271 lines
13 KiB
C
271 lines
13 KiB
C
//*****************************************************************************
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//
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// epi.h - Prototypes and macros for the EPI module.
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//
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// Copyright (c) 2008-2010 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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//
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// Texas Instruments (TI) is supplying this software for use solely and
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// exclusively on TI's microcontroller products. The software is owned by
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// TI and/or its suppliers, and is protected under applicable copyright
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// laws. You may not combine this software with "viral" open-source
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// software in order to form a larger program.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS" AND WITH ALL FAULTS.
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// NO WARRANTIES, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT
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// NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. TI SHALL NOT, UNDER ANY
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// CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR CONSEQUENTIAL
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// DAMAGES, FOR ANY REASON WHATSOEVER.
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//
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// This is part of revision 6459 of the Stellaris Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __EPI_H__
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#define __EPI_H__
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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//*****************************************************************************
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//
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// Values that can be passed to EPIModeSet()
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//
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//*****************************************************************************
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#define EPI_MODE_GENERAL 0x00000010
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#define EPI_MODE_SDRAM 0x00000011
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#define EPI_MODE_HB8 0x00000012
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#define EPI_MODE_DISABLE 0x00000000
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//*****************************************************************************
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//
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// Values that can be passed to EPIConfigSDRAMSet()
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//
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//*****************************************************************************
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#define EPI_SDRAM_CORE_FREQ_0_15 0x00000000
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#define EPI_SDRAM_CORE_FREQ_15_30 0x40000000
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#define EPI_SDRAM_CORE_FREQ_30_50 0x80000000
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#define EPI_SDRAM_CORE_FREQ_50_100 0xC0000000
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#define EPI_SDRAM_LOW_POWER 0x00000200
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#define EPI_SDRAM_FULL_POWER 0x00000000
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#define EPI_SDRAM_SIZE_64MBIT 0x00000000
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#define EPI_SDRAM_SIZE_128MBIT 0x00000001
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#define EPI_SDRAM_SIZE_256MBIT 0x00000002
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#define EPI_SDRAM_SIZE_512MBIT 0x00000003
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//*****************************************************************************
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//
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// Values that can be passed to EPIConfigGPModeSet()
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//
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//*****************************************************************************
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#define EPI_GPMODE_CLKPIN 0x80000000
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#define EPI_GPMODE_CLKGATE 0x40000000
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#define EPI_GPMODE_RDYEN 0x10000000
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#define EPI_GPMODE_FRAMEPIN 0x08000000
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#define EPI_GPMODE_FRAME50 0x04000000
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#define EPI_GPMODE_READWRITE 0x00200000
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#define EPI_GPMODE_WRITE2CYCLE 0x00080000
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#define EPI_GPMODE_READ2CYCLE 0x00040000
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#define EPI_GPMODE_ASIZE_NONE 0x00000000
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#define EPI_GPMODE_ASIZE_4 0x00000010
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#define EPI_GPMODE_ASIZE_12 0x00000020
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#define EPI_GPMODE_ASIZE_20 0x00000030
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#define EPI_GPMODE_DSIZE_8 0x00000000
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#define EPI_GPMODE_DSIZE_16 0x00000001
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#define EPI_GPMODE_DSIZE_24 0x00000002
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#define EPI_GPMODE_DSIZE_32 0x00000003
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#define EPI_GPMODE_WORD_ACCESS 0x00000100
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//*****************************************************************************
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//
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// Values that can be passed to EPIConfigHB8ModeSet()
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//
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//*****************************************************************************
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#define EPI_HB8_USE_TXEMPTY 0x00800000
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#define EPI_HB8_USE_RXFULL 0x00400000
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#define EPI_HB8_WRHIGH 0x00200000
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#define EPI_HB8_RDHIGH 0x00100000
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#define EPI_HB8_WRWAIT_0 0x00000000
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#define EPI_HB8_WRWAIT_1 0x00000040
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#define EPI_HB8_WRWAIT_2 0x00000080
