With this update I can get the keyboard, HD, VGA
and DiscOnChip (on ISA adapter working). Don't know
why the damn floppy doesn't work but I won't have more
time for this until maybe tomorrow night.
-----part-of-csc-setup.s---Se-previous-messages--------
SC400RegInit:
dw 0xAB00 ;Configure 2 banks of DRAM:32 bit, EDO, 2mb depth
dw 0xAB01
dw 0x5C04 ;Set DRAM timing as slow as possible
dw 0x4005 ;Enable refresh, use 32khz osc for refresh
db 0x21, %0001000 ;!E000, !D000, !C000.
db 0x32, %00000000 ;MMSA addr.
db 0x33, %00001000 ;MMSA enabled, ROMCS0, !WP, !Cache
;Required for superio interface. SuperIO needed to control LEDs.
dw 0x1938 ;Select ISA iochrdy, IOCS16, and AEN signals Vs. GPIOs
dw 0x0580 ;cpu clk:hyper = 100MHz, high = 33MHz, low = 8MHz
dw 0x4140 ;enable hyperspeed
dw 0x01D1 ;Enable internal UART at 3f8
dw 0x40D8 ;Internal UART uses IRQ4
dw 0x5F38 ; Select ISA IOCS16, iochrdy, PIRQ1, PIRQ0 & AEN
signals Vs. GPIOs
dw 0x1439 ; Select ISA signals vs kbd rows, enable LBL2
dw 0x08C1 ; Enable external keybd I/F
dw 0x1ED4 ; Route pirq0 -> IRQ14 (ide support) and pirq1->IRQ1
(kbd support)
dw 0x0CD5 ; Route pirq2->IRQ12 (required for PS/2 mouse support)
dw 0x03D6 ; Route pirq4->IRQ3 (PCNET ISA network card support)
dw 0x01E5 ; Enable proper termination for all configs done above.
dw 0x023a
dw 0xaec2
SC400RegTableLen = (* - SC400RegInit) / 2
