X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/ddefa678f669b4b68a05e4278b4e892825c0fb39..271da7f4e93492f377c0fcf25def4591d60b9fbc:/package/switch/src/switch-robo.c?ds=inline diff --git a/package/switch/src/switch-robo.c b/package/switch/src/switch-robo.c index 32cf2b396..817fba3f4 100644 --- a/package/switch/src/switch-robo.c +++ b/package/switch/src/switch-robo.c @@ -2,6 +2,7 @@ * 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 @@ -20,7 +21,6 @@ * 02110-1301, USA. */ -#include #include #include #include @@ -28,15 +28,19 @@ #include #include #include +#include #include #include "switch-core.h" #include "etc53xx.h" #define DRIVER_NAME "bcm53xx" -#define DRIVER_VERSION "0.01" +#define DRIVER_VERSION "0.02" +#define PFX "roboswitch: " -#define ROBO_PHY_ADDR 0x1E /* robo switch phy address */ +#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 */ @@ -47,16 +51,41 @@ #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 + /* Private et.o ioctls */ #define SIOCGETCPHYRD (SIOCDEVPRIVATE + 9) #define SIOCSETCPHYWR (SIOCDEVPRIVATE + 10) -static char *device; -static int use_et = 0; -static int is_5350 = 0; -static struct ifreq ifr; -static struct net_device *dev; -static unsigned char port[6] = { 0, 1, 2, 3, 4, 8 }; +/* Only available on brcm47xx */ +#ifdef BROADCOM +extern char *nvram_get(const char *name); +#define getvar(str) (nvram_get(str)?:"") +#else +#define getvar(str) "" +#endif + +/* Data structure for a Roboswitch device. */ +struct robo_switch { + char *device; /* The device name string (ethX) */ + u16 devid; /* ROBO_DEVICE_ID_53xx */ + bool use_et; + bool is_5350; + u8 phy_addr; /* PHY address of the device */ + struct ifreq ifr; + struct net_device *dev; + unsigned char port[6]; +}; + +/* Currently we can only have one device in the system. */ +static struct robo_switch robo; + static int do_ioctl(int cmd, void *buf) { @@ -64,10 +93,14 @@ static int do_ioctl(int cmd, void *buf) int ret; if (buf != NULL) - ifr.ifr_data = (caddr_t) buf; + robo.ifr.ifr_data = (caddr_t) buf; set_fs(KERNEL_DS); - ret = dev->do_ioctl(dev, &ifr, cmd); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,31) + ret = robo.dev->netdev_ops->ndo_do_ioctl(robo.dev, &robo.ifr, cmd); +#else + ret = robo.dev->do_ioctl(robo.dev, &robo.ifr, cmd); +#endif set_fs(old_fs); return ret; @@ -75,11 +108,11 @@ static int do_ioctl(int cmd, void *buf) static u16 mdio_read(__u16 phy_id, __u8 reg) { - if (use_et) { + if (robo.use_et) { int args[2] = { reg }; - - if (phy_id != ROBO_PHY_ADDR) { - printk( + + if (phy_id != robo.phy_addr) { + printk(KERN_ERR PFX "Access to real 'phy' registers unavaliable.\n" "Upgrade kernel driver.\n"); @@ -88,18 +121,20 @@ static u16 mdio_read(__u16 phy_id, __u8 reg) if (do_ioctl(SIOCGETCPHYRD, &args) < 0) { - printk("[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__); + printk(KERN_ERR PFX + "[%s:%d] SIOCGETCPHYRD failed!\n", __FILE__, __LINE__); return 0xffff; } - + return args[1]; } else { - struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &ifr.ifr_data; + struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data; mii->phy_id = phy_id; mii->reg_num = reg; if (do_ioctl(SIOCGMIIREG, NULL) < 0) { - printk("[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__); + printk(KERN_ERR PFX + "[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__); return 0xffff; } @@ -110,30 +145,32 @@ static u16 mdio_read(__u16 phy_id, __u8 reg) static void mdio_write(__u16 phy_id, __u8 reg, __u16 val) { - if (use_et) { + if (robo.use_et) { int args[2] = { reg, val }; - if (phy_id != ROBO_PHY_ADDR) { - printk( + if (phy_id != robo.phy_addr) { + printk(KERN_ERR PFX "Access to real 'phy' registers unavaliable.\n" "Upgrade kernel driver.\n"); return; } - + if (do_ioctl(SIOCSETCPHYWR, args) < 0) { - printk("[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__); + printk(KERN_ERR PFX + "[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__); return; } } else { - struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&ifr.ifr_data; + struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&robo.ifr.ifr_data; mii->phy_id = phy_id; mii->reg_num = reg; mii->val_in = val; if (do_ioctl(SIOCSMIIREG, NULL) < 0) { - printk("[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__); + printk(KERN_ERR PFX + "[%s:%d] SIOCSMIIREG failed!