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--- a/arch/mips/ath79/dev-usb.c
+++ b/arch/mips/ath79/dev-usb.c
@@ -37,6 +37,8 @@ static struct usb_ehci_pdata ath79_ehci_
static struct usb_ehci_pdata ath79_ehci_pdata_v2 = {
.caps_offset = 0x100,
.has_tt = 1,
+ .qca_force_host_mode = 1,
+ .qca_force_16bit_ptw = 1,
};
static void __init ath79_usb_register(const char *name, int id,
@@ -159,6 +161,9 @@ static void __init ar913x_usb_setup(void
ath79_device_reset_clear(AR913X_RESET_USB_PHY);
mdelay(10);
+ ath79_ehci_pdata_v2.qca_force_host_mode = 0;
+ ath79_ehci_pdata_v2.qca_force_16bit_ptw = 0;
+
ath79_usb_register("ehci-platform", -1,
AR913X_EHCI_BASE, AR913X_EHCI_SIZE,
ATH79_CPU_IRQ(3),
@@ -182,14 +187,34 @@ static void __init ar933x_usb_setup(void
&ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
}
-static void __init ar934x_usb_setup(void)
+static void enable_tx_tx_idp_violation_fix(unsigned base)
{
- u32 bootstrap;
+ void __iomem *phy_reg;
+ u32 t;
- bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP);
- if (bootstrap & AR934X_BOOTSTRAP_USB_MODE_DEVICE)
+ phy_reg = ioremap(base, 4);
+ if (!phy_reg)
return;
+ t = ioread32(phy_reg);
+ t &= ~0xff;
+ t |= 0x58;
+ iowrite32(t, phy_reg);
+
+ iounmap(phy_reg);
+}
+
+static void ar934x_usb_reset_notifier(struct platform_device *pdev)
+{
+ if (pdev->id != -1)
+ return;
+
+ enable_tx_tx_idp_violation_fix(0x18116c94);
+ dev_info(&pdev->dev, "TX-TX IDP fix enabled\n");
+}
+
+static void __init ar934x_usb_setup(void)
+{
ath79_device_reset_set(AR934X_RESET_USBSUS_OVERRIDE);
udelay(1000);
@@ -202,14 +227,40 @@ static void __init ar934x_usb_setup(void
ath79_device_reset_clear(AR934X_RESET_USB_HOST);
udelay(1000);
+ if (ath79_soc_rev >= 3)
+ ath79_ehci_pdata_v2.reset_notifier = ar934x_usb_reset_notifier;
+
ath79_usb_register("ehci-platform", -1,
AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
ATH79_CPU_IRQ(3),
&ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
}
+static void qca955x_usb_reset_notifier(struct platform_device *pdev)
+{
+ u32 base;
+
+ switch (pdev->id) {
+ case 0:
+ base = 0x18116c94;
+ break;
+
+ case 1:
+ base = 0x18116e54;
+ break;
+
+ default:
+ return;
+ }
+
+ enable_tx_tx_idp_violation_fix(base);
+ dev_info(&pdev->dev, "TX-TX IDP fix enabled\n");
+}
+
static void __init qca955x_usb_setup(void)
{
+ ath79_ehci_pdata_v2.reset_notifier = qca955x_usb_reset_notifier;
+
ath79_usb_register("ehci-platform", 0,
QCA955X_EHCI0_BASE, QCA955X_EHCI_SIZE,
ATH79_IP3_IRQ(0),
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