rt-thread/bsp/tm4c129x/libraries/inc/hw_epi.h

//*****************************************************************************
//
// hw_epi.h - Macros for use in accessing the EPI registers.
//
// Copyright (c) 2008-2014 Texas Instruments Incorporated.  All rights reserved.
// Software License Agreement
// 
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//   modification, are permitted provided that the following conditions
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// 
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//   notice, this list of conditions and the following disclaimer.
// 
//   Redistributions in binary form must reproduce the above copyright
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//   distribution.
// 
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// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 
// This is part of revision 2.1.0.12573 of the Tiva Firmware Development Package.
//
//*****************************************************************************

#ifndef __HW_EPI_H__
#define __HW_EPI_H__

//*****************************************************************************
//
// The following are defines for the External Peripheral Interface register
// offsets.
//
//*****************************************************************************
#define EPI_O_CFG               0x00000000  // EPI Configuration
#define EPI_O_BAUD              0x00000004  // EPI Main Baud Rate
#define EPI_O_BAUD2             0x00000008  // EPI Main Baud Rate
#define EPI_O_HB16CFG           0x00000010  // EPI Host-Bus 16 Configuration
#define EPI_O_GPCFG             0x00000010  // EPI General-Purpose
                                            // Configuration
#define EPI_O_SDRAMCFG          0x00000010  // EPI SDRAM Configuration
#define EPI_O_HB8CFG            0x00000010  // EPI Host-Bus 8 Configuration
#define EPI_O_HB8CFG2           0x00000014  // EPI Host-Bus 8 Configuration 2
#define EPI_O_HB16CFG2          0x00000014  // EPI Host-Bus 16 Configuration 2
#define EPI_O_ADDRMAP           0x0000001C  // EPI Address Map
#define EPI_O_RSIZE0            0x00000020  // EPI Read Size 0
#define EPI_O_RADDR0            0x00000024  // EPI Read Address 0
#define EPI_O_RPSTD0            0x00000028  // EPI Non-Blocking Read Data 0
#define EPI_O_RSIZE1            0x00000030  // EPI Read Size 1
#define EPI_O_RADDR1            0x00000034  // EPI Read Address 1
#define EPI_O_RPSTD1            0x00000038  // EPI Non-Blocking Read Data 1
#define EPI_O_STAT              0x00000060  // EPI Status
#define EPI_O_RFIFOCNT          0x0000006C  // EPI Read FIFO Count
#define EPI_O_READFIFO0         0x00000070  // EPI Read FIFO
#define EPI_O_READFIFO1         0x00000074  // EPI Read FIFO Alias 1
#define EPI_O_READFIFO2         0x00000078  // EPI Read FIFO Alias 2
#define EPI_O_READFIFO3         0x0000007C  // EPI Read FIFO Alias 3
#define EPI_O_READFIFO4         0x00000080  // EPI Read FIFO Alias 4
#define EPI_O_READFIFO5         0x00000084  // EPI Read FIFO Alias 5
#define EPI_O_READFIFO6         0x00000088  // EPI Read FIFO Alias 6
#define EPI_O_READFIFO7         0x0000008C  // EPI Read FIFO Alias 7
#define EPI_O_FIFOLVL           0x00000200  // EPI FIFO Level Selects
#define EPI_O_WFIFOCNT          0x00000204  // EPI Write FIFO Count
#define EPI_O_DMATXCNT          0x00000208  // EPI DMA Transmit Count
#define EPI_O_IM                0x00000210  // EPI Interrupt Mask
#define EPI_O_RIS               0x00000214  // EPI Raw Interrupt Status
#define EPI_O_MIS               0x00000218  // EPI Masked Interrupt Status
#define EPI_O_EISC              0x0000021C  // EPI Error and Interrupt Status
                                            // and Clear
#define EPI_O_HB8CFG3           0x00000308  // EPI Host-Bus 8 Configuration 3
#define EPI_O_HB16CFG3          0x00000308  // EPI Host-Bus 16 Configuration 3
#define EPI_O_HB16CFG4          0x0000030C  // EPI Host-Bus 16 Configuration 4
#define EPI_O_HB8CFG4           0x0000030C  // EPI Host-Bus 8 Configuration 4
#define EPI_O_HB8TIME           0x00000310  // EPI Host-Bus 8 Timing Extension
#define EPI_O_HB16TIME          0x00000310  // EPI Host-Bus 16 Timing Extension
#define EPI_O_HB8TIME2          0x00000314  // EPI Host-Bus 8 Timing Extension
#define EPI_O_HB16TIME2         0x00000314  // EPI Host-Bus 16 Timing Extension
#define EPI_O_HB16TIME3         0x00000318  // EPI Host-Bus 16 Timing Extension
#define EPI_O_HB8TIME3          0x00000318  // EPI Host-Bus 8 Timing Extension
#define EPI_O_HB8TIME4          0x0000031C  // EPI Host-Bus 8 Timing Extension
#define EPI_O_HB16TIME4         0x0000031C  // EPI Host-Bus 16 Timing Extension
#define EPI_O_HBPSRAM           0x00000360  // EPI Host-Bus PSRAM

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_CFG register.
//
//*****************************************************************************
#define EPI_CFG_INTDIV          0x00000100  // Integer Clock Divider Enable
#define EPI_CFG_BLKEN           0x00000010  // Block Enable
#define EPI_CFG_MODE_M          0x0000000F  // Mode Select
#define EPI_CFG_MODE_NONE       0x00000000  // General Purpose
#define EPI_CFG_MODE_SDRAM      0x00000001  // SDRAM
#define EPI_CFG_MODE_HB8        0x00000002  // 8-Bit Host-Bus (HB8)
#define EPI_CFG_MODE_HB16       0x00000003  // 16-Bit Host-Bus (HB16)

