ralink: vlan offloading is causing problems. disable it
[openwrt.git] / target / linux / ramips / patches-3.9 / 0159-NET-MIPS-add-ralink-SoC-ethernet-driver.patch
1 From 1efe3ce91ab951090ac8db1872f0de32e0a88de8 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] 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       |  746 ++++++++++
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  drivers/watchdog/rt2880_wdt.c                      |    9 +-
31  21 files changed, 4622 insertions(+), 4 deletions(-)
32  create mode 100644 arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
33  create mode 100644 drivers/net/ethernet/ralink/Kconfig
34  create mode 100644 drivers/net/ethernet/ralink/Makefile
35  create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.c
36  create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.h
37  create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.c
38  create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.h
39  create mode 100644 drivers/net/ethernet/ralink/mdio.c
40  create mode 100644 drivers/net/ethernet/ralink/mdio.h
41  create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.c
42  create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.h
43  create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.c
44  create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.h
45  create mode 100644 drivers/net/ethernet/ralink/soc_mt7620.c
46  create mode 100644 drivers/net/ethernet/ralink/soc_rt2880.c
47  create mode 100644 drivers/net/ethernet/ralink/soc_rt305x.c
48  create mode 100644 drivers/net/ethernet/ralink/soc_rt3883.c
49
50 --- /dev/null
51 +++ b/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
52 @@ -0,0 +1,27 @@
53 +/*
54 + *  Ralink RT305x SoC platform device registration
55 + *
56 + *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
57 + *
58 + *  This program is free software; you can redistribute it and/or modify it
59 + *  under the terms of the GNU General Public License version 2 as published
60 + *  by the Free Software Foundation.
61 + */
62 +
63 +#ifndef _RT305X_ESW_PLATFORM_H
64 +#define _RT305X_ESW_PLATFORM_H
65 +
66 +enum {
67 +       RT305X_ESW_VLAN_CONFIG_NONE = 0,
68 +       RT305X_ESW_VLAN_CONFIG_LLLLW,
69 +       RT305X_ESW_VLAN_CONFIG_WLLLL,
70 +};
71 +
72 +struct rt305x_esw_platform_data
73 +{
74 +       u8 vlan_config;
75 +       u32 reg_initval_fct2;
76 +       u32 reg_initval_fpa2;
77 +};
78 +
79 +#endif /* _RT305X_ESW_PLATFORM_H */
80 --- a/arch/mips/ralink/rt305x.c
81 +++ b/arch/mips/ralink/rt305x.c
82 @@ -221,6 +221,7 @@ void __init ralink_clk_init(void)
83         }
84  
85         ralink_clk_add("cpu", cpu_rate);
86 +       ralink_clk_add("sys", sys_rate);
87         ralink_clk_add("10000b00.spi", sys_rate);
88         ralink_clk_add("10000100.timer", wdt_rate);
89         ralink_clk_add("10000120.watchdog", wdt_rate);
90 --- a/drivers/net/ethernet/Kconfig
91 +++ b/drivers/net/ethernet/Kconfig
92 @@ -135,6 +135,7 @@ config ETHOC
93  source "drivers/net/ethernet/packetengines/Kconfig"
94  source "drivers/net/ethernet/pasemi/Kconfig"
95  source "drivers/net/ethernet/qlogic/Kconfig"
96 +source "drivers/net/ethernet/ralink/Kconfig"
97  source "drivers/net/ethernet/realtek/Kconfig"
98  source "drivers/net/ethernet/renesas/Kconfig"
99  source "drivers/net/ethernet/rdc/Kconfig"
100 --- a/drivers/net/ethernet/Makefile
101 +++ b/drivers/net/ethernet/Makefile
102 @@ -53,6 +53,7 @@ obj-$(CONFIG_ETHOC) += ethoc.o
103  obj-$(CONFIG_NET_PACKET_ENGINE) += packetengines/
104  obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
105  obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/
106 +obj-$(CONFIG_NET_RALINK) += ralink/
107  obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/
108  obj-$(CONFIG_SH_ETH) += renesas/
109  obj-$(CONFIG_NET_VENDOR_RDC) += rdc/
110 --- /dev/null
111 +++ b/drivers/net/ethernet/ralink/Kconfig
112 @@ -0,0 +1,31 @@
113 +config NET_RALINK
114 +       tristate "Ralink RT288X/RT3X5X/RT3662/RT3883/MT7620 ethernet driver"
115 +       depends on RALINK
116 +       help
117 +         This driver supports the ethernet mac inside the ralink wisocs
118 +
119 +if NET_RALINK
120 +
121 +config NET_RALINK_MDIO
122 +       def_bool NET_RALINK
123 +       depends on (SOC_RT288X || SOC_RT3883 || SOC_MT7620)
124 +       select PHYLIB
125 +
126 +config NET_RALINK_MDIO_RT2880
127 +       def_bool NET_RALINK
128 +       depends on (SOC_RT288X || SOC_RT3883)
129 +       select NET_RALINK_MDIO
130 +
131 +config NET_RALINK_ESW_RT3052
132 +       def_bool NET_RALINK
133 +       depends on SOC_RT305X
134 +       select PHYLIB
135 +       select SWCONFIG
136 +
137 +config NET_RALINK_GSW_MT7620
138 +       def_bool NET_RALINK
139 +       depends on SOC_MT7620
140 +       select NET_RALINK_MDIO
141 +       select PHYLIB
142 +       select SWCONFIG
143 +endif
144 --- /dev/null
145 +++ b/drivers/net/ethernet/ralink/Makefile
146 @@ -0,0 +1,18 @@
147 +#
148 +# Makefile for the Ralink SoCs built-in ethernet macs
149 +#
150 +
151 +ralink-eth-y                                   += ralink_soc_eth.o
152 +
153 +ralink-eth-$(CONFIG_NET_RALINK_MDIO)           += mdio.o
154 +ralink-eth-$(CONFIG_NET_RALINK_MDIO_RT2880)    += mdio_rt2880.o
155 +
156 +ralink-eth-$(CONFIG_NET_RALINK_ESW_RT3052)     += esw_rt3052.o
157 +ralink-eth-$(CONFIG_NET_RALINK_GSW_MT7620)     += gsw_mt7620a.o
158 +
159 +ralink-eth-$(CONFIG_SOC_RT288X)                        += soc_rt2880.o
160 +ralink-eth-$(CONFIG_SOC_RT305X)                        += soc_rt305x.o
161 +ralink-eth-$(CONFIG_SOC_RT3883)                        += soc_rt3883.o
162 +ralink-eth-$(CONFIG_SOC_MT7620)                        += soc_mt7620.o
163 +
164 +obj-$(CONFIG_NET_RALINK)                       += ralink-eth.o
165 --- /dev/null
166 +++ b/drivers/net/ethernet/ralink/esw_rt3052.c
167 @@ -0,0 +1,1463 @@
168 +/*
169 + *   This program is free software; you can redistribute it and/or modify
170 + *   it under the terms of the GNU General Public License as published by
171 + *   the Free Software Foundation; version 2 of the License
172 + *
173 + *   This program is distributed in the hope that it will be useful,
174 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
175 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
176 + *   GNU General Public License for more details.
177 + *
178 + *   You should have received a copy of the GNU General Public License
179 + *   along with this program; if not, write to the Free Software
180 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
181 + *
182 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
183 + */
184 +
185 +#include <linux/module.h>
186 +#include <linux/kernel.h>
187 +#include <linux/types.h>
188 +#include <linux/dma-mapping.h>
189 +#include <linux/init.h>
190 +#include <linux/skbuff.h>
191 +#include <linux/etherdevice.h>
192 +#include <linux/ethtool.h>
193 +#include <linux/platform_device.h>
194 +#include <linux/of_device.h>
195 +#include <linux/clk.h>
196 +#include <linux/of_net.h>
197 +#include <linux/of_mdio.h>
198 +
199 +#include <asm/mach-ralink/ralink_regs.h>
200 +
201 +#include "ralink_soc_eth.h"
202 +
203 +#include <linux/ioport.h>
204 +#include <linux/switch.h>
205 +#include <linux/mii.h>
206 +
207 +#include <ralink_regs.h>
208 +#include <asm/mach-ralink/rt305x.h>
209 +#include <asm/mach-ralink/rt305x_esw_platform.h>
210 +
211 +/*
212 + * HW limitations for this switch:
213 + * - No large frame support (PKT_MAX_LEN at most 1536)
214 + * - Can't have untagged vlan and tagged vlan on one port at the same time,
215 + *   though this might be possible using the undocumented PPE.
216 + */
217 +
218 +#define RT305X_ESW_REG_ISR             0x00
219 +#define RT305X_ESW_REG_IMR             0x04
220 +#define RT305X_ESW_REG_FCT0            0x08
221 +#define RT305X_ESW_REG_PFC1            0x14
222 +#define RT305X_ESW_REG_ATS             0x24
223 +#define RT305X_ESW_REG_ATS0            0x28
224 +#define RT305X_ESW_REG_ATS1            0x2c
225 +#define RT305X_ESW_REG_ATS2            0x30
226 +#define RT305X_ESW_REG_PVIDC(_n)       (0x40 + 4 * (_n))
227 +#define RT305X_ESW_REG_VLANI(_n)       (0x50 + 4 * (_n))
228 +#define RT305X_ESW_REG_VMSC(_n)                (0x70 + 4 * (_n))
229 +#define RT305X_ESW_REG_POA             0x80
230 +#define RT305X_ESW_REG_FPA             0x84
231 +#define RT305X_ESW_REG_SOCPC           0x8c
232 +#define RT305X_ESW_REG_POC0            0x90
233 +#define RT305X_ESW_REG_POC1            0x94
234 +#define RT305X_ESW_REG_POC2            0x98
235 +#define RT305X_ESW_REG_SGC             0x9c
236 +#define RT305X_ESW_REG_STRT            0xa0
237 +#define RT305X_ESW_REG_PCR0            0xc0
238 +#define RT305X_ESW_REG_PCR1            0xc4
239 +#define RT305X_ESW_REG_FPA2            0xc8
240 +#define RT305X_ESW_REG_FCT2            0xcc
241 +#define RT305X_ESW_REG_SGC2            0xe4
242 +#define RT305X_ESW_REG_P0LED           0xa4
243 +#define RT305X_ESW_REG_P1LED           0xa8
244 +#define RT305X_ESW_REG_P2LED           0xac
245 +#define RT305X_ESW_REG_P3LED           0xb0
246 +#define RT305X_ESW_REG_P4LED           0xb4
247 +#define RT305X_ESW_REG_PXPC(_x)                (0xe8 + (4 * _x))
248 +#define RT305X_ESW_REG_P1PC            0xec
249 +#define RT305X_ESW_REG_P2PC            0xf0
250 +#define RT305X_ESW_REG_P3PC            0xf4
251 +#define RT305X_ESW_REG_P4PC            0xf8
252 +#define RT305X_ESW_REG_P5PC            0xfc
253 +
254 +#define RT305X_ESW_LED_LINK            0
255 +#define RT305X_ESW_LED_100M            1
256 +#define RT305X_ESW_LED_DUPLEX          2
257 +#define RT305X_ESW_LED_ACTIVITY                3
258 +#define RT305X_ESW_LED_COLLISION       4
259 +#define RT305X_ESW_LED_LINKACT         5
260 +#define RT305X_ESW_LED_DUPLCOLL                6
261 +#define RT305X_ESW_LED_10MACT          7
262 +#define RT305X_ESW_LED_100MACT         8
263 +/* Additional led states not in datasheet: */
264 +#define RT305X_ESW_LED_BLINK           10
265 +#define RT305X_ESW_LED_ON              12
266 +
267 +#define RT305X_ESW_LINK_S              25
268 +#define RT305X_ESW_DUPLEX_S            9
269 +#define RT305X_ESW_SPD_S               0
270 +
271 +#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16
272 +#define RT305X_ESW_PCR0_WT_PHY_CMD     BIT(13)
273 +#define RT305X_ESW_PCR0_CPU_PHY_REG_S  8
274 +
275 +#define RT305X_ESW_PCR1_WT_DONE                BIT(0)
276 +
277 +#define RT305X_ESW_ATS_TIMEOUT         (5 * HZ)
278 +#define RT305X_ESW_PHY_TIMEOUT         (5 * HZ)
279 +
280 +#define RT305X_ESW_PVIDC_PVID_M                0xfff
281 +#define RT305X_ESW_PVIDC_PVID_S                12
282 +
283 +#define RT305X_ESW_VLANI_VID_M         0xfff
284 +#define RT305X_ESW_VLANI_VID_S         12
285 +
286 +#define RT305X_ESW_VMSC_MSC_M          0xff
287 +#define RT305X_ESW_VMSC_MSC_S          8
288 +
289 +#define RT305X_ESW_SOCPC_DISUN2CPU_S   0
290 +#define RT305X_ESW_SOCPC_DISMC2CPU_S   8
291 +#define RT305X_ESW_SOCPC_DISBC2CPU_S   16
292 +#define RT305X_ESW_SOCPC_CRC_PADDING   BIT(25)
293 +
294 +#define RT305X_ESW_POC0_EN_BP_S                0
295 +#define RT305X_ESW_POC0_EN_FC_S                8
296 +#define RT305X_ESW_POC0_DIS_RMC2CPU_S  16
297 +#define RT305X_ESW_POC0_DIS_PORT_M     0x7f
298 +#define RT305X_ESW_POC0_DIS_PORT_S     23
299 +
300 +#define RT305X_ESW_POC2_UNTAG_EN_M     0xff
301 +#define RT305X_ESW_POC2_UNTAG_EN_S     0
302 +#define RT305X_ESW_POC2_ENAGING_S      8
303 +#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16
304 +
305 +#define RT305X_ESW_SGC2_DOUBLE_TAG_M   0x7f
306 +#define RT305X_ESW_SGC2_DOUBLE_TAG_S   0
307 +#define RT305X_ESW_SGC2_LAN_PMAP_M     0x3f
308 +#define RT305X_ESW_SGC2_LAN_PMAP_S     24
309 +
310 +#define RT305X_ESW_PFC1_EN_VLAN_M      0xff
311 +#define RT305X_ESW_PFC1_EN_VLAN_S      16
312 +#define RT305X_ESW_PFC1_EN_TOS_S       24
313 +
314 +#define RT305X_ESW_VLAN_NONE           0xfff
315 +
316 +#define RT305X_ESW_GSC_BC_STROM_MASK   0x3
317 +#define RT305X_ESW_GSC_BC_STROM_SHIFT  4
318 +
319 +#define RT305X_ESW_GSC_LED_FREQ_MASK   0x3
320 +#define RT305X_ESW_GSC_LED_FREQ_SHIFT  23
321 +
322 +#define RT305X_ESW_POA_LINK_MASK       0x1f
323 +#define RT305X_ESW_POA_LINK_SHIFT      25
324 +
325 +#define RT305X_ESW_PORT_ST_CHG         BIT(26)
326 +#define RT305X_ESW_PORT0               0
327 +#define RT305X_ESW_PORT1               1
