diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips64/sgi-ip27/ip27-pci.c | 70 |
1 files changed, 68 insertions, 2 deletions
diff --git a/arch/mips64/sgi-ip27/ip27-pci.c b/arch/mips64/sgi-ip27/ip27-pci.c index 80868cf6a..7c2fe2571 100644 --- a/arch/mips64/sgi-ip27/ip27-pci.c +++ b/arch/mips64/sgi-ip27/ip27-pci.c @@ -1,4 +1,4 @@ -/* $Id: ip27-pci.c,v 1.7 2000/02/03 23:30:59 kanoj Exp $ +/* $Id: ip27-pci.c,v 1.8 2000/02/16 01:07:30 ralf Exp $ * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -183,11 +183,17 @@ pcibios_fixup_bus(struct pci_bus *b) * stop working if we program the controllers as not having * PCI_COMMAND_MEMORY, so we have to fudge the mem_flags. */ + /* + * XXX need same fixup for qla2100, hardwired to slot 5 for now.. + * also want to enable bus mastering and enable MEM space bit + * (MOVE THIS TO isp2x00_fixup()) + */ for (ln=b->devices.next; ln != &b->devices; ln=ln->next) { dev = pci_dev_b(ln); if (PCI_FUNC(dev->devfn) == 0) { if ((PCI_SLOT(dev->devfn) == 0) || - (PCI_SLOT(dev->devfn) == 1)) { + (PCI_SLOT(dev->devfn) == 1) || + (PCI_SLOT(dev->devfn) == 5)) { if (pci_read_config_word(dev, PCI_COMMAND, &command) == 0) { command |= PCI_COMMAND_IO; @@ -196,6 +202,18 @@ pcibios_fixup_bus(struct pci_bus *b) dev->resource[1].flags |= 1; } } + if (PCI_SLOT(dev->devfn) == 5) { + pci_set_master(dev); + if (pci_read_config_word(dev, PCI_COMMAND, + &command) == 0) { + if (!(command & PCI_COMMAND_MEMORY)) + printk("qlogicfc: memory mapping was disabled!\n"); + command |= PCI_COMMAND_MEMORY; + pci_write_config_word(dev, PCI_COMMAND, + command); + /*dev->resource[1].flags |= 1;*/ + } + } } } } @@ -251,8 +269,56 @@ pci_fixup_ioc3(struct pci_dev *d) d->irq = 1; } +static void __init +pci_fixup_isp2x00(struct pci_dev *d) +{ + printk("PCI: Fixing base addresses for isp2x00 in %s\n", d->slot_name); + + /* XXX laziness! hardwire for slot 5 for now */ + d->resource[0].start = 0x8900000; + d->resource[0].end = d->resource[0].start + 0xff; + d->resource[0].flags = IORESOURCE_IO; + + d->resource[1].start = 0x8900000; + d->resource[1].end = d->resource[0].start + 0xfff; + d->resource[1].flags = IORESOURCE_MEM; + + /* + * XXX more laziness, set device(5) reg for this device + */ + { + bridge_t *bridge = (bridge_t *) 0x9200000008000000; + bridgereg_t devreg; + int i; + + devreg = bridge->b_device[5].reg; + devreg &= ~BRIDGE_DEV_OFF_MASK; + devreg |= (0x8b00000 >> 20) & BRIDGE_DEV_OFF_MASK; + /* turn on byte swapping when register intr handler, not now */ + devreg |= BRIDGE_DEV_SWAP_DIR; /* turn on byte swapping */ + bridge->b_device[5].reg = devreg; + + /* set card's base addr reg */ + pci_conf0_write_config_dword(d, PCI_BASE_ADDRESS_0, 0x500001); + pci_conf0_write_config_dword(d, PCI_BASE_ADDRESS_1, 0x8b00000); + pci_conf0_write_config_dword(d, PCI_ROM_ADDRESS, 0x8b20000); + + /* set cache line size */ + pci_conf0_write_config_byte(d, PCI_CACHE_LINE_SIZE, 0x80); + + /* set latency timer */ + pci_conf0_write_config_byte(d, PCI_LATENCY_TIMER, 0xf0); + + bridge->b_wid_tflush; /* wait until Bridge PIO complete */ + for (i=0; i<8; i++) + printk("PCI: device(%d)= 0x%x\n",i,bridge->b_device[i].reg); + } +} + struct pci_fixup pcibios_fixups[] = { { PCI_FIXUP_HEADER, PCI_VENDOR_ID_SGI, PCI_DEVICE_ID_SGI_IOC3, pci_fixup_ioc3 }, + { PCI_FIXUP_HEADER, PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100, + pci_fixup_isp2x00 }, { 0 } }; |