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![Zhao Qiang](/assets/img/avatar_default.png)
ls1021 is arm-core and supports qe too. Move immap_qe.h into common directory for both arm and powerpc. Signed-off-by: Zhao Qiang <B45475@freescale.com> Reviewed-by: York Sun <yorksun@freescale.com>
913 lines
24 KiB
C
913 lines
24 KiB
C
/*
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* Copyright (C) 2005,2010-2011 Freescale Semiconductor, Inc.
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*
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* Author: Shlomi Gridish
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*
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* Description: UCC GETH Driver -- PHY handling
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* Driver for UEC on QE
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* Based on 8260_io/fcc_enet.c
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include "common.h"
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#include "net.h"
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#include "malloc.h"
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#include "asm/errno.h"
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#include "linux/immap_qe.h"
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#include "asm/io.h"
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#include "qe.h"
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#include "uccf.h"
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#include "uec.h"
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#include "uec_phy.h"
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#include "miiphy.h"
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#include <phy.h>
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#define ugphy_printk(format, arg...) \
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printf(format "\n", ## arg)
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#define ugphy_dbg(format, arg...) \
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ugphy_printk(format , ## arg)
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#define ugphy_err(format, arg...) \
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ugphy_printk(format , ## arg)
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#define ugphy_info(format, arg...) \
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ugphy_printk(format , ## arg)
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#define ugphy_warn(format, arg...) \
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ugphy_printk(format , ## arg)
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#ifdef UEC_VERBOSE_DEBUG
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#define ugphy_vdbg ugphy_dbg
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#else
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#define ugphy_vdbg(ugeth, fmt, args...) do { } while (0)
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#endif /* UEC_VERBOSE_DEBUG */
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/*--------------------------------------------------------------------+
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* Fixed PHY (PHY-less) support for Ethernet Ports.
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*
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* Copied from arch/powerpc/cpu/ppc4xx/4xx_enet.c
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*--------------------------------------------------------------------*/
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/*
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* Some boards do not have a PHY for each ethernet port. These ports are known
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* as Fixed PHY (or PHY-less) ports. For such ports, set the appropriate
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* CONFIG_SYS_UECx_PHY_ADDR equal to CONFIG_FIXED_PHY_ADDR (an unused address)
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* When the drver tries to identify the PHYs, CONFIG_FIXED_PHY will be returned
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* and the driver will search CONFIG_SYS_FIXED_PHY_PORTS to find what network
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* speed and duplex should be for the port.
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*
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* Example board header configuration file:
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* #define CONFIG_FIXED_PHY 0xFFFFFFFF
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* #define CONFIG_SYS_FIXED_PHY_ADDR 0x1E (pick an unused phy address)
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*
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* #define CONFIG_SYS_UEC1_PHY_ADDR CONFIG_SYS_FIXED_PHY_ADDR
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* #define CONFIG_SYS_UEC2_PHY_ADDR 0x02
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* #define CONFIG_SYS_UEC3_PHY_ADDR CONFIG_SYS_FIXED_PHY_ADDR
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* #define CONFIG_SYS_UEC4_PHY_ADDR 0x04
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*
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* #define CONFIG_SYS_FIXED_PHY_PORT(name,speed,duplex) \
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* {name, speed, duplex},
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*
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* #define CONFIG_SYS_FIXED_PHY_PORTS \
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* CONFIG_SYS_FIXED_PHY_PORT("UEC0",SPEED_100,DUPLEX_FULL) \
