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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:54:18 +0000
commit8e67fbf68ffeb9eb5f026dd482d73b021660bf9b (patch)
treebb573facd5d02096f9956b2617a722b88acaa8af /debian/grub-extras/disabled/gpxe/src/drivers/net/r8169.c
parentAdding upstream version 2.06. (diff)
downloadgrub2-8e67fbf68ffeb9eb5f026dd482d73b021660bf9b.tar.xz
grub2-8e67fbf68ffeb9eb5f026dd482d73b021660bf9b.zip
Adding debian version 2.06-3~deb11u6.debian/2.06-3_deb11u6debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'debian/grub-extras/disabled/gpxe/src/drivers/net/r8169.c')
-rw-r--r--debian/grub-extras/disabled/gpxe/src/drivers/net/r8169.c2285
1 files changed, 2285 insertions, 0 deletions
diff --git a/debian/grub-extras/disabled/gpxe/src/drivers/net/r8169.c b/debian/grub-extras/disabled/gpxe/src/drivers/net/r8169.c
new file mode 100644
index 0000000..b468782
--- /dev/null
+++ b/debian/grub-extras/disabled/gpxe/src/drivers/net/r8169.c
@@ -0,0 +1,2285 @@
+/*
+ * 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.
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#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 <mii.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" );
+
+ RTL_W16 ( RxMaxSize, RX_BUF_SIZE );
+}
+
+static void rtl8169_set_magic_reg(void *ioaddr, unsigned mac_version)
+{
+ struct {
+ u32 mac_version;
+ u32 clk;
+ u32 val;
+ } cfg2_info [] = {
+ { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
+ { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
+ { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
+ { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
+ }, *p = cfg2_info;
+ unsigned int i;
+ u32 clk;
+
+ DBGP ( "rtl8169_set_magic_reg\n" );
+
+ clk = RTL_R8(Config2) & PCI_Clock_66MHz;
+ for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
+ if ((p->mac_version == mac_version) && (p->clk == clk)) {
+ RTL_W32(0x7c, p->val);
+ break;
+ }
+ }
+}
+
+static void rtl_set_rx_mode ( struct net_device *netdev )
+{
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+ void *ioaddr = tp->mmio_addr;
+ u32 tmp;
+
+ DBGP ( "rtl_set_rx_mode\n" );
+
+ /* Accept all Multicast Packets */
+
+ RTL_W32 ( MAR0 + 0, 0xffffffff );
+ RTL_W32 ( MAR0 + 4, 0xffffffff );
+
+ tmp = rtl8169_rx_config | AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
+ ( RTL_R32 ( RxConfig ) & rtl_chip_info[tp->chipset].RxConfigMask );
+
+ RTL_W32 ( RxConfig, tmp );
+}
+
+static void rtl_hw_start_8169(struct net_device *dev)
+{
+ struct rtl8169_private *tp = netdev_priv(dev);
+ void *ioaddr = tp->mmio_addr;
+ struct pci_device *pdev = tp->pci_dev;
+
+ DBGP ( "rtl_hw_start_8169\n" );
+
+ if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
+ RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
+ pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
+ }
+
+ RTL_W8(Cfg9346, Cfg9346_Unlock);
+
+ if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_04))
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
+ RTL_W8(EarlyTxThres, EarlyTxThld);
+
+ rtl_set_rx_max_size(ioaddr);
+
+ if ((tp->mac_version == RTL_GIGA_MAC_VER_01) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_02) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_03) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_04))
+ rtl_set_rx_tx_config_registers(tp);
+
+ tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
+
+ if ((tp->mac_version == RTL_GIGA_MAC_VER_02) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_03)) {
+ DBG ( "Set MAC Reg C+CR Offset 0xE0. "
+ "Bit-3 and bit-14 MUST be 1\n" );
+ tp->cp_cmd |= (1 << 14);
+ }
+
+ RTL_W16(CPlusCmd, tp->cp_cmd);
+
+ rtl8169_set_magic_reg(ioaddr, tp->mac_version);
+
+ /*
+ * Undocumented corner. Supposedly:
+ * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
+ */
+ RTL_W16(IntrMitigate, 0x0000);
+
+ rtl_set_rx_tx_desc_registers(tp, ioaddr);
+
+ if ((tp->mac_version != RTL_GIGA_MAC_VER_01) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_02) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_03) &&
+ (tp->mac_version != RTL_GIGA_MAC_VER_04)) {
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+ rtl_set_rx_tx_config_registers(tp);
+ }
+
+ RTL_W8(Cfg9346, Cfg9346_Lock);
+
+ /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
+ RTL_R8(IntrMask);
+
+ RTL_W32(RxMissed, 0);
+
+ rtl_set_rx_mode(dev);
+
+ /* no early-rx interrupts */
+ RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
+
+ // RTL_W16(IntrMask, tp->intr_event);
+}
+
+static void rtl_tx_performance_tweak(struct pci_device *pdev, u16 force)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct rtl8169_private *tp = netdev_priv(dev);
+ int cap = tp->pcie_cap;
+
+ DBGP ( "rtl_tx_performance_tweak\n" );
+
+ if (cap) {
+ u16 ctl;
+
+ pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
+ ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
+ pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
+ }
+}
+
+static void rtl_csi_access_enable(void *ioaddr)
+{
+ u32 csi;
+
+ DBGP ( "rtl_csi_access_enable\n" );
+
+ csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
+ rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000);
+}
+
+struct ephy_info {
+ unsigned int offset;
+ u16 mask;
+ u16 bits;
+};
+
+static void rtl_ephy_init(void *ioaddr, struct ephy_info *e, int len)
+{
+ u16 w;
+
+ DBGP ( "rtl_ephy_init\n" );
+
+ while (len-- > 0) {
+ w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
+ rtl_ephy_write(ioaddr, e->offset, w);
+ e++;
+ }
+}
+
+static void rtl_disable_clock_request(struct pci_device *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct rtl8169_private *tp = netdev_priv(dev);
+ int cap = tp->pcie_cap;
+
+ DBGP ( "rtl_disable_clock_request\n" );
+
+ if (cap) {
+ u16 ctl;
+
+ pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
+ ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
+ pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
+ }
+}
+
+#define R8168_CPCMD_QUIRK_MASK (\
+ EnableBist | \
+ Mac_dbgo_oe | \
+ Force_half_dup | \
+ Force_rxflow_en | \
+ Force_txflow_en | \
+ Cxpl_dbg_sel | \
+ ASF | \
+ PktCntrDisable | \
+ Mac_dbgo_sel)
+
+static void rtl_hw_start_8168bb(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8168bb\n" );
+
+ RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
+
+ RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
+
+ rtl_tx_performance_tweak(pdev,
+ (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
+}
+
+static void rtl_hw_start_8168bef(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8168bef\n" );
+
+ rtl_hw_start_8168bb(ioaddr, pdev);
+
+ RTL_W8(EarlyTxThres, EarlyTxThld);
+
+ RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
+}
+
+static void __rtl_hw_start_8168cp(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "__rtl_hw_start_8168cp\n" );
+
+ RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
+
+ RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
+
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+
+ rtl_disable_clock_request(pdev);
+
+ RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
+}
+
+static void rtl_hw_start_8168cp_1(void *ioaddr, struct pci_device *pdev)
+{
+ static struct ephy_info e_info_8168cp[] = {
+ { 0x01, 0, 0x0001 },
+ { 0x02, 0x0800, 0x1000 },
+ { 0x03, 0, 0x0042 },
+ { 0x06, 0x0080, 0x0000 },
+ { 0x07, 0, 0x2000 }
+ };
+
+ DBGP ( "rtl_hw_start_8168cp_1\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
+
+ __rtl_hw_start_8168cp(ioaddr, pdev);
+}
+
+static void rtl_hw_start_8168cp_2(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8168cp_2\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
+
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+
+ RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
+}
+
+static void rtl_hw_start_8168cp_3(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8168cp_3\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
+
+ /* Magic. */
+ RTL_W8(DBG_REG, 0x20);
+
+ RTL_W8(EarlyTxThres, EarlyTxThld);
+
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+
+ RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
+}
+
+static void rtl_hw_start_8168c_1(void *ioaddr, struct pci_device *pdev)
+{
+ static struct ephy_info e_info_8168c_1[] = {
+ { 0x02, 0x0800, 0x1000 },
+ { 0x03, 0, 0x0002 },
+ { 0x06, 0x0080, 0x0000 }
+ };
+
+ DBGP ( "rtl_hw_start_8168c_1\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
+
+ rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
+
+ __rtl_hw_start_8168cp(ioaddr, pdev);
+}
+
+static void rtl_hw_start_8168c_2(void *ioaddr, struct pci_device *pdev)
+{
+ static struct ephy_info e_info_8168c_2[] = {
+ { 0x01, 0, 0x0001 },
+ { 0x03, 0x0400, 0x0220 }
+ };
+
+ DBGP ( "rtl_hw_start_8168c_2\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
+
+ __rtl_hw_start_8168cp(ioaddr, pdev);
+}
