diff options
Diffstat (limited to 'qemu/roms/u-boot/drivers/usb/musb/davinci.h')
-rw-r--r-- | qemu/roms/u-boot/drivers/usb/musb/davinci.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/usb/musb/davinci.h b/qemu/roms/u-boot/drivers/usb/musb/davinci.h new file mode 100644 index 000000000..9efefe81d --- /dev/null +++ b/qemu/roms/u-boot/drivers/usb/musb/davinci.h @@ -0,0 +1,74 @@ +/* + * TI's Davinci platform specific USB wrapper functions. + * + * Copyright (c) 2008 Texas Instruments + * + * SPDX-License-Identifier: GPL-2.0+ + * + * Author: Thomas Abraham t-abraham@ti.com, Texas Instruments + */ + +#ifndef __DAVINCI_USB_H__ +#define __DAVINCI_USB_H__ + +#include <asm/arch/hardware.h> +#include "musb_core.h" + +/* Base address of DAVINCI usb0 wrapper */ +#define DAVINCI_USB0_BASE 0x01C64000 + +/* Base address of DAVINCI musb core */ +#define MENTOR_USB0_BASE (DAVINCI_USB0_BASE+0x400) + +/* + * Davinci platform USB wrapper register overlay. Note: Only the required + * registers are included in this structure. It can be expanded as required. + */ +struct davinci_usb_regs { + u32 version; + u32 ctrlr; + u32 reserved[0x20]; + u32 intclrr; + u32 intmskr; + u32 intmsksetr; +}; + +#define DAVINCI_USB_TX_ENDPTS_MASK 0x1f /* ep0 + 4 tx */ +#define DAVINCI_USB_RX_ENDPTS_MASK 0x1e /* 4 rx */ +#define DAVINCI_USB_USBINT_SHIFT 16 +#define DAVINCI_USB_TXINT_SHIFT 0 +#define DAVINCI_USB_RXINT_SHIFT 8 +#define DAVINCI_INTR_DRVVBUS 0x0100 + +#define DAVINCI_USB_USBINT_MASK 0x01ff0000 /* 8 Mentor, DRVVBUS */ +#define DAVINCI_USB_TXINT_MASK \ + (DAVINCI_USB_TX_ENDPTS_MASK << DAVINCI_USB_TXINT_SHIFT) +#define DAVINCI_USB_RXINT_MASK \ + (DAVINCI_USB_RX_ENDPTS_MASK << DAVINCI_USB_RXINT_SHIFT) +#define MGC_BUSCTL_OFFSET(_bEnd, _bOffset) \ + (0x80 + (8*(_bEnd)) + (_bOffset)) + +/* Integrated highspeed/otg PHY */ +#define USBPHY_CTL_PADDR (DAVINCI_SYSTEM_MODULE_BASE + 0x34) +#define USBPHY_PHY24MHZ (1 << 13) +#define USBPHY_PHYCLKGD (1 << 8) +#define USBPHY_SESNDEN (1 << 7) /* v(sess_end) comparator */ +#define USBPHY_VBDTCTEN (1 << 6) /* v(bus) comparator */ +#define USBPHY_PHYPLLON (1 << 4) /* override pll suspend */ +#define USBPHY_CLKO1SEL (1 << 3) +#define USBPHY_OSCPDWN (1 << 2) +#define USBPHY_PHYPDWN (1 << 0) + +/* Timeout for Davinci USB module */ +#define DAVINCI_USB_TIMEOUT 0x3FFFFFF + +/* IO Expander I2C address and VBUS enable mask */ +#define IOEXP_I2C_ADDR 0x3A +#define IOEXP_VBUSEN_MASK 1 + +/* extern functions */ +extern void lpsc_on(unsigned int id); +extern int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len); +extern int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len); +extern void enable_vbus(void); +#endif /* __DAVINCI_USB_H__ */ |