2 * Platform driver for the Realtek RTL8366S ethernet switch
4 * Copyright (C) 2009-2010 Gabor Juhos <juhosg@openwrt.org>
5 * Copyright (C) 2010 Antti Seppälä <a.seppala@gmail.com>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation.
12 #include <linux/kernel.h>
13 #include <linux/module.h>
14 #include <linux/init.h>
15 #include <linux/device.h>
17 #include <linux/of_platform.h>
18 #include <linux/delay.h>
19 #include <linux/skbuff.h>
20 #include <linux/rtl8366.h>
22 #include "rtl8366_smi.h"
24 #define RTL8366S_DRIVER_DESC "Realtek RTL8366S ethernet switch driver"
25 #define RTL8366S_DRIVER_VER "0.2.2"
27 #define RTL8366S_PHY_NO_MAX 4
28 #define RTL8366S_PHY_PAGE_MAX 7
29 #define RTL8366S_PHY_ADDR_MAX 31
31 /* Switch Global Configuration register */
32 #define RTL8366S_SGCR 0x0000
33 #define RTL8366S_SGCR_EN_BC_STORM_CTRL BIT(0)
34 #define RTL8366S_SGCR_MAX_LENGTH(_x) (_x << 4)
35 #define RTL8366S_SGCR_MAX_LENGTH_MASK RTL8366S_SGCR_MAX_LENGTH(0x3)
36 #define RTL8366S_SGCR_MAX_LENGTH_1522 RTL8366S_SGCR_MAX_LENGTH(0x0)
37 #define RTL8366S_SGCR_MAX_LENGTH_1536 RTL8366S_SGCR_MAX_LENGTH(0x1)
38 #define RTL8366S_SGCR_MAX_LENGTH_1552 RTL8366S_SGCR_MAX_LENGTH(0x2)
39 #define RTL8366S_SGCR_MAX_LENGTH_16000 RTL8366S_SGCR_MAX_LENGTH(0x3)
40 #define RTL8366S_SGCR_EN_VLAN BIT(13)
42 /* Port Enable Control register */
43 #define RTL8366S_PECR 0x0001
45 /* Green Ethernet Feature (based on GPL_BELKIN_F5D8235-4_v1000 v1.01.24) */
46 #define RTL8366S_GREEN_ETHERNET_CTRL_REG 0x000a
47 #define RTL8366S_GREEN_ETHERNET_CTRL_MASK 0x0018
48 #define RTL8366S_GREEN_ETHERNET_TX_BIT (1 << 3)
49 #define RTL8366S_GREEN_ETHERNET_RX_BIT (1 << 4)
51 /* Switch Security Control registers */
52 #define RTL8366S_SSCR0 0x0002
53 #define RTL8366S_SSCR1 0x0003
54 #define RTL8366S_SSCR2 0x0004
55 #define RTL8366S_SSCR2_DROP_UNKNOWN_DA BIT(0)
57 #define RTL8366S_RESET_CTRL_REG 0x0100
58 #define RTL8366S_CHIP_CTRL_RESET_HW 1
59 #define RTL8366S_CHIP_CTRL_RESET_SW (1 << 1)
61 #define RTL8366S_CHIP_VERSION_CTRL_REG 0x0104
62 #define RTL8366S_CHIP_VERSION_MASK 0xf
63 #define RTL8366S_CHIP_ID_REG 0x0105
64 #define RTL8366S_CHIP_ID_8366 0x8366
66 /* PHY registers control */
67 #define RTL8366S_PHY_ACCESS_CTRL_REG 0x8028
68 #define RTL8366S_PHY_ACCESS_DATA_REG 0x8029
70 #define RTL8366S_PHY_CTRL_READ 1
71 #define RTL8366S_PHY_CTRL_WRITE 0
73 #define RTL8366S_PHY_REG_MASK 0x1f
74 #define RTL8366S_PHY_PAGE_OFFSET 5
75 #define RTL8366S_PHY_PAGE_MASK (0x7 << 5)
76 #define RTL8366S_PHY_NO_OFFSET 9
77 #define RTL8366S_PHY_NO_MASK (0x1f << 9)
79 /* Green Ethernet Feature for PHY ports */
80 #define RTL8366S_PHY_POWER_SAVING_CTRL_REG 12
81 #define RTL8366S_PHY_POWER_SAVING_MASK 0x1000
83 /* LED control registers */
84 #define RTL8366S_LED_BLINKRATE_REG 0x0420
85 #define RTL8366S_LED_BLINKRATE_BIT 0
86 #define RTL8366S_LED_BLINKRATE_MASK 0x0007
88 #define RTL8366S_LED_CTRL_REG 0x0421
89 #define RTL8366S_LED_0_1_CTRL_REG 0x0422
90 #define RTL8366S_LED_2_3_CTRL_REG 0x0423
92 #define RTL8366S_MIB_COUNT 33
93 #define RTL8366S_GLOBAL_MIB_COUNT 1
94 #define RTL8366S_MIB_COUNTER_PORT_OFFSET 0x0040
95 #define RTL8366S_MIB_COUNTER_BASE 0x1000
96 #define RTL8366S_MIB_COUNTER_PORT_OFFSET2 0x0008
97 #define RTL8366S_MIB_COUNTER_BASE2 0x1180
98 #define RTL8366S_MIB_CTRL_REG 0x11F0
99 #define RTL8366S_MIB_CTRL_USER_MASK 0x01FF
100 #define RTL8366S_MIB_CTRL_BUSY_MASK 0x0001
101 #define RTL8366S_MIB_CTRL_RESET_MASK 0x0002
103 #define RTL8366S_MIB_CTRL_GLOBAL_RESET_MASK 0x0004
104 #define RTL8366S_MIB_CTRL_PORT_RESET_BIT 0x0003
105 #define RTL8366S_MIB_CTRL_PORT_RESET_MASK 0x01FC
108 #define RTL8366S_PORT_VLAN_CTRL_BASE 0x0058
109 #define RTL8366S_PORT_VLAN_CTRL_REG(_p) \
110 (RTL8366S_PORT_VLAN_CTRL_BASE + (_p) / 4)
111 #define RTL8366S_PORT_VLAN_CTRL_MASK 0xf
112 #define RTL8366S_PORT_VLAN_CTRL_SHIFT(_p) (4 * ((_p) % 4))
