;  Initialization sequence from RDC R1620 eval board bootcode
        
   outport   0xffa0    0xf03b // umcs
   inport    0xffa0
   outport   0xffa2    0x7f38 // lmcs
   // add by kenny set up chip size multiplier register
   outport   0xffaa     0x0000  //
   
   //outport   0xffa8    0xa0bb // pcsr1
   //outport   0xffa4    0x007f // pcsr0
   outport   0xfef0    0x00a0 // sdramacr
   //outport   0xfef0    0x00e1 // sdramacr
   inport    0xfef0
   //outport   0xfef2    0x0030 // sdrammsr
   outport   0xfef2    0x0020 // sdrammsr
   inport    0xfef2
   outport   0xfef6    0xf722 // sdramtpr
   inport    0xfef6
   outport   0xfef4    0x0009 // sdramcr
   inport    0xfef4
   //outport   0xffe2    0x64   // was 0x3e8  // RCU counter reload value
   outport   0xffe2    0x3e8   // was 0x3e8  // RCU counter reload value
   outport   0xffe4    0x8000 // RCU enable
   
   outport   0xffe6    0x3333 // wdtcon -- watchdog disable sequence
   outport   0xffe6    0xcccc // wdtcon
   outport   0xffe6    0x0000 // wdtcon
   //outport   0xff76    0xd9ff // pio mode 1
   //outport   0xff70    0x0040 // pio mode 0
   //outport   0xff78    0x2000 // pio direction 1
   //outport   0xff72    0x0801 // pio direction 0
   //outport   0xff7a    0x5800 // pio data 1
   //outport   0xffea    0x8001 // bus control
   //inport    0xffea
   //outport   0xffc2    0x000f // dma 0 source addr high
   //outport   0xffc6    0x000f // dma 0 dest addr high
   //outport   0xffc0    0x0000 // dma 0 source addr low
   //outport   0xffc4    0x0000 // dma 0 dest addr low
   //outport   0xffc8    0xf000 // dma 0 transfer count
   //outport   0xffca    0xb426 // dma 0 control
   //outport   0xffea    0x8002 // bus control
   //inport    0xffea