i386 port missing features: * i386 cleaness (wbinvld is 486+ ... ) * Pentium TSC timer/udelay * 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 * split of part of arch/i386/cpu/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 linux boot...) * missing functions in arch/i386/lib and arch/i386/cpu * speaker beep interface SC520 missing features: * Watchdog * SC520 timer/udelay * SC520 3rd PIC * SC520 ICE serial * SC520 MMCR reset SC520 CDP board support missing features: * environment in sram 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?