115 #define RTL8366S_VLAN_TABLE_READ_BASE 0x018B
116 #define RTL8366S_VLAN_TABLE_WRITE_BASE 0x0185
118 #define RTL8366S_VLAN_TB_CTRL_REG 0x010F
120 #define RTL8366S_TABLE_ACCESS_CTRL_REG 0x0180
121 #define RTL8366S_TABLE_VLAN_READ_CTRL 0x0E01
122 #define RTL8366S_TABLE_VLAN_WRITE_CTRL 0x0F01
124 #define RTL8366S_VLAN_MC_BASE(_x) (0x0016 + (_x) * 2)
126 #define RTL8366S_VLAN_MEMBERINGRESS_REG 0x0379
128 #define RTL8366S_PORT_LINK_STATUS_BASE 0x0060
129 #define RTL8366S_PORT_STATUS_SPEED_MASK 0x0003
130 #define RTL8366S_PORT_STATUS_DUPLEX_MASK 0x0004
131 #define RTL8366S_PORT_STATUS_LINK_MASK 0x0010
132 #define RTL8366S_PORT_STATUS_TXPAUSE_MASK 0x0020
133 #define RTL8366S_PORT_STATUS_RXPAUSE_MASK 0x0040
134 #define RTL8366S_PORT_STATUS_AN_MASK 0x0080
137 #define RTL8366S_PORT_NUM_CPU 5
138 #define RTL8366S_NUM_PORTS 6
139 #define RTL8366S_NUM_VLANS 16
140 #define RTL8366S_NUM_LEDGROUPS 4
141 #define RTL8366S_NUM_VIDS 4096
142 #define RTL8366S_PRIORITYMAX 7
143 #define RTL8366S_FIDMAX 7
146 #define RTL8366S_PORT_1 (1 << 0) /* In userspace port 0 */
147 #define RTL8366S_PORT_2 (1 << 1) /* In userspace port 1 */
148 #define RTL8366S_PORT_3 (1 << 2) /* In userspace port 2 */
149 #define RTL8366S_PORT_4 (1 << 3) /* In userspace port 3 */
151 #define RTL8366S_PORT_UNKNOWN (1 << 4) /* No known connection */
152 #define RTL8366S_PORT_CPU (1 << 5) /* CPU port */
154 #define RTL8366S_PORT_ALL (RTL8366S_PORT_1 | \
158 RTL8366S_PORT_UNKNOWN | \
161 #define RTL8366S_PORT_ALL_BUT_CPU (RTL8366S_PORT_1 | \
165 RTL8366S_PORT_UNKNOWN)
167 #define RTL8366S_PORT_ALL_EXTERNAL (RTL8366S_PORT_1 | \
172 #define RTL8366S_PORT_ALL_INTERNAL (RTL8366S_PORT_UNKNOWN | \
175 #define RTL8366S_VLAN_VID_MASK 0xfff
176 #define RTL8366S_VLAN_PRIORITY_SHIFT 12
177 #define RTL8366S_VLAN_PRIORITY_MASK 0x7
178 #define RTL8366S_VLAN_MEMBER_MASK 0x3f
179 #define RTL8366S_VLAN_UNTAG_SHIFT 6
180 #define RTL8366S_VLAN_UNTAG_MASK 0x3f
181 #define RTL8366S_VLAN_FID_SHIFT 12
182 #define RTL8366S_VLAN_FID_MASK 0x7
184 static struct rtl8366_mib_counter rtl8366s_mib_counters
[] = {
185 { 0, 0, 4, "IfInOctets" },
186 { 0, 4, 4, "EtherStatsOctets" },
187 { 0, 8, 2, "EtherStatsUnderSizePkts" },
188 { 0, 10, 2, "EtherFragments" },
189 { 0, 12, 2, "EtherStatsPkts64Octets" },
190 { 0, 14, 2, "EtherStatsPkts65to127Octets" },
191 { 0, 16, 2, "EtherStatsPkts128to255Octets" },
192 { 0, 18, 2, "EtherStatsPkts256to511Octets" },
193 { 0, 20, 2, "EtherStatsPkts512to1023Octets" },
194 { 0, 22, 2, "EtherStatsPkts1024to1518Octets" },
195 { 0, 24, 2, "EtherOversizeStats" },
196 { 0, 26, 2, "EtherStatsJabbers" },
197 { 0, 28, 2, "IfInUcastPkts" },
198 { 0, 30, 2, "EtherStatsMulticastPkts" },
199 { 0, 32, 2, "EtherStatsBroadcastPkts" },
200 { 0, 34, 2, "EtherStatsDropEvents" },
201 { 0, 36, 2, "Dot3StatsFCSErrors" },
202 { 0, 38, 2, "Dot3StatsSymbolErrors" },
203 { 0, 40, 2, "Dot3InPauseFrames" },
204 { 0, 42, 2, "Dot3ControlInUnknownOpcodes" },
205 { 0, 44, 4, "IfOutOctets" },
206 { 0, 48, 2, "Dot3StatsSingleCollisionFrames" },
207 { 0, 50, 2, "Dot3StatMultipleCollisionFrames" },
208 { 0, 52, 2, "Dot3sDeferredTransmissions" },
209 { 0, 54, 2, "Dot3StatsLateCollisions" },
210 { 0, 56, 2, "EtherStatsCollisions" },
211 { 0, 58, 2, "Dot3StatsExcessiveCollisions" },
212 { 0, 60, 2, "Dot3OutPauseFrames" },
213 { 0, 62, 2, "Dot1dBasePortDelayExceededDiscards" },
216 * The following counters are accessible at a different
219 { 1, 0, 2, "Dot1dTpPortInDiscards" },
220 { 1, 2, 2, "IfOutUcastPkts" },
221 { 1, 4, 2, "IfOutMulticastPkts" },
222 { 1, 6, 2, "IfOutBroadcastPkts" },
225 #define REG_WR(_smi, _reg, _val) \
227 err = rtl8366_smi_write_reg(_smi, _reg, _val); \
232 #define REG_RMW(_smi, _reg, _mask, _val) \
234 err = rtl8366_smi_rmwr(_smi, _reg, _mask, _val); \
239 static int rtl8366s_reset_chip(struct rtl8366_smi
