+++ /dev/null
-/*
- * Broadcom BCM5325E/536x switch configuration module
- *
- * Copyright (C) 2005 Felix Fietkau <nbd@nbd.name>
- * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
- * Copyright (C) 2013 Hauke Mehrtens <hauke@hauke-m.de>
- * Based on 'robocfg' by Oleg I. Vdovikin
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/if.h>
-#include <linux/if_arp.h>
-#include <linux/sockios.h>
-#include <linux/ethtool.h>
-#include <linux/mii.h>
-#include <linux/delay.h>
-#include <linux/gpio.h>
-#include <asm/uaccess.h>
-
-#include "switch-core.h"
-#include "etc53xx.h"
-
-#ifdef CONFIG_BCM47XX
-#include <bcm47xx_nvram.h>
-#endif
-
-#define DRIVER_NAME "bcm53xx"
-#define DRIVER_VERSION "0.03"
-#define PFX "roboswitch: "
-
-#define ROBO_PHY_ADDR 0x1E /* robo switch phy address */
-#define ROBO_PHY_ADDR_TG3 0x01 /* Tigon3 PHY address */
-#define ROBO_PHY_ADDR_BCM63XX 0x00 /* BCM63XX PHY address */
-
-/* MII registers */
-#define REG_MII_PAGE 0x10 /* MII Page register */
-#define REG_MII_ADDR 0x11 /* MII Address register */
-#define REG_MII_DATA0 0x18 /* MII Data register 0 */
-
-#define REG_MII_PAGE_ENABLE 1
-#define REG_MII_ADDR_WRITE 1
-#define REG_MII_ADDR_READ 2
-
-/* Robo device ID register (in ROBO_MGMT_PAGE) */
-#define ROBO_DEVICE_ID 0x30
-#define ROBO_DEVICE_ID_5325 0x25 /* Faked */
-#define ROBO_DEVICE_ID_5395 0x95
-#define ROBO_DEVICE_ID_5397 0x97
-#define ROBO_DEVICE_ID_5398 0x98
-#define ROBO_DEVICE_ID_53115 0x3115
-#define ROBO_DEVICE_ID_53125 0x3125
-
-/* Private et.o ioctls */
-#define SIOCGETCPHYRD (SIOCDEVPRIVATE + 9)
-#define SIOCSETCPHYWR (SIOCDEVPRIVATE + 10)
-
-/* Data structure for a Roboswitch device. */
-struct robo_switch {
- char *device; /* The device name string (ethX) */
- u16 devid; /* ROBO_DEVICE_ID_53xx */
- bool is_5365;
- bool gmii; /* gigabit mii */
- u8 corerev;
- int gpio_robo_reset;
- int gpio_lanports_enable;
- struct ifreq ifr;
- struct net_device *dev;
- unsigned char port[9];
-};
-
-/* Currently we can only have one device in the system. */
-static struct robo_switch robo;
-
-
-static int do_ioctl(int cmd)
-{
- mm_segment_t old_fs = get_fs();
- int ret;
-
- set_fs(KERNEL_DS);
- ret = robo.dev->netdev_ops->ndo_do_ioctl(robo.dev, &robo.ifr, cmd);
- set_fs(old_fs);
-
- return ret;
-}
-
-static u16 mdio_read(__u16 phy_id, __u8 reg)
-{
- struct mii_ioctl_data *mii = if_mii(&robo.ifr);
- int err;
-
- mii->phy_id = phy_id;
- mii->reg_num = reg;
-
- err = do_ioctl(SIOCGMIIREG);
- if (err < 0) {
- printk(KERN_ERR PFX "failed to read mdio reg %i with err %i.\n", reg, err);
-
- return 0xffff;
- }
-
- return mii->val_out;
-}
-
-static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
-{
- struct mii_ioctl_data *mii = if_mii(&robo.ifr);
- int err;
-
- mii->phy_id = phy_id;
- mii->reg_num = reg;
- mii->val_in = val;
-
- err = do_ioctl(SIOCSMIIREG);
