2 * Broadcom BCM5325E/536x switch configuration module
4 * Copyright (C) 2005 Felix Fietkau <nbd@nbd.name>
5 * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
6 * Based on 'robocfg' by Oleg I. Vdovikin
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
24 #include <linux/module.h>
25 #include <linux/init.h>
27 #include <linux/if_arp.h>
28 #include <linux/sockios.h>
29 #include <linux/ethtool.h>
30 #include <linux/mii.h>
31 #include <linux/delay.h>
32 #include <linux/gpio.h>
33 #include <asm/uaccess.h>
35 #include "switch-core.h"
39 #include <bcm47xx_nvram.h>
42 #define DRIVER_NAME "bcm53xx"
43 #define DRIVER_VERSION "0.02"
44 #define PFX "roboswitch: "
46 #define ROBO_PHY_ADDR 0x1E /* robo switch phy address */
47 #define ROBO_PHY_ADDR_TG3 0x01 /* Tigon3 PHY address */
48 #define ROBO_PHY_ADDR_BCM63XX 0x00 /* BCM63XX PHY address */
51 #define REG_MII_PAGE 0x10 /* MII Page register */
52 #define REG_MII_ADDR 0x11 /* MII Address register */
53 #define REG_MII_DATA0 0x18 /* MII Data register 0 */
55 #define REG_MII_PAGE_ENABLE 1
56 #define REG_MII_ADDR_WRITE 1
57 #define REG_MII_ADDR_READ 2
59 /* Robo device ID register (in ROBO_MGMT_PAGE) */
60 #define ROBO_DEVICE_ID 0x30
61 #define ROBO_DEVICE_ID_5325 0x25 /* Faked */
62 #define ROBO_DEVICE_ID_5395 0x95
63 #define ROBO_DEVICE_ID_5397 0x97
64 #define ROBO_DEVICE_ID_5398 0x98
65 #define ROBO_DEVICE_ID_53115 0x3115
67 /* Private et.o ioctls */
68 #define SIOCGETCPHYRD (SIOCDEVPRIVATE + 9)
69 #define SIOCSETCPHYWR (SIOCDEVPRIVATE + 10)
71 /* Data structure for a Roboswitch device. */
73 char *device
; /* The device name string (ethX) */
74 u16 devid
; /* ROBO_DEVICE_ID_53xx */
76 bool gmii
; /* gigabit mii */
79 int gpio_lanports_enable
;
81 struct net_device
*dev
;
82 unsigned char port
[9];
85 /* Currently we can only have one device in the system. */
86 static struct robo_switch robo
;
89 static int do_ioctl(int cmd
)
91 mm_segment_t old_fs
= get_fs();
95 ret
= robo
.dev
->netdev_ops
->ndo_do_ioctl(robo
.dev
, &robo
.ifr
, cmd
);
101 static u16
mdio_read(__u16 phy_id
, __u8 reg
)
103 struct mii_ioctl_data
*mii
= if_mii(&robo
.ifr
);
106 mii
->phy_id
= phy_id
;
109 err
= do_ioctl(SIOCGMIIREG
);
111 printk(KERN_ERR PFX
"failed to read mdio reg %i with err %i.\n", reg
, err
);
119 static void mdio_write(__u16 phy_id
, __u8 reg
, __u16 val
)
121 struct mii_ioctl_data
*mii
= if_mii(&robo
.ifr
);
124 mii
->phy_id
= phy_id
;
128 err
= do_ioctl(SIOCSMIIREG
);
130 printk(KERN_ERR PFX
