[U-Boot] [PATCH 3/9] mpc85xx: watchdog initialisation added

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)); +} + void reset_85xx_watchdog(void) {