tcl/board/at91rm9200-dk.cfg

   1 #
   2 # This is for the "at91rm9200-DK" (not the EK) eval board.
   3 #
   4 # The two are probably very simular.... I have DK...
   5 #
   6 # It has atmel at91rm9200 chip.
   7 source [find target/at91rm9200.cfg]
   8 $_TARGETNAME configure -event gdb-attach { reset init }
   9 $_TARGETNAME configure -event reset-init { at91rm9200_dk_init }
  10
  11 #flash bank <name> <driver> <base> <size> <chip_width> <bus_width> <target>
  12 set _FLASHNAME $_CHIPNAME.flash
  13 flash_bank $_FLASHNAME cfi 0x10000000 0x00200000 2 2 $_TARGETNAME
  14
  15
  16 proc at91rm9200_dk_init { } {
  17     # Try to run at 1khz... Yea, that slow!
  18     # Chip is really running @ 32khz
  19     adapter_khz 8
  20
  21     mww 0xfffffc64 0xffffffff
  22     ##  disable all clocks but system clock
  23     mww 0xfffffc04 0xfffffffe
  24     ##  disable all clocks to pioa and piob
  25     mww 0xfffffc14 0xffffffc3
  26     ##  master clock = slow cpu = slow
  27     ##  (means the CPU is running at 32khz!)
  28     mww 0xfffffc30 0
  29     ##  main osc enable
  30     mww 0xfffffc20 0x0000ff01
  31     ##  program pllA
  32     mww 0xfffffc28 0x20263e04
  33     ##  program pllB
  34     mww 0xfffffc2c 0x10483e0e
  35     ##  let pll settle... sleep 100msec
  36     sleep 100
  37     ##  switch to fast clock
  38     mww 0xfffffc30 0x202
  39     ## Sleep some - (go read)
  40     sleep 100
  41
  42     #========================================
  43     # CPU now runs at 180mhz
  44     # SYS runs at 60mhz.
  45     adapter_khz 40000
  46     #========================================
  47
  48
  49     ##  set memc for all memories
  50     mww 0xffffff60 0x02
  51     ##  program smc controller
  52     mww 0xffffff70 0x3284
  53     ##  init sdram
  54     mww 0xffffff98 0x7fffffd0
  55     ##  all banks precharge
  56     mww 0xffffff80 0x02
  57     ##  touch sdram chip to make it work
  58     mww 0x20000000 0
  59     ##  sdram controller mode register
  60     mww 0xffffff90 0x04
  61     mww 0x20000000 0
  62     mww 0x20000000 0
  63     mww 0x20000000 0
  64     mww 0x20000000 0
  65     mww 0x20000000 0
  66     mww 0x20000000 0
  67     mww 0x20000000 0
  68     mww 0x20000000 0
  69     ##  sdram controller mode register
  70     ##  Refresh, etc....
  71     mww 0xffffff90 0x03
  72     mww 0x20000080 0
  73     mww 0xffffff94 0x1f4
  74     mww 0x20000080 0
  75     mww 0xffffff90 0x10
  76     mww 0x20000000 0
  77     mww 0xffffff00 0x01
  78
  79 }