- if (err < 0) {
- printk(KERN_ERR PFX "failed to write mdio reg: %i with err %i.\n", reg, err);
- return;
- }
-}
-
-static int robo_reg(__u8 page, __u8 reg, __u8 op)
-{
- int i = 3;
-
- /* set page number */
- mdio_write(ROBO_PHY_ADDR, REG_MII_PAGE,
- (page << 8) | REG_MII_PAGE_ENABLE);
-
- /* set register address */
- mdio_write(ROBO_PHY_ADDR, REG_MII_ADDR,
- (reg << 8) | op);
-
- /* check if operation completed */
- while (i--) {
- if ((mdio_read(ROBO_PHY_ADDR, REG_MII_ADDR) & 3) == 0)
- return 0;
- }
-
- printk(KERN_ERR PFX "timeout in robo_reg on page %i and reg %i with op %i.\n", page, reg, op);
-
- return 1;
-}
-
-/*
-static void robo_read(__u8 page, __u8 reg, __u16 *val, int count)
-{
- int i;
-
- robo_reg(page, reg, REG_MII_ADDR_READ);
-
- for (i = 0; i < count; i++)
- val[i] = mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + i);
-}
-*/
-
-static __u16 robo_read16(__u8 page, __u8 reg)
-{
- robo_reg(page, reg, REG_MII_ADDR_READ);
-
- return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0);
-}
-
-static __u32 robo_read32(__u8 page, __u8 reg)
-{
- robo_reg(page, reg, REG_MII_ADDR_READ);
-
- return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0) |
- (mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
-}
-
-static void robo_write16(__u8 page, __u8 reg, __u16 val16)
-{
- /* write data */
- mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val16);
-
- robo_reg(page, reg, REG_MII_ADDR_WRITE);
-}
-
-static void robo_write32(__u8 page, __u8 reg, __u32 val32)
-{
- /* write data */
- mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 0xFFFF);
- mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16);
-
- robo_reg(page, reg, REG_MII_ADDR_WRITE);
-}
-
-/* checks that attached switch is 5365 */
-static bool robo_bcm5365(void)
-{
- /* set vlan access id to 15 and read it back */
- __u16 val16 = 15;
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
-
- /* 5365 will refuse this as it does not have this reg */
- return robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS) != val16;
-}
-
-static bool robo_gmii(void)
-{
- if (mdio_read(0, ROBO_MII_STAT) & 0x0100)
- return ((mdio_read(0, 0x0f) & 0xf000) != 0);
- return false;
-}
-
-static int robo_switch_enable(void)
-{
- unsigned int i, last_port;
- u16 val;
-#ifdef CONFIG_BCM47XX
- char buf[20];
-#endif
-
- val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
- if (!(val & (1 << 1))) {
- /* Unmanaged mode */
- val &= ~(1 << 0);
- /* With forwarding */
- val |= (1 << 1);
- robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, val);
- val = robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE);
- if (!(val & (1 << 1))) {
- printk(KERN_ERR PFX "Failed to enable switch\n");
- return -EBUSY;
- }
-
- /* No spanning tree for unmanaged mode */
- last_port = (robo.devid == ROBO_DEVICE_ID_5398) ?
