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Initial commit of 1.11 source as released by PC Engines
Original source https://www.pcengines.ch/file/wbios111s.zip
This commit is contained in:
Steve Howes
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;
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; TinyBIOS, configured for National SC1100, PC Engines WRAP board
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;
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; (C)1998-2003 Pascal Dornier / PC Engines; All rights reserved.
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;
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; v1.11
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; pd 051108 extend PCI reset pulse width
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;
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; v1.10
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; pd 050625 add option for slower DRAM clock
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;
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; v1.09
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; pd 050521 allow USB also for WRAP.2C (will add on WRAP.2D)
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; some customers use this for timing.
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;
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; v1.08
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; pd 050502 be less picky about IDE device IDs
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; disable IR UART
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;
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; v1.07
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; pd 050417 add delay on warm start (protect CF integrity)
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; add serial console disable option
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;
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; v1.06
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; pd 050227 fix serial port configuration; neutral message on
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; WRAP setup; add PXE configuration option;
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; Int 15 function E820 memory map.
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; disable COM2 IR UART.
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;
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; v1.05
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; pd 041021 add platform ID at end of flash
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; pd 041011 fix PMR setting for GPIO14 (DOGFOOD pin)
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;
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; v1.04
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; pd 040817 add support for 39VF020/39VF040 flash
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;
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; v1.03
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; pd 040705 Configure latency + line size on ALL slots (incl. 68).
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;
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; start offset
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STARTOFS equ 09000 ;start offset, must be multiple of 256
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CFG_OFS equ 08000 ;start of config block
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db STARTOFS dup 0 ;(start data cut out by BIOSSUM.EXE)
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#if def CFG_OFS
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include wrap_cfg.8 ;include config offsets
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#endif
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; platform specific options
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;&&&PCI_WAIT: ;add PCI startup delay
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WRAP2A: ;select new interrupt mapping
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WRAP: ;select WRAP platform
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ROM_BEG equ 0c800 ;start of option ROM scan
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ROM_END equ 0f000 ;end of option ROM scan
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PCI_NORST equ 090 ;don't reset 5530
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PCI_NORST2 equ 098 ;don't reset USB
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PCI_NORST3 equ 000 ;don't reset GX1
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; PCI options
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INTA equ 9 ;PCI interrupt assignment
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INTB equ 10 ;also see PCI_TAB
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INTC equ 11
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INTD equ 12
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INT0 equ 0ff ;no interrupt assigned
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; general options
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;BOOTBEEP: ;enables beep on bootup
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;DEBUG: ;debug mode (Int 13 trace etc).
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;QUICKMEM: ;no memory test (fill only)
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MTEST_1PASS: ;quicker memory test (1 pass)
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; hard disk, boot options
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FORCE_LBA equ 1024 ;use LBA if more than x cylinders
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;BOOT_AC: ;Boot A: first, then C:
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;comment out for C: then A:
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;HD_WAIT equ 20 ;Hard disk wait, max. x seconds
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;HD_ENA equ 0 ;don't check HDD status before x seconds
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HD_INFO: ;display hard disk info
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HDD_LOOSE: ;don't be picky about device ID
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HDD_EDD: ;enable EDD support
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HDD_LBA: ;enable LBA support
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HDD_NOSLAVE: ;don't look (and wait) for slave device
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;HD_TIME equ 080 ;commented out = HDD power down disabled
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;0 = code included, but no timeout
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;1..240 = timeout x * 5 s units
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;241..251 = timeout (x-240)*30 min
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; keyboard options
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NO_KBC: ;don't fail if KBC not present
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INT15_24: ;option: A20 gate functions
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;LED_UPDATE: ;Define to enable keyboard LED updates
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;(NumLock, CapsLock, ScrollLock).
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;Not recommended for real-time apps.
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; serial port options
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CONSOLE equ 03F8 ;serial port for console = COM1
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CONRATE equ 12 ;default baudrate
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;3 = 38400, 12 = 9600 - override by
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;CFG_BAUD
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CONINT equ 4 ;interrupt for console
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COM_NO2400: ;prevent DOS 2400 baud setting...
