diff options
Diffstat (limited to 'arch/sparc64/kernel/ebus.c')
-rw-r--r-- | arch/sparc64/kernel/ebus.c | 65 |
1 files changed, 17 insertions, 48 deletions
diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c index 919a91d9e5de..33d79e10c653 100644 --- a/arch/sparc64/kernel/ebus.c +++ b/arch/sparc64/kernel/ebus.c @@ -283,60 +283,32 @@ static inline void *ebus_alloc(size_t size) 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) +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; - int len; + unsigned int hi, lo, irq; + int i, len, n_imap; - 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; + return 0; + n_imap = len / sizeof(imap[0]); - if (!ebus->num_ebus_intmap) + imask = of_get_property(ebus->prom_node, "interrupt-map-mask", NULL); + if (!imask) 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; + 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; } } @@ -598,9 +570,6 @@ void __init ebus_init(void) ebus->self = pdev; ebus->parent = pbm = cookie->pbm; - ebus_ranges_init(ebus); - ebus_intmap_init(ebus); - child = dp->child; if (!child) goto next_ebus; |