usb: sunxi: access ahb_reset0_cfg in CCM using its offset

[u-boot] / drivers / usb / host / ehci-sunxi.c

diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c
index 35fbe033311bb7e284cbc9c00fcd96af7c7f98c2..97d06d597582062422e9f03d441928d61f9645f5 100644 (file)
--- a/drivers/usb/host/ehci-sunxi.c
+++ b/drivers/usb/host/ehci-sunxi.c
@@ -22,14 +22,19 @@
 #define AHB_CLK_DIST           1
 #endif
 
+#define SUN6I_AHB_RESET0_CFG_OFFSET 0x2c0
+#define SUN9I_AHB_RESET0_CFG_OFFSET 0x5a0
+
 struct ehci_sunxi_cfg {
        bool has_reset;
        u32 extra_ahb_gate_mask;
+       u32 reset0_cfg_offset;
 };
 
 struct ehci_sunxi_priv {
        struct ehci_ctrl ehci;
        struct sunxi_ccm_reg *ccm;
+       u32 *reset0_cfg;
        int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */
        struct phy phy;
        const struct ehci_sunxi_cfg *cfg;
@@ -49,6 +54,9 @@ static int ehci_usb_probe(struct udevice *dev)
        if (IS_ERR(priv->ccm))
                return PTR_ERR(priv->ccm);
 
+       priv->reset0_cfg = (void *)priv->ccm +
+                                  priv->cfg->reset0_cfg_offset;
+
        phys = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
        if (phys < 0) {
                phys = 0;
@@ -86,7 +94,7 @@ no_phy:
        setbits_le32(&priv->ccm->ahb_gate0,
                     priv->ahb_gate_mask | extra_ahb_gate_mask);
        if (priv->cfg->has_reset)
-               setbits_le32(&priv->ccm->ahb_reset0_cfg,
+               setbits_le32(priv->reset0_cfg,
                             priv->ahb_gate_mask | extra_ahb_gate_mask);
 
        hcor = (struct ehci_hcor *)((uintptr_t)hccr +
@@ -113,7 +121,7 @@ static int ehci_usb_remove(struct udevice *dev)
                return ret;
 
        if (priv->cfg->has_reset)
-               clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask);
+               clrbits_le32(priv->reset0_cfg, priv->ahb_gate_mask);
        clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask);
 
        return 0;
@@ -125,11 +133,18 @@ static const struct ehci_sunxi_cfg sun4i_a10_cfg = {
 
 static const struct ehci_sunxi_cfg sun6i_a31_cfg = {
        .has_reset = true,
+       .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
 };
 
 static const struct ehci_sunxi_cfg sun8i_h3_cfg = {
        .has_reset = true,
        .extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0,
+       .reset0_cfg_offset = SUN6I_AHB_RESET0_CFG_OFFSET,
+};
+
+static const struct ehci_sunxi_cfg sun9i_a80_cfg = {
+       .has_reset = true,
+       .reset0_cfg_offset = SUN9I_AHB_RESET0_CFG_OFFSET,
 };
 
 static const struct udevice_id ehci_usb_ids[] = {
@@ -163,7 +178,7 @@ static const struct udevice_id ehci_usb_ids[] = {
        },
        {
                .compatible = "allwinner,sun9i-a80-ehci",
-               .data = (ulong)&sun6i_a31_cfg,
+               .data = (ulong)&sun9i_a80_cfg,
        },
        {
                .compatible = "allwinner,sun50i-a64-ehci",