1 | #ifndef __SIS190_H__ |
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2 | #define __SIS190_H__ |
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3 | |
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4 | FILE_LICENCE ( GPL_ANY ); |
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5 | |
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6 | #include <stdint.h> |
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7 | #include <stdio.h> |
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8 | #include <stdlib.h> |
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9 | #include <stddef.h> |
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10 | #include <string.h> |
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11 | #include <unistd.h> |
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12 | #include <assert.h> |
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13 | #include <byteswap.h> |
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14 | #include <errno.h> |
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15 | #include <mii.h> |
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16 | #include <gpxe/ethernet.h> |
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17 | #include <gpxe/if_ether.h> |
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18 | #include <gpxe/io.h> |
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19 | #include <gpxe/iobuf.h> |
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20 | #include <gpxe/malloc.h> |
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21 | #include <gpxe/netdevice.h> |
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22 | #include <gpxe/pci.h> |
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23 | #include <gpxe/timer.h> |
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24 | |
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25 | #define PCI_VENDOR_ID_SI 0x1039 |
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26 | |
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27 | #define PHY_MAX_ADDR 32 |
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28 | #define PHY_ID_ANY 0x1f |
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29 | #define MII_REG_ANY 0x1f |
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30 | |
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31 | #define DRV_VERSION "1.3" |
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32 | #define DRV_NAME "sis190" |
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33 | #define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION |
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34 | #define PFX DRV_NAME ": " |
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35 | |
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36 | #define sis190_rx_quota(count, quota) count |
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37 | |
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38 | #define NUM_TX_DESC 8 /* [8..1024] */ |
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39 | #define NUM_RX_DESC 8 /* [8..8192] */ |
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40 | #define TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc)) |
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41 | #define RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc)) |
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42 | #define RX_BUF_SIZE 1536 |
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43 | #define RX_BUF_MASK 0xfff8 |
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44 | |
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45 | #define RING_ALIGNMENT 256 |
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46 | |
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47 | #define SIS190_REGS_SIZE 0x80 |
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48 | |
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49 | /* Enhanced PHY access register bit definitions */ |
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50 | #define EhnMIIread 0x0000 |
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51 | #define EhnMIIwrite 0x0020 |
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52 | #define EhnMIIdataShift 16 |
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53 | #define EhnMIIpmdShift 6 /* 7016 only */ |
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54 | #define EhnMIIregShift 11 |
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55 | #define EhnMIIreq 0x0010 |
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56 | #define EhnMIInotDone 0x0010 |
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57 | |
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58 | /* Write/read MMIO register */ |
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59 | #define SIS_W8(reg, val) writeb ((val), ioaddr + (reg)) |
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60 | #define SIS_W16(reg, val) writew ((val), ioaddr + (reg)) |
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61 | #define SIS_W32(reg, val) writel ((val), ioaddr + (reg)) |
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62 | #define SIS_R8(reg) readb (ioaddr + (reg)) |
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63 | #define SIS_R16(reg) readw (ioaddr + (reg)) |
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64 | #define SIS_R32(reg) readl (ioaddr + (reg)) |
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65 | |
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66 | #define SIS_PCI_COMMIT() SIS_R32(IntrControl) |
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67 | |
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68 | enum sis190_registers { |
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69 | TxControl = 0x00, |
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70 | TxDescStartAddr = 0x04, |
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71 | rsv0 = 0x08, // reserved |
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72 | TxSts = 0x0c, // unused (Control/Status) |
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73 | RxControl = 0x10, |
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74 | RxDescStartAddr = 0x14, |
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75 | rsv1 = 0x18, // reserved |
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76 | RxSts = 0x1c, // unused |
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77 | IntrStatus = 0x20, |
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78 | IntrMask = 0x24, |
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79 | IntrControl = 0x28, |
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80 | IntrTimer = 0x2c, // unused (Interupt Timer) |
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81 | PMControl = 0x30, // unused (Power Mgmt Control/Status) |
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82 | rsv2 = 0x34, // reserved |
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83 | ROMControl = 0x38, |
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84 | ROMInterface = 0x3c, |
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85 | StationControl = 0x40, |
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86 | GMIIControl = 0x44, |
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87 | GIoCR = 0x48, // unused (GMAC IO Compensation) |
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88 | GIoCtrl = 0x4c, // unused (GMAC IO Control) |
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89 | TxMacControl = 0x50, |
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90 | TxLimit = 0x54, // unused (Tx MAC Timer/TryLimit) |
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91 | RGDelay = 0x58, // unused (RGMII Tx Internal Delay) |
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92 | rsv3 = 0x5c, // reserved |
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93 | RxMacControl = 0x60, |
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94 | RxMacAddr = 0x62, |
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95 | RxHashTable = 0x68, |
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96 | // Undocumented = 0x6c, |
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97 | RxWolCtrl = 0x70, |
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98 | RxWolData = 0x74, // unused (Rx WOL Data Access) |
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99 | RxMPSControl = 0x78, // unused (Rx MPS Control) |
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100 | rsv4 = 0x7c, // reserved |
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101 | }; |
