1125 lines
32 KiB
C
1125 lines
32 KiB
C
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/*
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* Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net>
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*
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* This file is free software: you may copy, redistribute and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 2 of the License, or (at your
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* option) any later version.
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*
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* This file is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* This file incorporates work covered by the following copyright and
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* permission notice:
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*
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* Copyright (c) 2012 Qualcomm Atheros, Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/etherdevice.h>
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#include <linux/delay.h>
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#include <linux/pci.h>
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#include <linux/mdio.h>
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#include "reg.h"
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#include "hw.h"
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static inline bool alx_is_rev_a(u8 rev)
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{
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return rev == ALX_REV_A0 || rev == ALX_REV_A1;
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}
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static int alx_wait_mdio_idle(struct alx_hw *hw)
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{
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u32 val;
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int i;
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for (i = 0; i < ALX_MDIO_MAX_AC_TO; i++) {
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val = alx_read_mem32(hw, ALX_MDIO);
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if (!(val & ALX_MDIO_BUSY))
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return 0;
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udelay(10);
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}
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return -ETIMEDOUT;
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}
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static int alx_read_phy_core(struct alx_hw *hw, bool ext, u8 dev,
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u16 reg, u16 *phy_data)
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{
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u32 val, clk_sel;
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int err;
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*phy_data = 0;
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/* use slow clock when it's in hibernation status */
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clk_sel = hw->link_speed != SPEED_UNKNOWN ?
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ALX_MDIO_CLK_SEL_25MD4 :
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ALX_MDIO_CLK_SEL_25MD128;
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if (ext) {
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val = dev << ALX_MDIO_EXTN_DEVAD_SHIFT |
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reg << ALX_MDIO_EXTN_REG_SHIFT;
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alx_write_mem32(hw, ALX_MDIO_EXTN, val);
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val = ALX_MDIO_SPRES_PRMBL | ALX_MDIO_START |
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ALX_MDIO_MODE_EXT | ALX_MDIO_OP_READ |
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clk_sel << ALX_MDIO_CLK_SEL_SHIFT;
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} else {
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val = ALX_MDIO_SPRES_PRMBL |
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clk_sel << ALX_MDIO_CLK_SEL_SHIFT |
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reg << ALX_MDIO_REG_SHIFT |
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ALX_MDIO_START | ALX_MDIO_OP_READ;
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}
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alx_write_mem32(hw, ALX_MDIO, val);
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err = alx_wait_mdio_idle(hw);
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if (err)
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return err;
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val = alx_read_mem32(hw, ALX_MDIO);
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*phy_data = ALX_GET_FIELD(val, ALX_MDIO_DATA);
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return 0;
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}
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static int alx_write_phy_core(struct alx_hw *hw, bool ext, u8 dev,
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u16 reg, u16 phy_data)
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{
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u32 val, clk_sel;
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/* use slow clock when it's in hibernation status */
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clk_sel = hw->link_speed != SPEED_UNKNOWN ?
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ALX_MDIO_CLK_SEL_25MD4 :
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ALX_MDIO_CLK_SEL_25MD128;
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if (ext) {
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val = dev << ALX_MDIO_EXTN_DEVAD_SHIFT |
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reg << ALX_MDIO_EXTN_REG_SHIFT;
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alx_write_mem32(hw, ALX_MDIO_EXTN, val);
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val = ALX_MDIO_SPRES_PRMBL |
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clk_sel << ALX_MDIO_CLK_SEL_SHIFT |
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phy_data << ALX_MDIO_DATA_SHIFT |
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ALX_MDIO_START | ALX_MDIO_MODE_EXT;
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} else {
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val = ALX_MDIO_SPRES_PRMBL |
