/*040*/ u8  sysboot_lo;
        // bits  0- 4   rw  sysboot 0-4: boot order
        // bit   5      rw  sysboot 5:   clkout 0 enabled
        // bits  6- 7   rw  sysboot 6-7: ethernet: 0=mii, 1=rmii, 2=rgmii
        //
/*041*/ u8  device_type;
        // bits  0- 2   r-  device type:  0=Test, 1=EMU, 2=HS, 3=GP
        //
/*042*/ u8  sysboot_hi;
        // bit   0      rw  sysboot 8:     xip/nand 16-bit
        // bit   1      rw  sysboot 9:     nand internal ECC
        // bits  2- 3   rw  sysboot 10-11: xip mux mode (0 for nand)
        // bits  4- 5   rw  sysboot 12-13: test mode (0 for normal operation)
        // bits  6- 7   rw  sysboot 14-15: osc 0 frequency
        //                      0=19.2  1=24  2=25  3=26  MHz