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powerpc/pci: Fix IMMRBAR address

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For PEXCSRBAR, bit 3-0 indicate prefetchable and address type.
So when getting base address, these bits should be masked,
otherwise we may get incorrect base address.

Signed-off-by: Minghuan Lian <Minghuan.Lian@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Minghuan Lian 2014-01-20 18:54:20 +08:00 • committed by Scott Wood
parent 5d1a566e51
commit a424b97b7e
1 changed files with 8 additions and 0 deletions
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8
arch/powerpc/sysdev/fsl_pci.c
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@ -868,6 +868,14 @@ u64 fsl_pci_immrbar_base(struct pci_controller *hose)
pci_bus_read_config_dword(hose->bus, pci_bus_read_config_dword(hose->bus,
PCI_DEVFN(0, 0), PCI_BASE_ADDRESS_0, &base); PCI_DEVFN(0, 0), PCI_BASE_ADDRESS_0, &base);
/*
* For PEXCSRBAR, bit 3-0 indicate prefetchable and
* address type. So when getting base address, these
* bits should be masked
*/
base &= PCI_BASE_ADDRESS_MEM_MASK;
return base; return base;
} }
#endif #endif