       vid = esw->vlans[i].vid;
 890 +                       vmsc = esw->vlans[i].ports;
 891 +               } else {
 892 +                       vid = RT305X_ESW_VLAN_NONE;
 893 +                       vmsc = RT305X_ESW_PORTS_NONE;
 894 +               }
 895 +               esw_set_vlan_id(esw, i, vid);
 896 +               esw_set_vmsc(esw, i, vmsc);
 897 +       }
 898 +
 899 +       for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
 900 +               u32 pvid;
 901 +               disable |= esw->ports[i].disable << i;
 902 +               if (esw->global_vlan_enable) {
 903 +                       doubletag |= esw->ports[i].doubletag << i;
 904 +                       en_vlan   |= 1                       << i;
 905 +                       untag     |= esw->ports[i].untag     << i;
 906 +                       pvid       = esw->ports[i].pvid;
 907 +               } else {
 908 +                       int x = esw->alt_vlan_disable ? 0 : 1;
 909 +                       doubletag |= x << i;
 910 +                       en_vlan   |= x << i;
 911 +                       untag     |= x << i;
 912 +                       pvid       = 0;
 913 +               }
 914 +               esw_set_pvid(esw, i, pvid);
 915 +               if (i < RT305X_ESW_NUM_LEDS)
 916 +                       esw_w32(esw, esw->ports[i].led,
 917 +                                     RT305X_ESW_REG_P0LED + 4*i);
 918 +       }
 919 +
 920 +       esw_set_gsc(esw);
 921 +       esw_set_port_disable(esw, disable);
 922 +       esw_rmw(esw, RT305X_ESW_REG_SGC2,
 923 +                      (RT305X_ESW_SGC2_DOUBLE_TAG_M <<
 924 +                       RT305X_ESW_SGC2_DOUBLE_TAG_S),
 925 +                      doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S);
 926 +       esw_rmw(esw, RT305X_ESW_REG_PFC1,
 927 +                      RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S,
 928 +                      en_vlan << RT305X_ESW_PFC1_EN_VLAN_S);
 929 +       esw_rmw(esw, RT305X_ESW_REG_POC2,
 930 +                      RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S,
 931 +                      untag << RT305X_ESW_POC2_UNTAG_EN_S);
 932 +
 933 +       if (!esw->global_vlan_enable) {
 934 +               /*
 935 +                * Still need to put all ports into vlan 0 or they'll be
 936 +                * isolated.
 937 +                * NOTE: vlan 0 is special, no vlan tag is prepended
 938 +                */
 939 +               esw_set_vlan_id(esw, 0, 0);
 940 +               esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL);
 941 +       }
 942 +
 943 +       return 0;
 944 +}
 945 +
 946 +static int esw_reset_switch(struct switch_dev *dev)
 947 +{
 948 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
 949 +
 950 +       esw->global_vlan_enable = 0;
 951 +       memset(esw->ports, 0, sizeof(esw->ports));
 952 +       memset(esw->vlans, 0, sizeof(esw->vlans));
 953 +       esw_hw_init(esw);
 954 +
 955 +       return 0;
 956 +}
 957 +
 958 +static int esw_get_vlan_enable(struct switch_dev *dev,
 959 +                          const struct switch_attr *attr,
 960 +                          struct switch_val *val)
 961 +{
 962 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
 963 +
 964 +       val->value.i = esw->global_vlan_enable;
 965 +
 966 +       return 0;
 967 +}
 968 +
 969 +static int esw_set_vlan_enable(struct switch_dev *dev,
 970 +                          const struct switch_attr *attr,
 971 +                          struct switch_val *val)
 972 +{
 973 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
 974 +
 975 +       esw->global_vlan_enable = val->value.i != 0;
 976 +
 977 +       return 0;
 978 +}
 979 +
 980 +static int esw_get_alt_vlan_disable(struct switch_dev *dev,
 981 +                               const struct switch_attr *attr,
 982 +                               struct switch_val *val)
 983 +{
 984 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
 985 +
 986 +       val->value.i = esw->alt_vlan_disable;
 987 +
 988 +       return 0;
 989 +}
 990 +
 991 +static int esw_set_alt_vlan_disable(struct switch_dev *dev,
 992 +                               const struct switch_attr *attr,
 993 +                               struct switch_val *val)
 994 +{
 995 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
 996 +
 997 +       esw->alt_vlan_disable = val->value.i != 0;
 998 +
 999 +       return 0;
1000 +}
1001 +
1002 +static int
1003 +rt305x_esw_set_bc_status(struct switch_dev *dev,
1004 +                       const struct switch_attr *attr,
1005 +                       struct switch_val *val)
1006 +{
1007 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1008 +
1009 +       esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK;
1010 +
1011 +       return 0;
1012 +}
1013 +
1014 +static int
1015 +rt305x_esw_get_bc_status(struct switch_dev *dev,
1016 +                       const struct switch_attr *attr,
1017 +                       struct switch_val *val)
1018 +{
1019 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1020 +
1021 +       val->value.i = esw->bc_storm_protect;
1022 +
1023 +       return 0;
1024 +}
1025 +
1026 +static int
1027 +rt305x_esw_set_led_freq(struct switch_dev *dev,
1028 +                       const struct switch_attr *attr,
1029 +                       struct switch_val *val)
1030 +{
1031 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1032 +
1033 +       esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK;
1034 +
1035 +       return 0;
1036 +}
1037 +
1038 +static int
1039 +rt305x_esw_get_led_freq(struct switch_dev *dev,
1040 +                       const struct switch_attr *attr,
1041 +                       struct switch_val *val)
1042 +{
1043 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1044 +
1045 +       val->value.i = esw->led_frequency;
1046 +
1047 +       return 0;
1048 +}
1049 +
1050 +static int esw_get_port_link(struct switch_dev *dev,
1051 +                        int port,
1052 +                        struct switch_port_link *link)
1053 +{
1054 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1055 +       u32 speed, poa;
1056 +
1057 +       if (port < 0 || port >= RT305X_ESW_NUM_PORTS)
1058 +               return -EINVAL;
1059 +
1060 +       poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port;
1061 +
1062 +       link->link = (poa >> RT305X_ESW_LINK_S) & 1;
1063 +       link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1;
1064 +       if (port < RT305X_ESW_NUM_LEDS) {
1065 +               speed = (poa >> RT305X_ESW_SPD_S) & 1;
1066 +       } else {
1067 +               if (port == RT305X_ESW_NUM_PORTS - 1)
1068 +                       poa >>= 1;
1069 +               speed = (poa >> RT305X_ESW_SPD_S) & 3;
1070 +       }
1071 +       switch (speed) {
1072 +       case 0:
1073 +               link->speed = SWITCH_PORT_SPEED_10;
1074 +               break;
1075 +       case 1:
1076 +               link->speed = SWITCH_PORT_SPEED_100;
1077 +               break;
1078 +       case 2:
1079 +       case 3: /* forced gige speed can be 2 or 3 */
1080 +               link->speed = SWITCH_PORT_SPEED_1000;
1081 +               break;
1082 +       default:
1083 +               link->speed = SWITCH_PORT_SPEED_UNKNOWN;
1084 +               break;
1085 +       }
1086 +
1087 +       return 0;
1088 +}
1089 +
1090 +static int esw_get_port_bool(struct switch_dev *dev,
1091 +                        const struct switch_attr *attr,
1092 +                        struct switch_val *val)
1093 +{
1094 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1095 +       int idx = val->port_vlan;
1096 +       u32 x, reg, shift;
1097 +
1098 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS)
1099 +               return -EINVAL;
1100 +
1101 +       switch (attr->id) {
1102 +       case RT305X_ESW_ATTR_PORT_DISABLE:
1103 +               reg = RT305X_ESW_REG_POC0;
1104 +               shift = RT305X_ESW_POC0_DIS_PORT_S;
1105 +               break;
1106 +       case RT305X_ESW_ATTR_PORT_DOUBLETAG:
1107 +               reg = RT305X_ESW_REG_SGC2;
1108 +               shift = RT305X_ESW_SGC2_DOUBLE_TAG_S;
1109 +               break;
1110 +       case RT305X_ESW_ATTR_PORT_UNTAG:
1111 +               reg = RT305X_ESW_REG_POC2;
1112 +               shift = RT305X_ESW_POC2_UNTAG_EN_S;
1113 +               break;
1114 +       case RT305X_ESW_ATTR_PORT_LAN:
1115 +               reg = RT305X_ESW_REG_SGC2;
1116 +               shift = RT305X_ESW_SGC2_LAN_PMAP_S;
1117 +               if (idx >= RT305X_ESW_NUM_LANWAN)
1118 +                       return -EINVAL;
1119 +               break;
1120 +       default:
1121 +               return -EINVAL;
1122 +       }
1123 +
1124 +       x = esw_r32(esw, reg);
1125 +       val->value.i = (x >> (idx + shift)) & 1;
1126 +
1127 +       return 0;
1128 +}
1129 +
1130 +static int esw_set_port_bool(struct switch_dev *dev,
1131 +                        const struct switch_attr *attr,
1132 +                        struct switch_val *val)
1133 +{
1134 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1135 +       int idx = val->port_vlan;
1136 +
1137 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
1138 +           val->value.i < 0 || val->value.i > 1)
1139 +               return -EINVAL;
1140 +
1141 +       switch (attr->id) {
1142 +       case RT305X_ESW_ATTR_PORT_DISABLE:
1143 +               esw->ports[idx].disable = val->value.i;
1144 +               break;
1145 +       case RT305X_ESW_ATTR_PORT_DOUBLETAG:
1146 +               esw->ports[idx].doubletag = val->value.i;
1147 +               break;
1148 +       case RT305X_ESW_ATTR_PORT_UNTAG:
1149 +               esw->ports[idx].untag = val->value.i;
1150 +               break;
1151 +       default:
1152 +               return -EINVAL;
1153 +       }
1154 +
1155 +       return 0;
1156 +}
1157 +
1158 +static int esw_get_port_recv_badgood(struct switch_dev *dev,
1159 +                                const struct switch_attr *attr,
1160 +                                struct switch_val *val)
1161 +{
1162 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1163 +       int idx = val->port_vlan;
1164 +       int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16;
1165 +       u32 reg;
1166 +
1167 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
1168 +               return -EINVAL;
1169 +       reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx));
1170 +       val->value.i = (reg >> shift) & 0xffff;
1171 +
1172 +       return 0;
1173 +}
1174 +
1175 +static int
1176 +esw_get_port_tr_badgood(struct switch_dev *dev,
1177 +                                const struct switch_attr *attr,
1178 +                                struct switch_val *val)
1179 +{
1180 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1181 +
1182 +       int idx = val->port_vlan;
1183 +       int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
1184 +       u32 reg;
1185 +
1186 +       if (!soc_is_rt5350())
1187 +               return -EINVAL;
1188 +
1189 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
1190 +               return -EINVAL;
1191 +
1192 +       reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx));
1193 +       val->value.i = (reg >> shift) & 0xffff;
1194 +
1195 +       return 0;
1196 +}
1197 +
1198 +static int esw_get_port_led(struct switch_dev *dev,
1199 +                       const struct switch_attr *attr,
1200 +                       struct switch_val *val)
1201 +{
1202 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1203 +       int idx = val->port_vlan;
1204 +
1205 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
1206 +           idx >= RT305X_ESW_NUM_LEDS)
1207 +               return -EINVAL;
1208 +
1209 +       val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx);
1210 +
1211 +       return 0;
1212 +}
1213 +
1214 +static int esw_set_port_led(struct switch_dev *dev,
1215 +                       const struct switch_attr *attr,
1216 +                       struct switch_val *val)
1217 +{
1218 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1219 +       int idx = val->port_vlan;
1220 +
1221 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS)
1222 +               return -EINVAL;
1223 +
1224 +       esw->ports[idx].led = val->value.i;
1225 +
1226 +       return 0;
1227 +}
1228 +
1229 +static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1230 +{
1231 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1232 +
1233 +       if (port >= RT305X_ESW_NUM_PORTS)
1234 +               return -EINVAL;
1235 +
1236 +       *val = esw_get_pvid(esw, port);
1237 +
1238 +       return 0;
1239 +}
1240 +
1241 +static int esw_set_port_pvid(struct switch_dev *dev, int port, int val)
1242 +{
1243 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1244 +
1245 +       if (port >= RT305X_ESW_NUM_PORTS)
1246 +               return -EINVAL;
1247 +
1248 +       esw->ports[port].pvid = val;
1249 +
1250 +       return 0;
1251 +}
1252 +
1253 +static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
1254 +{
1255 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1256 +       u32 vmsc, poc2;
1257 +       int vlan_idx = -1;
1258 +       int i;
1259 +
1260 +       val->len = 0;
1261 +
1262 +       if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS)
1263 +               return -EINVAL;
1264 +
1265 +       /* valid vlan? */
1266 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
1267 +               if (esw_get_vlan_id(esw, i) == val->port_vlan &&
1268 +                   esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) {
1269 +                       vlan_idx = i;
1270 +                       break;
1271 +               }
1272 +       }
1273 +
1274 +       if (vlan_idx == -1)
1275 +               return -EINVAL;
1276 +
1277 +       vmsc = esw_get_vmsc(esw, vlan_idx);
1278 +       poc2 = esw_r32(esw, RT305X_ESW_REG_POC2);
1279 +
1280 +       for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
1281 +               struct switch_port *p;
1282 +               int port_mask = 1 << i;
1283 +
1284 +               if (!(vmsc & port_mask))
1285 +                       continue;
1286 +
1287 +               p = &val->value.ports[val->len++];
1288 +               p->id = i;
1289 +               if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S))
1290 +                       p->flags = 0;
1291 +               else
1292 +                       p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
1293 +       }
1294 +
1295 +       return 0;
1296 +}
1297 +
1298 +static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
1299 +{
1300 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1301 +       int ports;
1302 +       int vlan_idx = -1;
1303 +       int i;
1304 +
1305 +       if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS ||
1306 +           val->len > RT305X_ESW_NUM_PORTS)
1307 +               return -EINVAL;
1308 +
1309 +       /* one of the already defined vlans? */
1310 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
1311 +               if (esw->vlans[i].vid == val->port_vlan &&
1312 +                   esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) {
1313 +                       vlan_idx = i;
1314 +                       break;
1315 +               }
1316 +       }
1317 +
1318 +       /* select a free slot */
1319 +       for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) {
1320 +               if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE)
1321 +                       vlan_idx = i;
1322 +       }
1323 +
1324 +       /* bail if all slots are in use */
1325 +       if (vlan_idx == -1)
1326 +               return -EINVAL;
1327 +
1328 +       ports = RT305X_ESW_PORTS_NONE;
1329 +       for (i = 0; i < val->len; i++) {
1330 +               struct switch_port *p = &val->value.ports[i];
1331 +               int port_mask = 1 << p->id;
1332 +               bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
1333 +
1334 +               if (p->id >= RT305X_ESW_NUM_PORTS)
1335 +                       return -EINVAL;
1336 +
1337 +               ports |= port_mask;
1338 +               esw->ports[p->id].untag = untagged;
1339 +       }
1340 +       esw->vlans[vlan_idx].ports = ports;
1341 +       if (ports == RT305X_ESW_PORTS_NONE)
1342 +               esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE;
1343 +       else
1344 +               esw->vlans[vlan_idx].vid = val->port_vlan;
1345 +
1346 +       return 0;
1347 +}
1348 +
1349 +static const struct switch_attr esw_global[] = {
1350 +       {
1351 +               .type = SWITCH_TYPE_INT,
1352 +               .name = "enable_vlan",
1353 +               .description = "VLAN mode (1:enabled)",
1354 +               .max = 1,
1355 +               .id = RT305X_ESW_ATTR_ENABLE_VLAN,
1356 +               .get = esw_get_vlan_enable,
1357 +               .set = esw_set_vlan_enable,
1358 +       },
1359 +       {
1360 +               .type = SWITCH_TYPE_INT,
1361 +               .name = "alternate_vlan_disable",
1362 +               .description = "Use en_vlan instead of doubletag to disable"
1363 +                               " VLAN mode",
1364 +               .max = 1,
1365 +               .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
1366 +               .get = esw_get_alt_vlan_disable,
1367 +               .set = esw_set_alt_vlan_disable,
1368 +       },
1369 +       {
1370 +               .type = SWITCH_TYPE_INT,
1371 +               .name = "bc_storm_protect",
1372 +               .description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)",
1373 +               .max = 3,
1374 +               .id = RT305X_ESW_ATTR_BC_STATUS,
1375 +               .get = rt305x_esw_get_bc_status,
1376 +               .set = rt305x_esw_set_bc_status,
1377 +       },
1378 +       {
1379 +               .type = SWITCH_TYPE_INT,
1380 +               .name = "led_frequency",
1381 +               .description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)",
1382 +               .max = 3,
1383 +               .id = RT305X_ESW_ATTR_LED_FREQ,
1384 +               .get = rt305x_esw_get_led_freq,
1385 +               .set = rt305x_esw_set_led_freq,
1386 +       }
1387 +};
1388 +
1389 +static const struct switch_attr esw_port[] = {
1390 +       {
1391 +               .type = SWITCH_TYPE_INT,
1392 +               .name = "disable",
1393 +               .description = "Port state (1:disabled)",
1394 +               .max = 1,
1395 +               .id = RT305X_ESW_ATTR_PORT_DISABLE,
1396 +               .get = esw_get_port_bool,
1397 +               .set = esw_set_port_bool,
1398 +       },
1399 +       {
1400 +               .type = SWITCH_TYPE_INT,
1401 +               .name = "doubletag",
1402 +               .description = "Double tagging for incoming vlan packets "
1403 +                               "(1:enabled)",
1404 +               .max = 1,
1405 +               .id = RT305X_ESW_ATTR_PORT_DOUBLETAG,
1406 +               .get = esw_get_port_bool,
1407 +               .set = esw_set_port_bool,
1408 +       },
1409 +       {
1410 +               .type = SWITCH_TYPE_INT,
1411 +               .name = "untag",
1412 +               .description = "Untag (1:strip outgoing vlan tag)",
1413 +               .max = 1,
1414 +               .id = RT305X_ESW_ATTR_PORT_UNTAG,
1415 +               .get = esw_get_port_bool,
1416 +               .set = esw_set_port_bool,
1417 +       },
1418 +       {
1419 +               .type = SWITCH_TYPE_INT,
1420 +               .name = "led",
1421 +               .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity,"
1422 +                               " 4:collision, 5:linkact, 6:duplcoll, 7:10mact,"
1423 +                               " 8:100mact, 10:blink, 11:off, 12:on)",
1424 +               .max = 15,
1425 +               .id = RT305X_ESW_ATTR_PORT_LED,
1426 +               .get = esw_get_port_led,
1427 +               .set = esw_set_port_led,
1428 +       },
1429 +       {
1430 +               .type = SWITCH_TYPE_INT,
1431 +               .name = "lan",
1432 +               .description = "HW port group (0:wan, 1:lan)",
1433 +               .max = 1,
1434 +               .id = RT305X_ESW_ATTR_PORT_LAN,
1435 +               .get = esw_get_port_bool,
1436 +       },
1437 +       {
1438 +               .type = SWITCH_TYPE_INT,
1439 +               .name = "recv_bad",
1440 +               .description = "Receive bad packet counter",
1441 +               .id = RT305X_ESW_ATTR_PORT_RECV_BAD,
1442 +               .get = esw_get_port_recv_badgood,
1443 +       },
1444 +       {
1445 +               .type = SWITCH_TYPE_INT,
1446 +               .name = "recv_good",
1447 +               .description = "Receive good packet counter",
1448 +               .id = RT305X_ESW_ATTR_PORT_RECV_GOOD,
1449 +               .get = esw_get_port_recv_badgood,
1450 +       },
1451 +       {
1452 +               .type = SWITCH_TYPE_INT,
1453 +               .name = "tr_bad",
1454 +
1455 +               .description = "Transmit bad packet counter. rt5350 only",
1456 +               .id = RT5350_ESW_ATTR_PORT_TR_BAD,
1457 +               .get = esw_get_port_tr_badgood,
1458 +       },
1459 +       {
1460 +               .type = SWITCH_TYPE_INT,
1461 +               .name = "tr_good",
1462 +
1463 +               .description = "Transmit good packet counter. rt5350 only",
1464 +               .id = RT5350_ESW_ATTR_PORT_TR_GOOD,
1465 +               .get = esw_get_port_tr_badgood,
1466 +       },
1467 +};
1468 +
1469 +static const struct switch_attr esw_vlan[] = {
1470 +};
1471 +
1472 +static const struct switch_dev_ops esw_ops = {
1473 +       .attr_global = {
1474 +               .attr = esw_global,
1475 +               .n_attr = ARRAY_SIZE(esw_global),
1476 +       },
1477 +       .attr_port = {
1478 +               .attr = esw_port,
1479 +               .n_attr = ARRAY_SIZE(esw_port),
1480 +       },
1481 +       .attr_vlan = {
1482 +               .attr = esw_vlan,
1483 +               .n_attr = ARRAY_SIZE(esw_vlan),
1484 +       },
1485 +       .get_vlan_ports = esw_get_vlan_ports,
1486 +       .set_vlan_ports = esw_set_vlan_ports,
1487 +       .get_port_pvid = esw_get_port_pvid,
1488 +       .set_port_pvid = esw_set_port_pvid,
1489 +       .get_port_link = esw_get_port_link,
1490 +       .apply_config = esw_apply_config,
1491 +       .reset_switch = esw_reset_switch,
1492 +};
1493 +
1494 +static struct rt305x_esw_platform_data rt3050_esw_data = {
1495 +       /* All ports are LAN ports. */
1496 +       .vlan_config            = RT305X_ESW_VLAN_CONFIG_NONE,
1497 +       .reg_initval_fct2       = 0x00d6500c,
1498 +       /*
1499 +        * ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
1500 +        * turbo mii off, rgmi 3.3v off
1501 +        * port5: disabled
1502 +        * port6: enabled, gige, full-duplex, rx/tx-flow-control
1503 +        */
1504 +       .reg_initval_fpa2       = 0x3f502b28,
1505 +};
1506 +
1507 +static const struct of_device_id ralink_esw_match[] = {
1508 +       { .compatible = "ralink,rt3050-esw", .data = &rt3050_esw_data },
1509 +       {},
1510 +};
1511 +MODULE_DEVICE_TABLE(of, ralink_esw_match);
1512 +
1513 +static int esw_probe(struct platform_device *pdev)
1514 +{
1515 +       struct device_node *np = pdev->dev.of_node;
1516 +       const struct rt305x_esw_platform_data *pdata;
1517 +       const __be32 *port_map, *reg_init;
1518 +       struct rt305x_esw *esw;
1519 +       struct switch_dev *swdev;
1520 +       struct resource *res, *irq;
1521 +       int err;
1522 +
1523 +       pdata = pdev->dev.platform_data;
1524 +       if (!pdata) {
1525 +               const struct of_device_id *match;
1526 +               match = of_match_device(ralink_esw_match, &pdev->dev);
1527 +               if (match)
1528 +                       pdata = (struct rt305x_esw_platform_data *) match->data;
1529 +       }
1530 +       if (!pdata)
1531 +               return -EINVAL;
1532 +
1533 +       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1534 +       if (!res) {
1535 +               dev_err(&pdev->dev, "no memory resource found\n");
1536 +               return -ENOMEM;
1537 +       }
1538 +
1539 +       irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1540 +       if (!irq) {
1541 +               dev_err(&pdev->dev, "no irq resource found\n");
1542 +               return -ENOMEM;
1543 +       }
1544 +
1545 +       esw = kzalloc(sizeof(struct rt305x_esw), GFP_KERNEL);
1546 +       if (!esw) {
1547 +               dev_err(&pdev->dev, "no memory for private data\n");
1548 +               return -ENOMEM;
1549 +       }
1550 +
1551 +       esw->dev = &pdev->dev;
1552 +       esw->irq = irq->start;
1553 +       esw->base = ioremap(res->start, resource_size(res));
1554 +       if (!esw->base) {
1555 +               dev_err(&pdev->dev, "ioremap failed\n");
1556 +               err = -ENOMEM;
1557 +               goto free_esw;
1558 +       }
1559 +
1560 +       port_map = of_get_property(np, "ralink,portmap", NULL);
1561 +        if (port_map)
1562 +               esw->port_map = be32_to_cpu(*port_map);
1563 +
1564 +       reg_init = of_get_property(np, "ralink,fct2", NULL);
1565 +        if (reg_init)
1566 +               esw->reg_initval_fct2 = be32_to_cpu(*reg_init);
1567 +
1568 +       reg_init = of_get_property(np, "ralink,fpa2", NULL);
1569 +        if (reg_init)
1570 +               esw->reg_initval_fpa2 = be32_to_cpu(*reg_init);
1571 +
1572 +       reg_init = of_get_property(np, "ralink,led_polarity", NULL);
1573 +        if (reg_init)
1574 +               esw->reg_led_polarity = be32_to_cpu(*reg_init);
1575 +
1576 +       swdev = &esw->swdev;
1577 +       swdev->of_node = pdev->dev.of_node;
1578 +       swdev->name = "rt305x-esw";
1579 +       swdev->alias = "rt305x";
1580 +       swdev->cpu_port = RT305X_ESW_PORT6;
1581 +       swdev->ports = RT305X_ESW_NUM_PORTS;
1582 +       swdev->vlans = RT305X_ESW_NUM_VIDS;
1583 +       swdev->ops = &esw_ops;
1584 +
1585 +       err = register_switch(swdev, NULL);
1586 +       if (err < 0) {
1587 +               dev_err(&pdev->dev, "register_switch failed\n");
1588 +               goto unmap_base;
1589 +       }
1590 +
1591 +       platform_set_drvdata(pdev, esw);
1592 +
1593 +       esw->pdata = pdata;
1594 +       spin_lock_init(&esw->reg_rw_lock);
1595 +
1596 +       esw_hw_init(esw);
1597 +
1598 +       esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR);
1599 +       esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
1600 +       request_irq(esw->irq, esw_interrupt, 0, "esw", esw);
1601 +
1602 +       return 0;
1603 +
1604 +unmap_base:
1605 +       iounmap(esw->base);
1606 +free_esw:
1607 +       kfree(esw);
1608 +       return err;
1609 +}
1610 +
1611 +static int esw_remove(struct platform_device *pdev)
1612 +{
1613 +       struct rt305x_esw *esw;
1614 +
1615 +       esw = platform_get_drvdata(pdev);
1616 +       if (esw) {
1617 +               unregister_switch(&esw->swdev);
1618 +               platform_set_drvdata(pdev, NULL);
1619 +               iounmap(esw->base);
1620 +               kfree(esw);
1621 +       }
1622 +
1623 +       return 0;
1624 +}
1625 +
1626 +static struct platform_driver esw_driver = {
1627 +       .probe = esw_probe,
1628 +       .remove = esw_remove,
1629 +       .driver = {
1630 +               .name = "rt305x-esw",
1631 +               .owner = THIS_MODULE,
1632 +               .of_match_table = ralink_esw_match,
1633 +       },
1634 +};
1635 +
1636 +int __init rtesw_init(void)
1637 +{
1638 +       return platform_driver_register(&esw_driver);
1639 +}
1640 +
1641 +void rtesw_exit(void)
1642 +{
1643 +       platform_driver_unregister(&esw_driver);
1644 +}
1645 Index: linux-3.10.21/drivers/net/ethernet/ralink/esw_rt3052.h
1646 ===================================================================
1647 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
1648 +++ linux-3.10.21/drivers/net/ethernet/ralink/esw_rt3052.h      2013-12-09 13:26:42.328125203 +0100
1649 @@ -0,0 +1,32 @@
1650 +/*
1651 + *   This program is free software; you can redistribute it and/or modify
1652 + *   it under the terms of the GNU General Public License as published by
1653 + *   the Free Software Foundation; version 2 of the License
1654 + *
1655 + *   This program is distributed in the hope that it will be useful,
1656 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
1657 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1658 + *   GNU General Public License for more details.
