stm32: Add option to disable SWD on GigaDevice STM32F103 clones

Tested by @FotoFieber. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2021-11-24 11:15:22 -05:00
parent 790d48b46c
commit 2b7d0bba42
2 changed files with 17 additions and 2 deletions
--- a/src/stm32/Kconfig
+++ b/src/stm32/Kconfig
@@ -155,6 +155,16 @@ config STACK_SIZE
    int
    default 512

+config STM32F103GD_DISABLE_SWD
+    bool "Disable SWD at startup (for GigaDevice stm32f103 clones)"
+    depends on MACH_STM32F103 && LOW_LEVEL_OPTIONS
+    default n
+    help
+        The GigaDevice clone of the STM32F103 may not be able to
+        reliably disable SWD at run-time. This can prevent the PA13
+        and PA14 pins from being available. Selecting this option
+        disables SWD at startup and thus makes these pins available.
+

 ######################################################################
 # Bootloader