[e16e8f2] | 1 | /* |
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| 2 | * Copyright (c) 2008 Marty Connor <mdc@etherboot.org> |
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| 3 | * Copyright (c) 2008 Entity Cyber, Inc. |
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| 4 | * |
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| 5 | * This program is free software; you can redistribute it and/or |
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| 6 | * modify it under the terms of the GNU General Public License as |
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| 7 | * published by the Free Software Foundation; either version 2 of the |
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| 8 | * License, or any later version. |
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| 9 | * |
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| 10 | * This program is distributed in the hope that it will be useful, but |
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| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | * General Public License for more details. |
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| 14 | * |
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| 15 | * You should have received a copy of the GNU General Public License |
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| 16 | * along with this program; if not, write to the Free Software |
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| 17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 18 | * |
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| 19 | * This driver is based on rtl8169 data sheets and work by: |
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| 20 | * |
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| 21 | * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw> |
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| 22 | * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com> |
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| 23 | * Copyright (c) a lot of people too. Please respect their work. |
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| 24 | */ |
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| 25 | |
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| 26 | FILE_LICENCE ( GPL2_OR_LATER ); |
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| 27 | |
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| 28 | #include <stdint.h> |
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| 29 | #include <stdio.h> |
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| 30 | #include <stdlib.h> |
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| 31 | #include <string.h> |
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| 32 | #include <unistd.h> |
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| 33 | #include <assert.h> |
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| 34 | #include <byteswap.h> |
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| 35 | #include <errno.h> |
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| 36 | #include <gpxe/ethernet.h> |
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| 37 | #include <gpxe/if_ether.h> |
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| 38 | #include <gpxe/io.h> |
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| 39 | #include <gpxe/iobuf.h> |
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| 40 | #include <gpxe/malloc.h> |
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| 41 | #include <gpxe/netdevice.h> |
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| 42 | #include <gpxe/pci.h> |
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| 43 | #include <gpxe/timer.h> |
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| 44 | #include <mii.h> |
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| 45 | |
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| 46 | #include "r8169.h" |
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| 47 | |
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| 48 | /*** Low level hardware routines ***/ |
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| 49 | |
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| 50 | static void mdio_write(void *ioaddr, int reg_addr, int value) |
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| 51 | { |
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| 52 | int i; |
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| 53 | |
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| 54 | DBGP ( "mdio_write\n" ); |
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| 55 | |
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| 56 | RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff)); |
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| 57 | |
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| 58 | for (i = 20; i > 0; i--) { |
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| 59 | /* |
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| 60 | * Check if the RTL8169 has completed writing to the specified |
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| 61 | * MII register. |
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| 62 | */ |
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| 63 | if (!(RTL_R32(PHYAR) & 0x80000000)) |
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| 64 | break; |
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| 65 | udelay(25); |
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| 66 | } |
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| 67 | } |
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| 68 | |
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| 69 | static int mdio_read(void *ioaddr, int reg_addr) |
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| 70 | { |
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| 71 | int i, value = -1; |
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| 72 | |
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| 73 | DBGP ( "mdio_read\n" ); |
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| 74 | |
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| 75 | RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16); |
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| 76 | |
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| 77 | for (i = 20; i > 0; i--) { |
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| 78 | /* |
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| 79 | * Check if the RTL8169 has completed retrieving data from |
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| 80 | * the specified MII register. |
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| 81 | */ |
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| 82 | if (RTL_R32(PHYAR) & 0x80000000) { |
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| 83 | value = RTL_R32(PHYAR) & 0xffff; |
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| 84 | break; |
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| 85 | } |
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| 86 | udelay(25); |
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| 87 | } |
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| 88 | return value; |
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| 89 | } |
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| 90 | |
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| 91 | static void mdio_patch(void *ioaddr, int reg_addr, int value) |
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| 92 | { |
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| 93 | DBGP ( "mdio_patch\n" ); |
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| 94 | |
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| 95 | mdio_write(ioaddr, reg_addr, mdio_read(ioaddr, reg_addr) | value); |
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| 96 | } |
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| 97 | |
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| 98 | static void rtl_ephy_write(void *ioaddr, int reg_addr, int value) |
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| 99 | { |
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| 100 | unsigned int i; |
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| 101 | |
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| 102 | DBGP ( "rtl_ephy_write\n" ); |
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| 103 | |
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| 104 | RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) | |
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| 105 | (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); |
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| 106 | |
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| 107 | for (i = 0; i < 100; i++) { |
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| 108 | if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG)) |
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| 109 | break; |
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| 110 | udelay(10); |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | static u16 rtl_ephy_read(void *ioaddr, int reg_addr) |
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| 115 | { |
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| 116 | u16 value = 0xffff; |
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| 117 | unsigned int i; |
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| 118 | |
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| 119 | DBGP ( "rtl_ephy_read\n" ); |
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| 120 | |
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| 121 | RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT); |
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| 122 | |
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| 123 | for (i = 0; i < 100; i++) { |
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| 124 | if (RTL_R32(EPHYAR) & EPHYAR_FLAG) { |
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| 125 | value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK; |
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| 126 | break; |
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| 127 | } |
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| 128 | udelay(10); |
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| 129 | } |
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| 130 | |
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| 131 | return value; |
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| 132 | } |
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| 133 | |
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| 134 | static void rtl_csi_write(void *ioaddr, int addr, int value) |
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| 135 | { |
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| 136 | unsigned int i; |
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| 137 | |
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| 138 | DBGP ( "rtl_csi_write\n" ); |
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| 139 | |
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| 140 | RTL_W32(CSIDR, value); |
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| 141 | RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) | |
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| 142 | CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); |
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| 143 | |
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| 144 | for (i = 0; i < 100; i++) { |
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| 145 | if (!(RTL_R32(CSIAR) & CSIAR_FLAG)) |
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| 146 | break; |
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| 147 | udelay(10); |
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| 148 | } |
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| 149 | } |
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| 150 | |
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| 151 | static u32 rtl_csi_read(void *ioaddr, int addr) |
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| 152 | { |
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| 153 | u32 value = ~0x00; |
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| 154 | unsigned int i; |
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| 155 | |
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| 156 | DBGP ( "rtl_csi_read\n" ); |
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| 157 | |
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| 158 | RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | |
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| 159 | CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT); |
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| 160 | |
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| 161 | for (i = 0; i < 100; i++) { |
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| 162 | if (RTL_R32(CSIAR) & CSIAR_FLAG) { |
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| 163 | value = RTL_R32(CSIDR); |
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| 164 | break; |
