* 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
*
* 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
-#include <linux/autoconf.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/if.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 "0.01"
+#define DRIVER_VERSION "0.03"
+#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 */
#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)
-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 };
-
-static int do_ioctl(int cmd, void *buf)
+/* 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;
- if (buf != NULL)
- ifr.ifr_data = (caddr_t) buf;
-
set_fs(KERNEL_DS);
- ret = dev->do_ioctl(dev, &ifr, cmd);
+ 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)
{
- if (use_et) {
- int args[2] = { reg };
-
- if (phy_id != ROBO_PHY_ADDR) {
- printk(
- "Access to real 'phy' registers unavaliable.\n"
- "Upgrade kernel driver.\n");
+ struct mii_ioctl_data *mii = if_mii(&robo.ifr);
+ int err;
- return 0xffff;
- }
+ 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);
- if (do_ioctl(SIOCGETCPHYRD, &args) < 0) {
- printk("[%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;
- mii->phy_id = phy_id;
- mii->reg_num = reg;
-
- if (do_ioctl(SIOCGMIIREG, NULL) < 0) {
- printk("[%s:%d] SIOCGMIIREG failed!\n", __FILE__, __LINE__);
-
- return 0xffff;
- }
-
- return mii->val_out;
+ return 0xffff;
}
+
+ return mii->val_out;
}
static void mdio_write(__u16 phy_id, __u8 reg, __u16 val)
{
- if (use_et) {
- int args[2] = { reg, val };
-
- if (phy_id != ROBO_PHY_ADDR) {
- printk(
- "Access to real 'phy' registers unavaliable.\n"
- "Upgrade kernel driver.\n");
+ struct mii_ioctl_data *mii = if_mii(&robo.ifr);
+ int err;
- return;
- }
-
- if (do_ioctl(SIOCSETCPHYWR, args) < 0) {
- printk("[%s:%d] SIOCGETCPHYWR failed!\n", __FILE__, __LINE__);
- return;
- }
- } else {
- struct mii_ioctl_data *mii = (struct mii_ioctl_data *)&ifr.ifr_data;
-
- mii->phy_id = phy_id;
- mii->reg_num = reg;
- mii->val_in = val;
+ 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__);
- return;
- }
+ 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,
+ 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 */
return 0;
}
- printk("[%s:%d] timeout in robo_reg!\n", __FILE__, __LINE__);
-
- 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) +
+
+ return mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0) |
(mdio_read(ROBO_PHY_ADDR, REG_MII_DATA0 + 1) << 16);
}
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, 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 5325E/5350 */
-static int robo_vlan5350(void)
+/* 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_5350, val16);
-
+ 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_5350) == val16);
+ 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("Probing device %s: ", devname);
- strcpy(ifr.ifr_name, devname);
+ printk(KERN_INFO PFX "Probing device '%s'\n", devname);
+ strcpy(robo.ifr.ifr_name, devname);
- if ((dev = dev_get_by_name(devname)) == NULL) {
- printk("No such device\n");
- return 1;
+ 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 */
- if (do_ioctl(SIOCGMIIPHY, NULL) < 0) {
- use_et = 1;
- } 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) {
- printk("Invalid phy address (%d)\n", mii->phy_id);
- return 1;
+ 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);
}
- phyid = mdio_read(ROBO_PHY_ADDR, 0x2) |
+ 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("No Robo switch in managed mode found\n");
- return 1;
+ printk(KERN_ERR PFX "No Robo switch in managed mode found, phy_id = 0x%08x\n", phyid);
+ err = -ENODEV;
+ goto err_gpio_lanports;
}
-
- is_5350 = robo_vlan5350();
-
- printk("found!\n");
+
+ /* 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(void *driver, char *buf, int nr)
+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 (is_5350) {
- u32 val32;
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5350, val16);
+
+ if (robo.is_5365) {
+ robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS_5365, val16);
/* actual read */
- val32 = robo_read32(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
- if ((val32 & (1 << 20)) /* valid */) {
- for (j = 0; j < 6; j++) {
- if (val32 & (1 << j)) {
+ 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 (val32 & (1 << (j + 6))) {
- if (j == 5) buf[len++] = 'u';
+ 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)
}
len += sprintf(buf + len, "\n");
}
- } else {
+ } else {
+ u32 val32;
robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
/* actual read */
- val16 = robo_read16(ROBO_VLAN_PAGE, ROBO_VLAN_READ);
- if ((val16 & (1 << 14)) /* valid */) {
- for (j = 0; j < 6; j++) {
- if (val16 & (1 << j)) {
+ 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 (val16 & (1 << (j + 7))) {
- if (j == 5) buf[len++] = 'u';
+ 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)
return len;
}
-static int handle_vlan_port_write(void *driver, char *buf, int nr)
+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;
- __u16 val16;
-
+
if (c == NULL)
return -EINVAL;
for (j = 0; j < d->ports; j++) {
- if ((c->untag | c->pvid) & (1 << 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);
+ }
}
- /* write config now */
- val16 = (nr) /* vlan */ | (1 << 12) /* write */ | (1 << 13) /* enable */;
- if (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);
- } else {
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE,
- (1 << 14) /* valid */ | (c->untag << 7) | c->port);
- robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_TABLE_ACCESS, val16);
- }
+ 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;
}
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 :
- (1 << 7) /* 802.1Q VLAN */ | (3 << 5) /* mac check and hash */);
+ 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 :
- (1 << 1) | (1 << 2) | (1 << 3) /* RSV multicast */);
+ 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 :
return 0;
}
-static int handle_reset(void *driver, char *buf, int nr)
+static void handle_reset_old(switch_driver *d, char *buf, int nr)
{
- switch_driver *d = (switch_driver *) driver;
- switch_vlan_config *c = switch_parse_vlan(d, buf);
int j;
__u16 val16;
-
- if (c == NULL)
- return -EINVAL;
-
- /* disable switching */
- set_switch(0);
/* reset vlans */
- for (j = 0; j <= (is_5350 ? VLAN_ID_MAX5350 : VLAN_ID_MAX); j++) {
+ 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 (is_5350)
- robo_write32(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5350, 0);
+ if (robo.is_5365)
+ robo_write16(ROBO_VLAN_PAGE, ROBO_VLAN_WRITE_5365, 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_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, 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);
}
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 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: NULL,
- vlan_handlers: vlan,
+ .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);
- kfree(device);
+ 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);
}
projects / openwrt / staging / yousong.git / blobdiff