"failed to write mdio reg: %i with err %i.\n", reg
, err
);
135 static int robo_reg(__u8 page
, __u8 reg
, __u8 op
)
139 /* set page number */
140 mdio_write(ROBO_PHY_ADDR
, REG_MII_PAGE
,
141 (page
<< 8) | REG_MII_PAGE_ENABLE
);
143 /* set register address */
144 mdio_write(ROBO_PHY_ADDR
, REG_MII_ADDR
,
147 /* check if operation completed */
149 if ((mdio_read(ROBO_PHY_ADDR
, REG_MII_ADDR
) & 3) == 0)
153 printk(KERN_ERR PFX
"timeout in robo_reg on page %i and reg %i with op %i.\n", page
, reg
, op
);
159 static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
163 robo_reg(page, reg, REG_MII_ADDR_READ);
165 for (i = 0; i < count; i++)
166 val[i] = mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + i);
170 static __u16
robo_read16(__u8 page
, __u8 reg
)
172 robo_reg(page
, reg
, REG_MII_ADDR_READ
);
174 return mdio_read(ROBO_PHY_ADDR
, REG_MII_DATA0
);
177 static __u32
robo_read32(__u8 page
, __u8 reg
)
179 robo_reg(page
, reg
, REG_MII_ADDR_READ
);
181 return mdio_read(ROBO_PHY_ADDR
, REG_MII_DATA0
) |
182 (mdio_read(ROBO_PHY_ADDR
, REG_MII_DATA0
+ 1) << 16);
185 static void robo_write16(__u8 page
, __u8 reg
, __u16 val16
)
188 mdio_write(ROBO_PHY_ADDR
, REG_MII_DATA0
, val16
);
190 robo_reg(page
, reg
, REG_MII_ADDR_WRITE
);
193 static void robo_write32(__u8 page
, __u8 reg
, __u32 val32
)
196 mdio_write(ROBO_PHY_ADDR
, REG_MII_DATA0
, val32
& 0xFFFF);
197 mdio_write(ROBO_PHY_ADDR
, REG_MII_DATA0
+ 1, val32
>> 16);
199 robo_reg(page
, reg
, REG_MII_ADDR_WRITE
);
202 /* checks that attached switch is 5365 */
203 static bool robo_bcm5365(void)
205 /* set vlan access id to 15 and read it back */
207 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_TABLE_ACCESS
, val16
);
209 /* 5365 will refuse this as it does not have this reg */
210 return robo_read16(ROBO_VLAN_PAGE
, ROBO_VLAN_TABLE_ACCESS
) != val16
;
213 static bool robo_gmii(void)
215 if (mdio_read(0, ROBO_MII_STAT
) & 0x0100)
216 return ((mdio_read(0, 0x0f) & 0xf000) != 0);
220 static int robo_switch_enable(void)
222 unsigned int i
, last_port
;
224 #ifdef CONFIG_BCM47XX
228 val
= robo_read16(ROBO_CTRL_PAGE
, ROBO_SWITCH_MODE
);
229 if (!(val
& (1 << 1))) {
232 /* With forwarding */
234 robo_write16(ROBO_CTRL_PAGE
, ROBO_SWITCH_MODE
, val
);
235 val
= robo_read16(ROBO_CTRL_PAGE
, ROBO_SWITCH_MODE
);
236 if (!(val
& (1 << 1))) {
237 printk(KERN_ERR PFX
"Failed to enable switch\n");
241 /* No spanning tree for unmanaged mode */
242 last_port
= (robo
.devid
== ROBO_DEVICE_ID_5398
) ?
