diff options
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 50 |
1 files changed, 43 insertions, 7 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index 532e205303a2..0efc12d1a3d7 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -1057,13 +1057,6 @@ struct mpic * __init mpic_alloc(struct device_node *node, memset(mpic, 0, sizeof(struct mpic)); mpic->name = name; - mpic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR, - isu_size, &mpic_host_ops, - flags & MPIC_LARGE_VECTORS ? 2048 : 256); - if (mpic->irqhost == NULL) - return NULL; - - mpic->irqhost->host_data = mpic; mpic->hc_irq = mpic_irq_chip; mpic->hc_irq.typename = name; if (flags & MPIC_PRIMARY) @@ -1170,6 +1163,12 @@ struct mpic * __init mpic_alloc(struct device_node *node, mb(); } + /* CoreInt */ + if (flags & MPIC_ENABLE_COREINT) + mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0), + mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0)) + | MPIC_GREG_GCONF_COREINT); + if (flags & MPIC_ENABLE_MCK) mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0), mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0)) @@ -1207,6 +1206,15 @@ struct mpic * __init mpic_alloc(struct device_node *node, mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1); mpic->isu_mask = (1 << mpic->isu_shift) - 1; + mpic->irqhost = irq_alloc_host(node, IRQ_HOST_MAP_LINEAR, + isu_size ? isu_size : mpic->num_sources, + &mpic_host_ops, + flags & MPIC_LARGE_VECTORS ? 2048 : 256); + if (mpic->irqhost == NULL) + return NULL; + + mpic->irqhost->host_data = mpic; + /* Display version */ switch (greg_feature & MPIC_GREG_FEATURE_VERSION_MASK) { case 1: @@ -1525,6 +1533,34 @@ unsigned int mpic_get_irq(void) return mpic_get_one_irq(mpic); } +unsigned int mpic_get_coreint_irq(void) +{ +#ifdef CONFIG_BOOKE + struct mpic *mpic = mpic_primary; + u32 src; + + BUG_ON(mpic == NULL); + + src = mfspr(SPRN_EPR); + + if (unlikely(src == mpic->spurious_vec)) { + if (mpic->flags & MPIC_SPV_EOI) + mpic_eoi(mpic); + return NO_IRQ; + } + if (unlikely(mpic->protected && test_bit(src, mpic->protected))) { + if (printk_ratelimit()) + printk(KERN_WARNING "%s: Got protected source %d !\n", + mpic->name, (int)src); + return NO_IRQ; + } + + return irq_linear_revmap(mpic->irqhost, src); +#else + return NO_IRQ; +#endif +} + unsigned int mpic_get_mcirq(void) { struct mpic *mpic = mpic_primary; |