lpc177x_8x_emc.h

优龙LPC1788开发板资料

#define EMC_DynamicConfig_AM1(n)		((uint32_t )(n << 7))
/* DynamicConfig register EMC: Address mapping (AM) */
#define EMC_DynamicConfig_AM2(n)		((uint32_t )(1 << 14))
/* DynamicConfig register EMC: Buffer enable */
#define EMC_DynamicConfig_B				((uint32_t )(1 << 19))
/* DynamicConfig register EMC: Write protect (P) */
#define EMC_DynamicConfig_P				((uint32_t )(1 << 20))

/***********************************************************************
 * Dynamic Memory RAS & CAS Delay registers (EMCDynamicRASCAS0-3)
 **********************************************************************/
/* DynamicRASCAS register EMC: RAS latency (active to read/write delay) (RAS). */
#define EMC_DynamicConfig_RAS(n)			((uint32_t )(n & 0x03))
/* DynamicRASCAS register EMC: CAS latency (CAS)*/
#define EMC_DynamicConfig_CAS(n)			((uint32_t )(n << 8))

/***********************************************************************
 * Static Memory Configuration registers (EMCStaticConfig0-3)
 **********************************************************************/
/* StaticConfig register EMC: Memory width (MW). */
#define EMC_StaticConfig_MW(n)			((uint32_t )(n & 0x03))
/* StaticConfig register EMC: Memory width 8bit . */
#define EMC_StaticConfig_MW_8BITS		(EMC_StaticConfig_MW(0))
/* StaticConfig register EMC: Memory width 16bit . */
#define EMC_StaticConfig_MW_16BITS		(EMC_StaticConfig_MW(1))
/* StaticConfig register EMC: Memory width 32bit . */
#define EMC_StaticConfig_MW_32BITS		(EMC_StaticConfig_MW(2))
/* StaticConfig register EMC: Page mode (PM) */
#define EMC_StaticConfig_PM				((uint32_t )(1 << 3))
/* StaticConfig register EMC: Chip select polarity (PC) */
#define EMC_StaticConfig_PC				((uint32_t )(1 << 6))
/* StaticConfig register EMC: Byte lane state (PB) */
#define EMC_StaticConfig_PB				((uint32_t )(1 << 7))
/* StaticConfig register EMC: Extended wait (EW) */
#define EMC_StaticConfig_EW				((uint32_t )(1 << 8))
/* StaticConfig register EMC: Buffer enable (B) */
#define EMC_StaticConfig_B				((uint32_t )(1 << 19))
/* StaticConfig register EMC: Write protect (P) */
#define EMC_StaticConfig_P				((uint32_t )(1 << 20))

/***********************************************************************
 * Static Memory Write Enable Delay registers (EMCStaticWaitWen0-3)
 **********************************************************************/
/* StaticWaitWen register EMC: Wait write enable (WAITWEN). */
#define EMC_StaticWaitWen_WAITWEN(n)	((uint32_t )(n & 0x0f))

/***********************************************************************
 * Static Memory Output Enable Delay registers (EMCStaticWaitOen0-3)
 **********************************************************************/
/* StaticWaitOen register EMC: Wait output enable (WAITOEN). */
#define EMC_StaticWaitOen_WAITOEN(n)	((uint32_t )(n & 0x0f))

/***********************************************************************
 * Static Memory Read Delay registers (EMCStaticWaitRd0-3)
 **********************************************************************/
/* StaticWaitRd register EMC: Non-page mode read wait states or asynchronous page mode
read first access wait state (WAITRD) */
#define EMC_StaticWaitRd_WAITRD(n)		((uint32_t )(n & 0x1f))

/***********************************************************************
 * Static Memory Page Mode Read Delay registers (EMCStaticwaitPage0-3)
 **********************************************************************/
/* StaticwaitPage register EMC: Asynchronous page mode read after the first
read wait states (WAITPAGE). */
#define EMC_StaticwaitPage_WAITPAGE(n)	((uint32_t )(n & 0x1f))

/***********************************************************************
 * Static Memory Write Delay registers (EMCStaticWaitwr0-3)
 **********************************************************************/
/* StaticWaitwr register EMC: Write wait states (WAITWR). */
#define EMC_StaticWaitwr_WAITWR(n)		((uint32_t )(n & 0x1f))

/***********************************************************************
 * Static Memory Turn Round Delay registers (EMCStaticWaitTurn0-3)
 **********************************************************************/
/* StaticWaitTurn register EMC: Bus turnaround cycles (WAITTURN). */
#define EMC_StaticWaitTurn_WAITTURN(n)	((uint32_t )(n & 0x0f))

