diff options
Diffstat (limited to 'arch/x86/cpu/irq.c')
| -rw-r--r-- | arch/x86/cpu/irq.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c index ec556d3bd2..096c34f563 100644 --- a/arch/x86/cpu/irq.c +++ b/arch/x86/cpu/irq.c @@ -116,10 +116,16 @@ static int create_pirq_routing_table(struct udevice *dev) return -EINVAL; } - ret = fdtdec_get_int(blob, node, "intel,pirq-link", -1); - if (ret == -1) - return ret; - priv->link_base = ret; + cell = fdt_getprop(blob, node, "intel,pirq-link", &len); + if (!cell || len != 8) + return -EINVAL; + priv->link_base = fdt_addr_to_cpu(cell[0]); + priv->link_num = fdt_addr_to_cpu(cell[1]); + if (priv->link_num > CONFIG_MAX_PIRQ_LINKS) { + debug("Limiting supported PIRQ link number from %d to %d\n", + priv->link_num, CONFIG_MAX_PIRQ_LINKS); + priv->link_num = CONFIG_MAX_PIRQ_LINKS; + } priv->irq_mask = fdtdec_get_int(blob, node, "intel,pirq-mask", PIRQ_BITMAP); |