* Copyright (C) 1999 David S. Miller (davem@redhat.com)
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <asm/pbm.h>
#include <asm/ebus.h>
#include <asm/oplib.h>
+#include <asm/prom.h>
+#include <asm/of_device.h>
#include <asm/bpp.h>
#include <asm/irq.h>
}
}
-static irqreturn_t ebus_dma_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t ebus_dma_irq(int irq, void *dev_id)
{
struct ebus_dma_info *p = dev_id;
unsigned long flags;
if (on) {
if (p->flags & EBUS_DMA_FLAG_USE_EBDMA_HANDLER) {
- if (request_irq(p->irq, ebus_dma_irq, SA_SHIRQ, p->name, p))
+ if (request_irq(p->irq, ebus_dma_irq, IRQF_SHARED, p->name, p))
return -EBUSY;
}
struct linux_ebus *ebus_chain = NULL;
-#ifdef CONFIG_SUN_AUXIO
-extern void auxio_probe(void);
-#endif
-
static inline void *ebus_alloc(size_t size)
{
void *mem;
return mem;
}
-static void __init ebus_ranges_init(struct linux_ebus *ebus)
-{
- struct linux_prom_ebus_ranges *rngs;
- int len;
-
- ebus->num_ebus_ranges = 0;
- rngs = of_get_property(ebus->prom_node, "ranges", &len);
- if (rngs) {
- memcpy(ebus->ebus_ranges, rngs, len);
- ebus->num_ebus_ranges =
- (len / sizeof(struct linux_prom_ebus_ranges));
- }
-}
-
-static void __init ebus_intmap_init(struct linux_ebus *ebus)
-{
- struct linux_prom_ebus_intmap *imap;
- struct linux_prom_ebus_intmask *imask;
- int len;
-
- ebus->num_ebus_intmap = 0;
- imap = of_get_property(ebus->prom_node, "interrupt-map", &len);
- if (!imap)
- return;
-
- memcpy(ebus->ebus_intmap, imap, len);
- ebus->num_ebus_intmap = (len / sizeof(struct linux_prom_ebus_intmap));
-
- imask = of_get_property(ebus->prom_node, "interrupt-map-mask", &len);
- if (!imask) {
- prom_printf("EBUS: can't get interrupt-map-mask\n");
- prom_halt();
- }
- memcpy(&ebus->ebus_intmask, imask, sizeof(ebus->ebus_intmask));
-}
-
-int __init ebus_intmap_match(struct linux_ebus *ebus,
- struct linux_prom_registers *reg,
- int *interrupt)
-{
- unsigned int hi, lo, irq;
- int i;
-
- if (!ebus->num_ebus_intmap)
- return 0;
-
- hi = reg->which_io & ebus->ebus_intmask.phys_hi;
- lo = reg->phys_addr & ebus->ebus_intmask.phys_lo;
- irq = *interrupt & ebus->ebus_intmask.interrupt;
- for (i = 0; i < ebus->num_ebus_intmap; i++) {
- if ((ebus->ebus_intmap[i].phys_hi == hi) &&
- (ebus->ebus_intmap[i].phys_lo == lo) &&
- (ebus->ebus_intmap[i].interrupt == irq)) {
- *interrupt = ebus->ebus_intmap[i].cinterrupt;
- return 0;
- }
- }
- return -1;
-}
-
-void __init fill_ebus_child(struct device_node *dp,
- struct linux_prom_registers *preg,
- struct linux_ebus_child *dev,
- int non_standard_regs)
+static void __init fill_ebus_child(struct device_node *dp,
+ struct linux_ebus_child *dev,
+ int non_standard_regs)
{
+ struct of_device *op;
int *regs;
- int *irqs;
int i, len;
dev->prom_node = dp;
}
}
- for (i = 0; i < PROMINTR_MAX; i++)
- dev->irqs[i] = PCI_IRQ_NONE;
-
- irqs = of_get_property(dp, "interrupts", &len);
- if (!irqs) {
+ op = of_find_device_by_node(dp);
+ if (!op) {
dev->num_irqs = 0;
+ } else {
+ dev->num_irqs = op->num_irqs;
+ for (i = 0; i < dev->num_irqs; i++)
+ dev->irqs[i] = op->irqs[i];
+ }
+
+ if (!dev->num_irqs) {
/*
* Oh, well, some PROMs don't export interrupts
* property to children of EBus devices...
dev->irqs[0] = dev->parent->irqs[1];
}
}
- } else {
- dev->num_irqs = len / sizeof(irqs[0]);
- for (i = 0; i < dev->num_irqs; i++) {
- struct pci_pbm_info *pbm = dev->bus->parent;
- struct pci_controller_info *p = pbm->parent;
-
- if (ebus_intmap_match(dev->bus, preg, &irqs[i]) != -1) {
- dev->irqs[i] = p->irq_build(pbm,
- dev->bus->self,
- irqs[i]);
- } else {
- /* If we get a bogus interrupt property, just
- * record the raw value instead of punting.
