blob: 0bfc43dfd4a7df790615a0a867291b797867cc28 (
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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
# script for stm32h7x family
#
# stm32h7 devices support both JTAG and SWD transports.
#
source [find target/swj-dp.tcl]
source [find mem_helper.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME stm32h7x
}
set _ENDIAN little
# Work-area is a space in RAM used for flash programming
# By default use 64kB
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
set _WORKAREASIZE 0x10000
}
#jtag scan chain
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
if { [using_jtag] } {
set _CPUTAPID 0x6ba00477
} {
set _CPUTAPID 0x6ba02477
}
}
swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
if {[using_jtag]} {
swj_newdap $_CHIPNAME bs -irlen 5
}
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME stm32h7x 0x08000000 0 0 0 $_TARGETNAME
# Clock after reset is HSI at 64 MHz, no need of PLL
adapter_khz 1800
adapter_nsrst_delay 100
if {[using_jtag]} {
jtag_ntrst_delay 100
}
# use hardware reset
#
# The STM32H7 does not support connect_assert_srst mode because the AXI is
# unavailable while SRST is asserted, and that is used to access the DBGMCU
# component at 0x5C001000 in the examine-end event handler.
#
# It is possible to access the DBGMCU component at 0xE00E1000 via AP2 instead
# of the default AP0, and that works with SRST asserted; however, nonzero AP
# usage does not work with HLA, so is not done by default. That change could be
# made in a local configuration file if connect_assert_srst mode is needed for
# a specific application and a non-HLA adapter is in use.
reset_config srst_only srst_nogate
if {![using_hla]} {
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m reset_config sysresetreq
# Set CSW[27], which according to ARM ADI v5 appendix E1.4 maps to AHB signal
# HPROT[3], which according to AMBA AHB/ASB/APB specification chapter 3.7.3
# makes the data access cacheable. This allows reading and writing data in the
# CPU cache from the debugger, which is far more useful than going straight to
# RAM when operating on typical variables, and is generally no worse when
# operating on special memory locations.
$_CHIPNAME.dap apcsw 0x08000000 0x08000000
}
$_TARGETNAME configure -event examine-end {
# Enable D3 and D1 DBG clocks
# DBGMCU_CR |= D3DBGCKEN | D1DBGCKEN
mmw 0x5C001004 0x00600000 0
# Enable debug during low power modes (uses more power)
# DBGMCU_CR |= DBG_STANDBY | DBG_STOP | DBG_SLEEP in D3 & D1 Domains
mmw 0x5C001004 0x00000187 0
# Stop watchdog counters during halt
# DBGMCU_APB3FZ1 |= WWDG1
mmw 0x5C001034 0x00000040 0
# DBGMCU_APB4FZ1 |= WDGLSD1
mmw 0x5C001054 0x00040000 0
}
$_TARGETNAME configure -event trace-config {
# Set TRACECLKEN; TRACE_MODE is set to async; when using sync
# change this value accordingly to configure trace pins
# assignment
mmw 0x5C001004 0x00100000 0
}
$_TARGETNAME configure -event reset-init {
# Clock after reset is HSI at 64 MHz, no need of PLL
adapter_khz 4000
}
|
