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| /*
| * Renesas SuperH DMA Engine support for r8a73a4 (APE6) SoCs
| *
| * Copyright (C) 2013 Renesas Electronics, Inc.
| *
| * This is free software; you can redistribute it and/or modify it under the
| * terms of version 2 the GNU General Public License as published by the Free
| * Software Foundation.
| */
| #include <linux/sh_dma.h>
|
| #include "shdma-arm.h"
|
| static const unsigned int dma_ts_shift[] = SH_DMAE_TS_SHIFT;
|
| static const struct sh_dmae_slave_config dma_slaves[] = {
| {
| .chcr = CHCR_TX(XMIT_SZ_32BIT),
| .mid_rid = 0xd1, /* MMC0 Tx */
| }, {
| .chcr = CHCR_RX(XMIT_SZ_32BIT),
| .mid_rid = 0xd2, /* MMC0 Rx */
| }, {
| .chcr = CHCR_TX(XMIT_SZ_32BIT),
| .mid_rid = 0xe1, /* MMC1 Tx */
| }, {
| .chcr = CHCR_RX(XMIT_SZ_32BIT),
| .mid_rid = 0xe2, /* MMC1 Rx */
| },
| };
|
| #define DMAE_CHANNEL(a, b) \
| { \
| .offset = (a) - 0x20, \
| .dmars = (a) - 0x20 + 0x40, \
| .chclr_bit = (b), \
| .chclr_offset = 0x80 - 0x20, \
| }
|
| static const struct sh_dmae_channel dma_channels[] = {
| DMAE_CHANNEL(0x8000, 0),
| DMAE_CHANNEL(0x8080, 1),
| DMAE_CHANNEL(0x8100, 2),
| DMAE_CHANNEL(0x8180, 3),
| DMAE_CHANNEL(0x8200, 4),
| DMAE_CHANNEL(0x8280, 5),
| DMAE_CHANNEL(0x8300, 6),
| DMAE_CHANNEL(0x8380, 7),
| DMAE_CHANNEL(0x8400, 8),
| DMAE_CHANNEL(0x8480, 9),
| DMAE_CHANNEL(0x8500, 10),
| DMAE_CHANNEL(0x8580, 11),
| DMAE_CHANNEL(0x8600, 12),
| DMAE_CHANNEL(0x8680, 13),
| DMAE_CHANNEL(0x8700, 14),
| DMAE_CHANNEL(0x8780, 15),
| DMAE_CHANNEL(0x8800, 16),
| DMAE_CHANNEL(0x8880, 17),
| DMAE_CHANNEL(0x8900, 18),
| DMAE_CHANNEL(0x8980, 19),
| };
|
| const struct sh_dmae_pdata r8a73a4_dma_pdata = {
| .slave = dma_slaves,
| .slave_num = ARRAY_SIZE(dma_slaves),
| .channel = dma_channels,
| .channel_num = ARRAY_SIZE(dma_channels),
| .ts_low_shift = TS_LOW_SHIFT,
| .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT,
| .ts_high_shift = TS_HI_SHIFT,
| .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT,
| .ts_shift = dma_ts_shift,
| .ts_shift_num = ARRAY_SIZE(dma_ts_shift),
| .dmaor_init = DMAOR_DME,
| .chclr_present = 1,
| .chclr_bitwise = 1,
| };
|
|
