diff options
| -rw-r--r-- | target/linux/ar71xx/files/net/dsa/mv88e6063.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/target/linux/ar71xx/files/net/dsa/mv88e6063.c b/target/linux/ar71xx/files/net/dsa/mv88e6063.c deleted file mode 100644 index 5638a9f..0000000 --- a/target/linux/ar71xx/files/net/dsa/mv88e6063.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * net/dsa/mv88e6063.c - Driver for Marvell 88e6063 switch chips - * Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org> - * - * This driver was base on: net/dsa/mv88e6060.c - * net/dsa/mv88e6063.c - Driver for Marvell 88e6060 switch chips - * Copyright (c) 2008-2009 Marvell Semiconductor - * - * 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. - */ - -#include <linux/list.h> -#include <linux/netdevice.h> -#include <linux/phy.h> -#include "dsa_priv.h" - -#define REG_BASE 0x10 -#define REG_PHY(p) (REG_BASE + (p)) -#define REG_PORT(p) (REG_BASE + 8 + (p)) -#define REG_GLOBAL (REG_BASE + 0x0f) -#define NUM_PORTS 7 - -static int reg_read(struct dsa_switch *ds, int addr, int reg) -{ - return mdiobus_read(ds->master_mii_bus, addr, reg); -} - -#define REG_READ(addr, reg) \ - ({ \ - int __ret; \ - \ - __ret = reg_read(ds, addr, reg); \ - if (__ret < 0) \ - return __ret; \ - __ret; \ - }) - - -static int reg_write(struct dsa_switch *ds, int addr, int reg, u16 val) -{ - return mdiobus_write(ds->master_mii_bus, addr, reg, val); -} - -#define REG_WRITE(addr, reg, val) \ - ({ \ - int __ret; \ - \ - __ret = reg_write(ds, addr, reg, val); \ - if (__ret < 0) \ - return __ret; \ - }) - -static char *mv88e6063_probe(struct mii_bus *bus, int sw_addr) -{ - int ret; - - ret = mdiobus_read(bus, REG_PORT(0), 0x03); - if (ret >= 0) { - ret &= 0xfff0; - if (ret == 0x1530) - return "Marvell 88E6063"; - } - - return NULL; -} - -static int mv88e6063_switch_reset(struct dsa_switch *ds) -{ - int i; - int ret; - - /* - * Set all ports to the disabled state. - */ - for (i = 0; i < NUM_PORTS; i++) { - ret = REG_READ(REG_PORT(i), 0x04); - REG_WRITE(REG_PORT(i), 0x04, ret & 0xfffc); - } - - /* - * Wait for transmit queues to drain. - */ - msleep(2); - - /* - * Reset the switch. - */ - REG_WRITE(REG_GLOBAL, 0x0a, 0xa130); - - /* - * Wait up to one second for reset to complete. - */ - for (i = 0; i < 1000; i++) { - ret = REG_READ(REG_GLOBAL, 0x00); - if ((ret & 0x8000) == 0x0000) - break; - - msleep(1); - } - if (i == 1000) - return -ETIMEDOUT; - - return 0; -} - -static int mv88e6063_setup_global(struct dsa_switch *ds) -{ - /* - * Disable discarding of frames with excessive collisions, - * set the maximum frame size to 1536 bytes, and mask all - * interrupt sources. - */ - REG_WRITE(REG_GLOBAL, 0x04, 0x0800); - - /* - * Enable automatic address learning, set the address - * database size to 1024 entries, and set the default aging - * time to 5 minutes. - */ - REG_WRITE(REG_GLOBAL, 0x0a, 0x2130); - - return 0; -} - -static int mv88e6063_setup_port(struct dsa_switch *ds, int p) -{ - int addr = REG_PORT(p); - - /* - * Do not force flow control, disable Ingress and Egress - * Header tagging, disable VLAN tunneling, and set the port - * state to Forwarding. Additionally, if this is the CPU - * port, enable Ingress and Egress Trailer tagging mode. - */ - REG_WRITE(addr, 0x04, dsa_is_cpu_port(ds, p) ? 