ralink: add NETIF_F_HW_VLAN_CTAG_TX support for the mt7620X family
[openwrt.git] / target / linux / ramips / patches-3.10 / 0111-NET-MIPS-add-ralink-SoC-ethernet-driver.patch
1 From ad11aedcc16574c0b3d3f5e40c67227d1846b94e Mon Sep 17 00:00:00 2001
2 From: John Crispin <blogic@openwrt.org>
3 Date: Mon, 22 Apr 2013 23:20:03 +0200
4 Subject: [PATCH 16/33] NET: MIPS: add ralink SoC ethernet driver
5
6 Add support for Ralink FE and ESW.
7
8 Signed-off-by: John Crispin <blogic@openwrt.org>
9 ---
10  .../include/asm/mach-ralink/rt305x_esw_platform.h  |   27 +
11  arch/mips/ralink/rt305x.c                          |    1 +
12  drivers/net/ethernet/Kconfig                       |    1 +
13  drivers/net/ethernet/Makefile                      |    1 +
14  drivers/net/ethernet/ralink/Kconfig                |   31 +
15  drivers/net/ethernet/ralink/Makefile               |   18 +
16  drivers/net/ethernet/ralink/esw_rt3052.c           | 1463 ++++++++++++++++++++
17  drivers/net/ethernet/ralink/esw_rt3052.h           |   32 +
18  drivers/net/ethernet/ralink/gsw_mt7620a.c          | 1027 ++++++++++++++
19  drivers/net/ethernet/ralink/gsw_mt7620a.h          |   29 +
20  drivers/net/ethernet/ralink/mdio.c                 |  245 ++++
21  drivers/net/ethernet/ralink/mdio.h                 |   29 +
22  drivers/net/ethernet/ralink/mdio_rt2880.c          |  232 ++++
23  drivers/net/ethernet/ralink/mdio_rt2880.h          |   26 +
24  drivers/net/ethernet/ralink/ralink_soc_eth.c       |  735 ++++++++++
25  drivers/net/ethernet/ralink/ralink_soc_eth.h       |  374 +++++
26  drivers/net/ethernet/ralink/soc_mt7620.c           |  111 ++
27  drivers/net/ethernet/ralink/soc_rt2880.c           |   51 +
28  drivers/net/ethernet/ralink/soc_rt305x.c           |  113 ++
29  drivers/net/ethernet/ralink/soc_rt3883.c           |   60 +
30  20 files changed, 4606 insertions(+)
31  create mode 100644 arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
32  create mode 100644 drivers/net/ethernet/ralink/Kconfig
33  create mode 100644 drivers/net/ethernet/ralink/Makefile
34  create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.c
35  create mode 100644 drivers/net/ethernet/ralink/esw_rt3052.h
36  create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.c
37  create mode 100644 drivers/net/ethernet/ralink/gsw_mt7620a.h
38  create mode 100644 drivers/net/ethernet/ralink/mdio.c
39  create mode 100644 drivers/net/ethernet/ralink/mdio.h
40  create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.c
41  create mode 100644 drivers/net/ethernet/ralink/mdio_rt2880.h
42  create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.c
43  create mode 100644 drivers/net/ethernet/ralink/ralink_soc_eth.h
44  create mode 100644 drivers/net/ethernet/ralink/soc_mt7620.c
45  create mode 100644 drivers/net/ethernet/ralink/soc_rt2880.c
46  create mode 100644 drivers/net/ethernet/ralink/soc_rt305x.c
47  create mode 100644 drivers/net/ethernet/ralink/soc_rt3883.c
48
49 Index: linux-3.10.18/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h
50 ===================================================================
51 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
52 +++ linux-3.10.18/arch/mips/include/asm/mach-ralink/rt305x_esw_platform.h       2013-11-19 11:15:38.964470794 +0100
53 @@ -0,0 +1,27 @@
54 +/*
55 + *  Ralink RT305x SoC platform device registration
56 + *
57 + *  Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
58 + *
59 + *  This program is free software; you can redistribute it and/or modify it
60 + *  under the terms of the GNU General Public License version 2 as published
61 + *  by the Free Software Foundation.
62 + */
63 +
64 +#ifndef _RT305X_ESW_PLATFORM_H
65 +#define _RT305X_ESW_PLATFORM_H
66 +
67 +enum {
68 +       RT305X_ESW_VLAN_CONFIG_NONE = 0,
69 +       RT305X_ESW_VLAN_CONFIG_LLLLW,
70 +       RT305X_ESW_VLAN_CONFIG_WLLLL,
71 +};
72 +
73 +struct rt305x_esw_platform_data
74 +{
75 +       u8 vlan_config;
76 +       u32 reg_initval_fct2;
77 +       u32 reg_initval_fpa2;
78 +};
79 +
80 +#endif /* _RT305X_ESW_PLATFORM_H */
81 Index: linux-3.10.18/arch/mips/ralink/rt305x.c
82 ===================================================================
83 --- linux-3.10.18.orig/arch/mips/ralink/rt305x.c        2013-11-04 13:31:29.000000000 +0100
84 +++ linux-3.10.18/arch/mips/ralink/rt305x.c     2013-11-21 12:04:47.524164571 +0100
85 @@ -221,6 +221,7 @@
86         }
87  
88         ralink_clk_add("cpu", cpu_rate);
89 +       ralink_clk_add("sys", sys_rate);
90         ralink_clk_add("10000b00.spi", sys_rate);
91         ralink_clk_add("10000100.timer", wdt_rate);
92         ralink_clk_add("10000120.watchdog", wdt_rate);
93 Index: linux-3.10.18/drivers/net/ethernet/Kconfig
94 ===================================================================
95 --- linux-3.10.18.orig/drivers/net/ethernet/Kconfig     2013-11-04 13:31:29.000000000 +0100
96 +++ linux-3.10.18/drivers/net/ethernet/Kconfig  2013-11-19 11:15:38.964470794 +0100
97 @@ -135,6 +135,7 @@
98  source "drivers/net/ethernet/packetengines/Kconfig"
99  source "drivers/net/ethernet/pasemi/Kconfig"
100  source "drivers/net/ethernet/qlogic/Kconfig"
101 +source "drivers/net/ethernet/ralink/Kconfig"
102  source "drivers/net/ethernet/realtek/Kconfig"
103  source "drivers/net/ethernet/renesas/Kconfig"
104  source "drivers/net/ethernet/rdc/Kconfig"
105 Index: linux-3.10.18/drivers/net/ethernet/Makefile
106 ===================================================================
107 --- linux-3.10.18.orig/drivers/net/ethernet/Makefile    2013-11-04 13:31:29.000000000 +0100
108 +++ linux-3.10.18/drivers/net/ethernet/Makefile 2013-11-19 11:15:38.964470794 +0100
109 @@ -53,6 +53,7 @@
110  obj-$(CONFIG_NET_PACKET_ENGINE) += packetengines/
111  obj-$(CONFIG_NET_VENDOR_PASEMI) += pasemi/
112  obj-$(CONFIG_NET_VENDOR_QLOGIC) += qlogic/
113 +obj-$(CONFIG_NET_RALINK) += ralink/
114  obj-$(CONFIG_NET_VENDOR_REALTEK) += realtek/
115  obj-$(CONFIG_SH_ETH) += renesas/
116  obj-$(CONFIG_NET_VENDOR_RDC) += rdc/
117 Index: linux-3.10.18/drivers/net/ethernet/ralink/Kconfig
118 ===================================================================
119 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
120 +++ linux-3.10.18/drivers/net/ethernet/ralink/Kconfig   2013-11-19 11:15:38.964470794 +0100
121 @@ -0,0 +1,31 @@
122 +config NET_RALINK
123 +       tristate "Ralink RT288X/RT3X5X/RT3662/RT3883/MT7620 ethernet driver"
124 +       depends on RALINK
125 +       help
126 +         This driver supports the ethernet mac inside the ralink wisocs
127 +
128 +if NET_RALINK
129 +
130 +config NET_RALINK_MDIO
131 +       def_bool NET_RALINK
132 +       depends on (SOC_RT288X || SOC_RT3883 || SOC_MT7620)
133 +       select PHYLIB
134 +
135 +config NET_RALINK_MDIO_RT2880
136 +       def_bool NET_RALINK
137 +       depends on (SOC_RT288X || SOC_RT3883)
138 +       select NET_RALINK_MDIO
139 +
140 +config NET_RALINK_ESW_RT3052
141 +       def_bool NET_RALINK
142 +       depends on SOC_RT305X
143 +       select PHYLIB
144 +       select SWCONFIG
145 +
146 +config NET_RALINK_GSW_MT7620
147 +       def_bool NET_RALINK
148 +       depends on SOC_MT7620
149 +       select NET_RALINK_MDIO
150 +       select PHYLIB
151 +       select SWCONFIG
152 +endif
153 Index: linux-3.10.18/drivers/net/ethernet/ralink/Makefile
154 ===================================================================
155 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
156 +++ linux-3.10.18/drivers/net/ethernet/ralink/Makefile  2013-11-19 11:15:38.964470794 +0100
157 @@ -0,0 +1,18 @@
158 +#
159 +# Makefile for the Ralink SoCs built-in ethernet macs
160 +#
161 +
162 +ralink-eth-y                                   += ralink_soc_eth.o
163 +
164 +ralink-eth-$(CONFIG_NET_RALINK_MDIO)           += mdio.o
165 +ralink-eth-$(CONFIG_NET_RALINK_MDIO_RT2880)    += mdio_rt2880.o
166 +
167 +ralink-eth-$(CONFIG_NET_RALINK_ESW_RT3052)     += esw_rt3052.o
168 +ralink-eth-$(CONFIG_NET_RALINK_GSW_MT7620)     += gsw_mt7620a.o mt7530.o
169 +
170 +ralink-eth-$(CONFIG_SOC_RT288X)                        += soc_rt2880.o
171 +ralink-eth-$(CONFIG_SOC_RT305X)                        += soc_rt305x.o
172 +ralink-eth-$(CONFIG_SOC_RT3883)                        += soc_rt3883.o
173 +ralink-eth-$(CONFIG_SOC_MT7620)                        += soc_mt7620.o
174 +
175 +obj-$(CONFIG_NET_RALINK)                       += ralink-eth.o
176 Index: linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.c
177 ===================================================================
178 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
179 +++ linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.c      2013-11-19 11:15:38.968470792 +0100
180 @@ -0,0 +1,1463 @@
181 +/*
182 + *   This program is free software; you can redistribute it and/or modify
183 + *   it under the terms of the GNU General Public License as published by
184 + *   the Free Software Foundation; version 2 of the License
185 + *
186 + *   This program is distributed in the hope that it will be useful,
187 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
188 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
189 + *   GNU General Public License for more details.
190 + *
191 + *   You should have received a copy of the GNU General Public License
192 + *   along with this program; if not, write to the Free Software
193 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
194 + *
195 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
196 + */
197 +
198 +#include <linux/module.h>
199 +#include <linux/kernel.h>
200 +#include <linux/types.h>
201 +#include <linux/dma-mapping.h>
202 +#include <linux/init.h>
203 +#include <linux/skbuff.h>
204 +#include <linux/etherdevice.h>
205 +#include <linux/ethtool.h>
206 +#include <linux/platform_device.h>
207 +#include <linux/of_device.h>
208 +#include <linux/clk.h>
209 +#include <linux/of_net.h>
210 +#include <linux/of_mdio.h>
211 +
212 +#include <asm/mach-ralink/ralink_regs.h>
213 +
214 +#include "ralink_soc_eth.h"
215 +
216 +#include <linux/ioport.h>
217 +#include <linux/switch.h>
218 +#include <linux/mii.h>
219 +
220 +#include <ralink_regs.h>
221 +#include <asm/mach-ralink/rt305x.h>
222 +#include <asm/mach-ralink/rt305x_esw_platform.h>
223 +
224 +/*
225 + * HW limitations for this switch:
226 + * - No large frame support (PKT_MAX_LEN at most 1536)
227 + * - Can't have untagged vlan and tagged vlan on one port at the same time,
228 + *   though this might be possible using the undocumented PPE.
229 + */
230 +
231 +#define RT305X_ESW_REG_ISR             0x00
232 +#define RT305X_ESW_REG_IMR             0x04
233 +#define RT305X_ESW_REG_FCT0            0x08
234 +#define RT305X_ESW_REG_PFC1            0x14
235 +#define RT305X_ESW_REG_ATS             0x24
236 +#define RT305X_ESW_REG_ATS0            0x28
237 +#define RT305X_ESW_REG_ATS1            0x2c
238 +#define RT305X_ESW_REG_ATS2            0x30
239 +#define RT305X_ESW_REG_PVIDC(_n)       (0x40 + 4 * (_n))
240 +#define RT305X_ESW_REG_VLANI(_n)       (0x50 + 4 * (_n))
241 +#define RT305X_ESW_REG_VMSC(_n)                (0x70 + 4 * (_n))
242 +#define RT305X_ESW_REG_POA             0x80
243 +#define RT305X_ESW_REG_FPA             0x84
244 +#define RT305X_ESW_REG_SOCPC           0x8c
245 +#define RT305X_ESW_REG_POC0            0x90
246 +#define RT305X_ESW_REG_POC1            0x94
247 +#define RT305X_ESW_REG_POC2            0x98
248 +#define RT305X_ESW_REG_SGC             0x9c
249 +#define RT305X_ESW_REG_STRT            0xa0
250 +#define RT305X_ESW_REG_PCR0            0xc0
251 +#define RT305X_ESW_REG_PCR1            0xc4
252 +#define RT305X_ESW_REG_FPA2            0xc8
253 +#define RT305X_ESW_REG_FCT2            0xcc
254 +#define RT305X_ESW_REG_SGC2            0xe4
255 +#define RT305X_ESW_REG_P0LED           0xa4
256 +#define RT305X_ESW_REG_P1LED           0xa8
257 +#define RT305X_ESW_REG_P2LED           0xac
258 +#define RT305X_ESW_REG_P3LED           0xb0
259 +#define RT305X_ESW_REG_P4LED           0xb4
260 +#define RT305X_ESW_REG_PXPC(_x)                (0xe8 + (4 * _x))
261 +#define RT305X_ESW_REG_P1PC            0xec
262 +#define RT305X_ESW_REG_P2PC            0xf0
263 +#define RT305X_ESW_REG_P3PC            0xf4
264 +#define RT305X_ESW_REG_P4PC            0xf8
265 +#define RT305X_ESW_REG_P5PC            0xfc
266 +
267 +#define RT305X_ESW_LED_LINK            0
268 +#define RT305X_ESW_LED_100M            1
269 +#define RT305X_ESW_LED_DUPLEX          2
270 +#define RT305X_ESW_LED_ACTIVITY                3
271 +#define RT305X_ESW_LED_COLLISION       4
272 +#define RT305X_ESW_LED_LINKACT         5
273 +#define RT305X_ESW_LED_DUPLCOLL                6
274 +#define RT305X_ESW_LED_10MACT          7
275 +#define RT305X_ESW_LED_100MACT         8
276 +/* Additional led states not in datasheet: */
277 +#define RT305X_ESW_LED_BLINK           10
278 +#define RT305X_ESW_LED_ON              12
279 +
280 +#define RT305X_ESW_LINK_S              25
281 +#define RT305X_ESW_DUPLEX_S            9
282 +#define RT305X_ESW_SPD_S               0
283 +
284 +#define RT305X_ESW_PCR0_WT_NWAY_DATA_S 16
285 +#define RT305X_ESW_PCR0_WT_PHY_CMD     BIT(13)
286 +#define RT305X_ESW_PCR0_CPU_PHY_REG_S  8
287 +
288 +#define RT305X_ESW_PCR1_WT_DONE                BIT(0)
289 +
290 +#define RT305X_ESW_ATS_TIMEOUT         (5 * HZ)
291 +#define RT305X_ESW_PHY_TIMEOUT         (5 * HZ)
292 +
293 +#define RT305X_ESW_PVIDC_PVID_M                0xfff
294 +#define RT305X_ESW_PVIDC_PVID_S                12
295 +
296 +#define RT305X_ESW_VLANI_VID_M         0xfff
297 +#define RT305X_ESW_VLANI_VID_S         12
298 +
299 +#define RT305X_ESW_VMSC_MSC_M          0xff
300 +#define RT305X_ESW_VMSC_MSC_S          8
301 +
302 +#define RT305X_ESW_SOCPC_DISUN2CPU_S   0
303 +#define RT305X_ESW_SOCPC_DISMC2CPU_S   8
304 +#define RT305X_ESW_SOCPC_DISBC2CPU_S   16
305 +#define RT305X_ESW_SOCPC_CRC_PADDING   BIT(25)
306 +
307 +#define RT305X_ESW_POC0_EN_BP_S                0
308 +#define RT305X_ESW_POC0_EN_FC_S                8
309 +#define RT305X_ESW_POC0_DIS_RMC2CPU_S  16
310 +#define RT305X_ESW_POC0_DIS_PORT_M     0x7f
311 +#define RT305X_ESW_POC0_DIS_PORT_S     23
312 +
313 +#define RT305X_ESW_POC2_UNTAG_EN_M     0xff
314 +#define RT305X_ESW_POC2_UNTAG_EN_S     0
315 +#define RT305X_ESW_POC2_ENAGING_S      8
316 +#define RT305X_ESW_POC2_DIS_UC_PAUSE_S 16
317 +
318 +#define RT305X_ESW_SGC2_DOUBLE_TAG_M   0x7f
319 +#define RT305X_ESW_SGC2_DOUBLE_TAG_S   0
320 +#define RT305X_ESW_SGC2_LAN_PMAP_M     0x3f
321 +#define RT305X_ESW_SGC2_LAN_PMAP_S     24
322 +
323 +#define RT305X_ESW_PFC1_EN_VLAN_M      0xff
324 +#define RT305X_ESW_PFC1_EN_VLAN_S      16
325 +#define RT305X_ESW_PFC1_EN_TOS_S       24
326 +
327 +#define RT305X_ESW_VLAN_NONE           0xfff
328 +
329 +#define RT305X_ESW_GSC_BC_STROM_MASK   0x3
330 +#define RT305X_ESW_GSC_BC_STROM_SHIFT  4
331 +
332 +#define RT305X_ESW_GSC_LED_FREQ_MASK   0x3
333 +#define RT305X_ESW_GSC_LED_FREQ_SHIFT  23
334 +
335 +#define RT305X_ESW_POA_LINK_MASK       0x1f
336 +#define RT305X_ESW_POA_LINK_SHIFT      25
337 +
338 +#define RT305X_ESW_PORT_ST_CHG         BIT(26)
339 +#define RT305X_ESW_PORT0               0
340 +#define RT305X_ESW_PORT1               1
341 +#define RT305X_ESW_PORT2               2
342 +#define RT305X_ESW_PORT3               3
343 +#define RT305X_ESW_PORT4               4
344 +#define RT305X_ESW_PORT5               5
345 +#define RT305X_ESW_PORT6               6
346 +
347 +#define RT305X_ESW_PORTS_NONE          0
348 +
349 +#define RT305X_ESW_PMAP_LLLLLL         0x3f
350 +#define RT305X_ESW_PMAP_LLLLWL         0x2f
351 +#define RT305X_ESW_PMAP_WLLLLL         0x3e
352 +
353 +#define RT305X_ESW_PORTS_INTERNAL                                      \
354 +               (BIT(RT305X_ESW_PORT0) | BIT(RT305X_ESW_PORT1) |        \
355 +                BIT(RT305X_ESW_PORT2) | BIT(RT305X_ESW_PORT3) |        \
356 +                BIT(RT305X_ESW_PORT4))
357 +
358 +#define RT305X_ESW_PORTS_NOCPU                                         \
359 +               (RT305X_ESW_PORTS_INTERNAL | BIT(RT305X_ESW_PORT5))
360 +
361 +#define RT305X_ESW_PORTS_CPU   BIT(RT305X_ESW_PORT6)
362 +
363 +#define RT305X_ESW_PORTS_ALL                                           \
364 +               (RT305X_ESW_PORTS_NOCPU | RT305X_ESW_PORTS_CPU)
365 +
366 +#define RT305X_ESW_NUM_VLANS           16
367 +#define RT305X_ESW_NUM_VIDS            4096
368 +#define RT305X_ESW_NUM_PORTS           7
369 +#define RT305X_ESW_NUM_LANWAN          6
370 +#define RT305X_ESW_NUM_LEDS            5
371 +
372 +#define RT5350_ESW_REG_PXTPC(_x)       (0x150 + (4 * _x))
373 +#define RT5350_EWS_REG_LED_POLARITY    0x168
374 +#define RT5350_RESET_EPHY              BIT(24)
375 +#define SYSC_REG_RESET_CTRL            0x34
376 +
377 +enum {
378 +       /* Global attributes. */
379 +       RT305X_ESW_ATTR_ENABLE_VLAN,
380 +       RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
381 +       RT305X_ESW_ATTR_BC_STATUS,
382 +       RT305X_ESW_ATTR_LED_FREQ,
383 +       /* Port attributes. */
384 +       RT305X_ESW_ATTR_PORT_DISABLE,
385 +       RT305X_ESW_ATTR_PORT_DOUBLETAG,
386 +       RT305X_ESW_ATTR_PORT_UNTAG,
387 +       RT305X_ESW_ATTR_PORT_LED,
388 +       RT305X_ESW_ATTR_PORT_LAN,
389 +       RT305X_ESW_ATTR_PORT_RECV_BAD,
390 +       RT305X_ESW_ATTR_PORT_RECV_GOOD,
391 +       RT5350_ESW_ATTR_PORT_TR_BAD,
392 +       RT5350_ESW_ATTR_PORT_TR_GOOD,
393 +};
394 +
395 +struct esw_port {
396 +       bool    disable;
397 +       bool    doubletag;
398 +       bool    untag;
399 +       u8      led;
400 +       u16     pvid;
401 +};
402 +
403 +struct esw_vlan {
404 +       u8      ports;
405 +       u16     vid;
406 +};
407 +
408 +struct rt305x_esw {
409 +       struct device           *dev;
410 +       void __iomem            *base;
411 +       int                     irq;
412 +       const struct rt305x_esw_platform_data *pdata;
413 +       /* Protects against concurrent register rmw operations. */
414 +       spinlock_t              reg_rw_lock;
415 +
416 +       unsigned char           port_map;
417 +       unsigned int            reg_initval_fct2;
418 +       unsigned int            reg_initval_fpa2;
419 +       unsigned int            reg_led_polarity;
420 +
421 +
422 +       struct switch_dev       swdev;
423 +       bool                    global_vlan_enable;
424 +       bool                    alt_vlan_disable;
425 +       int                     bc_storm_protect;
426 +       int                     led_frequency;
427 +       struct esw_vlan vlans[RT305X_ESW_NUM_VLANS];
428 +       struct esw_port ports[RT305X_ESW_NUM_PORTS];
429 +
430 +};
431 +
432 +static inline void esw_w32(struct rt305x_esw *esw, u32 val, unsigned reg)
433 +{
434 +       __raw_writel(val, esw->base + reg);
435 +}
436 +
437 +static inline u32 esw_r32(struct rt305x_esw *esw, unsigned reg)
438 +{
439 +       return __raw_readl(esw->base + reg);
440 +}
441 +
442 +static inline void esw_rmw_raw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
443 +                  unsigned long val)
444 +{
445 +       unsigned long t;
446 +
447 +       t = __raw_readl(esw->base + reg) & ~mask;
448 +       __raw_writel(t | val, esw->base + reg);
449 +}
450 +
451 +static void esw_rmw(struct rt305x_esw *esw, unsigned reg, unsigned long mask,
452 +              unsigned long val)
453 +{
454 +       unsigned long flags;
455 +
456 +       spin_lock_irqsave(&esw->reg_rw_lock, flags);
457 +       esw_rmw_raw(esw, reg, mask, val);
458 +       spin_unlock_irqrestore(&esw->reg_rw_lock, flags);
459 +}
460 +
461 +static u32 rt305x_mii_write(struct rt305x_esw *esw, u32 phy_addr, u32 phy_register,
462 +                u32 write_data)
463 +{
464 +       unsigned long t_start = jiffies;
465 +       int ret = 0;
466 +
467 +       while (1) {
468 +               if (!(esw_r32(esw, RT305X_ESW_REG_PCR1) &
469 +                     RT305X_ESW_PCR1_WT_DONE))
470 +                       break;
471 +               if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
472 +                       ret = 1;
473 +                       goto out;
474 +               }
475 +       }
476 +
477 +       write_data &= 0xffff;
478 +       esw_w32(esw,
479 +                     (write_data << RT305X_ESW_PCR0_WT_NWAY_DATA_S) |
480 +                     (phy_register << RT305X_ESW_PCR0_CPU_PHY_REG_S) |
481 +                     (phy_addr) | RT305X_ESW_PCR0_WT_PHY_CMD,
482 +                     RT305X_ESW_REG_PCR0);
483 +
484 +       t_start = jiffies;
485 +       while (1) {
486 +               if (esw_r32(esw, RT305X_ESW_REG_PCR1) &
487 +                   RT305X_ESW_PCR1_WT_DONE)
488 +                       break;
489 +
490 +               if (time_after(jiffies, t_start + RT305X_ESW_PHY_TIMEOUT)) {
491 +                       ret = 1;
492 +                       break;
493 +               }
494 +       }
495 +out:
496 +       if (ret)
497 +               printk(KERN_ERR "ramips_eth: MDIO timeout\n");
498 +       return ret;
499 +}
500 +
501 +static unsigned esw_get_vlan_id(struct rt305x_esw *esw, unsigned vlan)
502 +{
503 +       unsigned s;
504 +       unsigned val;
505 +
506 +       s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
507 +       val = esw_r32(esw, RT305X_ESW_REG_VLANI(vlan / 2));
508 +       val = (val >> s) & RT305X_ESW_VLANI_VID_M;
509 +
510 +       return val;
511 +}
512 +
513 +static void esw_set_vlan_id(struct rt305x_esw *esw, unsigned vlan, unsigned vid)
514 +{
515 +       unsigned s;
516 +
517 +       s = RT305X_ESW_VLANI_VID_S * (vlan % 2);
518 +       esw_rmw(esw,
519 +                      RT305X_ESW_REG_VLANI(vlan / 2),
520 +                      RT305X_ESW_VLANI_VID_M << s,
521 +                      (vid & RT305X_ESW_VLANI_VID_M) << s);
522 +}
523 +
524 +static unsigned esw_get_pvid(struct rt305x_esw *esw, unsigned port)
525 +{
526 +       unsigned s, val;
527 +
528 +       s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
529 +       val = esw_r32(esw, RT305X_ESW_REG_PVIDC(port / 2));
530 +       return (val >> s) & RT305X_ESW_PVIDC_PVID_M;
531 +}
532 +
533 +static void esw_set_pvid(struct rt305x_esw *esw, unsigned port, unsigned pvid)
534 +{
535 +       unsigned s;
536 +
537 +       s = RT305X_ESW_PVIDC_PVID_S * (port % 2);
538 +       esw_rmw(esw,
539 +                      RT305X_ESW_REG_PVIDC(port / 2),
540 +                      RT305X_ESW_PVIDC_PVID_M << s,
541 +                      (pvid & RT305X_ESW_PVIDC_PVID_M) << s);
542 +}
543 +
544 +static unsigned esw_get_vmsc(struct rt305x_esw *esw, unsigned vlan)
545 +{
546 +       unsigned s, val;
547 +
548 +       s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
549 +       val = esw_r32(esw, RT305X_ESW_REG_VMSC(vlan / 4));
550 +       val = (val >> s) & RT305X_ESW_VMSC_MSC_M;
551 +
552 +       return val;
553 +}
554 +
555 +static void esw_set_vmsc(struct rt305x_esw *esw, unsigned vlan, unsigned msc)
556 +{
557 +       unsigned s;
558 +
559 +       s = RT305X_ESW_VMSC_MSC_S * (vlan % 4);
560 +       esw_rmw(esw,
561 +                      RT305X_ESW_REG_VMSC(vlan / 4),
562 +                      RT305X_ESW_VMSC_MSC_M << s,
563 +                      (msc & RT305X_ESW_VMSC_MSC_M) << s);
564 +}
565 +
566 +static unsigned esw_get_port_disable(struct rt305x_esw *esw)
567 +{
568 +       unsigned reg;
569 +       reg = esw_r32(esw, RT305X_ESW_REG_POC0);
570 +       return (reg >> RT305X_ESW_POC0_DIS_PORT_S) &
571 +              RT305X_ESW_POC0_DIS_PORT_M;
572 +}
573 +
574 +static void esw_set_port_disable(struct rt305x_esw *esw, unsigned disable_mask)
575 +{
576 +       unsigned old_mask;
577 +       unsigned enable_mask;
578 +       unsigned changed;
579 +       int i;
580 +
581 +       old_mask = esw_get_port_disable(esw);
582 +       changed = old_mask ^ disable_mask;
583 +       enable_mask = old_mask & disable_mask;
584 +
585 +       /* enable before writing to MII */
586 +       esw_rmw(esw, RT305X_ESW_REG_POC0,
587 +                      (RT305X_ESW_POC0_DIS_PORT_M <<
588 +                       RT305X_ESW_POC0_DIS_PORT_S),
589 +                      enable_mask << RT305X_ESW_POC0_DIS_PORT_S);
590 +
591 +       for (i = 0; i < RT305X_ESW_NUM_LEDS; i++) {
592 +               if (!(changed & (1 << i)))
593 +                       continue;
594 +               if (disable_mask & (1 << i)) {
595 +                       /* disable */
596 +                       rt305x_mii_write(esw, i, MII_BMCR,
597 +                                        BMCR_PDOWN);
598 +               } else {
599 +                       /* enable */
600 +                       rt305x_mii_write(esw, i, MII_BMCR,
601 +                                        BMCR_FULLDPLX |
602 +                                        BMCR_ANENABLE |
603 +                                        BMCR_ANRESTART |
604 +                                        BMCR_SPEED100);
605 +               }
606 +       }
607 +
608 +       /* disable after writing to MII */
609 +       esw_rmw(esw, RT305X_ESW_REG_POC0,
610 +                      (RT305X_ESW_POC0_DIS_PORT_M <<
611 +                       RT305X_ESW_POC0_DIS_PORT_S),
612 +                      disable_mask << RT305X_ESW_POC0_DIS_PORT_S);
613 +}
614 +
615 +static void esw_set_gsc(struct rt305x_esw *esw)
616 +{
617 +       esw_rmw(esw, RT305X_ESW_REG_SGC,
618 +               RT305X_ESW_GSC_BC_STROM_MASK << RT305X_ESW_GSC_BC_STROM_SHIFT,
619 +               esw->bc_storm_protect << RT305X_ESW_GSC_BC_STROM_SHIFT);
620 +       esw_rmw(esw, RT305X_ESW_REG_SGC,
621 +               RT305X_ESW_GSC_LED_FREQ_MASK << RT305X_ESW_GSC_LED_FREQ_SHIFT,
622 +               esw->led_frequency << RT305X_ESW_GSC_LED_FREQ_SHIFT);
623 +}
624 +
625 +static int esw_apply_config(struct switch_dev *dev);
626 +
627 +static void esw_hw_init(struct rt305x_esw *esw)
628 +{
629 +       int i;
630 +       u8 port_disable = 0;
631 +       u8 port_map = RT305X_ESW_PMAP_LLLLLL;
632 +
633 +       /* vodoo from original driver */
634 +       esw_w32(esw, 0xC8A07850, RT305X_ESW_REG_FCT0);
635 +       esw_w32(esw, 0x00000000, RT305X_ESW_REG_SGC2);
636 +       /* Port priority 1 for all ports, vlan enabled. */
637 +       esw_w32(esw, 0x00005555 |
638 +                     (RT305X_ESW_PORTS_ALL << RT305X_ESW_PFC1_EN_VLAN_S),
639 +                     RT305X_ESW_REG_PFC1);
640 +
641 +       /* Enable Back Pressure, and Flow Control */
642 +       esw_w32(esw,
643 +                     ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_BP_S) |
644 +                      (RT305X_ESW_PORTS_ALL << RT305X_ESW_POC0_EN_FC_S)),
645 +                     RT305X_ESW_REG_POC0);
646 +
647 +       /* Enable Aging, and VLAN TAG removal */
648 +       esw_w32(esw,
649 +                     ((RT305X_ESW_PORTS_ALL << RT305X_ESW_POC2_ENAGING_S) |
650 +                      (RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
651 +                     RT305X_ESW_REG_POC2);
652 +
653 +       if (esw->reg_initval_fct2)
654 +               esw_w32(esw, esw->reg_initval_fct2, RT305X_ESW_REG_FCT2);
655 +       else
656 +               esw_w32(esw, esw->pdata->reg_initval_fct2, RT305X_ESW_REG_FCT2);
657 +
658 +       /*
659 +        * 300s aging timer, max packet len 1536, broadcast storm prevention
660 +        * disabled, disable collision abort, mac xor48 hash, 10 packet back
661 +        * pressure jam, GMII disable was_transmit, back pressure disabled,
662 +        * 30ms led flash, unmatched IGMP as broadcast, rmc tb fault to all
663 +        * ports.