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* CONFIG_SYS_FIXED_PHY_PORT("UEC2",SPEED_100,DUPLEX_HALF)
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*/
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#ifndef CONFIG_FIXED_PHY
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#define CONFIG_FIXED_PHY 0xFFFFFFFF /* Fixed PHY (PHY-less) */
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#endif
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#ifndef CONFIG_SYS_FIXED_PHY_PORTS
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#define CONFIG_SYS_FIXED_PHY_PORTS /* default is an empty array */
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#endif
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struct fixed_phy_port {
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char name[16]; /* ethernet port name */
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unsigned int speed; /* specified speed 10,100 or 1000 */
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unsigned int duplex; /* specified duplex FULL or HALF */
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};
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static const struct fixed_phy_port fixed_phy_port[] = {
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CONFIG_SYS_FIXED_PHY_PORTS /* defined in board configuration file */
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};
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/*--------------------------------------------------------------------+
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* BitBang MII support for ethernet ports
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*
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* Based from MPC8560ADS implementation
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*--------------------------------------------------------------------*/
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/*
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* Example board header file to define bitbang ethernet ports:
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*
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* #define CONFIG_SYS_BITBANG_PHY_PORT(name) name,
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* #define CONFIG_SYS_BITBANG_PHY_PORTS CONFIG_SYS_BITBANG_PHY_PORT("UEC0")
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*/
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#ifndef CONFIG_SYS_BITBANG_PHY_PORTS
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#define CONFIG_SYS_BITBANG_PHY_PORTS /* default is an empty array */
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#endif
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#if defined(CONFIG_BITBANGMII)
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static const char *bitbang_phy_port[] = {
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CONFIG_SYS_BITBANG_PHY_PORTS /* defined in board configuration file */
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};
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#endif /* CONFIG_BITBANGMII */
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static void config_genmii_advert (struct uec_mii_info *mii_info);
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static void genmii_setup_forced (struct uec_mii_info *mii_info);
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static void genmii_restart_aneg (struct uec_mii_info *mii_info);
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static int gbit_config_aneg (struct uec_mii_info *mii_info);
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static int genmii_config_aneg (struct uec_mii_info *mii_info);
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static int genmii_update_link (struct uec_mii_info *mii_info);
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static int genmii_read_status (struct uec_mii_info *mii_info);
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u16 uec_phy_read(struct uec_mii_info *mii_info, u16 regnum);
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void uec_phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val);
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/* Write value to the PHY for this device to the register at regnum, */
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/* waiting until the write is done before it returns. All PHY */
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/* configuration has to be done through the TSEC1 MIIM regs */
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void uec_write_phy_reg (struct eth_device *dev, int mii_id, int regnum, int value)
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{
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uec_private_t *ugeth = (uec_private_t *) dev->priv;
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uec_mii_t *ug_regs;
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enet_tbi_mii_reg_e mii_reg = (enet_tbi_mii_reg_e) regnum;
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u32 tmp_reg;
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#if defined(CONFIG_BITBANGMII)
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u32 i = 0;
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for (i = 0; i < ARRAY_SIZE(bitbang_phy_port); i++) {
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if (strncmp(dev->name, bitbang_phy_port[i],
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sizeof(dev->name)) == 0) {
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(void)bb_miiphy_write(NULL, mii_id, regnum, value);
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return;
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}
