PCI: tegra: Advertise PCIe Advanced Error Reporting (AER) capability (c635a815) · Commits · 戴 / test

drivers/pci/controller/pci-tegra.c

+15 −0

Original line number	Diff line number	Diff line
		@@ -180,6 +180,9 @@
		#define RP_VEND_XP 0x00000f00
		#define RP_VEND_XP_DL_UP (1 << 30)

		#define RP_VEND_CTL1 0x00000f48
		#define RP_VEND_CTL1_ERPT (1 << 13)

		#define RP_VEND_CTL2 0x00000fa8
		#define RP_VEND_CTL2_PCA_ENABLE (1 << 7)

		@@ -479,6 +482,16 @@ static void tegra_pcie_port_reset(struct tegra_pcie_port *port)
		afi_writel(port->pcie, value, ctrl);
		}

		static void tegra_pcie_enable_rp_features(struct tegra_pcie_port *port)
		{
		u32 value;

		/* Enable AER capability */
		value = readl(port->base + RP_VEND_CTL1);
		value \|= RP_VEND_CTL1_ERPT;
		writel(value, port->base + RP_VEND_CTL1);
		}

		static void tegra_pcie_port_enable(struct tegra_pcie_port *port)
		{
		unsigned long ctrl = tegra_pcie_port_get_pex_ctrl(port);
		@@ -503,6 +516,8 @@ static void tegra_pcie_port_enable(struct tegra_pcie_port *port)
		value \|= RP_VEND_CTL2_PCA_ENABLE;
		writel(value, port->base + RP_VEND_CTL2);
		}

		tegra_pcie_enable_rp_features(port);
		}

		static void tegra_pcie_port_disable(struct tegra_pcie_port *port)