include/lh7a400.h

/*
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * 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
 */

/*
 * lh7a400 SoC interface
 */

#ifndef __LH7A400_H__
#define __LH7A400_H__

#include "lh7a40x.h"

/* Interrupt Controller (userguide 8.2.1) */
typedef struct {
	volatile u32  intsr;
	volatile u32  intrsr;
	volatile u32  intens;
	volatile u32  intenc;
	volatile u32  rsvd1;
	volatile u32  rsvd2;
	volatile u32  rsvd3;
} /*__attribute__((__packed__))*/ lh7a400_interrupt_t;
#define LH7A400_INTERRUPT_BASE    (0x80000500)
#define LH7A400_INTERRUPT_PTR(name)  lh7a400_interrupt_t* name = (lh7a400_interrupt_t*) LH7A400_INTERRUPT_BASE

/* (DMA) Direct Memory Access Controller (userguide 9.2.1) */
typedef struct {
	volatile u32  maxcnt;
	volatile u32  base;
	volatile u32  current;
	volatile u32  rsvd1;
} lh7a400_dmabuf_t;

typedef struct {
	volatile u32      control;
	volatile u32      interrupt;
	volatile u32      rsvd1;
	volatile u32      status;
	volatile u32      rsvd2;
	volatile u32      remain;
	volatile u32      rsvd3;
	volatile u32      rsvd4;
	lh7a400_dmabuf_t  buf[2];
} /*__attribute__((__packed__))*/ lh7a400_dmachan_t;

typedef struct {
	lh7a400_dmachan_t  chan[15];
	volatile u32       glblint;
	volatile u32       rsvd1;
	volatile u32       rsvd2;
	volatile u32       rsvd3;
} /*__attribute__((__packed__))*/ lh7a400_dma_t;
#define LH7A400_DMA_BASE      (0x80002800)
#define DMA_USBTX_OFFSET      (0x000)
#define DMA_USBRX_OFFSET      (0x040)
#define DMA_MMCTX_OFFSET      (0x080)
#define DMA_MMCRX_OFFSET      (0x0C0)
#define DMA_AC97_BASE         (0x80002A00)

#define LH7A400_DMA_PTR(name)    lh7a400_dma_t* name = (lh7a400_dma_t*) LH7A400_DMA_BASE
#define LH7A400_DMA_USBTX(name) \
	lh7a400_dmachan_t* name = (lh7a400_dmachan_t*) (LH7A400_DMA_BASE + DMA_USBTX_OFFSET)
#define LH7A400_DMA_USBRX(name) \
	lh7a400_dmachan_t* name = (lh7a400_dmachan_t*) (LH7A400_DMA_BASE + DMA_USBRX_OFFSET)
#define LH7A400_DMA_MMCTX(name) \
	lh7a400_dmachan_t* name = (lh7a400_dmachan_t*) (LH7A400_DMA_BASE + DMA_MMCTX_OFFSET)
#define LH7A400_DMA_MMCRX(name) \
	lh7a400_dmachan_t* name = (lh7a400_dmachan_t*) (LH7A400_DMA_BASE + DMA_MMCRX_OFFSET)
#define LH7A400_AC97RX(name,n) \
	lh7a400_dmachan_t* name = (lh7a400_dmachan_t*) (LH7A400_AC97_BASE + \
	((2*n) * sizeof(lh7a400_dmachan_t)))
#define LH7A400_AC97TX(name,n) \
	lh7a400_dmachan_t* name = (lh7a400_dmachan_t*) (LH7A400_AC97_BASE + \
	(((2*n)+1) * sizeof(lh7a400_dmachan_t)))

#endif  /* __LH7A400_H__ */