ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/drivers/usb/host/ehci.h b/marvell/uboot/drivers/usb/host/ehci.h
new file mode 100644
index 0000000..093eb4b
--- /dev/null
+++ b/marvell/uboot/drivers/usb/host/ehci.h
@@ -0,0 +1,257 @@
+/*-
+ * Copyright (c) 2007-2008, Juniper Networks, Inc.
+ * Copyright (c) 2008, Michael Trimarchi <trimarchimichael@yahoo.it>
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2 of
+ * the License.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef USB_EHCI_H
+#define USB_EHCI_H
+
+#include <usb.h>
+
+#if !defined(CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS)
+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS	2
+#endif
+
+/*
+ * Register Space.
+ */
+struct ehci_hccr {
+	uint32_t cr_capbase;
+#define HC_LENGTH(p)		(((p) >> 0) & 0x00ff)
+#define HC_VERSION(p)		(((p) >> 16) & 0xffff)
+	uint32_t cr_hcsparams;
+#define HCS_PPC(p)		((p) & (1 << 4))
+#define HCS_INDICATOR(p)	((p) & (1 << 16)) /* Port indicators */
+#define HCS_N_PORTS(p)		(((p) >> 0) & 0xf)
+	uint32_t cr_hccparams;
+	uint8_t cr_hcsp_portrt[8];
+} __attribute__ ((packed, aligned(4)));
+
+struct ehci_hcor {
+	uint32_t or_usbcmd;
+#define CMD_PARK	(1 << 11)		/* enable "park" */
+#define CMD_PARK_CNT(c)	(((c) >> 8) & 3)	/* how many transfers to park */
+#define CMD_ASE		(1 << 5)		/* async schedule enable */
+#define CMD_LRESET	(1 << 7)		/* partial reset */
+#define CMD_IAAD	(1 << 5)		/* "doorbell" interrupt */
+#define CMD_PSE		(1 << 4)		/* periodic schedule enable */
+#define CMD_RESET	(1 << 1)		/* reset HC not bus */
+#define CMD_RUN		(1 << 0)		/* start/stop HC */
+	uint32_t or_usbsts;
+#define STS_ASS		(1 << 15)
+#define	STS_PSS		(1 << 14)
+#define STS_HALT	(1 << 12)
+	uint32_t or_usbintr;
+#define INTR_UE         (1 << 0)                /* USB interrupt enable */
+#define INTR_UEE        (1 << 1)                /* USB error interrupt enable */
+#define INTR_PCE        (1 << 2)                /* Port change detect enable */
+#define INTR_SEE        (1 << 4)                /* system error enable */
+#define INTR_AAE        (1 << 5)                /* Interrupt on async adavance enable */
+	uint32_t or_frindex;
+	uint32_t or_ctrldssegment;
+	uint32_t or_periodiclistbase;
+	uint32_t or_asynclistaddr;
+	uint32_t _reserved_0_;
+	uint32_t or_burstsize;
+	uint32_t or_txfilltuning;
+#define TXFIFO_THRESH_MASK		(0x3f << 16)
+#define TXFIFO_THRESH(p)		((p & 0x3f) << 16)
+	uint32_t _reserved_1_[6];
+	uint32_t or_configflag;
+#define FLAG_CF		(1 << 0)	/* true:  we'll support "high speed" */
+	uint32_t or_portsc[CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS];
+#define PORTSC_PSPD(x)		(((x) >> 26) & 0x3)
+#define PORTSC_PSPD_FS			0x0
+#define PORTSC_PSPD_LS			0x1
+#define PORTSC_PSPD_HS			0x2
+	uint32_t or_systune;
+} __attribute__ ((packed, aligned(4)));
+
+#define USBMODE		0x68		/* USB Device mode */
+#define USBMODE_SDIS	(1 << 3)	/* Stream disable */
+#define USBMODE_BE	(1 << 2)	/* BE/LE endiannes select */
+#define USBMODE_CM_HC	(3 << 0)	/* host controller mode */
+#define USBMODE_CM_IDLE	(0 << 0)	/* idle state */
+
+/* Interface descriptor */