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}
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#endif /* CONFIG_BITBANGMII */
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ug_regs = ugeth->uec_mii_regs;
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/* Stop the MII management read cycle */
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out_be32 (&ug_regs->miimcom, 0);
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/* Setting up the MII Mangement Address Register */
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tmp_reg = ((u32) mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg;
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out_be32 (&ug_regs->miimadd, tmp_reg);
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/* Setting up the MII Mangement Control Register with the value */
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out_be32 (&ug_regs->miimcon, (u32) value);
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sync();
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/* Wait till MII management write is complete */
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while ((in_be32 (&ug_regs->miimind)) & MIIMIND_BUSY);
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}
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/* Reads from register regnum in the PHY for device dev, */
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/* returning the value. Clears miimcom first. All PHY */
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/* configuration has to be done through the TSEC1 MIIM regs */
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int uec_read_phy_reg (struct eth_device *dev, int mii_id, int regnum)
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{
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uec_private_t *ugeth = (uec_private_t *) dev->priv;
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uec_mii_t *ug_regs;
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enet_tbi_mii_reg_e mii_reg = (enet_tbi_mii_reg_e) regnum;
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u32 tmp_reg;
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u16 value;
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#if defined(CONFIG_BITBANGMII)
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u32 i = 0;
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for (i = 0; i < ARRAY_SIZE(bitbang_phy_port); i++) {
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if (strncmp(dev->name, bitbang_phy_port[i],
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sizeof(dev->name)) == 0) {
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(void)bb_miiphy_read(NULL, mii_id, regnum, &value);
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return (value);
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}
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}
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#endif /* CONFIG_BITBANGMII */
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ug_regs = ugeth->uec_mii_regs;
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/* Setting up the MII Mangement Address Register */
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tmp_reg = ((u32) mii_id << MIIMADD_PHY_ADDRESS_SHIFT) | mii_reg;
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out_be32 (&ug_regs->miimadd, tmp_reg);
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/* clear MII management command cycle */
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out_be32 (&ug_regs->miimcom, 0);
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sync();
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/* Perform an MII management read cycle */
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out_be32 (&ug_regs->miimcom, MIIMCOM_READ_CYCLE);
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/* Wait till MII management write is complete */
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while ((in_be32 (&ug_regs->miimind)) &
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(MIIMIND_NOT_VALID | MIIMIND_BUSY));
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/* Read MII management status */
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value = (u16) in_be32 (&ug_regs->miimstat);
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if (value == 0xffff)
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ugphy_vdbg
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("read wrong value : mii_id %d,mii_reg %d, base %08x",
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mii_id, mii_reg, (u32) & (ug_regs->miimcfg));
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return (value);
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}
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void mii_clear_phy_interrupt (struct uec_mii_info *mii_info)
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{
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if (mii_info->phyinfo->ack_interrupt)
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mii_info->phyinfo->ack_interrupt (mii_info);
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}
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void mii_configure_phy_interrupt (struct uec_mii_info *mii_info,
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u32 interrupts)
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{
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mii_info->interrupts = interrupts;
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if (mii_info->phyinfo->config_intr)
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mii_info->phyinfo->config_intr (mii_info);