+
+static void rtl_hw_start_8168c_3(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8168c_3\n" );
+
+ rtl_hw_start_8168c_2(ioaddr, pdev);
+}
+
+static void rtl_hw_start_8168c_4(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8168c_4\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ __rtl_hw_start_8168cp(ioaddr, pdev);
+}
+
+static void rtl_hw_start_8168d(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8168d\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ rtl_disable_clock_request(pdev);
+
+ RTL_W8(EarlyTxThres, EarlyTxThld);
+
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+
+ RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
+}
+
+static void rtl_hw_start_8168(struct net_device *dev)
+{
+ struct rtl8169_private *tp = netdev_priv(dev);
+ void *ioaddr = tp->mmio_addr;
+ struct pci_device *pdev = tp->pci_dev;
+
+ DBGP ( "rtl_hw_start_8168\n" );
+
+ RTL_W8(Cfg9346, Cfg9346_Unlock);
+
+ RTL_W8(EarlyTxThres, EarlyTxThld);
+
+ rtl_set_rx_max_size(ioaddr);
+
+ tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
+
+ RTL_W16(CPlusCmd, tp->cp_cmd);
+
+ RTL_W16(IntrMitigate, 0x5151);
+
+ /* Work around for RxFIFO overflow. */
+ if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
+ tp->intr_event |= RxFIFOOver | PCSTimeout;
+ tp->intr_event &= ~RxOverflow;
+ }
+
+ rtl_set_rx_tx_desc_registers(tp, ioaddr);
+
+ rtl_set_rx_mode(dev);
+
+ RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
+ (InterFrameGap << TxInterFrameGapShift));
+
+ RTL_R8(IntrMask);
+
+ switch (tp->mac_version) {
+ case RTL_GIGA_MAC_VER_11:
+ rtl_hw_start_8168bb(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_12:
+ case RTL_GIGA_MAC_VER_17:
+ rtl_hw_start_8168bef(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_18:
+ rtl_hw_start_8168cp_1(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_19:
+ rtl_hw_start_8168c_1(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_20:
+ rtl_hw_start_8168c_2(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_21:
+ rtl_hw_start_8168c_3(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_22:
+ rtl_hw_start_8168c_4(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_23:
+ rtl_hw_start_8168cp_2(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_24:
+ rtl_hw_start_8168cp_3(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_25:
+ rtl_hw_start_8168d(ioaddr, pdev);
+ break;
+
+ default:
+ DBG ( "Unknown chipset (mac_version = %d).\n",
+ tp->mac_version );
+ break;
+ }
+
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
+ RTL_W8(Cfg9346, Cfg9346_Lock);
+
+ RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
+
+ // RTL_W16(IntrMask, tp->intr_event);
+}
+
+#define R810X_CPCMD_QUIRK_MASK (\
+ EnableBist | \
+ Mac_dbgo_oe | \
+ Force_half_dup | \
+ Force_half_dup | \
+ Force_txflow_en | \
+ Cxpl_dbg_sel | \
+ ASF | \
+ PktCntrDisable | \
+ PCIDAC | \
+ PCIMulRW)
+
+static void rtl_hw_start_8102e_1(void *ioaddr, struct pci_device *pdev)
+{
+ static struct ephy_info e_info_8102e_1[] = {
+ { 0x01, 0, 0x6e65 },
+ { 0x02, 0, 0x091f },
+ { 0x03, 0, 0xc2f9 },
+ { 0x06, 0, 0xafb5 },
+ { 0x07, 0, 0x0e00 },
+ { 0x19, 0, 0xec80 },
+ { 0x01, 0, 0x2e65 },
+ { 0x01, 0, 0x6e65 }
+ };
+ u8 cfg1;
+
+ DBGP ( "rtl_hw_start_8102e_1\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ RTL_W8(DBG_REG, FIX_NAK_1);
+
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+
+ RTL_W8(Config1,
+ LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
+ RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
+
+ cfg1 = RTL_R8(Config1);
+ if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
+ RTL_W8(Config1, cfg1 & ~LEDS0);
+
+ RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
+
+ rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
+}
+
+static void rtl_hw_start_8102e_2(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8102e_2\n" );
+
+ rtl_csi_access_enable(ioaddr);
+
+ rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
+
+ RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
+ RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
+
+ RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK);
+}
+
+static void rtl_hw_start_8102e_3(void *ioaddr, struct pci_device *pdev)
+{
+ DBGP ( "rtl_hw_start_8102e_3\n" );
+
+ rtl_hw_start_8102e_2(ioaddr, pdev);
+
+ rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
+}
+
+static void rtl_hw_start_8101(struct net_device *dev)
