docs: add missing stm32 flash driver documentation

Change-Id: I433780646e6fdfd0c2527b4a68025946ccb79d8b
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/4307
Tested-by: jenkins
Reviewed-by: <alexandre.torgue@st.com>
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

1 files changed, 67 insertions, 0 deletions

diff --git a/doc/openocd.texi b/doc/openocd.texi
index 2719c2d..ac491b1 100644
--- a/doc/openocd.texi
+++ b/doc/openocd.texi
@@ -5952,6 +5952,12 @@ Unlocks the entire stm32 device.
 The @var{num} parameter is a value shown by @command{flash banks}.
 @end deffn
 
+@deffn Command {stm32f1x mass_erase} num
+Mass erases the entire stm32f1x device. This is the only way to
+unlock a protected flash (unless RDP Level is 2 which can't be unlocked at all).
+The @var{num} parameter is a value shown by @command{flash banks}.
+@end deffn
+
 @deffn Command {stm32f1x options_read} num
 Read and display the stm32 option bytes written by
 the @command{stm32f1x options_write} command.
@@ -5970,6 +5976,10 @@ include internal flash and use ARM Cortex-M3/M4/M7 cores.
 The driver automatically recognizes a number of these chips using
 the chip identification register, and autoconfigures itself.
 
+@example
+flash bank $_FLASHNAME stm32f2x 0 0 0 0 $_TARGETNAME
+@end example
+
 Note that some devices have been found that have a flash size register that contains
 an invalid value, to workaround this issue you can override the probed value used by
 the flash driver.
@@ -5990,6 +6000,12 @@ Unlocks the entire stm32 device.
 The @var{num} parameter is a value shown by @command{flash banks}.
 @end deffn
 
+@deffn Command {stm32f2x mass_erase} num
+Mass erases the entire stm32f2x device. This is the only way to
+unlock a protected flash (unless RDP Level is 2 which can't be unlocked at all).
+The @var{num} parameter is a value shown by @command{flash banks}.
+@end deffn
+
 @deffn Command {stm32f2x options_read} num
 Reads and displays user options and (where implemented) boot_addr0, boot_addr1, optcr2.
 The @var{num} parameter is a value shown by @command{flash banks}.
@@ -6015,6 +6031,10 @@ include internal flash and use ARM Cortex-M7 core.
 The driver automatically recognizes a number of these chips using
 the chip identification register, and autoconfigures itself.
 
+@example
+flash bank $_FLASHNAME stm32h7x 0 0 0 0 $_TARGETNAME
+@end example
+
 Note that some devices have been found that have a flash size register that contains
 an invalid value, to workaround this issue you can override the probed value used by
 the flash driver.
@@ -6034,6 +6054,12 @@ The @var{num} parameter is a value shown by @command{flash banks}.
 Unlocks the entire stm32 device.
 The @var{num} parameter is a value shown by @command{flash banks}.
 @end deffn
+
+@deffn Command {stm32h7x mass_erase} num
+Mass erases the entire stm32h7x device. This is the only way to
+unlock a protected flash (unless RDP Level is 2 which can't be unlocked at all).
+The @var{num} parameter is a value shown by @command{flash banks}.
+@end deffn
 @end deffn
 
 @deffn {Flash Driver} stm32lx
@@ -6042,6 +6068,10 @@ include internal flash and use ARM Cortex-M3 and Cortex-M0+ cores.
 The driver automatically recognizes a number of these chips using
 the chip identification register, and autoconfigures itself.
 
+@example
+flash bank $_FLASHNAME stm32lx 0 0 0 0 $_TARGETNAME
+@end example
+
 Note that some devices have been found that have a flash size register that contains
 an invalid value, to workaround this issue you can override the probed value used by
 the flash driver. If you use 0 as the bank base address, it tells the
@@ -6062,6 +6092,43 @@ The @var{num} parameter is a value shown by @command{flash banks}.
 @end deffn
 @end deffn
 
+@deffn {Flash Driver} stm32l4x
+All members of the STM32L4 microcontroller families from ST Microelectronics
+include internal flash and use ARM Cortex-M4 cores.
+The driver automatically recognizes a number of these chips using
+the chip identification register, and autoconfigures itself.
+
+@example
+flash bank $_FLASHNAME stm32l4x 0 0 0 0 $_TARGETNAME
+@end example
+
+Note that some devices have been found that have a flash size register that contains
+an invalid value, to workaround this issue you can override the probed value used by
+the flash driver.
+
+@example
+flash bank $_FLASHNAME stm32l4x 0x08000000 0x40000 0 0 $_TARGETNAME
+@end example
+
+Some stm32l4x-specific commands are defined:
+
+@deffn Command {stm32l4x lock} num
+Locks the entire stm32 device.
+The @var{num} parameter is a value shown by @command{flash banks}.
+@end deffn
+
+@deffn Command {stm32l4x unlock} num
+Unlocks the entire stm32 device.
+The @var{num} parameter is a value shown by @command{flash banks}.
+@end deffn
+
+@deffn Command {stm32l4x mass_erase} num
+Mass erases the entire stm32l4x device. This is the only way to
+unlock a protected flash (unless RDP Level is 2 which can't be unlocked at all).
+The @var{num} parameter is a value shown by @command{flash banks}.
+@end deffn
+@end deffn
+
 @deffn {Flash Driver} str7x
 All members of the STR7 microcontroller family from ST Microelectronics
 include internal flash and use ARM7TDMI cores.