diff options
Diffstat (limited to 'arch/powerpc/sysdev/fsl_pci.c')
| -rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index f88a9aecdf16..13aaefc1af5b 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -89,11 +89,22 @@ void __init setup_pci_atmu(struct pci_controller *hose, struct resource *rsrc) void __init setup_pci_cmd(struct pci_controller *hose) { u16 cmd; + int cap_x; + early_read_config_word(hose, 0, 0, PCI_COMMAND, &cmd); cmd |= PCI_COMMAND_SERR | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO; early_write_config_word(hose, 0, 0, PCI_COMMAND, cmd); - early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80); + + cap_x = early_find_capability(hose, 0, 0, PCI_CAP_ID_PCIX); + if (cap_x) { + int pci_x_cmd = cap_x + PCI_X_CMD; + cmd = PCI_X_CMD_MAX_SPLIT | PCI_X_CMD_MAX_READ + | PCI_X_CMD_ERO | PCI_X_CMD_DPERR_E; + early_write_config_word(hose, 0, 0, pci_x_cmd, cmd); + } else { + early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0x80); + } } static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev) |