1205 lines
34 KiB
PHP
1205 lines
34 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; RTL8169.INC ;;
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;; ;;
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;; Ethernet driver for Menuet OS ;;
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;; ;;
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;; Version 0.1 11 February 2007 ;;
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;; ;;
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;; Driver for chips of RealTek 8169 family ;;
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;; References: ;;
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;; r8169.c - linux driver (etherboot project) ;;
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;; ethernet driver template by Mike Hibbett ;;
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;; ;;
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;; The copyright statement is ;;
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;; ;;
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;; GNU GENERAL PUBLIC LICENSE ;;
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;; Version 2, June 1991 ;;
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;; ;;
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;; Copyright 2007 mike.dld, ;;
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;; mike.dld@gmail.com ;;
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;; ;;
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;; See file COPYING for details ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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ETH_ALEN equ 6
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ETH_HLEN equ (2 * ETH_ALEN + 2)
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ETH_ZLEN equ 60 ; 60 + 4bytes auto payload for
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; mininmum 64bytes frame length
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RTL8169_REG_MAC0 equ 0x0 ; Ethernet hardware address
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RTL8169_REG_MAR0 equ 0x8 ; Multicast filter
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RTL8169_REG_TxDescStartAddr equ 0x20
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RTL8169_REG_TxHDescStartAddr equ 0x28
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RTL8169_REG_FLASH equ 0x30
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RTL8169_REG_ERSR equ 0x36
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RTL8169_REG_ChipCmd equ 0x37
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RTL8169_REG_TxPoll equ 0x38
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RTL8169_REG_IntrMask equ 0x3C
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RTL8169_REG_IntrStatus equ 0x3E
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RTL8169_REG_TxConfig equ 0x40
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RTL8169_REG_RxConfig equ 0x44
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RTL8169_REG_RxMissed equ 0x4C
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RTL8169_REG_Cfg9346 equ 0x50
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RTL8169_REG_Config0 equ 0x51
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RTL8169_REG_Config1 equ 0x52
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RTL8169_REG_Config2 equ 0x53
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RTL8169_REG_Config3 equ 0x54
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RTL8169_REG_Config4 equ 0x55
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RTL8169_REG_Config5 equ 0x56
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RTL8169_REG_MultiIntr equ 0x5C
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RTL8169_REG_PHYAR equ 0x60
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RTL8169_REG_TBICSR equ 0x64
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RTL8169_REG_TBI_ANAR equ 0x68
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RTL8169_REG_TBI_LPAR equ 0x6A
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RTL8169_REG_PHYstatus equ 0x6C
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RTL8169_REG_RxMaxSize equ 0xDA
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RTL8169_REG_CPlusCmd equ 0xE0
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RTL8169_REG_RxDescStartAddr equ 0xE4
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RTL8169_REG_ETThReg equ 0xEC
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RTL8169_REG_FuncEvent equ 0xF0
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RTL8169_REG_FuncEventMask equ 0xF4
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RTL8169_REG_FuncPresetState equ 0xF8
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RTL8169_REG_FuncForceEvent equ 0xFC
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; InterruptStatusBits
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RTL8169_ISB_SYSErr equ 0x8000
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RTL8169_ISB_PCSTimeout equ 0x4000
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RTL8169_ISB_SWInt equ 0x0100
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RTL8169_ISB_TxDescUnavail equ 0x80
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RTL8169_ISB_RxFIFOOver equ 0x40
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RTL8169_ISB_LinkChg equ 0x20
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RTL8169_ISB_RxOverflow equ 0x10
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RTL8169_ISB_TxErr equ 0x08
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RTL8169_ISB_TxOK equ 0x04
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RTL8169_ISB_RxErr equ 0x02
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RTL8169_ISB_RxOK equ 0x01
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; RxStatusDesc
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RTL8169_SD_RxRES equ 0x00200000
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RTL8169_SD_RxCRC equ 0x00080000
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RTL8169_SD_RxRUNT equ 0x00100000
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RTL8169_SD_RxRWT equ 0x00400000
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; ChipCmdBits
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RTL8169_CMD_Reset equ 0x10
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RTL8169_CMD_RxEnb equ 0x08
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RTL8169_CMD_TxEnb equ 0x04
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RTL8169_CMD_RxBufEmpty equ 0x01
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; Cfg9346Bits
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RTL8169_CFG_9346_Lock equ 0x00
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RTL8169_CFG_9346_Unlock equ 0xC0
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; rx_mode_bits
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RTL8169_RXM_AcceptErr equ 0x20
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RTL8169_RXM_AcceptRunt equ 0x10
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RTL8169_RXM_AcceptBroadcast equ 0x08
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RTL8169_RXM_AcceptMulticast equ 0x04
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RTL8169_RXM_AcceptMyPhys equ 0x02
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RTL8169_RXM_AcceptAllPhys equ 0x01
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; RxConfigBits
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RTL8169_RXC_FIFOShift equ 13
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RTL8169_RXC_DMAShift equ 8
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; TxConfigBits
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RTL8169_TXC_InterFrameGapShift equ 24
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RTL8169_TXC_DMAShift equ 8 ; DMA burst value (0-7) is shift this many bits
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; rtl8169_PHYstatus
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RTL8169_PHYS_TBI_Enable equ 0x80
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RTL8169_PHYS_TxFlowCtrl equ 0x40
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RTL8169_PHYS_RxFlowCtrl equ 0x20
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RTL8169_PHYS_1000bpsF equ 0x10
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RTL8169_PHYS_100bps equ 0x08
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RTL8169_PHYS_10bps equ 0x04
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RTL8169_PHYS_LinkStatus equ 0x02
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RTL8169_PHYS_FullDup equ 0x01
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; GIGABIT_PHY_registers
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RTL8169_PHY_CTRL_REG equ 0
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RTL8169_PHY_STAT_REG equ 1
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RTL8169_PHY_AUTO_NEGO_REG equ 4
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RTL8169_PHY_1000_CTRL_REG equ 9
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; GIGABIT_PHY_REG_BIT
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RTL8169_PHY_Restart_Auto_Nego equ 0x0200
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RTL8169_PHY_Enable_Auto_Nego equ 0x1000
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; PHY_STAT_REG = 1;
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RTL8169_PHY_Auto_Neco_Comp equ 0x0020
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; PHY_AUTO_NEGO_REG = 4;
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RTL8169_PHY_Cap_10_Half equ 0x0020
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RTL8169_PHY_Cap_10_Full equ 0x0040
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RTL8169_PHY_Cap_100_Half equ 0x0080
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RTL8169_PHY_Cap_100_Full equ 0x0100
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; PHY_1000_CTRL_REG = 9;
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RTL8169_PHY_Cap_1000_Full equ 0x0200
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RTL8169_PHY_Cap_1000_Half equ 0x0100
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RTL8169_PHY_Cap_PAUSE equ 0x0400
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RTL8169_PHY_Cap_ASYM_PAUSE equ 0x0800
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RTL8169_PHY_Cap_Null equ 0x0
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; _MediaType
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RTL8169_MT_10_Half equ 0x01
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RTL8169_MT_10_Full equ 0x02
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RTL8169_MT_100_Half equ 0x04
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RTL8169_MT_100_Full equ 0x08
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RTL8169_MT_1000_Full equ 0x10
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; _TBICSRBit
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RTL8169_TBI_LinkOK equ 0x02000000
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; _DescStatusBit