- ROBO_PORT7_CTRL : ROBO_PORT4_CTRL;
- for (i = ROBO_PORT0_CTRL; i <= last_port; i++)
- robo_write16(ROBO_CTRL_PAGE, i, 0);
-
- /* No spanning tree on IMP port too */
- robo_write16(ROBO_CTRL_PAGE, ROBO_IM_PORT_CTRL, 0);
- }
-
- if (robo.devid == ROBO_DEVICE_ID_53125) {
- /* Make IM port status link by default */
- val = robo_read16(ROBO_CTRL_PAGE, ROBO_PORT_OVERRIDE_CTRL) | 0xb1;
- robo_write16(ROBO_CTRL_PAGE, ROBO_PORT_OVERRIDE_CTRL, val);
- // TODO: init EEE feature
- }
-
-#ifdef CONFIG_BCM47XX
- /* WAN port LED, except for Netgear WGT634U */
- if (bcm47xx_nvram_getenv("nvram_type", buf, sizeof(buf)) >= 0) {
- if (strcmp(buf, "cfe") != 0)
- robo_write16(ROBO_CTRL_PAGE, 0x16, 0x1F);
- }
-#endif
- return 0;
-}
-
-static void robo_switch_reset(void)
-{
- if ((robo.devid == ROBO_DEVICE_ID_5395) ||
- (robo.devid == ROBO_DEVICE_ID_5397) ||
- (robo.devid == ROBO_DEVICE_ID_5398)) {
- /* Trigger a software reset. */
- robo_write16(ROBO_CTRL_PAGE, 0x79, 0x83);
- mdelay(500);
- robo_write16(ROBO_CTRL_PAGE, 0x79, 0);
- }
-}
-
-#ifdef CONFIG_BCM47XX
-static int get_gpio_pin(const char *name)
-{
- int i, err;
- char nvram_var[10];
- char buf[30];
-
- for (i = 0; i < 16; i++) {
- err = snprintf(nvram_var, sizeof(nvram_var), "gpio%i", i);
- if (err <= 0)
- continue;
- err = bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf));
- if (err <= 0)
- continue;
- if (!strcmp(name, buf))
- return i;
- }
- return -1;
-}
-#endif
-
-static int robo_probe(char *devname)
-{
- __u32 phyid;
- unsigned int i;
- int err = -1;
- struct mii_ioctl_data *mii;
-
- printk(KERN_INFO PFX "Probing device '%s'\n", devname);
- strcpy(robo.ifr.ifr_name, devname);
-
- if ((robo.dev = dev_get_by_name(&init_net, devname)) == NULL) {
- printk(KERN_ERR PFX "No such device\n");
- err = -ENODEV;
- goto err_done;
- }
- if (!robo.dev->netdev_ops || !robo.dev->netdev_ops->ndo_do_ioctl) {
- printk(KERN_ERR PFX "ndo_do_ioctl not implemented in ethernet driver\n");
- err = -ENXIO;
- goto err_put;
- }
-
- robo.device = devname;
-
- /* try access using MII ioctls - get phy address */
- err = do_ioctl(SIOCGMIIPHY);
- if (err < 0) {
- printk(KERN_ERR PFX "error (%i) while accessing MII phy registers with ioctls\n", err);
- goto err_put;
- }
-
- /* got phy address check for robo address */
- mii = if_mii(&robo.ifr);
- if ((mii->phy_id != ROBO_PHY_ADDR) &&
- (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) &&
- (mii->phy_id != ROBO_PHY_ADDR_TG3)) {
- printk(KERN_ERR PFX "Invalid phy address (%d)\n", mii->phy_id);
- err = -ENODEV;
- goto err_put;
- }
-
-#ifdef CONFIG_BCM47XX
- robo.gpio_lanports_enable = get_gpio_pin("lanports_enable");
- if (robo.gpio_lanports_enable >= 0) {
- err = gpio_request(robo.gpio_lanports_enable, "lanports_enable");
- if (err) {
- printk(KERN_ERR PFX "error (%i) requesting lanports_enable gpio (%i)\n",
- err, robo.gpio_lanports_enable);
- goto err_put;
- }
- gpio_direction_output(robo.gpio_lanports_enable, 1);
- mdelay(5);
- }
-
- robo.gpio_robo_reset = get_gpio_pin("robo_reset");
- if (robo.gpio_robo_reset >= 0) {
- err = gpio_request(robo.gpio_robo_reset, "robo_reset");
- if (err) {
- printk(KERN_ERR PFX "error (%i) requesting robo_reset gpio (%i)\n",
- err, robo.gpio_robo_reset);
- goto err_gpio_robo;
- }
- gpio_set_value(robo.gpio_robo_reset, 0);
- gpio_direction_output(robo.gpio_robo_reset, 1);