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clk_sel << ALX_MDIO_CLK_SEL_SHIFT |
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reg << ALX_MDIO_REG_SHIFT |
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phy_data << ALX_MDIO_DATA_SHIFT |
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ALX_MDIO_START;
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}
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alx_write_mem32(hw, ALX_MDIO, val);
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return alx_wait_mdio_idle(hw);
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}
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static int __alx_read_phy_reg(struct alx_hw *hw, u16 reg, u16 *phy_data)
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{
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return alx_read_phy_core(hw, false, 0, reg, phy_data);
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}
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static int __alx_write_phy_reg(struct alx_hw *hw, u16 reg, u16 phy_data)
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{
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return alx_write_phy_core(hw, false, 0, reg, phy_data);
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}
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static int __alx_read_phy_ext(struct alx_hw *hw, u8 dev, u16 reg, u16 *pdata)
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{
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return alx_read_phy_core(hw, true, dev, reg, pdata);
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}
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static int __alx_write_phy_ext(struct alx_hw *hw, u8 dev, u16 reg, u16 data)
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{
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return alx_write_phy_core(hw, true, dev, reg, data);
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}
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static int __alx_read_phy_dbg(struct alx_hw *hw, u16 reg, u16 *pdata)
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{
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int err;
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err = __alx_write_phy_reg(hw, ALX_MII_DBG_ADDR, reg);
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if (err)
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return err;
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return __alx_read_phy_reg(hw, ALX_MII_DBG_DATA, pdata);
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}
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static int __alx_write_phy_dbg(struct alx_hw *hw, u16 reg, u16 data)
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{
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int err;
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err = __alx_write_phy_reg(hw, ALX_MII_DBG_ADDR, reg);
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if (err)
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return err;
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return __alx_write_phy_reg(hw, ALX_MII_DBG_DATA, data);
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}
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int alx_read_phy_reg(struct alx_hw *hw, u16 reg, u16 *phy_data)
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{
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int err;
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spin_lock(&hw->mdio_lock);
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err = __alx_read_phy_reg(hw, reg, phy_data);
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spin_unlock(&hw->mdio_lock);
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return err;
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}
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int alx_write_phy_reg(struct alx_hw *hw, u16 reg, u16 phy_data)
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{
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int err;
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spin_lock(&hw->mdio_lock);
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err = __alx_write_phy_reg(hw, reg, phy_data);
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spin_unlock(&hw->mdio_lock);
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return err;
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}
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int alx_read_phy_ext(struct alx_hw *hw, u8 dev, u16 reg, u16 *pdata)
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{
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int err;
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spin_lock(&hw->mdio_lock);
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err = __alx_read_phy_ext(hw, dev, reg, pdata);
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spin_unlock(&hw->mdio_lock);
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return err;
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}
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int alx_write_phy_ext(struct alx_hw *hw, u8 dev, u16 reg, u16 data)
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{
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int err;
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spin_lock(&hw->mdio_lock);
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err = __alx_write_phy_ext(hw, dev, reg, data);
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spin_unlock(&hw->mdio_lock);
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return err;
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}
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static int alx_read_phy_dbg(struct alx_hw *hw, u16 reg, u16 *pdata)
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{
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int err;
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spin_lock(&hw->mdio_lock);
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err = __alx_read_phy_dbg(hw, reg, pdata);
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spin_unlock(&hw->mdio_lock);
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return err;
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}
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static int alx_write_phy_dbg(struct alx_hw *hw, u16 reg, u16 data)
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{
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int err;