328 +#define RT305X_ESW_PORT2               2
329 +#define RT305X_ESW_PORT3               3
330 +#define RT305X_ESW_PORT4               4
331 +#define RT305X_ESW_PORT5               5
332 +#define RT305X_ESW_PORT6               6
333 +
334 +#define RT305X_ESW_PORTS_NONE          0
335 +
336 +#define RT305X_ESW_PMAP_LLLLLL         0x3f
337 +#define RT305X_ESW_PMAP_LLLLWL         0x2f
338 +#define RT305X_ESW_PMAP_WLLLLL         0x3e
339 +
340 +#define RT305X_ESW_PORTS_INTERNAL                                      \
341 +               (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) |        \
342 +                BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) |        \
343 +                BIT(RT305X_ESW_PORT4))
344 +
345 +#define RT305X_ESW_PORTS_NOCPU                                         \
346 +               (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
347 +
348 +#define RT305X_ESW_PORTS_CPU   BIT(RT305X_ESW_PORT6)
349 +
350 +#define RT305X_ESW_PORTS_ALL                                           \
351 +               (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
352 +
353 +#define RT305X_ESW_NUM_VLANS           16
354 +#define RT305X_ESW_NUM_VIDS            4096
355 +#define RT305X_ESW_NUM_PORTS           7
356 +#define RT305X_ESW_NUM_LANWAN          6
357 +#define RT305X_ESW_NUM_LEDS            5
358 +
359 +#define RT5350_ESW_REG_PXTPC(_x)       (0x150 + (4 * _x))
360 +#define RT5350_EWS_REG_LED_POLARITY    0x168
361 +#define RT5350_RESET_EPHY              BIT(24)
362 +#define SYSC_REG_RESET_CTRL            0x34
363 +
364 +enum {
365 +       /* Global attributes. */
366 +       RT305X_ESW_ATTR_ENABLE_VLAN,
367 +       RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
368 +       RT305X_ESW_ATTR_BC_STATUS,
369 +       RT305X_ESW_ATTR_LED_FREQ,
370 +       /* Port attributes. */
371 +       RT305X_ESW_ATTR_PORT_DISABLE,
372 +       RT305X_ESW_ATTR_PORT_DOUBLETAG,
373 +       RT305X_ESW_ATTR_PORT_UNTAG,
374 +       RT305X_ESW_ATTR_PORT_LED,
375 +       RT305X_ESW_ATTR_PORT_LAN,
376 +       RT305X_ESW_ATTR_PORT_RECV_BAD,
377 +       RT305X_ESW_ATTR_PORT_RECV_GOOD,
378 +       RT5350_ESW_ATTR_PORT_TR_BAD,
379 +       RT5350_ESW_ATTR_PORT_TR_GOOD,
380 +};
381 +
382 +struct esw_port {
383 +       bool    disable;
384 +       bool    doubletag;
385 +       bool    untag;
386 +       u8      led;
387 +       u16     pvid;
388 +};
389 +
390 +struct esw_vlan {
391 +       u8      ports;
392 +       u16     vid;
393 +};
394 +
395 +struct rt305x_esw {
396 +       struct device           *dev;
397 +       void __iomem            *base;
398 +       int                     irq;
399 +       const struct rt305x_esw_platform_data *pdata;
400 +       /* Protects against concurrent register rmw operations. */
401 +       spinlock_t              reg_rw_lock;
402 +
403 +       unsigned char           port_map;
404 +       unsigned int            reg_initval_fct2;
405 +       unsigned int            reg_initval_fpa2;
406 +       unsigned int            reg_led_polarity;
407 +
408 +
409 +       struct switch_dev       swdev;
410 +       bool                    global_vlan_enable;
411 +       bool                    alt_vlan_disable;
412 +       int                     bc_storm_protect;
413 +       int                     led_frequency;
414 +       struct esw_vlan vlans[RT305X_ESW_NUM_VLANS];
415 +       struct esw_port ports[RT305X_ESW_NUM_PORTS];
416 +
417 +};
418 +
419 +static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg)
420 +{
421 +       __raw_writel(val, esw->base + reg);
422 +}
423 +
424 +static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg)
425 +{
426 +       return __raw_readl(esw->base + reg);
427 +}
428 +
429 +static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
430 +                  unsigned long val)
431 +{
432 +       unsigned long t;
433 +
434 +       t = __raw_readl(esw->base + reg) & ~mask;
435 +       __raw_writel(t | val, esw->base + reg);
436 +}
437 +
438 +static void esw_rmw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
439 +              unsigned long val)
440 +{
441 +       unsigned long flags;
442 +
443 +       spin_lock_irqsave(&esw->reg_rw_lock, flags);
444 +       esw_rmw_raw(esw, reg, mask, val);
445 +       spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
446 +}
447 +
448 +static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register,
449 +                u32 write_data)
450 +{
451 +       unsigned long t_start = jiffies;
452 +       int ret = 0;
453 +
454 +       while (1) {
455 +               if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) &
456 +                     RT305X_ESW_PCR1_WT_DONE))
457 +                       break;
458 +               if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
459 +                       ret = 1;
460 +                       goto out;
461 +               }
462 +       }
463 +
464 +       write_data &= 0xffff;
465 +       esw_w32(esw,
466 +                     (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
467 +                     (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
468 +                     (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
469 +                     RT305X_ESW_REG_PCR0);
470 +
471 +       t_start = jiffies;
472 +       while (1) {
473 +               if (esw_r32(esw, RT305X_ESW_REG_PCR1) &
474 +                   RT305X_ESW_PCR1_WT_DONE)
475 +                       break;
476 +
477 +               if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
478 +                       ret = 1;
479 +                       break;
480 +               }
481 +       }
482 +out:
483 +       if (ret)
484 +               printk(KERN_ERR "ramips_eth: MDIO timeout\n");
485 +       return ret;
486 +}
487 +
488 +static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan)
489 +{
490 +       unsigned s;
491 +       unsigned val;
492 +
493 +       s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
494 +       val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2));
495 +       val = (val >> s) & RT305X_ESW_VLANI_VID_M;
496 +
497 +       return val;
498 +}
499 +
500 +static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
501 +{
502 +       unsigned s;
503 +
504 +       s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
505 +       esw_rmw(esw,
506 +                      RT305X_ESW_REG_VLANI(vlan / 2),
507 +                      RT305X_ESW_VLANI_VID_M << s,
508 +                      (vid & RT305X_ESW_VLANI_VID_M) << s);
509 +}
510 +
511 +static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port)
512 +{
513 +       unsigned s, val;
514 +
515 +       s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
516 +       val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2));
517 +       return (val >> s) & RT305X_ESW_PVIDC_PVID_M;
518 +}
519 +
520 +static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
521 +{
522 +       unsigned s;
523 +
524 +       s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
525 +       esw_rmw(esw,
526 +                      RT305X_ESW_REG_PVIDC(port / 2),
527 +                      RT305X_ESW_PVIDC_PVID_M << s,
528 +                      (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
529 +}
530 +
531 +static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan)
532 +{
533 +       unsigned s, val;
534 +
535 +       s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
536 +       val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4));
537 +       val = (val >> s) & RT305X_ESW_VMSC_MSC_M;
538 +
539 +       return val;
540 +}
541 +
542 +static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
543 +{
544 +       unsigned s;
545 +
546 +       s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
547 +       esw_rmw(esw,
548 +                      RT305X_ESW_REG_VMSC(vlan / 4),
549 +                      RT305X_ESW_VMSC_MSC_M << s,
550 +                      (msc & RT305X_ESW_VMSC_MSC_M) << s);
551 +}
552 +
553 +static unsigned esw_get_port_disable(struct rt305x_esw *esw)
554 +{
555 +       unsigned reg;
556 +       reg = esw_r32(esw, RT305X_ESW_REG_POC0);
557 +       return (reg >> RT305X_ESW_POC0_DIS_PORT_S) &
558 +              RT305X_ESW_POC0_DIS_PORT_M;
559 +}
560 +
561 +static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask)
562 +{
563 +       unsigned old_mask;
564 +       unsigned enable_mask;
565 +       unsigned changed;
566 +       int i;
567 +
568 +       old_mask = esw_get_port_disable(esw);
569 +       changed = old_mask ^ disable_mask;
570 +       enable_mask = old_mask & disable_mask;
571 +
572 +       /* enable before writing to MII */
573 +       esw_rmw(esw, RT305X_ESW_REG_POC0,
574 +                      (RT305X_ESW_POC0_DIS_PORT_M <<
575 +                       RT305X_ESW_POC0_DIS_PORT_S),
576 +                      enable_mask << RT305X_ESW_POC0_DIS_PORT_S);
577 +
578 +       for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) {
579 +               if (!(changed & (1 << i)))
580 +                       continue;
581 +               if (disable_mask & (1 << i)) {
582 +                       /* disable */
583 +                       rt305x_mii_write(esw, i, MII_BMCR,
584 +                                        BMCR_PDOWN);
585 +               } else {
586 +                       /* enable */
587 +                       rt305x_mii_write(esw, i, MII_BMCR,
588 +                                        BMCR_FULLDPLX |
589 +                                        BMCR_ANENABLE |
590 +                                        BMCR_ANRESTART |
591 +                                        BMCR_SPEED100);
592 +               }
593 +       }
594 +
595 +       /* disable after writing to MII */
596 +       esw_rmw(esw, RT305X_ESW_REG_POC0,
597 +                      (RT305X_ESW_POC0_DIS_PORT_M <<
598 +                       RT305X_ESW_POC0_DIS_PORT_S),
599 +                      disable_mask << RT305X_ESW_POC0_DIS_PORT_S);
600 +}
601 +
602 +static void esw_set_gsc(struct rt305x_esw *esw)
603 +{
604 +       esw_rmw(esw, RT305X_ESW_REG_SGC,
605 +               RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT,
606 +               esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT);
607 +       esw_rmw(esw, RT305X_ESW_REG_SGC,
608 +               RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT,
609 +               esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT);
610 +}
611 +
612 +static int esw_apply_config(struct switch_dev *dev);
613 +
614 +static void esw_hw_init(struct rt305x_esw *esw)
615 +{
616 +       int i;
617 +       u8 port_disable = 0;
618 +       u8 port_map = RT305X_ESW_PMAP_LLLLLL;
619 +
620 +       /* vodoo from original driver */
621 +       esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
622 +       esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2);
623 +       /* Port priority 1 for all ports, vlan enabled. */
624 +       esw_w32(esw, 0x00005555 |
625 +                     (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S),
626 +                     RT305X_ESW_REG_PFC1);
627 +
628 +       /* Enable Back Pressure, and Flow Control */
629 +       esw_w32(esw,
630 +                     ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) |
631 +                      (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)),
632 +                     RT305X_ESW_REG_POC0);
633 +
634 +       /* Enable Aging, and VLAN TAG removal */
635 +       esw_w32(esw,
636 +                     ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) |
637 +                      (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
638 +                     RT305X_ESW_REG_POC2);
639 +
640 +       if (esw->reg_initval_fct2)
641 +               esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2);
642 +       else
643 +               esw_w32(esw, esw->pdata->reg_initval_fct2, RT305X_ESW_REG_FCT2);
644 +
645 +       /*
646 +        * 300s aging timer, max packet len 1536, broadcast storm prevention
647 +        * disabled, disable collision abort, mac xor48 hash, 10 packet back
648 +        * pressure jam, GMII disable was_transmit, back pressure disabled,
649 +        * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all
650 +        * ports.
