[SBUS]: Start cleaning up generic sbus support layer.
In particular, move the IRQ probing out to sparc32/sparc64
arch specific code where it belongs.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index f9ff297..00cf411 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -224,10 +224,54 @@
#ifdef CONFIG_SBUS
-void sbus_set_sbus64(struct sbus_dev *sdev, int x) {
+void sbus_set_sbus64(struct sbus_dev *sdev, int x)
+{
printk("sbus_set_sbus64: unsupported\n");
}
+extern unsigned int sun4d_build_irq(struct sbus_dev *sdev, int irq);
+void __init sbus_fill_device_irq(struct sbus_dev *sdev)
+{
+ struct linux_prom_irqs irqs[PROMINTR_MAX];
+ int len;
+
+ len = prom_getproperty(sdev->prom_node, "intr",
+ (char *)irqs, sizeof(irqs));
+ if (len != -1) {
+ sdev->num_irqs = len / 8;
+ if (sdev->num_irqs == 0) {
+ sdev->irqs[0] = 0;
+ } else if (sparc_cpu_model == sun4d) {
+ for (len = 0; len < sdev->num_irqs; len++)
+ sdev->irqs[len] =
+ sun4d_build_irq(sdev, irqs[len].pri);
+ } else {
+ for (len = 0; len < sdev->num_irqs; len++)
+ sdev->irqs[len] = irqs[len].pri;
+ }
+ } else {
+ int interrupts[PROMINTR_MAX];
+
+ /* No "intr" node found-- check for "interrupts" node.
+ * This node contains SBus interrupt levels, not IPLs
+ * as in "intr", and no vector values. We convert
+ * SBus interrupt levels to PILs (platform specific).
+ */
+ len = prom_getproperty(sdev->prom_node, "interrupts",
+ (char *)interrupts, sizeof(interrupts));
+ if (len == -1) {
+ sdev->irqs[0] = 0;
+ sdev->num_irqs = 0;
+ } else {
+ sdev->num_irqs = len / sizeof(int);
+ for (len = 0; len < sdev->num_irqs; len++) {
+ sdev->irqs[len] =
+ sbint_to_irq(sdev, interrupts[len]);
+ }
+ }
+ }
+}
+
/*
* Allocate a chunk of memory suitable for DMA.
* Typically devices use them for control blocks.