X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fpowerpc%2Fplatforms%2Fpowermac%2Fpic.c;h=39db12890214e5e905cb69b01bc0c9a6c4bf1ad0;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=18bf3011d1e3ff103675b0bae793570f4c82606d;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 18bf3011d..39db12890 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -15,7 +15,6 @@ * */ -#include #include #include #include @@ -43,7 +42,7 @@ * has to include (to get irqreturn_t), which * causes all sorts of problems. -- paulus */ -extern irqreturn_t xmon_irq(int, void *, struct pt_regs *); +extern irqreturn_t xmon_irq(int, void *); #ifdef CONFIG_PPC32 struct pmac_irq_hw { @@ -66,39 +65,36 @@ static u32 level_mask[4]; static DEFINE_SPINLOCK(pmac_pic_lock); -#define GATWICK_IRQ_POOL_SIZE 10 -static struct interrupt_info gatwick_int_pool[GATWICK_IRQ_POOL_SIZE]; - #define NR_MASK_WORDS ((NR_IRQS + 31) / 32) static unsigned long ppc_lost_interrupts[NR_MASK_WORDS]; +static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS]; +static int pmac_irq_cascade = -1; +static struct irq_host *pmac_pic_host; -/* - * Mark an irq as "lost". This is only used on the pmac - * since it can lose interrupts (see pmac_set_irq_mask). - * -- Cort - */ -void __set_lost(unsigned long irq_nr, int nokick) +static void __pmac_retrigger(unsigned int irq_nr) { - if (!test_and_set_bit(irq_nr, ppc_lost_interrupts)) { + if (irq_nr >= max_real_irqs && pmac_irq_cascade > 0) { + __set_bit(irq_nr, ppc_lost_interrupts); + irq_nr = pmac_irq_cascade; + mb(); + } + if (!__test_and_set_bit(irq_nr, ppc_lost_interrupts)) { atomic_inc(&ppc_n_lost_interrupts); - if (!nokick) - set_dec(1); + set_dec(1); } } -static void pmac_mask_and_ack_irq(unsigned int irq_nr) +static void pmac_mask_and_ack_irq(unsigned int virq) { - unsigned long bit = 1UL << (irq_nr & 0x1f); - int i = irq_nr >> 5; + unsigned int src = irq_map[virq].hwirq; + unsigned long bit = 1UL << (src & 0x1f); + int i = src >> 5; unsigned long flags; - if ((unsigned)irq_nr >= max_irqs) - return; - - clear_bit(irq_nr, ppc_cached_irq_mask); - if (test_and_clear_bit(irq_nr, ppc_lost_interrupts)) - atomic_dec(&ppc_n_lost_interrupts); spin_lock_irqsave(&pmac_pic_lock, flags); + __clear_bit(src, ppc_cached_irq_mask); + if (__test_and_clear_bit(src, ppc_lost_interrupts)) + atomic_dec(&ppc_n_lost_interrupts); out_le32(&pmac_irq_hw[i]->enable, ppc_cached_irq_mask[i]); out_le32(&pmac_irq_hw[i]->ack, bit); do { @@ -110,16 +106,29 @@ static void pmac_mask_and_ack_irq(unsigned int irq_nr) spin_unlock_irqrestore(&pmac_pic_lock, flags); } -static void pmac_set_irq_mask(unsigned int irq_nr, int nokicklost) +static void pmac_ack_irq(unsigned int virq) +{ + unsigned int src = irq_map[virq].hwirq; + unsigned long bit = 1UL << (src & 0x1f); + int i = src >> 5; + unsigned long flags; + + spin_lock_irqsave(&pmac_pic_lock, flags); + if (__test_and_clear_bit(src, ppc_lost_interrupts)) + atomic_dec(&ppc_n_lost_interrupts); + out_le32(&pmac_irq_hw[i]->ack, bit); + (void)in_le32(&pmac_irq_hw[i]->ack); + spin_unlock_irqrestore(&pmac_pic_lock, flags); +} + +static void __pmac_set_irq_mask(unsigned int irq_nr, int nokicklost) { unsigned long bit = 1UL << (irq_nr & 0x1f); int i = irq_nr >> 5; - unsigned long flags; if ((unsigned)irq_nr >= max_irqs) return; - spin_lock_irqsave(&pmac_pic_lock, flags); /* enable unmasked interrupts */ out_le32(&pmac_irq_hw[i]->enable, ppc_cached_irq_mask[i]); @@ -136,71 +145,78 @@ static void pmac_set_irq_mask(unsigned int irq_nr, int nokicklost) * the bit in the flag register or request another interrupt. */ if (bit & ppc_cached_irq_mask[i] & in_le32(&pmac_irq_hw[i]->level)) - __set_lost((ulong)irq_nr, nokicklost); - spin_unlock_irqrestore(&pmac_pic_lock, flags); + __pmac_retrigger(irq_nr); } /* When an irq gets requested for the first client, if it's an * edge interrupt, we clear any previous one on the controller */ -static unsigned int pmac_startup_irq(unsigned int irq_nr) +static unsigned int pmac_startup_irq(unsigned int virq) { - unsigned long bit = 1UL << (irq_nr & 0x1f); - int i = irq_nr >> 5; + unsigned long flags; + unsigned int src = irq_map[virq].hwirq; + unsigned long bit = 1UL << (src & 0x1f); + int i = src >> 5; - if ((irq_desc[irq_nr].status & IRQ_LEVEL) == 0) + spin_lock_irqsave(&pmac_pic_lock, flags); + if ((irq_desc[virq].status & IRQ_LEVEL) == 0) out_le32(&pmac_irq_hw[i]->ack, bit); - set_bit(irq_nr, ppc_cached_irq_mask); - pmac_set_irq_mask(irq_nr, 0); + __set_bit(src, ppc_cached_irq_mask); + __pmac_set_irq_mask(src, 0); + spin_unlock_irqrestore(&pmac_pic_lock, flags); return 0; } -static void pmac_mask_irq(unsigned int irq_nr) +static void pmac_mask_irq(unsigned int virq) { - clear_bit(irq_nr, ppc_cached_irq_mask); - pmac_set_irq_mask(irq_nr, 0); - mb(); + unsigned long flags; + unsigned int src = irq_map[virq].hwirq; + + spin_lock_irqsave(&pmac_pic_lock, flags); + __clear_bit(src, ppc_cached_irq_mask); + __pmac_set_irq_mask(src, 1); + spin_unlock_irqrestore(&pmac_pic_lock, flags); } -static void pmac_unmask_irq(unsigned int irq_nr) +static void pmac_unmask_irq(unsigned int virq) { - set_bit(irq_nr, ppc_cached_irq_mask); - pmac_set_irq_mask(irq_nr, 0); + unsigned long flags; + unsigned int src = irq_map[virq].hwirq; + + spin_lock_irqsave(&pmac_pic_lock, flags); + __set_bit(src, ppc_cached_irq_mask); + __pmac_set_irq_mask(src, 0); + spin_unlock_irqrestore(&pmac_pic_lock, flags); } -static void pmac_end_irq(unsigned int irq_nr) +static int pmac_retrigger(unsigned int virq) { - if (!(irq_desc[irq_nr].status & (IRQ_DISABLED|IRQ_INPROGRESS)) - && irq_desc[irq_nr].action) { - set_bit(irq_nr, ppc_cached_irq_mask); - pmac_set_irq_mask(irq_nr, 1); - } -} + unsigned long flags; + spin_lock_irqsave(&pmac_pic_lock, flags); + __pmac_retrigger(irq_map[virq].hwirq); + spin_unlock_irqrestore(&pmac_pic_lock, flags); + return 1; +} -struct hw_interrupt_type pmac_pic = { +static struct irq_chip pmac_pic = { .typename = " PMAC-PIC ", .startup = pmac_startup_irq, - .enable = pmac_unmask_irq, - .disable = pmac_mask_irq, - .ack = pmac_mask_and_ack_irq, - .end = pmac_end_irq, -}; - -struct hw_interrupt_type gatwick_pic = { - .typename = " GATWICK ", - .startup = pmac_startup_irq, - .enable = pmac_unmask_irq, - .disable = pmac_mask_irq, - .ack = pmac_mask_and_ack_irq, - .end = pmac_end_irq, + .mask = pmac_mask_irq, + .ack = pmac_ack_irq, + .mask_ack = pmac_mask_and_ack_irq, + .unmask = pmac_unmask_irq, + .retrigger = pmac_retrigger, }; -static irqreturn_t gatwick_action(int cpl, void *dev_id, struct pt_regs *regs) +static irqreturn_t gatwick_action(int cpl, void *dev_id) { + unsigned long flags; int irq, bits; + int rc = IRQ_NONE; + spin_lock_irqsave(&pmac_pic_lock, flags); for (irq = max_irqs; (irq -= 32) >= max_real_irqs; ) { int i = irq >> 5; bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i]; @@ -210,27 +226,31 @@ static irqreturn_t gatwick_action(int cpl, void *dev_id, struct pt_regs *regs) if (bits == 0) continue; irq += __ilog2(bits); - __do_IRQ(irq, regs); - return IRQ_HANDLED; + spin_unlock_irqrestore(&pmac_pic_lock, flags); + __do_IRQ(irq); + spin_lock_irqsave(&pmac_pic_lock, flags); + rc = IRQ_HANDLED; } - printk("gatwick irq not from gatwick pic\n"); - return IRQ_NONE; + spin_unlock_irqrestore(&pmac_pic_lock, flags); + return rc; } -static int pmac_get_irq(struct pt_regs *regs) +static unsigned int pmac_pic_get_irq(void) { int irq; unsigned long bits = 0; + unsigned long flags; #ifdef CONFIG_SMP - void psurge_smp_message_recv(struct pt_regs *); + void psurge_smp_message_recv(void); /* IPI's are a hack on the powersurge -- Cort */ if ( smp_processor_id() != 0 ) { - psurge_smp_message_recv(regs); - return -2; /* ignore, already handled */ + psurge_smp_message_recv(); + return NO_IRQ_IGNORE; /* ignore, already handled */ } #endif /* CONFIG_SMP */ + spin_lock_irqsave(&pmac_pic_lock, flags); for (irq = max_real_irqs; (irq -= 32) >= 0; ) { int i = irq >> 5; bits = in_le32(&pmac_irq_hw[i]->event) | ppc_lost_interrupts[i]; @@ -242,133 +262,10 @@ static int pmac_get_irq(struct pt_regs *regs) irq += __ilog2(bits); break; } - - return irq; -} - -/* This routine will fix some missing interrupt values in the device tree - * on the gatwick mac-io controller used by some PowerBooks - * - * Walking of OF nodes could use a bit more fixing up here, but it's not - * very important as this is all boot time code on static portions of the - * device-tree. - * - * However, the modifications done to "intrs" will have to be removed and - * replaced with proper updates of the "interrupts" properties or - * AAPL,interrupts, yet to be decided, once the dynamic parsing is there. - */ -static void __init pmac_fix_gatwick_interrupts(struct device_node *gw, - int irq_base) -{ - struct device_node *node; - int count; - - memset(gatwick_int_pool, 0, sizeof(gatwick_int_pool)); - count = 0; - for (node = NULL; (node = of_get_next_child(gw, node)) != NULL;) { - /* Fix SCC */ - if ((strcasecmp(node->name, "escc") == 0) && node->child) { - if (node->child->n_intrs < 3) { - node->child->intrs = &gatwick_int_pool[count]; - count += 3; - } - node->child->n_intrs = 3; - node->child->intrs[0].line = 15+irq_base; - node->child->intrs[1].line = 4+irq_base; - node->child->intrs[2].line = 5+irq_base; - printk(KERN_INFO "irq: fixed SCC on gatwick" - " (%d,%d,%d)\n", - node->child->intrs[0].line, - node->child->intrs[1].line, - node->child->intrs[2].line); - } - /* Fix media-bay & left SWIM */ - if (strcasecmp(node->name, "media-bay") == 0) { - struct device_node* ya_node; - - if (node->n_intrs == 0) - node->intrs = &gatwick_int_pool[count++]; - node->n_intrs = 1; - node->intrs[0].line = 29+irq_base; - printk(KERN_INFO "irq: fixed media-bay on gatwick" - " (%d)\n", node->intrs[0].line); - - ya_node = node->child; - while(ya_node) { - if (strcasecmp(ya_node->name, "floppy") == 0) { - if (ya_node->n_intrs < 2) { - ya_node->intrs = &gatwick_int_pool[count]; - count += 2; - } - ya_node->n_intrs = 2; - ya_node->intrs[0].line = 19+irq_base; - ya_node->intrs[1].line = 1+irq_base; - printk(KERN_INFO "irq: fixed floppy on second controller (%d,%d)\n", - ya_node->intrs[0].line, ya_node->intrs[1].line); - } - if (strcasecmp(ya_node->name, "ata4") == 0) { - if (ya_node->n_intrs < 2) { - ya_node->intrs = &gatwick_int_pool[count]; - count += 2; - } - ya_node->n_intrs = 2; - ya_node->intrs[0].line = 14+irq_base; - ya_node->intrs[1].line = 3+irq_base; - printk(KERN_INFO "irq: fixed ide on second controller (%d,%d)\n", - ya_node->intrs[0].line, ya_node->intrs[1].line); - } - ya_node = ya_node->sibling; - } - } - } - if (count > 10) { - printk("WARNING !! Gatwick interrupt pool overflow\n"); - printk(" GATWICK_IRQ_POOL_SIZE = %d\n", GATWICK_IRQ_POOL_SIZE); - printk(" requested = %d\n", count); - } -} - -/* - * The PowerBook 3400/2400/3500 can have a combo ethernet/modem - * card which includes an ohare chip that acts as a second interrupt - * controller. If we find this second ohare, set it up and fix the - * interrupt value in the device tree for the ethernet chip. - */ -static void __init enable_second_ohare(struct device_node *np) -{ - unsigned char bus, devfn; - unsigned short cmd; - struct device_node *ether; - - /* This code doesn't strictly belong here, it could be part of - * either the PCI initialisation or the feature code. It's kept - * here for historical reasons. - */ - if (pci_device_from_OF_node(np, &bus, &devfn) == 0) { - struct pci_controller* hose = - pci_find_hose_for_OF_device(np); - if (!hose) { - printk(KERN_ERR "Can't find PCI hose for OHare2 !\n"); - return; - } - early_read_config_word(hose, bus, devfn, PCI_COMMAND, &cmd); - cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; - cmd &= ~PCI_COMMAND_IO; - early_write_config_word(hose, bus, devfn, PCI_COMMAND, cmd); - } - - /* Fix interrupt for the modem/ethernet combo controller. The number - * in the device tree (27) is bogus (correct for the ethernet-only - * board but not the combo ethernet/modem board). - * The real interrupt is 28 on the second controller -> 28+32 = 60. - */ - ether = of_find_node_by_name(NULL, "pci1011,14"); - if (ether && ether->n_intrs > 0) { - ether->intrs[0].line = 60; - printk(KERN_INFO "irq: Fixed ethernet IRQ to %d\n", - ether->intrs[0].line); - } - of_node_put(ether); + spin_unlock_irqrestore(&pmac_pic_lock, flags); + if (unlikely(irq < 0)) + return NO_IRQ; + return irq_linear_revmap(pmac_pic_host, irq); } #ifdef CONFIG_XMON @@ -382,22 +279,66 @@ static struct irqaction xmon_action = { static struct irqaction gatwick_cascade_action = { .handler = gatwick_action, - .flags = SA_INTERRUPT, + .flags = IRQF_DISABLED, .mask = CPU_MASK_NONE, .name = "cascade", }; +static int pmac_pic_host_match(struct irq_host *h, struct device_node *node) +{ + /* We match all, we don't always have a node anyway */ + return 1; +} + +static int pmac_pic_host_map(struct irq_host *h, unsigned int virq, + irq_hw_number_t hw) +{ + struct irq_desc *desc = get_irq_desc(virq); + int level; + + if (hw >= max_irqs) + return -EINVAL; + + /* Mark level interrupts, set delayed disable for edge ones and set + * handlers + */ + level = !!