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[SBUS]: Start cleaning up generic sbus support layer.

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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>
This commit is contained in:
David S. Miller
2006-06-20 15:23:28 -07:00
parent d384ea691f
commit 8fae097deb
5 changed files with 89 additions and 127 deletions
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46
arch/sparc/kernel/ioport.c
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@ -224,10 +224,54 @@ static void _sparc_free_io(struct resource *res)
#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.