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| 165 | } |
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| 166 | udelay(10); |
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| 167 | } |
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| 168 | |
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| 169 | return value; |
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| 170 | } |
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| 171 | |
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| 172 | static void rtl8169_irq_mask_and_ack(void *ioaddr) |
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| 173 | { |
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| 174 | DBGP ( "rtl8169_irq_mask_and_ack\n" ); |
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| 175 | |
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| 176 | RTL_W16(IntrMask, 0x0000); |
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| 177 | |
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| 178 | RTL_W16(IntrStatus, 0xffff); |
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| 179 | } |
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| 180 | |
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| 181 | static unsigned int rtl8169_tbi_reset_pending(void *ioaddr) |
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| 182 | { |
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| 183 | DBGP ( "rtl8169_tbi_reset_pending\n" ); |
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| 184 | |
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| 185 | return RTL_R32(TBICSR) & TBIReset; |
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| 186 | } |
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| 187 | |
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| 188 | static unsigned int rtl8169_xmii_reset_pending(void *ioaddr) |
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| 189 | { |
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| 190 | DBGP ( "rtl8169_xmii_reset_pending\n" ); |
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| 191 | |
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| 192 | return mdio_read(ioaddr, MII_BMCR) & BMCR_RESET; |
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| 193 | } |
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| 194 | |
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| 195 | static unsigned int rtl8169_tbi_link_ok(void *ioaddr) |
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| 196 | { |
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| 197 | DBGP ( "rtl8169_tbi_link_ok\n" ); |
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| 198 | |
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| 199 | return RTL_R32(TBICSR) & TBILinkOk; |
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| 200 | } |
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| 201 | |
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| 202 | static unsigned int rtl8169_xmii_link_ok(void *ioaddr) |
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| 203 | { |
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| 204 | DBGP ( "rtl8169_xmii_link_ok\n" ); |
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| 205 | |
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| 206 | return RTL_R8(PHYstatus) & LinkStatus; |
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| 207 | } |
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| 208 | |
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| 209 | static void rtl8169_tbi_reset_enable(void *ioaddr) |
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| 210 | { |
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| 211 | DBGP ( "rtl8169_tbi_reset_enable\n" ); |
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| 212 | |
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| 213 | RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset); |
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| 214 | } |
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| 215 | |
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| 216 | static void rtl8169_xmii_reset_enable(void *ioaddr) |
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| 217 | { |
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| 218 | unsigned int val; |
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| 219 | |
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| 220 | DBGP ( "rtl8169_xmii_reset_enable\n" ); |
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| 221 | |
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| 222 | val = mdio_read(ioaddr, MII_BMCR) | BMCR_RESET; |
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| 223 | mdio_write(ioaddr, MII_BMCR, val & 0xffff); |
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| 224 | } |
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| 225 | |
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| 226 | static int rtl8169_set_speed_tbi(struct net_device *dev, |
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| 227 | u8 autoneg, u16 speed, u8 duplex) |
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| 228 | { |
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| 229 | struct rtl8169_private *tp = netdev_priv(dev); |
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| 230 | void *ioaddr = tp->mmio_addr; |
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| 231 | int ret = 0; |
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| 232 | u32 reg; |
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| 233 | |
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| 234 | DBGP ( "rtl8169_set_speed_tbi\n" ); |
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| 235 | |
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| 236 | reg = RTL_R32(TBICSR); |
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| 237 | if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) && |
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| 238 | (duplex == DUPLEX_FULL)) { |
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| 239 | RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart)); |
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| 240 | } else if (autoneg == AUTONEG_ENABLE) |
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| 241 | RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart); |
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| 242 | else { |
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| 243 | DBG ( "incorrect speed setting refused in TBI mode\n" ); |
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| 244 | ret = -EOPNOTSUPP; |
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| 245 | } |
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| 246 | return ret; |
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| 247 | } |
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| 248 | |
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| 249 | static int rtl8169_set_speed_xmii(struct net_device *dev, |
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| 250 | u8 autoneg, u16 speed, u8 duplex) |
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| 251 | { |
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| 252 | struct rtl8169_private *tp = netdev_priv(dev); |
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| 253 | void *ioaddr = tp->mmio_addr; |
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| 254 | int auto_nego, giga_ctrl; |
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| 255 | |
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| 256 | DBGP ( "rtl8169_set_speed_xmii\n" ); |
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| 257 | |
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| 258 | auto_nego = mdio_read(ioaddr, MII_ADVERTISE); |
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| 259 | auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | |
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| 260 | ADVERTISE_100HALF | ADVERTISE_100FULL); |
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| 261 | giga_ctrl = mdio_read(ioaddr, MII_CTRL1000); |
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| 262 | giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); |
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| 263 | |
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| 264 | if (autoneg == AUTONEG_ENABLE) { |
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| 265 | auto_nego |= (ADVERTISE_10HALF | ADVERTISE_10FULL | |
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| 266 | ADVERTISE_100HALF | ADVERTISE_100FULL); |
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| 267 | giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; |
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| 268 | } else { |
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| 269 | if (speed == SPEED_10) |
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| 270 | auto_nego |= ADVERTISE_10HALF | ADVERTISE_10FULL; |
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| 271 | else if (speed == SPEED_100) |
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| 272 | auto_nego |= ADVERTISE_100HALF | ADVERTISE_100FULL; |
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| 273 | else if (speed == SPEED_1000) |
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| 274 | giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF; |
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| 275 | |
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| 276 | if (duplex == DUPLEX_HALF) |
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| 277 | auto_nego &= ~(ADVERTISE_10FULL | ADVERTISE_100FULL); |
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| 278 | |
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| 279 | if (duplex == DUPLEX_FULL) |
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| 280 | auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_100HALF); |
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| 281 | |
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| 282 | /* This tweak comes straight from Realtek's driver. */ |
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| 283 | if ((speed == SPEED_100) && (duplex == DUPLEX_HALF) && |
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| 284 | ((tp->mac_version == RTL_GIGA_MAC_VER_13) || |
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| 285 | (tp->mac_version == RTL_GIGA_MAC_VER_16))) { |
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| 286 | auto_nego = ADVERTISE_100HALF | ADVERTISE_CSMA; |
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| 287 | } |
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| 288 | } |
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| 289 | |
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| 290 | /* The 8100e/8101e/8102e do Fast Ethernet only. */ |
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| 291 | if ((tp->mac_version == RTL_GIGA_MAC_VER_07) || |
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| 292 | (tp->mac_version == RTL_GIGA_MAC_VER_08) || |
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| 293 | (tp->mac_version == RTL_GIGA_MAC_VER_09) || |
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| 294 | (tp->mac_version == RTL_GIGA_MAC_VER_10) || |
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| 295 | (tp->mac_version == RTL_GIGA_MAC_VER_13) || |
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| 296 | (tp->mac_version == RTL_GIGA_MAC_VER_14) || |
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| 297 | (tp->mac_version == RTL_GIGA_MAC_VER_15) || |
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| 298 | (tp->mac_version == RTL_GIGA_MAC_VER_16)) { |
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| 299 | if ((giga_ctrl & (ADVERTISE_1000FULL | ADVERTISE_1000HALF))) { |
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| 300 | DBG ( "PHY does not support 1000Mbps.\n" ); |
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| 301 | } |
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| 302 | giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF); |
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| 303 | } |
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| 304 | |
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| 305 | auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; |
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| 306 | |
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| 307 | if ((tp->mac_version == RTL_GIGA_MAC_VER_11) || |
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| 308 | (tp->mac_version == RTL_GIGA_MAC_VER_12) || |
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| 309 | (tp->mac_version >= RTL_GIGA_MAC_VER_17)) { |
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| 310 | /* |
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| 311 | * Wake up the PHY. |
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| 312 | * Vendor specific (0x1f) and reserved (0x0e) MII registers. |
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| 313 | */ |
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| 314 | mdio_write(ioaddr, 0x1f, 0x0000); |
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| 315 | mdio_write(ioaddr, 0x0e, 0x0000); |