/***********************************************************************
 * Delay Control register (EMCDLYCTL)
 **********************************************************************/
#define EMC_DLYCTL_CMDDLY(n)		((uint32_t)(n&0x1F))
#define EMC_DLYCTL_FBCLKDLY(n)		((uint32_t)((n&0x1F)<<8))
#define EMC_DLYCTL_CLKOUT0DLY(n)	((uint32_t)((n&0x1F)<<16))
#define EMC_DLYCTL_CLKOUT1DLY(n)	((uint32_t)((n&0x1F)<<24))

/***********************************************************************
 * EMC Calibration register (EMCCAL)
 **********************************************************************/
#define EMC_CAL_CALVALUE(n)			((uint32_t)(n&0xFF))
#define EMC_CAL_START				((uint32_t)(1<<14))
#define EMC_CAL_DONE				((uint32_t)(1<<15))

#define EMC_LITTLE_ENDIAN_MODE		((uint32_t)(0))
#define EMC_BIG_ENDIAN_MODE			((uint32_t)(1))

/* Public Types --------------------------------------------------------------- */
/** @defgroup EMC_Public_Types EMC Public Types
 * @{
 */
/*EMC dynamic memory registers enum*/
typedef enum
{
  EMC_DYN_MEM_REFRESH_TIMER,
  EMC_DYN_MEM_READ_CONFIG,
  EMC_DYN_MEM_TRP,
  EMC_DYN_MEM_TRAS,
  EMC_DYN_MEM_TSREX,
  EMC_DYN_MEM_TAPR,
  EMC_DYN_MEM_TDAL,
  EMC_DYN_MEM_TWR,
  EMC_DYN_MEM_TRC,
  EMC_DYN_MEM_TRFC,
  EMC_DYN_MEM_TXSR,
  EMC_DYN_MEM_TRRD,
  EMC_DYN_MEM_TMRD
} EMC_DYN_MEM_PAR;

/*EMC static memory registers enum*/
typedef enum
{
  EMC_STA_MEM_WAITWEN,
  EMC_STA_MEM_WAITOEN,
  EMC_STA_MEM_WAITRD,
  EMC_STA_MEM_WAITPAGE,
  EMC_STA_MEM_WAITWR,
  EMC_STA_MEM_WAITTURN,
} EMC_STA_MEM_PAR;

/* Public Functions ----------------------------------------------------------- */
/** @defgroup EMC_Public_Functions EMC Public Functions
 * @{
 */

extern void EMC_Init(void);
extern void EMC_ConfigEndianMode(uint32_t endian_mode);
extern void EMC_DynCtrlClockEnable(uint32_t clock_enable);
extern void EMC_DynCtrlClockControl(int32_t clock_control);
extern void EMC_DynCtrlSelfRefresh(uint32_t self_refresh_mode);
extern void EMC_DynCtrlMMC(uint32_t MMC_val);
extern void EMC_DynCtrlSDRAMInit(uint32_t SDRAM_command);
extern void EMC_DynCtrlPowerDownMode(uint32_t SDRAM_command);
extern void EMC_SetDynMemoryParameter(EMC_DYN_MEM_PAR par, uint32_t val);
extern void EMC_StaticExtendedWait(uint32_t Extended_wait_time_out);
extern void EMC_DynMemConfigMD(uint32_t index , uint32_t mem_dev);
extern void EMC_DynMemConfigAM(uint32_t index , uint32_t add_mapped);
extern void EMC_DynMemConfigB(uint32_t index , uint32_t buff_control);
extern void EMC_DynMemConfigP(uint32_t index , uint32_t permission);
extern void EMC_DynMemRAS(uint32_t index , uint32_t ras_val);
extern void EMC_DynMemCAS(uint32_t index , uint32_t cas_val);
extern void EMC_StaMemConfigMW(uint32_t index , uint32_t mem_width);
extern void EMC_StaMemConfigPM(uint32_t index , uint32_t page_mode);
extern void EMC_StaMemConfigPC(uint32_t index , uint32_t pol_val);
extern void EMC_StaMemConfigPB(uint32_t index , uint32_t pb_val);
extern void EMC_StaMemConfigEW(uint32_t index , uint32_t ex_wait);
extern void EMC_StaMemConfigB(uint32_t index , uint32_t buf_val);
extern void EMC_StaMemConfigpP(uint32_t index , uint32_t per_val);
extern void EMC_SetStaMemoryParameter(uint32_t index ,EMC_STA_MEM_PAR par, uint32_t val);


#endif /* LPC178X_EMC_H_ */