On Sat, Jan 09, 2016 at 01:22:56PM +0100, Alexander Gordeev wrote: > Cc: Andrew Jones <[email protected]> > Signed-off-by: Alexander Gordeev <[email protected]> > --- > lib/pci-host-generic.c | 35 +++++++++++++++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > > diff --git a/lib/pci-host-generic.c b/lib/pci-host-generic.c > index 3d9c271..2d218a4 100644 > --- a/lib/pci-host-generic.c > +++ b/lib/pci-host-generic.c > @@ -19,6 +19,15 @@ > dev >= 0; \ > dev = find_next_dev(pci, dev, &conf)) > > +static char *addr_space_desc[] = { > + [PCI_RES_TYPE_CONF] = "CONF", > + [PCI_RES_TYPE_IO] = "IO", > + [PCI_RES_TYPE_MEM32] = "MEM32", > + [PCI_RES_TYPE_MEM64] = "MEM64", > + [PCI_RES_TYPE_PREFMEM32] = "MEM32/p", > + [PCI_RES_TYPE_PREFMEM64] = "MEM64/p" > +}; > + > static pci_res_type_t flags_to_type(u32 of_flags) > { > return ((of_flags & 0x40000000) >> 28) | ((of_flags >> 24) & 0x03); > @@ -105,6 +114,28 @@ static void pci_host_addr_space_init(struct > pci_addr_space as[], int nr_as, > } > } > > +static void pci_host_bridge_print(struct pci_host_bridge *host) > +{ > + printf("PCIe start %016llx size %016llx " > + "bus %02x bus_max %02x #spaces %d\n\n", > + host->cpu_range.start, host->cpu_range.size, > + host->bus, host->bus_max, host->nr_addr_spaces); > +} > + > +static void pci_address_spaces_print(struct pci_addr_space as[], int nr_as) > +{ > + int i; > + > + for (i = 0; i < nr_as; i++, as++) { > + printf("%s address space:\n" > + "CPU: start %016llx size %016llx\n" > + "PCI: start %016llx size %016llx\n\n", > + addr_space_desc[flags_to_type(as->of_flags)], > + as->cpu_range.start, as->cpu_range.size, > + as->pci_range.start, as->pci_range.size); > + } > +} > + > /* > * Probe DT for a generic PCI host controller > * See kernel Documentation/devicetree/bindings/pci/host-generic-pci.txt > @@ -180,9 +211,13 @@ static struct pci_host_bridge > *pci_host_bridge_probe(void) > host->bus_max = bus_max; > host->nr_addr_spaces = nr_addr_spaces; > > + pci_host_bridge_print(host); > + > pci_host_addr_space_init(&host->addr_space[0], nr_addr_spaces, > (u32*)prop->data, nr_range_cells); > > + pci_address_spaces_print(&host->addr_space[0], host->nr_addr_spaces); > + > return host; > }
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