On Sat, Jan 09, 2016 at 01:22:56PM +0100, Alexander Gordeev wrote:
> Cc: Andrew Jones <drjones@xxxxxxxxxx>
> Signed-off-by: Alexander Gordeev <agordeev@xxxxxxxxxx>
> ---
> 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;
> }
Looks good
drew
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