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| author | Oliver O'Halloran <oohall@gmail.com> | 2017-09-15 15:40:48 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-09-15 02:49:27 -0500 |
| commit | 6d67361b59b70d930144b47f6fbbef956ca2fb40 (patch) | |
| tree | eb23994b060466d15686286a8447449534a8470c /core | |
| parent | cc41ce944b978395366177a29340facde3f1150b (diff) | |
| download | skiboot-6d67361b59b70d930144b47f6fbbef956ca2fb40.zip skiboot-6d67361b59b70d930144b47f6fbbef956ca2fb40.tar.gz skiboot-6d67361b59b70d930144b47f6fbbef956ca2fb40.tar.bz2 | |
core/pci-slots: Move slot-label construction to a helper
Move this out of the astbmc specific part into a generic helper. This
allows us to use it more commonly.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'core')
| -rw-r--r-- | core/pci-slot.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/core/pci-slot.c b/core/pci-slot.c index 69bdb86..6d3ed6c 100644 --- a/core/pci-slot.c +++ b/core/pci-slot.c @@ -212,3 +212,33 @@ struct pci_slot *pci_slot_find(uint64_t id) slot = pd ? pd->slot : NULL; return slot; } + +void pci_slot_add_loc(struct pci_slot *slot, + struct dt_node *np, const char *label) +{ + char tmp[8], loc_code[LOC_CODE_SIZE]; + struct pci_device *pd = slot->pd; + struct phb *phb = slot->phb; + + if (!np) + return; + + /* didn't get a real slot label? generate one! */ + if (!label) { + snprintf(tmp, sizeof(tmp), "S%04x%02x", phb->opal_id, + pd->secondary_bus); + label = tmp; + } + + /* Make a <PHB_LOC_CODE>-<LABEL> pair if we have a PHB loc code */ + if (phb->base_loc_code) { + snprintf(loc_code, sizeof(loc_code), "%s-%s", + phb->base_loc_code, label); + } else { + strncpy(loc_code, label, sizeof(loc_code)); + } + + dt_add_property_string(np, "ibm,slot-label", label); + dt_add_property_nstr(np, "ibm,slot-location-code", loc_code, + sizeof(loc_code)); +} |