3 #Atmel ties SRST & TRST together, at which point it makes
4 #no sense to use TRST, but use TMS instead.
6 #The annoying thing with tying SRST & TRST together is that
7 #there is no way to halt the CPU *before and during* the
8 #SRST reset, which means that the CPU will run a number
9 #of cycles before it can be halted(as much as milliseconds).
10 reset_config srst_only srst_pulls_trst
13 if { [info exists CHIPNAME] } {
14 set _CHIPNAME $CHIPNAME
19 if { [info exists ENDIAN] } {
27 if { [info exists CPUTAPID] } {
28 set _CPUTAPID $CPUTAPID
30 set _CPUTAPID 0x1f0f0f0f
32 jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
34 set _TARGETNAME $_CHIPNAME.cpu
35 target create $_TARGETNAME arm7tdmi -endian $_ENDIAN -chain-position $_TARGETNAME
37 # at CPU CLK <32kHz this must be disabled
38 arm7_9 fast_memory_access enable
39 arm7_9 dcc_downloads enable
41 set _FLASHNAME $_CHIPNAME.flash
42 flash bank $_FLASHNAME cfi 0x01000000 0x200000 2 2 $_TARGETNAME
44 $_TARGETNAME configure -event reset-init {
45 # Set up chip selects & timings
46 mww 0xFFE00000 0x0100273D
47 mww 0xFFE00004 0x08002125
48 mww 0xFFEe0008 0x02002125
49 mww 0xFFE0000c 0x03002125
50 mww 0xFFE00010 0x40000000
51 mww 0xFFE00014 0x50000000
52 mww 0xFFE00018 0x60000000
53 mww 0xFFE0001c 0x70000000
54 mww 0xFFE00020 0x00000001
55 mww 0xFFE00024 0x00000000
58 mww 0xFFFFF124 0xFFFFFFFF
62 #disable 16x5x UART interrupts
66 $_TARGETNAME configure -event gdb-attach {
67 # Without this gdb-attach will first time as probe will fail
71 # required for usable performance. Used for lots of
72 # other things than flash programming.
73 $_TARGETNAME configure -work-area-phys 0x00020000 -work-area-size 0x20000 -work-area-backup 0
78 proc production_info {} {
79 return "Serial number is official MAC number. Format XXXXXXXXXXXX"
82 # There is no return value from this procedure. If it is
83 # successful it does not throw an exception
85 # Progress messages are output via puts
86 proc production {firmwarefile serialnumber} {
87 if {[string length $serialnumber]!=12} {
88 echo "Invalid serial number"
92 echo "Power cycling target"
98 flash write_image erase $firmwarefile 0x1000000 bin
99 verify_image $firmwarefile 0x1000000 bin
101 # Big endian... weee!!!!
102 echo "Setting MAC number to $serialnumber"
103 flash fillw [expr 0x1030000-0x8] "0x[string range $serialnumber 2 3][string range $serialnumber 0 1]0000" 1
104 flash fillw [expr 0x1030000-0x4] "0x[string range $serialnumber 10 11][string range $serialnumber 8 9][string range $serialnumber 6 7][string range $serialnumber 4 5]" 1
105 echo "Production successful"
109 proc production_test {} {
112 target_request debugmsgs enable
115 target_request debugmsgs disable
116 return "See IP address above..."