diff options
Diffstat (limited to 'drivers/pci/dwc/pci-layerscape.c')
| -rw-r--r-- | drivers/pci/dwc/pci-layerscape.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/pci/dwc/pci-layerscape.c b/drivers/pci/dwc/pci-layerscape.c index 87fa486bee2c..8f34c2fdc600 100644 --- a/drivers/pci/dwc/pci-layerscape.c +++ b/drivers/pci/dwc/pci-layerscape.c @@ -33,6 +33,8 @@ /* PEX Internal Configuration Registers */ #define PCIE_STRFMR1 0x71c /* Symbol Timer & Filter Mask Register1 */ +#define PCIE_ABSERR 0x8d0 /* Bridge Slave Error Response Register */ +#define PCIE_ABSERR_SETTING 0x9401 /* Forward error of non-posted request */ #define PCIE_IATU_NUM 6 @@ -124,6 +126,14 @@ static int ls_pcie_link_up(struct dw_pcie *pci) return 1; } +/* Forward error response of outbound non-posted requests */ +static void ls_pcie_fix_error_response(struct ls_pcie *pcie) +{ + struct dw_pcie *pci = pcie->pci; + + iowrite32(PCIE_ABSERR_SETTING, pci->dbi_base + PCIE_ABSERR); +} + static int ls_pcie_host_init(struct pcie_port *pp) { struct dw_pcie *pci = to_dw_pcie_from_pp(pp); @@ -135,6 +145,7 @@ static int ls_pcie_host_init(struct pcie_port *pp) * dw_pcie_setup_rc() will reconfigure the outbound windows. */ ls_pcie_disable_outbound_atus(pcie); + ls_pcie_fix_error_response(pcie); dw_pcie_dbi_ro_wr_en(pci); ls_pcie_clear_multifunction(pcie); @@ -253,6 +264,7 @@ static struct ls_pcie_drvdata ls2088_drvdata = { }; static const struct of_device_id ls_pcie_of_match[] = { + { .compatible = "fsl,ls1012a-pcie", .data = &ls1046_drvdata }, { .compatible = "fsl,ls1021a-pcie", .data = &ls1021_drvdata }, { .compatible = "fsl,ls1043a-pcie", .data = &ls1043_drvdata }, { .compatible = "fsl,ls1046a-pcie", .data = &ls1046_drvdata }, |