763 lines
27 KiB
C
763 lines
27 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) 2008-2014 Texas Instruments Incorporated. All rights reserved.
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// Software License Agreement
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions
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// are met:
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//
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// Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// This is part of revision 2.1.0.12573 of the Tiva Peripheral Driver Library.
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//
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//*****************************************************************************
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#ifndef __DRIVERLIB_EPI_H__
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#define __DRIVERLIB_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_HB16 0x00000013
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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 \
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0x00000000
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#define EPI_SDRAM_CORE_FREQ_15_30 \
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0x40000000
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#define EPI_SDRAM_CORE_FREQ_30_50 \
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0x80000000
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#define EPI_SDRAM_CORE_FREQ_50_100 \
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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_FRAME50 0x04000000
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#define EPI_GPMODE_WRITE2CYCLE 0x00080000
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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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//*****************************************************************************
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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_ALE_HIGH 0x00080000
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#define EPI_HB8_ALE_LOW 0x00000000
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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 \
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0x00000600
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#define EPI_HB8_CSCFG_ALE_SINGLE_CS \
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0x00001000
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#define EPI_HB8_CSCFG_QUAD_CS 0x00001200
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#define EPI_HB8_CSCFG_ALE_QUAD_CS \
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0x00001400
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#define EPI_HB8_CSBAUD 0x00000800
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#define EPI_HB8_CLOCK_GATE 0x80000000
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#define EPI_HB8_CLOCK_GATE_IDLE \
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0x40000000
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#define EPI_HB8_CLOCK_INVERT 0x20000000
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#define EPI_HB8_IN_READY_EN 0x10000000
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#define EPI_HB8_IN_READY_EN_INVERT \
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0x18000000
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#define EPI_HB8_CSCFG_MASK 0x00001600
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//*****************************************************************************
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//
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// Values that can be passed to EPIConfigHB16ModeSet()
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//
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//*****************************************************************************
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#define EPI_HB16_USE_TXEMPTY 0x00800000
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#define EPI_HB16_USE_RXFULL 0x00400000
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#define EPI_HB16_WRHIGH 0x00200000
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#define EPI_HB16_RDHIGH 0x00100000
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#define EPI_HB16_WRWAIT_0 0x00000000
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#define EPI_HB16_WRWAIT_1 0x00000040
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#define EPI_HB16_WRWAIT_2 0x00000080
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#define EPI_HB16_WRWAIT_3 0x000000C0
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#define EPI_HB16_RDWAIT_0 0x00000000
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#define EPI_HB16_RDWAIT_1 0x00000010
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#define EPI_HB16_RDWAIT_2 0x00000020
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#define EPI_HB16_RDWAIT_3 0x00000030
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#define EPI_HB16_MODE_ADMUX 0x00000000
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#define EPI_HB16_MODE_ADDEMUX 0x00000001
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#define EPI_HB16_MODE_SRAM 0x00000002
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#define EPI_HB16_MODE_FIFO 0x00000003
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#define EPI_HB16_BSEL 0x00000004
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#define EPI_HB16_WORD_ACCESS 0x00000100
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#define EPI_HB16_CSCFG_ALE 0x00000000
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#define EPI_HB16_CSCFG_CS 0x00000200
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#define EPI_HB16_CSCFG_DUAL_CS 0x00000400
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#define EPI_HB16_CSCFG_ALE_DUAL_CS \
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0x00000600
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#define EPI_HB16_CSCFG_ALE_SINGLE_CS \
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0x00001000
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#define EPI_HB16_CSCFG_QUAD_CS 0x00001200
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#define EPI_HB16_CSCFG_ALE_QUAD_CS \
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0x00001400
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#define EPI_HB16_CLOCK_GATE 0x80000000
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#define EPI_HB16_CLOCK_GATE_IDLE \
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0x40000000
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#define EPI_HB16_CLOCK_INVERT 0x20000000
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#define EPI_HB16_IN_READY_EN 0x10000000
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#define EPI_HB16_IN_READY_EN_INVERTED \
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0x18000000
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#define EPI_HB16_ALE_HIGH 0x00080000
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#define EPI_HB16_ALE_LOW 0x00000000
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#define EPI_HB16_BURST_TRAFFIC 0x00010000
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#define EPI_HB16_CSBAUD 0x00000800
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#define EPI_HB16_CSCFG_MASK 0x00001600
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//*****************************************************************************
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//
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// Values that can be passed to EPIConfigHB8TimingSet().
