mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-25 08:06:49 +03:00
Updated i8255x driver. Works but has some holes, uses only one receive descriptor. Use with caution.
git-svn-id: svn://kolibrios.org@3206 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
parent
c4c2da3caa
commit
49fed632cc
@ -10,8 +10,10 @@
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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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;; Good read about how to program this family of devices: ;;
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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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@ -44,25 +46,13 @@ virtual at ebx
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ETH_DEVICE
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.io_addr dd ?
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.pci_bus db ?
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.pci_dev db ?
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.pci_bus dd ?
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.pci_dev dd ?
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.irq_line db ?
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.rx_buffer dd ?
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.tx_buffer dd ?
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.rx_desc dd ?
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.ee_bus_width dd ?
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rb 0x100 - (($ - device) and 0xff)
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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 dd ?
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.ee_bus_width db ?
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rb 0x100 - (($ - device) and 0xff)
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@ -72,17 +62,16 @@ virtual at ebx
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.link dd ?
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.tx_desc_addr dd ?
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.count dd ?
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.tx_buf_addr0 dd ?
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.tx_buf_size0 dd ?
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.tx_buf_addr1 dd ?
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.tx_buf_size1 dd ?
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rb 0x100 - (($ - device) and 0xff)
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confcmd:
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.status: dw ?
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.command: dw ?
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.link: dd ?
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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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rb 0x100 - (($ - device) and 0xff)
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@ -106,18 +95,36 @@ virtual at ebx
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rx_colls_errs dd ?
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rx_runt_errs dd ?
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last_tx_buffer dd ? ;;; fixme
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sizeof.device_struct = $ - device
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end virtual
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virtual at 0
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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:
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end virtual
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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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@ -128,7 +135,7 @@ 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 to add CU commands.
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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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@ -141,8 +148,8 @@ 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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CmdTx = 0x0004
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CmdTxFlex = 0x0008
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Cmdsuspend = 0x4000
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@ -150,23 +157,22 @@ 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_ctrl = 12
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reg_eeprom = 14
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reg_mdi_ctrl = 16
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macro delay {
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push eax
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in eax, dx
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in eax, dx
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in eax, dx
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in eax, dx
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in eax, dx
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in eax, dx
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in eax, dx
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in eax, dx
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in eax, dx
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in eax, 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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in ax, dx
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pop eax
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}
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@ -247,8 +253,11 @@ proc service_proc stdcall, ioctl:dword
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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 ax , word [device.pci_bus] ; compare with pci and device num in device list (notice the usage of word instead of byte)
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cmp al, byte[device.pci_bus]
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jne @f
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cmp ah, byte[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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@ -272,27 +281,27 @@ proc service_proc stdcall, ioctl:dword
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; save the pci bus and device numbers
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mov eax, [IOCTL.input]
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mov cl, [eax+1]
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mov [device.pci_bus], cl
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mov cl, [eax+2]
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mov [device.pci_dev], cl
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movzx ecx, byte[eax+1]
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mov [device.pci_bus], ecx
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movzx ecx, byte[eax+2]
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mov [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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find_io [device.pci_bus], [device.pci_dev], [device.io_addr]
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PCI_find_io
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; We've found the io address, find IRQ now
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find_irq [device.pci_bus], [device.pci_dev], [device.irq_line]
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PCI_find_irq
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DEBUGF 2,"Hooking into device, dev:%x, bus:%x, irq:%x, addr:%x\n",\
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[device.pci_dev]:1,[device.pci_bus]:1,[device.irq_line]:1,[device.io_addr]:4
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allocate_and_clear [device.rx_buffer], (4096), .err
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allocate_and_clear [device.tx_buffer], (4096), .err
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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 until 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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@ -301,6 +310,7 @@ proc service_proc stdcall, ioctl:dword
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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 [device.type], NET_TYPE_ETH
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call NetRegDev
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@ -323,8 +333,6 @@ proc service_proc stdcall, ioctl:dword
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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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stdcall KernelFree, [device.rx_buffer]
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stdcall KernelFree, [device.tx_buffer]
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stdcall KernelFree, ebx
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.fail:
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@ -370,14 +378,12 @@ probe:
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DEBUGF 1,"Probing i8255x\n"
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make_bus_master [device.pci_bus], [device.pci_dev]
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PCI_make_bus_master
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;---------------------------
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; First, identify the device
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movzx ecx, [device.pci_bus]
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movzx edx, [device.pci_dev]
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stdcall PciRead32, ecx ,edx ,0 ; get device/vendor id
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stdcall PciRead32, [device.pci_bus], [device.pci_dev], PCI_VENDOR_ID ; get device/vendor id
