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