diff options
Diffstat (limited to 'src/devices/pci_ops.c')
| -rw-r--r-- | src/devices/pci_ops.c | 81 |
1 files changed, 50 insertions, 31 deletions
diff --git a/src/devices/pci_ops.c b/src/devices/pci_ops.c index c3237dbdbf..07da30034f 100644 --- a/src/devices/pci_ops.c +++ b/src/devices/pci_ops.c @@ -38,93 +38,112 @@ static struct bus *get_pbus(device_t dev) else pbus = dev->bus; - while(pbus && pbus->dev && !ops_pci_bus(pbus)) { + while (pbus && pbus->dev && !ops_pci_bus(pbus)) { if (pbus == pbus->dev->bus) { - printk(BIOS_ALERT, "%s in endless loop looking for a parent " - "bus with ops_pci_bus for %s, breaking out.\n", - __func__, dev_path(dev)); + printk(BIOS_ALERT, "%s in endless loop looking for a " + "parent bus with ops_pci_bus for %s, breaking " + "out.\n", __func__, dev_path(dev)); break; } pbus = pbus->dev->bus; } - if (!pbus || !pbus->dev || !pbus->dev->ops || !pbus->dev->ops->ops_pci_bus) { - /* This can happen before the device tree is set up completely. */ - //printk(BIOS_EMERG, "%s: Cannot find pci bus operations.\n", dev_path(dev)); + + if (!pbus || !pbus->dev || !pbus->dev->ops + || !pbus->dev->ops->ops_pci_bus) { + /* This can happen before the device tree is fully set up. */ + + // printk(BIOS_EMERG, "%s: Cannot find PCI bus operations.\n", + // dev_path(dev)); + pbus = NULL; } + return pbus; } -uint8_t pci_read_config8(device_t dev, unsigned where) +u8 pci_read_config8(device_t dev, unsigned int where) { struct bus *pbus = get_pbus(dev); - return ops_pci_bus(pbus)->read8(pbus, dev->bus->secondary, dev->path.pci.devfn, where); + return ops_pci_bus(pbus)->read8(pbus, dev->bus->secondary, + dev->path.pci.devfn, where); } -uint16_t pci_read_config16(device_t dev, unsigned where) +u16 pci_read_config16(device_t dev, unsigned int where) { struct bus *pbus = get_pbus(dev); - return ops_pci_bus(pbus)->read16(pbus, dev->bus->secondary, dev->path.pci.devfn, where); + return ops_pci_bus(pbus)->read16(pbus, dev->bus->secondary, + dev->path.pci.devfn, where); } -uint32_t pci_read_config32(device_t dev, unsigned where) +u32 pci_read_config32(device_t dev, unsigned int where) { struct bus *pbus = get_pbus(dev); - return ops_pci_bus(pbus)->read32(pbus, dev->bus->secondary, dev->path.pci.devfn, where); + return ops_pci_bus(pbus)->read32(pbus, dev->bus->secondary, + dev->path.pci.devfn, where); } -void pci_write_config8(device_t dev, unsigned where, uint8_t val) +void pci_write_config8(device_t dev, unsigned int where, u8 val) { struct bus *pbus = get_pbus(dev); - ops_pci_bus(pbus)->write8(pbus, dev->bus->secondary, dev->path.pci.devfn, where, val); + ops_pci_bus(pbus)->write8(pbus, dev->bus->secondary, + dev->path.pci.devfn, where, val); } -void pci_write_config16(device_t dev, unsigned where, uint16_t val) +void pci_write_config16(device_t dev, unsigned int where, u16 val) { struct bus *pbus = get_pbus(dev); - ops_pci_bus(pbus)->write16(pbus, dev->bus->secondary, dev->path.pci.devfn, where, val); + ops_pci_bus(pbus)->write16(pbus, dev->bus->secondary, + dev->path.pci.devfn, where, val); } -void pci_write_config32(device_t dev, unsigned where, uint32_t val) +void pci_write_config32(device_t dev, unsigned int where, u32 val) { struct bus *pbus = get_pbus(dev); - ops_pci_bus(pbus)->write32(pbus, dev->bus->secondary, dev->path.pci.devfn, where, val); + ops_pci_bus(pbus)->write32(pbus, dev->bus->secondary, + dev->path.pci.devfn, where, val); } #if CONFIG_MMCONF_SUPPORT -uint8_t pci_mmio_read_config8(device_t dev, unsigned where) +u8 pci_mmio_read_config8(device_t dev, unsigned int where) { struct bus *pbus = get_pbus(dev); - return pci_ops_mmconf.read8(pbus, dev->bus->secondary, dev->path.pci.devfn, where); + return pci_ops_mmconf.read8(pbus, dev->bus->secondary, + dev->path.pci.devfn, where); } -uint16_t pci_mmio_read_config16(device_t dev, unsigned where) +u16 pci_mmio_read_config16(device_t dev, unsigned int where) { struct bus *pbus = get_pbus(dev); - return pci_ops_mmconf.read16(pbus, dev->bus->secondary, dev->path.pci.devfn, where); + return pci_ops_mmconf.read16(pbus, dev->bus->secondary, + dev->path.pci.devfn, where); } -uint32_t pci_mmio_read_config32(device_t dev, unsigned where) +u32 pci_mmio_read_config32(device_t dev, unsigned int where) { struct bus *pbus = get_pbus(dev); - return pci_ops_mmconf.read32(pbus, dev->bus->secondary, dev->path.pci.devfn, where); + return pci_ops_mmconf.read32(pbus, dev->bus->secondary, + dev->path.pci.devfn, where); } -void pci_mmio_write_config8(device_t dev, unsigned where, uint8_t val) +void pci_mmio_write_config8(device_t dev, unsigned int where, u8 val) { struct bus *pbus = get_pbus(dev); - pci_ops_mmconf.write8(pbus, dev->bus->secondary, dev->path.pci.devfn, where, val); + pci_ops_mmconf.write8(pbus, dev->bus->secondary, dev->path.pci.devfn, + where, val); } -void pci_mmio_write_config16(device_t dev, unsigned where, uint16_t val) +void pci_mmio_write_config16(device_t dev, unsigned int where, u16 val) { struct bus *pbus = get_pbus(dev); - pci_ops_mmconf.write16(pbus, dev->bus->secondary, dev->path.pci.devfn, where, val); + pci_ops_mmconf.write16(pbus, dev->bus->secondary, dev->path.pci.devfn, + where, val); } -void pci_mmio_write_config32(device_t dev, unsigned where, uint32_t val) +void pci_mmio_write_config32(device_t dev, unsigned int where, u32 val) { struct bus *pbus = get_pbus(dev); - pci_ops_mmconf.write32(pbus, dev->bus->secondary, dev->path.pci.devfn, where, val); + pci_ops_mmconf.write32(pbus, dev->bus->secondary, dev->path.pci.devfn, + where, val); } + #endif |