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RTL8169_DSB_OWNbit equ 0x80000000
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RTL8169_DSB_EORbit equ 0x40000000
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RTL8169_DSB_FSbit equ 0x20000000
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RTL8169_DSB_LSbit equ 0x10000000
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; MAC address length
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MAC_ADDR_LEN equ 6
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; max supported gigabit ethernet frame size -- must be at least (dev->mtu+14+4)
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MAX_ETH_FRAME_SIZE equ 1536
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TX_FIFO_THRESH equ 256 ; In bytes
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RX_FIFO_THRESH equ 7 ; 7 means NO threshold, Rx buffer level before first PCI xfer
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RX_DMA_BURST equ 7 ; Maximum PCI burst, '6' is 1024
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TX_DMA_BURST equ 7 ; Maximum PCI burst, '6' is 1024
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ETTh equ 0x3F ; 0x3F means NO threshold
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EarlyTxThld equ 0x3F ; 0x3F means NO early transmit
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RxPacketMaxSize equ 0x0800 ; Maximum size supported is 16K-1
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InterFrameGap equ 0x03 ; 3 means InterFrameGap = the shortest one
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NUM_TX_DESC equ 1 ; Number of Tx descriptor registers
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NUM_RX_DESC equ 4 ; Number of Rx descriptor registers
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RX_BUF_SIZE equ 1536 ; Rx Buffer size
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HZ equ 1000
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RTL_MIN_IO_SIZE equ 0x80
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TX_TIMEOUT equ (6*HZ)
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RTL8169_TIMER_EXPIRE_TIME equ 100
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ETH_HDR_LEN equ 14
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DEFAULT_MTU equ 1500
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DEFAULT_RX_BUF_LEN equ 1536
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;#ifdef RTL8169_JUMBO_FRAME_SUPPORT
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;#define MAX_JUMBO_FRAME_MTU ( 10000 )
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;#define MAX_RX_SKBDATA_SIZE ( MAX_JUMBO_FRAME_MTU + ETH_HDR_LEN )
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;#else
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MAX_RX_SKBDATA_SIZE equ 1600
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;#endif //end #ifdef RTL8169_JUMBO_FRAME_SUPPORT
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;#ifdef RTL8169_USE_IO
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;!!!#define RTL_W8(reg, val8) outb ((val8), ioaddr + (reg))
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macro RTL_W8 reg,val8 {
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if ~reg eq dx
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mov dx,word[rtl8169_tpc.mmio_addr]
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add dx,reg
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end if
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if ~val8 eq al
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mov al,val8
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end if
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out dx,al
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}
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;!!!#define RTL_W16(reg, val16) outw ((val16), ioaddr + (reg))
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macro RTL_W16 reg,val16 {
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if ~reg eq dx
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mov dx,word[rtl8169_tpc.mmio_addr]
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add dx,reg
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end if
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if ~val16 eq ax
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mov ax,val16
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end if
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out dx,ax
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}
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;!!!#define RTL_W32(reg, val32) outl ((val32), ioaddr + (reg))
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macro RTL_W32 reg,val32 {
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if ~reg eq dx
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mov dx,word[rtl8169_tpc.mmio_addr]
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add dx,reg
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end if
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if ~val32 eq eax
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mov eax,val32
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end if
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out dx,eax
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}
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;!!!#define RTL_R8(reg) inb (ioaddr + (reg))
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macro RTL_R8 reg {
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if ~reg eq dx
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mov dx,word[rtl8169_tpc.mmio_addr]
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add dx,reg
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end if
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in al,dx
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}
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;!!!#define RTL_R16(reg) inw (ioaddr + (reg))
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macro RTL_R16 reg {
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if ~reg eq dx
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mov dx,word[rtl8169_tpc.mmio_addr]
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add dx,reg
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end if
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in ax,dx
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}
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;!!!#define RTL_R32(reg) ((unsigned long) inl (ioaddr + (reg)))
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macro RTL_R32 reg {
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if ~reg eq dx
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mov dx,word[rtl8169_tpc.mmio_addr]
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add dx,reg
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end if
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in eax,dx
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}
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;#else
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; write/read MMIO register
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;#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
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;#define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
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;#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
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;#define RTL_R8(reg) readb (ioaddr + (reg))
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;#define RTL_R16(reg) readw (ioaddr + (reg))
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;#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
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;#endif
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MCFG_METHOD_01 equ 0x01
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MCFG_METHOD_02 equ 0x02
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MCFG_METHOD_03 equ 0x03
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MCFG_METHOD_04 equ 0x04
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MCFG_METHOD_05 equ 0x05
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MCFG_METHOD_11 equ 0x0b
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MCFG_METHOD_12 equ 0x0c
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MCFG_METHOD_13 equ 0x0d
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MCFG_METHOD_14 equ 0x0e
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MCFG_METHOD_15 equ 0x0f
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PCFG_METHOD_1 equ 0x01 ; PHY Reg 0x03 bit0-3 == 0x0000
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PCFG_METHOD_2 equ 0x02 ; PHY Reg 0x03 bit0-3 == 0x0001
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PCFG_METHOD_3 equ 0x03 ; PHY Reg 0x03 bit0-3 == 0x0002
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PCI_COMMAND_IO equ 0x1 ; Enable response in I/O space
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PCI_COMMAND_MEM equ 0x2 ; Enable response in mem space
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PCI_COMMAND_MASTER equ 0x4 ; Enable bus mastering
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PCI_LATENCY_TIMER equ 0x0d ; 8 bits
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PCI_COMMAND_SPECIAL equ 0x8 ; Enable response to special cycles
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PCI_COMMAND_INVALIDATE equ 0x10 ; Use memory write and invalidate
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PCI_COMMAND_VGA_PALETTE equ 0x20 ; Enable palette snooping
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PCI_COMMAND_PARITY equ 0x40 ; Enable parity checking
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PCI_COMMAND_WAIT equ 0x80 ; Enable address/data stepping
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PCI_COMMAND_SERR equ 0x100 ; Enable SERR
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PCI_COMMAND_FAST_BACK equ 0x200 ; Enable back-to-back writes
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struc rtl8169_TxDesc {
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.status dd ?
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.vlan_tag dd ?
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.buf_addr dd ?
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.buf_Haddr dd ?
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}
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virtual at 0
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rtl8169_TxDesc rtl8169_TxDesc
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sizeof.rtl8169_TxDesc = $ - rtl8169_TxDesc
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end virtual
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struc rtl8169_RxDesc {
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.status dd ?
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.vlan_tag dd ?
