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mpc85xx: fix interrupt init to not affect watchdog

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TCR watchdog bit are overwritten when dec interrupt is enabled.
This has been fixed with this patch.

Signed-off-by: Rainer Boschung <rainer.boschung@keymile.com>
Reviewed-by: York Sun <yorksun@freescale.com>
This commit is contained in:
Boschung, Rainer 2014-06-03 09:05:12 +02:00 committed by York Sun
parent fb5368789a
commit 3345d18d5b
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/cpu/mpc85xx/interrupts.c
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@ -42,7 +42,7 @@ int interrupt_init_cpu(unsigned int *decrementer_count)
*decrementer_count = get_tbclk() / CONFIG_SYS_HZ;
/* PIE is same as DIE, dec interrupt enable */
mtspr(SPRN_TCR, TCR_PIE);
mtspr(SPRN_TCR, mfspr(SPRN_TCR) | TCR_PIE);
#ifdef CONFIG_INTERRUPTS
pic->iivpr1 = 0x810001; /* 50220 enable ecm interrupts */