dma.h

smdk40100 40mhz test code

#ifndef __DMA_H__
#define __DMA_H__

int Test_DMA(void);
void Test_ExtDMA(void);

/********************************************************************************
 *			DMA Control Register Definition
 *
 *	 15  14  13  12  11  10   9   8   7   6   5   4   3   2   1   0
 *	+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
 *	|DM |CM |  TW   |SB | X |BT |SI |SF |DF |SD |DD | MODE  |BS |RE |
 *	+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
 *
 *	DM: Denand mode				0: normal, 1: demand
 *	CM: Continuous mode			0: normal, 1: continuous
 *	TW: Transfer width			00: byte(8-bit), 01: halfword(16-bit)
 *						10: word(32-bit), 11: not used
 *	SB: Single/Block mode			0: single mode, 1: block mode
 *	BT: 4 Burst mode			0: normal, 1: 4 burst
 *	SI: Stop interrupt enable		0: No interrupt, 1: generate interrupt
 *	SF: Source address fix			0: increase/decrease, 1: fixed
 *	DF: Destination address address fix	0: increase/decrease, 1: fixed
 *	SD: Source address direction		0: increase, 1: decrease
 *	DD: Destination address direction	0: increase, 1: decrease
 *	MODE: DMA mode select			00: Software, 01: Ext. REQ, 10: UART, 11: SIO,Timer
 *	BS: Busy status(Read only)		0: Idle state, 1: Busy state
 *	RE: Run Enable				0: disable, 1: enable
 ********************************************************************************/
#define DMA_CTRL_NO_DEMAND	0x0000
#define DMA_CTRL_DEMAND		0x8000

#define DMA_CTRL_NO_CONT	0x0000
#define DMA_CTRL_CONT		0x4000

#define DMA_CTRL_TW_BYTE	0x0000
#define DMA_CTRL_TW_HLAFWORD	0x1000
#define DMA_CTRL_TW_WORD	0x2000

#define DMA_CTRL_SINGLE		0x0000
#define DMA_CTRL_BLOCK		0x0800

#define DMA_CTRL_NORMAL		0x0000
#define DMA_CTRL_BURST		0x0200

#define DMA_CTRL_NO_INT		0x0000
#define DMA_CTRL_INT		0x0100

#define DMA_CTRL_SRC_CHANGE	0x0000
#define DMA_CTRL_SRC_FIX	0x0080

#define DMA_CTRL_DST_CHANGE	0x0000
#define DMA_CTRL_DST_FIX	0x0040

#define DMA_CTRL_SRC_INC	0x0000
#define DMA_CTRL_SRC_DEC	0x0020

#define DMA_CTRL_DST_INC	0x0000
#define DMA_CTRL_DST_DEC	0x0010

#define DMA_CTRL_MODE_SW	0x0000
#define DMA_CTRL_MODE_EXT	0x0004
#define DMA_CTRL_MODE_UART	0x0008
#define DMA_CTRL_MODE_SIO	0x000c

#define DMA_STATE_IDLE		0x0000
#define DMA_STATE_BUSY		0x0002

#define DMA_RUN_DISABLE		0x0000
#define DMA_RUN_ENABLE		0x0001


#endif /*__POWER_H__*/