651 +        */
652 +       esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC);
653 +
654 +       /* Setup SoC Port control register */
655 +       esw_w32(esw,
656 +                     (RT305X_ESW_SOCPC_CRC_PADDING |
657 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
658 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
659 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
660 +                     RT305X_ESW_REG_SOCPC);
661 +
662 +       if (esw->reg_initval_fpa2)
663 +               esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
664 +       else
665 +               esw_w32(esw, esw->pdata->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
666 +       esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA);
667 +
668 +       /* Force Link/Activity on ports */
669 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED);
670 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED);
671 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED);
672 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED);
673 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED);
674 +
675 +       /* Copy disabled port configuration from bootloader setup */
676 +       port_disable = esw_get_port_disable(esw);
677 +       for (i = 0; i < 6; i++)
678 +               esw->ports[i].disable = (port_disable & (1 << i)) != 0;
679 +
680 +       if (soc_is_rt3352()) {
681 +               /* reset EPHY */
682 +               u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
683 +               rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
684 +               rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
685 +
686 +               rt305x_mii_write(esw, 0, 31, 0x8000);
687 +               for (i = 0; i < 5; i++) {
688 +                       if (esw->ports[i].disable) {
689 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
690 +                       } else {
691 +                               rt305x_mii_write(esw, i, MII_BMCR,
692 +                                        BMCR_FULLDPLX |
693 +                                        BMCR_ANENABLE |
694 +                                        BMCR_SPEED100);
695 +                       }
696 +                       /* TX10 waveform coefficient LSB=0 disable PHY */
697 +                       rt305x_mii_write(esw, i, 26, 0x1601);
698 +                       /* TX100/TX10 AD/DA current bias */
699 +                       rt305x_mii_write(esw, i, 29, 0x7016);
700 +                       /* TX100 slew rate control */
701 +                       rt305x_mii_write(esw, i, 30, 0x0038);
702 +               }
703 +
704 +               /* select global register */
705 +               rt305x_mii_write(esw, 0, 31, 0x0);
706 +               /* enlarge agcsel threshold 3 and threshold 2 */
707 +               rt305x_mii_write(esw, 0, 1, 0x4a40);
708 +               /* enlarge agcsel threshold 5 and threshold 4 */
709 +               rt305x_mii_write(esw, 0, 2, 0x6254);
710 +               /* enlarge agcsel threshold  */
711 +               rt305x_mii_write(esw, 0, 3, 0xa17f);
712 +               rt305x_mii_write(esw, 0,12, 0x7eaa);
713 +               /* longer TP_IDL tail length */
714 +               rt305x_mii_write(esw, 0, 14, 0x65);
715 +               /* increased squelch pulse count threshold. */
716 +               rt305x_mii_write(esw, 0, 16, 0x0684);
717 +               /* set TX10 signal amplitude threshold to minimum */
718 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
719 +               /* set squelch amplitude to higher threshold */
720 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
721 +               /* tune TP_IDL tail and head waveform, enable power down slew rate control */
722 +               rt305x_mii_write(esw, 0, 22, 0x253f);
723 +               /* set PLL/Receive bias current are calibrated */
724 +               rt305x_mii_write(esw, 0, 27, 0x2fda);
725 +               /* change PLL/Receive bias current to internal(RT3350) */
726 +               rt305x_mii_write(esw, 0, 28, 0xc410);
727 +               /* change PLL bias current to internal(RT3052_MP3) */
728 +               rt305x_mii_write(esw, 0, 29, 0x598b);
729 +               /* select local register */
730 +               rt305x_mii_write(esw, 0, 31, 0x8000);
731 +       } else if (soc_is_rt5350()) {
732 +               /* reset EPHY */
733 +               u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
734 +               rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
735 +               rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
736 +
737 +               /* set the led polarity */
738 +               esw_w32(esw, esw->reg_led_polarity & 0x1F, RT5350_EWS_REG_LED_POLARITY);
739 +
740 +               /* local registers */
741 +               rt305x_mii_write(esw, 0, 31, 0x8000);
742 +               for (i = 0; i < 5; i++) {
743 +                       if (esw->ports[i].disable) {
744 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
745 +                       } else {
746 +                               rt305x_mii_write(esw, i, MII_BMCR,
747 +                                        BMCR_FULLDPLX |
748 +                                        BMCR_ANENABLE |
749 +                                        BMCR_SPEED100);
750 +                       }
751 +                       /* TX10 waveform coefficient LSB=0 disable PHY */
752 +                       rt305x_mii_write(esw, i, 26, 0x1601);
753 +                       /* TX100/TX10 AD/DA current bias */
754 +                       rt305x_mii_write(esw, i, 29, 0x7015);
755 +                       /* TX100 slew rate control */
756 +                       rt305x_mii_write(esw, i, 30, 0x0038);
757 +               }
758 +
759 +               /* global registers */
760 +               rt305x_mii_write(esw, 0, 31, 0x0);
761 +               /* enlarge agcsel threshold 3 and threshold 2 */
762 +               rt305x_mii_write(esw, 0, 1, 0x4a40);
763 +               /* enlarge agcsel threshold 5 and threshold 4 */
764 +               rt305x_mii_write(esw, 0, 2, 0x6254);
765 +               /* enlarge agcsel threshold 6 */
766 +               rt305x_mii_write(esw, 0, 3, 0xa17f);
767 +               rt305x_mii_write(esw, 0, 12, 0x7eaa);
768 +               /* longer TP_IDL tail length */
769 +               rt305x_mii_write(esw, 0, 14, 0x65);
770 +               /* increased squelch pulse count threshold. */
771 +               rt305x_mii_write(esw, 0, 16, 0x0684);
772 +               /* set TX10 signal amplitude threshold to minimum */
773 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
774 +               /* set squelch amplitude to higher threshold */
775 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
776 +               /* tune TP_IDL tail and head waveform, enable power down slew rate control */
777 +               rt305x_mii_write(esw, 0, 22, 0x253f);
778 +               /* set PLL/Receive bias current are calibrated */
779 +               rt305x_mii_write(esw, 0, 27, 0x2fda);
780 +               /* change PLL/Receive bias current to internal(RT3350) */
781 +               rt305x_mii_write(esw, 0, 28, 0xc410);
782 +               /* change PLL bias current to internal(RT3052_MP3) */
783 +               rt305x_mii_write(esw, 0, 29, 0x598b);
784 +               /* select local register */
785 +               rt305x_mii_write(esw, 0, 31, 0x8000);
786 +       } else {
787 +               rt305x_mii_write(esw, 0, 31, 0x8000);
788 +               for (i = 0; i < 5; i++) {
789 +                       if (esw->ports[i].disable) {
790 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
791 +                       } else {
792 +                               rt305x_mii_write(esw, i, MII_BMCR,
793 +                                        BMCR_FULLDPLX |
794 +                                        BMCR_ANENABLE |
795 +                                        BMCR_SPEED100);
796 +                       }
797 +                       /* TX10 waveform coefficient */
798 +                       rt305x_mii_write(esw, i, 26, 0x1601);
799 +                       /* TX100/TX10 AD/DA current bias */
800 +                       rt305x_mii_write(esw, i, 29, 0x7058);
801 +                       /* TX100 slew rate control */
802 +                       rt305x_mii_write(esw, i, 30, 0x0018);
803 +               }
804 +
805 +               /* PHY IOT */
806 +               /* select global register */
807 +               rt305x_mii_write(esw, 0, 31, 0x0);
808 +               /* tune TP_IDL tail and head waveform */
809 +               rt305x_mii_write(esw, 0, 22, 0x052f);
810 +               /* set TX10 signal amplitude threshold to minimum */
811 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
812 +               /* set squelch amplitude to higher threshold */
813 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
814 +               /* longer TP_IDL tail length */
815 +               rt305x_mii_write(esw, 0, 14, 0x65);
816 +               /* select local register */
817 +               rt305x_mii_write(esw, 0, 31, 0x8000);
818 +       }
819 +
820 +       if (esw->port_map)
821 +               port_map = esw->port_map;
822 +       else
823 +               port_map = RT305X_ESW_PMAP_LLLLLL;
824 +
825 +       /*
826 +        * Unused HW feature, but still nice to be consistent here...
827 +        * This is also exported to userspace ('lan' attribute) so it's
828 +        * conveniently usable to decide which ports go into the wan vlan by
829 +        * default.
830 +        */
831 +       esw_rmw(esw, RT305X_ESW_REG_SGC2,
832 +                      RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S,
833 +                      port_map << RT305X_ESW_SGC2_LAN_PMAP_S);
834 +
835 +       /* make the switch leds blink */
836 +       for (i = 0; i < RT305X_ESW_NUM_LEDS; i++)
837 +               esw->ports[i].led = 0x05;
838 +
839 +       /* Apply the empty config. */
840 +       esw_apply_config(&esw->swdev);
841 +
842 +       /* Only unmask the port change interrupt */
843 +       esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
844 +}
845 +
846 +static irqreturn_t esw_interrupt(int irq, void *_esw)
847 +{
848 +       struct rt305x_esw *esw = (struct rt305x_esw *) _esw;
849 +       u32 status;
850 +
851 +       status = esw_r32(esw, RT305X_ESW_REG_ISR);
852 +       if (status & RT305X_ESW_PORT_ST_CHG) {
853 +               u32 link = esw_r32(esw, RT305X_ESW_REG_POA);
854 +               link >>= RT305X_ESW_POA_LINK_SHIFT;
855 +               link &= RT305X_ESW_POA_LINK_MASK;
856 +               dev_info(esw->dev, "link changed 0x%02X\n", link);
857 +       }
858 +       esw_w32(esw, status, RT305X_ESW_REG_ISR);
859 +
860 +       return IRQ_HANDLED;
861 +}
862 +
863 +static int esw_apply_config(struct switch_dev *dev)
864 +{
865 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
866 +       int i;
867 +       u8 disable = 0;
868 +       u8 doubletag = 0;
869 +       u8 en_vlan = 0;
870 +       u8 untag = 0;
871 +
872 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
873 +               u32 vid, vmsc;
874 +               if (esw->global_vlan_enable) {
875 +                       vid = esw->vlans[i].vid;
876 +                       vmsc = esw->vlans[i].ports;
877 +               } else {
878 +                       vid = RT305X_ESW_VLAN_NONE;
879 +                       vmsc = RT305X_ESW_PORTS_NONE;
880 +               }
881 +               esw_set_vlan_id(esw, i, vid);
882 +               esw_set_vmsc(esw, i, vmsc);
883 +       }
884 +
885 +       for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
886 +               u32 pvid;
887 +               disable |= esw->ports[i].disable << i;
888 +               if (esw->global_vlan_enable) {
889 +                       doubletag |= esw->ports[i].doubletag << i;
890 +                       en_vlan   |= 1                       << i;
891 +                       untag     |= esw->ports[i].untag     << i;
892 +                       pvid       = esw->ports[i].pvid;
893 +               } else {
894 +                       int x = esw->alt_vlan_disable ? 0 : 1;
895 +                       doubletag |= x << i;
896 +                       en_vlan   |= x << i;
897 +                       untag     |= x << i;
898 +                       pvid       = 0;
899 +               }
900 +               esw_set_pvid(esw, i, pvid);
901 +               if (i < RT305X_ESW_NUM_LEDS)
902 +                       esw_w32(esw, esw->ports[i].led,
903 +                                     RT305X_ESW_REG_P0LED + 4*i);
904 +       }
905 +
906 +       esw_set_gsc(esw);
907 +       esw_set_port_disable(esw, disable);
908 +       esw_rmw(esw, RT305X_ESW_REG_SGC2,
909 +                      (RT305X_ESW_SGC2_DOUBLE_TAG_M <<
910 +                       RT305X_ESW_SGC2_DOUBLE_TAG_S),
911 +                      doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S);
912 +       esw_rmw(esw, RT305X_ESW_REG_PFC1,
913 +                      RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S,
914 +                      en_vlan << RT305X_ESW_PFC1_EN_VLAN_S);
915 +       esw_rmw(esw, RT305X_ESW_REG_POC2,
916 +                      RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S,
917 +                      untag << RT305X_ESW_POC2_UNTAG_EN_S);
918 +
919 +       if (!esw->global_vlan_enable) {
920 +               /*
921 +                * Still need to put all ports into vlan 0 or they'll be
922 +                * isolated.
923 +                * NOTE: vlan 0 is special, no vlan tag is prepended
924 +                */
925 +               esw_set_vlan_id(esw, 0, 0);
926 +               esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL);
927 +       }
928 +
929 +       return 0;
930 +}
931 +
932 +static int esw_reset_switch(struct switch_dev *dev)
933 +{
934 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
935 +
936 +       esw->global_vlan_enable = 0;
937 +       memset(esw->ports, 0, sizeof(esw->ports));
938 +       memset(esw->vlans, 0, sizeof(esw->vlans));
939 +       esw_hw_init(esw);
940 +
941 +       return 0;
942 +}
943 +
944 +static int esw_get_vlan_enable(struct switch_dev *dev,
945 +                          const struct switch_attr *attr,
946 +                          struct switch_val *val)
