/* * Broadcom BCM5325E/536x switch configuration module * * Copyright (C) 2005 Felix Fietkau * Copyright (C) 2008 Michael Buesch * 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 #include #include #include #include #include #include #include #include #include #include "switch-core.h" #include "etc53xx.h" #ifdef CONFIG_BCM47XX #include #endif #define DRIVER_NAME "bcm53xx" #define DRIVER_VERSION "0.02" #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; } 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 "); MODULE_LICENSE("GPL"); module_init(robo_init); module_exit(robo_exit);