*smi
)
244 rtl8366_smi_write_reg_noack(smi
, RTL8366S_RESET_CTRL_REG
,
245 RTL8366S_CHIP_CTRL_RESET_HW
);
248 if (rtl8366_smi_read_reg(smi
, RTL8366S_RESET_CTRL_REG
, &data
))
251 if (!(data
& RTL8366S_CHIP_CTRL_RESET_HW
))
256 printk("Timeout waiting for the switch to reset\n");
263 static int rtl8366s_read_phy_reg(struct rtl8366_smi
*smi
,
264 u32 phy_no
, u32 page
, u32 addr
, u32
*data
)
269 if (phy_no
> RTL8366S_PHY_NO_MAX
)
272 if (page
> RTL8366S_PHY_PAGE_MAX
)
275 if (addr
> RTL8366S_PHY_ADDR_MAX
)
278 ret
= rtl8366_smi_write_reg(smi
, RTL8366S_PHY_ACCESS_CTRL_REG
,
279 RTL8366S_PHY_CTRL_READ
);
283 reg
= 0x8000 | (1 << (phy_no
+ RTL8366S_PHY_NO_OFFSET
)) |
284 ((page
<< RTL8366S_PHY_PAGE_OFFSET
) & RTL8366S_PHY_PAGE_MASK
) |
285 (addr
& RTL8366S_PHY_REG_MASK
);
287 ret
= rtl8366_smi_write_reg(smi
, reg
, 0);
291 ret
= rtl8366_smi_read_reg(smi
, RTL8366S_PHY_ACCESS_DATA_REG
, data
);
298 static int rtl8366s_write_phy_reg(struct rtl8366_smi
*smi
,
299 u32 phy_no
, u32 page
, u32 addr
, u32 data
)
304 if (phy_no
> RTL8366S_PHY_NO_MAX
)
307 if (page
> RTL8366S_PHY_PAGE_MAX
)
310 if (addr
> RTL8366S_PHY_ADDR_MAX
)
313 ret
= rtl8366_smi_write_reg(smi
, RTL8366S_PHY_ACCESS_CTRL_REG
,
314 RTL8366S_PHY_CTRL_WRITE
);
318 reg
= 0x8000 | (1 << (phy_no
+ RTL8366S_PHY_NO_OFFSET
)) |
319 ((page
<< RTL8366S_PHY_PAGE_OFFSET
) & RTL8366S_PHY_PAGE_MASK
) |
320 (addr
& RTL8366S_PHY_REG_MASK
);
322 ret
= rtl8366_smi_write_reg(smi
, reg
, data
);
329 static int rtl8366s_set_green_port(struct rtl8366_smi
*smi
, int port
, int enable
)
334 if (port
>= RTL8366S_NUM_PORTS
)
337 err
= rtl8366s_read_phy_reg(smi
, port
, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG
, &phyData
);
342 phyData
|= RTL8366S_PHY_POWER_SAVING_MASK
;
344 phyData
&= ~RTL8366S_PHY_POWER_SAVING_MASK
;
346 err
= rtl8366s_write_phy_reg(smi
, port
, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG
, phyData
);
353 static int rtl8366s_set_green(struct rtl8366_smi
*smi
, int enable
)
360 for (i
= 0; i
<= RTL8366S_PHY_NO_MAX
; i
++) {
361 rtl8366s_set_green_port(smi
, i
, 0);
366 data
= (RTL8366S_GREEN_ETHERNET_TX_BIT
| RTL8366S_GREEN_ETHERNET_RX_BIT
);
368 REG_RMW(smi
, RTL8366S_GREEN_ETHERNET_CTRL_REG
, RTL8366S_GREEN_ETHERNET_CTRL_MASK
, data
);
373 static int rtl8366s_setup(struct rtl8366_smi
*smi
)
375 struct rtl8366_platform_data
*pdata
;
379 struct device_node
*np
;
380 unsigned num_initvals
;
384 pdata
= smi
->parent
->platform_data
;
385 if (pdata
&& pdata
->num_initvals
&& pdata
->initvals
) {
386 dev_info(smi
->parent
, "applying initvals\n");
387 for (i
= 0; i
< pdata
->num_initvals
; i
++)
388 REG_WR(smi
, pdata
->initvals
[i
].reg
,
389 pdata
->initvals
[i
].val
);
393 np
= smi
->parent
->of_node
;
395 paddr
= of_get_property(np
, "realtek,initvals", &num_initvals
);
397 dev_info(smi
->parent
, "applying initvals from DTS\n");
399 if (num_initvals
< (2 * sizeof(*paddr
)))
402 num_initvals
/= sizeof(*paddr
);
404 for (i
= 0; i
< num_initvals
- 1; i
+= 2) {
405 u32 reg
= be32_to_cpup(paddr
+ i
);
406 u32 val
= be32_to_cpup(paddr
+ i
+ 1);
408 REG_WR(smi
, reg
, val
);
412 if (of_property_read_bool(np
, "realtek,green-ethernet-features")) {
413 dev_info(smi
->parent
, "activating Green Ethernet features\n");
415 err
= rtl8366s_set_green(smi
, 1);
419 for (i
= 0; i
<= RTL8366S_PHY_NO_MAX
; i
++) {
420 err
= rtl8366s_set_green_port(smi
, i
, 1);
427 /* set maximum packet length to 1536 bytes */
428 REG_RMW(smi
, RTL8366S_SGCR
, RTL8366S_SGCR_MAX_LENGTH_MASK
,
429 RTL8366S_SGCR_MAX_LENGTH_1536
);
431 /* enable learning for all ports */
432 REG_WR(smi
, RTL8366S_SSCR0
, 0);
434 /* enable auto ageing for all ports */
435 REG_WR(smi
, RTL8366S_SSCR1
, 0);
438 * discard VLAN tagged packets if the port is not a member of
439 * the VLAN with which the packets is associated.