+{
+ struct rtl8169_private *tp = netdev_priv(dev);
+ void *ioaddr = tp->mmio_addr;
+ struct pci_device *pdev = tp->pci_dev;
+
+ DBGP ( "rtl_hw_start_8101\n" );
+
+ if ((tp->mac_version == RTL_GIGA_MAC_VER_13) ||
+ (tp->mac_version == RTL_GIGA_MAC_VER_16)) {
+ int cap = tp->pcie_cap;
+
+ if (cap) {
+ pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
+ PCI_EXP_DEVCTL_NOSNOOP_EN);
+ }
+ }
+
+ switch (tp->mac_version) {
+ case RTL_GIGA_MAC_VER_07:
+ rtl_hw_start_8102e_1(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_08:
+ rtl_hw_start_8102e_3(ioaddr, pdev);
+ break;
+
+ case RTL_GIGA_MAC_VER_09:
+ rtl_hw_start_8102e_2(ioaddr, pdev);
+ break;
+ }
+
+ RTL_W8(Cfg9346, Cfg9346_Unlock);
+
+ RTL_W8(EarlyTxThres, EarlyTxThld);
+
+ rtl_set_rx_max_size(ioaddr);
+
+ tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
+
+ RTL_W16(CPlusCmd, tp->cp_cmd);
+
+ RTL_W16(IntrMitigate, 0x0000);
+
+ rtl_set_rx_tx_desc_registers(tp, ioaddr);
+
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+ rtl_set_rx_tx_config_registers(tp);
+
+ RTL_W8(Cfg9346, Cfg9346_Lock);
+
+ RTL_R8(IntrMask);
+
+ rtl_set_rx_mode(dev);
+
+ RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
+
+ RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
+
+ // RTL_W16(IntrMask, tp->intr_event);
+}
+
+/*** gPXE API Support Routines ***/
+
+/**
+ * setup_tx_resources - allocate tx resources (descriptors)
+ *
+ * @v tp Driver private storage
+ *
+ * @ret rc Returns 0 on success, negative on failure
+ **/
+static int
+rtl8169_setup_tx_resources ( struct rtl8169_private *tp )
+{
+ DBGP ( "rtl8169_setup_tx_resources\n" );
+
+ tp->tx_base = malloc_dma ( R8169_TX_RING_BYTES, TX_RING_ALIGN );
+
+ if ( ! tp->tx_base ) {
+ return -ENOMEM;
+ }
+
+ memset ( tp->tx_base, 0, R8169_TX_RING_BYTES );
+
+ DBG ( "tp->tx_base = %#08lx\n", virt_to_bus ( tp->tx_base ) );
+
+ tp->tx_fill_ctr = 0;
+ tp->tx_curr = 0;
+ tp->tx_tail = 0;
+
+ return 0;
+}
+
+static void
+rtl8169_process_tx_packets ( struct net_device *netdev )
+{
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+
+ uint32_t tx_status;
+ struct TxDesc *tx_curr_desc;
+
+ DBGP ( "rtl8169_process_tx_packets\n" );
+
+ while ( tp->tx_tail != tp->tx_curr ) {
+
+ tx_curr_desc = tp->tx_base + tp->tx_tail;
+
+ tx_status = tx_curr_desc->opts1;
+
+ DBG2 ( "Before DescOwn check tx_status: %#08x\n", tx_status );
+
+ /* if the packet at tx_tail is not owned by hardware it is for us */
+ if ( tx_status & DescOwn )
+ break;
+
+ DBG ( "Transmitted packet.\n" );
+ DBG ( "tp->tx_fill_ctr = %d\n", tp->tx_fill_ctr );
+ DBG ( "tp->tx_tail = %d\n", tp->tx_tail );
+ DBG ( "tp->tx_curr = %d\n", tp->tx_curr );
+ DBG ( "tx_status = %d\n", tx_status );
+ DBG ( "tx_curr_desc = %#08lx\n", virt_to_bus ( tx_curr_desc ) );
+
+ /* Pass packet to core for processing */
+ netdev_tx_complete ( netdev, tp->tx_iobuf[tp->tx_tail] );
+
+ memset ( tx_curr_desc, 0, sizeof ( *tx_curr_desc ) );
+
+ /* Decrement count of used descriptors */
+ tp->tx_fill_ctr--;
+
+ /* Increment sent packets index */
+ tp->tx_tail = ( tp->tx_tail + 1 ) % NUM_TX_DESC;
+ }
+}
+
+static void
+rtl8169_free_tx_resources ( struct rtl8169_private *tp )
+{
+ DBGP ( "rtl8169_free_tx_resources\n" );
+
+ free_dma ( tp->tx_base, R8169_TX_RING_BYTES );
+}
+
+static void
+rtl8169_populate_rx_descriptor ( struct rtl8169_private *tp, struct RxDesc *rx_desc, uint32_t index )
+{
+ DBGP ( "rtl8169_populate_rx_descriptor\n" );
+
+ DBG ( "Populating rx descriptor %d\n", index );
+
+ memset ( rx_desc, 0, sizeof ( *rx_desc ) );
+
+ rx_desc->addr_hi = 0;
+ rx_desc->addr_lo = virt_to_bus ( tp->rx_iobuf[index]->data );
+ rx_desc->opts2 = 0;
+ rx_desc->opts1 = ( index == ( NUM_RX_DESC - 1 ) ? RingEnd : 0 ) |
+ RX_BUF_SIZE;
+ rx_desc->opts1 |= DescOwn;
+}
+
+/**
+ * Refill descriptor ring
+ *
+ * @v netdev Net device
+ */
+static void rtl8169_refill_rx_ring ( struct rtl8169_private *tp )
+{
+ struct RxDesc *rx_curr_desc;
+ int i;
+
+ DBGP ( "rtl8169_refill_rx_ring\n" );
+
+ for ( i = 0; i < NUM_RX_DESC; i++ ) {
+
+ rx_curr_desc = ( tp->rx_base ) + i;
+
+ /* Don't touch descriptors owned by the NIC */
+ if ( rx_curr_desc->opts1 & DescOwn )
+ continue;
+
+ /* Don't touch descriptors with iobufs, they still need to be
+ processed by the poll routine */
+ if ( tp->rx_iobuf[tp->rx_curr] != NULL )
+ continue;
+
+ /** If we can't get an iobuf for this descriptor
+ try again later (next poll).