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}
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/* Writes MII_ADVERTISE with the appropriate values, after
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* sanitizing advertise to make sure only supported features
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* are advertised
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*/
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static void config_genmii_advert (struct uec_mii_info *mii_info)
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{
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u32 advertise;
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u16 adv;
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/* Only allow advertising what this PHY supports */
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mii_info->advertising &= mii_info->phyinfo->features;
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advertise = mii_info->advertising;
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/* Setup standard advertisement */
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adv = uec_phy_read(mii_info, MII_ADVERTISE);
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adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
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if (advertise & ADVERTISED_10baseT_Half)
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adv |= ADVERTISE_10HALF;
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if (advertise & ADVERTISED_10baseT_Full)
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adv |= ADVERTISE_10FULL;
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if (advertise & ADVERTISED_100baseT_Half)
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adv |= ADVERTISE_100HALF;
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if (advertise & ADVERTISED_100baseT_Full)
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adv |= ADVERTISE_100FULL;
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uec_phy_write(mii_info, MII_ADVERTISE, adv);
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}
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static void genmii_setup_forced (struct uec_mii_info *mii_info)
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{
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u16 ctrl;
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u32 features = mii_info->phyinfo->features;
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ctrl = uec_phy_read(mii_info, MII_BMCR);
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ctrl &= ~(BMCR_FULLDPLX | BMCR_SPEED100 |
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BMCR_SPEED1000 | BMCR_ANENABLE);
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ctrl |= BMCR_RESET;
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switch (mii_info->speed) {
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case SPEED_1000:
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if (features & (SUPPORTED_1000baseT_Half
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| SUPPORTED_1000baseT_Full)) {
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ctrl |= BMCR_SPEED1000;
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break;
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}
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mii_info->speed = SPEED_100;
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case SPEED_100:
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if (features & (SUPPORTED_100baseT_Half
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| SUPPORTED_100baseT_Full)) {
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ctrl |= BMCR_SPEED100;
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break;
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}
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mii_info->speed = SPEED_10;
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case SPEED_10:
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if (features & (SUPPORTED_10baseT_Half
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| SUPPORTED_10baseT_Full))
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break;
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default: /* Unsupported speed! */
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ugphy_err ("%s: Bad speed!", mii_info->dev->name);
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break;
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}
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uec_phy_write(mii_info, MII_BMCR, ctrl);
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}
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/* Enable and Restart Autonegotiation */
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static void genmii_restart_aneg (struct uec_mii_info *mii_info)
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{
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u16 ctl;
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ctl = uec_phy_read(mii_info, MII_BMCR);
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ctl |= (BMCR_ANENABLE | BMCR_ANRESTART);
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uec_phy_write(mii_info, MII_BMCR, ctl);
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}
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static int gbit_config_aneg (struct uec_mii_info *mii_info)
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{
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u16 adv;
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u32 advertise;
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if (mii_info->autoneg) {
