305 lines
14 KiB
C
305 lines
14 KiB
C
//*****************************************************************************
|
|
//
|
|
// epi.h - Prototypes and macros for the EPI module.
|
|
//
|
|
// Copyright (c) 2008-2011 Texas Instruments Incorporated. All rights reserved.
|
|
// Software License Agreement
|
|
//
|
|
// Texas Instruments (TI) is supplying this software for use solely and
|
|
// exclusively on TI's microcontroller products. The software is owned by
|
|
// TI and/or its suppliers, and is protected under applicable copyright
|
|
// laws. You may not combine this software with "viral" open-source
|
|
// software in order to form a larger program.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
|
|
// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
|
|
// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
|
|
// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
|
|
// DAMAGES, FOR ANY REASON WHATSOEVER.
|
|
//
|
|
// This is part of revision 8264 of the Stellaris Peripheral Driver Library.
|
|
//
|
|
//*****************************************************************************
|
|
|
|
#ifndef __EPI_H__
|
|
#define __EPI_H__
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// If building with a C++ compiler, make all of the definitions in this header
|
|
// have a C binding.
|
|
//
|
|
//*****************************************************************************
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIModeSet()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_MODE_GENERAL 0x00000010
|
|
#define EPI_MODE_SDRAM 0x00000011
|
|
#define EPI_MODE_HB8 0x00000012
|
|
#define EPI_MODE_HB16 0x00000013
|
|
#define EPI_MODE_DISABLE 0x00000000
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIConfigSDRAMSet()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_SDRAM_CORE_FREQ_0_15 0x00000000
|
|
#define EPI_SDRAM_CORE_FREQ_15_30 0x40000000
|
|
#define EPI_SDRAM_CORE_FREQ_30_50 0x80000000
|
|
#define EPI_SDRAM_CORE_FREQ_50_100 0xC0000000
|
|
#define EPI_SDRAM_LOW_POWER 0x00000200
|
|
#define EPI_SDRAM_FULL_POWER 0x00000000
|
|
#define EPI_SDRAM_SIZE_64MBIT 0x00000000
|
|
#define EPI_SDRAM_SIZE_128MBIT 0x00000001
|
|
#define EPI_SDRAM_SIZE_256MBIT 0x00000002
|
|
#define EPI_SDRAM_SIZE_512MBIT 0x00000003
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIConfigGPModeSet()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_GPMODE_CLKPIN 0x80000000
|
|
#define EPI_GPMODE_CLKGATE 0x40000000
|
|
#define EPI_GPMODE_RDYEN 0x10000000
|
|
#define EPI_GPMODE_FRAMEPIN 0x08000000
|
|
#define EPI_GPMODE_FRAME50 0x04000000
|
|
#define EPI_GPMODE_READWRITE 0x00200000
|
|
#define EPI_GPMODE_WRITE2CYCLE 0x00080000
|
|
#define EPI_GPMODE_READ2CYCLE 0x00040000
|
|
#define EPI_GPMODE_ASIZE_NONE 0x00000000
|
|
#define EPI_GPMODE_ASIZE_4 0x00000010
|
|
#define EPI_GPMODE_ASIZE_12 0x00000020
|
|
#define EPI_GPMODE_ASIZE_20 0x00000030
|
|
#define EPI_GPMODE_DSIZE_8 0x00000000
