Function floppy_get_info

bsp/x86/drivers/floppy.c:112–151

u32 floppy_get_info(void)
{
    u32 i;
    u8 CmType, FdType;

    floppy_sendbyte(0x10);
    i = floppy_getbyte();

    switch (i)
    {
        case 0x80:   floppy_inc_name = "NEC765A controller"; break;
        case 0x90:   floppy_inc_name = "NEC765B controller"; break;
        default:     floppy_inc_name = "Enhanced controller"; break;
    }

    CmType = readcmos(0x10);        //read floppy type from cmos
    FdType   = (CmType>>4) & 0x07;

    if ( FdType == 0 )
        panic("Floppy driver not found!");

    switch( FdType )
    {
    case 0x02: // 1.2MB
        floppy_type = "1.2MB";
        floppy_size = 2458*512;
    break;

    case 0x04: // 1.44MB       标准软盘
        floppy_type = "1.44MB";
        floppy_size = 2880*512;
        break;

    case 0x05: // 2.88MB
        floppy_type = "2.88MB";
        floppy_size = 2*2880*512;
        break;
    }
    return 1;
}


void floppy_motorOn( void )