tcl/target/omap5912.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 # TI OMAP5912 dual core processor
   4 # http://focus.ti.com/docs/prod/folders/print/omap5912.html
   5
   6 if { [info exists CHIPNAME] } {
   7    set _CHIPNAME $CHIPNAME
   8 } else {
   9    set _CHIPNAME omap5912
  10 }
  11
  12 if { [info exists CPUTAPID] } {
  13    set _CPUTAPID $CPUTAPID
  14 } else {
  15    # NOTE: validated with XOMAP5912 part
  16    set _CPUTAPID 0x0692602f
  17 }
  18
  19 adapter srst delay 100
  20
  21 # NOTE: presumes irlen 38 is the C55x DSP, matching BSDL for
  22 # its standalone siblings (like TMS320VC5502) of the same era
  23
  24 #jtag scan chain
  25 jtag newtap $_CHIPNAME dsp -irlen 38 -expected-id 0x03df1d81
  26 jtag newtap $_CHIPNAME arm -irlen 4 -expected-id $_CPUTAPID
  27 jtag newtap $_CHIPNAME unknown -irlen 8
  28
  29 set _TARGETNAME $_CHIPNAME.arm
  30 target create $_TARGETNAME arm926ejs -chain-position $_TARGETNAME
  31
  32 proc omap5912_reset {} {
  33         #
  34         # halt target
  35         #
  36         poll
  37         sleep 1
  38         halt
  39         wait_halt
  40         #
  41         # disable wdt
  42         #
  43         mww 0xfffec808 0x000000f5
  44         mww 0xfffec808 0x000000a0
  45
  46         mww 0xfffeb048 0x0000aaaa
  47         sleep 500
  48         mww 0xfffeb048 0x00005555
  49         sleep 500
  50 }
  51
  52 # omap5912 lcd frame buffer as working area
  53 $_TARGETNAME configure -work-area-phys 0x20000000 \
  54         -work-area-size 0x3e800 -work-area-backup 0