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Diffstat (limited to 'arch/sparc64/kernel/ebus.c')
-rw-r--r--arch/sparc64/kernel/ebus.c150
1 files changed, 33 insertions, 117 deletions
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index 98e0a8cbeec..aac014d15ad 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -20,6 +20,8 @@
#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>
@@ -279,45 +281,12 @@ static inline void *ebus_alloc(size_t size)
return mem;
}
-int __init ebus_intmap_match(struct linux_ebus *ebus,
- struct linux_prom_registers *reg,
- int *interrupt)
-{
- struct linux_prom_ebus_intmap *imap;
- struct linux_prom_ebus_intmask *imask;
- unsigned int hi, lo, irq;
- int i, len, n_imap;
-
- imap = of_get_property(ebus->prom_node, "interrupt-map", &len);
- if (!imap)
- return 0;
- n_imap = len / sizeof(imap[0]);
-
- imask = of_get_property(ebus->prom_node, "interrupt-map-mask", NULL);
- if (!imask)
- return 0;
-
- hi = reg->which_io & imask->phys_hi;
- lo = reg->phys_addr & imask->phys_lo;
- irq = *interrupt & imask->interrupt;
- for (i = 0; i < n_imap; i++) {
- if ((imap[i].phys_hi == hi) &&
- (imap[i].phys_lo == lo) &&
- (imap[i].interrupt == irq)) {
- *interrupt = imap[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;
@@ -354,12 +323,16 @@ void __init fill_ebus_child(struct device_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...
@@ -375,23 +348,6 @@ void __init fill_ebus_child(struct device_node *dp,
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];
- }
- }
}
}
@@ -403,72 +359,32 @@ static int __init child_regs_nonstandard(struct linux_ebus_device *dev)
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;
- }
-
- 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]);
- }
-
-probe_interrupts:
- for (i = 0; i < PROMINTR_MAX; i++)
- dev->irqs[i] = PCI_IRQ_NONE;
-
- 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, &regs[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];
- }
- }
+ (void) of_get_property(dp, "reg", &len);
+ dev->num_addrs = len / sizeof(struct linux_prom_registers);
+
+ 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];
}
dev->ofdev.node = dp;
@@ -490,7 +406,7 @@ probe_interrupts:
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) {
@@ -500,7 +416,7 @@ probe_interrupts:
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));
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-19 02:03:42 +0000