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.buf_addr dd ?
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.buf_Haddr dd ?
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}
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virtual at 0
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rtl8169_RxDesc rtl8169_RxDesc
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sizeof.rtl8169_RxDesc = $ - rtl8169_RxDesc
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end virtual
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virtual at eth_data_start
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; Define the TX Descriptor
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align 256
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rtl8169_tx_ring rb NUM_TX_DESC * sizeof.rtl8169_TxDesc
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; Create a static buffer of size RX_BUF_SZ for each
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; TX Descriptor. All descriptors point to a
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; part of this buffer
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align 256
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rtl8169_txb rb NUM_TX_DESC * RX_BUF_SIZE
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; Define the RX Descriptor
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align 256
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rtl8169_rx_ring rb NUM_RX_DESC * sizeof.rtl8169_TxDesc
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; Create a static buffer of size RX_BUF_SZ for each
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; RX Descriptor All descriptors point to a
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; part of this buffer
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align 256
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rtl8169_rxb rb NUM_RX_DESC * RX_BUF_SIZE
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rtl8169_tpc:
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.mmio_addr dd ? ; memory map physical address
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.chipset dd ?
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.pcfg dd ?
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.mcfg dd ?
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.cur_rx dd ? ; Index into the Rx descriptor buffer of next Rx pkt
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.cur_tx dd ? ; Index into the Tx descriptor buffer of next Rx pkt
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.TxDescArrays dd ? ; Index of Tx Descriptor buffer
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.RxDescArrays dd ? ; Index of Rx Descriptor buffer
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.TxDescArray dd ? ; Index of 256-alignment Tx Descriptor buffer
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.RxDescArray dd ? ; Index of 256-alignment Rx Descriptor buffer
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.RxBufferRing rd NUM_RX_DESC ; Index of Rx Buffer array
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.Tx_skbuff rd NUM_TX_DESC
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end virtual
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rtl8169_intr_mask = RTL8169_ISB_LinkChg or RTL8169_ISB_RxOverflow or RTL8169_ISB_RxFIFOOver or RTL8169_ISB_TxErr or RTL8169_ISB_TxOK or RTL8169_ISB_RxErr or RTL8169_ISB_RxOK
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rtl8169_rx_config = (RX_FIFO_THRESH shl RTL8169_RXC_FIFOShift) or (RX_DMA_BURST shl RTL8169_RXC_DMAShift) or 0x0000000E
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iglobal
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;static struct {
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; const char *name;
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; u8 mcfg; /* depend on RTL8169 docs */
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; u32 RxConfigMask; /* should clear the bits supported by this chip */
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;}
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rtl_chip_info dd \
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MCFG_METHOD_01, 0xff7e1880, \ ; RTL8169
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MCFG_METHOD_02, 0xff7e1880, \ ; RTL8169s/8110s
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MCFG_METHOD_03, 0xff7e1880, \ ; RTL8169s/8110s
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MCFG_METHOD_04, 0xff7e1880, \ ; RTL8169sb/8110sb
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MCFG_METHOD_05, 0xff7e1880, \ ; RTL8169sc/8110sc
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MCFG_METHOD_11, 0xff7e1880, \ ; RTL8168b/8111b // PCI-E
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MCFG_METHOD_12, 0xff7e1880, \ ; RTL8168b/8111b // PCI-E
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MCFG_METHOD_13, 0xff7e1880, \ ; RTL8101e // PCI-E 8139
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MCFG_METHOD_14, 0xff7e1880, \ ; RTL8100e // PCI-E 8139
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MCFG_METHOD_15, 0xff7e1880 ; RTL8100e // PCI-E 8139
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mac_info dd \
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0x38800000, MCFG_METHOD_15, \
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0x38000000, MCFG_METHOD_12, \
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0x34000000, MCFG_METHOD_13, \
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0x30800000, MCFG_METHOD_14, \
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0x30000000, MCFG_METHOD_11, \
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0x18000000, MCFG_METHOD_05, \
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0x10000000, MCFG_METHOD_04, \
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0x04000000, MCFG_METHOD_03, \
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0x00800000, MCFG_METHOD_02, \
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0x00000000, MCFG_METHOD_01 ; catch-all
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endg
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PCI_COMMAND_IO equ 0x1 ; Enable response in I/O space
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PCI_COMMAND_MEM equ 0x2 ; Enable response in mem space
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PCI_COMMAND_MASTER equ 0x4 ; Enable bus mastering
