diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-mx6.c | 53 |
2 files changed, 42 insertions, 15 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 5129a57..7e76f19 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -88,7 +88,7 @@ config USB_EHCI_MARVELL config USB_EHCI_MX6 bool "Support for i.MX6 on-chip EHCI USB controller" - depends on ARCH_MX6 + depends on ARCH_MX6 || ARCH_MX7ULP default y ---help--- Enables support for the on-chip EHCI controller on i.MX6 SoCs. @@ -100,7 +100,7 @@ config USB_EHCI_MX7 ---help--- Enables support for the on-chip EHCI controller on i.MX7 SoCs. -if USB_EHCI_MX7 +if USB_EHCI_MX7 || USB_EHCI_MX6 config MXC_USB_OTG_HACTIVE bool "USB Power pin high active" diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c index db9748e..969e44a 100644 --- a/drivers/usb/host/ehci-mx6.c +++ b/drivers/usb/host/ehci-mx6.c @@ -64,10 +64,12 @@ DECLARE_GLOBAL_DATA_PTR; #define UCMD_RUN_STOP (1 << 0) /* controller run/stop */ #define UCMD_RESET (1 << 1) /* controller reset */ -#if defined(CONFIG_MX6) +#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) static const unsigned phy_bases[] = { USB_PHY0_BASE_ADDR, +#if defined(USB_PHY1_BASE_ADDR) USB_PHY1_BASE_ADDR, +#endif }; static void usb_internal_phy_clock_gate(int index, int on) @@ -84,6 +86,20 @@ static void usb_internal_phy_clock_gate(int index, int on) static void usb_power_config(int index) { +#if defined(CONFIG_MX7ULP) + struct usbphy_regs __iomem *usbphy = + (struct usbphy_regs __iomem *)USB_PHY0_BASE_ADDR; + + if (index > 0) + return; + + writel(ANADIG_USB2_CHRG_DETECT_EN_B | + ANADIG_USB2_CHRG_DETECT_CHK_CHRG_B, + &usbphy->usb1_chrg_detect); + + scg_enable_usb_pll(true); + +#else struct anatop_regs __iomem *anatop = (struct anatop_regs __iomem *)ANATOP_BASE_ADDR; void __iomem *chrg_detect; @@ -123,6 +139,8 @@ static void usb_power_config(int index) ANADIG_USB2_PLL_480_CTRL_POWER | ANADIG_USB2_PLL_480_CTRL_EN_USB_CLKS, pll_480_ctrl_set); + +#endif } /* Return 0 : host node, <>0 : device mode */ @@ -186,6 +204,14 @@ int usb_phy_mode(int port) return USB_INIT_HOST; } +#if defined(CONFIG_MX7ULP) +struct usbnc_regs { + u32 ctrl1; + u32 ctrl2; + u32 reserve0[2]; + u32 hsic_ctrl; +}; +#else /* Base address for this IP block is 0x02184800 */ struct usbnc_regs { u32 ctrl[4]; /* otg/host1-3 */ @@ -194,6 +220,8 @@ struct usbnc_regs { u32 otg_phy_ctrl_0; u32 uh1_phy_ctrl_0; }; +#endif + #elif defined(CONFIG_MX7) struct usbnc_regs { u32 ctrl1; @@ -214,20 +242,12 @@ static void usb_power_config(int index) struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + (0x10000 * index) + USBNC_OFFSET); void __iomem *phy_cfg2 = (void __iomem *)(&usbnc->phy_cfg2); - void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl1); /* * Clear the ACAENB to enable usb_otg_id detection, * otherwise it is the ACA detection enabled. */ clrbits_le32(phy_cfg2, USBNC_PHYCFG2_ACAENB); - - /* Set power polarity to high active */ -#ifdef CONFIG_MXC_USB_OTG_HACTIVE - setbits_le32(ctrl, UCTRL_PWR_POL); -#else - clrbits_le32(ctrl, UCTRL_PWR_POL); -#endif } int usb_phy_mode(int port) @@ -252,7 +272,7 @@ static void usb_oc_config(int index) struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET); void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl[index]); -#elif defined(CONFIG_MX7) +#elif defined(CONFIG_MX7) || defined(CONFIG_MX7ULP) struct usbnc_regs *usbnc = (struct usbnc_regs *)(USB_BASE_ADDR + (0x10000 * index) + USBNC_OFFSET); void __iomem *ctrl = (void __iomem *)(&usbnc->ctrl1); @@ -266,6 +286,13 @@ static void usb_oc_config(int index) #endif setbits_le32(ctrl, UCTRL_OVER_CUR_DIS); + + /* Set power polarity to high active */ +#ifdef CONFIG_MXC_USB_OTG_HACTIVE + setbits_le32(ctrl, UCTRL_PWR_POL); +#else + clrbits_le32(ctrl, UCTRL_PWR_POL); +#endif } /** @@ -329,7 +356,7 @@ int ehci_mx6_common_init(struct usb_ehci *ehci, int index) usb_power_config(index); usb_oc_config(index); -#if defined(CONFIG_MX6) +#if defined(CONFIG_MX6) || defined(CONFIG_MX7ULP) usb_internal_phy_clock_gate(index, 1); usb_phy_enable(index, ehci); #endif @@ -344,7 +371,7 @@ int ehci_hcd_init(int index, enum usb_init_type init, enum usb_init_type type; #if defined(CONFIG_MX6) u32 controller_spacing = 0x200; -#elif defined(CONFIG_MX7) +#elif defined(CONFIG_MX7) || defined(CONFIG_MX7ULP) u32 controller_spacing = 0x10000; #endif struct usb_ehci *ehci = (struct usb_ehci *)(USB_BASE_ADDR + @@ -452,7 +479,7 @@ static int ehci_usb_phy_mode(struct udevice *dev) * About fsl,usbphy, Refer to * Documentation/devicetree/bindings/usb/ci-hdrc-usb2.txt. */ - if (is_mx6()) { + if (is_mx6() || is_mx7ulp()) { phy_off = fdtdec_lookup_phandle(blob, offset, "fsl,usbphy"); |