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DEBUGF 1,"Vendor_id=0x%x\n", ax
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@ -416,6 +422,18 @@ probe:
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align 4
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reset:
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movzx eax, [device.irq_line]
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DEBUGF 1,"Attaching int handler to irq %x\n", eax:1
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stdcall AttachIntHandler, eax, int_handler, dword 0
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test eax, eax
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jnz @f
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DEBUGF 1,"\nCould 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 %s\n", my_service
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;---------------
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; reset the card
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@ -432,6 +450,7 @@ reset:
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lea eax, [lstats]
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GetRealAddr
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set_io 0
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set_io reg_scb_ptr
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out dx, eax
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@ -441,70 +460,36 @@ reset:
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call cmd_wait
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;-----------------
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; Set CU base to 0
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; setup RX
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set_io reg_scb_ptr
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xor eax, eax
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set_io reg_scb_ptr
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out dx, eax
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set_io reg_scb_cmd
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mov ax, INT_MASK + RX_ADDR_LOAD
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set_io 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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; build rxfd structure
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;-----------------------------
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; Create RX and TX descriptors
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mov ax, 0x0001
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mov [rxfd.status], ax
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mov ax, 0x0000
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mov [rxfd.command], ax
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call create_ring
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lea eax, [rxfd.status]
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GetRealAddr
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mov [rxfd.link], eax
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lea eax, [device.rx_buffer]
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GetRealAddr
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mov [rxfd.rx_buf_addr], eax
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xor ax, ax
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mov [rxfd.count], ax
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mov ax, 1528
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mov [rxfd.size], ax
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;-------------------------------
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; Set ptr to first command block
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; RX start
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set_io 0
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set_io reg_scb_ptr
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lea eax, [rxfd]
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mov eax, [device.rx_desc]
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GetRealAddr
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out dx, eax
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set_io reg_scb_cmd
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mov ax, INT_MASK + RX_START
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set_io 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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; start the receiver
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mov [rxfd.status], 0
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mov [rxfd.command], 0xc000
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set_io reg_scb_ptr
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lea eax, [rxfd]
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GetRealAddr
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out dx, eax
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set_io reg_scb_cmd
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mov ax, INT_MASK + RX_START
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out dx, ax
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call cmd_wait
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;-----------------
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; set CU base to 0
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; Set-up TX
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set_io reg_scb_ptr
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xor eax, eax
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@ -515,10 +500,25 @@ reset:
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out dx, ax
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call cmd_wait
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;--------------------
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; Set TX Base address
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; --------------------
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; First, set up confcmd values
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mov [confcmd.command], CmdConfigure + Cmdsuspend
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mov [confcmd.status], 0
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lea eax, [txfd]
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GetRealAddr
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mov [confcmd.link], eax
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mov esi, confcmd_data
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lea edi, [confcmd.data]
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mov ecx, 22
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rep movsb
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mov byte[confcmd.data + 1], 0x88 ; fifo of 8 each
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mov byte[confcmd.data + 4], 0
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mov byte[confcmd.data + 5], 0x80
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mov byte[confcmd.data + 15], 0x48
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mov byte[confcmd.data + 19], 0x80
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mov byte[confcmd.data + 21], 0x05
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mov [txfd.command], CmdIASetup
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mov [txfd.status], 0
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@ -526,46 +526,74 @@ reset:
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GetRealAddr
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mov [txfd.link], eax
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mov word [confcmd.command], Cmdsuspend + CmdConfigure
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mov word [confcmd.status], 0
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;;; copy in our MAC
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lea edi, [txfd.tx_desc_addr]
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lea esi, [device.mac]
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movsd
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movsw
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set_io reg_scb_ptr
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lea eax, [txfd]
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GetRealAddr
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mov [confcmd.link], eax
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mov byte [confcmd.data + 1], 0x88 ; fifo of 8 each
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mov byte [confcmd.data + 4], 0
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mov byte [confcmd.data + 5], 0x80
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mov byte [confcmd.data + 15], 0x48
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mov byte [confcmd.data + 19], 0x80
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mov byte [confcmd.data + 21], 0x05
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; CU start
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; lea eax, [txfd]
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; GetRealAddr
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set_io 0
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set_io reg_scb_ptr
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out dx, eax
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mov ax, INT_MASK + CU_START
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; Start CU & enable ints
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set_io 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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; wait for thing to start
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;-----------------------
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; build txfd structure (again!)