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PCI_LATENCY_TIMER equ 0x0d ; 8 bits
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PCI_COMMAND_SPECIAL equ 0x8 ; Enable response to special cycles
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PCI_COMMAND_INVALIDATE equ 0x10 ; Use memory write and invalidate
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PCI_COMMAND_VGA_PALETTE equ 0x20 ; Enable palette snooping
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PCI_COMMAND_PARITY equ 0x40 ; Enable parity checking
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PCI_COMMAND_WAIT equ 0x80 ; Enable address/data stepping
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PCI_COMMAND_SERR equ 0x100 ; Enable SERR
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PCI_COMMAND_FAST_BACK equ 0x200 ; Enable back-to-back writes
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PCI_VENDOR_ID equ 0x00 ; 16 bits
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PCI_DEVICE_ID equ 0x02 ; 16 bits
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PCI_COMMAND equ 0x04 ; 16 bits
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PCI_BASE_ADDRESS_0 equ 0x10 ; 32 bits
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PCI_BASE_ADDRESS_1 equ 0x14 ; 32 bits
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PCI_BASE_ADDRESS_2 equ 0x18 ; 32 bits
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PCI_BASE_ADDRESS_3 equ 0x1c ; 32 bits
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PCI_BASE_ADDRESS_4 equ 0x20 ; 32 bits
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PCI_BASE_ADDRESS_5 equ 0x24 ; 32 bits
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PCI_BASE_ADDRESS_MEM_TYPE_MASK equ 0x06
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PCI_BASE_ADDRESS_MEM_TYPE_32 equ 0x00 ; 32 bit address
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PCI_BASE_ADDRESS_MEM_TYPE_1M equ 0x02 ; Below 1M [obsolete]
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PCI_BASE_ADDRESS_MEM_TYPE_64 equ 0x04 ; 64 bit address
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PCI_BASE_ADDRESS_IO_MASK equ (not 0x03)
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PCI_BASE_ADDRESS_MEM_MASK equ (not 0x0f)
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PCI_BASE_ADDRESS_SPACE_IO equ 0x01
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PCI_ROM_ADDRESS equ 0x30 ; 32 bits
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proc CONFIG_CMD,where:byte
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movzx eax,byte[pci_bus]
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shl eax,8
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mov al,[pci_dev]
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shl eax,8
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mov al,[where]
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and al,not 3
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or eax,0x80000000
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ret
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endp
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proc pci_read_config_byte,where:dword
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|
push edx
|
|
stdcall CONFIG_CMD,[where]
|
|
mov dx,0xCF8
|
|
out dx,eax
|
|
mov edx,[where]
|
|
and edx,3
|
|
add edx,0xCFC
|
|
in al,dx
|
|
pop edx
|
|
ret
|
|
endp
|
|
|
|
proc pci_read_config_word,where:dword
|
|
push edx
|
|
stdcall CONFIG_CMD,[where]
|
|
mov dx,0xCF8
|
|
out dx,eax
|
|
mov edx,[where]
|
|
and edx,2
|
|
add edx,0xCFC
|
|
in ax,dx
|
|
pop edx
|
|
ret
|
|
endp
|
|
|
|
proc pci_read_config_dword,where:dword
|
|
push edx
|
|
stdcall CONFIG_CMD,[where]
|
|
mov edx,0xCF8
|
|
out dx,eax
|
|
mov edx,0xCFC
|
|
in eax,dx
|
|
pop edx
|
|
ret
|
|
endp
|
|
|
|
proc pci_write_config_byte,where:dword,value:byte
|
|
push edx
|
|
stdcall CONFIG_CMD,[where]
|
|
mov dx,0xCF8
|
|
out dx,eax
|
|
mov edx,[where]
|
|
and edx,3
|
|
add edx,0xCFC
|
|
mov al,[value]
|
|
out dx,al
|
|
pop edx
|
|
ret
|
|
endp
|
|
|
|
proc pci_write_config_word,where:dword,value:word
|
|
push edx
|
|
stdcall CONFIG_CMD,[where]
|
|
mov dx,0xCF8
|
|
out dx,eax
|
|
mov edx,[where]
|
|
and edx,2
|
|
add edx,0xCFC
|
|
mov ax,[value]
|
|
out dx,ax
|
|
pop edx
|
|
ret
|
|
endp
|
|
|
|
proc pci_write_config_dword,where:dword,value:dword
|
|
push edx
|
|
stdcall CONFIG_CMD,[where]
|
|
mov edx,0xCF8
|
|
out dx,eax
|
|
mov edx,0xCFC
|
|
mov eax,[value]
|
|
out dx,eax
|
|
pop edx
|
|
ret
|
|
endp
|
|
|
|
; Set device to be a busmaster in case BIOS neglected to do so.
|
|
; Also adjust PCI latency timer to a reasonable value, 32.
|
|
proc adjust_pci_device
|
|
|
|
DEBUGF 1,"K : adjust_pci_device\n"
|
|
|
|
stdcall pci_read_config_word,PCI_COMMAND
|
|
mov bx,ax
|
|
or bx,PCI_COMMAND_MASTER or PCI_COMMAND_IO
|
|
cmp ax,bx
|
|
je @f
|
|
DEBUGF 1,"K : adjust_pci_device: The PCI BIOS has not enabled this device!\nK : Updating PCI command %x->%x. pci_bus %x pci_device_fn %x\n",ax,bx,[pci_bus]:2,[pci_dev]:2
|
|
stdcall pci_write_config_word,PCI_COMMAND,ebx
|
|
@@:
|
|
stdcall pci_read_config_byte,PCI_LATENCY_TIMER
|
|
cmp al,32
|
|
jae @f
|
|
DEBUGF 1,"K : adjust_pci_device: PCI latency timer (CFLT) is unreasonably low at %d.\nK : Setting to 32 clocks.\n",al
|
|
stdcall pci_write_config_byte,PCI_LATENCY_TIMER,32
|
|
@@:
|
|
ret
|
|
endp
|
|
|
|
; Find the start of a pci resource
|
|
proc pci_bar_start,index:dword
|
|
stdcall pci_read_config_dword,[index]
|
|
test eax,PCI_BASE_ADDRESS_SPACE_IO
|
|
jz @f
|
|
and eax,PCI_BASE_ADDRESS_IO_MASK
|
|
jmp .exit
|
|
@@: push eax
|
|
and eax,PCI_BASE_ADDRESS_MEM_TYPE_MASK
|
|
cmp eax,PCI_BASE_ADDRESS_MEM_TYPE_64
|
|
jne .not64
|
|
mov eax,[index]
|
|
add eax,4
|
|
stdcall pci_read_config_dword,eax
|
|
or eax,eax
|
|
jz .not64
|
|
DEBUGF 1,"K : pci_bar_start: Unhandled 64bit BAR\n"
|
|
add esp,4
|
|
or eax,-1
|
|
ret
|
|
.not64:
|
|
pop eax
|
|
and eax,PCI_BASE_ADDRESS_MEM_MASK
|
|
.exit:
|
|
ret
|
|
endp
|
|
|
|
proc rtl8169_init_board
|
|
|
|
DEBUGF 1,"K : rtl8169_init_board\n"
|
|
|
|
call adjust_pci_device
|
|
|
|
stdcall pci_bar_start,PCI_BASE_ADDRESS_0
|
|
mov [rtl8169_tpc.mmio_addr],eax
|
|
; Soft reset the chip
|
|
RTL_W8 RTL8169_REG_ChipCmd,RTL8169_CMD_Reset
|
|
|
|
; Check that the chip has finished the reset
|
|
mov ecx,1000
|
|
@@: RTL_R8 RTL8169_REG_ChipCmd
|
|
test al,RTL8169_CMD_Reset
|
|
jz @f
|
|
stdcall udelay,10
|
|
loop @b
|
|
@@:
|
|
; identify config method
|
|
RTL_R32 RTL8169_REG_TxConfig
|
|
and eax,0x7c800000
|
|