\n", __FILE__, __LINE__); return; } } @@ -142,23 +179,23 @@ static void mdio_write(__u16 phy_id, __u8 reg, __u16 val) static int robo_reg(__u8 page, __u8 reg, __u8 op) { int i = 3; - + /* set page number */ - mdio_write(ROBO_PHY_ADDR, REG_MII_PAGE, + 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, + 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) + if ((mdio_read(robo.phy_addr, REG_MII_ADDR) & 3) == 0) return 0; } - printk("[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__); - + printk(KERN_ERR PFX "[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__); + return 0; } @@ -166,33 +203,33 @@ static int robo_reg(__u8 page, __u8 reg, __u8 op) 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); + 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); + + 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); + + 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); + mdio_write(robo.phy_addr, REG_MII_DATA0, val16); robo_reg(page, reg, REG_MII_ADDR_WRITE); } @@ -200,9 +237,9 @@ static void robo_write16(__u8 page, __u8 reg, __u16 val16) static void robo_write32(__u8 page, __u8 reg, __u32 val32) { /* write data */ - mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0, val32 & 65535); - mdio_write(ROBO_PHY_ADDR, REG_MII_DATA0 + 1, val32 >> 16); - + mdio_write(robo.phy_addr, REG_MII_DATA0, val32 & 65535); + mdio_write(robo.phy_addr, REG_MII_DATA0 + 1, val32 >> 16); + robo_reg(page, reg, REG_MII_ADDR_WRITE); } @@ -212,59 +249,130 @@ static int robo_vlan5350(void) /* set vlan access id to 15 and read it back */ __u16 val16 = 15; robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16); - + /* 5365 will refuse this as it does not have this reg */ return (robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350) == val16); } +static int robo_switch_enable(void) +{ + unsigned int i, last_port; + u16 val; + + 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("Failed to enable switch\n"); + return -EBUSY; + } + + last_port = (robo.devid == ROBO_DEVICE_ID_5398) ? + ROBO_PORT6_CTRL : ROBO_PORT3_CTRL; + for (i = ROBO_PORT0_CTRL; i < last_port + 1; i++) + robo_write16(ROBO_CTRL_PAGE, i, 0); + } + + /* WAN port LED, except for Netgear WGT634U */ + if (strcmp(getvar("nvram_type"), "cfe") != 0) + robo_write16(ROBO_CTRL_PAGE, 0x16, 0x1F); + 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); + } +} static int robo_probe(char *devname) { - struct ethtool_drvinfo info; -/* - int i; -*/ __u32 phyid; + unsigned int i; + int err = 1; - printk("Probing device %s: ", devname); - strcpy(ifr.ifr_name, devname); + printk(KERN_INFO PFX "Probing device %s: ", devname); + strcpy(robo.ifr.ifr_name, devname); - if ((dev = dev_get_by_name(devname)) == NULL) { +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) + if ((robo.dev = dev_get_by_name(devname)) == NULL) { +#else + if ((robo.dev = dev_get_by_name(&init_net, devname)) == NULL) { +#endif printk("No such device\n"); return 1; } - info.cmd = ETHTOOL_GDRVINFO; - if (do_ioctl(SIOCETHTOOL, (void *) &info) < 0) { - printk("SIOCETHTOOL: not supported\n"); - return 1; - } - + robo.device = devname; + for (i = 0; i < 5; i++) + robo.port[i] = i; + robo.port[5] = 8; + /* try access using MII ioctls - get phy address */ if (do_ioctl(SIOCGMIIPHY, NULL) < 0) { - use_et = 1; + robo.use_et = 1; + robo.phy_addr = ROBO_PHY_ADDR; } else { /* got phy address check for robo address */ - struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &ifr.ifr_data; - if (mii->phy_id != ROBO_PHY_ADDR) { + struct mii_ioctl_data *mii = (struct mii_ioctl_data *) &robo.ifr.ifr_data; + if ((mii->phy_id != ROBO_PHY_ADDR) && + (mii->phy_id != ROBO_PHY_ADDR_BCM63XX) && + (mii->phy_id != ROBO_PHY_ADDR_TG3)) { printk("Invalid phy address (%d)\n", mii->phy_id); - return 1; + goto done; } + robo.use_et = 0; + /* The robo has a fixed PHY address that is different from the + * Tigon3 and BCM63xx PHY address. */ + robo.phy_addr = ROBO_PHY_ADDR; } - phyid = mdio_read(ROBO_PHY_ADDR, 0x2) | - (mdio_read(ROBO_PHY_ADDR, 0x3) << 16); + phyid = mdio_read(robo.phy_addr, 0x2) | + (mdio_read(robo.phy_addr, 0x3) << 16); if (phyid == 0xffffffff || phyid == 0x55210022) { - printk("No Robo switch in managed mode found\n"); - return 1; + printk("No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid); + goto done; } - - is_5350 = robo_vlan5350(); - - printk("found!\n"); - return 0; + + /* 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 */ + robo.is_5350 = robo_vlan5350(); + + robo_switch_reset(); + err = robo_switch_enable(); + if (err) + goto done; + err = 0; + + printk("found a 5%s%x!