1245 lines
30 KiB
NASM
1245 lines
30 KiB
NASM
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License ;;
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;; ;;
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;; i8255x (Intel eepro 100) driver for KolibriOS ;;
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;; ;;
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;; Written by hidnplayr@kolibrios.org ;;
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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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;; Some parts of this driver are based on the code of eepro100.c ;;
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;; from linux. ;;
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;; ;;
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;; Intel's programming manual for i8255x: ;;
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;; http://www.intel.com/design/network/manuals/8255x_opensdm.htm ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; TODO: use separate descriptors in memory instead of placing them in front of packets!
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format PE DLL native
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entry START
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CURRENT_API = 0x0200
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COMPATIBLE_API = 0x0100
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API_VERSION = (COMPATIBLE_API shl 16) + CURRENT_API
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MAX_DEVICES = 16
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DEBUG = 1
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__DEBUG__ = 1
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__DEBUG_LEVEL__ = 2 ; 1 = verbose, 2 = errors only
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section '.flat' readable writable executable
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include '../proc32.inc'
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include '../struct.inc'
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include '../macros.inc'
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include '../fdo.inc'
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include '../netdrv.inc'
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; Serial EEPROM
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EE_SK = 1 shl 0 ; serial clock
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EE_CS = 1 shl 1 ; chip select
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EE_DI = 1 shl 2 ; data in
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EE_DO = 1 shl 3 ; data out
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EE_MASK = EE_SK + EE_CS + EE_DI + EE_DO
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; opcodes, first bit is start bit and must be 1
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EE_READ = 110b
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EE_WRITE = 101b
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EE_ERASE = 111b
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; The SCB accepts the following controls for the Tx and Rx units:
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CU_START = 0x0010
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CU_RESUME = 0x0020
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CU_STATSADDR = 0x0040
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CU_SHOWSTATS = 0x0050 ; Dump statistics counters.
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CU_CMD_BASE = 0x0060 ; Base address to add CU commands.
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CU_DUMPSTATS = 0x0070 ; Dump then reset stats counters.
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RX_START = 0x0001
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RX_RESUME = 0x0002
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RX_ABORT = 0x0004
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RX_ADDR_LOAD = 0x0006
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RX_RESUMENR = 0x0007
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INT_MASK = 0x0100
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DRVR_INT = 0x0200 ; Driver generated interrupt
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CmdIASetup = 0x0001
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CmdConfigure = 0x0002
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CmdTx = 0x0004
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CmdTxFlex = 0x0008
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Cmdsuspend = 0x4000
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reg_scb_status = 0
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reg_scb_cmd = 2
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reg_scb_ptr = 4
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reg_port = 8
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reg_eeprom = 14
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reg_mdi_ctrl = 16
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phy_100a = 0x000003E0
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phy_100c = 0x035002A8
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phy_82555_tx = 0x015002A8
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phy_nsc_tx = 0x5C002000
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phy_82562_et = 0x033002A8
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phy_82562_em = 0x032002A8
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phy_82562_ek = 0x031002A8
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phy_82562_eh = 0x017002A8
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phy_82552_v = 0xd061004d
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phy_unknown = 0xFFFFFFFF
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mac_82557_D100_A = 0
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mac_82557_D100_B = 1
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mac_82557_D100_C = 2
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mac_82558_D101_A4 = 4
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mac_82558_D101_B0 = 5
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mac_82559_D101M = 8
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mac_82559_D101S = 9
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mac_82550_D102 = 12
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mac_82550_D102_C = 13
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mac_82551_E = 14
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mac_82551_F = 15
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mac_82551_10 = 16
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mac_unknown = 0xFF
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struct rxfd
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status dw ?
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command dw ?
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link dd ?
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rx_buf_addr dd ?
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count dw ?
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size dw ?
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packet rb 1500
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ends
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struc txfd {
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.status dw ?
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.command dw ?
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.link dd ?
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.desc_addr dd ?
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.count dd ?
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.buf_addr0 dd ?
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.buf_size0 dd ?
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}
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struc confcmd {
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.status dw ?
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.command dw ?
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.link dd ?
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.data rb 64
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}
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struc lstats {
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.tx_good_frames dd ?
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.tx_coll16_errs dd ?
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.tx_late_colls dd ?
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.tx_underruns dd ?
