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   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 # xilinx series 7 (artix, kintex, virtex)
   4 # http://www.xilinx.com/support/documentation/user_guides/ug470_7Series_Config.pdf
   5
   6 if { [info exists CHIPNAME] } {
   7         set _CHIPNAME $CHIPNAME
   8 } else {
   9         set _CHIPNAME xc7
  10 }
  11
  12 # the 4 top bits (28:31) are the die stepping/revisions. ignore it.
  13 jtag newtap $_CHIPNAME tap -irlen 6 -ignore-version \
  14         -expected-id 0x03622093 \
  15         -expected-id 0x03620093 \
  16         -expected-id 0x037C4093 \
  17         -expected-id 0x0362F093 \
  18         -expected-id 0x037C8093 \
  19         -expected-id 0x037C7093 \
  20         -expected-id 0x037C3093 \
  21         -expected-id 0x0362E093 \
  22         -expected-id 0x037C2093 \
  23         -expected-id 0x0362D093 \
  24         -expected-id 0x0362C093 \
  25         -expected-id 0x03632093 \
  26         -expected-id 0x03631093 \
  27         -expected-id 0x03636093 \
  28         -expected-id 0x03647093 \
  29         -expected-id 0x0364C093 \
  30         -expected-id 0x03651093 \
  31         -expected-id 0x03747093 \
  32         -expected-id 0x03656093 \
  33         -expected-id 0x03752093 \
  34         -expected-id 0x03751093 \
  35         -expected-id 0x03671093 \
  36         -expected-id 0x036B3093 \
  37         -expected-id 0x036B7093 \
  38         -expected-id 0x036BB093 \
  39         -expected-id 0x036BF093 \
  40         -expected-id 0x03667093 \
  41         -expected-id 0x03682093 \
  42         -expected-id 0x03687093 \
  43         -expected-id 0x03692093 \
  44         -expected-id 0x03691093 \
  45         -expected-id 0x03696093 \
  46         -expected-id 0x036D5093 \
  47         -expected-id 0x036D9093 \
  48         -expected-id 0x036DB093
  49
  50 pld device virtex2 $_CHIPNAME.tap 1
  51
  52 set XC7_JSHUTDOWN 0x0d
  53 set XC7_JPROGRAM 0x0b
  54 set XC7_JSTART 0x0c
  55 set XC7_BYPASS 0x3f
  56
  57 proc xc7_program {tap} {
  58         global XC7_JSHUTDOWN XC7_JPROGRAM XC7_JSTART XC7_BYPASS
  59         irscan $tap $XC7_JSHUTDOWN
  60         irscan $tap $XC7_JPROGRAM
  61         runtest 60000
  62         #JSTART prevents this from working...
  63         #irscan $tap $XC7_JSTART
  64         runtest 2000
  65         irscan $tap $XC7_BYPASS
  66         runtest 2000
  67 }