664 +        */
665 +       esw_w32(esw, 0x0008a301, RT305X_ESW_REG_SGC);
666 +
667 +       /* Setup SoC Port control register */
668 +       esw_w32(esw,
669 +                     (RT305X_ESW_SOCPC_CRC_PADDING |
670 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISUN2CPU_S) |
671 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISMC2CPU_S) |
672 +                      (RT305X_ESW_PORTS_CPU << RT305X_ESW_SOCPC_DISBC2CPU_S)),
673 +                     RT305X_ESW_REG_SOCPC);
674 +
675 +       if (esw->reg_initval_fpa2)
676 +               esw_w32(esw, esw->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
677 +       else
678 +               esw_w32(esw, esw->pdata->reg_initval_fpa2, RT305X_ESW_REG_FPA2);
679 +       esw_w32(esw, 0x00000000, RT305X_ESW_REG_FPA);
680 +
681 +       /* Force Link/Activity on ports */
682 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P0LED);
683 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P1LED);
684 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P2LED);
685 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P3LED);
686 +       esw_w32(esw, 0x00000005, RT305X_ESW_REG_P4LED);
687 +
688 +       /* Copy disabled port configuration from bootloader setup */
689 +       port_disable = esw_get_port_disable(esw);
690 +       for (i = 0; i < 6; i++)
691 +               esw->ports[i].disable = (port_disable & (1 << i)) != 0;
692 +
693 +       if (soc_is_rt3352()) {
694 +               /* reset EPHY */
695 +               u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
696 +               rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
697 +               rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
698 +
699 +               rt305x_mii_write(esw, 0, 31, 0x8000);
700 +               for (i = 0; i < 5; i++) {
701 +                       if (esw->ports[i].disable) {
702 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
703 +                       } else {
704 +                               rt305x_mii_write(esw, i, MII_BMCR,
705 +                                        BMCR_FULLDPLX |
706 +                                        BMCR_ANENABLE |
707 +                                        BMCR_SPEED100);
708 +                       }
709 +                       /* TX10 waveform coefficient LSB=0 disable PHY */
710 +                       rt305x_mii_write(esw, i, 26, 0x1601);
711 +                       /* TX100/TX10 AD/DA current bias */
712 +                       rt305x_mii_write(esw, i, 29, 0x7016);
713 +                       /* TX100 slew rate control */
714 +                       rt305x_mii_write(esw, i, 30, 0x0038);
715 +               }
716 +
717 +               /* select global register */
718 +               rt305x_mii_write(esw, 0, 31, 0x0);
719 +               /* enlarge agcsel threshold 3 and threshold 2 */
720 +               rt305x_mii_write(esw, 0, 1, 0x4a40);
721 +               /* enlarge agcsel threshold 5 and threshold 4 */
722 +               rt305x_mii_write(esw, 0, 2, 0x6254);
723 +               /* enlarge agcsel threshold  */
724 +               rt305x_mii_write(esw, 0, 3, 0xa17f);
725 +               rt305x_mii_write(esw, 0,12, 0x7eaa);
726 +               /* longer TP_IDL tail length */
727 +               rt305x_mii_write(esw, 0, 14, 0x65);
728 +               /* increased squelch pulse count threshold. */
729 +               rt305x_mii_write(esw, 0, 16, 0x0684);
730 +               /* set TX10 signal amplitude threshold to minimum */
731 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
732 +               /* set squelch amplitude to higher threshold */
733 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
734 +               /* tune TP_IDL tail and head waveform, enable power down slew rate control */
735 +               rt305x_mii_write(esw, 0, 22, 0x253f);
736 +               /* set PLL/Receive bias current are calibrated */
737 +               rt305x_mii_write(esw, 0, 27, 0x2fda);
738 +               /* change PLL/Receive bias current to internal(RT3350) */
739 +               rt305x_mii_write(esw, 0, 28, 0xc410);
740 +               /* change PLL bias current to internal(RT3052_MP3) */
741 +               rt305x_mii_write(esw, 0, 29, 0x598b);
742 +               /* select local register */
743 +               rt305x_mii_write(esw, 0, 31, 0x8000);
744 +       } else if (soc_is_rt5350()) {
745 +               /* reset EPHY */
746 +               u32 val = rt_sysc_r32(SYSC_REG_RESET_CTRL);
747 +               rt_sysc_w32(val | RT5350_RESET_EPHY, SYSC_REG_RESET_CTRL);
748 +               rt_sysc_w32(val, SYSC_REG_RESET_CTRL);
749 +
750 +               /* set the led polarity */
751 +               esw_w32(esw, esw->reg_led_polarity & 0x1F, RT5350_EWS_REG_LED_POLARITY);
752 +
753 +               /* local registers */
754 +               rt305x_mii_write(esw, 0, 31, 0x8000);
755 +               for (i = 0; i < 5; i++) {
756 +                       if (esw->ports[i].disable) {
757 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
758 +                       } else {
759 +                               rt305x_mii_write(esw, i, MII_BMCR,
760 +                                        BMCR_FULLDPLX |
761 +                                        BMCR_ANENABLE |
762 +                                        BMCR_SPEED100);
763 +                       }
764 +                       /* TX10 waveform coefficient LSB=0 disable PHY */
765 +                       rt305x_mii_write(esw, i, 26, 0x1601);
766 +                       /* TX100/TX10 AD/DA current bias */
767 +                       rt305x_mii_write(esw, i, 29, 0x7015);
768 +                       /* TX100 slew rate control */
769 +                       rt305x_mii_write(esw, i, 30, 0x0038);
770 +               }
771 +
772 +               /* global registers */
773 +               rt305x_mii_write(esw, 0, 31, 0x0);
774 +               /* enlarge agcsel threshold 3 and threshold 2 */
775 +               rt305x_mii_write(esw, 0, 1, 0x4a40);
776 +               /* enlarge agcsel threshold 5 and threshold 4 */
777 +               rt305x_mii_write(esw, 0, 2, 0x6254);
778 +               /* enlarge agcsel threshold 6 */
779 +               rt305x_mii_write(esw, 0, 3, 0xa17f);
780 +               rt305x_mii_write(esw, 0, 12, 0x7eaa);
781 +               /* longer TP_IDL tail length */
782 +               rt305x_mii_write(esw, 0, 14, 0x65);
783 +               /* increased squelch pulse count threshold. */
784 +               rt305x_mii_write(esw, 0, 16, 0x0684);
785 +               /* set TX10 signal amplitude threshold to minimum */
786 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
787 +               /* set squelch amplitude to higher threshold */
788 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
789 +               /* tune TP_IDL tail and head waveform, enable power down slew rate control */
790 +               rt305x_mii_write(esw, 0, 22, 0x253f);
791 +               /* set PLL/Receive bias current are calibrated */
792 +               rt305x_mii_write(esw, 0, 27, 0x2fda);
793 +               /* change PLL/Receive bias current to internal(RT3350) */
794 +               rt305x_mii_write(esw, 0, 28, 0xc410);
795 +               /* change PLL bias current to internal(RT3052_MP3) */
796 +               rt305x_mii_write(esw, 0, 29, 0x598b);
797 +               /* select local register */
798 +               rt305x_mii_write(esw, 0, 31, 0x8000);
799 +       } else {
800 +               rt305x_mii_write(esw, 0, 31, 0x8000);
801 +               for (i = 0; i < 5; i++) {
802 +                       if (esw->ports[i].disable) {
803 +                               rt305x_mii_write(esw, i, MII_BMCR, BMCR_PDOWN);
804 +                       } else {
805 +                               rt305x_mii_write(esw, i, MII_BMCR,
806 +                                        BMCR_FULLDPLX |
807 +                                        BMCR_ANENABLE |
808 +                                        BMCR_SPEED100);
809 +                       }
810 +                       /* TX10 waveform coefficient */
811 +                       rt305x_mii_write(esw, i, 26, 0x1601);
812 +                       /* TX100/TX10 AD/DA current bias */
813 +                       rt305x_mii_write(esw, i, 29, 0x7058);
814 +                       /* TX100 slew rate control */
815 +                       rt305x_mii_write(esw, i, 30, 0x0018);
816 +               }
817 +
818 +               /* PHY IOT */
819 +               /* select global register */
820 +               rt305x_mii_write(esw, 0, 31, 0x0);
821 +               /* tune TP_IDL tail and head waveform */
822 +               rt305x_mii_write(esw, 0, 22, 0x052f);
823 +               /* set TX10 signal amplitude threshold to minimum */
824 +               rt305x_mii_write(esw, 0, 17, 0x0fe0);
825 +               /* set squelch amplitude to higher threshold */
826 +               rt305x_mii_write(esw, 0, 18, 0x40ba);
827 +               /* longer TP_IDL tail length */
828 +               rt305x_mii_write(esw, 0, 14, 0x65);
829 +               /* select local register */
830 +               rt305x_mii_write(esw, 0, 31, 0x8000);
831 +       }
832 +
833 +       if (esw->port_map)
834 +               port_map = esw->port_map;
835 +       else
836 +               port_map = RT305X_ESW_PMAP_LLLLLL;
837 +
838 +       /*
839 +        * Unused HW feature, but still nice to be consistent here...
840 +        * This is also exported to userspace ('lan' attribute) so it's
841 +        * conveniently usable to decide which ports go into the wan vlan by
842 +        * default.
843 +        */
844 +       esw_rmw(esw, RT305X_ESW_REG_SGC2,
845 +                      RT305X_ESW_SGC2_LAN_PMAP_M << RT305X_ESW_SGC2_LAN_PMAP_S,
846 +                      port_map << RT305X_ESW_SGC2_LAN_PMAP_S);
847 +
848 +       /* make the switch leds blink */
849 +       for (i = 0; i < RT305X_ESW_NUM_LEDS; i++)
850 +               esw->ports[i].led = 0x05;
851 +
852 +       /* Apply the empty config. */
853 +       esw_apply_config(&esw->swdev);
854 +
855 +       /* Only unmask the port change interrupt */
856 +       esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
857 +}
858 +
859 +static irqreturn_t esw_interrupt(int irq, void *_esw)
860 +{
861 +       struct rt305x_esw *esw = (struct rt305x_esw *) _esw;
862 +       u32 status;
863 +
864 +       status = esw_r32(esw, RT305X_ESW_REG_ISR);
865 +       if (status & RT305X_ESW_PORT_ST_CHG) {
866 +               u32 link = esw_r32(esw, RT305X_ESW_REG_POA);
867 +               link >>= RT305X_ESW_POA_LINK_SHIFT;
868 +               link &= RT305X_ESW_POA_LINK_MASK;
869 +               dev_info(esw->dev, "link changed 0x%02X\n", link);
870 +       }
871 +       esw_w32(esw, status, RT305X_ESW_REG_ISR);
872 +
873 +       return IRQ_HANDLED;
874 +}
875 +
876 +static int esw_apply_config(struct switch_dev *dev)
877 +{
878 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
879 +       int i;
880 +       u8 disable = 0;
881 +       u8 doubletag = 0;
882 +       u8 en_vlan = 0;
883 +       u8 untag = 0;
884 +
885 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
886 +               u32 vid, vmsc;
887 +               if (esw->global_vlan_enable) {
888 +                       vid = esw->vlans[i].vid;
889 +                       vmsc = esw->vlans[i].ports;
890 +               } else {
891 +                       vid = RT305X_ESW_VLAN_NONE;
892 +                       vmsc = RT305X_ESW_PORTS_NONE;
893 +               }
894 +               esw_set_vlan_id(esw, i, vid);
895 +               esw_set_vmsc(esw, i, vmsc);
896 +       }
897 +
898 +       for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
899 +               u32 pvid;
900 +               disable |= esw->ports[i].disable << i;
901 +               if (esw->global_vlan_enable) {
902 +                       doubletag |= esw->ports[i].doubletag << i;
903 +                       en_vlan   |= 1                       << i;
904 +                       untag     |= esw->ports[i].untag     << i;
905 +                       pvid       = esw->ports[i].pvid;
906 +               } else {
907 +                       int x = esw->alt_vlan_disable ? 0 : 1;
908 +                       doubletag |= x << i;
909 +                       en_vlan   |= x << i;
910 +                       untag     |= x << i;
911 +                       pvid       = 0;
912 +               }
913 +               esw_set_pvid(esw, i, pvid);
914 +               if (i < RT305X_ESW_NUM_LEDS)
915 +                       esw_w32(esw, esw->ports[i].led,
916 +                                     RT305X_ESW_REG_P0LED + 4*i);
917 +       }
918 +
919 +       esw_set_gsc(esw);
920 +       esw_set_port_disable(esw, disable);
921 +       esw_rmw(esw, RT305X_ESW_REG_SGC2,
922 +                      (RT305X_ESW_SGC2_DOUBLE_TAG_M <<
923 +                       RT305X_ESW_SGC2_DOUBLE_TAG_S),
924 +                      doubletag << RT305X_ESW_SGC2_DOUBLE_TAG_S);
925 +       esw_rmw(esw, RT305X_ESW_REG_PFC1,
926 +                      RT305X_ESW_PFC1_EN_VLAN_M << RT305X_ESW_PFC1_EN_VLAN_S,
927 +                      en_vlan << RT305X_ESW_PFC1_EN_VLAN_S);
928 +       esw_rmw(esw, RT305X_ESW_REG_POC2,
929 +                      RT305X_ESW_POC2_UNTAG_EN_M << RT305X_ESW_POC2_UNTAG_EN_S,
930 +                      untag << RT305X_ESW_POC2_UNTAG_EN_S);
931 +
932 +       if (!esw->global_vlan_enable) {
933 +               /*
934 +                * Still need to put all ports into vlan 0 or they'll be
935 +                * isolated.
