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Commit 68a31785 authored by Geert Uytterhoeven's avatar Geert Uytterhoeven Committed by Simon Horman
Browse files

ARM: shmobile: Remove unused dma-register.h 



The last users of "dma-register.h" were the sh73a0 and r8a7740 legacy
SoC code, which have been removed.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent 44d88c75

arch/arm/mach-shmobile/dma-register.h

deleted100644 → 0
+0 −84
Original line number Diff line number Diff line 
/*

 * SH-ARM CPU-specific DMA definitions, used by both DMA drivers

 *

 * Copyright (C) 2012 Renesas Solutions Corp

 *

 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

 *

 * Based on arch/sh/include/cpu-sh4/cpu/dma-register.h

 * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 */



#ifndef DMA_REGISTER_H

#define DMA_REGISTER_H



/*

 *		Direct Memory Access Controller

 */



/* Transmit sizes and respective CHCR register values */

enum {

	XMIT_SZ_8BIT		= 0,

	XMIT_SZ_16BIT		= 1,

	XMIT_SZ_32BIT		= 2,

	XMIT_SZ_64BIT		= 7,

	XMIT_SZ_128BIT		= 3,

	XMIT_SZ_256BIT		= 4,

	XMIT_SZ_512BIT		= 5,

};



/* log2(size / 8) - used to calculate number of transfers */

static const unsigned int dma_ts_shift[] = {

	[XMIT_SZ_8BIT]		= 0,

	[XMIT_SZ_16BIT]		= 1,

	[XMIT_SZ_32BIT]		= 2,

	[XMIT_SZ_64BIT]		= 3,

	[XMIT_SZ_128BIT]	= 4,

	[XMIT_SZ_256BIT]	= 5,

	[XMIT_SZ_512BIT]	= 6,

};



#define TS_LOW_BIT	0x3 /* --xx */

#define TS_HI_BIT	0xc /* xx-- */



#define TS_LOW_SHIFT	(3)

#define TS_HI_SHIFT	(20 - 2)	/* 2 bits for shifted low TS */



#define TS_INDEX2VAL(i) \

	((((i) & TS_LOW_BIT) << TS_LOW_SHIFT) |\

	 (((i) & TS_HI_BIT)  << TS_HI_SHIFT))



#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL((xmit_sz)))

#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL((xmit_sz)))





/*

 *		USB High-Speed DMAC

 */

/* Transmit sizes and respective CHCR register values */

enum {

	USBTS_XMIT_SZ_8BYTE		= 0,

	USBTS_XMIT_SZ_16BYTE		= 1,

	USBTS_XMIT_SZ_32BYTE		= 2,

};



/* log2(size / 8) - used to calculate number of transfers */

static const unsigned int dma_usbts_shift[] = {

	[USBTS_XMIT_SZ_8BYTE]	= 3,

	[USBTS_XMIT_SZ_16BYTE]	= 4,

	[USBTS_XMIT_SZ_32BYTE]	= 5,

};



#define USBTS_LOW_BIT	0x3 /* --xx */

#define USBTS_HI_BIT	0x0 /* ---- */



#define USBTS_LOW_SHIFT	6

#define USBTS_HI_SHIFT	0



#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)



#endif /* DMA_REGISTER_H */