diff options
Diffstat (limited to 'arch/sparc64/kernel/prom.c')
-rw-r--r-- | arch/sparc64/kernel/prom.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c index 8a70c52c044..fa484d4f241 100644 --- a/arch/sparc64/kernel/prom.c +++ b/arch/sparc64/kernel/prom.c @@ -1008,6 +1008,27 @@ static struct irq_trans pci_irq_trans_table[] = { }; #endif +static unsigned int sun4v_vdev_irq_build(struct device_node *dp, + unsigned int devino, + void *_data) +{ + u32 devhandle = (u32) (unsigned long) _data; + + return sun4v_build_irq(devhandle, devino); +} + +static void sun4v_vdev_irq_trans_init(struct device_node *dp) +{ + struct linux_prom64_registers *regs; + + dp->irq_trans = prom_early_alloc(sizeof(struct of_irq_controller)); + dp->irq_trans->irq_build = sun4v_vdev_irq_build; + + regs = of_get_property(dp, "reg", NULL); + dp->irq_trans->data = (void *) (unsigned long) + ((regs->phys_addr >> 32UL) & 0x0fffffff); +} + static void irq_trans_init(struct device_node *dp) { const char *model; @@ -1034,6 +1055,8 @@ static void irq_trans_init(struct device_node *dp) #endif if (!strcmp(dp->name, "central")) return central_irq_trans_init(dp->child); + if (!strcmp(dp->name, "virtual-devices")) + return sun4v_vdev_irq_trans_init(dp); } static int is_root_node(const struct device_node *dp) |