Skip to content

Fix app jump failure at high clock speeds on RT1170 #470

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
hathach merged 1 commit into from
Jan 7, 2026
Merged

Fix app jump failure at high clock speeds on RT1170 #470

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 13 additions & 0 deletions ports/mimxrt10xx/boards.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,19 @@ void board_app_jump(void) {

// TODO protect bootloader region

// Clean and disable caches before jumping to app
// This is needed when running at full speed (996MHz) - without it
// stale cache data can cause a crash on startup
#if defined(__DCACHE_PRESENT) && __DCACHE_PRESENT
SCB_CleanDCache();
SCB_DisableDCache();
#endif
#if defined(__ICACHE_PRESENT) && __ICACHE_PRESENT
SCB_DisableICache();
#endif
__DSB();
__ISB();

/* switch exception handlers to the application */
SCB->VTOR = (uint32_t)BOARD_FLASH_APP_START;

Expand Down
Loading