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.tx_lost_carrier dd ?
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.tx_deferred dd ?
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.tx_one_colls dd ?
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.tx_multi_colls dd ?
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.tx_total_colls dd ?
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.rx_good_frames dd ?
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.rx_crc_errs dd ?
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.rx_align_errs dd ?
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.rx_resource_errs dd ?
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.rx_overrun_errs dd ?
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.rx_colls_errs dd ?
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.rx_runt_errs dd ?
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}
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struct device ETH_DEVICE
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io_addr dd ?
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pci_bus dd ?
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pci_dev dd ?
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rx_desc dd ?
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last_tx_buffer dd ?
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ee_bus_width db ?
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irq_line db ?
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rb 0x100 - ($ and 0xff) ; align 256
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txfd txfd
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rb 0x100 - ($ and 0xff) ; align 256
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confcmd confcmd
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rb 0x100 - ($ and 0xff) ; align 256
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lstats lstats
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ends
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macro delay {
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push eax
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in ax, dx
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in ax, dx
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in ax, dx
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in ax, dx
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in ax, dx
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in ax, dx
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in ax, dx
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in ax, dx
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in ax, dx
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in ax, dx
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pop eax
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}
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; proc START ;;
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;; ;;
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;; (standard driver proc) ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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proc START c, state:dword
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cmp [state], 1
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jne .exit
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.entry:
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DEBUGF 1,"Loading driver\n"
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invoke RegService, my_service, service_proc
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ret
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.fail:
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.exit:
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xor eax, eax
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ret
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endp
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; proc SERVICE_PROC ;;
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;; ;;
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;; (standard driver proc) ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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align 4
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proc service_proc stdcall, ioctl:dword
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mov edx, [ioctl]
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mov eax, [edx + IOCTL.io_code]
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;------------------------------------------------------
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cmp eax, 0 ;SRV_GETVERSION
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jne @F
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cmp [edx + IOCTL.out_size], 4
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jb .fail
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mov eax, [edx + IOCTL.output]
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mov [eax], dword API_VERSION
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xor eax, eax
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ret
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;------------------------------------------------------
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@@:
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cmp eax, 1 ;SRV_HOOK
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jne .fail
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cmp [edx + IOCTL.inp_size], 3 ; Data input must be at least 3 bytes
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jb .fail
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mov eax, [edx + IOCTL.input]
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cmp byte [eax], 1 ; 1 means device number and bus number (pci) are given
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jne .fail ; other types arent supported for this card yet
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; check if the device is already listed
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mov esi, device_list
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mov ecx, [devices]
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test ecx, ecx
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jz .firstdevice
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; mov eax, [edx + IOCTL.input] ; get the pci bus and device numbers
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mov ax , [eax+1] ;
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.nextdevice:
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mov ebx, [esi]
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cmp al, byte[ebx + device.pci_bus]
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jne @f
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cmp ah, byte[ebx + device.pci_dev]
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je .find_devicenum ; Device is already loaded, let's find it's device number
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@@:
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add esi, 4
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loop .nextdevice
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; This device doesnt have its own eth_device structure yet, lets create one
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.firstdevice:
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cmp [devices], MAX_DEVICES ; First check if the driver can handle one more card
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jae .fail
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allocate_and_clear ebx, sizeof.device, .fail ; Allocate the buffer for device structure
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; Fill in the direct call addresses into the struct
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mov [ebx + device.reset], reset
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mov [ebx + device.transmit], transmit
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mov [ebx + device.unload], unload
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mov [ebx + device.name], my_service
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; save the pci bus and device numbers
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mov eax, [edx + IOCTL.input]
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movzx ecx, byte[eax+1]
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mov [ebx + device.pci_bus], ecx
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movzx ecx, byte[eax+2]
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mov [ebx + device.pci_dev], ecx
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; Now, it's time to find the base io addres of the PCI device
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stdcall PCI_find_io, [ebx + device.pci_bus], [ebx + device.pci_dev]
