When multiple PCI cards are present in an ls2080a board, the second
card does not get its msi-map set up properly due to a bug in computing
the bus number.
The bus number returned by PCI_BDF() is not the actual PCI bus
number, but instead represents a global u-boot PCI bus number. A given
bus number is relative to hose->first_busno, so that has to be subtracted
from the PCI device id.
Signed-off-by: Bogdan Purcareata <bogdan.purcare...@nxp.com>
Acked-by: Stuart Yoder <stuart.yo...@nxp.com>
---
drivers/pci/pcie_layerscape.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/pci/pcie_layerscape.c b/drivers/pci/pcie_layerscape.c
index 0ba960e..2e6b986 100644
--- a/drivers/pci/pcie_layerscape.c
+++ b/drivers/pci/pcie_layerscape.c
@@ -569,7 +569,7 @@ static void fdt_fixup_pcie(void *blob)
unsigned char header_type;
int index;
u32 streamid;
- pci_dev_t dev;
+ pci_dev_t dev, bdf;
int bus;
unsigned short id;
struct pci_controller *hose;
@@ -611,12 +611,15 @@ static void fdt_fixup_pcie(void *blob)
continue;
}
+ /* the DT fixup must be relative to the hose
first_busno */
+ bdf = dev - PCI_BDF(hose->first_busno, 0, 0);
+
/* map PCI b.d.f to streamID in LUT */
- ls_pcie_lut_set_mapping(pcie, index, dev >> 8,
+ ls_pcie_lut_set_mapping(pcie, index, bdf >> 8,
streamid);
/* update msi-map in device tree */
- fdt_pcie_set_msi_map_entry(blob, pcie, dev >> 8,
+ fdt_pcie_set_msi_map_entry(blob, pcie, bdf >> 8,
streamid);
}
}
--
1.9.1
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