diff options
Diffstat (limited to 'drivers/usb/host/ehci-exynos.c')
-rw-r--r-- | drivers/usb/host/ehci-exynos.c | 55 |
1 files changed, 47 insertions, 8 deletions
diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index edd91a8..6fdbf57 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -85,15 +85,10 @@ static int exynos_usb_parse_dt(const void *blob, struct exynos_ehci *exynos) } #endif -/* Setup the EHCI host controller. */ -static void setup_usb_phy(struct exynos_usb_phy *usb) +static void exynos5_setup_usb_phy(struct exynos_usb_phy *usb) { u32 hsic_ctrl; - set_usbhost_mode(USB20_PHY_CFG_HOST_LINK_EN); - - set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_EN); - clrbits_le32(&usb->usbphyctrl0, HOST_CTRL0_FSEL_MASK | HOST_CTRL0_COMMONON_N | @@ -150,8 +145,34 @@ static void setup_usb_phy(struct exynos_usb_phy *usb) EHCICTRL_ENAINCR16); } -/* Reset the EHCI host controller. */ -static void reset_usb_phy(struct exynos_usb_phy *usb) +static void exynos4412_setup_usb_phy(struct exynos4412_usb_phy *usb) +{ + writel(CLK_24MHZ, &usb->usbphyclk); + + clrbits_le32(&usb->usbphyctrl, (PHYPWR_NORMAL_MASK_HSIC0 | + PHYPWR_NORMAL_MASK_HSIC1 | PHYPWR_NORMAL_MASK_PHY1 | + PHYPWR_NORMAL_MASK_PHY0)); + + setbits_le32(&usb->usbphyrstcon, (RSTCON_HOSTPHY_SWRST | RSTCON_SWRST)); + udelay(10); + clrbits_le32(&usb->usbphyrstcon, (RSTCON_HOSTPHY_SWRST | RSTCON_SWRST)); +} + +static void setup_usb_phy(struct exynos_usb_phy *usb) +{ + set_usbhost_mode(USB20_PHY_CFG_HOST_LINK_EN); + + set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_EN); + + if (cpu_is_exynos5()) + exynos5_setup_usb_phy(usb); + else if (cpu_is_exynos4()) + if (proid_is_exynos4412()) + exynos4412_setup_usb_phy((struct exynos4412_usb_phy *) + usb); +} + +static void exynos5_reset_usb_phy(struct exynos_usb_phy *usb) { u32 hsic_ctrl; @@ -171,6 +192,24 @@ static void reset_usb_phy(struct exynos_usb_phy *usb) setbits_le32(&usb->hsicphyctrl1, hsic_ctrl); setbits_le32(&usb->hsicphyctrl2, hsic_ctrl); +} + +static void exynos4412_reset_usb_phy(struct exynos4412_usb_phy *usb) +{ + setbits_le32(&usb->usbphyctrl, (PHYPWR_NORMAL_MASK_HSIC0 | + PHYPWR_NORMAL_MASK_HSIC1 | PHYPWR_NORMAL_MASK_PHY1 | + PHYPWR_NORMAL_MASK_PHY0)); +} + +/* Reset the EHCI host controller. */ +static void reset_usb_phy(struct exynos_usb_phy *usb) +{ + if (cpu_is_exynos5()) + exynos5_reset_usb_phy(usb); + else if (cpu_is_exynos4()) + if (proid_is_exynos4412()) + exynos4412_reset_usb_phy((struct exynos4412_usb_phy *) + usb); set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_DISABLE); } |