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spin_lock(&hw->mdio_lock);
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err = __alx_write_phy_dbg(hw, reg, data);
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spin_unlock(&hw->mdio_lock);
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return err;
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}
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static u16 alx_get_phy_config(struct alx_hw *hw)
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{
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u32 val;
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u16 phy_val;
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val = alx_read_mem32(hw, ALX_PHY_CTRL);
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/* phy in reset */
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if ((val & ALX_PHY_CTRL_DSPRST_OUT) == 0)
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return ALX_DRV_PHY_UNKNOWN;
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val = alx_read_mem32(hw, ALX_DRV);
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val = ALX_GET_FIELD(val, ALX_DRV_PHY);
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if (ALX_DRV_PHY_UNKNOWN == val)
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return ALX_DRV_PHY_UNKNOWN;
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alx_read_phy_reg(hw, ALX_MII_DBG_ADDR, &phy_val);
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if (ALX_PHY_INITED == phy_val)
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return val;
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return ALX_DRV_PHY_UNKNOWN;
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}
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static bool alx_wait_reg(struct alx_hw *hw, u32 reg, u32 wait, u32 *val)
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{
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u32 read;
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int i;
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for (i = 0; i < ALX_SLD_MAX_TO; i++) {
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read = alx_read_mem32(hw, reg);
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if ((read & wait) == 0) {
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if (val)
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*val = read;
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return true;
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}
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mdelay(1);
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}
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return false;
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}
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static bool alx_read_macaddr(struct alx_hw *hw, u8 *addr)
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{
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u32 mac0, mac1;
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mac0 = alx_read_mem32(hw, ALX_STAD0);
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mac1 = alx_read_mem32(hw, ALX_STAD1);
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/* addr should be big-endian */
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put_unaligned(cpu_to_be32(mac0), (__be32 *)(addr + 2));
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put_unaligned(cpu_to_be16(mac1), (__be16 *)addr);
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return is_valid_ether_addr(addr);
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}
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int alx_get_perm_macaddr(struct alx_hw *hw, u8 *addr)
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{
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u32 val;
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/* try to get it from register first */
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if (alx_read_macaddr(hw, addr))
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return 0;
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/* try to load from efuse */
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if (!alx_wait_reg(hw, ALX_SLD, ALX_SLD_STAT | ALX_SLD_START, &val))
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return -EIO;
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alx_write_mem32(hw, ALX_SLD, val | ALX_SLD_START);
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if (!alx_wait_reg(hw, ALX_SLD, ALX_SLD_START, NULL))
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return -EIO;
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if (alx_read_macaddr(hw, addr))
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return 0;
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/* try to load from flash/eeprom (if present) */
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val = alx_read_mem32(hw, ALX_EFLD);
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if (val & (ALX_EFLD_F_EXIST | ALX_EFLD_E_EXIST)) {
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if (!alx_wait_reg(hw, ALX_EFLD,
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ALX_EFLD_STAT | ALX_EFLD_START, &val))
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return -EIO;
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alx_write_mem32(hw, ALX_EFLD, val | ALX_EFLD_START);
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if (!alx_wait_reg(hw, ALX_EFLD, ALX_EFLD_START, NULL))
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return -EIO;
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if (alx_read_macaddr(hw, addr))
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return 0;
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}
|
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|
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return -EIO;
|
||
|
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}
|
||
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|
||
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void alx_set_macaddr(struct alx_hw *hw, const u8 *addr)
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{
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|
u32 val;
|
||
|
|
|
||
|
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/* for example: 00-0B-6A-F6-00-DC * STAD0=6AF600DC, STAD1=000B */
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val = be32_to_cpu(get_unaligned((__be32 *)(addr + 2)));
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alx_write_mem32(hw, ALX_STAD0, val);