441 REG_WR(smi
, RTL8366S_VLAN_MEMBERINGRESS_REG
, RTL8366S_PORT_ALL
);
443 /* don't drop packets whose DA has not been learned */
444 REG_RMW(smi
, RTL8366S_SSCR2
, RTL8366S_SSCR2_DROP_UNKNOWN_DA
, 0);
449 static int rtl8366_get_mib_counter(struct rtl8366_smi
*smi
, int counter
,
450 int port
, unsigned long long *val
)
457 if (port
> RTL8366S_NUM_PORTS
|| counter
>= RTL8366S_MIB_COUNT
)
460 switch (rtl8366s_mib_counters
[counter
].base
) {
462 addr
= RTL8366S_MIB_COUNTER_BASE
+
463 RTL8366S_MIB_COUNTER_PORT_OFFSET
* port
;
467 addr
= RTL8366S_MIB_COUNTER_BASE2
+
468 RTL8366S_MIB_COUNTER_PORT_OFFSET2
* port
;
475 addr
+= rtl8366s_mib_counters
[counter
].offset
;
478 * Writing access counter address first
479 * then ASIC will prepare 64bits counter wait for being retrived
481 data
= 0; /* writing data will be discard by ASIC */
482 err
= rtl8366_smi_write_reg(smi
, addr
, data
);
486 /* read MIB control register */
487 err
= rtl8366_smi_read_reg(smi
, RTL8366S_MIB_CTRL_REG
, &data
);
491 if (data
& RTL8366S_MIB_CTRL_BUSY_MASK
)
494 if (data
& RTL8366S_MIB_CTRL_RESET_MASK
)
498 for (i
= rtl8366s_mib_counters
[counter
].length
; i
> 0; i
--) {
499 err
= rtl8366_smi_read_reg(smi
, addr
+ (i
- 1), &data
);
503 mibvalue
= (mibvalue
<< 16) | (data
& 0xFFFF);
510 static int rtl8366s_get_vlan_4k(struct rtl8366_smi
*smi
, u32 vid
,
511 struct rtl8366_vlan_4k
*vlan4k
)
517 memset(vlan4k
, '\0', sizeof(struct rtl8366_vlan_4k
));
519 if (vid
>= RTL8366S_NUM_VIDS
)
523 err
= rtl8366_smi_write_reg(smi
, RTL8366S_VLAN_TABLE_WRITE_BASE
,
524 vid
& RTL8366S_VLAN_VID_MASK
);
528 /* write table access control word */
529 err
= rtl8366_smi_write_reg(smi
, RTL8366S_TABLE_ACCESS_CTRL_REG
,
530 RTL8366S_TABLE_VLAN_READ_CTRL
);
534 for (i
= 0; i
< 2; i
++) {
535 err
= rtl8366_smi_read_reg(smi
,
536 RTL8366S_VLAN_TABLE_READ_BASE
+ i
,
543 vlan4k
->untag
= (data
[1] >> RTL8366S_VLAN_UNTAG_SHIFT
) &
544 RTL8366S_VLAN_UNTAG_MASK
;
545 vlan4k
->member
= data
[1] & RTL8366S_VLAN_MEMBER_MASK
;
546 vlan4k
->fid
= (data
[1] >> RTL8366S_VLAN_FID_SHIFT
) &
547 RTL8366S_VLAN_FID_MASK
;
552 static int rtl8366s_set_vlan_4k(struct rtl8366_smi
*smi
,
553 const struct rtl8366_vlan_4k
*vlan4k
)
559 if (vlan4k
->vid
>= RTL8366S_NUM_VIDS
||
560 vlan4k
->member
> RTL8366S_VLAN_MEMBER_MASK
||
561 vlan4k
->untag
> RTL8366S_VLAN_UNTAG_MASK
||
562 vlan4k
->fid
> RTL8366S_FIDMAX
)
565 data
[0] = vlan4k
->vid
& RTL8366S_VLAN_VID_MASK
;
566 data
[1] = (vlan4k
->member
& RTL8366S_VLAN_MEMBER_MASK
) |
567 ((vlan4k
->untag
& RTL8366S_VLAN_UNTAG_MASK
) <<
568 RTL8366S_VLAN_UNTAG_SHIFT
) |
569 ((vlan4k
->fid
& RTL8366S_VLAN_FID_MASK
) <<
570 RTL8366S_VLAN_FID_SHIFT
);
572 for (i
= 0; i
< 2; i
++) {
573 err
= rtl8366_smi_write_reg(smi
,
574 RTL8366S_VLAN_TABLE_WRITE_BASE
+ i
,
580 /* write table access control word */
581 err
= rtl8366_smi_write_reg(smi
, RTL8366S_TABLE_ACCESS_CTRL_REG
,
582 RTL8366S_TABLE_VLAN_WRITE_CTRL
);
587 static int rtl8366s_get_vlan_mc(struct rtl8366_smi
*smi
, u32 index
,
588 struct rtl8366_vlan_mc
*vlanmc
)
594 memset(vlanmc
, '\0', sizeof(struct rtl8366_vlan_mc
));
596 if (index
>= RTL8366S_NUM_VLANS
)
599 for (i
= 0; i
< 2; i
++) {
600 err
= rtl8366_smi_read_reg(smi
,
601 RTL8366S_VLAN_MC_BASE(index
) + i
,
607 vlanmc
->vid
= data
[0] & RTL8366S_VLAN_VID_MASK
;
608 vlanmc
->priority
= (data
[0] >> RTL8366S_VLAN_PRIORITY_SHIFT
) &
609 RTL8366S_VLAN_PRIORITY_MASK
;
610 vlanmc
->untag
= (data
[1] >> RTL8366S_VLAN_UNTAG_SHIFT
) &
611 RTL8366S_VLAN_UNTAG_MASK
;
612 vlanmc
->member
= data
[1] & RTL8366S_VLAN_MEMBER_MASK
;
613 vlanmc
->fid
= (data
[1] >> RTL8366S_VLAN_FID_SHIFT
) &
614 RTL8366S_VLAN_FID_MASK
;
619 static int rtl8366s_set_vlan_mc(struct rtl8366_smi
*smi
, u32 index
,
620 const struct rtl8366_vlan_mc
*vlanmc
)
626 if (index
>= RTL8366S_NUM_VLANS
||
627 vlanmc
->vid
>= RTL8366S_NUM_VIDS
||
628 vlanmc