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//
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//*****************************************************************************
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#define EPI_HB8_IN_READY_DELAY_1 \
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0x01000000
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#define EPI_HB8_IN_READY_DELAY_2 \
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0x02000000
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#define EPI_HB8_IN_READY_DELAY_3 \
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0x03000000
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#define EPI_HB8_CAP_WIDTH_1 0x00001000
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#define EPI_HB8_CAP_WIDTH_2 0x00002000
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#define EPI_HB8_WRWAIT_MINUS_DISABLE \
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0x00000000
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#define EPI_HB8_WRWAIT_MINUS_ENABLE \
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0x00000010
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#define EPI_HB8_RDWAIT_MINUS_DISABLE \
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0x00000000
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#define EPI_HB8_RDWAIT_MINUS_ENABLE \
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0x00000001
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//*****************************************************************************
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//
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// Values that can be passed to EPIConfigHB16TimingSet().
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//
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//*****************************************************************************
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#define EPI_HB16_IN_READY_DELAY_1 \
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0x01000000
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#define EPI_HB16_IN_READY_DELAY_2 \
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0x02000000
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#define EPI_HB16_IN_READY_DELAY_3 \
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0x03000000
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#define EPI_HB16_PSRAM_NO_LIMIT 0x00000000
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#define EPI_HB16_PSRAM_128 0x00010000
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#define EPI_HB16_PSRAM_256 0x00020000
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#define EPI_HB16_PSRAM_512 0x00030000
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#define EPI_HB16_PSRAM_1024 0x00040000
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#define EPI_HB16_PSRAM_2048 0x00050000
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#define EPI_HB16_PSRAM_4096 0x00060000
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#define EPI_HB16_PSRAM_8192 0x00070000
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#define EPI_HB16_CAP_WIDTH_1 0x00001000
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#define EPI_HB16_CAP_WIDTH_2 0x00002000
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#define EPI_HB16_WRWAIT_MINUS_DISABLE \
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0x00000000
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#define EPI_HB16_WRWAIT_MINUS_ENABLE \
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0x00000008
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#define EPI_HB16_RDWAIT_MINUS_DISABLE \
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0x00000000
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#define EPI_HB16_RDWAIT_MINUS_ENABLE \
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0x00000001
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//*****************************************************************************
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//
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// Values that can be passed to EPIAddressMapSet().
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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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#define EPI_ADDR_QUAD_MODE 0x00000033
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#define EPI_ADDR_CODE_SIZE_256B 0x00000000
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#define EPI_ADDR_CODE_SIZE_64KB 0x00000400
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#define EPI_ADDR_CODE_SIZE_16MB 0x00000800
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#define EPI_ADDR_CODE_SIZE_256MB \
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0x00000C00
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#define EPI_ADDR_CODE_BASE_NONE 0x00000000
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#define EPI_ADDR_CODE_BASE_1 0x00000100
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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 \
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0x00020000
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#define EPI_FIFO_CONFIG_RSTALLERR \
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0x00010000
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#define EPI_FIFO_CONFIG_TX_EMPTY \
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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_DMA_TX_DONE 0x00000010
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#define EPI_INT_DMA_RX_DONE 0x00000008
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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_DMAWRIC 0x00000010
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#define EPI_INT_ERR_DMARDIC 0x00000008
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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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#ifdef rvmdk
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//*****************************************************************************
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//
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// Keil case.
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//
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//*****************************************************************************
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inline void
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EPIWorkaroundWordWrite(uint32_t *pui32Addr, uint32_t ui32Value)
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{
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uint32_t ui32Scratch;
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__asm
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{
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//
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// Add a NOP to ensure we don<6F>t have a flash read immediately before
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// the EPI read.
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//
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NOP
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//
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// Perform the write we're actually interested in.
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//
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STR ui32Value, [pui32Addr]
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//
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// Read from SRAM to ensure that we don't have an EPI write followed by
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// a flash read.
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//
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LDR ui32Scratch, [__current_sp()]
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}
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}
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inline uint32_t
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EPIWorkaroundWordRead(uint32_t *pui32Addr)
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{
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uint32_t ui32Value, ui32Scratch;
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__asm
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{
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//
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// Add a NOP to ensure we don<6F>t have a flash read immediately before
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// the EPI read.
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//
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NOP
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//
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// Perform the read we're actually interested in.
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//
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LDR ui32Value, [pui32Addr]
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//
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// Read from SRAM to ensure that we don't have an EPI read followed by
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// a flash read.
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//
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LDR ui32Scratch, [__current_sp()]
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}
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return(ui32Value);
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}
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inline void
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EPIWorkaroundHWordWrite(uint16_t *pui16Addr, uint16_t ui16Value)
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{
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uint32_t ui32Scratch;
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__asm
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{
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//
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// Add a NOP to ensure we don<6F>t have a flash read immediately before
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// the EPI read.
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//
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NOP
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//
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// Perform the write we're actually interested in.
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//
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STRH ui16Value, [pui16Addr]
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//
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// Read from SRAM to ensure that we don't have an EPI write followed by
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// a flash read.
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//
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LDR ui32Scratch, [__current_sp()]
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}
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}
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inline uint16_t
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EPIWorkaroundHWordRead(uint16_t *pui16Addr)
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{
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uint32_t ui32Scratch;
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uint16_t ui16Value;
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__asm
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{
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//
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// Add a NOP to ensure we don<6F>t have a flash read immediately before
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// the EPI read.
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//
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NOP
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//
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// Perform the read we're actually interested in.
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//
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LDRH ui16Value, [pui16Addr]
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//
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// Read from SRAM to ensure that we don't have an EPI read followed by
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// a flash read.
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//
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LDR ui32Scratch, [__current_sp()]
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}
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return(ui16Value);
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}
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inline void
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EPIWorkaroundByteWrite(uint8_t *pui8Addr, uint8_t ui8Value)
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{
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uint32_t ui32Scratch;
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__asm
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{
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//
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// Add a NOP to ensure we don<6F>t have a flash read immediately before
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// the EPI read.
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//
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NOP
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//
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// Perform the write we're actually interested in.
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//
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STRB ui8Value, [pui8Addr]
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//
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// Read from SRAM to ensure that we don't have an EPI write followed by
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// a flash read.
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//
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LDR ui32Scratch, [__current_sp()]
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}
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}
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inline uint8_t
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EPIWorkaroundByteRead(uint8_t *pui8Addr)
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{
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uint32_t ui32Scratch;
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uint8_t ui8Value;
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__asm
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{
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//
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// Add a NOP to ensure we don<6F>t have a flash read immediately before
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// the EPI read.
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//
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NOP
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//
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// Perform the read we're actually interested in.
