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d678a59d2d
When bringing in the series 'arm: dts: am62-beagleplay: Fix Beagleplay Ethernet"' I failed to notice that b4 noticed it was based on next and so took that as the base commit and merged that part of next to master. This reverts commitc8ffd1356d, reversing changes made to2ee6f3a5f7. Reported-by: Jonas Karlman <jonas@kwiboo.se> Signed-off-by: Tom Rini <trini@konsulko.com>
158 lines
3.2 KiB
C
158 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* National Semiconductor PHY drivers
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*
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* Copyright 2010-2011 Freescale Semiconductor, Inc.
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* author Andy Fleming
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*/
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#include <common.h>
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#include <phy.h>
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/* NatSemi DP83630 */
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#define DP83630_PHY_PAGESEL_REG 0x13
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#define DP83630_PHY_PTP_COC_REG 0x14
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#define DP83630_PHY_PTP_CLKOUT_EN (1<<15)
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#define DP83630_PHY_RBR_REG 0x17
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static int dp83630_config(struct phy_device *phydev)
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{
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int ptp_coc_reg;
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phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
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phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PAGESEL_REG, 0x6);
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ptp_coc_reg = phy_read(phydev, MDIO_DEVAD_NONE,
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DP83630_PHY_PTP_COC_REG);
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ptp_coc_reg &= ~DP83630_PHY_PTP_CLKOUT_EN;
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phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PTP_COC_REG,
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ptp_coc_reg);
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phy_write(phydev, MDIO_DEVAD_NONE, DP83630_PHY_PAGESEL_REG, 0);
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genphy_config_aneg(phydev);
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return 0;
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}
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U_BOOT_PHY_DRIVER(dp83630) = {
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.name = "NatSemi DP83630",
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.uid = 0x20005ce1,
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.mask = 0xfffffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &dp83630_config,
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.startup = &genphy_startup,
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.shutdown = &genphy_shutdown,
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};
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/* DP83865 Link and Auto-Neg Status Register */
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#define MIIM_DP83865_LANR 0x11
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#define MIIM_DP83865_SPD_MASK 0x0018
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#define MIIM_DP83865_SPD_1000 0x0010
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#define MIIM_DP83865_SPD_100 0x0008
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#define MIIM_DP83865_DPX_FULL 0x0002
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/* NatSemi DP83865 */
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static int dp838xx_config(struct phy_device *phydev)
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{
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phy_write(phydev, MDIO_DEVAD_NONE, MII_BMCR, BMCR_RESET);
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genphy_config_aneg(phydev);
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return 0;
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}
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static int dp83865_parse_status(struct phy_device *phydev)
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{
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int mii_reg;
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mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MIIM_DP83865_LANR);
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switch (mii_reg & MIIM_DP83865_SPD_MASK) {
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case MIIM_DP83865_SPD_1000:
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phydev->speed = SPEED_1000;
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break;
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case MIIM_DP83865_SPD_100:
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phydev->speed = SPEED_100;
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break;
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default:
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phydev->speed = SPEED_10;
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break;
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}
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if (mii_reg & MIIM_DP83865_DPX_FULL)
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phydev->duplex = DUPLEX_FULL;
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else
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phydev->duplex = DUPLEX_HALF;
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return 0;
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}
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static int dp83865_startup(struct phy_device *phydev)
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{
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int ret;
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ret = genphy_update_link(phydev);
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if (ret)
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return ret;
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return dp83865_parse_status(phydev);
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}
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U_BOOT_PHY_DRIVER(dp83865) = {
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.name = "NatSemi DP83865",
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.uid = 0x20005c70,
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.mask = 0xfffffff0,
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.features = PHY_GBIT_FEATURES,
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.config = &dp838xx_config,
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.startup = &dp83865_startup,
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.shutdown = &genphy_shutdown,
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};
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/* NatSemi DP83848 */
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static int dp83848_parse_status(struct phy_device *phydev)
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{
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int mii_reg;
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mii_reg = phy_read(phydev, MDIO_DEVAD_NONE, MII_BMSR);
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if(mii_reg & (BMSR_100FULL | BMSR_100HALF)) {
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phydev->speed = SPEED_100;
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} else {
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phydev->speed = SPEED_10;
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}
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if (mii_reg & (BMSR_10FULL | BMSR_100FULL)) {
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phydev->duplex = DUPLEX_FULL;
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} else {
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phydev->duplex = DUPLEX_HALF;
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}
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return 0;
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}
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static int dp83848_startup(struct phy_device *phydev)
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{
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int ret;
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ret = genphy_update_link(phydev);
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if (ret)
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return ret;
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return dp83848_parse_status(phydev);
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}
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U_BOOT_PHY_DRIVER(dp83848) = {
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.name = "NatSemi DP83848",
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.uid = 0x20005c90,
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.mask = 0x2000ff90,
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.features = PHY_BASIC_FEATURES,
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.config = &dp838xx_config,
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.startup = &dp83848_startup,
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.shutdown = &genphy_shutdown,
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};
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