936 +                * NOTE: vlan 0 is special, no vlan tag is prepended
937 +                */
938 +               esw_set_vlan_id(esw, 0, 0);
939 +               esw_set_vmsc(esw, 0, RT305X_ESW_PORTS_ALL);
940 +       }
941 +
942 +       return 0;
943 +}
944 +
945 +static int esw_reset_switch(struct switch_dev *dev)
946 +{
947 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
948 +
949 +       esw->global_vlan_enable = 0;
950 +       memset(esw->ports, 0, sizeof(esw->ports));
951 +       memset(esw->vlans, 0, sizeof(esw->vlans));
952 +       esw_hw_init(esw);
953 +
954 +       return 0;
955 +}
956 +
957 +static int esw_get_vlan_enable(struct switch_dev *dev,
958 +                          const struct switch_attr *attr,
959 +                          struct switch_val *val)
960 +{
961 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
962 +
963 +       val->value.i = esw->global_vlan_enable;
964 +
965 +       return 0;
966 +}
967 +
968 +static int esw_set_vlan_enable(struct switch_dev *dev,
969 +                          const struct switch_attr *attr,
970 +                          struct switch_val *val)
971 +{
972 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
973 +
974 +       esw->global_vlan_enable = val->value.i != 0;
975 +
976 +       return 0;
977 +}
978 +
979 +static int esw_get_alt_vlan_disable(struct switch_dev *dev,
980 +                               const struct switch_attr *attr,
981 +                               struct switch_val *val)
982 +{
983 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
984 +
985 +       val->value.i = esw->alt_vlan_disable;
986 +
987 +       return 0;
988 +}
989 +
990 +static int esw_set_alt_vlan_disable(struct switch_dev *dev,
991 +                               const struct switch_attr *attr,
992 +                               struct switch_val *val)
993 +{
994 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
995 +
996 +       esw->alt_vlan_disable = val->value.i != 0;
997 +
998 +       return 0;
999 +}
1000 +
1001 +static int
1002 +rt305x_esw_set_bc_status(struct switch_dev *dev,
1003 +                       const struct switch_attr *attr,
1004 +                       struct switch_val *val)
1005 +{
1006 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1007 +
1008 +       esw->bc_storm_protect = val->value.i & RT305X_ESW_GSC_BC_STROM_MASK;
1009 +
1010 +       return 0;
1011 +}
1012 +
1013 +static int
1014 +rt305x_esw_get_bc_status(struct switch_dev *dev,
1015 +                       const struct switch_attr *attr,
1016 +                       struct switch_val *val)
1017 +{
1018 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1019 +
1020 +       val->value.i = esw->bc_storm_protect;
1021 +
1022 +       return 0;
1023 +}
1024 +
1025 +static int
1026 +rt305x_esw_set_led_freq(struct switch_dev *dev,
1027 +                       const struct switch_attr *attr,
1028 +                       struct switch_val *val)
1029 +{
1030 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1031 +
1032 +       esw->led_frequency = val->value.i & RT305X_ESW_GSC_LED_FREQ_MASK;
1033 +
1034 +       return 0;
1035 +}
1036 +
1037 +static int
1038 +rt305x_esw_get_led_freq(struct switch_dev *dev,
1039 +                       const struct switch_attr *attr,
1040 +                       struct switch_val *val)
1041 +{
1042 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1043 +
1044 +       val->value.i = esw->led_frequency;
1045 +
1046 +       return 0;
1047 +}
1048 +
1049 +static int esw_get_port_link(struct switch_dev *dev,
1050 +                        int port,
1051 +                        struct switch_port_link *link)
1052 +{
1053 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1054 +       u32 speed, poa;
1055 +
1056 +       if (port < 0 || port >= RT305X_ESW_NUM_PORTS)
1057 +               return -EINVAL;
1058 +
1059 +       poa = esw_r32(esw, RT305X_ESW_REG_POA) >> port;
1060 +
1061 +       link->link = (poa >> RT305X_ESW_LINK_S) & 1;
1062 +       link->duplex = (poa >> RT305X_ESW_DUPLEX_S) & 1;
1063 +       if (port < RT305X_ESW_NUM_LEDS) {
1064 +               speed = (poa >> RT305X_ESW_SPD_S) & 1;
1065 +       } else {
1066 +               if (port == RT305X_ESW_NUM_PORTS - 1)
1067 +                       poa >>= 1;
1068 +               speed = (poa >> RT305X_ESW_SPD_S) & 3;
1069 +       }
1070 +       switch (speed) {
1071 +       case 0:
1072 +               link->speed = SWITCH_PORT_SPEED_10;
1073 +               break;
1074 +       case 1:
1075 +               link->speed = SWITCH_PORT_SPEED_100;
1076 +               break;
1077 +       case 2:
1078 +       case 3: /* forced gige speed can be 2 or 3 */
1079 +               link->speed = SWITCH_PORT_SPEED_1000;
1080 +               break;
1081 +       default:
1082 +               link->speed = SWITCH_PORT_SPEED_UNKNOWN;
1083 +               break;
1084 +       }
1085 +
1086 +       return 0;
1087 +}
1088 +
1089 +static int esw_get_port_bool(struct switch_dev *dev,
1090 +                        const struct switch_attr *attr,
1091 +                        struct switch_val *val)
1092 +{
1093 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1094 +       int idx = val->port_vlan;
1095 +       u32 x, reg, shift;
1096 +
1097 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS)
1098 +               return -EINVAL;
1099 +
1100 +       switch (attr->id) {
1101 +       case RT305X_ESW_ATTR_PORT_DISABLE:
1102 +               reg = RT305X_ESW_REG_POC0;
1103 +               shift = RT305X_ESW_POC0_DIS_PORT_S;
1104 +               break;
1105 +       case RT305X_ESW_ATTR_PORT_DOUBLETAG:
1106 +               reg = RT305X_ESW_REG_SGC2;
1107 +               shift = RT305X_ESW_SGC2_DOUBLE_TAG_S;
1108 +               break;
1109 +       case RT305X_ESW_ATTR_PORT_UNTAG:
1110 +               reg = RT305X_ESW_REG_POC2;
1111 +               shift = RT305X_ESW_POC2_UNTAG_EN_S;
1112 +               break;
1113 +       case RT305X_ESW_ATTR_PORT_LAN:
1114 +               reg = RT305X_ESW_REG_SGC2;
1115 +               shift = RT305X_ESW_SGC2_LAN_PMAP_S;
1116 +               if (idx >= RT305X_ESW_NUM_LANWAN)
1117 +                       return -EINVAL;
1118 +               break;
1119 +       default:
1120 +               return -EINVAL;
1121 +       }
1122 +
1123 +       x = esw_r32(esw, reg);
1124 +       val->value.i = (x >> (idx + shift)) & 1;
1125 +
1126 +       return 0;
1127 +}
1128 +
1129 +static int esw_set_port_bool(struct switch_dev *dev,
1130 +                        const struct switch_attr *attr,
1131 +                        struct switch_val *val)
1132 +{
1133 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1134 +       int idx = val->port_vlan;
1135 +
1136 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
1137 +           val->value.i < 0 || val->value.i > 1)
1138 +               return -EINVAL;
1139 +
1140 +       switch (attr->id) {
1141 +       case RT305X_ESW_ATTR_PORT_DISABLE:
1142 +               esw->ports[idx].disable = val->value.i;
1143 +               break;
1144 +       case RT305X_ESW_ATTR_PORT_DOUBLETAG:
1145 +               esw->ports[idx].doubletag = val->value.i;
1146 +               break;
1147 +       case RT305X_ESW_ATTR_PORT_UNTAG:
1148 +               esw->ports[idx].untag = val->value.i;
1149 +               break;
1150 +       default:
1151 +               return -EINVAL;
1152 +       }
1153 +
1154 +       return 0;
1155 +}
1156 +
1157 +static int esw_get_port_recv_badgood(struct switch_dev *dev,
1158 +                                const struct switch_attr *attr,
1159 +                                struct switch_val *val)
1160 +{
1161 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1162 +       int idx = val->port_vlan;
1163 +       int shift = attr->id == RT305X_ESW_ATTR_PORT_RECV_GOOD ? 0 : 16;
1164 +       u32 reg;
1165 +
1166 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
1167 +               return -EINVAL;
1168 +       reg = esw_r32(esw, RT305X_ESW_REG_PXPC(idx));
1169 +       val->value.i = (reg >> shift) & 0xffff;
1170 +
1171 +       return 0;
1172 +}
1173 +
1174 +static int
1175 +esw_get_port_tr_badgood(struct switch_dev *dev,
1176 +                                const struct switch_attr *attr,
1177 +                                struct switch_val *val)
1178 +{
1179 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1180 +
1181 +       int idx = val->port_vlan;
1182 +       int shift = attr->id == RT5350_ESW_ATTR_PORT_TR_GOOD ? 0 : 16;
1183 +       u32 reg;
1184 +
1185 +       if (!soc_is_rt5350())
1186 +               return -EINVAL;
1187 +
1188 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LANWAN)
1189 +               return -EINVAL;
1190 +
1191 +       reg = esw_r32(esw, RT5350_ESW_REG_PXTPC(idx));
1192 +       val->value.i = (reg >> shift) & 0xffff;
1193 +
1194 +       return 0;
1195 +}
1196 +
1197 +static int esw_get_port_led(struct switch_dev *dev,
1198 +                       const struct switch_attr *attr,
1199 +                       struct switch_val *val)
1200 +{
1201 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1202 +       int idx = val->port_vlan;
1203 +
1204 +       if (idx < 0 || idx >= RT305X_ESW_NUM_PORTS ||
1205 +           idx >= RT305X_ESW_NUM_LEDS)
1206 +               return -EINVAL;
1207 +
1208 +       val->value.i = esw_r32(esw, RT305X_ESW_REG_P0LED + 4*idx);
1209 +
1210 +       return 0;
1211 +}
1212 +
1213 +static int esw_set_port_led(struct switch_dev *dev,
1214 +                       const struct switch_attr *attr,
1215 +                       struct switch_val *val)
1216 +{
1217 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1218 +       int idx = val->port_vlan;
1219 +
1220 +       if (idx < 0 || idx >= RT305X_ESW_NUM_LEDS)
1221 +               return -EINVAL;
1222 +
1223 +       esw->ports[idx].led = val->value.i;
1224 +
1225 +       return 0;
1226 +}
1227 +
1228 +static int esw_get_port_pvid(struct switch_dev *dev, int port, int *val)
1229 +{
1230 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1231 +
1232 +       if (port >= RT305X_ESW_NUM_PORTS)
1233 +               return -EINVAL;
1234 +
1235 +       *val = esw_get_pvid(esw, port);
1236 +
1237 +       return 0;
1238 +}
1239 +
1240 +static int esw_set_port_pvid(struct switch_dev *dev, int port, int val)
1241 +{
1242 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1243 +
1244 +       if (port >= RT305X_ESW_NUM_PORTS)
1245 +               return -EINVAL;
1246 +
1247 +       esw->ports[port].pvid = val;
1248 +
1249 +       return 0;
1250 +}
1251 +
1252 +static int esw_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
1253 +{
1254 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1255 +       u32 vmsc, poc2;
1256 +       int vlan_idx = -1;
1257 +       int i;
1258 +
1259 +       val->len = 0;
1260 +
1261 +       if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS)
1262 +               return -EINVAL;
1263 +
1264 +       /* valid vlan? */
1265 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
1266 +               if (esw_get_vlan_id(esw, i) == val->port_vlan &&
1267 +                   esw_get_vmsc(esw, i) != RT305X_ESW_PORTS_NONE) {
1268 +                       vlan_idx = i;
1269 +                       break;
1270 +               }
1271 +       }
1272 +
1273 +       if (vlan_idx == -1)
1274 +               return -EINVAL;
1275 +
1276 +       vmsc = esw_get_vmsc(esw, vlan_idx);
1277 +       poc2 = esw_r32(esw, RT305X_ESW_REG_POC2);
1278 +
1279 +       for (i = 0; i < RT305X_ESW_NUM_PORTS; i++) {
1280 +               struct switch_port *p;
1281 +               int port_mask = 1 << i;
1282 +
1283 +               if (!(vmsc & port_mask))
1284 +                       continue;
1285 +
1286 +               p = &val->value.ports[val->len++];
1287 +               p->id = i;
1288 +               if (poc2 & (port_mask << RT305X_ESW_POC2_UNTAG_EN_S))
1289 +                       p->flags = 0;
1290 +               else
1291 +                       p->flags = 1 << SWITCH_PORT_FLAG_TAGGED;
1292 +       }
1293 +
1294 +       return 0;
1295 +}
1296 +
1297 +static int esw_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
1298 +{
1299 +       struct rt305x_esw *esw = container_of(dev, struct rt305x_esw, swdev);
1300 +       int ports;
1301 +       int vlan_idx = -1;
1302 +       int i;
1303 +
1304 +       if (val->port_vlan < 0 || val->port_vlan >= RT305X_ESW_NUM_VIDS ||
1305 +           val->len > RT305X_ESW_NUM_PORTS)
1306 +               return -EINVAL;
1307 +
1308 +       /* one of the already defined vlans? */
1309 +       for (i = 0; i < RT305X_ESW_NUM_VLANS; i++) {
1310 +               if (esw->vlans[i].vid == val->port_vlan &&
1311 +                   esw->vlans[i].ports != RT305X_ESW_PORTS_NONE) {
1312 +                       vlan_idx = i;
1313 +                       break;
1314 +               }
1315 +       }
1316 +
1317 +       /* select a free slot */
1318 +       for (i = 0; vlan_idx == -1 && i < RT305X_ESW_NUM_VLANS; i++) {
1319 +               if (esw->vlans[i].ports == RT305X_ESW_PORTS_NONE)
1320 +                       vlan_idx = i;
1321 +       }
1322 +
1323 +       /* bail if all slots are in use */
1324 +       if (vlan_idx == -1)
1325 +               return -EINVAL;
1326 +
1327 +       ports = RT305X_ESW_PORTS_NONE;
1328 +       for (i = 0; i < val->len; i++) {
1329 +               struct switch_port *p = &val->value.ports[i];
1330 +               int port_mask = 1 << p->id;
1331 +               bool untagged = !(p->flags & (1 << SWITCH_PORT_FLAG_TAGGED));
1332 +
1333 +               if (p->id >= RT305X_ESW_NUM_PORTS)
1334 +                       return -EINVAL;
1335 +
1336 +               ports |= port_mask;
1337 +               esw->ports[p->id].untag = untagged;
1338 +       }
1339 +       esw->vlans[vlan_idx].ports = ports;
1340 +       if (ports == RT305X_ESW_PORTS_NONE)
1341 +               esw->vlans[vlan_idx].vid = RT305X_ESW_VLAN_NONE;
1342 +       else
1343 +               esw->vlans[vlan_idx].vid = val->port_vlan;
1344 +
1345 +       return 0;
1346 +}
1347 +
1348 +static const struct switch_attr esw_global[] = {
1349 +       {
1350 +               .type = SWITCH_TYPE_INT,
1351 +               .name = "enable_vlan",
1352 +               .description = "VLAN mode (1:enabled)",
1353 +               .max = 1,
1354 +               .id = RT305X_ESW_ATTR_ENABLE_VLAN,
1355 +               .get = esw_get_vlan_enable,
1356 +               .set = esw_set_vlan_enable,
1357 +       },
1358 +       {
1359 +               .type = SWITCH_TYPE_INT,
1360 +               .name = "alternate_vlan_disable",
1361 +               .description = "Use en_vlan instead of doubletag to disable"
1362 +                               " VLAN mode",
1363 +               .max = 1,
1364 +               .id = RT305X_ESW_ATTR_ALT_VLAN_DISABLE,
1365 +               .get = esw_get_alt_vlan_disable,
1366 +               .set = esw_set_alt_vlan_disable,
1367 +       },
1368 +       {
1369 +               .type = SWITCH_TYPE_INT,
1370 +               .name = "bc_storm_protect",
1371 +               .description = "Global broadcast storm protection (0:Disable, 1:64 blocks, 2:96 blocks, 3:128 blocks)",
1372 +               .max = 3,
1373 +               .id = RT305X_ESW_ATTR_BC_STATUS,
1374 +               .get = rt305x_esw_get_bc_status,
1375 +               .set = rt305x_esw_set_bc_status,
1376 +       },
1377 +       {
1378 +               .type = SWITCH_TYPE_INT,
1379 +               .name = "led_frequency",
1380 +               .description = "LED Flash frequency (0:30mS, 1:60mS, 2:240mS, 3:480mS)",
1381 +               .max = 3,
1382 +               .id = RT305X_ESW_ATTR_LED_FREQ,
1383 +               .get = rt305x_esw_get_led_freq,
1384 +               .set = rt305x_esw_set_led_freq,
1385 +       }
1386 +};
1387 +
1388 +static const struct switch_attr esw_port[] = {
1389 +       {
1390 +               .type = SWITCH_TYPE_INT,
1391 +               .name = "disable",
1392 +               .description = "Port state (1:disabled)",
1393 +               .max = 1,
1394 +               .id = RT305X_ESW_ATTR_PORT_DISABLE,
1395 +               .get = esw_get_port_bool,
1396 +               .set = esw_set_port_bool,
1397 +       },
1398 +       {
1399 +               .type = SWITCH_TYPE_INT,
1400 +               .name = "doubletag",
1401 +               .description = "Double tagging for incoming vlan packets "
1402 +                               "(1:enabled)",
1403 +               .max = 1,
1404 +               .id = RT305X_ESW_ATTR_PORT_DOUBLETAG,
1405 +               .get = esw_get_port_bool,
1406 +               .set = esw_set_port_bool,
1407 +       },
1408 +       {
1409 +               .type = SWITCH_TYPE_INT,
1410 +               .name = "untag",
1411 +               .description = "Untag (1:strip outgoing vlan tag)",
1412 +               .max = 1,
1413 +               .id = RT305X_ESW_ATTR_PORT_UNTAG,
1414 +               .get = esw_get_port_bool,
1415 +               .set = esw_set_port_bool,
1416 +       },
1417 +       {
1418 +               .type = SWITCH_TYPE_INT,
1419 +               .name = "led",
1420 +               .description = "LED mode (0:link, 1:100m, 2:duplex, 3:activity,"
1421 +                               " 4:collision, 5:linkact, 6:duplcoll, 7:10mact,"
1422 +                               " 8:100mact, 10:blink, 11:off, 12:on)",
1423 +               .max = 15,
1424 +               .id = RT305X_ESW_ATTR_PORT_LED,
1425 +               .get = esw_get_port_led,
1426 +               .set = esw_set_port_led,
1427 +       },
1428 +       {
1429 +               .type = SWITCH_TYPE_INT,
1430 +               .name = "lan",
1431 +               .description = "HW port group (0:wan, 1:lan)",
1432 +               .max = 1,
1433 +               .id = RT305X_ESW_ATTR_PORT_LAN,
1434 +               .get = esw_get_port_bool,
1435 +       },
1436 +       {
1437 +               .type = SWITCH_TYPE_INT,
1438 +               .name = "recv_bad",
1439 +               .description = "Receive bad packet counter",
1440 +               .id = RT305X_ESW_ATTR_PORT_RECV_BAD,
1441 +               .get = esw_get_port_recv_badgood,
1442 +       },
1443 +       {
1444 +               .type = SWITCH_TYPE_INT,
1445 +               .name = "recv_good",
1446 +               .description = "Receive good packet counter",
1447 +               .id = RT305X_ESW_ATTR_PORT_RECV_GOOD,
1448 +               .get = esw_get_port_recv_badgood,
1449 +       },
1450 +       {
1451 +               .type = SWITCH_TYPE_INT,
1452 +               .name = "tr_bad",
1453 +
1454 +               .description = "Transmit bad packet counter. rt5350 only",
1455 +               .id = RT5350_ESW_ATTR_PORT_TR_BAD,
1456 +               .get = esw_get_port_tr_badgood,
1457 +       },
1458 +       {
1459 +               .type = SWITCH_TYPE_INT,
1460 +               .name = "tr_good",
1461 +
1462 +               .description = "Transmit good packet counter. rt5350 only",
1463 +               .id = RT5350_ESW_ATTR_PORT_TR_GOOD,
1464 +               .get = esw_get_port_tr_badgood,
1465 +       },
1466 +};
1467 +
1468 +static const struct switch_attr esw_vlan[] = {
1469 +};
1470 +
1471 +static const struct switch_dev_ops esw_ops = {
1472 +       .attr_global = {
1473 +               .attr = esw_global,
1474 +               .n_attr = ARRAY_SIZE(esw_global),
1475 +       },
1476 +       .attr_port = {
1477 +               .attr = esw_port,
1478 +               .n_attr = ARRAY_SIZE(esw_port),
1479 +       },
1480 +       .attr_vlan = {
1481 +               .attr = esw_vlan,
1482 +               .n_attr = ARRAY_SIZE(esw_vlan),
1483 +       },
1484 +       .get_vlan_ports = esw_get_vlan_ports,
1485 +       .set_vlan_ports = esw_set_vlan_ports,
1486 +       .get_port_pvid = esw_get_port_pvid,
1487 +       .set_port_pvid = esw_set_port_pvid,
1488 +       .get_port_link = esw_get_port_link,
1489 +       .apply_config = esw_apply_config,
1490 +       .reset_switch = esw_reset_switch,
1491 +};
1492 +
1493 +static struct rt305x_esw_platform_data rt3050_esw_data = {
1494 +       /* All ports are LAN ports. */
1495 +       .vlan_config            = RT305X_ESW_VLAN_CONFIG_NONE,
1496 +       .reg_initval_fct2       = 0x00d6500c,
1497 +       /*
1498 +        * ext phy base addr 31, enable port 5 polling, rx/tx clock skew 1,
1499 +        * turbo mii off, rgmi 3.3v off
1500 +        * port5: disabled
1501 +        * port6: enabled, gige, full-duplex, rx/tx-flow-control
1502 +        */
1503 +       .reg_initval_fpa2       = 0x3f502b28,
1504 +};
1505 +
1506 +static const struct of_device_id ralink_esw_match[] = {
1507 +       { .compatible = "ralink,rt3050-esw", .data = &rt3050_esw_data },
1508 +       {},
1509 +};
1510 +MODULE_DEVICE_TABLE(of, ralink_esw_match);
1511 +
1512 +static int esw_probe(struct platform_device *pdev)
1513 +{
1514 +       struct device_node *np = pdev->dev.of_node;
1515 +       const struct rt305x_esw_platform_data *pdata;
1516 +       const __be32 *port_map, *reg_init;
1517 +       struct rt305x_esw *esw;
1518 +       struct switch_dev *swdev;
1519 +       struct resource *res, *irq;
1520 +       int err;
1521 +
1522 +       pdata = pdev->dev.platform_data;
1523 +       if (!pdata) {
1524 +               const struct of_device_id *match;
1525 +               match = of_match_device(ralink_esw_match, &pdev->dev);
1526 +               if (match)
1527 +                       pdata = (struct rt305x_esw_platform_data *) match->data;
1528 +       }
1529 +       if (!pdata)
1530 +               return -EINVAL;
1531 +
1532 +       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1533 +       if (!res) {
1534 +               dev_err(&pdev->dev, "no memory resource found\n");
1535 +               return -ENOMEM;
1536 +       }
1537 +
1538 +       irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1539 +       if (!irq) {
1540 +               dev_err(&pdev->dev, "no irq resource found\n");
1541 +               return -ENOMEM;
1542 +       }
1543 +
1544 +       esw = kzalloc(sizeof(struct rt305x_esw), GFP_KERNEL);
1545 +       if (!esw) {
1546 +               dev_err(&pdev->dev, "no memory for private data\n");
1547 +               return -ENOMEM;
1548 +       }
1549 +
1550 +       esw->dev = &pdev->dev;
1551 +       esw->irq = irq->start;
1552 +       esw->base = ioremap(res->start, resource_size(res));
1553 +       if (!esw->base) {
1554 +               dev_err(&pdev->dev, "ioremap failed\n");
1555 +               err = -ENOMEM;
1556 +               goto free_esw;
1557 +       }
1558 +
1559 +       port_map = of_get_property(np, "ralink,portmap", NULL);
1560 +        if (port_map)
1561 +               esw->port_map = be32_to_cpu(*port_map);
1562 +
1563 +       reg_init = of_get_property(np, "ralink,fct2", NULL);
1564 +        if (reg_init)
1565 +               esw->reg_initval_fct2 = be32_to_cpu(*reg_init);
1566 +
1567 +       reg_init = of_get_property(np, "ralink,fpa2", NULL);
1568 +        if (reg_init)
1569 +               esw->reg_initval_fpa2 = be32_to_cpu(*reg_init);
1570 +
1571 +       reg_init = of_get_property(np, "ralink,led_polarity", NULL);
1572 +        if (reg_init)
1573 +               esw->reg_led_polarity = be32_to_cpu(*reg_init);
1574 +
1575 +       swdev = &esw->swdev;
1576 +       swdev->of_node = pdev->dev.of_node;
1577 +       swdev->name = "rt305x-esw";
1578 +       swdev->alias = "rt305x";
1579 +       swdev->cpu_port = RT305X_ESW_PORT6;
1580 +       swdev->ports = RT305X_ESW_NUM_PORTS;
1581 +       swdev->vlans = RT305X_ESW_NUM_VIDS;
1582 +       swdev->ops = &esw_ops;
1583 +
1584 +       err = register_switch(swdev, NULL);
1585 +       if (err < 0) {
1586 +               dev_err(&pdev->dev, "register_switch failed\n");
1587 +               goto unmap_base;
1588 +       }
1589 +
1590 +       platform_set_drvdata(pdev, esw);
1591 +
1592 +       esw->pdata = pdata;
1593 +       spin_lock_init(&esw->reg_rw_lock);
1594 +
1595 +       esw_hw_init(esw);
1596 +
1597 +       esw_w32(esw, RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_ISR);
1598 +       esw_w32(esw, ~RT305X_ESW_PORT_ST_CHG, RT305X_ESW_REG_IMR);
1599 +       request_irq(esw->irq, esw_interrupt, 0, "esw", esw);
1600 +
1601 +       return 0;
1602 +
1603 +unmap_base:
1604 +       iounmap(esw->base);
1605 +free_esw:
1606 +       kfree(esw);
1607 +       return err;
1608 +}
1609 +
1610 +static int esw_remove(struct platform_device *pdev)
1611 +{
1612 +       struct rt305x_esw *esw;
1613 +
1614 +       esw = platform_get_drvdata(pdev);
1615 +       if (esw) {
1616 +               unregister_switch(&esw->swdev);
1617 +               platform_set_drvdata(pdev, NULL);
1618 +               iounmap(esw->base);
1619 +               kfree(esw);
1620 +       }
1621 +
1622 +       return 0;
1623 +}
1624 +
1625 +static struct platform_driver esw_driver = {
1626 +       .probe = esw_probe,
1627 +       .remove = esw_remove,
1628 +       .driver = {
1629 +               .name = "rt305x-esw",
1630 +               .owner = THIS_MODULE,
1631 +               .of_match_table = ralink_esw_match,
1632 +       },
1633 +};
1634 +
1635 +int __init rtesw_init(void)
1636 +{
1637 +       return platform_driver_register(&esw_driver);
1638 +}
1639 +
1640 +void rtesw_exit(void)
1641 +{
1642 +       platform_driver_unregister(&esw_driver);
1643 +}
1644 Index: linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.h
1645 ===================================================================
1646 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
1647 +++ linux-3.10.18/drivers/net/ethernet/ralink/esw_rt3052.h      2013-11-19 11:15:38.968470792 +0100
1648 @@ -0,0 +1,32 @@
1649 +/*
1650 + *   This program is free software; you can redistribute it and/or modify
1651 + *   it under the terms of the GNU General Public License as published by
1652 + *   the Free Software Foundation; version 2 of the License
1653 + *
1654 + *   This program is distributed in the hope that it will be useful,
1655 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
1656 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1657 + *   GNU General Public License for more details.
1658 + *
1659 + *   You should have received a copy of the GNU General Public License
1660 + *   along with this program; if not, write to the Free Software
1661 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
1662 + *
1663 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
1664 + */
1665 +
1666 +#ifndef _RALINK_ESW_RT3052_H__
1667 +#define _RALINK_ESW_RT3052_H__
1668 +
1669 +#ifdef CONFIG_NET_RALINK_ESW_RT3052
1670 +
1671 +int __init rtesw_init(void);
1672 +void rtesw_exit(void);
1673 +
1674 +#else
1675 +
1676 +static inline int __init rtesw_init(void) { return 0; }
1677 +static inline void rtesw_exit(void) { }
1678 +
1679 +#endif
1680 +#endif
1681 Index: linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.c
1682 ===================================================================
1683 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
1684 +++ linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.c     2013-11-19 11:15:38.968470792 +0100
1685 @@ -0,0 +1,566 @@
1686 +/*
1687 + *   This program is free software; you can redistribute it and/or modify
1688 + *   it under the terms of the GNU General Public License as published by
1689 + *   the Free Software Foundation; version 2 of the License
1690 + *
1691 + *   This program is distributed in the hope that it will be useful,
1692 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
1693 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
1694 + *   GNU General Public License for more details.
