X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=doc%2Fopenocd.texi;h=9c94c7168e98ddf98a16e28bd6635dc40a7d49f8;hb=385eedfc6f0b82c5d6715c740ee40bdce983ef04;hp=1eebe14254c375e52af47df10c9b67908efe0953;hpb=65c9653cc768f77a5e8cf2af73e0f40d614bdec2;p=fw%2Fopenocd diff --git a/doc/openocd.texi b/doc/openocd.texi index 1eebe1425..9c94c7168 100644 --- a/doc/openocd.texi +++ b/doc/openocd.texi @@ -202,7 +202,7 @@ communication between users: @section OpenOCD IRC Support can also be found on irc: -@uref{irc://irc.freenode.net/openocd} +@uref{irc://irc.libera.chat/openocd} @node Developers @chapter OpenOCD Developer Resources @@ -2378,7 +2378,7 @@ Amontec Chameleon in its JTAG Accelerator configuration, connected to a PC's EPP mode parallel port. This defines some driver-specific commands: -@deffn {Config Command} {parport_port} number +@deffn {Config Command} {parport port} number Specifies either the address of the I/O port (default: 0x378 for LPT1) or the number of the @file{/dev/parport} device. @end deffn @@ -2466,10 +2466,10 @@ configuration files, without the need to patch and rebuild OpenOCD. The driver uses a signal abstraction to enable Tcl configuration files to define outputs for one or several FTDI GPIO. These outputs can then be -controlled using the @command{ftdi_set_signal} command. Special signal names +controlled using the @command{ftdi set_signal} command. Special signal names are reserved for nTRST, nSRST and LED (for blink) so that they, if defined, will be used for their customary purpose. Inputs can be read using the -@command{ftdi_get_signal} command. +@command{ftdi get_signal} command. To support SWD, a signal named SWD_EN must be defined. It is set to 1 when the SWD protocol is selected. When set, the adapter should route the SWDIO pin to @@ -2494,21 +2494,21 @@ signal. The following output buffer configurations are supported: These interfaces have several commands, used to configure the driver before initializing the JTAG scan chain: -@deffn {Config Command} {ftdi_vid_pid} [vid pid]+ +@deffn {Config Command} {ftdi vid_pid} [vid pid]+ The vendor ID and product ID of the adapter. Up to eight [@var{vid}, @var{pid}] pairs may be given, e.g. @example -ftdi_vid_pid 0x0403 0xcff8 0x15ba 0x0003 +ftdi vid_pid 0x0403 0xcff8 0x15ba 0x0003 @end example @end deffn -@deffn {Config Command} {ftdi_device_desc} description +@deffn {Config Command} {ftdi device_desc} description Provides the USB device description (the @emph{iProduct string}) of the adapter. If not specified, the device description is ignored during device selection. @end deffn -@deffn {Config Command} {ftdi_serial} serial-number +@deffn {Config Command} {ftdi serial} serial-number Specifies the @var{serial-number} of the adapter to use, in case the vendor provides unique IDs and more than one adapter is connected to the host. @@ -2517,12 +2517,12 @@ If not specified, serial numbers are not considered. and are not restricted to containing only decimal digits.) @end deffn -@deffn {Config Command} {ftdi_channel} channel +@deffn {Config Command} {ftdi channel} channel Selects the channel of the FTDI device to use for MPSSE operations. Most adapters use the default, channel 0, but there are exceptions. @end deffn -@deffn {Config Command} {ftdi_layout_init} data direction +@deffn {Config Command} {ftdi layout_init} data direction Specifies the initial values of the FTDI GPIO data and direction registers. Each value is a 16-bit number corresponding to the concatenation of the high and low FTDI GPIO registers. The values should be selected based on the @@ -2531,7 +2531,7 @@ minimal impact on the target system. Avoid floating inputs, conflicting outputs and initially asserted reset signals. @end deffn -@deffn {Command} {ftdi_layout_signal} name [@option{-data}|@option{-ndata} data_mask] [@option{-input}|@option{-ninput} input_mask] [@option{-oe}|@option{-noe} oe_mask] [@option{-alias}|@option{-nalias} name] +@deffn {Command} {ftdi layout_signal} name [@option{-data}|@option{-ndata} data_mask] [@option{-input}|@option{-ninput} input_mask] [@option{-oe}|@option{-noe} oe_mask] [@option{-alias}|@option{-nalias} name] Creates