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| 316 | } |
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| 317 | |
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| 318 | tp->phy_auto_nego_reg = auto_nego; |
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| 319 | tp->phy_1000_ctrl_reg = giga_ctrl; |
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| 320 | |
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| 321 | mdio_write(ioaddr, MII_ADVERTISE, auto_nego); |
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| 322 | mdio_write(ioaddr, MII_CTRL1000, giga_ctrl); |
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| 323 | mdio_write(ioaddr, MII_BMCR, BMCR_ANENABLE | BMCR_ANRESTART); |
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| 324 | return 0; |
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| 325 | } |
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| 326 | |
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| 327 | static int rtl8169_set_speed(struct net_device *dev, |
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| 328 | u8 autoneg, u16 speed, u8 duplex) |
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| 329 | { |
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| 330 | struct rtl8169_private *tp = netdev_priv(dev); |
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| 331 | int ret; |
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| 332 | |
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| 333 | DBGP ( "rtl8169_set_speed\n" ); |
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| 334 | |
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| 335 | ret = tp->set_speed(dev, autoneg, speed, duplex); |
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| 336 | |
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| 337 | return ret; |
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| 338 | } |
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| 339 | |
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| 340 | static void rtl8169_write_gmii_reg_bit(void *ioaddr, int reg, |
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| 341 | int bitnum, int bitval) |
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| 342 | { |
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| 343 | int val; |
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| 344 | |
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| 345 | DBGP ( "rtl8169_write_gmii_reg_bit\n" ); |
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| 346 | |
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| 347 | val = mdio_read(ioaddr, reg); |
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| 348 | val = (bitval == 1) ? |
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| 349 | val | (bitval << bitnum) : val & ~(0x0001 << bitnum); |
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| 350 | mdio_write(ioaddr, reg, val & 0xffff); |
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| 351 | } |
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| 352 | |
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| 353 | static void rtl8169_get_mac_version(struct rtl8169_private *tp, |
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| 354 | void *ioaddr) |
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| 355 | { |
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| 356 | /* |
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| 357 | * The driver currently handles the 8168Bf and the 8168Be identically |
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| 358 | * but they can be identified more specifically through the test below |
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| 359 | * if needed: |
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| 360 | * |
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| 361 | * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be |
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| 362 | * |
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| 363 | * Same thing for the 8101Eb and the 8101Ec: |
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| 364 | * |
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| 365 | * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec |
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| 366 | */ |
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| 367 | const struct { |
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| 368 | u32 mask; |
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| 369 | u32 val; |
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| 370 | int mac_version; |
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| 371 | } mac_info[] = { |
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| 372 | /* 8168D family. */ |
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| 373 | { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_25 }, |
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| 374 | |
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| 375 | /* 8168C family. */ |
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| 376 | { 0x7cf00000, 0x3ca00000, RTL_GIGA_MAC_VER_24 }, |
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| 377 | { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 }, |
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| 378 | { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 }, |
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| 379 | { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 }, |
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| 380 | { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 }, |
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| 381 | { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 }, |
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| 382 | { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 }, |
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| 383 | { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 }, |
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| 384 | { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 }, |
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| 385 | |
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| 386 | /* 8168B family. */ |
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| 387 | { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 }, |
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| 388 | { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 }, |
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| 389 | { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 }, |
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| 390 | { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 }, |
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| 391 | |
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| 392 | /* 8101 family. */ |
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| 393 | { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 }, |
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| 394 | { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 }, |
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| 395 | { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 }, |
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| 396 | { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 }, |
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| 397 | { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 }, |
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| 398 | { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 }, |
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| 399 | { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 }, |
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| 400 | { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 }, |
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| 401 | { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 }, |
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| 402 | { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 }, |
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| 403 | { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 }, |
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| 404 | { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 }, |
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| 405 | /* FIXME: where did these entries come from ? -- FR */ |
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| 406 | { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 }, |
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| 407 | { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 }, |
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| 408 | |
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| 409 | /* 8110 family. */ |
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| 410 | { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 }, |
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| 411 | { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 }, |
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| 412 | { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 }, |
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| 413 | { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 }, |
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| 414 | { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 }, |
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| 415 | { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 }, |
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| 416 | |
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| 417 | { 0x00000000, 0x00000000, RTL_GIGA_MAC_VER_01 } /* Catch-all */ |
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| 418 | }, *p = mac_info; |
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| 419 | u32 reg; |
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| 420 | |
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| 421 | DBGP ( "rtl8169_get_mac_version\n" ); |
---|
| 422 | |
---|
| 423 | reg = RTL_R32(TxConfig); |
---|
| 424 | while ((reg & p->mask) != p->val) |
---|
| 425 | p++; |
---|
| 426 | tp->mac_version = p->mac_version; |
---|
| 427 | |
---|
| 428 | DBG ( "tp->mac_version = %d\n", tp->mac_version ); |
---|
| 429 | |
---|
| 430 | if (p->mask == 0x00000000) { |
---|
| 431 | DBG ( "unknown MAC (%08x)\n", reg ); |
---|
| 432 | } |
---|
| 433 | } |
---|
| 434 | |
---|
| 435 | struct phy_reg { |
---|
| 436 | u16 reg; |
---|
| 437 | u16 val; |
---|
| 438 | }; |
---|
| 439 | |
---|
| 440 | static void rtl_phy_write(void *ioaddr, struct phy_reg *regs, int len) |
---|
| 441 | { |
---|
| 442 | DBGP ( "rtl_phy_write\n" ); |
---|
| 443 | |
---|
| 444 | while (len-- > 0) { |
---|
| 445 | mdio_write(ioaddr, regs->reg, regs->val); |
---|
| 446 | regs++; |
---|
| 447 | } |
---|
| 448 | } |
---|
| 449 | |
---|
| 450 | static void rtl8169s_hw_phy_config(void *ioaddr) |
---|
| 451 | { |
---|
| 452 | struct { |
---|
| 453 | u16 regs[5]; /* Beware of bit-sign propagation */ |
---|
| 454 | } phy_magic[5] = { { |
---|
| 455 | { 0x0000, //w 4 15 12 0 |
---|
| 456 | 0x00a1, //w 3 15 0 00a1 |
---|
| 457 | 0x0008, //w 2 15 0 0008 |
---|
| 458 | 0x1020, //w 1 15 0 1020 |
---|
| 459 | 0x1000 } },{ //w 0 15 0 1000 |
---|
| 460 | { 0x7000, //w 4 15 12 7 |
---|
| 461 | 0xff41, //w 3 15 0 ff41 |
---|
| 462 | 0xde60, //w 2 15 0 de60 |
---|
| 463 | 0x0140, //w 1 15 0 0140 |
---|
| 464 | 0x0077 } },{ //w 0 15 0 0077 |
---|
| 465 | { 0xa000, //w 4 15 12 a |
---|
| 466 | 0xdf01, //w 3 15 0 df01 |
---|
| 467 | 0xdf20, //w 2 15 0 df20 |
---|
| 468 | 0xff95, //w 1 15 0 ff95 |
---|
| 469 | 0xfa00 } },{ //w 0 15 0 fa00 |
---|
| 470 | { 0xb000, //w 4 15 12 b |
---|
| 471 | 0xff41, //w 3 15 0 ff41 |
---|
| 472 | 0xde20, //w 2 15 0 de20 |
---|
| 473 | 0x0140, //w 1 15 0 0140 |
---|
| 474 | 0x00bb } },{ //w 0 15 0 00bb |
---|
| 475 | { 0xf000, //w 4 15 12 f |
---|
| 476 | 0xdf01, //w 3 15 0 df01 |
---|
| 477 | 0xdf20, //w 2 15 0 df20 |
---|
| 478 | 0xff95, //w 1 15 0 ff95 |
---|
| 479 | 0xbf00 } //w 0 15 0 bf00 |
---|
| 480 | } |
---|
| 481 | }, *p = phy_magic; |
---|
| 482 | unsigned int i; |
---|
| 483 | |
---|
| 484 | DBGP ( "rtl8169s_hw_phy_config\n" ); |
---|
| 485 | |
---|
| 486 | mdio_write(ioaddr, 0x1f, 0x0001); //w 31 2 0 1 |
---|
| 487 | mdio_write(ioaddr, 0x15, 0x1000); //w 21 15 0 1000 |
---|
| 488 | mdio_write(ioaddr, 0x18, 0x65c7); //w 24 15 0 65c7 |
---|
| 489 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0 |
---|
| 490 | |
---|
| 491 | for (i = 0; i < ARRAY_SIZE(phy_magic); i++, p++) { |
---|
| 492 | int val, pos = 4; |
---|
| 493 | |
---|
| 494 | val = (mdio_read(ioaddr, pos) & 0x0fff) | (p->regs[0] & 0xffff); |
---|
| 495 | mdio_write(ioaddr, pos, val); |
---|
| 496 | while (--pos >= 0) |
---|
| 497 | mdio_write(ioaddr, pos, p->regs[4 - pos] & 0xffff); |
---|
| 498 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 1); //w 4 11 11 1 |
---|
| 499 | rtl8169_write_gmii_reg_bit(ioaddr, 4, 11, 0); //w 4 11 11 0 |
---|
| 500 | } |
---|
| 501 | mdio_write(ioaddr, 0x1f, 0x0000); //w 31 2 0 0 |
---|
| 502 | } |
---|
| 503 | |
---|
| 504 | static void rtl8169sb_hw_phy_config(void *ioaddr) |
---|
| 505 | { |
---|