->priority
> RTL8366S_PRIORITYMAX
||
629 vlanmc
->member
> RTL8366S_VLAN_MEMBER_MASK
||
630 vlanmc
->untag
> RTL8366S_VLAN_UNTAG_MASK
||
631 vlanmc
->fid
> RTL8366S_FIDMAX
)
634 data
[0] = (vlanmc
->vid
& RTL8366S_VLAN_VID_MASK
) |
635 ((vlanmc
->priority
& RTL8366S_VLAN_PRIORITY_MASK
) <<
636 RTL8366S_VLAN_PRIORITY_SHIFT
);
637 data
[1] = (vlanmc
->member
& RTL8366S_VLAN_MEMBER_MASK
) |
638 ((vlanmc
->untag
& RTL8366S_VLAN_UNTAG_MASK
) <<
639 RTL8366S_VLAN_UNTAG_SHIFT
) |
640 ((vlanmc
->fid
& RTL8366S_VLAN_FID_MASK
) <<
641 RTL8366S_VLAN_FID_SHIFT
);
643 for (i
= 0; i
< 2; i
++) {
644 err
= rtl8366_smi_write_reg(smi
,
645 RTL8366S_VLAN_MC_BASE(index
) + i
,
654 static int rtl8366s_get_mc_index(struct rtl8366_smi
*smi
, int port
, int *val
)
659 if (port
>= RTL8366S_NUM_PORTS
)
662 err
= rtl8366_smi_read_reg(smi
, RTL8366S_PORT_VLAN_CTRL_REG(port
),
667 *val
= (data
>> RTL8366S_PORT_VLAN_CTRL_SHIFT(port
)) &
668 RTL8366S_PORT_VLAN_CTRL_MASK
;
673 static int rtl8366s_set_mc_index(struct rtl8366_smi
*smi
, int port
, int index
)
675 if (port
>= RTL8366S_NUM_PORTS
|| index
>= RTL8366S_NUM_VLANS
)
678 return rtl8366_smi_rmwr(smi
, RTL8366S_PORT_VLAN_CTRL_REG(port
),
679 RTL8366S_PORT_VLAN_CTRL_MASK
<<
680 RTL8366S_PORT_VLAN_CTRL_SHIFT(port
),
681 (index
& RTL8366S_PORT_VLAN_CTRL_MASK
) <<
682 RTL8366S_PORT_VLAN_CTRL_SHIFT(port
));
685 static int rtl8366s_enable_vlan(struct rtl8366_smi
*smi
, int enable
)
687 return rtl8366_smi_rmwr(smi
, RTL8366S_SGCR
, RTL8366S_SGCR_EN_VLAN
,
688 (enable
) ? RTL8366S_SGCR_EN_VLAN
: 0);
691 static int rtl8366s_enable_vlan4k(struct rtl8366_smi
*smi
, int enable
)
693 return rtl8366_smi_rmwr(smi
, RTL8366S_VLAN_TB_CTRL_REG
,
694 1, (enable
) ? 1 : 0);
697 static int rtl8366s_is_vlan_valid(struct rtl8366_smi
*smi
, unsigned vlan
)
699 unsigned max
= RTL8366S_NUM_VLANS
;
701 if (smi
->vlan4k_enabled
)
702 max
= RTL8366S_NUM_VIDS
- 1;
704 if (vlan
== 0 || vlan
>= max
)
710 static int rtl8366s_enable_port(struct rtl8366_smi
*smi
, int port
, int enable
)
712 return rtl8366_smi_rmwr(smi
, RTL8366S_PECR
, (1 << port
),
713 (enable
) ? 0 : (1 << port
));
716 static int rtl8366s_sw_reset_mibs(struct switch_dev
*dev
,
717 const struct switch_attr
*attr
,
718 struct switch_val
*val
)
720 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
722 return rtl8366_smi_rmwr(smi
, RTL8366S_MIB_CTRL_REG
, 0, (1 << 2));
725 static int rtl8366s_sw_get_blinkrate(struct switch_dev
*dev
,
726 const struct switch_attr
*attr
,
727 struct switch_val
*val
)
729 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
732 rtl8366_smi_read_reg(smi
, RTL8366S_LED_BLINKRATE_REG
, &data
);
734 val
->value
.i
= (data
& (RTL8366S_LED_BLINKRATE_MASK
));
739 static int rtl8366s_sw_set_blinkrate(struct switch_dev
*dev
,
740 const struct switch_attr
*attr
,
741 struct switch_val
*val
)
743 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
745 if (val
->value
.i
>= 6)
748 return rtl8366_smi_rmwr(smi
, RTL8366S_LED_BLINKRATE_REG
,
749 RTL8366S_LED_BLINKRATE_MASK
,
753 static int rtl8366s_sw_get_max_length(struct switch_dev
*dev
,
754 const struct switch_attr
*attr
,
755 struct switch_val
*val
)
757 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
760 rtl8366_smi_read_reg(smi
, RTL8366S_SGCR
, &data
);
762 val
->value
.i
= ((data
& (RTL8366S_SGCR_MAX_LENGTH_MASK
)) >> 4);
767 static int rtl8366s_sw_set_max_length(struct switch_dev
*dev
,
768 const struct switch_attr
*attr
,
769 struct switch_val
*val
)
771 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
774 switch (val
->value
.i
) {
776 length_code
= RTL8366S_SGCR_MAX_LENGTH_1522
;
779 length_code
= RTL8366S_SGCR_MAX_LENGTH_1536
;
782 length_code
= RTL8366S_SGCR_MAX_LENGTH_1552
;
785 length_code
= RTL8366S_SGCR_MAX_LENGTH_16000
;
791 return rtl8366_smi_rmwr(smi
, RTL8366S_SGCR
,
792 RTL8366S_SGCR_MAX_LENGTH_MASK
,