DEBUGF 1,"K : rtl8169_init_board: TxConfig & 0x7c800000 = 0x%x\n",eax
|
|
mov esi,mac_info-8
|
|
@@: add esi,8
|
|
mov ecx,eax
|
|
and ecx,[esi]
|
|
cmp ecx,[esi]
|
|
jne @b
|
|
mov eax,[esi+4]
|
|
mov [rtl8169_tpc.mcfg],eax
|
|
|
|
mov [rtl8169_tpc.pcfg],PCFG_METHOD_3
|
|
stdcall RTL8169_READ_GMII_REG,3
|
|
and al,0x0f
|
|
or al,al
|
|
jnz @f
|
|
mov [rtl8169_tpc.pcfg],PCFG_METHOD_1
|
|
jmp .pconf
|
|
@@: dec al
|
|
jnz .pconf
|
|
mov [rtl8169_tpc.pcfg],PCFG_METHOD_2
|
|
.pconf:
|
|
|
|
; identify chip attached to board
|
|
mov ecx,10
|
|
mov eax,[rtl8169_tpc.mcfg]
|
|
@@: dec ecx
|
|
js @f
|
|
cmp eax,[rtl_chip_info+ecx*8]
|
|
jne @b
|
|
mov [rtl8169_tpc.chipset],ecx
|
|
jmp .match
|
|
@@:
|
|
; if unknown chip, assume array element #0, original RTL-8169 in this case
|
|
DEBUGF 1,"K : rtl8169_init_board: PCI device: unknown chip version, assuming RTL-8169\n"
|
|
RTL_R32 RTL8169_REG_TxConfig
|
|
DEBUGF 1,"K : rtl8169_init_board: PCI device: TxConfig = 0x%x\n",eax
|
|
|
|
mov [rtl8169_tpc.chipset],0
|
|
|
|
xor eax,eax
|
|
inc eax
|
|
ret
|
|
|
|
.match:
|
|
xor eax,eax
|
|
ret
|
|
endp
|
|
|
|
proc rtl8169_hw_PHY_config
|
|
|
|
DEBUGF 1,"K : rtl8169_hw_PHY_config: priv.mcfg=%d, priv.pcfg=%d\n",[rtl8169_tpc.mcfg],[rtl8169_tpc.pcfg]
|
|
|
|
; DBG_PRINT("priv->mcfg=%d, priv->pcfg=%d\n", tpc->mcfg, tpc->pcfg);
|
|
|
|
cmp [rtl8169_tpc.mcfg],MCFG_METHOD_04
|
|
jne .not_4
|
|
; stdcall RTL8169_WRITE_GMII_REG,0x1F,0x0001
|
|
; stdcall RTL8169_WRITE_GMII_REG,0x1b,0x841e
|
|
; stdcall RTL8169_WRITE_GMII_REG,0x0e,0x7bfb
|
|
; stdcall RTL8169_WRITE_GMII_REG,0x09,0x273a
|
|
stdcall RTL8169_WRITE_GMII_REG,0x1F,0x0002
|
|
stdcall RTL8169_WRITE_GMII_REG,0x01,0x90D0
|
|
stdcall RTL8169_WRITE_GMII_REG,0x1F,0x0000
|
|
jmp .exit
|
|
.not_4:
|
|
cmp [rtl8169_tpc.mcfg],MCFG_METHOD_02
|
|
je @f
|
|
cmp [rtl8169_tpc.mcfg],MCFG_METHOD_03
|
|
jne .not_2_or_3
|
|
@@: stdcall RTL8169_WRITE_GMII_REG,0x1F,0x0001
|
|
stdcall RTL8169_WRITE_GMII_REG,0x15,0x1000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x18,0x65C7
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0x0000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x03,0x00A1
|
|
stdcall RTL8169_WRITE_GMII_REG,0x02,0x0008
|
|
stdcall RTL8169_WRITE_GMII_REG,0x01,0x1020
|
|
stdcall RTL8169_WRITE_GMII_REG,0x00,0x1000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0x0800
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0x0000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0x7000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x03,0xFF41
|
|
stdcall RTL8169_WRITE_GMII_REG,0x02,0xDE60
|
|
stdcall RTL8169_WRITE_GMII_REG,0x01,0x0140
|
|
stdcall RTL8169_WRITE_GMII_REG,0x00,0x0077
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0x7800
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0x7000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xA000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x03,0xDF01
|
|
stdcall RTL8169_WRITE_GMII_REG,0x02,0xDF20
|
|
stdcall RTL8169_WRITE_GMII_REG,0x01,0xFF95
|
|
stdcall RTL8169_WRITE_GMII_REG,0x00,0xFA00
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xA800
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xA000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xB000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x03,0xFF41
|
|
stdcall RTL8169_WRITE_GMII_REG,0x02,0xDE20
|
|
stdcall RTL8169_WRITE_GMII_REG,0x01,0x0140
|
|
stdcall RTL8169_WRITE_GMII_REG,0x00,0x00BB
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xB800
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xB000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xF000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x03,0xDF01
|
|
stdcall RTL8169_WRITE_GMII_REG,0x02,0xDF20
|
|
stdcall RTL8169_WRITE_GMII_REG,0x01,0xFF95
|
|
stdcall RTL8169_WRITE_GMII_REG,0x00,0xBF00
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xF800
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0xF000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x04,0x0000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x1F,0x0000
|
|
stdcall RTL8169_WRITE_GMII_REG,0x0B,0x0000
|
|
jmp .exit
|
|
.not_2_or_3:
|
|
; DBG_PRINT("tpc->mcfg=%d. Discard hw PHY config.\n", tpc->mcfg);
|
|
DEBUGF 1,"K : tpc.mcfg=%d, discard hw PHY config\n",[rtl8169_tpc.mcfg]
|
|
.exit:
|
|
ret
|
|
endp
|
|
|
|
;proc pci_write_config_byte
|
|
; ret
|
|
;endp
|
|
|
|
proc RTL8169_WRITE_GMII_REG,RegAddr:byte,value:dword
|
|
|
|
DEBUGF 1,"K : RTL8169_WRITE_GMII_REG: 0x%x 0x%x\n",[RegAddr]:2,[value]
|
|
|
|
movzx eax,[RegAddr]
|
|
shl eax,16
|
|
or eax,[value]
|
|
or eax,0x80000000
|
|
RTL_W32 RTL8169_REG_PHYAR,eax
|
|
stdcall udelay,1000
|
|
|
|
mov ecx,2000
|
|
; Check if the RTL8169 has completed writing to the specified MII register
|
|
@@: RTL_R32 RTL8169_REG_PHYAR
|
|
test eax,0x80000000
|
|
jz .exit
|
|
stdcall udelay,100
|
|
loop @b
|
|
.exit:
|
|
ret
|
|
endp
|
|
|
|
proc RTL8169_READ_GMII_REG,RegAddr:byte
|
|
|
|
DEBUGF 1,"K : RTL8169_READ_GMII_REG: 0x%x\n",[RegAddr]:2
|
|
|
|
push ecx
|
|
movzx eax,[RegAddr]
|
|
shl eax,16
|
|
; or eax,0x0
|
|
RTL_W32 RTL8169_REG_PHYAR,eax
|
|
stdcall udelay,1000
|
|
|
|
mov ecx,2000
|
|
; Check if the RTL8169 has completed retrieving data from the specified MII register
|
|
@@: RTL_R32 RTL8169_REG_PHYAR
|
|
test eax,0x80000000
|
|
jnz .exit
|
|
stdcall udelay,100
|
|
loop @b
|
|
|
|
or eax,-1
|
|
pop ecx
|
|
ret
|
|
.exit:
|
|
RTL_R32 RTL8169_REG_PHYAR
|
|
and eax,0xFFFF
|
|
pop ecx
|
|
ret
|
|
endp
|
|
|
|
proc rtl8169_set_rx_mode
|
|
|
|
DEBUGF 1,"K : rtl8169_set_rx_mode\n"
|
|
|
|
; IFF_ALLMULTI
|
|
; Too many to filter perfectly -- accept all multicasts
|
|
RTL_R32 RTL8169_REG_RxConfig
|
|
mov ecx,[rtl8169_tpc.chipset]
|
|
and eax,[rtl_chip_info + ecx * 8 + 4] ; RxConfigMask
|
|
or eax,rtl8169_rx_config or (RTL8169_RXM_AcceptBroadcast or RTL8169_RXM_AcceptMulticast or RTL8169_RXM_AcceptMyPhys)
|
|
RTL_W32 RTL8169_REG_RxConfig,eax
|
|
|
|
; Multicast hash filter
|
|
RTL_W32 RTL8169_REG_MAR0 + 0,0xffffffff
|
|
RTL_W32 RTL8169_REG_MAR0 + 4,0xffffffff
|
|
ret
|
|
endp
|
|
|
|
proc rtl8169_init_ring
|
|
|
|
DEBUGF 1,"K : rtl8169_init_ring\n"
|
|
|
|
xor eax,eax
|
|
mov [rtl8169_tpc.cur_rx],eax
|
|
mov [rtl8169_tpc.cur_tx],eax
|
|
|
|
mov edi,[rtl8169_tpc.TxDescArray]
|
|
mov ecx,(NUM_TX_DESC * sizeof.rtl8169_TxDesc) / 4
|
|
cld
|
|
rep stosd
|
|
mov edi,[rtl8169_tpc.RxDescArray]
|
|
mov ecx,(NUM_RX_DESC * sizeof.rtl8169_RxDesc) / 4
|
|
rep stosd
|
|
|
|
mov edi,rtl8169_tpc.Tx_skbuff
|
|
mov eax,rtl8169_txb
|
|
mov ecx,NUM_TX_DESC
|
|
@@: stosd
|
|
inc eax ; add eax,RX_BUF_SIZE ???
