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stm32l: split l0/l1 support no jtag, different HSI settings 

L0 is cortex m0+, so different id codes, SWD only, different addresses
for the clock speedup.  It has no endian options, no boundary scan.

Removed all L0 specific portions from L1 files, and renamed files to clarify
their purpose.  The deprecated stm32lx_stlink.cfg is kept as is, as it is only
around for backwards compatibility with prior releases.

Tested on STM32L053 Discovery and STM32L151 Discovery.

Has _not_ been tested with jtag on L1.

Change-Id: I8eea890d2f92a302d9e9c8a8832d218ee1b6bcfc
Signed-off-by: Karl Palsson <karlp@tweak.net.au>
Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Reviewed-on: http://openocd.zylin.com/2405
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-by: Juha Niskanen <juha.niskanen@haltian.com>
This commit is contained in:
Karl Palsson 2014-11-21 22:14:57 +00:00 committed by Andreas Fritiofson
parent 12b41a3409
commit c3ec1940b5
6 changed files with 89 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
tcl/board/stm32l0discovery.cfg
View File

@ -6,7 +6,7 @@ source [find interface/stlink-v2-1.cfg]
transport select hla_swd
set WORKAREASIZE 0x2000
source [find target/stm32l.cfg]
source [find target/stm32l0.cfg]
# use hardware reset, connect under reset
reset_config srst_only srst_nogate

2
tcl/board/stm32ldiscovery.cfg
View File

@ -6,7 +6,7 @@ source [find interface/stlink-v2.cfg]
transport select hla_swd
set WORKAREASIZE 0x4000
source [find target/stm32l.cfg]
source [find target/stm32l1.cfg]
# use hardware reset, connect under reset
reset_config srst_only srst_nogate

73
tcl/target/stm32l0.cfg Normal file
View File

@ -0,0 +1,73 @@
#
# M0+ devices only have SW-DP, but swj-dp code works, just don't
# set any jtag related features
#
source [find target/swj-dp.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME stm32l0
}
# Work-area is a space in RAM used for flash programming
# By default use 8kB (max ram on smallest part)
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
set _WORKAREASIZE 0x2000
}
# JTAG speed should be <= F_CPU/6.
# F_CPU after reset is ~2MHz, so use F_JTAG max = 333kHz
adapter_khz 300
adapter_nsrst_delay 100
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
# Arm, m0+, non-multidrop.
# http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/ka16088.html
set _CPUTAPID 0x0bc11477
}
swj_newdap $_CHIPNAME cpu -expected-id $_CPUTAPID
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m -chain-position $_TARGETNAME
$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
# flash size will be probed
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME stm32lx 0x08000000 0 0 0 $_TARGETNAME
if {![using_hla]} {
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m reset_config sysresetreq
}
proc stm32l0_enable_HSI16 {} {
# Enable HSI16 as clock source
echo "STM32L0: Enabling HSI16"
# Set HSI16ON in RCC_CR (leave MSI enabled)
mww 0x40021000 0x00000101
# Set HSI16 as SYSCLK (RCC_CFGR)
mww 0x4002100c 0x00000001
# Increase speed
adapter_khz 2500
}
$_TARGETNAME configure -event reset-init {
stm32l0_enable_HSI16
}
$_TARGETNAME configure -event reset-start {
adapter_khz 300
}

25
tcl/target/stm32l.cfg → tcl/target/stm32l1.cfg
View File

@ -1,8 +1,7 @@
# script for stm32l
#
# stm32l1 devices support both JTAG and SWD transports.
#
#
# stm32 devices support both JTAG and SWD transports.
#
source [find target/swj-dp.tcl]
if { [info exists CHIPNAME] } {
@ -42,17 +41,13 @@ if { [info exists CPUTAPID] } {
# See STM Document RM0038
# Section 30.6.3 - corresponds to Cortex-M3 r2p0
set _CPUTAPID 0x4ba00477
} {
set _CPUTAPID1 0x2ba01477
set _CPUTAPID2 0x0bc11477
} else {
# SWD IDCODE (single drop, arm)
set _CPUTAPID 0x2ba01477
}
}
if { [using_jtag] } {
swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
} else {
swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID1 -expected-id $_CPUTAPID2
}
swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
if { [info exists BSTAPID] } {
# FIXME this never gets used to override defaults...
@ -93,13 +88,13 @@ if {![using_hla]} {
proc stm32l_enable_HSI {} {
# Enable HSI as clock source
echo "STM32L: Enabling HSI"
# Set HSION in RCC_CR
mww 0x40023800 0x00000101
# Set HSI as SYSCLK
mww 0x40023808 0x00000001
# Increase JTAG speed
adapter_khz 2000
}

4
tcl/target/stm32lx_dual_bank.cfg → tcl/target/stm32l1x_dual_bank.cfg
View File

@ -1,6 +1,6 @@
source [find target/stm32l.cfg]
source [find target/stm32l1.cfg]
# The stm32lx 384kb have a dual bank flash.
# The stm32l1x 384kb have a dual bank flash.
# Let's add a definition for the second bank here.
# Add the second flash bank.

4
tcl/target/stm32lx_stlink.cfg
View File

@ -1,2 +1,2 @@
echo "WARNING: target/stm32lx_stlink.cfg is deprecated, please switch to target/stm32l.cfg"
source [find target/stm32l.cfg]
echo "WARNING: target/stm32lx_stlink.cfg is deprecated, please switch to target/stm32l1.cfg"
source [find target/stm32l1.cfg]