- gpio_set_value(robo.gpio_robo_reset, 0);
- mdelay(50);
-
- gpio_set_value(robo.gpio_robo_reset, 1);
- mdelay(20);
- } else {
- // TODO: reset the internal robo switch
- }
-#endif
-
- phyid = mdio_read(ROBO_PHY_ADDR, 0x2) |
- (mdio_read(ROBO_PHY_ADDR, 0x3) << 16);
-
- if (phyid == 0xffffffff || phyid == 0x55210022) {
- printk(KERN_ERR PFX "No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
- err = -ENODEV;
- goto err_gpio_lanports;
- }
-
- /* Get the device ID */
- for (i = 0; i < 10; i++) {
- robo.devid = robo_read16(ROBO_MGMT_PAGE, ROBO_DEVICE_ID);
- if (robo.devid)
- break;
- udelay(10);
- }
- if (!robo.devid)
- robo.devid = ROBO_DEVICE_ID_5325; /* Fake it */
- if (robo.devid == ROBO_DEVICE_ID_5325)
- robo.is_5365 = robo_bcm5365();
- else
- robo.is_5365 = false;
-
- robo.gmii = robo_gmii();
- if (robo.devid == ROBO_DEVICE_ID_5325) {
- for (i = 0; i < 5; i++)
- robo.port[i] = i;
- } else {
- for (i = 0; i < 8; i++)
- robo.port[i] = i;
- }
- robo.port[i] = ROBO_IM_PORT_CTRL;
-
- robo_switch_reset();
- err = robo_switch_enable();
- if (err)
- goto err_gpio_lanports;
-
- printk(KERN_INFO PFX "found a 5%s%x!%s at %s\n", robo.devid & 0xff00 ? "" : "3", robo.devid,
- robo.is_5365 ? " It's a BCM5365." : "", devname);
-
- return 0;
-
-err_gpio_lanports:
- if (robo.gpio_lanports_enable >= 0)
- gpio_free(robo.gpio_lanports_enable);
-err_gpio_robo:
- if (robo.gpio_robo_reset >= 0)
- gpio_free(robo.gpio_robo_reset);
-err_put:
- dev_put(robo.dev);
- robo.dev = NULL;
-err_done:
- return err;
-}
-
-static int handle_vlan_port_read_old(switch_driver *d, char *buf, int nr)
-{
- __u16 val16;
- int len = 0;
- int j;
-
- val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */;
-
- if (robo.is_5365) {
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5365, val16);
- /* actual read */
- val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
- if ((val16 & (1 << 14)) /* valid */) {
- for (j = 0; j < d->ports; j++) {
- if (val16 & (1 << j)) {
- len += sprintf(buf + len, "%d", j);
- if (val16 & (1 << (j + 7))) {
- if (j == d->cpuport)
- buf[len++] = 'u';
- } else {
- buf[len++] = 't';
- if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
- buf[len++] = '*';
- }
- buf[len++] = '\t';
- }
- }
- len += sprintf(buf + len, "\n");
- }
- } else {
- u32 val32;
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
- /* actual read */
- val32 = robo_read32(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
- if ((val32 & (1 << 20)) /* valid */) {
- for (j = 0; j < d->ports; j++) {
- if (val32 & (1 << j)) {
- len += sprintf(buf + len, "%d", j);
- if (val32 & (1 << (j + d->ports))) {
- if (j == d->cpuport)
- buf[len++] = 'u';
- } else {
- buf[len++] = 't';
- if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
- buf[len++] = '*';
- }
- buf[len++] = '\t';
- }
- }
- len += sprintf(buf + len, "\n");
- }
- }
-
- buf[len] = '\0';
-
- return len;
-}
-
-static int handle_vlan_port_read_new(switch_driver *d, char *buf, int nr)
-{
- __u8 vtbl_entry, vtbl_index, vtbl_access;
- __u32 val32;
- int len = 0;
- int j;
-
- if ((robo.devid == ROBO_DEVICE_ID_5395) ||
- (robo.devid == ROBO_DEVICE_ID_53115) ||
- (robo.devid == ROBO_DEVICE_ID_53125)) {
- vtbl_access = ROBO_VTBL_ACCESS_5395;
- vtbl_index = ROBO_VTBL_INDX_5395;
- vtbl_entry = ROBO_VTBL_ENTRY_5395;
- } else {
- vtbl_access = ROBO_VTBL_ACCESS;
- vtbl_index = ROBO_VTBL_INDX;