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/* Configure the ADVERTISE register */
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config_genmii_advert (mii_info);
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advertise = mii_info->advertising;
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adv = uec_phy_read(mii_info, MII_CTRL1000);
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adv &= ~(ADVERTISE_1000FULL |
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ADVERTISE_1000HALF);
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if (advertise & SUPPORTED_1000baseT_Half)
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adv |= ADVERTISE_1000HALF;
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if (advertise & SUPPORTED_1000baseT_Full)
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adv |= ADVERTISE_1000FULL;
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uec_phy_write(mii_info, MII_CTRL1000, adv);
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/* Start/Restart aneg */
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genmii_restart_aneg (mii_info);
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} else
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genmii_setup_forced (mii_info);
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return 0;
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}
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static int marvell_config_aneg (struct uec_mii_info *mii_info)
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{
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/* The Marvell PHY has an errata which requires
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* that certain registers get written in order
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* to restart autonegotiation */
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uec_phy_write(mii_info, MII_BMCR, BMCR_RESET);
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uec_phy_write(mii_info, 0x1d, 0x1f);
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uec_phy_write(mii_info, 0x1e, 0x200c);
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uec_phy_write(mii_info, 0x1d, 0x5);
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uec_phy_write(mii_info, 0x1e, 0);
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uec_phy_write(mii_info, 0x1e, 0x100);
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gbit_config_aneg (mii_info);
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return 0;
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}
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static int genmii_config_aneg (struct uec_mii_info *mii_info)
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{
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if (mii_info->autoneg) {
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/* Speed up the common case, if link is already up, speed and
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duplex match, skip auto neg as it already matches */
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if (!genmii_read_status(mii_info) && mii_info->link)
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if (mii_info->duplex == DUPLEX_FULL &&
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mii_info->speed == SPEED_100)
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if (mii_info->advertising &
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ADVERTISED_100baseT_Full)
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return 0;
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config_genmii_advert (mii_info);
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genmii_restart_aneg (mii_info);
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} else
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genmii_setup_forced (mii_info);
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return 0;
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}
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static int genmii_update_link (struct uec_mii_info *mii_info)
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{
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u16 status;
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/* Status is read once to clear old link state */
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uec_phy_read(mii_info, MII_BMSR);
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/*
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* Wait if the link is up, and autonegotiation is in progress
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* (ie - we're capable and it's not done)
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*/
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status = uec_phy_read(mii_info, MII_BMSR);
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if ((status & BMSR_LSTATUS) && (status & BMSR_ANEGCAPABLE)
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&& !(status & BMSR_ANEGCOMPLETE)) {
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int i = 0;
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while (!(status & BMSR_ANEGCOMPLETE)) {
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/*
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* Timeout reached ?
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*/
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if (i > UGETH_AN_TIMEOUT) {
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mii_info->link = 0;
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return 0;
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}
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i++;