947 +{
948 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
949 +
950 +       val->value.i = esw->global_vlan_enable;
951 +
952 +       return 0;
953 +}
954 +
955 +static int esw_set_vlan_enable(struct switch_dev *dev,
956 +                          const struct switch_attr *attr,
957 +                          struct switch_val *val)
958 +{
959 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
960 +
961 +       esw->global_vlan_enable = val->value.i != 0;
962 +
963 +       return 0;
964 +}
965 +
966 +static int esw_get_alt_vlan_disable(struct switch_dev *dev,
967 +                               const struct switch_attr *attr,
968 +                               struct switch_val *val)
969 +{
970 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
971 +
972 +       val->value.i = esw->alt_vlan_disable;
973 +
974 +       return 0;
975 +}
976 +
977 +static int esw_set_alt_vlan_disable(struct switch_dev *dev,
978 +                               const struct switch_attr *attr,
979 +                               struct switch_val *val)
980 +{
981 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
982 +
983 +       esw->alt_vlan_disable = val->value.i != 0;
984 +
985 +       return 0;
986 +}
987 +
988 +static int
989 +rt305x_esw_set_bc_status(struct switch_dev *dev,
990 +                       const struct switch_attr *attr,
991 +                       struct switch_val *val)
992 +{
993 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
994 +
995 +       esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK;
996 +
997 +       return 0;
998 +}
999 +
1000 +static int
1001 +rt305x_esw_get_bc_status(struct switch_dev *dev,
1002 +                       const struct switch_attr *attr,
1003 +                       struct switch_val *val)
1004 +{
1005 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1006 +
1007 +       val->value.i = esw->bc_storm_protect;
1008 +
1009 +       return 0;
1010 +}
1011 +
1012 +static int
1013 +rt305x_esw_set_led_freq(struct switch_dev *dev,
1014 +                       const struct switch_attr *attr,
1015 +                       struct switch_val *val)
1016 +{
1017 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1018 +
1019 +       esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK;
1020 +
1021 +       return 0;
1022 +}
1023 +
1024 +static int
1025 +rt305x_esw_get_led_freq(struct switch_dev *dev,
1026 +                       const struct switch_attr *attr,
1027 +                       struct switch_val *val)
1028 +{
1029 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1030 +
1031 +       val->value.i = esw->led_frequency;
1032 +
1033 +       return 0;
1034 +}
1035 +
1036 +static int esw_get_port_link(struct switch_dev *dev,
1037 +                        int port,
1038 +                        struct switch_port_link *link)
1039 +{
1040 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1041 +       u32 speed, poa;
1042 +
1043 +       if (port < 0 || port >= RT305X_ESW_NUM_PORTS)
1044 +               return -EINVAL;
1045 +
1046 +       poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port;
1047 +
1048 +       link->link = (poa >> RT305X_ESW_LINK_S) & 1;
1049 +       link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1;
1050 +       if (port < RT305X_ESW_NUM_LEDS) {
1051 +               speed = (poa >> RT305X_ESW_SPD_S) & 1;
1052 +       } else {
1053 +               if (port == RT305X_ESW_NUM_PORTS - 1)
1054 +                       poa >>= 1;
1055 +               speed = (poa >> RT305X_ESW_SPD_S) & 3;
1056 +       }
1057 +       switch (speed) {
1058 +       case 0:
1059 +               link->speed = SWITCH_PORT_SPEED_10;
1060 +               break;
1061 +       case 1:
1062 +               link->speed = SWITCH_PORT_SPEED_100;
1063 +               break;
1064 +       case 2:
1065 +       case 3: /* forced gige speed can be 2 or 3 */
1066 +               link->speed = SWITCH_PORT_SPEED_1000;
1067 +               break;
1068 +       default:
1069 +               link->speed = SWITCH_PORT_SPEED_UNKNOWN;
1070 +               break;
1071 +       }
1072 +
1073 +       return 0;
1074 +}
1075 +
1076 +static int esw_get_port_bool(struct switch_dev *dev,
1077 +                        const struct switch_attr *attr,
1078 +                        struct switch_val *val)
1079 +{
1080 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1081 +       int idx = val->port_vlan;
1082 +       u32 x, reg, shift;
1083 +
1084 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS)
1085 +               return -EINVAL;
1086 +
1087 +       switch (attr->id) {
1088 +       case RT305X_ESW_ATTR_PORT_DISABLE:
1089 +               reg = RT305X_ESW_REG_POC0;
1090 +               shift = RT305X_ESW_POC0_DIS_PORT_S;
1091 +               break;
1092 +       case RT305X_ESW_ATTR_PORT_DOUBLETAG:
1093 +               reg = RT305X_ESW_REG_SGC2;
1094 +               shift = RT305X_ESW_SGC2_DOUBLE_TAG_S;
1095 +               break;
1096 +       case RT305X_ESW_ATTR_PORT_UNTAG:
1097 +               reg = RT305X_ESW_REG_POC2;
1098 +               shift = RT305X_ESW_POC2_UNTAG_EN_S;
1099 +               break;
1100 +       case RT305X_ESW_ATTR_PORT_LAN:
1101 +               reg = RT305X_ESW_REG_SGC2;
1102 +               shift = RT305X_ESW_SGC2_LAN_PMAP_S;
1103 +               if (idx >= RT305X_ESW_NUM_LANWAN)
1104 +                       return -EINVAL;
1105 +               break;
1106 +       default:
1107 +               return -EINVAL;
1108 +       }
1109 +
1110 +       x = esw_r32(esw, reg);
1111 +       val->value.i = (x >> (idx + shift)) & 1;
1112 +
1113 +       return 0;
1114 +}
1115 +
1116 +static int esw_set_port_bool(struct switch_dev *dev,
1117 +                        const struct switch_attr *attr,
1118 +                        struct switch_val *val)
1119 +{
1120 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1121 +       int idx = val->port_vlan;
1122 +
1123 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
1124 +           val->value.i < 0 || val->value.i > 1)
1125 +               return -EINVAL;
1126 +
1127 +       switch (attr->id) {
1128 +       case RT305X_ESW_ATTR_PORT_DISABLE:
1129 +               esw->ports[idx].disable = val->value.i;
1130 +               break;
1131 +       case RT305X_ESW_ATTR_PORT_DOUBLETAG:
1132 +               esw->ports[idx].doubletag = val->value.i;
1133 +               break;
1134 +       case RT305X_ESW_ATTR_PORT_UNTAG:
1135 +               esw->ports[idx].untag = val->value.i;
1136 +               break;
1137 +       default:
1138 +               return -EINVAL;
1139 +       }
1140 +
1141 +       return 0;
1142 +}
1143 +
1144 +static int esw_get_port_recv_badgood(struct switch_dev *dev,
1145 +                                const struct switch_attr *attr,
1146 +                                struct switch_val *val)
1147 +{
1148 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1149 +       int idx = val->port_vlan;
1150 +       int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16;
1151 +       u32 reg;
1152 +
1153 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
1154 +               return -EINVAL;
1155 +       reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx));
1156 +       val->value.i = (reg >> shift) & 0xffff;
1157 +
1158 +       return 0;
1159 +}
1160 +
1161 +static int
1162 +esw_get_port_tr_badgood(struct switch_dev *dev,
1163 +                                const struct switch_attr *attr,
1164 +                                struct switch_val *val)
1165 +{
1166 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1167 +
1168 +       int idx = val->port_vlan;
1169 +       int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
1170 +       u32 reg;
1171 +
1172 +       if (!soc_is_rt5350())
1173 +               return -EINVAL;
1174 +
1175 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
1176 +               return -EINVAL;
1177 +
1178 +       reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx));
1179 +       val->value.i = (reg >> shift) & 0xffff;
1180 +
1181 +       return 0;
1182 +}
1183 +
1184 +static int esw_get_port_led(struct switch_dev *dev,
1185 +                       const struct switch_attr *attr,
1186 +                       struct switch_val *val)
1187 +{
1188 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1189 +       int idx = val->port_vlan;
1190 +
1191 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
1192 +           idx >= RT305X_ESW_NUM_LEDS)
1193 +               return -EINVAL;
1194 +
1195 +       val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx);
1196 +
1197 +       return 0;
1198 +}
1199 +
1200 +static int esw_set_port_led(struct switch_dev *dev,
1201 +                       const struct switch_attr *attr,
1202 +                       struct switch_val *val)
1203 +{
1204 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1205 +       int idx = val->port_vlan;
1206 +
1207 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS)
1208 +               return -EINVAL;
1209 +
1210 +       esw->ports[idx].led = val->value.i;
1211 +
1212 +       return 0;
1213 +}
1214 +
1215 +static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1216 +{
1217 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1218 +
1219 +       if (port >= RT305X_ESW_NUM_PORTS)
1220 +               return -EINVAL;
1221 +
1222 +       *val = esw_get_pvid(esw, port);
1223 +
1224 +       return 0;
1225 +}
1226 +
1227 +static int esw_set_port_pvid(struct switch_dev *dev, int port, int val)
1228 +{
1229 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1230 +
1231 +       if (port >= RT305X_ESW_NUM_PORTS)
1232 +               return -EINVAL;
1233 +
1234 +       esw->ports[port].pvid = val;
1235 +
1236 +       return 0;
1237 +}
1238 +
1239 +static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
1240 +{
1241 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1242 +       u32 vmsc, poc2;
1243 +       int vlan_idx = -1;
1244 +       int i;
1245 +
1246 +       val->len = 0;
1247 +
1248 +       if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS)
1249 +               return -EINVAL;
1250 +
1251 +       /* valid vlan? */
1252 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
1253 +               if (esw_get_vlan_id(esw, i) == val->port_vlan &&
1254 +                   esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) {
1255 +                       vlan_idx = i;
1256 +                       break;
1257 +               }
1258 +       }
1259 +
1260 +       if (vlan_idx == -1)
1261 +               return -EINVAL;
1262 +
1263 +       vmsc = esw_get_vmsc(esw, vlan_idx);
1264 +       poc2 = esw_r32(esw, RT305X_ESW_REG_POC2);
1265 +
1266 +       for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
1267 +               struct switch_port *p;
1268 +               int port_mask = 1 << i;
1269 +
1270 +               if (!(vmsc & port_mask))
1271 +                       continue;
1272 +
1273 +               p = &val->value.ports[val->len++];
1274 +               p->id = i;
1275 +               if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S))
1276 +                       p->flags = 0;
1277 +               else
1278 +                       p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
1279 +       }
1280 +
1281 +       return 0;
1282 +}
1283 +
1284 +static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
1285 +{
1286 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1287 +       int ports;
1288 +       int vlan_idx = -1;
1289 +       int i;
1290 +
1291 +       if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS ||
1292 +           val->len > RT305X_ESW_NUM_PORTS)
1293 +               return -EINVAL;
1294 +
1295 +       /* one of the already defined vlans? */
1296 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
1297 +               if (esw->vlans[i].vid == val->port_vlan &&
1298 +                   esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) {
1299 +                       vlan_idx = i;
1300 +                       break;
1301 +               }
1302 +       }
1303 +
1304 +       /* select a free slot */
1305 +       for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) {
1306 +               if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE)
1307 +                       vlan_idx = i;
1308 +       }
1309 +
1310 +       /* bail if all slots are in use */
1311 +       if (vlan_idx == -1)
1312 +               return -EINVAL;
1313 +
1314 +       ports = RT305X_ESW_PORTS_NONE;
1315 +       for (i = 0; i < val->len; i++) {
1316 +               struct switch_port *p = &val->value.ports[i];
1317 +               int port_mask = 1 << p->id;
1318 +               bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
1319 +
1320 +               if (p->id >= RT305X_ESW_NUM_PORTS)
1321 +                       return -EINVAL;
1322 +
1323 +               ports |= port_mask;
1324 +               esw->ports[p->id].untag = untagged;
1325 +       }
1326 +       esw->vlans[vlan_idx].ports = ports;
1327 +       if (ports == RT305X_ESW_PORTS_NONE)
1328 +               esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE;
1329 +       else
1330 +               esw->vlans[vlan_idx].vid = val->port_vlan;
1331 +
1332 +       return 0;
1333 +}
1334 +
1335 +static const struct switch_attr esw_global[] = {
1336 +       {
1337 +               .type = SWITCH_TYPE_INT,
1338 +               .name = "enable_vlan",
1339 +               .description = "VLAN mode (1:enabled)",
1340 +               .max = 1,
1341 +               .id = RT305X_ESW_ATTR_ENABLE_VLAN,
1342 +               .get = esw_get_vlan_enable,
1343 +               .set = esw_set_vlan_enable,
1344 +       },
1345 +       {
1346 +               .type = SWITCH_TYPE_INT,
1347 +               .name = "alternate_vlan_disable",
1348 +               .description = "Use en_vlan instead of doubletag to disable"
1349 +                               " VLAN mode",
1350 +               .max = 1,
1351 +               .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
1352 +               .get = esw_get_alt_vlan_disable,
1353 +               .set = esw_set_alt_vlan_disable,
1354 +       },
1355 +       {
1356 +               .type = SWITCH_TYPE_INT,
1357 +               .name = "bc_storm_protect",
1358 +               .description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)",
