8f64b27670
dma_ts_shift[] isn't used outside this source file. All other users use the definition from arch/arm/mach-shmobile/dma-register.h. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
77 lines
2 KiB
C
77 lines
2 KiB
C
/*
|
|
* 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,
|
|
};
|