diff options
Diffstat (limited to 'arch/powerpc/sysdev/mpic.c')
| -rw-r--r-- | arch/powerpc/sysdev/mpic.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c index f74fe26b787..5a9d8c141e6 100644 --- a/arch/powerpc/sysdev/mpic.c +++ b/arch/powerpc/sysdev/mpic.c @@ -83,6 +83,7 @@ static u32 mpic_infos[][MPIC_IDX_END] = { MPIC_CPU_WHOAMI, MPIC_CPU_INTACK, MPIC_CPU_EOI, + MPIC_CPU_MCACK, MPIC_IRQ_BASE, MPIC_IRQ_STRIDE, @@ -121,6 +122,7 @@ static u32 mpic_infos[][MPIC_IDX_END] = { TSI108_CPU_WHOAMI, TSI108_CPU_INTACK, TSI108_CPU_EOI, + TSI108_CPU_MCACK, TSI108_IRQ_BASE, TSI108_IRQ_STRIDE, @@ -1126,6 +1128,11 @@ struct mpic * __init mpic_alloc(struct device_node *node, mb(); } + 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)) + | MPIC_GREG_GCONF_MCK); + /* Read feature register, calculate num CPUs and, for non-ISU * MPICs, num sources as well. On ISU MPICs, sources are counted * as ISUs are added @@ -1438,13 +1445,13 @@ void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask) mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0])); } -unsigned int mpic_get_one_irq(struct mpic *mpic) +static unsigned int _mpic_get_one_irq(struct mpic *mpic, int reg) { u32 src; - src = mpic_cpu_read(MPIC_INFO(CPU_INTACK)) & MPIC_INFO(VECPRI_VECTOR_MASK); + src = mpic_cpu_read(reg) & MPIC_INFO(VECPRI_VECTOR_MASK); #ifdef DEBUG_LOW - DBG("%s: get_one_irq(): %d\n", mpic->name, src); + DBG("%s: get_one_irq(reg 0x%x): %d\n", mpic->name, reg, src); #endif if (unlikely(src == mpic->spurious_vec)) { if (mpic->flags & MPIC_SPV_EOI) @@ -1462,6 +1469,11 @@ unsigned int mpic_get_one_irq(struct mpic *mpic) return irq_linear_revmap(mpic->irqhost, src); } +unsigned int mpic_get_one_irq(struct mpic *mpic) +{ + return _mpic_get_one_irq(mpic, MPIC_INFO(CPU_INTACK)); +} + unsigned int mpic_get_irq(void) { struct mpic *mpic = mpic_primary; @@ -1471,6 +1483,14 @@ unsigned int mpic_get_irq(void) return mpic_get_one_irq(mpic); } +unsigned int mpic_get_mcirq(void) +{ + struct mpic *mpic = mpic_primary; + + BUG_ON(mpic == NULL); + + return _mpic_get_one_irq(mpic, MPIC_INFO(CPU_MCACK)); +} #ifdef CONFIG_SMP void mpic_request_ipis(void) |