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r8169.c
2282 lines (1787 loc) · 53.6 KB
/
r8169.c
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/*
* Copyright (c) 2008 Marty Connor <mdc@etherboot.org>
* Copyright (c) 2008 Entity Cyber, Inc.
*
* 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; either version 2 of the
* License, or any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* This driver is based on rtl8169 data sheets and work by:
*
* Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
* Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
* Copyright (c) a lot of people too. Please respect their work.
*/
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <assert.h>
#include <byteswap.h>
#include <errno.h>
#include <gpxe/ethernet.h>
#include <gpxe/if_ether.h>
#include <gpxe/io.h>
#include <gpxe/iobuf.h>
#include <gpxe/malloc.h>
#include <gpxe/netdevice.h>
#include <gpxe/pci.h>
#include <gpxe/timer.h>
#include "r8169.h"
/*** Low level hardware routines ***/
static void mdio_write(void *ioaddr, int reg_addr, int value)
{
int i;
DBGP ( "mdio_write\n" );
RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
for (i = 20; i > 0; i--) {
/*
* Check if the RTL8169 has completed writing to the specified
* MII register.
*/
if (!(RTL_R32(PHYAR) & 0x80000000))
break;
udelay(25);
}
}
static int mdio_read(void *ioaddr, int reg_addr)
{
int i, value = -1;
DBGP ( "mdio_read\n" );
RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
for (i = 20; i > 0; i--) {
/*
* Check if the RTL8169 has completed retrieving data from
* the specified MII register.
*/
if (RTL_R32(PHYAR) & 0x80000000) {
value = RTL_R32(PHYAR) & 0xffff;
break;
}
udelay(25);
}
return value;
}
static void mdio_patch(void *ioaddr, int reg_addr, int value)
{
DBGP ( "mdio_patch\n" );
mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value);
}
static void rtl_ephy_write(void *ioaddr, int reg_addr, int value)
{
unsigned int i;
DBGP ( "rtl_ephy_write\n" );
RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
(reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
for (i = 0; i < 100; i++) {
if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
break;
udelay(10);
}
}
static u16 rtl_ephy_read(void *ioaddr, int reg_addr)
{
u16 value = 0xffff;
unsigned int i;
DBGP ( "rtl_ephy_read\n" );
RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
for (i = 0; i < 100; i++) {
if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
break;
}
udelay(10);
}
return value;
}
static void rtl_csi_write(void *ioaddr, int addr, int value)
{
unsigned int i;
DBGP ( "rtl_csi_write\n" );
RTL_W32(CSIDR, value);
RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
for (i = 0; i < 100; i++) {
if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
break;
udelay(10);
}
}
static u32 rtl_csi_read(void *ioaddr, int addr)
{
u32 value = ~0x00;
unsigned int i;
DBGP ( "rtl_csi_read\n" );
RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
for (i = 0; i < 100; i++) {
if (RTL_R32(CSIAR) & CSIAR_FLAG) {
value = RTL_R32(CSIDR);
break;
}
udelay(10);
}
return value;
}
static void rtl8169_irq_mask_and_ack(void *ioaddr)
{
DBGP ( "rtl8169_irq_mask_and_ack\n" );
RTL_W16(IntrMask, 0x0000);
RTL_W16(IntrStatus, 0xffff);
}
static unsigned int rtl8169_tbi_reset_pending(void *ioaddr)
{
DBGP ( "rtl8169_tbi_reset_pending\n" );
return RTL_R32(TBICSR) & TBIReset;
}
static unsigned int rtl8169_xmii_reset_pending(void *ioaddr)
{
DBGP ( "rtl8169_xmii_reset_pending\n" );
return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET;
}
static unsigned int rtl8169_tbi_link_ok(void *ioaddr)
{
DBGP ( "rtl8169_tbi_link_ok\n" );
return RTL_R32(TBICSR) & TBILinkOk;
}
static unsigned int rtl8169_xmii_link_ok(void *ioaddr)
{
DBGP ( "rtl8169_xmii_link_ok\n" );
return RTL_R8(PHYstatus) & LinkStatus;
}
static void rtl8169_tbi_reset_enable(void *ioaddr)