| 506 | struct phy_reg phy_reg_init[] = { |
---|
| 507 | { 0x1f, 0x0002 }, |
---|
| 508 | { 0x01, 0x90d0 }, |
---|
| 509 | { 0x1f, 0x0000 } |
---|
| 510 | }; |
---|
| 511 | |
---|
| 512 | DBGP ( "rtl8169sb_hw_phy_config\n" ); |
---|
| 513 | |
---|
| 514 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 515 | } |
---|
| 516 | |
---|
| 517 | static void rtl8168bb_hw_phy_config(void *ioaddr) |
---|
| 518 | { |
---|
| 519 | struct phy_reg phy_reg_init[] = { |
---|
| 520 | { 0x10, 0xf41b }, |
---|
| 521 | { 0x1f, 0x0000 } |
---|
| 522 | }; |
---|
| 523 | |
---|
| 524 | mdio_write(ioaddr, 0x1f, 0x0001); |
---|
| 525 | mdio_patch(ioaddr, 0x16, 1 << 0); |
---|
| 526 | |
---|
| 527 | DBGP ( "rtl8168bb_hw_phy_config\n" ); |
---|
| 528 | |
---|
| 529 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 530 | } |
---|
| 531 | |
---|
| 532 | static void rtl8168bef_hw_phy_config(void *ioaddr) |
---|
| 533 | { |
---|
| 534 | struct phy_reg phy_reg_init[] = { |
---|
| 535 | { 0x1f, 0x0001 }, |
---|
| 536 | { 0x10, 0xf41b }, |
---|
| 537 | { 0x1f, 0x0000 } |
---|
| 538 | }; |
---|
| 539 | |
---|
| 540 | DBGP ( "rtl8168bef_hw_phy_config\n" ); |
---|
| 541 | |
---|
| 542 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 543 | } |
---|
| 544 | |
---|
| 545 | static void rtl8168cp_1_hw_phy_config(void *ioaddr) |
---|
| 546 | { |
---|
| 547 | struct phy_reg phy_reg_init[] = { |
---|
| 548 | { 0x1f, 0x0000 }, |
---|
| 549 | { 0x1d, 0x0f00 }, |
---|
| 550 | { 0x1f, 0x0002 }, |
---|
| 551 | { 0x0c, 0x1ec8 }, |
---|
| 552 | { 0x1f, 0x0000 } |
---|
| 553 | }; |
---|
| 554 | |
---|
| 555 | DBGP ( "rtl8168cp_1_hw_phy_config\n" ); |
---|
| 556 | |
---|
| 557 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 558 | } |
---|
| 559 | |
---|
| 560 | static void rtl8168cp_2_hw_phy_config(void *ioaddr) |
---|
| 561 | { |
---|
| 562 | struct phy_reg phy_reg_init[] = { |
---|
| 563 | { 0x1f, 0x0001 }, |
---|
| 564 | { 0x1d, 0x3d98 }, |
---|
| 565 | { 0x1f, 0x0000 } |
---|
| 566 | }; |
---|
| 567 | |
---|
| 568 | DBGP ( "rtl8168cp_2_hw_phy_config\n" ); |
---|
| 569 | |
---|
| 570 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
| 571 | mdio_patch(ioaddr, 0x14, 1 << 5); |
---|
| 572 | mdio_patch(ioaddr, 0x0d, 1 << 5); |
---|
| 573 | |
---|
| 574 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 575 | } |
---|
| 576 | |
---|
| 577 | static void rtl8168c_1_hw_phy_config(void *ioaddr) |
---|
| 578 | { |
---|
| 579 | struct phy_reg phy_reg_init[] = { |
---|
| 580 | { 0x1f, 0x0001 }, |
---|
| 581 | { 0x12, 0x2300 }, |
---|
| 582 | { 0x1f, 0x0002 }, |
---|
| 583 | { 0x00, 0x88d4 }, |
---|
| 584 | { 0x01, 0x82b1 }, |
---|
| 585 | { 0x03, 0x7002 }, |
---|
| 586 | { 0x08, 0x9e30 }, |
---|
| 587 | { 0x09, 0x01f0 }, |
---|
| 588 | { 0x0a, 0x5500 }, |
---|
| 589 | { 0x0c, 0x00c8 }, |
---|
| 590 | { 0x1f, 0x0003 }, |
---|
| 591 | { 0x12, 0xc096 }, |
---|
| 592 | { 0x16, 0x000a }, |
---|
| 593 | { 0x1f, 0x0000 }, |
---|
| 594 | { 0x1f, 0x0000 }, |
---|
| 595 | { 0x09, 0x2000 }, |
---|
| 596 | { 0x09, 0x0000 } |
---|
| 597 | }; |
---|
| 598 | |
---|
| 599 | DBGP ( "rtl8168c_1_hw_phy_config\n" ); |
---|
| 600 | |
---|
| 601 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 602 | |
---|
| 603 | mdio_patch(ioaddr, 0x14, 1 << 5); |
---|
| 604 | mdio_patch(ioaddr, 0x0d, 1 << 5); |
---|
| 605 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
| 606 | } |
---|
| 607 | |
---|
| 608 | static void rtl8168c_2_hw_phy_config(void *ioaddr) |
---|
| 609 | { |
---|
| 610 | struct phy_reg phy_reg_init[] = { |
---|
| 611 | { 0x1f, 0x0001 }, |
---|
| 612 | { 0x12, 0x2300 }, |
---|
| 613 | { 0x03, 0x802f }, |
---|
| 614 | { 0x02, 0x4f02 }, |
---|
| 615 | { 0x01, 0x0409 }, |
---|
| 616 | { 0x00, 0xf099 }, |
---|
| 617 | { 0x04, 0x9800 }, |
---|
| 618 | { 0x04, 0x9000 }, |
---|
| 619 | { 0x1d, 0x3d98 }, |
---|
| 620 | { 0x1f, 0x0002 }, |
---|
| 621 | { 0x0c, 0x7eb8 }, |
---|
| 622 | { 0x06, 0x0761 }, |
---|
| 623 | { 0x1f, 0x0003 }, |
---|
| 624 | { 0x16, 0x0f0a }, |
---|
| 625 | { 0x1f, 0x0000 } |
---|
| 626 | }; |
---|
| 627 | |
---|
| 628 | DBGP ( "rtl8168c_2_hw_phy_config\n" ); |
---|
| 629 | |
---|
| 630 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 631 | |
---|
| 632 | mdio_patch(ioaddr, 0x16, 1 << 0); |
---|
| 633 | mdio_patch(ioaddr, 0x14, 1 << 5); |
---|
| 634 | mdio_patch(ioaddr, 0x0d, 1 << 5); |
---|
| 635 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
| 636 | } |
---|
| 637 | |
---|
| 638 | static void rtl8168c_3_hw_phy_config(void *ioaddr) |
---|
| 639 | { |
---|
| 640 | struct phy_reg phy_reg_init[] = { |
---|
| 641 | { 0x1f, 0x0001 }, |
---|
| 642 | { 0x12, 0x2300 }, |
---|
| 643 | { 0x1d, 0x3d98 }, |
---|
| 644 | { 0x1f, 0x0002 }, |
---|
| 645 | { 0x0c, 0x7eb8 }, |
---|
| 646 | { 0x06, 0x5461 }, |
---|
| 647 | { 0x1f, 0x0003 }, |
---|
| 648 | { 0x16, 0x0f0a }, |
---|
| 649 | { 0x1f, 0x0000 } |
---|
| 650 | }; |
---|
| 651 | |
---|
| 652 | DBGP ( "rtl8168c_3_hw_phy_config\n" ); |
---|
| 653 | |
---|
| 654 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 655 | |
---|
| 656 | mdio_patch(ioaddr, 0x16, 1 << 0); |
---|
| 657 | mdio_patch(ioaddr, 0x14, 1 << 5); |
---|
| 658 | mdio_patch(ioaddr, 0x0d, 1 << 5); |
---|
| 659 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
| 660 | } |
---|
| 661 | |
---|
| 662 | static void rtl8168c_4_hw_phy_config(void *ioaddr) |
---|
| 663 | { |
---|
| 664 | DBGP ( "rtl8168c_4_hw_phy_config\n" ); |
---|
| 665 | |
---|
| 666 | rtl8168c_3_hw_phy_config(ioaddr); |
---|
| 667 | } |
---|
| 668 | |
---|
| 669 | static void rtl8168d_hw_phy_config(void *ioaddr) |
---|
| 670 | { |
---|
| 671 | struct phy_reg phy_reg_init_0[] = { |
---|
| 672 | { 0x1f, 0x0001 }, |
---|
| 673 | { 0x09, 0x2770 }, |
---|
| 674 | { 0x08, 0x04d0 }, |
---|
| 675 | { 0x0b, 0xad15 }, |
---|
| 676 | { 0x0c, 0x5bf0 }, |
---|
| 677 | { 0x1c, 0xf101 }, |
---|
| 678 | { 0x1f, 0x0003 }, |
---|
| 679 | { 0x14, 0x94d7 }, |
---|
| 680 | { 0x12, 0xf4d6 }, |
---|
| 681 | { 0x09, 0xca0f }, |
---|
| 682 | { 0x1f, 0x0002 }, |
---|
| 683 | { 0x0b, 0x0b10 }, |
---|
| 684 | { 0x0c, 0xd1f7 }, |
---|
| 685 | { 0x1f, 0x0002 }, |
---|
| 686 | { 0x06, 0x5461 }, |
---|
| 687 | { 0x1f, 0x0002 }, |
---|
| 688 | { 0x05, 0x6662 }, |
---|
| 689 | { 0x1f, 0x0000 }, |
---|
| 690 | { 0x14, 0x0060 }, |
---|
| 691 | { 0x1f, 0x0000 }, |
---|
| 692 | { 0x0d, 0xf8a0 }, |
---|
| 693 | { 0x1f, 0x0005 }, |
---|
| 694 | { 0x05, 0xffc2 } |
---|
| 695 | }; |
---|
| 696 | |
---|
| 697 | DBGP ( "rtl8168d_hw_phy_config\n" ); |
---|
| 698 | |
---|
| 699 | rtl_phy_write(ioaddr, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0)); |
---|
| 700 | |
---|
| 701 | if (mdio_read(ioaddr, 0x06) == 0xc400) { |
---|
| 702 | struct phy_reg phy_reg_init_1[] = { |
---|
| 703 | { 0x1f, 0x0005 }, |
---|
| 704 | { 0x01, 0x0300 }, |
---|
| 705 | { 0x1f, 0x0000 }, |
---|
| 706 | { 0x11, 0x401c }, |
---|
| 707 | { 0x16, 0x4100 }, |
---|
| 708 | { 0x1f, 0x0005 }, |
---|
| 709 | { 0x07, 0x0010 }, |
---|
| 710 | { 0x05, 0x83dc }, |
---|
| 711 | { 0x06, 0x087d }, |
---|
| 712 | { 0x05, 0x8300 }, |
---|
| 713 | { 0x06, 0x0101 }, |
---|
| 714 | { 0x06, 0x05f8 }, |
---|
| 715 | { 0x06, 0xf9fa }, |
---|
| 716 | { 0x06, 0xfbef }, |
---|
| 717 | { 0x06, 0x79e2 }, |
---|
| 718 | { 0x06, 0x835f }, |
---|
| 719 | { 0x06, 0xe0f8 }, |
---|
| 720 | { 0x06, 0x9ae1 }, |
---|
| 721 | { 0x06, 0xf89b }, |
---|
| 722 | { 0x06, 0xef31 }, |
---|
| 723 | { 0x06, 0x3b65 }, |
---|
| 724 | { 0x06, 0xaa07 }, |
---|
| 725 | { 0x06, 0x81e4 }, |
---|
| 726 | { 0x06, 0xf89a }, |
---|
| 727 | { 0x06, 0xe5f8 }, |
---|
| 728 | { 0x06, 0x9baf }, |
---|
| 729 | { 0x06, 0x06ae }, |
---|
| 730 | { 0x05, 0x83dc }, |
---|
| 731 | { 0x06, 0x8300 }, |
---|
| 732 | }; |
---|
| 733 | |
---|
| 734 | rtl_phy_write(ioaddr, phy_reg_init_1, |
---|
| 735 | ARRAY_SIZE(phy_reg_init_1)); |
---|
| 736 | } |
---|
| 737 | |
---|
| 738 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
| 739 | } |
---|
| 740 | |
---|
| 741 | static void rtl8102e_hw_phy_config(void *ioaddr) |
---|
| 742 | { |
---|
| 743 | struct phy_reg phy_reg_init[] = { |
---|
| 744 | { 0x1f, 0x0003 }, |
---|
| 745 | { 0x08, 0x441d }, |
---|
| 746 | { 0x01, 0x9100 }, |
---|
| 747 | { 0x1f, 0x0000 } |
---|
| 748 | }; |
---|
| 749 | |
---|
| 750 | DBGP ( "rtl8102e_hw_phy_config\n" ); |
---|
| 751 | |
---|
| 752 | mdio_write(ioaddr, 0x1f, 0x0000); |
---|
| 753 | mdio_patch(ioaddr, 0x11, 1 << 12); |
---|
| 754 | mdio_patch(ioaddr, 0x19, 1 << 13); |
---|
| 755 | |
---|
| 756 | rtl_phy_write(ioaddr, phy_reg_init, ARRAY_SIZE(phy_reg_init)); |
---|
| 757 | } |
---|
| 758 | |
---|
| 759 | static void rtl_hw_phy_config(struct net_device *dev) |
---|
| 760 | { |
---|
| 761 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
| 762 | void *ioaddr = tp->mmio_addr; |
---|
| 763 | |
---|
| 764 | DBGP ( "rtl_hw_phy_config\n" ); |
---|
| 765 | |
---|
| 766 | DBG ( "mac_version = 0x%02x\n", tp->mac_version ); |
---|
| 767 | |
---|
| 768 | switch (tp->mac_version) { |
---|
| 769 | case RTL_GIGA_MAC_VER_01: |
---|
| 770 | break; |
---|
| 771 | case RTL_GIGA_MAC_VER_02: |
---|
| 772 | case RTL_GIGA_MAC_VER_03: |
---|
| 773 | rtl8169s_hw_phy_config(ioaddr); |
---|
| 774 | break; |
---|
| 775 | case RTL_GIGA_MAC_VER_04: |
---|
| 776 | rtl8169sb_hw_phy_config(ioaddr); |
---|
| 777 | break; |
---|
| 778 | case RTL_GIGA_MAC_VER_07: |
---|
| 779 | case RTL_GIGA_MAC_VER_08: |
---|
| 780 | case RTL_GIGA_MAC_VER_09: |
---|
| 781 | rtl8102e_hw_phy_config(ioaddr); |
---|
| 782 | break; |
---|
| 783 | case RTL_GIGA_MAC_VER_11: |
---|
| 784 | rtl8168bb_hw_phy_config(ioaddr); |
---|
| 785 | break; |
---|
| 786 | case RTL_GIGA_MAC_VER_12: |
---|
| 787 | rtl8168bef_hw_phy_config(ioaddr); |
---|
| 788 | break; |
---|
| 789 | case RTL_GIGA_MAC_VER_17: |
---|
| 790 | rtl8168bef_hw_phy_config(ioaddr); |
---|
| 791 | break; |
---|
| 792 | case RTL_GIGA_MAC_VER_18: |
---|
| 793 | rtl8168cp_1_hw_phy_config(ioaddr); |
---|
| 794 | break; |
---|
| 795 | case RTL_GIGA_MAC_VER_19: |
---|
| 796 | rtl8168c_1_hw_phy_config(ioaddr); |
---|
| 797 | break; |
---|
| 798 | case RTL_GIGA_MAC_VER_20: |
---|
| 799 | rtl8168c_2_hw_phy_config(ioaddr); |
---|
| 800 | break; |
---|
| 801 | case RTL_GIGA_MAC_VER_21: |
---|
| 802 | rtl8168c_3_hw_phy_config(ioaddr); |
---|
| 803 | break; |
---|
| 804 | case RTL_GIGA_MAC_VER_22: |
---|
| 805 | rtl8168c_4_hw_phy_config(ioaddr); |
---|
| 806 | break; |
---|
| 807 | case RTL_GIGA_MAC_VER_23: |
---|
| 808 | case RTL_GIGA_MAC_VER_24: |
---|
| 809 | rtl8168cp_2_hw_phy_config(ioaddr); |
---|
| 810 | break; |
---|
| 811 | case RTL_GIGA_MAC_VER_25: |
---|
| 812 | rtl8168d_hw_phy_config(ioaddr); |
---|
| 813 | break; |
---|
| 814 | |
---|
| 815 | default: |
---|
| 816 | break; |
---|
| 817 | } |
---|
| 818 | } |
---|
| 819 | |
---|
| 820 | static void rtl8169_phy_reset(struct net_device *dev __unused, |
---|
| 821 | struct rtl8169_private *tp) |
---|
| 822 | { |
---|
| 823 | void *ioaddr = tp->mmio_addr; |
---|
| 824 | unsigned int i; |
---|
| 825 | |
---|
| 826 | DBGP ( "rtl8169_phy_reset\n" ); |
---|
| 827 | |
---|
| 828 | tp->phy_reset_enable(ioaddr); |
---|
| 829 | for (i = 0; i < 100; i++) { |
---|
| 830 | if (!tp->phy_reset_pending(ioaddr)) |
---|
| 831 | return; |
---|
| 832 | mdelay ( 1 ); |
---|
| 833 | } |
---|
| 834 | DBG ( "PHY reset failed.\n" ); |
---|
| 835 | } |
---|
| 836 | |
---|
| 837 | static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) |
---|
| 838 | { |
---|
| 839 | void *ioaddr = tp->mmio_addr; |
---|
| 840 | |
---|
| 841 | DBGP ( "rtl8169_init_phy\n" ); |
---|
| 842 | |
---|
| 843 | rtl_hw_phy_config(dev); |
---|
| 844 | |
---|
| 845 | if (tp->mac_version <= RTL_GIGA_MAC_VER_06) { |
---|
| 846 | DBG ( "Set MAC Reg C+CR Offset 0x82h = 0x01h\n" ); |
---|
| 847 | RTL_W8(0x82, 0x01); |
---|
| 848 | } |
---|
| 849 | |
---|
| 850 | pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40); |
---|
| 851 | |
---|
| 852 | if (tp->mac_version <= RTL_GIGA_MAC_VER_06) |
---|
| 853 | pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); |
---|
| 854 | |
---|
| 855 | if (tp->mac_version == RTL_GIGA_MAC_VER_02) { |
---|
| 856 | DBG ( "Set MAC Reg C+CR Offset 0x82h = 0x01h\n" ); |
---|
| 857 | RTL_W8(0x82, 0x01); |
---|
| 858 | DBG ( "Set PHY Reg 0x0bh = 0x00h\n" ); |
---|
| 859 | mdio_write(ioaddr, 0x0b, 0x0000); //w 0x0b 15 0 0 |
---|
| 860 | } |
---|
| 861 | |
---|
| 862 | rtl8169_phy_reset(dev, tp); |
---|
| 863 | |
---|
| 864 | /* |
---|
| 865 | * rtl8169_set_speed_xmii takes good care of the Fast Ethernet |
---|
| 866 | * only 8101. Don't panic. |
---|
| 867 | */ |
---|
| 868 | rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL); |
---|
| 869 | |
---|
| 870 | if ((RTL_R8(PHYstatus) & TBI_Enable)) |
---|
| 871 | DBG ( "TBI auto-negotiating\n" ); |
---|
| 872 | } |
---|
| 873 | |
---|
| 874 | static const struct rtl_cfg_info { |
---|
| 875 | void (*hw_start)(struct net_device *); |
---|
| 876 | unsigned int region; |
---|
| 877 | unsigned int align; |
---|
| 878 | u16 intr_event; |
---|
| 879 | u16 napi_event; |
---|
| 880 | unsigned features; |
---|
| 881 | } rtl_cfg_infos [] = { |
---|
| 882 | [RTL_CFG_0] = { |
---|
| 883 | .hw_start = rtl_hw_start_8169, |
---|
| 884 | .region = 1, |
---|
| 885 | .align = 0, |
---|
| 886 | .intr_event = SYSErr | LinkChg | RxOverflow | |
---|
| 887 | RxFIFOOver | TxErr | TxOK | RxOK | RxErr, |
---|
| 888 | .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, |
---|
