1 files changed, 57 insertions, 13 deletions

diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 212a94f5d34b..6ffdda244bb1 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,
@@ -265,7 +267,7 @@ static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
  */
 
 
-static void _mpic_map_mmio(struct mpic *mpic, unsigned long phys_addr,
+static void _mpic_map_mmio(struct mpic *mpic, phys_addr_t phys_addr,
                            struct mpic_reg_bank *rb, unsigned int offset,
                            unsigned int size)
 {
@@ -285,7 +287,7 @@ static void _mpic_map_dcr(struct mpic *mpic, struct mpic_reg_bank *rb,
         BUG_ON(!DCR_MAP_OK(rb->dhost));
 }
 
-static inline void mpic_map(struct mpic *mpic, unsigned long phys_addr,
+static inline void mpic_map(struct mpic *mpic, phys_addr_t phys_addr,
                             struct mpic_reg_bank *rb, unsigned int offset,
                             unsigned int size)
 {
@@ -612,12 +614,11 @@ static inline void mpic_eoi(struct mpic *mpic)
 }
 
 #ifdef CONFIG_SMP
-static irqreturn_t mpic_ipi_action(int irq, void *dev_id)
+static irqreturn_t mpic_ipi_action(int irq, void *data)
 {
-        struct mpic *mpic;
+        long ipi = (long)data;
 
-        mpic = mpic_find(irq, NULL);
-        smp_message_recv(mpic_irq_to_hw(irq) - mpic->ipi_vecs[0]);
+        smp_message_recv(ipi);
 
         return IRQ_HANDLED;
 }
@@ -842,6 +843,24 @@ int mpic_set_irq_type(unsigned int virq, unsigned int flow_type)
         return 0;
 }
 
+void mpic_set_vector(unsigned int virq, unsigned int vector)
+{
+        struct mpic *mpic = mpic_from_irq(virq);
+        unsigned int src = mpic_irq_to_hw(virq);
+        unsigned int vecpri;
+
+        DBG("mpic: set_vector(mpic:@%p,virq:%d,src:%d,vector:0x%x)\n",
+            mpic, virq, src, vector);
+
+        if (src >= mpic->irq_count)
+                return;
+
+        vecpri = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
+        vecpri = vecpri & ~MPIC_INFO(VECPRI_VECTOR_MASK);
+        vecpri |= vector;
+        mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI), vecpri);
+}
+
 static struct irq_chip mpic_irq_chip = {
         .mask           = mpic_mask_irq,
         .unmask         = mpic_unmask_irq,
@@ -1109,6 +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
@@ -1230,6 +1254,8 @@ void __init mpic_init(struct mpic *mpic)
                 mpic_u3msi_init(mpic);
         }
 
+        mpic_pasemi_msi_init(mpic);
+
         for (i = 0; i < mpic->num_sources; i++) {
                 /* start with vector = source number, and masked */
                 u32 vecpri = MPIC_VECPRI_MASK | i |
@@ -1253,6 +1279,11 @@ void __init mpic_init(struct mpic *mpic)
                            mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
                            | MPIC_GREG_GCONF_8259_PTHROU_DIS);
 
+        if (mpic->flags & MPIC_NO_BIAS)
+                mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0),
+                        mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
+                        | MPIC_GREG_GCONF_NO_BIAS);
+
         /* Set current processor priority to 0 */
         mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
 
@@ -1419,13 +1450,13 @@ 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)
@@ -1443,6 +1474,11 @@ 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;
@@ -1452,12 +1488,20 @@ 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)
 {
         struct mpic *mpic = mpic_primary;
-        int i, err;
+        long i, err;
         static char *ipi_names[] = {
                 "IPI0 (call function)",
                 "IPI1 (reschedule)",
@@ -1472,14 +1516,14 @@ void mpic_request_ipis(void)
                 unsigned int vipi = irq_create_mapping(mpic->irqhost,
                                                        mpic->ipi_vecs[0] + i);
                 if (vipi == NO_IRQ) {
-                        printk(KERN_ERR "Failed to map IPI %d\n", i);
+                        printk(KERN_ERR "Failed to map IPI %ld\n", i);
                         break;
                 }
                 err = request_irq(vipi, mpic_ipi_action,
                                   IRQF_DISABLED|IRQF_PERCPU,
-                                  ipi_names[i], mpic);
+                                  ipi_names[i], (void *)i);
                 if (err) {
-                        printk(KERN_ERR "Request of irq %d for IPI %d failed\n",
+                        printk(KERN_ERR "Request of irq %d for IPI %ld failed\n",
                                vipi, i);
                         break;
                 }