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_BAUD register.
//
//*****************************************************************************
#define EPI_BAUD_COUNT1_M       0xFFFF0000  // Baud Rate Counter 1
#define EPI_BAUD_COUNT0_M       0x0000FFFF  // Baud Rate Counter 0
#define EPI_BAUD_COUNT1_S       16
#define EPI_BAUD_COUNT0_S       0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_BAUD2 register.
//
//*****************************************************************************
#define EPI_BAUD2_COUNT1_M      0xFFFF0000  // CS3n Baud Rate Counter 1
#define EPI_BAUD2_COUNT0_M      0x0000FFFF  // CS2n Baud Rate Counter 0
#define EPI_BAUD2_COUNT1_S      16
#define EPI_BAUD2_COUNT0_S      0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB16CFG register.
//
//*****************************************************************************
#define EPI_HB16CFG_CLKGATE     0x80000000  // Clock Gated
#define EPI_HB16CFG_CLKGATEI    0x40000000  // Clock Gated Idle
#define EPI_HB16CFG_CLKINV      0x20000000  // Invert Output Clock Enable
#define EPI_HB16CFG_RDYEN       0x10000000  // Input Ready Enable
#define EPI_HB16CFG_IRDYINV     0x08000000  // Input Ready Invert
#define EPI_HB16CFG_XFFEN       0x00800000  // External FIFO FULL Enable
#define EPI_HB16CFG_XFEEN       0x00400000  // External FIFO EMPTY Enable
#define EPI_HB16CFG_WRHIGH      0x00200000  // WRITE Strobe Polarity
#define EPI_HB16CFG_RDHIGH      0x00100000  // READ Strobe Polarity
#define EPI_HB16CFG_ALEHIGH     0x00080000  // ALE Strobe Polarity
#define EPI_HB16CFG_WRCRE       0x00040000  // PSRAM Configuration Register
                                            // Write
#define EPI_HB16CFG_RDCRE       0x00020000  // PSRAM Configuration Register
                                            // Read
#define EPI_HB16CFG_BURST       0x00010000  // Burst Mode
#define EPI_HB16CFG_MAXWAIT_M   0x0000FF00  // Maximum Wait
#define EPI_HB16CFG_WRWS_M      0x000000C0  // Write Wait States
#define EPI_HB16CFG_WRWS_2      0x00000000  // Active WRn is 2 EPI clocks
#define EPI_HB16CFG_WRWS_4      0x00000040  // Active WRn is 4 EPI clocks
#define EPI_HB16CFG_WRWS_6      0x00000080  // Active WRn is 6 EPI clocks
#define EPI_HB16CFG_WRWS_8      0x000000C0  // Active WRn is 8 EPI clocks
#define EPI_HB16CFG_RDWS_M      0x00000030  // Read Wait States
#define EPI_HB16CFG_RDWS_2      0x00000000  // Active RDn is 2 EPI clocks
#define EPI_HB16CFG_RDWS_4      0x00000010  // Active RDn is 4 EPI clocks
#define EPI_HB16CFG_RDWS_6      0x00000020  // Active RDn is 6 EPI clocks
#define EPI_HB16CFG_RDWS_8      0x00000030  // Active RDn is 8 EPI clocks
#define EPI_HB16CFG_BSEL        0x00000004  // Byte Select Configuration
#define EPI_HB16CFG_MODE_M      0x00000003  // Host Bus Sub-Mode
#define EPI_HB16CFG_MODE_ADMUX  0x00000000  // ADMUX - AD[15:0]
#define EPI_HB16CFG_MODE_ADNMUX 0x00000001  // ADNONMUX - D[15:0]
#define EPI_HB16CFG_MODE_SRAM   0x00000002  // Continuous Read - D[15:0]
#define EPI_HB16CFG_MODE_XFIFO  0x00000003  // XFIFO - D[15:0]
#define EPI_HB16CFG_MAXWAIT_S   8

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_GPCFG register.
//
//*****************************************************************************
#define EPI_GPCFG_CLKPIN        0x80000000  // Clock Pin
#define EPI_GPCFG_CLKGATE       0x40000000  // Clock Gated
#define EPI_GPCFG_FRM50         0x04000000  // 50/50 Frame
#define EPI_GPCFG_FRMCNT_M      0x03C00000  // Frame Count
#define EPI_GPCFG_WR2CYC        0x00080000  // 2-Cycle Writes
#define EPI_GPCFG_ASIZE_M       0x00000030  // Address Bus Size
#define EPI_GPCFG_ASIZE_NONE    0x00000000  // No address
#define EPI_GPCFG_ASIZE_4BIT    0x00000010  // Up to 4 bits wide
#define EPI_GPCFG_ASIZE_12BIT   0x00000020  // Up to 12 bits wide. This size
                                            // cannot be used with 24-bit data
#define EPI_GPCFG_ASIZE_20BIT   0x00000030  // Up to 20 bits wide. This size
                                            // cannot be used with data sizes
                                            // other than 8
#define EPI_GPCFG_DSIZE_M       0x00000003  // Size of Data Bus
#define EPI_GPCFG_DSIZE_4BIT    0x00000000  // 8 Bits Wide (EPI0S0 to EPI0S7)
#define EPI_GPCFG_DSIZE_16BIT   0x00000001  // 16 Bits Wide (EPI0S0 to EPI0S15)
#define EPI_GPCFG_DSIZE_24BIT   0x00000002  // 24 Bits Wide (EPI0S0 to EPI0S23)
#define EPI_GPCFG_DSIZE_32BIT   0x00000003  // 32 Bits Wide (EPI0S0 to EPI0S31)
#define EPI_GPCFG_FRMCNT_S      22

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_SDRAMCFG register.
//
//*****************************************************************************
#define EPI_SDRAMCFG_FREQ_M     0xC0000000  // EPI Frequency Range
#define EPI_SDRAMCFG_FREQ_NONE  0x00000000  // 0 - 15 MHz
#define EPI_SDRAMCFG_FREQ_15MHZ 0x40000000  // 15 - 30 MHz
#define EPI_SDRAMCFG_FREQ_30MHZ 0x80000000  // 30 - 50 MHz
#define EPI_SDRAMCFG_RFSH_M     0x07FF0000  // Refresh Counter
#define EPI_SDRAMCFG_SLEEP      0x00000200  // Sleep Mode
#define EPI_SDRAMCFG_SIZE_M     0x00000003  // Size of SDRAM
#define EPI_SDRAMCFG_SIZE_8MB   0x00000000  // 64 megabits (8MB)
#define EPI_SDRAMCFG_SIZE_16MB  0x00000001  // 128 megabits (16MB)
#define EPI_SDRAMCFG_SIZE_32MB  0x00000002  // 256 megabits (32MB)
#define EPI_SDRAMCFG_SIZE_64MB  0x00000003  // 512 megabits (64MB)
#define EPI_SDRAMCFG_RFSH_S     16

