tcl/target/hilscher_netx50.cfg

   1 ################################################################################
   2 # Author: Michael Trensch (MTrensch@googlemail.com)
   3 ################################################################################
   4
   5 #Hilscher netX 50 CPU
   6
   7 if { [info exists CHIPNAME] } {
   8    set _CHIPNAME $CHIPNAME
   9 } else {
  10    set _CHIPNAME netx50
  11 }
  12
  13 if { [info exists ENDIAN] } {
  14    set _ENDIAN $ENDIAN
  15 } else {
  16    set _ENDIAN little
  17 }
  18
  19 if { [info exists CPUTAPID] } {
  20    set _CPUTAPID $CPUTAPID
  21 } else {
  22    set _CPUTAPID 0x25966021
  23 }
  24
  25 # jtag scan chain
  26 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
  27
  28 # that TAP is associated with a target
  29 set _TARGETNAME $_CHIPNAME.cpu
  30 target create $_TARGETNAME arm966e -endian $_ENDIAN -chain-position $_TARGETNAME
  31
  32 # On netX50 SDRAM is not accessible at offset 0xDEAD0-0xDEADF as it is busy from
  33 # DMA controller at init. This function will setup a dummy DMA to free this ares
  34 # and must be called before using SDRAM
  35 proc sdram_fix { } {
  36
  37   mww 0x1c005830 0x00000001
  38
  39   mww 0x1c005104 0xBFFFFFFC
  40   mww 0x1c00510c 0x00480001
  41   mww 0x1c005110 0x00000001
  42
  43   sleep 100
  44
  45   mww 0x1c00510c 0
  46   mww 0x1c005110 0
  47   mww 0x1c005830 0x00000000
  48
  49         puts "SDRAM Fix executed!"
  50 }