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val = be16_to_cpu(get_unaligned((__be16 *)addr));
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alx_write_mem32(hw, ALX_STAD1, val);
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||
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}
|
||
|
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|
||
|
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static void alx_reset_osc(struct alx_hw *hw, u8 rev)
|
||
|
|
{
|
||
|
|
u32 val, val2;
|
||
|
|
|
||
|
|
/* clear Internal OSC settings, switching OSC by hw itself */
|
||
|
|
val = alx_read_mem32(hw, ALX_MISC3);
|
||
|
|
alx_write_mem32(hw, ALX_MISC3,
|
||
|
|
(val & ~ALX_MISC3_25M_BY_SW) |
|
||
|
|
ALX_MISC3_25M_NOTO_INTNL);
|
||
|
|
|
||
|
|
/* 25M clk from chipset may be unstable 1s after de-assert of
|
||
|
|
* PERST, driver need re-calibrate before enter Sleep for WoL
|
||
|
|
*/
|
||
|
|
val = alx_read_mem32(hw, ALX_MISC);
|
||
|
|
if (rev >= ALX_REV_B0) {
|
||
|
|
/* restore over current protection def-val,
|
||
|
|
* this val could be reset by MAC-RST
|
||
|
|
*/
|
||
|
|
ALX_SET_FIELD(val, ALX_MISC_PSW_OCP, ALX_MISC_PSW_OCP_DEF);
|
||
|
|
/* a 0->1 change will update the internal val of osc */
|
||
|
|
val &= ~ALX_MISC_INTNLOSC_OPEN;
|
||
|
|
alx_write_mem32(hw, ALX_MISC, val);
|
||
|
|
alx_write_mem32(hw, ALX_MISC, val | ALX_MISC_INTNLOSC_OPEN);
|
||
|
|
/* hw will automatically dis OSC after cab. */
|
||
|
|
val2 = alx_read_mem32(hw, ALX_MSIC2);
|
||
|
|
val2 &= ~ALX_MSIC2_CALB_START;
|
||
|
|
alx_write_mem32(hw, ALX_MSIC2, val2);
|
||
|
|
alx_write_mem32(hw, ALX_MSIC2, val2 | ALX_MSIC2_CALB_START);
|
||
|
|
} else {
|
||
|
|
val &= ~ALX_MISC_INTNLOSC_OPEN;
|
||
|
|
/* disable isolate for rev A devices */
|
||
|
|
if (alx_is_rev_a(rev))
|
||
|
|
val &= ~ALX_MISC_ISO_EN;
|
||
|
|
|
||
|
|
alx_write_mem32(hw, ALX_MISC, val | ALX_MISC_INTNLOSC_OPEN);
|
||
|
|
alx_write_mem32(hw, ALX_MISC, val);
|
||
|
|
}
|
||
|
|
|
||
|
|
udelay(20);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int alx_stop_mac(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u32 rxq, txq, val;
|
||
|
|
u16 i;
|
||
|
|
|
||
|
|
rxq = alx_read_mem32(hw, ALX_RXQ0);
|
||
|
|
alx_write_mem32(hw, ALX_RXQ0, rxq & ~ALX_RXQ0_EN);
|
||
|
|
txq = alx_read_mem32(hw, ALX_TXQ0);
|
||
|
|
alx_write_mem32(hw, ALX_TXQ0, txq & ~ALX_TXQ0_EN);
|
||
|
|
|
||
|
|
udelay(40);
|
||
|
|
|
||
|
|
hw->rx_ctrl &= ~(ALX_MAC_CTRL_RX_EN | ALX_MAC_CTRL_TX_EN);
|
||
|
|
alx_write_mem32(hw, ALX_MAC_CTRL, hw->rx_ctrl);
|
||
|
|
|
||
|
|
for (i = 0; i < ALX_DMA_MAC_RST_TO; i++) {
|
||
|
|
val = alx_read_mem32(hw, ALX_MAC_STS);
|
||
|
|
if (!(val & ALX_MAC_STS_IDLE))
|
||
|
|
return 0;
|
||
|
|
udelay(10);
|
||
|
|
}
|
||
|
|
|
||
|
|
return -ETIMEDOUT;
|
||
|
|
}
|
||
|
|
|
||
|
|
int alx_reset_mac(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u32 val, pmctrl;
|
||
|
|
int i, ret;
|
||
|
|
u8 rev;
|
||
|
|
bool a_cr;
|
||
|
|
|
||
|
|
pmctrl = 0;
|
||
|
|
rev = alx_hw_revision(hw);
|
||
|
|
a_cr = alx_is_rev_a(rev) && alx_hw_with_cr(hw);
|
||
|
|
|
||
|
|
/* disable all interrupts, RXQ/TXQ */
|
||
|
|
alx_write_mem32(hw, ALX_MSIX_MASK, 0xFFFFFFFF);
|
||
|
|
alx_write_mem32(hw, ALX_IMR, 0);
|
||
|
|
alx_write_mem32(hw, ALX_ISR, ALX_ISR_DIS);
|
||
|
|
|
||
|
|
ret = alx_stop_mac(hw);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
/* mac reset workaroud */
|
||
|
|
alx_write_mem32(hw, ALX_RFD_PIDX, 1);
|
||
|
|
|
||
|
|
/* dis l0s/l1 before mac reset */
|
||
|
|
if (a_cr) {
|
||
|
|
pmctrl = alx_read_mem32(hw, ALX_PMCTRL);
|
||
|
|
if (pmctrl & (ALX_PMCTRL_L1_EN | ALX_PMCTRL_L0S_EN))
|
||
|
|
alx_write_mem32(hw, ALX_PMCTRL,
|
||
|
|
pmctrl & ~(ALX_PMCTRL_L1_EN |
|
||
|
|
ALX_PMCTRL_L0S_EN));
|
||
|
|
}
|
||
|
|
|
||
|
|
/* reset whole mac safely */
|
||
|
|
val = alx_read_mem32(hw, ALX_MASTER);
|
||
|
|
alx_write_mem32(hw, ALX_MASTER,
|
||
|
|
val | ALX_MASTER_DMA_MAC_RST | ALX_MASTER_OOB_DIS);
|
||
|
|
|
||
|
|
/* make sure it's real idle */
|
||
|
|
udelay(10);
|
||
|
|
for (i = 0; i < ALX_DMA_MAC_RST_TO; i++) {
|
||
|
|
val = alx_read_mem32(hw, ALX_RFD_PIDX);
|
||
|
|
if (val == 0)
|
||
|
|
break;
|
||
|
|
udelay(10);
|
||
|
|
}
|
||
|
|
for (; i < ALX_DMA_MAC_RST_TO; i++) {
|
||
|
|
val = alx_read_mem32(hw, ALX_MASTER);
|
||
|
|
if ((val & ALX_MASTER_DMA_MAC_RST) == 0)
|
||
|
|
break;
|
||
|
|
udelay(10);
|
||
|
|
}
|
||
|
|
if (i == ALX_DMA_MAC_RST_TO)
|
||
|
|
return -EIO;
|
||
|
|
udelay(10);
|
||
|
|
|
||
|
|
if (a_cr) {
|
||
|
|
alx_write_mem32(hw, ALX_MASTER, val | ALX_MASTER_PCLKSEL_SRDS);
|
||
|
|
/* restore l0s / l1 */
|
||
|
|
if (pmctrl & (ALX_PMCTRL_L1_EN | ALX_PMCTRL_L0S_EN))
|
||
|
|
alx_write_mem32(hw, ALX_PMCTRL, pmctrl);
|
||
|
|
}
|
||
|
|
|
||
|
|
alx_reset_osc(hw, rev);
|
||
|
|
|
||
|
|
/* clear Internal OSC settings, switching OSC by hw itself,
|
||
|
|
* disable isolate for rev A devices
|
||
|
|
*/
|
||
|
|
val = alx_read_mem32(hw, ALX_MISC3);
|
||
|
|
alx_write_mem32(hw, ALX_MISC3,
|
||
|
|
(val & ~ALX_MISC3_25M_BY_SW) |
|
||
|
|
ALX_MISC3_25M_NOTO_INTNL);
|
||
|
|
val = alx_read_mem32(hw, ALX_MISC);
|
||
|
|
val &= ~ALX_MISC_INTNLOSC_OPEN;
|
||
|
|
if (alx_is_rev_a(rev))
|
||
|
|
val &= ~ALX_MISC_ISO_EN;
|
||
|
|
alx_write_mem32(hw, ALX_MISC, val);
|
||
|
|
udelay(20);
|
||
|
|
|
||
|
|
/* driver control speed/duplex, hash-alg */
|
||
|
|
alx_write_mem32(hw, ALX_MAC_CTRL, hw->rx_ctrl);
|
||
|
|
|
||
|
|
val = alx_read_mem32(hw, ALX_SERDES);
|
||
|
|
alx_write_mem32(hw, ALX_SERDES,
|
||
|
|
val | ALX_SERDES_MACCLK_SLWDWN |
|
||
|
|
ALX_SERDES_PHYCLK_SLWDWN);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void alx_reset_phy(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
u32 val;
|
||
|
|
u16 phy_val;
|
||
|
|
|
||
|
|
/* (DSP)reset PHY core */
|
||
|
|
val = alx_read_mem32(hw, ALX_PHY_CTRL);
|
||
|
|
val &= ~(ALX_PHY_CTRL_DSPRST_OUT | ALX_PHY_CTRL_IDDQ |
|
||
|
|
ALX_PHY_CTRL_GATE_25M | ALX_PHY_CTRL_POWER_DOWN |
|
||
|
|
ALX_PHY_CTRL_CLS);
|
||
|
|
val |= ALX_PHY_CTRL_RST_ANALOG;
|
||
|
|
|
||
|
|
val |= (ALX_PHY_CTRL_HIB_PULSE | ALX_PHY_CTRL_HIB_EN);
|
||
|
|
alx_write_mem32(hw, ALX_PHY_CTRL, val);
|
||
|
|
udelay(10);
|
||
|
|
alx_write_mem32(hw, ALX_PHY_CTRL, val | ALX_PHY_CTRL_DSPRST_OUT);
|
||
|
|
|
||
|
|
for (i = 0; i < ALX_PHY_CTRL_DSPRST_TO; i++)
|
||
|
|
udelay(10);
|
||
|
|
|
||
|
|
/* phy power saving & hib */
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_LEGCYPS, ALX_LEGCYPS_DEF);
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_SYSMODCTRL,
|
||
|
|
ALX_SYSMODCTRL_IECHOADJ_DEF);
