usb:xhci:dwc3: Add dwc3 drv code

91 lines not on this page · raw message

index 7edc760..ba7f314 100644
@@ -191,4 +191,10 @@ struct dwc3 {					/* offset: 0xC100 */
 #define DWC3_DCTL_CSFTRST			(1 << 30)
 #define DWC3_DCTL_LSFTRST			(1 << 29)
 
+#ifdef CONFIG_USB_XHCI_DWC3
+void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode);
+void dwc3_core_soft_reset(struct dwc3 *dwc3_reg);
+int dwc3_core_init(struct dwc3 *dwc3_reg);
+void usb_phy_reset(struct dwc3 *dwc3_reg);
+#endif
 #endif /* __DWC3_H_ */

index a27a796..251885b 100644
@@ -179,84 +179,6 @@ static void exynos5_usb3_phy_exit(struct exynos_usb3_phy *phy)
 	set_usbdrd_phy_ctrl(POWER_USB_DRD_PHY_CTRL_DISABLE);
 }
 
-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);
-
-	/* 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);
-
-	/* 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 -EINVAL;
-	}
-
-	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@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 exynos_xhci_core_init(struct exynos_xhci *exynos)
 {
 	int ret;

index 5476248..e04dec7 100644
@@ -182,6 +182,7 @@
 /* USB */
 #define CONFIG_CMD_USB
 #define CONFIG_USB_STORAGE
+#define CONFIG_USB_XHCI_DWC3
 #define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	3
 #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 

index 912b2bd..3a55208 100644
@@ -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@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;

index 63d9301..f9069c7 100644
@@ -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

index 331fdac..276aee4 100644
@@ -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

index 4aa8550..f350d79 100644
@@ -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

index d79612b..c690795 100644
@@ -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

index 05d338f..924fb76 100644
@@ -68,94 +68,6 @@ static void keystone_xhci_phy_unset(struct keystone_xhci_phy *phy)
 	writel(val, &phy->phy_clock);
 }
 
-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);
-
-	/* Assert USB3 PHY reset */
-	setbits_le32(&dwc3_reg->g_usb3pipectl[0], DWC3_GUSB3PIPECTL_PHYSOFTRST);
-
-	/* Assert USB2 PHY reset */
-	setbits_le32(&dwc3_reg->g_usb2phycfg[0], 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[0], DWC3_GUSB2PHYCFG_PHYSOFTRST);
-
-	/* 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 revision, val;
-	unsigned long t_rst;
-	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 -EINVAL;
-	}
-
-	/* issue device SoftReset too */
-	writel(DWC3_DCTL_CSFTRST, &dwc3_reg->d_ctl);
-
-	t_rst = get_timer(0);
-	do {
-		val = readl(&dwc3_reg->d_ctl);
-		if (!(val & DWC3_DCTL_CSFTRST))
-			break;
-		WATCHDOG_RESET();
-	} while (get_timer(t_rst) < 500);
-
-	if (val & DWC3_DCTL_CSFTRST) {
-		debug("Reset timed out\n");
-		return -2;
-	}
-
-	dwc3_core_soft_reset(dwc3_reg);
-
-	dwc3_hwparams1 = readl(&dwc3_reg->g_hwparams1);
-
-	val = readl(&dwc3_reg->g_ctl);
-	val &= ~DWC3_GCTL_SCALEDOWN_MASK;
-	val &= ~DWC3_GCTL_DISSCRAMBLE;
-	switch (DWC3_GHWPARAMS1_EN_PWROPT(dwc3_hwparams1)) {
-	case DWC3_GHWPARAMS1_EN_PWROPT_CLK:
-		val &= ~DWC3_GCTL_DSBLCLKGTNG;
-		break;
-	default:
-		printf("No power optimization available\n");
-	}
-
-	/*
-	 * WORKAROUND: DWC3 revisions <1.90a have a bug
-	 * where the device can fail to connect@SuperSpeed
-	 * and falls back to high-speed mode which causes
-	 * the device to enter a Connect/Disconnect loop
-	 */
-	if ((revision & DWC3_REVISION_MASK) < 0x190a)
-		val |= DWC3_GCTL_U2RSTECN;
-
-	writel(val, &dwc3_reg->g_ctl);
-
-	return 0;
-}
-
 static int keystone_xhci_core_init(struct dwc3 *dwc3_reg)
 {
 	int ret;

index 42280ca..58730b2 100644
@@ -197,6 +197,7 @@
 
 /* USB Configuration */
 #define CONFIG_USB_XHCI
+#define CONFIG_USB_XHCI_DWC3
 #define CONFIG_USB_XHCI_KEYSTONE
 #define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
 #define CONFIG_USB_STORAGE

