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Diffstat (limited to 'drivers/pci/controller/dwc')
-rw-r--r--drivers/pci/controller/dwc/pci-dra7xx.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
index ce9224a36f62..a32d6dde7a57 100644
--- a/drivers/pci/controller/dwc/pci-dra7xx.c
+++ b/drivers/pci/controller/dwc/pci-dra7xx.c
@@ -542,7 +542,7 @@ static const struct of_device_id of_dra7xx_pcie_match[] = {
542}; 542};
543 543
544/* 544/*
545 * dra7xx_pcie_ep_unaligned_memaccess: workaround for AM572x/AM571x Errata i870 545 * dra7xx_pcie_unaligned_memaccess: workaround for AM572x/AM571x Errata i870
546 * @dra7xx: the dra7xx device where the workaround should be applied 546 * @dra7xx: the dra7xx device where the workaround should be applied
547 * 547 *
548 * Access to the PCIe slave port that are not 32-bit aligned will result 548 * Access to the PCIe slave port that are not 32-bit aligned will result
@@ -552,7 +552,7 @@ static const struct of_device_id of_dra7xx_pcie_match[] = {
552 * 552 *
553 * To avoid this issue set PCIE_SS1_AXI2OCP_LEGACY_MODE_ENABLE to 1. 553 * To avoid this issue set PCIE_SS1_AXI2OCP_LEGACY_MODE_ENABLE to 1.
554 */ 554 */
555static int dra7xx_pcie_ep_unaligned_memaccess(struct device *dev) 555static int dra7xx_pcie_unaligned_memaccess(struct device *dev)
556{ 556{
557 int ret; 557 int ret;
558 struct device_node *np = dev->of_node; 558 struct device_node *np = dev->of_node;
@@ -704,6 +704,11 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
704 704
705 dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_DEVICE_TYPE, 705 dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_DEVICE_TYPE,
706 DEVICE_TYPE_RC); 706 DEVICE_TYPE_RC);
707
708 ret = dra7xx_pcie_unaligned_memaccess(dev);
709 if (ret)
710 dev_err(dev, "WA for Errata i870 not applied\n");
711
707 ret = dra7xx_add_pcie_port(dra7xx, pdev); 712 ret = dra7xx_add_pcie_port(dra7xx, pdev);
708 if (ret < 0) 713 if (ret < 0)
709 goto err_gpio; 714 goto err_gpio;
@@ -717,7 +722,7 @@ static int __init dra7xx_pcie_probe(struct platform_device *pdev)
717 dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_DEVICE_TYPE, 722 dra7xx_pcie_writel(dra7xx, PCIECTRL_TI_CONF_DEVICE_TYPE,
718 DEVICE_TYPE_EP); 723 DEVICE_TYPE_EP);
719 724
720 ret = dra7xx_pcie_ep_unaligned_memaccess(dev); 725 ret = dra7xx_pcie_unaligned_memaccess(dev);
721 if (ret) 726 if (ret)
722 goto err_gpio; 727 goto err_gpio;
723 728