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;
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; Signon prompt (must be at start of binary, 4KB step,
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; for patch utility to work)
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;
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copysig: db "##" ;
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copysum: db 0 ;checksum
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copyrt: db "PC Engines WRAP.2B/2C v1.11",13,10,0
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db copysig+256-$ dup (0) ;pad to 256 byte limit
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include ..\message.8
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;
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; Include files
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;
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include ..\equ.8 ;general equates
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include gxm.8 ;SC1200 chipset / system specific code
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#if def DRAMOPT
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include sdramopt.8 ;SC1200 SDRAM timing optimization
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include i2c.8 ;SC1200 I2C routines
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#endif
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include sio.8 ;super I/O initialization
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include post.8 ;POST / local modifications
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include ..\post2.8 ;POST routines
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include ..\debug.8 ;Debug routines, comment out
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include ..\vid.8 ;video BIOS
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include ..\int1x.8 ;miscellaneous interrupts
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include ..\fdd.8 ;floppy BIOS
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include ..\hdd.8 ;hard disk BIOS
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include ..\com.8 ;serial BIOS
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include ..\kbd.8 ;keyboard BIOS
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include ..\kbtab.8 ;keyboard table
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include ..\lpt.8 ;printer BIOS
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include ..\rtc.8 ;timer / RTC BIOS
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include ..\pci.8 ;PCI BIOS
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include ..\pcipnp.8 ;PCI plug & play
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#if def PS2MOUSE
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include ..\ps2mous.8 ;PS/2 mouse BIOS
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#endif
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#if def CFG_OFS
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include wrap_set.8 ;WRAP setup module
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include wrap_xm.8 ;WRAP xmodem module
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#endif
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;
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; OEM decision: verify diagnostic flags to decide
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; whether to boot or display error messages
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;
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decide: mov dx,GPIOBASE+0 ;GPDO0 GPIO out 0 sc196
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in eax,dx
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or eax,040008 ;turn off LED2/G3 and LED3/G18
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out dx,eax
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mov dx,LPCBASE+010 ;LAD_EN LPC address enable sc204
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in eax,dx
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and eax,07FFF ;disable LPC flash
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out dx,eax
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mov ax,04008 ;PCI latency, cache line size
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mov ebx,08000680C ;set for miniPCI + LAN
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decide2: call pci_setw ;pd 040705 fix
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inc bh
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cmp bh,090
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jb decide2
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#if def wrap_set
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call wrap_set
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#endif
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ret
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;
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; BIOS writeable configuration data
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;
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include ..\data.8
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;
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; INT 1A legacy entry point
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;
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db (0fe6e-$) dup 0ffh ;explicitly documented in the
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jmp int1a ;PCI BIOS spec.
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;
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; PCI interrupt assignment table
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;
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PCI_TAB: db INT0,INT0,INT0,INT0 ;00 north bridge
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db INT0,INT0,INT0,INT0 ;08
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db INT0,INT0,INT0,INT0 ;10
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db INT0,INT0,INT0,INT0 ;18
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db INT0,INT0,INT0,INT0 ;20
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db INT0,INT0,INT0,INT0 ;28
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db INT0,INT0,INT0,INT0 ;30
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db INT0,INT0,INT0,INT0 ;38
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db INT0,INT0,INT0,INT0 ;40
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db INT0,INT0,INT0,INT0 ;48
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db INT0,INT0,INT0,INT0 ;50
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db INT0,INT0,INT0,INT0 ;58
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db INT0,INT0,INT0,INT0 ;60
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#if def WRAP2A
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db INTD,INTA,INT0,INT0 ;68 AD23 miniPCI J6
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db INTB,INT0,INT0,INT0 ;70 AD24 LAN U13
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db INTA,INT0,INT0,INT0 ;78 AD25 LAN U12
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db INTC,INT0,INT0,INT0 ;80 AD26 LAN U11
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db INTA,INTD,INT0,INT0 ;88 AD27 miniPCI J5
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#else
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db INT0,INT0,INT0,INT0 ;68
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db INTD,INTA,INT0,INT0 ;70 AD24 miniPCI J6
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db INTB,INT0,INT0,INT0 ;78 AD25 LAN U12
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db INTC,INT0,INT0,INT0 ;80 AD26 LAN U11
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db INTA,INTD,INT0,INT0 ;88 AD27 miniPCI J5
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#endif
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db INTA,INTB,INTC,INTD ;90 AD28 south bridge
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db INTA,INTB,INTC,INTD ;98 AD29 USB
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db INT0,INT0,INT0,INT0 ;remaining devices
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pci_tab9: ;end of table
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include ..\tables.8 ;ISA initialization tables
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safeorg 0ffd0
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db "PC Engines WRAP.2",0
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include ..\reset.8 ;reset vector
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