1659 + *
1660 + *   You should have received a copy of the GNU General Public License
1661 + *   along with this program; if not, write to the Free Software
1662 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
1663 + *
1664 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
1665 + */
1666 +
1667 +#ifndef _RALINK_ESW_RT3052_H__
1668 +#define _RALINK_ESW_RT3052_H__
1669 +
1670 +#ifdef CONFIG_NET_RALINK_ESW_RT3052
1671 +
1672 +int __init rtesw_init(void);
1673 +void rtesw_exit(void);
1674 +
1675 +#else
1676 +
1677 +static inline int __init rtesw_init(void) { return 0; }
1678 +static inline void rtesw_exit(void) { }
1679 +
1680 +#endif
1681 +#endif
1682 Index: linux-3.10.21/drivers/net/ethernet/ralink/gsw_mt7620a.c
1683 ===================================================================
1684 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
1685 +++ linux-3.10.21/drivers/net/ethernet/ralink/gsw_mt7620a.c     2013-12-09 13:26:42.328125203 +0100
1686 @@ -0,0 +1,566 @@
1687 +/*
1688 + *   This program is free software; you can redistribute it and/or modify
1689 + *   it under the terms of the GNU General Public License as published by
1690 + *   the Free Software Foundation; version 2 of the License
1691 + *
1692 + *   This program is distributed in the hope that it will be useful,
1693 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
1694 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1695 + *   GNU General Public License for more details.
1696 + *
1697 + *   You should have received a copy of the GNU General Public License
1698 + *   along with this program; if not, write to the Free Software
1699 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
1700 + *
1701 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
1702 + */
1703 +
1704 +#include <linux/module.h>
1705 +#include <linux/kernel.h>
1706 +#include <linux/types.h>
1707 +#include <linux/dma-mapping.h>
1708 +#include <linux/init.h>
1709 +#include <linux/skbuff.h>
1710 +#include <linux/etherdevice.h>
1711 +#include <linux/ethtool.h>
1712 +#include <linux/platform_device.h>
1713 +#include <linux/of_device.h>
1714 +#include <linux/clk.h>
1715 +#include <linux/of_net.h>
1716 +#include <linux/of_mdio.h>
1717 +#include <linux/of_irq.h>
1718 +#include <linux/of_address.h>
1719 +#include <linux/switch.h>
1720 +
1721 +#include <asm/mach-ralink/ralink_regs.h>
1722 +
1723 +#include "ralink_soc_eth.h"
1724 +
1725 +#include <linux/ioport.h>
1726 +#include <linux/switch.h>
1727 +#include <linux/mii.h>
1728 +
1729 +#include <ralink_regs.h>
1730 +#include <asm/mach-ralink/mt7620.h>
1731 +
1732 +#include "ralink_soc_eth.h"
1733 +#include "gsw_mt7620a.h"
1734 +#include "mt7530.h"
1735 +#include "mdio.h"
1736 +
1737 +#define GSW_REG_PHY_TIMEOUT    (5 * HZ)
1738 +
1739 +#define MT7620A_GSW_REG_PIAC   0x7004
1740 +
1741 +#define GSW_NUM_VLANS          16
1742 +#define GSW_NUM_VIDS           4096
1743 +#define GSW_NUM_PORTS          7
1744 +#define GSW_PORT6              6
1745 +
1746 +#define GSW_MDIO_ACCESS                BIT(31)
1747 +#define GSW_MDIO_READ          BIT(19)
1748 +#define GSW_MDIO_WRITE         BIT(18)
1749 +#define GSW_MDIO_START         BIT(16)
1750 +#define GSW_MDIO_ADDR_SHIFT    20
1751 +#define GSW_MDIO_REG_SHIFT     25
1752 +
1753 +#define GSW_REG_PORT_PMCR(x)   (0x3000 + (x * 0x100))
1754 +#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100))
1755 +#define GSW_REG_SMACCR0                0x3fE4
1756 +#define GSW_REG_SMACCR1                0x3fE8
1757 +#define GSW_REG_CKGCR          0x3ff0
1758 +
1759 +#define GSW_REG_IMR            0x7008
1760 +#define GSW_REG_ISR            0x700c
1761 +
1762 +#define SYSC_REG_CFG1          0x14
1763 +
1764 +#define PORT_IRQ_ST_CHG                0x7f
1765 +
1766 +#define SYSCFG1                        0x14
1767 +
1768 +#define ESW_PHY_POLLING                0x7000
1769 +
1770 +#define        PMCR_IPG                BIT(18)
1771 +#define        PMCR_MAC_MODE           BIT(16)
1772 +#define        PMCR_FORCE              BIT(15)
1773 +#define        PMCR_TX_EN              BIT(14)
1774 +#define        PMCR_RX_EN              BIT(13)
1775 +#define        PMCR_BACKOFF            BIT(9)
1776 +#define        PMCR_BACKPRES           BIT(8)
1777 +#define        PMCR_RX_FC              BIT(5)
1778 +#define        PMCR_TX_FC              BIT(4)
1779 +#define        PMCR_SPEED(_x)          (_x << 2)
1780 +#define        PMCR_DUPLEX             BIT(1)
1781 +#define        PMCR_LINK               BIT(0)
1782 +
1783 +#define PHY_AN_EN              BIT(31)
1784 +#define PHY_PRE_EN             BIT(30)
1785 +#define PMY_MDC_CONF(_x)       ((_x & 0x3f) << 24)
1786 +
1787 +enum {
1788 +       /* Global attributes. */
1789 +       GSW_ATTR_ENABLE_VLAN,
1790 +       /* Port attributes. */
1791 +       GSW_ATTR_PORT_UNTAG,
1792 +};
1793 +
1794 +enum {
1795 +       PORT4_EPHY = 0,
1796 +       PORT4_EXT,
1797 +};
1798 +
1799 +struct mt7620_gsw {
1800 +       struct device           *dev;
1801 +       void __iomem            *base;
1802 +       int                     irq;
1803 +       int                     port4;
1804 +       long unsigned int       autopoll;
1805 +};
1806 +
1807 +static inline void gsw_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
1808 +{
1809 +       iowrite32(val, gsw->base + reg);
1810 +}
1811 +
1812 +static inline u32 gsw_r32(struct mt7620_gsw *gsw, unsigned reg)
1813 +{
1814 +       return ioread32(gsw->base + reg);
1815 +}
1816 +
1817 +static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
1818 +{
1819 +       unsigned long t_start = jiffies;
1820 +
1821 +       while (1) {
1822 +               if (!(gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
1823 +                       return 0;
1824 +               if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) {
1825 +                       break;
1826 +               }
1827 +       }
1828 +
1829 +       printk(KERN_ERR "mdio: MDIO timeout\n");
1830 +       return -1;
1831 +}
1832 +
1833 +static u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, u32 phy_register,
1834 +                               u32 write_data)
1835 +{
1836 +       if (mt7620_mii_busy_wait(gsw))
1837 +               return -1;
1838 +
1839 +       write_data &= 0xffff;
1840 +
1841 +       gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE |
1842 +               (phy_register << GSW_MDIO_REG_SHIFT) |
1843 +               (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data,
1844 +               MT7620A_GSW_REG_PIAC);
1845 +
1846 +       if (mt7620_mii_busy_wait(gsw))
1847 +               return -1;
1848 +
1849 +       return 0;
1850 +}
1851 +
1852 +static u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg)
1853 +{
1854 +       u32 d;
1855 +
1856 +       if (mt7620_mii_busy_wait(gsw))
1857 +               return 0xffff;
1858 +
1859 +       gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ |
1860 +               (phy_reg << GSW_MDIO_REG_SHIFT) |
1861 +               (phy_addr << GSW_MDIO_ADDR_SHIFT),
1862 +               MT7620A_GSW_REG_PIAC);
1863 +
1864 +       if (mt7620_mii_busy_wait(gsw))
1865 +               return 0xffff;
1866 +
1867 +       d = gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff;
1868 +
1869 +       return d;
1870 +}
1871 +
1872 +int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
1873 +{
1874 +       struct fe_priv *priv = bus->priv;
1875 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1876 +
1877 +       return _mt7620_mii_write(gsw, phy_addr, phy_reg, val);
1878 +}
1879 +
1880 +int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
1881 +{
1882 +       struct fe_priv *priv = bus->priv;
1883 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1884 +
1885 +       return _mt7620_mii_read(gsw, phy_addr, phy_reg);
1886 +}
1887 +
1888 +static unsigned char *fe_speed_str(int speed)
1889 +{
1890 +       switch (speed) {
1891 +       case 2:
1892 +       case SPEED_1000:
1893 +               return "1000";
1894 +       case 1:
1895 +       case SPEED_100:
1896 +               return "100";
1897 +       case 0:
1898 +       case SPEED_10:
1899 +               return "10";
1900 +       }
1901 +
1902 +       return "? ";
1903 +}
1904 +
1905 +int mt7620a_has_carrier(struct fe_priv *priv)
1906 +{
1907 +        struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1908 +       int i;
1909 +
1910 +       for (i = 0; i < GSW_PORT6; i++)
1911 +               if (gsw_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
1912 +                       return 1;
1913 +       return 0;
1914 +}
1915 +
1916 +static void mt7620a_handle_carrier(struct fe_priv *priv)
1917 +{
1918 +       if (!priv->phy)
1919 +               return;
1920 +
1921 +       if (mt7620a_has_carrier(priv))
1922 +               netif_carrier_on(priv->netdev);
1923 +       else
1924 +               netif_carrier_off(priv->netdev);
1925 +}
1926 +
1927 +void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
1928 +{
1929 +       if (priv->link[port])
1930 +               netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
1931 +                       port, fe_speed_str(priv->phy->speed[port]),
1932 +                       (DUPLEX_FULL == priv->phy->duplex[port]) ? "Full" : "Half");
1933 +       else
1934 +               netdev_info(priv->netdev, "port %d link down\n", port);
1935 +       mt7620a_handle_carrier(priv);
1936 +}
1937 +
1938 +static irqreturn_t gsw_interrupt(int irq, void *_priv)
1939 +{
1940 +       struct fe_priv *priv = (struct fe_priv *) _priv;
1941 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1942 +       u32 status;
1943 +       int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3);
1944 +
1945 +       status = gsw_r32(gsw, GSW_REG_ISR);
1946 +       if (status & PORT_IRQ_ST_CHG)
1947 +               for (i = 0; i <= max; i++) {
1948 +                       u32 status = gsw_r32(gsw, GSW_REG_PORT_STATUS(i));
1949 +                       int link = status & 0x1;
1950 +
1951 +                       if (link != priv->link[i]) {
1952 +                               if (link)
1953 +                                       netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
1954 +                                                       i, fe_speed_str((status >> 2) & 3),
1955 +                                                       (status & 0x2) ? "Full" : "Half");
1956 +                               else
1957 +                                       netdev_info(priv->netdev, "port %d link down\n", i);
1958 +                       }
1959 +
1960 +                       priv->link[i] = link;
1961 +               }
1962 +       mt7620a_handle_carrier(priv);
1963 +
1964 +       gsw_w32(gsw, status, GSW_REG_ISR);
1965 +
1966 +       return IRQ_HANDLED;
1967 +}
1968 +
1969 +static int mt7620_is_bga(void)
1970 +{
1971 +       u32 bga = rt_sysc_r32(0x0c);
1972 +
1973 +       return (bga >> 16) & 1;
1974 +}
1975 +
1976 +static void gsw_auto_poll(struct mt7620_gsw *gsw)
1977 +{
1978 +       int phy;
1979 +       int lsb = -1, msb = 0;
1980 +
1981 +       for_each_set_bit(phy, &gsw->autopoll, 32) {
1982 +               if (lsb < 0)
1983 +                       lsb = phy;
1984 +               msb = phy;
1985 +       }
1986 +
1987 +       gsw_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) | (msb << 8) | lsb, ESW_PHY_POLLING);
1988 +}
1989 +
1990 +void mt7620_port_init(struct fe_priv *priv, struct device_node *np)
1991 +{
1992 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1993 +       const __be32 *_id = of_get_property(np, "reg", NULL);
1994 +       int phy_mode, size, id;
1995 +       int shift = 12;
1996 +       u32 val, mask = 0;
1997 +       int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4);
1998 +
1999 +       if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) {
2000 +               if (_id)
2001 +                       pr_err("%s: invalid port id %d\n", np->name, be32_to_cpu(*_id));
2002 +               else
2003 +                       pr_err("%s: invalid port id\n", np->name);
2004 +               return;
2005 +       }
2006 +
2007 +       id = be32_to_cpu(*_id);
2008 +
2009 +       if (id == 4)
2010 +               shift = 14;
2011 +
2012 +       priv->phy->phy_fixed[id] = of_get_property(np, "ralink,fixed-link", &size);
2013 +       if (priv->phy->phy_fixed[id] && (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) {
2014 +               pr_err("%s: invalid fixed link property\n", np->name);
2015 +               priv->phy->phy_fixed[id] = NULL;
2016 +               return;
2017 +       }
2018 +
2019 +       phy_mode = of_get_phy_mode(np);
2020 +       switch (phy_mode) {
2021 +       case PHY_INTERFACE_MODE_RGMII:
2022 +               mask = 0;
2023 +               break;
2024 +       case PHY_INTERFACE_MODE_MII:
2025 +               mask = 1;
2026 +               break;
2027 +       case PHY_INTERFACE_MODE_RMII:
2028 +               mask = 2;
2029 +               break;
2030 +       default:
2031 +               dev_err(priv->device, "port %d - invalid phy mode\n", id);
2032 +               return;
2033 +       }
2034 +
2035 +       priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0);
2036 +       if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id])
2037 +               return;
2038 +
2039 +       val = rt_sysc_r32(SYSCFG1);
2040 +       val &= ~(3 << shift);
2041 +       val |= mask << shift;
2042 +       rt_sysc_w32(val, SYSCFG1);
2043 +
2044 +       if (priv->phy->phy_fixed[id]) {
2045 +               const __be32 *link = priv->phy->phy_fixed[id];
2046 +               int tx_fc, rx_fc;
2047 +               u32 val = 0;
2048 +
2049 +               priv->phy->speed[id] = be32_to_cpup(link++);
2050 +               tx_fc = be32_to_cpup(link++);
2051 +               rx_fc = be32_to_cpup(link++);
2052 +               priv->phy->duplex[id] = be32_to_cpup(link++);
2053 +               priv->link[id] = 1;
2054 +
2055 +               switch (priv->phy->speed[id]) {
2056 +               case SPEED_10:
2057 +                       val = 0;
2058 +                       break;
2059 +               case SPEED_100:
2060 +                       val = 1;
2061 +                       break;
2062 +               case SPEED_1000:
2063 +                       val = 2;
2064 +                       break;
2065 +               default:
2066 +                       dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[id]);
2067 +                       priv->phy->phy_fixed[id] = 0;
2068 +                       return;
2069 +               }
2070 +               val = PMCR_SPEED(val);
2071 +               val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
2072 +                       PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG;
2073 +               if (tx_fc)
2074 +                       val |= PMCR_TX_FC;
2075 +               if (rx_fc)
2076 +                       val |= PMCR_RX_FC;
2077 +               if (priv->phy->duplex[id])
2078 +                       val |= PMCR_DUPLEX;
2079 +               gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
2080 +               dev_info(priv->device, "using fixed link parameters\n");
2081 +               return;
2082 +       }
2083 +
2084 +       if (priv->phy->phy_node[id] && priv->mii_bus->phy_map[id]) {
2085 +               u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
2086 +                       PMCR_TX_EN |  PMCR_MAC_MODE | PMCR_IPG;
2087 +
2088 +               gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
2089 +               fe_connect_phy_node(priv, priv->phy->phy_node[id]);
2090 +               gsw->autopoll |= BIT(id);
2091 +               gsw_auto_poll(gsw);
2092 +               return;
2093 +       }
2094 +}
2095 +
2096 +static void gsw_hw_init(struct mt7620_gsw *gsw)
2097 +{
2098 +       u32 is_BGA = mt7620_is_bga();
2099 +
2100 +       rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
2101 +       gsw_w32(gsw, gsw_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
2102 +
2103 +       /*correct  PHY  setting L3.0 BGA*/
2104 +       _mt7620_mii_write(gsw, 1, 31, 0x4000); //global, page 4
2105 +
2106 +       _mt7620_mii_write(gsw, 1, 17, 0x7444);
2107 +       if (is_BGA)
2108 +               _mt7620_mii_write(gsw, 1, 19, 0x0114);
2109 +       else
2110 +               _mt7620_mii_write(gsw, 1, 19, 0x0117);
2111 +
2112 +       _mt7620_mii_write(gsw, 1, 22, 0x10cf);
2113 +       _mt7620_mii_write(gsw, 1, 25, 0x6212);
2114 +       _mt7620_mii_write(gsw, 1, 26, 0x0777);
2115 +       _mt7620_mii_write(gsw, 1, 29, 0x4000);
2116 +       _mt7620_mii_write(gsw, 1, 28, 0xc077);
2117 +       _mt7620_mii_write(gsw, 1, 24, 0x0000);
2118 +
2119 +       _mt7620_mii_write(gsw, 1, 31, 0x3000); //global, page 3
2120 +       _mt7620_mii_write(gsw, 1, 17, 0x4838);
2121 +
2122 +       _mt7620_mii_write(gsw, 1, 31, 0x2000); //global, page 2
2123 +       if (is_BGA) {
2124 +               _mt7620_mii_write(gsw, 1, 21, 0x0515);
2125 +               _mt7620_mii_write(gsw, 1, 22, 0x0053);
2126 +               _mt7620_mii_write(gsw, 1, 23, 0x00bf);
2127 +               _mt7620_mii_write(gsw, 1, 24, 0x0aaf);
2128 +               _mt7620_mii_write(gsw, 1, 25, 0x0fad);
2129 +               _mt7620_mii_write(gsw, 1, 26, 0x0fc1);
2130 +       } else {
2131 +               _mt7620_mii_write(gsw, 1, 21, 0x0517);
2132 +               _mt7620_mii_write(gsw, 1, 22, 0x0fd2);
2133 +               _mt7620_mii_write(gsw, 1, 23, 0x00bf);
2134 +               _mt7620_mii_write(gsw, 1, 24, 0x0aab);
2135 +               _mt7620_mii_write(gsw, 1, 25, 0x00ae);
2136 +               _mt7620_mii_write(gsw, 1, 26, 0x0fff);
2137 +       }
2138 +       _mt7620_mii_write(gsw, 1, 31, 0x1000); //global, page 1
