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 <driver> <base> <size> <chip_width> <bus_width>
  12 flash_bank cfi 0x10000000 0x00200000 2 2 0
  13
  14
  15 proc at91rm9200_dk_init { } {
  16     # Try to run at 1khz... Yea, that slow!
  17     # Chip is really running @ 32khz
  18     jtag_khz 8
  19
  20     mww 0xfffffc64 0xffffffff
  21     ##  disable all clocks but system clock
  22     mww 0xfffffc04 0xfffffffe
  23     ##  disable all clocks to pioa and piob
  24     mww 0xfffffc14 0xffffffc3
  25     ##  master clock = slow cpu = slow
  26     ##  (means the CPU is running at 32khz!)
  27     mww 0xfffffc30 0
  28     ##  main osc enable
  29     mww 0xfffffc20 0x0000ff01
  30     ##  program pllA
  31     mww 0xfffffc28 0x20263e04
  32     ##  program pllB
  33     mww 0xfffffc2c 0x10483e0e
  34     ##  let pll settle... sleep 100msec
  35     sleep 100
  36     ##  switch to fast clock
  37     mww 0xfffffc30 0x202
  38     ## Sleep some - (go read)
  39     sleep 100
  40
  41     #========================================
  42     # CPU now runs at 180mhz
  43     # SYS runs at 60mhz.
  44     jtag_khz 40000
  45     #========================================
  46
  47
  48     ##  set memc for all memories
  49     mww 0xffffff60 0x02
  50     ##  program smc controller
  51     mww 0xffffff70 0x3284
  52     ##  init sdram
  53     mww 0xffffff98 0x7fffffd0
  54     ##  all banks precharge
  55     mww 0xffffff80 0x02
  56     ##  touch sdram chip to make it work
  57     mww 0x20000000 0
  58     ##  sdram controller mode register
  59     mww 0xffffff90 0x04
  60     mww 0x20000000 0
  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     ##  sdram controller mode register
  69     ##  Refresh, etc....
  70     mww 0xffffff90 0x03
  71     mww 0x20000080 0
  72     mww 0xffffff94 0x1f4
  73     mww 0x20000080 0
  74     mww 0xffffff90 0x10
  75     mww 0x20000000 0
  76     mww 0xffffff00 0x01
  77
  78 }