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////////////////////////////////////////////////////////////////////////////////

//

// Filename:    regdefs.h

//

// Project:     XuLA2 board

//

// Purpose:     

//

//

// Creator:     Dan Gisselquist, Ph.D.

//              Gisselquist Technology, LLC

//

////////////////////////////////////////////////////////////////////////////////

//

// Copyright (C) 2015, Gisselquist Technology, LLC

//

// This program is free software (firmware): you can redistribute it and/or

// modify it under the terms of  the GNU General Public License as published

// by the Free Software Foundation, either version 3 of the License, or (at

// your option) any later version.

//

// This program is distributed in the hope that it will be useful, but WITHOUT

// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for more details.

//

// License:     GPL, v3, as defined and found on www.gnu.org,

//              http://www.gnu.org/licenses/gpl.html

//

//

////////////////////////////////////////////////////////////////////////////////

//

//

#ifndef REGDEFS_H

#define REGDEFS_H

// #define      R_RESET         0x00000100

// #define      R_STATUS        0x00000101

// #define      R_CONTROL       0x00000101

#define R_VERSION       0x00000101

#define R_ICONTROL      0x00000102

#define R_BUSERR        0x00000103

#define R_ITIMER        0x00000104

#define R_DATE          0x00000105

#define R_GPIO          0x00000106

#define R_UART_CTRL     0x00000107

#define R_PWM_DATA      0x00000108

#define R_PWM_INTERVAL  0x00000109

#define R_UART_RX       0x0000010a

#define R_UART_TX       0x0000010b

#define R_SPIF_EREG     0x0000010c

#define R_SPIF_CREG     0x0000010d

#define R_SPIF_SREG     0x0000010e

#define R_SPIF_IDREG    0x0000010f

#define R_CLOCK         0x00000110

#define R_TIMER         0x00000111

#define R_STOPWATCH     0x00000112

#define R_CKALARM       0x00000113

#define R_CKSPEED       0x00000114

// And because the flash driver needs these constants defined ...

#define R_QSPI_EREG     0x0000010c

#define R_QSPI_CREG     0x0000010d

#define R_QSPI_SREG     0x0000010e

#define R_QSPI_IDREG    0x0000010f

// GPS registers

//                      0x00000114

//                      0x00000115

//                      0x00000116

//                      0x00000117

// WB Scope registers wb_addr[31:3]==30'h23, i.e. 46, 8c, 118

#define R_QSCOPE        0x00000118      // Quad SPI scope ctrl

#define R_QSCOPED       0x00000119      //      and data

#define R_CFGSCOPE      0x0000011a      // Configuration/ICAPE scope control

#define R_CFGSCOPED     0x0000011b      //      and data

#define R_RAMSCOPE      0x0000011c      // SDRAM scope control

#define R_RAMSCOPED     0x0000011d      //      and data

#define R_CPUSCOPE      0x0000011e      // SDRAM scope control

#define R_CPUSCOPED     0x0000011f      //      and data

//

// SD Card

#define R_SDCARD_CTRL   0x00000120

#define R_SDCARD_DATA   0x00000121

#define R_SDCARD_FIFOA  0x00000122

#define R_SDCARD_FIFOB  0x00000123

//

// Unused/open

// #define SOMETHING    0x00000124 -- 0x013f    (28 spaces)

//

// FPGA CONFIG/ICAP REGISTERS

#define R_CFG_CRC       0x00000140

#define R_CFG_FAR_MAJ   0x00000141

#define R_CFG_FAR_MIN   0x00000142

#define R_CFG_FDRI      0x00000143

#define R_CFG_FDRO      0x00000144

#define R_CFG_CMD       0x00000145

#define R_CFG_CTL       0x00000146

#define R_CFG_MASK      0x00000147

#define R_CFG_STAT      0x00000148

#define R_CFG_LOUT      0x00000149

#define R_CFG_COR1      0x0000014a

#define R_CFG_COR2      0x0000014b

#define R_CFG_PWRDN     0x0000014c

#define R_CFG_FLR       0x0000014d

#define R_CFG_IDCODE    0x0000014e

#define R_CFG_CWDT      0x0000014f

#define R_CFG_HCOPT     0x00000150

#define R_CFG_CSBO      0x00000152

#define R_CFG_GEN1      0x00000153

#define R_CFG_GEN2      0x00000154

#define R_CFG_GEN3      0x00000155

#define R_CFG_GEN4      0x00000156

#define R_CFG_GEN5      0x00000157

#define R_CFG_MODE      0x00000158

#define R_CFG_GWE       0x00000159

#define R_CFG_GTS       0x0000015a

#define R_CFG_MFWR      0x0000015b

#define R_CFG_CCLK      0x0000015c

#define R_CFG_SEU       0x0000015d

#define R_CFG_EXP       0x0000015e

#define R_CFG_RDBK      0x0000015f

#define R_CFG_BOOTSTS   0x00000160

#define R_CFG_EYE       0x00000161

#define R_CFG_CBC       0x00000162

// RAM memory space

#define RAMBASE         0x00002000

#define MEMWORDS        (1<<13)

// Flash memory space

#define SPIFLASH        0x00040000

#define FLASHWORDS      (1<<18)

// SDRAM memory space

#define SDRAMBASE       0x00800000

#define SDRAMWORDS      (1<<25)

// Zip CPU Control and Debug registers

#define R_ZIPCTRL       0x01000000

#define R_ZIPDATA       0x01000001

// Interrupt control constants

#define GIE             0x80000000      // Enable all interrupts

#define SCOPEN          0x80080008      // Enable WBSCOPE interrupts

#define ISPIF_EN        0x80040004      // Enable SPI Flash interrupts

#define ISPIF_DIS       0x00040000      // Disable SPI Flash interrupts

#define ISPIF_CLR       0x00000004      // Clear pending SPI Flash interrupt

// Flash control constants

#define ERASEFLAG       0x80000000

#define DISABLEWP       0x10000000

#define SZPAGE          64

#define PGLEN           64

#define NPAGES          32

#define SECTORSZ        (NPAGES * SZPAGE)

#define NSECTORS        256

#define SECTOROF(A)     ((A) & (-1<<10))

#define PAGEOF(A)       ((A) & (-1<<6))

#define RAMLEN          0x02000

// ZIP Control sequences

#define CPU_GO          0x0000

#define CPU_RESET       0x0040

#define CPU_INT         0x0080

#define CPU_STEP        0x0100

#define CPU_STALL       0x0200

#define CPU_HALT        0x0400

#define CPU_CLRCACHE    0x0800

#define CPU_sR0         (0x0000|CPU_HALT)

#define CPU_sSP         (0x000d|CPU_HALT)

#define CPU_sCC         (0x000e|CPU_HALT)

#define CPU_sPC         (0x000f|CPU_HALT)

#define CPU_uR0         (0x0010|CPU_HALT)

#define CPU_uSP         (0x001d|CPU_HALT)

#define CPU_uCC         (0x001e|CPU_HALT)

#define CPU_uPC         (0x001f|CPU_HALT)

// Scop definition/sequences

#define SCOPE_NO_RESET  0x80000000

#define SCOPE_TRIGGER   (0x08000000|SCOPE_NO_RESET)

#define SCOPE_DISABLE   (0x04000000)

typedef struct {

        unsigned        m_addr;

        const char      *m_name;

} REGNAME;

extern  const   REGNAME *bregs;

extern  const   int     NREGS;

// #define      NREGS   (sizeof(bregs)/sizeof(bregs[0]))

extern  unsigned        addrdecode(const char *v);

extern  const   char *addrname(const unsigned v);

#include "ttybus.h"

// #include "portbus.h"

typedef TTYBUS  FPGA;

#endif