|
|
loop @b
|
|
|
|
;!!! for (i = 0; i < NUM_RX_DESC; i++) {
|
|
;!!! if (i == (NUM_RX_DESC - 1))
|
|
;!!! tpc->RxDescArray[i].status = (OWNbit | EORbit) | RX_BUF_SIZE;
|
|
;!!! else
|
|
;!!! tpc->RxDescArray[i].status = OWNbit | RX_BUF_SIZE;
|
|
;!!! tpc->RxBufferRing[i] = &rxb[i * RX_BUF_SIZE];
|
|
;!!! tpc->RxDescArray[i].buf_addr = virt_to_bus(tpc->RxBufferRing[i]);
|
|
;!!! }
|
|
mov esi,rtl8169_tpc.RxBufferRing
|
|
mov edi,[rtl8169_tpc.RxDescArray]
|
|
mov eax,rtl8169_rxb
|
|
mov ecx,NUM_RX_DESC
|
|
@@: mov [esi],eax
|
|
mov [edi+rtl8169_RxDesc.buf_addr],eax
|
|
mov [edi+rtl8169_RxDesc.status],RTL8169_DSB_OWNbit or RX_BUF_SIZE
|
|
add esi,4
|
|
add edi,sizeof.rtl8169_RxDesc
|
|
add eax,RX_BUF_SIZE
|
|
loop @b
|
|
|
|
or [edi - sizeof.rtl8169_RxDesc + rtl8169_RxDesc.status],RTL8169_DSB_EORbit
|
|
|
|
ret
|
|
endp
|
|
|
|
proc rtl8169_hw_start
|
|
|
|
DEBUGF 1,"K : rtl8169_hw_start\n"
|
|
|
|
; Soft reset the chip
|
|
RTL_W8 RTL8169_REG_ChipCmd,RTL8169_CMD_Reset
|
|
; Check that the chip has finished the reset
|
|
mov ecx,1000
|
|
@@: RTL_R8 RTL8169_REG_ChipCmd
|
|
and al,RTL8169_CMD_Reset
|
|
jz @f
|
|
stdcall udelay,10
|
|
loop @b
|
|
@@:
|
|
RTL_W8 RTL8169_REG_Cfg9346,RTL8169_CFG_9346_Unlock
|
|
RTL_W8 RTL8169_REG_ChipCmd,RTL8169_CMD_TxEnb or RTL8169_CMD_RxEnb
|
|
RTL_W8 RTL8169_REG_ETThReg,ETTh
|
|
; For gigabit rtl8169
|
|
RTL_W16 RTL8169_REG_RxMaxSize,RxPacketMaxSize
|
|
; Set Rx Config register
|
|
RTL_R32 RTL8169_REG_RxConfig
|
|
mov ecx,[rtl8169_tpc.chipset]
|
|
and eax,[rtl_chip_info + ecx * 8 + 4] ; RxConfigMask
|
|
or eax,rtl8169_rx_config
|
|
RTL_W32 RTL8169_REG_RxConfig,eax
|
|
; Set DMA burst size and Interframe Gap Time
|
|
RTL_W32 RTL8169_REG_TxConfig,(TX_DMA_BURST shl RTL8169_TXC_DMAShift) or (InterFrameGap shl RTL8169_TXC_InterFrameGapShift)
|
|
RTL_R16 RTL8169_REG_CPlusCmd
|
|
RTL_W16 RTL8169_REG_CPlusCmd,ax
|
|
|
|
RTL_R16 RTL8169_REG_CPlusCmd
|
|
or ax,1 shl 3
|
|
cmp [rtl8169_tpc.mcfg],MCFG_METHOD_02
|
|
jne @f
|
|
cmp [rtl8169_tpc.mcfg],MCFG_METHOD_03
|
|
jne @f
|
|
or ax,1 shl 14
|
|
; DEBUGF 1,"K : Set MAC Reg C+CR Offset 0xE0: bit-3 and bit-14\n"
|
|
jmp .set
|
|
@@:;DEBUGF 1,"K : Set MAC Reg C+CR Offset 0xE0: bit-3\n"
|
|
.set: RTL_W16 RTL8169_REG_CPlusCmd,ax
|
|
|
|
; RTL_W16 0xE2,0x1517
|
|
; RTL_W16 0xE2,0x152a
|
|
; RTL_W16 0xE2,0x282a
|
|
RTL_W16 0xE2,0x0000
|
|
|
|
MOV [rtl8169_tpc.cur_rx],0
|
|
RTL_W32 RTL8169_REG_TxDescStartAddr,[rtl8169_tpc.TxDescArray]
|
|
RTL_W32 RTL8169_REG_RxDescStartAddr,[rtl8169_tpc.RxDescArray]
|
|
RTL_W8 RTL8169_REG_Cfg9346,RTL8169_CFG_9346_Lock
|
|
stdcall udelay,10
|
|
RTL_W32 RTL8169_REG_RxMissed,0
|
|
call rtl8169_set_rx_mode
|
|
; no early-rx interrupts
|
|
RTL_R16 RTL8169_REG_MultiIntr
|
|
and ax,0xF000
|
|
RTL_W16 RTL8169_REG_MultiIntr,ax
|
|
RTL_W16 RTL8169_REG_IntrMask,0 ; rtl8169_intr_mask
|
|
ret
|
|
endp
|
|
|
|
proc udelay,msec:dword
|
|
push esi
|
|
mov esi,[msec]
|
|
call delay_ms
|
|
pop esi
|
|
ret
|
|
endp
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; rtl8169_probe
|
|
; Description
|
|
; Searches for an ethernet card, enables it and clears the rx buffer
|
|
; If a card was found, it enables the ethernet -> TCPIP link
|
|
; Destroyed registers
|
|
; eax, ebx, ecx, edx
|
|
;
|
|
;***************************************************************************
|
|
proc rtl8169_probe
|
|
|
|
DEBUGF 1,"K : rtl8169_probe: 0x%x : 0x%x 0x%x\n",[io_addr]:8,[pci_bus]:2,[pci_dev]:2
|
|
|
|
call rtl8169_init_board
|
|
|
|
mov ecx,MAC_ADDR_LEN
|
|
mov edx,[rtl8169_tpc.mmio_addr]
|
|
add edx,RTL8169_REG_MAC0
|
|
xor ebx,ebx
|
|
; Get MAC address. FIXME: read EEPROM
|
|
@@: RTL_R8 dx
|
|
mov [node_addr+ebx],al
|
|
inc edx
|
|
inc ebx
|
|
loop @b
|
|
|
|
DEBUGF 1,"K : rtl8169_probe: MAC = %x-%x-%x-%x-%x-%x\n",[node_addr+0]:2,[node_addr+1]:2,[node_addr+2]:2,[node_addr+3]:2,[node_addr+4]:2,[node_addr+5]:2