(level_mask[hw >> 5] & (1UL << (hw & 0x1f))); + if (level) + desc->status |= IRQ_LEVEL; + else + desc->status |= IRQ_DELAYED_DISABLE; + set_irq_chip_and_handler(virq, &pmac_pic, level ? + handle_level_irq : handle_edge_irq); + return 0; +} + +static int pmac_pic_host_xlate(struct irq_host *h, struct device_node *ct, + u32 *intspec, unsigned int intsize, + irq_hw_number_t *out_hwirq, + unsigned int *out_flags) + +{ + *out_flags = IRQ_TYPE_NONE; + *out_hwirq = *intspec; + return 0; +} + +static struct irq_host_ops pmac_pic_host_ops = { + .match = pmac_pic_host_match, + .map = pmac_pic_host_map, + .xlate = pmac_pic_host_xlate, +}; + static void __init pmac_pic_probe_oldstyle(void) { int i; - int irq_cascade = -1; struct device_node *master = NULL; struct device_node *slave = NULL; u8 __iomem *addr; struct resource r; /* Set our get_irq function */ - ppc_md.get_irq = pmac_get_irq; + ppc_md.get_irq = pmac_pic_get_irq; /* * Find the interrupt controller type & node @@ -415,7 +356,6 @@ static void __init pmac_pic_probe_oldstyle(void) if (slave) { max_irqs = 64; level_mask[1] = OHARE_LEVEL_MASK; - enable_second_ohare(slave); } } else if ((master = of_find_node_by_name(NULL, "mac-io")) != NULL) { max_irqs = max_real_irqs = 64; @@ -439,14 +379,18 @@ static void __init pmac_pic_probe_oldstyle(void) max_irqs = 128; level_mask[2] = HEATHROW_LEVEL_MASK; level_mask[3] = 0; - pmac_fix_gatwick_interrupts(slave, max_real_irqs); } } BUG_ON(master == NULL); - /* Set the handler for the main PIC */ - for ( i = 0; i < max_real_irqs ; i++ ) - irq_desc[i].handler = &pmac_pic; + /* + * Allocate an irq host + */ + pmac_pic_host = irq_alloc_host(IRQ_HOST_MAP_LINEAR, max_irqs, + &pmac_pic_host_ops, + max_irqs); + BUG_ON(pmac_pic_host == NULL); + irq_set_default_host(pmac_pic_host); /* Get addresses of first controller if we have a node for it */ BUG_ON(of_address_to_resource(master, 0, &r)); @@ -473,39 +417,37 @@ static void __init pmac_pic_probe_oldstyle(void) pmac_irq_hw[i++] = (volatile struct pmac_irq_hw __iomem *) (addr + 0x10); - irq_cascade = slave->intrs[0].line; + pmac_irq_cascade = irq_of_parse_and_map(slave, 0); printk(KERN_INFO "irq: Found slave Apple PIC %s for %d irqs" " cascade: %d\n", slave->full_name, - max_irqs - max_real_irqs, irq_cascade); + max_irqs - max_real_irqs, pmac_irq_cascade); } of_node_put(slave); - /* disable all interrupts in all controllers */ + /* Disable all interrupts in all controllers */ for (i = 0; i * 32 < max_irqs; ++i) out_le32(&pmac_irq_hw[i]->enable, 0); - /* mark level interrupts */ - for (i = 0; i < max_irqs; i++) - if (level_mask[i >> 5] & (1UL << (i & 0x1f))) - irq_desc[i].status = IRQ_LEVEL; + /* Hookup cascade irq */ + if (slave && pmac_irq_cascade != NO_IRQ) + setup_irq(pmac_irq_cascade, &gatwick_cascade_action); - /* Setup handlers for secondary controller and hook cascade irq*/ - if (slave) { - for ( i = max_real_irqs ; i < max_irqs ; i++ ) - irq_desc[i].handler = &gatwick_pic; - setup_irq(irq_cascade, &gatwick_cascade_action); - } printk(KERN_INFO "irq: System has %d possible interrupts\n", max_irqs); #ifdef CONFIG_XMON - setup_irq(20, &xmon_action); + setup_irq(irq_create_mapping(NULL, 20), &xmon_action); #endif } #endif /* CONFIG_PPC32 */ -static int pmac_u3_cascade(struct pt_regs *regs, void *data) +static void pmac_u3_cascade(unsigned int irq, struct irq_desc *desc) { - return mpic_get_one_irq((struct mpic *)data, regs); + struct mpic *mpic = desc->handler_data; + + unsigned int cascade_irq = mpic_get_one_irq(mpic); + if (cascade_irq != NO_IRQ) + generic_handle_irq(cascade_irq); + desc->chip->eoi(irq); } static void __init pmac_pic_setup_mpic_nmi(struct mpic *mpic) @@ -515,21 +457,20 @@ static void __init pmac_pic_setup_mpic_nmi(struct mpic *mpic) int nmi_irq; pswitch = of_find_node_by_name(NULL, "programmer-switch"); - if (pswitch && pswitch->n_intrs) { - nmi_irq = pswitch->intrs[0].line; - mpic_irq_set_priority(nmi_irq, 9); - setup_irq(nmi_irq, &xmon_action); + if (pswitch) { + nmi_irq = irq_of_parse_and_map(pswitch, 0); + if (nmi_irq != NO_IRQ) { + mpic_irq_set_priority(nmi_irq, 9); + setup_irq(nmi_irq, &xmon_action); + } + of_node_put(pswitch); } - of_node_put(pswitch); #endif /* defined(CONFIG_XMON) && defined(CONFIG_PPC32) */ } static struct mpic * __init pmac_setup_one_mpic(struct device_node *np, int master) { - unsigned char senses[128]; - int offset = master ? 0 : 128; - int count = master ? 128 : 124; const char *name = master ? " MPIC 1 " : " MPIC 2 "; struct resource r; struct mpic *mpic; @@ -542,8 +483,6 @@ static struct mpic * __init pmac_setup_one_mpic(struct device_node *np, pmac_call_feature(PMAC_FTR_ENABLE_MPIC, np, 0, 0); - prom_get_irq_senses(senses, offset, offset + count); - flags |= MPIC_WANTS_RESET; if (get_property(np, "big-endian", NULL)) flags |= MPIC_BIG_ENDIAN; @@ -554,8 +493,7 @@ static struct mpic * __init pmac_setup_one_mpic(struct device_node *np, if (master && (flags & MPIC_BIG_ENDIAN)) flags |= MPIC_BROKEN_U3; - mpic = mpic_alloc(r.start, flags, 0, offset, count, master ? 252 : 0, - senses, count, name); + mpic = mpic_alloc(np, r.start, flags, 0, 0, name); if (mpic == NULL) return NULL; @@ -568,6 +506,7 @@ static int __init pmac_pic_probe_mpic(void) { struct mpic *mpic1, *mpic2; struct device_node *np, *master = NULL, *slave = NULL; + unsigned int cascade; /* We can have up to 2 MPICs cascaded */ for (np = NULL; (np = of_find_node_by_type(np, "open-pic")) @@ -604,16 +543,24 @@ static int __init pmac_pic_probe_mpic(void) of_node_put(master); /* No slave, let's go out */ - if (slave == NULL || slave->n_intrs < 1) + if (slave == NULL) return 0; + /* Get/Map slave interrupt */ + cascade = irq_of_parse_and_map(slave, 0); + if (cascade == NO_IRQ) { + printk(KERN_ERR "Failed to map cascade IRQ\n"); + return 0; + } + mpic2 = pmac_setup_one_mpic(slave, 0); if (mpic2 == NULL) { printk(KERN_ERR "Failed to setup slave MPIC\n"); of_node_put(slave); return 0; } - mpic_setup_cascade(slave->intrs[0].line, pmac_u3_cascade, mpic2); + set_irq_data(cascade, mpic2); + set_irq_chained_handler(cascade, pmac_u3_cascade); of_node_put(slave); return 0; @@ -622,6 +569,20 @@ static int __init pmac_pic_probe_mpic(void) void __init pmac_pic_init(void) { + unsigned int flags = 0; + + /* We configure the OF parsing based on our oldworld vs. newworld + * platform type and wether we were booted by BootX. + */ +#ifdef CONFIG_PPC32 + if (!pmac_newworld) + flags |= OF_IMAP_OLDWORLD_MAC; + if (get_property(of_chosen, "linux,bootx", NULL) != NULL) + flags |= OF_IMAP_NO_PHANDLE; +#endif /* CONFIG_PPC_32 */ + + of_irq_map_init(flags); + /* We first try to detect Apple's new Core99 chipset, since mac-io * is quite different on those machines and contains an IBM MPIC2. */ @@ -644,6 +605,7 @@ unsigned long sleep_save_mask[2]; /* This used to be passed by the PMU driver but that link got * broken with the new driver model. We use this tweak for now... + * We really want to do things differently though... */ static int pmacpic_find_viaint(void) { @@ -657,7 +619,7 @@ static int pmacpic_find_viaint(void) np = of_find_node_by_name(NULL, "via-pmu"); if (np == NULL) goto not_found; - viaint = np->intrs[0].line; + viaint = irq_of_parse_and_map(np, 0);; #endif /* CONFIG_ADB_PMU */ not_found: