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
   9 reset_config trst_and_srst
  10
  11 $_TARGETNAME configure -event gdb-attach { reset init }
  12 $_TARGETNAME configure -event reset-init { at91rm9200_dk_init }
  13
  14 #flash bank <name> <driver> <base> <size> <chip_width> <bus_width> <target>
  15 set _FLASHNAME $_CHIPNAME.flash
  16 flash bank $_FLASHNAME cfi 0x10000000 0x00200000 2 2 $_TARGETNAME
  17
  18
  19 proc at91rm9200_dk_init { } {
  20     # Try to run at 1khz... Yea, that slow!
  21     # Chip is really running @ 32khz
  22     adapter_khz 8
  23
  24     mww 0xfffffc64 0xffffffff
  25     ##  disable all clocks but system clock
  26     mww 0xfffffc04 0xfffffffe
  27     ##  disable all clocks to pioa and piob
  28     mww 0xfffffc14 0xffffffc3
  29     ##  master clock = slow cpu = slow
  30     ##  (means the CPU is running at 32khz!)
  31     mww 0xfffffc30 0
  32     ##  main osc enable
  33     mww 0xfffffc20 0x0000ff01
  34     ##  program pllA
  35     mww 0xfffffc28 0x20263e04
  36     ##  program pllB
  37     mww 0xfffffc2c 0x10483e0e
  38     ##  let pll settle... sleep 100msec
  39     sleep 100
  40     ##  switch to fast clock
  41     mww 0xfffffc30 0x202
  42     ## Sleep some - (go read)
  43     sleep 100
  44
  45     #========================================
  46     # CPU now runs at 180mhz
  47     # SYS runs at 60mhz.
  48     adapter_khz 40000
  49     #========================================
  50
  51
  52     ##  set memc for all memories
  53     mww 0xffffff60 0x02
  54     ##  program smc controller
  55     mww 0xffffff70 0x3284
  56     ##  init sdram
  57     mww 0xffffff98 0x7fffffd0
  58     ##  all banks precharge
  59     mww 0xffffff80 0x02
  60     ##  touch sdram chip to make it work
  61     mww 0x20000000 0
  62     ##  sdram controller mode register
  63     mww 0xffffff90 0x04
  64     mww 0x20000000 0
  65     mww 0x20000000 0
  66     mww 0x20000000 0
  67     mww 0x20000000 0
  68     mww 0x20000000 0
  69     mww 0x20000000 0
  70     mww 0x20000000 0
  71     mww 0x20000000 0
  72     ##  sdram controller mode register
  73     ##  Refresh, etc....
  74     mww 0xffffff90 0x03
  75     mww 0x20000080 0
  76     mww 0xffffff94 0x1f4
  77     mww 0x20000080 0
  78     mww 0xffffff90 0x10
  79     mww 0x20000000 0
  80     mww 0xffffff00 0x01
  81
  82 }