- vtbl_entry = ROBO_VTBL_ENTRY;
- }
-
- robo_write16(ROBO_ARLIO_PAGE, vtbl_index, nr);
- robo_write16(ROBO_ARLIO_PAGE, vtbl_access, (1 << 7) | (1 << 0));
- val32 = robo_read32(ROBO_ARLIO_PAGE, vtbl_entry);
- for (j = 0; j < d->ports; j++) {
- if (val32 & (1 << j)) {
- len += sprintf(buf + len, "%d", j);
- if (val32 & (1 << (j + d->ports))) {
- if (j == d->cpuport)
- buf[len++] = 'u';
- } else {
- buf[len++] = 't';
- if (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1)) == nr)
- buf[len++] = '*';
- }
- buf[len++] = '\t';
- }
- }
- len += sprintf(buf + len, "\n");
- buf[len] = '\0';
- return len;
-}
-
-static int handle_vlan_port_read(void *driver, char *buf, int nr)
-{
- switch_driver *d = (switch_driver *) driver;
-
- if (robo.devid != ROBO_DEVICE_ID_5325)
- return handle_vlan_port_read_new(d, buf, nr);
- else
- return handle_vlan_port_read_old(d, buf, nr);
-}
-
-static void handle_vlan_port_write_old(switch_driver *d, switch_vlan_config *c, int nr)
-{
- __u16 val16;
- __u32 val32;
- __u32 untag = ((c->untag & ~(1 << d->cpuport)) << d->ports);
-
- /* write config now */
- val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
- if (robo.is_5365) {
- robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5365,
- (1 << 14) /* valid */ | (untag << 1 ) | c->port);
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5365, val16);
- } else {
- if (robo.corerev < 3)
- val32 = (1 << 20) | ((nr >> 4) << 12) | untag | c->port;
- else
- val32 = (1 << 24) | (nr << 12) | untag | c->port;
- robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, val32);
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
- }
-}
-
-static void handle_vlan_port_write_new(switch_driver *d, switch_vlan_config *c, int nr)
-{
- __u8 vtbl_entry, vtbl_index, vtbl_access;
- __u32 untag = ((c->untag & ~(1 << d->cpuport)) << d->ports);
-
- /* write config now */
- if ((robo.devid == ROBO_DEVICE_ID_5395) ||
- (robo.devid == ROBO_DEVICE_ID_53115) ||
- (robo.devid == ROBO_DEVICE_ID_53125)) {
- vtbl_access = ROBO_VTBL_ACCESS_5395;
- vtbl_index = ROBO_VTBL_INDX_5395;
- vtbl_entry = ROBO_VTBL_ENTRY_5395;
- } else {
- vtbl_access = ROBO_VTBL_ACCESS;
- vtbl_index = ROBO_VTBL_INDX;
- vtbl_entry = ROBO_VTBL_ENTRY;
- }
-
- robo_write32(ROBO_ARLIO_PAGE, vtbl_entry, untag | c->port);
- robo_write16(ROBO_ARLIO_PAGE, vtbl_index, nr);
- robo_write16(ROBO_ARLIO_PAGE, vtbl_access, 1 << 7);
-}
-
-static int handle_vlan_port_write(void *driver, char *buf, int nr)
-{
- switch_driver *d = (switch_driver *)driver;
- switch_vlan_config *c = switch_parse_vlan(d, buf);
- int j;
-
- if (c == NULL)
- return -EINVAL;
-
- for (j = 0; j < d->ports; j++) {
- if ((c->untag | c->pvid) & (1 << j)) {
- /* change default vlan tag */
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), nr);
- }
- }
-
- if (robo.devid != ROBO_DEVICE_ID_5325)
- handle_vlan_port_write_new(d, c, nr);
- else
- handle_vlan_port_write_old(d, c, nr);
-
- kfree(c);
- return 0;
-}
-
-#define set_switch(state) \
- robo_write16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE, (robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & ~2) | (state ? 2 : 0));
-
-static int handle_enable_read(void *driver, char *buf, int nr)
-{
- return sprintf(buf, "%d\n", (((robo_read16(ROBO_CTRL_PAGE, ROBO_SWITCH_MODE) & 2) == 2) ? 1 : 0));
-}
-
-static int handle_enable_write(void *driver, char *buf, int nr)
-{