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mov [ebx + device.io_addr], eax
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; We've found the io address, find IRQ now
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invoke PciRead8, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.interrupt_line
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mov [ebx + device.irq_line], al
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DEBUGF 1,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\
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[ebx + device.pci_dev]:1,[ebx + device.pci_bus]:1,[ebx + device.irq_line]:1,[ebx + device.io_addr]:4
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; Ok, the eth_device structure is ready, let's probe the device
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pushf
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cli ; disable ints untilm initialisation is done
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call probe ; this function will output in eax
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test eax, eax
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jnz .err ; If an error occured, exit
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mov eax, [devices] ; Add the device structure to our device list
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mov [device_list+4*eax], ebx ; (IRQ handler uses this list to find device)
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inc [devices] ;
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popf
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mov [ebx + device.type], NET_TYPE_ETH
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invoke NetRegDev
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cmp eax, -1
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je .err
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ret
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; If the device was already loaded, find the device number and return it in eax
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.find_devicenum:
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DEBUGF 2,"Trying to find device number of already registered device\n"
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invoke NetPtrToNum ; This kernel procedure converts a pointer to device struct in ebx
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; into a device number in edi
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mov eax, edi ; Application wants it in eax instead
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DEBUGF 2,"Kernel says: %u\n", eax
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ret
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; If an error occured, remove all allocated data and exit (returning -1 in eax)
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.err:
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invoke KernelFree, ebx
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.fail:
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or eax, -1
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ret
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;------------------------------------------------------
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endp
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;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
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;; ;;
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;; Actual Hardware dependent code starts here ;;
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;; ;;
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;;/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\;;
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unload:
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; TODO: (in this particular order)
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;
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; - Stop the device
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; - Detach int handler
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; - Remove device from local list (device_list)
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; - call unregister function in kernel
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; - Remove all allocated structures and buffers the card used
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or eax,-1
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ret
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;-------------
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;
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; Probe
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;
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;-------------
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align 4
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probe:
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DEBUGF 1,"Probing\n"
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; Make the device a bus master
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invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command
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or al, PCI_CMD_MASTER
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invoke PciWrite32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header00.command, eax
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;---------------------------
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; First, identify the device
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invoke PciRead32, [ebx + device.pci_bus], [ebx + device.pci_dev], PCI_header.vendor_id ; get device/vendor id
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DEBUGF 1,"Vendor_id=0x%x\n", ax
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cmp ax, 0x8086
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jne .notfound
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shr eax, 16
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DEBUGF 1,"Device_id=0x%x\n", ax
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mov ecx, DEVICE_IDs
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mov edi, device_id_list
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repne scasw
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jne .notfound
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jmp .found
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.notfound:
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DEBUGF 2,"Unsupported device!\n"
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or eax, -1
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ret
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.found:
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call ee_get_width
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call MAC_read_eeprom
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;;; TODO: detect phy
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;----------
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;
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; Reset
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;
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;----------
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align 4
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reset:
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movzx eax, [ebx + device.irq_line]
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DEBUGF 1,"Attaching int handler to irq %x\n", eax:1
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invoke AttachIntHandler, eax, int_handler, ebx
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test eax, eax
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jnz @f
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DEBUGF 2,"Could not attach int handler!\n"
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or eax, -1
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ret
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@@:
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DEBUGF 1,"Resetting\n"
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;---------------
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; reset the card
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set_io [ebx + device.io_addr], 0
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set_io [ebx + device.io_addr], reg_port
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xor eax, eax ; Software Reset
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out dx, eax
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mov esi, 10
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invoke Sleep ; Give the card time to warm up.