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||
//
|
||
LDRB ui8Value, [pui8Addr]
|
||
|
||
//
|
||
// Read from SRAM to ensure that we don't have an EPI read followed by
|
||
// a flash read.
|
||
//
|
||
LDR ui32Scratch, [__current_sp()]
|
||
}
|
||
|
||
return(ui8Value);
|
||
}
|
||
#endif
|
||
|
||
#ifdef ccs
|
||
//*****************************************************************************
|
||
//
|
||
// Code Composer Studio versions of these functions can be found in separate
|
||
// source file epi_workaround_ccs.s.
|
||
//
|
||
//*****************************************************************************
|
||
extern void EPIWorkaroundWordWrite(uint32_t *pui32Addr, uint32_t ui32Value);
|
||
extern uint32_t EPIWorkaroundWordRead(uint32_t *pui32Addr);
|
||
extern void EPIWorkaroundHWordWrite(uint16_t *pui16Addr, uint16_t ui16Value);
|
||
extern uint16_t EPIWorkaroundHWordRead(uint16_t *pui16Addr);
|
||
extern void EPIWorkaroundByteWrite(uint8_t *pui8Addr, uint8_t ui8Value);
|
||
extern uint8_t EPIWorkaroundByteRead(uint8_t *pui8Addr);
|
||
|
||
#endif
|
||
|
||
#if (defined gcc) || (defined ewarm) || (defined sourcerygxx) || \
|
||
(defined codered)
|
||
//*****************************************************************************
|
||
//
|
||
// GCC-based toolchain and IAR case.
|
||
//
|
||
//*****************************************************************************
|
||
inline void
|
||
EPIWorkaroundWordWrite(uint32_t *pui32Addr, uint32_t ui32Value)
|
||
{
|
||
volatile register uint32_t ui32Scratch;
|
||
|
||
__asm volatile (
|
||
//
|
||
// Add a NOP to ensure we don<6F>t have a flash read immediately before
|
||
// the EPI read.
|
||
//
|
||
" NOP\n"
|
||
" STR %[value],[%[addr]]\n"
|
||
" LDR %[scratch],[sp]\n"
|
||
: [scratch] "=r" (ui32Scratch)
|
||
: [addr] "r" (pui32Addr), [value] "r" (ui32Value)
|
||
);
|
||
|
||
//
|
||
// Keep the compiler from generating a warning.
|
||
//
|
||
ui32Scratch = ui32Scratch;
|
||
}
|
||
|
||
inline uint32_t
|
||
EPIWorkaroundWordRead(uint32_t *pui32Addr)
|
||
{
|
||
volatile register uint32_t ui32Data, ui32Scratch;
|
||
|
||
//
|
||
// ui32Scratch is not used other than to add a padding read following the
|
||
// "real" read.
|
||
//
|
||
|
||
__asm volatile(
|
||
//
|
||
// Add a NOP to ensure we don<6F>t have a flash read immediately before
|
||
// the EPI read.
|
||
//
|
||
" NOP\n"
|
||
" LDR %[ret],[%[addr]]\n"
|
||
" LDR %[scratch],[sp]\n"
|
||
: [ret] "=r" (ui32Data),
|
||
[scratch] "=r" (ui32Scratch)
|
||
: [addr] "r" (pui32Addr)
|
||
);
|
||
|
||
|
||
//
|
||
// Keep the compiler from generating a warning.
|
||
//
|
||
ui32Scratch = ui32Scratch;
|
||
|
||
return(ui32Data);
|
||
}
|
||
|
||
inline void
|
||
EPIWorkaroundHWordWrite(uint16_t *pui16Addr, uint16_t ui16Value)
|
||
{
|
||
volatile register uint32_t ui32Scratch;
|
||
|
||
__asm volatile (
|
||
//
|
||
// Add a NOP to ensure we don<6F>t have a flash read immediately before
|
||
// the EPI read.
|
||
//
|
||
" NOP\n"
|
||
" STRH %[value],[%[addr]]\n"
|
||
" LDR %[scratch],[sp]\n"
|
||
: [scratch] "=r" (ui32Scratch)
|
||
: [addr] "r" (pui16Addr), [value] "r" (ui16Value)
|
||
);
|
||
|
||
|
||
//
|
||
// Keep the compiler from generating a warning.
