📄 sis900.inc
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;; SIS900.INC ;;;; ;;;; Ethernet driver for Menuet OS ;;;; ;;;; Version 0.4 26 April 2004 ;;;; ;;;; This driver is based on the SIS900 driver from ;;;; the etherboot 5.0.6 project. The copyright statement is ;;;; ;;;; GNU GENERAL PUBLIC LICENSE ;;;; Version 2, June 1991 ;;;; ;;;; remaining parts Copyright 2004 Jason Delozier, ;;;; cordata51@hotmail.com ;;;; ;;;; See file COPYING for details ;;;; ;;;; Updates: ;;;; Revision Look up table and SIS635 Mac Address by Jarek Pelczar ;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;********************************************************************; Interface; SIS900_reset; SIS900_probe; SIS900_poll; SIS900_transmit;;********************************************************************;********************************************************************; Comments:; Known to work with the following SIS900 ethernet cards:; - Device ID: 0x0900 Vendor ID: 0x1039 Revision: 0x91; - Device ID: 0x0900 Vendor ID: 0x1039 Revision: 0x90;; If your card is not listed, try it and let me know if it; functions properly and it will be aded to the list. If not; we may be able to add support for it.;; How To Use:; Add the following lines to Ethernet.inc in their appropriate locations;; include "Sis900.INC"; dd 0x09001039, SIS900_probe, SIS900_reset, SIS900_poll, ; SIS900_transmit; dd 0x70161039, SIS900_probe, SIS900_reset, SIS900_poll, ; SIS900_transmit ;untested;; ToDo:; - Enable MII interface for reading speed; and duplex settings.;; - Update Poll routine to support packet fragmentation.;; - Add additional support for other sis900 based cards;;********************************************************************; comment the next line out if you don't want debug info printed; on the debug board. This option adds a lot of bytes to the driver; so it's worth to comment it out.; SIS900_DEBUG equ 1;* buffers and descriptorscur_rx db 0NUM_RX_DESC equ 4 ;* Number of RX descriptors *NUM_TX_DESC equ 1 ;* Number of TX descriptors *RX_BUFF_SZ equ 1520 ;* Buffer size for each Rx buffer *TX_BUFF_SZ equ 1516 ;* Buffer size for each Tx buffer *align 4txd: times (3 * NUM_TX_DESC) dd 0rxd: times (3 * NUM_RX_DESC) dd 0txb equ eth_data_startrxb equ txb + (NUM_TX_DESC * TX_BUFF_SZ)SIS900_ETH_ALEN equ 6 ;* Size of Ethernet address *SIS900_ETH_HLEN equ 14 ;* Size of ethernet header *SIS900_ETH_ZLEN equ 60 ;* Minimum packet length *SIS900_DSIZE equ 0x00000fffSIS900_CRC_SIZE equ 4SIS900_RFADDR_shift equ 16;SIS900 Symbolic offsets to registers. SIS900_cr equ 0x0 ; Command Register SIS900_cfg equ 0x4 ; Configuration Register SIS900_mear equ 0x8 ; EEPROM Access Register SIS900_ptscr equ 0xc ; PCI Test Control Register SIS900_isr equ 0x10 ; Interrupt Status Register SIS900_imr equ 0x14 ; Interrupt Mask Register SIS900_ier equ 0x18 ; Interrupt Enable Register SIS900_epar equ 0x18 ; Enhanced PHY Access Register SIS900_txdp equ 0x20 ; Transmit Descriptor Pointer Register SIS900_txcfg equ 0x24 ; Transmit Configuration Register SIS900_rxdp equ 0x30 ; Receive Descriptor Pointer Register SIS900_rxcfg equ 0x34 ; Receive Configuration Register SIS900_flctrl equ 0x38 ; Flow Control Register SIS900_rxlen equ 0x3c ; Receive Packet Length Register SIS900_rfcr equ 0x48 ; Receive Filter Control Register SIS900_rfdr equ 0x4C ; Receive Filter Data Register SIS900_pmctrl equ 0xB0 ; Power Management Control Register SIS900_pmer equ 0xB4 ; Power Management Wake-up Event Register;SIS900 Command Register Bits SIS900_RELOAD equ 0x00000400 SIS900_ACCESSMODE equ 0x00000200 SIS900_RESET equ 0x00000100 SIS900_SWI equ 0x00000080 SIS900_RxRESET equ 0x00000020 SIS900_TxRESET equ 0x00000010 SIS900_RxDIS equ 0x00000008 SIS900_RxENA equ 0x00000004 SIS900_TxDIS equ 0x00000002 SIS900_TxENA equ 0x00000001;SIS900 Configuration Register Bits SIS900_DESCRFMT equ 0x00000100 ; 7016 specific SIS900_REQALG equ 0x00000080 SIS900_SB equ 0x00000040 SIS900_POW equ 