client/trunk/anago/flashdevice.nut

   1 //bit is masking MSB
   2 function mask_get(bit)
   3 {
   4         local t = 1 << (bit + 1);
   5         return t - 1;
   6 }
   7 function flash_device_get(name)
   8 {
   9         local mega = 0x20000;
  10         local MASK_A14 = mask_get(14);
  11         local MASK_A10 = mask_get(10);
  12         local device = {
  13                 ["dummy"] = {
  14                         capacity = 16 * mega, pagesize = 1,
  15                         erase_wait = 0, erase_require = false,
  16                         retry = false,
  17                         id_manufacurer = 0xf1, id_device = 0xf1,
  18                         command_mask = 0
  19                 },
  20                 ["W29C020"] = {
  21                         capacity = 2 * mega, pagesize = 0x80,
  22                         erase_wait = 50, erase_require = false,
  23                         retry = false,
  24                         id_manufacurer = 0xda, id_device = 0x45,
  25                         command_mask = MASK_A14
  26                 },
  27                 ["W29C040"] = {
  28                         capacity = 4 * mega, pagesize = 0x100,
  29                         erase_wait = 50, erase_require = false,
  30                         retry = true,
  31                         id_manufacurer = 0xda, id_device = 0x46,
  32                         command_mask = MASK_A14
  33                 },
  34                 ["W49F002"] = {
  35                         capacity = 2 * mega, pagesize = 1,
  36                         erase_wait = 100, erase_require = true,
  37                         retry = false,
  38                         id_manufacurer = 0xda, id_device = 0xae,
  39                         command_mask = MASK_A14
  40                 },
  41                 ["AT49F002"] = {
  42                         capacity = 2 * mega, pagesize = 1,
  43                         erase_wait = 100, erase_require = true,
  44                         retry = true,
  45                         id_manufacurer = 0x1f, id_device = 0x08,
  46                         command_mask = MASK_A14
  47                 },
  48                 ["EN29F002T"] = {
  49                         capacity = 2 * mega, pagesize = 1,
  50                         erase_wait = 2000, erase_require = true,
  51                         retry = false,
  52                         id_manufacurer = 0x1c, id_device = 0x92,
  53                         command_mask = MASK_A14
  54                 },
  55                 ["AM29F040B"] = {
  56                         capacity = 4 * mega, pagesize = 1,
  57                         erase_wait = 8000, erase_require = true,
  58                         retry = false,
  59                         id_manufacurer = 0x01, id_device = 0xa4,
  60                         command_mask = MASK_A10
  61                 },
  62                 //command mask is not written in datasheet!
  63                 ["PM29F002T"] = {
  64                         capacity = 2 * mega, pagesize = 1,
  65                         erase_wait = 500, erase_require = true,
  66                         retry = false,
  67                         id_manufacurer = 0x9d, id_device = 0x1d,
  68                         command_mask = MASK_A10 //maybe A10-A0
  69                 },
  70                 //chip erase time is not written in datasheet!!
  71                 ["MBM29F080A"] = {
  72                         capacity = 8 * mega, pagesize = 1,
  73                         erase_wait = 8000, erase_require = true,
  74                         retry = false,
  75                         id_manufacurer = 0x04, id_device = 0xd5,
  76                         command_mask = MASK_A10
  77                 },
  78                 ["SST39SF040"] = {
  79                         capacity = 4 * mega, pagesize = 1,
  80                         erase_wait = 100, erase_require = true,
  81                         retry = false,
  82                         id_manufacurer = 0xbf, id_device = 0xb7,
  83                         command_mask = MASK_A14
  84                 }
  85         };
  86         return device[name];
  87 }