diff options
Diffstat (limited to 'contrib/loaders/watchdog/armv7m_kinetis_wdog.s')
| -rw-r--r-- | contrib/loaders/watchdog/armv7m_kinetis_wdog.s | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/contrib/loaders/watchdog/armv7m_kinetis_wdog.s b/contrib/loaders/watchdog/armv7m_kinetis_wdog.s index bac924ab..d7241927 100644 --- a/contrib/loaders/watchdog/armv7m_kinetis_wdog.s +++ b/contrib/loaders/watchdog/armv7m_kinetis_wdog.s @@ -19,7 +19,9 @@ /* Disable watchdog for Kinetis Kx and KVx - Parameters: none + Parameters: + r0 ... WDOG base (in) + Used instruction set should work on both Cortex-M4 and M0+ */ @@ -28,7 +30,6 @@ .cpu cortex-m0 .thumb -WDOG_ADDR = 0x40052000 /* WDOG registers offsets */ WDOG_STCTRLH = 0 WDOG_UNLOCK = 0x0e @@ -39,17 +40,16 @@ WDOG_KEY2 = 0xd928 .thumb_func start: /* WDOG_UNLOCK = 0xC520 */ - ldr r3, =WDOG_ADDR ldr r2, =WDOG_KEY1 - strh r2, [r3, WDOG_UNLOCK] + strh r2, [r0, WDOG_UNLOCK] /* WDOG_UNLOCK = 0xD928 */ ldr r2, =WDOG_KEY2 - strh r2, [r3, WDOG_UNLOCK] + strh r2, [r0, WDOG_UNLOCK] /* WDOG_STCTRLH clear bit 0 */ movs r4, #1 - ldrh r2, [r3, WDOG_STCTRLH] + ldrh r2, [r0, WDOG_STCTRLH] bics r2, r4 - strh r2, [r3, WDOG_STCTRLH] + strh r2, [r0, WDOG_STCTRLH] /* OpenOCD checks exit point address. Jump to the very end. */ b done |