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@@ -22,12 +22,24 @@
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#define AHB_CLK_DIST 1
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#endif
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+#define SUN6I_AHB_RESET0_CFG_OFFSET 0x2c0
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+#define SUN9I_AHB_RESET0_CFG_OFFSET 0x5a0
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+
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+struct ohci_sunxi_cfg {
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+ bool has_reset;
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+ u32 extra_ahb_gate_mask;
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+ u32 extra_usb_gate_mask;
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+ u32 reset0_cfg_offset;
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+};
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+
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struct ohci_sunxi_priv {
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struct sunxi_ccm_reg *ccm;
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+ u32 *reset0_cfg;
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ohci_t ohci;
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int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */
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int usb_gate_mask; /* Mask of usb_clk_cfg clk gate bits for this hcd */
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struct phy phy;
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+ const struct ohci_sunxi_cfg *cfg;
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};
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static int ohci_usb_probe(struct udevice *dev)
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@@ -38,10 +50,14 @@ static int ohci_usb_probe(struct udevice *dev)
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int extra_ahb_gate_mask = 0;
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int phys, ret;
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+ priv->cfg = (const struct ohci_sunxi_cfg *)dev_get_driver_data(dev);
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priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
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if (IS_ERR(priv->ccm))
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return PTR_ERR(priv->ccm);
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+ priv->reset0_cfg = (void *)priv->ccm +
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+ priv->cfg->reset0_cfg_offset;
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+
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phys = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
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if (phys < 0) {
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phys = 0;
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@@ -74,9 +90,7 @@ no_phy:
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* clocks resp. phys.
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*/
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priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0;
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-#ifdef CONFIG_MACH_SUN8I_H3
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- extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0;
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-#endif
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+ extra_ahb_gate_mask = priv->cfg->extra_ahb_gate_mask;
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priv->usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK;
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priv->ahb_gate_mask <<= phys * AHB_CLK_DIST;
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extra_ahb_gate_mask <<= phys * AHB_CLK_DIST;
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@@ -84,11 +98,11 @@ no_phy:
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setbits_le32(&priv->ccm->ahb_gate0,
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priv->ahb_gate_mask | extra_ahb_gate_mask);
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- setbits_le32(&priv->ccm->usb_clk_cfg, priv->usb_gate_mask);
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-#ifdef CONFIG_SUNXI_GEN_SUN6I
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- setbits_le32(&priv->ccm->ahb_reset0_cfg,
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- priv->ahb_gate_mask | extra_ahb_gate_mask);
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-#endif
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+ setbits_le32(&priv->ccm->usb_clk_cfg,
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+ priv->usb_gate_mask | priv->cfg->extra_usb_gate_mask);
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+ if (priv->cfg->has_reset)
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+ setbits_le32(priv->reset0_cfg,
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+ priv->ahb_gate_mask | extra_ahb_gate_mask);
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return ohci_register(dev, regs);
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}
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@@ -110,26 +124,79 @@ static int ohci_usb_remove(struct udevice *dev)
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if (ret)
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return ret;
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-#ifdef CONFIG_SUNXI_GEN_SUN6I
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- clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask);
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-#endif
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+ if (priv->cfg->has_reset)
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+ clrbits_le32(priv->reset0_cfg, priv->ahb_gate_mask);
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clrbits_le32(&priv->ccm->usb_clk_cfg, priv->usb_gate_mask);
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clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask);
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return 0;
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}
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+static const struct ohci_sunxi_cfg sun4i_a10_cfg = {
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+ .has_reset = false,
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+};
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+
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+static const struct ohci_sunxi_cfg sun6i_a31_cfg = {
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+ .has_reset = true,
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+ .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
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+};
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+
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+static const struct ohci_sunxi_cfg sun8i_h3_cfg = {
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+ .has_reset = true,
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+ .extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0,
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+ .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
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+};
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+
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+static const struct ohci_sunxi_cfg sun9i_a80_cfg = {
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+ .has_reset = true,
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+ .reset0_cfg_offset = SUN9I_AHB_RESET0_CFG_OFFSET,
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+};
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+
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+static const struct ohci_sunxi_cfg sun50i_a64_cfg = {
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+ .has_reset = true,
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+ .extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0,
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+ .extra_usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK,
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+ .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
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+};
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+
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static const struct udevice_id ohci_usb_ids[] = {
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- { .compatible = "allwinner,sun4i-a10-ohci", },
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- { .compatible = "allwinner,sun5i-a13-ohci", },
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- { .compatible = "allwinner,sun6i-a31-ohci", },
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- { .compatible = "allwinner,sun7i-a20-ohci", },
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- { .compatible = "allwinner,sun8i-a23-ohci", },
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- { .compatible = "allwinner,sun8i-a83t-ohci", },
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- { .compatible = "allwinner,sun8i-h3-ohci", },
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- { .compatible = "allwinner,sun9i-a80-ohci", },
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- { .compatible = "allwinner,sun50i-a64-ohci", },
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- { }
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+ {
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+ .compatible = "allwinner,sun4i-a10-ohci",
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+ .data = (ulong)&sun4i_a10_cfg,
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+ },
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+ {
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+ .compatible = "allwinner,sun5i-a13-ohci",
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+ .data = (ulong)&sun4i_a10_cfg,
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+ },
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+ {
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+ .compatible = "allwinner,sun6i-a31-ohci",
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+ .data = (ulong)&sun6i_a31_cfg,
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+ },
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+ {
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+ .compatible = "allwinner,sun7i-a20-ohci",
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+ .data = (ulong)&sun4i_a10_cfg,
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+ },
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+ {
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+ .compatible = "allwinner,sun8i-a23-ohci",
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+ .data = (ulong)&sun6i_a31_cfg,
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+ },
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+ {
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+ .compatible = "allwinner,sun8i-a83t-ohci",
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+ .data = (ulong)&sun6i_a31_cfg,
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+ },
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+ {
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+ .compatible = "allwinner,sun8i-h3-ohci",
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+ .data = (ulong)&sun8i_h3_cfg,
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+ },
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+ {
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+ .compatible = "allwinner,sun9i-a80-ohci",
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+ .data = (ulong)&sun9i_a80_cfg,
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+ },
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+ {
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+ .compatible = "allwinner,sun50i-a64-ohci",
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+ .data = (ulong)&sun50i_a64_cfg,
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+ },
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+ { /* sentinel */ }
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};
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U_BOOT_DRIVER(usb_ohci) = {
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