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| author | Haiying Wang <Haiying.Wang@freescale.com> | 2008-11-13 07:46:12 -0600 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2008-12-03 10:51:01 -0600 |
| commit | 06be64a366885569f46a7e0e50b351266d28f5fc (patch) | |
| tree | d65da511a0ebb180569a3f2ab795701de018fee8 /arch/powerpc/platforms | |
| parent | c64ef80b517680f1e228b2ee55e3ce7cd94c7fe0 (diff) | |
| download | op-kernel-dev-06be64a366885569f46a7e0e50b351266d28f5fc.zip op-kernel-dev-06be64a366885569f46a7e0e50b351266d28f5fc.tar.gz | |
powerpc/85xx: Don't reset the MPIC for CAMP mode on MPC8572DS
The flag MPIC_WANTS_RESET shouldn't be set if we are doing cooperative
asymmetric MP. The second linux shouldn't reset the pic or the first
one gets very confused.
Signed-off-by: Haiying Wang <Haiying.Wang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/85xx/mpc85xx_ds.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index 613bf8c..a8301c8 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -63,6 +63,7 @@ void __init mpc85xx_ds_pic_init(void) struct device_node *cascade_node = NULL; int cascade_irq; #endif + unsigned long root = of_get_flat_dt_root(); np = of_find_node_by_type(NULL, "open-pic"); if (np == NULL) { @@ -76,11 +77,19 @@ void __init mpc85xx_ds_pic_init(void) return; } - mpic = mpic_alloc(np, r.start, + if (of_flat_dt_is_compatible(root, "fsl,MPC8572DS-CAMP")) { + mpic = mpic_alloc(np, r.start, + MPIC_PRIMARY | + MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS, + 0, 256, " OpenPIC "); + } else { + mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN | MPIC_BROKEN_FRR_NIRQS | MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC "); + } + BUG_ON(mpic == NULL); of_node_put(np); |