| 889 | .features = RTL_FEATURE_GMII |
---|
| 890 | }, |
---|
| 891 | [RTL_CFG_1] = { |
---|
| 892 | .hw_start = rtl_hw_start_8168, |
---|
| 893 | .region = 2, |
---|
| 894 | .align = 8, |
---|
| 895 | .intr_event = SYSErr | LinkChg | RxOverflow | |
---|
| 896 | TxErr | TxOK | RxOK | RxErr, |
---|
| 897 | .napi_event = TxErr | TxOK | RxOK | RxOverflow, |
---|
| 898 | .features = RTL_FEATURE_GMII |
---|
| 899 | }, |
---|
| 900 | [RTL_CFG_2] = { |
---|
| 901 | .hw_start = rtl_hw_start_8101, |
---|
| 902 | .region = 2, |
---|
| 903 | .align = 8, |
---|
| 904 | .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout | |
---|
| 905 | RxFIFOOver | TxErr | TxOK | RxOK | RxErr, |
---|
| 906 | .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow, |
---|
| 907 | } |
---|
| 908 | }; |
---|
| 909 | |
---|
| 910 | static void rtl8169_hw_reset(void *ioaddr) |
---|
| 911 | { |
---|
| 912 | DBGP ( "rtl8169_hw_reset\n" ); |
---|
| 913 | |
---|
| 914 | /* Disable interrupts */ |
---|
| 915 | rtl8169_irq_mask_and_ack(ioaddr); |
---|
| 916 | |
---|
| 917 | /* Reset the chipset */ |
---|
| 918 | RTL_W8(ChipCmd, CmdReset); |
---|
| 919 | |
---|
| 920 | /* PCI commit */ |
---|
| 921 | RTL_R8(ChipCmd); |
---|
| 922 | } |
---|
| 923 | |
---|
| 924 | static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp) |
---|
| 925 | { |
---|
| 926 | void *ioaddr = tp->mmio_addr; |
---|
| 927 | u32 cfg = rtl8169_rx_config; |
---|
| 928 | |
---|
| 929 | DBGP ( "rtl_set_rx_tx_config_registers\n" ); |
---|
| 930 | |
---|
| 931 | cfg |= (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); |
---|
| 932 | RTL_W32(RxConfig, cfg); |
---|
| 933 | |
---|
| 934 | /* Set DMA burst size and Interframe Gap Time */ |
---|
| 935 | RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | |
---|
| 936 | (InterFrameGap << TxInterFrameGapShift)); |
---|
| 937 | } |
---|
| 938 | |
---|
| 939 | static void rtl_soft_reset ( struct net_device *dev ) |
---|
| 940 | { |
---|
| 941 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
| 942 | void *ioaddr = tp->mmio_addr; |
---|
| 943 | unsigned int i; |
---|
| 944 | |
---|
| 945 | DBGP ( "rtl_hw_soft_reset\n" ); |
---|
| 946 | |
---|
| 947 | /* Soft reset the chip. */ |
---|
| 948 | RTL_W8(ChipCmd, CmdReset); |
---|
| 949 | |
---|
| 950 | /* Check that the chip has finished the reset. */ |
---|
| 951 | for (i = 0; i < 100; i++) { |
---|
| 952 | if ((RTL_R8(ChipCmd) & CmdReset) == 0) |
---|
| 953 | break; |
---|
| 954 | mdelay ( 1 ); |
---|
| 955 | } |
---|
| 956 | |
---|
| 957 | if ( i == 100 ) { |
---|
| 958 | DBG ( "Reset Failed! (> 100 iterations)\n" ); |
---|
| 959 | } |
---|
| 960 | } |
---|
| 961 | |
---|
| 962 | static void rtl_hw_start ( struct net_device *dev ) |
---|
| 963 | { |
---|
| 964 | struct rtl8169_private *tp = netdev_priv ( dev ); |
---|
| 965 | |
---|
| 966 | DBGP ( "rtl_hw_start\n" ); |
---|
| 967 | |
---|
| 968 | /* Soft reset NIC */ |
---|
| 969 | rtl_soft_reset ( dev ); |
---|
| 970 | |
---|
| 971 | tp->hw_start ( dev ); |
---|
| 972 | } |
---|
| 973 | |
---|
| 974 | static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp, |
---|
| 975 | void *ioaddr) |
---|
| 976 | { |
---|
| 977 | DBGP ( "rtl_set_rx_tx_desc_registers\n" ); |
---|
| 978 | |
---|
| 979 | /* |
---|
| 980 | * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh |
---|
| 981 | * register to be written before TxDescAddrLow to work. |
---|
| 982 | * Switching from MMIO to I/O access fixes the issue as well. |
---|
| 983 | */ |
---|
| 984 | RTL_W32 ( TxDescStartAddrHigh, 0 ); |
---|
| 985 | RTL_W32 ( TxDescStartAddrLow, virt_to_bus ( tp->tx_base ) ); |
---|
| 986 | RTL_W32 ( RxDescAddrHigh, 0 ); |
---|
| 987 | RTL_W32 ( RxDescAddrLow, virt_to_bus ( tp->rx_base ) ); |
---|
| 988 | } |
---|
| 989 | |
---|
| 990 | static u16 rtl_rw_cpluscmd(void *ioaddr) |
---|
| 991 | { |
---|
| 992 | u16 cmd; |
---|
| 993 | |
---|
| 994 | DBGP ( "rtl_rw_cpluscmd\n" ); |
---|
| 995 | |
---|
| 996 | cmd = RTL_R16(CPlusCmd); |
---|
| 997 | RTL_W16(CPlusCmd, cmd); |
---|
| 998 | return cmd; |
---|
| 999 | } |
---|
| 1000 | |
---|
| 1001 | static void rtl_set_rx_max_size(void *ioaddr) |
---|
| 1002 | { |
---|
| 1003 | DBGP ( "rtl_set_rx_max_size\n" ); |
---|
| 1004 | |
---|
| 1005 | RTL_W16 ( RxMaxSize, RX_BUF_SIZE ); |
---|
| 1006 | } |
---|
| 1007 | |
---|
| 1008 | static void rtl8169_set_magic_reg(void *ioaddr, unsigned mac_version) |
---|
| 1009 | { |
---|
| 1010 | struct { |
---|
| 1011 | u32 mac_version; |
---|
| 1012 | u32 clk; |
---|
| 1013 | u32 val; |
---|
| 1014 | } cfg2_info [] = { |
---|
| 1015 | { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd |
---|
| 1016 | { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff }, |
---|
| 1017 | { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe |
---|
| 1018 | { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff } |
---|
| 1019 | }, *p = cfg2_info; |
---|
| 1020 | unsigned int i; |
---|
| 1021 | u32 clk; |
---|
| 1022 | |
---|
| 1023 | DBGP ( "rtl8169_set_magic_reg\n" ); |
---|
| 1024 | |
---|
| 1025 | clk = RTL_R8(Config2) & PCI_Clock_66MHz; |
---|
| 1026 | for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) { |
---|
| 1027 | if ((p->mac_version == mac_version) && (p->clk == clk)) { |
---|
| 1028 | RTL_W32(0x7c, p->val); |
---|
| 1029 | break; |
---|
| 1030 | } |
---|
| 1031 | } |
---|
| 1032 | } |
---|
| 1033 | |
---|
| 1034 | static void rtl_set_rx_mode ( struct net_device *netdev ) |
---|
| 1035 | { |
---|
| 1036 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 1037 | void *ioaddr = tp->mmio_addr; |
---|
| 1038 | u32 tmp; |
---|
| 1039 | |
---|
| 1040 | DBGP ( "rtl_set_rx_mode\n" ); |
---|
| 1041 | |
---|
| 1042 | /* Accept all Multicast Packets */ |
---|
| 1043 | |
---|
| 1044 | RTL_W32 ( MAR0 + 0, 0xffffffff ); |
---|
| 1045 | RTL_W32 ( MAR0 + 4, 0xffffffff ); |
---|
| 1046 | |
---|
| 1047 | tmp = rtl8169_rx_config | AcceptBroadcast | AcceptMulticast | AcceptMyPhys | |
---|
| 1048 | ( RTL_R32 ( RxConfig ) & rtl_chip_info[tp->chipset].RxConfigMask ); |
---|
| 1049 | |
---|
| 1050 | RTL_W32 ( RxConfig, tmp ); |
---|
| 1051 | } |
---|
| 1052 | |
---|
| 1053 | static void rtl_hw_start_8169(struct net_device *dev) |
---|
| 1054 | { |
---|
| 1055 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
| 1056 | void *ioaddr = tp->mmio_addr; |
---|
| 1057 | struct pci_device *pdev = tp->pci_dev; |
---|
| 1058 | |
---|
| 1059 | DBGP ( "rtl_hw_start_8169\n" ); |
---|
| 1060 | |
---|
| 1061 | if (tp->mac_version == RTL_GIGA_MAC_VER_05) { |
---|
| 1062 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW); |
---|
| 1063 | pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08); |
---|
| 1064 | } |
---|
| 1065 | |
---|
| 1066 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
---|
| 1067 | |
---|
| 1068 | if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || |
---|
| 1069 | (tp->mac_version == RTL_GIGA_MAC_VER_02) || |
---|
| 1070 | (tp->mac_version == RTL_GIGA_MAC_VER_03) || |
---|
| 1071 | (tp->mac_version == RTL_GIGA_MAC_VER_04)) |
---|
| 1072 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
| 1073 | |
---|
| 1074 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
| 1075 | |
---|
| 1076 | rtl_set_rx_max_size(ioaddr); |
---|
| 1077 | |
---|
| 1078 | if ((tp->mac_version == RTL_GIGA_MAC_VER_01) || |
---|
| 1079 | (tp->mac_version == RTL_GIGA_MAC_VER_02) || |
---|
| 1080 | (tp->mac_version == RTL_GIGA_MAC_VER_03) || |
---|
| 1081 | (tp->mac_version == RTL_GIGA_MAC_VER_04)) |
---|
| 1082 | rtl_set_rx_tx_config_registers(tp); |
---|
| 1083 | |
---|
| 1084 | tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; |
---|
| 1085 | |
---|
| 1086 | if ((tp->mac_version == RTL_GIGA_MAC_VER_02) || |
---|
| 1087 | (tp->mac_version == RTL_GIGA_MAC_VER_03)) { |
---|
| 1088 | DBG ( "Set MAC Reg C+CR Offset 0xE0. " |
---|
| 1089 | "Bit-3 and bit-14 MUST be 1\n" ); |
---|
| 1090 | tp->cp_cmd |= (1 << 14); |
---|
| 1091 | } |
---|
| 1092 | |
---|
| 1093 | RTL_W16(CPlusCmd, tp->cp_cmd); |
---|
| 1094 | |
---|
| 1095 | rtl8169_set_magic_reg(ioaddr, tp->mac_version); |
---|
| 1096 | |
---|
| 1097 | /* |
---|
| 1098 | * Undocumented corner. Supposedly: |
---|
| 1099 | * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets |
---|
| 1100 | */ |
---|
| 1101 | RTL_W16(IntrMitigate, 0x0000); |
---|
| 1102 | |
---|
| 1103 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
---|
| 1104 | |
---|
| 1105 | if ((tp->mac_version != RTL_GIGA_MAC_VER_01) && |
---|
| 1106 | (tp->mac_version != RTL_GIGA_MAC_VER_02) && |
---|
| 1107 | (tp->mac_version != RTL_GIGA_MAC_VER_03) && |
---|
| 1108 | (tp->mac_version != RTL_GIGA_MAC_VER_04)) { |
---|
| 1109 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
| 1110 | rtl_set_rx_tx_config_registers(tp); |
---|
| 1111 | } |
---|
| 1112 | |
---|
| 1113 | RTL_W8(Cfg9346, Cfg9346_Lock); |
---|
| 1114 | |
---|
| 1115 | /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ |
---|
| 1116 | RTL_R8(IntrMask); |
---|
| 1117 | |
---|
| 1118 | RTL_W32(RxMissed, 0); |
---|
| 1119 | |
---|
| 1120 | rtl_set_rx_mode(dev); |
---|
| 1121 | |
---|
| 1122 | /* no early-rx interrupts */ |
---|
| 1123 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); |
---|
| 1124 | |
---|
| 1125 | // RTL_W16(IntrMask, tp->intr_event); |
---|
| 1126 | } |
---|
| 1127 | |
---|
| 1128 | static void rtl_tx_performance_tweak(struct pci_device *pdev, u16 force) |
---|
| 1129 | { |
---|
| 1130 | struct net_device *dev = pci_get_drvdata(pdev); |
---|
| 1131 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
| 1132 | int cap = tp->pcie_cap; |
---|
| 1133 | |
---|
| 1134 | DBGP ( "rtl_tx_performance_tweak\n" ); |
---|
| 1135 | |
---|
| 1136 | if (cap) { |
---|
| 1137 | u16 ctl; |
---|
| 1138 | |
---|
| 1139 | pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl); |
---|
| 1140 | ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force; |
---|
| 1141 | pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl); |
---|
| 1142 | } |
---|
| 1143 | } |
---|
| 1144 | |
---|
| 1145 | static void rtl_csi_access_enable(void *ioaddr) |
---|
| 1146 | { |
---|
| 1147 | u32 csi; |
---|
| 1148 | |
---|
| 1149 | DBGP ( "rtl_csi_access_enable\n" ); |
---|
| 1150 | |
---|
| 1151 | csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff; |
---|
| 1152 | rtl_csi_write(ioaddr, 0x070c, csi | 0x27000000); |
---|
| 1153 | } |
---|
| 1154 | |
---|
| 1155 | struct ephy_info { |
---|
| 1156 | unsigned int offset; |
---|
| 1157 | u16 mask; |
---|
| 1158 | u16 bits; |
---|
| 1159 | }; |
---|
| 1160 | |
---|
| 1161 | static void rtl_ephy_init(void *ioaddr, struct ephy_info *e, int len) |
---|
| 1162 | { |
---|
| 1163 | u16 w; |
---|
| 1164 | |
---|
| 1165 | DBGP ( "rtl_ephy_init\n" ); |
---|
| 1166 | |
---|
| 1167 | while (len-- > 0) { |
---|
| 1168 | w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits; |
---|
| 1169 | rtl_ephy_write(ioaddr, e->offset, w); |
---|
| 1170 | e++; |
---|
| 1171 | } |
---|
| 1172 | } |
---|
| 1173 | |
---|
| 1174 | static void rtl_disable_clock_request(struct pci_device *pdev) |
---|
| 1175 | { |
---|
| 1176 | struct net_device *dev = pci_get_drvdata(pdev); |
---|
| 1177 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
| 1178 | int cap = tp->pcie_cap; |
---|
| 1179 | |
---|
| 1180 | DBGP ( "rtl_disable_clock_request\n" ); |
---|
| 1181 | |
---|
| 1182 | if (cap) { |
---|
| 1183 | u16 ctl; |
---|
| 1184 | |
---|
| 1185 | pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl); |
---|
| 1186 | ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN; |
---|
| 1187 | pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl); |
---|
| 1188 | } |
---|
| 1189 | } |
---|
| 1190 | |
---|
| 1191 | #define R8168_CPCMD_QUIRK_MASK (\ |
---|
| 1192 | EnableBist | \ |
---|
| 1193 | Mac_dbgo_oe | \ |
---|
| 1194 | Force_half_dup | \ |
---|
| 1195 | Force_rxflow_en | \ |
---|
| 1196 | Force_txflow_en | \ |
---|
| 1197 | Cxpl_dbg_sel | \ |
---|
| 1198 | ASF | \ |
---|
| 1199 | PktCntrDisable | \ |
---|
| 1200 | Mac_dbgo_sel) |
---|
| 1201 | |
---|
| 1202 | static void rtl_hw_start_8168bb(void *ioaddr, struct pci_device *pdev) |
---|
| 1203 | { |
---|
| 1204 | DBGP ( "rtl_hw_start_8168bb\n" ); |
---|
| 1205 | |
---|
| 1206 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
| 1207 | |
---|
| 1208 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
| 1209 | |
---|
| 1210 | rtl_tx_performance_tweak(pdev, |
---|
| 1211 | (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN); |
---|
| 1212 | } |
---|
| 1213 | |
---|
| 1214 | static void rtl_hw_start_8168bef(void *ioaddr, struct pci_device *pdev) |
---|
| 1215 | { |
---|
| 1216 | DBGP ( "rtl_hw_start_8168bef\n" ); |
---|
| 1217 | |
---|
| 1218 | rtl_hw_start_8168bb(ioaddr, pdev); |
---|
| 1219 | |
---|
| 1220 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
| 1221 | |
---|
| 1222 | RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0)); |
---|
| 1223 | } |
---|
| 1224 | |
---|
| 1225 | static void __rtl_hw_start_8168cp(void *ioaddr, struct pci_device *pdev) |
---|
| 1226 | { |
---|
| 1227 | DBGP ( "__rtl_hw_start_8168cp\n" ); |
---|
| 1228 | |
---|
| 1229 | RTL_W8(Config1, RTL_R8(Config1) | Speed_down); |
---|
| 1230 | |
---|
| 1231 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
| 1232 | |
---|
| 1233 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
| 1234 | |
---|
| 1235 | rtl_disable_clock_request(pdev); |
---|
| 1236 | |
---|