2139 +       _mt7620_mii_write(gsw, 1, 17, 0xe7f8);
2140 +
2141 +       _mt7620_mii_write(gsw, 1, 31, 0x8000); //local, page 0
2142 +       _mt7620_mii_write(gsw, 0, 30, 0xa000);
2143 +       _mt7620_mii_write(gsw, 1, 30, 0xa000);
2144 +       _mt7620_mii_write(gsw, 2, 30, 0xa000);
2145 +       _mt7620_mii_write(gsw, 3, 30, 0xa000);
2146 +
2147 +       _mt7620_mii_write(gsw, 0, 4, 0x05e1);
2148 +       _mt7620_mii_write(gsw, 1, 4, 0x05e1);
2149 +       _mt7620_mii_write(gsw, 2, 4, 0x05e1);
2150 +       _mt7620_mii_write(gsw, 3, 4, 0x05e1);
2151 +       _mt7620_mii_write(gsw, 1, 31, 0xa000); //local, page 2
2152 +       _mt7620_mii_write(gsw, 0, 16, 0x1111);
2153 +       _mt7620_mii_write(gsw, 1, 16, 0x1010);
2154 +       _mt7620_mii_write(gsw, 2, 16, 0x1515);
2155 +       _mt7620_mii_write(gsw, 3, 16, 0x0f0f);
2156 +
2157 +       /* CPU Port6 Force Link 1G, FC ON */
2158 +       gsw_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
2159 +       /* Set Port6 CPU Port */
2160 +       gsw_w32(gsw, 0x7f7f7fe0, 0x0010);
2161 +
2162 +       /* setup port 4 */
2163 +       if (gsw->port4 == PORT4_EPHY) {
2164 +               u32 val = rt_sysc_r32(SYSCFG1);
2165 +               val |= 3 << 14;
2166 +               rt_sysc_w32(val, SYSCFG1);
2167 +               _mt7620_mii_write(gsw, 4, 30, 0xa000);
2168 +               _mt7620_mii_write(gsw, 4, 4, 0x05e1);
2169 +               _mt7620_mii_write(gsw, 4, 16, 0x1313);
2170 +               pr_info("gsw: setting port4 to ephy mode\n");
2171 +       }
2172 +}
2173 +
2174 +void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac)
2175 +{
2176 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
2177 +       unsigned long flags;
2178 +
2179 +       spin_lock_irqsave(&priv->page_lock, flags);
2180 +       gsw_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
2181 +       gsw_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
2182 +               GSW_REG_SMACCR0);
2183 +       spin_unlock_irqrestore(&priv->page_lock, flags);
2184 +}
2185 +
2186 +static struct of_device_id gsw_match[] = {
2187 +       { .compatible = "ralink,mt7620a-gsw" },
2188 +       {}
2189 +};
2190 +
2191 +int mt7620_gsw_config(struct fe_priv *priv)
2192 +{
2193 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
2194 +
2195 +       /* is the mt7530 internal or external */
2196 +       if ((_mt7620_mii_read(gsw, 0x1f, 2) == 1) && (_mt7620_mii_read(gsw, 0x1f, 3) == 0xbeef))
2197 +               mt7530_probe(priv->device, NULL, priv->mii_bus);
2198 +       else
2199 +               mt7530_probe(priv->device, gsw->base, NULL);
2200 +
2201 +       return 0;
2202 +}
2203 +
2204 +int mt7620_gsw_probe(struct fe_priv *priv)
2205 +{
2206 +       struct mt7620_gsw *gsw;
2207 +       struct device_node *np;
2208 +       const char *port4 = NULL;
2209 +
2210 +       np = of_find_matching_node(NULL, gsw_match);
2211 +       if (!np) {
2212 +               dev_err(priv->device, "no gsw node found\n");
2213 +               return -EINVAL;
2214 +       }
2215 +       np = of_node_get(np);
2216 +
2217 +       gsw = devm_kzalloc(priv->device, sizeof(struct mt7620_gsw), GFP_KERNEL);
2218 +       if (!gsw) {
2219 +               dev_err(priv->device, "no gsw memory for private data\n");
2220 +               return -ENOMEM;
2221 +       }
2222 +
2223 +       gsw->irq = irq_of_parse_and_map(np, 0);
2224 +       if (!gsw->irq) {
2225 +               dev_err(priv->device, "no gsw irq resource found\n");
2226 +               return -ENOMEM;
2227 +       }
2228 +
2229 +       gsw->base = of_iomap(np, 0);
2230 +       if (!gsw->base) {
2231 +               dev_err(priv->device, "gsw ioremap failed\n");
2232 +               return -ENOMEM;
2233 +       }
2234 +
2235 +       gsw->dev = priv->device;
2236 +       priv->soc->swpriv = gsw;
2237 +
2238 +       of_property_read_string(np, "ralink,port4", &port4);
2239 +       if (port4 && !strcmp(port4, "ephy"))
2240 +               gsw->port4 = PORT4_EPHY;
2241 +       else if (port4 && !strcmp(port4, "gmac"))
2242 +               gsw->port4 = PORT4_EXT;
2243 +       else
2244 +               WARN_ON(port4);
2245 +
2246 +       gsw_hw_init(gsw);
2247 +
2248 +       gsw_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
2249 +       request_irq(gsw->irq, gsw_interrupt, 0, "gsw", priv);
2250 +
2251 +       return 0;
2252 +}
2253 Index: linux-3.10.21/drivers/net/ethernet/ralink/gsw_mt7620a.h
2254 ===================================================================
2255 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2256 +++ linux-3.10.21/drivers/net/ethernet/ralink/gsw_mt7620a.h     2013-12-09 13:26:42.328125203 +0100
2257 @@ -0,0 +1,30 @@
2258 +/*
2259 + *   This program is free software; you can redistribute it and/or modify
2260 + *   it under the terms of the GNU General Public License as published by
2261 + *   the Free Software Foundation; version 2 of the License
2262 + *
2263 + *   This program is distributed in the hope that it will be useful,
2264 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2265 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2266 + *   GNU General Public License for more details.
2267 + *
2268 + *   You should have received a copy of the GNU General Public License
2269 + *   along with this program; if not, write to the Free Software
2270 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2271 + *
2272 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2273 + */
2274 +
2275 +#ifndef _RALINK_GSW_MT7620_H__
2276 +#define _RALINK_GSW_MT7620_H__
2277 +
2278 +extern int mt7620_gsw_config(struct fe_priv *priv);
2279 +extern int mt7620_gsw_probe(struct fe_priv *priv);
2280 +extern void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac);
2281 +extern int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
2282 +extern int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
2283 +extern void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
2284 +extern void mt7620_port_init(struct fe_priv *priv, struct device_node *np);
2285 +extern int mt7620a_has_carrier(struct fe_priv *priv);
2286 +
2287 +#endif
2288 Index: linux-3.10.21/drivers/net/ethernet/ralink/mdio.c
2289 ===================================================================
2290 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2291 +++ linux-3.10.21/drivers/net/ethernet/ralink/mdio.c    2013-12-09 13:26:42.328125203 +0100
2292 @@ -0,0 +1,244 @@
2293 +/*
2294 + *   This program is free software; you can redistribute it and/or modify
2295 + *   it under the terms of the GNU General Public License as published by
2296 + *   the Free Software Foundation; version 2 of the License
2297 + *
2298 + *   This program is distributed in the hope that it will be useful,
2299 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2300 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2301 + *   GNU General Public License for more details.
2302 + *
2303 + *   You should have received a copy of the GNU General Public License
2304 + *   along with this program; if not, write to the Free Software
2305 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2306 + *
2307 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2308 + */
2309 +
2310 +#include <linux/module.h>
2311 +#include <linux/kernel.h>
2312 +#include <linux/types.h>
2313 +#include <linux/dma-mapping.h>
2314 +#include <linux/init.h>
2315 +#include <linux/skbuff.h>
2316 +#include <linux/etherdevice.h>
2317 +#include <linux/ethtool.h>
2318 +#include <linux/platform_device.h>
2319 +#include <linux/phy.h>
2320 +#include <linux/of_device.h>
2321 +#include <linux/clk.h>
2322 +#include <linux/of_net.h>
2323 +#include <linux/of_mdio.h>
2324 +
2325 +#include "ralink_soc_eth.h"
2326 +#include "mdio.h"
2327 +
2328 +static int fe_mdio_reset(struct mii_bus *bus)
2329 +{
2330 +       /* TODO */
2331 +       return 0;
2332 +}
2333 +
2334 +static void fe_phy_link_adjust(struct net_device *dev)
2335 +{
2336 +       struct fe_priv *priv = netdev_priv(dev);
2337 +       unsigned long flags;
2338 +       int i;
2339 +
2340 +       spin_lock_irqsave(&priv->phy->lock, flags);
2341 +       for (i = 0; i < 8; i++) {
2342 +               if (priv->phy->phy_node[i]) {
2343 +                       struct phy_device *phydev = priv->phy->phy[i];
2344 +                       int status_change = 0;
2345 +
2346 +                       if (phydev->link)
2347 +                               if (priv->phy->duplex[i] != phydev->duplex ||
2348 +                                               priv->phy->speed[i] != phydev->speed)
2349 +                                       status_change = 1;
2350 +
2351 +                       if (phydev->link != priv->link[i])
2352 +                               status_change = 1;
2353 +
2354 +                       switch (phydev->speed) {
2355 +                       case SPEED_1000:
2356 +                       case SPEED_100:
2357 +                       case SPEED_10:
2358 +                               priv->link[i] = phydev->link;
2359 +                               priv->phy->duplex[i] = phydev->duplex;
2360 +                               priv->phy->speed[i] = phydev->speed;
2361 +
2362 +                               if (status_change && priv->soc->mdio_adjust_link)
2363 +                                       priv->soc->mdio_adjust_link(priv, i);
2364 +                               break;
2365 +                       }
2366 +               }
2367 +       }
2368 +}
2369 +
2370 +int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node)
2371 +{
2372 +       const __be32 *_port = NULL;
2373 +       struct phy_device *phydev;
2374 +       int phy_mode, port;
2375 +
2376 +       _port = of_get_property(phy_node, "reg", NULL);
2377 +
2378 +       if (!_port || (be32_to_cpu(*_port) >= 0x20)) {
2379 +               pr_err("%s: invalid port id\n", phy_node->name);
2380 +               return -EINVAL;
2381 +       }
2382 +       port = be32_to_cpu(*_port);
2383 +       phy_mode = of_get_phy_mode(phy_node);
2384 +       if (phy_mode < 0) {
2385 +               dev_err(priv->device, "incorrect phy-mode %d\n", phy_mode);
2386 +               priv->phy->phy_node[port] = NULL;
2387 +               return -EINVAL;
2388 +       }
2389 +
2390 +       phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust,
2391 +                               0, phy_mode);
2392 +       if (IS_ERR(phydev)) {
2393 +               dev_err(priv->device, "could not connect to PHY\n");
2394 +               priv->phy->phy_node[port] = NULL;
2395 +               return PTR_ERR(phydev);
2396 +       }
2397 +
2398 +       phydev->supported &= PHY_GBIT_FEATURES;
2399 +       phydev->advertising = phydev->supported;
2400 +       phydev->no_auto_carrier_off = 1;
2401 +
2402 +       dev_info(priv->device,
2403 +                "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
2404 +                port, dev_name(&phydev->dev), phydev->phy_id,
2405 +                phydev->drv->name);
2406 +
2407 +       priv->phy->phy[port] = phydev;
2408 +       priv->link[port] = 0;
2409 +
2410 +       return 0;
2411 +}
2412 +
2413 +static int fe_phy_connect(struct fe_priv *priv)
2414 +{
2415 +       return 0;
2416 +}
2417 +
2418 +static void fe_phy_disconnect(struct fe_priv *priv)
2419 +{
2420 +       unsigned long flags;
2421 +       int i;
2422 +
2423 +       for (i = 0; i < 8; i++)
2424 +               if (priv->phy->phy_fixed[i]) {
2425 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2426 +                       priv->link[i] = 0;
2427 +                       if (priv->soc->mdio_adjust_link)
2428 +                               priv->soc->mdio_adjust_link(priv, i);
2429 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2430 +               } else if (priv->phy->phy[i]) {
2431 +                       phy_disconnect(priv->phy->phy[i]);
2432 +               }
2433 +}
2434 +
2435 +static void fe_phy_start(struct fe_priv *priv)
2436 +{
2437 +       unsigned long flags;
2438 +       int i;
2439 +
2440 +       for (i = 0; i < 8; i++) {
2441 +               if (priv->phy->phy_fixed[i]) {
2442 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2443 +                       priv->link[i] = 1;
2444 +                       if (priv->soc->mdio_adjust_link)
2445 +                               priv->soc->mdio_adjust_link(priv, i);
2446 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2447 +               } else if (priv->phy->phy[i]) {
2448 +                       phy_start(priv->phy->phy[i]);
2449 +               }
2450 +       }
2451 +}
2452 +
2453 +static void fe_phy_stop(struct fe_priv *priv)
2454 +{
2455 +       unsigned long flags;
2456 +       int i;
2457 +
2458 +       for (i = 0; i < 8; i++)
2459 +               if (priv->phy->phy_fixed[i]) {
2460 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2461 +                       priv->link[i] = 0;
2462 +                       if (priv->soc->mdio_adjust_link)
2463 +                               priv->soc->mdio_adjust_link(priv, i);
2464 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2465 +               } else if (priv->phy->phy[i]) {
2466 +                       phy_stop(priv->phy->phy[i]);
2467 +               }
2468 +}
2469 +
2470 +static struct fe_phy phy_ralink = {
2471 +       .connect = fe_phy_connect,
2472 +       .disconnect = fe_phy_disconnect,
2473 +       .start = fe_phy_start,
2474 +       .stop = fe_phy_stop,
2475 +};
2476 +
2477 +int fe_mdio_init(struct fe_priv *priv)
2478 +{
2479 +       struct device_node *mii_np;
2480 +       int err;
2481 +
2482 +       if (!priv->soc->mdio_read || !priv->soc->mdio_write)
2483 +               return 0;
2484 +
2485 +       spin_lock_init(&phy_ralink.lock);
2486 +       priv->phy = &phy_ralink;
2487 +
2488 +       mii_np = of_get_child_by_name(priv->device->of_node, "mdio-bus");
2489 +       if (!mii_np) {
2490 +               dev_err(priv->device, "no %s child node found", "mdio-bus");
2491 +               return -ENODEV;
2492 +       }
2493 +
2494 +       if (!of_device_is_available(mii_np)) {
2495 +               err = 0;
2496 +               goto err_put_node;
2497 +       }
2498 +
2499 +       priv->mii_bus = mdiobus_alloc();
2500 +       if (priv->mii_bus == NULL) {
2501 +               err = -ENOMEM;
2502 +               goto err_put_node;
2503 +       }
2504 +
2505 +       priv->mii_bus->name = "mdio";
2506 +       priv->mii_bus->read = priv->soc->mdio_read;
2507 +       priv->mii_bus->write = priv->soc->mdio_write;
2508 +       priv->mii_bus->reset = fe_mdio_reset;
2509 +       priv->mii_bus->irq = priv->mii_irq;
2510 +       priv->mii_bus->priv = priv;
2511 +       priv->mii_bus->parent = priv->device;
2512 +
2513 +       snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
2514 +       err = of_mdiobus_register(priv->mii_bus, mii_np);
2515 +       if (err)
2516 +               goto err_free_bus;
2517 +
2518 +       return 0;
2519 +
2520 +err_free_bus:
2521 +       kfree(priv->mii_bus);
2522 +err_put_node:
2523 +       of_node_put(mii_np);
2524 +       priv->mii_bus = NULL;
2525 +       return err;
2526 +}
2527 +
2528 +void fe_mdio_cleanup(struct fe_priv *priv)
2529 +{
2530 +       if (!priv->mii_bus)
2531 +               return;
2532 +
2533 +       mdiobus_unregister(priv->mii_bus);
2534 +       of_node_put(priv->mii_bus->dev.of_node);
2535 +       kfree(priv->mii_bus);
2536 +}
2537 Index: linux-3.10.21/drivers/net/ethernet/ralink/mdio.h
2538 ===================================================================
2539 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2540 +++ linux-3.10.21/drivers/net/ethernet/ralink/mdio.h    2013-12-09 13:26:42.328125203 +0100
2541 @@ -0,0 +1,29 @@
2542 +/*
2543 + *   This program is free software; you can redistribute it and/or modify
2544 + *   it under the terms of the GNU General Public License as published by
2545 + *   the Free Software Foundation; version 2 of the License
2546 + *
2547 + *   This program is distributed in the hope that it will be useful,
2548 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2549 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2550 + *   GNU General Public License for more details.
2551 + *
2552 + *   You should have received a copy of the GNU General Public License
2553 + *   along with this program; if not, write to the Free Software
2554 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2555 + *
2556 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2557 + */
2558 +
2559 +#ifndef _RALINK_MDIO_H__
2560 +#define _RALINK_MDIO_H__
2561 +
2562 +#ifdef CONFIG_NET_RALINK_MDIO
2563 +extern int fe_mdio_init(struct fe_priv *priv);
2564 +extern void fe_mdio_cleanup(struct fe_priv *priv);
2565 +extern int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node);
2566 +#else
2567 +static inline int fe_mdio_init(struct fe_priv *priv) { return 0; }
2568 +static inline void fe_mdio_cleanup(struct fe_priv *priv) {}
2569 +#endif
2570 +#endif
2571 Index: linux-3.10.21/drivers/net/ethernet/ralink/mdio_rt2880.c
2572 ===================================================================
2573 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2574 +++ linux-3.10.21/drivers/net/ethernet/ralink/mdio_rt2880.c     2013-12-09 13:26:42.328125203 +0100
2575 @@ -0,0 +1,232 @@
2576 +/*
2577 + *   This program is free software; you can redistribute it and/or modify
2578 + *   it under the terms of the GNU General Public License as published by
2579 + *   the Free Software Foundation; version 2 of the License
2580 + *
2581 + *   This program is distributed in the hope that it will be useful,
2582 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2583 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2584 + *   GNU General Public License for more details.
