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path: root/drivers/net/netxen/netxen_nic_niu.c
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Diffstat (limited to 'drivers/net/netxen/netxen_nic_niu.c')
-rw-r--r--drivers/net/netxen/netxen_nic_niu.c550
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 5941c79be723..000000000000
--- 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;
-}