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/*
* arch/sh/include/asm/dma-sh.h
*
* Copyright (C) 2000 Takashi YOSHII
* Copyright (C) 2003 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __DMA_SH_H
#define __DMA_SH_H
#include <asm/dma-register.h>
#include <cpu/dma-register.h>
#include <cpu/dma.h>
/* DMAOR contorl: The DMAOR access size is different by CPU.*/
#if defined(CONFIG_CPU_SUBTYPE_SH7723) || \
defined(CONFIG_CPU_SUBTYPE_SH7724) || \
defined(CONFIG_CPU_SUBTYPE_SH7780) || \
defined(CONFIG_CPU_SUBTYPE_SH7785)
#define dmaor_read_reg(n) \
(n ? __raw_readw(SH_DMAC_BASE1 + DMAOR) \
: __raw_readw(SH_DMAC_BASE0 + DMAOR))
#define dmaor_write_reg(n, data) \
(n ? __raw_writew(data, SH_DMAC_BASE1 + DMAOR) \
: __raw_writew(data, SH_DMAC_BASE0 + DMAOR))
#else /* Other CPU */
#define dmaor_read_reg(n) __raw_readw(SH_DMAC_BASE0 + DMAOR)
#define dmaor_write_reg(n, data) __raw_writew(data, SH_DMAC_BASE0 + DMAOR)
#endif
static int dmte_irq_map[] __maybe_unused = {
#if (MAX_DMA_CHANNELS >= 4)
DMTE0_IRQ,
DMTE0_IRQ + 1,
DMTE0_IRQ + 2,
DMTE0_IRQ + 3,
#endif
#if (MAX_DMA_CHANNELS >= 6)
DMTE4_IRQ,
DMTE4_IRQ + 1,
#endif
#if (MAX_DMA_CHANNELS >= 8)
DMTE6_IRQ,
DMTE6_IRQ + 1,
#endif
#if (MAX_DMA_CHANNELS >= 12)
DMTE8_IRQ,
DMTE9_IRQ,
DMTE10_IRQ,
DMTE11_IRQ,
#endif
};
/*
* Define the default configuration for dual address memory-memory transfer.
* The 0x400 value represents auto-request, external->external.
*/
#define RS_DUAL (DM_INC | SM_INC | 0x400 | TS_INDEX2VAL(XMIT_SZ_32BIT))
/* DMA base address */
static u32 dma_base_addr[] __maybe_unused = {
#if (MAX_DMA_CHANNELS >= 4)
SH_DMAC_BASE0 + 0x00, /* channel 0 */
SH_DMAC_BASE0 + 0x10,
SH_DMAC_BASE0 + 0x20,
SH_DMAC_BASE0 + 0x30,
#endif
#if (MAX_DMA_CHANNELS >= 6)
SH_DMAC_BASE0 + 0x50,
SH_DMAC_BASE0 + 0x60,
#endif
#if (MAX_DMA_CHANNELS >= 8)
SH_DMAC_BASE1 + 0x00,
SH_DMAC_BASE1 + 0x10,
#endif
#if (MAX_DMA_CHANNELS >= 12)
SH_DMAC_BASE1 + 0x20,
SH_DMAC_BASE1 + 0x30,
SH_DMAC_BASE1 + 0x50,
SH_DMAC_BASE1 + 0x60, /* channel 11 */
#endif
};
#endif /* __DMA_SH_H */
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