1 files changed, 150 insertions, 0 deletions
diff --git a/arch/arm/include/asm/ehci-omap.h b/arch/arm/include/asm/ehci-omap.h
new file mode 100644
index 0000000..77e8170
--- /dev/null
+++ b/arch/arm/include/asm/ehci-omap.h
@@ -0,0 +1,150 @@
+/*
+ * OMAP EHCI port support
+ * Based on LINUX KERNEL
+ * drivers/usb/host/ehci-omap.c and drivers/mfd/omap-usb-host.c
+ *
+ * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com*
+ * Author: Govindraj R <govindraj.raja@ti.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2  of
+ * the License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _OMAP_COMMON_EHCI_H_
+#define _OMAP_COMMON_EHCI_H_
+
+enum usbhs_omap_port_mode {
+	OMAP_USBHS_PORT_MODE_UNUSED,
+	OMAP_EHCI_PORT_MODE_PHY,
+	OMAP_EHCI_PORT_MODE_TLL,
+	OMAP_EHCI_PORT_MODE_HSIC,
+};
+
+#ifdef CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS
+#define OMAP_HS_USB_PORTS	CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS
+#else
+#define OMAP_HS_USB_PORTS	3
+#endif
+
+#define is_ehci_phy_mode(x)	((x) == OMAP_EHCI_PORT_MODE_PHY)
+#define is_ehci_tll_mode(x)	((x) == OMAP_EHCI_PORT_MODE_TLL)
+#define is_ehci_hsic_mode(x)	((x) == OMAP_EHCI_PORT_MODE_HSIC)
+
+/* Values of UHH_REVISION - Note: these are not given in the TRM */
+#define OMAP_USBHS_REV1					0x00000010 /* OMAP3 */
+#define OMAP_USBHS_REV2					0x50700100 /* OMAP4 */
+
+/* UHH Register Set */
+#define OMAP_UHH_HOSTCONFIG_INCR4_BURST_EN		(1 << 2)
+#define OMAP_UHH_HOSTCONFIG_INCR8_BURST_EN		(1 << 3)
+#define OMAP_UHH_HOSTCONFIG_INCR16_BURST_EN		(1 << 4)
+#define OMAP_UHH_HOSTCONFIG_INCRX_ALIGN_EN		(1 << 5)
+
+#define OMAP_UHH_HOSTCONFIG_ULPI_P1_BYPASS		1
+#define OMAP_UHH_HOSTCONFIG_ULPI_P2_BYPASS		(1 << 11)
+#define OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS		(1 << 12)
+#define OMAP4_UHH_HOSTCONFIG_APP_START_CLK		(1 << 31)
+
+#define OMAP_P1_MODE_CLEAR				(3 << 16)
+#define OMAP_P1_MODE_TLL				(1 << 16)
+#define OMAP_P1_MODE_HSIC				(3 << 16)
+#define OMAP_P2_MODE_CLEAR				(3 << 18)
+#define OMAP_P2_MODE_TLL				(1 << 18)
+#define OMAP_P2_MODE_HSIC				(3 << 18)
+#define OMAP_P3_MODE_HSIC				(3 << 20)
+
+/* EHCI Register Set */
+#define EHCI_INSNREG04_DISABLE_UNSUSPEND		(1 << 5)
+#define EHCI_INSNREG05_ULPI_CONTROL_SHIFT		31
+#define EHCI_INSNREG05_ULPI_PORTSEL_SHIFT		24
+#define EHCI_INSNREG05_ULPI_OPSEL_SHIFT			22
+#define EHCI_INSNREG05_ULPI_REGADD_SHIFT		16
+
+#define OMAP_REV1_TLL_CHANNEL_COUNT			3
+#define OMAP_REV2_TLL_CHANNEL_COUNT			2
+
+/* TLL Register Set */
+#define OMAP_TLL_CHANNEL_CONF(num)			(0x004 * num)
+#define OMAP_TLL_CHANNEL_CONF_DRVVBUS			(1 << 16)
+#define OMAP_TLL_CHANNEL_CONF_CHRGVBUS			(1 << 15)
+#define OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF		(1 << 11)
+#define OMAP_TLL_CHANNEL_CONF_CHANMODE_TRANSPARENT_UTMI	(2 << 1)
+#define OMAP_TLL_CHANNEL_CONF_CHANEN			1
+
+struct omap_usbhs_board_data {
+	enum usbhs_omap_port_mode port_mode[OMAP_HS_USB_PORTS];
+};
+
+struct omap_usbtll {
+	u32 rev;		/* 0x00 */
+	u32 hwinfo;		/* 0x04 */
+	u8 reserved1[0x8];
+	u32 sysc;		/* 0x10 */
+	u32 syss;		/* 0x14 */
+	u32 irqst;		/* 0x18 */
+	u32 irqen;		/* 0x1c */
+	u8 reserved2[0x10];
+	u32 shared_conf;	/* 0x30 */
+	u8 reserved3[0xc];
+	u32 channel_conf;	/* 0x40 */
+};
+
+struct omap_uhh {
+	u32 rev;	/* 0x00 */
+	u32 hwinfo;	/* 0x04 */
+	u8 reserved1[0x8];
+	u32 sysc;	/* 0x10 */
+	u32 syss;	/* 0x14 */
+	u8 reserved2[0x28];
+	u32 hostconfig;	/* 0x40 */
+	u32 debugcsr;	/* 0x44 */
+};
+
+struct omap_ehci {
+	u32 hccapbase;		/* 0x00 */
+	u32 hcsparams;		/* 0x04 */
+	u32 hccparams;		/* 0x08 */
+	u8 reserved1[0x04];
+	u32 usbcmd;		/* 0x10 */
+	u32 usbsts;		/* 0x14 */
+	u32 usbintr;		/* 0x18 */
+	u32 frindex;		/* 0x1c */
+	u32 ctrldssegment;	/* 0x20 */
+	u32 periodiclistbase;	/* 0x24 */
+	u32 asysnclistaddr;	/* 0x28 */
+	u8 reserved2[0x24];
+	u32 configflag;		/* 0x50 */
+	u32 portsc_i;		/* 0x54 */
+	u8 reserved3[0x38];
+	u32 insreg00;		/* 0x90 */
+	u32 insreg01;		/* 0x94 */
+	u32 insreg02;		/* 0x98 */
+	u32 insreg03;		/* 0x9c */
+	u32 insreg04;		/* 0xa0 */
+	u32 insreg05_utmi_ulpi;	/* 0xa4 */
+	u32 insreg06;		/* 0xa8 */
+	u32 insreg07;		/* 0xac */
+	u32 insreg08;		/* 0xb0 */
+};
+
+/*
+ * FIXME: forward declaration of this structs needed because omap got the
+ * ehci implementation backwards. move out ehci_hcd_x from board files
+ */
+struct ehci_hccr;
+struct ehci_hcor;
+
+int omap_ehci_hcd_init(struct omap_usbhs_board_data *usbhs_pdata,
+		struct ehci_hccr **hccr, struct ehci_hcor **hcor);
+int omap_ehci_hcd_stop(void);
+
+#endif /* _OMAP_COMMON_EHCI_H_ */