0x00000020 SIS900_EXD equ 0x00000010 SIS900_PESEL equ 0x00000008 SIS900_LPM equ 0x00000004 SIS900_BEM equ 0x00000001 SIS900_RND_CNT equ 0x00000400 SIS900_FAIR_BACKOFF equ 0x00000200 SIS900_EDB_MASTER_EN equ 0x00002000;SIS900 Eeprom Access Reigster Bits SIS900_MDC equ 0x00000040 SIS900_MDDIR equ 0x00000020 SIS900_MDIO equ 0x00000010 ; 7016 specific SIS900_EECS equ 0x00000008 SIS900_EECLK equ 0x00000004 SIS900_EEDO equ 0x00000002 SIS900_EEDI equ 0x00000001;SIS900 TX Configuration Register Bits SIS900_ATP equ 0x10000000 ;Automatic Transmit Padding SIS900_MLB equ 0x20000000 ;Mac Loopback Enable SIS900_HBI equ 0x40000000 ;HeartBeat Ignore (Req for full-dup) SIS900_CSI equ 0x80000000 ;CarrierSenseIgnore (Req for full-du;SIS900 RX Configuration Register Bits SIS900_AJAB equ 0x08000000 ; SIS900_ATX equ 0x10000000 ;Accept Transmit Packets SIS900_ARP equ 0x40000000 ;accept runt packets (<64bytes) SIS900_AEP equ 0x80000000 ;accept error packets;SIS900 Interrupt Reigster Bits SIS900_WKEVT equ 0x10000000 SIS900_TxPAUSEEND equ 0x08000000 SIS900_TxPAUSE equ 0x04000000 SIS900_TxRCMP equ 0x02000000 SIS900_RxRCMP equ 0x01000000 SIS900_DPERR equ 0x00800000 SIS900_SSERR equ 0x00400000 SIS900_RMABT equ 0x00200000 SIS900_RTABT equ 0x00100000 SIS900_RxSOVR equ 0x00010000 SIS900_HIBERR equ 0x00008000 SIS900_SWINT equ 0x00001000 SIS900_MIBINT equ 0x00000800 SIS900_TxURN equ 0x00000400 SIS900_TxIDLE equ 0x00000200 SIS900_TxERR equ 0x00000100 SIS900_TxDESC equ 0x00000080 SIS900_TxOK equ 0x00000040 SIS900_RxORN equ 0x00000020 SIS900_RxIDLE equ 0x00000010 SIS900_RxEARLY equ 0x00000008 SIS900_RxERR equ 0x00000004 SIS900_RxDESC equ 0x00000002 SIS900_RxOK equ 0x00000001;SIS900 Interrupt Enable Reigster Bits SIS900_IE equ 0x00000001;SIS900 Revision ID SIS900B_900_REV equ 0x03 SIS630A_900_REV equ 0x80 SIS630E_900_REV equ 0x81 SIS630S_900_REV equ 0x82 SIS630EA1_900_REV equ 0x83 SIS630ET_900_REV equ 0x84 SIS635A_900_REV equ 0x90 SIS900_960_REV equ 0x91;SIS900 Receive Filter Control Register Bits SIS900_RFEN equ 0x80000000 SIS900_RFAAB equ 0x40000000 SIS900_RFAAM equ 0x20000000 SIS900_RFAAP equ 0x10000000 SIS900_RFPromiscuous equ 0x70000000;SIS900 Reveive Filter Data Mask SIS900_RFDAT equ 0x0000FFFF;SIS900 Eeprom Address SIS900_EEPROMSignature equ 0x00 SIS900_EEPROMVendorID equ 0x02 SIS900_EEPROMDeviceID equ 0x03 SIS900_EEPROMMACAddr equ 0x08 SIS900_EEPROMChecksum equ 0x0b;The EEPROM commands include the alway-set leading bit.;SIS900 Eeprom Command SIS900_EEread equ 0x0180 SIS900_EEwrite equ 0x0140 SIS900_EEerase equ 0x01C0 SIS900_EEwriteEnable equ 0x0130 SIS900_EEwriteDisable equ 0x0100 SIS900_EEeraseAll equ 0x0120 SIS900_EEwriteAll equ 0x0110 SIS900_EEaddrMask equ 0x013F SIS900_EEcmdShift equ 16;For SiS962 or SiS963, request the eeprom software access SIS900_EEREQ equ 0x00000400 SIS900_EEDONE equ 0x00000200 SIS900_EEGNT equ 0x00000100;General Varibles SIS900_pci_revision: db 0 SIS900_Status dd 0x03000000sis900_specific_table:; dd SIS630A_900_REV,Get_Mac_SIS630A_900_REV,0; dd SIS630E_900_REV,Get_Mac_SIS630E_900_REV,0 dd SIS630S_900_REV,Get_Mac_SIS635_900_REV,0 dd SIS630EA1_900_REV,Get_Mac_SIS635_900_REV,0 dd SIS630ET_900_REV,Get_Mac_SIS635_900_REV,0;SIS630ET_900_REV_SpecialFN dd SIS635A_900_REV,Get_Mac_SIS635_900_REV,0 dd SIS900_960_REV,SIS960_get_mac_addr,0 dd SIS900B_900_REV,SIS900_get_mac_addr,0 dd 0,0,0,0 ; end of listsis900_get_mac_func: dd 0sis900_special_func: dd 0sis900_table_entries: db 8;***************************************************************************; Function; SIS900_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;not done - still need to probe mii transcievers;***************************************************************************if defined SIS900_DEBUGSIS900_Debug_Str_Unsupported db 'Sorry your card is unsupported ',13,10,0end ifSIS900_probe:;******Wake Up Chip******* mov al, 4 mov bh, [pci_dev] mov ecx, 0 mov ah, [pci_bus] mov bl, 0x40 call pci_write_reg;*******Set some PCI Settings********* call