a signal with the specified @var{name}, controlled by one or more FTDI GPIO pins via a range of possible buffer connections. The masks are FTDI GPIO register bitmasks to tell the driver the connection and type of the output @@ -2541,7 +2541,7 @@ used with inverting data inputs and @option{-data} with non-inverting inputs. The @option{-oe} (or @option{-noe}) option tells where the output-enable (or not-output-enable) input to the output buffer is connected. The options @option{-input} and @option{-ninput} specify the bitmask for pins to be read -with the method @command{ftdi_get_signal}. +with the method @command{ftdi get_signal}. Both @var{data_mask} and @var{oe_mask} need not be specified. For example, a simple open-collector transistor driver would be specified with @option{-oe} @@ -2562,7 +2562,7 @@ identical (or with data inverted) to an already specified signal @var{name}. @end deffn -@deffn {Command} {ftdi_set_signal} name @option{0}|@option{1}|@option{z} +@deffn {Command} {ftdi set_signal} name @option{0}|@option{1}|@option{z} Set a previously defined signal to the specified level. @itemize @minus @item @option{0}, drive low @@ -2571,11 +2571,11 @@ Set a previously defined signal to the specified level. @end itemize @end deffn -@deffn {Command} {ftdi_get_signal} name +@deffn {Command} {ftdi get_signal} name Get the value of a previously defined signal. @end deffn -@deffn {Command} {ftdi_tdo_sample_edge} @option{rising}|@option{falling} +@deffn {Command} {ftdi tdo_sample_edge} @option{rising}|@option{falling} Configure TCK edge at which the adapter samples the value of the TDO signal Due to signal propagation delays, sampling TDO on rising TCK can become quite @@ -2632,47 +2632,47 @@ FT232R These interfaces have several commands, used to configure the driver before initializing the JTAG scan chain: -@deffn {Config Command} {ft232r_vid_pid} @var{vid} @var{pid} +@deffn {Config Command} {ft232r vid_pid} @var{vid} @var{pid} The vendor ID and product ID of the adapter. If not specified, default 0x0403:0x6001 is used. @end deffn -@deffn {Config Command} {ft232r_serial_desc} @var{serial} +@deffn {Config Command} {ft232r serial_desc} @var{serial} Specifies the @var{serial} of the adapter to use, in case the vendor provides unique IDs and more than one adapter is connected to the host. If not specified, serial numbers are not considered. @end deffn -@deffn {Config Command} {ft232r_jtag_nums} @var{tck} @var{tms} @var{tdi} @var{tdo} +@deffn {Config Command} {ft232r jtag_nums} @var{tck} @var{tms} @var{tdi} @var{tdo} Set four JTAG GPIO numbers at once. If not specified, default 0 3 1 2 or TXD CTS RXD RTS is used. @end deffn -@deffn {Config Command} {ft232r_tck_num} @var{tck} +@deffn {Config Command} {ft232r tck_num} @var{tck} Set TCK GPIO number. If not specified, default 0 or TXD is used. @end deffn -@deffn {Config Command} {ft232r_tms_num} @var{tms} +@deffn {Config Command} {ft232r tms_num} @var{tms} Set TMS GPIO number. If not specified, default 3 or CTS is used. @end deffn -@deffn {Config Command} {ft232r_tdi_num} @var{tdi} +@deffn {Config Command} {ft232r tdi_num} @var{tdi} Set TDI GPIO number. If not specified, default 1 or RXD is used. @end deffn -@deffn {Config Command} {ft232r_tdo_num} @var{tdo} +@deffn {Config Command} {ft232r tdo_num} @var{tdo} Set TDO GPIO number. If not specified, default 2 or RTS is used. @end deffn -@deffn {Config Command} {ft232r_trst_num} @var{trst} +@deffn {Config Command} {ft232r trst_num} @var{trst} Set TRST GPIO number. If not specified, default 4 or DTR is used. @end deffn -@deffn {Config Command} {ft232r_srst_num} @var{srst} +@deffn {Config Command} {ft232r srst_num} @var{srst} Set SRST GPIO number. If not specified, default 6 or DCD is used. @end deffn -@deffn {Config Command} {ft232r_restore_serial} @var{word} +@deffn {Config Command} {ft232r restore_serial} @var{word} Restore serial port after JTAG. This USB bitmode control word (16-bit) will be sent before quit. Lower byte should set GPIO direction register to a "sane" state: @@ -2694,14 +2694,14 @@ instead of directly driving JTAG. The