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;---------------------------------
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; Tell device where to store stats
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lea eax, [ebx + device.lstats.tx_good_frames] ; lstats
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invoke GetPhysAddr
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set_io [ebx + device.io_addr], 0
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set_io [ebx + device.io_addr], reg_scb_ptr
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out dx, eax
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mov ax, INT_MASK + CU_STATSADDR
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set_io [ebx + device.io_addr], reg_scb_cmd
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out dx, ax
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call cmd_wait
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;-----------------
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; setup RX
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set_io [ebx + device.io_addr], reg_scb_ptr
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xor eax, eax
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out dx, eax
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set_io [ebx + device.io_addr], reg_scb_cmd
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mov ax, INT_MASK + RX_ADDR_LOAD
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out dx, ax
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call cmd_wait
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;-----------------------------
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; Create RX and TX descriptors
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call create_ring
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; RX start
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set_io [ebx + device.io_addr], 0
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set_io [ebx + device.io_addr], reg_scb_ptr
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mov eax, [ebx + device.rx_desc]
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invoke GetPhysAddr
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out dx, eax
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mov ax, INT_MASK + RX_START
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set_io [ebx + device.io_addr], reg_scb_cmd
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out dx, ax
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call cmd_wait
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; Set-up TX
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set_io [ebx + device.io_addr], reg_scb_ptr
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xor eax, eax
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out dx, eax
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set_io [ebx + device.io_addr], reg_scb_cmd
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mov ax, INT_MASK + CU_CMD_BASE
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out dx, ax
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call cmd_wait
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; --------------------
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mov [ebx + device.confcmd.command], CmdConfigure + Cmdsuspend
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mov [ebx + device.confcmd.status], 0
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lea eax, [ebx + device.txfd.status]
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invoke GetPhysAddr
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mov [ebx + device.confcmd.link], eax
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mov esi, confcmd_data
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lea edi, [ebx + device.confcmd.data]
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mov ecx, 22
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rep movsb
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mov byte[ebx + device.confcmd.data + 1], 0x88 ; fifo of 8 each
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mov byte[ebx + device.confcmd.data + 4], 0
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mov byte[ebx + device.confcmd.data + 5], 0x80
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mov byte[ebx + device.confcmd.data + 15], 0x48
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mov byte[ebx + device.confcmd.data + 19], 0x80
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mov byte[ebx + device.confcmd.data + 21], 0x05
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mov [ebx + device.txfd.command], CmdIASetup
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mov [ebx + device.txfd.status], 0
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lea eax, [ebx + device.confcmd.status]
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invoke GetPhysAddr
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mov [ebx + device.txfd.link], eax
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;;; copy in our MAC
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lea edi, [ebx + device.txfd.desc_addr]