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; drp004:
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;
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; cmp [txfd.status], 0
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; jz drp004
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lea eax, [txfd]
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GetRealAddr
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mov [txfd.link], eax
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mov [txfd.count], 0x02208000
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lea eax, [txfd.tx_buf_addr0]
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GetRealAddr
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mov [txfd.tx_desc_addr], eax
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; Indicate that we have successfully reset the card
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DEBUGF 1,"Resetting %s complete\n", my_service
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;;; enable interrupts
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mov [device.mtu], 1514
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xor eax, eax ; indicate that we have successfully reset the card
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xor eax, eax
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ret
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align 4
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create_ring:
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DEBUGF 1,"Creating ring\n"
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;---------------------
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; build rxfd structure
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stdcall KernelAlloc, 2000
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mov [device.rx_desc], eax
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mov esi, eax
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GetRealAddr
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mov [esi + rxfd.status], 0x0000
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mov [esi + rxfd.command], 0x0000
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mov [esi + rxfd.link], eax
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mov [esi + rxfd.count], 0
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mov [esi + rxfd.size], 1528
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;-----------------------
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; build txfd structure
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lea eax, [txfd]
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GetRealAddr
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mov [txfd.link], eax
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mov [txfd.count], 0x02208000
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lea eax, [txfd.tx_buf_addr0]
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GetRealAddr
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mov [txfd.tx_desc_addr], eax
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ret
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@ -586,62 +614,61 @@ reset:
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align 4
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transmit:
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DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n",[esp+4],[esp+8]
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DEBUGF 1,"Transmitting packet, buffer:%x, size:%u\n", [esp+4], [esp+8]
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mov eax, [esp+4]
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DEBUGF 1,"To: %x-%x-%x-%x-%x-%x From: %x-%x-%x-%x-%x-%x Type:%x%x\n",\
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[eax+00]:2,[eax+01]:2,[eax+02]:2,[eax+03]:2,[eax+04]:2,[eax+05]:2,\
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[eax+06]:2,[eax+07]:2,[eax+08]:2,[eax+09]:2,[eax+10]:2,[eax+11]:2,\
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[eax+13]:2,[eax+12]:2
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cmp dword [esp+8], 1500
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cmp dword [esp+8], 1514
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ja .error ; packet is too long
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cmp dword [esp+8], 60
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jb .error ; packet is too short
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set_io 0
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in ax, dx
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and ax, 0xfc00
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out dx, ax
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mov [txfd.status], 0
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mov [txfd.command], Cmdsuspend + CmdTx + CmdTxFlex
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lea eax, [txfd]
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GetRealAddr
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mov [txfd.link], eax
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mov [txfd.count], 0x02208000
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lea eax, [txfd.tx_buf_addr0]
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GetRealAddr
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mov [txfd.tx_desc_addr], eax
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;;; TODO: check if current descriptor is in use
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; fill in buffer address and size
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mov eax, [esp+4]
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mov [last_tx_buffer], eax ;;; FIXME
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GetRealAddr
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mov [txfd.tx_buf_addr0], eax
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mov eax, [esp+8]
|
||||
mov [txfd.tx_buf_size0], eax
|
||||
|
||||
; Copy the buffer address and size in
|
||||
mov [txfd.tx_buf_addr1], 0
|
||||
mov [txfd.tx_buf_size1], 0
|
||||
mov [txfd.status], 0
|
||||
mov [txfd.command], Cmdsuspend + CmdTx + CmdTxFlex + 1 shl 15 ;;; EL bit
|
||||
|
||||
; mov [txfd.count], 0x02208000 ;;;;;;;;;;;
|
||||
|
||||
; Inform device of the new/updated transmit descriptor
|
||||
lea eax, [txfd]
|
||||
GetRealAddr
|
||||
set_io 0
|
||||
set_io reg_scb_ptr
|
||||
out dx, eax
|
||||
|
||||
mov ax, INT_MASK + CU_START
|
||||
; Start the transmit
|
||||
mov ax, CU_START
|
||||
set_io reg_scb_cmd
|
||||
out dx, ax
|
||||
|
||||
call cmd_wait
|
||||
|
||||
in ax, dx
|
||||
; set_io 0 ;; why?
