diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.4/525-MIPS-ath79-enable-qca-usb-quirks.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.4/525-MIPS-ath79-enable-qca-usb-quirks.patch | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.4/525-MIPS-ath79-enable-qca-usb-quirks.patch b/target/linux/ar71xx/patches-4.4/525-MIPS-ath79-enable-qca-usb-quirks.patch new file mode 100644 index 0000000000..61b6b4ee16 --- /dev/null +++ b/target/linux/ar71xx/patches-4.4/525-MIPS-ath79-enable-qca-usb-quirks.patch @@ -0,0 +1,101 @@ +--- 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), |