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#define EPI_HB8_WRWAIT_3 0x000000C0
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#define EPI_HB8_RDWAIT_0 0x00000000
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#define EPI_HB8_RDWAIT_1 0x00000010
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#define EPI_HB8_RDWAIT_2 0x00000020
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#define EPI_HB8_RDWAIT_3 0x00000030
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#define EPI_HB8_MODE_ADMUX 0x00000000
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#define EPI_HB8_MODE_ADDEMUX 0x00000001
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#define EPI_HB8_MODE_SRAM 0x00000002
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#define EPI_HB8_MODE_FIFO 0x00000003
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#define EPI_HB8_WORD_ACCESS 0x00000100
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#define EPI_HB8_CSCFG_ALE 0x00000000
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#define EPI_HB8_CSCFG_CS 0x00000200
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#define EPI_HB8_CSCFG_DUAL_CS 0x00000400
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#define EPI_HB8_CSCFG_ALE_DUAL_CS 0x00000600
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#define EPI_HB8_CSBAUD_DUAL 0x00000800
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#define EPI_HB8_CSCFG_MASK 0x00000600
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//*****************************************************************************
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//
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// Values that can be passed to EPIConfigSDRAMSet()
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//
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//*****************************************************************************
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#define EPI_ADDR_PER_SIZE_256B 0x00000000
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#define EPI_ADDR_PER_SIZE_64KB 0x00000040
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#define EPI_ADDR_PER_SIZE_16MB 0x00000080
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#define EPI_ADDR_PER_SIZE_256MB 0x000000C0
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#define EPI_ADDR_PER_BASE_NONE 0x00000000
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#define EPI_ADDR_PER_BASE_A 0x00000010
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#define EPI_ADDR_PER_BASE_C 0x00000020
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#define EPI_ADDR_RAM_SIZE_256B 0x00000000
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#define EPI_ADDR_RAM_SIZE_64KB 0x00000004
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#define EPI_ADDR_RAM_SIZE_16MB 0x00000008
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#define EPI_ADDR_RAM_SIZE_256MB 0x0000000C
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#define EPI_ADDR_RAM_BASE_NONE 0x00000000
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#define EPI_ADDR_RAM_BASE_6 0x00000001
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#define EPI_ADDR_RAM_BASE_8 0x00000002
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//*****************************************************************************
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//
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// Values that can be passed to EPINonBlockingReadConfigure()
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//
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//*****************************************************************************
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#define EPI_NBCONFIG_SIZE_8 1
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#define EPI_NBCONFIG_SIZE_16 2
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#define EPI_NBCONFIG_SIZE_32 3
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//*****************************************************************************
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//
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// Values that can be passed to EPIFIFOConfig()
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//
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//*****************************************************************************
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#define EPI_FIFO_CONFIG_WTFULLERR 0x00020000
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#define EPI_FIFO_CONFIG_RSTALLERR 0x00010000
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#define EPI_FIFO_CONFIG_TX_EMPTY 0x00000000
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#define EPI_FIFO_CONFIG_TX_1_4 0x00000020
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#define EPI_FIFO_CONFIG_TX_1_2 0x00000030
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#define EPI_FIFO_CONFIG_TX_3_4 0x00000040
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#define EPI_FIFO_CONFIG_RX_1_8 0x00000001
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#define EPI_FIFO_CONFIG_RX_1_4 0x00000002
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#define EPI_FIFO_CONFIG_RX_1_2 0x00000003
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#define EPI_FIFO_CONFIG_RX_3_4 0x00000004
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#define EPI_FIFO_CONFIG_RX_7_8 0x00000005
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#define EPI_FIFO_CONFIG_RX_FULL 0x00000006
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//*****************************************************************************
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//
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// Values that can be passed to EPIIntEnable(), EPIIntDisable(), or returned
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// as flags from EPIIntStatus()
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//
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//*****************************************************************************
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#define EPI_INT_TXREQ 0x00000004
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#define EPI_INT_RXREQ 0x00000002
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#define EPI_INT_ERR 0x00000001
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//*****************************************************************************
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//
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// Values that can be passed to EPIIntErrorClear(), or returned as flags from
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// EPIIntErrorStatus()
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//
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//*****************************************************************************
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#define EPI_INT_ERR_WTFULL 0x00000004
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#define EPI_INT_ERR_RSTALL 0x00000002
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#define EPI_INT_ERR_TIMEOUT 0x00000001
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//*****************************************************************************