{
DBGP ( "rtl8169_tbi_reset_enable\n" );
RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
}
static void rtl8169_xmii_reset_enable(void *ioaddr)
{
unsigned int val;
DBGP ( "rtl8169_xmii_reset_enable\n" );
val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET;
mdio_write(ioaddr, MII_BMCR, val & 0xffff);
}
static int rtl8169_set_speed_tbi(struct net_device *dev,
u8 autoneg, u16 speed, u8 duplex)
{
struct rtl8169_private *tp = netdev_priv(dev);
void *ioaddr = tp->mmio_addr;
int ret = 0;
u32 reg;
DBGP ( "rtl8169_set_speed_tbi\n" );
reg = RTL_R32(TBICSR);
if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
(duplex == DUPLEX_FULL)) {
RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
} else if (autoneg == AUTONEG_ENABLE)
RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
else {
DBG ( "incorrect speed setting refused in TBI mode\n" );
ret = -EOPNOTSUPP;
}
return ret;
}
static int rtl8169_set_speed_xmii(struct net_device *dev,
u8 autoneg, u16 speed, u8 duplex)
{
struct rtl8169_private *tp = netdev_priv(dev);
void *ioaddr = tp->mmio_addr;
int auto_nego, giga_ctrl;
DBGP ( "rtl8169_set_speed_xmii\n" );
auto_nego = mdio_read(ioaddr, MII_ADVERTISE);
auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
ADVERTISE_100HALF | ADVERTISE_100FULL);
giga_ctrl = mdio_read(ioaddr, MII_CTRL1000);
giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
if (autoneg == AUTONEG_ENABLE) {
auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL |
ADVERTISE_100HALF | ADVERTISE_100FULL);
giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
} else {
if (speed == SPEED_10)
auto_nego |= ADVERTISE_10HALF | ADVERTISE_10FULL;
else if (speed == SPEED_100)
auto_nego |= ADVERTISE_100HALF | ADVERTISE_100FULL;
else if (speed == SPEED_1000)
giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
if (duplex == DUPLEX_HALF)
auto_nego &= ~(ADVERTISE_10FULL | ADVERTISE_100FULL);
if (duplex == DUPLEX_FULL)
auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_100HALF);
/* This tweak comes straight from Realtek's driver. */
if ((speed == SPEED_100) && (duplex == DUPLEX_HALF) &&
((tp->mac_version == RTL_GIGA_MAC_VER_13) ||
(tp->mac_version == RTL_GIGA_MAC_VER_16))) {
auto_nego = ADVERTISE_100HALF | ADVERTISE_CSMA;
}
}
/* The 8100e/8101e/8102e do Fast Ethernet only. */
if ((tp->mac_version == RTL_GIGA_MAC_VER_07) ||
(tp->mac_version == RTL_GIGA_MAC_VER_08) ||
(tp->mac_version == RTL_GIGA_MAC_VER_09) ||
(tp->mac_version == RTL_GIGA_MAC_VER_10) ||
(tp->mac_version == RTL_GIGA_MAC_VER_13) ||
(tp->mac_version == RTL_GIGA_MAC_VER_14) ||
(tp->mac_version == RTL_GIGA_MAC_VER_15) ||
(tp->mac_version == RTL_GIGA_MAC_VER_16)) {
if ((giga_ctrl & (ADVERTISE_1000FULL | ADVERTISE_1000HALF))) {
DBG ( "PHY does not support 1000Mbps.\n" );
}
giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
}
auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
if ((tp->mac_version == RTL_GIGA_MAC_VER_11) ||
(tp->mac_version == RTL_GIGA_MAC_VER_12) ||
(tp->mac_version >= RTL_GIGA_MAC_VER_17)) {
/*
* Wake up the PHY.
* Vendor specific (0x1f) and reserved (0x0e) MII registers.
*/
mdio_write(ioaddr, 0x1f, 0x0000);
mdio_write(ioaddr, 0x0e, 0x0000);
}
tp->phy_auto_nego_reg = auto_nego;
tp->phy_1000_ctrl_reg = giga_ctrl;
mdio_write(ioaddr, MII_ADVERTISE, auto_nego);
mdio_write(ioaddr, MII_CTRL1000, giga_ctrl);
mdio_write(ioaddr, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART);
return 0;
}
static int rtl8169_set_speed(struct net_device *dev,
u8 autoneg, u16 speed, u8 duplex)
{
struct rtl8169_private *tp = netdev_priv(dev);
int ret;
DBGP ( "rtl8169_set_speed\n" );
ret = tp->set_speed(dev, autoneg, speed, duplex);
return ret;
}
static void rtl8169_write_gmii_reg_bit(void *ioaddr, int reg,
int bitnum, int bitval)
{
int val;
DBGP ( "rtl8169_write_gmii_reg_bit\n" );
val = mdio_read(ioaddr, reg);
val = (bitval == 1) ?