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_VDRVBIAS,
|
||
|
|
ALX_VDRVBIAS_DEF);
|
||
|
|
|
||
|
|
/* EEE advertisement */
|
||
|
|
val = alx_read_mem32(hw, ALX_LPI_CTRL);
|
||
|
|
alx_write_mem32(hw, ALX_LPI_CTRL, val & ~ALX_LPI_CTRL_EN);
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_LOCAL_EEEADV, 0);
|
||
|
|
|
||
|
|
/* phy power saving */
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_TST10BTCFG, ALX_TST10BTCFG_DEF);
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_SRDSYSMOD, ALX_SRDSYSMOD_DEF);
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_TST100BTCFG, ALX_TST100BTCFG_DEF);
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_ANACTRL, ALX_ANACTRL_DEF);
|
||
|
|
alx_read_phy_dbg(hw, ALX_MIIDBG_GREENCFG2, &phy_val);
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_GREENCFG2,
|
||
|
|
phy_val & ~ALX_GREENCFG2_GATE_DFSE_EN);
|
||
|
|
/* rtl8139c, 120m issue */
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_NLP78,
|
||
|
|
ALX_MIIEXT_NLP78_120M_DEF);
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_S3DIG10,
|
||
|
|
ALX_MIIEXT_S3DIG10_DEF);
|
||
|
|
|
||
|
|
if (hw->lnk_patch) {
|
||
|
|
/* Turn off half amplitude */
|
||
|
|
alx_read_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL3,
|
||
|
|
&phy_val);
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL3,
|
||
|
|
phy_val | ALX_CLDCTRL3_BP_CABLE1TH_DET_GT);
|
||
|
|
/* Turn off Green feature */
|
||
|
|
alx_read_phy_dbg(hw, ALX_MIIDBG_GREENCFG2, &phy_val);
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_GREENCFG2,
|
||
|
|
phy_val | ALX_GREENCFG2_BP_GREEN);
|
||
|
|
/* Turn off half Bias */
|
||
|
|
alx_read_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL5,
|
||
|
|
&phy_val);
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL5,
|
||
|
|
phy_val | ALX_CLDCTRL5_BP_VD_HLFBIAS);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* set phy interrupt mask */
|
||
|
|
alx_write_phy_reg(hw, ALX_MII_IER, ALX_IER_LINK_UP | ALX_IER_LINK_DOWN);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define ALX_PCI_CMD (PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO)
|
||
|
|
|
||
|
|
void alx_reset_pcie(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u8 rev = alx_hw_revision(hw);
|
||
|
|
u32 val;
|
||
|
|
u16 val16;
|
||
|
|
|
||
|
|
/* Workaround for PCI problem when BIOS sets MMRBC incorrectly. */
|
||
|
|
pci_read_config_word(hw->pdev, PCI_COMMAND, &val16);
|
||
|
|
if (!(val16 & ALX_PCI_CMD) || (val16 & PCI_COMMAND_INTX_DISABLE)) {
|
||
|
|
val16 = (val16 | ALX_PCI_CMD) & ~PCI_COMMAND_INTX_DISABLE;
|
||
|
|
pci_write_config_word(hw->pdev, PCI_COMMAND, val16);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* clear WoL setting/status */
|
||
|
|
val = alx_read_mem32(hw, ALX_WOL0);
|
||
|
|
alx_write_mem32(hw, ALX_WOL0, 0);
|
||
|
|
|
||
|
|
val = alx_read_mem32(hw, ALX_PDLL_TRNS1);
|
||
|
|
alx_write_mem32(hw, ALX_PDLL_TRNS1, val & ~ALX_PDLL_TRNS1_D3PLLOFF_EN);
|
||
|
|
|
||
|
|
/* mask some pcie error bits */
|
||
|
|
val = alx_read_mem32(hw, ALX_UE_SVRT);
|
||
|
|
val &= ~(ALX_UE_SVRT_DLPROTERR | ALX_UE_SVRT_FCPROTERR);
|
||
|
|
alx_write_mem32(hw, ALX_UE_SVRT, val);
|
||
|
|
|
||
|
|
/* wol 25M & pclk */
|
||
|
|
val = alx_read_mem32(hw, ALX_MASTER);
|
||
|
|
if (alx_is_rev_a(rev) && alx_hw_with_cr(hw)) {
|
||
|
|
if ((val & ALX_MASTER_WAKEN_25M) == 0 ||
|
||
|
|
(val & ALX_MASTER_PCLKSEL_SRDS) == 0)
|
||
|
|
alx_write_mem32(hw, ALX_MASTER,
|
||
|
|
val | ALX_MASTER_PCLKSEL_SRDS |
|
||
|
|
ALX_MASTER_WAKEN_25M);
|
||
|
|
} else {
|
||
|
|
if ((val & ALX_MASTER_WAKEN_25M) == 0 ||
|
||
|
|
(val & ALX_MASTER_PCLKSEL_SRDS) != 0)
|
||
|
|
alx_write_mem32(hw, ALX_MASTER,
|
||
|
|
(val & ~ALX_MASTER_PCLKSEL_SRDS) |
|
||
|
|
ALX_MASTER_WAKEN_25M);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ASPM setting */
|
||
|
|
alx_enable_aspm(hw, true, true);
|
||
|
|
|
||
|
|
udelay(10);
|
||
|
|
}
|
||
|
|
|
||
|
|
void alx_start_mac(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u32 mac, txq, rxq;
|
||
|
|
|
||
|
|
rxq = alx_read_mem32(hw, ALX_RXQ0);
|
||
|
|
alx_write_mem32(hw, ALX_RXQ0, rxq | ALX_RXQ0_EN);
|
||
|
|
txq = alx_read_mem32(hw, ALX_TXQ0);
|
||
|
|
alx_write_mem32(hw, ALX_TXQ0, txq | ALX_TXQ0_EN);
|
||
|
|
|
||
|
|
mac = hw->rx_ctrl;
|
||
|
|
if (hw->duplex == DUPLEX_FULL)
|
||
|
|
mac |= ALX_MAC_CTRL_FULLD;
|
||
|
|
else
|
||
|
|
mac &= ~ALX_MAC_CTRL_FULLD;
|
||
|
|
ALX_SET_FIELD(mac, ALX_MAC_CTRL_SPEED,
|
||
|
|
hw->link_speed == SPEED_1000 ? ALX_MAC_CTRL_SPEED_1000 :
|
||
|
|
ALX_MAC_CTRL_SPEED_10_100);
|
||
|
|
mac |= ALX_MAC_CTRL_TX_EN | ALX_MAC_CTRL_RX_EN;
|
||
|
|
hw->rx_ctrl = mac;
|
||
|
|
alx_write_mem32(hw, ALX_MAC_CTRL, mac);
|
||
|
|
}
|
||
|
|
|
||
|
|
void alx_cfg_mac_flowcontrol(struct alx_hw *hw, u8 fc)
|
||
|
|
{
|
||
|
|
if (fc & ALX_FC_RX)
|
||
|
|
hw->rx_ctrl |= ALX_MAC_CTRL_RXFC_EN;
|
||
|
|
else
|
||
|
|
hw->rx_ctrl &= ~ALX_MAC_CTRL_RXFC_EN;
|
||
|
|
|
||
|
|
if (fc & ALX_FC_TX)
|
||
|
|
hw->rx_ctrl |= ALX_MAC_CTRL_TXFC_EN;
|
||
|
|
else
|
||
|
|
hw->rx_ctrl &= ~ALX_MAC_CTRL_TXFC_EN;
|
||
|
|
|
||
|
|
alx_write_mem32(hw, ALX_MAC_CTRL, hw->rx_ctrl);
|
||
|
|
}
|
||
|
|
|
||
|
|
void alx_enable_aspm(struct alx_hw *hw, bool l0s_en, bool l1_en)
|
||
|
|
{
|
||
|
|
u32 pmctrl;
|
||
|
|
u8 rev = alx_hw_revision(hw);
|
||
|
|
|
||
|
|
pmctrl = alx_read_mem32(hw, ALX_PMCTRL);
|
||
|
|
|
||
|
|
ALX_SET_FIELD(pmctrl, ALX_PMCTRL_LCKDET_TIMER,
|
||
|
|
ALX_PMCTRL_LCKDET_TIMER_DEF);
|
||
|
|
pmctrl |= ALX_PMCTRL_RCVR_WT_1US |
|
||
|
|
ALX_PMCTRL_L1_CLKSW_EN |
|
||
|
|
ALX_PMCTRL_L1_SRDSRX_PWD;
|
||
|
|
ALX_SET_FIELD(pmctrl, ALX_PMCTRL_L1REQ_TO, ALX_PMCTRL_L1REG_TO_DEF);
|
||
|
|
ALX_SET_FIELD(pmctrl, ALX_PMCTRL_L1_TIMER, ALX_PMCTRL_L1_TIMER_16US);
|
||
|
|
pmctrl &= ~(ALX_PMCTRL_L1_SRDS_EN |
|
||
|
|
ALX_PMCTRL_L1_SRDSPLL_EN |
|
||
|
|
ALX_PMCTRL_L1_BUFSRX_EN |
|
||
|
|
ALX_PMCTRL_SADLY_EN |
|
||
|
|
ALX_PMCTRL_HOTRST_WTEN|
|
||
|
|
ALX_PMCTRL_L0S_EN |
|
||
|
|
ALX_PMCTRL_L1_EN |
|
||
|
|
ALX_PMCTRL_ASPM_FCEN |
|
||
|
|
ALX_PMCTRL_TXL1_AFTER_L0S |
|
||
|
|
ALX_PMCTRL_RXL1_AFTER_L0S);
|
||
|
|
if (alx_is_rev_a(rev) && alx_hw_with_cr(hw))
|
||
|
|
pmctrl |= ALX_PMCTRL_L1_SRDS_EN | ALX_PMCTRL_L1_SRDSPLL_EN;
|
||
|
|
|
||
|
|
if (l0s_en)
|
||
|
|
pmctrl |= (ALX_PMCTRL_L0S_EN | ALX_PMCTRL_ASPM_FCEN);
|
||
|
|
if (l1_en)
|
||
|
|
pmctrl |= (ALX_PMCTRL_L1_EN | ALX_PMCTRL_ASPM_FCEN);
|
||
|
|
|
||
|
|
alx_write_mem32(hw, ALX_PMCTRL, pmctrl);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static u32 ethadv_to_hw_cfg(struct alx_hw *hw, u32 ethadv_cfg)
|
||
|
|
{
|
||
|
|
u32 cfg = 0;
|
||
|
|
|
||
|
|
if (ethadv_cfg & ADVERTISED_Autoneg) {
|
||