|
|
|
|
; Config PHY
|
|
stdcall rtl8169_hw_PHY_config
|
|
; DEBUGF 1,"K : Set MAC Reg C+CR Offset 0x82h = 0x01h\n"
|
|
RTL_W8 0x82,0x01
|
|
cmp [rtl8169_tpc.mcfg],MCFG_METHOD_03
|
|
jae @f
|
|
; DEBUGF 1,"K : Set PCI Latency=0x40\n"
|
|
; stdcall pci_write_config_byte,PCI_LATENCY_TIMER,0x40
|
|
@@:
|
|
cmp [rtl8169_tpc.mcfg],MCFG_METHOD_02
|
|
jne @f
|
|
; DEBUGF 1,"K : Set MAC Reg C+CR Offset 0x82h = 0x01h\n"
|
|
RTL_W8 0x82,0x01
|
|
; DEBUGF 1,"K : Set PHY Reg 0x0bh = 0x00h\n"
|
|
stdcall RTL8169_WRITE_GMII_REG,0x0b,0x0000 ; w 0x0b 15 0 0
|
|
@@:
|
|
; if TBI is not enabled
|
|
RTL_R8 RTL8169_REG_PHYstatus
|
|
test al,RTL8169_PHYS_TBI_Enable
|
|
jz .tbi_dis
|
|
stdcall RTL8169_READ_GMII_REG,RTL8169_PHY_AUTO_NEGO_REG
|
|
; enable 10/100 Full/Half Mode, leave PHY_AUTO_NEGO_REG bit4:0 unchanged
|
|
and eax,0x0C1F
|
|
or eax,RTL8169_PHY_Cap_10_Half or RTL8169_PHY_Cap_10_Full or RTL8169_PHY_Cap_100_Half or RTL8169_PHY_Cap_100_Full
|
|
stdcall RTL8169_WRITE_GMII_REG,RTL8169_PHY_AUTO_NEGO_REG,eax
|
|
; enable 1000 Full Mode
|
|
stdcall RTL8169_WRITE_GMII_REG,RTL8169_PHY_1000_CTRL_REG,RTL8169_PHY_Cap_1000_Full or RTL8169_PHY_Cap_1000_Half ; rtl8168
|
|
; Enable auto-negotiation and restart auto-nigotiation
|
|
stdcall RTL8169_WRITE_GMII_REG,RTL8169_PHY_CTRL_REG,RTL8169_PHY_Enable_Auto_Nego or RTL8169_PHY_Restart_Auto_Nego
|
|
stdcall udelay,100
|
|
mov ecx,10000
|
|
; wait for auto-negotiation process
|
|
@@: dec ecx
|
|
jz @f
|
|
stdcall RTL8169_READ_GMII_REG,RTL8169_PHY_STAT_REG
|
|
stdcall udelay,100
|
|
test eax,RTL8169_PHY_Auto_Neco_Comp
|
|
jz @b
|
|
RTL_R8 RTL8169_REG_PHYstatus
|
|
jmp @f
|
|
.tbi_dis:
|
|
stdcall udelay,100
|
|
@@:
|
|
call rtl8169_reset
|
|
ret
|
|
endp
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; rt8169_reset
|
|
; Description
|
|
; Place the chip (ie, the ethernet card) into a virgin state
|
|
; Destroyed registers
|
|
; eax, ebx, ecx, edx
|
|
;
|
|
;***************************************************************************
|
|
proc rtl8169_reset
|
|
|
|
DEBUGF 1,"K : rtl8169_reset: 0x%x : 0x%x 0x%x\n",[io_addr]:8,[pci_bus]:2,[pci_dev]:2
|
|
|
|
mov [rtl8169_tpc.TxDescArrays],rtl8169_tx_ring
|
|
; Tx Desscriptor needs 256 bytes alignment
|
|
mov [rtl8169_tpc.TxDescArray],rtl8169_tx_ring
|
|
|
|
mov [rtl8169_tpc.RxDescArrays],rtl8169_rx_ring
|
|
; Rx Desscriptor needs 256 bytes alignment
|
|
mov [rtl8169_tpc.RxDescArray],rtl8169_rx_ring
|
|
|
|
call rtl8169_init_ring
|
|
call rtl8169_hw_start
|
|
; Construct a perfect filter frame with the mac address as first match
|
|
; and broadcast for all others
|
|
mov edi,rtl8169_txb
|
|
or al,-1
|
|
mov ecx,192
|
|
cld
|
|
rep stosb
|
|
|
|
mov esi,node_addr
|
|
mov edi,rtl8169_txb
|
|
movsd
|
|
movsw
|
|
|
|
mov eax,[pci_data]
|
|
mov [eth_status],eax
|
|
ret
|
|
endp
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; rtl8169_transmit
|
|
; Description
|
|
; Transmits a packet of data via the ethernet card
|
|
; d - edi - Pointer to 48 bit destination address
|
|
; t - bx - Type of packet
|
|
; s - ecx - size of packet
|
|
; p - esi - pointer to packet data
|
|
; Destroyed registers
|
|
; eax, edx, esi, edi
|
|
;
|
|
;***************************************************************************
|
|
proc rtl8169_transmit
|
|
|
|
DEBUGF 1,"K : rtl8169_transmit\n" ;: 0x%x : 0x%x 0x%x 0x%x 0x%x\n",[io_addr]:8,edi,bx,ecx,esi
|
|
|
|
push ecx edx esi
|
|
mov eax,MAX_ETH_FRAME_SIZE
|
|
mul [rtl8169_tpc.cur_tx]
|
|
mov esi,edi
|
|
; point to the current txb incase multiple tx_rings are used
|
|
mov edi,[rtl8169_tpc.Tx_skbuff + eax * 4]
|
|
mov eax,edi
|
|
cld
|
|
; copy destination address
|
|
movsd
|
|
movsw
|
|
; copy source address
|
|
mov esi,node_addr
|
|
movsd
|
|
movsw
|
|
; copy packet type
|
|