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lea esi, [ebx + device.mac]
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movsd
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movsw
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set_io [ebx + device.io_addr], reg_scb_ptr
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lea eax, [ebx + device.txfd.status]
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invoke GetPhysAddr
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out dx, eax
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; Start CU & enable ints
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set_io [ebx + device.io_addr], reg_scb_cmd
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mov ax, CU_START
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out dx, ax
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call cmd_wait
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;-----------------------
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; build txfd structure (again!)
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lea eax, [ebx + device.txfd.status]
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invoke GetPhysAddr
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|
mov [ebx + device.txfd.link], eax
|
|
mov [ebx + device.txfd.count], 0x02208000
|
|
lea eax, [ebx + device.txfd.buf_addr0]
|
|
invoke GetPhysAddr
|
|
mov [ebx + device.txfd.desc_addr], eax
|
|
|
|
; Indicate that we have successfully reset the card
|
|
|
|
DEBUGF 1,"Reset complete\n"
|
|
|
|
mov [ebx + device.mtu], 1514
|
|
|
|
; Set link state to unknown
|
|
mov [ebx + device.state], ETH_LINK_UNKNOWN
|
|
|
|
xor eax, eax ; indicate that we have successfully reset the card
|
|
ret
|
|
|
|
|
|
align 4
|
|
create_ring:
|
|
|
|
DEBUGF 1,"Creating ring\n"
|
|
|
|
;---------------------
|
|
; build rxfd structure
|
|
|
|
invoke KernelAlloc, 2000
|
|
mov [ebx + device.rx_desc], eax
|
|
mov esi, eax
|
|
invoke GetPhysAddr
|
|
mov [esi + rxfd.status], 0x0000
|
|
mov [esi + rxfd.command], 0x0000
|
|
mov [esi + rxfd.link], eax
|
|
mov [esi + rxfd.count], 0
|
|
mov [esi + rxfd.size], 1528
|
|
|
|
;-----------------------
|
|
; build txfd structure
|
|
|
|
lea eax, [ebx + device.txfd.status]
|
|
invoke GetPhysAddr
|
|
mov [ebx + device.txfd.link], eax
|
|
mov [ebx + device.txfd.count], 0x01208000
|
|
lea eax, [ebx + device.txfd.buf_addr0]
|
|
invoke GetPhysAddr
|
|
mov [ebx + device.txfd.desc_addr], eax
|
|
|
|
ret
|
|
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Transmit ;;
|
|
;; ;;
|
|
;; In: pointer to device structure in ebx ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
proc transmit stdcall bufferptr, buffersize
|
|
|
|
pushf
|
|
cli
|
|
|
|
DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [bufferptr], [buffersize]
|
|
mov eax, [bufferptr]
|
|
DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\
|
|
[eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\
|
|
[eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\
|
|
[eax+13]:2,[eax+12]:2
|
|
|
|
cmp [buffersize], 1514
|
|
ja .fail
|
|
cmp [buffersize], 60
|
|
jb .fail
|
|
|
|
;;; TODO: check if current descriptor is in use
|
|
; fill in buffer address and size
|
|
mov [ebx + device.last_tx_buffer], eax
|
|
invoke GetPhysAddr
|
|
mov [ebx + device.txfd.buf_addr0], eax
|
|
mov ecx, [buffersize]
|
|
mov [ebx + device.txfd.buf_size0], ecx
|
|
|
|
mov [ebx + device.txfd.status], 0
|
|
mov [ebx + device.txfd.command], Cmdsuspend + CmdTx + CmdTxFlex + 1 shl 15 ;;; EL bit
|
|
; mov [txfd.count], 0x02208000 ;;;;;;;;;;;
|
|
|
|
; Inform device of the new/updated transmit descriptor
|
|
lea eax, [ebx + device.txfd.status]
|
|
invoke GetPhysAddr
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], reg_scb_ptr
|
|
out dx, eax
|
|
|
|
; Start the transmit
|
|
mov ax, CU_START
|
|
set_io [ebx + device.io_addr], reg_scb_cmd
|
|
out dx, ax
|
|
call cmd_wait
|
|
|
|
; Update stats
|
|
inc [ebx + device.packets_tx]
|
|
mov ecx, [buffersize]
|
|
add dword[ebx + device.bytes_tx], ecx
|
|
adc dword[ebx + device.bytes_tx + 4], 0
|
|
|
|
DEBUGF 1,"Transmit OK\n"
|
|
popf
|
|
xor eax, eax
|
|
ret
|
|
|
|
.fail:
|
|
invoke KernelFree, [bufferptr]
|
|
popf
|
|
or eax, -1
|
|
ret
|
|
|
|
endp
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Interrupt handler ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
align 4
|
|
int_handler:
|
|
|
|
push ebx esi edi
|
|
|
|
DEBUGF 1,"INT\n"
|
|
|
|
; find pointer of device wich made IRQ occur
|
|
|
|
mov ecx, [devices]
|
|
test ecx, ecx
|
|
jz .nothing
|
|
mov esi, device_list
|
|
.nextdevice:
|
|
mov ebx, [esi]
|
|
|
|
; set_io [ebx + device.io_addr], 0 ; reg_scb_status = 0
|
|
set_io [ebx + device.io_addr], reg_scb_status
|
|
in ax, dx
|
|
out dx, ax ; send it back to ACK
|
|
test ax, ax
|
|
jnz .got_it
|
|
.continue:
|
|
add esi, 4
|
|
dec ecx
|
|
jnz .nextdevice
|
|
.nothing:
|
|
pop edi esi ebx
|
|
xor eax, eax
|
|
|
|
ret ; If no device was found, abort (The irq was probably for a device, not registered to this driver)
|
|
|
|
.got_it:
|
|
|
|
DEBUGF 1,"Device: %x Status: %x\n", ebx, ax
|
|
|
|
test ax, 1 shl 14 ; did we receive a frame?
