diff options
| author | Boschung, Rainer <Rainer.Boschung@keymile.com> | 2014-06-03 09:05:12 +0200 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-08-01 14:17:44 -0700 |
| commit | 3345d18d5baad05807ecac36bc4125dbc74d288f (patch) | |
| tree | bc3b9f67af78dc490ae7068610f411634ad2d95c | |
| parent | fb5368789a45ca5ee4396cbbf563a8f16ab24f9c (diff) | |
mpc85xx: fix interrupt init to not affect watchdog
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>
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/interrupts.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/cpu/mpc85xx/interrupts.c b/arch/powerpc/cpu/mpc85xx/interrupts.c index a36a4af9da..daf46a9ba8 100644 --- a/arch/powerpc/cpu/mpc85xx/interrupts.c +++ b/arch/powerpc/cpu/mpc85xx/interrupts.c @@ -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 */ |