1359 +               .max = 3,
1360 +               .id = RT305X_ESW_ATTR_BC_STATUS,
1361 +               .get = rt305x_esw_get_bc_status,
1362 +               .set = rt305x_esw_set_bc_status,
1363 +       },
1364 +       {
1365 +               .type = SWITCH_TYPE_INT,
1366 +               .name = "led_frequency",
1367 +               .description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)",
1368 +               .max = 3,
1369 +               .id = RT305X_ESW_ATTR_LED_FREQ,
1370 +               .get = rt305x_esw_get_led_freq,
1371 +               .set = rt305x_esw_set_led_freq,
1372 +       }
1373 +};
1374 +
1375 +static const struct switch_attr esw_port[] = {
1376 +       {
1377 +               .type = SWITCH_TYPE_INT,
1378 +               .name = "disable",
1379 +               .description = "Port state (1:disabled)",
1380 +               .max = 1,
1381 +               .id = RT305X_ESW_ATTR_PORT_DISABLE,
1382 +               .get = esw_get_port_bool,
1383 +               .set = esw_set_port_bool,
1384 +       },
1385 +       {
1386 +               .type = SWITCH_TYPE_INT,
1387 +               .name = "doubletag",
1388 +               .description = "Double tagging for incoming vlan packets "
1389 +                               "(1:enabled)",
1390 +               .max = 1,
1391 +               .id = RT305X_ESW_ATTR_PORT_DOUBLETAG,
1392 +               .get = esw_get_port_bool,
1393 +               .set = esw_set_port_bool,
1394 +       },
1395 +       {
1396 +               .type = SWITCH_TYPE_INT,
1397 +               .name = "untag",
1398 +               .description = "Untag (1:strip outgoing vlan tag)",
1399 +               .max = 1,
1400 +               .id = RT305X_ESW_ATTR_PORT_UNTAG,
1401 +               .get = esw_get_port_bool,
1402 +               .set = esw_set_port_bool,
1403 +       },
1404 +       {
1405 +               .type = SWITCH_TYPE_INT,
1406 +               .name = "led",
1407 +               .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity,"
1408 +                               " 4:collision, 5:linkact, 6:duplcoll, 7:10mact,"
1409 +                               " 8:100mact, 10:blink, 11:off, 12:on)",
1410 +               .max = 15,
1411 +               .id = RT305X_ESW_ATTR_PORT_LED,
1412 +               .get = esw_get_port_led,
1413 +               .set = esw_set_port_led,
1414 +       },
1415 +       {
1416 +               .type = SWITCH_TYPE_INT,
1417 +               .name = "lan",
1418 +               .description = "HW port group (0:wan, 1:lan)",
1419 +               .max = 1,
1420 +               .id = RT305X_ESW_ATTR_PORT_LAN,
1421 +               .get = esw_get_port_bool,
1422 +       },
1423 +       {
1424 +               .type = SWITCH_TYPE_INT,
1425 +               .name = "recv_bad",
1426 +               .description = "Receive bad packet counter",
1427 +               .id = RT305X_ESW_ATTR_PORT_RECV_BAD,
1428 +               .get = esw_get_port_recv_badgood,
1429 +       },
1430 +       {
1431 +               .type = SWITCH_TYPE_INT,
1432 +               .name = "recv_good",
1433 +               .description = "Receive good packet counter",
1434 +               .id = RT305X_ESW_ATTR_PORT_RECV_GOOD,
1435 +               .get = esw_get_port_recv_badgood,
1436 +       },
1437 +       {
1438 +               .type = SWITCH_TYPE_INT,
1439 +               .name = "tr_bad",
1440 +
1441 +               .description = "Transmit bad packet counter. rt5350 only",
1442 +               .id = RT5350_ESW_ATTR_PORT_TR_BAD,
1443 +               .get = esw_get_port_tr_badgood,
1444 +       },
1445 +       {
1446 +               .type = SWITCH_TYPE_INT,
1447 +               .name = "tr_good",
1448 +
1449 +               .description = "Transmit good packet counter. rt5350 only",
1450 +               .id = RT5350_ESW_ATTR_PORT_TR_GOOD,
1451 +               .get = esw_get_port_tr_badgood,
1452 +       },
1453 +};
1454 +
1455 +static const struct switch_attr esw_vlan[] = {
1456 +};
1457 +
1458 +static const struct switch_dev_ops esw_ops = {
1459 +       .attr_global = {
1460 +               .attr = esw_global,
1461 +               .n_attr = ARRAY_SIZE(esw_global),
1462 +       },
1463 +       .attr_port = {
1464 +               .attr = esw_port,
1465 +               .n_attr = ARRAY_SIZE(esw_port),
1466 +       },
1467 +       .attr_vlan = {
1468 +               .attr = esw_vlan,
1469 +               .n_attr = ARRAY_SIZE(esw_vlan),
1470 +       },
1471 +       .get_vlan_ports = esw_get_vlan_ports,
1472 +       .set_vlan_ports = esw_set_vlan_ports,
1473 +       .get_port_pvid = esw_get_port_pvid,
1474 +       .set_port_pvid = esw_set_port_pvid,
1475 +       .get_port_link = esw_get_port_link,
1476 +       .apply_config = esw_apply_config,
1477 +       .reset_switch = esw_reset_switch,
1478 +};
1479 +
1480 +static struct rt305x_esw_platform_data rt3050_esw_data = {
1481 +       /* All ports are LAN ports. */
1482 +       .vlan_config            = RT305X_ESW_VLAN_CONFIG_NONE,
1483 +       .reg_initval_fct2       = 0x00d6500c,
1484 +       /*
1485 +        * ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
1486 +        * turbo mii off, rgmi 3.3v off
1487 +        * port5: disabled
1488 +        * port6: enabled, gige, full-duplex, rx/tx-flow-control
1489 +        */
1490 +       .reg_initval_fpa2       = 0x3f502b28,
1491 +};
1492 +
1493 +static const struct of_device_id ralink_esw_match[] = {
1494 +       { .compatible = "ralink,rt3050-esw", .data = &rt3050_esw_data },
1495 +       {},
1496 +};
1497 +MODULE_DEVICE_TABLE(of, ralink_esw_match);
1498 +
1499 +static int esw_probe(struct platform_device *pdev)
1500 +{
1501 +       struct device_node *np = pdev->dev.of_node;
1502 +       const struct rt305x_esw_platform_data *pdata;
1503 +       const __be32 *port_map, *reg_init;
1504 +       struct rt305x_esw *esw;
1505 +       struct switch_dev *swdev;
1506 +       struct resource *res, *irq;
1507 +       int err;
1508 +
1509 +       pdata = pdev->dev.platform_data;
1510 +       if (!pdata) {
1511 +               const struct of_device_id *match;
1512 +               match = of_match_device(ralink_esw_match, &pdev->dev);
1513 +               if (match)
1514 +                       pdata = (struct rt305x_esw_platform_data *) match->data;
1515 +       }
1516 +       if (!pdata)
1517 +               return -EINVAL;
1518 +
1519 +       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1520 +       if (!res) {
1521 +               dev_err(&pdev->dev, "no memory resource found\n");
1522 +               return -ENOMEM;
1523 +       }
1524 +
1525 +       irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1526 +       if (!irq) {
1527 +               dev_err(&pdev->dev, "no irq resource found\n");
1528 +               return -ENOMEM;
1529 +       }
1530 +
1531 +       esw = kzalloc(sizeof(struct rt305x_esw), GFP_KERNEL);
1532 +       if (!esw) {
1533 +               dev_err(&pdev->dev, "no memory for private data\n");
1534 +               return -ENOMEM;
1535 +       }
1536 +
1537 +       esw->dev = &pdev->dev;
1538 +       esw->irq = irq->start;
1539 +       esw->base = ioremap(res->start, resource_size(res));
1540 +       if (!esw->base) {
1541 +               dev_err(&pdev->dev, "ioremap failed\n");
1542 +               err = -ENOMEM;
1543 +               goto free_esw;
1544 +       }
1545 +
1546 +       port_map = of_get_property(np, "ralink,portmap", NULL);
1547 +        if (port_map)
1548 +               esw->port_map = be32_to_cpu(*port_map);
1549 +
1550 +       reg_init = of_get_property(np, "ralink,fct2", NULL);
1551 +        if (reg_init)
1552 +               esw->reg_initval_fct2 = be32_to_cpu(*reg_init);
1553 +
1554 +       reg_init = of_get_property(np, "ralink,fpa2", NULL);
1555 +        if (reg_init)
1556 +               esw->reg_initval_fpa2 = be32_to_cpu(*reg_init);
1557 +
1558 +       reg_init = of_get_property(np, "ralink,led_polarity", NULL);
1559 +        if (reg_init)
1560 +               esw->reg_led_polarity = be32_to_cpu(*reg_init);
1561 +
1562 +       swdev = &esw->swdev;
1563 +       swdev->of_node = pdev->dev.of_node;
1564 +       swdev->name = "rt305x-esw";
1565 +       swdev->alias = "rt305x";
1566 +       swdev->cpu_port = RT305X_ESW_PORT6;
1567 +       swdev->ports = RT305X_ESW_NUM_PORTS;
1568 +       swdev->vlans = RT305X_ESW_NUM_VIDS;
1569 +       swdev->ops = &esw_ops;
1570 +
1571 +       err = register_switch(swdev, NULL);
1572 +       if (err < 0) {
1573 +               dev_err(&pdev->dev, "register_switch failed\n");
1574 +               goto unmap_base;
1575 +       }
1576 +
1577 +       platform_set_drvdata(pdev, esw);
1578 +
1579 +       esw->pdata = pdata;
1580 +       spin_lock_init(&esw->reg_rw_lock);
1581 +
1582 +       esw_hw_init(esw);
1583 +
1584 +       esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR);
1585 +       esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
1586 +       request_irq(esw->irq, esw_interrupt, 0, "esw", esw);
1587 +
1588 +       return 0;
1589 +
1590 +unmap_base:
1591 +       iounmap(esw->base);
1592 +free_esw:
1593 +       kfree(esw);
1594 +       return err;
1595 +}
1596 +
1597 +static int esw_remove(struct platform_device *pdev)
1598 +{
1599 +       struct rt305x_esw *esw;
1600 +
1601 +       esw = platform_get_drvdata(pdev);
1602 +       if (esw) {
1603 +               unregister_switch(&esw->swdev);
1604 +               platform_set_drvdata(pdev, NULL);
1605 +               iounmap(esw->base);
1606 +               kfree(esw);
1607 +       }
1608 +
1609 +       return 0;
1610 +}
1611 +
1612 +static struct platform_driver esw_driver = {
1613 +       .probe = esw_probe,
1614 +       .remove = esw_remove,
1615 +       .driver = {
1616 +               .name = "rt305x-esw",
1617 +               .owner = THIS_MODULE,
1618 +               .of_match_table = ralink_esw_match,
1619 +       },
1620 +};
1621 +
1622 +int __init rtesw_init(void)
1623 +{
1624 +       return platform_driver_register(&esw_driver);
1625 +}
1626 +
1627 +void rtesw_exit(void)
1628 +{
1629 +       platform_driver_unregister(&esw_driver);
1630 +}
1631 --- /dev/null
1632 +++ b/drivers/net/ethernet/ralink/esw_rt3052.h
1633 @@ -0,0 +1,32 @@
1634 +/*
1635 + *   This program is free software; you can redistribute it and/or modify
1636 + *   it under the terms of the GNU General Public License as published by
1637 + *   the Free Software Foundation; version 2 of the License
1638 + *
1639 + *   This program is distributed in the hope that it will be useful,
1640 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
1641 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1642 + *   GNU General Public License for more details.
1643 + *
1644 + *   You should have received a copy of the GNU General Public License
1645 + *   along with this program; if not, write to the Free Software
1646 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
1647 + *
1648 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
1649 + */
1650 +
1651 +#ifndef _RALINK_ESW_RT3052_H__
1652 +#define _RALINK_ESW_RT3052_H__
1653 +
1654 +#ifdef CONFIG_NET_RALINK_ESW_RT3052
1655 +
1656 +int __init rtesw_init(void);
1657 +void rtesw_exit(void);
1658 +
1659 +#else
1660 +
1661 +static inline int __init rtesw_init(void) { return 0; }
1662 +static inline void rtesw_exit(void) { }
1663 +
1664 +#endif
1665 +#endif
1666 --- /dev/null
1667 +++ b/drivers/net/ethernet/ralink/gsw_mt7620a.c
1668 @@ -0,0 +1,1027 @@
1669 +/*
1670 + *   This program is free software; you can redistribute it and/or modify
1671 + *   it under the terms of the GNU General Public License as published by
1672 + *   the Free Software Foundation; version 2 of the License
1673 + *
1674 + *   This program is distributed in the hope that it will be useful,
1675 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
1676 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1677 + *   GNU General Public License for more details.
1678 + *
1679 + *   You should have received a copy of the GNU General Public License
1680 + *   along with this program; if not, write to the Free Software
1681 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
1682 + *
1683 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
1684 + */
1685 +
1686 +#include <linux/module.h>
1687 +#include <linux/kernel.h>
1688 +#include <linux/types.h>
1689 +#include <linux/dma-mapping.h>
1690 +#include <linux/init.h>
1691 +#include <linux/skbuff.h>
1692 +#include <linux/etherdevice.h>
1693 +#include <linux/ethtool.h>
1694 +#include <linux/platform_device.h>
1695 +#include <linux/of_device.h>
1696 +#include <linux/clk.h>
1697 +#include <linux/of_net.h>
1698 +#include <linux/of_mdio.h>
1699 +#include <linux/of_irq.h>
1700 +#include <linux/of_address.h>
1701 +#include <linux/switch.h>
1702 +
1703 +#include <asm/mach-ralink/ralink_regs.h>
1704 +
1705 +#include "ralink_soc_eth.h"
1706 +
1707 +#include <linux/ioport.h>
1708 +#include <linux/switch.h>
1709 +#include <linux/mii.h>
1710 +
1711 +#include <ralink_regs.h>
1712 +#include <asm/mach-ralink/mt7620.h>
1713 +
1714 +#include "ralink_soc_eth.h"
1715 +#include "gsw_mt7620a.h"
1716 +#include "mdio.h"
1717 +
1718 +#define GSW_REG_PHY_TIMEOUT    (5 * HZ)
1719 +
1720 +#define MT7620A_GSW_REG_PIAC   0x7004
1721 +
1722 +#define GSW_NUM_VLANS          16
1723 +#define GSW_NUM_VIDS           4096
1724 +#define GSW_NUM_PORTS          7
1725 +#define GSW_PORT6              6
1726 +
1727 +#define GSW_MDIO_ACCESS                BIT(31)
1728 +#define GSW_MDIO_READ          BIT(19)
1729 +#define GSW_MDIO_WRITE         BIT(18)
1730 +#define GSW_MDIO_START         BIT(16)
1731 +#define GSW_MDIO_ADDR_SHIFT    20
1732 +#define GSW_MDIO_REG_SHIFT     25
1733 +
1734 +#define GSW_REG_PORT_PMCR(x)   (0x3000 + (x * 0x100))
1735 +#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100))
1736 +#define GSW_REG_SMACCR0                0x3fE4
1737 +#define GSW_REG_SMACCR1                0x3fE8
1738 +#define GSW_REG_CKGCR          0x3ff0
1739 +
1740 +#define GSW_REG_IMR            0x7008
1741 +#define GSW_REG_ISR            0x700c
1742 +
1743 +#define SYSC_REG_CFG1          0x14
1744 +
1745 +#define PORT_IRQ_ST_CHG                0x7f
1746 +
1747 +#define GSW_VLAN_VTCR          0x90
1748 +#define GSW_VLAN_VTCR_VID_M    0xfff
1749 +#define GSW_VLAN_ID(_x)                (0x100 + (4 * (_x)))
