ben-blinkenlights/ubb-vga/regs4740.h

/*
 * regs4740.h - Jz4740 register definitions (subset)
 *
 * Written 2011 by Werner Almesberger
 * Copyright 2011 Werner Almesberger
 *
 * 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.
 */

#ifndef REGS4740_H
#define	REGS4740_H

#include <stdint.h>


#define	SOC_BASE	0x10000000
#define	REG_WINDOW	0x4000000

#define	REG(n)		(*(volatile uint32_t *) ((void *) (REG_BASE_PTR)+(n)))

#define	REG_PADDR(r)	((unsigned long) \
			    ((void *) &(r)-(void *) (REG_BASE_PTR)+SOC_BASE))

#define	_CGU(n)		REG(0x0000000+(n))
#define	_INTC(n)	REG(0x0001000+(n))
#define	_TCU(n)		REG(0x0002000+(n))
#define	_GPIO(n)	REG(0x0010000+(n))
#define	_MSC(n)		REG(0x0021000+(n))
#define	_DMAC(n)	REG(0x3020000+(n))
#define	_LCD(n)		REG(0x3050000+(n))

#define	CLKGR	_CGU(0x0020)	/* Clock Gate */
#define	MSCCDR	_CGU(0x0068)	/* MSC device clock divider */

#define	PDPIN	_GPIO(0x300)	/* port D pin level */
#define	PDDATS	_GPIO(0x314)	/* port D data set */
#define	PDDATC	_GPIO(0x318)	/* port D data clear */
#define	PDFUNS	_GPIO(0x344)	/* port D function set */
#define	PDFUNC	_GPIO(0x348)	/* port D function clear */
#define	PDDIRS	_GPIO(0x364)	/* port D direction set */
#define	PDDIRC	_GPIO(0x368)	/* port D direction clear */

#define	ICMR	_INTC(0x04)	/* Interrupt controller mask */
#define	ICMSR	_INTC(0x08)	/* Interrupt controller mask set */
#define	ICMCR	_INTC(0x0c)	/* Interrupt controller mask clear */

#define	TSSR	_TCU(0x2c)		/* Timer STOP set */
#define	TSCR	_TCU(0x3c)		/* Timer STOP clear */
#define	TESR	_TCU(0x14)		/* Timer counter enable set */
#define	TECR	_TCU(0x18)		/* Timer counter enable clear */
#define	TFR	_TCU(0x20)		/* Timer flag */
#define	TFSR	_TCU(0x24)		/* Timer flag set */
#define	TFCR	_TCU(0x28)		/* Timer flag clear */
#define	TCSR(n)	_TCU(0x4c+0x10*(n))	/* Timer control */
#define	TDFR(n)	_TCU(0x40+0x10*(n))	/* Timer data full */
#define	TDHR(n)	_TCU(0x44+0x10*(n))	/* Timer data half */
#define	TCNT(n)	_TCU(0x48+0x10*(n))	/* Timer counter */

#define	MSC_STRPCL	_MSC(0x00)	/* Start/stop MMC/SD clock */
#define	MSC_STAT	_MSC(0x04)	/* MSC status */
#define	MSC_CLKRT	_MSC(0x08)	/* MSC clock rate */
#define	MSC_CMDAT	_MSC(0x0c)	/* MMC/SD command and data control */
#define	MSC_RESTO	_MSC(0x10)	/* MMC/SD response time out */
#define	MSC_BLKLEN	_MSC(0x18)	/* MMC/SD block length */
#define	MSC_NOB		_MSC(0x1c)	/* MMC/SD number of blocks */
#define	MSC_SNOB	_MSC(0x20)	/* MMC/SD successful blocks */
#define	MSC_IMASK	_MSC(0x24)	/* MMC/SD interrupt mask */
#define	MSC_IREG	_MSC(0x28)	/* MMC/SD interrupt */
#define	MSC_CMD		_MSC(0x2c)	/* MMC/SD command index */
#define	MSC_ARG		_MSC(0x30)	/* MMC/SD command argument */
#define	MSC_RXFIFO	_MSC(0x38)	/* MMC/SD receive data FIFO */
#define	MSC_TXFIFO	_MSC(0x3c)	/* MMC/SD transmit data FIFO */

#define	_DMAn(n, r)	_DMAC(0x20*(n)+(r))

#define	DSA(n)		_DMAn(n, 0x00)	/* DMA source address */
#define	DTA(n)		_DMAn(n, 0x04)	/* DMA target address */
#define	DTC(n)		_DMAn(n, 0x08)	/* DMA transfer count */
#define	DRT(n)		_DMAn(n, 0x0c)	/* DMA request type */
#define	DCS(n)		_DMAn(n, 0x10)	/* DMA channel control/status */
#define	DCM(n)		_DMAn(n, 0x14)	/* DMA command */
#define	DMAC		_DMAC(0x300)	/* DMA control */
#define	DDR		_DMAC(0x308)	/* DMA doorbell */

#define	LCDCTRL		_LCD(0x30)	/* LCD control */

#endif /* !REGS4740_H */