107 lines
2.3 KiB
C
Executable File
107 lines
2.3 KiB
C
Executable File
// SPDX-License-Identifier: GPL-2.0+
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#include <common.h>
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#include <linux/bitops.h>
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#include <phy.h>
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#define MIIM_ICPLUS_PAGE_SELECT 0x14
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static int icplus_phy_extread(struct phy_device *phydev, int addr,
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int devaddr, int regnum)
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{
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int oldpage = phy_read(phydev, MDIO_DEVAD_NONE,
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MIIM_ICPLUS_PAGE_SELECT);
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int val;
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phy_write(phydev, MDIO_DEVAD_NONE, MIIM_ICPLUS_PAGE_SELECT, devaddr);
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val = phy_read(phydev, MDIO_DEVAD_NONE, regnum);
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phy_write(phydev, MDIO_DEVAD_NONE, MIIM_ICPLUS_PAGE_SELECT, oldpage);
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return val;
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}
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static int icplus_phy_extwrite(struct phy_device *phydev, int addr,
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int devaddr, int regnum, u16 val)
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{
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int oldpage = phy_read(phydev, MDIO_DEVAD_NONE,
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MIIM_ICPLUS_PAGE_SELECT);
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phy_write(phydev, MDIO_DEVAD_NONE, MIIM_ICPLUS_PAGE_SELECT, devaddr);
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phy_write(phydev, MDIO_DEVAD_NONE, regnum, val);
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phy_write(phydev, MDIO_DEVAD_NONE, MIIM_ICPLUS_PAGE_SELECT, oldpage);
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return 0;
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}
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static int icplus_config(struct phy_device *phydev)
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{
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unsigned int reg;
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/* Digital IO Pin Driving Control Register */
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/*RXC DRIVE*/
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reg = phydev->drv->readext(phydev, 0, 4, 22);
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reg &= ~(0x7 << 13);
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#ifdef CONFIG_LOTUS_FPGA
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reg |= (0x6 << 13);
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#else
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reg |= (0x4 << 13);
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#endif
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phydev->drv->writeext(phydev, 0, 4, 22, reg);
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/*RXDx DRIVE*/
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reg = phydev->drv->readext(phydev, 0, 16, 26);
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reg &= ~(0x7FFF);
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#ifdef CONFIG_LOTUS_FPGA
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reg |= (0x6DB6);
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#else
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reg |= (0x36DB);
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#endif
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phydev->drv->writeext(phydev, 0, 16, 26, reg);
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/*RXDx DRIVE*/
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reg = phydev->drv->readext(phydev, 0, 16, 27);
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reg &= ~(0x7FC7);
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#ifdef CONFIG_LOTUS_FPGA
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reg |= (0x6D86);
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#else
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reg |= (0x2484);
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#endif
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phydev->drv->writeext(phydev, 0, 16, 27, reg);
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genphy_config_aneg(phydev);
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return 0;
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}
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int icplus_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 genphy_parse_link(phydev);
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}
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/* Support for JL11x1 PHY */
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static struct phy_driver icplus_driver = {
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.name = "ICPlus IP101A/G",
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.uid = 0x02430c54,
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.mask = 0x0ffffff0,
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.features = PHY_BASIC_FEATURES,
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.config = &icplus_config,
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.startup = &icplus_startup,
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.shutdown = &genphy_shutdown,
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.readext = &icplus_phy_extread,
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.writeext = &icplus_phy_extwrite,
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};
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int phy_icplus_init(void)
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{
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phy_register(&icplus_driver);
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return 0;
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}
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