doc/README.bcmns3

   1 BCMNS3 QSPI memory layout
   2 =========================
   3
   4 BCMNS3 has total 8MB non-volatile SPI flash memory. It is used to store
   5 different images like fip.bin, nitro firmware, DDR shmo value and other backup
   6 images.
   7
   8 Following is the QSPI flash memory layout.
   9
  10 /*         QSPI layout
  11  * |---------------------------|->0x000000
  12  * |                           |
  13  * |                           |
  14  * |        fip.bin            |
  15  * |         2MB               |
  16  * |                           |
  17  * ~                           ~
  18  * ~                           ~
  19  * |                           |
  20  * |                           |
  21  * |                           |
  22  * |---------------------------|->0x200000
  23  * |                           |
  24  * |                           |
  25  * |                           |
  26  * |       fip.bin (Mirror)    |
  27  * |        2MB                |
  28  * ~                           ~
  29  * ~                           ~
  30  * |                           |
  31  * |                           |
  32  * |                           |
  33  * |---------------------------|->0x400000
  34  * |                           |
  35  * |      Nitro NS3 Config     |
  36  * |          1.5M             |
  37  * |                           |
  38  * ~                           ~
  39  * ~                           ~
  40  * |                           |
  41  * |---------------------------|->0x580000
  42  * |      Nitro NS3 Config     |
  43  * |          1.5M             |
  44  * |        (Mirror)           |
  45  * ~                           ~
  46  * ~                           ~
  47  * |                           |
  48  * |---------------------------|->0x700000
  49  * |   Nitro NS3 bspd Config   |
  50  * |        64KB               |
  51  * ~                           ~
  52  * ~                           ~
  53  * |                           |
  54  * |---------------------------|->0x710000
  55  * |   Nitro NS3 bspd Config   |
  56  * |        64KB               |
  57  * ~       (Mirror)            ~
  58  * ~                           ~
  59  * |                           |
  60  * |---------------------------|->0x720000
  61  * |        SHMOO              |
  62  * |        64KB               |
  63  * |                           |
  64  * ~                           ~
  65  * ~                           ~
  66  * |---------------------------|->0x730000
  67  * |        Meta Data          |
  68  * |        832KB              |
  69  * |                           |
  70  * ~                           ~
  71  * ~                           ~
  72  * |                           |
  73  * |---------------------------|
  74  */