+struct usb_linux_interface_descriptor {
+	unsigned char	bLength;
+	unsigned char	bDescriptorType;
+	unsigned char	bInterfaceNumber;
+	unsigned char	bAlternateSetting;
+	unsigned char	bNumEndpoints;
+	unsigned char	bInterfaceClass;
+	unsigned char	bInterfaceSubClass;
+	unsigned char	bInterfaceProtocol;
+	unsigned char	iInterface;
+} __attribute__ ((packed));
+
+/* Configuration descriptor information.. */
+struct usb_linux_config_descriptor {
+	unsigned char	bLength;
+	unsigned char	bDescriptorType;
+	unsigned short	wTotalLength;
+	unsigned char	bNumInterfaces;
+	unsigned char	bConfigurationValue;
+	unsigned char	iConfiguration;
+	unsigned char	bmAttributes;
+	unsigned char	MaxPower;
+} __attribute__ ((packed));
+
+#if defined CONFIG_EHCI_DESC_BIG_ENDIAN
+#define	ehci_readl(x)		(*((volatile u32 *)(x)))
+#define ehci_writel(a, b)	(*((volatile u32 *)(a)) = ((volatile u32)b))
+#else
+#define ehci_readl(x)		cpu_to_le32((*((volatile u32 *)(x))))
+#define ehci_writel(a, b)	(*((volatile u32 *)(a)) = \
+					cpu_to_le32(((volatile u32)b)))
+#endif
+
+#if defined CONFIG_EHCI_MMIO_BIG_ENDIAN
+#define hc32_to_cpu(x)		be32_to_cpu((x))
+#define cpu_to_hc32(x)		cpu_to_be32((x))
+#else
+#define hc32_to_cpu(x)		le32_to_cpu((x))
+#define cpu_to_hc32(x)		cpu_to_le32((x))
+#endif
+
+#define EHCI_PS_WKOC_E		(1 << 22)	/* RW wake on over current */
+#define EHCI_PS_WKDSCNNT_E	(1 << 21)	/* RW wake on disconnect */
+#define EHCI_PS_WKCNNT_E	(1 << 20)	/* RW wake on connect */
+#define EHCI_PS_PO		(1 << 13)	/* RW port owner */
+#define EHCI_PS_PP		(1 << 12)	/* RW,RO port power */
+#define EHCI_PS_LS		(3 << 10)	/* RO line status */
+#define EHCI_PS_PR		(1 << 8)	/* RW port reset */
+#define EHCI_PS_SUSP		(1 << 7)	/* RW suspend */
+#define EHCI_PS_FPR		(1 << 6)	/* RW force port resume */
+#define EHCI_PS_OCC		(1 << 5)	/* RWC over current change */
+#define EHCI_PS_OCA		(1 << 4)	/* RO over current active */
+#define EHCI_PS_PEC		(1 << 3)	/* RWC port enable change */
+#define EHCI_PS_PE		(1 << 2)	/* RW port enable */
+#define EHCI_PS_CSC		(1 << 1)	/* RWC connect status change */
+#define EHCI_PS_CS		(1 << 0)	/* RO connect status */
+#define EHCI_PS_CLEAR		(EHCI_PS_OCC | EHCI_PS_PEC | EHCI_PS_CSC)
+
+#define EHCI_PS_IS_LOWSPEED(x)	(((x) & EHCI_PS_LS) == (1 << 10))
+
+/*
+ * Schedule Interface Space.
+ *
+ * IMPORTANT: Software must ensure that no interface data structure
+ * reachable by the EHCI host controller spans a 4K page boundary!
+ *
+ * Periodic transfers (i.e. isochronous and interrupt transfers) are
+ * not supported.
+ */
+
+/* Queue Element Transfer Descriptor (qTD). */
+struct qTD {
+	/* this part defined by EHCI spec */
+	uint32_t qt_next;			/* see EHCI 3.5.1 */
+#define	QT_NEXT_TERMINATE	1
+	uint32_t qt_altnext;			/* see EHCI 3.5.2 */
+	uint32_t qt_token;			/* see EHCI 3.5.3 */
+#define QT_TOKEN_DT(x)		(((x) & 0x1) << 31)	/* Data Toggle */
+#define QT_TOKEN_GET_DT(x)		(((x) >> 31) & 0x1)
+#define QT_TOKEN_TOTALBYTES(x)	(((x) & 0x7fff) << 16)	/* Total Bytes to Transfer */
+#define QT_TOKEN_GET_TOTALBYTES(x)	(((x) >> 16) & 0x7fff)
+#define QT_TOKEN_IOC(x)		(((x) & 0x1) << 15)	/* Interrupt On Complete */
