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/*
* USB bootloader
*
* Copyright (C) 2011 Rick Bronson
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* 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_H_
#define _USB_H_
#define OMAP34XX_USB_BASE (OMAP34XX_CORE_L4_IO_BASE + 0xAB000)
#define OMAP34XX_USB_EP(n) (OMAP34XX_USB_BASE + 0x100 + 0x10*(n))
#define MUSB_RXCSR 0x06
#define MUSB_RXCOUNT 0x08
#define MUSB_TXCSR 0x02
#define MUSB_FIFOSIZE 0x0F
#define OMAP34XX_USB_RXCSR(n) (OMAP34XX_USB_EP(n) + MUSB_RXCSR)
#define OMAP34XX_USB_RXCOUNT(n) (OMAP34XX_USB_EP(n) + MUSB_RXCOUNT)
#define OMAP34XX_USB_TXCSR(n) (OMAP34XX_USB_EP(n) + MUSB_TXCSR)
#define OMAP34XX_USB_FIFOSIZE(n) (OMAP34XX_USB_EP(n) + MUSB_FIFOSIZE)
#define OMAP34XX_USB_FIFO(n) (OMAP34XX_USB_BASE + 0x20 + ((n) * 4))
/* memory mapped registers */
#define BULK_ENDPOINT 1
static volatile u16 *peri_rxcsr = (volatile u16 *) OMAP34XX_USB_RXCSR(BULK_ENDPOINT);
#define MUSB_RXCSR_RXPKTRDY 0x0001
static volatile u16 *rxcount = (volatile u16 *) OMAP34XX_USB_RXCOUNT(BULK_ENDPOINT);
static volatile u16 *peri_txcsr = (volatile u16 *) OMAP34XX_USB_TXCSR(BULK_ENDPOINT);
#define MUSB_TXCSR_TXPKTRDY 0x0001
static volatile u8 *bulk_fifo = (volatile u8 *) OMAP34XX_USB_FIFO(BULK_ENDPOINT);
/* In high speed mode packets are 512
In full speed mode packets are 64 */
#define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_2_0 (0x0200)
#define RX_ENDPOINT_MAXIMUM_PACKET_SIZE_1_1 (0x0040)
#define MIN(a,b) ( ((a) < (b)) ? (a) : (b))
#define PACK4(a,b,c,d) (((d)<<24) | ((c)<<16) | ((b)<<8) | (a))
#define USBLOAD_CMD_FILE PACK4('U', 'S', 'B', 's') /* send file size */
#define USBLOAD_CMD_JUMP PACK4('U', 'S', 'B', 'j') /* go where I tell you */
#define USBLOAD_CMD_FILE_REQ PACK4('U', 'S', 'B', 'f') /* file request */
#define USBLOAD_CMD_ECHO_SZ PACK4('U', 'S', 'B', 'n') /* echo file size */
#define USBLOAD_CMD_REPORT_SZ PACK4('U', 'S', 'B', 'o') /* report file size */
#define USBLOAD_CMD_MESSAGE PACK4('U', 'S', 'B', 'm') /* message for debug */
#define USBLOAD_CMD_NAND_DUMP PACK4('U', 'S', 'B', 'd') /* dump NAND */
#define USBLOAD_CMD_NAND_OOB_DUMP PACK4('U', 'S', 'B', 'b') /* dump NAND OOB */
#define USBLOAD_CMD_NAND_DUMP_SZ PACK4('U', 'S', 'B', 'r') /* dump size */
#define USBLOAD_CMD_RESPONSE_LEN 12
#endif