tcl/board/ethernut3.cfg

   1 #
   2 # Ethernut 3 board configuration file
   3 #
   4 # http://www.ethernut.de/en/hardware/enut3/
   5
   6
   7 # AT91R40008-66AU ARM7TDMI Microcontroller
   8 # 256kB internal RAM
   9 source [find target/at91r40008.cfg]
  10
  11
  12 # AT49BV322A-70TU NOR Flash
  13 # 2M x 16 mode at address 0x10000000
  14 # Common flash interface supported
  15 #
  16 set _FLASHNAME $_CHIPNAME.flash
  17 flash bank $_FLASHNAME cfi 0x10000000 0x400000 2 2 $_TARGETNAME
  18
  19
  20 # Micrel MIC2775-29YM5 Supervisor
  21 # Reset output will remain active for 280ms (maximum)
  22 #
  23 adapter_nsrst_delay 300
  24 jtag_ntrst_delay 300
  25
  26
  27 arm7_9 fast_memory_access enable
  28 arm7_9 dcc_downloads enable
  29 adapter_khz 16000
  30
  31
  32 # Target events
  33 #
  34 $_TARGETNAME configure -event reset-init { board_init }
  35
  36 # Initialize board hardware
  37 #
  38 proc board_init { } {
  39         board_remap
  40         flash probe 0
  41 }
  42
  43 # Memory remap
  44 #
  45 proc board_remap {{VERBOSE 0}} {
  46         # CS0: NOR flash
  47         #      16MB @ 0x10000000
  48         #      16-bit data bus
  49         #      4 wait states
  50         #
  51         mww 0xffe00000 0x1000212d
  52
  53         # CS1: Ethernet controller
  54         #      1MB @ 0x20000000
  55         #      16-bit data bus
  56         #      2 wait states
  57         #      Byte select access
  58         #
  59         mww 0xffe00004 0x20003025
  60
  61         # CS2: CPLD registers
  62         #      1MB @ 0x21000000
  63         #      8-bit data bus
  64         #      2 wait states
  65         #
  66         mww 0xffe00008 0x21002026
  67
  68         # CS3: Expansion bus
  69         #      1MB @ 0x22000000
  70         #      8-bit data bus
  71         #      8 wait states
  72         #
  73         mww 0xffe00010 0x22002e3e
  74
  75         # Remap command
  76         #
  77         mww 0xffe00020 0x00000001
  78
  79         if {$VERBOSE != 0} {
  80                 echo "0x00000000 RAM"
  81                 echo "0x10000000 Flash"
  82                 echo "0x20000000 Ethernet"
  83                 echo "0x21000000 CPLD"
  84                 echo "0x22000000 Expansion"
  85         }
  86 }