2585 + *
2586 + *   You should have received a copy of the GNU General Public License
2587 + *   along with this program; if not, write to the Free Software
2588 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2589 + *
2590 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2591 + */
2592 +
2593 +#include <linux/module.h>
2594 +#include <linux/kernel.h>
2595 +#include <linux/types.h>
2596 +#include <linux/dma-mapping.h>
2597 +#include <linux/init.h>
2598 +#include <linux/skbuff.h>
2599 +#include <linux/etherdevice.h>
2600 +#include <linux/ethtool.h>
2601 +#include <linux/platform_device.h>
2602 +#include <linux/phy.h>
2603 +#include <linux/of_device.h>
2604 +#include <linux/clk.h>
2605 +#include <linux/of_net.h>
2606 +#include <linux/of_mdio.h>
2607 +
2608 +#include "ralink_soc_eth.h"
2609 +#include "mdio_rt2880.h"
2610 +#include "mdio.h"
2611 +
2612 +#define FE_MDIO_RETRY  1000
2613 +
2614 +static unsigned char *rt2880_speed_str(struct fe_priv *priv)
2615 +{
2616 +       switch (priv->phy->speed[0]) {
2617 +       case SPEED_1000:
2618 +               return "1000";
2619 +       case SPEED_100:
2620 +               return "100";
2621 +       case SPEED_10:
2622 +               return "10";
2623 +       }
2624 +
2625 +       return "?";
2626 +}
2627 +
2628 +void rt2880_mdio_link_adjust(struct fe_priv *priv, int port)
2629 +{
2630 +       u32 mdio_cfg;
2631 +
2632 +       if (!priv->link[0]) {
2633 +               netif_carrier_off(priv->netdev);
2634 +               netdev_info(priv->netdev, "link down\n");
2635 +               return;
2636 +       }
2637 +
2638 +       mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 |
2639 +                  FE_MDIO_CFG_RX_CLK_SKEW_200 |
2640 +                  FE_MDIO_CFG_GP1_FRC_EN;
2641 +
2642 +       if (priv->phy->duplex[0] == DUPLEX_FULL)
2643 +               mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX;
2644 +
2645 +       if (priv->phy->tx_fc[0])
2646 +               mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX;
2647 +
2648 +       if (priv->phy->rx_fc[0])
2649 +               mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX;
2650 +
2651 +       switch (priv->phy->speed[0]) {
2652 +       case SPEED_10:
2653 +               mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10;
2654 +               break;
2655 +       case SPEED_100:
2656 +               mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100;
2657 +               break;
2658 +       case SPEED_1000:
2659 +               mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000;
2660 +               break;
2661 +       default:
2662 +               BUG();
2663 +       }
2664 +
2665 +       fe_w32(mdio_cfg, FE_MDIO_CFG);
2666 +
2667 +       netif_carrier_on(priv->netdev);
2668 +       netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n",
2669 +                   rt2880_speed_str(priv),
2670 +                   (DUPLEX_FULL == priv->phy->duplex[0]) ? "Full" : "Half");
2671 +}
2672 +
2673 +static int rt2880_mdio_wait_ready(struct fe_priv *priv)
2674 +{
2675 +       int retries;
2676 +
2677 +       retries = FE_MDIO_RETRY;
2678 +       while (1) {
2679 +               u32 t;
2680 +
2681 +               t = fe_r32(FE_MDIO_ACCESS);
2682 +               if ((t & (0x1 << 31)) == 0)
2683 +                       return 0;
2684 +
2685 +               if (retries-- == 0)
2686 +                       break;
2687 +
2688 +               udelay(1);
2689 +       }
2690 +
2691 +       dev_err(priv->device, "MDIO operation timed out\n");
2692 +       return -ETIMEDOUT;
2693 +}
2694 +
2695 +int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
2696 +{
2697 +       struct fe_priv *priv = bus->priv;
2698 +       int err;
2699 +       u32 t;
2700 +
2701 +       err = rt2880_mdio_wait_ready(priv);
2702 +       if (err)
2703 +               return 0xffff;
2704 +
2705 +       t = (phy_addr << 24) | (phy_reg << 16);
2706 +       fe_w32(t, FE_MDIO_ACCESS);
2707 +       t |= (1 << 31);
2708 +       fe_w32(t, FE_MDIO_ACCESS);
2709 +
2710 +       err = rt2880_mdio_wait_ready(priv);
2711 +       if (err)
2712 +               return 0xffff;
2713 +
2714 +       pr_info("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
2715 +               phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
2716 +
2717 +       return fe_r32(FE_MDIO_ACCESS) & 0xffff;
2718 +}
2719 +
2720 +int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
2721 +{
2722 +       struct fe_priv *priv = bus->priv;
2723 +       int err;
2724 +       u32 t;
2725 +
2726 +       pr_info("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
2727 +               phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
2728 +
2729 +       err = rt2880_mdio_wait_ready(priv);
2730 +       if (err)
2731 +               return err;
2732 +
2733 +       t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val;
2734 +       fe_w32(t, FE_MDIO_ACCESS);
2735 +       t |= (1 << 31);
2736 +       fe_w32(t, FE_MDIO_ACCESS);
2737 +
2738 +       return rt2880_mdio_wait_ready(priv);
2739 +}
2740 +
2741 +void rt2880_port_init(struct fe_priv *priv, struct device_node *np)
2742 +{
2743 +       const __be32 *id = of_get_property(np, "reg", NULL);
2744 +       const __be32 *link;
2745 +       int size;
2746 +       int phy_mode;
2747 +
2748 +       if (!id || (be32_to_cpu(*id) != 0)) {
2749 +               pr_err("%s: invalid port id\n", np->name);
2750 +               return;
2751 +       }
2752 +
2753 +       priv->phy->phy_fixed[0] = of_get_property(np, "ralink,fixed-link", &size);
2754 +       if (priv->phy->phy_fixed[0] && (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) {
2755 +               pr_err("%s: invalid fixed link property\n", np->name);
2756 +               priv->phy->phy_fixed[0] = NULL;
2757 +               return;
2758 +       }
2759 +
2760 +       phy_mode = of_get_phy_mode(np);
2761 +       switch (phy_mode) {
2762 +       case PHY_INTERFACE_MODE_RGMII:
2763 +               break;
2764 +       case PHY_INTERFACE_MODE_MII:
2765 +               break;
2766 +       case PHY_INTERFACE_MODE_RMII:
2767 +               break;
2768 +       default:
2769 +               if (!priv->phy->phy_fixed[0])
2770 +                       dev_err(priv->device, "port %d - invalid phy mode\n", priv->phy->speed[0]);
2771 +               break;
2772 +       }
2773 +
2774 +       priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0);
2775 +       if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0])
2776 +               return;
2777 +
2778 +       if (priv->phy->phy_fixed[0]) {
2779 +               link = priv->phy->phy_fixed[0];
2780 +               priv->phy->speed[0] = be32_to_cpup(link++);
2781 +               priv->phy->duplex[0] = be32_to_cpup(link++);
2782 +               priv->phy->tx_fc[0] = be32_to_cpup(link++);
2783 +               priv->phy->rx_fc[0] = be32_to_cpup(link++);
2784 +
2785 +               priv->link[0] = 1;
2786 +               switch (priv->phy->speed[0]) {
2787 +               case SPEED_10:
2788 +                       break;
2789 +               case SPEED_100:
2790 +                       break;
2791 +               case SPEED_1000:
2792 +                       break;
2793 +               default:
2794 +                       dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[0]);
2795 +                       priv->phy->phy_fixed[0] = 0;
2796 +                       return;
2797 +               }
2798 +               dev_info(priv->device, "using fixed link parameters\n");
2799 +               rt2880_mdio_link_adjust(priv, 0);
2800 +               return;
2801 +       }
2802 +       if (priv->phy->phy_node[0] && priv->mii_bus->phy_map[0]) {
2803 +               fe_connect_phy_node(priv, priv->phy->phy_node[0]);
2804 +       }
2805 +
2806 +       return;
2807 +}
2808 Index: linux-3.10.21/drivers/net/ethernet/ralink/mdio_rt2880.h
2809 ===================================================================
2810 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2811 +++ linux-3.10.21/drivers/net/ethernet/ralink/mdio_rt2880.h     2013-12-09 13:26:42.328125203 +0100
2812 @@ -0,0 +1,26 @@
2813 +/*
2814 + *   This program is free software; you can redistribute it and/or modify
2815 + *   it under the terms of the GNU General Public License as published by
2816 + *   the Free Software Foundation; version 2 of the License
2817 + *
2818 + *   This program is distributed in the hope that it will be useful,
2819 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2820 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2821 + *   GNU General Public License for more details.
2822 + *
2823 + *   You should have received a copy of the GNU General Public License
2824 + *   along with this program; if not, write to the Free Software
2825 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2826 + *
2827 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2828 + */
2829 +
2830 +#ifndef _RALINK_MDIO_RT2880_H__
2831 +#define _RALINK_MDIO_RT2880_H__
2832 +
2833 +void rt2880_mdio_link_adjust(struct fe_priv *priv, int port);
2834 +int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
2835 +int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
2836 +void rt2880_port_init(struct fe_priv *priv, struct device_node *np);
2837 +
2838 +#endif
2839 Index: linux-3.10.21/drivers/net/ethernet/ralink/ralink_soc_eth.c
2840 ===================================================================
2841 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2842 +++ linux-3.10.21/drivers/net/ethernet/ralink/ralink_soc_eth.c  2013-12-09 14:01:00.060174130 +0100
2843 @@ -0,0 +1,846 @@
2844 +/*
2845 + *   This program is free software; you can redistribute it and/or modify
2846 + *   it under the terms of the GNU General Public License as published by
2847 + *   the Free Software Foundation; version 2 of the License
2848 + *
2849 + *   This program is distributed in the hope that it will be useful,
2850 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2851 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2852 + *   GNU General Public License for more details.
2853 + *
2854 + *   You should have received a copy of the GNU General Public License
2855 + *   along with this program; if not, write to the Free Software
2856 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2857 + *
2858 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2859 + */
2860 +
2861 +#include <linux/module.h>
2862 +#include <linux/kernel.h>
2863 +#include <linux/types.h>
2864 +#include <linux/dma-mapping.h>
2865 +#include <linux/init.h>
2866 +#include <linux/skbuff.h>
2867 +#include <linux/etherdevice.h>
2868 +#include <linux/ethtool.h>
2869 +#include <linux/platform_device.h>
2870 +#include <linux/of_device.h>
2871 +#include <linux/clk.h>
2872 +#include <linux/of_net.h>
2873 +#include <linux/of_mdio.h>
2874 +#include <linux/if_vlan.h>
2875 +#include <linux/reset.h>
2876 +
2877 +#include <asm/mach-ralink/ralink_regs.h>
2878 +
2879 +#include "ralink_soc_eth.h"
2880 +#include "esw_rt3052.h"
2881 +#include "mdio.h"
2882 +
2883 +#define TX_TIMEOUT             (2 * HZ)
2884 +#define        MAX_RX_LENGTH           1536
2885 +#define DMA_DUMMY_DESC         0xffffffff
2886 +
2887 +static const u32 fe_reg_table_default[FE_REG_COUNT] = {
2888 +       [FE_REG_PDMA_GLO_CFG] = FE_PDMA_GLO_CFG,
2889 +       [FE_REG_PDMA_RST_CFG] = FE_PDMA_RST_CFG,
2890 +       [FE_REG_DLY_INT_CFG] = FE_DLY_INT_CFG,
2891 +       [FE_REG_TX_BASE_PTR0] = FE_TX_BASE_PTR0,
2892 +       [FE_REG_TX_MAX_CNT0] = FE_TX_MAX_CNT0,
2893 +       [FE_REG_TX_CTX_IDX0] = FE_TX_CTX_IDX0,
2894 +       [FE_REG_RX_BASE_PTR0] = FE_RX_BASE_PTR0,
2895 +       [FE_REG_RX_MAX_CNT0] = FE_RX_MAX_CNT0,
2896 +       [FE_REG_RX_CALC_IDX0] = FE_RX_CALC_IDX0,
2897 +       [FE_REG_FE_INT_ENABLE] = FE_FE_INT_ENABLE,
2898 +       [FE_REG_FE_INT_STATUS] = FE_FE_INT_STATUS,
2899 +};
2900 +
2901 +static const u32 *fe_reg_table = fe_reg_table_default;
2902 +
2903 +static void __iomem *fe_base = 0;
2904 +
2905 +void fe_w32(u32 val, unsigned reg)
2906 +{
2907 +       __raw_writel(val, fe_base + reg);
2908 +}
2909 +
2910 +u32 fe_r32(unsigned reg)
2911 +{
2912 +       return __raw_readl(fe_base + reg);
2913 +}
2914 +
2915 +static inline void fe_reg_w32(u32 val, enum fe_reg reg)
2916 +{
2917 +       fe_w32(val, fe_reg_table[reg]);
2918 +}
2919 +
2920 +static inline u32 fe_reg_r32(enum fe_reg reg)
2921 +{
2922 +       return fe_r32(fe_reg_table[reg]);
2923 +}
2924 +
2925 +static inline void fe_int_disable(u32 mask)
2926 +{
2927 +       fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask,
2928 +                    FE_REG_FE_INT_ENABLE);
2929 +       /* flush write */
2930 +       fe_reg_r32(FE_REG_FE_INT_ENABLE);
2931 +}
2932 +
2933 +static inline void fe_int_enable(u32 mask)
2934 +{
2935 +       fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) | mask,
2936 +                    FE_REG_FE_INT_ENABLE);
2937 +       /* flush write */
2938 +       fe_reg_r32(FE_REG_FE_INT_ENABLE);
2939 +}
2940 +
2941 +static inline void fe_hw_set_macaddr(struct fe_priv *priv, unsigned char *mac)
2942 +{
2943 +       unsigned long flags;
2944 +
2945 +       spin_lock_irqsave(&priv->page_lock, flags);
2946 +       fe_w32((mac[0] << 8) | mac[1], FE_GDMA1_MAC_ADRH);
2947 +       fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
2948 +                    FE_GDMA1_MAC_ADRL);
2949 +       spin_unlock_irqrestore(&priv->page_lock, flags);
2950 +}
2951 +
2952 +static int fe_set_mac_address(struct net_device *dev, void *p)
2953 +{
2954 +       int ret = eth_mac_addr(dev, p);
2955 +
2956 +       if (!ret) {
2957 +               struct fe_priv *priv = netdev_priv(dev);
2958 +
2959 +               if (priv->soc->set_mac)
2960 +                       priv->soc->set_mac(priv, dev->dev_addr);
2961 +               else
2962 +                       fe_hw_set_macaddr(priv, p);
2963 +       }
2964 +
2965 +       return ret;
2966 +}
2967 +
2968 +static struct sk_buff* fe_alloc_skb(struct fe_priv *priv)
2969 +{
2970 +       struct sk_buff *skb;
2971 +
2972 +       skb = netdev_alloc_skb(priv->netdev, MAX_RX_LENGTH + NET_IP_ALIGN);
2973 +       if (!skb)
2974 +               return NULL;
2975 +
2976 +       skb_reserve(skb, NET_IP_ALIGN);
2977 +
2978 +       return skb;
2979 +}
2980 +
2981 +static int fe_alloc_rx(struct fe_priv *priv)
2982 +{
2983 +       int size = NUM_DMA_DESC * sizeof(struct fe_rx_dma);
2984 +       int i;
2985 +
2986 +       priv->rx_dma = dma_alloc_coherent(&priv->netdev->dev, size,
2987 +                                       &priv->rx_phys, GFP_ATOMIC);
2988 +       if (!priv->rx_dma)
2989 +               return -ENOMEM;
2990 +
2991 +       memset(priv->rx_dma, 0, size);
2992 +
2993 +       for (i = 0; i < NUM_DMA_DESC; i++) {
2994 +               priv->rx_skb[i] = fe_alloc_skb(priv);
2995 +               if (!priv->rx_skb[i])
2996 +                       return -ENOMEM;
2997 +       }
2998 +
2999 +       for (i = 0; i < NUM_DMA_DESC; i++) {
3000 +               dma_addr_t dma_addr = dma_map_single(&priv->netdev->dev,
3001 +                                               priv->rx_skb[i]->data,
3002 +                                               MAX_RX_LENGTH,
3003 +                                               DMA_FROM_DEVICE);
3004 +               priv->rx_dma[i].rxd1 = (unsigned int) dma_addr;
3005 +
3006 +               if (priv->soc->rx_dma)
3007 +                       priv->soc->rx_dma(priv, i, MAX_RX_LENGTH);
3008 +               else
3009 +                       priv->rx_dma[i].rxd2 = RX_DMA_LSO;
3010 +       }
3011 +       wmb();
3012 +
3013 +       fe_reg_w32(priv->rx_phys, FE_REG_RX_BASE_PTR0);
3014 +       fe_reg_w32(NUM_DMA_DESC, FE_REG_RX_MAX_CNT0);
3015 +       fe_reg_w32((NUM_DMA_DESC - 1), FE_REG_RX_CALC_IDX0);
3016 +       fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG);
3017 +
3018 +       return 0;
3019 +}
3020 +
3021 +static int fe_alloc_tx(struct fe_priv *priv)
3022 +{
3023 +       int size = NUM_DMA_DESC * sizeof(struct fe_tx_dma);
3024 +       int i;
3025 +
3026 +       priv->tx_free_idx = 0;
3027 +
3028 +       priv->tx_dma = dma_alloc_coherent(&priv->netdev->dev, size,
3029 +                                       &priv->tx_phys, GFP_ATOMIC);
3030 +       if (!priv->tx_dma)
3031 +               return -ENOMEM;
3032 +
3033 +       memset(priv->tx_dma, 0, size);
3034 +
3035 +       for (i = 0; i < NUM_DMA_DESC; i++) {
3036 +               if (priv->soc->tx_dma) {
3037 +                       priv->soc->tx_dma(priv, i, NULL);
3038 +                       continue;
3039 +               }
3040 +
3041 +               priv->tx_dma[i].txd2 = TX_DMA_LSO | TX_DMA_DONE;
3042 +               priv->tx_dma[i].txd4 = TX_DMA_QN(3) | TX_DMA_PN(1);
3043 +       }
3044 +
3045 +       fe_reg_w32(priv->tx_phys, FE_REG_TX_BASE_PTR0);
3046 +       fe_reg_w32(NUM_DMA_DESC, FE_REG_TX_MAX_CNT0);
3047 +       fe_reg_w32(0, FE_REG_TX_CTX_IDX0);
3048 +       fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG);
3049 +
3050 +       return 0;
3051 +}
3052 +
3053 +static void fe_free_dma(struct fe_priv *priv)
3054 +{
3055 +       int i;
3056 +
3057 +       for (i = 0; i < NUM_DMA_DESC; i++) {
3058 +               if (priv->rx_skb[i]) {
3059 +                       dma_unmap_single(&priv->netdev->dev, priv->rx_dma[i].rxd1,
3060 +                                               MAX_RX_LENGTH, DMA_FROM_DEVICE);
3061 +                       dev_kfree_skb_any(priv->rx_skb[i]);
3062 +                       priv->rx_skb[i] = NULL;
3063 +               }
3064 +
3065 +               if (priv->tx_skb[i]) {
3066 +                       dev_kfree_skb_any(priv->tx_skb[i]);
3067 +                       priv->tx_skb[i] = NULL;
3068 +               }
3069 +       }
3070 +
3071 +       if (priv->rx_dma) {
3072 +               int size = NUM_DMA_DESC * sizeof(struct fe_rx_dma);
3073 +               dma_free_coherent(&priv->netdev->dev, size, priv->rx_dma,
3074 +                                       priv->rx_phys);
3075 +       }
3076 +
3077 +       if (priv->tx_dma) {
3078 +               int size = NUM_DMA_DESC * sizeof(struct fe_tx_dma);
3079 +               dma_free_coherent(&priv->netdev->dev, size, priv->tx_dma,
3080 +                                       priv->tx_phys);
3081 +       }
3082 +
3083 +       netdev_reset_queue(priv->netdev);
3084 +}
3085 +
3086 +static void fe_start_tso(struct sk_buff *skb, struct net_device *dev, unsigned int nr_frags, int idx)
3087 +{
3088 +        struct fe_priv *priv = netdev_priv(dev);
3089 +       struct skb_frag_struct *frag;
3090 +       int i;
3091 +
3092 +       for (i = 0; i < nr_frags; i++) {
3093 +               dma_addr_t mapped_addr;
3094 +
3095 +               frag = &skb_shinfo(skb)->frags[i];
3096 +               mapped_addr = skb_frag_dma_map(&dev->dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE);
3097 +               if (i % 2) {
3098 +                       idx = (idx + 1) % NUM_DMA_DESC;
3099 +                       priv->tx_dma[idx].txd1 = mapped_addr;
3100 +                       if (i == nr_frags - 1)
3101 +                               priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(frag->size);
3102 +                       else
3103 +                               priv->tx_dma[idx].txd2 = TX_DMA_PLEN0(frag->size);
3104 +               } else {
3105 +                       priv->tx_dma[idx].txd3 = mapped_addr;
3106 +                       if (i == nr_frags - 1)
3107 +                               priv->tx_dma[idx].txd2 |= TX_DMA_LS1 | TX_DMA_PLEN1(frag->size);
3108 +                       else
3109 +                               priv->tx_dma[idx].txd2 |= TX_DMA_PLEN1(frag->size);
3110 +               }
3111 +       }
3112 +}
3113 +
3114 +static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev)
3115 +{
3116 +       unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
3117 +       struct fe_priv *priv = netdev_priv(dev);
3118 +       dma_addr_t mapped_addr;
3119 +       u32 tx_next, tx, tx_num = 1;
3120 +       int i;
3121 +
3122 +       if (priv->soc->min_pkt_len) {
3123 +               if (skb->len < priv->soc->min_pkt_len) {
3124 +                       if (skb_padto(skb, priv->soc->min_pkt_len)) {
3125 +                               printk(KERN_ERR
3126 +                                      "fe_eth: skb_padto failed\n");
3127 +                               kfree_skb(skb);
3128 +                               return 0;
3129 +                       }
3130 +                       skb_put(skb, priv->soc->min_pkt_len - skb->len);
3131 +               }
3132 +       }
3133 +
3134 +       dev->trans_start = jiffies;
3135 +       mapped_addr = dma_map_single(&priv->netdev->dev, skb->data,
3136 +                               skb->len, DMA_TO_DEVICE);
3137 +
3138 +       spin_lock(&priv->page_lock);
3139 +
3140 +       tx = fe_reg_r32(FE_REG_TX_CTX_IDX0);
3141 +       if (priv->soc->tso && nr_frags)
3142 +               tx_num += nr_frags >> 1;
3143 +       tx_next = (tx + tx_num) % NUM_DMA_DESC;
3144 +       if ((priv->tx_skb[tx]) || (priv->tx_skb[tx_next]) ||
3145 +                       !(priv->tx_dma[tx].txd2 & TX_DMA_DONE) ||
3146 +                       !(priv->tx_dma[tx_next].txd2 & TX_DMA_DONE))
3147 +       {
3148 +               spin_unlock(&priv->page_lock);
