230 lines
11 KiB
C
230 lines
11 KiB
C
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//*****************************************************************************
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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) 2008-2009 Luminary Micro, Inc. All rights reserved.
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// Software License Agreement
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//
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// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
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// exclusively on LMI's microcontroller products.
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//
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// The software is owned by LMI and/or its suppliers, and is protected under
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// applicable copyright laws. All rights are reserved. You may not combine
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// this software with "viral" open-source software in order to form a larger
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// program. Any use in violation of the foregoing restrictions may subject
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// the user to criminal sanctions under applicable laws, as well as to civil
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// liability for the breach of the terms and conditions of this license.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
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// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
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//
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// This is part of revision 4694 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_NONE 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 EPIConfigNoModeSet()
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//
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//*****************************************************************************
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#define EPI_NONMODE_CLKPIN 0x80000000
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#define EPI_NONMODE_CLKSTOP 0x40000000
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#define EPI_NONMODE_CLKENA 0x10000000
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#define EPI_NONMODE_FRAMEPIN 0x08000000
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#define EPI_NONMODE_FRAME50 0x04000000
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#define EPI_NONMODE_READWRITE 0x00200000
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#define EPI_NONMODE_WRITE2CYCLE 0x00080000
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#define EPI_NONMODE_READ2CYCLE 0x00040000
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#define EPI_NONMODE_ASIZE_NONE 0x00000000
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#define EPI_NONMODE_ASIZE_4 0x00000010
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#define EPI_NONMODE_ASIZE_12 0x00000020
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#define EPI_NONMODE_ASIZE_20 0x00000030
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#define EPI_NONMODE_DSIZE_8 0x00000000
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#define EPI_NONMODE_DSIZE_16 0x00000001
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#define EPI_NONMODE_DSIZE_24 0x00000002
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#define EPI_NONMODE_DSIZE_32 0x00000003
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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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//*****************************************************************************
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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_512MB 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_512MB 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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void EPIModeSet(unsigned long ulBase, unsigned long ulMode);
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void EPIDividerSet(unsigned long ulBase, unsigned long ulDivider);
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void EPIConfigSDRAMSet(unsigned long ulBase, unsigned long ulConfig,
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unsigned long ulRefresh);
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void EPIConfigNoModeSet(unsigned long ulBase, unsigned long ulConfig,
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unsigned long ulFrameCount, unsigned long ulMaxWait);
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void EPIConfigHB8Set(unsigned long ulBase, unsigned long ulConfig,
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unsigned long ulMaxWait);
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void EPIAddressMapSet(unsigned long ulBase, unsigned long ulMap);
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void EPINonBlockingReadConfigure(unsigned long ulBase, unsigned long ulChannel,
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unsigned long ulDataSize, unsigned long ulAddress);
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void EPINonBlockingReadStart(unsigned long ulBase, unsigned long ulChannel,
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unsigned long ulCount);
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void EPINonBlockingReadStop(unsigned long ulBase, unsigned long ulChannel);
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unsigned long EPINonBlockingReadCount(unsigned long ulBase,
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unsigned long ulChannel);
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unsigned long EPINonBlockingReadAvail(unsigned long ulBase);
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unsigned long EPINonBlockingReadGet32(unsigned long ulBase,
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unsigned long ulCount,
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unsigned long *pulBuf);
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unsigned long EPINonBlockingReadGet16(unsigned long ulBase,
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unsigned long ulCount,
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unsigned short *pusBuf);
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unsigned long EPINonBlockingReadGet8(unsigned long ulBase,
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unsigned long ulCount,
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unsigned char *pucBuf);
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void EPIFIFOConfig(unsigned long ulBase, unsigned long ulConfig);
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unsigned long EPINonBlockingWriteCount(unsigned long ulBase);
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void EPIIntEnable(unsigned long ulBase, unsigned long ulIntFlags);
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void EPIIntDisable(unsigned long ulBase, unsigned long ulIntFlags);
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unsigned long EPIIntStatus(unsigned long ulBase, tBoolean bMasked);
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unsigned long EPIIntErrorStatus(unsigned long ulBase);
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void EPIIntErrorClear(unsigned long ulBase, unsigned long ulErrFlags);
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void EPIIntRegister(unsigned long ulBase, void (*pfnHandler)(void));
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void EPIIntUnregister(unsigned long ulBase);
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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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