diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/ethernet/chelsio/cxgb3/aq100x.c')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/chelsio/cxgb3/aq100x.c | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/ANDROID_3.4.5/drivers/net/ethernet/chelsio/cxgb3/aq100x.c b/ANDROID_3.4.5/drivers/net/ethernet/chelsio/cxgb3/aq100x.c deleted file mode 100644 index 341b7ef1..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/chelsio/cxgb3/aq100x.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * Copyright (c) 2005-2008 Chelsio, Inc. All rights reserved. - * - * This software is available to you under a choice of one of two - * licenses. You may choose to be licensed under the terms of the GNU - * General Public License (GPL) Version 2, available from the file - * COPYING in the main directory of this source tree, or the - * OpenIB.org BSD license below: - * - * Redistribution and use in source and binary forms, with or - * without modification, are permitted provided that the following - * conditions are met: - * - * - Redistributions of source code must retain the above - * copyright notice, this list of conditions and the following - * disclaimer. - * - * - Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following - * disclaimer in the documentation and/or other materials - * provided with the distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - */ - -#include "common.h" -#include "regs.h" - -enum { - /* MDIO_DEV_PMA_PMD registers */ - AQ_LINK_STAT = 0xe800, - AQ_IMASK_PMA = 0xf000, - - /* MDIO_DEV_XGXS registers */ - AQ_XAUI_RX_CFG = 0xc400, - AQ_XAUI_TX_CFG = 0xe400, - - /* MDIO_DEV_ANEG registers */ - AQ_1G_CTRL = 0xc400, - AQ_ANEG_STAT = 0xc800, - - /* MDIO_DEV_VEND1 registers */ - AQ_FW_VERSION = 0x0020, - AQ_IFLAG_GLOBAL = 0xfc00, - AQ_IMASK_GLOBAL = 0xff00, -}; - -enum { - IMASK_PMA = 1 << 2, - IMASK_GLOBAL = 1 << 15, - ADV_1G_FULL = 1 << 15, - ADV_1G_HALF = 1 << 14, - ADV_10G_FULL = 1 << 12, - AQ_RESET = (1 << 14) | (1 << 15), - AQ_LOWPOWER = 1 << 12, -}; - -static int aq100x_reset(struct cphy *phy, int wait) -{ - /* - * Ignore the caller specified wait time; always wait for the reset to - * complete. Can take up to 3s. - */ - int err = t3_phy_reset(phy, MDIO_MMD_VEND1, 3000); - - if (err) - CH_WARN(phy->adapter, "PHY%d: reset failed (0x%x).\n", - phy->mdio.prtad, err); - - return err; -} - -static int aq100x_intr_enable(struct cphy *phy) -{ - int err = t3_mdio_write(phy, MDIO_MMD_PMAPMD, AQ_IMASK_PMA, IMASK_PMA); - if (err) - return err; - - err = t3_mdio_write(phy, MDIO_MMD_VEND1, AQ_IMASK_GLOBAL, IMASK_GLOBAL); - return err; -} - -static int aq100x_intr_disable(struct cphy *phy) -{ - return t3_mdio_write(phy, MDIO_MMD_VEND1, AQ_IMASK_GLOBAL, 0); -} - -static int aq100x_intr_clear(struct cphy *phy) -{ - unsigned int v; - - t3_mdio_read(phy, MDIO_MMD_VEND1, AQ_IFLAG_GLOBAL, &v); - t3_mdio_read(phy, MDIO_MMD_PMAPMD, MDIO_STAT1, &v); - - return 0; -} - -static int aq100x_intr_handler(struct cphy *phy) -{ - int