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@@ -247,9 +247,6 @@ static int imx6q_pcie_abort_handler(unsigned long addr,
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static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie)
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{
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- struct dw_pcie *pci = imx6_pcie->pci;
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- u32 val, gpr1, gpr12;
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-
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switch (imx6_pcie->variant) {
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case IMX6SX:
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regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
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@@ -266,33 +263,6 @@ static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie)
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IMX6Q_GPR1_PCIE_SW_RST);
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break;
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case IMX6Q:
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- /*
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- * If the bootloader already enabled the link we need some
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- * special handling to get the core back into a state where
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- * it is safe to touch it for configuration. As there is
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- * no dedicated reset signal wired up for MX6QDL, we need
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- * to manually force LTSSM into "detect" state before
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- * completely disabling LTSSM, which is a prerequisite for
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- * core configuration.
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- *
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- * If both LTSSM_ENABLE and REF_SSP_ENABLE are active we
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- * have a strong indication that the bootloader activated
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- * the link.
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- */
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- regmap_read(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1, &gpr1);
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- regmap_read(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12, &gpr12);
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-
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- if ((gpr1 & IMX6Q_GPR1_PCIE_REF_CLK_EN) &&
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- (gpr12 & IMX6Q_GPR12_PCIE_CTL_2)) {
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- val = dw_pcie_readl_dbi(pci, PCIE_PL_PFLR);
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- val &= ~PCIE_PL_PFLR_LINK_STATE_MASK;
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- val |= PCIE_PL_PFLR_FORCE_LINK;
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- dw_pcie_writel_dbi(pci, PCIE_PL_PFLR, val);
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-
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- regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR12,
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- IMX6Q_GPR12_PCIE_CTL_2, 0 << 10);
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- }
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-
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regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
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IMX6Q_GPR1_PCIE_TEST_PD, 1 << 18);
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regmap_update_bits(imx6_pcie->iomuxc_gpr, IOMUXC_GPR1,
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@@ -503,10 +473,8 @@ static int imx6_pcie_establish_link(struct imx6_pcie *imx6_pcie)
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IMX6Q_GPR12_PCIE_CTL_2, 1 << 10);
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ret = imx6_pcie_wait_for_link(imx6_pcie);
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- if (ret) {
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- dev_info(dev, "Link never came up\n");
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+ if (ret)
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goto err_reset_phy;
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- }
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if (imx6_pcie->link_gen == 2) {
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/* Allow Gen2 mode after the link is up. */
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@@ -688,8 +656,7 @@ static int __init imx6_pcie_probe(struct platform_device *pdev)
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imx6_pcie->pcie_inbound_axi = devm_clk_get(dev,
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"pcie_inbound_axi");
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if (IS_ERR(imx6_pcie->pcie_inbound_axi)) {
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- dev_err(dev,
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- "pcie_incbound_axi clock missing or invalid\n");
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+ dev_err(dev, "pcie_inbound_axi clock missing or invalid\n");
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return PTR_ERR(imx6_pcie->pcie_inbound_axi);
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}
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}
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