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author | Felix Fietkau <nbd@nbd.name> | 2018-04-06 18:20:46 +0200 |
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committer | Felix Fietkau <nbd@nbd.name> | 2018-04-06 18:21:45 +0200 |
commit | dea9922acd290b37a784d354892a44684a8fb696 (patch) | |
tree | 6882d6c6a6b0166ed11842edea35ace83c7e592d /target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mdio_mt7620.c | |
parent | 804952e7ef045e2ed68a1434dbc7371057495968 (diff) | |
download | upstream-dea9922acd290b37a784d354892a44684a8fb696.tar.gz upstream-dea9922acd290b37a784d354892a44684a8fb696.tar.bz2 upstream-dea9922acd290b37a784d354892a44684a8fb696.zip |
ramips: drop linux 4.9 support
4.14 has been tested a lot by a number of users, and we want to use it
for the release.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mdio_mt7620.c')
-rw-r--r-- | target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mdio_mt7620.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mdio_mt7620.c b/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mdio_mt7620.c deleted file mode 100644 index 9efe7896a5..0000000000 --- a/target/linux/ramips/files-4.9/drivers/net/ethernet/mtk/mdio_mt7620.c +++ /dev/null @@ -1,168 +0,0 @@ -/* 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; version 2 of the License - * - * 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. - * - * Copyright (C) 2009-2015 John Crispin <blogic@openwrt.org> - * Copyright (C) 2009-2015 Felix Fietkau <nbd@nbd.name> - * Copyright (C) 2013-2015 Michael Lee <igvtee@gmail.com> - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> - -#include "mtk_eth_soc.h" -#include "gsw_mt7620.h" -#include "mdio.h" - -static int mt7620_mii_busy_wait(struct mt7620_gsw *gsw) -{ - unsigned long t_start = jiffies; - - while (1) { - if (!(mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & GSW_MDIO_ACCESS)) - return 0; - if (time_after(jiffies, t_start + GSW_REG_PHY_TIMEOUT)) - break; - } - - dev_err(gsw->dev, "mdio: MDIO timeout\n"); - return -1; -} - -u32 _mt7620_mii_write(struct mt7620_gsw *gsw, u32 phy_addr, - u32 phy_register, u32 write_data) -{ - if (mt7620_mii_busy_wait(gsw)) - return -1; - - write_data &= 0xffff; - - mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_WRITE | - (phy_register << GSW_MDIO_REG_SHIFT) | - (phy_addr << GSW_MDIO_ADDR_SHIFT) | write_data, - MT7620A_GSW_REG_PIAC); - - if (mt7620_mii_busy_wait(gsw)) - return -1; - - return 0; -} - -u32 _mt7620_mii_read(struct mt7620_gsw *gsw, int phy_addr, int phy_reg) -{ - u32 d; - - if (mt7620_mii_busy_wait(gsw)) - return 0xffff; - - mtk_switch_w32(gsw, GSW_MDIO_ACCESS | GSW_MDIO_START | GSW_MDIO_READ | - (phy_reg << GSW_MDIO_REG_SHIFT) | - (phy_addr << GSW_MDIO_ADDR_SHIFT), - MT7620A_GSW_REG_PIAC); - - if (mt7620_mii_busy_wait(gsw)) - return 0xffff; - - d = mtk_switch_r32(gsw, MT7620A_GSW_REG_PIAC) & 0xffff; - - return d; -} - -int mt7620_mdio_write(struct mii_bus *bus, int phy_addr, int phy_reg, u16 val) -{ - struct fe_priv *priv = bus->priv; - struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv; - - return _mt7620_mii_write(gsw, phy_addr, phy_reg, val); -} - -int mt7620_mdio_read(struct mii_bus *bus, int phy_addr, int phy_reg) -{ - struct fe_priv *priv = bus->priv; - struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv; - - return _mt7620_mii_read(gsw, phy_addr, phy_reg); -} - -void mt7530_mdio_w32(struct mt7620_gsw *gsw, u32 reg, u32 val) -{ - _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff); - _mt7620_mii_write(gsw, 0x1f, (reg >> 2) & 0xf, val & 0xffff); - _mt7620_mii_write(gsw, 0x1f, 0x10, val >> 16); -} - -u32 mt7530_mdio_r32(struct mt7620_gsw *gsw, u32 reg) -{ - u16 high, low; - - _mt7620_mii_write(gsw, 0x1f, 0x1f, (reg >> 6) & 0x3ff); - low = _mt7620_mii_read(gsw, 0x1f, (reg >> 2) & 0xf); - high = _mt7620_mii_read(gsw, 0x1f, 0x10); - - return (high << 16) | (low & 0xffff); -} - -static unsigned char *fe_speed_str(int speed) -{ - switch (speed) { - case 2: - case SPEED_1000: - return "1000"; - case 1: - case SPEED_100: - return "100"; - case 0: - case SPEED_10: - return "10"; - } - - return "? "; -} - -int mt7620_has_carrier(struct fe_priv *priv) -{ - struct mt7620_gsw *gsw = (struct mt7620_gsw *)priv->soc->swpriv; - int i; - - for (i = 0; i < GSW_PORT6; i++) - if (mtk_switch_r32(gsw, GSW_REG_PORT_STATUS(i)) & 0x1) - return 1; - return 0; -} - - -void mt7620_handle_carrier(struct fe_priv *priv) -{ - if (!priv->phy) - return; - - if (mt7620_has_carrier(priv)) - netif_carrier_on(priv->netdev); - else - netif_carrier_off(priv->netdev); -} - -void mt7620_print_link_state(struct fe_priv *priv, int port, int link, - int speed, int duplex) -{ - if (link) - netdev_info(priv->netdev, "port %d link up (%sMbps/%s duplex)\n", - port, fe_speed_str(speed), - (duplex) ? "Full" : "Half"); - else - netdev_info(priv->netdev, "port %d link down\n", port); -} - -void mt7620_mdio_link_adjust(struct fe_priv *priv, int port) -{ - mt7620_print_link_state(priv, port, priv->link[port], - priv->phy->speed[port], - (priv->phy->duplex[port] == DUPLEX_FULL)); - mt7620_handle_carrier(priv); -} |