|
||||
; in ax, dx ;;
|
||||
;
|
||||
; @@:
|
||||
; cmp [txfd.status], 0 ; wait for completion? dont seems a good idea to me..
|
||||
; je @r
|
||||
;
|
||||
; set_io 0 ;; why?
|
||||
; in ax, dx ;;
|
||||
|
||||
.I8t_001:
|
||||
cmp [txfd.status], 0
|
||||
je .I8t_001
|
||||
; Update stats
|
||||
inc [device.packets_tx]
|
||||
mov eax, [esp + 8]
|
||||
add dword [device.bytes_tx], eax
|
||||
adc dword [device.bytes_tx + 4], 0
|
||||
|
||||
in ax, dx
|
||||
|
||||
.finish:
|
||||
xor eax, eax
|
||||
ret 8
|
||||
|
||||
@ -670,7 +697,7 @@ int_handler:
|
||||
.nextdevice:
|
||||
mov ebx, [esi]
|
||||
|
||||
set_io 0
|
||||
; set_io 0 ; reg_scb_status = 0
|
||||
set_io reg_scb_status
|
||||
in ax, dx
|
||||
out dx, ax ; send it back to ACK
|
||||
@ -685,52 +712,82 @@ int_handler:
|
||||
|
||||
.got_it:
|
||||
|
||||
DEBUGF 1,"Device: %x Status: %x ", ebx, ax
|
||||
DEBUGF 1,"Device: %x Status: %x\n", ebx, ax
|
||||
|
||||
;;; receive
|
||||
test ax, 1 shl 14 ; did we receive a frame?
|
||||
jz .no_rx
|
||||
|
||||
cmp [rxfd.status], 0
|
||||
push ax
|
||||
|
||||
DEBUGF 1,"Receiving\n"
|
||||
|
||||
push ebx
|
||||
.rx_loop:
|
||||
pop ebx
|
||||
|
||||
mov esi, [device.rx_desc]
|
||||
cmp [esi + rxfd.status], 0 ; we could also check bits C and OK (bit 15 and 13)
|
||||
je .nodata
|
||||
|
||||
mov [rxfd.status], 0
|
||||
mov [rxfd.command], 0xc000
|
||||
DEBUGF 1,"rxfd status=0x%x\n", [esi + rxfd.status]:4
|
||||
|
||||
set_io reg_scb_ptr
|
||||
lea eax, [rxfd.status]
|
||||
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 [device.bytes_rx], ecx
|
||||
adc dword [device.bytes_rx + 4], 0
|
||||
inc dword [device.packets_rx]
|
||||
|
||||
; allocate new descriptor
|
||||
|
||||
stdcall KernelAlloc, 2000
|
||||
mov [device.rx_desc], eax
|
||||
mov esi, eax
|
||||
GetRealAddr
|
||||
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 0
|
||||
set_io reg_scb_ptr
|
||||
; lea eax, [device.rx_desc]
|
||||
; GetRealAddr
|
||||
out dx, eax
|
||||
|
||||
set_io reg_scb_cmd
|
||||
mov ax, INT_MASK + RX_START
|
||||
mov ax, RX_START
|
||||
out dx, ax
|
||||
|
||||
call cmd_wait
|
||||
|
||||
movzx ecx, [rxfd.count]
|
||||
and ecx, 0x3fff
|
||||
|
||||
stdcall KernelAlloc, ecx ; Allocate a buffer to put packet into
|
||||
push ecx
|
||||
push eax
|
||||
|
||||
lea esi, [device.rx_buffer]
|
||||
|
||||
.copy:
|
||||
shr ecx, 1
|
||||
jnc .nb
|
||||
movsb
|
||||
.nb:
|
||||
shr ecx, 1
|
||||
jnc .nw
|
||||
movsw
|
||||
.nw:
|
||||
jz .nd
|
||||
rep movsd
|
||||
.nd:
|
||||
; And give packet to kernel
|
||||
|
||||
jmp Eth_input
|
||||
|
||||
.nodata:
|
||||
DEBUGF 1, "no more data\n"
|
||||
pop ax
|
||||
|
||||
.no_rx:
|
||||
|
||||
; Cleanup after TX
|
||||
|
||||
cmp [last_tx_buffer], 0
|
||||
je .done
|
||||
stdcall KernelFree, [last_tx_buffer]
|
||||
mov [last_tx_buffer], 0
|
||||
|
||||
.done:
|
||||
.fail:
|
||||
|
||||
ret
|
||||
@ -755,6 +812,8 @@ cmd_wait:
|
||||
align 4
|
||||
ee_read: ; esi = address to read
