[e16e8f2] | 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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