0x4103 : 0x0003); - - /* - * Port based VLAN map: give each port its own address - * database, allow the CPU port to talk to each of the 'real' - * ports, and allow each of the 'real' ports to only talk to - * the CPU port. - */ - REG_WRITE(addr, 0x06, - ((p & 0xf) << 12) | - (dsa_is_cpu_port(ds, p) ? - ds->phys_port_mask : - (1 << ds->dst->cpu_port))); - - /* - * Port Association Vector: when learning source addresses - * of packets, add the address to the address database using - * a port bitmap that has only the bit for this port set and - * the other bits clear. - */ - REG_WRITE(addr, 0x0b, 1 << p); - - return 0; -} - -static int mv88e6063_setup(struct dsa_switch *ds) -{ - int i; - int ret; - - ret = mv88e6063_switch_reset(ds); - if (ret < 0) - return ret; - - /* @@@ initialise atu */ - - ret = mv88e6063_setup_global(ds); - if (ret < 0) - return ret; - - for (i = 0; i < NUM_PORTS; i++) { - ret = mv88e6063_setup_port(ds, i); - if (ret < 0) - return ret; - } - - return 0; -} - -static int mv88e6063_set_addr(struct dsa_switch *ds, u8 *addr) -{ - REG_WRITE(REG_GLOBAL, 0x01, (addr[0] << 8) | addr[1]); - REG_WRITE(REG_GLOBAL, 0x02, (addr[2] << 8) | addr[3]); - REG_WRITE(REG_GLOBAL, 0x03, (addr[4] << 8) | addr[5]); - - return 0; -} - -static int mv88e6063_port_to_phy_addr(int port) -{ - if (port >= 0 && port <= NUM_PORTS) - return REG_PHY(port); - return -1; -} - -static int mv88e6063_phy_read(struct dsa_switch *ds, int port, int regnum) -{ - int addr; - - addr = mv88e6063_port_to_phy_addr(port); - if (addr == -1) - return 0xffff; - - return reg_read(ds, addr, regnum); -} - -static int -mv88e6063_phy_write(struct dsa_switch *ds, int port, int regnum, u16 val) -{ - int addr; - - addr = mv88e6063_port_to_phy_addr(port); - if (addr == -1) - return 0xffff; - - return reg_write(ds, addr, regnum, val); -} - -static void mv88e6063_poll_link(struct dsa_switch *ds) -{ - int i; - - for (i = 0; i < DSA_MAX_PORTS; i++) { - struct net_device *dev; - int uninitialized_var(port_status); - int link; - int speed; - int duplex; - int fc; - - dev = ds->ports[i]; - if (dev == NULL) - continue; - - link = 0; - if (dev->flags & IFF_UP) { - port_status = reg_read(ds, REG_PORT(i), 0x00); - if (port_status < 0) - continue; - - link = !!(port_status & 0x1000); - } - - if (!link) { - if (netif_carrier_ok(dev)) { - printk(KERN_INFO "%s: link down\n", dev->name); - netif_carrier_off(dev); - } - continue; - } - - speed = (port_status & 0x0100) ? 100 : 10; - duplex = (port_status & 0x0200) ? 1 : 0; - fc = ((port_status & 0xc000) == 0xc000) ? 1 : 0; - - if (!netif_carrier_ok(dev)) { - printk(KERN_INFO "%s: link up, %d Mb/s, %s duplex, " - "flow control %sabled\n", dev->name, - speed, duplex ? "full" : "half", - fc ? "en" : "dis"); - netif_carrier_on(dev); - } - } -} - -static struct dsa_switch_driver mv88e6063_switch_driver = { - .tag_protocol = htons(ETH_P_TRAILER), - .probe = mv88e6063_probe, - .setup = mv88e6063_setup, - .set_addr = mv88e6063_set_addr, - .phy_read = mv88e6063_phy_read, - .phy_write = mv88e6063_phy_write, - .poll_link = mv88e6063_poll_link, -}; - -static int __init mv88e6063_init(void) -{ - register_switch_driver(&mv88e6063_switch_driver); - return 0; -} -module_init(mv88e6063_init); - -static void __exit mv88e6063_cleanup(void) -{ - unregister_switch_driver(&mv88e6063_switch_driver); -} -module_exit(mv88e6063_cleanup); |