diff options
Diffstat (limited to 'drivers/net/netxen/netxen_nic_niu.c')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_niu.c | 550 |
1 files changed, 0 insertions, 550 deletions
diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c deleted file mode 100644 index 5941c79be72..00000000000 --- a/drivers/net/netxen/netxen_nic_niu.c +++ /dev/null @@ -1,550 +0,0 @@ -/* - * Copyright (C) 2003 - 2009 NetXen, Inc. - * All rights reserved. - * - * 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., 59 Temple Place - Suite 330, Boston, - * MA 02111-1307, USA. - * - * The full GNU General Public License is included in this distribution - * in the file called LICENSE. - * - * Contact Information: - * info@netxen.com - * NetXen Inc, - * 18922 Forge Drive - * Cupertino, CA 95014-0701 - * - */ - -#include "netxen_nic.h" - -#define NETXEN_GB_MAC_SOFT_RESET 0x80000000 -#define NETXEN_GB_MAC_RESET_PROT_BLK 0x000F0000 -#define NETXEN_GB_MAC_ENABLE_TX_RX 0x00000005 -#define NETXEN_GB_MAC_PAUSED_FRMS 0x00000020 - -static long phy_lock_timeout = 100000000; - -static int phy_lock(struct netxen_adapter *adapter) -{ - int i; - int done = 0, timeout = 0; - - while (!done) { - done = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_SEM3_LOCK)); - if (done == 1) - break; - if (timeout >= phy_lock_timeout) { - return -1; - } - timeout++; - if (!in_atomic()) - schedule(); - else { - for (i = 0; i < 20; i++) - cpu_relax(); - } - } - - NXWR32(adapter, NETXEN_PHY_LOCK_ID, PHY_LOCK_DRIVER); - return 0; -} - -static int phy_unlock(struct netxen_adapter *adapter) -{ - adapter->pci_read_immediate(adapter, NETXEN_PCIE_REG(PCIE_SEM3_UNLOCK)); - - return 0; -} - -/* - * netxen_niu_gbe_phy_read - read a register from the GbE PHY via - * mii management interface. - * - * Note: The MII management interface goes through port 0. - * Individual phys are addressed as follows: - * @param phy [15:8] phy id - * @param reg [7:0] register number - * - * @returns 0 on success - * -1 on error - * - */ -int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg, - __u32 * readval) -{ - long timeout = 0; - long result = 0; - long restore = 0; - long phy = adapter->physical_port; - __u32 address; - __u32 command; - __u32 status; - __u32 mac_cfg0; - - if (phy_lock(adapter) != 0) { - return -1; - } - - /* - * MII mgmt all goes through port 0 MAC interface, - * so it cannot be in reset - */ - - mac_cfg0 = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0)); - if (netxen_gb_get_soft_reset(mac_cfg0)) { - __u32 temp; - temp = 0; - netxen_gb_tx_reset_pb(temp); - netxen_gb_rx_reset_pb(temp); - netxen_gb_tx_reset_mac(temp); - netxen_gb_rx_reset_mac(temp); - if (NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), temp)) - return -EIO; - restore = 1; - } - - address = 0; - netxen_gb_mii_mgmt_reg_addr(address, reg); - netxen_gb_mii_mgmt_phy_addr(address, phy); - if (NXWR32(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0), address)) - return -EIO; - command = 0; /* turn off any prior activity */ - if (NXWR32(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), command)) - return -EIO; - /* send read command */ - netxen_gb_mii_mgmt_set_read_cycle(command); - if (NXWR32(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), command)) - return -EIO; - - status = 0; - do { - status = NXRD32(adapter, NETXEN_NIU_GB_MII_MGMT_INDICATE(0)); - timeout++; - } while ((netxen_get_gb_mii_mgmt_busy(status) - || netxen_get_gb_mii_mgmt_notvalid(status)) - && (timeout++ < NETXEN_NIU_PHY_WAITMAX)); - - if (timeout < NETXEN_NIU_PHY_WAITMAX) { - *readval = NXRD32(adapter, NETXEN_NIU_GB_MII_MGMT_STATUS(0)); - result = 0; - } else - result = -1; - - if (restore) - if (NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), mac_cfg0)) - return -EIO; - phy_unlock(adapter); - return result; -} - -/* - * netxen_niu_gbe_phy_write - write a register to the GbE PHY via - * mii management interface. - * - * Note: The MII management interface goes through port 0. - * Individual phys are addressed as follows: - * @param phy [15:8] phy id - * @param reg [7:0] register number - * - * @returns 0 on success - * -1 on error - * - */ -int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg, - __u32 val) -{ - long timeout = 0; - long result = 0; - long restore = 0; - long phy = adapter->physical_port; - __u32 address; - __u32 command; - __u32 status; - __u32 mac_cfg0; - - /* - * MII mgmt all goes through port 0 MAC interface, so it - * cannot be in reset - */ - - mac_cfg0 = NXRD32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0)); - if (netxen_gb_get_soft_reset(mac_cfg0)) { - __u32 temp; - temp = 0; - netxen_gb_tx_reset_pb(temp); - netxen_gb_rx_reset_pb(temp); - netxen_gb_tx_reset_mac(temp); - netxen_gb_rx_reset_mac(temp); - - if (NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), temp)) - return -EIO; - restore = 1; - } - - command = 0; /* turn off any prior activity */ - if (NXWR32(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), command)) - return -EIO; - - address = 0; - netxen_gb_mii_mgmt_reg_addr(address, reg); - netxen_gb_mii_mgmt_phy_addr(address, phy); - if (NXWR32(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0), address)) - return -EIO; - - if (NXWR32(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0), val)) - return -EIO; - - status = 0; - do { - status = NXRD32(adapter, NETXEN_NIU_GB_MII_MGMT_INDICATE(0)); - timeout++; - } while ((netxen_get_gb_mii_mgmt_busy(status)) - && (timeout++ < NETXEN_NIU_PHY_WAITMAX)); - - if (timeout < NETXEN_NIU_PHY_WAITMAX) - result = 0; - else - result = -EIO; - - /* restore the state of port 0 MAC in case we tampered with it */ - if (restore) - if (NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), mac_cfg0)) - return -EIO; - - return result; -} - -int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter) -{ - NXWR32(adapter, NETXEN_NIU_INT_MASK, 0x3f); - return 0; -} - -int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter) -{ - int result = 0; - __u32 enable = 0; - netxen_set_phy_int_link_status_changed(enable); - netxen_set_phy_int_autoneg_completed(enable); - netxen_set_phy_int_speed_changed(enable); - - if (0 != - netxen_niu_gbe_phy_write(adapter, - NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, - enable)) - result = -EIO; - - return result; -} - -int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter) -{ - NXWR32(adapter, NETXEN_NIU_INT_MASK, 0x7f); - return 0; -} - -int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter) -{ - int result = 0; - if (0 != - netxen_niu_gbe_phy_write(adapter, - NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, 0)) - result = -EIO; - - return result; -} - -static int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter) -{ - int result = 0; - if (0 != - netxen_niu_gbe_phy_write(adapter, - NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, - -EIO)) - result = -EIO; - - return result; -} - -/* - * netxen_niu_gbe_set_mii_mode- Set 10/100 Mbit Mode for GbE MAC - * - */ -static void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, - int port, long enable) -{ - NXWR32(adapter, NETXEN_NIU_MODE, 0x2); - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), 0x80000000); - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), 0x0000f0025); - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port), 0xf1ff); - NXWR32(adapter, NETXEN_NIU_GB0_GMII_MODE + (port << 3), 0); - NXWR32(adapter, NETXEN_NIU_GB0_MII_MODE + (port << 3), 1); - NXWR32(adapter, (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0); - NXWR32(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7); - - if (enable) { - /* - * Do NOT enable flow control until a suitable solution for - * shutting down pause frames is found. - */ - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), 0x5); - } - - if (netxen_niu_gbe_enable_phy_interrupts(adapter)) - printk(KERN_ERR "ERROR enabling PHY interrupts\n"); - if (netxen_niu_gbe_clear_phy_interrupts(adapter)) - printk(KERN_ERR "ERROR clearing PHY interrupts\n"); -} - -/* - * netxen_niu_gbe_set_gmii_mode- Set GbE Mode for GbE MAC - */ -static void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, - int port, long enable) -{ - NXWR32(adapter, NETXEN_NIU_MODE, 0x2); - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), 0x80000000); - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), 0x0000f0025); - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port), 0xf2ff); - NXWR32(adapter, NETXEN_NIU_GB0_MII_MODE + (port << 3), 0); - NXWR32(adapter, NETXEN_NIU_GB0_GMII_MODE + (port << 3), 1); - NXWR32(adapter, (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0); - NXWR32(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7); - - if (enable) { - /* - * Do NOT enable flow control until a suitable solution for - * shutting down pause frames is found. - */ - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), 0x5); - } - - if (netxen_niu_gbe_enable_phy_interrupts(adapter)) - printk(KERN_ERR "ERROR enabling PHY interrupts\n"); - if (netxen_niu_gbe_clear_phy_interrupts(adapter)) - printk(KERN_ERR "ERROR clearing PHY interrupts\n"); -} - -int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port) -{ - int result = 0; - __u32 status; - - if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) - return 0; - - if (adapter->disable_phy_interrupts) - adapter->disable_phy_interrupts(adapter); - mdelay(2); - - if (0 == netxen_niu_gbe_phy_read(adapter, - NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, &status)) { - if (netxen_get_phy_link(status)) { - if (netxen_get_phy_speed(status) == 2) { - netxen_niu_gbe_set_gmii_mode(adapter, port, 1); - } else if ((netxen_get_phy_speed(status) == 1) - || (netxen_get_phy_speed(status) == 0)) { - netxen_niu_gbe_set_mii_mode(adapter, port, 1); - } else { - result = -1; - } - - } else { - /* - * We don't have link. Cable must be unconnected. - * Enable phy interrupts so we take action when - * plugged in. - */ - - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), - NETXEN_GB_MAC_SOFT_RESET); - NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), - NETXEN_GB_MAC_RESET_PROT_BLK | - NETXEN_GB_MAC_ENABLE_TX_RX | - NETXEN_GB_MAC_PAUSED_FRMS); - if (netxen_niu_gbe_clear_phy_interrupts(adapter)) - printk(KERN_ERR - "ERROR clearing PHY interrupts\n"); - if (netxen_niu_gbe_enable_phy_interrupts(adapter)) - printk(KERN_ERR - "ERROR enabling PHY interrupts\n"); - if (netxen_niu_gbe_clear_phy_interrupts(adapter)) - printk(KERN_ERR - "ERROR clearing PHY interrupts\n"); - result = -1; - } - } else { - result = -EIO; - } - return result; -} - -int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port) -{ - if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { - NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*port), 0x1447); - NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_0+(0x10000*port), 0x5); - } - - return 0; -} - -/* Disable a GbE interface */ -int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter) -{ - __u32 mac_cfg0; - u32 port = adapter->physical_port; - - if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) - return 0; - - if (port > NETXEN_NIU_MAX_GBE_PORTS) - return -EINVAL; - mac_cfg0 = 0; - netxen_gb_soft_reset(mac_cfg0); - if (NXWR32(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), mac_cfg0)) - return -EIO; - return 0; -} - -/* Disable an XG interface */ -int netxen_niu_disable_xg_port(struct netxen_adapter *adapter) -{ - __u32 mac_cfg; - u32 port = adapter->physical_port; - - if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) - return 0; - - if (port > NETXEN_NIU_MAX_XG_PORTS) - return -EINVAL; - - mac_cfg = 0; - if (NXWR32(adapter, - NETXEN_NIU_XGE_CONFIG_0 + (0x10000 * port), mac_cfg)) - return -EIO; - return 0; -} - -/* Set promiscuous mode for a GbE interface */ -int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, - u32 mode) -{ - __u32 reg; - u32 port = adapter->physical_port; - - if (port > NETXEN_NIU_MAX_GBE_PORTS) - return -EINVAL; - - /* save previous contents */ - reg = NXRD32(adapter, NETXEN_NIU_GB_DROP_WRONGADDR); - if (mode == NETXEN_NIU_PROMISC_MODE) { - switch (port) { - case 0: - netxen_clear_gb_drop_gb0(reg); - break; - case 1: - netxen_clear_gb_drop_gb1(reg); - break; - case 2: - netxen_clear_gb_drop_gb2(reg); - break; - case 3: - netxen_clear_gb_drop_gb3(reg); - break; - default: - return -EIO; - } - } else { - switch (port) { - case 0: - netxen_set_gb_drop_gb0(reg); - break; - case 1: - netxen_set_gb_drop_gb1(reg); - break; - case 2: - netxen_set_gb_drop_gb2(reg); - break; - case 3: - netxen_set_gb_drop_gb3(reg); - break; - default: - return -EIO; - } - } - if (NXWR32(adapter, NETXEN_NIU_GB_DROP_WRONGADDR, reg)) - return -EIO; - return 0; -} - -int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter, - u32 mode) -{ - __u32 reg; - u32 port = adapter->physical_port; - - if (port > NETXEN_NIU_MAX_XG_PORTS) - return -EINVAL; - - reg = NXRD32(adapter, NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port)); - if (mode == NETXEN_NIU_PROMISC_MODE) - reg = (reg | 0x2000UL); - else - reg = (reg & ~0x2000UL); - - if (mode == NETXEN_NIU_ALLMULTI_MODE) - reg = (reg | 0x1000UL); - else - reg = (reg & ~0x1000UL); - - NXWR32(adapter, NETXEN_NIU_XGE_CONFIG_1 + (0x10000 * port), reg); - - return 0; -} - -int netxen_p2_nic_set_mac_addr(struct netxen_adapter *adapter, u8 *addr) -{ - u32 mac_hi, mac_lo; - u32 reg_hi, reg_lo; - - u8 phy = adapter->physical_port; - u8 phy_count = (adapter->ahw.port_type == NETXEN_NIC_XGBE) ? - NETXEN_NIU_MAX_XG_PORTS : NETXEN_NIU_MAX_GBE_PORTS; - - if (phy >= phy_count) - return -EINVAL; - - mac_lo = ((u32)addr[0] << 16) | ((u32)addr[1] << 24); - mac_hi = addr[2] | ((u32)addr[3] << 8) | - ((u32)addr[4] << 16) | ((u32)addr[5] << 24); - - if (adapter->ahw.port_type == NETXEN_NIC_XGBE) { - reg_lo = NETXEN_NIU_XGE_STATION_ADDR_0_1 + (0x10000 * phy); - reg_hi = NETXEN_NIU_XGE_STATION_ADDR_0_HI + (0x10000 * phy); - } else { - reg_lo = NETXEN_NIU_GB_STATION_ADDR_1(phy); - reg_hi = NETXEN_NIU_GB_STATION_ADDR_0(phy); - } - - /* write twice to flush */ - if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi)) - return -EIO; - if (NXWR32(adapter, reg_lo, mac_lo) || NXWR32(adapter, reg_hi, mac_hi)) - return -EIO; - - return 0; -} |