PCI: tegra: Program AFI_CACHE_BAR_{0,1}_{ST,SZ} registers only for Tegra20 (b5b4717e) · Commits · 戴 / test

drivers/pci/controller/pci-tegra.c

+13 −5

Original line number	Diff line number	Diff line
		@@ -323,6 +323,7 @@ struct tegra_pcie_soc {
		bool program_deskew_time;
		bool raw_violation_fixup;
		bool update_fc_timer;
		bool has_cache_bars;
		struct {
		struct {
		u32 rp_ectl_2_r1;
		@@ -932,11 +933,13 @@ static void tegra_pcie_setup_translations(struct tegra_pcie *pcie)
		afi_writel(pcie, 0, AFI_AXI_BAR5_SZ);
		afi_writel(pcie, 0, AFI_FPCI_BAR5);

		if (pcie->soc->has_cache_bars) {
		/* map all upstream transactions as uncached */
		afi_writel(pcie, 0, AFI_CACHE_BAR0_ST);
		afi_writel(pcie, 0, AFI_CACHE_BAR0_SZ);
		afi_writel(pcie, 0, AFI_CACHE_BAR1_ST);
		afi_writel(pcie, 0, AFI_CACHE_BAR1_SZ);
		}

		/* MSI translations are setup only when needed */
		afi_writel(pcie, 0, AFI_MSI_FPCI_BAR_ST);
		@@ -2460,6 +2463,7 @@ static const struct tegra_pcie_soc tegra20_pcie = {
		.program_deskew_time = false,
		.raw_violation_fixup = false,
		.update_fc_timer = false,
		.has_cache_bars = true,
		.ectl.enable = false,
		};

		@@ -2488,6 +2492,7 @@ static const struct tegra_pcie_soc tegra30_pcie = {
		.program_deskew_time = false,
		.raw_violation_fixup = false,
		.update_fc_timer = false,
		.has_cache_bars = false,
		.ectl.enable = false,
		};

		@@ -2511,6 +2516,7 @@ static const struct tegra_pcie_soc tegra124_pcie = {
		.program_deskew_time = false,
		.raw_violation_fixup = true,
		.update_fc_timer = false,
		.has_cache_bars = false,
		.ectl.enable = false,
		};

		@@ -2534,6 +2540,7 @@ static const struct tegra_pcie_soc tegra210_pcie = {
		.program_deskew_time = true,
		.raw_violation_fixup = false,
		.update_fc_timer = true,
		.has_cache_bars = false,
		.ectl = {
		.regs = {
		.rp_ectl_2_r1 = 0x0000000f,
		@@ -2574,6 +2581,7 @@ static const struct tegra_pcie_soc tegra186_pcie = {
		.program_deskew_time = false,
		.raw_violation_fixup = false,
		.update_fc_timer = false,
		.has_cache_bars = false,
		.ectl.enable = false,
		};

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