tcl/target/str750.cfg

   1 # SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #STR750 CPU
   4
   5 if { [info exists CHIPNAME] } {
   6    set _CHIPNAME $CHIPNAME
   7 } else {
   8    set _CHIPNAME str750
   9 }
  10
  11 if { [info exists ENDIAN] } {
  12    set _ENDIAN $ENDIAN
  13 } else {
  14    set _ENDIAN little
  15 }
  16
  17 if { [info exists CPUTAPID] } {
  18    set _CPUTAPID $CPUTAPID
  19 } else {
  20    set _CPUTAPID 0x4f1f0041
  21 }
  22
  23 # jtag speed
  24 adapter speed 10
  25
  26 #use combined on interfaces or targets that can't set TRST/SRST separately
  27 reset_config trst_and_srst srst_pulls_trst
  28
  29 #jtag scan chain
  30
  31 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0x0f -expected-id $_CPUTAPID
  32
  33 #jtag nTRST and nSRST delay
  34 adapter srst delay 500
  35 jtag_ntrst_delay 500
  36
  37 set _TARGETNAME $_CHIPNAME.cpu
  38 target create $_TARGETNAME arm7tdmi -endian little -chain-position 0
  39
  40 $_TARGETNAME configure -event reset-start { adapter speed 10 }
  41 $_TARGETNAME configure -event reset-init {
  42         adapter speed 3000
  43
  44         init_smi
  45 # Because the hardware cannot be interrogated for the protection state
  46 # of sectors, initialize all the sectors to be unprotected. The initial
  47 # state is reflected by the driver, too.
  48         flash protect 0 0 last off
  49         flash protect 1 0 last off
  50 }
  51 $_TARGETNAME configure -event gdb-flash-erase-start {
  52         flash protect 0 0 7 off
  53         flash protect 1 0 1 off
  54 }
  55
  56 $_TARGETNAME configure -work-area-phys 0x40000000 -work-area-size 0x4000 -work-area-backup 0
  57
  58 #flash bank <driver> <base> <size> <chip_width> <bus_width>
  59 set _FLASHNAME $_CHIPNAME.flash0
  60 flash bank $_FLASHNAME str7x 0x20000000 0x00040000 0 0 $_TARGETNAME STR75x
  61 set _FLASHNAME $_CHIPNAME.flash1
  62 flash bank $_FLASHNAME str7x 0x200C0000 0x00004000 0 0 $_TARGETNAME STR75x
  63
  64 # Serial NOR on SMI CS0.
  65 set _FLASHNAME $_CHIPNAME.snor
  66 flash bank $_FLASHNAME stmsmi 0x80000000 0 0 0 $_TARGETNAME
  67
  68 source [find mem_helper.tcl]
  69
  70 proc init_smi {} {
  71         mmw 0x60000030 0x01000000 0x00000000; # enable clock for GPIO regs
  72         mmw 0xffffe420 0x00000001 0x00000000; # set SMI_EN bit
  73         mmw 0x90000000 0x00000001 0x00000000; # set BLOCK_EN_1
  74 }