%s\n", robo.devid & 0xff00 ? "" : "3", robo.devid, + robo.is_5350 ? " It's a 5350." : ""); + +done: + if (err) { + dev_put(robo.dev); + robo.dev = NULL; + } + return err; } @@ -275,8 +383,8 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr) int j; val16 = (nr) /* vlan */ | (0 << 12) /* read */ | (1 << 13) /* enable */; - - if (is_5350) { + + if (robo.is_5350) { u32 val32; robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16); /* actual read */ @@ -297,7 +405,7 @@ static int handle_vlan_port_read(void *driver, char *buf, int nr) } len += sprintf(buf + len, "\n"); } - } else { + } else { robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16); /* actual read */ val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ); @@ -330,7 +438,7 @@ static int handle_vlan_port_write(void *driver, char *buf, int nr) switch_vlan_config *c = switch_parse_vlan(d, buf); int j; __u16 val16; - + if (c == NULL) return -EINVAL; @@ -341,8 +449,19 @@ static int handle_vlan_port_write(void *driver, char *buf, int nr) } /* write config now */ + + if (robo.devid != ROBO_DEVICE_ID_5325) { + __u8 regoff = ((robo.devid == ROBO_DEVICE_ID_5395) || + (robo.devid == ROBO_DEVICE_ID_53115)) ? 0x20 : 0; + + robo_write32(ROBO_ARLIO_PAGE, 0x63 + regoff, (c->untag << 9) | c->port); + robo_write16(ROBO_ARLIO_PAGE, 0x61 + regoff, nr); + robo_write16(ROBO_ARLIO_PAGE, 0x60 + regoff, 1 << 7); + return 0; + } + val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */; - if (is_5350) { + if (robo.is_5350) { robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, (1 << 20) /* valid */ | (c->untag << 6) | c->port); robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16); @@ -378,11 +497,16 @@ static int handle_enable_vlan_read(void *driver, char *buf, int nr) static int handle_enable_vlan_write(void *driver, char *buf, int nr) { int disable = ((buf[0] != '1') ? 1 : 0); - + robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL0, disable ? 0 : (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */); robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_CTRL1, disable ? 0 : - (1 << 1) | (1 << 2) | (1 << 3) /* RSV multicast */); + (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 : @@ -397,7 +521,7 @@ static int handle_reset(void *driver, char *buf, int nr) switch_vlan_config *c = switch_parse_vlan(d, buf); int j; __u16 val16; - + if (c == NULL) return -EINVAL; @@ -405,19 +529,21 @@ static int handle_reset(void *driver, char *buf, int nr) set_switch(0); /* reset vlans */ - for (j = 0; j <= (is_5350 ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) { + for (j = 0; j <= ((robo.is_5350) ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) { /* write config now */ val16 = (j) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */; - if (is_5350) + if (robo.is_5350) robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0); else robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE, 0); - robo_write16(ROBO_VLAN_PAGE, (is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 : ROBO_VLAN_TABLE_ACCESS), val16); + robo_write16(ROBO_VLAN_PAGE, robo.is_5350 ? ROBO_VLAN_TABLE_ACCESS_5350 : + ROBO_VLAN_TABLE_ACCESS, + val16); } /* reset ports to a known good state */ for (j = 0; j < d->ports; j++) { - robo_write16(ROBO_CTRL_PAGE, port[j], 0x0000); + robo_write16(ROBO_CTRL_PAGE, robo.port[j], 0x0000); robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_PORT0_DEF_TAG + (j << 1), 0); } @@ -433,38 +559,56 @@ static int handle_reset(void *driver, char *buf, int nr) static int __init robo_init(void) { int notfound = 1; + char *device; device = strdup("ethX"); for (device[3] = '0'; (device[3] <= '3') && notfound; device[3]++) { - notfound = robo_probe(device); + if (! switch_device_registered (device)) + notfound = robo_probe(device); } device[3]--; - + if (notfound) { kfree(device); return -ENODEV; } else { - switch_config cfg[] = { - {"enable", handle_enable_read, handle_enable_write}, - {"enable_vlan", handle_enable_vlan_read, handle_enable_vlan_write}, - {"reset", NULL, handle_reset}, - {NULL, NULL, NULL} + 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, }, }; - switch_config vlan[] = { - {"ports", handle_vlan_port_read, handle_vlan_port_write}, - {NULL, NULL, 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: NULL, - vlan_handlers: vlan, + .name = DRIVER_NAME, + .version = DRIVER_VERSION, + .interface = device, + .cpuport = 5, + .ports = 6, + .vlans = 16, + .driver_handlers = cfg, + .port_handlers = NULL, + .vlan_handlers = vlan, }; + if (robo.devid != ROBO_DEVICE_ID_5325) { + driver.ports = 9; + driver.cpuport = 8; + } return switch_register_driver(&driver); } @@ -473,7 +617,9 @@ static int __init robo_init(void) static void __exit robo_exit(void) { switch_unregister_driver(DRIVER_NAME); - kfree(device); + if (robo.dev) + dev_put(robo.dev); + kfree(robo.device); }