Add STM32H7 config files

Add 2 target files:
-stm32h7x.cfg
-stm32h7x_dual_bank.cfg

Add 2 config files for:
-STM32H743zi-nucleo bord
-STM32H743i and STM32H753i eval boards.

Change-Id: I2aae2c5acff4f3ff8e1bf232fda5a11a87f71703
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Reviewed-on: http://openocd.zylin.com/4182
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

tcl/board/st_nucleo_h743zi.cfg

@@ -0,0 +1,10 @@
+# This is an ST NUCLEO-H743ZI board with single STM32H743ZI chip.
+# http://www.st.com/en/evaluation-tools/nucleo-h743zi.html
+
+source [find interface/stlink-v2-1.cfg]
+
+transport select hla_swd
+
+source [find target/stm32h7x_dual_bank.cfg]
+
+reset_config srst_only

tcl/board/stm32h7x3i_eval.cfg

@@ -0,0 +1,13 @@
+# STM32H7[4|5]3I-EVAL: this is for the H7 eval boards.
+# This is an ST EVAL-H743XI board with single STM32H743XI chip.
+# http://www.st.com/en/evaluation-tools/stm32h743i-eval.html
+# This is an ST EVAL-H753XI board with single STM32H753XI chip.
+# http://www.st.com/en/evaluation-tools/stm32h753i-eval.html
+
+source [find interface/stlink-v2-1.cfg]
+
+transport select hla_swd
+
+source [find target/stm32h7x_dual_bank.cfg]
+
+reset_config srst_only

tcl/target/stm32h7x.cfg

@@ -0,0 +1,93 @@
+# 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
+
+if {[using_jtag]} {
+ swj_newdap $_CHIPNAME bs -irlen 5
+}
+
+set _TARGETNAME $_CHIPNAME.cpu
+target create $_TARGETNAME cortex_m -endian $_ENDIAN -chain-position $_TARGETNAME
+
+$_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 $_TARGETNAME
+
+# Clock after reset is HSI at 64 MHz, no need of PLL
+adapter_khz 1800
+
+adapter_nsrst_delay 100
+if {[using_jtag]} {
+ jtag_ntrst_delay 100
+}
+
+# use hardware reset, connect under reset
+reset_config srst_only srst_nogate
+
+if {![using_hla]} {
+   # if srst is not fitted use SYSRESETREQ to
+   # perform a soft reset
+   cortex_m reset_config sysresetreq
+}
+
+$_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
+}

tcl/target/stm32h7x_dual_bank.cfg

@@ -0,0 +1,7 @@
+# script for stm32h7x family (dual flash bank)
+source [find target/stm32h7x.cfg]
+
+# STM32H7xxxI 2Mo have a dual bank flash.
+# Add the second flash bank.
+set _FLASHNAME $_CHIPNAME.flash1
+flash bank $_FLASHNAME stm32h7x 0x08100000 0 0 0 $_TARGETNAME