|
|
cfg |= ALX_DRV_PHY_AUTO;
|
||
|
|
if (ethadv_cfg & ADVERTISED_10baseT_Half)
|
||
|
|
cfg |= ALX_DRV_PHY_10;
|
||
|
|
if (ethadv_cfg & ADVERTISED_10baseT_Full)
|
||
|
|
cfg |= ALX_DRV_PHY_10 | ALX_DRV_PHY_DUPLEX;
|
||
|
|
if (ethadv_cfg & ADVERTISED_100baseT_Half)
|
||
|
|
cfg |= ALX_DRV_PHY_100;
|
||
|
|
if (ethadv_cfg & ADVERTISED_100baseT_Full)
|
||
|
|
cfg |= ALX_DRV_PHY_100 | ALX_DRV_PHY_DUPLEX;
|
||
|
|
if (ethadv_cfg & ADVERTISED_1000baseT_Half)
|
||
|
|
cfg |= ALX_DRV_PHY_1000;
|
||
|
|
if (ethadv_cfg & ADVERTISED_1000baseT_Full)
|
||
|
|
cfg |= ALX_DRV_PHY_100 | ALX_DRV_PHY_DUPLEX;
|
||
|
|
if (ethadv_cfg & ADVERTISED_Pause)
|
||
|
|
cfg |= ADVERTISE_PAUSE_CAP;
|
||
|
|
if (ethadv_cfg & ADVERTISED_Asym_Pause)
|
||
|
|
cfg |= ADVERTISE_PAUSE_ASYM;
|
||
|
|
} else {
|
||
|
|
switch (ethadv_cfg) {
|
||
|
|
case ADVERTISED_10baseT_Half:
|
||
|
|
cfg |= ALX_DRV_PHY_10;
|
||
|
|
break;
|
||
|
|
case ADVERTISED_100baseT_Half:
|
||
|
|
cfg |= ALX_DRV_PHY_100;
|
||
|
|
break;
|
||
|
|
case ADVERTISED_10baseT_Full:
|
||
|
|
cfg |= ALX_DRV_PHY_10 | ALX_DRV_PHY_DUPLEX;
|
||
|
|
break;
|
||
|
|
case ADVERTISED_100baseT_Full:
|
||
|
|
cfg |= ALX_DRV_PHY_100 | ALX_DRV_PHY_DUPLEX;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return cfg;
|
||
|
|
}
|
||
|
|
|
||
|
|
int alx_setup_speed_duplex(struct alx_hw *hw, u32 ethadv, u8 flowctrl)
|
||
|
|
{
|
||
|
|
u16 adv, giga, cr;
|
||
|
|
u32 val;
|
||
|
|
int err = 0;
|
||
|
|
|
||
|
|
alx_write_phy_reg(hw, ALX_MII_DBG_ADDR, 0);
|
||
|
|
val = alx_read_mem32(hw, ALX_DRV);
|
||
|
|
ALX_SET_FIELD(val, ALX_DRV_PHY, 0);
|
||
|
|
|
||
|
|
if (ethadv & ADVERTISED_Autoneg) {
|
||
|
|
adv = ADVERTISE_CSMA;
|
||
|
|
adv |= ethtool_adv_to_mii_adv_t(ethadv);
|
||
|
|
|
||
|
|
if (flowctrl & ALX_FC_ANEG) {
|
||
|
|
if (flowctrl & ALX_FC_RX) {
|
||
|
|
adv |= ADVERTISED_Pause;
|
||
|
|
if (!(flowctrl & ALX_FC_TX))
|
||
|
|
adv |= ADVERTISED_Asym_Pause;
|
||
|
|
} else if (flowctrl & ALX_FC_TX) {
|
||
|
|
adv |= ADVERTISED_Asym_Pause;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
giga = 0;
|
||
|
|
if (alx_hw_giga(hw))
|
||
|
|
giga = ethtool_adv_to_mii_ctrl1000_t(ethadv);
|
||
|
|
|
||
|
|
cr = BMCR_RESET | BMCR_ANENABLE | BMCR_ANRESTART;
|
||
|
|
|
||
|
|
if (alx_write_phy_reg(hw, MII_ADVERTISE, adv) ||
|
||
|
|
alx_write_phy_reg(hw, MII_CTRL1000, giga) ||
|
||
|
|
alx_write_phy_reg(hw, MII_BMCR, cr))
|
||
|
|
err = -EBUSY;
|
||
|
|
} else {
|
||
|
|
cr = BMCR_RESET;
|
||
|
|
if (ethadv == ADVERTISED_100baseT_Half ||
|
||
|
|
ethadv == ADVERTISED_100baseT_Full)
|
||
|
|
cr |= BMCR_SPEED100;
|
||
|
|
if (ethadv == ADVERTISED_10baseT_Full ||
|
||
|
|
ethadv == ADVERTISED_100baseT_Full)
|
||
|
|
cr |= BMCR_FULLDPLX;
|
||
|
|
|
||
|
|
err = alx_write_phy_reg(hw, MII_BMCR, cr);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!err) {
|
||
|
|
alx_write_phy_reg(hw, ALX_MII_DBG_ADDR, ALX_PHY_INITED);
|
||
|
|
val |= ethadv_to_hw_cfg(hw, ethadv);
|
||
|
|
}
|
||
|
|
|
||
|
|
alx_write_mem32(hw, ALX_DRV, val);
|
||
|
|
|
||
|
|
return err;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void alx_post_phy_link(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u16 phy_val, len, agc;
|
||
|
|
u8 revid = alx_hw_revision(hw);
|
||
|
|
bool adj_th = revid == ALX_REV_B0;
|
||
|
|
|
||
|
|
if (revid != ALX_REV_B0 && !alx_is_rev_a(revid))
|
||
|
|
return;
|
||
|
|
|
||
|
|
/* 1000BT/AZ, wrong cable length */
|
||
|
|
if (hw->link_speed != SPEED_UNKNOWN) {
|
||
|
|
alx_read_phy_ext(hw, ALX_MIIEXT_PCS, ALX_MIIEXT_CLDCTRL6,
|
||
|
|
&phy_val);
|
||
|
|
len = ALX_GET_FIELD(phy_val, ALX_CLDCTRL6_CAB_LEN);
|
||
|
|
alx_read_phy_dbg(hw, ALX_MIIDBG_AGC, &phy_val);
|
||
|
|
agc = ALX_GET_FIELD(phy_val, ALX_AGC_2_VGA);
|
||
|
|
|
||
|
|
if ((hw->link_speed == SPEED_1000 &&
|
||
|
|
(len > ALX_CLDCTRL6_CAB_LEN_SHORT1G ||
|
||
|
|
(len == 0 && agc > ALX_AGC_LONG1G_LIMT))) ||
|
||
|
|
(hw->link_speed == SPEED_100 &&
|
||
|
|
(len > ALX_CLDCTRL6_CAB_LEN_SHORT100M ||
|
||
|
|
(len == 0 && agc > ALX_AGC_LONG100M_LIMT)))) {
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_AZ_ANADECT,
|
||
|
|
ALX_AZ_ANADECT_LONG);
|
||
|
|
alx_read_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_AFE,
|
||
|
|
&phy_val);
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_AFE,
|
||
|
|
phy_val | ALX_AFE_10BT_100M_TH);
|
||
|
|
} else {
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_AZ_ANADECT,
|
||
|
|
ALX_AZ_ANADECT_DEF);
|
||
|
|
alx_read_phy_ext(hw, ALX_MIIEXT_ANEG,
|
||
|
|
ALX_MIIEXT_AFE, &phy_val);
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_AFE,
|
||
|
|
phy_val & ~ALX_AFE_10BT_100M_TH);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* threshold adjust */
|
||
|
|
if (adj_th && hw->lnk_patch) {
|
||
|
|
if (hw->link_speed == SPEED_100) {
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_MSE16DB,
|
||
|
|
ALX_MSE16DB_UP);
|
||
|
|
} else if (hw->link_speed == SPEED_1000) {
|
||
|
|
/*
|
||
|
|
* Giga link threshold, raise the tolerance of
|
||
|
|
* noise 50%
|
||
|
|
*/
|
||
|
|
alx_read_phy_dbg(hw, ALX_MIIDBG_MSE20DB,
|
||
|
|
&phy_val);
|
||
|
|
ALX_SET_FIELD(phy_val, ALX_MSE20DB_TH,
|
||
|
|
ALX_MSE20DB_TH_HI);
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_MSE20DB,
|
||
|
|
phy_val);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
alx_read_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_AFE,
|
||
|
|
&phy_val);
|
||
|
|
alx_write_phy_ext(hw, ALX_MIIEXT_ANEG, ALX_MIIEXT_AFE,
|
||
|
|
phy_val & ~ALX_AFE_10BT_100M_TH);
|
||
|
|
|
||
|
|
if (adj_th && hw->lnk_patch) {
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_MSE16DB,
|
||
|
|
ALX_MSE16DB_DOWN);
|
||
|
|
alx_read_phy_dbg(hw, ALX_MIIDBG_MSE20DB, &phy_val);
|
||
|
|
ALX_SET_FIELD(phy_val, ALX_MSE20DB_TH,
|
||
|
|
ALX_MSE20DB_TH_DEF);
|
||
|
|
alx_write_phy_dbg(hw, ALX_MIIDBG_MSE20DB, phy_val);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
bool alx_phy_configured(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u32 cfg, hw_cfg;
|
||
|
|
|
||
|
|
cfg = ethadv_to_hw_cfg(hw, hw->adv_cfg);
|
||
|
|
cfg = ALX_GET_FIELD(cfg, ALX_DRV_PHY);
|
||
|
|
hw_cfg = alx_get_phy_config(hw);
|
||
|
|
|
||
|
|
if (hw_cfg == ALX_DRV_PHY_UNKNOWN)
|
||
|
|
return false;
|
||
|
|
|
||
|
|
return cfg == hw_cfg;
|
||
|
|
}
|
||
|
|
|
||
|
|
int alx_read_phy_link(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
struct pci_dev *pdev = hw->pdev;
|
||
|
|
u16 bmsr, giga;
|
||
|
|
int err;
|
||
|
|
|
||
|
|
err = alx_read_phy_reg(hw, MII_BMSR, &bmsr);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
err = alx_read_phy_reg(hw, MII_BMSR, &bmsr);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