remote_bitbang driver is useful for debugging software running on processors which are being simulated. -@deffn {Config Command} {remote_bitbang_port} number +@deffn {Config Command} {remote_bitbang port} number Specifies the TCP port of the remote process to connect to or 0 to use UNIX sockets instead of TCP. @end deffn -@deffn {Config Command} {remote_bitbang_host} hostname +@deffn {Config Command} {remote_bitbang host} hostname Specifies the hostname of the remote process to connect to using TCP, or the -name of the UNIX socket to use if remote_bitbang_port is 0. +name of the UNIX socket to use if remote_bitbang port is 0. @end deffn For example, to connect remotely via TCP to the host foobar you might have @@ -2709,8 +2709,8 @@ something like: @example adapter driver remote_bitbang -remote_bitbang_port 3335 -remote_bitbang_host foobar +remote_bitbang port 3335 +remote_bitbang host foobar @end example To connect to another process running locally via UNIX sockets with socket @@ -2718,8 +2718,8 @@ named mysocket: @example adapter driver remote_bitbang -remote_bitbang_port 0 -remote_bitbang_host mysocket +remote_bitbang port 0 +remote_bitbang host mysocket @end example @end deffn @@ -2728,28 +2728,28 @@ USB JTAG/USB-Blaster compatibles over one of the userspace libraries for FTDI chips. These interfaces have several commands, used to configure the driver before initializing the JTAG scan chain: -@deffn {Config Command} {usb_blaster_device_desc} description +@deffn {Config Command} {usb_blaster device_desc} description Provides the USB device description (the @emph{iProduct string}) of the FTDI FT245 device. If not specified, the FTDI default value is used. This setting is only valid if compiled with FTD2XX support. @end deffn -@deffn {Config Command} {usb_blaster_vid_pid} vid pid +@deffn {Config Command} {usb_blaster vid_pid} vid pid The vendor ID and product ID of the FTDI FT245 device. If not specified, default values are used. Currently, only one @var{vid}, @var{pid} pair may be given, e.g. for Altera USB-Blaster (default): @example -usb_blaster_vid_pid 0x09FB 0x6001 +usb_blaster vid_pid 0x09FB 0x6001 @end example The following VID/PID is for Kolja Waschk's USB JTAG: @example -usb_blaster_vid_pid 0x16C0 0x06AD +usb_blaster vid_pid 0x16C0 0x06AD @end example @end deffn -@deffn {Command} {usb_blaster_pin} (@option{pin6}|@option{pin8}) (@option{0}|@option{1}|@option{s}|@option{t}) +@deffn {Command} {usb_blaster pin} (@option{pin6}|@option{pin8}) (@option{0}|@option{1}|@option{s}|@option{t}) Sets the state or function of the unused GPIO pins on USB-Blasters (pins 6 and 8 on the female JTAG header). These pins can be used as SRST and/or TRST provided the appropriate connections are made on the @@ -2757,18 +2757,18 @@ target board. For example, to use pin 6 as SRST: @example -usb_blaster_pin pin6 s +usb_blaster pin pin6 s reset_config srst_only @end example @end deffn -@deffn {Config Command} {usb_blaster_lowlevel_driver} (@option{ftdi}|@option{ublast2}) +@deffn {Config Command} {usb_blaster lowlevel_driver} (@option{ftdi}|@option{ublast2}) Chooses the low level access method for the adapter. If not specified, @option{ftdi} is selected unless it wasn't enabled during the configure stage. USB-Blaster II needs @option{ublast2}. @end deffn -@deffn {Config Command} {usb_blaster_firmware} @var{path} +@deffn {Config Command} {usb_blaster firmware} @var{path} This command specifies @var{path} to access USB-Blaster II firmware image. To be used with USB-Blaster II only. @end deffn @@ -2779,7 +2779,7 @@ image. To be used with USB-Blaster II only. Gateworks GW16012 JTAG programmer. This has one driver-specific command: -@deffn {Config Command} {parport_port} [port_number] +@deffn {Config Command} {parport port} [port_number] Display either the address of the I/O port (default: 0x378 for LPT1) or the number of the @file{/dev/parport} device. If a parameter is provided, first switch to use that port. @@ -2938,7 +2938,7 @@ Wigglers, PLD download cable, and more. These interfaces have several commands, used to configure the driver before initializing the JTAG scan chain: -@deffn {Config Command} {parport_cable} name +@deffn {Config Command} {parport cable} name Set the layout of the parallel port cable used to connect to the target. This is a write-once setting. Currently valid cable @var{name} values include: @@ -2968,18 +2968,18 @@ several clones, such as the Olimex ARM-JTAG @end itemize @end deffn -@deffn {Config Command} {parport_port} [port_number] +@deffn {Config Command} {parport port} [port_number] Display either the address of the I/O port (default: 0x378 for LPT1) or the number of the @file{/dev/parport} device. If a parameter is provided, first switch to use that port. This is a write-once setting. When using PPDEV to access the parallel port, use the number of the parallel port: -@option{parport_port 0} (the default). If @option{parport_port 0x378} is specified +@option{parport port 0} (the default). If @option{parport port 0x378} is specified you may encounter a problem. @end deffn -@deffn {Config Command} {parport_toggling_time} [nanoseconds] +@deffn {Config Command} {parport toggling_time} [nanoseconds] Displays how many nanoseconds the hardware needs to toggle TCK; the parport driver uses this value to obey the @command{adapter speed} configuration. @@ -2992,7 +2992,7 @@ However, you may want to calibrate for your specific hardware. To measure the toggling time with a logic analyzer or a digital storage oscilloscope, follow the procedure below: @example -> parport_toggling_time 1000 +> parport toggling_time 1000 > adapter speed 500 @end example This sets the maximum JTAG clock speed of the hardware, but @@ -3002,7 +3002,7 @@ You can use @command{runtest 1000} or something similar to generate a large set of samples. Update the setting to match your measurement: @example -> parport_toggling_time +> parport toggling_time @end example Now the clock speed will be a better match for @command{adapter speed} command given in OpenOCD scripts and event handlers. @@ -3016,7 +3016,7 @@ be conservative. @end quotation @end deffn -@deffn {Config Command} {parport_write_on_exit} (@option{on}|@option{off}) +@deffn {Config Command} {parport write_on_exit} (@option{on}|@option{off}) This will configure the parallel driver to write a known cable-specific value to the parallel interface on exiting OpenOCD. @end deffn @@ -3026,14 +3026,14 @@ classic ``Wiggler'' cable on LPT2 might look something like this: @example adapter driver parport -parport_port 0x278 -parport_cable wiggler +parport port 0x278 +parport cable wiggler @end example @end deffn @deffn {Interface Driver} {presto} ASIX PRESTO USB JTAG programmer. -@deffn {Config Command} {presto_serial} serial_string +@deffn {Config Command} {presto serial} serial_string Configures the USB serial number of the Presto device to use. @end deffn @end deffn @@ -3172,7 +3172,7 @@ exposed via extended capability registers in the PCI Express configuration space For more information see Xilinx PG245 (Section on From_PCIE_to_JTAG mode). -@deffn {Config Command} {xlnx_pcie_xvc_config} device +@deffn {Config Command} {xlnx_pcie_xvc config} device Specifies the PCI Express device via parameter @var{device} to use. The correct value for @var{device} can be obtained by looking at the output @@ -3197,6 +3197,73 @@ configuration on exit. See @file{interface/raspberrypi-native.cfg} for a sample config and pinout. +@deffn {Config Command} {bcm2835gpio jtag_nums} @var{tck} @var{tms} @var{tdi} @var{tdo} +Set JTAG transport GPIO numbers for TCK, TMS, TDI, and TDO (in that order). +Must be specified to enable JTAG transport. These pins can also be specified +individually. +@end deffn + +@deffn {Config Command} {bcm2835gpio tck_num} @var{tck} +Set TCK GPIO number. Must be specified to enable JTAG transport. Can also be +specified using the configuration command @command{bcm2835gpio jtag_nums}. +@end deffn + +@deffn {Config Command} {bcm2835gpio tms_num} @var{tms} +Set TMS GPIO number. Must be specified to enable JTAG transport. Can also be +specified using the configuration command @command{bcm2835gpio jtag_nums}. +@end deffn + +@deffn {Config Command} {bcm2835gpio tdo_num} @var{tdo} +Set TDO GPIO number. Must