- set_switch(buf[0] == '1');
-
- return 0;
-}
-
-static int handle_port_enable_read(void *driver, char *buf, int nr)
-{
- return sprintf(buf, "%d\n", ((robo_read16(ROBO_CTRL_PAGE, robo.port[nr]) & 3) == 3 ? 0 : 1));
-}
-
-static int handle_port_enable_write(void *driver, char *buf, int nr)
-{
- u16 val16;
-
- if (buf[0] == '0')
- val16 = 3; /* disabled */
- else if (buf[0] == '1')
- val16 = 0; /* enabled */
- else
- return -EINVAL;
-
- robo_write16(ROBO_CTRL_PAGE, robo.port[nr],
- (robo_read16(ROBO_CTRL_PAGE, robo.port[nr]) & ~3) | val16);
-
- return 0;
-}
-
-static int handle_port_media_read(void *driver, char *buf, int nr)
-{
- u16 bmcr = mdio_read(robo.port[nr], MII_BMCR);
- int media, len;
-
- if (bmcr & BMCR_ANENABLE)
- media = SWITCH_MEDIA_AUTO;
- else {
- if (bmcr & BMCR_SPEED1000)
- media = SWITCH_MEDIA_1000;
- else if (bmcr & BMCR_SPEED100)
- media = SWITCH_MEDIA_100;
- else
- media = 0;
-
- if (bmcr & BMCR_FULLDPLX)
- media |= SWITCH_MEDIA_FD;
- }
-
- len = switch_print_media(buf, media);
- return len + sprintf(buf + len, "\n");
-}
-
-static int handle_port_media_write(void *driver, char *buf, int nr)
-{
- int media = switch_parse_media(buf);
- u16 bmcr, bmcr_mask;
-
- if (media & SWITCH_MEDIA_AUTO)
- bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
- else {
- if (media & SWITCH_MEDIA_1000) {
- if (!robo.gmii)
- return -EINVAL;
- bmcr = BMCR_SPEED1000;
- }
- else if (media & SWITCH_MEDIA_100)
- bmcr = BMCR_SPEED100;
- else
- bmcr = 0;
-
- if (media & SWITCH_MEDIA_FD)
- bmcr |= BMCR_FULLDPLX;
- }
-
- bmcr_mask = ~(BMCR_SPEED1000 | BMCR_SPEED100 | BMCR_FULLDPLX | BMCR_ANENABLE | BMCR_ANRESTART);
- mdio_write(robo.port[nr], MII_BMCR,
- (mdio_read(robo.port[nr], MII_BMCR) & bmcr_mask) | bmcr);
-
- return 0;
-}
-
-static int handle_enable_vlan_read(void *driver, char *buf, int nr)
-{
- return sprintf(buf, "%d\n", (((robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0) & (1 << 7)) == (1 << 7)) ? 1 : 0));
-}
-
-static int handle_enable_vlan_write(void *driver, char *buf, int nr)
-{
- __u16 val16;
- int disable = ((buf[0] != '1') ? 1 : 0);
-
- val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0);
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 :
- val16 | (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
-
- val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1);
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 :
- val16 | (robo.devid == ROBO_DEVICE_ID_5325 ? (1 << 1) :
- 0) | (1 << 2) | (1 << 3)); /* RSV multicast */
-
- if (robo.devid != ROBO_DEVICE_ID_5325)
- return 0;
-
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL4, disable ? 0 :
- (1 << 6) /* drop invalid VID frames */);
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL5, disable ? 0 :
- (1 << 3) /* drop miss V table frames */);
-
- return 0;
-}
-
-static void handle_reset_old(switch_driver *d, char *buf, int nr)
-{
- int j;
- __u16 val16;
-
- /* reset vlans */
- for (j = 0; j <= ((robo.is_5365) ? VLAN_ID_MAX_5365 : VLAN_ID_MAX); j++) {
- /* write config now */
- val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
- if (robo.is_5365)
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5365, 0);
- else
- robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0);
- robo_write16(ROBO_VLAN_PAGE, robo.is_5365 ? ROBO_VLAN_TABLE_ACCESS_5365 :
- ROBO_VLAN_TABLE_ACCESS,
- val16);
- }
-}
-
