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@ -22,11 +22,17 @@ |
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#define AHB_CLK_DIST 1 |
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#endif |
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struct ehci_sunxi_cfg { |
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bool has_reset; |
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u32 extra_ahb_gate_mask; |
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}; |
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struct ehci_sunxi_priv { |
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struct ehci_ctrl ehci; |
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struct sunxi_ccm_reg *ccm; |
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int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */ |
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struct phy phy; |
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const struct ehci_sunxi_cfg *cfg; |
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}; |
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static int ehci_usb_probe(struct udevice *dev) |
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@ -38,6 +44,7 @@ static int ehci_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 ehci_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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@ -72,18 +79,15 @@ 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_EHCI0; |
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#if defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I) |
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extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0; |
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#endif |
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extra_ahb_gate_mask = priv->cfg->extra_ahb_gate_mask; |
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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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setbits_le32(&priv->ccm->ahb_gate0, |
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priv->ahb_gate_mask | extra_ahb_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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if (priv->cfg->has_reset) |
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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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hcor = (struct ehci_hcor *)((uintptr_t)hccr + |
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HC_LENGTH(ehci_readl(&hccr->cr_capbase))); |
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@ -108,25 +112,64 @@ static int ehci_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->ccm->ahb_reset0_cfg, priv->ahb_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 ehci_sunxi_cfg sun4i_a10_cfg = { |
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.has_reset = false, |
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}; |
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static const struct ehci_sunxi_cfg sun6i_a31_cfg = { |
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.has_reset = true, |
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}; |
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static const struct ehci_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_OHCI0, |
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}; |
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static const struct udevice_id ehci_usb_ids[] = { |
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{ .compatible = "allwinner,sun4i-a10-ehci", }, |
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{ .compatible = "allwinner,sun5i-a13-ehci", }, |
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{ .compatible = "allwinner,sun6i-a31-ehci", }, |
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{ .compatible = "allwinner,sun7i-a20-ehci", }, |
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{ .compatible = "allwinner,sun8i-a23-ehci", }, |
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{ .compatible = "allwinner,sun8i-a83t-ehci", }, |
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{ .compatible = "allwinner,sun8i-h3-ehci", }, |
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{ .compatible = "allwinner,sun9i-a80-ehci", }, |
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{ .compatible = "allwinner,sun50i-a64-ehci", }, |
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{ } |
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{ |
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.compatible = "allwinner,sun4i-a10-ehci", |
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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-ehci", |
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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-ehci", |
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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-ehci", |
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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-ehci", |
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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-ehci", |
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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-ehci", |
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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-ehci", |
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.data = (ulong)&sun6i_a31_cfg, |
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}, |
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{ |
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.compatible = "allwinner,sun50i-a64-ehci", |
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.data = (ulong)&sun8i_h3_cfg, |
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}, |
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{ /* sentinel */ } |
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}; |
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U_BOOT_DRIVER(ehci_sunxi) = { |
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