243 ROBO_PORT7_CTRL
: ROBO_PORT4_CTRL
;
244 for (i
= ROBO_PORT0_CTRL
; i
<= last_port
; i
++)
245 robo_write16(ROBO_CTRL_PAGE
, i
, 0);
247 /* No spanning tree on IMP port too */
248 robo_write16(ROBO_CTRL_PAGE
, ROBO_IM_PORT_CTRL
, 0);
251 #ifdef CONFIG_BCM47XX
252 /* WAN port LED, except for Netgear WGT634U */
253 if (bcm47xx_nvram_getenv("nvram_type", buf
, sizeof(buf
)) >= 0) {
254 if (strcmp(buf
, "cfe") != 0)
255 robo_write16(ROBO_CTRL_PAGE
, 0x16, 0x1F);
261 static void robo_switch_reset(void)
263 if ((robo
.devid
== ROBO_DEVICE_ID_5395
) ||
264 (robo
.devid
== ROBO_DEVICE_ID_5397
) ||
265 (robo
.devid
== ROBO_DEVICE_ID_5398
)) {
266 /* Trigger a software reset. */
267 robo_write16(ROBO_CTRL_PAGE
, 0x79, 0x83);
269 robo_write16(ROBO_CTRL_PAGE
, 0x79, 0);
273 #ifdef CONFIG_BCM47XX
274 static int get_gpio_pin(const char *name
)
280 for (i
= 0; i
< 16; i
++) {
281 err
= snprintf(nvram_var
, sizeof(nvram_var
), "gpio%i", i
);
284 err
= bcm47xx_nvram_getenv(nvram_var
, buf
, sizeof(buf
));
287 if (!strcmp(name
, buf
))
294 static int robo_probe(char *devname
)
299 struct mii_ioctl_data
*mii
;
301 printk(KERN_INFO PFX
"Probing device '%s'\n", devname
);
302 strcpy(robo
.ifr
.ifr_name
, devname
);
304 if ((robo
.dev
= dev_get_by_name(&init_net
, devname
)) == NULL
) {
305 printk(KERN_ERR PFX
"No such device\n");
309 if (!robo
.dev
->netdev_ops
|| !robo
.dev
->netdev_ops
->ndo_do_ioctl
) {
310 printk(KERN_ERR PFX
"ndo_do_ioctl not implemented in ethernet driver\n");
315 robo
.device
= devname
;
317 /* try access using MII ioctls - get phy address */
318 err
= do_ioctl(SIOCGMIIPHY
);
320 printk(KERN_ERR PFX
"error (%i) while accessing MII phy registers with ioctls\n", err
);
324 /* got phy address check for robo address */
325 mii
= if_mii(&robo
.ifr
);
326 if ((mii
->phy_id
!= ROBO_PHY_ADDR
) &&
327 (mii
->phy_id
!= ROBO_PHY_ADDR_BCM63XX
) &&
328 (mii
->phy_id
!= ROBO_PHY_ADDR_TG3
)) {
329 printk(KERN_ERR PFX
"Invalid phy address (%d)\n", mii
->phy_id
);
334 #ifdef CONFIG_BCM47XX
335 robo
.gpio_lanports_enable
= get_gpio_pin("lanports_enable");
336 if (robo
.gpio_lanports_enable
>= 0) {
337 err
= gpio_request(robo
.gpio_lanports_enable
, "lanports_enable");
339 printk(KERN_ERR PFX
"error (%i) requesting lanports_enable gpio (%i)\n",
340 err
, robo
.gpio_lanports_enable
);
343 gpio_direction_output(robo
.gpio_lanports_enable
, 1);
347 robo
.gpio_robo_reset
= get_gpio_pin("robo_reset");
348 if (robo
.gpio_robo_reset
>= 0) {
349 err
= gpio_request(robo
.gpio_robo_reset
, "robo_reset");
351 printk(KERN_ERR PFX
"error (%i) requesting robo_reset gpio (%i)\n",
352 err
, robo
.gpio_robo_reset
);
355 gpio_set_value(robo
.gpio_robo_reset
, 0);
356 gpio_direction_output(robo
.gpio_robo_reset
, 1);
357 gpio_set_value(robo
.gpio_robo_reset
, 0);
360 gpio_set_value(robo
.gpio_robo_reset
, 1);
363 // TODO: reset the internal robo switch
367 phyid