| 1237 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
| 1238 | } |
---|
| 1239 | |
---|
| 1240 | static void rtl_hw_start_8168cp_1(void *ioaddr, struct pci_device *pdev) |
---|
| 1241 | { |
---|
| 1242 | static struct ephy_info e_info_8168cp[] = { |
---|
| 1243 | { 0x01, 0, 0x0001 }, |
---|
| 1244 | { 0x02, 0x0800, 0x1000 }, |
---|
| 1245 | { 0x03, 0, 0x0042 }, |
---|
| 1246 | { 0x06, 0x0080, 0x0000 }, |
---|
| 1247 | { 0x07, 0, 0x2000 } |
---|
| 1248 | }; |
---|
| 1249 | |
---|
| 1250 | DBGP ( "rtl_hw_start_8168cp_1\n" ); |
---|
| 1251 | |
---|
| 1252 | rtl_csi_access_enable(ioaddr); |
---|
| 1253 | |
---|
| 1254 | rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp)); |
---|
| 1255 | |
---|
| 1256 | __rtl_hw_start_8168cp(ioaddr, pdev); |
---|
| 1257 | } |
---|
| 1258 | |
---|
| 1259 | static void rtl_hw_start_8168cp_2(void *ioaddr, struct pci_device *pdev) |
---|
| 1260 | { |
---|
| 1261 | DBGP ( "rtl_hw_start_8168cp_2\n" ); |
---|
| 1262 | |
---|
| 1263 | rtl_csi_access_enable(ioaddr); |
---|
| 1264 | |
---|
| 1265 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
| 1266 | |
---|
| 1267 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
| 1268 | |
---|
| 1269 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
| 1270 | } |
---|
| 1271 | |
---|
| 1272 | static void rtl_hw_start_8168cp_3(void *ioaddr, struct pci_device *pdev) |
---|
| 1273 | { |
---|
| 1274 | DBGP ( "rtl_hw_start_8168cp_3\n" ); |
---|
| 1275 | |
---|
| 1276 | rtl_csi_access_enable(ioaddr); |
---|
| 1277 | |
---|
| 1278 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
| 1279 | |
---|
| 1280 | /* Magic. */ |
---|
| 1281 | RTL_W8(DBG_REG, 0x20); |
---|
| 1282 | |
---|
| 1283 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
| 1284 | |
---|
| 1285 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
| 1286 | |
---|
| 1287 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
| 1288 | } |
---|
| 1289 | |
---|
| 1290 | static void rtl_hw_start_8168c_1(void *ioaddr, struct pci_device *pdev) |
---|
| 1291 | { |
---|
| 1292 | static struct ephy_info e_info_8168c_1[] = { |
---|
| 1293 | { 0x02, 0x0800, 0x1000 }, |
---|
| 1294 | { 0x03, 0, 0x0002 }, |
---|
| 1295 | { 0x06, 0x0080, 0x0000 } |
---|
| 1296 | }; |
---|
| 1297 | |
---|
| 1298 | DBGP ( "rtl_hw_start_8168c_1\n" ); |
---|
| 1299 | |
---|
| 1300 | rtl_csi_access_enable(ioaddr); |
---|
| 1301 | |
---|
| 1302 | RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2); |
---|
| 1303 | |
---|
| 1304 | rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1)); |
---|
| 1305 | |
---|
| 1306 | __rtl_hw_start_8168cp(ioaddr, pdev); |
---|
| 1307 | } |
---|
| 1308 | |
---|
| 1309 | static void rtl_hw_start_8168c_2(void *ioaddr, struct pci_device *pdev) |
---|
| 1310 | { |
---|
| 1311 | static struct ephy_info e_info_8168c_2[] = { |
---|
| 1312 | { 0x01, 0, 0x0001 }, |
---|
| 1313 | { 0x03, 0x0400, 0x0220 } |
---|
| 1314 | }; |
---|
| 1315 | |
---|
| 1316 | DBGP ( "rtl_hw_start_8168c_2\n" ); |
---|
| 1317 | |
---|
| 1318 | rtl_csi_access_enable(ioaddr); |
---|
| 1319 | |
---|
| 1320 | rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2)); |
---|
| 1321 | |
---|
| 1322 | __rtl_hw_start_8168cp(ioaddr, pdev); |
---|
| 1323 | } |
---|
| 1324 | |
---|
| 1325 | static void rtl_hw_start_8168c_3(void *ioaddr, struct pci_device *pdev) |
---|
| 1326 | { |
---|
| 1327 | DBGP ( "rtl_hw_start_8168c_3\n" ); |
---|
| 1328 | |
---|
| 1329 | rtl_hw_start_8168c_2(ioaddr, pdev); |
---|
| 1330 | } |
---|
| 1331 | |
---|
| 1332 | static void rtl_hw_start_8168c_4(void *ioaddr, struct pci_device *pdev) |
---|
| 1333 | { |
---|
| 1334 | DBGP ( "rtl_hw_start_8168c_4\n" ); |
---|
| 1335 | |
---|
| 1336 | rtl_csi_access_enable(ioaddr); |
---|
| 1337 | |
---|
| 1338 | __rtl_hw_start_8168cp(ioaddr, pdev); |
---|
| 1339 | } |
---|
| 1340 | |
---|
| 1341 | static void rtl_hw_start_8168d(void *ioaddr, struct pci_device *pdev) |
---|
| 1342 | { |
---|
| 1343 | DBGP ( "rtl_hw_start_8168d\n" ); |
---|
| 1344 | |
---|
| 1345 | rtl_csi_access_enable(ioaddr); |
---|
| 1346 | |
---|
| 1347 | rtl_disable_clock_request(pdev); |
---|
| 1348 | |
---|
| 1349 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
| 1350 | |
---|
| 1351 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
| 1352 | |
---|
| 1353 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK); |
---|
| 1354 | } |
---|
| 1355 | |
---|
| 1356 | static void rtl_hw_start_8168(struct net_device *dev) |
---|
| 1357 | { |
---|
| 1358 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
| 1359 | void *ioaddr = tp->mmio_addr; |
---|
| 1360 | struct pci_device *pdev = tp->pci_dev; |
---|
| 1361 | |
---|
| 1362 | DBGP ( "rtl_hw_start_8168\n" ); |
---|
| 1363 | |
---|
| 1364 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
---|
| 1365 | |
---|
| 1366 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
| 1367 | |
---|
| 1368 | rtl_set_rx_max_size(ioaddr); |
---|
| 1369 | |
---|
| 1370 | tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1; |
---|
| 1371 | |
---|
| 1372 | RTL_W16(CPlusCmd, tp->cp_cmd); |
---|
| 1373 | |
---|
| 1374 | RTL_W16(IntrMitigate, 0x5151); |
---|
| 1375 | |
---|
| 1376 | /* Work around for RxFIFO overflow. */ |
---|
| 1377 | if (tp->mac_version == RTL_GIGA_MAC_VER_11) { |
---|
| 1378 | tp->intr_event |= RxFIFOOver | PCSTimeout; |
---|
| 1379 | tp->intr_event &= ~RxOverflow; |
---|
| 1380 | } |
---|
| 1381 | |
---|
| 1382 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
---|
| 1383 | |
---|
| 1384 | rtl_set_rx_mode(dev); |
---|
| 1385 | |
---|
| 1386 | RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) | |
---|
| 1387 | (InterFrameGap << TxInterFrameGapShift)); |
---|
| 1388 | |
---|
| 1389 | RTL_R8(IntrMask); |
---|
| 1390 | |
---|
| 1391 | switch (tp->mac_version) { |
---|
| 1392 | case RTL_GIGA_MAC_VER_11: |
---|
| 1393 | rtl_hw_start_8168bb(ioaddr, pdev); |
---|
| 1394 | break; |
---|
| 1395 | |
---|
| 1396 | case RTL_GIGA_MAC_VER_12: |
---|
| 1397 | case RTL_GIGA_MAC_VER_17: |
---|
| 1398 | rtl_hw_start_8168bef(ioaddr, pdev); |
---|
| 1399 | break; |
---|
| 1400 | |
---|
| 1401 | case RTL_GIGA_MAC_VER_18: |
---|
| 1402 | rtl_hw_start_8168cp_1(ioaddr, pdev); |
---|
| 1403 | break; |
---|
| 1404 | |
---|
| 1405 | case RTL_GIGA_MAC_VER_19: |
---|
| 1406 | rtl_hw_start_8168c_1(ioaddr, pdev); |
---|
| 1407 | break; |
---|
| 1408 | |
---|
| 1409 | case RTL_GIGA_MAC_VER_20: |
---|
| 1410 | rtl_hw_start_8168c_2(ioaddr, pdev); |
---|
| 1411 | break; |
---|
| 1412 | |
---|
| 1413 | case RTL_GIGA_MAC_VER_21: |
---|
| 1414 | rtl_hw_start_8168c_3(ioaddr, pdev); |
---|
| 1415 | break; |
---|
| 1416 | |
---|
| 1417 | case RTL_GIGA_MAC_VER_22: |
---|
| 1418 | rtl_hw_start_8168c_4(ioaddr, pdev); |
---|
| 1419 | break; |
---|
| 1420 | |
---|
| 1421 | case RTL_GIGA_MAC_VER_23: |
---|
| 1422 | rtl_hw_start_8168cp_2(ioaddr, pdev); |
---|
| 1423 | break; |
---|
| 1424 | |
---|
| 1425 | case RTL_GIGA_MAC_VER_24: |
---|
| 1426 | rtl_hw_start_8168cp_3(ioaddr, pdev); |
---|
| 1427 | break; |
---|
| 1428 | |
---|
| 1429 | case RTL_GIGA_MAC_VER_25: |
---|
| 1430 | rtl_hw_start_8168d(ioaddr, pdev); |
---|
| 1431 | break; |
---|
| 1432 | |
---|
| 1433 | default: |
---|
| 1434 | DBG ( "Unknown chipset (mac_version = %d).\n", |
---|
| 1435 | tp->mac_version ); |
---|
| 1436 | break; |
---|
| 1437 | } |
---|
| 1438 | |
---|
| 1439 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
| 1440 | |
---|
| 1441 | RTL_W8(Cfg9346, Cfg9346_Lock); |
---|
| 1442 | |
---|
| 1443 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000); |
---|
| 1444 | |
---|
| 1445 | // RTL_W16(IntrMask, tp->intr_event); |
---|
| 1446 | } |
---|
| 1447 | |
---|
| 1448 | #define R810X_CPCMD_QUIRK_MASK (\ |
---|
| 1449 | EnableBist | \ |
---|
| 1450 | Mac_dbgo_oe | \ |
---|
| 1451 | Force_half_dup | \ |
---|
| 1452 | Force_half_dup | \ |
---|
| 1453 | Force_txflow_en | \ |
---|
| 1454 | Cxpl_dbg_sel | \ |
---|
| 1455 | ASF | \ |
---|
| 1456 | PktCntrDisable | \ |
---|
| 1457 | PCIDAC | \ |
---|
| 1458 | PCIMulRW) |
---|
| 1459 | |
---|
| 1460 | static void rtl_hw_start_8102e_1(void *ioaddr, struct pci_device *pdev) |
---|
| 1461 | { |
---|
| 1462 | static struct ephy_info e_info_8102e_1[] = { |
---|
| 1463 | { 0x01, 0, 0x6e65 }, |
---|
| 1464 | { 0x02, 0, 0x091f }, |
---|
| 1465 | { 0x03, 0, 0xc2f9 }, |
---|
| 1466 | { 0x06, 0, 0xafb5 }, |
---|
| 1467 | { 0x07, 0, 0x0e00 }, |
---|
| 1468 | { 0x19, 0, 0xec80 }, |
---|
| 1469 | { 0x01, 0, 0x2e65 }, |
---|
| 1470 | { 0x01, 0, 0x6e65 } |
---|
| 1471 | }; |
---|
| 1472 | u8 cfg1; |
---|
| 1473 | |
---|
| 1474 | DBGP ( "rtl_hw_start_8102e_1\n" ); |
---|
| 1475 | |
---|
| 1476 | rtl_csi_access_enable(ioaddr); |
---|
| 1477 | |
---|
| 1478 | RTL_W8(DBG_REG, FIX_NAK_1); |
---|
| 1479 | |
---|
| 1480 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
| 1481 | |
---|
| 1482 | RTL_W8(Config1, |
---|
| 1483 | LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); |
---|
| 1484 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
| 1485 | |
---|
| 1486 | cfg1 = RTL_R8(Config1); |
---|
| 1487 | if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) |
---|
| 1488 | RTL_W8(Config1, cfg1 & ~LEDS0); |
---|
| 1489 | |
---|
| 1490 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); |
---|
| 1491 | |
---|
| 1492 | rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1)); |
---|
| 1493 | } |
---|
| 1494 | |
---|
| 1495 | static void rtl_hw_start_8102e_2(void *ioaddr, struct pci_device *pdev) |
---|
| 1496 | { |
---|
| 1497 | DBGP ( "rtl_hw_start_8102e_2\n" ); |
---|
| 1498 | |
---|
| 1499 | rtl_csi_access_enable(ioaddr); |
---|
| 1500 | |
---|
| 1501 | rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT); |
---|
| 1502 | |
---|
| 1503 | RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable); |
---|
| 1504 | RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en); |
---|
| 1505 | |
---|
| 1506 | RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R810X_CPCMD_QUIRK_MASK); |
---|
| 1507 | } |
---|
| 1508 | |
---|
| 1509 | static void rtl_hw_start_8102e_3(void *ioaddr, struct pci_device *pdev) |
---|
| 1510 | { |
---|
| 1511 | DBGP ( "rtl_hw_start_8102e_3\n" ); |
---|
| 1512 | |
---|
| 1513 | rtl_hw_start_8102e_2(ioaddr, pdev); |
---|
| 1514 | |
---|
| 1515 | rtl_ephy_write(ioaddr, 0x03, 0xc2f9); |
---|
| 1516 | } |
---|
| 1517 | |
---|
| 1518 | static void rtl_hw_start_8101(struct net_device *dev) |
---|
| 1519 | { |
---|
| 1520 | struct rtl8169_private *tp = netdev_priv(dev); |
---|
| 1521 | void *ioaddr = tp->mmio_addr; |
---|
| 1522 | struct pci_device *pdev = tp->pci_dev; |
---|
| 1523 | |
---|
| 1524 | DBGP ( "rtl_hw_start_8101\n" ); |
---|
| 1525 | |
---|
| 1526 | if ((tp->mac_version == RTL_GIGA_MAC_VER_13) || |
---|
| 1527 | (tp->mac_version == RTL_GIGA_MAC_VER_16)) { |
---|
| 1528 | int cap = tp->pcie_cap; |
---|
| 1529 | |
---|
| 1530 | if (cap) { |
---|
| 1531 | pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, |
---|
| 1532 | PCI_EXP_DEVCTL_NOSNOOP_EN); |
---|
| 1533 | } |
---|
| 1534 | } |
---|
| 1535 | |
---|
| 1536 | switch (tp->mac_version) { |
---|
| 1537 | case RTL_GIGA_MAC_VER_07: |
---|
| 1538 | rtl_hw_start_8102e_1(ioaddr, pdev); |
---|
| 1539 | break; |
---|
| 1540 | |
---|
| 1541 | case RTL_GIGA_MAC_VER_08: |
---|
| 1542 | rtl_hw_start_8102e_3(ioaddr, pdev); |
---|
| 1543 | break; |
---|
| 1544 | |
---|
| 1545 | case RTL_GIGA_MAC_VER_09: |
---|
| 1546 | rtl_hw_start_8102e_2(ioaddr, pdev); |
---|
| 1547 | break; |
---|
| 1548 | } |
---|
| 1549 | |
---|
| 1550 | RTL_W8(Cfg9346, Cfg9346_Unlock); |
---|
| 1551 | |
---|
| 1552 | RTL_W8(EarlyTxThres, EarlyTxThld); |
---|
| 1553 | |
---|
| 1554 | rtl_set_rx_max_size(ioaddr); |
---|
| 1555 | |
---|
| 1556 | tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW; |
---|
| 1557 | |
---|
| 1558 | RTL_W16(CPlusCmd, tp->cp_cmd); |
---|
| 1559 | |
---|
| 1560 | RTL_W16(IntrMitigate, 0x0000); |
---|
| 1561 | |
---|
| 1562 | rtl_set_rx_tx_desc_registers(tp, ioaddr); |
---|
| 1563 | |
---|
| 1564 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
| 1565 | rtl_set_rx_tx_config_registers(tp); |
---|
| 1566 | |
---|
| 1567 | RTL_W8(Cfg9346, Cfg9346_Lock); |
---|
| 1568 | |
---|
| 1569 | RTL_R8(IntrMask); |
---|
| 1570 | |
---|
| 1571 | rtl_set_rx_mode(dev); |
---|
| 1572 | |
---|
| 1573 | RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); |
---|
| 1574 | |
---|
| 1575 | RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000); |
---|
| 1576 | |
---|
| 1577 | // RTL_W16(IntrMask, tp->intr_event); |
---|
| 1578 | } |
---|
| 1579 | |
---|
| 1580 | /*** gPXE API Support Routines ***/ |
---|
| 1581 | |
---|
| 1582 | /** |
---|
| 1583 | * setup_tx_resources - allocate tx resources (descriptors) |
---|
| 1584 | * |
---|
| 1585 | * @v tp Driver private storage |
---|
| 1586 | * |
---|
| 1587 | * @ret rc Returns 0 on success, negative on failure |
---|
| 1588 | **/ |
---|
| 1589 | static int |
---|
| 1590 | rtl8169_setup_tx_resources ( struct rtl8169_private *tp ) |
---|
| 1591 | { |
---|
| 1592 | DBGP ( "rtl8169_setup_tx_resources\n" ); |
---|
| 1593 | |
---|
| 1594 | tp->tx_base = malloc_dma ( R8169_TX_RING_BYTES, TX_RING_ALIGN ); |
---|
| 1595 | |
---|
| 1596 | if ( ! tp->tx_base ) { |
---|
| 1597 | return -ENOMEM; |
---|
| 1598 | } |
---|
| 1599 | |
---|
| 1600 | memset ( tp->tx_base, 0, R8169_TX_RING_BYTES ); |
---|
| 1601 | |
---|
| 1602 | DBG ( "tp->tx_base = %#08lx\n", virt_to_bus ( tp->tx_base ) ); |
---|
