On Tue, 2014-06-03 at 09:05 +0200, Rainer Boschung wrote:
Function to inititialize the cpu watchdog added.
Signed-off-by: Rainer Boschung rainer.boschung@keymile.com
arch/powerpc/cpu/mpc85xx/cpu.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c index 684d400..6274f92 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu.c +++ b/arch/powerpc/cpu/mpc85xx/cpu.c @@ -310,6 +310,14 @@ __weak unsigned long get_tbclk (void)
#if defined(CONFIG_WATCHDOG) +#define WATCHDOG_MASK (TCR_WP(63) | TCR_WRC(3) | TCR_WIE) +void +init_85xx_watchdog(void) +{
- mtspr(SPRN_TCR, (mfspr(SPRN_TCR) & ~WATCHDOG_MASK) |
TCR_WP(CONFIG_WATCHDOG_PRESC) | TCR_WRC(CONFIG_WATCHDOG_RC));+}
These config symbols require documentation, and defaults to avoid breaking the build of existing mpc85xx boards that enable CONFIG_WATCHDOG (even if you add this later in the patchset, you're breaking bisectability).
-Scott