if (!(bmsr & BMSR_LSTATUS)) {
|
||
|
|
hw->link_speed = SPEED_UNKNOWN;
|
||
|
|
hw->duplex = DUPLEX_UNKNOWN;
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* speed/duplex result is saved in PHY Specific Status Register */
|
||
|
|
err = alx_read_phy_reg(hw, ALX_MII_GIGA_PSSR, &giga);
|
||
|
|
if (err)
|
||
|
|
return err;
|
||
|
|
|
||
|
|
if (!(giga & ALX_GIGA_PSSR_SPD_DPLX_RESOLVED))
|
||
|
|
goto wrong_speed;
|
||
|
|
|
||
|
|
switch (giga & ALX_GIGA_PSSR_SPEED) {
|
||
|
|
case ALX_GIGA_PSSR_1000MBS:
|
||
|
|
hw->link_speed = SPEED_1000;
|
||
|
|
break;
|
||
|
|
case ALX_GIGA_PSSR_100MBS:
|
||
|
|
hw->link_speed = SPEED_100;
|
||
|
|
break;
|
||
|
|
case ALX_GIGA_PSSR_10MBS:
|
||
|
|
hw->link_speed = SPEED_10;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
goto wrong_speed;
|
||
|
|
}
|
||
|
|
|
||
|
|
hw->duplex = (giga & ALX_GIGA_PSSR_DPLX) ? DUPLEX_FULL : DUPLEX_HALF;
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
wrong_speed:
|
||
|
|
dev_err(&pdev->dev, "invalid PHY speed/duplex: 0x%x\n", giga);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
int alx_clear_phy_intr(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u16 isr;
|
||
|
|
|
||
|
|
/* clear interrupt status by reading it */
|
||
|
|
return alx_read_phy_reg(hw, ALX_MII_ISR, &isr);
|
||
|
|
}
|
||
|
|
|
||
|
|
void alx_disable_rss(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u32 ctrl = alx_read_mem32(hw, ALX_RXQ0);
|
||
|
|
|
||
|
|
ctrl &= ~ALX_RXQ0_RSS_HASH_EN;
|
||
|
|
alx_write_mem32(hw, ALX_RXQ0, ctrl);
|
||
|
|
}
|
||
|
|
|
||
|
|
void alx_configure_basic(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u32 val, raw_mtu, max_payload;
|
||
|
|
u16 val16;
|
||
|
|
u8 chip_rev = alx_hw_revision(hw);
|
||
|
|
|
||
|
|
alx_set_macaddr(hw, hw->mac_addr);
|
||
|
|
|
||
|
|
alx_write_mem32(hw, ALX_CLK_GATE, ALX_CLK_GATE_ALL);
|
||
|
|
|
||
|
|
/* idle timeout to switch clk_125M */
|
||
|
|
if (chip_rev >= ALX_REV_B0)
|
||
|
|
alx_write_mem32(hw, ALX_IDLE_DECISN_TIMER,
|
||
|
|
ALX_IDLE_DECISN_TIMER_DEF);
|
||
|
|
|
||
|
|
alx_write_mem32(hw, ALX_SMB_TIMER, hw->smb_timer * 500UL);
|
||
|
|
|
||
|
|
val = alx_read_mem32(hw, ALX_MASTER);
|
||
|
|
val |= ALX_MASTER_IRQMOD2_EN |
|
||
|
|
ALX_MASTER_IRQMOD1_EN |
|
||
|
|
ALX_MASTER_SYSALVTIMER_EN;
|
||
|
|
alx_write_mem32(hw, ALX_MASTER, val);
|
||
|
|
alx_write_mem32(hw, ALX_IRQ_MODU_TIMER,
|
||
|
|
(hw->imt >> 1) << ALX_IRQ_MODU_TIMER1_SHIFT);
|
||
|
|
/* intr re-trig timeout */
|
||
|
|
alx_write_mem32(hw, ALX_INT_RETRIG, ALX_INT_RETRIG_TO);
|
||
|
|
/* tpd threshold to trig int */
|
||
|
|
alx_write_mem32(hw, ALX_TINT_TPD_THRSHLD, hw->ith_tpd);
|
||
|
|
alx_write_mem32(hw, ALX_TINT_TIMER, hw->imt);
|
||
|
|
|
||
|
|
raw_mtu = ALX_RAW_MTU(hw->mtu);
|
||
|
|
alx_write_mem32(hw, ALX_MTU, raw_mtu);
|
||
|
|
if (raw_mtu > (ALX_MTU_JUMBO_TH + ETH_FCS_LEN + VLAN_HLEN))
|
||
|
|
hw->rx_ctrl &= ~ALX_MAC_CTRL_FAST_PAUSE;
|
||
|
|
|
||
|
|
if (raw_mtu < ALX_TXQ1_JUMBO_TSO_TH)
|
||
|
|
val = (raw_mtu + 7) >> 3;
|
||
|
|
else
|
||
|
|
val = ALX_TXQ1_JUMBO_TSO_TH >> 3;
|
||
|
|
alx_write_mem32(hw, ALX_TXQ1, val | ALX_TXQ1_ERRLGPKT_DROP_EN);
|
||
|
|
|
||
|
|
max_payload = pcie_get_readrq(hw->pdev) >> 8;
|
||
|
|
/*
|
||
|
|
* if BIOS had changed the default dma read max length,
|
||
|
|
* restore it to default value
|
||
|
|
*/
|
||
|
|
if (max_payload < ALX_DEV_CTRL_MAXRRS_MIN)
|
||
|
|
pcie_set_readrq(hw->pdev, 128 << ALX_DEV_CTRL_MAXRRS_MIN);
|
||
|
|
|
||
|
|
val = ALX_TXQ_TPD_BURSTPREF_DEF << ALX_TXQ0_TPD_BURSTPREF_SHIFT |
|
||
|
|
ALX_TXQ0_MODE_ENHANCE | ALX_TXQ0_LSO_8023_EN |
|
||
|
|
ALX_TXQ0_SUPT_IPOPT |
|
||
|
|
ALX_TXQ_TXF_BURST_PREF_DEF << ALX_TXQ0_TXF_BURST_PREF_SHIFT;
|
||
|
|
alx_write_mem32(hw, ALX_TXQ0, val);
|
||
|
|
val = ALX_TXQ_TPD_BURSTPREF_DEF << ALX_HQTPD_Q1_NUMPREF_SHIFT |
|
||
|
|
ALX_TXQ_TPD_BURSTPREF_DEF << ALX_HQTPD_Q2_NUMPREF_SHIFT |
|
||
|
|
ALX_TXQ_TPD_BURSTPREF_DEF << ALX_HQTPD_Q3_NUMPREF_SHIFT |
|
||
|
|
ALX_HQTPD_BURST_EN;
|
||
|
|
alx_write_mem32(hw, ALX_HQTPD, val);
|
||
|
|
|
||
|
|
/* rxq, flow control */
|
||
|
|
val = alx_read_mem32(hw, ALX_SRAM5);
|
||
|
|
val = ALX_GET_FIELD(val, ALX_SRAM_RXF_LEN) << 3;
|
||
|
|
if (val > ALX_SRAM_RXF_LEN_8K) {
|
||
|
|
val16 = ALX_MTU_STD_ALGN >> 3;
|
||
|
|
val = (val - ALX_RXQ2_RXF_FLOW_CTRL_RSVD) >> 3;
|
||
|
|
} else {
|
||
|
|
val16 = ALX_MTU_STD_ALGN >> 3;
|
||
|
|
val = (val - ALX_MTU_STD_ALGN) >> 3;
|
||
|
|
}
|
||
|
|
alx_write_mem32(hw, ALX_RXQ2,
|
||
|
|
val16 << ALX_RXQ2_RXF_XOFF_THRESH_SHIFT |
|
||
|
|
val << ALX_RXQ2_RXF_XON_THRESH_SHIFT);
|
||
|
|
val = ALX_RXQ0_NUM_RFD_PREF_DEF << ALX_RXQ0_NUM_RFD_PREF_SHIFT |
|
||
|
|
ALX_RXQ0_RSS_MODE_DIS << ALX_RXQ0_RSS_MODE_SHIFT |
|
||
|
|
ALX_RXQ0_IDT_TBL_SIZE_DEF << ALX_RXQ0_IDT_TBL_SIZE_SHIFT |
|
||
|
|
ALX_RXQ0_RSS_HSTYP_ALL | ALX_RXQ0_RSS_HASH_EN |
|
||
|
|
ALX_RXQ0_IPV6_PARSE_EN;
|
||
|
|
|
||
|
|
if (alx_hw_giga(hw))
|
||
|
|
ALX_SET_FIELD(val, ALX_RXQ0_ASPM_THRESH,
|
||
|
|
ALX_RXQ0_ASPM_THRESH_100M);
|
||
|
|
|
||
|
|
alx_write_mem32(hw, ALX_RXQ0, val);
|
||
|
|
|
||
|
|
val = alx_read_mem32(hw, ALX_DMA);
|
||
|
|
val = ALX_DMA_RORDER_MODE_OUT << ALX_DMA_RORDER_MODE_SHIFT |
|
||
|
|
ALX_DMA_RREQ_PRI_DATA |
|
||
|
|
max_payload << ALX_DMA_RREQ_BLEN_SHIFT |
|
||
|
|
ALX_DMA_WDLY_CNT_DEF << ALX_DMA_WDLY_CNT_SHIFT |
|
||
|
|
ALX_DMA_RDLY_CNT_DEF << ALX_DMA_RDLY_CNT_SHIFT |
|
||
|
|
(hw->dma_chnl - 1) << ALX_DMA_RCHNL_SEL_SHIFT;
|
||
|
|
alx_write_mem32(hw, ALX_DMA, val);
|
||
|
|
|
||
|
|
/* default multi-tx-q weights */
|
||
|
|
val = ALX_WRR_PRI_RESTRICT_NONE << ALX_WRR_PRI_SHIFT |
|
||
|
|
4 << ALX_WRR_PRI0_SHIFT |
|
||
|
|
4 << ALX_WRR_PRI1_SHIFT |
|
||
|
|
4 << ALX_WRR_PRI2_SHIFT |
|
||
|
|
4 << ALX_WRR_PRI3_SHIFT;
|
||
|
|
alx_write_mem32(hw, ALX_WRR, val);
|
||
|
|
}
|
||
|
|
|
||
|
|
void alx_mask_msix(struct alx_hw *hw, int index, bool mask)
|
||
|
|
{
|
||
|
|
u32 reg, val;
|
||
|
|
|
||
|
|
reg = ALX_MSIX_ENTRY_BASE + index * PCI_MSIX_ENTRY_SIZE +
|
||
|
|
PCI_MSIX_ENTRY_VECTOR_CTRL;
|
||
|
|
|
||
|
|
val = mask ? PCI_MSIX_ENTRY_CTRL_MASKBIT : 0;
|
||
|
|
|
||
|
|
alx_write_mem32(hw, reg, val);
|
||
|
|
alx_post_write(hw);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
bool alx_get_phy_info(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
u16 devs1, devs2;
|
||
|
|
|
||
|
|
if (alx_read_phy_reg(hw, MII_PHYSID1, &hw->phy_id[0]) ||
|
||
|
|
alx_read_phy_reg(hw, MII_PHYSID2, &hw->phy_id[1]))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
/* since we haven't PMA/PMD status2 register, we can't
|
||
|
|
* use mdio45_probe function for prtad and mmds.
