diff options
Diffstat (limited to 'package/kernel/switch/src/switch-robo.c')
-rw-r--r-- | package/kernel/switch/src/switch-robo.c | 892 |
1 files changed, 0 insertions, 892 deletions
diff --git a/package/kernel/switch/src/switch-robo.c b/package/kernel/switch/src/switch-robo.c deleted file mode 100644 index f7159729b8..0000000000 --- a/package/kernel/switch/src/switch-robo.c +++ /dev/null @@ -1,892 +0,0 @@ -/* - * 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); |