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udelay(1000); /* 1 ms */
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status = uec_phy_read(mii_info, MII_BMSR);
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}
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mii_info->link = 1;
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} else {
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if (status & BMSR_LSTATUS)
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mii_info->link = 1;
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else
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mii_info->link = 0;
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}
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return 0;
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}
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static int genmii_read_status (struct uec_mii_info *mii_info)
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{
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u16 status;
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int err;
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/* Update the link, but return if there
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* was an error */
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err = genmii_update_link (mii_info);
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if (err)
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return err;
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if (mii_info->autoneg) {
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status = uec_phy_read(mii_info, MII_STAT1000);
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if (status & (LPA_1000FULL | LPA_1000HALF)) {
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mii_info->speed = SPEED_1000;
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if (status & LPA_1000FULL)
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mii_info->duplex = DUPLEX_FULL;
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else
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mii_info->duplex = DUPLEX_HALF;
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} else {
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status = uec_phy_read(mii_info, MII_LPA);
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if (status & (LPA_10FULL | LPA_100FULL))
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mii_info->duplex = DUPLEX_FULL;
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else
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mii_info->duplex = DUPLEX_HALF;
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if (status & (LPA_100FULL | LPA_100HALF))
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mii_info->speed = SPEED_100;
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else
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mii_info->speed = SPEED_10;
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}
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mii_info->pause = 0;
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}
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/* On non-aneg, we assume what we put in BMCR is the speed,
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* though magic-aneg shouldn't prevent this case from occurring
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*/
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return 0;
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}
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static int bcm_init(struct uec_mii_info *mii_info)
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{
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struct eth_device *edev = mii_info->dev;
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uec_private_t *uec = edev->priv;
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gbit_config_aneg(mii_info);
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if ((uec->uec_info->enet_interface_type ==
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PHY_INTERFACE_MODE_RGMII_RXID) &&
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(uec->uec_info->speed == SPEED_1000)) {
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u16 val;
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int cnt = 50;
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|
|
/* Wait for aneg to complete. */
|
|
do
|
|
val = uec_phy_read(mii_info, MII_BMSR);
|
|
while (--cnt && !(val & BMSR_ANEGCOMPLETE));
|
|
|
|
/* Set RDX clk delay. */
|
|
uec_phy_write(mii_info, 0x18, 0x7 | (7 << 12));
|
|
|
|
val = uec_phy_read(mii_info, 0x18);
|
|
/* Set RDX-RXC skew. */
|
|
val |= (1 << 8);
|
|
val |= (7 | (7 << 12));
|
|
/* Write bits 14:0. */
|
|
val |= (1 << 15);
|
|
uec_phy_write(mii_info, 0x18, val);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int uec_marvell_init(struct uec_mii_info *mii_info)
|
|
{
|
|
struct eth_device *edev = mii_info->dev;
|
|
uec_private_t *uec = edev->priv;
|
|
phy_interface_t iface = uec->uec_info->enet_interface_type;
|
|
int speed = uec->uec_info->speed;
|
|
|
|
if ((speed == SPEED_1000) &&
|
|
(iface == PHY_INTERFACE_MODE_RGMII_ID ||
|
|
iface == PHY_INTERFACE_MODE_RGMII_RXID ||
|
|
iface == PHY_INTERFACE_MODE_RGMII_TXID)) {
|
|
int temp;
|
|
|
|
temp = uec_phy_read(mii_info, MII_M1111_PHY_EXT_CR);
|
|
if (iface == PHY_INTERFACE_MODE_RGMII_ID) {
|
|
temp |= MII_M1111_RX_DELAY | MII_M1111_TX_DELAY;
|
|
} else if (iface == PHY_INTERFACE_MODE_RGMII_RXID) {
|
|
temp &= ~MII_M1111_TX_DELAY;
|
|
temp |= MII_M1111_RX_DELAY;
|
|
} else if (iface == PHY_INTERFACE_MODE_RGMII_TXID) {
|
|
temp &= ~MII_M1111_RX_DELAY;