3149 +               dev->stats.tx_dropped++;
3150 +               kfree_skb(skb);
3151 +
3152 +               return NETDEV_TX_OK;
3153 +       }
3154 +
3155 +       if (priv->soc->tso) {
3156 +               int t = tx_num;
3157 +
3158 +               priv->tx_skb[(tx + t - 1) % NUM_DMA_DESC] = skb;
3159 +               while (--t)
3160 +                       priv->tx_skb[(tx + t - 1) % NUM_DMA_DESC] = (struct sk_buff *) DMA_DUMMY_DESC;
3161 +       } else {
3162 +               priv->tx_skb[tx] = skb;
3163 +       }
3164 +       priv->tx_dma[tx].txd1 = (unsigned int) mapped_addr;
3165 +       wmb();
3166 +
3167 +       priv->tx_dma[tx].txd4 &= ~0x80;
3168 +       if (priv->soc->tx_dma)
3169 +               priv->soc->tx_dma(priv, tx, skb);
3170 +       else
3171 +               priv->tx_dma[tx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(skb->len);
3172 +
3173 +       if (skb->ip_summed == CHECKSUM_PARTIAL)
3174 +               priv->tx_dma[tx].txd4 |= TX_DMA_CHKSUM;
3175 +       else
3176 +               priv->tx_dma[tx].txd4 &= ~TX_DMA_CHKSUM;
3177 +
3178 +       if (priv->soc->tso)
3179 +               fe_start_tso(skb, dev, nr_frags, tx);
3180 +
3181 +       if (skb_shinfo(skb)->gso_segs > 1) {
3182 +               struct iphdr *iph = NULL;
3183 +               struct tcphdr *th = NULL;
3184 +               struct ipv6hdr *ip6h = NULL;
3185 +
3186 +               ip6h = (struct ipv6hdr *) skb_network_header(skb);
3187 +               iph = (struct iphdr *) skb_network_header(skb);
3188 +               if ((iph->version == 4) && (iph->protocol == IPPROTO_TCP)) {
3189 +                       th = (struct tcphdr *)skb_transport_header(skb);
3190 +                       priv->tx_dma[tx].txd4 |= BIT(28);
3191 +                       th->check = htons(skb_shinfo(skb)->gso_size);
3192 +                       dma_cache_sync(NULL, th, sizeof(struct tcphdr), DMA_TO_DEVICE);
3193 +               } else if ((ip6h->version == 6) && (ip6h->nexthdr == NEXTHDR_TCP)) {
3194 +                       th = (struct tcphdr *)skb_transport_header(skb);
3195 +                       priv->tx_dma[tx].txd4 |= BIT(28);
3196 +                       th->check = htons(skb_shinfo(skb)->gso_size);
3197 +                       dma_cache_sync(NULL, th, sizeof(struct tcphdr), DMA_TO_DEVICE);
3198 +               }
3199 +       }
3200 +
3201 +       for (i = 0; i < tx_num; i++)
3202 +               dma_cache_sync(NULL,  &priv->tx_dma[tx + i], sizeof(struct fe_tx_dma), DMA_TO_DEVICE);
3203 +
3204 +       dev->stats.tx_packets++;
3205 +       dev->stats.tx_bytes += skb->len;
3206 +
3207 +       wmb();
3208 +       fe_reg_w32(tx_next, FE_REG_TX_CTX_IDX0);
3209 +       netdev_sent_queue(dev, skb->len);
3210 +
3211 +       spin_unlock(&priv->page_lock);
3212 +
3213 +       return NETDEV_TX_OK;
3214 +}
3215 +
3216 +static int fe_poll_rx(struct napi_struct *napi, int budget)
3217 +{
3218 +       struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi);
3219 +       int idx = fe_reg_r32(FE_REG_RX_CALC_IDX0);
3220 +       int complete = 0;
3221 +       int rx = 0;
3222 +
3223 +       while ((rx < budget) && !complete) {
3224 +               idx = (idx + 1) % NUM_DMA_DESC;
3225 +
3226 +               if (priv->rx_dma[idx].rxd2 & RX_DMA_DONE) {
3227 +                       struct sk_buff *new_skb = fe_alloc_skb(priv);
3228 +
3229 +                       if (new_skb) {
3230 +                               int pktlen = RX_DMA_PLEN0(priv->rx_dma[idx].rxd2);
3231 +                               dma_addr_t dma_addr;
3232 +
3233 +                               dma_unmap_single(&priv->netdev->dev, priv->rx_dma[idx].rxd1,
3234 +                                               MAX_RX_LENGTH, DMA_FROM_DEVICE);
3235 +
3236 +                               skb_put(priv->rx_skb[idx], pktlen);
3237 +                               priv->rx_skb[idx]->dev = priv->netdev;
3238 +                               priv->rx_skb[idx]->protocol = eth_type_trans(priv->rx_skb[idx], priv->netdev);
3239 +                               if (priv->rx_dma[idx].rxd4 & priv->soc->checksum_bit)
3240 +                                       priv->rx_skb[idx]->ip_summed = CHECKSUM_UNNECESSARY;
3241 +                               else
3242 +                                       priv->rx_skb[idx]->ip_summed = CHECKSUM_NONE;
3243 +                               priv->netdev->stats.rx_packets++;
3244 +                               priv->netdev->stats.rx_bytes += pktlen;
3245 +
3246 +#ifdef CONFIG_INET_LRO
3247 +                               if (priv->soc->get_skb_header && priv->rx_skb[idx]->ip_summed == CHECKSUM_UNNECESSARY)
3248 +                                       lro_receive_skb(&priv->lro_mgr, priv->rx_skb[idx], NULL);
3249 +                               else
3250 +#endif
3251 +                                       netif_receive_skb(priv->rx_skb[idx]);
3252 +
3253 +                               priv->rx_skb[idx] = new_skb;
3254 +
3255 +                               dma_addr = dma_map_single(&priv->netdev->dev,
3256 +                                                 new_skb->data,
3257 +                                                 MAX_RX_LENGTH,
3258 +                                                 DMA_FROM_DEVICE);
3259 +                               priv->rx_dma[idx].rxd1 = (unsigned int) dma_addr;
3260 +                               wmb();
3261 +                       } else {
3262 +                               priv->netdev->stats.rx_dropped++;
3263 +                       }
3264 +
3265 +                       if (priv->soc->rx_dma)
3266 +                               priv->soc->rx_dma(priv, idx, MAX_RX_LENGTH);
3267 +                       else
3268 +                               priv->rx_dma[idx].rxd2 = RX_DMA_LSO;
3269 +                       fe_reg_w32(idx, FE_REG_RX_CALC_IDX0);
3270 +
3271 +                       rx++;
3272 +               } else {
3273 +                       complete = 1;
3274 +               }
3275 +       }
3276 +
3277 +#ifdef CONFIG_INET_LRO
3278 +       if (priv->soc->get_skb_header)
3279 +               lro_flush_all(&priv->lro_mgr);
3280 +#endif
3281 +       if (complete) {
3282 +               napi_complete(&priv->rx_napi);
3283 +               fe_int_enable(priv->soc->rx_dly_int);
3284 +       }
3285 +
3286 +       return rx;
3287 +}
3288 +
3289 +static void fe_tx_housekeeping(unsigned long ptr)
3290 +{
3291 +       struct net_device *dev = (struct net_device*)ptr;
3292 +       struct fe_priv *priv = netdev_priv(dev);
3293 +       unsigned int bytes_compl = 0;
3294 +       unsigned int pkts_compl = 0;
3295 +
3296 +       spin_lock(&priv->page_lock);
3297 +       while (1) {
3298 +               struct fe_tx_dma *txd;
3299 +
3300 +               txd = &priv->tx_dma[priv->tx_free_idx];
3301 +
3302 +               if (!(txd->txd2 & TX_DMA_DONE) || !(priv->tx_skb[priv->tx_free_idx]))
3303 +                       break;
3304 +
3305 +               if (priv->tx_skb[priv->tx_free_idx] != (struct sk_buff *) DMA_DUMMY_DESC) {
3306 +                       bytes_compl += priv->tx_skb[priv->tx_free_idx]->len;
3307 +                       dev_kfree_skb_irq(priv->tx_skb[priv->tx_free_idx]);
3308 +               }
3309 +               pkts_compl++;
3310 +               priv->tx_skb[priv->tx_free_idx] = NULL;
3311 +               priv->tx_free_idx++;
3312 +               if (priv->tx_free_idx >= NUM_DMA_DESC)
3313 +                       priv->tx_free_idx = 0;
3314 +       }
3315 +
3316 +       netdev_completed_queue(priv->netdev, pkts_compl, bytes_compl);
3317 +        spin_unlock(&priv->page_lock);
3318 +
3319 +       fe_int_enable(priv->soc->tx_dly_int);
3320 +}
3321 +
3322 +static void fe_tx_timeout(struct net_device *dev)
3323 +{
3324 +       struct fe_priv *priv = netdev_priv(dev);
3325 +
3326 +        tasklet_schedule(&priv->tx_tasklet);
3327 +       priv->netdev->stats.tx_errors++;
3328 +       netdev_err(dev, "transmit timed out, waking up the queue\n");
3329 +       netif_wake_queue(dev);
3330 +}
3331 +
3332 +static irqreturn_t fe_handle_irq(int irq, void *dev)
3333 +{
3334 +       struct fe_priv *priv = netdev_priv(dev);
3335 +       unsigned int status;
3336 +       unsigned int mask;
3337 +
3338 +       status = fe_reg_r32(FE_REG_FE_INT_STATUS);
3339 +       mask = fe_reg_r32(FE_REG_FE_INT_ENABLE);
3340 +
3341 +       if (!(status & mask))
3342 +               return IRQ_NONE;
3343 +
3344 +       if (status & priv->soc->rx_dly_int) {
3345 +               fe_int_disable(priv->soc->rx_dly_int);
3346 +               napi_schedule(&priv->rx_napi);
3347 +       }
3348 +
3349 +       if (status & priv->soc->tx_dly_int) {
3350 +               fe_int_disable(priv->soc->tx_dly_int);
3351 +               tasklet_schedule(&priv->tx_tasklet);
3352 +       }
3353 +
3354 +       fe_reg_w32(status, FE_REG_FE_INT_STATUS);
3355 +
3356 +       return IRQ_HANDLED;
3357 +}
3358 +
3359 +static int fe_hw_init(struct net_device *dev)
3360 +{
3361 +       struct fe_priv *priv = netdev_priv(dev);
3362 +       int err;
3363 +
3364 +       err = devm_request_irq(priv->device, dev->irq, fe_handle_irq, 0,
3365 +                               dev_name(priv->device), dev);
3366 +       if (err)
3367 +               return err;
3368 +
3369 +       err = fe_alloc_rx(priv);
3370 +       if (!err)
3371 +               err = fe_alloc_tx(priv);
3372 +       if (err)
3373 +               return err;
3374 +
3375 +       if (priv->soc->set_mac)
3376 +               priv->soc->set_mac(priv, dev->dev_addr);
3377 +       else
3378 +               fe_hw_set_macaddr(priv, dev->dev_addr);
3379 +
3380 +       fe_reg_w32(FE_DELAY_INIT, FE_REG_DLY_INT_CFG);
3381 +
3382 +       fe_int_disable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
3383 +
3384 +       tasklet_init(&priv->tx_tasklet, fe_tx_housekeeping, (unsigned long)dev);
3385 +
3386 +       if (priv->soc->fwd_config) {
3387 +               priv->soc->fwd_config(priv);
3388 +       } else {
3389 +               unsigned long sysclk = priv->sysclk;
3390 +
3391 +               if (!sysclk) {
3392 +                       netdev_err(dev, "unable to get clock\n");
3393 +                       return -EINVAL;
3394 +               }
3395 +
3396 +               sysclk /= FE_US_CYC_CNT_DIVISOR;
3397 +               sysclk <<= FE_US_CYC_CNT_SHIFT;
3398 +
3399 +               fe_w32((fe_r32(FE_FE_GLO_CFG) &
3400 +                       ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) | sysclk,
3401 +                       FE_FE_GLO_CFG);
3402 +
3403 +               fe_w32(fe_r32(FE_GDMA1_FWD_CFG) & ~0xffff, FE_GDMA1_FWD_CFG);
3404 +               fe_w32(fe_r32(FE_GDMA1_FWD_CFG) | (FE_GDM1_ICS_EN | FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
3405 +                       FE_GDMA1_FWD_CFG);
3406 +               fe_w32(fe_r32(FE_CDMA_CSG_CFG) | (FE_ICS_GEN_EN | FE_TCS_GEN_EN | FE_UCS_GEN_EN),
3407 +                       FE_CDMA_CSG_CFG);
3408 +               fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
3409 +       }
3410 +
3411 +       fe_w32(1, FE_FE_RST_GL);
3412 +       fe_w32(0, FE_FE_RST_GL);
3413 +
3414 +       return 0;
3415 +}
3416 +
3417 +static int fe_open(struct net_device *dev)
3418 +{
3419 +       struct fe_priv *priv = netdev_priv(dev);
3420 +       unsigned long flags;
3421 +       u32 val;
3422 +
3423 +       spin_lock_irqsave(&priv->page_lock, flags);
3424 +       napi_enable(&priv->rx_napi);
3425 +
3426 +       val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN;
3427 +       val |= priv->soc->pdma_glo_cfg;
3428 +       fe_reg_w32(val, FE_REG_PDMA_GLO_CFG);
3429 +
3430 +       spin_unlock_irqrestore(&priv->page_lock, flags);
3431 +
3432 +       if (priv->phy)
3433 +               priv->phy->start(priv);
3434 +
3435 +       if (priv->soc->has_carrier && priv->soc->has_carrier(priv))
3436 +               netif_carrier_on(dev);
3437 +
3438 +       netif_start_queue(dev);
3439 +       fe_int_enable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
3440 +
3441 +       return 0;
3442 +}
3443 +
3444 +static int fe_stop(struct net_device *dev)
3445 +{
3446 +       struct fe_priv *priv = netdev_priv(dev);
3447 +       unsigned long flags;
3448 +
3449 +       fe_int_disable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
3450 +
3451 +       netif_stop_queue(dev);
3452 +
3453 +       if (priv->phy)
3454 +               priv->phy->stop(priv);
3455 +
3456 +       spin_lock_irqsave(&priv->page_lock, flags);
3457 +       napi_disable(&priv->rx_napi);
3458 +
3459 +       fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
3460 +                    ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN),
3461 +                    FE_REG_PDMA_GLO_CFG);
3462 +       spin_unlock_irqrestore(&priv->page_lock, flags);
3463 +
3464 +       return 0;
3465 +}
3466 +
3467 +static int __init fe_init(struct net_device *dev)
3468 +{
3469 +       struct fe_priv *priv = netdev_priv(dev);
3470 +       struct device_node *port;
3471 +       int err;
3472 +
3473 +       BUG_ON(!priv->soc->reset_fe);
3474 +       priv->soc->reset_fe();
3475 +
3476 +       if (priv->soc->switch_init)
3477 +               priv->soc->switch_init(priv);
3478 +
3479 +       net_srandom(jiffies);
3480 +       memcpy(dev->dev_addr, priv->soc->mac, ETH_ALEN);
3481 +       of_get_mac_address_mtd(priv->device->of_node, dev->dev_addr);
3482 +
3483 +       err = fe_mdio_init(priv);
3484 +       if (err)
3485 +               return err;
3486 +
3487 +       if (priv->phy) {
3488 +               err = priv->phy->connect(priv);
3489 +               if (err)
3490 +                       goto err_mdio_cleanup;
3491 +       }
3492 +
3493 +       if (priv->soc->port_init)
3494 +               for_each_child_of_node(priv->device->of_node, port)
3495 +                       if (of_device_is_compatible(port, "ralink,eth-port") && of_device_is_available(port))
3496 +                               priv->soc->port_init(priv, port);
3497 +
3498 +       err = fe_hw_init(dev);
3499 +       if (err)
3500 +               goto err_phy_disconnect;
3501 +
3502 +       if (priv->soc->switch_config)
3503 +               priv->soc->switch_config(priv);
3504 +
3505 +       return 0;
3506 +
3507 +err_phy_disconnect:
3508 +       if (priv->phy)
3509 +               priv->phy->disconnect(priv);
3510 +err_mdio_cleanup:
3511 +       fe_mdio_cleanup(priv);
3512 +
3513 +       return err;
3514 +}
3515 +
3516 +static void fe_uninit(struct net_device *dev)
3517 +{
3518 +       struct fe_priv *priv = netdev_priv(dev);
3519 +
3520 +       tasklet_kill(&priv->tx_tasklet);
3521 +
3522 +       if (priv->phy)
3523 +               priv->phy->disconnect(priv);
3524 +       fe_mdio_cleanup(priv);
3525 +
3526 +       fe_reg_w32(0, FE_REG_FE_INT_ENABLE);
3527 +       free_irq(dev->irq, dev);
3528 +
3529 +       fe_free_dma(priv);
3530 +}
3531 +
3532 +static const struct net_device_ops fe_netdev_ops = {
3533 +       .ndo_init               = fe_init,
3534 +       .ndo_uninit             = fe_uninit,
3535 +       .ndo_open               = fe_open,
3536 +       .ndo_stop               = fe_stop,
3537 +       .ndo_start_xmit         = fe_start_xmit,
3538 +       .ndo_tx_timeout         = fe_tx_timeout,
3539 +       .ndo_set_mac_address    = fe_set_mac_address,
3540 +       .ndo_change_mtu         = eth_change_mtu,
3541 +       .ndo_validate_addr      = eth_validate_addr,
3542 +};
3543 +
3544 +static int fe_probe(struct platform_device *pdev)
3545 +{
3546 +       struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
3547 +       const struct of_device_id *match;
3548 +       struct fe_soc_data *soc = NULL;
3549 +       struct net_device *netdev;
3550 +       struct fe_priv *priv;
3551 +       struct clk *sysclk;
3552 +       int err;
3553 +
3554 +       device_reset(&pdev->dev);
3555 +
3556 +       match = of_match_device(of_fe_match, &pdev->dev);
3557 +       soc = (struct fe_soc_data *) match->data;
3558 +
3559 +       if (soc->init_data)
3560 +               soc->init_data(soc);
3561 +       if (soc->reg_table)
3562 +               fe_reg_table = soc->reg_table;
3563 +
3564 +       fe_base = devm_request_and_ioremap(&pdev->dev, res);
3565 +       if (!fe_base)
3566 +               return -ENOMEM;
3567 +
3568 +       netdev = alloc_etherdev(sizeof(struct fe_priv));
3569 +       if (!netdev) {
3570 +               dev_err(&pdev->dev, "alloc_etherdev failed\n");
3571 +               return -ENOMEM;
3572 +       }
3573 +
3574 +       strcpy(netdev->name, "eth%d");
3575 +       netdev->netdev_ops = &fe_netdev_ops;
3576 +       netdev->base_addr = (unsigned long) fe_base;
3577 +       netdev->watchdog_timeo = TX_TIMEOUT;
3578 +       netdev->features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
3579 +
3580 +       if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
3581 +               netdev->features |= NETIF_F_HW_VLAN_CTAG_TX;
3582 +
3583 +       if (soc->tso) {
3584 +               dev_info(&pdev->dev, "Enabling TSO\n");
3585 +               netdev->features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_IPV6_CSUM;
3586 +       }
3587 +
3588 +       netdev->hw_features = netdev->vlan_features = netdev->features;
3589 +
3590 +       netdev->irq = platform_get_irq(pdev, 0);
3591 +       if (netdev->irq < 0) {
3592 +               dev_err(&pdev->dev, "no IRQ resource found\n");
3593 +               kfree(netdev);
3594 +               return -ENXIO;
3595 +       }
3596 +
3597 +       priv = netdev_priv(netdev);
3598 +       memset(priv, 0, sizeof(struct fe_priv));
3599 +       spin_lock_init(&priv->page_lock);
3600 +
3601 +       sysclk = devm_clk_get(&pdev->dev, NULL);
3602 +       if (!IS_ERR(sysclk))
3603 +               priv->sysclk = clk_get_rate(sysclk);
3604 +
3605 +       priv->netdev = netdev;
3606 +       priv->device = &pdev->dev;
3607 +       priv->soc = soc;
3608 +
3609 +       err = register_netdev(netdev);
3610 +       if (err) {
3611 +               dev_err(&pdev->dev, "error bringing up device\n");
3612 +               kfree(netdev);
3613 +               return err;
3614 +       }
3615 +       netif_napi_add(netdev, &priv->rx_napi, fe_poll_rx, 32);
3616 +
3617 +#ifdef CONFIG_INET_LRO
3618 +       if (priv->soc->get_skb_header) {
3619 +               priv->lro_mgr.dev = netdev;
3620 +               memset(&priv->lro_mgr.stats, 0, sizeof(priv->lro_mgr.stats));
3621 +               priv->lro_mgr.features = LRO_F_NAPI;
3622 +               priv->lro_mgr.ip_summed = CHECKSUM_UNNECESSARY;
3623 +               priv->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
3624 +               priv->lro_mgr.max_desc = ARRAY_SIZE(priv->lro_arr);
3625 +               priv->lro_mgr.max_aggr = 64;
3626 +               priv->lro_mgr.frag_align_pad = 0;
3627 +               priv->lro_mgr.lro_arr = priv->lro_arr;
3628 +               priv->lro_mgr.get_skb_header = priv->soc->get_skb_header;
3629 +       }
3630 +#endif
3631 +
3632 +       platform_set_drvdata(pdev, netdev);
3633 +
3634 +       netdev_info(netdev, "done loading\n");
3635 +
3636 +       return 0;
3637 +}
3638 +
3639 +static int fe_remove(struct platform_device *pdev)
3640 +{
3641 +        struct net_device *dev = platform_get_drvdata(pdev);
3642 +       struct fe_priv *priv = netdev_priv(dev);
3643 +
3644 +       netif_stop_queue(dev);
3645 +       netif_napi_del(&priv->rx_napi);
3646 +
3647 +       unregister_netdev(dev);
3648 +       free_netdev(dev);
3649 +
3650 +       return 0;
3651 +}
3652 +
3653 +static struct platform_driver fe_driver = {
3654 +       .probe = fe_probe,
3655 +       .remove = fe_remove,
3656 +       .driver = {
3657 +               .name = "ralink_soc_eth",
3658 +               .owner = THIS_MODULE,
3659 +               .of_match_table = of_fe_match,
3660 +       },
3661 +};
3662 +
3663 +static int __init init_rtfe(void)
3664 +{
3665 +       int ret;
3666 +
3667 +       ret = rtesw_init();
3668 +       if (ret)
3669 +               return ret;
3670 +
3671 +       ret = platform_driver_register(&fe_driver);
3672 +       if (ret)
3673 +               rtesw_exit();
3674 +
3675 +       return ret;
3676 +}
3677 +
3678 +static void __exit exit_rtfe(void)
3679 +{
3680 +       platform_driver_unregister(&fe_driver);
3681 +       rtesw_exit();
3682 +}
3683 +
3684 +module_init(init_rtfe);
3685 +module_exit(exit_rtfe);
3686 +
3687 +MODULE_LICENSE("GPL");
3688 +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
3689 +MODULE_DESCRIPTION("Ethernet driver for Ralink SoC");
3690 Index: linux-3.10.21/drivers/net/ethernet/ralink/ralink_soc_eth.h
3691 ===================================================================
3692 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
3693 +++ linux-3.10.21/drivers/net/ethernet/ralink/ralink_soc_eth.h  2013-12-09 13:26:42.332125203 +0100
3694 @@ -0,0 +1,384 @@
3695 +/*
3696 + *   This program is free software; you can redistribute it and/or modify
3697 + *   it under the terms of the GNU General Public License as published by
3698 + *   the Free Software Foundation; version 2 of the License
3699 + *
3700 + *   This program is distributed in the hope that it will be useful,
3701 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
3702 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
3703 + *   GNU General Public License for more details.
