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Diffstat (limited to 'tcl/target/stm32f0x.cfg')
-rw-r--r--tcl/target/stm32f0x.cfg31
1 files changed, 31 insertions, 0 deletions
diff --git a/tcl/target/stm32f0x.cfg b/tcl/target/stm32f0x.cfg
index ff6d7f14..2b48cfce 100644
--- a/tcl/target/stm32f0x.cfg
+++ b/tcl/target/stm32f0x.cfg
@@ -4,6 +4,7 @@
# stm32 devices support SWD transports only.
#
source [find target/swj-dp.tcl]
+source [find mem_helper.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
@@ -53,3 +54,33 @@ if {![using_hla]} {
# perform a soft reset
cortex_m reset_config sysresetreq
}
+
+proc stm32f0x_default_reset_start {} {
+ # Reset clock is HSI (8 MHz)
+ adapter_khz 1000
+}
+
+proc stm32f0x_default_examine_end {} {
+ # Enable debug during low power modes (uses more power)
+ mmw 0x40015804 0x00000006 0 ;# DBGMCU_CR |= DBG_STANDBY | DBG_STOP
+
+ # Stop watchdog counters during halt
+ mmw 0x40015808 0x00001800 0 ;# DBGMCU_APB1_FZ |= DBG_IWDG_STOP | DBG_WWDG_STOP
+}
+
+proc stm32f0x_default_reset_init {} {
+ # Configure PLL to boost clock to HSI x 6 (48 MHz)
+ mww 0x40021004 0x00100000 ;# RCC_CFGR = PLLMUL[2]
+ mmw 0x40021000 0x01000000 0 ;# RCC_CR[31:16] |= PLLON
+ mww 0x40022000 0x00000011 ;# FLASH_ACR = PRFTBE | LATENCY[0]
+ sleep 10 ;# Wait for PLL to lock
+ mmw 0x40021004 0x00000002 0 ;# RCC_CFGR |= SW[1]
+
+ # Boost JTAG frequency
+ adapter_khz 8000
+}
+
+# Default hooks
+$_TARGETNAME configure -event examine-end { stm32f0x_default_examine_end }
+$_TARGETNAME configure -event reset-start { stm32f0x_default_reset_start }
+$_TARGETNAME configure -event reset-init { stm32f0x_default_reset_init }