* setup the BIOS data area and BIOS equipment word to reflect machine config.
* Make reset work (from Linux and from the boot prompt)
* DMA, FDC, RTC, KBC initialization
-* video card support (call BIOS to initialize, use helper routrine in BSP to shadow
- video rom if on pci) and PC keyboard
* split of part of cpu/i386/interrupt.c to cpu/i385/entry.c?
* re-entry of protected mode from real mode, should be added to realmode_switch.S
(and used by INT 10h and INT 16h handlers for console I/O during early
* missing functions in lib_i386 and cpu/i386
* speaker beep interface
-i386 port bugs:
-* IDE does not work
SC520 missing features:
* Watchdog
* SC520 MMCR reset
SC520 CDP board support missing features:
-* Synchronius serial port and seriel EEPROM
-* environment in SEEP
-* environment in flash
* environment in sram
-* status LED ?
-* flash driver
SC520 CDP board support bugs:
+* SPI EEPROM support does not work
* 0x680 LEDS dos not work for me
* is it possible to make both the internal serial ports and the
ports on the sio work at the same time?
-* ali sio cio lines?
-* On-borad ethernet does not work from Linux