|
|
jz .no_rx
|
|
|
|
push ax
|
|
|
|
DEBUGF 1,"Receiving\n"
|
|
|
|
push ebx
|
|
.rx_loop:
|
|
pop ebx
|
|
|
|
mov esi, [ebx + device.rx_desc]
|
|
cmp [esi + rxfd.status], 0 ; we could also check bits C and OK (bit 15 and 13)
|
|
je .nodata
|
|
|
|
DEBUGF 1,"rxfd status=0x%x\n", [esi + rxfd.status]:4
|
|
|
|
movzx ecx, [esi + rxfd.count]
|
|
and ecx, 0x3fff
|
|
|
|
push ebx
|
|
push .rx_loop
|
|
push ecx
|
|
add esi, rxfd.packet
|
|
push esi
|
|
|
|
; Update stats
|
|
add dword [ebx + device.bytes_rx], ecx
|
|
adc dword [ebx + device.bytes_rx + 4], 0
|
|
inc dword [ebx + device.packets_rx]
|
|
|
|
; allocate new descriptor
|
|
|
|
invoke KernelAlloc, 2000
|
|
mov [ebx + device.rx_desc], eax
|
|
mov esi, eax
|
|
invoke GetPhysAddr
|
|
mov [esi + rxfd.status], 0x0000
|
|
mov [esi + rxfd.command], 0xc000 ; End of list + Suspend
|
|
mov [esi + rxfd.link], eax
|
|
mov [esi + rxfd.count], 0
|
|
mov [esi + rxfd.size], 1528
|
|
|
|
; restart RX
|
|
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], reg_scb_ptr
|
|
; lea eax, [ebx + device.rx_desc]
|
|
; invoke GetPhysAddr
|
|
out dx, eax
|
|
|
|
set_io [ebx + device.io_addr], reg_scb_cmd
|
|
mov ax, RX_START
|
|
out dx, ax
|
|
call cmd_wait
|
|
|
|
; And give packet to kernel
|
|
jmp [Eth_input]
|
|
|
|
.nodata:
|
|
DEBUGF 1, "no more data\n"
|
|
pop ax
|
|
|
|
.no_rx:
|
|
|
|
; Cleanup after TX
|
|
cmp [ebx + device.txfd.status], 0
|
|
je .done
|
|
cmp [ebx + device.last_tx_buffer], 0
|
|
je .done
|
|
push ax
|
|
DEBUGF 1, "Removing packet 0x%x from RAM!\n", [ebx + device.last_tx_buffer]
|
|
invoke KernelFree, [ebx + device.last_tx_buffer]
|
|
mov [ebx + device.last_tx_buffer], 0
|
|
pop ax
|
|
|
|
.done:
|
|
and ax, 00111100b
|
|
cmp ax, 00001000b
|
|
jne .fail
|
|
|
|
DEBUGF 1, "out of resources!\n"
|
|
; Restart the RX
|
|
|
|
; allocate new descriptor
|
|
|
|
invoke KernelAlloc, 2000
|
|
mov [ebx + device.rx_desc], eax
|
|
mov esi, eax
|
|
invoke GetPhysAddr
|
|
mov [esi + rxfd.status], 0x0000
|
|
mov [esi + rxfd.command], 0xc000 ; End of list + Suspend
|
|
mov [esi + rxfd.link], eax
|
|
mov [esi + rxfd.count], 0
|
|
mov [esi + rxfd.size], 1528
|
|
|
|
; restart RX
|
|
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], reg_scb_ptr
|
|
; lea eax, [ebx + device.rx_desc]
|
|
; invoke GetPhysAddr
|
|
out dx, eax
|
|
|
|
set_io [ebx + device.io_addr], reg_scb_cmd
|
|
mov ax, RX_START
|
|
out dx, ax
|
|
call cmd_wait
|
|
|
|
.fail:
|
|
pop edi esi ebx
|
|
xor eax, eax
|
|
inc eax
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
align 4
|
|
cmd_wait:
|
|
|
|
in al, dx
|
|
test al, al
|
|
jnz cmd_wait
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
|
|
|
|
align 4
|
|
ee_read: ; esi = address to read
|
|
|
|
DEBUGF 1,"Eeprom read from 0x%x\n", esi
|
|
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], reg_eeprom
|
|
|
|
;-----------------------------------------------------
