1 /* 2 * TI's Davinci platform specific USB wrapper functions. 3 * 4 * Copyright (c) 2008 Texas Instruments 5 * 6 * SPDX-License-Identifier: GPL-2.0+ 7 * 8 * Author: Thomas Abraham t-abraham@ti.com, Texas Instruments 9 */ 10 11 #ifndef __DAVINCI_USB_H__ 12 #define __DAVINCI_USB_H__ 13 14 #include <asm/arch/hardware.h> 15 #include "musb_core.h" 16 17 /* Base address of DAVINCI usb0 wrapper */ 18 #define DAVINCI_USB0_BASE 0x01C64000 19 20 /* Base address of DAVINCI musb core */ 21 #define MENTOR_USB0_BASE (DAVINCI_USB0_BASE+0x400) 22 23 /* 24 * Davinci platform USB wrapper register overlay. Note: Only the required 25 * registers are included in this structure. It can be expanded as required. 26 */ 27 struct davinci_usb_regs { 28 u32 version; 29 u32 ctrlr; 30 u32 reserved[0x20]; 31 u32 intclrr; 32 u32 intmskr; 33 u32 intmsksetr; 34 }; 35 36 #define DAVINCI_USB_TX_ENDPTS_MASK 0x1f /* ep0 + 4 tx */ 37 #define DAVINCI_USB_RX_ENDPTS_MASK 0x1e /* 4 rx */ 38 #define DAVINCI_USB_USBINT_SHIFT 16 39 #define DAVINCI_USB_TXINT_SHIFT 0 40 #define DAVINCI_USB_RXINT_SHIFT 8 41 #define DAVINCI_INTR_DRVVBUS 0x0100 42 43 #define DAVINCI_USB_USBINT_MASK 0x01ff0000 /* 8 Mentor, DRVVBUS */ 44 #define DAVINCI_USB_TXINT_MASK \ 45 (DAVINCI_USB_TX_ENDPTS_MASK << DAVINCI_USB_TXINT_SHIFT) 46 #define DAVINCI_USB_RXINT_MASK \ 47 (DAVINCI_USB_RX_ENDPTS_MASK << DAVINCI_USB_RXINT_SHIFT) 48 #define MGC_BUSCTL_OFFSET(_bEnd, _bOffset) \ 49 (0x80 + (8*(_bEnd)) + (_bOffset)) 50 51 /* Integrated highspeed/otg PHY */ 52 #define USBPHY_CTL_PADDR (DAVINCI_SYSTEM_MODULE_BASE + 0x34) 53 #define USBPHY_PHY24MHZ (1 << 13) 54 #define USBPHY_PHYCLKGD (1 << 8) 55 #define USBPHY_SESNDEN (1 << 7) /* v(sess_end) comparator */ 56 #define USBPHY_VBDTCTEN (1 << 6) /* v(bus) comparator */ 57 #define USBPHY_PHYPLLON (1 << 4) /* override pll suspend */ 58 #define USBPHY_CLKO1SEL (1 << 3) 59 #define USBPHY_OSCPDWN (1 << 2) 60 #define USBPHY_PHYPDWN (1 << 0) 61 62 /* Timeout for Davinci USB module */ 63 #define DAVINCI_USB_TIMEOUT 0x3FFFFFF 64 65 /* IO Expander I2C address and VBUS enable mask */ 66 #define IOEXP_I2C_ADDR 0x3A 67 #define IOEXP_VBUSEN_MASK 1 68 69 /* extern functions */ 70 extern void lpsc_on(unsigned int id); 71 extern int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len); 72 extern int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len); 73 extern void enable_vbus(void); 74 #endif /* __DAVINCI_USB_H__ */ 75