err; - unsigned int cause, v; - - err = t3_mdio_read(phy, MDIO_MMD_VEND1, AQ_IFLAG_GLOBAL, &cause); - if (err) - return err; - - /* Read (and reset) the latching version of the status */ - t3_mdio_read(phy, MDIO_MMD_PMAPMD, MDIO_STAT1, &v); - - return cphy_cause_link_change; -} - -static int aq100x_power_down(struct cphy *phy, int off) -{ - return mdio_set_flag(&phy->mdio, phy->mdio.prtad, - MDIO_MMD_PMAPMD, MDIO_CTRL1, - MDIO_CTRL1_LPOWER, off); -} - -static int aq100x_autoneg_enable(struct cphy *phy) -{ - int err; - - err = aq100x_power_down(phy, 0); - if (!err) - err = mdio_set_flag(&phy->mdio, phy->mdio.prtad, - MDIO_MMD_AN, MDIO_CTRL1, - BMCR_ANENABLE | BMCR_ANRESTART, 1); - - return err; -} - -static int aq100x_autoneg_restart(struct cphy *phy) -{ - int err; - - err = aq100x_power_down(phy, 0); - if (!err) - err = mdio_set_flag(&phy->mdio, phy->mdio.prtad, - MDIO_MMD_AN, MDIO_CTRL1, - BMCR_ANENABLE | BMCR_ANRESTART, 1); - - return err; -} - -static int aq100x_advertise(struct cphy *phy, unsigned int advertise_map) -{ - unsigned int adv; - int err; - - /* 10G advertisement */ - adv = 0; - if (advertise_map & ADVERTISED_10000baseT_Full) - adv |= ADV_10G_FULL; - err = t3_mdio_change_bits(phy, MDIO_MMD_AN, MDIO_AN_10GBT_CTRL, - ADV_10G_FULL, adv); - if (err) - return err; - - /* 1G advertisement */ - adv = 0; - if (advertise_map & ADVERTISED_1000baseT_Full) - adv |= ADV_1G_FULL; - if (advertise_map & ADVERTISED_1000baseT_Half) - adv |= ADV_1G_HALF; - err = t3_mdio_change_bits(phy, MDIO_MMD_AN, AQ_1G_CTRL, - ADV_1G_FULL | ADV_1G_HALF, adv); - if (err) - return err; - - /* 100M, pause advertisement */ - adv = 0; - if (advertise_map & ADVERTISED_100baseT_Half) - adv |= ADVERTISE_100HALF; - if (advertise_map & ADVERTISED_100baseT_Full) - adv |= ADVERTISE_100FULL; - if (advertise_map & ADVERTISED_Pause) - adv |= ADVERTISE_PAUSE_CAP; - if (advertise_map & ADVERTISED_Asym_Pause) - adv |= ADVERTISE_PAUSE_ASYM; - err = t3_mdio_change_bits(phy, MDIO_MMD_AN, MDIO_AN_ADVERTISE, - 0xfe0, adv); - - return err; -} - -static int aq100x_set_loopback(struct cphy *phy, int mmd, int dir, int enable) -{ - return mdio_set_flag(&phy->mdio, phy->mdio.prtad, - MDIO_MMD_PMAPMD, MDIO_CTRL1, - BMCR_LOOPBACK, enable); -} - -static int aq100x_set_speed_duplex(struct cphy *phy, int speed, int duplex) -{ - /* no can do */ - return -1; -} - -static int aq100x_get_link_status(struct cphy *phy, int *link_ok, - int *speed, int *duplex, int *fc) -{ - int err; - unsigned int v; - - if (link_ok) { - err = t3_mdio_read(phy, MDIO_MMD_PMAPMD, AQ_LINK_STAT, &v); - if (err) - return err; - - *link_ok = v & 1; - if (!