|
||||
|
||||
DEBUGF 1,"Eeprom read from 0x%x", esi
|
||||
|
||||
set_io 0
|
||||
set_io reg_eeprom
|
||||
|
||||
@ -762,28 +821,32 @@ ee_read: ; esi = address to read
|
||||
; Prepend start bit + read opcode to the address field
|
||||
; and shift it to the very left bits of esi
|
||||
|
||||
mov ecx, 32
|
||||
sub ecx, [device.ee_bus_width]
|
||||
mov cl, 29
|
||||
sub cl, [device.ee_bus_width]
|
||||
shl esi, cl
|
||||
or esi, EE_READ shl 28
|
||||
or esi, EE_READ shl 29
|
||||
|
||||
mov ecx, [device.ee_bus_width]
|
||||
movzx ecx, [device.ee_bus_width]
|
||||
add ecx, 3
|
||||
|
||||
mov al, EE_CS
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
;-----------------------
|
||||
; Write this to the chip
|
||||
|
||||
.loop:
|
||||
mov eax, EE_CS
|
||||
mov al, EE_CS + EE_SK
|
||||
shl esi, 1
|
||||
jnc @f
|
||||
or eax, EE_DI
|
||||
or al, EE_DI
|
||||
@@:
|
||||
out dx , eax
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
or eax, EE_SK
|
||||
out dx , eax
|
||||
and al, not EE_SK
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
loop .loop
|
||||
@ -795,19 +858,19 @@ ee_read: ; esi = address to read
|
||||
mov ecx, 16
|
||||
|
||||
.loop2:
|
||||
mov eax, EE_CS + EE_SK
|
||||
out dx , eax
|
||||
shl esi, 1
|
||||
mov al, EE_CS + EE_SK
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
in eax, dx
|
||||
test eax, EE_DO
|
||||
in al, dx
|
||||
test al, EE_DO
|
||||
jz @f
|
||||
inc esi
|
||||
@@:
|
||||
shl esi, 1
|
||||
|
||||
mov eax, EE_CS
|
||||
out dx , eax
|
||||
mov al, EE_CS
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
loop .loop2
|
||||
@ -815,11 +878,11 @@ ee_read: ; esi = address to read
|
||||
;-----------------------
|
||||
; de-activate the eeprom
|
||||
|
||||
xor eax, eax
|
||||
out dx, eax
|
||||
xor ax, ax
|
||||
out dx, ax
|
||||
|
||||
|
||||
DEBUGF 1,"data=%x\n", esi
|
||||
DEBUGF 1,"=0x%x\n", esi:4
|
||||
ret
|
||||
|
||||
|
||||
@ -827,6 +890,8 @@ ee_read: ; esi = address to read
|
||||
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 0
|
||||
set_io reg_eeprom
|
||||
|
||||
@ -834,28 +899,31 @@ ee_write: ; esi = address to write to, di = data
|
||||
; Prepend start bit + write opcode to the address field
|
||||
; and shift it to the very left bits of esi
|
||||
|
||||
mov ecx, 32
|
||||
sub ecx, [device.ee_bus_width]
|
||||
mov cl, 29
|
||||
sub cl, [device.ee_bus_width]
|
||||
shl esi, cl
|
||||
or esi, EE_WRITE shl 28
|
||||
or esi, EE_WRITE shl 29
|
||||
|
||||
mov ecx, [device.ee_bus_width]
|
||||
movzx ecx, [device.ee_bus_width]
|
||||
add ecx, 3
|
||||
|
||||
mov al, EE_CS ; enable chip
|
||||
out dx, al
|
||||
|
||||
;-----------------------
|
||||
; Write this to the chip
|
||||
|
||||
.loop:
|
||||
mov eax, EE_CS
|
||||
mov al, EE_CS + EE_SK
|
||||
shl esi, 1
|
||||
jnc @f
|
||||
or eax, EE_DI
|
||||
or al, EE_DI
|
||||
@@:
|
||||
out dx , eax
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
or eax, EE_SK
|
||||
out dx , eax
|
