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rt-thread/bsp/tm4c129x/libraries/driverlib/epi.h

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[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
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//*****************************************************************************
//
// epi.h - Prototypes and macros for the EPI module.
//
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// Copyright (c) 2008-2020 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
// modification, are permitted provided that the following conditions
// are met:
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//
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// Redistributions of source code must retain the above copyright
// 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
// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
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// distribution.
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//
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// Neither the name of Texas Instruments Incorporated nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
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//
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
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//
// This is part of revision 2.2.0.295 of the Tiva Peripheral Driver Library.
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
//
//*****************************************************************************
#ifndef __DRIVERLIB_EPI_H__
#define __DRIVERLIB_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_FRAME50 0x04000000
#define EPI_GPMODE_WRITE2CYCLE 0x00080000
#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
//*****************************************************************************
//
// 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_ALE_HIGH 0x00080000
#define EPI_HB8_ALE_LOW 0x00000000
#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_CSCFG_ALE_SINGLE_CS \
0x00001000
#define EPI_HB8_CSCFG_QUAD_CS 0x00001200
#define EPI_HB8_CSCFG_ALE_QUAD_CS \
0x00001400
#define EPI_HB8_CSBAUD 0x00000800
#define EPI_HB8_CLOCK_GATE 0x80000000
#define EPI_HB8_CLOCK_GATE_IDLE \
0x40000000
#define EPI_HB8_CLOCK_INVERT 0x20000000
#define EPI_HB8_IN_READY_EN 0x10000000
#define EPI_HB8_IN_READY_EN_INVERT \
0x18000000
#define EPI_HB8_CSCFG_MASK 0x00001600
//*****************************************************************************
//
// 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_CSCFG_ALE_SINGLE_CS \
0x00001000
#define EPI_HB16_CSCFG_QUAD_CS 0x00001200
#define EPI_HB16_CSCFG_ALE_QUAD_CS \
0x00001400
#define EPI_HB16_CLOCK_GATE 0x80000000
#define EPI_HB16_CLOCK_GATE_IDLE \
0x40000000
#define EPI_HB16_CLOCK_INVERT 0x20000000
#define EPI_HB16_IN_READY_EN 0x10000000
#define EPI_HB16_IN_READY_EN_INVERTED \
0x18000000
#define EPI_HB16_ALE_HIGH 0x00080000
#define EPI_HB16_ALE_LOW 0x00000000
#define EPI_HB16_BURST_TRAFFIC 0x00010000
#define EPI_HB16_CSBAUD 0x00000800
#define EPI_HB16_CSCFG_MASK 0x00001600
//*****************************************************************************
//
// Values that can be passed to EPIConfigHB8TimingSet().
//
//*****************************************************************************
#define EPI_HB8_IN_READY_DELAY_1 \
0x01000000
#define EPI_HB8_IN_READY_DELAY_2 \
0x02000000
#define EPI_HB8_IN_READY_DELAY_3 \
0x03000000
#define EPI_HB8_CAP_WIDTH_1 0x00001000
#define EPI_HB8_CAP_WIDTH_2 0x00002000
#define EPI_HB8_WRWAIT_MINUS_DISABLE \
0x00000000
#define EPI_HB8_WRWAIT_MINUS_ENABLE \
0x00000010
#define EPI_HB8_RDWAIT_MINUS_DISABLE \
0x00000000
#define EPI_HB8_RDWAIT_MINUS_ENABLE \
0x00000001
//*****************************************************************************
//
// Values that can be passed to EPIConfigHB16TimingSet().
//
//*****************************************************************************
#define EPI_HB16_IN_READY_DELAY_1 \
0x01000000
#define EPI_HB16_IN_READY_DELAY_2 \
0x02000000
#define EPI_HB16_IN_READY_DELAY_3 \
0x03000000
#define EPI_HB16_PSRAM_NO_LIMIT 0x00000000
#define EPI_HB16_PSRAM_128 0x00010000
#define EPI_HB16_PSRAM_256 0x00020000
#define EPI_HB16_PSRAM_512 0x00030000
#define EPI_HB16_PSRAM_1024 0x00040000
#define EPI_HB16_PSRAM_2048 0x00050000
#define EPI_HB16_PSRAM_4096 0x00060000
#define EPI_HB16_PSRAM_8192 0x00070000
#define EPI_HB16_CAP_WIDTH_1 0x00001000
#define EPI_HB16_CAP_WIDTH_2 0x00002000
#define EPI_HB16_WRWAIT_MINUS_DISABLE \
0x00000000
#define EPI_HB16_WRWAIT_MINUS_ENABLE \
0x00000008
#define EPI_HB16_RDWAIT_MINUS_DISABLE \
0x00000000
#define EPI_HB16_RDWAIT_MINUS_ENABLE \
0x00000001
//*****************************************************************************
//
// Values that can be passed to EPIAddressMapSet().