*link_ok) - return 0; - } - - err = t3_mdio_read(phy, MDIO_MMD_AN, AQ_ANEG_STAT, &v); - if (err) - return err; - - if (speed) { - switch (v & 0x6) { - case 0x6: - *speed = SPEED_10000; - break; - case 0x4: - *speed = SPEED_1000; - break; - case 0x2: - *speed = SPEED_100; - break; - case 0x0: - *speed = SPEED_10; - break; - } - } - - if (duplex) - *duplex = v & 1 ? DUPLEX_FULL : DUPLEX_HALF; - - return 0; -} - -static struct cphy_ops aq100x_ops = { - .reset = aq100x_reset, - .intr_enable = aq100x_intr_enable, - .intr_disable = aq100x_intr_disable, - .intr_clear = aq100x_intr_clear, - .intr_handler = aq100x_intr_handler, - .autoneg_enable = aq100x_autoneg_enable, - .autoneg_restart = aq100x_autoneg_restart, - .advertise = aq100x_advertise, - .set_loopback = aq100x_set_loopback, - .set_speed_duplex = aq100x_set_speed_duplex, - .get_link_status = aq100x_get_link_status, - .power_down = aq100x_power_down, - .mmds = MDIO_DEVS_PMAPMD | MDIO_DEVS_PCS | MDIO_DEVS_PHYXS, -}; - -int t3_aq100x_phy_prep(struct cphy *phy, struct adapter *adapter, int phy_addr, - const struct mdio_ops *mdio_ops) -{ - unsigned int v, v2, gpio, wait; - int err; - - cphy_init(phy, adapter, phy_addr, &aq100x_ops, mdio_ops, - SUPPORTED_1000baseT_Full | SUPPORTED_10000baseT_Full | - SUPPORTED_TP | SUPPORTED_Autoneg | SUPPORTED_AUI, - "1000/10GBASE-T"); - - /* - * The PHY has been out of reset ever since the system powered up. So - * we do a hard reset over here. - */ - gpio = phy_addr ? F_GPIO10_OUT_VAL : F_GPIO6_OUT_VAL; - t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, gpio, 0); - msleep(1); - t3_set_reg_field(adapter, A_T3DBG_GPIO_EN, gpio, gpio); - - /* - * Give it enough time to load the firmware and get ready for mdio. - */ - msleep(1000); - wait = 500; /* in 10ms increments */ - do { - err = t3_mdio_read(phy, MDIO_MMD_VEND1, MDIO_CTRL1, &v); - if (err || v == 0xffff) { - - /* Allow prep_adapter to succeed when ffff is read */ - - CH_WARN(adapter, "PHY%d: reset failed (0x%x, 0x%x).\n", - phy_addr, err, v); - goto done; - } - - v &= AQ_RESET; - if (v) - msleep(10); - } while (v && --wait); - if (v) { - CH_WARN(adapter, "PHY%d: reset timed out (0x%x).\n", - phy_addr, v); - - goto done; /* let prep_adapter succeed */ - } - - /* Datasheet says 3s max but this has been observed */ - wait = (500 - wait) * 10 + 1000; - if (wait > 3000) - CH_WARN(adapter, "PHY%d: reset took %ums\n", phy_addr, wait); - - /* Firmware version check. */ - t3_mdio_read(phy, MDIO_MMD_VEND1, AQ_FW_VERSION, &v); - if (v != 101) - CH_WARN(adapter, "PHY%d: unsupported firmware %d\n", - phy_addr, v); - - /* - * The PHY should start in really-low-power mode. Prepare it for normal - * operations. - */ - err = t3_mdio_read(phy, MDIO_MMD_VEND1, MDIO_CTRL1, &v); - if (err) - return err; - if (v & AQ_LOWPOWER) { - err = t3_mdio_change_bits(phy, MDIO_MMD_VEND1, MDIO_CTRL1, - AQ_LOWPOWER, 0); - if (err) - return err; - msleep(10); - } else - CH_WARN(adapter, "PHY%d does not start in low power mode.\n", - phy_addr); - - /* - * Verify XAUI settings, but let prep succeed no matter what. - */ - v = v2 = 0; - t3_mdio_read(phy, MDIO_MMD_PHYXS, AQ_XAUI_RX_CFG, &v); - t3_mdio_read(phy, MDIO_MMD_PHYXS, AQ_XAUI_TX_CFG, &v2); - if (v != 0x1b || v2 != 0x1b) - CH_WARN(adapter, - "PHY%d: incorrect XAUI settings (0x%x, 0x%x).\n", - phy_addr, v, v2); - -done: - return err; -} |