diff options
Diffstat (limited to 'drivers/bcma/driver_pci.c')
| -rw-r--r-- | drivers/bcma/driver_pci.c | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index b0c19ede0d2..dc6f34ac96a 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -157,11 +157,47 @@ static void bcma_pcicore_serdes_workaround(struct bcma_drv_pci *pc) * Init. **************************************************/ -void bcma_core_pci_init(struct bcma_drv_pci *pc) +static void bcma_core_pci_clientmode_init(struct bcma_drv_pci *pc) { bcma_pcicore_serdes_workaround(pc); } +static bool bcma_core_pci_is_in_hostmode(struct bcma_drv_pci *pc) +{ + struct bcma_bus *bus = pc->core->bus; + u16 chipid_top; + + chipid_top = (bus->chipinfo.id & 0xFF00); + if (chipid_top != 0x4700 && + chipid_top != 0x5300) + return false; + + if (bus->sprom.boardflags_lo & SSB_PCICORE_BFL_NOPCI) + return false; + +#if 0 + /* TODO: on BCMA we use address from EROM instead of magic formula */ + u32 tmp; + return !mips_busprobe32(tmp, (bus->mmio + + (pc->core->core_index * BCMA_CORE_SIZE))); +#endif + + return true; +} + +void bcma_core_pci_init(struct bcma_drv_pci *pc) +{ + if (bcma_core_pci_is_in_hostmode(pc)) { +#ifdef CONFIG_BCMA_DRIVER_PCI_HOSTMODE + bcma_core_pci_hostmode_init(pc); +#else + pr_err("Driver compiled without support for hostmode PCI\n"); +#endif /* CONFIG_BCMA_DRIVER_PCI_HOSTMODE */ + } else { + bcma_core_pci_clientmode_init(pc); + } +} + int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable) { |