1695 + *
1696 + *   You should have received a copy of the GNU General Public License
1697 + *   along with this program; if not, write to the Free Software
1698 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
1699 + *
1700 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
1701 + */
1702 +
1703 +#include <linux/module.h>
1704 +#include <linux/kernel.h>
1705 +#include <linux/types.h>
1706 +#include <linux/dma-mapping.h>
1707 +#include <linux/init.h>
1708 +#include <linux/skbuff.h>
1709 +#include <linux/etherdevice.h>
1710 +#include <linux/ethtool.h>
1711 +#include <linux/platform_device.h>
1712 +#include <linux/of_device.h>
1713 +#include <linux/clk.h>
1714 +#include <linux/of_net.h>
1715 +#include <linux/of_mdio.h>
1716 +#include <linux/of_irq.h>
1717 +#include <linux/of_address.h>
1718 +#include <linux/switch.h>
1719 +
1720 +#include <asm/mach-ralink/ralink_regs.h>
1721 +
1722 +#include "ralink_soc_eth.h"
1723 +
1724 +#include <linux/ioport.h>
1725 +#include <linux/switch.h>
1726 +#include <linux/mii.h>
1727 +
1728 +#include <ralink_regs.h>
1729 +#include <asm/mach-ralink/mt7620.h>
1730 +
1731 +#include "ralink_soc_eth.h"
1732 +#include "gsw_mt7620a.h"
1733 +#include "mt7530.h"
1734 +#include "mdio.h"
1735 +
1736 +#define GSW_REG_PHY_TIMEOUT    (5 * HZ)
1737 +
1738 +#define MT7620A_GSW_REG_PIAC   0x7004
1739 +
1740 +#define GSW_NUM_VLANS          16
1741 +#define GSW_NUM_VIDS           4096
1742 +#define GSW_NUM_PORTS          7
1743 +#define GSW_PORT6              6
1744 +
1745 +#define GSW_MDIO_ACCESS                BIT(31)
1746 +#define GSW_MDIO_READ          BIT(19)
1747 +#define GSW_MDIO_WRITE         BIT(18)
1748 +#define GSW_MDIO_START         BIT(16)
1749 +#define GSW_MDIO_ADDR_SHIFT    20
1750 +#define GSW_MDIO_REG_SHIFT     25
1751 +
1752 +#define GSW_REG_PORT_PMCR(x)   (0x3000 + (x * 0x100))
1753 +#define GSW_REG_PORT_STATUS(x) (0x3008 + (x * 0x100))
1754 +#define GSW_REG_SMACCR0                0x3fE4
1755 +#define GSW_REG_SMACCR1                0x3fE8
1756 +#define GSW_REG_CKGCR          0x3ff0
1757 +
1758 +#define GSW_REG_IMR            0x7008
1759 +#define GSW_REG_ISR            0x700c
1760 +
1761 +#define SYSC_REG_CFG1          0x14
1762 +
1763 +#define PORT_IRQ_ST_CHG                0x7f
1764 +
1765 +#define SYSCFG1                        0x14
1766 +
1767 +#define ESW_PHY_POLLING                0x7000
1768 +
1769 +#define        PMCR_IPG                BIT(18)
1770 +#define        PMCR_MAC_MODE           BIT(16)
1771 +#define        PMCR_FORCE              BIT(15)
1772 +#define        PMCR_TX_EN              BIT(14)
1773 +#define        PMCR_RX_EN              BIT(13)
1774 +#define        PMCR_BACKOFF            BIT(9)
1775 +#define        PMCR_BACKPRES           BIT(8)
1776 +#define        PMCR_RX_FC              BIT(5)
1777 +#define        PMCR_TX_FC              BIT(4)
1778 +#define        PMCR_SPEED(_x)          (_x << 2)
1779 +#define        PMCR_DUPLEX             BIT(1)
1780 +#define        PMCR_LINK               BIT(0)
1781 +
1782 +#define PHY_AN_EN              BIT(31)
1783 +#define PHY_PRE_EN             BIT(30)
1784 +#define PMY_MDC_CONF(_x)       ((_x & 0x3f) << 24)
1785 +
1786 +enum {
1787 +       /* Global attributes. */
1788 +       GSW_ATTR_ENABLE_VLAN,
1789 +       /* Port attributes. */
1790 +       GSW_ATTR_PORT_UNTAG,
1791 +};
1792 +
1793 +enum {
1794 +       PORT4_EPHY = 0,
1795 +       PORT4_EXT,
1796 +};
1797 +
1798 +struct mt7620_gsw {
1799 +       struct device           *dev;
1800 +       void __iomem            *base;
1801 +       int                     irq;
1802 +       int                     port4;
1803 +       long unsigned int       autopoll;
1804 +};
1805 +
1806 +static inline void gsw_w32(struct mt7620_gsw *gsw, u32 val, unsigned reg)
1807 +{
1808 +       iowrite32(val, gsw->base + reg);
1809 +}
1810 +
1811 +static inline u32 gsw_r32(struct mt7620_gsw *gsw, unsigned reg)
1812 +{
1813 +       return ioread32(gsw->base + reg);
1814 +}
1815 +
1816 +static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw)
1817 +{
1818 +       unsigned long t_start = jiffies;
1819 +
1820 +       while (1) {
1821 +               if (!(gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS))
1822 +                       return 0;
1823 +               if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) {
1824 +                       break;
1825 +               }
1826 +       }
1827 +
1828 +       printk(KERN_ERR "mdio: MDIO timeout\n");
1829 +       return -1;
1830 +}
1831 +
1832 +static u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, u32 phy_register,
1833 +                               u32 write_data)
1834 +{
1835 +       if (mt7620_mii_busy_wait(gsw))
1836 +               return -1;
1837 +
1838 +       write_data &= 0xffff;
1839 +
1840 +       gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE |
1841 +               (phy_register << GSW_MDIO_REG_SHIFT) |
1842 +               (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data,
1843 +               MT7620A_GSW_REG_PIAC);
1844 +
1845 +       if (mt7620_mii_busy_wait(gsw))
1846 +               return -1;
1847 +
1848 +       return 0;
1849 +}
1850 +
1851 +static u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg)
1852 +{
1853 +       u32 d;
1854 +
1855 +       if (mt7620_mii_busy_wait(gsw))
1856 +               return 0xffff;
1857 +
1858 +       gsw_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ |
1859 +               (phy_reg << GSW_MDIO_REG_SHIFT) |
1860 +               (phy_addr << GSW_MDIO_ADDR_SHIFT),
1861 +               MT7620A_GSW_REG_PIAC);
1862 +
1863 +       if (mt7620_mii_busy_wait(gsw))
1864 +               return 0xffff;
1865 +
1866 +       d = gsw_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff;
1867 +
1868 +       return d;
1869 +}
1870 +
1871 +int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
1872 +{
1873 +       struct fe_priv *priv = bus->priv;
1874 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1875 +
1876 +       return _mt7620_mii_write(gsw, phy_addr, phy_reg, val);
1877 +}
1878 +
1879 +int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
1880 +{
1881 +       struct fe_priv *priv = bus->priv;
1882 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1883 +
1884 +       return _mt7620_mii_read(gsw, phy_addr, phy_reg);
1885 +}
1886 +
1887 +static unsigned char *fe_speed_str(int speed)
1888 +{
1889 +       switch (speed) {
1890 +       case 2:
1891 +       case SPEED_1000:
1892 +               return "1000";
1893 +       case 1:
1894 +       case SPEED_100:
1895 +               return "100";
1896 +       case 0:
1897 +       case SPEED_10:
1898 +               return "10";
1899 +       }
1900 +
1901 +       return "? ";
1902 +}
1903 +
1904 +int mt7620a_has_carrier(struct fe_priv *priv)
1905 +{
1906 +        struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1907 +       int i;
1908 +
1909 +       for (i = 0; i < GSW_PORT6; i++)
1910 +               if (gsw_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1)
1911 +                       return 1;
1912 +       return 0;
1913 +}
1914 +
1915 +static void mt7620a_handle_carrier(struct fe_priv *priv)
1916 +{
1917 +       if (!priv->phy)
1918 +               return;
1919 +
1920 +       if (mt7620a_has_carrier(priv))
1921 +               netif_carrier_on(priv->netdev);
1922 +       else
1923 +               netif_carrier_off(priv->netdev);
1924 +}
1925 +
1926 +void mt7620_mdio_link_adjust(struct fe_priv *priv, int port)
1927 +{
1928 +       if (priv->link[port])
1929 +               netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
1930 +                       port, fe_speed_str(priv->phy->speed[port]),
1931 +                       (DUPLEX_FULL == priv->phy->duplex[port]) ? "Full" : "Half");
1932 +       else
1933 +               netdev_info(priv->netdev, "port %d link down\n", port);
1934 +       mt7620a_handle_carrier(priv);
1935 +}
1936 +
1937 +static irqreturn_t gsw_interrupt(int irq, void *_priv)
1938 +{
1939 +       struct fe_priv *priv = (struct fe_priv *) _priv;
1940 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1941 +       u32 status;
1942 +       int i, max = (gsw->port4 == PORT4_EPHY) ? (4) : (3);
1943 +
1944 +       status = gsw_r32(gsw, GSW_REG_ISR);
1945 +       if (status & PORT_IRQ_ST_CHG)
1946 +               for (i = 0; i <= max; i++) {
1947 +                       u32 status = gsw_r32(gsw, GSW_REG_PORT_STATUS(i));
1948 +                       int link = status & 0x1;
1949 +
1950 +                       if (link != priv->link[i]) {
1951 +                               if (link)
1952 +                                       netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n",
1953 +                                                       i, fe_speed_str((status >> 2) & 3),
1954 +                                                       (status & 0x2) ? "Full" : "Half");
1955 +                               else
1956 +                                       netdev_info(priv->netdev, "port %d link down\n", i);
1957 +                       }
1958 +
1959 +                       priv->link[i] = link;
1960 +               }
1961 +       mt7620a_handle_carrier(priv);
1962 +
1963 +       gsw_w32(gsw, status, GSW_REG_ISR);
1964 +
1965 +       return IRQ_HANDLED;
1966 +}
1967 +
1968 +static int mt7620_is_bga(void)
1969 +{
1970 +       u32 bga = rt_sysc_r32(0x0c);
1971 +
1972 +       return (bga >> 16) & 1;
1973 +}
1974 +
1975 +static void gsw_auto_poll(struct mt7620_gsw *gsw)
1976 +{
1977 +       int phy;
1978 +       int lsb = -1, msb = 0;
1979 +
1980 +       for_each_set_bit(phy, &gsw->autopoll, 32) {
1981 +               if (lsb < 0)
1982 +                       lsb = phy;
1983 +               msb = phy;
1984 +       }
1985 +
1986 +       gsw_w32(gsw, PHY_AN_EN | PHY_PRE_EN | PMY_MDC_CONF(5) | (msb << 8) | lsb, ESW_PHY_POLLING);
1987 +}
1988 +
1989 +void mt7620_port_init(struct fe_priv *priv, struct device_node *np)
1990 +{
1991 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
1992 +       const __be32 *_id = of_get_property(np, "reg", NULL);
1993 +       int phy_mode, size, id;
1994 +       int shift = 12;
1995 +       u32 val, mask = 0;
1996 +       int min = (gsw->port4 == PORT4_EPHY) ? (5) : (4);
1997 +
1998 +       if (!_id || (be32_to_cpu(*_id) < min) || (be32_to_cpu(*_id) > 5)) {
1999 +               if (_id)
2000 +                       pr_err("%s: invalid port id %d\n", np->name, be32_to_cpu(*_id));
2001 +               else
2002 +                       pr_err("%s: invalid port id\n", np->name);
2003 +               return;
2004 +       }
2005 +
2006 +       id = be32_to_cpu(*_id);
2007 +
2008 +       if (id == 4)
2009 +               shift = 14;
2010 +
2011 +       priv->phy->phy_fixed[id] = of_get_property(np, "ralink,fixed-link", &size);
2012 +       if (priv->phy->phy_fixed[id] && (size != (4 * sizeof(*priv->phy->phy_fixed[id])))) {
2013 +               pr_err("%s: invalid fixed link property\n", np->name);
2014 +               priv->phy->phy_fixed[id] = NULL;
2015 +               return;
2016 +       }
2017 +
2018 +       phy_mode = of_get_phy_mode(np);
2019 +       switch (phy_mode) {
2020 +       case PHY_INTERFACE_MODE_RGMII:
2021 +               mask = 0;
2022 +               break;
2023 +       case PHY_INTERFACE_MODE_MII:
2024 +               mask = 1;
2025 +               break;
2026 +       case PHY_INTERFACE_MODE_RMII:
2027 +               mask = 2;
2028 +               break;
2029 +       default:
2030 +               dev_err(priv->device, "port %d - invalid phy mode\n", id);
2031 +               return;
2032 +       }
2033 +
2034 +       priv->phy->phy_node[id] = of_parse_phandle(np, "phy-handle", 0);
2035 +       if (!priv->phy->phy_node[id] && !priv->phy->phy_fixed[id])
2036 +               return;
2037 +
2038 +       val = rt_sysc_r32(SYSCFG1);
2039 +       val &= ~(3 << shift);
2040 +       val |= mask << shift;
2041 +       rt_sysc_w32(val, SYSCFG1);
2042 +
2043 +       if (priv->phy->phy_fixed[id]) {
2044 +               const __be32 *link = priv->phy->phy_fixed[id];
2045 +               int tx_fc, rx_fc;
2046 +               u32 val = 0;
2047 +
2048 +               priv->phy->speed[id] = be32_to_cpup(link++);
2049 +               tx_fc = be32_to_cpup(link++);
2050 +               rx_fc = be32_to_cpup(link++);
2051 +               priv->phy->duplex[id] = be32_to_cpup(link++);
2052 +               priv->link[id] = 1;
2053 +
2054 +               switch (priv->phy->speed[id]) {
2055 +               case SPEED_10:
2056 +                       val = 0;
2057 +                       break;
2058 +               case SPEED_100:
2059 +                       val = 1;
2060 +                       break;
2061 +               case SPEED_1000:
2062 +                       val = 2;
2063 +                       break;
2064 +               default:
2065 +                       dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[id]);
2066 +                       priv->phy->phy_fixed[id] = 0;
2067 +                       return;
2068 +               }
2069 +               val = PMCR_SPEED(val);
2070 +               val |= PMCR_LINK | PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
2071 +                       PMCR_TX_EN | PMCR_FORCE | PMCR_MAC_MODE | PMCR_IPG;
2072 +               if (tx_fc)
2073 +                       val |= PMCR_TX_FC;
2074 +               if (rx_fc)
2075 +                       val |= PMCR_RX_FC;
2076 +               if (priv->phy->duplex[id])
2077 +                       val |= PMCR_DUPLEX;
2078 +               gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
2079 +               dev_info(priv->device, "using fixed link parameters\n");
2080 +               return;
2081 +       }
2082 +
2083 +       if (priv->phy->phy_node[id] && priv->mii_bus->phy_map[id]) {
2084 +               u32 val = PMCR_BACKPRES | PMCR_BACKOFF | PMCR_RX_EN |
2085 +                       PMCR_TX_EN |  PMCR_MAC_MODE | PMCR_IPG;
2086 +
2087 +               gsw_w32(gsw, val, GSW_REG_PORT_PMCR(id));
2088 +               fe_connect_phy_node(priv, priv->phy->phy_node[id]);
2089 +               gsw->autopoll |= BIT(id);
2090 +               gsw_auto_poll(gsw);
2091 +               return;
2092 +       }
2093 +}
2094 +
2095 +static void gsw_hw_init(struct mt7620_gsw *gsw)
2096 +{
2097 +       u32 is_BGA = mt7620_is_bga();
2098 +
2099 +       rt_sysc_w32(rt_sysc_r32(SYSC_REG_CFG1) | BIT(8), SYSC_REG_CFG1);
2100 +       gsw_w32(gsw, gsw_r32(gsw, GSW_REG_CKGCR) & ~(0x3 << 4), GSW_REG_CKGCR);
2101 +
2102 +       /*correct  PHY  setting L3.0 BGA*/
2103 +       _mt7620_mii_write(gsw, 1, 31, 0x4000); //global, page 4
2104 +
2105 +       _mt7620_mii_write(gsw, 1, 17, 0x7444);
2106 +       if (is_BGA)
2107 +               _mt7620_mii_write(gsw, 1, 19, 0x0114);
2108 +       else
2109 +               _mt7620_mii_write(gsw, 1, 19, 0x0117);
2110 +
2111 +       _mt7620_mii_write(gsw, 1, 22, 0x10cf);
2112 +       _mt7620_mii_write(gsw, 1, 25, 0x6212);
2113 +       _mt7620_mii_write(gsw, 1, 26, 0x0777);
2114 +       _mt7620_mii_write(gsw, 1, 29, 0x4000);
2115 +       _mt7620_mii_write(gsw, 1, 28, 0xc077);
2116 +       _mt7620_mii_write(gsw, 1, 24, 0x0000);
2117 +
2118 +       _mt7620_mii_write(gsw, 1, 31, 0x3000); //global, page 3
2119 +       _mt7620_mii_write(gsw, 1, 17, 0x4838);
2120 +
2121 +       _mt7620_mii_write(gsw, 1, 31, 0x2000); //global, page 2
2122 +       if (is_BGA) {
2123 +               _mt7620_mii_write(gsw, 1, 21, 0x0515);
2124 +               _mt7620_mii_write(gsw, 1, 22, 0x0053);
2125 +               _mt7620_mii_write(gsw, 1, 23, 0x00bf);
2126 +               _mt7620_mii_write(gsw, 1, 24, 0x0aaf);
2127 +               _mt7620_mii_write(gsw, 1, 25, 0x0fad);
2128 +               _mt7620_mii_write(gsw, 1, 26, 0x0fc1);
2129 +       } else {
2130 +               _mt7620_mii_write(gsw, 1, 21, 0x0517);
2131 +               _mt7620_mii_write(gsw, 1, 22, 0x0fd2);
2132 +               _mt7620_mii_write(gsw, 1, 23, 0x00bf);
2133 +               _mt7620_mii_write(gsw, 1, 24, 0x0aab);
2134 +               _mt7620_mii_write(gsw, 1, 25, 0x00ae);
2135 +               _mt7620_mii_write(gsw, 1, 26, 0x0fff);
2136 +       }
2137 +       _mt7620_mii_write(gsw, 1, 31, 0x1000); //global, page 1
2138 +       _mt7620_mii_write(gsw, 1, 17, 0xe7f8);
2139 +
2140 +       _mt7620_mii_write(gsw, 1, 31, 0x8000); //local, page 0
2141 +       _mt7620_mii_write(gsw, 0, 30, 0xa000);
2142 +       _mt7620_mii_write(gsw, 1, 30, 0xa000);
2143 +       _mt7620_mii_write(gsw, 2, 30, 0xa000);
2144 +       _mt7620_mii_write(gsw, 3, 30, 0xa000);
2145 +
2146 +       _mt7620_mii_write(gsw, 0, 4, 0x05e1);
2147 +       _mt7620_mii_write(gsw, 1, 4, 0x05e1);
2148 +       _mt7620_mii_write(gsw, 2, 4, 0x05e1);
2149 +       _mt7620_mii_write(gsw, 3, 4, 0x05e1);
2150 +       _mt7620_mii_write(gsw, 1, 31, 0xa000); //local, page 2
2151 +       _mt7620_mii_write(gsw, 0, 16, 0x1111);
2152 +       _mt7620_mii_write(gsw, 1, 16, 0x1010);
2153 +       _mt7620_mii_write(gsw, 2, 16, 0x1515);
2154 +       _mt7620_mii_write(gsw, 3, 16, 0x0f0f);
2155 +
2156 +       /* CPU Port6 Force Link 1G, FC ON */
2157 +       gsw_w32(gsw, 0x5e33b, GSW_REG_PORT_PMCR(6));
2158 +       /* Set Port6 CPU Port */
2159 +       gsw_w32(gsw, 0x7f7f7fe0, 0x0010);
2160 +
2161 +       /* setup port 4 */
2162 +       if (gsw->port4 == PORT4_EPHY) {
2163 +               u32 val = rt_sysc_r32(SYSCFG1);
2164 +               val |= 3 << 14;
2165 +               rt_sysc_w32(val, SYSCFG1);
2166 +               _mt7620_mii_write(gsw, 4, 30, 0xa000);
2167 +               _mt7620_mii_write(gsw, 4, 4, 0x05e1);
2168 +               _mt7620_mii_write(gsw, 4, 16, 0x1313);
2169 +               pr_info("gsw: setting port4 to ephy mode\n");
2170 +       }
2171 +}
2172 +
2173 +void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac)
2174 +{
2175 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
2176 +       unsigned long flags;
2177 +
2178 +       spin_lock_irqsave(&priv->page_lock, flags);
2179 +       gsw_w32(gsw, (mac[0] << 8) | mac[1], GSW_REG_SMACCR1);
2180 +       gsw_w32(gsw, (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
2181 +               GSW_REG_SMACCR0);
2182 +       spin_unlock_irqrestore(&priv->page_lock, flags);
2183 +}
2184 +
2185 +static struct of_device_id gsw_match[] = {
2186 +       { .compatible = "ralink,mt7620a-gsw" },
2187 +       {}
2188 +};
2189 +
2190 +int mt7620_gsw_config(struct fe_priv *priv)
2191 +{
2192 +       struct mt7620_gsw *gsw = (struct mt7620_gsw *) priv->soc->swpriv;
2193 +
2194 +       /* is the mt7530 internal or external */
2195 +       if ((_mt7620_mii_read(gsw, 0x1f, 2) == 1) && (_mt7620_mii_read(gsw, 0x1f, 3) == 0xbeef))
2196 +               mt7530_probe(priv->device, NULL, priv->mii_bus);
2197 +       else
2198 +               mt7530_probe(priv->device, gsw->base, NULL);
2199 +
2200 +       return 0;
2201 +}
2202 +
2203 +int mt7620_gsw_probe(struct fe_priv *priv)
2204 +{
2205 +       struct mt7620_gsw *gsw;
2206 +       struct device_node *np;
2207 +       const char *port4 = NULL;
2208 +
2209 +       np = of_find_matching_node(NULL, gsw_match);
2210 +       if (!np) {
2211 +               dev_err(priv->device, "no gsw node found\n");
2212 +               return -EINVAL;
2213 +       }
2214 +       np = of_node_get(np);
2215 +
2216 +       gsw = devm_kzalloc(priv->device, sizeof(struct mt7620_gsw), GFP_KERNEL);
2217 +       if (!gsw) {
2218 +               dev_err(priv->device, "no gsw memory for private data\n");
2219 +               return -ENOMEM;
2220 +       }
2221 +
2222 +       gsw->irq = irq_of_parse_and_map(np, 0);
2223 +       if (!gsw->irq) {
2224 +               dev_err(priv->device, "no gsw irq resource found\n");
2225 +               return -ENOMEM;
2226 +       }
2227 +
2228 +       gsw->base = of_iomap(np, 0);
2229 +       if (!gsw->base) {
2230 +               dev_err(priv->device, "gsw ioremap failed\n");
2231 +               return -ENOMEM;
2232 +       }
2233 +
2234 +       gsw->dev = priv->device;
2235 +       priv->soc->swpriv = gsw;
2236 +
2237 +       of_property_read_string(np, "ralink,port4", &port4);
2238 +       if (port4 && !strcmp(port4, "ephy"))
2239 +               gsw->port4 = PORT4_EPHY;
2240 +       else if (port4 && !strcmp(port4, "gmac"))
2241 +               gsw->port4 = PORT4_EXT;
2242 +       else
2243 +               WARN_ON(port4);
2244 +
2245 +       gsw_hw_init(gsw);
2246 +
2247 +       gsw_w32(gsw, ~PORT_IRQ_ST_CHG, GSW_REG_IMR);
2248 +       request_irq(gsw->irq, gsw_interrupt, 0, "gsw", priv);
2249 +
2250 +       return 0;
2251 +}
2252 Index: linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.h
2253 ===================================================================
2254 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2255 +++ linux-3.10.18/drivers/net/ethernet/ralink/gsw_mt7620a.h     2013-11-19 11:15:38.968470792 +0100
2256 @@ -0,0 +1,30 @@
2257 +/*
2258 + *   This program is free software; you can redistribute it and/or modify
2259 + *   it under the terms of the GNU General Public License as published by
2260 + *   the Free Software Foundation; version 2 of the License
2261 + *
2262 + *   This program is distributed in the hope that it will be useful,
2263 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2264 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2265 + *   GNU General Public License for more details.
2266 + *
2267 + *   You should have received a copy of the GNU General Public License
2268 + *   along with this program; if not, write to the Free Software
2269 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2270 + *
2271 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2272 + */
2273 +
2274 +#ifndef _RALINK_GSW_MT7620_H__
2275 +#define _RALINK_GSW_MT7620_H__
2276 +
2277 +extern int mt7620_gsw_config(struct fe_priv *priv);
2278 +extern int mt7620_gsw_probe(struct fe_priv *priv);
2279 +extern void mt7620_set_mac(struct fe_priv *priv, unsigned char *mac);
2280 +extern int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
2281 +extern int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
2282 +extern void mt7620_mdio_link_adjust(struct fe_priv *priv, int port);
2283 +extern void mt7620_port_init(struct fe_priv *priv, struct device_node *np);
2284 +extern int mt7620a_has_carrier(struct fe_priv *priv);
2285 +
2286 +#endif
2287 Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio.c
2288 ===================================================================
2289 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2290 +++ linux-3.10.18/drivers/net/ethernet/ralink/mdio.c    2013-11-19 11:15:38.968470792 +0100
2291 @@ -0,0 +1,244 @@
2292 +/*
2293 + *   This program is free software; you can redistribute it and/or modify
2294 + *   it under the terms of the GNU General Public License as published by
2295 + *   the Free Software Foundation; version 2 of the License
2296 + *
2297 + *   This program is distributed in the hope that it will be useful,
2298 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2299 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2300 + *   GNU General Public License for more details.
2301 + *
2302 + *   You should have received a copy of the GNU General Public License
2303 + *   along with this program; if not, write to the Free Software
2304 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2305 + *
2306 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2307 + */
2308 +
2309 +#include <linux/module.h>
2310 +#include <linux/kernel.h>
2311 +#include <linux/types.h>
2312 +#include <linux/dma-mapping.h>
2313 +#include <linux/init.h>
2314 +#include <linux/skbuff.h>
2315 +#include <linux/etherdevice.h>
2316 +#include <linux/ethtool.h>
2317 +#include <linux/platform_device.h>
2318 +#include <linux/phy.h>
2319 +#include <linux/of_device.h>
2320 +#include <linux/clk.h>
2321 +#include <linux/of_net.h>
2322 +#include <linux/of_mdio.h>
2323 +
2324 +#include "ralink_soc_eth.h"
2325 +#include "mdio.h"
2326 +
2327 +static int fe_mdio_reset(struct mii_bus *bus)
2328 +{
2329 +       /* TODO */
2330 +       return 0;
2331 +}
2332 +
2333 +static void fe_phy_link_adjust(struct net_device *dev)
2334 +{
2335 +       struct fe_priv *priv = netdev_priv(dev);
2336 +       unsigned long flags;
2337 +       int i;
2338 +
2339 +       spin_lock_irqsave(&priv->phy->lock, flags);
2340 +       for (i = 0; i < 8; i++) {
2341 +               if (priv->phy->phy_node[i]) {
2342 +                       struct phy_device *phydev = priv->phy->phy[i];
2343 +                       int status_change = 0;
2344 +
2345 +                       if (phydev->link)
2346 +                               if (priv->phy->duplex[i] != phydev->duplex ||
2347 +                                               priv->phy->speed[i] != phydev->speed)
2348 +                                       status_change = 1;
2349 +
2350 +                       if (phydev->link != priv->link[i])
2351 +                               status_change = 1;
2352 +
2353 +                       switch (phydev->speed) {
2354 +                       case SPEED_1000:
2355 +                       case SPEED_100:
2356 +                       case SPEED_10:
2357 +                               priv->link[i] = phydev->link;
2358 +                               priv->phy->duplex[i] = phydev->duplex;
2359 +                               priv->phy->speed[i] = phydev->speed;
2360 +
2361 +                               if (status_change && priv->soc->mdio_adjust_link)
2362 +                                       priv->soc->mdio_adjust_link(priv, i);
2363 +                               break;
2364 +                       }
2365 +               }
2366 +       }
2367 +}
2368 +
2369 +int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node)
2370 +{
2371 +       const __be32 *_port = NULL;
2372 +       struct phy_device *phydev;
2373 +       int phy_mode, port;
2374 +
2375 +       _port = of_get_property(phy_node, "reg", NULL);
2376 +
2377 +       if (!_port || (be32_to_cpu(*_port) >= 0x20)) {
2378 +               pr_err("%s: invalid port id\n", phy_node->name);
2379 +               return -EINVAL;
2380 +       }
2381 +       port = be32_to_cpu(*_port);
2382 +       phy_mode = of_get_phy_mode(phy_node);
2383 +       if (phy_mode < 0) {
2384 +               dev_err(priv->device, "incorrect phy-mode %d\n", phy_mode);
2385 +               priv->phy->phy_node[port] = NULL;
2386 +               return -EINVAL;
2387 +       }
2388 +
2389 +       phydev = of_phy_connect(priv->netdev, phy_node, fe_phy_link_adjust,
2390 +                               0, phy_mode);
2391 +       if (IS_ERR(phydev)) {
2392 +               dev_err(priv->device, "could not connect to PHY\n");
2393 +               priv->phy->phy_node[port] = NULL;
2394 +               return PTR_ERR(phydev);
2395 +       }
2396 +
2397 +       phydev->supported &= PHY_GBIT_FEATURES;
2398 +       phydev->advertising = phydev->supported;
2399 +       phydev->no_auto_carrier_off = 1;
2400 +
2401 +       dev_info(priv->device,
2402 +                "connected port %d to PHY at %s [uid=%08x, driver=%s]\n",
2403 +                port, dev_name(&phydev->dev), phydev->phy_id,
2404 +                phydev->drv->name);
2405 +
2406 +       priv->phy->phy[port] = phydev;
2407 +       priv->link[port] = 0;
2408 +
2409 +       return 0;
2410 +}
2411 +
2412 +static int fe_phy_connect(struct fe_priv *priv)
2413 +{
2414 +       return 0;
2415 +}
2416 +
2417 +static void fe_phy_disconnect(struct fe_priv *priv)
2418 +{
2419 +       unsigned long flags;
2420 +       int i;
2421 +
2422 +       for (i = 0; i < 8; i++)
2423 +               if (priv->phy->phy_fixed[i]) {
2424 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2425 +                       priv->link[i] = 0;
2426 +                       if (priv->soc->mdio_adjust_link)
2427 +                               priv->soc->mdio_adjust_link(priv, i);
2428 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2429 +               } else if (priv->phy->phy[i]) {
2430 +                       phy_disconnect(priv->phy->phy[i]);
2431 +               }
2432 +}
2433 +
2434 +static void fe_phy_start(struct fe_priv *priv)
2435 +{
2436 +       unsigned long flags;
2437 +       int i;
2438 +
2439 +       for (i = 0; i < 8; i++) {
2440 +               if (priv->phy->phy_fixed[i]) {
2441 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2442 +                       priv->link[i] = 1;
2443 +                       if (priv->soc->mdio_adjust_link)
2444 +                               priv->soc->mdio_adjust_link(priv, i);
2445 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2446 +               } else if (priv->phy->phy[i]) {
2447 +                       phy_start(priv->phy->phy[i]);
2448 +               }
2449 +       }
2450 +}
2451 +
2452 +static void fe_phy_stop(struct fe_priv *priv)
2453 +{
2454 +       unsigned long flags;
2455 +       int i;
2456 +
2457 +       for (i = 0; i < 8; i++)
2458 +               if (priv->phy->phy_fixed[i]) {
2459 +                       spin_lock_irqsave(&priv->phy->lock, flags);
2460 +                       priv->link[i] = 0;
2461 +                       if (priv->soc->mdio_adjust_link)
2462 +                               priv->soc->mdio_adjust_link(priv, i);
2463 +                       spin_unlock_irqrestore(&priv->phy->lock, flags);
2464 +               } else if (priv->phy->phy[i]) {
2465 +                       phy_stop(priv->phy->phy[i]);
2466 +               }
2467 +}
2468 +
2469 +static struct fe_phy phy_ralink = {
2470 +       .connect = fe_phy_connect,
2471 +       .disconnect = fe_phy_disconnect,
2472 +       .start = fe_phy_start,
2473 +       .stop = fe_phy_stop,
2474 +};
2475 +
2476 +int fe_mdio_init(struct fe_priv *priv)
2477 +{
2478 +       struct device_node *mii_np;
2479 +       int err;
2480 +
2481 +       if (!priv->soc->mdio_read || !priv->soc->mdio_write)
2482 +               return 0;
2483 +
2484 +       spin_lock_init(&phy_ralink.lock);
2485 +       priv->phy = &phy_ralink;
2486 +
2487 +       mii_np = of_get_child_by_name(priv->device->of_node, "mdio-bus");
2488 +       if (!mii_np) {
2489 +               dev_err(priv->device, "no %s child node found", "mdio-bus");
2490 +               return -ENODEV;
2491 +       }
2492 +
2493 +       if (!of_device_is_available(mii_np)) {
2494 +               err = 0;
2495 +               goto err_put_node;
2496 +       }
2497 +
2498 +       priv->mii_bus = mdiobus_alloc();
2499 +       if (priv->mii_bus == NULL) {
2500 +               err = -ENOMEM;
2501 +               goto err_put_node;
2502 +       }
2503 +
2504 +       priv->mii_bus->name = "mdio";
2505 +       priv->mii_bus->read = priv->soc->mdio_read;
2506 +       priv->mii_bus->write = priv->soc->mdio_write;
2507 +       priv->mii_bus->reset = fe_mdio_reset;
2508 +       priv->mii_bus->irq = priv->mii_irq;
2509 +       priv->mii_bus->priv = priv;
2510 +       priv->mii_bus->parent = priv->device;
2511 +
2512 +       snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
2513 +       err = of_mdiobus_register(priv->mii_bus, mii_np);
2514 +       if (err)
2515 +               goto err_free_bus;
2516 +
2517 +       return 0;
2518 +
2519 +err_free_bus:
2520 +       kfree(priv->mii_bus);
2521 +err_put_node:
2522 +       of_node_put(mii_np);
2523 +       priv->mii_bus = NULL;
2524 +       return err;
2525 +}
2526 +
2527 +void fe_mdio_cleanup(struct fe_priv *priv)
2528 +{
2529 +       if (!priv->mii_bus)
2530 +               return;
2531 +
2532 +       mdiobus_unregister(priv->mii_bus);
2533 +       of_node_put(priv->mii_bus->dev.of_node);
2534 +       kfree(priv->mii_bus);
2535 +}
2536 Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio.h
2537 ===================================================================
2538 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2539 +++ linux-3.10.18/drivers/net/ethernet/ralink/mdio.h    2013-11-19 11:15:38.968470792 +0100
2540 @@ -0,0 +1,29 @@
2541 +/*
2542 + *   This program is free software; you can redistribute it and/or modify
2543 + *   it under the terms of the GNU General Public License as published by
2544 + *   the Free Software Foundation; version 2 of the License
2545 + *
2546 + *   This program is distributed in the hope that it will be useful,
2547 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2548 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2549 + *   GNU General Public License for more details.
2550 + *
2551 + *   You should have received a copy of the GNU General Public License
2552 + *   along with this program; if not, write to the Free Software
2553 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2554 + *
2555 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2556 + */
2557 +
2558 +#ifndef _RALINK_MDIO_H__
2559 +#define _RALINK_MDIO_H__
2560 +
2561 +#ifdef CONFIG_NET_RALINK_MDIO
2562 +extern int fe_mdio_init(struct fe_priv *priv);
2563 +extern void fe_mdio_cleanup(struct fe_priv *priv);
2564 +extern int fe_connect_phy_node(struct fe_priv *priv, struct device_node *phy_node);
2565 +#else
2566 +static inline int fe_mdio_init(struct fe_priv *priv) { return 0; }
2567 +static inline void fe_mdio_cleanup(struct fe_priv *priv) {}
2568 +#endif
2569 +#endif
2570 Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.c
2571 ===================================================================
2572 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2573 +++ linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.c     2013-11-19 11:15:38.972470791 +0100
2574 @@ -0,0 +1,232 @@
2575 +/*
2576 + *   This program is free software; you can redistribute it and/or modify
2577 + *   it under the terms of the GNU General Public License as published by
2578 + *   the Free Software Foundation; version 2 of the License
2579 + *
2580 + *   This program is distributed in the hope that it will be useful,
2581 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2582 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2583 + *   GNU General Public License for more details.
2584 + *
2585 + *   You should have received a copy of the GNU General Public License
2586 + *   along with this program; if not, write to the Free Software
2587 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2588 + *
2589 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2590 + */
2591 +
2592 +#include <linux/module.h>
2593 +#include <linux/kernel.h>
2594 +#include <linux/types.h>
2595 +#include <linux/dma-mapping.h>
2596 +#include <linux/init.h>
2597 +#include <linux/skbuff.h>
2598 +#include <linux/etherdevice.h>
2599 +#include <linux/ethtool.h>
2600 +#include <linux/platform_device.h>
2601 +#include <linux/phy.h>
2602 +#include <linux/of_device.h>
2603 +#include <linux/clk.h>
2604 +#include <linux/of_net.h>
2605 +#include <linux/of_mdio.h>
2606 +
2607 +#include "ralink_soc_eth.h"
2608 +#include "mdio_rt2880.h"
2609 +#include "mdio.h"
2610 +
2611 +#define FE_MDIO_RETRY  1000
2612 +
2613 +static unsigned char *rt2880_speed_str(struct fe_priv *priv)
2614 +{
2615 +       switch (priv->phy->speed[0]) {
2616 +       case SPEED_1000:
2617 +               return "1000";
2618 +       case SPEED_100:
2619 +               return "100";
2620 +       case SPEED_10:
2621 +               return "10";
2622 +       }
2623 +
2624 +       return "?";
2625 +}
2626 +
2627 +void rt2880_mdio_link_adjust(struct fe_priv *priv, int port)
2628 +{
2629 +       u32 mdio_cfg;
2630 +
2631 +       if (!priv->link[0]) {
2632 +               netif_carrier_off(priv->netdev);
2633 +               netdev_info(priv->netdev, "link down\n");
2634 +               return;
2635 +       }
2636 +
2637 +       mdio_cfg = FE_MDIO_CFG_TX_CLK_SKEW_200 |
2638 +                  FE_MDIO_CFG_RX_CLK_SKEW_200 |
2639 +                  FE_MDIO_CFG_GP1_FRC_EN;
2640 +
2641 +       if (priv->phy->duplex[0] == DUPLEX_FULL)
2642 +               mdio_cfg |= FE_MDIO_CFG_GP1_DUPLEX;
2643 +
2644 +       if (priv->phy->tx_fc[0])
2645 +               mdio_cfg |= FE_MDIO_CFG_GP1_FC_TX;
2646 +
2647 +       if (priv->phy->rx_fc[0])
2648 +               mdio_cfg |= FE_MDIO_CFG_GP1_FC_RX;
2649 +
2650 +       switch (priv->phy->speed[0]) {
2651 +       case SPEED_10:
2652 +               mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_10;
2653 +               break;
2654 +       case SPEED_100:
2655 +               mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_100;
2656 +               break;
2657 +       case SPEED_1000:
2658 +               mdio_cfg |= FE_MDIO_CFG_GP1_SPEED_1000;
2659 +               break;
2660 +       default:
2661 +               BUG();
2662 +       }
2663 +
2664 +       fe_w32(mdio_cfg, FE_MDIO_CFG);
2665 +
2666 +       netif_carrier_on(priv->netdev);
2667 +       netdev_info(priv->netdev, "link up (%sMbps/%s duplex)\n",
2668 +                   rt2880_speed_str(priv),
2669 +                   (DUPLEX_FULL == priv->phy->duplex[0]) ? "Full" : "Half");
2670 +}
2671 +
2672 +static int rt2880_mdio_wait_ready(struct fe_priv *priv)
2673 +{
2674 +       int retries;
2675 +
2676 +       retries = FE_MDIO_RETRY;
2677 +       while (1) {
2678 +               u32 t;
2679 +
2680 +               t = fe_r32(FE_MDIO_ACCESS);
2681 +               if ((t & (0x1 << 31)) == 0)
2682 +                       return 0;
2683 +
2684 +               if (retries-- == 0)
2685 +                       break;
2686 +
2687 +               udelay(1);
2688 +       }
2689 +
2690 +       dev_err(priv->device, "MDIO operation timed out\n");
2691 +       return -ETIMEDOUT;
2692 +}
2693 +
2694 +int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg)
2695 +{
2696 +       struct fe_priv *priv = bus->priv;
2697 +       int err;
2698 +       u32 t;
2699 +
2700 +       err = rt2880_mdio_wait_ready(priv);
2701 +       if (err)
2702 +               return 0xffff;
2703 +
2704 +       t = (phy_addr << 24) | (phy_reg << 16);
2705 +       fe_w32(t, FE_MDIO_ACCESS);
2706 +       t |= (1 << 31);
2707 +       fe_w32(t, FE_MDIO_ACCESS);
2708 +
2709 +       err = rt2880_mdio_wait_ready(priv);
2710 +       if (err)
2711 +               return 0xffff;
2712 +
2713 +       pr_info("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
2714 +               phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
2715 +
2716 +       return fe_r32(FE_MDIO_ACCESS) & 0xffff;
2717 +}
2718 +
2719 +int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val)
2720 +{
2721 +       struct fe_priv *priv = bus->priv;
2722 +       int err;
2723 +       u32 t;
2724 +
2725 +       pr_info("%s: addr=%04x, reg=%04x, value=%04x\n", __func__,
2726 +               phy_addr, phy_reg, fe_r32(FE_MDIO_ACCESS) & 0xffff);
2727 +
2728 +       err = rt2880_mdio_wait_ready(priv);
2729 +       if (err)
2730 +               return err;
2731 +
2732 +       t = (1 << 30) | (phy_addr << 24) | (phy_reg << 16) | val;
2733 +       fe_w32(t, FE_MDIO_ACCESS);
2734 +       t |= (1 << 31);
2735 +       fe_w32(t, FE_MDIO_ACCESS);
2736 +
2737 +       return rt2880_mdio_wait_ready(priv);
2738 +}
2739 +
2740 +void rt2880_port_init(struct fe_priv *priv, struct device_node *np)
2741 +{
2742 +       const __be32 *id = of_get_property(np, "reg", NULL);
2743 +       const __be32 *link;
2744 +       int size;
2745 +       int phy_mode;
2746 +
2747 +       if (!id || (be32_to_cpu(*id) != 0)) {
2748 +               pr_err("%s: invalid port id\n", np->name);
2749 +               return;
2750 +       }
2751 +
2752 +       priv->phy->phy_fixed[0] = of_get_property(np, "ralink,fixed-link", &size);
2753 +       if (priv->phy->phy_fixed[0] && (size != (4 * sizeof(*priv->phy->phy_fixed[0])))) {
2754 +               pr_err("%s: invalid fixed link property\n", np->name);
2755 +               priv->phy->phy_fixed[0] = NULL;
2756 +               return;
2757 +       }
2758 +
2759 +       phy_mode = of_get_phy_mode(np);
2760 +       switch (phy_mode) {
2761 +       case PHY_INTERFACE_MODE_RGMII:
2762 +               break;
2763 +       case PHY_INTERFACE_MODE_MII:
2764 +               break;
2765 +       case PHY_INTERFACE_MODE_RMII:
2766 +               break;
2767 +       default:
2768 +               if (!priv->phy->phy_fixed[0])
2769 +                       dev_err(priv->device, "port %d - invalid phy mode\n", priv->phy->speed[0]);
2770 +               break;
2771 +       }
2772 +
2773 +       priv->phy->phy_node[0] = of_parse_phandle(np, "phy-handle", 0);
2774 +       if (!priv->phy->phy_node[0] && !priv->phy->phy_fixed[0])
2775 +               return;
2776 +
2777 +       if (priv->phy->phy_fixed[0]) {
2778 +               link = priv->phy->phy_fixed[0];
2779 +               priv->phy->speed[0] = be32_to_cpup(link++);
2780 +               priv->phy->duplex[0] = be32_to_cpup(link++);
2781 +               priv->phy->tx_fc[0] = be32_to_cpup(link++);
2782 +               priv->phy->rx_fc[0] = be32_to_cpup(link++);
2783 +
2784 +               priv->link[0] = 1;
2785 +               switch (priv->phy->speed[0]) {
2786 +               case SPEED_10:
2787 +                       break;
2788 +               case SPEED_100:
2789 +                       break;
2790 +               case SPEED_1000:
2791 +                       break;
2792 +               default:
2793 +                       dev_err(priv->device, "invalid link speed: %d\n", priv->phy->speed[0]);
2794 +                       priv->phy->phy_fixed[0] = 0;
2795 +                       return;
2796 +               }
2797 +               dev_info(priv->device, "using fixed link parameters\n");
2798 +               rt2880_mdio_link_adjust(priv, 0);
2799 +               return;
2800 +       }
2801 +       if (priv->phy->phy_node[0] && priv->mii_bus->phy_map[0]) {
2802 +               fe_connect_phy_node(priv, priv->phy->phy_node[0]);
2803 +       }
2804 +
2805 +       return;
2806 +}
2807 Index: linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.h
2808 ===================================================================
2809 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2810 +++ linux-3.10.18/drivers/net/ethernet/ralink/mdio_rt2880.h     2013-11-19 11:15:38.972470791 +0100
2811 @@ -0,0 +1,26 @@
2812 +/*
2813 + *   This program is free software; you can redistribute it and/or modify
2814 + *   it under the terms of the GNU General Public License as published by
2815 + *   the Free Software Foundation; version 2 of the License
2816 + *
2817 + *   This program is distributed in the hope that it will be useful,
2818 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2819 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2820 + *   GNU General Public License for more details.
2821 + *
2822 + *   You should have received a copy of the GNU General Public License
2823 + *   along with this program; if not, write to the Free Software
2824 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2825 + *
2826 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2827 + */
2828 +
2829 +#ifndef _RALINK_MDIO_RT2880_H__
2830 +#define _RALINK_MDIO_RT2880_H__
2831 +
2832 +void rt2880_mdio_link_adjust(struct fe_priv *priv, int port);
2833 +int rt2880_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg);
2834 +int rt2880_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
2835 +void rt2880_port_init(struct fe_priv *priv, struct device_node *np);
2836 +
2837 +#endif
2838 Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.c
2839 ===================================================================
2840 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
2841 +++ linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.c  2013-11-21 11:29:22.000113924 +0100
2842 @@ -0,0 +1,744 @@
2843 +/*
2844 + *   This program is free software; you can redistribute it and/or modify
2845 + *   it under the terms of the GNU General Public License as published by
2846 + *   the Free Software Foundation; version 2 of the License
2847 + *
2848 + *   This program is distributed in the hope that it will be useful,
2849 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
2850 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2851 + *   GNU General Public License for more details.
2852 + *
2853 + *   You should have received a copy of the GNU General Public License
2854 + *   along with this program; if not, write to the Free Software
2855 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
2856 + *
2857 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
2858 + */
2859 +
2860 +#include <linux/module.h>
2861 +#include <linux/kernel.h>
2862 +#include <linux/types.h>
2863 +#include <linux/dma-mapping.h>
2864 +#include <linux/init.h>
2865 +#include <linux/skbuff.h>
2866 +#include <linux/etherdevice.h>
2867 +#include <linux/ethtool.h>
2868 +#include <linux/platform_device.h>
2869 +#include <linux/of_device.h>
2870 +#include <linux/clk.h>
2871 +#include <linux/of_net.h>
2872 +#include <linux/of_mdio.h>
2873 +#include <linux/if_vlan.h>
2874 +#include <linux/reset.h>
2875 +
2876 +#include <asm/mach-ralink/ralink_regs.h>
2877 +
2878 +#include "ralink_soc_eth.h"
2879 +#include "esw_rt3052.h"
2880 +#include "mdio.h"
2881 +
2882 +#define TX_TIMEOUT             (20 * HZ / 100)
2883 +#define        MAX_RX_LENGTH           1536
2884 +
2885 +static const u32 fe_reg_table_default[FE_REG_COUNT] = {
2886 +       [FE_REG_PDMA_GLO_CFG] = FE_PDMA_GLO_CFG,
2887 +       [FE_REG_PDMA_RST_CFG] = FE_PDMA_RST_CFG,
2888 +       [FE_REG_DLY_INT_CFG] = FE_DLY_INT_CFG,
2889 +       [FE_REG_TX_BASE_PTR0] = FE_TX_BASE_PTR0,
2890 +       [FE_REG_TX_MAX_CNT0] = FE_TX_MAX_CNT0,
2891 +       [FE_REG_TX_CTX_IDX0] = FE_TX_CTX_IDX0,
2892 +       [FE_REG_RX_BASE_PTR0] = FE_RX_BASE_PTR0,
2893 +       [FE_REG_RX_MAX_CNT0] = FE_RX_MAX_CNT0,
2894 +       [FE_REG_RX_CALC_IDX0] = FE_RX_CALC_IDX0,
2895 +       [FE_REG_FE_INT_ENABLE] = FE_FE_INT_ENABLE,
2896 +       [FE_REG_FE_INT_STATUS] = FE_FE_INT_STATUS,
2897 +};
2898 +
2899 +static const u32 *fe_reg_table = fe_reg_table_default;
2900 +
2901 +static void __iomem *fe_base = 0;
2902 +
2903 +void fe_w32(u32 val, unsigned reg)
2904 +{
2905 +       __raw_writel(val, fe_base + reg);
2906 +}
2907 +
2908 +u32 fe_r32(unsigned reg)
2909 +{
2910 +       return __raw_readl(fe_base + reg);
2911 +}
2912 +
2913 +static inline void fe_reg_w32(u32 val, enum fe_reg reg)
2914 +{
2915 +       fe_w32(val, fe_reg_table[reg]);
2916 +}
2917 +
2918 +static inline u32 fe_reg_r32(enum fe_reg reg)
2919 +{
2920 +       return fe_r32(fe_reg_table[reg]);
2921 +}
2922 +
2923 +static inline void fe_int_disable(u32 mask)
2924 +{
2925 +       fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) & ~mask,
2926 +                    FE_REG_FE_INT_ENABLE);
2927 +       /* flush write */
2928 +       fe_reg_r32(FE_REG_FE_INT_ENABLE);
2929 +}
2930 +
2931 +static inline void fe_int_enable(u32 mask)
2932 +{
2933 +       fe_reg_w32(fe_reg_r32(FE_REG_FE_INT_ENABLE) | mask,
2934 +                    FE_REG_FE_INT_ENABLE);
2935 +       /* flush write */
2936 +       fe_reg_r32(FE_REG_FE_INT_ENABLE);
2937 +}
2938 +
2939 +static inline void fe_hw_set_macaddr(struct fe_priv *priv, unsigned char *mac)
2940 +{
2941 +       unsigned long flags;
2942 +
2943 +       spin_lock_irqsave(&priv->page_lock, flags);
2944 +       fe_w32((mac[0] << 8) | mac[1], FE_GDMA1_MAC_ADRH);
2945 +       fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
2946 +                    FE_GDMA1_MAC_ADRL);
2947 +       spin_unlock_irqrestore(&priv->page_lock, flags);
2948 +}
2949 +
2950 +static int fe_set_mac_address(struct net_device *dev, void *p)
2951 +{
2952 +       int ret = eth_mac_addr(dev, p);
2953 +
2954 +       if (!ret) {
2955 +               struct fe_priv *priv = netdev_priv(dev);
2956 +
2957 +               if (priv->soc->set_mac)
2958 +                       priv->soc->set_mac(priv, dev->dev_addr);
2959 +               else
2960 +                       fe_hw_set_macaddr(priv, p);
2961 +       }
2962 +
2963 +       return ret;
2964 +}
2965 +
2966 +static struct sk_buff* fe_alloc_skb(struct fe_priv *priv)
2967 +{
2968 +       struct sk_buff *skb;
2969 +
2970 +       skb = netdev_alloc_skb(priv->netdev, MAX_RX_LENGTH + NET_IP_ALIGN);
2971 +       if (!skb)
2972 +               return NULL;
2973 +
2974 +       skb_reserve(skb, NET_IP_ALIGN);
2975 +
2976 +       return skb;
2977 +}
2978 +
2979 +static int fe_alloc_rx(struct fe_priv *priv)
2980 +{
2981 +       int size = NUM_DMA_DESC * sizeof(struct fe_rx_dma);
2982 +       int i;
2983 +
2984 +       priv->rx_dma = dma_alloc_coherent(&priv->netdev->dev, size,
2985 +                                       &priv->rx_phys, GFP_ATOMIC);
2986 +       if (!priv->rx_dma)
2987 +               return -ENOMEM;
2988 +
2989 +       memset(priv->rx_dma, 0, size);
2990 +
2991 +       for (i = 0; i < NUM_DMA_DESC; i++) {
2992 +               priv->rx_skb[i] = fe_alloc_skb(priv);
2993 +               if (!priv->rx_skb[i])
2994 +                       return -ENOMEM;
2995 +       }
2996 +
2997 +       for (i = 0; i < NUM_DMA_DESC; i++) {
2998 +               dma_addr_t dma_addr = dma_map_single(&priv->netdev->dev,
2999 +                                               priv->rx_skb[i]->data,
3000 +                                               MAX_RX_LENGTH,
3001 +                                               DMA_FROM_DEVICE);
3002 +               priv->rx_dma[i].rxd1 = (unsigned int) dma_addr;
3003 +
3004 +               if (priv->soc->rx_dma)
3005 +                       priv->soc->rx_dma(priv, i, MAX_RX_LENGTH);
3006 +               else
3007 +                       priv->rx_dma[i].rxd2 = RX_DMA_LSO;
3008 +       }
3009 +       wmb();
3010 +
3011 +       fe_reg_w32(priv->rx_phys, FE_REG_RX_BASE_PTR0);
3012 +       fe_reg_w32(NUM_DMA_DESC, FE_REG_RX_MAX_CNT0);
3013 +       fe_reg_w32((NUM_DMA_DESC - 1), FE_REG_RX_CALC_IDX0);
3014 +       fe_reg_w32(FE_PST_DRX_IDX0, FE_REG_PDMA_RST_CFG);
3015 +
3016 +       return 0;
3017 +}
3018 +
3019 +static int fe_alloc_tx(struct fe_priv *priv)
3020 +{
3021 +       int size = NUM_DMA_DESC * sizeof(struct fe_tx_dma);
3022 +       int i;
3023 +
3024 +       priv->tx_free_idx = 0;
3025 +
3026 +       priv->tx_dma = dma_alloc_coherent(&priv->netdev->dev, size,
3027 +                                       &priv->tx_phys, GFP_ATOMIC);
3028 +       if (!priv->tx_dma)
3029 +               return -ENOMEM;
3030 +
3031 +       memset(priv->tx_dma, 0, size);
3032 +
3033 +       for (i = 0; i < NUM_DMA_DESC; i++) {
3034 +               if (priv->soc->tx_dma) {
3035 +                       priv->soc->tx_dma(priv, i, NULL);
3036 +                       continue;
3037 +               }
3038 +
3039 +               priv->tx_dma[i].txd2 = TX_DMA_LSO | TX_DMA_DONE;
3040 +               priv->tx_dma[i].txd4 = TX_DMA_QN(3) | TX_DMA_PN(1);
3041 +       }
3042 +
3043 +       fe_reg_w32(priv->tx_phys, FE_REG_TX_BASE_PTR0);
3044 +       fe_reg_w32(NUM_DMA_DESC, FE_REG_TX_MAX_CNT0);
3045 +       fe_reg_w32(0, FE_REG_TX_CTX_IDX0);
3046 +       fe_reg_w32(FE_PST_DTX_IDX0, FE_REG_PDMA_RST_CFG);
3047 +
3048 +       return 0;
3049 +}
3050 +
3051 +static void fe_free_dma(struct fe_priv *priv)
3052 +{
3053 +       int i;
3054 +
3055 +       for (i = 0; i < NUM_DMA_DESC; i++) {
3056 +               if (priv->rx_skb[i]) {
3057 +                       dma_unmap_single(&priv->netdev->dev, priv->rx_dma[i].rxd1,
3058 +                                               MAX_RX_LENGTH, DMA_FROM_DEVICE);
3059 +                       dev_kfree_skb_any(priv->rx_skb[i]);
3060 +                       priv->rx_skb[i] = NULL;
3061 +               }
3062 +
3063 +               if (priv->tx_skb[i]) {
3064 +                       dev_kfree_skb_any(priv->tx_skb[i]);
3065 +                       priv->tx_skb[i] = NULL;
3066 +               }
3067 +       }
3068 +
3069 +       if (priv->rx_dma) {
3070 +               int size = NUM_DMA_DESC * sizeof(struct fe_rx_dma);
3071 +               dma_free_coherent(&priv->netdev->dev, size, priv->rx_dma,
3072 +                                       priv->rx_phys);