796 static int rtl8366s_sw_get_learning_enable(struct switch_dev
*dev
,
797 const struct switch_attr
*attr
,
798 struct switch_val
*val
)
800 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
803 rtl8366_smi_read_reg(smi
,RTL8366S_SSCR0
, &data
);
804 val
->value
.i
= !data
;
810 static int rtl8366s_sw_set_learning_enable(struct switch_dev
*dev
,
811 const struct switch_attr
*attr
,
812 struct switch_val
*val
)
814 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
819 portmask
= RTL8366S_PORT_ALL
;
821 /* set learning for all ports */
822 REG_WR(smi
, RTL8366S_SSCR0
, portmask
);
824 /* set auto ageing for all ports */
825 REG_WR(smi
, RTL8366S_SSCR1
, portmask
);
830 static int rtl8366s_sw_get_green(struct switch_dev
*dev
,
831 const struct switch_attr
*attr
,
832 struct switch_val
*val
)
834 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
838 err
= rtl8366_smi_read_reg(smi
, RTL8366S_GREEN_ETHERNET_CTRL_REG
, &data
);
842 val
->value
.i
= ((data
& (RTL8366S_GREEN_ETHERNET_TX_BIT
| RTL8366S_GREEN_ETHERNET_RX_BIT
)) != 0) ? 1 : 0;
847 static int rtl8366s_sw_set_green(struct switch_dev
*dev
,
848 const struct switch_attr
*attr
,
849 struct switch_val
*val
)
851 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
853 return rtl8366s_set_green(smi
, val
->value
.i
);
856 static int rtl8366s_sw_get_port_link(struct switch_dev
*dev
,
858 struct switch_port_link
*link
)
860 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
864 if (port
>= RTL8366S_NUM_PORTS
)
867 rtl8366_smi_read_reg(smi
, RTL8366S_PORT_LINK_STATUS_BASE
+ (port
/ 2),
873 link
->link
= !!(data
& RTL8366S_PORT_STATUS_LINK_MASK
);
877 link
->duplex
= !!(data
& RTL8366S_PORT_STATUS_DUPLEX_MASK
);
878 link
->rx_flow
= !!(data
& RTL8366S_PORT_STATUS_RXPAUSE_MASK
);
879 link
->tx_flow
= !!(data
& RTL8366S_PORT_STATUS_TXPAUSE_MASK
);
880 link
->aneg
= !!(data
& RTL8366S_PORT_STATUS_AN_MASK
);
882 speed
= (data
& RTL8366S_PORT_STATUS_SPEED_MASK
);
885 link
->speed
= SWITCH_PORT_SPEED_10
;
888 link
->speed
= SWITCH_PORT_SPEED_100
;
891 link
->speed
= SWITCH_PORT_SPEED_1000
;
894 link
->speed
= SWITCH_PORT_SPEED_UNKNOWN
;
901 static int rtl8366s_sw_set_port_led(struct switch_dev
*dev
,
902 const struct switch_attr
*attr
,
903 struct switch_val
*val
)
905 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
910 if (val
->port_vlan
>= RTL8366S_NUM_PORTS
||
911 (1 << val
->port_vlan
) == RTL8366S_PORT_UNKNOWN
)
914 if (val
->port_vlan
== RTL8366S_PORT_NUM_CPU
) {
915 reg
= RTL8366S_LED_BLINKRATE_REG
;
917 data
= val
->value
.i
<< 4;
919 reg
= RTL8366S_LED_CTRL_REG
;
920 mask
= 0xF << (val
->port_vlan
* 4),
921 data
= val
->value
.i
<< (val
->port_vlan
* 4);
924 return rtl8366_smi_rmwr(smi
, reg
, mask
, data
);
927 static int rtl8366s_sw_get_port_led(struct switch_dev
*dev
,
928 const struct switch_attr
*attr
,
929 struct switch_val
*val
)
931 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
934 if (val
->port_vlan
>= RTL8366S_NUM_LEDGROUPS
)
937 rtl8366_smi_read_reg(smi
, RTL8366S_LED_CTRL_REG
, &data
);
938 val
->value
.i
= (data
>> (val
->port_vlan
* 4)) & 0x000F;
943 static int rtl8366s_sw_get_green_port(struct switch_dev
*dev
,
944 const struct switch_attr
*attr
,
945 struct switch_val
*val
)
947 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
951 if (val
->port_vlan
>= RTL8366S_NUM_PORTS
)
954 err
= rtl8366s_read_phy_reg(smi
, val
->port_vlan
, 0, RTL8366S_PHY_POWER_SAVING_CTRL_REG
, &phyData
);
958 val
->value
.i
= ((phyData
& RTL8366S_PHY_POWER_SAVING_MASK
) != 0) ? 1 : 0;
963 static int rtl8366s_sw_set_green_port(struct switch_dev
*dev
,
964 const struct switch_attr
*attr
,
965 struct switch_val
*val
)
967 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
968 return rtl8366s_set_green_port(smi
, val
->port_vlan
, val
->value
.i
);
971 static int rtl8366s_sw_reset_port_mibs(struct switch_dev
*dev
,
972 const struct switch_attr