|
||
//
|
||
ui32Scratch = ui32Scratch;
|
||
}
|
||
|
||
inline uint16_t
|
||
EPIWorkaroundHWordRead(uint16_t *pui16Addr)
|
||
{
|
||
register uint16_t ui16Data;
|
||
register uint32_t ui32Scratch;
|
||
|
||
//
|
||
// ui32Scratch is not used other than to add a padding read following the
|
||
// "real" read.
|
||
//
|
||
|
||
__asm volatile(
|
||
//
|
||
// Add a NOP to ensure we don<6F>t have a flash read immediately before
|
||
// the EPI read.
|
||
//
|
||
" NOP\n"
|
||
" LDRH %[ret],[%[addr]]\n"
|
||
" LDR %[scratch],[sp]\n"
|
||
: [ret] "=r" (ui16Data),
|
||
[scratch] "=r" (ui32Scratch)
|
||
: [addr] "r" (pui16Addr)
|
||
);
|
||
|
||
//
|
||
// Keep the compiler from generating a warning.
|
||
//
|
||
ui32Scratch = ui32Scratch;
|
||
|
||
return(ui16Data);
|
||
}
|
||
|
||
inline void
|
||
EPIWorkaroundByteWrite(uint8_t *pui8Addr, uint8_t ui8Value)
|
||
{
|
||
volatile register uint32_t ui32Scratch;
|
||
|
||
__asm volatile (
|
||
//
|
||
// Add a NOP to ensure we don<6F>t have a flash read immediately before
|
||
// the EPI read.
|
||
//
|
||
" NOP\n"
|
||
" STRB %[value],[%[addr]]\n"
|
||
" LDR %[scratch],[sp]\n"
|
||
: [scratch] "=r" (ui32Scratch)
|
||
: [addr] "r" (pui8Addr), [value] "r" (ui8Value)
|
||
);
|
||
|
||
//
|
||
// Keep the compiler from generating a warning.
|
||
//
|
||
ui32Scratch = ui32Scratch;
|
||
}
|
||
|
||
inline uint8_t
|
||
EPIWorkaroundByteRead(uint8_t *pui8Addr)
|
||
{
|
||
register uint8_t ui8Data;
|
||
register uint32_t ui32Scratch;
|
||
|
||
//
|
||
// ui32Scratch is not used other than to add a padding read following the
|
||
// "real" read.
|
||
//
|
||
|
||
__asm volatile(
|
||
//
|
||
// Add a NOP to ensure we don<6F>t have a flash read immediately before
|
||
// the EPI read.
|
||
//
|
||
" NOP\n"
|
||
" LDRB %[ret],[%[addr]]\n"
|
||
" LDR %[scratch],[sp]\n"
|
||
: [ret] "=r" (ui8Data),
|
||
[scratch] "=r" (ui32Scratch)
|
||
: [addr] "r" (pui8Addr)
|
||
);
|
||
|
||
//
|
||
// Keep the compiler from generating a warning.