+#define QT_TOKEN_CPAGE(x)	(((x) & 0x7) << 12)	/* Current Page */
+#define QT_TOKEN_CERR(x)	(((x) & 0x3) << 10)	/* Error Counter */
+#define QT_TOKEN_PID(x)		(((x) & 0x3) << 8)	/* PID Code */
+#define QT_TOKEN_PID_OUT		0x0
+#define QT_TOKEN_PID_IN			0x1
+#define QT_TOKEN_PID_SETUP		0x2
+#define QT_TOKEN_STATUS(x)	(((x) & 0xff) << 0)	/* Status */
+#define QT_TOKEN_GET_STATUS(x)		(((x) >> 0) & 0xff)
+#define QT_TOKEN_STATUS_ACTIVE		0x80
+#define QT_TOKEN_STATUS_HALTED		0x40
+#define QT_TOKEN_STATUS_DATBUFERR	0x20
+#define QT_TOKEN_STATUS_BABBLEDET	0x10
+#define QT_TOKEN_STATUS_XACTERR		0x08
+#define QT_TOKEN_STATUS_MISSEDUFRAME	0x04
+#define QT_TOKEN_STATUS_SPLITXSTATE	0x02
+#define QT_TOKEN_STATUS_PERR		0x01
+#define QT_BUFFER_CNT		5
+	uint32_t qt_buffer[QT_BUFFER_CNT];	/* see EHCI 3.5.4 */
+	uint32_t qt_buffer_hi[QT_BUFFER_CNT];	/* Appendix B */
+	/* pad struct for 32 byte alignment */
+	uint32_t unused[3];
+};
+
+#define EHCI_PAGE_SIZE		4096
+
+/* Queue Head (QH). */
+struct QH {
+	uint32_t qh_link;
+#define	QH_LINK_TERMINATE	1
+#define	QH_LINK_TYPE_ITD	0
+#define	QH_LINK_TYPE_QH		2
+#define	QH_LINK_TYPE_SITD	4
+#define	QH_LINK_TYPE_FSTN	6
+	uint32_t qh_endpt1;
+#define QH_ENDPT1_RL(x)		(((x) & 0xf) << 28)	/* NAK Count Reload */
+#define QH_ENDPT1_C(x)		(((x) & 0x1) << 27)	/* Control Endpoint Flag */
+#define QH_ENDPT1_MAXPKTLEN(x)	(((x) & 0x7ff) << 16)	/* Maximum Packet Length */
+#define QH_ENDPT1_H(x)		(((x) & 0x1) << 15)	/* Head of Reclamation List Flag */
+#define QH_ENDPT1_DTC(x)	(((x) & 0x1) << 14)	/* Data Toggle Control */
+#define QH_ENDPT1_DTC_IGNORE_QTD_TD	0x0
+#define QH_ENDPT1_DTC_DT_FROM_QTD	0x1
+#define QH_ENDPT1_EPS(x)	(((x) & 0x3) << 12)	/* Endpoint Speed */
+#define QH_ENDPT1_EPS_FS		0x0
+#define QH_ENDPT1_EPS_LS		0x1
+#define QH_ENDPT1_EPS_HS		0x2
+#define QH_ENDPT1_ENDPT(x)	(((x) & 0xf) << 8)	/* Endpoint Number */
+#define QH_ENDPT1_I(x)		(((x) & 0x1) << 7)	/* Inactivate on Next Transaction */
+#define QH_ENDPT1_DEVADDR(x)	(((x) & 0x7f) << 0)	/* Device Address */
+	uint32_t qh_endpt2;
+#define QH_ENDPT2_MULT(x)	(((x) & 0x3) << 30)	/* High-Bandwidth Pipe Multiplier */
+#define QH_ENDPT2_PORTNUM(x)	(((x) & 0x7f) << 23)	/* Port Number */
+#define QH_ENDPT2_HUBADDR(x)	(((x) & 0x7f) << 16)	/* Hub Address */
+#define QH_ENDPT2_UFCMASK(x)	(((x) & 0xff) << 8)	/* Split Completion Mask */
+#define QH_ENDPT2_UFSMASK(x)	(((x) & 0xff) << 0)	/* Interrupt Schedule Mask */
+	uint32_t qh_curtd;
+	struct qTD qh_overlay;
+	/*
+	 * Add dummy fill value to make the size of this struct
+	 * aligned to 32 bytes
+	 */
+	union {
+		uint32_t fill[4];
+		void *buffer;
+	};
+};
+
+struct ehci_ctrl {
+	struct ehci_hccr *hccr;	/* R/O registers, not need for volatile */
+	struct ehci_hcor *hcor;
+	int rootdev;
+	uint16_t portreset;
+	struct QH qh_list __aligned(USB_DMA_MINALIGN);
+	struct QH periodic_queue __aligned(USB_DMA_MINALIGN);
+	uint32_t *periodic_list;
+	int ntds;
+};
+
+/* Low level init functions */
+int ehci_hcd_init(int index, enum usb_init_type init,
+		struct ehci_hccr **hccr, struct ehci_hcor **hcor);
+int ehci_hcd_stop(int index);
+
+#endif /* USB_EHCI_H */