*attr
,
973 struct switch_val
*val
)
975 struct rtl8366_smi
*smi
= sw_to_rtl8366_smi(dev
);
977 if (val
->port_vlan
>= RTL8366S_NUM_PORTS
)
981 return rtl8366_smi_rmwr(smi
, RTL8366S_MIB_CTRL_REG
,
982 0, (1 << (val
->port_vlan
+ 3)));
985 static struct switch_attr rtl8366s_globals
[] = {
987 .type
= SWITCH_TYPE_INT
,
988 .name
= "enable_learning",
989 .description
= "Enable learning, enable aging",
990 .set
= rtl8366s_sw_set_learning_enable
,
991 .get
= rtl8366s_sw_get_learning_enable
,
994 .type
= SWITCH_TYPE_INT
,
995 .name
= "enable_vlan",
996 .description
= "Enable VLAN mode",
997 .set
= rtl8366_sw_set_vlan_enable
,
998 .get
= rtl8366_sw_get_vlan_enable
,
1002 .type
= SWITCH_TYPE_INT
,
1003 .name
= "enable_vlan4k",
1004 .description
= "Enable VLAN 4K mode",
1005 .set
= rtl8366_sw_set_vlan_enable
,
1006 .get
= rtl8366_sw_get_vlan_enable
,
1010 .type
= SWITCH_TYPE_NOVAL
,
1011 .name
= "reset_mibs",
1012 .description
= "Reset all MIB counters",
1013 .set
= rtl8366s_sw_reset_mibs
,
1015 .type
= SWITCH_TYPE_INT
,
1016 .name
= "blinkrate",
1017 .description
= "Get/Set LED blinking rate (0 = 43ms, 1 = 84ms,"
1018 " 2 = 120ms, 3 = 170ms, 4 = 340ms, 5 = 670ms)",
1019 .set
= rtl8366s_sw_set_blinkrate
,
1020 .get
= rtl8366s_sw_get_blinkrate
,
1023 .type
= SWITCH_TYPE_INT
,
1024 .name
= "max_length",
1025 .description
= "Get/Set the maximum length of valid packets"
1026 " (0 = 1522, 1 = 1536, 2 = 1552, 3 = 16000 (9216?))",
1027 .set
= rtl8366s_sw_set_max_length
,
1028 .get
= rtl8366s_sw_get_max_length
,
1031 .type
= SWITCH_TYPE_INT
,
1032 .name
= "green_mode",
1033 .description
= "Get/Set the router green feature",
1034 .set
= rtl8366s_sw_set_green
,
1035 .get
= rtl8366s_sw_get_green
,
1040 static struct switch_attr rtl8366s_port
[] = {
1042 .type
= SWITCH_TYPE_NOVAL
,
1043 .name
= "reset_mib",
1044 .description
= "Reset single port MIB counters",
1045 .set
= rtl8366s_sw_reset_port_mibs
,
1047 .type
= SWITCH_TYPE_STRING
,
1049 .description
= "Get MIB counters for port",
1052 .get
= rtl8366_sw_get_port_mib
,
1054 .type
= SWITCH_TYPE_INT
,
1056 .description
= "Get/Set port group (0 - 3) led mode (0 - 15)",
1058 .set
= rtl8366s_sw_set_port_led
,
1059 .get
= rtl8366s_sw_get_port_led
,
1061 .type
= SWITCH_TYPE_INT
,
1062 .name
= "green_port",
1063 .description
= "Get/Set port green feature (0 - 1)",
1065 .set
= rtl8366s_sw_set_green_port
,
1066 .get
= rtl8366s_sw_get_green_port
,
1070 static struct switch_attr rtl8366s_vlan
[] = {
1072 .type
= SWITCH_TYPE_STRING
,
1074 .description
= "Get vlan information",
1077 .get
= rtl8366_sw_get_vlan_info
,
1079 .type
= SWITCH_TYPE_INT
,
1081 .description
= "Get/Set vlan FID",
1082 .max
= RTL8366S_FIDMAX
,
1083 .set
= rtl8366_sw_set_vlan_fid
,
1084 .get
= rtl8366_sw_get_vlan_fid
,
1088 static const struct switch_dev_ops rtl8366_ops
= {
1090 .attr
= rtl8366s_globals
,
1091 .n_attr
= ARRAY_SIZE(rtl8366s_globals
),
1094 .attr
= rtl8366s_port
,
1095 .n_attr
= ARRAY_SIZE(rtl8366s_port
),
1098 .attr
= rtl8366s_vlan
,
1099 .n_attr
= ARRAY_SIZE(rtl8366s_vlan
),
1102 .get_vlan_ports
= rtl8366_sw_get_vlan_ports
,
1103 .set_vlan_ports
= rtl8366_sw_set_vlan_ports
,
1104 .get_port_pvid
= rtl8366_sw_get_port_pvid
,
1105 .set_port_pvid
= rtl8366_sw_set_port_pvid
,
1106 .reset_switch
= rtl8366_sw_reset_switch
,
1107 .get_port_link
= rtl8366s_sw_get_port_link
,
1110 static int rtl8366s_switch_init(struct rtl8366_smi
*smi
)
1112 struct switch_dev
*dev
= &smi
->sw_dev
;
1115 dev
->name
= "RTL8366S";
1116 dev
->cpu_port
= RTL8366S_PORT_NUM_CPU
;
1117 dev
->ports
= RTL8366S_NUM_PORTS
;
1118 dev
->vlans
= RTL8366S_NUM_VIDS
;
1119 dev
->ops
= &rtl8366_ops
;
1120 dev
->alias
= dev_name(smi
->parent
);
1122 err
= register_switch(dev
, NULL
);
1124 dev_err(smi
->parent
, "switch registration failed\n");
1129 static void rtl8366s_switch_cleanup(struct rtl8366_smi
*smi