be specified to enable JTAG transport. Can also be +specified using the configuration command @command{bcm2835gpio jtag_nums}. +@end deffn + +@deffn {Config Command} {bcm2835gpio tdi_num} @var{tdi} +Set TDI GPIO number. Must be specified to enable JTAG transport. Can also be +specified using the configuration command @command{bcm2835gpio jtag_nums}. +@end deffn + +@deffn {Config Command} {bcm2835gpio swd_nums} @var{swclk} @var{swdio} +Set SWD transport GPIO numbers for SWCLK and SWDIO (in that order). Must be +specified to enable SWD transport. These pins can also be specified individually. +@end deffn + +@deffn {Config Command} {bcm2835gpio swclk_num} @var{swclk} +Set SWCLK GPIO number. Must be specified to enable SWD transport. Can also be +specified using the configuration command @command{bcm2835gpio swd_nums}. +@end deffn + +@deffn {Config Command} {bcm2835gpio swdio_num} @var{swdio} +Set SWDIO GPIO number. Must be specified to enable SWD transport. Can also be +specified using the configuration command @command{bcm2835gpio swd_nums}. +@end deffn + +@deffn {Config Command} {bcm2835gpio swdio_dir_num} @var{swdio} @var{dir} +Set SWDIO direction control pin GPIO number. If specified, this pin can be used +to control the direction of an external buffer on the SWDIO pin (set=output +mode, clear=input mode). If not specified, this feature is disabled. +@end deffn + +@deffn {Config Command} {bcm2835gpio srst_num} @var{srst} +Set SRST GPIO number. Must be specified to enable SRST. +@end deffn + +@deffn {Config Command} {bcm2835gpio trst_num} @var{trst} +Set TRST GPIO number. Must be specified to enable TRST. +@end deffn + +@deffn {Config Command} {bcm2835gpio speed_coeffs} @var{speed_coeff} @var{speed_offset} +Set SPEED_COEFF and SPEED_OFFSET for delay calculations. If unspecified, +speed_coeff defaults to 113714, and speed_offset defaults to 28. +@end deffn + +@deffn {Config Command} {bcm2835gpio peripheral_base} @var{base} +Set the peripheral base register address to access GPIOs. For the RPi1, use +0x20000000. For RPi2 and RPi3, use 0x3F000000. For RPi4, use 0xFE000000. A full +list can be found in the +@uref{https://www.raspberrypi.org/documentation/hardware/raspberrypi/peripheral_addresses.md, official guide}. +@end deffn + @end deffn @deffn {Interface Driver} {imx_gpio} @@ -3231,7 +3298,7 @@ See @file{interface/sysfsgpio-raspberrypi.cfg} for a sample config. OpenJTAG compatible USB adapter. This defines some driver-specific commands: -@deffn {Config Command} {openjtag_variant} variant +@deffn {Config Command} {openjtag variant} variant Specifies the variant of the OpenJTAG adapter (see @uref{http://www.openjtag.org/}). Currently valid @var{variant} values include: @@ -3242,7 +3309,7 @@ Currently valid @var{variant} values include: @end itemize @end deffn -@deffn {Config Command} {openjtag_device_desc} string +@deffn {Config Command} {openjtag device_desc} string The USB device description string of the adapter. This value is only used with the standard variant. @end deffn @@ -3254,11 +3321,11 @@ SystemVerilog Direct Programming Interface (DPI) compatible driver for JTAG devices in emulation. The driver acts as a client for the SystemVerilog DPI server interface. -@deffn {Config Command} {jtag_dpi_set_port} port +@deffn {Config Command} {jtag_dpi set_port} port Specifies the TCP/IP port number of the SystemVerilog DPI server interface. @end deffn -@deffn {Config Command} {jtag_dpi_set_address} address +@deffn {Config Command} {jtag_dpi set_address} address Specifies the TCP/IP address of the SystemVerilog DPI server interface. @end deffn @end deffn @@ -3272,21 +3339,21 @@ It uses a simple data protocol over a serial port connection. Most hardware development boards have a UART, a real serial port, or a virtual USB serial device, so this driver allows you to start building your own JTAG adapter without the complexity of a custom USB connection. -@deffn {Config Command} {buspirate_port} serial_port +@deffn {Config Command} {buspirate port} serial_port Specify the serial port's filename. For example: @example -buspirate_port /dev/ttyUSB0 +buspirate