3704 + *
3705 + *   You should have received a copy of the GNU General Public License
3706 + *   along with this program; if not, write to the Free Software
3707 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
3708 + *
3709 + *   based on Ralink SDK3.3
3710 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
3711 + */
3712 +
3713 +#ifndef FE_ETH_H
3714 +#define FE_ETH_H
3715 +
3716 +#include <linux/mii.h>
3717 +#include <linux/interrupt.h>
3718 +#include <linux/netdevice.h>
3719 +#include <linux/dma-mapping.h>
3720 +#include <linux/phy.h>
3721 +#include <linux/inet_lro.h>
3722 +
3723 +
3724 +enum fe_reg {
3725 +       FE_REG_PDMA_GLO_CFG = 0,
3726 +       FE_REG_PDMA_RST_CFG,
3727 +       FE_REG_DLY_INT_CFG,
3728 +       FE_REG_TX_BASE_PTR0,
3729 +       FE_REG_TX_MAX_CNT0,
3730 +       FE_REG_TX_CTX_IDX0,
3731 +       FE_REG_RX_BASE_PTR0,
3732 +       FE_REG_RX_MAX_CNT0,
3733 +       FE_REG_RX_CALC_IDX0,
3734 +       FE_REG_FE_INT_ENABLE,
3735 +       FE_REG_FE_INT_STATUS,
3736 +       FE_REG_FE_DMA_VID_BASE,
3737 +       FE_REG_COUNT
3738 +};
3739 +
3740 +#define NUM_DMA_DESC           0x100
3741 +
3742 +#define FE_DELAY_EN_INT                0x80
3743 +#define FE_DELAY_MAX_INT       0x04
3744 +#define FE_DELAY_MAX_TOUT      0x04
3745 +#define FE_DELAY_CHAN          (((FE_DELAY_EN_INT | FE_DELAY_MAX_INT) << 8) | FE_DELAY_MAX_TOUT)
3746 +#define FE_DELAY_INIT          ((FE_DELAY_CHAN << 16) | FE_DELAY_CHAN)
3747 +#define FE_PSE_FQFC_CFG_INIT   0x80504000
3748 +
3749 +/* interrupt bits */
3750 +#define FE_CNT_PPE_AF          BIT(31)
3751 +#define FE_CNT_GDM_AF          BIT(29)
3752 +#define FE_PSE_P2_FC           BIT(26)
3753 +#define FE_PSE_BUF_DROP                BIT(24)
3754 +#define FE_GDM_OTHER_DROP      BIT(23)
3755 +#define FE_PSE_P1_FC           BIT(22)
3756 +#define FE_PSE_P0_FC           BIT(21)
3757 +#define FE_PSE_FQ_EMPTY                BIT(20)
3758 +#define FE_GE1_STA_CHG         BIT(18)
3759 +#define FE_TX_COHERENT         BIT(17)
3760 +#define FE_RX_COHERENT         BIT(16)
3761 +#define FE_TX_DONE_INT3                BIT(11)
3762 +#define FE_TX_DONE_INT2                BIT(10)
3763 +#define FE_TX_DONE_INT1                BIT(9)
3764 +#define FE_TX_DONE_INT0                BIT(8)
3765 +#define FE_RX_DONE_INT0                BIT(2)
3766 +#define FE_TX_DLY_INT          BIT(1)
3767 +#define FE_RX_DLY_INT          BIT(0)
3768 +
3769 +#define RT5350_RX_DLY_INT      BIT(30)
3770 +#define RT5350_TX_DLY_INT      BIT(28)
3771 +
3772 +/* registers */
3773 +#define FE_FE_OFFSET           0x0000
3774 +#define FE_GDMA_OFFSET         0x0020
3775 +#define FE_PSE_OFFSET          0x0040
3776 +#define FE_GDMA2_OFFSET                0x0060
3777 +#define FE_CDMA_OFFSET         0x0080
3778 +#define FE_DMA_VID0            0x00a8
3779 +#define FE_PDMA_OFFSET         0x0100
3780 +#define FE_PPE_OFFSET          0x0200
3781 +#define FE_CMTABLE_OFFSET      0x0400
3782 +#define FE_POLICYTABLE_OFFSET  0x1000
3783 +
3784 +#define RT5350_PDMA_OFFSET     0x0800
3785 +#define RT5350_SDM_OFFSET      0x0c00
3786 +
3787 +#define FE_MDIO_ACCESS         (FE_FE_OFFSET + 0x00)
3788 +#define FE_MDIO_CFG            (FE_FE_OFFSET + 0x04)
3789 +#define FE_FE_GLO_CFG          (FE_FE_OFFSET + 0x08)
3790 +#define FE_FE_RST_GL           (FE_FE_OFFSET + 0x0C)
3791 +#define FE_FE_INT_STATUS       (FE_FE_OFFSET + 0x10)
3792 +#define FE_FE_INT_ENABLE       (FE_FE_OFFSET + 0x14)
3793 +#define FE_MDIO_CFG2           (FE_FE_OFFSET + 0x18)
3794 +#define FE_FOC_TS_T            (FE_FE_OFFSET + 0x1C)
3795 +
3796 +#define        FE_GDMA1_FWD_CFG        (FE_GDMA_OFFSET + 0x00)
3797 +#define FE_GDMA1_SCH_CFG       (FE_GDMA_OFFSET + 0x04)
3798 +#define FE_GDMA1_SHPR_CFG      (FE_GDMA_OFFSET + 0x08)
3799 +#define FE_GDMA1_MAC_ADRL      (FE_GDMA_OFFSET + 0x0C)
3800 +#define FE_GDMA1_MAC_ADRH      (FE_GDMA_OFFSET + 0x10)
3801 +
3802 +#define        FE_GDMA2_FWD_CFG        (FE_GDMA2_OFFSET + 0x00)
3803 +#define FE_GDMA2_SCH_CFG       (FE_GDMA2_OFFSET + 0x04)
3804 +#define FE_GDMA2_SHPR_CFG      (FE_GDMA2_OFFSET + 0x08)
3805 +#define FE_GDMA2_MAC_ADRL      (FE_GDMA2_OFFSET + 0x0C)
3806 +#define FE_GDMA2_MAC_ADRH      (FE_GDMA2_OFFSET + 0x10)
3807 +
3808 +#define FE_PSE_FQ_CFG          (FE_PSE_OFFSET + 0x00)
3809 +#define FE_CDMA_FC_CFG         (FE_PSE_OFFSET + 0x04)
3810 +#define FE_GDMA1_FC_CFG                (FE_PSE_OFFSET + 0x08)
3811 +#define FE_GDMA2_FC_CFG                (FE_PSE_OFFSET + 0x0C)
3812 +
3813 +#define FE_CDMA_CSG_CFG                (FE_CDMA_OFFSET + 0x00)
3814 +#define FE_CDMA_SCH_CFG                (FE_CDMA_OFFSET + 0x04)
3815 +
3816 +#define MT7620A_GDMA_OFFSET            0x0600
3817 +#define        MT7620A_GDMA1_FWD_CFG           (MT7620A_GDMA_OFFSET + 0x00)
3818 +#define MT7620A_FE_GDMA1_SCH_CFG       (MT7620A_GDMA_OFFSET + 0x04)
3819 +#define MT7620A_FE_GDMA1_SHPR_CFG      (MT7620A_GDMA_OFFSET + 0x08)
3820 +#define MT7620A_FE_GDMA1_MAC_ADRL      (MT7620A_GDMA_OFFSET + 0x0C)
3821 +#define MT7620A_FE_GDMA1_MAC_ADRH      (MT7620A_GDMA_OFFSET + 0x10)
3822 +
3823 +#define RT5350_TX_BASE_PTR0    (RT5350_PDMA_OFFSET + 0x00)
3824 +#define RT5350_TX_MAX_CNT0     (RT5350_PDMA_OFFSET + 0x04)
3825 +#define RT5350_TX_CTX_IDX0     (RT5350_PDMA_OFFSET + 0x08)
3826 +#define RT5350_TX_DTX_IDX0     (RT5350_PDMA_OFFSET + 0x0C)
3827 +#define RT5350_TX_BASE_PTR1    (RT5350_PDMA_OFFSET + 0x10)
3828 +#define RT5350_TX_MAX_CNT1     (RT5350_PDMA_OFFSET + 0x14)
3829 +#define RT5350_TX_CTX_IDX1     (RT5350_PDMA_OFFSET + 0x18)
3830 +#define RT5350_TX_DTX_IDX1     (RT5350_PDMA_OFFSET + 0x1C)
3831 +#define RT5350_TX_BASE_PTR2    (RT5350_PDMA_OFFSET + 0x20)
3832 +#define RT5350_TX_MAX_CNT2     (RT5350_PDMA_OFFSET + 0x24)
3833 +#define RT5350_TX_CTX_IDX2     (RT5350_PDMA_OFFSET + 0x28)
3834 +#define RT5350_TX_DTX_IDX2     (RT5350_PDMA_OFFSET + 0x2C)
3835 +#define RT5350_TX_BASE_PTR3    (RT5350_PDMA_OFFSET + 0x30)
3836 +#define RT5350_TX_MAX_CNT3     (RT5350_PDMA_OFFSET + 0x34)
3837 +#define RT5350_TX_CTX_IDX3     (RT5350_PDMA_OFFSET + 0x38)
3838 +#define RT5350_TX_DTX_IDX3     (RT5350_PDMA_OFFSET + 0x3C)
3839 +#define RT5350_RX_BASE_PTR0    (RT5350_PDMA_OFFSET + 0x100)
3840 +#define RT5350_RX_MAX_CNT0     (RT5350_PDMA_OFFSET + 0x104)
3841 +#define RT5350_RX_CALC_IDX0    (RT5350_PDMA_OFFSET + 0x108)
3842 +#define RT5350_RX_DRX_IDX0     (RT5350_PDMA_OFFSET + 0x10C)
3843 +#define RT5350_RX_BASE_PTR1    (RT5350_PDMA_OFFSET + 0x110)
3844 +#define RT5350_RX_MAX_CNT1     (RT5350_PDMA_OFFSET + 0x114)
3845 +#define RT5350_RX_CALC_IDX1    (RT5350_PDMA_OFFSET + 0x118)
3846 +#define RT5350_RX_DRX_IDX1     (RT5350_PDMA_OFFSET + 0x11C)
3847 +#define RT5350_PDMA_GLO_CFG    (RT5350_PDMA_OFFSET + 0x204)
3848 +#define RT5350_PDMA_RST_CFG    (RT5350_PDMA_OFFSET + 0x208)
3849 +#define RT5350_DLY_INT_CFG     (RT5350_PDMA_OFFSET + 0x20c)
3850 +#define RT5350_FE_INT_STATUS   (RT5350_PDMA_OFFSET + 0x220)
3851 +#define RT5350_FE_INT_ENABLE   (RT5350_PDMA_OFFSET + 0x228)
3852 +#define RT5350_PDMA_SCH_CFG    (RT5350_PDMA_OFFSET + 0x280)
3853 +
3854 +#define FE_PDMA_GLO_CFG                (FE_PDMA_OFFSET + 0x00)
3855 +#define FE_PDMA_RST_CFG                (FE_PDMA_OFFSET + 0x04)
3856 +#define FE_PDMA_SCH_CFG                (FE_PDMA_OFFSET + 0x08)
3857 +#define FE_DLY_INT_CFG         (FE_PDMA_OFFSET + 0x0C)
3858 +#define FE_TX_BASE_PTR0                (FE_PDMA_OFFSET + 0x10)
3859 +#define FE_TX_MAX_CNT0         (FE_PDMA_OFFSET + 0x14)
3860 +#define FE_TX_CTX_IDX0         (FE_PDMA_OFFSET + 0x18)
3861 +#define FE_TX_DTX_IDX0         (FE_PDMA_OFFSET + 0x1C)
3862 +#define FE_TX_BASE_PTR1                (FE_PDMA_OFFSET + 0x20)
3863 +#define FE_TX_MAX_CNT1         (FE_PDMA_OFFSET + 0x24)
3864 +#define FE_TX_CTX_IDX1         (FE_PDMA_OFFSET + 0x28)
3865 +#define FE_TX_DTX_IDX1         (FE_PDMA_OFFSET + 0x2C)
3866 +#define FE_RX_BASE_PTR0                (FE_PDMA_OFFSET + 0x30)
3867 +#define FE_RX_MAX_CNT0         (FE_PDMA_OFFSET + 0x34)
3868 +#define FE_RX_CALC_IDX0                (FE_PDMA_OFFSET + 0x38)
3869 +#define FE_RX_DRX_IDX0         (FE_PDMA_OFFSET + 0x3C)
3870 +#define FE_TX_BASE_PTR2                (FE_PDMA_OFFSET + 0x40)
3871 +#define FE_TX_MAX_CNT2         (FE_PDMA_OFFSET + 0x44)
3872 +#define FE_TX_CTX_IDX2         (FE_PDMA_OFFSET + 0x48)
3873 +#define FE_TX_DTX_IDX2         (FE_PDMA_OFFSET + 0x4C)
3874 +#define FE_TX_BASE_PTR3                (FE_PDMA_OFFSET + 0x50)
3875 +#define FE_TX_MAX_CNT3         (FE_PDMA_OFFSET + 0x54)
3876 +#define FE_TX_CTX_IDX3         (FE_PDMA_OFFSET + 0x58)
3877 +#define FE_TX_DTX_IDX3         (FE_PDMA_OFFSET + 0x5C)
3878 +#define FE_RX_BASE_PTR1                (FE_PDMA_OFFSET + 0x60)
3879 +#define FE_RX_MAX_CNT1         (FE_PDMA_OFFSET + 0x64)
3880 +#define FE_RX_CALC_IDX1                (FE_PDMA_OFFSET + 0x68)
3881 +#define FE_RX_DRX_IDX1         (FE_PDMA_OFFSET + 0x6C)
3882 +
3883 +#define RT5350_SDM_CFG         (RT5350_SDM_OFFSET + 0x00)  //Switch DMA configuration
3884 +#define RT5350_SDM_RRING       (RT5350_SDM_OFFSET + 0x04)  //Switch DMA Rx Ring
3885 +#define RT5350_SDM_TRING       (RT5350_SDM_OFFSET + 0x08)  //Switch DMA Tx Ring
3886 +#define RT5350_SDM_MAC_ADRL    (RT5350_SDM_OFFSET + 0x0C)  //Switch MAC address LSB
3887 +#define RT5350_SDM_MAC_ADRH    (RT5350_SDM_OFFSET + 0x10)  //Switch MAC Address MSB
3888 +#define RT5350_SDM_TPCNT       (RT5350_SDM_OFFSET + 0x100) //Switch DMA Tx packet count
3889 +#define RT5350_SDM_TBCNT       (RT5350_SDM_OFFSET + 0x104) //Switch DMA Tx byte count
3890 +#define RT5350_SDM_RPCNT       (RT5350_SDM_OFFSET + 0x108) //Switch DMA rx packet count
3891 +#define RT5350_SDM_RBCNT       (RT5350_SDM_OFFSET + 0x10C) //Switch DMA rx byte count
3892 +#define RT5350_SDM_CS_ERR      (RT5350_SDM_OFFSET + 0x110) //Switch DMA rx checksum error count
3893 +
3894 +#define RT5350_SDM_ICS_EN      BIT(16)
3895 +#define RT5350_SDM_TCS_EN      BIT(17)
3896 +#define RT5350_SDM_UCS_EN      BIT(18)
3897 +
3898 +
3899 +/* MDIO_CFG register bits */
3900 +#define FE_MDIO_CFG_AUTO_POLL_EN       BIT(29)
3901 +#define FE_MDIO_CFG_GP1_BP_EN          BIT(16)
3902 +#define FE_MDIO_CFG_GP1_FRC_EN         BIT(15)
3903 +#define FE_MDIO_CFG_GP1_SPEED_10       (0 << 13)
3904 +#define FE_MDIO_CFG_GP1_SPEED_100      (1 << 13)
3905 +#define FE_MDIO_CFG_GP1_SPEED_1000     (2 << 13)
3906 +#define FE_MDIO_CFG_GP1_DUPLEX         BIT(12)
3907 +#define FE_MDIO_CFG_GP1_FC_TX          BIT(11)
3908 +#define FE_MDIO_CFG_GP1_FC_RX          BIT(10)
3909 +#define FE_MDIO_CFG_GP1_LNK_DWN                BIT(9)
3910 +#define FE_MDIO_CFG_GP1_AN_FAIL                BIT(8)
3911 +#define FE_MDIO_CFG_MDC_CLK_DIV_1      (0 << 6)
3912 +#define FE_MDIO_CFG_MDC_CLK_DIV_2      (1 << 6)
3913 +#define FE_MDIO_CFG_MDC_CLK_DIV_4      (2 << 6)
3914 +#define FE_MDIO_CFG_MDC_CLK_DIV_8      (3 << 6)
3915 +#define FE_MDIO_CFG_TURBO_MII_FREQ     BIT(5)
3916 +#define FE_MDIO_CFG_TURBO_MII_MODE     BIT(4)
3917 +#define FE_MDIO_CFG_RX_CLK_SKEW_0      (0 << 2)
3918 +#define FE_MDIO_CFG_RX_CLK_SKEW_200    (1 << 2)
3919 +#define FE_MDIO_CFG_RX_CLK_SKEW_400    (2 << 2)
3920 +#define FE_MDIO_CFG_RX_CLK_SKEW_INV    (3 << 2)
3921 +#define FE_MDIO_CFG_TX_CLK_SKEW_0      0
3922 +#define FE_MDIO_CFG_TX_CLK_SKEW_200    1
3923 +#define FE_MDIO_CFG_TX_CLK_SKEW_400    2
3924 +#define FE_MDIO_CFG_TX_CLK_SKEW_INV    3
3925 +
3926 +/* uni-cast port */
3927 +#define FE_GDM1_ICS_EN         BIT(22)
3928 +#define FE_GDM1_TCS_EN         BIT(21)
3929 +#define FE_GDM1_UCS_EN         BIT(20)
3930 +#define FE_GDM1_JMB_EN         BIT(19)
3931 +#define FE_GDM1_STRPCRC                BIT(16)
3932 +#define FE_GDM1_UFRC_P_CPU     (0 << 12)
3933 +#define FE_GDM1_UFRC_P_GDMA1   (1 << 12)
3934 +#define FE_GDM1_UFRC_P_PPE     (6 << 12)
3935 +
3936 +/* checksums */
3937 +#define FE_ICS_GEN_EN          BIT(2)
3938 +#define FE_UCS_GEN_EN          BIT(1)
3939 +#define FE_TCS_GEN_EN          BIT(0)
3940 +
3941 +/* dma ring */
3942 +#define FE_PST_DRX_IDX0                BIT(16)
3943 +#define FE_PST_DTX_IDX3                BIT(3)
3944 +#define FE_PST_DTX_IDX2                BIT(2)
3945 +#define FE_PST_DTX_IDX1                BIT(1)
3946 +#define FE_PST_DTX_IDX0                BIT(0)
3947 +
3948 +#define FE_TX_WB_DDONE         BIT(6)
3949 +#define FE_RX_DMA_BUSY         BIT(3)
3950 +#define FE_TX_DMA_BUSY         BIT(1)
3951 +#define FE_RX_DMA_EN           BIT(2)
3952 +#define FE_TX_DMA_EN           BIT(0)
3953 +
3954 +#define FE_PDMA_SIZE_4DWORDS   (0 << 4)
3955 +#define FE_PDMA_SIZE_8DWORDS   (1 << 4)
3956 +#define FE_PDMA_SIZE_16DWORDS  (2 << 4)
3957 +
3958 +#define FE_US_CYC_CNT_MASK     0xff
3959 +#define FE_US_CYC_CNT_SHIFT    0x8
3960 +#define FE_US_CYC_CNT_DIVISOR  1000000
3961 +
3962 +#define RX_DMA_PLEN0(_x)       (((_x) >> 16) & 0x3fff)
3963 +#define RX_DMA_LSO             BIT(30)
3964 +#define RX_DMA_DONE            BIT(31)
3965 +#define RX_DMA_L4VALID         BIT(30)
3966 +
3967 +struct fe_rx_dma {
3968 +       unsigned int rxd1;
3969 +       unsigned int rxd2;
3970 +       unsigned int rxd3;
3971 +       unsigned int rxd4;
3972 +} __packed __aligned(4);
3973 +
3974 +#define TX_DMA_PLEN0_MASK      ((0x3fff) << 16)
3975 +#define TX_DMA_PLEN0(_x)       (((_x) & 0x3fff) << 16)
3976 +#define TX_DMA_PLEN1(_x)       ((_x) & 0x3fff)
3977 +#define TX_DMA_LS1             BIT(14)
3978 +#define TX_DMA_LSO             BIT(30)
3979 +#define TX_DMA_DONE            BIT(31)
3980 +#define TX_DMA_QN(_x)          ((_x) << 16)
3981 +#define TX_DMA_PN(_x)          ((_x) << 24)
3982 +#define TX_DMA_QN_MASK         TX_DMA_QN(0x7)
3983 +#define TX_DMA_PN_MASK         TX_DMA_PN(0x7)
3984 +#define TX_DMA_CHKSUM          (0x7 << 29)
3985 +
3986 +struct fe_tx_dma {
3987 +       unsigned int txd1;
3988 +       unsigned int txd2;
3989 +       unsigned int txd3;
3990 +       unsigned int txd4;
3991 +} __packed __aligned(4);
3992 +
3993 +struct fe_priv;
3994 +
3995 +struct fe_phy {
3996 +       struct phy_device       *phy[8];
3997 +       struct device_node      *phy_node[8];
3998 +       const __be32            *phy_fixed[8];
3999 +       int                     duplex[8];
4000 +       int                     speed[8];
4001 +       int                     tx_fc[8];
4002 +       int                     rx_fc[8];
4003 +       spinlock_t              lock;
4004 +
4005 +       int (*connect)(struct fe_priv *priv);
4006 +       void (*disconnect)(struct fe_priv *priv);
4007 +       void (*start)(struct fe_priv *priv);
4008 +       void (*stop)(struct fe_priv *priv);
4009 +};
4010 +
4011 +struct fe_soc_data
4012 +{
4013 +       unsigned char mac[6];
4014 +       const u32 *reg_table;
4015 +
4016 +       void (*init_data)(struct fe_soc_data *data);
4017 +       void (*reset_fe)(void);
4018 +       void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
4019 +       void (*fwd_config)(struct fe_priv *priv);
4020 +       void (*tx_dma)(struct fe_priv *priv, int idx, struct sk_buff *skb);
4021 +       void (*rx_dma)(struct fe_priv *priv, int idx, int len);
4022 +       int (*switch_init)(struct fe_priv *priv);
4023 +       int (*switch_config)(struct fe_priv *priv);
4024 +       void (*port_init)(struct fe_priv *priv, struct device_node *port);
4025 +       int (*has_carrier)(struct fe_priv *priv);
4026 +       int (*mdio_init)(struct fe_priv *priv);
4027 +       void (*mdio_cleanup)(struct fe_priv *priv);
4028 +       int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
4029 +       int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg);
4030 +       void (*mdio_adjust_link)(struct fe_priv *priv, int port);
4031 +       int (*get_skb_header)(struct sk_buff *skb, void **iphdr, void **tcph, u64 *hdr_flags, void *priv);
4032 +
4033 +       void *swpriv;
4034 +       u32 pdma_glo_cfg;
4035 +       u32 rx_dly_int;
4036 +       u32 tx_dly_int;
4037 +       u32 checksum_bit;
4038 +       u32 tso;
4039 +
4040 +       int min_pkt_len;
4041 +};
4042 +
4043 +struct fe_priv
4044 +{
4045 +       spinlock_t                      page_lock;
4046 +
4047 +       struct fe_soc_data              *soc;
4048 +       struct net_device               *netdev;
4049 +       struct device                   *device;
4050 +       unsigned long                   sysclk;
4051 +
4052 +       struct fe_rx_dma                *rx_dma;
4053 +        struct napi_struct             rx_napi;
