diff options
Diffstat (limited to 'arch/arm/mach-ixp23xx')
| -rw-r--r-- | arch/arm/mach-ixp23xx/pci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-ixp23xx/pci.c b/arch/arm/mach-ixp23xx/pci.c index ba6b4367a1d..ac72f94c5b4 100644 --- a/arch/arm/mach-ixp23xx/pci.c +++ b/arch/arm/mach-ixp23xx/pci.c @@ -219,6 +219,12 @@ static void __init ixp23xx_pci_common_init(void) *IXP23XX_PCI_CPP_ADDR_BITS &= ~(1 << 1); } else { *IXP23XX_PCI_CPP_ADDR_BITS |= (1 << 1); + + /* + * Enable coherency on A2 silicon. + */ + if (arch_is_coherent()) + *IXP23XX_CPP2XSI_CURR_XFER_REG3 &= ~IXP23XX_CPP2XSI_COH_OFF; } } |