)
1131 unregister_switch(&smi
->sw_dev
);
1134 static int rtl8366s_mii_read(struct mii_bus
*bus
, int addr
, int reg
)
1136 struct rtl8366_smi
*smi
= bus
->priv
;
1140 err
= rtl8366s_read_phy_reg(smi
, addr
, 0, reg
, &val
);
1147 static int rtl8366s_mii_write(struct mii_bus
*bus
, int addr
, int reg
, u16 val
)
1149 struct rtl8366_smi
*smi
= bus
->priv
;
1153 err
= rtl8366s_write_phy_reg(smi
, addr
, 0, reg
, val
);
1155 (void) rtl8366s_read_phy_reg(smi
, addr
, 0, reg
, &t
);
1160 static int rtl8366s_detect(struct rtl8366_smi
*smi
)
1166 ret
= rtl8366_smi_read_reg(smi
, RTL8366S_CHIP_ID_REG
, &chip_id
);
1168 dev_err(smi
->parent
, "unable to read chip id\n");
1173 case RTL8366S_CHIP_ID_8366
:
1176 dev_err(smi
->parent
, "unknown chip id (%04x)\n", chip_id
);
1180 ret
= rtl8366_smi_read_reg(smi
, RTL8366S_CHIP_VERSION_CTRL_REG
,
1183 dev_err(smi
->parent
, "unable to read chip version\n");
1187 dev_info(smi
->parent
, "RTL%04x ver. %u chip found\n",
1188 chip_id
, chip_ver
& RTL8366S_CHIP_VERSION_MASK
);
1193 static struct rtl8366_smi_ops rtl8366s_smi_ops
= {
1194 .detect
= rtl8366s_detect
,
1195 .reset_chip
= rtl8366s_reset_chip
,
1196 .setup
= rtl8366s_setup
,
1198 .mii_read
= rtl8366s_mii_read
,
1199 .mii_write
= rtl8366s_mii_write
,
1201 .get_vlan_mc
= rtl8366s_get_vlan_mc
,
1202 .set_vlan_mc
= rtl8366s_set_vlan_mc
,
1203 .get_vlan_4k
= rtl8366s_get_vlan_4k
,
1204 .set_vlan_4k
= rtl8366s_set_vlan_4k
,
1205 .get_mc_index
= rtl8366s_get_mc_index
,
1206 .set_mc_index
= rtl8366s_set_mc_index
,
1207 .get_mib_counter
= rtl8366_get_mib_counter
,
1208 .is_vlan_valid
= rtl8366s_is_vlan_valid
,
1209 .enable_vlan
= rtl8366s_enable_vlan
,
1210 .enable_vlan4k
= rtl8366s_enable_vlan4k
,
1211 .enable_port
= rtl8366s_enable_port
,
1214 static int rtl8366s_probe(struct platform_device
*pdev
)
1216 static int rtl8366_smi_version_printed
;
1217 struct rtl8366_smi
*smi
;
1220 if (!rtl8366_smi_version_printed
++)
1221 printk(KERN_NOTICE RTL8366S_DRIVER_DESC
1222 " version " RTL8366S_DRIVER_VER
"\n");
1224 smi
= rtl8366_smi_probe(pdev
);
1228 smi
->clk_delay
= 10;
1229 smi
->cmd_read
= 0xa9;
1230 smi
->cmd_write
= 0xa8;
1231 smi
->ops
= &rtl8366s_smi_ops
;
1232 smi
->cpu_port
= RTL8366S_PORT_NUM_CPU
;
1233 smi
->num_ports
= RTL8366S_NUM_PORTS
;
1234 smi
->num_vlan_mc
= RTL8366S_NUM_VLANS
;
1235 smi
->mib_counters
= rtl8366s_mib_counters
;
1236 smi
->num_mib_counters
= ARRAY_SIZE(rtl8366s_mib_counters
);
1238 err
= rtl8366_smi_init(smi
);
1242 platform_set_drvdata(pdev
, smi
);
1244 err
= rtl8366s_switch_init(smi
);
1246 goto err_clear_drvdata
;
1251 platform_set_drvdata(pdev
, NULL
);
1252 rtl8366_smi_cleanup(smi
);
1258 static int rtl8366s_remove(struct platform_device
*pdev
)
1260 struct rtl8366_smi
*smi
= platform_get_drvdata(pdev
);
1263 rtl8366s_switch_cleanup(smi
);
1264 platform_set_drvdata(pdev
, NULL
);
1265 rtl8366_smi_cleanup(smi
);
1273 static const struct of_device_id rtl8366s_match
[] = {
1274 { .compatible
= "realtek,rtl8366s" },
1277 MODULE_DEVICE_TABLE(of
, rtl8366s_match
);
1280 static struct platform_driver rtl8366s_driver
= {
1282 .name
= RTL8366S_DRIVER_NAME
,
1283 .owner
= THIS_MODULE
,
1285 .of_match_table
= of_match_ptr(rtl8366s_match
),
1288 .probe
= rtl8366s_probe
,
1289 .remove
= rtl8366s_remove
,
1292 static int __init
rtl8366s_module_init(void)
1294 return platform_driver_register(&rtl8366s_driver
);
1296 module_init(rtl8366s_module_init
);
1298 static void __exit
rtl8366s_module_exit(void)
1300 platform_driver_unregister(&rtl8366s_driver
);
1302 module_exit(rtl8366s_module_exit
);
1304 MODULE_DESCRIPTION(RTL8366S_DRIVER_DESC
);
1305 MODULE_VERSION(RTL8366S_DRIVER_VER
);
1306 MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
1307 MODULE_AUTHOR("Antti Seppälä <a.seppala@gmail.com>");
1308 MODULE_LICENSE("GPL v2");
1309 MODULE_ALIAS("platform:" RTL8366S_DRIVER_NAME
);