||||
and al, not EE_SK
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
loop .loop
|
||||
@ -866,16 +934,16 @@ ee_write: ; esi = address to write to, di = data
|
||||
mov ecx, 16
|
||||
|
||||
.loop2:
|
||||
mov eax, EE_CS
|
||||
shl di , 1
|
||||
mov al, EE_CS + EE_SK
|
||||
shl di, 1
|
||||
jnc @f
|
||||
or eax, EE_DI
|
||||
or al, EE_DI
|
||||
@@:
|
||||
out dx , eax
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
or eax, EE_SK
|
||||
out dx , eax
|
||||
and al, not EE_SK
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
loop .loop2
|
||||
@ -883,8 +951,8 @@ ee_write: ; esi = address to write to, di = data
|
||||
;-----------------------
|
||||
; de-activate the eeprom
|
||||
|
||||
xor eax, eax
|
||||
out dx, eax
|
||||
xor al, al
|
||||
out dx, al
|
||||
|
||||
|
||||
ret
|
||||
@ -894,28 +962,47 @@ ee_write: ; esi = address to write to, di = data
|
||||
align 4
|
||||
ee_get_width:
|
||||
|
||||
; DEBUGF 1,"Eeprom get width\n"
|
||||
|
||||
set_io 0
|
||||
set_io reg_eeprom
|
||||
|
||||
mov si, EE_READ shl 12
|
||||
xor ecx, ecx
|
||||
.loop:
|
||||
mov ax, EE_CS
|
||||
out dx, ax
|
||||
mov al, EE_CS ; activate eeprom
|
||||
out dx, al
|
||||
delay
|
||||
|
||||
or ax, EE_SK
|
||||
out dx, ax
|
||||
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
|
||||
|
||||
in ax, dx
|
||||
test ax, EE_DO
|
||||
cmp ecx, 15
|
||||
jae .give_up
|
||||
|
||||
in al, dx
|
||||
test al, EE_DO
|
||||
jnz .loop
|
||||
|
||||
mov [device.ee_bus_width], ecx
|
||||
DEBUGF 1,"ee width=%u\n", ecx
|
||||
.give_up:
|
||||
xor al, al
|
||||
out dx, al ; de-activate eeprom
|
||||
|
||||
sub cl, 3 ; dont count the opcode bits
|
||||
|
||||
mov [device.ee_bus_width], cl
|
||||
DEBUGF 1,"Eeprom width=%u bit\n", ecx
|
||||
|
||||
|
||||
;-----------------------
|
||||
@ -936,6 +1023,8 @@ ee_get_width:
|
||||
align 4
|
||||
mdio_read:
|
||||
|
||||
DEBUGF 1,"MDIO read\n"
|
||||
|
||||
shl ecx, 21 ; PHY addr
|
||||
shl edx, 16 ; PHY reg addr
|
||||
|
||||
@ -964,6 +1053,8 @@ mdio_read:
|
||||
align 4
|
||||
mdio_write:
|
||||
|
||||
DEBUGF 1,"MDIO write\n"
|
||||
|
||||
and eax, 0xffff
|
||||
|
||||
shl ecx, 21 ; PHY addr
|
||||
@ -996,15 +1087,15 @@ MAC_read_eeprom:
|
||||
|
||||
mov esi, 0
|
||||
call ee_read
|
||||
mov word[device.mac], si
|
||||
|
||||
mov esi, 1
|
||||
call ee_read
|
||||
mov word[device.mac+2], si
|
||||
|
||||
mov esi, 14
|
||||
call ee_read
|
||||
|
||||
mov esi, 5
|
||||
mov esi, 2
|
||||
call ee_read
|
||||
mov word[device.mac+4], si
|
||||
|
||||
|
||||
ret
|
||||
@ -1026,8 +1117,12 @@ align 4 ; Place all initialised data her
|
||||
|
||||
devices dd 0 ; number of currently running devices
|
||||
version dd (DRIVER_VERSION shl 16) or (API_VERSION and 0xFFFF)
|
||||
my_service db 'i8255x',0 ; max 16 chars include zero
|
||||
devicename db 'Intel Etherexpress pro/100',0
|
||||
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:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user