val | (bitval << bitnum) : val & ~(0x0001 << bitnum);
mdio_write(ioaddr, reg, val & 0xffff);
}
static void rtl8169_get_mac_version(struct rtl8169_private *tp,
void *ioaddr)
{
/*
* The driver currently handles the 8168Bf and the 8168Be identically
* but they can be identified more specifically through the test below
* if needed:
*
* (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
*
* Same thing for the 8101Eb and the 8101Ec:
*
* (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
*/
const struct {
u32 mask;
u32 val;
int mac_version;
} mac_info[] = {
/* 8168D family. */
{ 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_25 },
/* 8168C family. */
{ 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 },
{ 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
{ 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
{ 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
{ 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
{ 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
{ 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
{ 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
{ 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
/* 8168B family. */
{ 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
{ 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
{ 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
{ 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
/* 8101 family. */
{ 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
{ 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
{ 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
{ 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
{ 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
{ 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
{ 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
{ 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
{ 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
{ 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
{ 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
{ 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
/* FIXME: where did these entries come from ? -- FR */
{ 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
{ 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
/* 8110 family. */
{ 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
{ 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
{ 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
{ 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
{ 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
{ 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
{ 0x00000000, 0x00000000, RTL_GIGA_MAC_VER_01 } /* Catch-all */
}, *p = mac_info;
u32 reg;
DBGP ( "rtl8169_get_mac_version\n" );
reg = RTL_R32(TxConfig);
while ((reg & p->mask) != p->val)
p++;
tp->mac_version = p->mac_version;
DBG ( "tp->mac_version = %d\n", tp->mac_version );
if (p->mask == 0x00000000) {
DBG ( "unknown MAC (%08x)\n", reg );
}
}
struct phy_reg {
u16 reg;
u16 val;
};
static void rtl_phy_write(void *ioaddr, struct phy_reg *regs, int len)
{
DBGP ( "rtl_phy_write\n" );
while (len-- > 0) {
mdio_write(ioaddr, regs->reg, regs->val);
regs++;
}
}
static void rtl8169s_hw_phy_config(void *ioaddr)
{
struct {
u16 regs[5]; /* Beware of bit-sign propagation */
} phy_magic[5] = { {
{ 0x0000, //w 4 15 12 0
0x00a1, //w 3 15 0 00a1
0x0008, //w 2 15 0 0008
0x1020, //w 1 15 0 1020
0x1000 } },{ //w 0 15 0 1000
{ 0x7000, //w 4 15 12 7
0xff41, //w 3 15 0 ff41
0xde60, //w 2 15 0 de60
0x0140, //w 1 15 0 0140
0x0077 } },{ //w 0 15 0 0077
{ 0xa000, //w 4 15 12 a
0xdf01, //w 3 15 0 df01
0xdf20, //w 2 15 0 df20
0xff95, //w 1 15 0 ff95
0xfa00 } },{ //w 0 15 0 fa00
{ 0xb000, //w 4 15 12 b
0xff41, //w 3 15 0 ff41
0xde20, //w 2 15 0 de20
0x0140, //w 1 15 0 0140
0x00bb } },{ //w 0 15 0 00bb
{ 0xf000, //w 4 15 12 f
0xdf01, //w 3 15 0 df01