3073 +       }
3074 +
3075 +       if (priv->tx_dma) {
3076 +               int size = NUM_DMA_DESC * sizeof(struct fe_tx_dma);
3077 +               dma_free_coherent(&priv->netdev->dev, size, priv->tx_dma,
3078 +                                       priv->tx_phys);
3079 +       }
3080 +
3081 +       netdev_reset_queue(priv->netdev);
3082 +}
3083 +
3084 +static int fe_start_xmit(struct sk_buff *skb, struct net_device *dev)
3085 +{
3086 +       struct fe_priv *priv = netdev_priv(dev);
3087 +       dma_addr_t mapped_addr;
3088 +       u32 tx_next;
3089 +       u32 tx;
3090 +
3091 +       if (priv->soc->min_pkt_len) {
3092 +               if (skb->len < priv->soc->min_pkt_len) {
3093 +                       if (skb_padto(skb, priv->soc->min_pkt_len)) {
3094 +                               printk(KERN_ERR
3095 +                                      "fe_eth: skb_padto failed\n");
3096 +                               kfree_skb(skb);
3097 +                               return 0;
3098 +                       }
3099 +                       skb_put(skb, priv->soc->min_pkt_len - skb->len);
3100 +               }
3101 +       }
3102 +
3103 +       dev->trans_start = jiffies;
3104 +       mapped_addr = dma_map_single(&priv->netdev->dev, skb->data,
3105 +                               skb->len, DMA_TO_DEVICE);
3106 +
3107 +       spin_lock(&priv->page_lock);
3108 +
3109 +       tx = fe_reg_r32(FE_REG_TX_CTX_IDX0);
3110 +       tx_next = (tx + 1) % NUM_DMA_DESC;
3111 +
3112 +       if ((priv->tx_skb[tx]) || (priv->tx_skb[tx_next]) ||
3113 +                       !(priv->tx_dma[tx].txd2 & TX_DMA_DONE) ||
3114 +                       !(priv->tx_dma[tx_next].txd2 & TX_DMA_DONE))
3115 +       {
3116 +               spin_unlock(&priv->page_lock);
3117 +               dev->stats.tx_dropped++;
3118 +               kfree_skb(skb);
3119 +
3120 +               return NETDEV_TX_OK;
3121 +       }
3122 +
3123 +       priv->tx_skb[tx] = skb;
3124 +       priv->tx_dma[tx].txd1 = (unsigned int) mapped_addr;
3125 +       wmb();
3126 +
3127 +       priv->tx_dma[tx].txd4 &= ~0x80;
3128 +       if (priv->soc->tx_dma)
3129 +               priv->soc->tx_dma(priv, tx, skb);
3130 +       else
3131 +               priv->tx_dma[tx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(skb->len);
3132 +
3133 +       if (skb->ip_summed == CHECKSUM_PARTIAL)
3134 +               priv->tx_dma[tx].txd4 |= TX_DMA_CHKSUM;
3135 +       else
3136 +               priv->tx_dma[tx].txd4 &= ~TX_DMA_CHKSUM;
3137 +
3138 +       dev->stats.tx_packets++;
3139 +       dev->stats.tx_bytes += skb->len;
3140 +
3141 +       fe_reg_w32(tx_next, FE_REG_TX_CTX_IDX0);
3142 +       netdev_sent_queue(dev, skb->len);
3143 +
3144 +       spin_unlock(&priv->page_lock);
3145 +
3146 +       return NETDEV_TX_OK;
3147 +}
3148 +
3149 +static int fe_poll_rx(struct napi_struct *napi, int budget)
3150 +{
3151 +       struct fe_priv *priv = container_of(napi, struct fe_priv, rx_napi);
3152 +       int idx = fe_reg_r32(FE_REG_RX_CALC_IDX0);
3153 +       int complete = 0;
3154 +       int rx = 0;
3155 +
3156 +       while ((rx < budget) && !complete) {
3157 +               idx = (idx + 1) % NUM_DMA_DESC;
3158 +
3159 +               if (priv->rx_dma[idx].rxd2 & RX_DMA_DONE) {
3160 +                       struct sk_buff *new_skb = fe_alloc_skb(priv);
3161 +
3162 +                       if (new_skb) {
3163 +                               int pktlen = RX_DMA_PLEN0(priv->rx_dma[idx].rxd2);
3164 +                               dma_addr_t dma_addr;
3165 +
3166 +                               dma_unmap_single(&priv->netdev->dev, priv->rx_dma[idx].rxd1,
3167 +                                               MAX_RX_LENGTH, DMA_FROM_DEVICE);
3168 +
3169 +                               skb_put(priv->rx_skb[idx], pktlen);
3170 +                               priv->rx_skb[idx]->dev = priv->netdev;
3171 +                               priv->rx_skb[idx]->protocol = eth_type_trans(priv->rx_skb[idx], priv->netdev);
3172 +                               if (priv->rx_dma[idx].rxd4 & priv->soc->checksum_bit)
3173 +                                       priv->rx_skb[idx]->ip_summed = CHECKSUM_UNNECESSARY;
3174 +                               else
3175 +                                       priv->rx_skb[idx]->ip_summed = CHECKSUM_NONE;
3176 +                               priv->netdev->stats.rx_packets++;
3177 +                               priv->netdev->stats.rx_bytes += pktlen;
3178 +                               netif_receive_skb(priv->rx_skb[idx]);
3179 +
3180 +                               priv->rx_skb[idx] = new_skb;
3181 +
3182 +                               dma_addr = dma_map_single(&priv->netdev->dev,
3183 +                                                 new_skb->data,
3184 +                                                 MAX_RX_LENGTH,
3185 +                                                 DMA_FROM_DEVICE);
3186 +                               priv->rx_dma[idx].rxd1 = (unsigned int) dma_addr;
3187 +                               wmb();
3188 +                       } else {
3189 +                               priv->netdev->stats.rx_dropped++;
3190 +                       }
3191 +
3192 +                       if (priv->soc->rx_dma)
3193 +                               priv->soc->rx_dma(priv, idx, MAX_RX_LENGTH);
3194 +                       else
3195 +                               priv->rx_dma[idx].rxd2 = RX_DMA_LSO;
3196 +                       fe_reg_w32(idx, FE_REG_RX_CALC_IDX0);
3197 +
3198 +                       rx++;
3199 +               } else {
3200 +                       complete = 1;
3201 +               }
3202 +       }
3203 +
3204 +       if (complete) {
3205 +               napi_complete(&priv->rx_napi);
3206 +               fe_int_enable(priv->soc->rx_dly_int);
3207 +       }
3208 +
3209 +       return rx;
3210 +}
3211 +
3212 +static void fe_tx_housekeeping(unsigned long ptr)
3213 +{
3214 +       struct net_device *dev = (struct net_device*)ptr;
3215 +       struct fe_priv *priv = netdev_priv(dev);
3216 +       unsigned int bytes_compl = 0;
3217 +       unsigned int pkts_compl = 0;
3218 +
3219 +       spin_lock(&priv->page_lock);
3220 +       while (1) {
3221 +               struct fe_tx_dma *txd;
3222 +
3223 +               txd = &priv->tx_dma[priv->tx_free_idx];
3224 +
3225 +               if (!(txd->txd2 & TX_DMA_DONE) || !(priv->tx_skb[priv->tx_free_idx]))
3226 +                       break;
3227 +
3228 +               bytes_compl += priv->tx_skb[priv->tx_free_idx]->len;
3229 +               pkts_compl++;
3230 +
3231 +               dev_kfree_skb_irq(priv->tx_skb[priv->tx_free_idx]);
3232 +               priv->tx_skb[priv->tx_free_idx] = NULL;
3233 +               priv->tx_free_idx++;
3234 +               if (priv->tx_free_idx >= NUM_DMA_DESC)
3235 +                       priv->tx_free_idx = 0;
3236 +       }
3237 +
3238 +       netdev_completed_queue(priv->netdev, pkts_compl, bytes_compl);
3239 +        spin_unlock(&priv->page_lock);
3240 +
3241 +       fe_int_enable(priv->soc->tx_dly_int);
3242 +}
3243 +
3244 +static void fe_tx_timeout(struct net_device *dev)
3245 +{
3246 +       struct fe_priv *priv = netdev_priv(dev);
3247 +
3248 +        tasklet_schedule(&priv->tx_tasklet);
3249 +       priv->netdev->stats.tx_errors++;
3250 +       netdev_err(dev, "transmit timed out, waking up the queue\n");
3251 +       netif_wake_queue(dev);
3252 +}
3253 +
3254 +static irqreturn_t fe_handle_irq(int irq, void *dev)
3255 +{
3256 +       struct fe_priv *priv = netdev_priv(dev);
3257 +       unsigned int status;
3258 +       unsigned int mask;
3259 +
3260 +       status = fe_reg_r32(FE_REG_FE_INT_STATUS);
3261 +       mask = fe_reg_r32(FE_REG_FE_INT_ENABLE);
3262 +
3263 +       if (!(status & mask))
3264 +               return IRQ_NONE;
3265 +
3266 +       if (status & priv->soc->rx_dly_int) {
3267 +               fe_int_disable(priv->soc->rx_dly_int);
3268 +               napi_schedule(&priv->rx_napi);
3269 +       }
3270 +
3271 +       if (status & priv->soc->tx_dly_int) {
3272 +               fe_int_disable(priv->soc->tx_dly_int);
3273 +               tasklet_schedule(&priv->tx_tasklet);
3274 +       }
3275 +
3276 +       fe_reg_w32(status, FE_REG_FE_INT_STATUS);
3277 +
3278 +       return IRQ_HANDLED;
3279 +}
3280 +
3281 +static int fe_hw_init(struct net_device *dev)
3282 +{
3283 +       struct fe_priv *priv = netdev_priv(dev);
3284 +       int err;
3285 +
3286 +       err = devm_request_irq(priv->device, dev->irq, fe_handle_irq, 0,
3287 +                               dev_name(priv->device), dev);
3288 +       if (err)
3289 +               return err;
3290 +
3291 +       err = fe_alloc_rx(priv);
3292 +       if (!err)
3293 +               err = fe_alloc_tx(priv);
3294 +       if (err)
3295 +               return err;
3296 +
3297 +       if (priv->soc->set_mac)
3298 +               priv->soc->set_mac(priv, dev->dev_addr);
3299 +       else
3300 +               fe_hw_set_macaddr(priv, dev->dev_addr);
3301 +
3302 +       fe_reg_w32(FE_DELAY_INIT, FE_REG_DLY_INT_CFG);
3303 +
3304 +       fe_int_disable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
3305 +
3306 +       tasklet_init(&priv->tx_tasklet, fe_tx_housekeeping, (unsigned long)dev);
3307 +
3308 +       if (priv->soc->fwd_config) {
3309 +               priv->soc->fwd_config(priv);
3310 +       } else {
3311 +               unsigned long sysclk = priv->sysclk;
3312 +
3313 +               if (!sysclk) {
3314 +                       netdev_err(dev, "unable to get clock\n");
3315 +                       return -EINVAL;
3316 +               }
3317 +
3318 +               sysclk /= FE_US_CYC_CNT_DIVISOR;
3319 +               sysclk <<= FE_US_CYC_CNT_SHIFT;
3320 +
3321 +               fe_w32((fe_r32(FE_FE_GLO_CFG) &
3322 +                       ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) | sysclk,
3323 +                       FE_FE_GLO_CFG);
3324 +
3325 +               fe_w32(fe_r32(FE_GDMA1_FWD_CFG) & ~0xffff, FE_GDMA1_FWD_CFG);
3326 +               fe_w32(fe_r32(FE_GDMA1_FWD_CFG) | (FE_GDM1_ICS_EN | FE_GDM1_TCS_EN | FE_GDM1_UCS_EN),
3327 +                       FE_GDMA1_FWD_CFG);
3328 +               fe_w32(fe_r32(FE_CDMA_CSG_CFG) | (FE_ICS_GEN_EN | FE_TCS_GEN_EN | FE_UCS_GEN_EN),
3329 +                       FE_CDMA_CSG_CFG);
3330 +               fe_w32(FE_PSE_FQFC_CFG_INIT, FE_PSE_FQ_CFG);
3331 +       }
3332 +
3333 +       fe_w32(1, FE_FE_RST_GL);
3334 +       fe_w32(0, FE_FE_RST_GL);
3335 +
3336 +       return 0;
3337 +}
3338 +
3339 +static int fe_open(struct net_device *dev)
3340 +{
3341 +       struct fe_priv *priv = netdev_priv(dev);
3342 +       unsigned long flags;
3343 +       u32 val;
3344 +
3345 +       spin_lock_irqsave(&priv->page_lock, flags);
3346 +       napi_enable(&priv->rx_napi);
3347 +
3348 +       val = FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN;
3349 +       val |= priv->soc->pdma_glo_cfg;
3350 +       fe_reg_w32(val, FE_REG_PDMA_GLO_CFG);
3351 +
3352 +       spin_unlock_irqrestore(&priv->page_lock, flags);
3353 +
3354 +       if (priv->phy)
3355 +               priv->phy->start(priv);
3356 +
3357 +       if (priv->soc->has_carrier && priv->soc->has_carrier(priv))
3358 +               netif_carrier_on(dev);
3359 +
3360 +       netif_start_queue(dev);
3361 +       fe_int_enable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
3362 +
3363 +       return 0;
3364 +}
3365 +
3366 +static int fe_stop(struct net_device *dev)
3367 +{
3368 +       struct fe_priv *priv = netdev_priv(dev);
3369 +       unsigned long flags;
3370 +
3371 +       fe_int_disable(priv->soc->tx_dly_int | priv->soc->rx_dly_int);
3372 +
3373 +       netif_stop_queue(dev);
3374 +
3375 +       if (priv->phy)
3376 +               priv->phy->stop(priv);
3377 +
3378 +       spin_lock_irqsave(&priv->page_lock, flags);
3379 +       napi_disable(&priv->rx_napi);
3380 +
3381 +       fe_reg_w32(fe_reg_r32(FE_REG_PDMA_GLO_CFG) &
3382 +                    ~(FE_TX_WB_DDONE | FE_RX_DMA_EN | FE_TX_DMA_EN),
3383 +                    FE_REG_PDMA_GLO_CFG);
3384 +       spin_unlock_irqrestore(&priv->page_lock, flags);
3385 +
3386 +       return 0;
3387 +}
3388 +
3389 +static int __init fe_init(struct net_device *dev)
3390 +{
3391 +       struct fe_priv *priv = netdev_priv(dev);
3392 +       struct device_node *port;
3393 +       int err;
3394 +
3395 +       BUG_ON(!priv->soc->reset_fe);
3396 +       priv->soc->reset_fe();
3397 +
3398 +       if (priv->soc->switch_init)
3399 +               priv->soc->switch_init(priv);
3400 +
3401 +       net_srandom(jiffies);
3402 +       memcpy(dev->dev_addr, priv->soc->mac, ETH_ALEN);
3403 +       of_get_mac_address_mtd(priv->device->of_node, dev->dev_addr);
3404 +
3405 +       err = fe_mdio_init(priv);
3406 +       if (err)
3407 +               return err;
3408 +
3409 +       if (priv->phy) {
3410 +               err = priv->phy->connect(priv);
3411 +               if (err)
3412 +                       goto err_mdio_cleanup;
3413 +       }
3414 +
3415 +       if (priv->soc->port_init)
3416 +               for_each_child_of_node(priv->device->of_node, port)
3417 +                       if (of_device_is_compatible(port, "ralink,eth-port") && of_device_is_available(port))
3418 +                               priv->soc->port_init(priv, port);
3419 +
3420 +       err = fe_hw_init(dev);
3421 +       if (err)
3422 +               goto err_phy_disconnect;
3423 +
3424 +       if (priv->soc->switch_config)
3425 +               priv->soc->switch_config(priv);
3426 +
3427 +       return 0;
3428 +
3429 +err_phy_disconnect:
3430 +       if (priv->phy)
3431 +               priv->phy->disconnect(priv);
3432 +err_mdio_cleanup:
3433 +       fe_mdio_cleanup(priv);
3434 +
3435 +       return err;
3436 +}
3437 +
3438 +static void fe_uninit(struct net_device *dev)
3439 +{
3440 +       struct fe_priv *priv = netdev_priv(dev);
3441 +
3442 +       tasklet_kill(&priv->tx_tasklet);
3443 +
3444 +       if (priv->phy)
3445 +               priv->phy->disconnect(priv);
3446 +       fe_mdio_cleanup(priv);
3447 +
3448 +       fe_reg_w32(0, FE_REG_FE_INT_ENABLE);
3449 +       free_irq(dev->irq, dev);
3450 +
3451 +       fe_free_dma(priv);
3452 +}
3453 +
3454 +static const struct net_device_ops fe_netdev_ops = {
3455 +       .ndo_init               = fe_init,
3456 +       .ndo_uninit             = fe_uninit,
3457 +       .ndo_open               = fe_open,
3458 +       .ndo_stop               = fe_stop,
3459 +       .ndo_start_xmit         = fe_start_xmit,
3460 +       .ndo_tx_timeout         = fe_tx_timeout,
3461 +       .ndo_set_mac_address    = fe_set_mac_address,
3462 +       .ndo_change_mtu         = eth_change_mtu,
3463 +       .ndo_validate_addr      = eth_validate_addr,
3464 +};
3465 +
3466 +static int fe_probe(struct platform_device *pdev)
3467 +{
3468 +       struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
3469 +       const struct of_device_id *match;
3470 +       struct fe_soc_data *soc = NULL;
3471 +       struct net_device *netdev;
3472 +       struct fe_priv *priv;
3473 +       struct clk *sysclk;
3474 +       int err;
3475 +
3476 +       device_reset(&pdev->dev);
3477 +
3478 +       match = of_match_device(of_fe_match, &pdev->dev);
3479 +       soc = (struct fe_soc_data *) match->data;
3480 +       if (soc->reg_table)
3481 +               fe_reg_table = soc->reg_table;
3482 +
3483 +       fe_base = devm_request_and_ioremap(&pdev->dev, res);
3484 +       if (!fe_base)
3485 +               return -ENOMEM;
3486 +
3487 +       netdev = alloc_etherdev(sizeof(struct fe_priv));
3488 +       if (!netdev) {
3489 +               dev_err(&pdev->dev, "alloc_etherdev failed\n");
3490 +               return -ENOMEM;
3491 +       }
3492 +
3493 +       strcpy(netdev->name, "eth%d");
3494 +       netdev->netdev_ops = &fe_netdev_ops;
3495 +       netdev->base_addr = (unsigned long) fe_base;
3496 +       netdev->watchdog_timeo = TX_TIMEOUT;
3497 +       netdev->features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM;
3498 +
3499 +       if (fe_reg_table[FE_REG_FE_DMA_VID_BASE])
3500 +               netdev->features |= NETIF_F_HW_VLAN_CTAG_TX;
3501 +
3502 +       netdev->irq = platform_get_irq(pdev, 0);
3503 +       if (netdev->irq < 0) {
3504 +               dev_err(&pdev->dev, "no IRQ resource found\n");
3505 +               kfree(netdev);
3506 +               return -ENXIO;
3507 +       }
3508 +
3509 +       priv = netdev_priv(netdev);
3510 +       memset(priv, 0, sizeof(struct fe_priv));
3511 +       spin_lock_init(&priv->page_lock);
3512 +
3513 +       sysclk = devm_clk_get(&pdev->dev, NULL);
3514 +       if (!IS_ERR(sysclk))
3515 +               priv->sysclk = clk_get_rate(sysclk);
3516 +
3517 +       priv->netdev = netdev;
3518 +       priv->device = &pdev->dev;
3519 +       priv->soc = soc;
3520 +
3521 +       err = register_netdev(netdev);
3522 +       if (err) {
3523 +               dev_err(&pdev->dev, "error bringing up device\n");
3524 +               kfree(netdev);
3525 +               return err;
3526 +       }
3527 +       netif_napi_add(netdev, &priv->rx_napi, fe_poll_rx, 32);
3528 +
3529 +       platform_set_drvdata(pdev, netdev);
3530 +
3531 +       netdev_info(netdev, "done loading\n");
3532 +
3533 +       return 0;
3534 +}
3535 +
3536 +static int fe_remove(struct platform_device *pdev)
3537 +{
3538 +        struct net_device *dev = platform_get_drvdata(pdev);
3539 +       struct fe_priv *priv = netdev_priv(dev);
3540 +
3541 +       netif_stop_queue(dev);
3542 +       netif_napi_del(&priv->rx_napi);
3543 +
3544 +       unregister_netdev(dev);
3545 +       free_netdev(dev);
3546 +
3547 +       return 0;
3548 +}
3549 +
3550 +static struct platform_driver fe_driver = {
3551 +       .probe = fe_probe,
3552 +       .remove = fe_remove,
3553 +       .driver = {
3554 +               .name = "ralink_soc_eth",
3555 +               .owner = THIS_MODULE,
3556 +               .of_match_table = of_fe_match,
3557 +       },
3558 +};
3559 +
3560 +static int __init init_rtfe(void)
3561 +{
3562 +       int ret;
3563 +
3564 +       ret = rtesw_init();
3565 +       if (ret)
3566 +               return ret;
3567 +
3568 +       ret = platform_driver_register(&fe_driver);
3569 +       if (ret)
3570 +               rtesw_exit();
3571 +
3572 +       return ret;
3573 +}
3574 +
3575 +static void __exit exit_rtfe(void)
3576 +{
3577 +       platform_driver_unregister(&fe_driver);
3578 +       rtesw_exit();
3579 +}
3580 +
3581 +module_init(init_rtfe);
3582 +module_exit(exit_rtfe);
3583 +
3584 +MODULE_LICENSE("GPL");
3585 +MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
3586 +MODULE_DESCRIPTION("Ethernet driver for Ralink SoC");
3587 Index: linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h
3588 ===================================================================
3589 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
3590 +++ linux-3.10.18/drivers/net/ethernet/ralink/ralink_soc_eth.h  2013-11-21 11:11:54.160088954 +0100
3591 @@ -0,0 +1,375 @@
3592 +/*
3593 + *   This program is free software; you can redistribute it and/or modify
3594 + *   it under the terms of the GNU General Public License as published by
3595 + *   the Free Software Foundation; version 2 of the License
3596 + *
3597 + *   This program is distributed in the hope that it will be useful,
3598 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
3599 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
3600 + *   GNU General Public License for more details.
