tcl/board/ethernut3.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #
   4 # Ethernut 3 board configuration file
   5 #
   6 # http://www.ethernut.de/en/hardware/enut3/
   7
   8
   9 # AT91R40008-66AU ARM7TDMI Microcontroller
  10 # 256kB internal RAM
  11 source [find target/at91r40008.cfg]
  12
  13
  14 # AT49BV322A-70TU NOR Flash
  15 # 2M x 16 mode at address 0x10000000
  16 # Common flash interface supported
  17 #
  18 set _FLASHNAME $_CHIPNAME.flash
  19 flash bank $_FLASHNAME cfi 0x10000000 0x400000 2 2 $_TARGETNAME
  20
  21
  22 # Micrel MIC2775-29YM5 Supervisor
  23 # Reset output will remain active for 280ms (maximum)
  24 #
  25 adapter srst delay 300
  26 jtag_ntrst_delay 300
  27
  28
  29 arm7_9 fast_memory_access enable
  30 arm7_9 dcc_downloads enable
  31 adapter speed 16000
  32
  33
  34 # Target events
  35 #
  36 $_TARGETNAME configure -event reset-init { board_init }
  37
  38 # Initialize board hardware
  39 #
  40 proc board_init { } {
  41         board_remap
  42         flash probe 0
  43 }
  44
  45 # Memory remap
  46 #
  47 proc board_remap {{VERBOSE 0}} {
  48         # CS0: NOR flash
  49         #      16MB @ 0x10000000
  50         #      16-bit data bus
  51         #      4 wait states
  52         #
  53         mww 0xffe00000 0x1000212d
  54
  55         # CS1: Ethernet controller
  56         #      1MB @ 0x20000000
  57         #      16-bit data bus
  58         #      2 wait states
  59         #      Byte select access
  60         #
  61         mww 0xffe00004 0x20003025
  62
  63         # CS2: CPLD registers
  64         #      1MB @ 0x21000000
  65         #      8-bit data bus
  66         #      2 wait states
  67         #
  68         mww 0xffe00008 0x21002026
  69
  70         # CS3: Expansion bus
  71         #      1MB @ 0x22000000
  72         #      8-bit data bus
  73         #      8 wait states
  74         #
  75         mww 0xffe00010 0x22002e3e
  76
  77         # Remap command
  78         #
  79         mww 0xffe00020 0x00000001
  80
  81         if {$VERBOSE != 0} {
  82                 echo "0x00000000 RAM"
  83                 echo "0x10000000 Flash"
  84                 echo "0x20000000 Ethernet"
  85                 echo "0x21000000 CPLD"
  86                 echo "0x22000000 Expansion"
  87         }
  88 }