0xdf20, //w 2 15 0 df20
0xff95, //w 1 15 0 ff95
0xbf00 } //w 0 15 0 bf00
}
}, *p = phy_magic;
unsigned int i;
DBGP ( "rtl8169s_hw_phy_config\n" );
mdio_write(ioaddr, 0x1f, 0x0001); //w 31 2 0 1
mdio_write(ioaddr, 0x15, 0x1000); //w 21 15 0 1000
mdio_write(ioaddr, 0x18, 0x65c7); //w 24 15 0 65c7
rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0
for (i = 0; i < ARRAY_SIZE(phy_magic); i++, p++) {
int val, pos = 4;
val = (mdio_read(ioaddr, pos) & 0x0fff) | (p->regs[0] & 0xffff);
mdio_write(ioaddr, pos, val);
while (--pos >= 0)
mdio_write(ioaddr, pos, p->regs[4 - pos] & 0xffff);
rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 1); //w 4 11 11 1
rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0
}
mdio_write(ioaddr, 0x1f, 0x0000); //w 31 2 0 0
}
static void rtl8169sb_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x1f, 0x0002 },
{ 0x01, 0x90d0 },
{ 0x1f, 0x0000 }
};
DBGP ( "rtl8169sb_hw_phy_config\n" );
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}
static void rtl8168bb_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x10, 0xf41b },
{ 0x1f, 0x0000 }
};
mdio_write(ioaddr, 0x1f, 0x0001);
mdio_patch(ioaddr, 0x16, 1 << 0);
DBGP ( "rtl8168bb_hw_phy_config\n" );
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}
static void rtl8168bef_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x1f, 0x0001 },
{ 0x10, 0xf41b },
{ 0x1f, 0x0000 }
};
DBGP ( "rtl8168bef_hw_phy_config\n" );
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}
static void rtl8168cp_1_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x1f, 0x0000 },
{ 0x1d, 0x0f00 },
{ 0x1f, 0x0002 },
{ 0x0c, 0x1ec8 },
{ 0x1f, 0x0000 }
};
DBGP ( "rtl8168cp_1_hw_phy_config\n" );
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}
static void rtl8168cp_2_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x1f, 0x0001 },
{ 0x1d, 0x3d98 },
{ 0x1f, 0x0000 }
};
DBGP ( "rtl8168cp_2_hw_phy_config\n" );
mdio_write(ioaddr, 0x1f, 0x0000);
mdio_patch(ioaddr, 0x14, 1 << 5);
mdio_patch(ioaddr, 0x0d, 1 << 5);
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}
static void rtl8168c_1_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x1f, 0x0001 },
{ 0x12, 0x2300 },
{ 0x1f, 0x0002 },
{ 0x00, 0x88d4 },
{ 0x01, 0x82b1 },
{ 0x03, 0x7002 },
{ 0x08, 0x9e30 },
{ 0x09, 0x01f0 },
{ 0x0a, 0x5500 },
{ 0x0c, 0x00c8 },
{ 0x1f, 0x0003 },
{ 0x12, 0xc096 },
{ 0x16, 0x000a },
{ 0x1f, 0x0000 },
{ 0x1f, 0x0000 },
{ 0x09, 0x2000 },
{ 0x09, 0x0000 }
};
DBGP ( "rtl8168c_1_hw_phy_config\n" );
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
mdio_patch(ioaddr, 0x14, 1 << 5);
mdio_patch(ioaddr, 0x0d, 1 << 5);
mdio_write(ioaddr, 0x1f, 0x0000);
}
static void rtl8168c_2_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x1f, 0x0001 },
{ 0x12, 0x2300 },
{ 0x03, 0x802f },
{ 0x02, 0x4f02 },
{ 0x01, 0x0409 },
{ 0x00, 0xf099 },
{ 0x04, 0x9800 },
{ 0x04, 0x9000 },
{ 0x1d, 0x3d98 },
{ 0x1f, 0x0002 },
{ 0x0c, 0x7eb8 },
{ 0x06, 0x0761 },
{ 0x1f, 0x0003 },
{ 0x16, 0x0f0a },
{ 0x1f, 0x0000 }
};
DBGP ( "rtl8168c_2_hw_phy_config\n" );
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
mdio_patch(ioaddr, 0x16, 1 << 0);
mdio_patch(ioaddr, 0x14, 1 << 5);
mdio_patch(ioaddr, 0x0d, 1 << 5);
mdio_write(ioaddr, 0x1f, 0x0000);
}
static void rtl8168c_3_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x1f, 0x0001 },
{ 0x12, 0x2300 },
{ 0x1d, 0x3d98 },
{ 0x1f, 0x0002 },
{ 0x0c, 0x7eb8 },
{ 0x06, 0x5461 },
{ 0x1f, 0x0003 },
{ 0x16, 0x0f0a },
{ 0x1f, 0x0000 }
};
DBGP ( "rtl8168c_3_hw_phy_config\n" );
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
mdio_patch(ioaddr, 0x16, 1 << 0);
mdio_patch(ioaddr, 0x14, 1 << 5);
mdio_patch(ioaddr, 0x0d, 1 << 5);
mdio_write(ioaddr, 0x1f, 0x0000);
}
static void rtl8168c_4_hw_phy_config(void *ioaddr)
{
DBGP ( "rtl8168c_4_hw_phy_config\n" );
rtl8168c_3_hw_phy_config(ioaddr);
}