|
||
|
|
* use fixed MMD3 to get mmds.
|
||
|
|
*/
|
||
|
|
if (alx_read_phy_ext(hw, 3, MDIO_DEVS1, &devs1) ||
|
||
|
|
alx_read_phy_ext(hw, 3, MDIO_DEVS2, &devs2))
|
||
|
|
return false;
|
||
|
|
hw->mdio.mmds = devs1 | devs2 << 16;
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
void alx_update_hw_stats(struct alx_hw *hw)
|
||
|
|
{
|
||
|
|
/* RX stats */
|
||
|
|
hw->stats.rx_ok += alx_read_mem32(hw, ALX_MIB_RX_OK);
|
||
|
|
hw->stats.rx_bcast += alx_read_mem32(hw, ALX_MIB_RX_BCAST);
|
||
|
|
hw->stats.rx_mcast += alx_read_mem32(hw, ALX_MIB_RX_MCAST);
|
||
|
|
hw->stats.rx_pause += alx_read_mem32(hw, ALX_MIB_RX_PAUSE);
|
||
|
|
hw->stats.rx_ctrl += alx_read_mem32(hw, ALX_MIB_RX_CTRL);
|
||
|
|
hw->stats.rx_fcs_err += alx_read_mem32(hw, ALX_MIB_RX_FCS_ERR);
|
||
|
|
hw->stats.rx_len_err += alx_read_mem32(hw, ALX_MIB_RX_LEN_ERR);
|
||
|
|
hw->stats.rx_byte_cnt += alx_read_mem32(hw, ALX_MIB_RX_BYTE_CNT);
|
||
|
|
hw->stats.rx_runt += alx_read_mem32(hw, ALX_MIB_RX_RUNT);
|
||
|
|
hw->stats.rx_frag += alx_read_mem32(hw, ALX_MIB_RX_FRAG);
|
||
|
|
hw->stats.rx_sz_64B += alx_read_mem32(hw, ALX_MIB_RX_SZ_64B);
|
||
|
|
hw->stats.rx_sz_127B += alx_read_mem32(hw, ALX_MIB_RX_SZ_127B);
|
||
|
|
hw->stats.rx_sz_255B += alx_read_mem32(hw, ALX_MIB_RX_SZ_255B);
|
||
|
|
hw->stats.rx_sz_511B += alx_read_mem32(hw, ALX_MIB_RX_SZ_511B);
|
||
|
|
hw->stats.rx_sz_1023B += alx_read_mem32(hw, ALX_MIB_RX_SZ_1023B);
|
||
|
|
hw->stats.rx_sz_1518B += alx_read_mem32(hw, ALX_MIB_RX_SZ_1518B);
|
||
|
|
hw->stats.rx_sz_max += alx_read_mem32(hw, ALX_MIB_RX_SZ_MAX);
|
||
|
|
hw->stats.rx_ov_sz += alx_read_mem32(hw, ALX_MIB_RX_OV_SZ);
|
||
|
|
hw->stats.rx_ov_rxf += alx_read_mem32(hw, ALX_MIB_RX_OV_RXF);
|
||
|
|
hw->stats.rx_ov_rrd += alx_read_mem32(hw, ALX_MIB_RX_OV_RRD);
|
||
|
|
hw->stats.rx_align_err += alx_read_mem32(hw, ALX_MIB_RX_ALIGN_ERR);
|
||
|
|
hw->stats.rx_bc_byte_cnt += alx_read_mem32(hw, ALX_MIB_RX_BCCNT);
|
||
|
|
hw->stats.rx_mc_byte_cnt += alx_read_mem32(hw, ALX_MIB_RX_MCCNT);
|
||
|
|
hw->stats.rx_err_addr += alx_read_mem32(hw, ALX_MIB_RX_ERRADDR);
|
||
|
|
|
||
|
|
/* TX stats */
|
||
|
|
hw->stats.tx_ok += alx_read_mem32(hw, ALX_MIB_TX_OK);
|
||
|
|
hw->stats.tx_bcast += alx_read_mem32(hw, ALX_MIB_TX_BCAST);
|
||
|
|
hw->stats.tx_mcast += alx_read_mem32(hw, ALX_MIB_TX_MCAST);
|
||
|
|
hw->stats.tx_pause += alx_read_mem32(hw, ALX_MIB_TX_PAUSE);
|
||
|
|
hw->stats.tx_exc_defer += alx_read_mem32(hw, ALX_MIB_TX_EXC_DEFER);
|
||
|
|
hw->stats.tx_ctrl += alx_read_mem32(hw, ALX_MIB_TX_CTRL);
|
||
|
|
hw->stats.tx_defer += alx_read_mem32(hw, ALX_MIB_TX_DEFER);
|
||
|
|
hw->stats.tx_byte_cnt += alx_read_mem32(hw, ALX_MIB_TX_BYTE_CNT);
|
||
|
|
hw->stats.tx_sz_64B += alx_read_mem32(hw, ALX_MIB_TX_SZ_64B);
|
||
|
|
hw->stats.tx_sz_127B += alx_read_mem32(hw, ALX_MIB_TX_SZ_127B);
|
||
|
|
hw->stats.tx_sz_255B += alx_read_mem32(hw, ALX_MIB_TX_SZ_255B);
|
||
|
|
hw->stats.tx_sz_511B += alx_read_mem32(hw, ALX_MIB_TX_SZ_511B);
|
||
|
|
hw->stats.tx_sz_1023B += alx_read_mem32(hw, ALX_MIB_TX_SZ_1023B);
|
||
|
|
hw->stats.tx_sz_1518B += alx_read_mem32(hw, ALX_MIB_TX_SZ_1518B);
|
||
|
|
hw->stats.tx_sz_max += alx_read_mem32(hw, ALX_MIB_TX_SZ_MAX);
|
||
|
|
hw->stats.tx_single_col += alx_read_mem32(hw, ALX_MIB_TX_SINGLE_COL);
|
||
|
|
hw->stats.tx_multi_col += alx_read_mem32(hw, ALX_MIB_TX_MULTI_COL);
|
||
|
|
hw->stats.tx_late_col += alx_read_mem32(hw, ALX_MIB_TX_LATE_COL);
|
||
|
|
hw->stats.tx_abort_col += alx_read_mem32(hw, ALX_MIB_TX_ABORT_COL);
|
||
|
|
hw->stats.tx_underrun += alx_read_mem32(hw, ALX_MIB_TX_UNDERRUN);
|
||
|
|
hw->stats.tx_trd_eop += alx_read_mem32(hw, ALX_MIB_TX_TRD_EOP);
|
||
|
|
hw->stats.tx_len_err += alx_read_mem32(hw, ALX_MIB_TX_LEN_ERR);
|
||
|
|
hw->stats.tx_trunc += alx_read_mem32(hw, ALX_MIB_TX_TRUNC);
|
||
|
|
hw->stats.tx_bc_byte_cnt += alx_read_mem32(hw, ALX_MIB_TX_BCCNT);
|
||
|
|
hw->stats.tx_mc_byte_cnt += alx_read_mem32(hw, ALX_MIB_TX_MCCNT);
|
||
|
|
|
||
|
|
hw->stats.update += alx_read_mem32(hw, ALX_MIB_UPDATE);
|
||
|
|
}
|