- */
- dev->irqs[i] = irqs[i];
- }
- }
}
}
return 0;
}
-void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
+static void __init fill_ebus_device(struct device_node *dp, struct linux_ebus_device *dev)
{
- struct linux_prom_registers *regs;
struct linux_ebus_child *child;
- int *irqs;
- int i, n, len;
+ struct of_device *op;
+ int i, len;
dev->prom_node = dp;
printk(" [%s", dp->name);
- regs = of_get_property(dp, "reg", &len);
- if (!regs) {
+ op = of_find_device_by_node(dp);
+ if (!op) {
dev->num_addrs = 0;
- goto probe_interrupts;
- }
+ dev->num_irqs = 0;
+ } else {
+ (void) of_get_property(dp, "reg", &len);
+ dev->num_addrs = len / sizeof(struct linux_prom_registers);
- if (len % sizeof(struct linux_prom_registers)) {
- prom_printf("UGH: proplen for %s was %d, need multiple of %d\n",
- dev->prom_node->name, len,
- (int)sizeof(struct linux_prom_registers));
- prom_halt();
- }
- dev->num_addrs = len / sizeof(struct linux_prom_registers);
-
- for (i = 0; i < dev->num_addrs; i++) {
- /* XXX Learn how to interpret ebus ranges... -DaveM */
- if (regs[i].which_io >= 0x10)
- n = (regs[i].which_io - 0x10) >> 2;
- else
- n = regs[i].which_io;
-
- dev->resource[i].start = dev->bus->self->resource[n].start;
- dev->resource[i].start += (unsigned long)regs[i].phys_addr;
- dev->resource[i].end =
- (dev->resource[i].start + (unsigned long)regs[i].reg_size - 1UL);
- dev->resource[i].flags = IORESOURCE_MEM;
- dev->resource[i].name = dev->prom_node->name;
- request_resource(&dev->bus->self->resource[n],
- &dev->resource[i]);
+ for (i = 0; i < dev->num_addrs; i++)
+ memcpy(&dev->resource[i],
+ &op->resource[i],
+ sizeof(struct resource));
+
+ dev->num_irqs = op->num_irqs;
+ for (i = 0; i < dev->num_irqs; i++)
+ dev->irqs[i] = op->irqs[i];
}
-probe_interrupts:
- for (i = 0; i < PROMINTR_MAX; i++)
- dev->irqs[i] = PCI_IRQ_NONE;
+ dev->ofdev.node = dp;
+ dev->ofdev.dev.parent = &dev->bus->ofdev.dev;
+ dev->ofdev.dev.bus = &ebus_bus_type;
+ sprintf(dev->ofdev.dev.bus_id, "ebus[%08x]", dp->node);
- irqs = of_get_property(dp, "interrupts", &len);
- if (!irqs) {
- dev->num_irqs = 0;
- } else {
- dev->num_irqs = len / sizeof(irqs[0]);
- for (i = 0; i < dev->num_irqs; i++) {
- struct pci_pbm_info *pbm = dev->bus->parent;
- struct pci_controller_info *p = pbm->parent;
-
- if (ebus_intmap_match(dev->bus, ®s[0], &irqs[i]) != -1) {
- dev->irqs[i] = p->irq_build(pbm,
- dev->bus->self,
- irqs[i]);
- } else {
- /* If we get a bogus interrupt property, just
- * record the raw value instead of punting.
- */
- dev->irqs[i] = irqs[i];
- }
- }
- }
+ /* Register with core */
+ if (of_device_register(&dev->ofdev) != 0)
+ printk(KERN_DEBUG "ebus: device registration error for %s!\n",
+ dp->path_component_name);
dp = dp->child;
if (dp) {
child->next = NULL;
child->parent = dev;
child->bus = dev->bus;
- fill_ebus_child(dp, regs, child,
+ fill_ebus_child(dp, child,
child_regs_nonstandard(dev));
while ((dp = dp->sibling) != NULL) {
child->next = NULL;
child->parent = dev;
child->bus = dev->bus;
- fill_ebus_child(dp, regs, child,
+ fill_ebus_child(dp, child,
child_regs_nonstandard(dev));
}
}
ebus->self = pdev;
ebus->parent = pbm = cookie->pbm;
- ebus_ranges_init(ebus);
- ebus_intmap_init(ebus);
+ ebus->ofdev.node = dp;
+ ebus->ofdev.dev.parent = &pdev->dev;
+ ebus->ofdev.dev.bus = &ebus_bus_type;
+ sprintf(ebus->ofdev.dev.bus_id, "ebus%d", num_ebus);
+
+ /* Register with core */
+ if (of_device_register(&ebus->ofdev) != 0)
+ printk(KERN_DEBUG "ebus: device registration error for %s!\n",
+ dp->path_component_name);
+
child = dp->child;
if (!child)
++num_ebus;
}
pci_dev_put(pdev); /* XXX for the case, when ebusnd is 0, is it OK? */
-
-#ifdef CONFIG_SUN_AUXIO
- auxio_probe();
-#endif
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff