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| author | Mark Brown <broonie@kernel.org> | 2018-01-08 15:54:50 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-01-08 15:54:50 +0000 |
| commit | 498495dba268b20e8eadd7fe93c140c68b6cc9d2 (patch) | |
| tree | 00d1562049d8bc2194fddd9ba0cbbe0812ad6f68 /drivers/pci/dwc/pci-layerscape.c | |
| parent | d5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 (diff) | |
| parent | 5c256045b87b8aa8e5bc9d2e2fdc0802351c1f99 (diff) | |
| download | linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.gz linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.bz2 linux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.zip | |
Merge branch 'fix/intel' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel
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 }, |