|
|
temp |= MII_M1111_TX_DELAY;
|
|
}
|
|
uec_phy_write(mii_info, MII_M1111_PHY_EXT_CR, temp);
|
|
|
|
temp = uec_phy_read(mii_info, MII_M1111_PHY_EXT_SR);
|
|
temp &= ~MII_M1111_HWCFG_MODE_MASK;
|
|
temp |= MII_M1111_HWCFG_MODE_RGMII;
|
|
uec_phy_write(mii_info, MII_M1111_PHY_EXT_SR, temp);
|
|
|
|
uec_phy_write(mii_info, MII_BMCR, BMCR_RESET);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int marvell_read_status (struct uec_mii_info *mii_info)
|
|
{
|
|
u16 status;
|
|
int err;
|
|
|
|
/* Update the link, but return if there
|
|
* was an error */
|
|
err = genmii_update_link (mii_info);
|
|
if (err)
|
|
return err;
|
|
|
|
/* If the link is up, read the speed and duplex */
|
|
/* If we aren't autonegotiating, assume speeds
|
|
* are as set */
|
|
if (mii_info->autoneg && mii_info->link) {
|
|
int speed;
|
|
|
|
status = uec_phy_read(mii_info, MII_M1011_PHY_SPEC_STATUS);
|
|
|
|
/* Get the duplexity */
|
|
if (status & MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX)
|
|
mii_info->duplex = DUPLEX_FULL;
|
|
else
|
|
mii_info->duplex = DUPLEX_HALF;
|
|
|
|
/* Get the speed */
|
|
speed = status & MII_M1011_PHY_SPEC_STATUS_SPD_MASK;
|
|
switch (speed) {
|
|
case MII_M1011_PHY_SPEC_STATUS_1000:
|
|
mii_info->speed = SPEED_1000;
|
|
break;
|
|
case MII_M1011_PHY_SPEC_STATUS_100:
|
|
mii_info->speed = SPEED_100;
|
|
break;
|
|
default:
|
|
mii_info->speed = SPEED_10;
|
|
break;
|
|
}
|
|
mii_info->pause = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int marvell_ack_interrupt (struct uec_mii_info *mii_info)
|
|
{
|
|
/* Clear the interrupts by reading the reg */
|
|
uec_phy_read(mii_info, MII_M1011_IEVENT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int marvell_config_intr (struct uec_mii_info *mii_info)
|
|
{
|
|
if (mii_info->interrupts == MII_INTERRUPT_ENABLED)
|
|
uec_phy_write(mii_info, MII_M1011_IMASK, MII_M1011_IMASK_INIT);
|
|
else
|
|
uec_phy_write(mii_info, MII_M1011_IMASK,
|
|
MII_M1011_IMASK_CLEAR);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dm9161_init (struct uec_mii_info *mii_info)
|
|
{
|
|
/* Reset the PHY */
|
|
uec_phy_write(mii_info, MII_BMCR, uec_phy_read(mii_info, MII_BMCR) |
|
|
BMCR_RESET);
|
|
/* PHY and MAC connect */
|
|
uec_phy_write(mii_info, MII_BMCR, uec_phy_read(mii_info, MII_BMCR) &
|
|
~BMCR_ISOLATE);
|
|
|
|
uec_phy_write(mii_info, MII_DM9161_SCR, MII_DM9161_SCR_INIT);
|
|
|
|
config_genmii_advert (mii_info);
|
|
/* Start/restart aneg */
|
|
genmii_config_aneg (mii_info);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dm9161_config_aneg (struct uec_mii_info *mii_info)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int dm9161_read_status (struct uec_mii_info *mii_info)
|
|
{
|
|
u16 status;
|
|
int err;
|
|
|
|
/* Update the link, but return if there was an error */
|
|
err = genmii_update_link (mii_info);
|
|
if (err)
|
|
return err;
|
|
/* If the link is up, read the speed and duplex
|
|
If we aren't autonegotiating assume speeds are as set */
|
|
if (mii_info->autoneg && mii_info->link) {
|
|
status = uec_phy_read(mii_info, MII_DM9161_SCSR);
|
|
if (status & (MII_DM9161_SCSR_100F | MII_DM9161_SCSR_100H))
|
|
mii_info->speed = SPEED_100;
|
|
else
|
|
mii_info->speed = SPEED_10;
|
|
|
|
if (status & (MII_DM9161_SCSR_100F | MII_DM9161_SCSR_10F))
|
|
mii_info->duplex = DUPLEX_FULL;
|
|
else
|
|
mii_info->duplex = DUPLEX_HALF;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dm9161_ack_interrupt (struct uec_mii_info *mii_info)
|
|
{
|
|
/* Clear the interrupt by reading the reg */
|
|
uec_phy_read(mii_info, MII_DM9161_INTR);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int dm9161_config_intr (struct uec_mii_info *mii_info)
|
|
{
|
|
if (mii_info->interrupts == MII_INTERRUPT_ENABLED)
|
|
uec_phy_write(mii_info, MII_DM9161_INTR, MII_DM9161_INTR_INIT);
|
|
else
|
|
uec_phy_write(mii_info, MII_DM9161_INTR, MII_DM9161_INTR_STOP);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void dm9161_close (struct uec_mii_info *mii_info)
|
|
{
|
|
}
|
|
|
|
static int fixed_phy_aneg (struct uec_mii_info *mii_info)
|
|
{
|
|
mii_info->autoneg = 0; /* Turn off auto negotiation for fixed phy */
|
|
return 0;
|
|
}
|
|
|
|
static int fixed_phy_read_status (struct uec_mii_info *mii_info)
|
|
{
|
|
int i = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fixed_phy_port); i++) {
|
|
if (strncmp(mii_info->dev->name, fixed_phy_port[i].name,
|
|
strlen(mii_info->dev->name)) == 0) {
|
|
mii_info->speed = fixed_phy_port[i].speed;
|
|
mii_info->duplex = fixed_phy_port[i].duplex;
|
|
mii_info->link = 1; /* Link is always UP */
|
|
mii_info->pause = 0;
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int smsc_config_aneg (struct uec_mii_info *mii_info)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int smsc_read_status (struct uec_mii_info *mii_info)
|
|
{
|
|
u16 status;
|
|
int err;
|
|
|
|
/* Update the link, but return if there
|
|
* was an error */
|
|
err = genmii_update_link (mii_info);
|
|
if (err)
|
|
return err;
|
|
|
|
/* If the link is up, read the speed and duplex */
|
|
/* If we aren't autonegotiating, assume speeds
|
|
* are as set */
|
|
if (mii_info->autoneg && mii_info->link) {
|
|
int val;
|
|
|
|
status = uec_phy_read(mii_info, 0x1f);
|
|
val = (status & 0x1c) >> 2;
|
|
|
|
switch (val) {
|
|
case 1:
|
|
mii_info->duplex = DUPLEX_HALF;
|
|
mii_info->speed = SPEED_10;
|
|
break;
|
|
case 5:
|
|
mii_info->duplex = DUPLEX_FULL;
|
|
mii_info->speed = SPEED_10;
|
|
break;
|
|
case 2:
|
|
mii_info->duplex = DUPLEX_HALF;
|
|
mii_info->speed = SPEED_100;
|
|
break;
|
|
case 6:
|
|
mii_info->duplex = DUPLEX_FULL;
|
|
mii_info->speed = SPEED_100;
|
|
break;
|
|
}
|
|
mii_info->pause = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct phy_info phy_info_dm9161 = {