mov [edi],bx
|
|
add edi,2
|
|
; copy the packet data
|
|
pop esi edx ecx
|
|
push ecx
|
|
shr ecx,2
|
|
rep movsd
|
|
pop ecx
|
|
push ecx
|
|
and ecx,3
|
|
rep movsb
|
|
|
|
;!!! s += ETH_HLEN;
|
|
;!!! s &= 0x0FFF;
|
|
;!!! while (s < ETH_ZLEN)
|
|
;!!! ptxb[s++] = '\0';
|
|
mov edi,eax
|
|
pop ecx
|
|
push eax
|
|
add ecx,ETH_HLEN
|
|
and ecx,0x0FFF
|
|
xor al,al
|
|
add edi,ecx
|
|
@@: cmp ecx,ETH_ZLEN
|
|
jae @f
|
|
stosb
|
|
inc ecx
|
|
jmp @b
|
|
@@: pop eax
|
|
|
|
mov ebx,eax
|
|
mov eax,sizeof.rtl8169_TxDesc
|
|
mul [rtl8169_tpc.cur_tx]
|
|
add eax,[rtl8169_tpc.TxDescArray]
|
|
xchg eax,ebx
|
|
mov [ebx + rtl8169_TxDesc.buf_addr],eax
|
|
|
|
mov eax,ecx
|
|
cmp eax,ETH_ZLEN
|
|
jae @f
|
|
mov eax,ETH_ZLEN
|
|
@@: or eax,RTL8169_DSB_OWNbit or RTL8169_DSB_FSbit or RTL8169_DSB_LSbit
|
|
cmp [rtl8169_tpc.cur_tx],NUM_TX_DESC - 1
|
|
jne @f
|
|
or eax,RTL8169_DSB_EORbit
|
|
@@: mov [ebx + rtl8169_TxDesc.status],eax
|
|
|
|
RTL_W8 RTL8169_REG_TxPoll,0x40 ; set polling bit
|
|
|
|
inc [rtl8169_tpc.cur_tx]
|
|
and [rtl8169_tpc.cur_tx],NUM_TX_DESC - 1
|
|
|
|
;!!! to = currticks() + TX_TIMEOUT;
|
|
;!!! while ((tpc->TxDescArray[entry].status & OWNbit) && (currticks() < to)); /* wait */
|
|
mov ecx,TX_TIMEOUT / 10
|
|
@@: test [ebx + rtl8169_TxDesc.status],RTL8169_DSB_OWNbit
|
|
jnz @f
|
|
stdcall udelay,10
|
|
loop @b
|
|
DEBUGF 1,"K : rtl8169_transmit: TX Time Out\n"
|
|
@@:
|
|
|
|
ret
|
|
endp
|
|
|
|
;***************************************************************************
|
|
; Function
|
|
; rtl8169_poll
|
|
;
|
|
; Description
|
|
; Polls the ethernet card for a received packet
|
|
; Received data, if any, ends up in Ether_buffer
|
|
; Destroyed register(s)
|
|
; eax, edx, ecx
|
|
;
|
|
;***************************************************************************
|
|
proc rtl8169_poll
|
|
|
|
; DEBUGF 1,"K : rtl8169_poll\n" ;: 0x%x : none\n",[io_addr]:8
|
|
|
|
mov word[eth_rx_data_len],0
|
|
|
|
mov eax,sizeof.rtl8169_RxDesc
|
|
mul [rtl8169_tpc.cur_rx]
|
|
add eax,[rtl8169_tpc.RxDescArray]
|
|
mov ebx,eax
|
|
|
|
; DEBUGF 1,"K : rtl8169_RxDesc.status = 0x%x\n",[ebx + rtl8169_RxDesc.status]
|
|
|
|
test [ebx + rtl8169_RxDesc.status],RTL8169_DSB_OWNbit ; 0x80000600
|
|
jnz .exit
|
|
|
|
; DEBUGF 1,"K : rtl8169_tpc.cur_rx = %u\n",[rtl8169_tpc.cur_rx]
|
|
|
|
; h/w no longer present (hotplug?) or major error, bail
|
|
RTL_R16 RTL8169_REG_IntrStatus
|
|
|
|
; DEBUGF 1,"K : IntrStatus = 0x%x\n",ax
|
|
|
|
cmp ax,0xFFFF
|
|
je .exit
|
|
|
|
push eax
|
|
and ax,not (RTL8169_ISB_RxFIFOOver or RTL8169_ISB_RxOverflow or RTL8169_ISB_RxOK)
|
|
RTL_W16 RTL8169_REG_IntrStatus,ax
|
|
|
|
mov eax,[ebx + rtl8169_RxDesc.status]
|
|
|
|
; DEBUGF 1,"K : RxDesc.status = 0x%x\n",eax
|
|
|
|
test eax,RTL8169_SD_RxRES
|
|
jnz .else
|
|
and eax,0x00001FFF
|
|
; jz .exit.pop
|
|
add eax,-4
|
|
mov [eth_rx_data_len],ax
|
|
|
|
DEBUGF 1,"K : rtl8169_poll: data length = %u\n",ax
|
|
|
|
push eax
|
|
mov ecx,eax
|
|
shr ecx,2
|
|
mov eax,[rtl8169_tpc.cur_rx]
|
|
mov edx,[rtl8169_tpc.RxBufferRing + eax * 4]
|
|
mov esi,edx
|
|
mov edi,Ether_buffer
|
|
cld
|
|
rep movsd
|
|
pop ecx
|
|
and ecx,3
|
|
rep movsb
|
|
|
|
mov eax,RTL8169_DSB_OWNbit or RX_BUF_SIZE
|
|
cmp [rtl8169_tpc.cur_rx],NUM_RX_DESC - 1
|
|
jne @f
|
|
or eax,RTL8169_DSB_EORbit
|
|
@@: mov [ebx + rtl8169_RxDesc.status],eax
|
|
|
|
mov [ebx + rtl8169_RxDesc.buf_addr],edx
|
|
jmp @f
|
|
.else:
|
|
DEBUGF 1,"K : rtl8169_poll: Rx Error\n"
|
|
; FIXME: shouldn't I reset the status on an error
|
|
@@:
|
|
inc [rtl8169_tpc.cur_rx]
|
|
and [rtl8169_tpc.cur_rx],NUM_RX_DESC - 1
|
|
.exit.pop:
|
|
pop eax
|
|
and ax,RTL8169_ISB_RxFIFOOver or RTL8169_ISB_RxOverflow or RTL8169_ISB_RxOK
|
|
RTL_W16 RTL8169_REG_IntrStatus,ax
|
|
.exit:
|
|
ret
|
|
endp
|
|
|
|
proc rtl8169_cable
|
|
ret
|
|
endp
|