diff options
| -rw-r--r-- | drivers/usb/host/ehci-tegra.c | 36 | ||||
| -rw-r--r-- | drivers/usb/phy/phy-tegra-usb.c | 39 | ||||
| -rw-r--r-- | include/linux/usb/tegra_usb_phy.h | 4 |
3 files changed, 36 insertions, 43 deletions
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c index dde5189..8063429 100644 --- a/drivers/usb/host/ehci-tegra.c +++ b/drivers/usb/host/ehci-tegra.c @@ -34,11 +34,6 @@ #define TEGRA_USB2_BASE 0xC5004000 #define TEGRA_USB3_BASE 0xC5008000 -/* PORTSC registers */ -#define TEGRA_USB_PORTSC1 0x184 -#define TEGRA_USB_PORTSC1_PTS(x) (((x) & 0x3) << 30) -#define TEGRA_USB_PORTSC1_PHCD (1 << 23) - #define TEGRA_USB_DMA_ALIGN 32 struct tegra_ehci_hcd { @@ -380,37 +375,6 @@ static int setup_vbus_gpio(struct platform_device *pdev, return err; } -/* Bits of PORTSC1, which will get cleared by writing 1 into them */ -#define TEGRA_PORTSC1_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC) - -void tegra_ehci_set_pts(struct usb_phy *x, u8 pts_val) -{ - unsigned long val; - struct usb_hcd *hcd = bus_to_hcd(x->otg->host); - void __iomem *base = hcd->regs; - - val = readl(base + TEGRA_USB_PORTSC1) & ~TEGRA_PORTSC1_RWC_BITS; - val &= ~TEGRA_USB_PORTSC1_PTS(3); - val |= TEGRA_USB_PORTSC1_PTS(pts_val & 3); - writel(val, base + TEGRA_USB_PORTSC1); -} -EXPORT_SYMBOL_GPL(tegra_ehci_set_pts); - -void tegra_ehci_set_phcd(struct usb_phy *x, bool enable) -{ - unsigned long val; - struct usb_hcd *hcd = bus_to_hcd(x->otg->host); - void __iomem *base = hcd->regs; - - val = readl(base + TEGRA_USB_PORTSC1) & ~TEGRA_PORTSC1_RWC_BITS; - if (enable) - val |= TEGRA_USB_PORTSC1_PHCD; - else - val &= ~TEGRA_USB_PORTSC1_PHCD; - writel(val, base + TEGRA_USB_PORTSC1); -} -EXPORT_SYMBOL_GPL(tegra_ehci_set_phcd); - static int tegra_ehci_probe(struct platform_device *pdev) { struct resource *res; diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c index f0727f2..3446245 100644 --- a/drivers/usb/phy/phy-tegra-usb.c +++ b/drivers/usb/phy/phy-tegra-usb.c @@ -32,11 +32,20 @@ #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> #include <asm/mach-types.h> +#include <linux/usb/ehci_def.h> #include <linux/usb/tegra_usb_phy.h> #include <linux/module.h> #define ULPI_VIEWPORT 0x170 +/* PORTSC registers */ +#define TEGRA_USB_PORTSC1 0x184 +#define TEGRA_USB_PORTSC1_PTS(x) (((x) & 0x3) << 30) +#define TEGRA_USB_PORTSC1_PHCD (1 << 23) + +/* Bits of PORTSC1, which will get cleared by writing 1 into them */ +#define TEGRA_PORTSC1_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC) + #define USB_SUSP_CTRL 0x400 #define USB_WAKE_ON_CNNT_EN_DEV (1 << 3) #define USB_WAKE_ON_DISCON_EN_DEV (1 << 4) @@ -197,6 +206,30 @@ static struct tegra_utmip_config utmip_default[] = { }, }; +static void set_pts(struct tegra_usb_phy *phy, u8 pts_val) +{ + void __iomem *base = phy->regs; + unsigned long val; + + val = readl(base + TEGRA_USB_PORTSC1) & ~TEGRA_PORTSC1_RWC_BITS; + val &= ~TEGRA_USB_PORTSC1_PTS(3); + val |= TEGRA_USB_PORTSC1_PTS(pts_val & 3); + writel(val, base + TEGRA_USB_PORTSC1); +} + +static void set_phcd(struct tegra_usb_phy *phy, bool enable) +{ + void __iomem *base = phy->regs; + unsigned long val; + + val = readl(base + TEGRA_USB_PORTSC1) & ~TEGRA_PORTSC1_RWC_BITS; + if (enable) + val |= TEGRA_USB_PORTSC1_PHCD; + else + val &= ~TEGRA_USB_PORTSC1_PHCD; + writel(val, base + TEGRA_USB_PORTSC1); +} + static int utmip_pad_open(struct tegra_usb_phy *phy) { phy->pad_clk = devm_clk_get(phy->dev, "utmi-pads"); @@ -283,7 +316,7 @@ static void utmi_phy_clk_disable(struct tegra_usb_phy *phy) val &= ~USB_SUSP_SET; writel(val, base + USB_SUSP_CTRL); } else - tegra_ehci_set_phcd(&phy->u_phy, true); + set_phcd(phy, true); if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, 0) < 0) pr_err("%s: timeout waiting for phy to stabilize\n", __func__); @@ -305,7 +338,7 @@ static void utmi_phy_clk_enable(struct tegra_usb_phy *phy) val &= ~USB_SUSP_CLR; writel(val, base + USB_SUSP_CTRL); } else - tegra_ehci_set_phcd(&phy->u_phy, false); + set_phcd(phy, false); if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, USB_PHY_CLK_VALID)) @@ -428,7 +461,7 @@ static int utmi_phy_power_on(struct tegra_usb_phy *phy) utmi_phy_clk_enable(phy); if (!phy->is_legacy_phy) - tegra_ehci_set_pts(&phy->u_phy, 0); + set_pts(phy, 0); return 0; } diff --git a/include/linux/usb/tegra_usb_phy.h b/include/linux/usb/tegra_usb_phy.h index 0cd15d2..d2ca919 100644 --- a/include/linux/usb/tegra_usb_phy.h +++ b/include/linux/usb/tegra_usb_phy.h @@ -76,8 +76,4 @@ void tegra_ehci_phy_restore_start(struct usb_phy *phy, void tegra_ehci_phy_restore_end(struct usb_phy *phy); -void tegra_ehci_set_pts(struct usb_phy *x, u8 pts_val); - -void tegra_ehci_set_phcd(struct usb_phy *x, bool enable); - #endif /* __TEGRA_USB_PHY_H */ |