|
|
#define EPI_GPMODE_DSIZE_16 0x00000001
|
|
#define EPI_GPMODE_DSIZE_24 0x00000002
|
|
#define EPI_GPMODE_DSIZE_32 0x00000003
|
|
#define EPI_GPMODE_WORD_ACCESS 0x00000100
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIConfigHB8ModeSet()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_HB8_USE_TXEMPTY 0x00800000
|
|
#define EPI_HB8_USE_RXFULL 0x00400000
|
|
#define EPI_HB8_WRHIGH 0x00200000
|
|
#define EPI_HB8_RDHIGH 0x00100000
|
|
#define EPI_HB8_WRWAIT_0 0x00000000
|
|
#define EPI_HB8_WRWAIT_1 0x00000040
|
|
#define EPI_HB8_WRWAIT_2 0x00000080
|
|
#define EPI_HB8_WRWAIT_3 0x000000C0
|
|
#define EPI_HB8_RDWAIT_0 0x00000000
|
|
#define EPI_HB8_RDWAIT_1 0x00000010
|
|
#define EPI_HB8_RDWAIT_2 0x00000020
|
|
#define EPI_HB8_RDWAIT_3 0x00000030
|
|
#define EPI_HB8_MODE_ADMUX 0x00000000
|
|
#define EPI_HB8_MODE_ADDEMUX 0x00000001
|
|
#define EPI_HB8_MODE_SRAM 0x00000002
|
|
#define EPI_HB8_MODE_FIFO 0x00000003
|
|
#define EPI_HB8_WORD_ACCESS 0x00000100
|
|
#define EPI_HB8_CSCFG_ALE 0x00000000
|
|
#define EPI_HB8_CSCFG_CS 0x00000200
|
|
#define EPI_HB8_CSCFG_DUAL_CS 0x00000400
|
|
#define EPI_HB8_CSCFG_ALE_DUAL_CS 0x00000600
|
|
#define EPI_HB8_CSBAUD_DUAL 0x00000800
|
|
|
|
#define EPI_HB8_CSCFG_MASK 0x00000600
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIConfigHB16ModeSet()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_HB16_USE_TXEMPTY 0x00800000
|
|
#define EPI_HB16_USE_RXFULL 0x00400000
|
|
#define EPI_HB16_WRHIGH 0x00200000
|
|
#define EPI_HB16_RDHIGH 0x00100000
|
|
#define EPI_HB16_WRWAIT_0 0x00000000
|
|
#define EPI_HB16_WRWAIT_1 0x00000040
|
|
#define EPI_HB16_WRWAIT_2 0x00000080
|
|
#define EPI_HB16_WRWAIT_3 0x000000C0
|
|
#define EPI_HB16_RDWAIT_0 0x00000000
|
|
#define EPI_HB16_RDWAIT_1 0x00000010
|
|
#define EPI_HB16_RDWAIT_2 0x00000020
|
|
#define EPI_HB16_RDWAIT_3 0x00000030
|
|
#define EPI_HB16_MODE_ADMUX 0x00000000
|
|
#define EPI_HB16_MODE_ADDEMUX 0x00000001
|
|
#define EPI_HB16_MODE_SRAM 0x00000002
|
|
#define EPI_HB16_MODE_FIFO 0x00000003
|
|
#define EPI_HB16_BSEL 0x00000004
|
|
#define EPI_HB16_WORD_ACCESS 0x00000100
|
|
#define EPI_HB16_CSCFG_ALE 0x00000000
|
|
#define EPI_HB16_CSCFG_CS 0x00000200
|
|
#define EPI_HB16_CSCFG_DUAL_CS 0x00000400
|
|
#define EPI_HB16_CSCFG_ALE_DUAL_CS 0x00000600
|
|
#define EPI_HB16_CSBAUD_DUAL 0x00000800
|
|
|
|
#define EPI_HB16_CSCFG_MASK 0x00000600
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIConfigSDRAMSet()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_ADDR_PER_SIZE_256B 0x00000000
|
|
#define EPI_ADDR_PER_SIZE_64KB 0x00000040
|
|
#define EPI_ADDR_PER_SIZE_16MB 0x00000080
|
|
#define EPI_ADDR_PER_SIZE_256MB 0x000000C0
|
|
#define EPI_ADDR_PER_BASE_NONE 0x00000000
|
|
#define EPI_ADDR_PER_BASE_A 0x00000010
|
|
#define EPI_ADDR_PER_BASE_C 0x00000020
|
|
#define EPI_ADDR_RAM_SIZE_256B 0x00000000
|
|
#define EPI_ADDR_RAM_SIZE_64KB 0x00000004
|
|
#define EPI_ADDR_RAM_SIZE_16MB 0x00000008
|
|