1750 +#define GSW_VLAN_ID_VID_S      12
1751 +#define GSW_VLAN_ID_VID_M      0xfff
1752 +
1753 +#define GSW_VAWD1              0x94
1754 +#define GSW_VAWD1_VTAG_EN      BIT(28)
1755 +#define GSW_VAWD1_PORTM_S      16
1756 +#define GSW_VAWD1_PORTM_M      0xff
1757 +
1758 +#define GSW_VAWD2              0x98
1759 +#define GSW_VAWD2_PORTT_S      16
1760 +#define GSW_VAWD2_PORTT_M      0xff
1761 +
1762 +#define GSW_VTIM(_x)           (0x100 + (4 * (_x)))
1763 +#define GSW_VTIM_M             0xfff
1764 +#define GSW_VTIM_S             12
1765 +
1766 +#define GSW_REG_PCR(x)         (0x2004 + (x * 0x100))
1767 +#define GSW_REG_PCR_EG_TAG_S   28
1768 +#define GSW_REG_PCR_EG_TAG_M   0x3
1769 +
1770 +#define SYSCFG1                        0x14
1771 +
1772 +#define ESW_PHY_POLLING                0x7000
1773 +
1774 +#define        PMCR_IPG                BIT(18)
1775 +#define        PMCR_MAC_MODE           BIT(16)
1776 +#define        PMCR_FORCE              BIT(15)
1777 +#define        PMCR_TX_EN              BIT(14)
1778 +#define        PMCR_RX_EN              BIT(13)
1779 +#define        PMCR_BACKOFF            BIT(9)
1780 +#define        PMCR_BACKPRES           BIT(8)
1781 +#define        PMCR_RX_FC              BIT(5)
1782 +#define        PMCR_TX_FC              BIT(4)
1783 +#define        PMCR_SPEED(_x)          (_x << 2)
1784 +#define        PMCR_DUPLEX             BIT(1)
1785 +#define        PMCR_LINK               BIT(0)
1786 +
1787 +#define PHY_AN_EN              BIT(31)
1788 +#define PHY_PRE_EN             BIT(30)
1789 +#define PMY_MDC_CONF(_x)       ((_x & 0x3f) << 24)
1790 +
1791 +enum {
1792 +       /* Global attributes. */
1793 +       GSW_ATTR_ENABLE_VLAN,
1794 +       /* Port attributes. */
1795 +       GSW_ATTR_PORT_UNTAG,
1796 +};
1797 +
1798 +enum {
1799 +       PORT4_EPHY = 0,
1800 +       PORT4_EXT,
1801 +};
1802 +
1803 +struct gsw_port {
1804 +       bool    disable;
1805 +       bool    untag;
1806 +       u16     pvid;
1807 +};
1808 +
1809 +struct gsw_vlan {
1810 +       u8      ports;
1811 +       u16     vid;
1812 +};
1813 +
1814 +struct mt7620_gsw {
1815 +       struct device           *dev;
1816 +       void __iomem            *base;
1817 +       int                     irq;
1818 +
1819 +       struct switch_dev       swdev;
1820 +       bool                    global_vlan_enable;
1821 +       struct gsw_vlan         vlans[GSW_NUM_VLANS];
1822 +       struct gsw_port         ports[GSW_NUM_PORTS];
1823 +       long unsigned int       autopoll;
1824 +       int                     port4;
1825 +};
1826 +
1827 +static inline void gsw_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
1828 +{
1829 +       iowrite32(val, gsw->base + reg);
1830 +}
1831 +
1832 +static inline u32 gsw_r32(struct mt7620_gsw *gsw, unsigned reg)
1833 +{
1834 +       return ioread32(gsw->base + reg);
1835 +}
1836 +
1837 +static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
1838 +{
1839 +       unsigned long t_start = jiffies;
1840 +
1841 +       while (1) {
1842 +               if (!(gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
1843 +                       return 0;
1844 +               if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) {
1845 +                       break;
1846 +               }
1847 +       }
1848 +
1849 +       printk(KERN_ERR "mdio: MDIO timeout\n");
1850 +       return -1;
1851 +}
1852 +
1853 +static u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, u32 phy_register,
1854 +                               u32 write_data)
1855 +{
1856 +       if (mt7620_mii_busy_wait(gsw))
1857 +               return -1;
1858 +
1859 +       write_data &= 0xffff;
1860 +
1861 +       gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE |
1862 +               (phy_register << GSW_MDIO_REG_SHIFT) |
1863 +               (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data,
1864 +               MT7620A_GSW_REG_PIAC);
1865 +
1866 +       if (mt7620_mii_busy_wait(gsw))
1867 +               return -1;
1868 +
1869 +       return 0;
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 +       u32 d;
1885 +
1886 +       if (mt7620_mii_busy_wait(gsw))
1887 +               return 0xffff;
1888 +
1889 +       gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ |
1890 +               (phy_reg << GSW_MDIO_REG_SHIFT) |
1891 +               (phy_addr << GSW_MDIO_ADDR_SHIFT),
1892 +               MT7620A_GSW_REG_PIAC);
1893 +
1894 +       if (mt7620_mii_busy_wait(gsw))
1895 +               return 0xffff;
1896 +
1897 +       d = gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff;
1898 +
1899 +       return d;
1900 +}
1901 +
1902 +static unsigned char *fe_speed_str(int speed)
1903 +{
1904 +       switch (speed) {
1905 +       case 2:
1906 +       case SPEED_1000:
1907 +               return "1000";
1908 +       case 1:
1909 +       case SPEED_100:
1910 +               return "100";
1911 +       case 0:
1912 +       case SPEED_10:
1913 +               return "10";
1914 +       }
1915 +
1916 +       return "? ";
1917 +}
1918 +
1919 +int mt7620a_has_carrier(struct fe_priv *priv)
1920 +{
1921 +        struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1922 +       int i;
1923 +
1924 +       for (i = 0; i < GSW_PORT6; i++)
1925 +               if (gsw_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
1926 +                       return 1;
1927 +       return 0;
1928 +}
1929 +
1930 +static void mt7620a_handle_carrier(struct fe_priv *priv)
1931 +{
1932 +       if (!priv->phy)
1933 +               return;
1934 +
1935 +       if (mt7620a_has_carrier(priv))
1936 +               netif_carrier_on(priv->netdev);
1937 +       else
1938 +               netif_carrier_off(priv->netdev);
1939 +}
1940 +
1941 +void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
1942 +{
1943 +       if (priv->link[port])
1944 +               netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
1945 +                       port, fe_speed_str(priv->phy->speed[port]),
1946 +                       (DUPLEX_FULL == priv->phy->duplex[port]) ? "Full" : "Half");
1947 +       else
1948 +               netdev_info(priv->netdev, "port %d link down\n", port);
1949 +       mt7620a_handle_carrier(priv);
1950 +}
1951 +
1952 +static irqreturn_t gsw_interrupt(int irq, void *_priv)
1953 +{
1954 +       struct fe_priv *priv = (struct fe_priv *) _priv;
1955 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1956 +       u32 status;
1957 +       int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3);
1958 +
1959 +       status = gsw_r32(gsw, GSW_REG_ISR);
1960 +       if (status & PORT_IRQ_ST_CHG)
1961 +               for (i = 0; i <= max; i++) {
1962 +                       u32 status = gsw_r32(gsw, GSW_REG_PORT_STATUS(i));
1963 +                       int link = status & 0x1;
1964 +
1965 +                       if (link != priv->link[i]) {
1966 +                               if (link)
1967 +                                       netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
1968 +                                                       i, fe_speed_str((status >> 2) & 3),
1969 +                                                       (status & 0x2) ? "Full" : "Half");
1970 +                               else
1971 +                                       netdev_info(priv->netdev, "port %d link down\n", i);
1972 +                       }
1973 +
1974 +                       priv->link[i] = link;
1975 +               }
1976 +       mt7620a_handle_carrier(priv);
1977 +
1978 +       gsw_w32(gsw, status, GSW_REG_ISR);
1979 +
1980 +       return IRQ_HANDLED;
1981 +}
1982 +
1983 +static int mt7620_is_bga(void)
1984 +{
1985 +       u32 bga = rt_sysc_r32(0x0c);
1986 +
1987 +       return (bga >> 16) & 1;
1988 +}
1989 +
1990 +static void gsw_auto_poll(struct mt7620_gsw *gsw)
1991 +{
1992 +       int phy;
1993 +       int lsb = -1, msb = 0;
1994 +
1995 +       for_each_set_bit(phy, &gsw->autopoll, 32) {
1996 +               if (lsb < 0)
1997 +                       lsb = phy;
1998 +               msb = phy;
1999 +       }
2000 +
2001 +       gsw_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) | (msb << 8) | lsb, ESW_PHY_POLLING);
2002 +}
2003 +
2004 +void mt7620_port_init(struct fe_priv *priv, struct device_node *np)
2005 +{
2006 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
2007 +       const __be32 *_id = of_get_property(np, "reg", NULL);
2008 +       int phy_mode, size, id;
2009 +       int shift = 12;
2010 +       u32 val, mask = 0;
2011 +       int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4);
2012 +
2013 +       if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) {
2014 +               if (_id)
2015 +                       pr_err("%s: invalid port id %d\n", np->name, be32_to_cpu(*_id));
2016 +               else
2017 +                       pr_err("%s: invalid port id\n", np->name);
2018 +               return;
2019 +       }
2020 +
2021 +       id = be32_to_cpu(*_id);
2022 +
2023 +       if (id == 4)
2024 +               shift = 14;
2025 +
2026 +       priv->phy->phy_fixed[id] = of_get_property(np, "ralink,fixed-link", &size);
2027 +       if (priv->phy->phy_fixed[id] && (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) {
2028 +               pr_err("%s: invalid fixed link property\n", np->name);
2029 +               priv->phy->phy_fixed[id] = NULL;
2030 +               return;
2031 +       }
2032 +
2033 +       phy_mode = of_get_phy_mode(np);
2034 +       switch (phy_mode) {
2035 +       case PHY_INTERFACE_MODE_RGMII:
2036 +               mask = 0;
2037 +               break;
2038 +       case PHY_INTERFACE_MODE_MII:
2039 +               mask = 1;
2040 +               break;
2041 +       case PHY_INTERFACE_MODE_RMII:
2042 +               mask = 2;
2043 +               break;
2044 +       default:
2045 +               dev_err(priv->device, "port %d - invalid phy mode\n", priv->phy->speed[id]);
2046 +               return;
2047 +       }
2048 +
2049 +       priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0);
2050 +       if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id])
2051 +               return;
2052 +
2053 +       val = rt_sysc_r32(SYSCFG1);
2054 +       val &= ~(3 << shift);
2055 +       val |= mask << shift;
2056 +       rt_sysc_w32(val, SYSCFG1);
2057 +
2058 +       if (priv->phy->phy_fixed[id]) {
2059 +               const __be32 *link = priv->phy->phy_fixed[id];
2060 +               int tx_fc = be32_to_cpup(link++);
2061 +               int rx_fc = be32_to_cpup(link++);
2062 +               u32 val = 0;
2063 +
2064 +               priv->phy->speed[id] = be32_to_cpup(link++);
2065 +               priv->phy->duplex[id] = be32_to_cpup(link++);
2066 +               priv->link[id] = 1;
2067 +
2068 +               switch (priv->phy->speed[id]) {
2069 +               case SPEED_10:
2070 +                       val = 0;
2071 +                       break;
2072 +               case SPEED_100:
2073 +                       val = 1;
2074 +                       break;
2075 +               case SPEED_1000:
2076 +                       val = 2;
2077 +                       break;
2078 +               default:
2079 +                       dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[id]);
2080 +                       priv->phy->phy_fixed[id] = 0;
2081 +                       return;
2082 +               }
2083 +               val = PMCR_SPEED(val);
2084 +               val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
2085 +                       PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG;
2086 +               if (tx_fc)
2087 +                       val |= PMCR_TX_FC;
2088 +               if (rx_fc)
2089 +                       val |= PMCR_RX_FC;
2090 +               if (priv->phy->duplex[id])
2091 +                       val |= PMCR_DUPLEX;
2092 +               gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
2093 +               dev_info(priv->device, "using fixed link parameters\n");
2094 +               return;
2095 +       }
2096 +
2097 +       if (priv->phy->phy_node[id] && priv->mii_bus->phy_map[id]) {
2098 +               u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
2099 +                       PMCR_TX_EN |  PMCR_MAC_MODE | PMCR_IPG;
2100 +
2101 +               gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
2102 +               fe_connect_phy_node(priv, priv->phy->phy_node[id]);
2103 +               gsw->autopoll |= BIT(id);
2104 +               gsw_auto_poll(gsw);
2105 +               return;
2106 +       }
2107 +}
2108 +
2109 +static void gsw_hw_init(struct mt7620_gsw *gsw)
2110 +{
2111 +       u32 is_BGA = mt7620_is_bga();
2112 +
2113 +       rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
2114 +       gsw_w32(gsw, gsw_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
2115 +
2116 +       /*correct  PHY  setting L3.0 BGA*/
2117 +       _mt7620_mii_write(gsw, 1, 31, 0x4000); //global, page 4
2118 +
2119 +       _mt7620_mii_write(gsw, 1, 17, 0x7444);
2120 +       if (is_BGA)
2121 +               _mt7620_mii_write(gsw, 1, 19, 0x0114);
2122 +       else
2123 +               _mt7620_mii_write(gsw, 1, 19, 0x0117);
2124 +
2125 +       _mt7620_mii_write(gsw, 1, 22, 0x10cf);
2126 +       _mt7620_mii_write(gsw, 1, 25, 0x6212);
2127 +       _mt7620_mii_write(gsw, 1, 26, 0x0777);
2128 +       _mt7620_mii_write(gsw, 1, 29, 0x4000);
2129 +       _mt7620_mii_write(gsw, 1, 28, 0xc077);
2130 +       _mt7620_mii_write(gsw, 1, 24, 0x0000);
2131 +
2132 +       _mt7620_mii_write(gsw, 1, 31, 0x3000); //global, page 3
2133 +       _mt7620_mii_write(gsw, 1, 17, 0x4838);
2134 +
2135 +       _mt7620_mii_write(gsw, 1, 31, 0x2000); //global, page 2
2136 +       if (is_BGA) {
2137 +               _mt7620_mii_write(gsw, 1, 21, 0x0515);
2138 +               _mt7620_mii_write(gsw, 1, 22, 0x0053);
2139 +               _mt7620_mii_write(gsw, 1, 23, 0x00bf);
2140 +               _mt7620_mii_write(gsw, 1, 24, 0x0aaf);
2141 +               _mt7620_mii_write(gsw, 1, 25, 0x0fad);
2142 +               _mt7620_mii_write(gsw, 1, 26, 0x0fc1);
2143 +       } else {
2144 +               _mt7620_mii_write(gsw, 1, 21, 0x0517);
2145 +               _mt7620_mii_write(gsw, 1, 22, 0x0fd2);
2146 +               _mt7620_mii_write(gsw, 1, 23, 0x00bf);
2147 +               _mt7620_mii_write(gsw, 1, 24, 0x0aab);