static void rtl8168d_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init_0[] = {
{ 0x1f, 0x0001 },
{ 0x09, 0x2770 },
{ 0x08, 0x04d0 },
{ 0x0b, 0xad15 },
{ 0x0c, 0x5bf0 },
{ 0x1c, 0xf101 },
{ 0x1f, 0x0003 },
{ 0x14, 0x94d7 },
{ 0x12, 0xf4d6 },
{ 0x09, 0xca0f },
{ 0x1f, 0x0002 },
{ 0x0b, 0x0b10 },
{ 0x0c, 0xd1f7 },
{ 0x1f, 0x0002 },
{ 0x06, 0x5461 },
{ 0x1f, 0x0002 },
{ 0x05, 0x6662 },
{ 0x1f, 0x0000 },
{ 0x14, 0x0060 },
{ 0x1f, 0x0000 },
{ 0x0d, 0xf8a0 },
{ 0x1f, 0x0005 },
{ 0x05, 0xffc2 }
};
DBGP ( "rtl8168d_hw_phy_config\n" );
rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
if (mdio_read(ioaddr, 0x06) == 0xc400) {
struct phy_reg phy_reg_init_1[] = {
{ 0x1f, 0x0005 },
{ 0x01, 0x0300 },
{ 0x1f, 0x0000 },
{ 0x11, 0x401c },
{ 0x16, 0x4100 },
{ 0x1f, 0x0005 },
{ 0x07, 0x0010 },
{ 0x05, 0x83dc },
{ 0x06, 0x087d },
{ 0x05, 0x8300 },
{ 0x06, 0x0101 },
{ 0x06, 0x05f8 },
{ 0x06, 0xf9fa },
{ 0x06, 0xfbef },
{ 0x06, 0x79e2 },
{ 0x06, 0x835f },
{ 0x06, 0xe0f8 },
{ 0x06, 0x9ae1 },
{ 0x06, 0xf89b },
{ 0x06, 0xef31 },
{ 0x06, 0x3b65 },
{ 0x06, 0xaa07 },
{ 0x06, 0x81e4 },
{ 0x06, 0xf89a },
{ 0x06, 0xe5f8 },
{ 0x06, 0x9baf },
{ 0x06, 0x06ae },
{ 0x05, 0x83dc },
{ 0x06, 0x8300 },
};
rtl_phy_write(ioaddr, phy_reg_init_1,
ARRAY_SIZE(phy_reg_init_1));
}
mdio_write(ioaddr, 0x1f, 0x0000);
}
static void rtl8102e_hw_phy_config(void *ioaddr)
{
struct phy_reg phy_reg_init[] = {
{ 0x1f, 0x0003 },
{ 0x08, 0x441d },
{ 0x01, 0x9100 },
{ 0x1f, 0x0000 }
};
DBGP ( "rtl8102e_hw_phy_config\n" );
mdio_write(ioaddr, 0x1f, 0x0000);
mdio_patch(ioaddr, 0x11, 1 << 12);
mdio_patch(ioaddr, 0x19, 1 << 13);
rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init));
}
static void rtl_hw_phy_config(struct net_device *dev)
{
struct rtl8169_private *tp = netdev_priv(dev);
void *ioaddr = tp->mmio_addr;
DBGP ( "rtl_hw_phy_config\n" );
DBG ( "mac_version = 0x%02x\n", tp->mac_version );
switch (tp->mac_version) {
case RTL_GIGA_MAC_VER_01:
break;
case RTL_GIGA_MAC_VER_02:
case RTL_GIGA_MAC_VER_03:
rtl8169s_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_04:
rtl8169sb_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_07:
case RTL_GIGA_MAC_VER_08:
case RTL_GIGA_MAC_VER_09:
rtl8102e_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_11:
rtl8168bb_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_12:
rtl8168bef_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_17:
rtl8168bef_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_18:
rtl8168cp_1_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_19:
rtl8168c_1_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_20:
rtl8168c_2_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_21:
rtl8168c_3_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_22:
rtl8168c_4_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_23:
case RTL_GIGA_MAC_VER_24:
rtl8168cp_2_hw_phy_config(ioaddr);
break;
case RTL_GIGA_MAC_VER_25:
rtl8168d_hw_phy_config(ioaddr);
break;
default:
break;
}
}
static void rtl8169_phy_reset(struct net_device *dev __unused,
struct rtl8169_private *tp)
{
void *ioaddr = tp->mmio_addr;
unsigned int i;
DBGP ( "rtl8169_phy_reset\n" );
tp->phy_reset_enable(ioaddr);
for (i = 0; i < 100; i++) {
if (!tp->phy_reset_pending(ioaddr))
return;
mdelay ( 1 );
}
DBG ( "PHY reset failed.\n" );
}
static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
{
void *ioaddr = tp->mmio_addr;
DBGP ( "rtl8169_init_phy\n" );
rtl_hw_phy_config(dev);
if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
DBG ( "Set MAC Reg C+CR Offset 0x82h = 0x01h\n" );
RTL_W8(0x82, 0x01);
}
pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
DBG ( "Set MAC Reg C+CR Offset 0x82h = 0x01h\n" );
RTL_W8(0x82, 0x01);
DBG ( "Set PHY Reg 0x0bh = 0x00h\n" );
mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0
}
rtl8169_phy_reset(dev, tp);
/*
* rtl8169_set_speed_xmii takes good care of the Fast Ethernet
* only 8101. Don't panic.
