diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.14/0071-6-PCI-qcom-Force-GEN1-support.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.14/0071-6-PCI-qcom-Force-GEN1-support.patch | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/target/linux/ipq806x/patches-4.14/0071-6-PCI-qcom-Force-GEN1-support.patch b/target/linux/ipq806x/patches-4.14/0071-6-PCI-qcom-Force-GEN1-support.patch index f623532bdb..5dea084bfa 100644 --- a/target/linux/ipq806x/patches-4.14/0071-6-PCI-qcom-Force-GEN1-support.patch +++ b/target/linux/ipq806x/patches-4.14/0071-6-PCI-qcom-Force-GEN1-support.patch @@ -14,48 +14,48 @@ Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org> @@ -129,6 +129,8 @@ #define PCIE20_v3_PARF_SLV_ADDR_SPACE_SIZE 0x358 #define SLV_ADDR_SPACE_SZ 0x10000000 - + +#define PCIE20_LNK_CONTROL2_LINK_STATUS2 0xA0 + struct qcom_pcie_resources_2_1_0 { - struct clk *iface_clk; - struct clk *core_clk; -@@ -218,6 +220,7 @@ - struct phy *phy; - struct gpio_desc *reset; - struct qcom_pcie_ops *ops; + struct clk *iface_clk; + struct clk *core_clk; +@@ -218,6 +220,7 @@ struct qcom_pcie { + struct phy *phy; + struct gpio_desc *reset; + struct qcom_pcie_ops *ops; + uint32_t force_gen1; }; - + #define to_qcom_pcie(x) dev_get_drvdata((x)->dev) -@@ -532,6 +535,11 @@ - - /* wait for clock acquisition */ - usleep_range(1000, 1500); +@@ -532,6 +535,11 @@ static int qcom_pcie_init_2_1_0(struct q + + /* wait for clock acquisition */ + usleep_range(1000, 1500); + if (pcie->force_gen1) { + writel_relaxed((readl_relaxed( + pcie->pci->dbi_base + PCIE20_LNK_CONTROL2_LINK_STATUS2) | 1), + pcie->pci->dbi_base + PCIE20_LNK_CONTROL2_LINK_STATUS2); + } - - - /* Set the Max TLP size to 2K, instead of using default of 4K */ -@@ -1382,6 +1390,8 @@ - struct dw_pcie *pci; - struct qcom_pcie *pcie; - int ret; + + + /* Set the Max TLP size to 2K, instead of using default of 4K */ +@@ -1382,6 +1390,8 @@ static int qcom_pcie_probe(struct platfo + struct dw_pcie *pci; + struct qcom_pcie *pcie; + int ret; + uint32_t force_gen1 = 0; + struct device_node *np = pdev->dev.of_node; - - pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); - if (!pcie) -@@ -1403,6 +1413,9 @@ - if (IS_ERR(pcie->reset)) - return PTR_ERR(pcie->reset); - + + pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); + if (!pcie) +@@ -1403,6 +1413,9 @@ static int qcom_pcie_probe(struct platfo + if (IS_ERR(pcie->reset)) + return PTR_ERR(pcie->reset); + + of_property_read_u32(np, "force_gen1", &force_gen1); + pcie->force_gen1 = force_gen1; + - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "parf"); - pcie->parf = devm_ioremap_resource(dev, res); - if (IS_ERR(pcie->parf)) + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "parf"); + pcie->parf = devm_ioremap_resource(dev, res); + if (IS_ERR(pcie->parf)) |