| 1603 | |
---|
| 1604 | tp->tx_fill_ctr = 0; |
---|
| 1605 | tp->tx_curr = 0; |
---|
| 1606 | tp->tx_tail = 0; |
---|
| 1607 | |
---|
| 1608 | return 0; |
---|
| 1609 | } |
---|
| 1610 | |
---|
| 1611 | static void |
---|
| 1612 | rtl8169_process_tx_packets ( struct net_device *netdev ) |
---|
| 1613 | { |
---|
| 1614 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 1615 | |
---|
| 1616 | uint32_t tx_status; |
---|
| 1617 | struct TxDesc *tx_curr_desc; |
---|
| 1618 | |
---|
| 1619 | DBGP ( "rtl8169_process_tx_packets\n" ); |
---|
| 1620 | |
---|
| 1621 | while ( tp->tx_tail != tp->tx_curr ) { |
---|
| 1622 | |
---|
| 1623 | tx_curr_desc = tp->tx_base + tp->tx_tail; |
---|
| 1624 | |
---|
| 1625 | tx_status = tx_curr_desc->opts1; |
---|
| 1626 | |
---|
| 1627 | DBG2 ( "Before DescOwn check tx_status: %#08x\n", tx_status ); |
---|
| 1628 | |
---|
| 1629 | /* if the packet at tx_tail is not owned by hardware it is for us */ |
---|
| 1630 | if ( tx_status & DescOwn ) |
---|
| 1631 | break; |
---|
| 1632 | |
---|
| 1633 | DBG ( "Transmitted packet.\n" ); |
---|
| 1634 | DBG ( "tp->tx_fill_ctr = %d\n", tp->tx_fill_ctr ); |
---|
| 1635 | DBG ( "tp->tx_tail = %d\n", tp->tx_tail ); |
---|
| 1636 | DBG ( "tp->tx_curr = %d\n", tp->tx_curr ); |
---|
| 1637 | DBG ( "tx_status = %d\n", tx_status ); |
---|
| 1638 | DBG ( "tx_curr_desc = %#08lx\n", virt_to_bus ( tx_curr_desc ) ); |
---|
| 1639 | |
---|
| 1640 | /* Pass packet to core for processing */ |
---|
| 1641 | netdev_tx_complete ( netdev, tp->tx_iobuf[tp->tx_tail] ); |
---|
| 1642 | |
---|
| 1643 | memset ( tx_curr_desc, 0, sizeof ( *tx_curr_desc ) ); |
---|
| 1644 | |
---|
| 1645 | /* Decrement count of used descriptors */ |
---|
| 1646 | tp->tx_fill_ctr--; |
---|
| 1647 | |
---|
| 1648 | /* Increment sent packets index */ |
---|
| 1649 | tp->tx_tail = ( tp->tx_tail + 1 ) % NUM_TX_DESC; |
---|
| 1650 | } |
---|
| 1651 | } |
---|
| 1652 | |
---|
| 1653 | static void |
---|
| 1654 | rtl8169_free_tx_resources ( struct rtl8169_private *tp ) |
---|
| 1655 | { |
---|
| 1656 | DBGP ( "rtl8169_free_tx_resources\n" ); |
---|
| 1657 | |
---|
| 1658 | free_dma ( tp->tx_base, R8169_TX_RING_BYTES ); |
---|
| 1659 | } |
---|
| 1660 | |
---|
| 1661 | static void |
---|
| 1662 | rtl8169_populate_rx_descriptor ( struct rtl8169_private *tp, struct RxDesc *rx_desc, uint32_t index ) |
---|
| 1663 | { |
---|
| 1664 | DBGP ( "rtl8169_populate_rx_descriptor\n" ); |
---|
| 1665 | |
---|
| 1666 | DBG ( "Populating rx descriptor %d\n", index ); |
---|
| 1667 | |
---|
| 1668 | memset ( rx_desc, 0, sizeof ( *rx_desc ) ); |
---|
| 1669 | |
---|
| 1670 | rx_desc->addr_hi = 0; |
---|
| 1671 | rx_desc->addr_lo = virt_to_bus ( tp->rx_iobuf[index]->data ); |
---|
| 1672 | rx_desc->opts2 = 0; |
---|
| 1673 | rx_desc->opts1 = ( index == ( NUM_RX_DESC - 1 ) ? RingEnd : 0 ) | |
---|
| 1674 | RX_BUF_SIZE; |
---|
| 1675 | rx_desc->opts1 |= DescOwn; |
---|
| 1676 | } |
---|
| 1677 | |
---|
| 1678 | /** |
---|
| 1679 | * Refill descriptor ring |
---|
| 1680 | * |
---|
| 1681 | * @v netdev Net device |
---|
| 1682 | */ |
---|
| 1683 | static void rtl8169_refill_rx_ring ( struct rtl8169_private *tp ) |
---|
| 1684 | { |
---|
| 1685 | struct RxDesc *rx_curr_desc; |
---|
| 1686 | int i; |
---|
| 1687 | |
---|
| 1688 | DBGP ( "rtl8169_refill_rx_ring\n" ); |
---|
| 1689 | |
---|
| 1690 | for ( i = 0; i < NUM_RX_DESC; i++ ) { |
---|
| 1691 | |
---|
| 1692 | rx_curr_desc = ( tp->rx_base ) + i; |
---|
| 1693 | |
---|
| 1694 | /* Don't touch descriptors owned by the NIC */ |
---|
| 1695 | if ( rx_curr_desc->opts1 & DescOwn ) |
---|
| 1696 | continue; |
---|
| 1697 | |
---|
| 1698 | /* Don't touch descriptors with iobufs, they still need to be |
---|
| 1699 | processed by the poll routine */ |
---|
| 1700 | if ( tp->rx_iobuf[tp->rx_curr] != NULL ) |
---|
| 1701 | continue; |
---|
| 1702 | |
---|
| 1703 | /** If we can't get an iobuf for this descriptor |
---|
| 1704 | try again later (next poll). |
---|
| 1705 | */ |
---|
| 1706 | if ( ! ( tp->rx_iobuf[i] = alloc_iob ( RX_BUF_SIZE ) ) ) { |
---|
| 1707 | DBG ( "Refill rx ring failed!!\n" ); |
---|
| 1708 | break; |
---|
| 1709 | } |
---|
| 1710 | |
---|
| 1711 | rtl8169_populate_rx_descriptor ( tp, rx_curr_desc, i ); |
---|
| 1712 | } |
---|
| 1713 | } |
---|
| 1714 | |
---|
| 1715 | /** |
---|
| 1716 | * setup_rx_resources - allocate Rx resources (Descriptors) |
---|
| 1717 | * |
---|
| 1718 | * @v tp: Driver private structure |
---|
| 1719 | * |
---|
| 1720 | * @ret rc Returns 0 on success, negative on failure |
---|
| 1721 | * |
---|
| 1722 | **/ |
---|
| 1723 | static int |
---|
| 1724 | rtl8169_setup_rx_resources ( struct rtl8169_private *tp ) |
---|
| 1725 | { |
---|
| 1726 | DBGP ( "rtl8169_setup_rx_resources\n" ); |
---|
| 1727 | |
---|
| 1728 | tp->rx_base = malloc_dma ( R8169_RX_RING_BYTES, RX_RING_ALIGN ); |
---|
| 1729 | |
---|
| 1730 | DBG ( "tp->rx_base = %#08lx\n", virt_to_bus ( tp->rx_base ) ); |
---|
| 1731 | |
---|
| 1732 | if ( ! tp->rx_base ) { |
---|
| 1733 | return -ENOMEM; |
---|
| 1734 | } |
---|
| 1735 | memset ( tp->rx_base, 0, R8169_RX_RING_BYTES ); |
---|
| 1736 | |
---|
| 1737 | rtl8169_refill_rx_ring ( tp ); |
---|
| 1738 | |
---|
| 1739 | tp->rx_curr = 0; |
---|
| 1740 | |
---|
| 1741 | return 0; |
---|
| 1742 | } |
---|
| 1743 | |
---|
| 1744 | static void |
---|
| 1745 | rtl8169_process_rx_packets ( struct net_device *netdev ) |
---|
| 1746 | { |
---|
| 1747 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 1748 | uint32_t rx_status; |
---|
| 1749 | uint16_t rx_len; |
---|
| 1750 | struct RxDesc *rx_curr_desc; |
---|
| 1751 | int i; |
---|
| 1752 | |
---|
| 1753 | DBGP ( "rtl8169_process_rx_packets\n" ); |
---|
| 1754 | |
---|
| 1755 | for ( i = 0; i < NUM_RX_DESC; i++ ) { |
---|
| 1756 | |
---|
| 1757 | rx_curr_desc = tp->rx_base + tp->rx_curr; |
---|
| 1758 | |
---|
| 1759 | rx_status = rx_curr_desc->opts1; |
---|
| 1760 | |
---|
| 1761 | DBG2 ( "Before DescOwn check rx_status: %#08x\n", rx_status ); |
---|
| 1762 | |
---|
| 1763 | /* Hardware still owns the descriptor */ |
---|
| 1764 | if ( rx_status & DescOwn ) |
---|
| 1765 | break; |
---|
| 1766 | |
---|
| 1767 | /* We own the descriptor, but it has not been refilled yet */ |
---|
| 1768 | if ( tp->rx_iobuf[tp->rx_curr] == NULL ) |
---|
| 1769 | break; |
---|
| 1770 | |
---|
| 1771 | rx_len = rx_status & 0x3fff; |
---|
| 1772 | |
---|
| 1773 | DBG ( "Received packet.\n" ); |
---|
| 1774 | DBG ( "tp->rx_curr = %d\n", tp->rx_curr ); |
---|
| 1775 | DBG ( "rx_len = %d\n", rx_len ); |
---|
| 1776 | DBG ( "rx_status = %#08x\n", rx_status ); |
---|
| 1777 | DBG ( "rx_curr_desc = %#08lx\n", virt_to_bus ( rx_curr_desc ) ); |
---|
| 1778 | |
---|
| 1779 | if ( rx_status & RxRES ) { |
---|
| 1780 | |
---|
| 1781 | netdev_rx_err ( netdev, tp->rx_iobuf[tp->rx_curr], -EINVAL ); |
---|
| 1782 | |
---|
| 1783 | DBG ( "rtl8169_poll: Corrupted packet received!\n" |
---|
| 1784 | " rx_status: %#08x\n", rx_status ); |
---|
| 1785 | |
---|
| 1786 | } else { |
---|
| 1787 | |
---|
| 1788 | /* Adjust size of the iobuf to reflect received data */ |
---|
| 1789 | iob_put ( tp->rx_iobuf[tp->rx_curr], rx_len ); |
---|
| 1790 | |
---|
| 1791 | /* Add this packet to the receive queue. */ |
---|
| 1792 | netdev_rx ( netdev, tp->rx_iobuf[tp->rx_curr] ); |
---|
| 1793 | } |
---|
| 1794 | |
---|
| 1795 | /* Invalidate this iobuf and descriptor */ |
---|
| 1796 | tp->rx_iobuf[tp->rx_curr] = NULL; |
---|
| 1797 | memset ( rx_curr_desc, 0, sizeof ( *rx_curr_desc ) ); |
---|
| 1798 | |
---|
| 1799 | /* Update pointer to next available rx descriptor */ |
---|
| 1800 | tp->rx_curr = ( tp->rx_curr + 1 ) % NUM_RX_DESC; |
---|
| 1801 | } |
---|
| 1802 | rtl8169_refill_rx_ring ( tp ); |
---|
| 1803 | } |
---|
| 1804 | |
---|
| 1805 | static void |
---|
| 1806 | rtl8169_free_rx_resources ( struct rtl8169_private *tp ) |
---|
| 1807 | { |
---|
| 1808 | int i; |
---|
| 1809 | |
---|
| 1810 | DBGP ( "rtl8169_free_rx_resources\n" ); |
---|
| 1811 | |
---|
| 1812 | free_dma ( tp->rx_base, R8169_RX_RING_BYTES ); |
---|
| 1813 | |
---|
| 1814 | for ( i = 0; i < NUM_RX_DESC; i++ ) { |
---|
| 1815 | free_iob ( tp->rx_iobuf[i] ); |
---|
| 1816 | tp->rx_iobuf[i] = NULL; |
---|
| 1817 | } |
---|
| 1818 | } |
---|
| 1819 | |
---|
| 1820 | /** |
---|
| 1821 | FIXME: Because gPXE's pci_device_id structure does not contain a |
---|
| 1822 | field to contain arbitrary data, we need the following table to |
---|
| 1823 | associate PCI IDs with nic variants, because a lot of driver |
---|
| 1824 | routines depend on knowing which kind of variant they are dealing |
---|
| 1825 | with. --mdc |
---|
| 1826 | **/ |
---|
| 1827 | |
---|
| 1828 | #define _R(VENDOR,DEVICE,INDEX) \ |
---|
| 1829 | { .vendor = VENDOR, .device = DEVICE, .index = INDEX } |
---|
| 1830 | |
---|
| 1831 | static const struct { |
---|
| 1832 | uint16_t vendor; |
---|
| 1833 | uint16_t device; |
---|
| 1834 | int index; |
---|
| 1835 | } nic_variant_table[] = { |
---|
| 1836 | _R(0x10ec, 0x8129, RTL_CFG_0), |
---|
| 1837 | _R(0x10ec, 0x8136, RTL_CFG_2), |
---|
| 1838 | _R(0x10ec, 0x8167, RTL_CFG_0), |
---|
| 1839 | _R(0x10ec, 0x8168, RTL_CFG_1), |
---|
| 1840 | _R(0x10ec, 0x8169, RTL_CFG_0), |
---|
| 1841 | _R(0x1186, 0x4300, RTL_CFG_0), |
---|
| 1842 | _R(0x1259, 0xc107, RTL_CFG_0), |
---|
| 1843 | _R(0x16ec, 0x0116, RTL_CFG_0), |
---|
| 1844 | _R(0x1737, 0x1032, RTL_CFG_0), |
---|
| 1845 | _R(0x0001, 0x8168, RTL_CFG_2), |
---|
| 1846 | }; |
---|
| 1847 | #undef _R |
---|
| 1848 | |
---|
| 1849 | static int |
---|
| 1850 | rtl8169_get_nic_variant ( uint16_t vendor, uint16_t device ) |
---|
| 1851 | { |
---|
| 1852 | u32 i; |
---|
| 1853 | |
---|
| 1854 | DBGP ( "rtl8169_get_nic_variant\n" ); |
---|
| 1855 | |
---|
| 1856 | for (i = 0; i < ARRAY_SIZE(nic_variant_table); i++) { |
---|
| 1857 | if ( ( nic_variant_table[i].vendor == vendor ) && |
---|
| 1858 | ( nic_variant_table[i].device == device ) ) { |
---|
| 1859 | return ( nic_variant_table[i].index ); |
---|
| 1860 | } |
---|
| 1861 | } |
---|
| 1862 | DBG ( "No matching NIC variant found!\n" ); |
---|
| 1863 | return ( RTL_CFG_0 ); |
---|
| 1864 | } |
---|
| 1865 | |
---|
| 1866 | static void rtl8169_irq_enable ( struct rtl8169_private *tp ) |
---|
| 1867 | { |
---|
| 1868 | void *ioaddr = tp->mmio_addr; |
---|
| 1869 | |
---|
| 1870 | DBGP ( "rtl8169_irq_enable\n" ); |
---|
| 1871 | |
---|
| 1872 | RTL_W16 ( IntrMask, tp->intr_event ); |
---|
| 1873 | } |
---|
| 1874 | |
---|
| 1875 | static void rtl8169_irq_disable ( struct rtl8169_private *tp ) |
---|
| 1876 | { |
---|
| 1877 | void *ioaddr = tp->mmio_addr; |
---|
| 1878 | |
---|
| 1879 | DBGP ( "rtl8169_irq_disable\n" ); |
---|
| 1880 | |
---|
| 1881 | rtl8169_irq_mask_and_ack ( ioaddr ); |
---|
| 1882 | } |
---|
| 1883 | |
---|
| 1884 | /*** gPXE Core API Routines ***/ |
---|
| 1885 | |
---|
| 1886 | /** |
---|
| 1887 | * open - Called when a network interface is made active |
---|
| 1888 | * |
---|
| 1889 | * @v netdev network interface device structure |
---|
| 1890 | * @ret rc Return status code, 0 on success, negative value on failure |
---|
| 1891 | * |
---|
| 1892 | **/ |
---|
| 1893 | static int |
---|
| 1894 | rtl8169_open ( struct net_device *netdev ) |
---|
| 1895 | { |
---|
| 1896 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 1897 | void *ioaddr = tp->mmio_addr; |
---|
| 1898 | int rc; |
---|
| 1899 | |
---|
| 1900 | DBGP ( "rtl8169_open\n" ); |
---|
| 1901 | |
---|
| 1902 | /* allocate transmit descriptors */ |
---|
| 1903 | rc = rtl8169_setup_tx_resources ( tp ); |
---|
| 1904 | if ( rc ) { |
---|
| 1905 | DBG ( "Error setting up TX resources!\n" ); |
---|
| 1906 | goto err_setup_tx; |
---|
| 1907 | } |
---|
| 1908 | |
---|
| 1909 | /* allocate receive descriptors */ |
---|
| 1910 | rc = rtl8169_setup_rx_resources ( tp ); |
---|
| 1911 | if ( rc ) { |
---|
| 1912 | DBG ( "Error setting up RX resources!\n" ); |
---|
| 1913 | goto err_setup_rx; |
---|
| 1914 | } |
---|
| 1915 | |
---|
| 1916 | rtl_hw_start ( netdev ); |
---|
| 1917 | |
---|
| 1918 | DBG ( "TxDescStartAddrHigh = %#08lx\n", RTL_R32 ( TxDescStartAddrHigh ) ); |
---|
| 1919 | DBG ( "TxDescStartAddrLow = %#08lx\n", RTL_R32 ( TxDescStartAddrLow ) ); |
---|
| 1920 | DBG ( "RxDescAddrHigh = %#08lx\n", RTL_R32 ( RxDescAddrHigh ) ); |
---|
| 1921 | DBG ( "RxDescAddrLow = %#08lx\n", RTL_R32 ( RxDescAddrLow ) ); |
---|
| 1922 | |
---|
| 1923 | return 0; |
---|
| 1924 | |
---|
| 1925 | err_setup_rx: |
---|
| 1926 | rtl8169_free_tx_resources ( tp ); |
---|
| 1927 | err_setup_tx: |
---|
| 1928 | rtl8169_hw_reset ( ioaddr ); |
---|
| 1929 | |
---|
| 1930 | return rc; |
---|
| 1931 | } |
---|
| 1932 | |
---|
| 1933 | /** |
---|
| 1934 | * transmit - Transmit a packet |
---|
| 1935 | * |
---|
| 1936 | * @v netdev Network device |
---|
| 1937 | * @v iobuf I/O buffer |
---|
| 1938 | * |
---|
| 1939 | * @ret rc Returns 0 on success, negative on failure |
---|
| 1940 | */ |
---|
| 1941 | static int |
---|
| 1942 | rtl8169_transmit ( struct net_device *netdev, struct io_buffer *iobuf ) |
---|
| 1943 | { |
---|
| 1944 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 1945 | void *ioaddr = tp->mmio_addr; |
---|
| 1946 | uint32_t tx_len = iob_len ( iobuf ); |
---|
| 1947 | |
---|
| 1948 | struct TxDesc *tx_curr_desc; |
---|
| 1949 | |
---|
| 1950 | DBGP ("rtl8169_transmit\n"); |
---|
| 1951 | |
---|
| 1952 | if ( tp->tx_fill_ctr == NUM_TX_DESC ) { |