SIS900_adjust_pci_device;*****Get Card Revision****** mov al, 1 ;one byte to read mov bh, [pci_dev] mov ah, [pci_bus] mov bl, 0x08 ;Revision Register call pci_read_reg mov [SIS900_pci_revision], al ;save the revision for later use;****** Look up through the sis900_specific_table mov esi,sis900_specific_table.probe_loop: cmp dword [esi],0 ; Check if we reached end of the list je .probe_loop_failed cmp al,[esi] ; Check if revision is OK je .probe_loop_ok add esi,12 ; Advance to next entry jmp .probe_loop.probe_loop_failed: jmp SIS900_Probe_Unsupported;*********Find Get Mac Function*********.probe_loop_ok: mov eax,[esi+4] ; Get pointer to "get MAC" function mov [sis900_get_mac_func],eax mov eax,[esi+8] ; Get pointer to special initialization fn mov [sis900_special_func],eax;******** Get MAC ******** call dword [sis900_get_mac_func];******** Call special initialization fn if requested ******** cmp dword [sis900_special_func],0 je .no_special_init call dword [sis900_special_func].no_special_init:;******** Set table entries ******** mov al,[SIS900_pci_revision] cmp al,SIS635A_900_REV jae .ent16 cmp al,SIS900B_900_REV je .ent16 jmp .ent8.ent16: mov byte [sis900_table_entries],16.ent8:;*******Probe for mii transceiver*******;TODO!!*********************;*******Initialize Device******* call sis900_init ret SIS900_Probe_Unsupported:if defined SIS900_DEBUG mov esi, SIS900_Debug_Str_Unsupported call sys_msg_board_strend if ret;***************************************************************************; Function: sis900_init;; Description: resets the ethernet controller chip and various; data structures required for sending and receiving packets.;; Arguments:;; returns: none;not done;***************************************************************************sis900_init: call SIS900_reset ;Done call SIS900_init_rxfilter ;Done call SIS900_init_txd ;Done call SIS900_init_rxd ;Done call SIS900_set_rx_mode ;done call SIS900_set_tx_mode ;call SIS900_check_mode ret ;***************************************************************************; Function; SIS900_reset; Description; disables interrupts and soft resets the controller chip;;done+;***************************************************************************if defined SIS900_DEBUG SIS900_Debug_Reset_Failed db 'Reset Failed ',0end ifSIS900_reset: ;******Disable Interrupts and reset Receive Filter******* mov ebp, [io_addr] ; base address xor eax, eax ; 0 to initialize lea edx,[ebp+SIS900_ier] out dx, eax ; Write 0 to location lea edx,[ebp+SIS900_imr] out dx, eax ; Write 0 to location lea edx,[ebp+SIS900_rfcr] out dx, eax ; Write 0 to location ;*******Reset Card*********************************************** lea edx,[ebp+SIS900_cr] in eax, dx ; Get current Command Register or eax, SIS900_RESET ; set flags or eax, SIS900_RxRESET ; or eax, SIS900_TxRESET ; out dx, eax ; Write new Command Register ;*******Wait Loop************************************************ lea edx,[ebp+SIS900_isr] mov ecx, [SIS900_Status] ; Status we would like to see from card mov ebx, 2001 ; only loop 1000 timesSIS900_Wait: dec ebx ; 1 less loop jz SIS900_DoneWait_e ; 1000 times yet? in eax, dx ; move interrup status to eax and eax, ecx xor ecx, eax jz SIS900_DoneWait jmp SIS900_WaitSIS900_DoneWait_e:if defined SIS900_DEBUG mov esi, SIS900_Debug_Reset_Failed call sys_msg_board_strend ifSIS900_DoneWait: ;*******Set Configuration Register depending on Card Revision******** lea edx,[ebp+SIS900_cfg] mov eax, SIS900_PESEL ; Configuration Register Bit mov bl, [SIS900_pci_revision] ; card revision mov cl, SIS635A_900_REV ; Check card revision cmp bl, cl je SIS900_RevMatch mov cl, SIS900B_900_REV ; Check card revision cmp bl, cl je SIS900_RevMatch out dx, eax ; no revision match jmp SIS900_Reset_CompleteSIS900_RevMatch: ; Revision match or eax, SIS900_RND_CNT ; Configuration Register Bit out dx, eaxSIS900_Reset_Complete:⌨️ 快捷键说明
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