//
//*****************************************************************************
#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
#define EPI_ADDR_QUAD_MODE 0x00000033
#define EPI_ADDR_CODE_SIZE_256B 0x00000000
#define EPI_ADDR_CODE_SIZE_64KB 0x00000400
#define EPI_ADDR_CODE_SIZE_16MB 0x00000800
#define EPI_ADDR_CODE_SIZE_256MB \
0x00000C00
#define EPI_ADDR_CODE_BASE_NONE 0x00000000
#define EPI_ADDR_CODE_BASE_1 0x00000100
//*****************************************************************************
//
// 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_DMA_TX_DONE 0x00000010
#define EPI_INT_DMA_RX_DONE 0x00000008
#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_DMAWRIC 0x00000010
#define EPI_INT_ERR_DMARDIC 0x00000008
#define EPI_INT_ERR_WTFULL 0x00000004
#define EPI_INT_ERR_RSTALL 0x00000002
#define EPI_INT_ERR_TIMEOUT 0x00000001
#ifdef rvmdk
//*****************************************************************************
//
// Keil case.
//
//*****************************************************************************
inline void
EPIWorkaroundWordWrite(uint32_t *pui32Addr, uint32_t ui32Value)
{
uint32_t ui32Scratch;
__asm
{
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
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// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// the EPI read.
//
NOP
//
// Perform the write we're actually interested in.
//
STR ui32Value, [pui32Addr]
//
// Read from SRAM to ensure that we don't have an EPI write followed by
// a flash read.
//
LDR ui32Scratch, [__current_sp()]
}
}
inline uint32_t
EPIWorkaroundWordRead(uint32_t *pui32Addr)
{
uint32_t ui32Value, ui32Scratch;
__asm
{
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
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// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// the EPI read.
//
NOP
//
// Perform the read we're actually interested in.
//
LDR ui32Value, [pui32Addr]
//
// Read from SRAM to ensure that we don't have an EPI read followed by
// a flash read.
//
LDR ui32Scratch, [__current_sp()]
}
return(ui32Value);
}
inline void
EPIWorkaroundHWordWrite(uint16_t *pui16Addr, uint16_t ui16Value)
{
uint32_t ui32Scratch;
__asm
{
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
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// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// the EPI read.
//
NOP
//
// Perform the write we're actually interested in.
//
STRH ui16Value, [pui16Addr]
//
// Read from SRAM to ensure that we don't have an EPI write followed by
// a flash read.
//
LDR ui32Scratch, [__current_sp()]
}
}
inline uint16_t
EPIWorkaroundHWordRead(uint16_t *pui16Addr)
{
uint32_t ui32Scratch;
uint16_t ui16Value;
__asm
{
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
2021-06-26 12:37:09 +08:00
// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// the EPI read.
//
NOP
//
// Perform the read we're actually interested in.
//
LDRH ui16Value, [pui16Addr]
//
// Read from SRAM to ensure that we don't have an EPI read followed by
// a flash read.
//
LDR ui32Scratch, [__current_sp()]
}
return(ui16Value);
}
inline void
EPIWorkaroundByteWrite(uint8_t *pui8Addr, uint8_t ui8Value)
{
uint32_t ui32Scratch;
__asm
{
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
2021-06-26 12:37:09 +08:00
// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// the EPI read.
//
NOP
//
// Perform the write we're actually interested in.
//
STRB ui8Value, [pui8Addr]
//
// Read from SRAM to ensure that we don't have an EPI write followed by
// a flash read.
//
LDR ui32Scratch, [__current_sp()]
}
}
inline uint8_t
EPIWorkaroundByteRead(uint8_t *pui8Addr)
{
uint32_t ui32Scratch;
uint8_t ui8Value;
__asm
{
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
2021-06-26 12:37:09 +08:00
// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// the EPI read.
//
NOP
//
// Perform the read we're actually interested in.
//
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 (
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
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// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// 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(
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
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// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// 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 (
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
2021-06-26 12:37:09 +08:00
// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// 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(
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
2021-06-26 12:37:09 +08:00
// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// 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 (
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
2021-06-26 12:37:09 +08:00
// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// 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(
//
[bsp][tm4c129x] Upgrade the Tiva Peripheral Driver Library to version 2.2.0.295.
2021-06-26 12:37:09 +08:00
// Add a NOP to ensure we don抰 have a flash read immediately before
[bsp] Add BSP for TM4C1294XL (TI Tiva C Series Connected LaunchPad)
2014-07-18 17:17:56 +08:00
// 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__