|
|
; Prepend start bit + read opcode to the address field
|
|
; and shift it to the very left bits of esi
|
|
|
|
mov cl, 29
|
|
sub cl, [ebx + device.ee_bus_width]
|
|
shl esi, cl
|
|
or esi, EE_READ shl 29
|
|
|
|
movzx ecx, [ebx + device.ee_bus_width]
|
|
add ecx, 3
|
|
|
|
mov al, EE_CS
|
|
out dx, al
|
|
delay
|
|
|
|
;-----------------------
|
|
; Write this to the chip
|
|
|
|
.loop:
|
|
mov al, EE_CS + EE_SK
|
|
shl esi, 1
|
|
jnc @f
|
|
or al, EE_DI
|
|
@@:
|
|
out dx, al
|
|
delay
|
|
|
|
and al, not EE_SK
|
|
out dx, al
|
|
delay
|
|
|
|
loop .loop
|
|
|
|
;------------------------------
|
|
; Now read the data from eeprom
|
|
|
|
xor esi, esi
|
|
mov ecx, 16
|
|
|
|
.loop2:
|
|
shl esi, 1
|
|
mov al, EE_CS + EE_SK
|
|
out dx, al
|
|
delay
|
|
|
|
in al, dx
|
|
test al, EE_DO
|
|
jz @f
|
|
inc esi
|
|
@@:
|
|
|
|
mov al, EE_CS
|
|
out dx, al
|
|
delay
|
|
|
|
loop .loop2
|
|
|
|
;-----------------------
|
|
; de-activate the eeprom
|
|
|
|
xor ax, ax
|
|
out dx, ax
|
|
|
|
|
|
DEBUGF 1,"0x%x\n", esi:4
|
|
ret
|
|
|
|
|
|
|
|
align 4
|
|
ee_write: ; esi = address to write to, di = data
|
|
|
|
DEBUGF 1,"Eeprom write 0x%x to 0x%x\n", di, esi
|
|
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], reg_eeprom
|
|
|
|
;-----------------------------------------------------
|
|
; Prepend start bit + write opcode to the address field
|
|
; and shift it to the very left bits of esi
|
|
|
|
mov cl, 29
|
|
sub cl, [ebx + device.ee_bus_width]
|
|
shl esi, cl
|
|
or esi, EE_WRITE shl 29
|
|
|
|
movzx ecx, [ebx + device.ee_bus_width]
|
|
add ecx, 3
|
|
|
|
mov al, EE_CS ; enable chip
|
|
out dx, al
|
|
|
|
;-----------------------
|
|
; Write this to the chip
|
|
|
|
.loop:
|
|
mov al, EE_CS + EE_SK
|
|
shl esi, 1
|
|
jnc @f
|
|
or al, EE_DI
|
|
@@:
|
|
out dx, al
|
|
delay
|
|
|
|
and al, not EE_SK
|
|
out dx, al
|
|
delay
|
|
|
|
loop .loop
|
|
|
|
;-----------------------------
|
|
; Now write the data to eeprom
|
|
|
|
mov ecx, 16
|
|
|
|
.loop2:
|
|
mov al, EE_CS + EE_SK
|
|
shl di, 1
|
|
jnc @f
|
|
or al, EE_DI
|
|
@@:
|
|
out dx, al
|
|
delay
|
|
|
|
and al, not EE_SK
|
|
out dx, al
|
|
delay
|
|
|
|
loop .loop2
|
|
|
|
;-----------------------
|
|
; de-activate the eeprom
|
|
|
|
xor al, al
|
|
out dx, al
|
|
|
|
|
|
ret
|
|
|
|
|
|
|
|
align 4
|
|
ee_get_width:
|
|
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], reg_eeprom
|
|
|
|
mov al, EE_CS ; activate eeprom
|
|
out dx, al
|
|
delay
|
|
|
|
mov si, EE_READ shl 13
|
|
xor ecx, ecx
|
|
.loop:
|
|
mov al, EE_CS + EE_SK
|
|
shl si, 1
|
|
jnc @f
|
|
or al, EE_DI
|
|
@@:
|
|
out dx, al
|
|
delay
|
|
|
|
and al, not EE_SK
|
|
out dx, al
|
|
delay
|
|
|
|
inc ecx
|
|
|
|
cmp ecx, 15
|
|
jae .give_up
|
|
|
|
in al, dx
|
|
test al, EE_DO
|
|
jnz .loop
|
|
|
|
xor al, al
|
|
out dx, al ; de-activate eeprom
|
|
|
|
sub cl, 3 ; dont count the opcode bits