*/
rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL);
if ((RTL_R8(PHYstatus) & TBI_Enable))
DBG ( "TBI auto-negotiating\n" );
}
static const struct rtl_cfg_info {
void (*hw_start)(struct net_device *);
unsigned int region;
unsigned int align;
u16 intr_event;
u16 napi_event;
unsigned features;
} rtl_cfg_infos [] = {
[RTL_CFG_0] = {
.hw_start = rtl_hw_start_8169,
.region = 1,
.align = 0,
.intr_event = SYSErr | LinkChg | RxOverflow |
RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
.napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
.features = RTL_FEATURE_GMII
},
[RTL_CFG_1] = {
.hw_start = rtl_hw_start_8168,
.region = 2,
.align = 8,
.intr_event = SYSErr | LinkChg | RxOverflow |
TxErr | TxOK | RxOK | RxErr,
.napi_event = TxErr | TxOK | RxOK | RxOverflow,
.features = RTL_FEATURE_GMII
},
[RTL_CFG_2] = {
.hw_start = rtl_hw_start_8101,
.region = 2,
.align = 8,
.intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
.napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
}
};
static void rtl8169_hw_reset(void *ioaddr)
{
DBGP ( "rtl8169_hw_reset\n" );
/* Disable interrupts */
rtl8169_irq_mask_and_ack(ioaddr);
/* Reset the chipset */
RTL_W8(ChipCmd, CmdReset);
/* PCI commit */
RTL_R8(ChipCmd);
}
static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
{
void *ioaddr = tp->mmio_addr;
u32 cfg = rtl8169_rx_config;
DBGP ( "rtl_set_rx_tx_config_registers\n" );
cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask);
RTL_W32(RxConfig, cfg);
/* Set DMA burst size and Interframe Gap Time */
RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
(InterFrameGap << TxInterFrameGapShift));
}
static void rtl_soft_reset ( struct net_device *dev )
{
struct rtl8169_private *tp = netdev_priv(dev);
void *ioaddr = tp->mmio_addr;
unsigned int i;
DBGP ( "rtl_hw_soft_reset\n" );
/* Soft reset the chip. */
RTL_W8(ChipCmd, CmdReset);
/* Check that the chip has finished the reset. */
for (i = 0; i < 100; i++) {
if ((RTL_R8(ChipCmd) & CmdReset) == 0)
break;
mdelay ( 1 );
}
if ( i == 100 ) {
DBG ( "Reset Failed! (> 100 iterations)\n" );
}
}
static void rtl_hw_start ( struct net_device *dev )
{
struct rtl8169_private *tp = netdev_priv ( dev );
DBGP ( "rtl_hw_start\n" );
/* Soft reset NIC */
rtl_soft_reset ( dev );
tp->hw_start ( dev );
}
static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
void *ioaddr)
{
DBGP ( "rtl_set_rx_tx_desc_registers\n" );
/*
* Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
* register to be written before TxDescAddrLow to work.
* Switching from MMIO to I/O access fixes the issue as well.
*/
RTL_W32 ( TxDescStartAddrHigh, 0 );
RTL_W32 ( TxDescStartAddrLow, virt_to_bus ( tp->tx_base ) );
RTL_W32 ( RxDescAddrHigh, 0 );
RTL_W32 ( RxDescAddrLow, virt_to_bus ( tp->rx_base ) );
}
static u16 rtl_rw_cpluscmd(void *ioaddr)
{
u16 cmd;
DBGP ( "rtl_rw_cpluscmd\n" );
cmd = RTL_R16(CPlusCmd);
RTL_W16(CPlusCmd, cmd);
return cmd;
}
static void rtl_set_rx_max_size(void *ioaddr)
{
DBGP ( "rtl_set_rx_max_size\n" );