= mdio_read(ROBO_PHY_ADDR
, 0x2) |
368 (mdio_read(ROBO_PHY_ADDR
, 0x3) << 16);
370 if (phyid
== 0xffffffff || phyid
== 0x55210022) {
371 printk(KERN_ERR PFX
"No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid
);
373 goto err_gpio_lanports
;
376 /* Get the device ID */
377 for (i
= 0; i
< 10; i
++) {
378 robo
.devid
= robo_read16(ROBO_MGMT_PAGE
, ROBO_DEVICE_ID
);
384 robo
.devid
= ROBO_DEVICE_ID_5325
; /* Fake it */
385 if (robo
.devid
== ROBO_DEVICE_ID_5325
)
386 robo
.is_5365
= robo_bcm5365();
388 robo
.is_5365
= false;
390 robo
.gmii
= robo_gmii();
391 if (robo
.devid
== ROBO_DEVICE_ID_5325
) {
392 for (i
= 0; i
< 5; i
++)
395 for (i
= 0; i
< 8; i
++)
398 robo
.port
[i
] = ROBO_IM_PORT_CTRL
;
401 err
= robo_switch_enable();
403 goto err_gpio_lanports
;
405 printk(KERN_INFO PFX
"found a 5%s%x!%s at %s\n", robo
.devid
& 0xff00 ? "" : "3", robo
.devid
,
406 robo
.is_5365
? " It's a BCM5365." : "", devname
);
411 if (robo
.gpio_lanports_enable
>= 0)
412 gpio_free(robo
.gpio_lanports_enable
);
414 if (robo
.gpio_robo_reset
>= 0)
415 gpio_free(robo
.gpio_robo_reset
);
423 static int handle_vlan_port_read_old(switch_driver
*d
, char *buf
, int nr
)
429 val16
= (nr
) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
432 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_TABLE_ACCESS_5365
, val16
);
434 val16
= robo_read16(ROBO_VLAN_PAGE
, ROBO_VLAN_READ
);
435 if ((val16
& (1 << 14)) /* valid */) {
436 for (j
= 0; j
< d
->ports
; j
++) {
437 if (val16
& (1 << j
)) {
438 len
+= sprintf(buf
+ len
, "%d", j
);
439 if (val16
& (1 << (j
+ 7))) {
444 if (robo_read16(ROBO_VLAN_PAGE
, ROBO_VLAN_PORT0_DEF_TAG
+ (j
<< 1)) == nr
)
450 len
+= sprintf(buf
+ len
, "\n");
454 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_TABLE_ACCESS
, val16
);
456 val32
= robo_read32(ROBO_VLAN_PAGE
, ROBO_VLAN_READ
);
457 if ((val32
& (1 << 20)) /* valid */) {
458 for (j
= 0; j
< d
->ports
; j
++) {
459 if (val32
& (1 << j
)) {
460 len
+= sprintf(buf
+ len
, "%d", j
);
461 if (val32
& (1 << (j
+ d
->ports
))) {
466 if (robo_read16(ROBO_VLAN_PAGE
, ROBO_VLAN_PORT0_DEF_TAG
+ (j
<< 1)) == nr
)
472 len
+= sprintf(buf
+ len
, "\n");
481 static int handle_vlan_port_read_new(switch_driver
*d
, char *buf
, int nr
)
483 __u8 vtbl_entry
, vtbl_index
, vtbl_access
;
488 if ((robo
.devid
== ROBO_DEVICE_ID_5395
) ||
489 (robo
.devid
== ROBO_DEVICE_ID_53115
)) {
490 vtbl_access
= ROBO_VTBL_ACCESS_5395
;
491 vtbl_index
= ROBO_VTBL_INDX_5395
;
492 vtbl_entry
= ROBO_VTBL_ENTRY_5395
;
494 vtbl_access
= ROBO_VTBL_ACCESS
;
495 vtbl_index
= ROBO_VTBL_INDX
;
496 vtbl_entry
= ROBO_VTBL_ENTRY
;
499 robo_write16(ROBO_ARLIO_PAGE
, vtbl_index
, nr
);
500 robo_write16(ROBO_ARLIO_PAGE
, vtbl_access
, (1 << 7) | (1 << 0));
501 val32
= robo_read32(ROBO_ARLIO_PAGE
, vtbl_entry
);
502 for (j
= 0; j
< d
->ports
; j
++) {
503 if (val32
& (1 << j
)) {
504 len
+= sprintf(buf
+ len
, "%d", j
);
505 if (val32
& (1 << (j
+ d
->ports
))) {
510 if (robo_read16(ROBO_VLAN_PAGE
, ROBO_VLAN_PORT0_DEF_TAG
+ (j
<< 1)) == nr
)
516 len
+= sprintf(buf
+ len
, "\n");
521 static int handle_vlan_port_read(void *driver
, char *buf
, int nr
)
523 switch_driver
*d
= (switch_driver
*) driver
;
525 if (robo
.devid
!= ROBO_DEVICE_ID_5325
)
526 return handle_vlan_port_read_new(d
, buf
, nr
);
528 return handle_vlan_port_read_old(d
, buf
, nr
);
531 static void handle_vlan_port_write_old(switch_driver
*d
, switch_vlan_config
*c
, int nr
)
535 __u32 untag
= ((c
->untag
& ~(1 << d
->cpuport
)) << d
->ports
);
537 /* write config now */
538 val16
= (nr
) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
540 robo_write32(ROBO_VLAN_PAGE
, ROBO_VLAN_WRITE_5365
,
541 (1 << 14) /* valid */ | (untag
<< 1 ) | c
->port
);
542 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_TABLE_ACCESS_5365
, val16
);
544 if (robo
.corerev
< 3)
545 val32
= (1 << 20) | ((nr
>> 4) << 12) | untag
| c
->port
;
547 val32
= (1 << 24) | (nr
<< 12) | untag
| c
->port
;
548 robo_write32(ROBO_VLAN_PAGE
, ROBO_VLAN_WRITE
, val32
);
549 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_TABLE_ACCESS
, val16
);
553 static void handle_vlan_port_write_new(switch_driver
*d
, switch_vlan_config
*c
, int nr
)
555 __u8 vtbl_entry
, vtbl_index
, vtbl_access
;
556 __u32 untag
= ((c
->untag
& ~(1 << d
->cpuport
)) << d
->ports
);
558 /* write config now */
559 if ((robo
.devid
== ROBO_DEVICE_ID_5395
) ||
560 (robo
.devid
== ROBO_DEVICE_ID_53115
)) {
561 vtbl_access
= ROBO_VTBL_ACCESS_5395
;
562 vtbl_index
= ROBO_VTBL_INDX_5395
;
563 vtbl_entry
= ROBO_VTBL_ENTRY_5395
;
565 vtbl_access
= ROBO_VTBL_ACCESS
;
566 vtbl_index
= ROBO_VTBL_INDX
;
567 vtbl_entry
= ROBO_VTBL_ENTRY
;
570 robo_write32(ROBO_ARLIO_PAGE
, vtbl_entry
, untag
| c
->port
);
571 robo_write16(ROBO_ARLIO_PAGE
, vtbl_index
, nr
);
572 robo_write16(ROBO_ARLIO_PAGE
, vtbl_access
, 1 << 7);
575 static int handle_vlan_port_write(void *driver
, char *buf
, int nr
)
577 switch_driver
*d
= (switch_driver
*)driver
;
578 switch_vlan_config
*c
= switch_parse_vlan(d
, buf
);
584 for (j
= 0; j
< d
->ports
; j
++) {
585 if ((c
->untag
| c
->pvid
) & (1 << j
)) {
586 /* change default vlan tag */
587 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_PORT0_DEF_TAG
+ (j
<< 1), nr
);
591 if (robo
.devid
!= ROBO_DEVICE_ID_5325
)
592 handle_vlan_port_write_new(d
, c
, nr
);
594 handle_vlan_port_write_old(d
, c
, nr
);
600 #define set_switch(state) \
601 robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, (robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & ~2) | (state ? 2 : 0));
603 static int handle_enable_read(void *driver
, char *buf
, int nr
)
605 return sprintf(buf
, "%d\n", (((robo_read16(ROBO_CTRL_PAGE
, ROBO_SWITCH_MODE
) & 2) == 2) ? 1 : 0));
608 static int handle_enable_write(void *driver
, char *buf