109 lines not on this page · raw message

54 lines not on this page · raw message

index 4dc528b..c55cdef 100644
@@ -35,6 +35,7 @@
 #define CONFIG_SYS_NS16550_COM1			(CONFIG_SYS_IMMR + 0x011c0500)
 #define CONFIG_SYS_NS16550_COM2			(CONFIG_SYS_IMMR + 0x011d0500)
 #define CONFIG_SYS_DCU_ADDR			(CONFIG_SYS_IMMR + 0x01ce0000)
+#define CONFIG_SYS_LS102XA_XHCI_USB1_ADDR	(CONFIG_SYS_IMMR + 0x02100000)
 #define CONFIG_SYS_LS102XA_USB1_ADDR \
 	(CONFIG_SYS_IMMR + CONFIG_SYS_LS102XA_USB1_OFFSET)
 

index ee547fb..8e5fcdc 100644
@@ -395,4 +395,14 @@ struct ccsr_cci400 {
 	} pcounter[4];			/* Performance Counter */
 	u8 res_e004[0x10000 - 0xe004];
 };
+
+/* USB-XHCI */
+#define FSL_XHCI_BASE	0x3100000
+#define FSL_OCP1_SCP_BASE	0x4a084c00
+#define FSL_OTG_WRAPPER_BASE	0x4A020000
+
+#define CONFIG_SYS_FSL_XHCI_USB1_ADDR	CONFIG_SYS_LS102XA_XHCI_USB1_ADDR
+#define CONFIG_SYS_FSL_XHCI_USB2_ADDR	0
+#define FSL_USB_XHCI_ADDR	{CONFIG_SYS_FSL_XHCI_USB1_ADDR, \
+					CONFIG_SYS_FSL_XHCI_USB2_ADDR}
 #endif	/* __ASM_ARCH_LS102XA_IMMAP_H_ */

index 8ea428e..f2dca5e 100644
@@ -28,6 +28,44 @@
 #define CONFIG_SYS_INIT_RAM_SIZE	OCRAM_SIZE
 
 /*
+ * USB
+ */
+
+/*
+ * EHCI Support - disbaled by default as
+ * there is no signal coming out of soc on
+ * this board for this controller. However,
+ * the silicon still has this controller,
+ * and anyone can use this controller by
+ * taking signals out on their board.
+ */
+
+/*#define CONFIG_HAS_FSL_DR_USB*/
+
+#ifdef CONFIG_HAS_FSL_DR_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_FSL
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#endif
+
+/* XHCI Support - enabled by default */
+#define CONFIG_HAS_FSL_XHCI_USB
+
+#ifdef CONFIG_HAS_FSL_XHCI_USB
+#define CONFIG_USB_XHCI_FSL
+#define CONFIG_USB_XHCI_DWC3
+#define CONFIG_USB_XHCI
+#define CONFIG_USB_MAX_CONTROLLER_COUNT        1
+#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS     2
+#endif
+
+#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_XHCI_USB)
+#define CONFIG_CMD_USB
+#define CONFIG_USB_STORAGE
+#define CONFIG_CMD_EXT2
+#endif
+
+/*
  * Generic Timer Definitions
  */
 #define GENERIC_TIMER_CLK		12500000

index 1a41a2f..095c32b 100644
@@ -424,19 +424,31 @@ unsigned long get_board_ddr_clk(void);
 /*
  * USB
  */
-#define CONFIG_HAS_FSL_DR_USB
+/* EHCI Support - disbaled by default */
+/*#define CONFIG_HAS_FSL_DR_USB*/
 
 #ifdef CONFIG_HAS_FSL_DR_USB
 #define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_FSL
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#endif
 
-#ifdef CONFIG_USB_EHCI
+/*XHCI Support - enabled by default*/
+#define CONFIG_HAS_FSL_XHCI_USB
+
+#ifdef CONFIG_HAS_FSL_XHCI_USB
+#define CONFIG_USB_XHCI_FSL
+#define CONFIG_USB_XHCI_DWC3
+#define CONFIG_USB_XHCI
+#define CONFIG_USB_MAX_CONTROLLER_COUNT		1
+#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2
+#endif
+
+#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_XHCI_USB)
 #define CONFIG_CMD_USB
 #define CONFIG_USB_STORAGE
-#define CONFIG_USB_EHCI_FSL
-#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
 #define CONFIG_CMD_EXT2
 #endif
-#endif
 
 /*
  * Video