[SeaBIOS] [PATCH] megasas: read addional PCI I/O bar
Hannes Reinecke
hare at suse.de
Thu Nov 6 14:31:56 CET 2014
Some newer cards have the I/O bar at BAR 0, so we need to check
that, too, if we cannot get an address for BAR 2.
Without this patch the new 'megasas-gen2' emulation in qemu
is not detected.
Signed-off-by: Hannes Reinecke <hare at suse.de>
---
src/megasas.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/megasas.c b/src/megasas.c
index f4eeba0..167fc32 100644
--- a/src/megasas.c
+++ b/src/megasas.c
@@ -353,6 +353,10 @@ init_megasas(struct pci_device *pci)
u32 iobase = pci_config_readl(pci->bdf, PCI_BASE_ADDRESS_2)
& PCI_BASE_ADDRESS_IO_MASK;
+ if (!iobase)
+ iobase = pci_config_readl(pci->bdf, PCI_BASE_ADDRESS_0)
+ & PCI_BASE_ADDRESS_IO_MASK;
+
dprintf(1, "found MegaRAID SAS at %02x:%02x.%x, io @ %x\n",
pci_bdf_to_bus(bdf), pci_bdf_to_dev(bdf),
pci_bdf_to_fn(bdf), iobase);
--
1.8.4.5
More information about the SeaBIOS
mailing list