, int nr
)
610 set_switch(buf
[0] == '1');
615 static int handle_port_enable_read(void *driver
, char *buf
, int nr
)
617 return sprintf(buf
, "%d\n", ((robo_read16(ROBO_CTRL_PAGE
, robo
.port
[nr
]) & 3) == 3 ? 0 : 1));
620 static int handle_port_enable_write(void *driver
, char *buf
, int nr
)
625 val16
= 3; /* disabled */
626 else if (buf
[0] == '1')
627 val16
= 0; /* enabled */
631 robo_write16(ROBO_CTRL_PAGE
, robo
.port
[nr
],
632 (robo_read16(ROBO_CTRL_PAGE
, robo
.port
[nr
]) & ~3) | val16
);
637 static int handle_port_media_read(void *driver
, char *buf
, int nr
)
639 u16 bmcr
= mdio_read(robo
.port
[nr
], MII_BMCR
);
642 if (bmcr
& BMCR_ANENABLE
)
643 media
= SWITCH_MEDIA_AUTO
;
645 if (bmcr
& BMCR_SPEED1000
)
646 media
= SWITCH_MEDIA_1000
;
647 else if (bmcr
& BMCR_SPEED100
)
648 media
= SWITCH_MEDIA_100
;
652 if (bmcr
& BMCR_FULLDPLX
)
653 media
|= SWITCH_MEDIA_FD
;
656 len
= switch_print_media(buf
, media
);
657 return len
+ sprintf(buf
+ len
, "\n");
660 static int handle_port_media_write(void *driver
, char *buf
, int nr
)
662 int media
= switch_parse_media(buf
);
665 if (media
& SWITCH_MEDIA_AUTO
)
666 bmcr
= BMCR_ANENABLE
| BMCR_ANRESTART
;
668 if (media
& SWITCH_MEDIA_1000
) {
671 bmcr
= BMCR_SPEED1000
;
673 else if (media
& SWITCH_MEDIA_100
)
674 bmcr
= BMCR_SPEED100
;
678 if (media
& SWITCH_MEDIA_FD
)
679 bmcr
|= BMCR_FULLDPLX
;
682 bmcr_mask
= ~(BMCR_SPEED1000
| BMCR_SPEED100
| BMCR_FULLDPLX
| BMCR_ANENABLE
| BMCR_ANRESTART
);
683 mdio_write(robo
.port
[nr
], MII_BMCR
,
684 (mdio_read(robo
.port
[nr
], MII_BMCR
) & bmcr_mask
) | bmcr
);
689 static int handle_enable_vlan_read(void *driver
, char *buf
, int nr
)
691 return sprintf(buf
, "%d\n", (((robo_read16(ROBO_VLAN_PAGE
, ROBO_VLAN_CTRL0
) & (1 << 7)) == (1 << 7)) ? 1 : 0));
694 static int handle_enable_vlan_write(void *driver
, char *buf
, int nr
)
697 int disable
= ((buf
[0] != '1') ? 1 : 0);
699 val16
= robo_read16(ROBO_VLAN_PAGE
, ROBO_VLAN_CTRL0
);
700 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_CTRL0
, disable
? 0 :
701 val16
| (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
703 val16
= robo_read16(ROBO_VLAN_PAGE
, ROBO_VLAN_CTRL1
);
704 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_CTRL1
, disable
? 0 :
705 val16
| (robo
.devid
== ROBO_DEVICE_ID_5325
? (1 << 1) :
706 0) | (1 << 2) | (1 << 3)); /* RSV multicast */
708 if (robo
.devid
!= ROBO_DEVICE_ID_5325
)
711 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_CTRL4
, disable
? 0 :
712 (1 << 6) /* drop invalid VID frames */);
713 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_CTRL5
, disable
? 0 :
714 (1 << 3) /* drop miss V table frames */);
719 static void handle_reset_old(switch_driver
*d
, char *buf
, int nr
)
725 for (j
= 0; j
<= ((robo
.is_5365
) ? VLAN_ID_MAX_5365
: VLAN_ID_MAX
); j
++) {
726 /* write config now */
727 val16
= (j
) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