port /dev/ttyUSB0 @end example @end deffn -@deffn {Config Command} {buspirate_speed} (normal|fast) +@deffn {Config Command} {buspirate speed} (normal|fast) Set the communication speed to 115k (normal) or 1M (fast). For example: @example -buspirate_mode normal +buspirate speed normal @end example @end deffn -@deffn {Config Command} {buspirate_mode} (normal|open-drain) +@deffn {Config Command} {buspirate mode} (normal|open-drain) Set the Bus Pirate output mode. @itemize @minus @item In normal mode (push/pull), do not enable the pull-ups, and do not connect I/O header pin VPU to JTAG VREF. @@ -3294,33 +3361,33 @@ Set the Bus Pirate output mode. @end itemize For example: @example -buspirate_mode normal +buspirate mode normal @end example @end deffn -@deffn {Config Command} {buspirate_pullup} (0|1) +@deffn {Config Command} {buspirate pullup} (0|1) Whether to connect (1) or not (0) the I/O header pin VPU (JTAG VREF) to the pull-up/pull-down resistors on MOSI (JTAG TDI), CLK (JTAG TCK), MISO (JTAG TDO) and CS (JTAG TMS). For example: @example -buspirate_pullup 0 +buspirate pullup 0 @end example @end deffn -@deffn {Config Command} {buspirate_vreg} (0|1) +@deffn {Config Command} {buspirate vreg} (0|1) Whether to enable (1) or disable (0) the built-in voltage regulator, which can be used to supply power to a test circuit through I/O header pins +3V3 and +5V. For example: @example -buspirate_vreg 0 +buspirate vreg 0 @end example @end deffn -@deffn {Command} {buspirate_led} (0|1) +@deffn {Command} {buspirate led} (0|1) Turns the Bus Pirate's LED on (1) or off (0). For example: @end deffn @example -buspirate_led 1 +buspirate led 1 @end example @end deffn @@ -6710,6 +6777,17 @@ Show information about flash driver. @end deffn +@deffn {Flash Driver} {npcx} +All versions of the NPCX microcontroller families from Nuvoton include internal +flash. The NPCX flash driver supports the NPCX family of devices. The driver +automatically recognizes the specific version's flash parameters and +autoconfigures itself. The flash bank starts at address 0x64000000. + +@example +flash bank $_FLASHNAME npcx 0x64000000 0 0 0 $_TARGETNAME +@end example +@end deffn + @deffn {Flash Driver} {nrf5} All members of the nRF51 microcontroller families from Nordic Semiconductor include internal flash and use ARM Cortex-M0 core. @@ -7235,7 +7313,7 @@ The @var{num} parameter is a value shown by @command{flash banks}. @end deffn @deffn {Flash Driver} {stm32l4x} -All members of the STM32 G0, G4, L4, L4+, L5, WB and WL +All members of the STM32 G0, G4, L4, L4+, L5, U5, WB and WL microcontroller families from STMicroelectronics include internal flash and use ARM Cortex-M0+, M4 and M33 cores. The driver automatically recognizes a number of these chips using @@ -7277,6 +7355,13 @@ Unlocks the entire stm32 device. The @var{num} parameter is a value shown by @command{flash banks}. @end deffn +@deffn Command {stm32l4x flashloader} num [@option{enable} | @option{disable}] +Enables or disables the flashloader usage (enabled by default), +when disabled it will fall back to direct memory access to program the Flash or OTP memories. +if neither @option{enabled} nor @option{disable} are specified, the command will display +the current configuration. +@end deffn + @deffn {Command} {stm32l4x mass_erase} num Mass erases the entire stm32l4x device. The @var{num} parameter is a value shown by @command{flash banks}. @@ -7333,6 +7418,14 @@ write protected areas in a specific @var{device_bank} Forces a re-load of the option byte registers. Will cause a system reset of the device. The @var{num} parameter is a value shown by @command{flash banks}. @end deffn + +@deffn Command {stm32l4x trustzone} num [@option{enable} | @option{disable}] +Enables or disables Global TrustZone Security, using the TZEN option bit. +If neither @option{enabled} nor @option{disable} are specified, the command will display +the TrustZone status. +@emph{Note:} This command works only with devices with TrustZone, eg. STM32L5. +@emph{Note:} This command will perform an OBL_Launch after modifying the TZEN. +@end deffn @end deffn @deffn {Flash Driver} {str7x}