4054 +       struct sk_buff                  *rx_skb[NUM_DMA_DESC];
4055 +       dma_addr_t                      rx_phys;
4056 +
4057 +       struct fe_tx_dma                *tx_dma;
4058 +       struct tasklet_struct           tx_tasklet;
4059 +       struct sk_buff                  *tx_skb[NUM_DMA_DESC];
4060 +       dma_addr_t                      tx_phys;
4061 +       unsigned int                    tx_free_idx;
4062 +
4063 +       struct fe_phy                   *phy;
4064 +       struct mii_bus                  *mii_bus;
4065 +       int                             mii_irq[PHY_MAX_ADDR];
4066 +
4067 +       int                             link[8];
4068 +
4069 +       struct net_lro_mgr              lro_mgr;
4070 +       struct net_lro_desc             lro_arr[8];
4071 +};
4072 +
4073 +extern const struct of_device_id of_fe_match[];
4074 +
4075 +void fe_w32(u32 val, unsigned reg);
4076 +u32 fe_r32(unsigned reg);
4077 +
4078 +#endif /* FE_ETH_H */
4079 Index: linux-3.10.21/drivers/net/ethernet/ralink/soc_mt7620.c
4080 ===================================================================
4081 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4082 +++ linux-3.10.21/drivers/net/ethernet/ralink/soc_mt7620.c      2013-12-09 13:26:42.332125203 +0100
4083 @@ -0,0 +1,172 @@
4084 +/*
4085 + *   This program is free software; you can redistribute it and/or modify
4086 + *   it under the terms of the GNU General Public License as published by
4087 + *   the Free Software Foundation; version 2 of the License
4088 + *
4089 + *   This program is distributed in the hope that it will be useful,
4090 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
4091 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4092 + *   GNU General Public License for more details.
4093 + *
4094 + *   You should have received a copy of the GNU General Public License
4095 + *   along with this program; if not, write to the Free Software
4096 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
4097 + *
4098 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
4099 + */
4100 +
4101 +#include <linux/module.h>
4102 +#include <linux/platform_device.h>
4103 +#include <linux/if_vlan.h>
4104 +
4105 +#include <asm/mach-ralink/ralink_regs.h>
4106 +
4107 +#include <mt7620.h>
4108 +#include "ralink_soc_eth.h"
4109 +#include "gsw_mt7620a.h"
4110 +
4111 +#define MT7620A_CDMA_CSG_CFG   0x400
4112 +#define MT7620_DMA_VID         (MT7620A_CDMA_CSG_CFG | 0x30)
4113 +#define MT7620A_DMA_2B_OFFSET  BIT(31)
4114 +#define MT7620A_RESET_FE       BIT(21)
4115 +#define MT7620A_RESET_ESW      BIT(23)
4116 +#define MT7620_L4_VALID                BIT(23)
4117 +
4118 +#define SYSC_REG_RESET_CTRL     0x34
4119 +#define MAX_RX_LENGTH           1536
4120 +
4121 +#define CDMA_ICS_EN            BIT(2)
4122 +#define CDMA_UCS_EN            BIT(1)
4123 +#define CDMA_TCS_EN            BIT(0)
4124 +
4125 +#define GDMA_ICS_EN            BIT(22)
4126 +#define GDMA_TCS_EN            BIT(21)
4127 +#define GDMA_UCS_EN            BIT(20)
4128 +
4129 +static const u32 rt5350_reg_table[FE_REG_COUNT] = {
4130 +       [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
4131 +       [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
4132 +       [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
4133 +       [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
4134 +       [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
4135 +       [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
4136 +       [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
4137 +       [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
4138 +       [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
4139 +       [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
4140 +       [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
4141 +       [FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID,
4142 +};
4143 +
4144 +static void mt7620_fe_reset(void)
4145 +{
4146 +       rt_sysc_w32(MT7620A_RESET_FE | MT7620A_RESET_ESW, SYSC_REG_RESET_CTRL);
4147 +       rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
4148 +}
4149 +
4150 +static void mt7620_fwd_config(struct fe_priv *priv)
4151 +{
4152 +       int i;
4153 +
4154 +       /* frame engine will push VLAN tag regarding to VIDX feild in Tx desc. */
4155 +       for (i = 0; i < 16; i += 2)
4156 +               fe_w32(((i + 1) << 16) + i, MT7620_DMA_VID + (i * 2));
4157 +
4158 +       fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG);
4159 +       fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN | GDMA_TCS_EN | GDMA_UCS_EN), MT7620A_GDMA1_FWD_CFG);
4160 +       fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN | CDMA_UCS_EN | CDMA_TCS_EN), MT7620A_CDMA_CSG_CFG);
4161 +}
4162 +
4163 +static void mt7620_tx_dma(struct fe_priv *priv, int idx, struct sk_buff *skb)
4164 +{
4165 +       unsigned int nr_frags = 0;
4166 +       unsigned int len = 0;
4167 +
4168 +       if (skb) {
4169 +               nr_frags = skb_shinfo(skb)->nr_frags;
4170 +               len = skb->len - skb->data_len;
4171 +       }
4172 +
4173 +       if (!skb)
4174 +               priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_DONE;
4175 +       else if (!nr_frags)
4176 +               priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(len);
4177 +       else
4178 +               priv->tx_dma[idx].txd2 = TX_DMA_PLEN0(len);
4179 +
4180 +       if(skb && vlan_tx_tag_present(skb))
4181 +               priv->tx_dma[idx].txd4 = 0x80 | (vlan_tx_tag_get(skb) >> 13) << 4 | (vlan_tx_tag_get(skb) & 0xF);
4182 +       else
4183 +               priv->tx_dma[idx].txd4 = 0;
4184 +}
4185 +
4186 +static void mt7620_rx_dma(struct fe_priv *priv, int idx, int len)
4187 +{
4188 +       priv->rx_dma[idx].rxd2 = RX_DMA_PLEN0(len);
4189 +}
4190 +
4191 +#ifdef CONFIG_INET_LRO
4192 +static int
4193 +mt7620_get_skb_header(struct sk_buff *skb, void **iphdr, void **tcph,
4194 +                       u64 *hdr_flags, void *_priv)
4195 +{
4196 +       struct iphdr *iph = NULL;
4197 +       int vhdr_len = 0;
4198 +
4199 +       /*
4200 +        * Make sure that this packet is Ethernet II, is not VLAN
4201 +        * tagged, is IPv4, has a valid IP header, and is TCP.
4202 +        */
4203 +       if (skb->protocol == 0x0081)
4204 +               vhdr_len = VLAN_HLEN;
4205 +
4206 +       iph = (struct iphdr *)(skb->data + vhdr_len);
4207 +       if(iph->protocol != IPPROTO_TCP)
4208 +               return -1;
4209 +
4210 +       *iphdr = iph;
4211 +       *tcph = skb->data + (iph->ihl << 2) + vhdr_len;
4212 +       *hdr_flags = LRO_IPV4 | LRO_TCP;
4213 +
4214 +       return 0;
4215 +}
4216 +#endif
4217 +
4218 +static void mt7620_init_data(struct fe_soc_data *data)
4219 +{
4220 +       if (mt7620_get_eco() >= 5)
4221 +               data->tso = 1;
4222 +}
4223 +
4224 +static struct fe_soc_data mt7620_data = {
4225 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4226 +       .init_data = mt7620_init_data,
4227 +       .reset_fe = mt7620_fe_reset,
4228 +       .set_mac = mt7620_set_mac,
4229 +       .fwd_config = mt7620_fwd_config,
4230 +       .tx_dma = mt7620_tx_dma,
4231 +       .rx_dma = mt7620_rx_dma,
4232 +       .switch_init = mt7620_gsw_probe,
4233 +       .switch_config = mt7620_gsw_config,
4234 +       .port_init = mt7620_port_init,
4235 +       .min_pkt_len = 0,
4236 +       .reg_table = rt5350_reg_table,
4237 +       .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS | MT7620A_DMA_2B_OFFSET,
4238 +       .rx_dly_int = RT5350_RX_DLY_INT,
4239 +       .tx_dly_int = RT5350_TX_DLY_INT,
4240 +       .checksum_bit = MT7620_L4_VALID,
4241 +       .has_carrier = mt7620a_has_carrier,
4242 +       .mdio_read = mt7620_mdio_read,
4243 +       .mdio_write = mt7620_mdio_write,
4244 +       .mdio_adjust_link = mt7620_mdio_link_adjust,
4245 +#ifdef CONFIG_INET_LRO
4246 +       .get_skb_header = mt7620_get_skb_header,
4247 +#endif
4248 +};
4249 +
4250 +const struct of_device_id of_fe_match[] = {
4251 +       { .compatible = "ralink,mt7620a-eth", .data = &mt7620_data },
4252 +       {},
4253 +};
4254 +
4255 +MODULE_DEVICE_TABLE(of, of_fe_match);
4256 Index: linux-3.10.21/drivers/net/ethernet/ralink/soc_rt2880.c
4257 ===================================================================
4258 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4259 +++ linux-3.10.21/drivers/net/ethernet/ralink/soc_rt2880.c      2013-12-09 13:26:42.332125203 +0100
4260 @@ -0,0 +1,51 @@
4261 +/*
4262 + *   This program is free software; you can redistribute it and/or modify
4263 + *   it under the terms of the GNU General Public License as published by
4264 + *   the Free Software Foundation; version 2 of the License
4265 + *
4266 + *   This program is distributed in the hope that it will be useful,
4267 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
4268 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4269 + *   GNU General Public License for more details.
4270 + *
4271 + *   You should have received a copy of the GNU General Public License
4272 + *   along with this program; if not, write to the Free Software
4273 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
4274 + *
4275 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
4276 + */
4277 +
4278 +#include <linux/module.h>
4279 +
4280 +#include <asm/mach-ralink/ralink_regs.h>
4281 +
4282 +#include "ralink_soc_eth.h"
4283 +#include "mdio_rt2880.h"
4284 +
4285 +#define SYSC_REG_RESET_CTRL            0x034
4286 +#define RT2880_RESET_FE                        BIT(18)
4287 +
4288 +void rt2880_fe_reset(void)
4289 +{
4290 +       rt_sysc_w32(RT2880_RESET_FE, SYSC_REG_RESET_CTRL);
4291 +}
4292 +
4293 +struct fe_soc_data rt2880_data = {
4294 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4295 +       .reset_fe = rt2880_fe_reset,
4296 +       .min_pkt_len = 64,
4297 +        .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
4298 +       .checksum_bit = RX_DMA_L4VALID,
4299 +       .rx_dly_int = FE_RX_DLY_INT,
4300 +       .tx_dly_int = FE_TX_DLY_INT,
4301 +       .mdio_read = rt2880_mdio_read,
4302 +       .mdio_write = rt2880_mdio_write,
4303 +       .mdio_adjust_link = rt2880_mdio_link_adjust,
4304 +};
4305 +
4306 +const struct of_device_id of_fe_match[] = {
4307 +       { .compatible = "ralink,rt2880-eth", .data = &rt2880_data },
4308 +       {},
4309 +};
4310 +
4311 +MODULE_DEVICE_TABLE(of, of_fe_match);
4312 Index: linux-3.10.21/drivers/net/ethernet/ralink/soc_rt305x.c
4313 ===================================================================
4314 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4315 +++ linux-3.10.21/drivers/net/ethernet/ralink/soc_rt305x.c      2013-12-09 13:26:42.332125203 +0100
4316 @@ -0,0 +1,113 @@
4317 +/*
4318 + *   This program is free software; you can redistribute it and/or modify
4319 + *   it under the terms of the GNU General Public License as published by
4320 + *   the Free Software Foundation; version 2 of the License
4321 + *
4322 + *   This program is distributed in the hope that it will be useful,
4323 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
4324 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4325 + *   GNU General Public License for more details.
4326 + *
4327 + *   You should have received a copy of the GNU General Public License
4328 + *   along with this program; if not, write to the Free Software
4329 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
4330 + *
4331 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
4332 + */
4333 +
4334 +#include <linux/module.h>
4335 +
4336 +#include <asm/mach-ralink/ralink_regs.h>
4337 +
4338 +#include "ralink_soc_eth.h"
4339 +
4340 +#define RT305X_RESET_FE         BIT(21)
4341 +#define RT305X_RESET_ESW        BIT(23)
4342 +#define SYSC_REG_RESET_CTRL     0x034
4343 +
4344 +static const u32 rt5350_reg_table[FE_REG_COUNT] = {
4345 +       [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
4346 +       [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
4347 +       [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
4348 +       [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
4349 +       [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
4350 +       [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
4351 +       [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
4352 +       [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
4353 +       [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
4354 +       [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
4355 +       [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
4356 +       [FE_REG_FE_DMA_VID_BASE] = 0,
4357 +};
4358 +
4359 +static void rt305x_fe_reset(void)
4360 +{
4361 +       rt_sysc_w32(RT305X_RESET_FE, SYSC_REG_RESET_CTRL);
4362 +       rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
4363 +}
4364 +
4365 +static void rt5350_set_mac(struct fe_priv *priv, unsigned char *mac)
4366 +{
4367 +       unsigned long flags;
4368 +
4369 +       spin_lock_irqsave(&priv->page_lock, flags);
4370 +       fe_w32((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH);
4371 +       fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
4372 +               RT5350_SDM_MAC_ADRL);
4373 +       spin_unlock_irqrestore(&priv->page_lock, flags);
4374 +}
4375 +
4376 +static void rt5350_fwd_config(struct fe_priv *priv)
4377 +{
4378 +       unsigned long sysclk = priv->sysclk;
4379 +
4380 +       if (sysclk) {
4381 +               sysclk /= FE_US_CYC_CNT_DIVISOR;
4382 +               sysclk <<= FE_US_CYC_CNT_SHIFT;
4383 +
4384 +               fe_w32((fe_r32(FE_FE_GLO_CFG) &
4385 +                       ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) | sysclk,
4386 +                       FE_FE_GLO_CFG);
4387 +       }
4388 +
4389 +       fe_w32(fe_r32(RT5350_SDM_CFG) & ~0xffff, RT5350_SDM_CFG);
4390 +       fe_w32(fe_r32(RT5350_SDM_CFG) | RT5350_SDM_ICS_EN | RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN,
4391 +               RT5350_SDM_CFG);
4392 +}
4393 +
4394 +static void rt5350_fe_reset(void)
4395 +{
4396 +       rt_sysc_w32(RT305X_RESET_FE | RT305X_RESET_ESW, SYSC_REG_RESET_CTRL);
4397 +       rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
4398 +}
4399 +
4400 +static struct fe_soc_data rt3050_data = {
4401 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4402 +       .reset_fe = rt305x_fe_reset,
4403 +       .min_pkt_len = 64,
4404 +        .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
4405 +       .checksum_bit = RX_DMA_L4VALID,
4406 +       .rx_dly_int = FE_RX_DLY_INT,
4407 +       .tx_dly_int = FE_TX_DLY_INT,
4408 +};
4409 +
4410 +static struct fe_soc_data rt5350_data = {
4411 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4412 +       .reg_table = rt5350_reg_table,
4413 +       .reset_fe = rt5350_fe_reset,
4414 +       .set_mac = rt5350_set_mac,
4415 +       .fwd_config = rt5350_fwd_config,
4416 +       .min_pkt_len = 64,
4417 +        .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
4418 +       .checksum_bit = RX_DMA_L4VALID,
4419 +       .rx_dly_int = RT5350_RX_DLY_INT,
4420 +       .tx_dly_int = RT5350_TX_DLY_INT,
4421 +};
4422 +
4423 +const struct of_device_id of_fe_match[] = {
4424 +       { .compatible = "ralink,rt3050-eth", .data = &rt3050_data },
4425 +       { .compatible = "ralink,rt5350-eth", .data = &rt5350_data },
4426 +       {},
4427 +};
4428 +
4429 +MODULE_DEVICE_TABLE(of, of_fe_match);
4430 Index: linux-3.10.21/drivers/net/ethernet/ralink/soc_rt3883.c
4431 ===================================================================
4432 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4433 +++ linux-3.10.21/drivers/net/ethernet/ralink/soc_rt3883.c      2013-12-09 13:26:42.332125203 +0100
4434 @@ -0,0 +1,60 @@
4435 +/*
4436 + *   This program is free software; you can redistribute it and/or modify
4437 + *   it under the terms of the GNU General Public License as published by
4438 + *   the Free Software Foundation; version 2 of the License
4439 + *
4440 + *   This program is distributed in the hope that it will be useful,
4441 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
4442 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4443 + *   GNU General Public License for more details.