2148 +               _mt7620_mii_write(gsw, 1, 25, 0x00ae);
2149 +               _mt7620_mii_write(gsw, 1, 26, 0x0fff);
2150 +       }
2151 +       _mt7620_mii_write(gsw, 1, 31, 0x1000); //global, page 1
2152 +       _mt7620_mii_write(gsw, 1, 17, 0xe7f8);
2153 +
2154 +       _mt7620_mii_write(gsw, 1, 31, 0x8000); //local, page 0
2155 +       _mt7620_mii_write(gsw, 0, 30, 0xa000);
2156 +       _mt7620_mii_write(gsw, 1, 30, 0xa000);
2157 +       _mt7620_mii_write(gsw, 2, 30, 0xa000);
2158 +       _mt7620_mii_write(gsw, 3, 30, 0xa000);
2159 +
2160 +       _mt7620_mii_write(gsw, 0, 4, 0x05e1);
2161 +       _mt7620_mii_write(gsw, 1, 4, 0x05e1);
2162 +       _mt7620_mii_write(gsw, 2, 4, 0x05e1);
2163 +       _mt7620_mii_write(gsw, 3, 4, 0x05e1);
2164 +       _mt7620_mii_write(gsw, 1, 31, 0xa000); //local, page 2
2165 +       _mt7620_mii_write(gsw, 0, 16, 0x1111);
2166 +       _mt7620_mii_write(gsw, 1, 16, 0x1010);
2167 +       _mt7620_mii_write(gsw, 2, 16, 0x1515);
2168 +       _mt7620_mii_write(gsw, 3, 16, 0x0f0f);
2169 +
2170 +       /* CPU Port6 Force Link 1G, FC ON */
2171 +       gsw_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
2172 +       /* Set Port6 CPU Port */
2173 +       gsw_w32(gsw, 0x7f7f7fe0, 0x0010);
2174 +
2175 +//     GSW_VAWD2
2176 +
2177 +       /* setup port 4 */
2178 +       if (gsw->port4 == PORT4_EPHY) {
2179 +               u32 val = rt_sysc_r32(SYSCFG1);
2180 +               val |= 3 << 14;
2181 +               rt_sysc_w32(val, SYSCFG1);
2182 +               _mt7620_mii_write(gsw, 4, 30, 0xa000);
2183 +               _mt7620_mii_write(gsw, 4, 4, 0x05e1);
2184 +               _mt7620_mii_write(gsw, 4, 16, 0x1313);
2185 +               pr_info("gsw: setting port4 to ephy mode\n");
2186 +       }
2187 +}
2188 +
2189 +static int gsw_reset_switch(struct switch_dev *dev)
2190 +{
2191 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2192 +
2193 +       gsw->global_vlan_enable = 0;
2194 +       memset(gsw->ports, 0, sizeof(gsw->ports));
2195 +       memset(gsw->vlans, 0, sizeof(gsw->vlans));
2196 +       gsw_hw_init(gsw);
2197 +
2198 +       return 0;
2199 +}
2200 +
2201 +static int gsw_get_vlan_enable(struct switch_dev *dev,
2202 +                          const struct switch_attr *attr,
2203 +                          struct switch_val *val)
2204 +{
2205 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2206 +
2207 +       val->value.i = gsw->global_vlan_enable;
2208 +
2209 +       return 0;
2210 +}
2211 +
2212 +static int gsw_set_vlan_enable(struct switch_dev *dev,
2213 +                          const struct switch_attr *attr,
2214 +                          struct switch_val *val)
2215 +{
2216 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2217 +
2218 +       gsw->global_vlan_enable = val->value.i != 0;
2219 +
2220 +       return 0;
2221 +}
2222 +
2223 +static unsigned gsw_get_pvid(struct mt7620_gsw *gsw, unsigned port)
2224 +{
2225 +       unsigned s, val;
2226 +
2227 +       s = GSW_VTIM_S * (port % 2);
2228 +       val = gsw_r32(gsw, GSW_VTIM(port / 2));
2229 +
2230 +       return (val >> s) & GSW_VTIM_M;
2231 +}
2232 +
2233 +static void gsw_set_pvid(struct mt7620_gsw *gsw, unsigned port, unsigned pvid)
2234 +{
2235 +       unsigned s, val;
2236 +
2237 +       s = GSW_VTIM_S * (port % 2);
2238 +       val = gsw_r32(gsw, GSW_VTIM(port / 2));
2239 +       val &= ~(GSW_VTIM_M << s);
2240 +       val |= (pvid && GSW_VTIM_M) << s;
2241 +       gsw_w32(gsw, val, GSW_VTIM(port / 2));
2242 +}
2243 +
2244 +static int gsw_get_port_bool(struct switch_dev *dev,
2245 +                        const struct switch_attr *attr,
2246 +                        struct switch_val *val)
2247 +{
2248 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2249 +       int idx = val->port_vlan;
2250 +
2251 +       if (idx < 0 || idx >= GSW_NUM_PORTS)
2252 +               return -EINVAL;
2253 +
2254 +       switch (attr->id) {
2255 +       case GSW_ATTR_PORT_UNTAG:
2256 +               return gsw->ports[idx].untag;
2257 +       }
2258 +
2259 +       return -EINVAL;
2260 +}
2261 +
2262 +static int gsw_get_port_pvid(struct switch_dev *dev, int port, int *val)
2263 +{
2264 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2265 +
2266 +       if (port >= GSW_NUM_PORTS)
2267 +               return -EINVAL;
2268 +
2269 +       *val = gsw_get_pvid(gsw, port);
2270 +
2271 +       return 0;
2272 +}
2273 +
2274 +static int gsw_set_port_pvid(struct switch_dev *dev, int port, int val)
2275 +{
2276 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2277 +
2278 +       if (port >= GSW_NUM_PORTS)
2279 +               return -EINVAL;
2280 +
2281 +       gsw->ports[port].pvid = val;
2282 +
2283 +       return 0;
2284 +}
2285 +
2286 +static void gsw_set_vtcr(struct switch_dev *dev, u32 vid)
2287 +{
2288 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2289 +       int retry = 1000;
2290 +
2291 +       gsw_w32(gsw, 0x80000000 | (BIT(vid) & GSW_VLAN_VTCR_VID_M), GSW_VLAN_VTCR);
2292 +       while (retry-- && (gsw_r32(gsw, GSW_VLAN_VTCR) & 0x80000000))
2293 +               ;
2294 +}
2295 +
2296 +static void gsw_apply_vtcr(struct switch_dev *dev, u32 vid)
2297 +{
2298 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2299 +       int retry = 1000;
2300 +
2301 +       gsw_w32(gsw, 0x80001000 | (BIT(vid) & GSW_VLAN_VTCR_VID_M), GSW_VLAN_VTCR);
2302 +       while (retry-- && (gsw_r32(gsw, GSW_VLAN_VTCR) & 0x80000000))
2303 +               ;
2304 +}
2305 +
2306 +static unsigned gsw_get_vlan_id(struct mt7620_gsw *gsw, unsigned vlan)
2307 +{
2308 +       unsigned s;
2309 +       unsigned val;
2310 +
2311 +       s = GSW_VLAN_ID_VID_S * (vlan % 2);
2312 +       val = gsw_r32(gsw, GSW_VLAN_ID(vlan / 2));
2313 +       val = (val >> s) & GSW_VLAN_ID_VID_M;
2314 +
2315 +       return val;
2316 +}
2317 +
2318 +static void gsw_set_vlan_id(struct mt7620_gsw *gsw, unsigned vlan, unsigned vid)
2319 +{
2320 +       unsigned s;
2321 +       unsigned val;
2322 +
2323 +       s = GSW_VLAN_ID_VID_S * (vlan % 2);
2324 +       val = gsw_r32(gsw, GSW_VLAN_ID(vlan / 2));
2325 +       val &= ~(GSW_VLAN_ID_VID_M << s);
2326 +       val |= (vid << s);
2327 +       gsw_w32(gsw, val, GSW_VLAN_ID(vlan / 2));
2328 +}
2329 +
2330 +static void gsw_vlan_tagging_enable(struct mt7620_gsw *gsw, unsigned vlan, unsigned enable)
2331 +{
2332 +       unsigned val;
2333 +
2334 +       val = gsw_r32(gsw, GSW_VAWD1);
2335 +       if (enable)
2336 +               val |= GSW_VAWD1_VTAG_EN;
2337 +       else
2338 +               val &= ~GSW_VAWD1_VTAG_EN;
2339 +       gsw_w32(gsw, val, GSW_VAWD1);
2340 +}
2341 +
2342 +static unsigned gsw_get_port_member(struct mt7620_gsw *gsw, unsigned vlan)
2343 +{
2344 +       unsigned val;
2345 +
2346 +       gsw_set_vtcr(&gsw->swdev, vlan);
2347 +
2348 +       val = gsw_r32(gsw, GSW_VAWD1);
2349 +       val = (val >> GSW_VAWD1_PORTM_S) & GSW_VAWD1_PORTM_M;
2350 +
2351 +       return val;
2352 +}
2353 +
2354 +static void gsw_set_port_member(struct mt7620_gsw *gsw, unsigned vlan, unsigned member)
2355 +{
2356 +       unsigned val;
2357 +
2358 +       val = gsw_r32(gsw, GSW_VAWD1);
2359 +       val = ~(GSW_VAWD1_PORTM_M << GSW_VAWD1_PORTM_S);
2360 +       val |= (member & GSW_VAWD1_PORTM_M) << GSW_VAWD1_PORTM_S;
2361 +        gsw_w32(gsw, val, GSW_VAWD1);
2362 +}
2363 +
2364 +static unsigned gsw_get_port_tag(struct mt7620_gsw *gsw, unsigned port)
2365 +{
2366 +       unsigned val;
2367 +
2368 +       val = gsw_r32(gsw, GSW_REG_PCR(port));
2369 +       val >>= GSW_REG_PCR_EG_TAG_S;
2370 +       val &= GSW_REG_PCR_EG_TAG_M;
2371 +
2372 +       return !!val;
2373 +}
2374 +
2375 +static void gsw_set_port_untag(struct mt7620_gsw *gsw, unsigned port, unsigned untag)
2376 +{
2377 +       unsigned val;
2378 +
2379 +       val = gsw_r32(gsw, GSW_REG_PCR(port));
2380 +       if (!untag)
2381 +               untag = 0x2;
2382 +       else
2383 +               untag = 0;
2384 +       val &= ~(GSW_REG_PCR_EG_TAG_M << GSW_REG_PCR_EG_TAG_S);
2385 +       val |= (untag & GSW_REG_PCR_EG_TAG_M) << GSW_REG_PCR_EG_TAG_S;
2386 +       gsw_w32(gsw, val, GSW_REG_PCR(port));
2387 +}
2388 +
2389 +static int gsw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
2390 +{
2391 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2392 +       int vlan_idx = -1;
2393 +       u32 member;
2394 +       int i;
2395 +
2396 +       val->len = 0;
2397 +
2398 +       if (val->port_vlan < 0 || val->port_vlan >= GSW_NUM_VIDS)
2399 +               return -EINVAL;
2400 +
2401 +       /* valid vlan? */
2402 +       for (i = 0; i < GSW_NUM_VLANS; i++) {
2403 +               if (gsw_get_vlan_id(gsw, i) != val->port_vlan)
2404 +                       continue;
2405 +               member = gsw_get_port_member(gsw, i);
2406 +               vlan_idx = i;
2407 +               break;
2408 +       }
2409 +
2410 +       if (vlan_idx == -1)
2411 +               return -EINVAL;
2412 +
2413 +       for (i = 0; i < GSW_NUM_PORTS; i++) {
2414 +               struct switch_port *p;
2415 +               int port_mask = 1 << i;
2416 +
2417 +               if (!(member & port_mask))
2418 +                       continue;
2419 +
2420 +               p = &val->value.ports[val->len++];
2421 +               p->id = i;
2422 +               if (gsw_get_port_tag(gsw, i))
2423 +                       p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
2424 +               else
2425 +                       p->flags = 0;
2426 +       }
2427 +
2428 +       return 0;
2429 +}
2430 +
2431 +static int gsw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
2432 +{
2433 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2434 +       int ports;
2435 +       int vlan_idx = -1;
2436 +       int i;
2437 +
2438 +       if (val->port_vlan < 0 || val->port_vlan >= GSW_NUM_VIDS ||
2439 +                       val->len > GSW_NUM_PORTS)
2440 +               return -EINVAL;
2441 +
2442 +       /* one of the already defined vlans? */
2443 +       for (i = 0; i < GSW_NUM_VLANS; i++) {
2444 +               if (gsw->vlans[i].vid == val->port_vlan &&
2445 +                   gsw->vlans[i].ports) {
2446 +                       vlan_idx = i;
2447 +                       break;
2448 +               }
2449 +       }
2450 +
2451 +       /* select a free slot */
2452 +       for (i = 0; vlan_idx == -1 && i < GSW_NUM_VLANS; i++) {
2453 +               if (!gsw->vlans[i].ports)
2454 +                       vlan_idx = i;
2455 +       }
2456 +
2457 +       /* bail if all slots are in use */
2458 +       if (vlan_idx == -1)
2459 +               return -EINVAL;
2460 +
2461 +       ports = 0;
2462 +       for (i = 0; i < val->len; i++) {
2463 +               struct switch_port *p = &val->value.ports[i];
2464 +               int port_mask = 1 << p->id;
2465 +               bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
2466 +
2467 +               if (p->id >= GSW_NUM_PORTS)
2468 +                       return -EINVAL;
2469 +
2470 +               ports |= port_mask;
2471 +               gsw->ports[p->id].untag = untagged;
2472 +       }
2473 +       gsw->vlans[vlan_idx].ports = ports;
2474 +       if (!ports)
2475 +               gsw->vlans[vlan_idx].vid = 0xfff;
2476 +       else
2477 +               gsw->vlans[vlan_idx].vid = val->port_vlan;
2478 +
2479 +       return 0;
2480 +}
2481 +
2482 +static int gsw_apply_config(struct switch_dev *dev)
2483 +{
2484 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2485 +       int i;
2486 +
2487 +       for (i = 0; i < GSW_NUM_VLANS; i++) {
2488 +               gsw_set_vtcr(&gsw->swdev, i);
2489 +               if (gsw->global_vlan_enable) {
2490 +                       gsw_set_vlan_id(gsw, i, gsw->vlans[i].vid);
2491 +                       gsw_set_port_member(gsw, i, gsw->vlans[i].ports);
2492 +                       gsw_vlan_tagging_enable(gsw, i, 1);
2493 +               } else {
2494 +                       gsw_set_vlan_id(gsw, i, 0xfff);
2495 +                       gsw_set_port_member(gsw, i, 0);
2496 +                       gsw_vlan_tagging_enable(gsw, i, 0);
2497 +               }
2498 +               gsw_apply_vtcr(&gsw->swdev, i);
2499 +       }
2500 +
2501 +       for (i = 0; i < GSW_NUM_PORTS; i++) {
2502 +               if (gsw->global_vlan_enable) {
2503 +                       gsw_set_port_untag(gsw, i, !gsw->ports[i].untag);
2504 +                       gsw_set_pvid(gsw, i, gsw->ports[i].pvid);
2505 +               } else {
2506 +                       gsw_set_port_untag(gsw, i, 0);
2507 +                       gsw_set_pvid(gsw, i, 0);
2508 +               }
2509 +       }
2510 +
2511 +       if (!gsw->global_vlan_enable)
2512 +               gsw_set_vlan_id(gsw, 0, 0);
2513 +
2514 +       return 0;
2515 +}
2516 +
2517 +static int gsw_get_port_link(struct switch_dev *dev,
2518 +                        int port,
2519 +                        struct switch_port_link *link)
2520 +{
2521 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2522 +       u32 status;
2523 +
2524 +       if (port < 0 || port >= GSW_NUM_PORTS)
2525 +               return -EINVAL;
2526 +
2527 +       status = gsw_r32(gsw, GSW_REG_PORT_STATUS(port));
2528 +       link->link = status & 0x1;
2529 +       link->duplex = (status >> 1) & 1;
2530 +
2531 +       switch ((status >> 2) & 0x3) {
2532 +       case 0:
2533 +               link->speed = SWITCH_PORT_SPEED_10;
2534 +               break;
2535 +       case 1:
2536 +               link->speed = SWITCH_PORT_SPEED_100;
2537 +               break;
2538 +       case 2:
2539 +       case 3: // forced gige speed can be 2 or 3
2540 +               link->speed = SWITCH_PORT_SPEED_1000;
2541 +               break;
2542 +       }
2543 +
2544 +       return 0;
2545 +}
2546 +
2547 +static int gsw_set_port_bool(struct switch_dev *dev,
2548 +                        const struct switch_attr *attr,
2549 +                        struct switch_val *val)
2550 +{
2551 +       struct mt7620_gsw *gsw = container_of(dev, struct mt7620_gsw, swdev);
2552 +       int idx = val->port_vlan;
2553 +
2554 +       if (idx < 0 || idx >= GSW_NUM_PORTS ||
2555 +           val->value.i < 0 || val->value.i > 1)
2556 +               return -EINVAL;
2557 +
2558 +       switch (attr->id) {
2559 +       case GSW_ATTR_PORT_UNTAG:
2560 +               gsw->ports[idx].untag = val->value.i;
2561 +               break;
2562 +       default:
2563 +               return -EINVAL;
2564 +       }
2565 +
2566 +       return 0;
2567 +}
2568 +
2569 +static const struct switch_attr gsw_global[] = {
2570 +       {
2571 +               .type = SWITCH_TYPE_INT,
2572 +               .name = "enable_vlan",
2573 +               .description = "VLAN mode (1:enabled)",
2574 +               .max = 1,
2575 +               .id = GSW_ATTR_ENABLE_VLAN,
2576 +               .get = gsw_get_vlan_enable,
2577 +               .set = gsw_set_vlan_enable,
2578 +       },
2579 +};
2580 +
2581 +static const struct switch_attr gsw_port[] = {
2582 +       {
2583 +               .type = SWITCH_TYPE_INT,
2584 +               .name = "untag",
2585 +               .description = "Untag (1:strip outgoing vlan tag)",
2586 +               .max = 1,
2587 +               .id = GSW_ATTR_PORT_UNTAG,
2588 +               .get = gsw_get_port_bool,
2589 +               .set = gsw_set_port_bool,
2590 +       },
2591 +};
2592 +
2593 +static const struct switch_attr gsw_vlan[] = {
2594 +};
2595 +
2596 +static const struct switch_dev_ops gsw_ops = {
2597 +       .attr_global = {
2598 +               .attr = gsw_global,
2599 +               .n_attr = ARRAY_SIZE(gsw_global),
2600 +       },
2601 +       .attr_port = {
2602 +               .attr = gsw_port,
2603 +               .n_attr = ARRAY_SIZE(gsw_port),
2604 +       },
2605 +       .attr_vlan = {
2606 +               .attr = gsw_vlan,
2607 +               .n_attr = ARRAY_SIZE(gsw_vlan),
2608 +       },
2609 +       .get_vlan_ports = gsw_get_vlan_ports,
2610 +       .set_vlan_ports = gsw_set_vlan_ports,
2611 +       .get_port_pvid = gsw_get_port_pvid,
2612 +       .set_port_pvid = gsw_set_port_pvid,
2613 +       .get_port_link = gsw_get_port_link,
2614 +       .apply_config = gsw_apply_config,
2615 +       .reset_switch = gsw_reset_switch,
2616 +};
2617 +
2618 +void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac)
2619 +{
2620 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
2621 +       unsigned long flags;
2622 +
2623 +       spin_lock_irqsave(&priv->page_lock, flags);
2624 +       gsw_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
2625 +       gsw_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
2626 +               GSW_REG_SMACCR0);
2627 +       spin_unlock_irqrestore(&priv->page_lock, flags);
2628 +}
2629 +
2630 +static struct of_device_id gsw_match[] = {
2631 +       { .compatible = "ralink,mt7620a-gsw" },
2632 +       {}
2633 +};
2634 +
2635 +int mt7620_gsw_probe(struct fe_priv *priv)
2636 +{
2637 +       struct mt7620_gsw *gsw;
2638 +       struct device_node *np;
2639 +       struct switch_dev *swdev;
2640 +       const char *port4 = NULL;
2641 +
2642 +       np = of_find_matching_node(NULL, gsw_match);
2643 +       if (!np) {
2644 +               dev_err(priv->device, "no gsw node found\n");
2645 +               return -EINVAL;
2646 +       }
2647 +       np = of_node_get(np);
2648 +
2649 +       gsw = devm_kzalloc(priv->device, sizeof(struct mt7620_gsw), GFP_KERNEL);
2650 +       if (!gsw) {
2651 +               dev_err(priv->device, "no gsw memory for private data\n");
2652 +               return -ENOMEM;
2653 +       }
2654 +
2655 +       gsw->irq = irq_of_parse_and_map(np, 0);
2656 +       if (!gsw->irq) {
2657 +               dev_err(priv->device, "no gsw irq resource found\n");
2658 +               return -ENOMEM;
2659 +       }
2660 +
2661 +       gsw->base = of_iomap(np, 0);
2662 +       if (!gsw->base) {
2663 +               dev_err(priv->device, "gsw ioremap failed\n");
2664 +       }
2665 +
2666 +       gsw->dev = priv->device;
2667 +       priv->soc->swpriv = gsw;
2668 +
2669 +       swdev = &gsw->swdev;
2670 +       swdev->of_node = np;
2671 +       swdev->name = "mt7620a-gsw";
2672 +       swdev->alias = "mt7620x";
2673 +       swdev->cpu_port = GSW_PORT6;
2674 +       swdev->ports = GSW_NUM_PORTS;
2675 +       swdev->vlans = GSW_NUM_VLANS;
2676 +       swdev->ops = &gsw_ops;
2677 +
2678 +       if (register_switch(swdev, NULL))
2679 +               dev_err(priv->device, "register_switch failed\n");
2680 +
2681 +       of_property_read_string(np, "ralink,port4", &port4);
2682 +       if (port4 && !strcmp(port4, "ephy"))
2683 +               gsw->port4 = PORT4_EPHY;
2684 +       else if (port4 && !strcmp(port4, "gmac"))
2685 +               gsw->port4 = PORT4_EXT;
2686 +       else
2687 +               WARN_ON(port4);
2688 +
2689 +       gsw_hw_init(gsw);
2690 +
2691 +       gsw_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
2692 +       request_irq(gsw->irq, gsw_interrupt, 0, "gsw", priv);
2693 +
2694 +       return 0;
2695 +}
2696 --- /dev/null
2697 +++ b/drivers/net/ethernet/ralink/gsw_mt7620a.h
2698 @@ -0,0 +1,29 @@
2699 +/*
2700 + *   This program is free software; you can redistribute it and/or modify
2701 + *   it under the terms of the GNU General Public License as published by
2702 + *   the Free Software Foundation; version 2 of the License
2703 + *
2704 + *   This program is distributed in the hope that it will be useful,
2705 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2706 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2707 + *   GNU General Public License for more details.
2708 + *
2709 + *   You should have received a copy of the GNU General Public License
2710 + *   along with this program; if not, write to the Free Software
2711 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2712 + *
2713 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2714 + */
2715 +
2716 +#ifndef _RALINK_GSW_MT7620_H__
2717 +#define _RALINK_GSW_MT7620_H__
2718 +
2719 +extern int mt7620_gsw_probe(struct fe_priv *priv);
2720 +extern void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac);
2721 +extern int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
2722 +extern int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
2723 +extern void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
2724 +extern void mt7620_port_init(struct fe_priv *priv, struct device_node *np);
2725 +extern int mt7620a_has_carrier(struct fe_priv *priv);
2726 +
2727 +#endif
2728 --- /dev/null
2729 +++ b/drivers/net/ethernet/ralink/mdio.c
2730 @@ -0,0 +1,245 @@
2731 +/*
2732 + *   This program is free software; you can redistribute it and/or modify
2733 + *   it under the terms of the GNU General Public License as published by
2734 + *   the Free Software Foundation; version 2 of the License
2735 + *
2736 + *   This program is distributed in the hope that it will be useful,
2737 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2738 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2739 + *   GNU General Public License for more details.
2740 + *
2741 + *   You should have received a copy of the GNU General Public License
2742 + *   along with this program; if not, write to the Free Software
2743 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2744 + *
2745 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2746 + */
2747 +
2748 +#include <linux/module.h>
2749 +#include <linux/kernel.h>
2750 +#include <linux/types.h>
2751 +#include <linux/dma-mapping.h>
2752 +#include <linux/init.h>
2753 +#include <linux/skbuff.h>
2754 +#include <linux/etherdevice.h>
2755 +#include <linux/ethtool.h>
2756 +#include <linux/platform_device.h>
2757 +#include <linux/phy.h>
2758 +#include <linux/of_device.h>
2759 +#include <linux/clk.h>
2760 +#include <linux/of_net.h>
2761 +#include <linux/of_mdio.h>
2762 +
2763 +#include "ralink_soc_eth.h"
2764 +#include "mdio.h"
2765 +
2766 +static int fe_mdio_reset(struct mii_bus *bus)
2767 +{
2768 +       /* TODO */
2769 +       return 0;
2770 +}
2771 +
2772 +static void fe_phy_link_adjust(struct net_device *dev)
2773 +{
2774 +       struct fe_priv *priv = netdev_priv(dev);
2775 +       unsigned long flags;
2776 +       int i;
2777 +
2778 +       spin_lock_irqsave(&priv->phy->lock, flags);
2779 +       for (i = 0; i < 8; i++) {
2780 +               if (priv->phy->phy_node[i]) {
2781 +                       struct phy_device *phydev = priv->phy->phy[i];
2782 +                       int status_change = 0;
2783 +
2784 +                       if (phydev->link)
2785 +                               if (priv->phy->duplex[i] != phydev->duplex ||
2786 +                                               priv->phy->speed[i] != phydev->speed)
2787 +                                       status_change = 1;
2788 +
2789 +                       if (phydev->link != priv->link[i])
2790 +                               status_change = 1;
2791 +
2792 +                       switch (phydev->speed) {
2793 +                       case SPEED_1000:
2794 +                       case SPEED_100:
2795 +                       case SPEED_10:
2796 +                               priv->link[i] = phydev->link;
2797 +                               priv->phy->duplex[i] = phydev->duplex;
2798 +                               priv->phy->speed[i] = phydev->speed;
2799 +
2800 +                               if (status_change && priv->soc->mdio_adjust_link)
2801 +                                       priv->soc->mdio_adjust_link(priv, i);
2802 +                               break;
2803 +                       }
2804 +               }
2805 +       }
2806 +       spin_unlock_irqrestore(&priv->phy->lock, flags);
2807 +}
2808 +
2809 +int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node)
2810 +{
2811 +       const __be32 *_port = NULL;
2812 +       struct phy_device *phydev;
2813 +       int phy_mode, port;
2814 +
2815 +       _port = of_get_property(phy_node, "reg", NULL);
2816 +
2817 +       if (!_port || (be32_to_cpu(*_port) >= 8)) {
2818 +               pr_err("%s: invalid port id\n", phy_node->name);
2819 +               return -EINVAL;
2820 +       }
2821 +       port = be32_to_cpu(*_port);
2822 +       phy_mode = of_get_phy_mode(phy_node);
2823 +       if (phy_mode < 0) {
2824 +               dev_err(priv->device, "incorrect phy-mode %d\n", phy_mode);
2825 +               priv->phy->phy_node[port] = NULL;
2826 +               return -EINVAL;
2827 +       }
2828 +
2829 +       phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust,
2830 +                               0, phy_mode);
2831 +       if (IS_ERR(phydev)) {
2832 +               dev_err(priv->device, "could not connect to PHY\n");
2833 +               priv->phy->phy_node[port] = NULL;
2834 +               return PTR_ERR(phydev);
2835 +       }
2836 +
2837 +       phydev->supported &= PHY_GBIT_FEATURES;
2838 +       phydev->advertising = phydev->supported;
2839 +       phydev->no_auto_carrier_off = 1;
2840 +
2841 +       dev_info(priv->device,
2842 +                "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
2843 +                port, dev_name(&phydev->dev), phydev->phy_id,
2844 +                phydev->drv->name);
2845 +
2846 +       priv->phy->phy[port] = phydev;
2847 +       priv->link[port] = 0;
2848 +
2849 +       return 0;
2850 +}
2851 +
2852 +static int fe_phy_connect(struct fe_priv *priv)
2853 +{
2854 +       return 0;
2855 +}
2856 +
2857 +static void fe_phy_disconnect(struct fe_priv *priv)
2858 +{
2859 +       unsigned long flags;
2860 +       int i;
2861 +
2862 +       for (i = 0; i < 8; i++)
2863 +               if (priv->phy->phy_fixed[i]) {
2864 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2865 +                       priv->link[i] = 0;
2866 +                       if (priv->soc->mdio_adjust_link)
2867 +                               priv->soc->mdio_adjust_link(priv, i);
2868 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2869 +               } else if (priv->phy->phy[i]) {
2870 +                       phy_disconnect(priv->phy->phy[i]);
2871 +               }
2872 +}
2873 +
2874 +static void fe_phy_start(struct fe_priv *priv)
2875 +{
2876 +       unsigned long flags;
2877 +       int i;
2878 +
2879 +       for (i = 0; i < 8; i++) {
2880 +               if (priv->phy->phy_fixed[i]) {
2881 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2882 +                       priv->link[i] = 1;
2883 +                       if (priv->soc->mdio_adjust_link)
2884 +                               priv->soc->mdio_adjust_link(priv, i);
2885 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2886 +               } else if (priv->phy->phy[i]) {
2887 +                       phy_start(priv->phy->phy[i]);
2888 +               }
2889 +       }
2890 +}
2891 +
2892 +static void fe_phy_stop(struct fe_priv *priv)
2893 +{
2894 +       unsigned long flags;
2895 +       int i;
2896 +
2897 +       for (i = 0; i < 8; i++)
2898 +               if (priv->phy->phy_fixed[i]) {
2899 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2900 +                       priv->link[i] = 0;
2901 +                       if (priv->soc->mdio_adjust_link)
2902 +                               priv->soc->mdio_adjust_link(priv, i);
2903 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2904 +               } else if (priv->phy->phy[i]) {
2905 +                       phy_stop(priv->phy->phy[i]);
2906 +               }
2907 +}
2908 +
2909 +static struct fe_phy phy_ralink = {
2910 +       .connect = fe_phy_connect,
2911 +       .disconnect = fe_phy_disconnect,
2912 +       .start = fe_phy_start,
2913 +       .stop = fe_phy_stop,
2914 +};
2915 +
2916 +int fe_mdio_init(struct fe_priv *priv)
2917 +{
2918 +       struct device_node *mii_np;
2919 +       int err;
2920 +
2921 +       if (!priv->soc->mdio_read || !priv->soc->mdio_write)
2922 +               return 0;
2923 +
2924 +       spin_lock_init(&phy_ralink.lock);
2925 +       priv->phy = &phy_ralink;
2926 +
2927 +       mii_np = of_get_child_by_name(priv->device->of_node, "mdio-bus");
2928 +       if (!mii_np) {
2929 +               dev_err(priv->device, "no %s child node found", "mdio-bus");
2930 +               return -ENODEV;
2931 +       }
2932 +
2933 +       if (!of_device_is_available(mii_np)) {
2934 +               err = 0;
2935 +               goto err_put_node;
2936 +       }
2937 +
2938 +       priv->mii_bus = mdiobus_alloc();
2939 +       if (priv->mii_bus == NULL) {
2940 +               err = -ENOMEM;
2941 +               goto err_put_node;
2942 +       }
2943 +
2944 +       priv->mii_bus->name = "mdio";
2945 +       priv->mii_bus->read = priv->soc->mdio_read;
2946 +       priv->mii_bus->write = priv->soc->mdio_write;
2947 +       priv->mii_bus->reset = fe_mdio_reset;
2948 +