board.ocd

source [find interface/cmsis-dap.cfg]
cmsis_dap_vid_pid 0x1209 0x3443
transport select swd
source [find target/stm32h7x_dual_bank.cfg]

if { [info exists _TARGETNAME] == 0 } {
    set _TARGETNAME stm32h7x.cpu0
}

adapter speed 1000

$_TARGETNAME configure -event gdb-detach { shutdown }

$_TARGETNAME configure -event reset-init {
	# Configure PLL to boost clock to HSI x 4 (64 MHz)
	mww 0x40023804 0x08012008   ;# RCC_PLLCFGR 16 Mhz /8 (M) * 128 (N) /4(P)
	mww 0x40023C00 0x00000102   ;# FLASH_ACR = PRFTBE | 2(Latency)
	mmw 0x40023800 0x01000000 0 ;# RCC_CR |= PLLON
	sleep 10                    ;# Wait for PLL to lock
	mmw 0x40023808 0x00001000 0 ;# RCC_CFGR |= RCC_CFGR_PPRE1_DIV2
	mmw 0x40023808 0x00000002 0 ;# RCC_CFGR |= RCC_CFGR_SW_PLL

	# Boost JTAG frequency
	adapter speed 1000

}
 
# Correctly set up SWD newdap command
#swd newdap $_TARGETNAME cpu -dp-id 0x2ba01477 -ignore-busy

# Start a reset and halt the target
init
reset init
halt