blob: ea94be9628779608a78c83b98a7836d4019718ce (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#
# bluenrg-1/2 and bluenrg-lp devices support only SWD transports.
#
source [find target/swj-dp.tcl]
source [find mem_helper.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME bluenrg-1
}
set _ENDIAN little
# Work-area is a space in RAM used for flash programming
# By default use 24kB-256bytes
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
set _WORKAREASIZE 0x5F00
}
adapter speed 4000
swj_newdap $_CHIPNAME cpu -expected-id 0x0bb11477 -expected-id 0x0bc11477
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
set _TARGETNAME $_CHIPNAME.cpu
set WDOG_VALUE 0
set WDOG_VALUE_SET 0
target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
$_TARGETNAME configure -work-area-phys 0x20000100 -work-area-size $_WORKAREASIZE -work-area-backup 0
# flash size will be probed
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME bluenrg-x 0 0 0 0 $_TARGETNAME
# In BlueNRG-X reset pin is actually a shutdown (power-off), so define reset as none
reset_config none
if {![using_hla]} {
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m reset_config sysresetreq
}
$_TARGETNAME configure -event halted {
global WDOG_VALUE
global WDOG_VALUE_SET
set _JTAG_IDCODE [mrw 0x40000004]
if {$_JTAG_IDCODE != 0x0201E041} {
# Stop watchdog during halt, if enabled. Only Bluenrg-1/2
set WDOG_VALUE [mrw 0x40700008]
if [expr {$WDOG_VALUE & (1 << 1)}] {
set WDOG_VALUE_SET 1
mww 0x40700008 [expr {$WDOG_VALUE & 0xFFFFFFFD}]
}
}
}
$_TARGETNAME configure -event resumed {
global WDOG_VALUE
global WDOG_VALUE_SET
set _JTAG_IDCODE [mrw 0x40000004]
if {$_JTAG_IDCODE != 0x0201E041} {
if {$WDOG_VALUE_SET} {
# Restore watchdog enable value after resume. Only Bluenrg-1/2
mww 0x40700008 $WDOG_VALUE
set WDOG_VALUE_SET 0
}
}
}
|