|
|
.phy_id = 0x0181b880,
|
|
.phy_id_mask = 0x0ffffff0,
|
|
.name = "Davicom DM9161E",
|
|
.init = dm9161_init,
|
|
.config_aneg = dm9161_config_aneg,
|
|
.read_status = dm9161_read_status,
|
|
.close = dm9161_close,
|
|
};
|
|
|
|
static struct phy_info phy_info_dm9161a = {
|
|
.phy_id = 0x0181b8a0,
|
|
.phy_id_mask = 0x0ffffff0,
|
|
.name = "Davicom DM9161A",
|
|
.features = MII_BASIC_FEATURES,
|
|
.init = dm9161_init,
|
|
.config_aneg = dm9161_config_aneg,
|
|
.read_status = dm9161_read_status,
|
|
.ack_interrupt = dm9161_ack_interrupt,
|
|
.config_intr = dm9161_config_intr,
|
|
.close = dm9161_close,
|
|
};
|
|
|
|
static struct phy_info phy_info_marvell = {
|
|
.phy_id = 0x01410c00,
|
|
.phy_id_mask = 0xffffff00,
|
|
.name = "Marvell 88E11x1",
|
|
.features = MII_GBIT_FEATURES,
|
|
.init = &uec_marvell_init,
|
|
.config_aneg = &marvell_config_aneg,
|
|
.read_status = &marvell_read_status,
|
|
.ack_interrupt = &marvell_ack_interrupt,
|
|
.config_intr = &marvell_config_intr,
|
|
};
|
|
|
|
static struct phy_info phy_info_bcm5481 = {
|
|
.phy_id = 0x0143bca0,
|
|
.phy_id_mask = 0xffffff0,
|
|
.name = "Broadcom 5481",
|
|
.features = MII_GBIT_FEATURES,
|
|
.read_status = genmii_read_status,
|
|
.init = bcm_init,
|
|
};
|
|
|
|
static struct phy_info phy_info_fixedphy = {
|
|
.phy_id = CONFIG_FIXED_PHY,
|
|
.phy_id_mask = CONFIG_FIXED_PHY,
|
|
.name = "Fixed PHY",
|
|
.config_aneg = fixed_phy_aneg,
|
|
.read_status = fixed_phy_read_status,
|
|
};
|
|
|
|
static struct phy_info phy_info_smsclan8700 = {
|
|
.phy_id = 0x0007c0c0,
|
|
.phy_id_mask = 0xfffffff0,
|
|
.name = "SMSC LAN8700",
|
|
.features = MII_BASIC_FEATURES,
|
|
.config_aneg = smsc_config_aneg,
|
|
.read_status = smsc_read_status,
|
|
};
|
|
|
|
static struct phy_info phy_info_genmii = {
|
|
.phy_id = 0x00000000,
|
|
.phy_id_mask = 0x00000000,
|
|
.name = "Generic MII",
|
|
.features = MII_BASIC_FEATURES,
|
|
.config_aneg = genmii_config_aneg,
|
|
.read_status = genmii_read_status,
|
|
};
|
|
|
|
static struct phy_info *phy_info[] = {
|
|
&phy_info_dm9161,
|
|
&phy_info_dm9161a,
|
|
&phy_info_marvell,
|
|
&phy_info_bcm5481,
|
|
&phy_info_smsclan8700,
|
|
&phy_info_fixedphy,
|
|
&phy_info_genmii,
|
|
NULL
|
|
};
|
|
|
|
u16 uec_phy_read(struct uec_mii_info *mii_info, u16 regnum)
|
|
{
|
|
return mii_info->mdio_read (mii_info->dev, mii_info->mii_id, regnum);
|
|
}
|
|
|
|
void uec_phy_write(struct uec_mii_info *mii_info, u16 regnum, u16 val)
|
|
{
|
|
mii_info->mdio_write (mii_info->dev, mii_info->mii_id, regnum, val);
|
|
}
|
|
|
|
/* Use the PHY ID registers to determine what type of PHY is attached
|
|
* to device dev. return a struct phy_info structure describing that PHY
|
|
*/
|
|
struct phy_info *uec_get_phy_info (struct uec_mii_info *mii_info)
|
|
{
|
|
u16 phy_reg;
|
|
u32 phy_ID;
|
|
int i;
|
|
struct phy_info *theInfo = NULL;
|
|
|
|
/* Grab the bits from PHYIR1, and put them in the upper half */
|
|
phy_reg = uec_phy_read(mii_info, MII_PHYSID1);
|
|
phy_ID = (phy_reg & 0xffff) << 16;
|
|
|
|
/* Grab the bits from PHYIR2, and put them in the lower half */
|
|
phy_reg = uec_phy_read(mii_info, MII_PHYSID2);
|
|
phy_ID |= (phy_reg & 0xffff);
|
|
|
|
/* loop through all the known PHY types, and find one that */
|
|
/* matches the ID we read from the PHY. */
|
|
for (i = 0; phy_info[i]; i++)
|
|
if (phy_info[i]->phy_id ==
|
|
(phy_ID & phy_info[i]->phy_id_mask)) {
|
|
theInfo = phy_info[i];
|
|
break;
|
|
}
|
|
|
|
/* This shouldn't happen, as we have generic PHY support */
|
|
if (theInfo == NULL) {
|
|
ugphy_info ("UEC: PHY id %x is not supported!", phy_ID);
|
|
return NULL;
|
|
} else {
|
|
ugphy_info ("UEC: PHY is %s (%x)", theInfo->name, phy_ID);
|
|
}
|
|
|
|
return theInfo;
|
|
}
|
|
|
|
void marvell_phy_interface_mode(struct eth_device *dev, phy_interface_t type,
|
|
int speed)
|
|
{
|
|
uec_private_t *uec = (uec_private_t *) dev->priv;
|
|
struct uec_mii_info *mii_info;
|
|
u16 status;
|
|
|
|
if (!uec->mii_info) {
|
|
printf ("%s: the PHY not initialized\n", __FUNCTION__);
|
|
return;
|
|
}
|
|
mii_info = uec->mii_info;
|
|
|
|
if (type == PHY_INTERFACE_MODE_RGMII) {
|
|
if (speed == SPEED_100) {
|
|
uec_phy_write(mii_info, 0x00, 0x9140);
|
|
uec_phy_write(mii_info, 0x1d, 0x001f);
|
|
uec_phy_write(mii_info, 0x1e, 0x200c);
|
|
uec_phy_write(mii_info, 0x1d, 0x0005);
|
|
uec_phy_write(mii_info, 0x1e, 0x0000);
|
|
uec_phy_write(mii_info, 0x1e, 0x0100);
|
|
uec_phy_write(mii_info, 0x09, 0x0e00);
|
|
uec_phy_write(mii_info, 0x04, 0x01e1);
|
|
uec_phy_write(mii_info, 0x00, 0x9140);
|
|
uec_phy_write(mii_info, 0x00, 0x1000);
|
|
udelay (100000);
|
|
uec_phy_write(mii_info, 0x00, 0x2900);
|
|
uec_phy_write(mii_info, 0x14, 0x0cd2);
|
|
uec_phy_write(mii_info, 0x00, 0xa100);
|
|
uec_phy_write(mii_info, 0x09, 0x0000);
|
|
uec_phy_write(mii_info, 0x1b, 0x800b);
|
|
uec_phy_write(mii_info, 0x04, 0x05e1);
|
|
uec_phy_write(mii_info, 0x00, 0xa100);
|
|
uec_phy_write(mii_info, 0x00, 0x2100);
|
|
udelay (1000000);
|
|
} else if (speed == SPEED_10) {
|
|
uec_phy_write(mii_info, 0x14, 0x8e40);
|
|
uec_phy_write(mii_info, 0x1b, 0x800b);
|
|
uec_phy_write(mii_info, 0x14, 0x0c82);
|
|
uec_phy_write(mii_info, 0x00, 0x8100);
|
|
udelay (1000000);
|
|
}
|
|
}
|
|
|
|
/* handle 88e1111 rev.B2 erratum 5.6 */
|
|
if (mii_info->autoneg) {
|
|
status = uec_phy_read(mii_info, MII_BMCR);
|
|
uec_phy_write(mii_info, MII_BMCR, status | BMCR_ANENABLE);
|
|
}
|
|
/* now the B2 will correctly report autoneg completion status */
|
|
}
|
|
|
|
void change_phy_interface_mode (struct eth_device *dev,
|
|
phy_interface_t type, int speed)
|
|
{
|
|
#ifdef CONFIG_PHY_MODE_NEED_CHANGE
|
|
marvell_phy_interface_mode (dev, type, speed);
|
|
#endif
|
|
}
|