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//
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// API Function prototypes
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//
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//*****************************************************************************
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extern void EPIModeSet(unsigned long ulBase, unsigned long ulMode);
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extern void EPIDividerSet(unsigned long ulBase, unsigned long ulDivider);
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extern void EPIConfigSDRAMSet(unsigned long ulBase, unsigned long ulConfig,
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unsigned long ulRefresh);
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extern void EPIConfigGPModeSet(unsigned long ulBase, unsigned long ulConfig,
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unsigned long ulFrameCount,
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unsigned long ulMaxWait);
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extern void EPIConfigHB8Set(unsigned long ulBase, unsigned long ulConfig,
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unsigned long ulMaxWait);
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extern void EPIAddressMapSet(unsigned long ulBase, unsigned long ulMap);
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extern void EPINonBlockingReadConfigure(unsigned long ulBase,
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unsigned long ulChannel,
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unsigned long ulDataSize,
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unsigned long ulAddress);
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extern void EPINonBlockingReadStart(unsigned long ulBase,
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unsigned long ulChannel,
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unsigned long ulCount);
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extern void EPINonBlockingReadStop(unsigned long ulBase,
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unsigned long ulChannel);
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extern unsigned long EPINonBlockingReadCount(unsigned long ulBase,
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unsigned long ulChannel);
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extern unsigned long EPINonBlockingReadAvail(unsigned long ulBase);
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extern unsigned long EPINonBlockingReadGet32(unsigned long ulBase,
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unsigned long ulCount,
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unsigned long *pulBuf);
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extern unsigned long EPINonBlockingReadGet16(unsigned long ulBase,
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unsigned long ulCount,
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unsigned short *pusBuf);
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extern unsigned long EPINonBlockingReadGet8(unsigned long ulBase,
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unsigned long ulCount,
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unsigned char *pucBuf);
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extern void EPIFIFOConfig(unsigned long ulBase, unsigned long ulConfig);
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extern unsigned long EPIWriteFIFOCountGet(unsigned long ulBase);
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extern void EPIIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
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extern void EPIIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
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extern unsigned long EPIIntStatus(unsigned long ulBase, tBoolean bMasked);
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extern unsigned long EPIIntErrorStatus(unsigned long ulBase);
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extern void EPIIntErrorClear(unsigned long ulBase, unsigned long ulErrFlags);
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extern void EPIIntRegister(unsigned long ulBase, void (*pfnHandler)(void));
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extern void EPIIntUnregister(unsigned long ulBase);
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//*****************************************************************************
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//
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// Several EPI APIs and labels have been renamed, with the original definition
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// name being deprecated. These defines provide backward compatibility.
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//
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//*****************************************************************************
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#ifndef DEPRECATED
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#define EPI_MODE_NONE EPI_MODE_GENERAL
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#define EPI_NONMODE_CLKPIN EPI_GPMODE_CLKPIN
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#define EPI_NONMODE_CLKSTOP EPI_GPMODE_CLKGATE
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#define EPI_NONMODE_CLKENA EPI_GPMODE_RDYEN
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#define EPI_NONMODE_FRAMEPIN EPI_GPMODE_FRAMEPIN
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#define EPI_NONMODE_FRAME50 EPI_GPMODE_FRAME50
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#define EPI_NONMODE_READWRITE EPI_GPMODE_READWRITE
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#define EPI_NONMODE_WRITE2CYCLE EPI_GPMODE_WRITE2CYCLE
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#define EPI_NONMODE_READ2CYCLE EPI_GPMODE_READ2CYCLE
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#define EPI_NONMODE_ASIZE_NONE EPI_GPMODE_ASIZE_NONE
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#define EPI_NONMODE_ASIZE_4 EPI_GPMODE_ASIZE_4
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#define EPI_NONMODE_ASIZE_12 EPI_GPMODE_ASIZE_12
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#define EPI_NONMODE_ASIZE_20 EPI_GPMODE_ASIZE_20
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#define EPI_NONMODE_DSIZE_8 EPI_GPMODE_DSIZE_8
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#define EPI_NONMODE_DSIZE_16 EPI_GPMODE_DSIZE_16
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#define EPI_NONMODE_DSIZE_24 EPI_GPMODE_DSIZE_24
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#define EPI_NONMODE_DSIZE_32 EPI_GPMODE_DSIZE_32
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#define EPI_NONMODE_WORD_ACCESS EPI_GPMODE_WORD_ACCESS
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#define EPINonBlockingWriteCount(a) EPIWriteFIFOCountGet(a)
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#define EPIConfigNoModeSet(a, b, c, d) EPIConfigGPModeSet((a), (b), (c), (d))
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#endif
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif
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#endif // __EPI_H__
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