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102 | |
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103 | enum sis190_register_content { |
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104 | /* IntrStatus */ |
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105 | SoftInt = 0x40000000, // unused |
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106 | Timeup = 0x20000000, // unused |
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107 | PauseFrame = 0x00080000, // unused |
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108 | MagicPacket = 0x00040000, // unused |
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109 | WakeupFrame = 0x00020000, // unused |
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110 | LinkChange = 0x00010000, |
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111 | RxQEmpty = 0x00000080, |
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112 | RxQInt = 0x00000040, |
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113 | TxQ1Empty = 0x00000020, // unused |
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114 | TxQ1Int = 0x00000010, |
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115 | TxQ0Empty = 0x00000008, // unused |
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116 | TxQ0Int = 0x00000004, |
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117 | RxHalt = 0x00000002, |
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118 | TxHalt = 0x00000001, |
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119 | |
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120 | /* {Rx/Tx}CmdBits */ |
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121 | CmdReset = 0x10, |
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122 | CmdRxEnb = 0x08, // unused |
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123 | CmdTxEnb = 0x01, |
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124 | RxBufEmpty = 0x01, // unused |
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125 | |
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126 | /* Cfg9346Bits */ |
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127 | Cfg9346_Lock = 0x00, // unused |
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128 | Cfg9346_Unlock = 0xc0, // unused |
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129 | |
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130 | /* RxMacControl */ |
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131 | AcceptErr = 0x20, // unused |
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132 | AcceptRunt = 0x10, // unused |
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133 | AcceptBroadcast = 0x0800, |
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134 | AcceptMulticast = 0x0400, |
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135 | AcceptMyPhys = 0x0200, |
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136 | AcceptAllPhys = 0x0100, |
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137 | |
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138 | /* RxConfigBits */ |
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139 | RxCfgFIFOShift = 13, |
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140 | RxCfgDMAShift = 8, // 0x1a in RxControl ? |
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141 | |
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142 | /* TxConfigBits */ |
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143 | TxInterFrameGapShift = 24, |
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144 | TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ |
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145 | |
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146 | LinkStatus = 0x02, // unused |
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147 | FullDup = 0x01, // unused |
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148 | |
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149 | /* TBICSRBit */ |
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150 | TBILinkOK = 0x02000000, // unused |
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151 | }; |
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152 | |
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153 | struct TxDesc { |
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154 | volatile u32 PSize; |
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155 | volatile u32 status; |
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156 | volatile u32 addr; |
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157 | volatile u32 size; |
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158 | }; |
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159 | |
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160 | struct RxDesc { |
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161 | volatile u32 PSize; |
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162 | volatile u32 status; |
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163 | volatile u32 addr; |
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164 | volatile u32 size; |
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165 | }; |
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166 | |
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167 | enum _DescStatusBit { |
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168 | /* _Desc.status */ |
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169 | OWNbit = 0x80000000, // RXOWN/TXOWN |
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170 | INTbit = 0x40000000, // RXINT/TXINT |
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171 | CRCbit = 0x00020000, // CRCOFF/CRCEN |
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172 | PADbit = 0x00010000, // PREADD/PADEN |
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173 | /* _Desc.size */ |
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174 | RingEnd = 0x80000000, |
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175 | /* TxDesc.status */ |
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176 | LSEN = 0x08000000, // TSO ? -- FR |
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177 | IPCS = 0x04000000, |
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178 | TCPCS = 0x02000000, |
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179 | UDPCS = 0x01000000, |
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180 | BSTEN = 0x00800000, |
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181 | EXTEN = 0x00400000, |
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182 | DEFEN = 0x00200000, |
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183 | BKFEN = 0x00100000, |
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184 | CRSEN = 0x00080000, |
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185 | COLEN = 0x00040000, |
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186 | THOL3 = 0x30000000, |
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187 | THOL2 = 0x20000000, |
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188 | THOL1 = 0x10000000, |
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189 | THOL0 = 0x00000000, |
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190 | |
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191 | WND = 0x00080000, |
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192 | TABRT = 0x00040000, |
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193 | FIFO = 0x00020000, |
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194 | LINK = 0x00010000, |
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195 | ColCountMask = 0x0000ffff, |
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196 | /* RxDesc.status */ |
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197 | IPON = 0x20000000, |
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198 | TCPON = 0x10000000, |
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199 | UDPON = 0x08000000, |
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200 | Wakup = 0x00400000, |
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201 | Magic = 0x00200000, |
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202 | Pause = 0x00100000, |
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203 | DEFbit = 0x00200000, |
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204 | BCAST = 0x000c0000, |
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205 | MCAST = 0x00080000, |
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206 | UCAST = 0x00040000, |
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207 | /* RxDesc.PSize */ |
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208 | TAGON = 0x80000000, |