729 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_WRITE_5365
, 0);
731 robo_write32(ROBO_VLAN_PAGE
, ROBO_VLAN_WRITE
, 0);
732 robo_write16(ROBO_VLAN_PAGE
, robo
.is_5365
? ROBO_VLAN_TABLE_ACCESS_5365
:
733 ROBO_VLAN_TABLE_ACCESS
,
738 static void handle_reset_new(switch_driver
*d
, char *buf
, int nr
)
741 __u8 vtbl_entry
, vtbl_index
, vtbl_access
;
743 if ((robo
.devid
== ROBO_DEVICE_ID_5395
) ||
744 (robo
.devid
== ROBO_DEVICE_ID_53115
)) {
745 vtbl_access
= ROBO_VTBL_ACCESS_5395
;
746 vtbl_index
= ROBO_VTBL_INDX_5395
;
747 vtbl_entry
= ROBO_VTBL_ENTRY_5395
;
749 vtbl_access
= ROBO_VTBL_ACCESS
;
750 vtbl_index
= ROBO_VTBL_INDX
;
751 vtbl_entry
= ROBO_VTBL_ENTRY
;
754 for (j
= 0; j
<= VLAN_ID_MAX
; j
++) {
755 /* write config now */
756 robo_write32(ROBO_ARLIO_PAGE
, vtbl_entry
, 0);
757 robo_write16(ROBO_ARLIO_PAGE
, vtbl_index
, j
);
758 robo_write16(ROBO_ARLIO_PAGE
, vtbl_access
, 1 << 7);
762 static int handle_reset(void *driver
, char *buf
, int nr
)
765 switch_driver
*d
= (switch_driver
*) driver
;
767 /* disable switching */
770 if (robo
.devid
!= ROBO_DEVICE_ID_5325
)
771 handle_reset_new(d
, buf
, nr
);
773 handle_reset_old(d
, buf
, nr
);
775 /* reset ports to a known good state */
776 for (j
= 0; j
< d
->ports
; j
++) {
777 robo_write16(ROBO_CTRL_PAGE
, robo
.port
[j
], 0x0000);
778 robo_write16(ROBO_VLAN_PAGE
, ROBO_VLAN_PORT0_DEF_TAG
+ (j
<< 1), 0);
781 /* enable switching */
785 handle_enable_vlan_write(driver
, "1", 0);
790 static int __init
robo_init(void)
795 device
= strdup("ethX");
796 for (device
[3] = '0'; (device
[3] <= '3') && notfound
; device
[3]++) {
797 if (! switch_device_registered (device
))
798 notfound
= robo_probe(device
);
806 static const switch_config cfg
[] = {
809 .read
= handle_enable_read
,
810 .write
= handle_enable_write
812 .name
= "enable_vlan",
813 .read
= handle_enable_vlan_read
,
814 .write
= handle_enable_vlan_write
818 .write
= handle_reset
821 static const switch_config port
[] = {
824 .read
= handle_port_enable_read
,
825 .write
= handle_port_enable_write
828 .read
= handle_port_media_read
,
829 .write
= handle_port_media_write
832 static const switch_config vlan
[] = {
835 .read
= handle_vlan_port_read
,
836 .write
= handle_vlan_port_write
839 switch_driver driver
= {
841 .version
= DRIVER_VERSION
,
846 .driver_handlers
= cfg
,
847 .port_handlers
= port
,
848 .vlan_handlers
= vlan
,
850 if (robo
.devid
!= ROBO_DEVICE_ID_5325
) {
855 return switch_register_driver(&driver
);
859 static void __exit
robo_exit(void)
861 switch_unregister_driver(DRIVER_NAME
);
864 if (robo
.gpio_robo_reset
>= 0)
865 gpio_free(robo
.gpio_robo_reset
);
866 if (robo
.gpio_lanports_enable
>= 0)
867 gpio_free(robo
.gpio_lanports_enable
);
872 MODULE_AUTHOR("Felix Fietkau <openwrt@nbd.name>");
873 MODULE_LICENSE("GPL");
875 module_init(robo_init
);
876 module_exit(robo_exit
);