Skip to content

wdt: Disarm secondary watchdog on t814x #564

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
jannau merged 1 commit into from
May 1, 2026
+11 −1
Merged

wdt: Disarm secondary watchdog on t814x #564

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
12 changes: 11 additions & 1 deletion src/wdt.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@
#define WDT_ALARM 0x14
#define WDT_CTL 0x1c

#define WDT_2ND_OFFSET 0x8008

static u64 wdt_base = 0;

void wdt_disable(void)
Expand All @@ -26,9 +28,17 @@ void wdt_disable(void)
return;
}

printf("WDT registers @ 0x%lx\n", wdt_base);
u64 wdt_2nd = 0;
if (adt_get_reg(adt, path, "reg", 2, &wdt_2nd, NULL)) {
printf("Failed to get WDT reg[2] property!\n");
}

printf("WDT registers @ 0x%lx (0x%lx)\n", wdt_base, wdt_2nd);

write32(wdt_base + WDT_CTL, 0);
// disable seconmdary watchdog enabled on M4 / A18 Pro with macOS 26
if ((wdt_2nd - wdt_base) == WDT_2ND_OFFSET)
write32(wdt_2nd, 0);

printf("WDT disabled\n");
}
Expand Down