|
||
//
|
||
ui32Scratch = ui32Scratch;
|
||
|
||
return(ui8Data);
|
||
}
|
||
#endif
|
||
|
||
//*****************************************************************************
|
||
//
|
||
// API Function prototypes
|
||
//
|
||
//*****************************************************************************
|
||
extern void EPIModeSet(uint32_t ui32Base, uint32_t ui32Mode);
|
||
extern void EPIDividerSet(uint32_t ui32Base, uint32_t ui32Divider);
|
||
extern void EPIDividerCSSet(uint32_t ui32Base, uint32_t ui32CS,
|
||
uint32_t ui32Divider);
|
||
extern void EPIDMATxCount(uint32_t ui32Base, uint32_t ui32Count);
|
||
extern void EPIConfigGPModeSet(uint32_t ui32Base, uint32_t ui32Config,
|
||
uint32_t ui32FrameCount, uint32_t ui32MaxWait);
|
||
extern void EPIConfigHB8Set(uint32_t ui32Base, uint32_t ui32Config,
|
||
uint32_t ui32MaxWait);
|
||
extern void EPIConfigHB16Set(uint32_t ui32Base, uint32_t ui32Config,
|
||
uint32_t ui32MaxWait);
|
||
extern void EPIConfigHB8CSSet(uint32_t ui32Base, uint32_t ui32CS,
|
||
uint32_t ui32Config);
|
||
extern void EPIConfigHB16CSSet(uint32_t ui32Base, uint32_t ui32CS,
|
||
uint32_t ui32Config);
|
||
extern void EPIConfigHB8TimingSet(uint32_t ui32Base, uint32_t ui32CS,
|
||
uint32_t ui32Config);
|
||
extern void EPIConfigHB16TimingSet(uint32_t ui32Base, uint32_t ui32CS,
|
||
uint32_t ui32Config);
|
||
extern void EPIPSRAMConfigRegSet(uint32_t ui32Base, uint32_t ui32CS,
|
||
uint32_t ui32CR);
|
||
extern void EPIPSRAMConfigRegRead(uint32_t ui32Base, uint32_t ui32CS);
|
||
extern bool EPIPSRAMConfigRegGetNonBlocking(uint32_t ui32Base,
|
||
uint32_t ui32CS,
|
||
uint32_t *pui32CR);
|
||
extern uint32_t EPIPSRAMConfigRegGet(uint32_t ui32Base, uint32_t ui32CS);
|
||
extern void EPIConfigSDRAMSet(uint32_t ui32Base, uint32_t ui32Config,
|
||
uint32_t ui32Refresh);
|
||
extern void EPIAddressMapSet(uint32_t ui32Base, uint32_t ui32Map);
|
||
extern void EPINonBlockingReadConfigure(uint32_t ui32Base,
|
||
uint32_t ui32Channel,
|
||
uint32_t ui32DataSize,
|
||
uint32_t ui32Address);
|
||
extern void EPINonBlockingReadStart(uint32_t ui32Base,
|
||
uint32_t ui32Channel,
|
||
uint32_t ui32Count);
|
||
extern void EPINonBlockingReadStop(uint32_t ui32Base,
|
||
uint32_t ui32Channel);
|
||
extern uint32_t EPINonBlockingReadCount(uint32_t ui32Base,
|
||
uint32_t ui32Channel);
|
||
extern uint32_t EPINonBlockingReadAvail(uint32_t ui32Base);
|
||
extern uint32_t EPINonBlockingReadGet32(uint32_t ui32Base,
|
||
uint32_t ui32Count,
|
||
uint32_t *pui32Buf);
|
||
extern uint32_t EPINonBlockingReadGet16(uint32_t ui32Base,
|
||
uint32_t ui32Count,
|
||
uint16_t *pui16Buf);
|
||
extern uint32_t EPINonBlockingReadGet8(uint32_t ui32Base,
|
||
uint32_t ui32Count,
|
||
uint8_t *pui8Buf);
|
||
extern void EPIFIFOConfig(uint32_t ui32Base, uint32_t ui32Config);
|
||
extern uint32_t EPIWriteFIFOCountGet(uint32_t ui32Base);
|
||
extern void EPIIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags);
|
||
extern void EPIIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags);
|
||
extern uint32_t EPIIntStatus(uint32_t ui32Base, bool bMasked);
|
||
extern uint32_t EPIIntErrorStatus(uint32_t ui32Base);
|
||
extern void EPIIntErrorClear(uint32_t ui32Base, uint32_t ui32ErrFlags);
|
||
extern void EPIIntRegister(uint32_t ui32Base, void (*pfnHandler)(void));
|
||
extern void EPIIntUnregister(uint32_t ui32Base);
|
||
|
||
//*****************************************************************************
|
||
//
|
||
// Mark the end of the C bindings section for C++ compilers.
|
||
//
|
||
//*****************************************************************************
|
||
#ifdef __cplusplus
|
||
}
|
||
#endif
|
||
|
||
#endif // __DRIVERLIB_EPI_H__
|