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB8CFG register.
//
//*****************************************************************************
#define EPI_HB8CFG_CLKGATE      0x80000000  // Clock Gated
#define EPI_HB8CFG_CLKGATEI     0x40000000  // Clock Gated when Idle
#define EPI_HB8CFG_CLKINV       0x20000000  // Invert Output Clock Enable
#define EPI_HB8CFG_RDYEN        0x10000000  // Input Ready Enable
#define EPI_HB8CFG_IRDYINV      0x08000000  // Input Ready Invert
#define EPI_HB8CFG_XFFEN        0x00800000  // External FIFO FULL Enable
#define EPI_HB8CFG_XFEEN        0x00400000  // External FIFO EMPTY Enable
#define EPI_HB8CFG_WRHIGH       0x00200000  // WRITE Strobe Polarity
#define EPI_HB8CFG_RDHIGH       0x00100000  // READ Strobe Polarity
#define EPI_HB8CFG_ALEHIGH      0x00080000  // ALE Strobe Polarity
#define EPI_HB8CFG_MAXWAIT_M    0x0000FF00  // Maximum Wait
#define EPI_HB8CFG_WRWS_M       0x000000C0  // Write Wait States
#define EPI_HB8CFG_WRWS_2       0x00000000  // Active WRn is 2 EPI clocks
#define EPI_HB8CFG_WRWS_4       0x00000040  // Active WRn is 4 EPI clocks
#define EPI_HB8CFG_WRWS_6       0x00000080  // Active WRn is 6 EPI clocks
#define EPI_HB8CFG_WRWS_8       0x000000C0  // Active WRn is 8 EPI clocks
#define EPI_HB8CFG_RDWS_M       0x00000030  // Read Wait States
#define EPI_HB8CFG_RDWS_2       0x00000000  // Active RDn is 2 EPI clocks
#define EPI_HB8CFG_RDWS_4       0x00000010  // Active RDn is 4 EPI clocks
#define EPI_HB8CFG_RDWS_6       0x00000020  // Active RDn is 6 EPI clocks
#define EPI_HB8CFG_RDWS_8       0x00000030  // Active RDn is 8 EPI clocks
#define EPI_HB8CFG_MODE_M       0x00000003  // Host Bus Sub-Mode
#define EPI_HB8CFG_MODE_MUX     0x00000000  // ADMUX - AD[7:0]
#define EPI_HB8CFG_MODE_NMUX    0x00000001  // ADNONMUX - D[7:0]
#define EPI_HB8CFG_MODE_SRAM    0x00000002  // Continuous Read - D[7:0]
#define EPI_HB8CFG_MODE_FIFO    0x00000003  // XFIFO - D[7:0]
#define EPI_HB8CFG_MAXWAIT_S    8

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB8CFG2 register.
//
//*****************************************************************************
#define EPI_HB8CFG2_CSCFGEXT    0x08000000  // Chip Select Extended
                                            // Configuration
#define EPI_HB8CFG2_CSBAUD      0x04000000  // Chip Select Baud Rate and
                                            // Multiple Sub-Mode Configuration
                                            // enable
#define EPI_HB8CFG2_CSCFG_M     0x03000000  // Chip Select Configuration
#define EPI_HB8CFG2_CSCFG_ALE   0x00000000  // ALE Configuration
#define EPI_HB8CFG2_CSCFG_CS    0x01000000  // CSn Configuration
#define EPI_HB8CFG2_CSCFG_DCS   0x02000000  // Dual CSn Configuration
#define EPI_HB8CFG2_CSCFG_ADCS  0x03000000  // ALE with Dual CSn Configuration
#define EPI_HB8CFG2_WRHIGH      0x00200000  // CS1n WRITE Strobe Polarity
#define EPI_HB8CFG2_RDHIGH      0x00100000  // CS1n READ Strobe Polarity
#define EPI_HB8CFG2_ALEHIGH     0x00080000  // CS1n ALE Strobe Polarity
#define EPI_HB8CFG2_WRWS_M      0x000000C0  // CS1n Write Wait States
#define EPI_HB8CFG2_WRWS_2      0x00000000  // Active WRn is 2 EPI clocks
#define EPI_HB8CFG2_WRWS_4      0x00000040  // Active WRn is 4 EPI clocks
#define EPI_HB8CFG2_WRWS_6      0x00000080  // Active WRn is 6 EPI clocks
#define EPI_HB8CFG2_WRWS_8      0x000000C0  // Active WRn is 8 EPI clocks
#define EPI_HB8CFG2_RDWS_M      0x00000030  // CS1n Read Wait States
#define EPI_HB8CFG2_RDWS_2      0x00000000  // Active RDn is 2 EPI clocks
#define EPI_HB8CFG2_RDWS_4      0x00000010  // Active RDn is 4 EPI clocks
#define EPI_HB8CFG2_RDWS_6      0x00000020  // Active RDn is 6 EPI clocks
#define EPI_HB8CFG2_RDWS_8      0x00000030  // Active RDn is 8 EPI clocks
#define EPI_HB8CFG2_MODE_M      0x00000003  // CS1n Host Bus Sub-Mode
#define EPI_HB8CFG2_MODE_ADMUX  0x00000000  // ADMUX - AD[7:0]
#define EPI_HB8CFG2_MODE_AD     0x00000001  // ADNONMUX - D[7:0]

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB16CFG2 register.
//
//*****************************************************************************
#define EPI_HB16CFG2_CSCFGEXT   0x08000000  // Chip Select Extended
                                            // Configuration
#define EPI_HB16CFG2_CSBAUD     0x04000000  // Chip Select Baud Rate and
                                            // Multiple Sub-Mode Configuration
                                            // enable
#define EPI_HB16CFG2_CSCFG_M    0x03000000  // Chip Select Configuration
#define EPI_HB16CFG2_CSCFG_ALE  0x00000000  // ALE Configuration
#define EPI_HB16CFG2_CSCFG_CS   0x01000000  // CSn Configuration
#define EPI_HB16CFG2_CSCFG_DCS  0x02000000  // Dual CSn Configuration
#define EPI_HB16CFG2_CSCFG_ADCS 0x03000000  // ALE with Dual CSn Configuration
#define EPI_HB16CFG2_WRHIGH     0x00200000  // CS1n WRITE Strobe Polarity
#define EPI_HB16CFG2_RDHIGH     0x00100000  // CS1n READ Strobe Polarity
#define EPI_HB16CFG2_ALEHIGH    0x00080000  // CS1n ALE Strobe Polarity
#define EPI_HB16CFG2_WRCRE      0x00040000  // CS1n PSRAM Configuration
                                            // Register Write
#define EPI_HB16CFG2_RDCRE      0x00020000  // CS1n PSRAM Configuration
                                            // Register Read
#define EPI_HB16CFG2_BURST      0x00010000  // CS1n Burst Mode
#define EPI_HB16CFG2_WRWS_M     0x000000C0  // CS1n Write Wait States
#define EPI_HB16CFG2_WRWS_2     0x00000000  // Active WRn is 2 EPI clocks
#define EPI_HB16CFG2_WRWS_4     0x00000040  // Active WRn is 4 EPI clocks
#define EPI_HB16CFG2_WRWS_6     0x00000080  // Active WRn is 6 EPI clocks
#define EPI_HB16CFG2_WRWS_8     0x000000C0  // Active WRn is 8 EPI clocks
#define EPI_HB16CFG2_RDWS_M     0x00000030  // CS1n Read Wait States
#define EPI_HB16CFG2_RDWS_2     0x00000000  // Active RDn is 2 EPI clocks
#define EPI_HB16CFG2_RDWS_4     0x00000010  // Active RDn is 4 EPI clocks
#define EPI_HB16CFG2_RDWS_6     0x00000020  // Active RDn is 6 EPI clocks
#define EPI_HB16CFG2_RDWS_8     0x00000030  // Active RDn is 8 EPI clocks
#define EPI_HB16CFG2_MODE_M     0x00000003  // CS1n Host Bus Sub-Mode
#define EPI_HB16CFG2_MODE_ADMUX 0x00000000  // ADMUX - AD[15:0]
#define EPI_HB16CFG2_MODE_AD    0x00000001  // ADNONMUX - D[15:0]

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_ADDRMAP register.
//
//*****************************************************************************
#define EPI_ADDRMAP_ECSZ_M      0x00000C00  // External Code Size
#define EPI_ADDRMAP_ECSZ_256B   0x00000000  // 256 bytes; lower address range:
                                            // 0x00 to 0xFF
#define EPI_ADDRMAP_ECSZ_64KB   0x00000400  // 64 KB; lower address range:
                                            // 0x0000 to 0xFFFF
#define EPI_ADDRMAP_ECSZ_16MB   0x00000800  // 16 MB; lower address range:
                                            // 0x00.0000 to 0xFF.FFFF
#define EPI_ADDRMAP_ECSZ_256MB  0x00000C00  // 256MB; lower address range:
                                            // 0x000.0000 to 0x0FFF.FFFF
#define EPI_ADDRMAP_ECADR_M     0x00000300  // External Code Address
#define EPI_ADDRMAP_ECADR_NONE  0x00000000  // Not mapped
#define EPI_ADDRMAP_ECADR_1000  0x00000100  // At 0x1000.0000
#define EPI_ADDRMAP_EPSZ_M      0x000000C0  // External Peripheral Size
#define EPI_ADDRMAP_EPSZ_256B   0x00000000  // 256 bytes; lower address range:
                                            // 0x00 to 0xFF
#define EPI_ADDRMAP_EPSZ_64KB   0x00000040  // 64 KB; lower address range:
                                            // 0x0000 to 0xFFFF
#define EPI_ADDRMAP_EPSZ_16MB   0x00000080  // 16 MB; lower address range:
                                            // 0x00.0000 to 0xFF.FFFF
#define EPI_ADDRMAP_EPSZ_256MB  0x000000C0  // 256 MB; lower address range:
                                            // 0x000.0000 to 0xFFF.FFFF
#define EPI_ADDRMAP_EPADR_M     0x00000030  // External Peripheral Address
#define EPI_ADDRMAP_EPADR_NONE  0x00000000  // Not mapped
#define EPI_ADDRMAP_EPADR_A000  0x00000010  // At 0xA000.0000
#define EPI_ADDRMAP_EPADR_C000  0x00000020  // At 0xC000.0000
#define EPI_ADDRMAP_EPADR_HBQS  0x00000030  // Only to be used with Host Bus
                                            // quad chip select. In quad chip
                                            // select mode, CS2n maps to
                                            // 0xA000.0000 and CS3n maps to
                                            // 0xC000.0000
#define EPI_ADDRMAP_ERSZ_M      0x0000000C  // External RAM Size
#define EPI_ADDRMAP_ERSZ_256B   0x00000000  // 256 bytes; lower address range:
                                            // 0x00 to 0xFF
#define EPI_ADDRMAP_ERSZ_64KB   0x00000004  // 64 KB; lower address range:
                                            // 0x0000 to 0xFFFF
#define EPI_ADDRMAP_ERSZ_16MB   0x00000008  // 16 MB; lower address range:
                                            // 0x00.0000 to 0xFF.FFFF
#define EPI_ADDRMAP_ERSZ_256MB  0x0000000C  // 256 MB; lower address range:
                                            // 0x000.0000 to 0xFFF.FFFF
#define EPI_ADDRMAP_ERADR_M     0x00000003  // External RAM Address
#define EPI_ADDRMAP_ERADR_NONE  0x00000000  // Not mapped
#define EPI_ADDRMAP_ERADR_6000  0x00000001  // At 0x6000.0000
#define EPI_ADDRMAP_ERADR_8000  0x00000002  // At 0x8000.0000
#define EPI_ADDRMAP_ERADR_HBQS  0x00000003  // Only to be used with Host Bus
                                            // quad chip select. In quad chip
                                            // select mode, CS0n maps to
                                            // 0x6000.0000 and CS1n maps to
                                            // 0x8000.0000

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_RSIZE0 register.
//
//*****************************************************************************
#define EPI_RSIZE0_SIZE_M       0x00000003  // Current Size
#define EPI_RSIZE0_SIZE_8BIT    0x00000001  // Byte (8 bits)
#define EPI_RSIZE0_SIZE_16BIT   0x00000002  // Half-word (16 bits)
#define EPI_RSIZE0_SIZE_32BIT   0x00000003  // Word (32 bits)

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_RADDR0 register.
//
//*****************************************************************************
#define EPI_RADDR0_ADDR_M       0xFFFFFFFF  // Current Address
#define EPI_RADDR0_ADDR_S       0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_RPSTD0 register.
//
//*****************************************************************************
#define EPI_RPSTD0_POSTCNT_M    0x00001FFF  // Post Count
#define EPI_RPSTD0_POSTCNT_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_RSIZE1 register.
//
//*****************************************************************************
#define EPI_RSIZE1_SIZE_M       0x00000003  // Current Size
#define EPI_RSIZE1_SIZE_8BIT    0x00000001  // Byte (8 bits)
#define EPI_RSIZE1_SIZE_16BIT   0x00000002  // Half-word (16 bits)
#define EPI_RSIZE1_SIZE_32BIT   0x00000003  // Word (32 bits)

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_RADDR1 register.
//
//*****************************************************************************
#define EPI_RADDR1_ADDR_M       0xFFFFFFFF  // Current Address
#define EPI_RADDR1_ADDR_S       0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_RPSTD1 register.
//
//*****************************************************************************
#define EPI_RPSTD1_POSTCNT_M    0x00001FFF  // Post Count
#define EPI_RPSTD1_POSTCNT_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_STAT register.
//
//*****************************************************************************
#define EPI_STAT_XFFULL         0x00000100  // External FIFO Full
#define EPI_STAT_XFEMPTY        0x00000080  // External FIFO Empty
#define EPI_STAT_INITSEQ        0x00000040  // Initialization Sequence
#define EPI_STAT_WBUSY          0x00000020  // Write Busy
#define EPI_STAT_NBRBUSY        0x00000010  // Non-Blocking Read Busy
#define EPI_STAT_ACTIVE         0x00000001  // Register Active

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_RFIFOCNT register.
//
//*****************************************************************************
#define EPI_RFIFOCNT_COUNT_M    0x0000000F  // FIFO Count
#define EPI_RFIFOCNT_COUNT_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_READFIFO0
// register.
//
//*****************************************************************************
#define EPI_READFIFO0_DATA_M    0xFFFFFFFF  // Reads Data
#define EPI_READFIFO0_DATA_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_READFIFO1
// register.
//
//*****************************************************************************
#define EPI_READFIFO1_DATA_M    0xFFFFFFFF  // Reads Data
#define EPI_READFIFO1_DATA_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_READFIFO2
// register.
//
//*****************************************************************************
#define EPI_READFIFO2_DATA_M    0xFFFFFFFF  // Reads Data
#define EPI_READFIFO2_DATA_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_READFIFO3
// register.
//
//*****************************************************************************
#define EPI_READFIFO3_DATA_M    0xFFFFFFFF  // Reads Data
#define EPI_READFIFO3_DATA_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_READFIFO4
// register.
//
//*****************************************************************************
#define EPI_READFIFO4_DATA_M    0xFFFFFFFF  // Reads Data
#define EPI_READFIFO4_DATA_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_READFIFO5
// register.
//
//*****************************************************************************
#define EPI_READFIFO5_DATA_M    0xFFFFFFFF  // Reads Data
#define EPI_READFIFO5_DATA_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_READFIFO6
// register.
//
//*****************************************************************************
#define EPI_READFIFO6_DATA_M    0xFFFFFFFF  // Reads Data
#define EPI_READFIFO6_DATA_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_READFIFO7
// register.
//
//*****************************************************************************
#define EPI_READFIFO7_DATA_M    0xFFFFFFFF  // Reads Data
#define EPI_READFIFO7_DATA_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_FIFOLVL register.
//
//*****************************************************************************
#define EPI_FIFOLVL_WFERR       0x00020000  // Write Full Error
#define EPI_FIFOLVL_RSERR       0x00010000  // Read Stall Error
#define EPI_FIFOLVL_WRFIFO_M    0x00000070  // Write FIFO
#define EPI_FIFOLVL_WRFIFO_EMPT 0x00000000  // Interrupt is triggered while
                                            // WRFIFO is empty.
#define EPI_FIFOLVL_WRFIFO_2    0x00000020  // Interrupt is triggered until
                                            // there are only two slots
                                            // available. Thus, trigger is
                                            // deasserted when there are two
                                            // WRFIFO entries present. This
                                            // configuration is optimized for
                                            // bursts of 2
#define EPI_FIFOLVL_WRFIFO_1    0x00000030  // Interrupt is triggered until
                                            // there is one WRFIFO entry
                                            // available. This configuration
                                            // expects only single writes
#define EPI_FIFOLVL_WRFIFO_NFULL                                              \
                                0x00000040  // Trigger interrupt when WRFIFO is
                                            // not full, meaning trigger will
                                            // continue to assert until there
                                            // are four entries in the WRFIFO
#define EPI_FIFOLVL_RDFIFO_M    0x00000007  // Read FIFO
#define EPI_FIFOLVL_RDFIFO_EMPT 0x00000000  // Empty
#define EPI_FIFOLVL_RDFIFO_1    0x00000001  // Trigger when there are 1 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_2    0x00000002  // Trigger when there are 2 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_4    0x00000003  // Trigger when there are 4 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_6    0x00000004  // Trigger when there are 6 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_7    0x00000005  // Trigger when there are 7 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_8    0x00000006  // Trigger when there are 8 entries
                                            // in the NBRFIFO

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_WFIFOCNT register.
//
//*****************************************************************************
#define EPI_WFIFOCNT_WTAV_M     0x00000007  // Available Write Transactions
#define EPI_WFIFOCNT_WTAV_S     0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_DMATXCNT register.
//
//*****************************************************************************
#define EPI_DMATXCNT_TXCNT_M    0x0000FFFF  // DMA Count
#define EPI_DMATXCNT_TXCNT_S    0

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_IM register.
//
//*****************************************************************************
#define EPI_IM_DMAWRIM          0x00000010  // Write uDMA Interrupt Mask
#define EPI_IM_DMARDIM          0x00000008  // Read uDMA Interrupt Mask
#define EPI_IM_WRIM             0x00000004  // Write FIFO Empty Interrupt Mask
#define EPI_IM_RDIM             0x00000002  // Read FIFO Full Interrupt Mask
#define EPI_IM_ERRIM            0x00000001  // Error Interrupt Mask

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_RIS register.
//
//*****************************************************************************
#define EPI_RIS_DMAWRRIS        0x00000010  // Write uDMA Raw Interrupt Status
#define EPI_RIS_DMARDRIS        0x00000008  // Read uDMA Raw Interrupt Status
#define EPI_RIS_WRRIS           0x00000004  // Write Raw Interrupt Status
#define EPI_RIS_RDRIS           0x00000002  // Read Raw Interrupt Status
#define EPI_RIS_ERRRIS          0x00000001  // Error Raw Interrupt Status

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_MIS register.
//
//*****************************************************************************
#define EPI_MIS_DMAWRMIS        0x00000010  // Write uDMA Masked Interrupt
                                            // Status
#define EPI_MIS_DMARDMIS        0x00000008  // Read uDMA Masked Interrupt
                                            // Status
#define EPI_MIS_WRMIS           0x00000004  // Write Masked Interrupt Status
#define EPI_MIS_RDMIS           0x00000002  // Read Masked Interrupt Status
#define EPI_MIS_ERRMIS          0x00000001  // Error Masked Interrupt Status

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_EISC register.
//
//*****************************************************************************
#define EPI_EISC_DMAWRIC        0x00000010  // Write uDMA Interrupt Clear
#define EPI_EISC_DMARDIC        0x00000008  // Read uDMA Interrupt Clear
#define EPI_EISC_WTFULL         0x00000004  // Write FIFO Full Error
#define EPI_EISC_RSTALL         0x00000002  // Read Stalled Error
#define EPI_EISC_TOUT           0x00000001  // Timeout Error

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB8CFG3 register.
//
//*****************************************************************************
#define EPI_HB8CFG3_WRHIGH      0x00200000  // CS2n WRITE Strobe Polarity
#define EPI_HB8CFG3_RDHIGH      0x00100000  // CS2n READ Strobe Polarity
#define EPI_HB8CFG3_ALEHIGH     0x00080000  // CS2n ALE Strobe Polarity
#define EPI_HB8CFG3_WRWS_M      0x000000C0  // CS2n Write Wait States
#define EPI_HB8CFG3_WRWS_2      0x00000000  // Active WRn is 2 EPI clocks
#define EPI_HB8CFG3_WRWS_4      0x00000040  // Active WRn is 4 EPI clocks
#define EPI_HB8CFG3_WRWS_6      0x00000080  // Active WRn is 6 EPI clocks
#define EPI_HB8CFG3_WRWS_8      0x000000C0  // Active WRn is 8 EPI clocks
#define EPI_HB8CFG3_RDWS_M      0x00000030  // CS2n Read Wait States
#define EPI_HB8CFG3_RDWS_2      0x00000000  // Active RDn is 2 EPI clocks
#define EPI_HB8CFG3_RDWS_4      0x00000010  // Active RDn is 4 EPI clocks
#define EPI_HB8CFG3_RDWS_6      0x00000020  // Active RDn is 6 EPI clocks
#define EPI_HB8CFG3_RDWS_8      0x00000030  // Active RDn is 8 EPI clocks
#define EPI_HB8CFG3_MODE_M      0x00000003  // CS2n Host Bus Sub-Mode
#define EPI_HB8CFG3_MODE_ADMUX  0x00000000  // ADMUX - AD[7:0]
#define EPI_HB8CFG3_MODE_AD     0x00000001  // ADNONMUX - D[7:0]

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB16CFG3 register.
//
//*****************************************************************************
#define EPI_HB16CFG3_WRHIGH     0x00200000  // CS2n WRITE Strobe Polarity
#define EPI_HB16CFG3_RDHIGH     0x00100000  // CS2n READ Strobe Polarity
#define EPI_HB16CFG3_ALEHIGH    0x00080000  // CS2n ALE Strobe Polarity
#define EPI_HB16CFG3_WRCRE      0x00040000  // CS2n PSRAM Configuration
                                            // Register Write
#define EPI_HB16CFG3_RDCRE      0x00020000  // CS2n PSRAM Configuration
                                            // Register Read
#define EPI_HB16CFG3_BURST      0x00010000  // CS2n Burst Mode
#define EPI_HB16CFG3_WRWS_M     0x000000C0  // CS2n Write Wait States
#define EPI_HB16CFG3_WRWS_2     0x00000000  // Active WRn is 2 EPI clocks
#define EPI_HB16CFG3_WRWS_4     0x00000040  // Active WRn is 4 EPI clocks
#define EPI_HB16CFG3_WRWS_6     0x00000080  // Active WRn is 6 EPI clocks
#define EPI_HB16CFG3_WRWS_8     0x000000C0  // Active WRn is 8 EPI clocks
#define EPI_HB16CFG3_RDWS_M     0x00000030  // CS2n Read Wait States
#define EPI_HB16CFG3_RDWS_2     0x00000000  // Active RDn is 2 EPI clocks
#define EPI_HB16CFG3_RDWS_4     0x00000010  // Active RDn is 4 EPI clocks
#define EPI_HB16CFG3_RDWS_6     0x00000020  // Active RDn is 6 EPI clocks
#define EPI_HB16CFG3_RDWS_8     0x00000030  // Active RDn is 8 EPI clocks
#define EPI_HB16CFG3_MODE_M     0x00000003  // CS2n Host Bus Sub-Mode
#define EPI_HB16CFG3_MODE_ADMUX 0x00000000  // ADMUX - AD[15:0]
#define EPI_HB16CFG3_MODE_AD    0x00000001  // ADNONMUX - D[15:0]

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB16CFG4 register.
//
//*****************************************************************************
#define EPI_HB16CFG4_WRHIGH     0x00200000  // CS3n WRITE Strobe Polarity
#define EPI_HB16CFG4_RDHIGH     0x00100000  // CS3n READ Strobe Polarity
#define EPI_HB16CFG4_ALEHIGH    0x00080000  // CS3n ALE Strobe Polarity
#define EPI_HB16CFG4_WRCRE      0x00040000  // CS3n PSRAM Configuration
                                            // Register Write
#define EPI_HB16CFG4_RDCRE      0x00020000  // CS3n PSRAM Configuration
                                            // Register Read
#define EPI_HB16CFG4_BURST      0x00010000  // CS3n Burst Mode
#define EPI_HB16CFG4_WRWS_M     0x000000C0  // CS3n Write Wait States
#define EPI_HB16CFG4_WRWS_2     0x00000000  // Active WRn is 2 EPI clocks
#define EPI_HB16CFG4_WRWS_4     0x00000040  // Active WRn is 4 EPI clocks
#define EPI_HB16CFG4_WRWS_6     0x00000080  // Active WRn is 6 EPI clocks
#define EPI_HB16CFG4_WRWS_8     0x000000C0  // Active WRn is 8 EPI clocks
#define EPI_HB16CFG4_RDWS_M     0x00000030  // CS3n Read Wait States
#define EPI_HB16CFG4_RDWS_2     0x00000000  // Active RDn is 2 EPI clocks
#define EPI_HB16CFG4_RDWS_4     0x00000010  // Active RDn is 4 EPI clocks
#define EPI_HB16CFG4_RDWS_6     0x00000020  // Active RDn is 6 EPI clocks
#define EPI_HB16CFG4_RDWS_8     0x00000030  // Active RDn is 8 EPI clocks
#define EPI_HB16CFG4_MODE_M     0x00000003  // CS3n Host Bus Sub-Mode
#define EPI_HB16CFG4_MODE_ADMUX 0x00000000  // ADMUX - AD[15:0]
#define EPI_HB16CFG4_MODE_AD    0x00000001  // ADNONMUX - D[15:0]

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB8CFG4 register.
//
//*****************************************************************************
#define EPI_HB8CFG4_WRHIGH      0x00200000  // CS3n WRITE Strobe Polarity
#define EPI_HB8CFG4_RDHIGH      0x00100000  // CS2n READ Strobe Polarity
#define EPI_HB8CFG4_ALEHIGH     0x00080000  // CS3n ALE Strobe Polarity
#define EPI_HB8CFG4_WRWS_M      0x000000C0  // CS3n Write Wait States
#define EPI_HB8CFG4_WRWS_2      0x00000000  // Active WRn is 2 EPI clocks
#define EPI_HB8CFG4_WRWS_4      0x00000040  // Active WRn is 4 EPI clocks
#define EPI_HB8CFG4_WRWS_6      0x00000080  // Active WRn is 6 EPI clocks
#define EPI_HB8CFG4_WRWS_8      0x000000C0  // Active WRn is 8 EPI clocks
#define EPI_HB8CFG4_RDWS_M      0x00000030  // CS3n Read Wait States
#define EPI_HB8CFG4_RDWS_2      0x00000000  // Active RDn is 2 EPI clocks
#define EPI_HB8CFG4_RDWS_4      0x00000010  // Active RDn is 4 EPI clocks
#define EPI_HB8CFG4_RDWS_6      0x00000020  // Active RDn is 6 EPI clocks
#define EPI_HB8CFG4_RDWS_8      0x00000030  // Active RDn is 8 EPI clocks
#define EPI_HB8CFG4_MODE_M      0x00000003  // CS3n Host Bus Sub-Mode
#define EPI_HB8CFG4_MODE_ADMUX  0x00000000  // ADMUX - AD[7:0]
#define EPI_HB8CFG4_MODE_AD     0x00000001  // ADNONMUX - D[7:0]

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB8TIME register.
//
//*****************************************************************************
#define EPI_HB8TIME_IRDYDLY_M   0x03000000  // CS0n Input Ready Delay
#define EPI_HB8TIME_CAPWIDTH_M  0x00003000  // CS0n Inter-transfer Capture
                                            // Width
#define EPI_HB8TIME_WRWSM       0x00000010  // Write Wait State Minus One
#define EPI_HB8TIME_RDWSM       0x00000001  // Read Wait State Minus One
#define EPI_HB8TIME_IRDYDLY_S   24
#define EPI_HB8TIME_CAPWIDTH_S  12

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB16TIME register.
//
//*****************************************************************************
#define EPI_HB16TIME_IRDYDLY_M  0x03000000  // CS0n Input Ready Delay
#define EPI_HB16TIME_PSRAMSZ_M  0x00070000  // PSRAM Row Size
#define EPI_HB16TIME_PSRAMSZ_0  0x00000000  // No row size limitation
#define EPI_HB16TIME_PSRAMSZ_128B                                             \
                                0x00010000  // 128 B
#define EPI_HB16TIME_PSRAMSZ_256B                                             \
                                0x00020000  // 256 B
#define EPI_HB16TIME_PSRAMSZ_512B                                             \
                                0x00030000  // 512 B
#define EPI_HB16TIME_PSRAMSZ_1KB                                              \
                                0x00040000  // 1024 B
#define EPI_HB16TIME_PSRAMSZ_2KB                                              \
                                0x00050000  // 2048 B
#define EPI_HB16TIME_PSRAMSZ_4KB                                              \
                                0x00060000  // 4096 B
#define EPI_HB16TIME_PSRAMSZ_8KB                                              \
                                0x00070000  // 8192 B
#define EPI_HB16TIME_CAPWIDTH_M 0x00003000  // CS0n Inter-transfer Capture
                                            // Width
#define EPI_HB16TIME_WRWSM      0x00000010  // Write Wait State Minus One
#define EPI_HB16TIME_RDWSM      0x00000001  // Read Wait State Minus One
#define EPI_HB16TIME_IRDYDLY_S  24
#define EPI_HB16TIME_CAPWIDTH_S 12

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB8TIME2 register.
//
//*****************************************************************************
#define EPI_HB8TIME2_IRDYDLY_M  0x03000000  // CS1n Input Ready Delay
#define EPI_HB8TIME2_CAPWIDTH_M 0x00003000  // CS1n Inter-transfer Capture
                                            // Width
#define EPI_HB8TIME2_WRWSM      0x00000010  // CS1n Write Wait State Minus One
#define EPI_HB8TIME2_RDWSM      0x00000001  // CS1n Read Wait State Minus One
#define EPI_HB8TIME2_IRDYDLY_S  24
#define EPI_HB8TIME2_CAPWIDTH_S 12

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB16TIME2
// register.
//
//*****************************************************************************
#define EPI_HB16TIME2_IRDYDLY_M 0x03000000  // CS1n Input Ready Delay
#define EPI_HB16TIME2_PSRAMSZ_M 0x00070000  // PSRAM Row Size
#define EPI_HB16TIME2_PSRAMSZ_0 0x00000000  // No row size limitation
#define EPI_HB16TIME2_PSRAMSZ_128B                                            \
                                0x00010000  // 128 B
#define EPI_HB16TIME2_PSRAMSZ_256B                                            \
                                0x00020000  // 256 B
#define EPI_HB16TIME2_PSRAMSZ_512B                                            \
                                0x00030000  // 512 B
#define EPI_HB16TIME2_PSRAMSZ_1KB                                             \
                                0x00040000  // 1024 B
#define EPI_HB16TIME2_PSRAMSZ_2KB                                             \
                                0x00050000  // 2048 B
#define EPI_HB16TIME2_PSRAMSZ_4KB                                             \
                                0x00060000  // 4096 B
#define EPI_HB16TIME2_PSRAMSZ_8KB                                             \
                                0x00070000  // 8192 B
#define EPI_HB16TIME2_CAPWIDTH_M                                              \
                                0x00003000  // CS1n Inter-transfer Capture
                                            // Width
#define EPI_HB16TIME2_WRWSM     0x00000010  // CS1n Write Wait State Minus One
#define EPI_HB16TIME2_RDWSM     0x00000001  // CS1n Read Wait State Minus One
#define EPI_HB16TIME2_IRDYDLY_S 24
#define EPI_HB16TIME2_CAPWIDTH_S                                              \
                                12

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB16TIME3
// register.
//
//*****************************************************************************
#define EPI_HB16TIME3_IRDYDLY_M 0x03000000  // CS2n Input Ready Delay
#define EPI_HB16TIME3_PSRAMSZ_M 0x00070000  // PSRAM Row Size
#define EPI_HB16TIME3_PSRAMSZ_0 0x00000000  // No row size limitation
#define EPI_HB16TIME3_PSRAMSZ_128B                                            \
                                0x00010000  // 128 B
#define EPI_HB16TIME3_PSRAMSZ_256B                                            \
                                0x00020000  // 256 B
#define EPI_HB16TIME3_PSRAMSZ_512B                                            \
                                0x00030000  // 512 B
#define EPI_HB16TIME3_PSRAMSZ_1KB                                             \
                                0x00040000  // 1024 B
#define EPI_HB16TIME3_PSRAMSZ_2KB                                             \
                                0x00050000  // 2048 B
#define EPI_HB16TIME3_PSRAMSZ_4KB                                             \
                                0x00060000  // 4096 B
#define EPI_HB16TIME3_PSRAMSZ_8KB                                             \
                                0x00070000  // 8192 B
#define EPI_HB16TIME3_CAPWIDTH_M                                              \
                                0x00003000  // CS2n Inter-transfer Capture
                                            // Width
#define EPI_HB16TIME3_WRWSM     0x00000010  // CS2n Write Wait State Minus One
#define EPI_HB16TIME3_RDWSM     0x00000001  // CS2n Read Wait State Minus One
#define EPI_HB16TIME3_IRDYDLY_S 24
#define EPI_HB16TIME3_CAPWIDTH_S                                              \
                                12

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB8TIME3 register.
//
//*****************************************************************************
#define EPI_HB8TIME3_IRDYDLY_M  0x03000000  // CS2n Input Ready Delay
#define EPI_HB8TIME3_CAPWIDTH_M 0x00003000  // CS2n Inter-transfer Capture
                                            // Width
#define EPI_HB8TIME3_WRWSM      0x00000010  // CS2n Write Wait State Minus One
#define EPI_HB8TIME3_RDWSM      0x00000001  // CS2n Read Wait State Minus One
#define EPI_HB8TIME3_IRDYDLY_S  24
#define EPI_HB8TIME3_CAPWIDTH_S 12

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB8TIME4 register.
//
//*****************************************************************************
#define EPI_HB8TIME4_IRDYDLY_M  0x03000000  // CS3n Input Ready Delay
#define EPI_HB8TIME4_CAPWIDTH_M 0x00003000  // CS3n Inter-transfer Capture
                                            // Width
#define EPI_HB8TIME4_WRWSM      0x00000010  // CS3n Write Wait State Minus One
#define EPI_HB8TIME4_RDWSM      0x00000001  // CS3n Read Wait State Minus One
#define EPI_HB8TIME4_IRDYDLY_S  24
#define EPI_HB8TIME4_CAPWIDTH_S 12

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HB16TIME4
// register.
//
//*****************************************************************************
#define EPI_HB16TIME4_IRDYDLY_M 0x03000000  // CS3n Input Ready Delay
#define EPI_HB16TIME4_PSRAMSZ_M 0x00070000  // PSRAM Row Size
#define EPI_HB16TIME4_PSRAMSZ_0 0x00000000  // No row size limitation
#define EPI_HB16TIME4_PSRAMSZ_128B                                            \
                                0x00010000  // 128 B
#define EPI_HB16TIME4_PSRAMSZ_256B                                            \
                                0x00020000  // 256 B
#define EPI_HB16TIME4_PSRAMSZ_512B                                            \
                                0x00030000  // 512 B
#define EPI_HB16TIME4_PSRAMSZ_1KB                                             \
                                0x00040000  // 1024 B
#define EPI_HB16TIME4_PSRAMSZ_2KB                                             \
                                0x00050000  // 2048 B
#define EPI_HB16TIME4_PSRAMSZ_4KB                                             \
                                0x00060000  // 4096 B
#define EPI_HB16TIME4_PSRAMSZ_8KB                                             \
                                0x00070000  // 8192 B
#define EPI_HB16TIME4_CAPWIDTH_M                                              \
                                0x00003000  // CS3n Inter-transfer Capture
                                            // Width
#define EPI_HB16TIME4_WRWSM     0x00000010  // CS3n Write Wait State Minus One
#define EPI_HB16TIME4_RDWSM     0x00000001  // CS3n Read Wait State Minus One
#define EPI_HB16TIME4_IRDYDLY_S 24
#define EPI_HB16TIME4_CAPWIDTH_S                                              \
                                12

//*****************************************************************************
//
// The following are defines for the bit fields in the EPI_O_HBPSRAM register.
//
//*****************************************************************************
#define EPI_HBPSRAM_CR_M        0x001FFFFF  // PSRAM Config Register
#define EPI_HBPSRAM_CR_S        0

//*****************************************************************************
//
// The following definitions are deprecated.
//
//*****************************************************************************
#ifndef DEPRECATED

//*****************************************************************************
//
// The following are deprecated defines for the bit fields in the EPI_O_FIFOLVL
// register.
//
//*****************************************************************************
#define EPI_FIFOLVL_WRFIFO_1_4  0x00000020  // Trigger when there are up to 3
                                            // spaces available in the WFIFO
#define EPI_FIFOLVL_WRFIFO_1_2  0x00000030  // Trigger when there are up to 2
                                            // spaces available in the WFIFO
#define EPI_FIFOLVL_WRFIFO_3_4  0x00000040  // Trigger when there is 1 space
                                            // available in the WFIFO
#define EPI_FIFOLVL_RDFIFO_1_8  0x00000001  // Trigger when there are 1 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_1_4  0x00000002  // Trigger when there are 2 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_1_2  0x00000003  // Trigger when there are 4 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_3_4  0x00000004  // Trigger when there are 6 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_7_8  0x00000005  // Trigger when there are 7 or more
                                            // entries in the NBRFIFO
#define EPI_FIFOLVL_RDFIFO_FULL 0x00000006  // Trigger when there are 8 entries
                                            // in the NBRFIFO

#endif

#endif // __HW_EPI_H__