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209 | RxDescCountMask = 0x7f000000, // multi-desc pkt when > 1 ? -- FR |
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210 | ABORT = 0x00800000, |
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211 | SHORT = 0x00400000, |
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212 | LIMIT = 0x00200000, |
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213 | MIIER = 0x00100000, |
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214 | OVRUN = 0x00080000, |
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215 | NIBON = 0x00040000, |
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216 | COLON = 0x00020000, |
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217 | CRCOK = 0x00010000, |
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218 | RxSizeMask = 0x0000ffff |
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219 | /* |
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220 | * The asic could apparently do vlan, TSO, jumbo (sis191 only) and |
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221 | * provide two (unused with Linux) Tx queues. No publically |
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222 | * available documentation alas. |
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223 | */ |
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224 | }; |
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225 | |
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226 | enum sis190_eeprom_access_register_bits { |
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227 | EECS = 0x00000001, // unused |
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228 | EECLK = 0x00000002, // unused |
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229 | EEDO = 0x00000008, // unused |
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230 | EEDI = 0x00000004, // unused |
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231 | EEREQ = 0x00000080, |
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232 | EEROP = 0x00000200, |
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233 | EEWOP = 0x00000100 // unused |
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234 | }; |
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235 | |
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236 | /* EEPROM Addresses */ |
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237 | enum sis190_eeprom_address { |
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238 | EEPROMSignature = 0x00, |
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239 | EEPROMCLK = 0x01, // unused |
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240 | EEPROMInfo = 0x02, |
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241 | EEPROMMACAddr = 0x03 |
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242 | }; |
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243 | |
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244 | enum sis190_feature { |
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245 | F_HAS_RGMII = 1, |
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246 | F_PHY_88E1111 = 2, |
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247 | F_PHY_BCM5461 = 4 |
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248 | }; |
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249 | |
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250 | struct sis190_private { |
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251 | void *mmio_addr; |
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252 | struct pci_device *pci_device; |
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253 | struct net_device *dev; |
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254 | u32 cur_rx; |
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255 | u32 cur_tx; |
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256 | u32 dirty_rx; |
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257 | u32 dirty_tx; |
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258 | u32 rx_dma; |
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259 | u32 tx_dma; |
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260 | struct RxDesc *RxDescRing; |
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261 | struct TxDesc *TxDescRing; |
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262 | struct io_buffer *Rx_iobuf[NUM_RX_DESC]; |
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263 | struct io_buffer *Tx_iobuf[NUM_TX_DESC]; |
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264 | struct mii_if_info mii_if; |
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265 | struct list_head first_phy; |
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266 | u32 features; |
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267 | }; |
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268 | |
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269 | struct sis190_phy { |
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270 | struct list_head list; |
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271 | int phy_id; |
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272 | u16 id[2]; |
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273 | u16 status; |
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274 | u8 type; |
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275 | }; |
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276 | |
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277 | enum sis190_phy_type { |
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278 | UNKNOWN = 0x00, |
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279 | HOME = 0x01, |
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280 | LAN = 0x02, |
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281 | MIX = 0x03 |
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282 | }; |
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283 | |
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284 | static struct mii_chip_info { |
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285 | const char *name; |
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286 | u16 id[2]; |
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287 | unsigned int type; |
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288 | u32 feature; |
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289 | } mii_chip_table[] = { |
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290 | { "Atheros PHY", { 0x004d, 0xd010 }, LAN, 0 }, |
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291 | { "Atheros PHY AR8012", { 0x004d, 0xd020 }, LAN, 0 }, |
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292 | { "Broadcom PHY BCM5461", { 0x0020, 0x60c0 }, LAN, F_PHY_BCM5461 }, |
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293 | { "Broadcom PHY AC131", { 0x0143, 0xbc70 }, LAN, 0 }, |
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294 | { "Agere PHY ET1101B", { 0x0282, 0xf010 }, LAN, 0 }, |
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295 | { "Marvell PHY 88E1111", { 0x0141, 0x0cc0 }, LAN, F_PHY_88E1111 }, |
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296 | { "Realtek PHY RTL8201", { 0x0000, 0x8200 }, LAN, 0 }, |
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297 | { NULL, { 0x00, 0x00 }, 0, 0 } |
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298 | }; |
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299 | |
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300 | static const struct { |
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301 | const char *name; |
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302 | } sis_chip_info[] = { |
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303 | { "SiS 190 PCI Fast Ethernet adapter" }, |
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304 | { "SiS 191 PCI Gigabit Ethernet adapter" }, |
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305 | }; |
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306 | |
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307 | static void sis190_phy_task(struct sis190_private *tp); |
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308 | static void sis190_free(struct net_device *dev); |
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309 | static inline void sis190_init_rxfilter(struct net_device *dev); |
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310 | |
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311 | #endif |
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