4444 + *
4445 + *   You should have received a copy of the GNU General Public License
4446 + *   along with this program; if not, write to the Free Software
4447 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
4448 + *
4449 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
4450 + */
4451 +
4452 +#include <linux/module.h>
4453 +
4454 +#include <asm/mach-ralink/ralink_regs.h>
4455 +
4456 +#include "ralink_soc_eth.h"
4457 +#include "mdio_rt2880.h"
4458 +
4459 +#define RT3883_SYSC_REG_RSTCTRL                0x34
4460 +#define RT3883_RSTCTRL_FE              BIT(21)
4461 +
4462 +static void rt3883_fe_reset(void)
4463 +{
4464 +       u32 t;
4465 +
4466 +       t = rt_sysc_r32(RT3883_SYSC_REG_RSTCTRL);
4467 +       t |= RT3883_RSTCTRL_FE;
4468 +       rt_sysc_w32(t , RT3883_SYSC_REG_RSTCTRL);
4469 +
4470 +       t &= ~RT3883_RSTCTRL_FE;
4471 +       rt_sysc_w32(t, RT3883_SYSC_REG_RSTCTRL);
4472 +}
4473 +
4474 +static struct fe_soc_data rt3883_data = {
4475 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4476 +       .reset_fe = rt3883_fe_reset,
4477 +       .min_pkt_len = 64,
4478 +        .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
4479 +       .rx_dly_int = FE_RX_DLY_INT,
4480 +       .tx_dly_int = FE_TX_DLY_INT,
4481 +       .checksum_bit = RX_DMA_L4VALID,
4482 +       .mdio_read = rt2880_mdio_read,
4483 +       .mdio_write = rt2880_mdio_write,
4484 +       .mdio_adjust_link = rt2880_mdio_link_adjust,
4485 +       .port_init = rt2880_port_init,
4486 +};
4487 +
4488 +const struct of_device_id of_fe_match[] = {
4489 +       { .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
4490 +       {},
4491 +};
4492 +
4493 +MODULE_DEVICE_TABLE(of, of_fe_match);
4494 +
4495 Index: linux-3.10.21/drivers/net/ethernet/ralink/mt7530.c
4496 ===================================================================
4497 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4498 +++ linux-3.10.21/drivers/net/ethernet/ralink/mt7530.c  2013-12-09 13:26:42.336125203 +0100
4499 @@ -0,0 +1,467 @@
4500 +/*
4501 + * This program is free software; you can redistribute it and/or
4502 + * modify it under the terms of the GNU General Public License
4503 + * as published by the Free Software Foundation; either version 2
4504 + * of the License, or (at your option) any later version.
4505 + *
4506 + * This program is distributed in the hope that it will be useful,
4507 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
4508 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4509 + * GNU General Public License for more details.
4510 + *
4511 + * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
4512 + */
4513 +
4514 +#include <linux/if.h>
4515 +#include <linux/module.h>
4516 +#include <linux/init.h>
4517 +#include <linux/list.h>
4518 +#include <linux/if_ether.h>
4519 +#include <linux/skbuff.h>
4520 +#include <linux/netdevice.h>
4521 +#include <linux/netlink.h>
4522 +#include <linux/bitops.h>
4523 +#include <net/genetlink.h>
4524 +#include <linux/switch.h>
4525 +#include <linux/delay.h>
4526 +#include <linux/phy.h>
4527 +#include <linux/netdevice.h>
4528 +#include <linux/etherdevice.h>
4529 +#include <linux/lockdep.h>
4530 +#include <linux/workqueue.h>
4531 +#include <linux/of_device.h>
4532 +
4533 +#include "mt7530.h"
4534 +
4535 +#define MT7530_CPU_PORT                6
4536 +#define MT7530_NUM_PORTS       7
4537 +#define MT7530_NUM_VLANS       16
4538 +#define MT7530_NUM_VIDS                16
4539 +
4540 +#define REG_ESW_VLAN_VTCR      0x90
4541 +#define REG_ESW_VLAN_VAWD1     0x94
4542 +#define REG_ESW_VLAN_VAWD2     0x98
4543 +
4544 +enum {
4545 +       /* Global attributes. */
4546 +       MT7530_ATTR_ENABLE_VLAN,
4547 +};
4548 +
4549 +struct mt7530_port {
4550 +       u16     pvid;
4551 +};
4552 +
4553 +struct mt7530_vlan {
4554 +       u8      ports;
4555 +};
4556 +
4557 +struct mt7530_priv {
4558 +       void __iomem            *base;
4559 +       struct mii_bus          *bus;
4560 +       struct switch_dev       swdev;
4561 +
4562 +       bool                    global_vlan_enable;
4563 +       struct mt7530_vlan      vlans[MT7530_NUM_VLANS];
4564 +       struct mt7530_port      ports[MT7530_NUM_PORTS];
4565 +};
4566 +
4567 +struct mt7530_mapping {
4568 +       char    *name;
4569 +       u8      pvids[6];
4570 +       u8      vlans[8];
4571 +} mt7530_defaults[] = {
4572 +       {
4573 +               .name = "llllw",
4574 +               .pvids = { 1, 1, 1, 1, 2, 1 },
4575 +               .vlans = { 0, 0x6f, 0x50 },
4576 +       }, {
4577 +               .name = "wllll",
4578 +               .pvids = { 2, 1, 1, 1, 1, 1 },
4579 +               .vlans = { 0, 0x7e, 0x41 },
4580 +       },
4581 +};
4582 +
4583 +struct mt7530_mapping*
4584 +mt7530_find_mapping(struct device_node *np)
4585 +{
4586 +       const char *map;
4587 +       int i;
4588 +
4589 +       if (of_property_read_string(np, "ralink,port-map", &map))
4590 +               return NULL;
4591 +
4592 +       for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++)
4593 +               if (!strcmp(map, mt7530_defaults[i].name))
4594 +                       return &mt7530_defaults[i];
4595 +
4596 +       return NULL;
4597 +}
4598 +
4599 +static void
4600 +mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map)
4601 +{
4602 +       int i = 0;
4603 +
4604 +       mt7530->global_vlan_enable = 1;
4605 +
4606 +       for (i = 0; i < 6; i++)
4607 +               mt7530->ports[i].pvid = map->pvids[i];
4608 +       for (i = 0; i < 8; i++)
4609 +               mt7530->vlans[i].ports = map->vlans[i];
4610 +}
4611 +
4612 +static int
4613 +mt7530_reset_switch(struct switch_dev *dev)
4614 +{
4615 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4616 +
4617 +       memset(priv->ports, 0, sizeof(priv->ports));
4618 +       memset(priv->vlans, 0, sizeof(priv->vlans));
4619 +
4620 +       return 0;
4621 +}
4622 +
4623 +static int
4624 +mt7530_get_vlan_enable(struct switch_dev *dev,
4625 +                          const struct switch_attr *attr,
4626 +                          struct switch_val *val)
4627 +{
4628 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4629 +
4630 +       val->value.i = priv->global_vlan_enable;
4631 +
4632 +       return 0;
4633 +}
4634 +
4635 +static int
4636 +mt7530_set_vlan_enable(struct switch_dev *dev,
4637 +                          const struct switch_attr *attr,
4638 +                          struct switch_val *val)
4639 +{
4640 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4641 +
4642 +       priv->global_vlan_enable = val->value.i != 0;
4643 +
4644 +       return 0;
4645 +}
4646 +
4647 +static u32
4648 +mt7530_r32(struct mt7530_priv *priv, u32 reg)
4649 +{
4650 +       if (priv->bus) {
4651 +               u16 high, low;
4652 +
4653 +               mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
4654 +               low = mdiobus_read(priv->bus, 0x1f, (reg >> 2) & 0xf);
4655 +               high = mdiobus_read(priv->bus, 0x1f, 0x10);
4656 +
4657 +               return (high << 16) | (low & 0xffff);
4658 +       }
4659 +
4660 +        return ioread32(priv->base + reg);
4661 +}
4662 +
4663 +static void
4664 +mt7530_w32(struct mt7530_priv *priv, u32 reg, u32 val)
4665 +{
4666 +       if (priv->bus) {
4667 +               mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
4668 +               mdiobus_write(priv->bus, 0x1f, (reg >> 2) & 0xf,  val & 0xffff);
4669 +               mdiobus_write(priv->bus, 0x1f, 0x10, val >> 16);
4670 +               return;
4671 +       }
4672 +
4673 +       iowrite32(val, priv->base + reg);
4674 +}
4675 +
4676 +static void
4677 +mt7530_vtcr(struct mt7530_priv *priv, u32 cmd, u32 val)
4678 +{
4679 +       int i;
4680 +
4681 +       mt7530_w32(priv, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val);
4682 +
4683 +       for (i = 0; i < 20; i++) {
4684 +               u32 val = mt7530_r32(priv, REG_ESW_VLAN_VTCR);
4685 +
4686 +               if ((val & BIT(31)) == 0)
4687 +                       break;
4688 +
4689 +               udelay(1000);
4690 +       }
4691 +       if (i == 20)
4692 +               printk("mt7530: vtcr timeout\n");
4693 +}
4694 +
4695 +static int
4696 +mt7530_get_port_pvid(struct switch_dev *dev, int port, int *val)
4697 +{
4698 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4699 +
4700 +       if (port >= MT7530_NUM_PORTS)
4701 +               return -EINVAL;
4702 +
4703 +       *val = mt7530_r32(priv, 0x2014 + (0x100 * port));
4704 +       *val &= 0xff;
4705 +
4706 +       return 0;
4707 +}
4708 +
4709 +static int
4710 +mt7530_set_port_pvid(struct switch_dev *dev, int port, int pvid)
4711 +{
4712 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4713 +
4714 +       if (port >= MT7530_NUM_PORTS)
4715 +               return -1;
4716 +
4717 +       priv->ports[port].pvid = pvid;
4718 +
4719 +       return 0;
4720 +}
4721 +
4722 +static int
4723 +mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
4724 +{
4725 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4726 +       u32 member;
4727 +       int i;
4728 +
4729 +       val->len = 0;
4730 +
4731 +       if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VIDS)
4732 +               return -EINVAL;
4733 +
4734 +       mt7530_vtcr(priv, 0, val->port_vlan);
4735 +       member = mt7530_r32(priv, REG_ESW_VLAN_VAWD1);
4736 +       member >>= 16;
4737 +       member &= 0xff;
4738 +
4739 +       for (i = 0; i < MT7530_NUM_PORTS; i++) {
4740 +               struct switch_port *p;
4741 +               if (!(member & BIT(i)))
4742 +                       continue;
4743 +
4744 +               p = &val->value.ports[val->len++];
4745 +               p->id = i;
4746 +               p->flags = 0;
4747 +       }
4748 +
4749 +       return 0;
4750 +}
4751 +
4752 +static int
4753 +mt7530_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
4754 +{
4755 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4756 +       int ports = 0;
4757 +       int i;
4758 +
4759 +       if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VIDS ||
4760 +                       val->len > MT7530_NUM_PORTS)
4761 +               return -EINVAL;
4762 +
4763 +       for (i = 0; i < val->len; i++) {
4764 +               struct switch_port *p = &val->value.ports[i];
4765 +
4766 +               if (p->id >= MT7530_NUM_PORTS)
4767 +                       return -EINVAL;
4768 +
4769 +               ports |= BIT(p->id);
4770 +       }
4771 +       priv->vlans[val->port_vlan].ports = ports;
4772 +
4773 +       return 0;
4774 +}
4775 +
4776 +static int
4777 +mt7530_apply_config(struct switch_dev *dev)
4778 +{
4779 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4780 +       int i;
4781 +
4782 +       if (!priv->global_vlan_enable) {
4783 +               mt7530_w32(priv, 0x2004, 0xff000);
4784 +               mt7530_w32(priv, 0x2104, 0xff000);
4785 +               mt7530_w32(priv, 0x2204, 0xff000);
4786 +               mt7530_w32(priv, 0x2304, 0xff000);
4787 +               mt7530_w32(priv, 0x2404, 0xff000);
4788 +               mt7530_w32(priv, 0x2504, 0xff000);
4789 +               mt7530_w32(priv, 0x2604, 0xff000);
4790 +               mt7530_w32(priv, 0x2010, 0x810000c);
4791 +               mt7530_w32(priv, 0x2110, 0x810000c);
4792 +               mt7530_w32(priv, 0x2210, 0x810000c);
4793 +               mt7530_w32(priv, 0x2310, 0x810000c);
4794 +               mt7530_w32(priv, 0x2410, 0x810000c);
4795 +               mt7530_w32(priv, 0x2510, 0x810000c);
4796 +               mt7530_w32(priv, 0x2610, 0x810000c);
4797 +               return 0;
4798 +       }
4799 +
4800 +       // LAN/WAN ports as security mode
4801 +       mt7530_w32(priv, 0x2004, 0xff0003);
4802 +       mt7530_w32(priv, 0x2104, 0xff0003);
4803 +       mt7530_w32(priv, 0x2204, 0xff0003);
4804 +       mt7530_w32(priv, 0x2304, 0xff0003);
4805 +       mt7530_w32(priv, 0x2404, 0xff0003);
4806 +       mt7530_w32(priv, 0x2504, 0xff0003);
4807 +       // LAN/WAN ports as transparent port
4808 +       mt7530_w32(priv, 0x2010, 0x810000c0);
4809 +       mt7530_w32(priv, 0x2110, 0x810000c0);
4810 +       mt7530_w32(priv, 0x2210, 0x810000c0);
4811 +       mt7530_w32(priv, 0x2310, 0x810000c0);
4812 +       mt7530_w32(priv, 0x2410, 0x810000c0);
4813 +       mt7530_w32(priv, 0x2510, 0x810000c0);
4814 +
4815 +       // set CPU/P7 port as user port
4816 +       mt7530_w32(priv, 0x2610, 0x81000000);
4817 +       mt7530_w32(priv, 0x2710, 0x81000000);
4818 +
4819 +       mt7530_w32(priv, 0x2604, 0x20ff0003);
4820 +       mt7530_w32(priv, 0x2704, 0x20ff0003);
4821 +       mt7530_w32(priv, 0x2610, 0x81000000);
4822 +
4823 +       for (i = 0; i < MT7530_NUM_VLANS; i++) {
4824 +               u8 ports = priv->vlans[i].ports;
4825 +               u32 val = mt7530_r32(priv, 0x100 + 4 * (i / 2));
4826 +
4827 +               if (i % 2 == 0) {
4828 +                       val &= 0xfff000;
4829 +                       val |= i;
4830 +               } else {
4831 +                       val &= 0xfff;
4832 +                       val |= (i << 12);
4833 +               }
4834 +               mt7530_w32(priv, 0x100 + 4 * (i / 2), val);
4835 +
4836 +               if (ports)
4837 +                       mt7530_w32(priv, REG_ESW_VLAN_VAWD1, BIT(30) | (ports << 16) | BIT(0));
4838 +               else
4839 +                       mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0);
4840 +
4841 +               mt7530_vtcr(priv, 1, i);
4842 +       }
4843 +
4844 +       for (i = 0; i < MT7530_NUM_PORTS; i++)
4845 +               mt7530_w32(priv, 0x2014 + (0x100 * i), 0x10000 | priv->ports[i].pvid);
4846 +
4847 +       return 0;
4848 +}
4849 +
4850 +static int
4851 +mt7530_get_port_link(struct switch_dev *dev,  int port,
4852 +                        struct switch_port_link *link)
4853 +{
4854 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4855 +       u32 speed, pmsr;
4856 +
4857 +       if (port < 0 || port >= MT7530_NUM_PORTS)
4858 +               return -EINVAL;
4859 +
4860 +       pmsr = mt7530_r32(priv, 0x3008 + (0x100 * port));
4861 +
4862 +       link->link = pmsr & 1;
4863 +       link->duplex = (pmsr >> 1) & 1;
4864 +       speed = (pmsr >> 2) & 3;
4865 +
4866 +       switch (speed) {
4867 +       case 0:
4868 +               link->speed = SWITCH_PORT_SPEED_10;
4869 +               break;
4870 +       case 1:
4871 +               link->speed = SWITCH_PORT_SPEED_100;
4872 +               break;
4873 +       case 2:
4874 +       case 3: /* forced gige speed can be 2 or 3 */
4875 +               link->speed = SWITCH_PORT_SPEED_1000;
4876 +               break;
4877 +       default:
4878 +               link->speed = SWITCH_PORT_SPEED_UNKNOWN;
4879 +               break;
4880 +       }
4881 +
4882 +       return 0;
4883 +}
4884 +
4885 +static const struct switch_attr mt7530_global[] = {
4886 +       {
4887 +               .type = SWITCH_TYPE_INT,
4888 +               .name = "enable_vlan",
4889 +               .description = "VLAN mode (1:enabled)",
4890 +               .max = 1,
4891 +               .id = MT7530_ATTR_ENABLE_VLAN,
4892 +               .get = mt7530_get_vlan_enable,
4893 +               .set = mt7530_set_vlan_enable,
4894 +       },
4895 +};
4896 +
4897 +static const struct switch_attr mt7530_port[] = {
4898 +};
4899 +
4900 +static const struct switch_attr mt7530_vlan[] = {
4901 +};
4902 +
4903 +static const struct switch_dev_ops mt7530_ops = {
4904 +       .attr_global = {
4905 +               .attr = mt7530_global,
4906 +               .n_attr = ARRAY_SIZE(mt7530_global),
4907 +       },
4908 +       .attr_port = {
4909 +               .attr = mt7530_port,
4910 +               .n_attr = ARRAY_SIZE(mt7530_port),
4911 +       },
4912 +       .attr_vlan = {
4913 +               .attr = mt7530_vlan,
4914 +               .n_attr = ARRAY_SIZE(mt7530_vlan),
4915 +       },
4916 +       .get_vlan_ports = mt7530_get_vlan_ports,
4917 +       .set_vlan_ports = mt7530_set_vlan_ports,
4918 +       .get_port_pvid = mt7530_get_port_pvid,
4919 +       .set_port_pvid = mt7530_set_port_pvid,
4920 +       .get_port_link = mt7530_get_port_link,
4921 +       .apply_config = mt7530_apply_config,
4922 +       .reset_switch = mt7530_reset_switch,
4923 +};
4924 +
4925 +int
4926 +mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus)
4927 +{
4928 +       struct switch_dev *swdev;
4929 +       struct mt7530_priv *mt7530;
4930 +       struct mt7530_mapping *map;
4931 +       int ret;
4932 +
4933 +       if (bus && bus->phy_map[0x1f]->phy_id != 0x1beef)
4934 +               return 0;
4935 +
4936 +       mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL);
4937 +       if (!mt7530)
4938 +               return -ENOMEM;
4939 +
4940 +       mt7530->base = base;
4941 +       mt7530->bus = bus;
4942 +       mt7530->global_vlan_enable = 1;
4943 +
4944 +       swdev = &mt7530->swdev;
4945 +       swdev->name = "mt7530";
4946 +       swdev->alias = "mt7530";
4947 +       swdev->cpu_port = MT7530_CPU_PORT;
4948 +       swdev->ports = MT7530_NUM_PORTS;
4949 +       swdev->vlans = MT7530_NUM_VLANS;
4950 +       swdev->ops = &mt7530_ops;
4951 +
4952 +       ret = register_switch(swdev, NULL);
4953 +       if (ret) {
4954 +               dev_err(dev, "failed to register mt7530\n");
4955 +               return ret;
4956 +       }
4957 +
4958 +       dev_info(dev, "loaded mt7530 driver\n");
4959 +
4960 +       map = mt7530_find_mapping(dev->of_node);
4961 +       if (map)
4962 +               mt7530_apply_mapping(mt7530, map);
4963 +       mt7530_apply_config(swdev);
4964 +
4965 +       return 0;
4966 +}
4967 Index: linux-3.10.21/drivers/net/ethernet/ralink/mt7530.h
4968 ===================================================================
4969 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4970 +++ linux-3.10.21/drivers/net/ethernet/ralink/mt7530.h  2013-12-09 13:26:42.336125203 +0100
4971 @@ -0,0 +1,20 @@
4972 +/*
4973 + * This program is free software; you can redistribute it and/or
4974 + * modify it under the terms of the GNU General Public License
4975 + * as published by the Free Software Foundation; either version 2
4976 + * of the License, or (at your option) any later version.
4977 + *
4978 + * This program is distributed in the hope that it will be useful,
4979 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
4980 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4981 + * GNU General Public License for more details.
4982 + *
4983 + * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
4984 + */
4985 +
4986 +#ifndef _MT7530_H__
4987 +#define _MT7530_H__
4988 +
4989 +int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus);
4990 +
4991 +#endif