+ */
+ if ( ! ( tp->rx_iobuf[i] = alloc_iob ( RX_BUF_SIZE ) ) ) {
+ DBG ( "Refill rx ring failed!!\n" );
+ break;
+ }
+
+ rtl8169_populate_rx_descriptor ( tp, rx_curr_desc, i );
+ }
+}
+
+/**
+ * setup_rx_resources - allocate Rx resources (Descriptors)
+ *
+ * @v tp: Driver private structure
+ *
+ * @ret rc Returns 0 on success, negative on failure
+ *
+ **/
+static int
+rtl8169_setup_rx_resources ( struct rtl8169_private *tp )
+{
+ DBGP ( "rtl8169_setup_rx_resources\n" );
+
+ tp->rx_base = malloc_dma ( R8169_RX_RING_BYTES, RX_RING_ALIGN );
+
+ DBG ( "tp->rx_base = %#08lx\n", virt_to_bus ( tp->rx_base ) );
+
+ if ( ! tp->rx_base ) {
+ return -ENOMEM;
+ }
+ memset ( tp->rx_base, 0, R8169_RX_RING_BYTES );
+
+ rtl8169_refill_rx_ring ( tp );
+
+ tp->rx_curr = 0;
+
+ return 0;
+}
+
+static void
+rtl8169_process_rx_packets ( struct net_device *netdev )
+{
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+ uint32_t rx_status;
+ uint16_t rx_len;
+ struct RxDesc *rx_curr_desc;
+ int i;
+
+ DBGP ( "rtl8169_process_rx_packets\n" );
+
+ for ( i = 0; i < NUM_RX_DESC; i++ ) {
+
+ rx_curr_desc = tp->rx_base + tp->rx_curr;
+
+ rx_status = rx_curr_desc->opts1;
+
+ DBG2 ( "Before DescOwn check rx_status: %#08x\n", rx_status );
+
+ /* Hardware still owns the descriptor */
+ if ( rx_status & DescOwn )
+ break;
+
+ /* We own the descriptor, but it has not been refilled yet */
+ if ( tp->rx_iobuf[tp->rx_curr] == NULL )
+ break;
+
+ rx_len = rx_status & 0x3fff;
+
+ DBG ( "Received packet.\n" );
+ DBG ( "tp->rx_curr = %d\n", tp->rx_curr );
+ DBG ( "rx_len = %d\n", rx_len );
+ DBG ( "rx_status = %#08x\n", rx_status );
+ DBG ( "rx_curr_desc = %#08lx\n", virt_to_bus ( rx_curr_desc ) );
+
+ if ( rx_status & RxRES ) {
+
+ netdev_rx_err ( netdev, tp->rx_iobuf[tp->rx_curr], -EINVAL );
+
+ DBG ( "rtl8169_poll: Corrupted packet received!\n"
+ " rx_status: %#08x\n", rx_status );
+
+ } else {
+
+ /* Adjust size of the iobuf to reflect received data */
+ iob_put ( tp->rx_iobuf[tp->rx_curr], rx_len );
+
+ /* Add this packet to the receive queue. */
+ netdev_rx ( netdev, tp->rx_iobuf[tp->rx_curr] );
+ }
+
+ /* Invalidate this iobuf and descriptor */
+ tp->rx_iobuf[tp->rx_curr] = NULL;
+ memset ( rx_curr_desc, 0, sizeof ( *rx_curr_desc ) );
+
+ /* Update pointer to next available rx descriptor */
+ tp->rx_curr = ( tp->rx_curr + 1 ) % NUM_RX_DESC;
+ }
+ rtl8169_refill_rx_ring ( tp );
+}
+
+static void
+rtl8169_free_rx_resources ( struct rtl8169_private *tp )
+{
+ int i;
+
+ DBGP ( "rtl8169_free_rx_resources\n" );
+
+ free_dma ( tp->rx_base, R8169_RX_RING_BYTES );
+
+ for ( i = 0; i < NUM_RX_DESC; i++ ) {
+ free_iob ( tp->rx_iobuf[i] );
+ tp->rx_iobuf[i] = NULL;
+ }
+}
+
+/**
+ FIXME: Because gPXE's pci_device_id structure does not contain a
+ field to contain arbitrary data, we need the following table to
+ associate PCI IDs with nic variants, because a lot of driver
+ routines depend on knowing which kind of variant they are dealing
+ with. --mdc
+ **/
+
+#define _R(VENDOR,DEVICE,INDEX) \
+ { .vendor = VENDOR, .device = DEVICE, .index = INDEX }
+
+static const struct {
+ uint16_t vendor;
+ uint16_t device;
+ int index;
+} nic_variant_table[] = {
+ _R(0x10ec, 0x8129, RTL_CFG_0),
+ _R(0x10ec, 0x8136, RTL_CFG_2),
+ _R(0x10ec, 0x8167, RTL_CFG_0),
+ _R(0x10ec, 0x8168, RTL_CFG_1),
+ _R(0x10ec, 0x8169, RTL_CFG_0),
+ _R(0x1186, 0x4300, RTL_CFG_0),
+ _R(0x1259, 0xc107, RTL_CFG_0),
+ _R(0x16ec, 0x0116, RTL_CFG_0),
+ _R(0x1737, 0x1032, RTL_CFG_0),
+ _R(0x0001, 0x8168, RTL_CFG_2),
+};
+#undef _R
+
+static int
+rtl8169_get_nic_variant ( uint16_t vendor, uint16_t device )
+{
+ u32 i;
+
+ DBGP ( "rtl8169_get_nic_variant\n" );
+