3601 + *
3602 + *   You should have received a copy of the GNU General Public License
3603 + *   along with this program; if not, write to the Free Software
3604 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
3605 + *
3606 + *   based on Ralink SDK3.3
3607 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
3608 + */
3609 +
3610 +#ifndef FE_ETH_H
3611 +#define FE_ETH_H
3612 +
3613 +#include <linux/mii.h>
3614 +#include <linux/interrupt.h>
3615 +#include <linux/netdevice.h>
3616 +#include <linux/dma-mapping.h>
3617 +#include <linux/phy.h>
3618 +
3619 +
3620 +enum fe_reg {
3621 +       FE_REG_PDMA_GLO_CFG = 0,
3622 +       FE_REG_PDMA_RST_CFG,
3623 +       FE_REG_DLY_INT_CFG,
3624 +       FE_REG_TX_BASE_PTR0,
3625 +       FE_REG_TX_MAX_CNT0,
3626 +       FE_REG_TX_CTX_IDX0,
3627 +       FE_REG_RX_BASE_PTR0,
3628 +       FE_REG_RX_MAX_CNT0,
3629 +       FE_REG_RX_CALC_IDX0,
3630 +       FE_REG_FE_INT_ENABLE,
3631 +       FE_REG_FE_INT_STATUS,
3632 +       FE_REG_FE_DMA_VID_BASE,
3633 +       FE_REG_COUNT
3634 +};
3635 +
3636 +#define NUM_DMA_DESC           0x100
3637 +
3638 +#define FE_DELAY_EN_INT                0x80
3639 +#define FE_DELAY_MAX_INT       0x04
3640 +#define FE_DELAY_MAX_TOUT      0x04
3641 +#define FE_DELAY_CHAN          (((FE_DELAY_EN_INT | FE_DELAY_MAX_INT) << 8) | FE_DELAY_MAX_TOUT)
3642 +#define FE_DELAY_INIT          ((FE_DELAY_CHAN << 16) | FE_DELAY_CHAN)
3643 +#define FE_PSE_FQFC_CFG_INIT   0x80504000
3644 +
3645 +/* interrupt bits */
3646 +#define FE_CNT_PPE_AF          BIT(31)
3647 +#define FE_CNT_GDM_AF          BIT(29)
3648 +#define FE_PSE_P2_FC           BIT(26)
3649 +#define FE_PSE_BUF_DROP                BIT(24)
3650 +#define FE_GDM_OTHER_DROP      BIT(23)
3651 +#define FE_PSE_P1_FC           BIT(22)
3652 +#define FE_PSE_P0_FC           BIT(21)
3653 +#define FE_PSE_FQ_EMPTY                BIT(20)
3654 +#define FE_GE1_STA_CHG         BIT(18)
3655 +#define FE_TX_COHERENT         BIT(17)
3656 +#define FE_RX_COHERENT         BIT(16)
3657 +#define FE_TX_DONE_INT3                BIT(11)
3658 +#define FE_TX_DONE_INT2                BIT(10)
3659 +#define FE_TX_DONE_INT1                BIT(9)
3660 +#define FE_TX_DONE_INT0                BIT(8)
3661 +#define FE_RX_DONE_INT0                BIT(2)
3662 +#define FE_TX_DLY_INT          BIT(1)
3663 +#define FE_RX_DLY_INT          BIT(0)
3664 +
3665 +#define RT5350_RX_DLY_INT      BIT(30)
3666 +#define RT5350_TX_DLY_INT      BIT(28)
3667 +
3668 +/* registers */
3669 +#define FE_FE_OFFSET           0x0000
3670 +#define FE_GDMA_OFFSET         0x0020
3671 +#define FE_PSE_OFFSET          0x0040
3672 +#define FE_GDMA2_OFFSET                0x0060
3673 +#define FE_CDMA_OFFSET         0x0080
3674 +#define FE_DMA_VID0            0x00a8
3675 +#define FE_PDMA_OFFSET         0x0100
3676 +#define FE_PPE_OFFSET          0x0200
3677 +#define FE_CMTABLE_OFFSET      0x0400
3678 +#define FE_POLICYTABLE_OFFSET  0x1000
3679 +
3680 +#define RT5350_PDMA_OFFSET     0x0800
3681 +#define RT5350_SDM_OFFSET      0x0c00
3682 +
3683 +#define FE_MDIO_ACCESS         (FE_FE_OFFSET + 0x00)
3684 +#define FE_MDIO_CFG            (FE_FE_OFFSET + 0x04)
3685 +#define FE_FE_GLO_CFG          (FE_FE_OFFSET + 0x08)
3686 +#define FE_FE_RST_GL           (FE_FE_OFFSET + 0x0C)
3687 +#define FE_FE_INT_STATUS       (FE_FE_OFFSET + 0x10)
3688 +#define FE_FE_INT_ENABLE       (FE_FE_OFFSET + 0x14)
3689 +#define FE_MDIO_CFG2           (FE_FE_OFFSET + 0x18)
3690 +#define FE_FOC_TS_T            (FE_FE_OFFSET + 0x1C)
3691 +
3692 +#define        FE_GDMA1_FWD_CFG        (FE_GDMA_OFFSET + 0x00)
3693 +#define FE_GDMA1_SCH_CFG       (FE_GDMA_OFFSET + 0x04)
3694 +#define FE_GDMA1_SHPR_CFG      (FE_GDMA_OFFSET + 0x08)
3695 +#define FE_GDMA1_MAC_ADRL      (FE_GDMA_OFFSET + 0x0C)
3696 +#define FE_GDMA1_MAC_ADRH      (FE_GDMA_OFFSET + 0x10)
3697 +
3698 +#define        FE_GDMA2_FWD_CFG        (FE_GDMA2_OFFSET + 0x00)
3699 +#define FE_GDMA2_SCH_CFG       (FE_GDMA2_OFFSET + 0x04)
3700 +#define FE_GDMA2_SHPR_CFG      (FE_GDMA2_OFFSET + 0x08)
3701 +#define FE_GDMA2_MAC_ADRL      (FE_GDMA2_OFFSET + 0x0C)
3702 +#define FE_GDMA2_MAC_ADRH      (FE_GDMA2_OFFSET + 0x10)
3703 +
3704 +#define FE_PSE_FQ_CFG          (FE_PSE_OFFSET + 0x00)
3705 +#define FE_CDMA_FC_CFG         (FE_PSE_OFFSET + 0x04)
3706 +#define FE_GDMA1_FC_CFG                (FE_PSE_OFFSET + 0x08)
3707 +#define FE_GDMA2_FC_CFG                (FE_PSE_OFFSET + 0x0C)
3708 +
3709 +#define FE_CDMA_CSG_CFG                (FE_CDMA_OFFSET + 0x00)
3710 +#define FE_CDMA_SCH_CFG                (FE_CDMA_OFFSET + 0x04)
3711 +
3712 +#define MT7620A_GDMA_OFFSET            0x0600
3713 +#define        MT7620A_GDMA1_FWD_CFG           (MT7620A_GDMA_OFFSET + 0x00)
3714 +#define MT7620A_FE_GDMA1_SCH_CFG       (MT7620A_GDMA_OFFSET + 0x04)
3715 +#define MT7620A_FE_GDMA1_SHPR_CFG      (MT7620A_GDMA_OFFSET + 0x08)
3716 +#define MT7620A_FE_GDMA1_MAC_ADRL      (MT7620A_GDMA_OFFSET + 0x0C)
3717 +#define MT7620A_FE_GDMA1_MAC_ADRH      (MT7620A_GDMA_OFFSET + 0x10)
3718 +
3719 +#define RT5350_TX_BASE_PTR0    (RT5350_PDMA_OFFSET + 0x00)
3720 +#define RT5350_TX_MAX_CNT0     (RT5350_PDMA_OFFSET + 0x04)
3721 +#define RT5350_TX_CTX_IDX0     (RT5350_PDMA_OFFSET + 0x08)
3722 +#define RT5350_TX_DTX_IDX0     (RT5350_PDMA_OFFSET + 0x0C)
3723 +#define RT5350_TX_BASE_PTR1    (RT5350_PDMA_OFFSET + 0x10)
3724 +#define RT5350_TX_MAX_CNT1     (RT5350_PDMA_OFFSET + 0x14)
3725 +#define RT5350_TX_CTX_IDX1     (RT5350_PDMA_OFFSET + 0x18)
3726 +#define RT5350_TX_DTX_IDX1     (RT5350_PDMA_OFFSET + 0x1C)
3727 +#define RT5350_TX_BASE_PTR2    (RT5350_PDMA_OFFSET + 0x20)
3728 +#define RT5350_TX_MAX_CNT2     (RT5350_PDMA_OFFSET + 0x24)
3729 +#define RT5350_TX_CTX_IDX2     (RT5350_PDMA_OFFSET + 0x28)
3730 +#define RT5350_TX_DTX_IDX2     (RT5350_PDMA_OFFSET + 0x2C)
3731 +#define RT5350_TX_BASE_PTR3    (RT5350_PDMA_OFFSET + 0x30)
3732 +#define RT5350_TX_MAX_CNT3     (RT5350_PDMA_OFFSET + 0x34)
3733 +#define RT5350_TX_CTX_IDX3     (RT5350_PDMA_OFFSET + 0x38)
3734 +#define RT5350_TX_DTX_IDX3     (RT5350_PDMA_OFFSET + 0x3C)
3735 +#define RT5350_RX_BASE_PTR0    (RT5350_PDMA_OFFSET + 0x100)
3736 +#define RT5350_RX_MAX_CNT0     (RT5350_PDMA_OFFSET + 0x104)
3737 +#define RT5350_RX_CALC_IDX0    (RT5350_PDMA_OFFSET + 0x108)
3738 +#define RT5350_RX_DRX_IDX0     (RT5350_PDMA_OFFSET + 0x10C)
3739 +#define RT5350_RX_BASE_PTR1    (RT5350_PDMA_OFFSET + 0x110)
3740 +#define RT5350_RX_MAX_CNT1     (RT5350_PDMA_OFFSET + 0x114)
3741 +#define RT5350_RX_CALC_IDX1    (RT5350_PDMA_OFFSET + 0x118)
3742 +#define RT5350_RX_DRX_IDX1     (RT5350_PDMA_OFFSET + 0x11C)
3743 +#define RT5350_PDMA_GLO_CFG    (RT5350_PDMA_OFFSET + 0x204)
3744 +#define RT5350_PDMA_RST_CFG    (RT5350_PDMA_OFFSET + 0x208)
3745 +#define RT5350_DLY_INT_CFG     (RT5350_PDMA_OFFSET + 0x20c)
3746 +#define RT5350_FE_INT_STATUS   (RT5350_PDMA_OFFSET + 0x220)
3747 +#define RT5350_FE_INT_ENABLE   (RT5350_PDMA_OFFSET + 0x228)
3748 +#define RT5350_PDMA_SCH_CFG    (RT5350_PDMA_OFFSET + 0x280)
3749 +
3750 +#define FE_PDMA_GLO_CFG                (FE_PDMA_OFFSET + 0x00)
3751 +#define FE_PDMA_RST_CFG                (FE_PDMA_OFFSET + 0x04)
3752 +#define FE_PDMA_SCH_CFG                (FE_PDMA_OFFSET + 0x08)
3753 +#define FE_DLY_INT_CFG         (FE_PDMA_OFFSET + 0x0C)
3754 +#define FE_TX_BASE_PTR0                (FE_PDMA_OFFSET + 0x10)
3755 +#define FE_TX_MAX_CNT0         (FE_PDMA_OFFSET + 0x14)
3756 +#define FE_TX_CTX_IDX0         (FE_PDMA_OFFSET + 0x18)
3757 +#define FE_TX_DTX_IDX0         (FE_PDMA_OFFSET + 0x1C)
3758 +#define FE_TX_BASE_PTR1                (FE_PDMA_OFFSET + 0x20)
3759 +#define FE_TX_MAX_CNT1         (FE_PDMA_OFFSET + 0x24)
3760 +#define FE_TX_CTX_IDX1         (FE_PDMA_OFFSET + 0x28)
3761 +#define FE_TX_DTX_IDX1         (FE_PDMA_OFFSET + 0x2C)
3762 +#define FE_RX_BASE_PTR0                (FE_PDMA_OFFSET + 0x30)
3763 +#define FE_RX_MAX_CNT0         (FE_PDMA_OFFSET + 0x34)
3764 +#define FE_RX_CALC_IDX0                (FE_PDMA_OFFSET + 0x38)
3765 +#define FE_RX_DRX_IDX0         (FE_PDMA_OFFSET + 0x3C)
3766 +#define FE_TX_BASE_PTR2                (FE_PDMA_OFFSET + 0x40)
3767 +#define FE_TX_MAX_CNT2         (FE_PDMA_OFFSET + 0x44)
3768 +#define FE_TX_CTX_IDX2         (FE_PDMA_OFFSET + 0x48)
3769 +#define FE_TX_DTX_IDX2         (FE_PDMA_OFFSET + 0x4C)
3770 +#define FE_TX_BASE_PTR3                (FE_PDMA_OFFSET + 0x50)
3771 +#define FE_TX_MAX_CNT3         (FE_PDMA_OFFSET + 0x54)
3772 +#define FE_TX_CTX_IDX3         (FE_PDMA_OFFSET + 0x58)
3773 +#define FE_TX_DTX_IDX3         (FE_PDMA_OFFSET + 0x5C)
3774 +#define FE_RX_BASE_PTR1                (FE_PDMA_OFFSET + 0x60)
3775 +#define FE_RX_MAX_CNT1         (FE_PDMA_OFFSET + 0x64)
3776 +#define FE_RX_CALC_IDX1                (FE_PDMA_OFFSET + 0x68)
3777 +#define FE_RX_DRX_IDX1         (FE_PDMA_OFFSET + 0x6C)
3778 +
3779 +#define RT5350_SDM_CFG         (RT5350_SDM_OFFSET + 0x00)  //Switch DMA configuration
3780 +#define RT5350_SDM_RRING       (RT5350_SDM_OFFSET + 0x04)  //Switch DMA Rx Ring
3781 +#define RT5350_SDM_TRING       (RT5350_SDM_OFFSET + 0x08)  //Switch DMA Tx Ring
3782 +#define RT5350_SDM_MAC_ADRL    (RT5350_SDM_OFFSET + 0x0C)  //Switch MAC address LSB
3783 +#define RT5350_SDM_MAC_ADRH    (RT5350_SDM_OFFSET + 0x10)  //Switch MAC Address MSB
3784 +#define RT5350_SDM_TPCNT       (RT5350_SDM_OFFSET + 0x100) //Switch DMA Tx packet count
3785 +#define RT5350_SDM_TBCNT       (RT5350_SDM_OFFSET + 0x104) //Switch DMA Tx byte count
3786 +#define RT5350_SDM_RPCNT       (RT5350_SDM_OFFSET + 0x108) //Switch DMA rx packet count
3787 +#define RT5350_SDM_RBCNT       (RT5350_SDM_OFFSET + 0x10C) //Switch DMA rx byte count
3788 +#define RT5350_SDM_CS_ERR      (RT5350_SDM_OFFSET + 0x110) //Switch DMA rx checksum error count
3789 +
3790 +#define RT5350_SDM_ICS_EN      BIT(16)
3791 +#define RT5350_SDM_TCS_EN      BIT(17)
3792 +#define RT5350_SDM_UCS_EN      BIT(18)
3793 +
3794 +
3795 +/* MDIO_CFG register bits */
3796 +#define FE_MDIO_CFG_AUTO_POLL_EN       BIT(29)
3797 +#define FE_MDIO_CFG_GP1_BP_EN          BIT(16)
3798 +#define FE_MDIO_CFG_GP1_FRC_EN         BIT(15)
3799 +#define FE_MDIO_CFG_GP1_SPEED_10       (0 << 13)
3800 +#define FE_MDIO_CFG_GP1_SPEED_100      (1 << 13)
3801 +#define FE_MDIO_CFG_GP1_SPEED_1000     (2 << 13)
3802 +#define FE_MDIO_CFG_GP1_DUPLEX         BIT(12)
3803 +#define FE_MDIO_CFG_GP1_FC_TX          BIT(11)
3804 +#define FE_MDIO_CFG_GP1_FC_RX          BIT(10)
3805 +#define FE_MDIO_CFG_GP1_LNK_DWN                BIT(9)
3806 +#define FE_MDIO_CFG_GP1_AN_FAIL                BIT(8)
3807 +#define FE_MDIO_CFG_MDC_CLK_DIV_1      (0 << 6)
3808 +#define FE_MDIO_CFG_MDC_CLK_DIV_2      (1 << 6)
3809 +#define FE_MDIO_CFG_MDC_CLK_DIV_4      (2 << 6)
3810 +#define FE_MDIO_CFG_MDC_CLK_DIV_8      (3 << 6)
3811 +#define FE_MDIO_CFG_TURBO_MII_FREQ     BIT(5)
3812 +#define FE_MDIO_CFG_TURBO_MII_MODE     BIT(4)
3813 +#define FE_MDIO_CFG_RX_CLK_SKEW_0      (0 << 2)
3814 +#define FE_MDIO_CFG_RX_CLK_SKEW_200    (1 << 2)
3815 +#define FE_MDIO_CFG_RX_CLK_SKEW_400    (2 << 2)
3816 +#define FE_MDIO_CFG_RX_CLK_SKEW_INV    (3 << 2)
3817 +#define FE_MDIO_CFG_TX_CLK_SKEW_0      0
3818 +#define FE_MDIO_CFG_TX_CLK_SKEW_200    1
3819 +#define FE_MDIO_CFG_TX_CLK_SKEW_400    2
3820 +#define FE_MDIO_CFG_TX_CLK_SKEW_INV    3
3821 +
3822 +/* uni-cast port */
3823 +#define FE_GDM1_ICS_EN         BIT(22)
3824 +#define FE_GDM1_TCS_EN         BIT(21)
3825 +#define FE_GDM1_UCS_EN         BIT(20)
3826 +#define FE_GDM1_JMB_EN         BIT(19)
3827 +#define FE_GDM1_STRPCRC                BIT(16)
3828 +#define FE_GDM1_UFRC_P_CPU     (0 << 12)
3829 +#define FE_GDM1_UFRC_P_GDMA1   (1 << 12)
3830 +#define FE_GDM1_UFRC_P_PPE     (6 << 12)
3831 +
3832 +/* checksums */
3833 +#define FE_ICS_GEN_EN          BIT(2)
3834 +#define FE_UCS_GEN_EN          BIT(1)
3835 +#define FE_TCS_GEN_EN          BIT(0)
3836 +
3837 +/* dma ring */
3838 +#define FE_PST_DRX_IDX0                BIT(16)
3839 +#define FE_PST_DTX_IDX3                BIT(3)
3840 +#define FE_PST_DTX_IDX2                BIT(2)
3841 +#define FE_PST_DTX_IDX1                BIT(1)
3842 +#define FE_PST_DTX_IDX0                BIT(0)
3843 +
3844 +#define FE_TX_WB_DDONE         BIT(6)
3845 +#define FE_RX_DMA_BUSY         BIT(3)
3846 +#define FE_TX_DMA_BUSY         BIT(1)
3847 +#define FE_RX_DMA_EN           BIT(2)
3848 +#define FE_TX_DMA_EN           BIT(0)
3849 +
3850 +#define FE_PDMA_SIZE_4DWORDS   (0 << 4)
3851 +#define FE_PDMA_SIZE_8DWORDS   (1 << 4)
3852 +#define FE_PDMA_SIZE_16DWORDS  (2 << 4)
3853 +
3854 +#define FE_US_CYC_CNT_MASK     0xff
3855 +#define FE_US_CYC_CNT_SHIFT    0x8
3856 +#define FE_US_CYC_CNT_DIVISOR  1000000
3857 +
3858 +#define RX_DMA_PLEN0(_x)       (((_x) >> 16) & 0x3fff)
3859 +#define RX_DMA_LSO             BIT(30)
3860 +#define RX_DMA_DONE            BIT(31)
3861 +#define RX_DMA_L4VALID         BIT(30)
3862 +
3863 +struct fe_rx_dma {
3864 +       unsigned int rxd1;
3865 +       unsigned int rxd2;
3866 +       unsigned int rxd3;
3867 +       unsigned int rxd4;
3868 +} __packed __aligned(4);
3869 +
3870 +#define TX_DMA_PLEN0_MASK      ((0x3fff) << 16)
3871 +#define TX_DMA_PLEN0(_x)       (((_x) & 0x3fff) << 16)
3872 +#define TX_DMA_LSO             BIT(30)
3873 +#define TX_DMA_DONE            BIT(31)
3874 +#define TX_DMA_QN(_x)          ((_x) << 16)
3875 +#define TX_DMA_PN(_x)          ((_x) << 24)
3876 +#define TX_DMA_QN_MASK         TX_DMA_QN(0x7)
3877 +#define TX_DMA_PN_MASK         TX_DMA_PN(0x7)
3878 +#define TX_DMA_CHKSUM          (0x7 << 29)
3879 +
3880 +struct fe_tx_dma {
3881 +       unsigned int txd1;
3882 +       unsigned int txd2;
3883 +       unsigned int txd3;
3884 +       unsigned int txd4;
3885 +} __packed __aligned(4);
3886 +
3887 +struct fe_priv;
3888 +
3889 +struct fe_phy {
3890 +       struct phy_device       *phy[8];
3891 +       struct device_node      *phy_node[8];
3892 +       const __be32            *phy_fixed[8];
3893 +       int                     duplex[8];
3894 +       int                     speed[8];
3895 +       int                     tx_fc[8];
3896 +       int                     rx_fc[8];
3897 +       spinlock_t              lock;
3898 +
3899 +       int (*connect)(struct fe_priv *priv);
3900 +       void (*disconnect)(struct fe_priv *priv);
3901 +       void (*start)(struct fe_priv *priv);
3902 +       void (*stop)(struct fe_priv *priv);
3903 +};
3904 +
3905 +struct fe_soc_data
3906 +{
3907 +       unsigned char mac[6];
3908 +       const u32 *reg_table;
3909 +
3910 +       void (*reset_fe)(void);
3911 +       void (*set_mac)(struct fe_priv *priv, unsigned char *mac);
3912 +       void (*fwd_config)(struct fe_priv *priv);
3913 +       void (*tx_dma)(struct fe_priv *priv, int idx, struct sk_buff *skb);
3914 +       void (*rx_dma)(struct fe_priv *priv, int idx, int len);
3915 +       int (*switch_init)(struct fe_priv *priv);
3916 +       int (*switch_config)(struct fe_priv *priv);
3917 +       void (*port_init)(struct fe_priv *priv, struct device_node *port);
3918 +       int (*has_carrier)(struct fe_priv *priv);
3919 +       int (*mdio_init)(struct fe_priv *priv);
3920 +       void (*mdio_cleanup)(struct fe_priv *priv);
3921 +       int (*mdio_write)(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val);
3922 +       int (*mdio_read)(struct mii_bus *bus, int phy_addr, int phy_reg);
3923 +       void (*mdio_adjust_link)(struct fe_priv *priv, int port);
3924 +
3925 +       void *swpriv;
3926 +       u32 pdma_glo_cfg;
3927 +       u32 rx_dly_int;
3928 +       u32 tx_dly_int;
3929 +       u32 checksum_bit;
3930 +
3931 +       int min_pkt_len;
3932 +};
3933 +
3934 +struct fe_priv
3935 +{
3936 +       spinlock_t                      page_lock;
3937 +
3938 +       struct fe_soc_data              *soc;
3939 +       struct net_device               *netdev;
3940 +       struct device                   *device;
3941 +       unsigned long                   sysclk;
3942 +
3943 +       struct fe_rx_dma                *rx_dma;
3944 +        struct napi_struct             rx_napi;
3945 +       struct sk_buff                  *rx_skb[NUM_DMA_DESC];
3946 +       dma_addr_t                      rx_phys;
3947 +
3948 +       struct fe_tx_dma                *tx_dma;
3949 +       struct tasklet_struct           tx_tasklet;
3950 +       struct sk_buff                  *tx_skb[NUM_DMA_DESC];
3951 +       dma_addr_t                      tx_phys;
3952 +       unsigned int                    tx_free_idx;
3953 +
3954 +       struct fe_phy                   *phy;
3955 +       struct mii_bus                  *mii_bus;
3956 +       int                             mii_irq[PHY_MAX_ADDR];
3957 +
3958 +       int                             link[8];
3959 +};
3960 +
3961 +extern const struct of_device_id of_fe_match[];
3962 +
3963 +void fe_w32(u32 val, unsigned reg);
3964 +u32 fe_r32(unsigned reg);
3965 +
3966 +#endif /* FE_ETH_H */
3967 Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_mt7620.c
3968 ===================================================================
3969 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
3970 +++ linux-3.10.18/drivers/net/ethernet/ralink/soc_mt7620.c      2013-11-21 11:42:23.264132543 +0100
3971 @@ -0,0 +1,124 @@
3972 +/*
3973 + *   This program is free software; you can redistribute it and/or modify
3974 + *   it under the terms of the GNU General Public License as published by
3975 + *   the Free Software Foundation; version 2 of the License
3976 + *
3977 + *   This program is distributed in the hope that it will be useful,
3978 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
3979 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
3980 + *   GNU General Public License for more details.
3981 + *
3982 + *   You should have received a copy of the GNU General Public License
3983 + *   along with this program; if not, write to the Free Software
3984 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
3985 + *
3986 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
3987 + */
3988 +
3989 +#include <linux/module.h>
3990 +#include <linux/platform_device.h>
3991 +#include <linux/if_vlan.h>
3992 +
3993 +#include <asm/mach-ralink/ralink_regs.h>
3994 +
3995 +#include "ralink_soc_eth.h"
3996 +#include "gsw_mt7620a.h"
3997 +
3998 +#define MT7620A_CDMA_CSG_CFG   0x400
3999 +#define MT7620_DMA_VID         (MT7620A_CDMA_CSG_CFG | 0x30)
4000 +#define MT7620A_DMA_2B_OFFSET  BIT(31)
4001 +#define MT7620A_RESET_FE       BIT(21)
4002 +#define MT7620A_RESET_ESW      BIT(23)
4003 +#define MT7620_L4_VALID                BIT(23)
4004 +
4005 +#define SYSC_REG_RESET_CTRL     0x34
4006 +#define MAX_RX_LENGTH           1536
4007 +
4008 +#define CDMA_ICS_EN            BIT(2)
4009 +#define CDMA_UCS_EN            BIT(1)
4010 +#define CDMA_TCS_EN            BIT(0)
4011 +
4012 +#define GDMA_ICS_EN            BIT(22)
4013 +#define GDMA_TCS_EN            BIT(21)
4014 +#define GDMA_UCS_EN            BIT(20)
4015 +
4016 +static const u32 rt5350_reg_table[FE_REG_COUNT] = {
4017 +       [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
4018 +       [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
4019 +       [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
4020 +       [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
4021 +       [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
4022 +       [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
4023 +       [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
4024 +       [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
4025 +       [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
4026 +       [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
4027 +       [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
4028 +       [FE_REG_FE_DMA_VID_BASE] = MT7620_DMA_VID,
4029 +};
4030 +
4031 +static void mt7620_fe_reset(void)
4032 +{
4033 +       rt_sysc_w32(MT7620A_RESET_FE | MT7620A_RESET_ESW, SYSC_REG_RESET_CTRL);
4034 +       rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
4035 +}
4036 +
4037 +static void mt7620_fwd_config(struct fe_priv *priv)
4038 +{
4039 +       int i;
4040 +
4041 +       /* frame engine will push VLAN tag regarding to VIDX feild in Tx desc. */
4042 +       for (i = 0; i < 16; i += 2)
4043 +               fe_w32(((i + 1) << 16) + i, MT7620_DMA_VID + (i * 2));
4044 +
4045 +       fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) & ~7, MT7620A_GDMA1_FWD_CFG);
4046 +       fe_w32(fe_r32(MT7620A_GDMA1_FWD_CFG) | (GDMA_ICS_EN | GDMA_TCS_EN | GDMA_UCS_EN), MT7620A_GDMA1_FWD_CFG);
4047 +       fe_w32(fe_r32(MT7620A_CDMA_CSG_CFG) | (CDMA_ICS_EN | CDMA_UCS_EN | CDMA_TCS_EN), MT7620A_CDMA_CSG_CFG);
4048 +}
4049 +
4050 +static void mt7620_tx_dma(struct fe_priv *priv, int idx, struct sk_buff *skb)
4051 +{
4052 +       if (skb)
4053 +               priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_PLEN0(skb->len);
4054 +       else
4055 +               priv->tx_dma[idx].txd2 = TX_DMA_LSO | TX_DMA_DONE;
4056 +
4057 +       if(skb && vlan_tx_tag_present(skb))
4058 +               priv->tx_dma[idx].txd4 = 0x80 | (vlan_tx_tag_get(skb) >> 13) << 4 | (vlan_tx_tag_get(skb) & 0xF);
4059 +       else
4060 +               priv->tx_dma[idx].txd4 = 0;
4061 +}
4062 +
4063 +static void mt7620_rx_dma(struct fe_priv *priv, int idx, int len)
4064 +{
4065 +       priv->rx_dma[idx].rxd2 = RX_DMA_PLEN0(len);
4066 +}
4067 +
4068 +static struct fe_soc_data mt7620_data = {
4069 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4070 +       .reset_fe = mt7620_fe_reset,
4071 +       .set_mac = mt7620_set_mac,
4072 +       .fwd_config = mt7620_fwd_config,
4073 +       .tx_dma = mt7620_tx_dma,
4074 +       .rx_dma = mt7620_rx_dma,
4075 +       .switch_init = mt7620_gsw_probe,
4076 +       .switch_config = mt7620_gsw_config,
4077 +       .port_init = mt7620_port_init,
4078 +       .min_pkt_len = 0,
4079 +       .reg_table = rt5350_reg_table,
4080 +       .pdma_glo_cfg = FE_PDMA_SIZE_16DWORDS | MT7620A_DMA_2B_OFFSET,
4081 +       .rx_dly_int = RT5350_RX_DLY_INT,
4082 +       .tx_dly_int = RT5350_TX_DLY_INT,
4083 +       .checksum_bit = MT7620_L4_VALID,
4084 +       .has_carrier = mt7620a_has_carrier,
4085 +       .mdio_read = mt7620_mdio_read,
4086 +       .mdio_write = mt7620_mdio_write,
4087 +       .mdio_adjust_link = mt7620_mdio_link_adjust,
4088 +};
4089 +
4090 +const struct of_device_id of_fe_match[] = {
4091 +       { .compatible = "ralink,mt7620a-eth", .data = &mt7620_data },
4092 +       {},
4093 +};
4094 +
4095 +MODULE_DEVICE_TABLE(of, of_fe_match);
4096 Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt2880.c
4097 ===================================================================
4098 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4099 +++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt2880.c      2013-11-19 11:15:38.972470791 +0100
4100 @@ -0,0 +1,51 @@
4101 +/*
4102 + *   This program is free software; you can redistribute it and/or modify
4103 + *   it under the terms of the GNU General Public License as published by
4104 + *   the Free Software Foundation; version 2 of the License
4105 + *
4106 + *   This program is distributed in the hope that it will be useful,
4107 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
4108 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4109 + *   GNU General Public License for more details.
4110 + *
4111 + *   You should have received a copy of the GNU General Public License
4112 + *   along with this program; if not, write to the Free Software
4113 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
4114 + *
4115 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
4116 + */
4117 +
4118 +#include <linux/module.h>
4119 +
4120 +#include <asm/mach-ralink/ralink_regs.h>
4121 +
4122 +#include "ralink_soc_eth.h"
4123 +#include "mdio_rt2880.h"
4124 +
4125 +#define SYSC_REG_RESET_CTRL            0x034
4126 +#define RT2880_RESET_FE                        BIT(18)
4127 +
4128 +void rt2880_fe_reset(void)
4129 +{
4130 +       rt_sysc_w32(RT2880_RESET_FE, SYSC_REG_RESET_CTRL);
4131 +}
4132 +
4133 +struct fe_soc_data rt2880_data = {
4134 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4135 +       .reset_fe = rt2880_fe_reset,
4136 +       .min_pkt_len = 64,
4137 +        .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
4138 +       .checksum_bit = RX_DMA_L4VALID,
4139 +       .rx_dly_int = FE_RX_DLY_INT,
4140 +       .tx_dly_int = FE_TX_DLY_INT,
4141 +       .mdio_read = rt2880_mdio_read,
4142 +       .mdio_write = rt2880_mdio_write,
4143 +       .mdio_adjust_link = rt2880_mdio_link_adjust,
4144 +};
4145 +
4146 +const struct of_device_id of_fe_match[] = {
4147 +       { .compatible = "ralink,rt2880-eth", .data = &rt2880_data },
4148 +       {},
4149 +};
4150 +
4151 +MODULE_DEVICE_TABLE(of, of_fe_match);
4152 Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt305x.c
4153 ===================================================================
4154 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4155 +++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt305x.c      2013-11-19 11:15:38.972470791 +0100
4156 @@ -0,0 +1,113 @@
4157 +/*
4158 + *   This program is free software; you can redistribute it and/or modify
4159 + *   it under the terms of the GNU General Public License as published by
4160 + *   the Free Software Foundation; version 2 of the License
4161 + *
4162 + *   This program is distributed in the hope that it will be useful,
4163 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
4164 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4165 + *   GNU General Public License for more details.