|
|
mov [ebx + device.ee_bus_width], cl
|
|
DEBUGF 1, "Eeprom width=%u bit\n", ecx
|
|
|
|
ret
|
|
|
|
.give_up:
|
|
DEBUGF 2, "Eeprom not found!\n"
|
|
|
|
xor al, al
|
|
out dx, al ; de-activate eeprom
|
|
|
|
ret
|
|
|
|
|
|
|
|
; cx = phy addr
|
|
; dx = phy reg addr
|
|
|
|
; ax = data
|
|
|
|
align 4
|
|
mdio_read:
|
|
|
|
DEBUGF 1,"MDIO read\n"
|
|
|
|
shl ecx, 21 ; PHY addr
|
|
shl edx, 16 ; PHY reg addr
|
|
|
|
mov eax, ecx
|
|
or eax, edx
|
|
or eax, 10b shl 26 ; read opcode
|
|
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], reg_mdi_ctrl
|
|
out dx, eax
|
|
|
|
.wait:
|
|
delay
|
|
in eax, dx
|
|
test eax, 1 shl 28 ; ready bit
|
|
jz .wait
|
|
|
|
ret
|
|
|
|
; ax = data
|
|
; cx = phy addr
|
|
; dx = phy reg addr
|
|
|
|
; ax = data
|
|
|
|
align 4
|
|
mdio_write:
|
|
|
|
DEBUGF 1,"MDIO write\n"
|
|
|
|
and eax, 0xffff
|
|
|
|
shl ecx, 21 ; PHY addr
|
|
shl edx, 16 ; PHY reg addr
|
|
|
|
or eax, ecx
|
|
or eax, edx
|
|
or eax, 01b shl 26 ; write opcode
|
|
|
|
set_io [ebx + device.io_addr], 0
|
|
set_io [ebx + device.io_addr], reg_mdi_ctrl
|
|
out dx, eax
|
|
|
|
.wait:
|
|
delay
|
|
in eax, dx
|
|
test eax, 1 shl 28 ; ready bit
|
|
jz .wait
|
|
|
|
ret
|
|
|
|
read_mac:
|
|
|
|
ret
|
|
|
|
|
|
|
|
align 4
|
|
MAC_read_eeprom:
|
|
|
|
mov esi, 0
|
|
call ee_read
|
|
mov word[ebx + device.mac], si
|
|
|
|
mov esi, 1
|
|
call ee_read
|
|
mov word[ebx + device.mac+2], si
|
|
|
|
mov esi, 2
|
|
call ee_read
|
|
mov word[ebx + device.mac+4], si
|
|
|
|
|
|
ret
|
|
|
|
|
|
align 4
|
|
MAC_write:
|
|
|
|
;;;;
|
|
|
|
ret
|
|
|
|
|
|
|
|
|
|
; End of code
|
|
|
|
|
|
data fixups
|
|
end data
|
|
|
|
include '../peimport.inc'
|
|
|
|
my_service db 'I8255X', 0 ; max 16 chars include zero
|
|
devicename db 'Intel Etherexpress pro/100', 0
|
|
|
|
confcmd_data db 22, 0x08, 0, 0, 0, 0x80, 0x32, 0x03, 1
|
|
db 0, 0x2e, 0, 0x60, 0, 0xf2, 0x48, 0, 0x40, 0xf2
|
|
db 0x80, 0x3f, 0x05 ; 22 bytes total
|
|
|
|
|
|
device_id_list:
|
|
|
|
dw 0x1029
|
|
dw 0x1030
|
|
dw 0x1031
|
|
dw 0x1032
|
|
dw 0x1033
|
|
dw 0x1034
|
|
dw 0x1038
|
|
dw 0x1039
|
|
dw 0x103A
|
|
dw 0x103B
|
|
dw 0x103C
|
|
dw 0x103D
|
|
dw 0x103E
|
|
dw 0x1050
|
|
dw 0x1051
|
|
dw 0x1052
|
|
dw 0x1053
|
|
dw 0x1054
|
|
dw 0x1055
|
|
dw 0x1056
|
|
dw 0x1057
|
|
dw 0x1059
|
|
dw 0x1064
|
|
dw 0x1065
|
|
dw 0x1066
|
|
dw 0x1067
|
|
dw 0x1068
|
|
dw 0x1069
|
|
dw 0x106A
|
|
dw 0x106B
|
|
dw 0x1091
|
|
dw 0x1092
|
|
dw 0x1093
|
|
dw 0x1094
|
|
dw 0x1095
|
|
dw 0x10fe
|
|
dw 0x1209
|
|
dw 0x1229
|
|
dw 0x2449
|
|
dw 0x2459
|
|
dw 0x245D
|
|
dw 0x27DC
|
|
|
|
DEVICE_IDs = ($ - device_id_list) / 2
|
|
|
|
include_debug_strings ; All data wich FDO uses will be included here
|
|
|
|
align 4
|
|
devices dd 0 ; number of currently running devices
|
|
device_list rd MAX_DEVICES ; This list contains all pointers to device structures the driver is handling
|
|
|