#define EPI_ADDR_RAM_SIZE_256MB 0x0000000C
|
|
#define EPI_ADDR_RAM_BASE_NONE 0x00000000
|
|
#define EPI_ADDR_RAM_BASE_6 0x00000001
|
|
#define EPI_ADDR_RAM_BASE_8 0x00000002
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPINonBlockingReadConfigure()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_NBCONFIG_SIZE_8 1
|
|
#define EPI_NBCONFIG_SIZE_16 2
|
|
#define EPI_NBCONFIG_SIZE_32 3
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIFIFOConfig()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_FIFO_CONFIG_WTFULLERR 0x00020000
|
|
#define EPI_FIFO_CONFIG_RSTALLERR 0x00010000
|
|
#define EPI_FIFO_CONFIG_TX_EMPTY 0x00000000
|
|
#define EPI_FIFO_CONFIG_TX_1_4 0x00000020
|
|
#define EPI_FIFO_CONFIG_TX_1_2 0x00000030
|
|
#define EPI_FIFO_CONFIG_TX_3_4 0x00000040
|
|
#define EPI_FIFO_CONFIG_RX_1_8 0x00000001
|
|
#define EPI_FIFO_CONFIG_RX_1_4 0x00000002
|
|
#define EPI_FIFO_CONFIG_RX_1_2 0x00000003
|
|
#define EPI_FIFO_CONFIG_RX_3_4 0x00000004
|
|
#define EPI_FIFO_CONFIG_RX_7_8 0x00000005
|
|
#define EPI_FIFO_CONFIG_RX_FULL 0x00000006
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIIntEnable(), EPIIntDisable(), or returned
|
|
// as flags from EPIIntStatus()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_INT_TXREQ 0x00000004
|
|
#define EPI_INT_RXREQ 0x00000002
|
|
#define EPI_INT_ERR 0x00000001
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Values that can be passed to EPIIntErrorClear(), or returned as flags from
|
|
// EPIIntErrorStatus()
|
|
//
|
|
//*****************************************************************************
|
|
#define EPI_INT_ERR_WTFULL 0x00000004
|
|
#define EPI_INT_ERR_RSTALL 0x00000002
|
|
#define EPI_INT_ERR_TIMEOUT 0x00000001
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// API Function prototypes
|
|
//
|
|
//*****************************************************************************
|
|
extern void EPIModeSet(unsigned long ulBase, unsigned long ulMode);
|
|
extern void EPIDividerSet(unsigned long ulBase, unsigned long ulDivider);
|
|
extern void EPIConfigSDRAMSet(unsigned long ulBase, unsigned long ulConfig,
|
|
unsigned long ulRefresh);
|
|
extern void EPIConfigGPModeSet(unsigned long ulBase, unsigned long ulConfig,
|
|
unsigned long ulFrameCount,
|
|
unsigned long ulMaxWait);
|
|
extern void EPIConfigHB8Set(unsigned long ulBase, unsigned long ulConfig,
|
|
unsigned long ulMaxWait);
|
|
extern void EPIConfigHB16Set(unsigned long ulBase, unsigned long ulConfig,
|
|
unsigned long ulMaxWait);
|
|
extern void EPIAddressMapSet(unsigned long ulBase, unsigned long ulMap);
|
|
extern void EPINonBlockingReadConfigure(unsigned long ulBase,
|
|
unsigned long ulChannel,
|
|
unsigned long ulDataSize,
|
|
unsigned long ulAddress);
|
|
extern void EPINonBlockingReadStart(unsigned long ulBase,
|
|
unsigned long ulChannel,
|
|
unsigned long ulCount);
|
|
extern void EPINonBlockingReadStop(unsigned long ulBase,
|
|
unsigned long ulChannel);
|
|