+ for (i = 0; i < ARRAY_SIZE(nic_variant_table); i++) {
+ if ( ( nic_variant_table[i].vendor == vendor ) &&
+ ( nic_variant_table[i].device == device ) ) {
+ return ( nic_variant_table[i].index );
+ }
+ }
+ DBG ( "No matching NIC variant found!\n" );
+ return ( RTL_CFG_0 );
+}
+
+static void rtl8169_irq_enable ( struct rtl8169_private *tp )
+{
+ void *ioaddr = tp->mmio_addr;
+
+ DBGP ( "rtl8169_irq_enable\n" );
+
+ RTL_W16 ( IntrMask, tp->intr_event );
+}
+
+static void rtl8169_irq_disable ( struct rtl8169_private *tp )
+{
+ void *ioaddr = tp->mmio_addr;
+
+ DBGP ( "rtl8169_irq_disable\n" );
+
+ rtl8169_irq_mask_and_ack ( ioaddr );
+}
+
+/*** gPXE Core API Routines ***/
+
+/**
+ * open - Called when a network interface is made active
+ *
+ * @v netdev network interface device structure
+ * @ret rc Return status code, 0 on success, negative value on failure
+ *
+ **/
+static int
+rtl8169_open ( struct net_device *netdev )
+{
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+ void *ioaddr = tp->mmio_addr;
+ int rc;
+
+ DBGP ( "rtl8169_open\n" );
+
+ /* allocate transmit descriptors */
+ rc = rtl8169_setup_tx_resources ( tp );
+ if ( rc ) {
+ DBG ( "Error setting up TX resources!\n" );
+ goto err_setup_tx;
+ }
+
+ /* allocate receive descriptors */
+ rc = rtl8169_setup_rx_resources ( tp );
+ if ( rc ) {
+ DBG ( "Error setting up RX resources!\n" );
+ goto err_setup_rx;
+ }
+
+ rtl_hw_start ( netdev );
+
+ DBG ( "TxDescStartAddrHigh = %#08lx\n", RTL_R32 ( TxDescStartAddrHigh ) );
+ DBG ( "TxDescStartAddrLow = %#08lx\n", RTL_R32 ( TxDescStartAddrLow ) );
+ DBG ( "RxDescAddrHigh = %#08lx\n", RTL_R32 ( RxDescAddrHigh ) );
+ DBG ( "RxDescAddrLow = %#08lx\n", RTL_R32 ( RxDescAddrLow ) );
+
+ return 0;
+
+err_setup_rx:
+ rtl8169_free_tx_resources ( tp );
+err_setup_tx:
+ rtl8169_hw_reset ( ioaddr );
+
+ return rc;
+}
+
+/**
+ * transmit - Transmit a packet
+ *
+ * @v netdev Network device
+ * @v iobuf I/O buffer
+ *
+ * @ret rc Returns 0 on success, negative on failure
+ */
+static int
+rtl8169_transmit ( struct net_device *netdev, struct io_buffer *iobuf )
+{
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+ void *ioaddr = tp->mmio_addr;
+ uint32_t tx_len = iob_len ( iobuf );
+
+ struct TxDesc *tx_curr_desc;
+
+ DBGP ("rtl8169_transmit\n");
+
+ if ( tp->tx_fill_ctr == NUM_TX_DESC ) {
+ DBG ("TX overflow\n");
+ return -ENOBUFS;
+ }
+
+ /**
+ * The rtl8169 family automatically pads short packets to a
+ * minimum size, but if it did not, like some older cards,
+ * we could do:
+ * iob_pad ( iobuf, ETH_ZLEN );
+ */
+
+ /* Save pointer to this iobuf we have been given to transmit so
+ we can pass it to netdev_tx_complete() later */
+ tp->tx_iobuf[tp->tx_curr] = iobuf;
+
+ tx_curr_desc = tp->tx_base + tp->tx_curr;
+
+ DBG ( "tp->tx_fill_ctr = %d\n", tp->tx_fill_ctr );
+ DBG ( "tp->tx_curr = %d\n", tp->tx_curr );
+ DBG ( "tx_curr_desc = %#08lx\n", virt_to_bus ( tx_curr_desc ) );
+ DBG ( "iobuf->data = %#08lx\n", virt_to_bus ( iobuf->data ) );
+ DBG ( "tx_len = %d\n", tx_len );
+
+ /* Configure current descriptor to transmit supplied packet */
+ tx_curr_desc->addr_hi = 0;
+ tx_curr_desc->addr_lo = virt_to_bus ( iobuf->data );
+ tx_curr_desc->opts2 = 0;
+ tx_curr_desc->opts1 = FirstFrag | LastFrag |
+ ( tp->tx_curr == ( NUM_TX_DESC - 1 ) ? RingEnd : 0 ) |
+ tx_len;
+
+ /* Mark descriptor as owned by NIC */
+ tx_curr_desc->opts1 |= DescOwn;
+
+ DBG ( "tx_curr_desc->opts1 = %#08x\n", tx_curr_desc->opts1 );
+ DBG ( "tx_curr_desc->opts2 = %#08x\n", tx_curr_desc->opts2 );
+ DBG ( "tx_curr_desc->addr_hi = %#08x\n", tx_curr_desc->addr_hi );
+ DBG ( "tx_curr_desc->addr_lo = %#08x\n", tx_curr_desc->addr_lo );
+
+ RTL_W8 ( TxPoll, NPQ ); /* set polling bit */
+
+ /* Point to next free descriptor */
+ tp->tx_curr = ( tp->tx_curr + 1 ) % NUM_TX_DESC;
+
+ /* Increment number of tx descriptors in use */
+ tp->tx_fill_ctr++;
+
+ return 0;
+}
+
+/**
+ * poll - Poll for received packets
+ *
+ * @v netdev Network device
+ */
+static void
+rtl8169_poll ( struct net_device *netdev )
+{
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+ void *ioaddr = tp->mmio_addr;
+
+ uint16_t intr_status;
+ uint16_t intr_mask;
+
+ DBGP ( "rtl8169_poll\n" );
+
+ intr_status = RTL_R16 ( IntrStatus );
+ intr_mask = RTL_R16 ( IntrMask );
+
+ DBG2 ( "rtl8169_poll (before): intr_mask = %#04x intr_status = %#04x\n",
+ intr_mask, intr_status );
+
+ RTL_W16 ( IntrStatus, 0xffff );
+
+ /* hotplug / major error / no more work / shared irq */
+ if ( intr_status == 0xffff )
+ return;
+
+ /* Process transmitted packets */
+ rtl8169_process_tx_packets ( netdev );
+
+ /* Process received packets */
+ rtl8169_process_rx_packets ( netdev );
+}
+
+/**
+ * close - Disable network interface
+ *
+ * @v netdev network interface device structure
+ *
+ **/
+static void
+rtl8169_close ( struct net_device *netdev )
+{
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+ void *ioaddr = tp->mmio_addr;
+
+ DBGP ( "r8169_close\n" );
+
+ rtl8169_hw_reset ( ioaddr );
+
+ rtl8169_free_tx_resources ( tp );
+ rtl8169_free_rx_resources ( tp );
+}
+
+/**
+ * irq - enable or Disable interrupts
+ *
+ * @v netdev network adapter
+ * @v action requested interrupt action
+ *
+ **/
+static void
+rtl8169_irq ( struct net_device *netdev, int action )
+{
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+
+ DBGP ( "rtl8169_irq\n" );
+
+ switch ( action ) {
+ case 0 :
+ rtl8169_irq_disable ( tp );
+ break;
+ default :
+ rtl8169_irq_enable ( tp );
+ break;
+ }
+}
+
+static struct net_device_operations rtl8169_operations = {
+ .open = rtl8169_open,
+ .transmit = rtl8169_transmit,
+ .poll = rtl8169_poll,
+ .close = rtl8169_close,
+ .irq = rtl8169_irq,
+};
+
+/**
+ * probe - Initial configuration of NIC
+ *
+ * @v pci PCI device
+ * @v id PCI IDs
+ *
+ * @ret rc Return status code
+ **/
+static int
+rtl8169_probe ( struct pci_device *pdev, const struct pci_device_id *ent )
+{
+ int i, rc;
+ struct net_device *netdev;
+ struct rtl8169_private *tp;
+ void *ioaddr;
+
+ /** FIXME: This lookup is necessary because gPXE does not have a "data"
+ element in the structure pci_device_id which can pass an arbitrary
+ piece of data to the driver. It might be useful to add it. Then we
+ could just use ent->data instead of having to look up cfg_index.
+ **/
+ int cfg_index = rtl8169_get_nic_variant ( ent->vendor, ent->device );
+ const struct rtl_cfg_info *cfg = rtl_cfg_infos + cfg_index;
+
+ DBGP ( "rtl8169_probe\n" );
+
+ DBG ( "ent->vendor = %#04x, ent->device = %#04x\n", ent->vendor, ent->device );
+
+ DBG ( "cfg_index = %d\n", cfg_index );
+ DBG ( "cfg->intr_event = %#04x\n", cfg->intr_event );
+
+ rc = -ENOMEM;
+
+ /* Allocate net device ( also allocates memory for netdev->priv
+ and makes netdev-priv point to it )
+ */
+ netdev = alloc_etherdev ( sizeof ( *tp ) );
+
+ if ( ! netdev )
+ goto err_alloc_etherdev;
+
+ /* Associate driver-specific network operations with
+ generic network device layer
+ */
+ netdev_init ( netdev, &rtl8169_operations );
+
+ /* Associate this network device with the given PCI device */
+ pci_set_drvdata ( pdev, netdev );
+ netdev->dev = &pdev->dev;
+
+ /* Initialize driver private storage */
+ tp = netdev_priv ( netdev );
+ memset ( tp, 0, ( sizeof ( *tp ) ) );
+
+ tp->pci_dev = pdev;
+ tp->irqno = pdev->irq;
+ tp->netdev = netdev;
+ tp->cfg_index = cfg_index;
+ tp->intr_event = cfg->intr_event;
+ tp->cp_cmd = PCIMulRW;
+
+ tp->hw_start = cfg->hw_start;
+
+ rc = -EIO;
+
+ adjust_pci_device ( pdev );
+
+ /* ioremap MMIO region */
+ ioaddr = ioremap ( pdev->membase, R8169_REGS_SIZE );
+
+ if ( ! ioaddr ) {
+ DBG ( "cannot remap MMIO\n" );
+ rc = -EIO;
+ goto err_ioremap;
+ }
+
+ tp->mmio_addr = ioaddr;
+
+ tp->pcie_cap = pci_find_capability ( pdev, PCI_CAP_ID_EXP );
+ if ( tp->pcie_cap ) {
+ DBG ( "PCI Express capability\n" );
+ } else {
+ DBG ( "No PCI Express capability\n" );
+ }
+
+ /* Mask interrupts just in case */
+ rtl8169_irq_mask_and_ack ( ioaddr );
+
+ /* Soft reset NIC */
+ rtl_soft_reset ( netdev );
+
+ /* Identify chip attached to board */
+ rtl8169_get_mac_version ( tp, ioaddr );
+
+ for ( i = 0; (u32) i < ARRAY_SIZE ( rtl_chip_info ); i++ ) {
+ if ( tp->mac_version == rtl_chip_info[i].mac_version )
+ break;
+ }
+ if ( i == ARRAY_SIZE(rtl_chip_info ) ) {
+ /* Unknown chip: assume array element #0, original RTL-8169 */
+ DBG ( "Unknown chip version, assuming %s\n", rtl_chip_info[0].name );
+ i = 0;
+ }
+ tp->chipset = i;
+
+ if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
+ (RTL_R8(PHYstatus) & TBI_Enable)) {
+ tp->set_speed = rtl8169_set_speed_tbi;
+ tp->phy_reset_enable = rtl8169_tbi_reset_enable;
+ tp->phy_reset_pending = rtl8169_tbi_reset_pending;
+ tp->link_ok = rtl8169_tbi_link_ok;
+
+ tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */
+ } else {
+ tp->set_speed = rtl8169_set_speed_xmii;
+ tp->phy_reset_enable = rtl8169_xmii_reset_enable;
+ tp->phy_reset_pending = rtl8169_xmii_reset_pending;
+ tp->link_ok = rtl8169_xmii_link_ok;
+ }
+
+ /* Get MAC address */
+ for ( i = 0; i < MAC_ADDR_LEN; i++ )
+ netdev->hw_addr[i] = RTL_R8 ( MAC0 + i );
+
+ DBG ( "%s\n", eth_ntoa ( netdev->hw_addr ) );
+
+ rtl8169_init_phy ( netdev, tp );
+
+ if ( ( rc = register_netdev ( netdev ) ) != 0 )
+ goto err_register;
+
+ /* Mark as link up; we don't yet handle link state */
+ netdev_link_up ( netdev );
+
+ DBG ( "rtl8169_probe succeeded!\n" );
+
+ /* No errors, return success */
+ return 0;
+
+/* Error return paths */
+err_register:
+err_ioremap:
+ netdev_put ( netdev );
+err_alloc_etherdev:
+ return rc;
+}
+
+/**
+ * remove - Device Removal Routine
+ *
+ * @v pdev PCI device information struct
+ *
+ **/
+static void
+rtl8169_remove ( struct pci_device *pdev )
+{
+ struct net_device *netdev = pci_get_drvdata ( pdev );
+ struct rtl8169_private *tp = netdev_priv ( netdev );
+ void *ioaddr = tp->mmio_addr;
+
+ DBGP ( "rtl8169_remove\n" );
+
+ rtl8169_hw_reset ( ioaddr );
+
+ unregister_netdev ( netdev );
+ netdev_nullify ( netdev );
+ netdev_put ( netdev );
+}
+
+static struct pci_device_id rtl8169_nics[] = {
+ PCI_ROM(0x10ec, 0x8129, "rtl8169-0x8129", "rtl8169-0x8129", 0),
+ PCI_ROM(0x10ec, 0x8136, "rtl8169-0x8136", "rtl8169-0x8136", 0),
+ PCI_ROM(0x10ec, 0x8167, "rtl8169-0x8167", "rtl8169-0x8167", 0),
+ PCI_ROM(0x10ec, 0x8168, "rtl8169-0x8168", "rtl8169-0x8168", 0),
+ PCI_ROM(0x10ec, 0x8169, "rtl8169-0x8169", "rtl8169-0x8169", 0),
+ PCI_ROM(0x1186, 0x4300, "rtl8169-0x4300", "rtl8169-0x4300", 0),
+ PCI_ROM(0x1259, 0xc107, "rtl8169-0xc107", "rtl8169-0xc107", 0),
+ PCI_ROM(0x16ec, 0x0116, "rtl8169-0x0116", "rtl8169-0x0116", 0),
+ PCI_ROM(0x1737, 0x1032, "rtl8169-0x1032", "rtl8169-0x1032", 0),
+ PCI_ROM(0x0001, 0x8168, "rtl8169-0x8168", "rtl8169-0x8168", 0),
+};
+
+struct pci_driver rtl8169_driver __pci_driver = {
+ .ids = rtl8169_nics,
+ .id_count = ( sizeof ( rtl8169_nics ) / sizeof ( rtl8169_nics[0] ) ),
+ .probe = rtl8169_probe,
+ .remove = rtl8169_remove,
+};
+
+/*
+ * Local variables:
+ * c-basic-offset: 8
+ * c-indent-level: 8
+ * tab-width: 8
+ * End:
+ */