diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 17:39:28 -0700 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-20 17:39:28 -0700 |
commit | be883da7594b0a2a02074e683673ae0e522566a4 (patch) | |
tree | b62f2a8a069fb4d389935c0b2de9bc78798f50c2 /arch/sparc64/kernel/pci_sabre.c | |
parent | 077e98945db7e54a9865b5f29a1f02f531eca414 (diff) | |
parent | 4c5eb38af2131d867842cdd09fa83a3ed77bfd26 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Update defconfig.
[SPARC64]: Don't double-export synchronize_irq.
[SPARC64]: Move over to GENERIC_HARDIRQS.
[SPARC64]: Virtualize IRQ numbers.
[SPARC64]: Kill ino_bucket->pil
[SPARC]: Kill __irq_itoa().
[SPARC64]: bp->pil can never be zero
[SPARC64]: Send all device interrupts via one PIL.
[SPARC]: Fix iommu_flush_iotlb end address
[SPARC]: Mark smp init functions as cpuinit
[SPARC]: Add missing rw can_lock macros
[SPARC]: Setup cpu_possible_map
[SPARC]: Add topology_init()
Diffstat (limited to 'arch/sparc64/kernel/pci_sabre.c')
-rw-r--r-- | arch/sparc64/kernel/pci_sabre.c | 99 |
1 files changed, 11 insertions, 88 deletions
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c index f67bb7f078c..b7d997b55f0 100644 --- a/arch/sparc64/kernel/pci_sabre.c +++ b/arch/sparc64/kernel/pci_sabre.c @@ -523,78 +523,6 @@ static unsigned long __onboard_imap_off[] = { ((ino & 0x20) ? (SABRE_ICLR_SCSI + (((ino) & 0x1f) << 3)) : \ (SABRE_ICLR_A_SLOT0 + (((ino) & 0x1f)<<3))) -/* PCI SABRE INO number to Sparc PIL level. */ -static unsigned char sabre_pil_table[] = { -/*0x00*/0, 0, 0, 0, /* PCI A slot 0 Int A, B, C, D */ -/*0x04*/0, 0, 0, 0, /* PCI A slot 1 Int A, B, C, D */ -/*0x08*/0, 0, 0, 0, /* PCI A slot 2 Int A, B, C, D */ -/*0x0c*/0, 0, 0, 0, /* PCI A slot 3 Int A, B, C, D */ -/*0x10*/0, 0, 0, 0, /* PCI B slot 0 Int A, B, C, D */ -/*0x14*/0, 0, 0, 0, /* PCI B slot 1 Int A, B, C, D */ -/*0x18*/0, 0, 0, 0, /* PCI B slot 2 Int A, B, C, D */ -/*0x1c*/0, 0, 0, 0, /* PCI B slot 3 Int A, B, C, D */ -/*0x20*/5, /* SCSI */ -/*0x21*/5, /* Ethernet */ -/*0x22*/8, /* Parallel Port */ -/*0x23*/13, /* Audio Record */ -/*0x24*/14, /* Audio Playback */ -/*0x25*/15, /* PowerFail */ -/*0x26*/5, /* second SCSI */ -/*0x27*/11, /* Floppy */ -/*0x28*/5, /* Spare Hardware */ -/*0x29*/9, /* Keyboard */ -/*0x2a*/5, /* Mouse */ -/*0x2b*/12, /* Serial */ -/*0x2c*/10, /* Timer 0 */ -/*0x2d*/11, /* Timer 1 */ -/*0x2e*/15, /* Uncorrectable ECC */ -/*0x2f*/15, /* Correctable ECC */ -/*0x30*/15, /* PCI Bus A Error */ -/*0x31*/15, /* PCI Bus B Error */ -/*0x32*/15, /* Power Management */ -}; - -static int sabre_ino_to_pil(struct pci_dev *pdev, unsigned int ino) -{ - int ret; - - if (pdev && - pdev->vendor == PCI_VENDOR_ID_SUN && - pdev->device == PCI_DEVICE_ID_SUN_RIO_USB) - return 9; - - ret = sabre_pil_table[ino]; - if (ret == 0 && pdev == NULL) { - ret = 5; - } else if (ret == 0) { - switch ((pdev->class >> 16) & 0xff) { - case PCI_BASE_CLASS_STORAGE: - ret = 5; - break; - - case PCI_BASE_CLASS_NETWORK: - ret = 6; - break; - - case PCI_BASE_CLASS_DISPLAY: - ret = 9; - break; - - case PCI_BASE_CLASS_MULTIMEDIA: - case PCI_BASE_CLASS_MEMORY: - case PCI_BASE_CLASS_BRIDGE: - case PCI_BASE_CLASS_SERIAL: - ret = 10; - break; - - default: - ret = 5; - break; - }; - } - return ret; -} - /* When a device lives behind a bridge deeper in the PCI bus topology * than APB, a special sequence must run to make sure all pending DMA * transfers at the time of IRQ delivery are visible in the coherency @@ -602,7 +530,7 @@ static int sabre_ino_to_pil(struct pci_dev *pdev, unsigned int ino) * side of the non-APB bridge, then perform a read of Sabre's DMA * write-sync register. */ -static void sabre_wsync_handler(struct ino_bucket *bucket, void *_arg1, void *_arg2) +static void sabre_wsync_handler(unsigned int ino, void *_arg1, void *_arg2) { struct pci_dev *pdev = _arg1; unsigned long sync_reg = (unsigned long) _arg2; @@ -616,10 +544,10 @@ static unsigned int sabre_irq_build(struct pci_pbm_info *pbm, struct pci_dev *pdev, unsigned int ino) { - struct ino_bucket *bucket; unsigned long imap, iclr; unsigned long imap_off, iclr_off; - int pil, inofixup = 0; + int inofixup = 0; + int virt_irq; ino &= PCI_IRQ_INO; if (ino < SABRE_ONBOARD_IRQ_BASE) { @@ -635,11 +563,6 @@ static unsigned int sabre_irq_build(struct pci_pbm_info *pbm, } /* Now build the IRQ bucket. */ - pil = sabre_ino_to_pil(pdev, ino); - - if (PIL_RESERVED(pil)) - BUG(); - imap = pbm->controller_regs + imap_off; imap += 4; @@ -650,23 +573,23 @@ static unsigned int sabre_irq_build(struct pci_pbm_info *pbm, if ((ino & 0x20) == 0) inofixup = ino & 0x03; - bucket = __bucket(build_irq(pil, inofixup, iclr, imap)); - bucket->flags |= IBF_PCI; + virt_irq = build_irq(inofixup, iclr, imap); if (pdev) { struct pcidev_cookie *pcp = pdev->sysdata; if (pdev->bus->number != pcp->pbm->pci_first_busno) { struct pci_controller_info *p = pcp->pbm->parent; - struct irq_desc *d = bucket->irq_info; - d->pre_handler = sabre_wsync_handler; - d->pre_handler_arg1 = pdev; - d->pre_handler_arg2 = (void *) - p->pbm_A.controller_regs + SABRE_WRSYNC; + irq_install_pre_handler(virt_irq, + sabre_wsync_handler, + pdev, + (void *) + p->pbm_A.controller_regs + + SABRE_WRSYNC); } } - return __irq(bucket); + return virt_irq; } /* SABRE error handling support. */ |