[U-Boot] [PATCH 3/8] usb:xhci:omap: Remove common dwc3 drv functions calls

[Ramneek Mehresh]

Remove all redundant dwc3 driver function calls that
are defined by dwc3 driver

Signed-off-by: Ramneek Mehresh <ramneek.mehresh at freescale.com>
---
 drivers/usb/host/xhci-omap.c   | 60 ------------------------------------------
 drivers/usb/phy/omap_usb_phy.c | 18 -------------
 include/configs/am43xx_evm.h   |  1 +
 include/configs/beagle_x15.h   |  1 +
 include/configs/dra7xx_evm.h   |  1 +
 5 files changed, 3 insertions(+), 78 deletions(-)

diff --git a/drivers/usb/host/xhci-omap.c b/drivers/usb/host/xhci-omap.c
index 912b2bd..3a55208 100644
--- a/drivers/usb/host/xhci-omap.c
+++ b/drivers/usb/host/xhci-omap.c
@@ -34,66 +34,6 @@ inline int __board_usb_init(int index, enum usb_init_type init)
 int board_usb_init(int index, enum usb_init_type init)
 	__attribute__((weak, alias("__board_usb_init")));
 
-static void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode)
-{
-	clrsetbits_le32(&dwc3_reg->g_ctl,
-			DWC3_GCTL_PRTCAPDIR(DWC3_GCTL_PRTCAP_OTG),
-			DWC3_GCTL_PRTCAPDIR(mode));
-}
-
-static void dwc3_core_soft_reset(struct dwc3 *dwc3_reg)
-{
-	/* Before Resetting PHY, put Core in Reset */
-	setbits_le32(&dwc3_reg->g_ctl, DWC3_GCTL_CORESOFTRESET);
-
-	omap_reset_usb_phy(dwc3_reg);
-
-	/* After PHYs are stable we can take Core out of reset state */
-	clrbits_le32(&dwc3_reg->g_ctl, DWC3_GCTL_CORESOFTRESET);
-}
-
-static int dwc3_core_init(struct dwc3 *dwc3_reg)
-{
-	u32 reg;
-	u32 revision;
-	unsigned int dwc3_hwparams1;
-
-	revision = readl(&dwc3_reg->g_snpsid);
-	/* This should read as U3 followed by revision number */
-	if ((revision & DWC3_GSNPSID_MASK) != 0x55330000) {
-		puts("this is not a DesignWare USB3 DRD Core\n");
-		return -1;
-	}
-
-	dwc3_core_soft_reset(dwc3_reg);
-
-	dwc3_hwparams1 = readl(&dwc3_reg->g_hwparams1);
-
-	reg = readl(&dwc3_reg->g_ctl);
-	reg &= ~DWC3_GCTL_SCALEDOWN_MASK;
-	reg &= ~DWC3_GCTL_DISSCRAMBLE;
-	switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc3_hwparams1)) {
-	case DWC3_GHWPARAMS1_EN_PWROPT_CLK:
-		reg &= ~DWC3_GCTL_DSBLCLKGTNG;
-		break;
-	default:
-		debug("No power optimization available\n");
-	}
-
-	/*
-	 * WORKAROUND: DWC3 revisions <1.90a have a bug
-	 * where the device can fail to connect at SuperSpeed
-	 * and falls back to high-speed mode which causes
-	 * the device to enter a Connect/Disconnect loop
-	 */
-	if ((revision & DWC3_REVISION_MASK) < 0x190a)
-		reg |= DWC3_GCTL_U2RSTECN;
-
-	writel(reg, &dwc3_reg->g_ctl);
-
-	return 0;
-}
-
 static int omap_xhci_core_init(struct omap_xhci *omap)
 {
 	int ret = 0;
diff --git a/drivers/usb/phy/omap_usb_phy.c b/drivers/usb/phy/omap_usb_phy.c
index 63d9301..f9069c7 100644
--- a/drivers/usb/phy/omap_usb_phy.c
+++ b/drivers/usb/phy/omap_usb_phy.c
@@ -223,24 +223,6 @@ void usb_phy_power(int on)
 }
 #endif /* CONFIG_AM437X_USB2PHY2_HOST */
 
-void omap_reset_usb_phy(struct dwc3 *dwc3_reg)
-{
-	/* Assert USB3 PHY reset */
-	setbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST);
-
-	/* Assert USB2 PHY reset */
-	setbits_le32(&dwc3_reg->g_usb2phycfg, DWC3_GUSB2PHYCFG_PHYSOFTRST);
-
-	mdelay(100);
-
-	/* Clear USB3 PHY reset */
-	clrbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST);
-
-	/* Clear USB2 PHY reset */
-	clrbits_le32(&dwc3_reg->g_usb2phycfg, DWC3_GUSB2PHYCFG_PHYSOFTRST);
-
-}
-
 void omap_enable_phy(struct omap_xhci *omap)
 {
 #ifdef CONFIG_OMAP_USB2PHY2_HOST
diff --git a/include/configs/am43xx_evm.h b/include/configs/am43xx_evm.h
index 331fdac..276aee4 100644
--- a/include/configs/am43xx_evm.h
+++ b/include/configs/am43xx_evm.h
@@ -102,6 +102,7 @@
 #define CONFIG_CMD_USB
 #define CONFIG_USB_HOST
 #define CONFIG_USB_XHCI
+#define CONFIG_USB_XHCI_DWC3
 #define CONFIG_USB_XHCI_OMAP
 #define CONFIG_USB_STORAGE
 #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
diff --git a/include/configs/beagle_x15.h b/include/configs/beagle_x15.h
index 4aa8550..f350d79 100644
--- a/include/configs/beagle_x15.h
+++ b/include/configs/beagle_x15.h
@@ -66,6 +66,7 @@
 /* USB xHCI HOST */
 #define CONFIG_CMD_USB
 #define CONFIG_USB_HOST
+#define CONFIG_USB_XHCI_DWC3
 #define CONFIG_USB_XHCI
 #define CONFIG_USB_XHCI_OMAP
 #define CONFIG_USB_STORAGE
diff --git a/include/configs/dra7xx_evm.h b/include/configs/dra7xx_evm.h
index d79612b..c690795 100644
--- a/include/configs/dra7xx_evm.h
+++ b/include/configs/dra7xx_evm.h
@@ -173,6 +173,7 @@
 #define CONFIG_CMD_USB
 #define CONFIG_USB_HOST
 #define CONFIG_USB_XHCI
+#define CONFIG_USB_XHCI_DWC3
 #define CONFIG_USB_XHCI_OMAP
 #define CONFIG_USB_STORAGE
 #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS 2
-- 
1.8.3.1