4166 + *
4167 + *   You should have received a copy of the GNU General Public License
4168 + *   along with this program; if not, write to the Free Software
4169 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
4170 + *
4171 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
4172 + */
4173 +
4174 +#include <linux/module.h>
4175 +
4176 +#include <asm/mach-ralink/ralink_regs.h>
4177 +
4178 +#include "ralink_soc_eth.h"
4179 +
4180 +#define RT305X_RESET_FE         BIT(21)
4181 +#define RT305X_RESET_ESW        BIT(23)
4182 +#define SYSC_REG_RESET_CTRL     0x034
4183 +
4184 +static const u32 rt5350_reg_table[FE_REG_COUNT] = {
4185 +       [FE_REG_PDMA_GLO_CFG] = RT5350_PDMA_GLO_CFG,
4186 +       [FE_REG_PDMA_RST_CFG] = RT5350_PDMA_RST_CFG,
4187 +       [FE_REG_DLY_INT_CFG] = RT5350_DLY_INT_CFG,
4188 +       [FE_REG_TX_BASE_PTR0] = RT5350_TX_BASE_PTR0,
4189 +       [FE_REG_TX_MAX_CNT0] = RT5350_TX_MAX_CNT0,
4190 +       [FE_REG_TX_CTX_IDX0] = RT5350_TX_CTX_IDX0,
4191 +       [FE_REG_RX_BASE_PTR0] = RT5350_RX_BASE_PTR0,
4192 +       [FE_REG_RX_MAX_CNT0] = RT5350_RX_MAX_CNT0,
4193 +       [FE_REG_RX_CALC_IDX0] = RT5350_RX_CALC_IDX0,
4194 +       [FE_REG_FE_INT_ENABLE] = RT5350_FE_INT_ENABLE,
4195 +       [FE_REG_FE_INT_STATUS] = RT5350_FE_INT_STATUS,
4196 +       [FE_REG_FE_DMA_VID_BASE] = 0,
4197 +};
4198 +
4199 +static void rt305x_fe_reset(void)
4200 +{
4201 +       rt_sysc_w32(RT305X_RESET_FE, SYSC_REG_RESET_CTRL);
4202 +       rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
4203 +}
4204 +
4205 +static void rt5350_set_mac(struct fe_priv *priv, unsigned char *mac)
4206 +{
4207 +       unsigned long flags;
4208 +
4209 +       spin_lock_irqsave(&priv->page_lock, flags);
4210 +       fe_w32((mac[0] << 8) | mac[1], RT5350_SDM_MAC_ADRH);
4211 +       fe_w32((mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5],
4212 +               RT5350_SDM_MAC_ADRL);
4213 +       spin_unlock_irqrestore(&priv->page_lock, flags);
4214 +}
4215 +
4216 +static void rt5350_fwd_config(struct fe_priv *priv)
4217 +{
4218 +       unsigned long sysclk = priv->sysclk;
4219 +
4220 +       if (sysclk) {
4221 +               sysclk /= FE_US_CYC_CNT_DIVISOR;
4222 +               sysclk <<= FE_US_CYC_CNT_SHIFT;
4223 +
4224 +               fe_w32((fe_r32(FE_FE_GLO_CFG) &
4225 +                       ~(FE_US_CYC_CNT_MASK << FE_US_CYC_CNT_SHIFT)) | sysclk,
4226 +                       FE_FE_GLO_CFG);
4227 +       }
4228 +
4229 +       fe_w32(fe_r32(RT5350_SDM_CFG) & ~0xffff, RT5350_SDM_CFG);
4230 +       fe_w32(fe_r32(RT5350_SDM_CFG) | RT5350_SDM_ICS_EN | RT5350_SDM_TCS_EN | RT5350_SDM_UCS_EN,
4231 +               RT5350_SDM_CFG);
4232 +}
4233 +
4234 +static void rt5350_fe_reset(void)
4235 +{
4236 +       rt_sysc_w32(RT305X_RESET_FE | RT305X_RESET_ESW, SYSC_REG_RESET_CTRL);
4237 +       rt_sysc_w32(0, SYSC_REG_RESET_CTRL);
4238 +}
4239 +
4240 +static struct fe_soc_data rt3050_data = {
4241 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4242 +       .reset_fe = rt305x_fe_reset,
4243 +       .min_pkt_len = 64,
4244 +        .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
4245 +       .checksum_bit = RX_DMA_L4VALID,
4246 +       .rx_dly_int = FE_RX_DLY_INT,
4247 +       .tx_dly_int = FE_TX_DLY_INT,
4248 +};
4249 +
4250 +static struct fe_soc_data rt5350_data = {
4251 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4252 +       .reg_table = rt5350_reg_table,
4253 +       .reset_fe = rt5350_fe_reset,
4254 +       .set_mac = rt5350_set_mac,
4255 +       .fwd_config = rt5350_fwd_config,
4256 +       .min_pkt_len = 64,
4257 +        .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
4258 +       .checksum_bit = RX_DMA_L4VALID,
4259 +       .rx_dly_int = RT5350_RX_DLY_INT,
4260 +       .tx_dly_int = RT5350_TX_DLY_INT,
4261 +};
4262 +
4263 +const struct of_device_id of_fe_match[] = {
4264 +       { .compatible = "ralink,rt3050-eth", .data = &rt3050_data },
4265 +       { .compatible = "ralink,rt5350-eth", .data = &rt5350_data },
4266 +       {},
4267 +};
4268 +
4269 +MODULE_DEVICE_TABLE(of, of_fe_match);
4270 Index: linux-3.10.18/drivers/net/ethernet/ralink/soc_rt3883.c
4271 ===================================================================
4272 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4273 +++ linux-3.10.18/drivers/net/ethernet/ralink/soc_rt3883.c      2013-11-19 11:15:38.972470791 +0100
4274 @@ -0,0 +1,60 @@
4275 +/*
4276 + *   This program is free software; you can redistribute it and/or modify
4277 + *   it under the terms of the GNU General Public License as published by
4278 + *   the Free Software Foundation; version 2 of the License
4279 + *
4280 + *   This program is distributed in the hope that it will be useful,
4281 + *   but WITHOUT ANY WARRANTY; without even the implied warranty of
4282 + *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4283 + *   GNU General Public License for more details.
4284 + *
4285 + *   You should have received a copy of the GNU General Public License
4286 + *   along with this program; if not, write to the Free Software
4287 + *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
4288 + *
4289 + *   Copyright (C) 2009-2013 John Crispin <blogic@openwrt.org>
4290 + */
4291 +
4292 +#include <linux/module.h>
4293 +
4294 +#include <asm/mach-ralink/ralink_regs.h>
4295 +
4296 +#include "ralink_soc_eth.h"
4297 +#include "mdio_rt2880.h"
4298 +
4299 +#define RT3883_SYSC_REG_RSTCTRL                0x34
4300 +#define RT3883_RSTCTRL_FE              BIT(21)
4301 +
4302 +static void rt3883_fe_reset(void)
4303 +{
4304 +       u32 t;
4305 +
4306 +       t = rt_sysc_r32(RT3883_SYSC_REG_RSTCTRL);
4307 +       t |= RT3883_RSTCTRL_FE;
4308 +       rt_sysc_w32(t , RT3883_SYSC_REG_RSTCTRL);
4309 +
4310 +       t &= ~RT3883_RSTCTRL_FE;
4311 +       rt_sysc_w32(t, RT3883_SYSC_REG_RSTCTRL);
4312 +}
4313 +
4314 +static struct fe_soc_data rt3883_data = {
4315 +       .mac = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
4316 +       .reset_fe = rt3883_fe_reset,
4317 +       .min_pkt_len = 64,
4318 +        .pdma_glo_cfg = FE_PDMA_SIZE_4DWORDS,
4319 +       .rx_dly_int = FE_RX_DLY_INT,
4320 +       .tx_dly_int = FE_TX_DLY_INT,
4321 +       .checksum_bit = RX_DMA_L4VALID,
4322 +       .mdio_read = rt2880_mdio_read,
4323 +       .mdio_write = rt2880_mdio_write,
4324 +       .mdio_adjust_link = rt2880_mdio_link_adjust,
4325 +       .port_init = rt2880_port_init,
4326 +};
4327 +
4328 +const struct of_device_id of_fe_match[] = {
4329 +       { .compatible = "ralink,rt3883-eth", .data = &rt3883_data },
4330 +       {},
4331 +};
4332 +
4333 +MODULE_DEVICE_TABLE(of, of_fe_match);
4334 +
4335 Index: linux-3.10.18/drivers/net/ethernet/ralink/mt7530.c
4336 ===================================================================
4337 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4338 +++ linux-3.10.18/drivers/net/ethernet/ralink/mt7530.c  2013-11-19 11:15:38.976470791 +0100
4339 @@ -0,0 +1,467 @@
4340 +/*
4341 + * This program is free software; you can redistribute it and/or
4342 + * modify it under the terms of the GNU General Public License
4343 + * as published by the Free Software Foundation; either version 2
4344 + * of the License, or (at your option) any later version.
4345 + *
4346 + * This program is distributed in the hope that it will be useful,
4347 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
4348 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4349 + * GNU General Public License for more details.
4350 + *
4351 + * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
4352 + */
4353 +
4354 +#include <linux/if.h>
4355 +#include <linux/module.h>
4356 +#include <linux/init.h>
4357 +#include <linux/list.h>
4358 +#include <linux/if_ether.h>
4359 +#include <linux/skbuff.h>
4360 +#include <linux/netdevice.h>
4361 +#include <linux/netlink.h>
4362 +#include <linux/bitops.h>
4363 +#include <net/genetlink.h>
4364 +#include <linux/switch.h>
4365 +#include <linux/delay.h>
4366 +#include <linux/phy.h>
4367 +#include <linux/netdevice.h>
4368 +#include <linux/etherdevice.h>
4369 +#include <linux/lockdep.h>
4370 +#include <linux/workqueue.h>
4371 +#include <linux/of_device.h>
4372 +
4373 +#include "mt7530.h"
4374 +
4375 +#define MT7530_CPU_PORT                6
4376 +#define MT7530_NUM_PORTS       7
4377 +#define MT7530_NUM_VLANS       16
4378 +#define MT7530_NUM_VIDS                16
4379 +
4380 +#define REG_ESW_VLAN_VTCR      0x90
4381 +#define REG_ESW_VLAN_VAWD1     0x94
4382 +#define REG_ESW_VLAN_VAWD2     0x98
4383 +
4384 +enum {
4385 +       /* Global attributes. */
4386 +       MT7530_ATTR_ENABLE_VLAN,
4387 +};
4388 +
4389 +struct mt7530_port {
4390 +       u16     pvid;
4391 +};
4392 +
4393 +struct mt7530_vlan {
4394 +       u8      ports;
4395 +};
4396 +
4397 +struct mt7530_priv {
4398 +       void __iomem            *base;
4399 +       struct mii_bus          *bus;
4400 +       struct switch_dev       swdev;
4401 +
4402 +       bool                    global_vlan_enable;
4403 +       struct mt7530_vlan      vlans[MT7530_NUM_VLANS];
4404 +       struct mt7530_port      ports[MT7530_NUM_PORTS];
4405 +};
4406 +
4407 +struct mt7530_mapping {
4408 +       char    *name;
4409 +       u8      pvids[6];
4410 +       u8      vlans[8];
4411 +} mt7530_defaults[] = {
4412 +       {
4413 +               .name = "llllw",
4414 +               .pvids = { 1, 1, 1, 1, 2, 1 },
4415 +               .vlans = { 0, 0x4f, 0x50 },
4416 +       }, {
4417 +               .name = "wllll",
4418 +               .pvids = { 2, 1, 1, 1, 1, 1 },
4419 +               .vlans = { 0, 0x5e, 0x41 },
4420 +       },
4421 +};
4422 +
4423 +struct mt7530_mapping*
4424 +mt7530_find_mapping(struct device_node *np)
4425 +{
4426 +       const char *map;
4427 +       int i;
4428 +
4429 +       if (of_property_read_string(np, "ralink,port-map", &map))
4430 +               return NULL;
4431 +
4432 +       for (i = 0; i < ARRAY_SIZE(mt7530_defaults); i++)
4433 +               if (!strcmp(map, mt7530_defaults[i].name))
4434 +                       return &mt7530_defaults[i];
4435 +
4436 +       return NULL;
4437 +}
4438 +
4439 +static void
4440 +mt7530_apply_mapping(struct mt7530_priv *mt7530, struct mt7530_mapping *map)
4441 +{
4442 +       int i = 0;
4443 +
4444 +       mt7530->global_vlan_enable = 1;
4445 +
4446 +       for (i = 0; i < 6; i++)
4447 +               mt7530->ports[i].pvid = map->pvids[i];
4448 +       for (i = 0; i < 8; i++)
4449 +               mt7530->vlans[i].ports = map->vlans[i];
4450 +}
4451 +
4452 +static int
4453 +mt7530_reset_switch(struct switch_dev *dev)
4454 +{
4455 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4456 +
4457 +       memset(priv->ports, 0, sizeof(priv->ports));
4458 +       memset(priv->vlans, 0, sizeof(priv->vlans));
4459 +
4460 +       return 0;
4461 +}
4462 +
4463 +static int
4464 +mt7530_get_vlan_enable(struct switch_dev *dev,
4465 +                          const struct switch_attr *attr,
4466 +                          struct switch_val *val)
4467 +{
4468 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4469 +
4470 +       val->value.i = priv->global_vlan_enable;
4471 +
4472 +       return 0;
4473 +}
4474 +
4475 +static int
4476 +mt7530_set_vlan_enable(struct switch_dev *dev,
4477 +                          const struct switch_attr *attr,
4478 +                          struct switch_val *val)
4479 +{
4480 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4481 +
4482 +       priv->global_vlan_enable = val->value.i != 0;
4483 +
4484 +       return 0;
4485 +}
4486 +
4487 +static u32
4488 +mt7530_r32(struct mt7530_priv *priv, u32 reg)
4489 +{
4490 +       if (priv->bus) {
4491 +               u16 high, low;
4492 +
4493 +               mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
4494 +               low = mdiobus_read(priv->bus, 0x1f, (reg >> 2) & 0xf);
4495 +               high = mdiobus_read(priv->bus, 0x1f, 0x10);
4496 +
4497 +               return (high << 16) | (low & 0xffff);
4498 +       }
4499 +
4500 +        return ioread32(priv->base + reg);
4501 +}
4502 +
4503 +static void
4504 +mt7530_w32(struct mt7530_priv *priv, u32 reg, u32 val)
4505 +{
4506 +       if (priv->bus) {
4507 +               mdiobus_write(priv->bus, 0x1f, 0x1f, (reg >> 6) & 0x3ff);
4508 +               mdiobus_write(priv->bus, 0x1f, (reg >> 2) & 0xf,  val & 0xffff);
4509 +               mdiobus_write(priv->bus, 0x1f, 0x10, val >> 16);
4510 +               return;
4511 +       }
4512 +
4513 +       iowrite32(val, priv->base + reg);
4514 +}
4515 +
4516 +static void
4517 +mt7530_vtcr(struct mt7530_priv *priv, u32 cmd, u32 val)
4518 +{
4519 +       int i;
4520 +
4521 +       mt7530_w32(priv, REG_ESW_VLAN_VTCR, BIT(31) | (cmd << 12) | val);
4522 +
4523 +       for (i = 0; i < 20; i++) {
4524 +               u32 val = mt7530_r32(priv, REG_ESW_VLAN_VTCR);
4525 +
4526 +               if ((val & BIT(31)) == 0)
4527 +                       break;
4528 +
4529 +               udelay(1000);
4530 +       }
4531 +       if (i == 20)
4532 +               printk("mt7530: vtcr timeout\n");
4533 +}
4534 +
4535 +static int
4536 +mt7530_get_port_pvid(struct switch_dev *dev, int port, int *val)
4537 +{
4538 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4539 +
4540 +       if (port >= MT7530_NUM_PORTS)
4541 +               return -EINVAL;
4542 +
4543 +       *val = mt7530_r32(priv, 0x2014 + (0x100 * port));
4544 +       *val &= 0xff;
4545 +
4546 +       return 0;
4547 +}
4548 +
4549 +static int
4550 +mt7530_set_port_pvid(struct switch_dev *dev, int port, int pvid)
4551 +{
4552 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4553 +
4554 +       if (port >= MT7530_NUM_PORTS)
4555 +               return -1;
4556 +
4557 +       priv->ports[port].pvid = pvid;
4558 +
4559 +       return 0;
4560 +}
4561 +
4562 +static int
4563 +mt7530_get_vlan_ports(struct switch_dev *dev, struct switch_val *val)
4564 +{
4565 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4566 +       u32 member;
4567 +       int i;
4568 +
4569 +       val->len = 0;
4570 +
4571 +       if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VIDS)
4572 +               return -EINVAL;
4573 +
4574 +       mt7530_vtcr(priv, 0, val->port_vlan);
4575 +       member = mt7530_r32(priv, REG_ESW_VLAN_VAWD1);
4576 +       member >>= 16;
4577 +       member &= 0xff;
4578 +
4579 +       for (i = 0; i < MT7530_NUM_PORTS; i++) {
4580 +               struct switch_port *p;
4581 +               if (!(member & BIT(i)))
4582 +                       continue;
4583 +
4584 +               p = &val->value.ports[val->len++];
4585 +               p->id = i;
4586 +               p->flags = 0;
4587 +       }
4588 +
4589 +       return 0;
4590 +}
4591 +
4592 +static int
4593 +mt7530_set_vlan_ports(struct switch_dev *dev, struct switch_val *val)
4594 +{
4595 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4596 +       int ports = 0;
4597 +       int i;
4598 +
4599 +       if (val->port_vlan < 0 || val->port_vlan >= MT7530_NUM_VIDS ||
4600 +                       val->len > MT7530_NUM_PORTS)
4601 +               return -EINVAL;
4602 +
4603 +       for (i = 0; i < val->len; i++) {
4604 +               struct switch_port *p = &val->value.ports[i];
4605 +
4606 +               if (p->id >= MT7530_NUM_PORTS)
4607 +                       return -EINVAL;
4608 +
4609 +               ports |= BIT(p->id);
4610 +       }
4611 +       priv->vlans[val->port_vlan].ports = ports;
4612 +
4613 +       return 0;
4614 +}
4615 +
4616 +static int
4617 +mt7530_apply_config(struct switch_dev *dev)
4618 +{
4619 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4620 +       int i;
4621 +
4622 +       if (!priv->global_vlan_enable) {
4623 +               mt7530_w32(priv, 0x2004, 0xff000);
4624 +               mt7530_w32(priv, 0x2104, 0xff000);
4625 +               mt7530_w32(priv, 0x2204, 0xff000);
4626 +               mt7530_w32(priv, 0x2304, 0xff000);
4627 +               mt7530_w32(priv, 0x2404, 0xff000);
4628 +               mt7530_w32(priv, 0x2504, 0xff000);
4629 +               mt7530_w32(priv, 0x2604, 0xff000);
4630 +               mt7530_w32(priv, 0x2010, 0x810000c);
4631 +               mt7530_w32(priv, 0x2110, 0x810000c);
4632 +               mt7530_w32(priv, 0x2210, 0x810000c);
4633 +               mt7530_w32(priv, 0x2310, 0x810000c);
4634 +               mt7530_w32(priv, 0x2410, 0x810000c);
4635 +               mt7530_w32(priv, 0x2510, 0x810000c);
4636 +               mt7530_w32(priv, 0x2610, 0x810000c);
4637 +               return 0;
4638 +       }
4639 +
4640 +       // LAN/WAN ports as security mode
4641 +       mt7530_w32(priv, 0x2004, 0xff0003);
4642 +       mt7530_w32(priv, 0x2104, 0xff0003);
4643 +       mt7530_w32(priv, 0x2204, 0xff0003);
4644 +       mt7530_w32(priv, 0x2304, 0xff0003);
4645 +       mt7530_w32(priv, 0x2404, 0xff0003);
4646 +       mt7530_w32(priv, 0x2504, 0xff0003);
4647 +       // LAN/WAN ports as transparent port
4648 +       mt7530_w32(priv, 0x2010, 0x810000c0);
4649 +       mt7530_w32(priv, 0x2110, 0x810000c0);
4650 +       mt7530_w32(priv, 0x2210, 0x810000c0);
4651 +       mt7530_w32(priv, 0x2310, 0x810000c0);
4652 +       mt7530_w32(priv, 0x2410, 0x810000c0);
4653 +       mt7530_w32(priv, 0x2510, 0x810000c0);
4654 +
4655 +       // set CPU/P7 port as user port
4656 +       mt7530_w32(priv, 0x2610, 0x81000000);
4657 +       mt7530_w32(priv, 0x2710, 0x81000000);
4658 +
4659 +       mt7530_w32(priv, 0x2604, 0x20ff0003);
4660 +       mt7530_w32(priv, 0x2704, 0x20ff0003);
4661 +       mt7530_w32(priv, 0x2610, 0x81000000);
4662 +
4663 +       for (i = 0; i < MT7530_NUM_VLANS; i++) {
4664 +               u8 ports = priv->vlans[i].ports;
4665 +               u32 val = mt7530_r32(priv, 0x100 + 4 * (i / 2));
4666 +
4667 +               if (i % 2 == 0) {
4668 +                       val &= 0xfff000;
4669 +                       val |= i;
4670 +               } else {
4671 +                       val &= 0xfff;
4672 +                       val |= (i << 12);
4673 +               }
4674 +               mt7530_w32(priv, 0x100 + 4 * (i / 2), val);
4675 +
4676 +               if (ports)
4677 +                       mt7530_w32(priv, REG_ESW_VLAN_VAWD1, BIT(30) | (ports << 16) | BIT(0));
4678 +               else
4679 +                       mt7530_w32(priv, REG_ESW_VLAN_VAWD1, 0);
4680 +
4681 +               mt7530_vtcr(priv, 1, i);
4682 +       }
4683 +
4684 +       for (i = 0; i < MT7530_NUM_PORTS; i++)
4685 +               mt7530_w32(priv, 0x2014 + (0x100 * i), 0x10000 | priv->ports[i].pvid);
4686 +
4687 +       return 0;
4688 +}
4689 +
4690 +static int
4691 +mt7530_get_port_link(struct switch_dev *dev,  int port,
4692 +                        struct switch_port_link *link)
4693 +{
4694 +       struct mt7530_priv *priv = container_of(dev, struct mt7530_priv, swdev);
4695 +       u32 speed, pmsr;
4696 +
4697 +       if (port < 0 || port >= MT7530_NUM_PORTS)
4698 +               return -EINVAL;
4699 +
4700 +       pmsr = mt7530_r32(priv, 0x3008 + (0x100 * port));
4701 +
4702 +       link->link = pmsr & 1;
4703 +       link->duplex = (pmsr >> 1) & 1;
4704 +       speed = (pmsr >> 2) & 3;
4705 +
4706 +       switch (speed) {
4707 +       case 0:
4708 +               link->speed = SWITCH_PORT_SPEED_10;
4709 +               break;
4710 +       case 1:
4711 +               link->speed = SWITCH_PORT_SPEED_100;
4712 +               break;
4713 +       case 2:
4714 +       case 3: /* forced gige speed can be 2 or 3 */
4715 +               link->speed = SWITCH_PORT_SPEED_1000;
4716 +               break;
4717 +       default:
4718 +               link->speed = SWITCH_PORT_SPEED_UNKNOWN;
4719 +               break;
4720 +       }
4721 +
4722 +       return 0;
4723 +}
4724 +
4725 +static const struct switch_attr mt7530_global[] = {
4726 +       {
4727 +               .type = SWITCH_TYPE_INT,
4728 +               .name = "enable_vlan",
4729 +               .description = "VLAN mode (1:enabled)",
4730 +               .max = 1,
4731 +               .id = MT7530_ATTR_ENABLE_VLAN,
4732 +               .get = mt7530_get_vlan_enable,
4733 +               .set = mt7530_set_vlan_enable,
4734 +       },
4735 +};
4736 +
4737 +static const struct switch_attr mt7530_port[] = {
4738 +};
4739 +
4740 +static const struct switch_attr mt7530_vlan[] = {
4741 +};
4742 +
4743 +static const struct switch_dev_ops mt7530_ops = {
4744 +       .attr_global = {
4745 +               .attr = mt7530_global,
4746 +               .n_attr = ARRAY_SIZE(mt7530_global),
4747 +       },
4748 +       .attr_port = {
4749 +               .attr = mt7530_port,
4750 +               .n_attr = ARRAY_SIZE(mt7530_port),
4751 +       },
4752 +       .attr_vlan = {
4753 +               .attr = mt7530_vlan,
4754 +               .n_attr = ARRAY_SIZE(mt7530_vlan),
4755 +       },
4756 +       .get_vlan_ports = mt7530_get_vlan_ports,
4757 +       .set_vlan_ports = mt7530_set_vlan_ports,
4758 +       .get_port_pvid = mt7530_get_port_pvid,
4759 +       .set_port_pvid = mt7530_set_port_pvid,
4760 +       .get_port_link = mt7530_get_port_link,
4761 +       .apply_config = mt7530_apply_config,
4762 +       .reset_switch = mt7530_reset_switch,
4763 +};
4764 +
4765 +int
4766 +mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus)
4767 +{
4768 +       struct switch_dev *swdev;
4769 +       struct mt7530_priv *mt7530;
4770 +       struct mt7530_mapping *map;
4771 +       int ret;
4772 +
4773 +       if (bus && bus->phy_map[0x1f]->phy_id != 0x1beef)
4774 +               return 0;
4775 +
4776 +       mt7530 = devm_kzalloc(dev, sizeof(struct mt7530_priv), GFP_KERNEL);
4777 +       if (!mt7530)
4778 +               return -ENOMEM;
4779 +
4780 +       mt7530->base = base;
4781 +       mt7530->bus = bus;
4782 +       mt7530->global_vlan_enable = 1;
4783 +
4784 +       swdev = &mt7530->swdev;
4785 +       swdev->name = "mt7530";
4786 +       swdev->alias = "mt7530";
4787 +       swdev->cpu_port = MT7530_CPU_PORT;
4788 +       swdev->ports = MT7530_NUM_PORTS;
4789 +       swdev->vlans = MT7530_NUM_VLANS;
4790 +       swdev->ops = &mt7530_ops;
4791 +
4792 +       ret = register_switch(swdev, NULL);
4793 +       if (ret) {
4794 +               dev_err(dev, "failed to register mt7530\n");
4795 +               return ret;
4796 +       }
4797 +
4798 +       dev_info(dev, "loaded mt7530 driver\n");
4799 +
4800 +       map = mt7530_find_mapping(dev->of_node);
4801 +       if (map)
4802 +               mt7530_apply_mapping(mt7530, map);
4803 +       mt7530_apply_config(swdev);
4804 +
4805 +       return 0;
4806 +}
4807 Index: linux-3.10.18/drivers/net/ethernet/ralink/mt7530.h
4808 ===================================================================
4809 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
4810 +++ linux-3.10.18/drivers/net/ethernet/ralink/mt7530.h  2013-11-19 11:15:38.976470791 +0100
4811 @@ -0,0 +1,20 @@
4812 +/*
4813 + * This program is free software; you can redistribute it and/or
4814 + * modify it under the terms of the GNU General Public License
4815 + * as published by the Free Software Foundation; either version 2
4816 + * of the License, or (at your option) any later version.
4817 + *
4818 + * This program is distributed in the hope that it will be useful,
4819 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
4820 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
4821 + * GNU General Public License for more details.
4822 + *
4823 + * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
4824 + */
4825 +
4826 +#ifndef _MT7530_H__
4827 +#define _MT7530_H__
4828 +
4829 +int mt7530_probe(struct device *dev, void __iomem *base, struct mii_bus *bus);
4830 +
4831 +#endif