diff options
Diffstat (limited to 'arch/sparc64/kernel/ebus.c')
| -rw-r--r-- | arch/sparc64/kernel/ebus.c | 150 |
1 files changed, 33 insertions, 117 deletions
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c index 98e0a8c..aac014d 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, ®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]; - } - } + (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)); } } |