---|
| 1953 | DBG ("TX overflow\n"); |
---|
| 1954 | return -ENOBUFS; |
---|
| 1955 | } |
---|
| 1956 | |
---|
| 1957 | /** |
---|
| 1958 | * The rtl8169 family automatically pads short packets to a |
---|
| 1959 | * minimum size, but if it did not, like some older cards, |
---|
| 1960 | * we could do: |
---|
| 1961 | * iob_pad ( iobuf, ETH_ZLEN ); |
---|
| 1962 | */ |
---|
| 1963 | |
---|
| 1964 | /* Save pointer to this iobuf we have been given to transmit so |
---|
| 1965 | we can pass it to netdev_tx_complete() later */ |
---|
| 1966 | tp->tx_iobuf[tp->tx_curr] = iobuf; |
---|
| 1967 | |
---|
| 1968 | tx_curr_desc = tp->tx_base + tp->tx_curr; |
---|
| 1969 | |
---|
| 1970 | DBG ( "tp->tx_fill_ctr = %d\n", tp->tx_fill_ctr ); |
---|
| 1971 | DBG ( "tp->tx_curr = %d\n", tp->tx_curr ); |
---|
| 1972 | DBG ( "tx_curr_desc = %#08lx\n", virt_to_bus ( tx_curr_desc ) ); |
---|
| 1973 | DBG ( "iobuf->data = %#08lx\n", virt_to_bus ( iobuf->data ) ); |
---|
| 1974 | DBG ( "tx_len = %d\n", tx_len ); |
---|
| 1975 | |
---|
| 1976 | /* Configure current descriptor to transmit supplied packet */ |
---|
| 1977 | tx_curr_desc->addr_hi = 0; |
---|
| 1978 | tx_curr_desc->addr_lo = virt_to_bus ( iobuf->data ); |
---|
| 1979 | tx_curr_desc->opts2 = 0; |
---|
| 1980 | tx_curr_desc->opts1 = FirstFrag | LastFrag | |
---|
| 1981 | ( tp->tx_curr == ( NUM_TX_DESC - 1 ) ? RingEnd : 0 ) | |
---|
| 1982 | tx_len; |
---|
| 1983 | |
---|
| 1984 | /* Mark descriptor as owned by NIC */ |
---|
| 1985 | tx_curr_desc->opts1 |= DescOwn; |
---|
| 1986 | |
---|
| 1987 | DBG ( "tx_curr_desc->opts1 = %#08x\n", tx_curr_desc->opts1 ); |
---|
| 1988 | DBG ( "tx_curr_desc->opts2 = %#08x\n", tx_curr_desc->opts2 ); |
---|
| 1989 | DBG ( "tx_curr_desc->addr_hi = %#08x\n", tx_curr_desc->addr_hi ); |
---|
| 1990 | DBG ( "tx_curr_desc->addr_lo = %#08x\n", tx_curr_desc->addr_lo ); |
---|
| 1991 | |
---|
| 1992 | RTL_W8 ( TxPoll, NPQ ); /* set polling bit */ |
---|
| 1993 | |
---|
| 1994 | /* Point to next free descriptor */ |
---|
| 1995 | tp->tx_curr = ( tp->tx_curr + 1 ) % NUM_TX_DESC; |
---|
| 1996 | |
---|
| 1997 | /* Increment number of tx descriptors in use */ |
---|
| 1998 | tp->tx_fill_ctr++; |
---|
| 1999 | |
---|
| 2000 | return 0; |
---|
| 2001 | } |
---|
| 2002 | |
---|
| 2003 | /** |
---|
| 2004 | * poll - Poll for received packets |
---|
| 2005 | * |
---|
| 2006 | * @v netdev Network device |
---|
| 2007 | */ |
---|
| 2008 | static void |
---|
| 2009 | rtl8169_poll ( struct net_device *netdev ) |
---|
| 2010 | { |
---|
| 2011 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 2012 | void *ioaddr = tp->mmio_addr; |
---|
| 2013 | |
---|
| 2014 | uint16_t intr_status; |
---|
| 2015 | uint16_t intr_mask; |
---|
| 2016 | |
---|
| 2017 | DBGP ( "rtl8169_poll\n" ); |
---|
| 2018 | |
---|
| 2019 | intr_status = RTL_R16 ( IntrStatus ); |
---|
| 2020 | intr_mask = RTL_R16 ( IntrMask ); |
---|
| 2021 | |
---|
| 2022 | DBG2 ( "rtl8169_poll (before): intr_mask = %#04x intr_status = %#04x\n", |
---|
| 2023 | intr_mask, intr_status ); |
---|
| 2024 | |
---|
| 2025 | RTL_W16 ( IntrStatus, 0xffff ); |
---|
| 2026 | |
---|
| 2027 | /* hotplug / major error / no more work / shared irq */ |
---|
| 2028 | if ( intr_status == 0xffff ) |
---|
| 2029 | return; |
---|
| 2030 | |
---|
| 2031 | /* Process transmitted packets */ |
---|
| 2032 | rtl8169_process_tx_packets ( netdev ); |
---|
| 2033 | |
---|
| 2034 | /* Process received packets */ |
---|
| 2035 | rtl8169_process_rx_packets ( netdev ); |
---|
| 2036 | } |
---|
| 2037 | |
---|
| 2038 | /** |
---|
| 2039 | * close - Disable network interface |
---|
| 2040 | * |
---|
| 2041 | * @v netdev network interface device structure |
---|
| 2042 | * |
---|
| 2043 | **/ |
---|
| 2044 | static void |
---|
| 2045 | rtl8169_close ( struct net_device *netdev ) |
---|
| 2046 | { |
---|
| 2047 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 2048 | void *ioaddr = tp->mmio_addr; |
---|
| 2049 | |
---|
| 2050 | DBGP ( "r8169_close\n" ); |
---|
| 2051 | |
---|
| 2052 | rtl8169_hw_reset ( ioaddr ); |
---|
| 2053 | |
---|
| 2054 | rtl8169_free_tx_resources ( tp ); |
---|
| 2055 | rtl8169_free_rx_resources ( tp ); |
---|
| 2056 | } |
---|
| 2057 | |
---|
| 2058 | /** |
---|
| 2059 | * irq - enable or Disable interrupts |
---|
| 2060 | * |
---|
| 2061 | * @v netdev network adapter |
---|
| 2062 | * @v action requested interrupt action |
---|
| 2063 | * |
---|
| 2064 | **/ |
---|
| 2065 | static void |
---|
| 2066 | rtl8169_irq ( struct net_device *netdev, int action ) |
---|
| 2067 | { |
---|
| 2068 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 2069 | |
---|
| 2070 | DBGP ( "rtl8169_irq\n" ); |
---|
| 2071 | |
---|
| 2072 | switch ( action ) { |
---|
| 2073 | case 0 : |
---|
| 2074 | rtl8169_irq_disable ( tp ); |
---|
| 2075 | break; |
---|
| 2076 | default : |
---|
| 2077 | rtl8169_irq_enable ( tp ); |
---|
| 2078 | break; |
---|
| 2079 | } |
---|
| 2080 | } |
---|
| 2081 | |
---|
| 2082 | static struct net_device_operations rtl8169_operations = { |
---|
| 2083 | .open = rtl8169_open, |
---|
| 2084 | .transmit = rtl8169_transmit, |
---|
| 2085 | .poll = rtl8169_poll, |
---|
| 2086 | .close = rtl8169_close, |
---|
| 2087 | .irq = rtl8169_irq, |
---|
| 2088 | }; |
---|
| 2089 | |
---|
| 2090 | /** |
---|
| 2091 | * probe - Initial configuration of NIC |
---|
| 2092 | * |
---|
| 2093 | * @v pci PCI device |
---|
| 2094 | * @v id PCI IDs |
---|
| 2095 | * |
---|
| 2096 | * @ret rc Return status code |
---|
| 2097 | **/ |
---|
| 2098 | static int |
---|
| 2099 | rtl8169_probe ( struct pci_device *pdev, const struct pci_device_id *ent ) |
---|
| 2100 | { |
---|
| 2101 | int i, rc; |
---|
| 2102 | struct net_device *netdev; |
---|
| 2103 | struct rtl8169_private *tp; |
---|
| 2104 | void *ioaddr; |
---|
| 2105 | |
---|
| 2106 | /** FIXME: This lookup is necessary because gPXE does not have a "data" |
---|
| 2107 | element in the structure pci_device_id which can pass an arbitrary |
---|
| 2108 | piece of data to the driver. It might be useful to add it. Then we |
---|
| 2109 | could just use ent->data instead of having to look up cfg_index. |
---|
| 2110 | **/ |
---|
| 2111 | int cfg_index = rtl8169_get_nic_variant ( ent->vendor, ent->device ); |
---|
| 2112 | const struct rtl_cfg_info *cfg = rtl_cfg_infos + cfg_index; |
---|
| 2113 | |
---|
| 2114 | DBGP ( "rtl8169_probe\n" ); |
---|
| 2115 | |
---|
| 2116 | DBG ( "ent->vendor = %#04x, ent->device = %#04x\n", ent->vendor, ent->device ); |
---|
| 2117 | |
---|
| 2118 | DBG ( "cfg_index = %d\n", cfg_index ); |
---|
| 2119 | DBG ( "cfg->intr_event = %#04x\n", cfg->intr_event ); |
---|
| 2120 | |
---|
| 2121 | rc = -ENOMEM; |
---|
| 2122 | |
---|
| 2123 | /* Allocate net device ( also allocates memory for netdev->priv |
---|
| 2124 | and makes netdev-priv point to it ) |
---|
| 2125 | */ |
---|
| 2126 | netdev = alloc_etherdev ( sizeof ( *tp ) ); |
---|
| 2127 | |
---|
| 2128 | if ( ! netdev ) |
---|
| 2129 | goto err_alloc_etherdev; |
---|
| 2130 | |
---|
| 2131 | /* Associate driver-specific network operations with |
---|
| 2132 | generic network device layer |
---|
| 2133 | */ |
---|
| 2134 | netdev_init ( netdev, &rtl8169_operations ); |
---|
| 2135 | |
---|
| 2136 | /* Associate this network device with the given PCI device */ |
---|
| 2137 | pci_set_drvdata ( pdev, netdev ); |
---|
| 2138 | netdev->dev = &pdev->dev; |
---|
| 2139 | |
---|
| 2140 | /* Initialize driver private storage */ |
---|
| 2141 | tp = netdev_priv ( netdev ); |
---|
| 2142 | memset ( tp, 0, ( sizeof ( *tp ) ) ); |
---|
| 2143 | |
---|
| 2144 | tp->pci_dev = pdev; |
---|
| 2145 | tp->irqno = pdev->irq; |
---|
| 2146 | tp->netdev = netdev; |
---|
| 2147 | tp->cfg_index = cfg_index; |
---|
| 2148 | tp->intr_event = cfg->intr_event; |
---|
| 2149 | tp->cp_cmd = PCIMulRW; |
---|
| 2150 | |
---|
| 2151 | tp->hw_start = cfg->hw_start; |
---|
| 2152 | |
---|
| 2153 | rc = -EIO; |
---|
| 2154 | |
---|
| 2155 | adjust_pci_device ( pdev ); |
---|
| 2156 | |
---|
| 2157 | /* ioremap MMIO region */ |
---|
| 2158 | ioaddr = ioremap ( pdev->membase, R8169_REGS_SIZE ); |
---|
| 2159 | |
---|
| 2160 | if ( ! ioaddr ) { |
---|
| 2161 | DBG ( "cannot remap MMIO\n" ); |
---|
| 2162 | rc = -EIO; |
---|
| 2163 | goto err_ioremap; |
---|
| 2164 | } |
---|
| 2165 | |
---|
| 2166 | tp->mmio_addr = ioaddr; |
---|
| 2167 | |
---|
| 2168 | tp->pcie_cap = pci_find_capability ( pdev, PCI_CAP_ID_EXP ); |
---|
| 2169 | if ( tp->pcie_cap ) { |
---|
| 2170 | DBG ( "PCI Express capability\n" ); |
---|
| 2171 | } else { |
---|
| 2172 | DBG ( "No PCI Express capability\n" ); |
---|
| 2173 | } |
---|
| 2174 | |
---|
| 2175 | /* Mask interrupts just in case */ |
---|
| 2176 | rtl8169_irq_mask_and_ack ( ioaddr ); |
---|
| 2177 | |
---|
| 2178 | /* Soft reset NIC */ |
---|
| 2179 | rtl_soft_reset ( netdev ); |
---|
| 2180 | |
---|
| 2181 | /* Identify chip attached to board */ |
---|
| 2182 | rtl8169_get_mac_version ( tp, ioaddr ); |
---|
| 2183 | |
---|
| 2184 | for ( i = 0; (u32) i < ARRAY_SIZE ( rtl_chip_info ); i++ ) { |
---|
| 2185 | if ( tp->mac_version == rtl_chip_info[i].mac_version ) |
---|
| 2186 | break; |
---|
| 2187 | } |
---|
| 2188 | if ( i == ARRAY_SIZE(rtl_chip_info ) ) { |
---|
| 2189 | /* Unknown chip: assume array element #0, original RTL-8169 */ |
---|
| 2190 | DBG ( "Unknown chip version, assuming %s\n", rtl_chip_info[0].name ); |
---|
| 2191 | i = 0; |
---|
| 2192 | } |
---|
| 2193 | tp->chipset = i; |
---|
| 2194 | |
---|
| 2195 | if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) && |
---|
| 2196 | (RTL_R8(PHYstatus) & TBI_Enable)) { |
---|
| 2197 | tp->set_speed = rtl8169_set_speed_tbi; |
---|
| 2198 | tp->phy_reset_enable = rtl8169_tbi_reset_enable; |
---|
| 2199 | tp->phy_reset_pending = rtl8169_tbi_reset_pending; |
---|
| 2200 | tp->link_ok = rtl8169_tbi_link_ok; |
---|
| 2201 | |
---|
| 2202 | tp->phy_1000_ctrl_reg = ADVERTISE_1000FULL; /* Implied by TBI */ |
---|
| 2203 | } else { |
---|
| 2204 | tp->set_speed = rtl8169_set_speed_xmii; |
---|
| 2205 | tp->phy_reset_enable = rtl8169_xmii_reset_enable; |
---|
| 2206 | tp->phy_reset_pending = rtl8169_xmii_reset_pending; |
---|
| 2207 | tp->link_ok = rtl8169_xmii_link_ok; |
---|
| 2208 | } |
---|
| 2209 | |
---|
| 2210 | /* Get MAC address */ |
---|
| 2211 | for ( i = 0; i < MAC_ADDR_LEN; i++ ) |
---|
| 2212 | netdev->hw_addr[i] = RTL_R8 ( MAC0 + i ); |
---|
| 2213 | |
---|
| 2214 | DBG ( "%s\n", eth_ntoa ( netdev->hw_addr ) ); |
---|
| 2215 | |
---|
| 2216 | rtl8169_init_phy ( netdev, tp ); |
---|
| 2217 | |
---|
| 2218 | if ( ( rc = register_netdev ( netdev ) ) != 0 ) |
---|
| 2219 | goto err_register; |
---|
| 2220 | |
---|
| 2221 | /* Mark as link up; we don't yet handle link state */ |
---|
| 2222 | netdev_link_up ( netdev ); |
---|
| 2223 | |
---|
| 2224 | DBG ( "rtl8169_probe succeeded!\n" ); |
---|
| 2225 | |
---|
| 2226 | /* No errors, return success */ |
---|
| 2227 | return 0; |
---|
| 2228 | |
---|
| 2229 | /* Error return paths */ |
---|
| 2230 | err_register: |
---|
| 2231 | err_ioremap: |
---|
| 2232 | netdev_put ( netdev ); |
---|
| 2233 | err_alloc_etherdev: |
---|
| 2234 | return rc; |
---|
| 2235 | } |
---|
| 2236 | |
---|
| 2237 | /** |
---|
| 2238 | * remove - Device Removal Routine |
---|
| 2239 | * |
---|
| 2240 | * @v pdev PCI device information struct |
---|
| 2241 | * |
---|
| 2242 | **/ |
---|
| 2243 | static void |
---|
| 2244 | rtl8169_remove ( struct pci_device *pdev ) |
---|
| 2245 | { |
---|
| 2246 | struct net_device *netdev = pci_get_drvdata ( pdev ); |
---|
| 2247 | struct rtl8169_private *tp = netdev_priv ( netdev ); |
---|
| 2248 | void *ioaddr = tp->mmio_addr; |
---|
| 2249 | |
---|
| 2250 | DBGP ( "rtl8169_remove\n" ); |
---|
| 2251 | |
---|
| 2252 | rtl8169_hw_reset ( ioaddr ); |
---|
| 2253 | |
---|
| 2254 | unregister_netdev ( netdev ); |
---|
| 2255 | netdev_nullify ( netdev ); |
---|
| 2256 | netdev_put ( netdev ); |
---|
| 2257 | } |
---|
| 2258 | |
---|
| 2259 | static struct pci_device_id rtl8169_nics[] = { |
---|
| 2260 | PCI_ROM(0x10ec, 0x8129, "rtl8169-0x8129", "rtl8169-0x8129", 0), |
---|
| 2261 | PCI_ROM(0x10ec, 0x8136, "rtl8169-0x8136", "rtl8169-0x8136", 0), |
---|
| 2262 | PCI_ROM(0x10ec, 0x8167, "rtl8169-0x8167", "rtl8169-0x8167", 0), |
---|
| 2263 | PCI_ROM(0x10ec, 0x8168, "rtl8169-0x8168", "rtl8169-0x8168", 0), |
---|
| 2264 | PCI_ROM(0x10ec, 0x8169, "rtl8169-0x8169", "rtl8169-0x8169", 0), |
---|
| 2265 | PCI_ROM(0x1186, 0x4300, "rtl8169-0x4300", "rtl8169-0x4300", 0), |
---|
| 2266 | PCI_ROM(0x1259, 0xc107, "rtl8169-0xc107", "rtl8169-0xc107", 0), |
---|
| 2267 | PCI_ROM(0x16ec, 0x0116, "rtl8169-0x0116", "rtl8169-0x0116", 0), |
---|
| 2268 | PCI_ROM(0x1737, 0x1032, "rtl8169-0x1032", "rtl8169-0x1032", 0), |
---|
| 2269 | PCI_ROM(0x0001, 0x8168, "rtl8169-0x8168", "rtl8169-0x8168", 0), |
---|
| 2270 | }; |
---|
| 2271 | |
---|
| 2272 | struct pci_driver rtl8169_driver __pci_driver = { |
---|
| 2273 | .ids = rtl8169_nics, |
---|
| 2274 | .id_count = ( sizeof ( rtl8169_nics ) / sizeof ( rtl8169_nics[0] ) ), |
---|
| 2275 | .probe = rtl8169_probe, |
---|
| 2276 | .remove = rtl8169_remove, |
---|
| 2277 | }; |
---|
| 2278 | |
---|
| 2279 | /* |
---|
| 2280 | * Local variables: |
---|
| 2281 | * c-basic-offset: 8 |
---|
| 2282 | * c-indent-level: 8 |
---|
| 2283 | * tab-width: 8 |
---|
| 2284 | * End: |
---|
| 2285 | */ |
---|