extern unsigned long EPINonBlockingReadCount(unsigned long ulBase,
|
|
unsigned long ulChannel);
|
|
extern unsigned long EPINonBlockingReadAvail(unsigned long ulBase);
|
|
extern unsigned long EPINonBlockingReadGet32(unsigned long ulBase,
|
|
unsigned long ulCount,
|
|
unsigned long *pulBuf);
|
|
extern unsigned long EPINonBlockingReadGet16(unsigned long ulBase,
|
|
unsigned long ulCount,
|
|
unsigned short *pusBuf);
|
|
extern unsigned long EPINonBlockingReadGet8(unsigned long ulBase,
|
|
unsigned long ulCount,
|
|
unsigned char *pucBuf);
|
|
extern void EPIFIFOConfig(unsigned long ulBase, unsigned long ulConfig);
|
|
extern unsigned long EPIWriteFIFOCountGet(unsigned long ulBase);
|
|
extern void EPIIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
|
|
extern void EPIIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
|
|
extern unsigned long EPIIntStatus(unsigned long ulBase, tBoolean bMasked);
|
|
extern unsigned long EPIIntErrorStatus(unsigned long ulBase);
|
|
extern void EPIIntErrorClear(unsigned long ulBase, unsigned long ulErrFlags);
|
|
extern void EPIIntRegister(unsigned long ulBase, void (*pfnHandler)(void));
|
|
extern void EPIIntUnregister(unsigned long ulBase);
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Several EPI APIs and labels have been renamed, with the original definition
|
|
// name being deprecated. These defines provide backward compatibility.
|
|
//
|
|
//*****************************************************************************
|
|
#ifndef DEPRECATED
|
|
#define EPI_MODE_NONE EPI_MODE_GENERAL
|
|
#define EPI_NONMODE_CLKPIN EPI_GPMODE_CLKPIN
|
|
#define EPI_NONMODE_CLKSTOP EPI_GPMODE_CLKGATE
|
|
#define EPI_NONMODE_CLKENA EPI_GPMODE_RDYEN
|
|
#define EPI_NONMODE_FRAMEPIN EPI_GPMODE_FRAMEPIN
|
|
#define EPI_NONMODE_FRAME50 EPI_GPMODE_FRAME50
|
|
#define EPI_NONMODE_READWRITE EPI_GPMODE_READWRITE
|
|
#define EPI_NONMODE_WRITE2CYCLE EPI_GPMODE_WRITE2CYCLE
|
|
#define EPI_NONMODE_READ2CYCLE EPI_GPMODE_READ2CYCLE
|
|
#define EPI_NONMODE_ASIZE_NONE EPI_GPMODE_ASIZE_NONE
|
|
#define EPI_NONMODE_ASIZE_4 EPI_GPMODE_ASIZE_4
|
|
#define EPI_NONMODE_ASIZE_12 EPI_GPMODE_ASIZE_12
|
|
#define EPI_NONMODE_ASIZE_20 EPI_GPMODE_ASIZE_20
|
|
#define EPI_NONMODE_DSIZE_8 EPI_GPMODE_DSIZE_8
|
|
#define EPI_NONMODE_DSIZE_16 EPI_GPMODE_DSIZE_16
|
|
#define EPI_NONMODE_DSIZE_24 EPI_GPMODE_DSIZE_24
|
|
#define EPI_NONMODE_DSIZE_32 EPI_GPMODE_DSIZE_32
|
|
#define EPI_NONMODE_WORD_ACCESS EPI_GPMODE_WORD_ACCESS
|
|
|
|
#define EPINonBlockingWriteCount(a) EPIWriteFIFOCountGet(a)
|
|
#define EPIConfigNoModeSet(a, b, c, d) EPIConfigGPModeSet((a), (b), (c), (d))
|
|
#endif
|
|
|
|
//*****************************************************************************
|
|
//
|
|
// Mark the end of the C bindings section for C++ compilers.
|
|
//
|
|
//*****************************************************************************
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // __EPI_H__
|