-static void handle_reset_new(switch_driver *d, char *buf, int nr)
-{
- int j;
- __u8 vtbl_entry, vtbl_index, vtbl_access;
-
- if ((robo.devid == ROBO_DEVICE_ID_5395) ||
- (robo.devid == ROBO_DEVICE_ID_53115) ||
- (robo.devid == ROBO_DEVICE_ID_53125)) {
- vtbl_access = ROBO_VTBL_ACCESS_5395;
- vtbl_index = ROBO_VTBL_INDX_5395;
- vtbl_entry = ROBO_VTBL_ENTRY_5395;
- } else {
- vtbl_access = ROBO_VTBL_ACCESS;
- vtbl_index = ROBO_VTBL_INDX;
- vtbl_entry = ROBO_VTBL_ENTRY;
- }
-
- for (j = 0; j <= VLAN_ID_MAX; j++) {
- /* write config now */
- robo_write32(ROBO_ARLIO_PAGE, vtbl_entry, 0);
- robo_write16(ROBO_ARLIO_PAGE, vtbl_index, j);
- robo_write16(ROBO_ARLIO_PAGE, vtbl_access, 1 << 7);
- }
-}
-
-static int handle_reset(void *driver, char *buf, int nr)
-{
- int j;
- switch_driver *d = (switch_driver *) driver;
-
- /* disable switching */
- set_switch(0);
-
- if (robo.devid != ROBO_DEVICE_ID_5325)
- handle_reset_new(d, buf, nr);
- else
- handle_reset_old(d, buf, nr);
-
- /* reset ports to a known good state */
- for (j = 0; j < d->ports; j++) {
- robo_write16(ROBO_CTRL_PAGE, robo.port[j], 0x0000);
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), 0);
- }
-
- /* enable switching */
- set_switch(1);
-
- /* enable vlans */
- handle_enable_vlan_write(driver, "1", 0);
-
- return 0;
-}
-
-static int __init robo_init(void)
-{
- int notfound = 1;
- char *device;
-
- device = strdup("ethX");
- for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) {
- if (! switch_device_registered (device))
- notfound = robo_probe(device);
- }
- device[3]--;
-
- if (notfound) {
- kfree(device);
- return -ENODEV;
- } else {
- static const switch_config cfg[] = {
- {
- .name = "enable",
- .read = handle_enable_read,
- .write = handle_enable_write
- }, {
- .name = "enable_vlan",
- .read = handle_enable_vlan_read,
- .write = handle_enable_vlan_write
- }, {
- .name = "reset",
- .read = NULL,
- .write = handle_reset
- }, { NULL, },
- };
- static const switch_config port[] = {
- {
- .name = "enable",
- .read = handle_port_enable_read,
- .write = handle_port_enable_write
- }, {
- .name = "media",
- .read = handle_port_media_read,
- .write = handle_port_media_write
- }, { NULL, },
- };
- static const switch_config vlan[] = {
- {
- .name = "ports",
- .read = handle_vlan_port_read,
- .write = handle_vlan_port_write
- }, { NULL, },
- };
- switch_driver driver = {
- .name = DRIVER_NAME,
- .version = DRIVER_VERSION,
- .interface = device,
- .cpuport = 5,
- .ports = 6,
- .vlans = 16,
- .driver_handlers = cfg,
- .port_handlers = port,
- .vlan_handlers = vlan,
- };
- if (robo.devid != ROBO_DEVICE_ID_5325) {
- driver.ports = 9;
- driver.cpuport = 8;
- }
- if (robo.is_5365)
- snprintf(driver.dev_name, SWITCH_NAME_BUFSZ, "BCM5365");
- else
- snprintf(driver.dev_name, SWITCH_NAME_BUFSZ, "BCM5%s%x", robo.devid & 0xff00 ? "" : "3", robo.devid);
-
- return switch_register_driver(&driver);
- }
-}
-
-static void __exit robo_exit(void)
-{
- switch_unregister_driver(DRIVER_NAME);
- if (robo.dev)
- dev_put(robo.dev);
- if (robo.gpio_robo_reset >= 0)
- gpio_free(robo.gpio_robo_reset);
- if (robo.gpio_lanports_enable >= 0)
- gpio_free(robo.gpio_lanports_enable);
- kfree(robo.device);
-}
-
-
-MODULE_AUTHOR("Felix Fietkau <openwrt@nbd.name>");
-MODULE_LICENSE("GPL");
-
-module_init(robo_init);
-module_exit(robo_exit);
projects / openwrt.git / blobdiff