source: rtems/cpukit/score/cpu/avr/avr/io76c711.h @ 04a62dce

/* Copyright (c) 2002, Marek Michalkiewicz
   All rights reserved.

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions are met:

   * Redistributions of source code must retain the above copyright
     notice, this list of conditions and the following disclaimer.

   * Redistributions in binary form must reproduce the above copyright
     notice, this list of conditions and the following disclaimer in
     the documentation and/or other materials provided with the
     distribution.

   * Neither the name of the copyright holders nor the names of
     contributors may be used to endorse or promote products derived
     from this software without specific prior written permission.

  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. */

/* $Id$ */

/* avr/io76c711.h - definitions for AT76C711 */

#ifndef _AVR_IO76C711_H_
#define _AVR_IO76C711_H_ 1

/* This file should only be included from <avr/io.h>, never directly. */

#ifndef _AVR_IO_H_
#  error "Include <avr/io.h> instead of this file."
#endif

#ifndef _AVR_IOXXX_H_
#  define _AVR_IOXXX_H_ "io76c711.h"
#else
#  error "Attempt to include more than one <avr/ioXXX.h> file."
#endif 

/* I/O registers */

/* 0x00-0x0C reserved */

/* SPI */
#define SPCR    _SFR_IO8(0x0D)
#define SPSR    _SFR_IO8(0x0E)
#define SPDR    _SFR_IO8(0x0F)

/* Port D */
#define PIND    _SFR_IO8(0x10)
#define DDRD    _SFR_IO8(0x11)
#define PORTD   _SFR_IO8(0x12)

/* Peripheral Enable Register */
#define PERIPHEN _SFR_IO8(0x13)

/* Clock Control Register */
#define CLK_CNTR _SFR_IO8(0x14)

/* Data Register, Port C */
#define PORTC   _SFR_IO8(0x15)

/* Port B */
#define PINB    _SFR_IO8(0x16)
#define DDRB    _SFR_IO8(0x17)
#define PORTB   _SFR_IO8(0x18)

/* Port A */
#define PINA    _SFR_IO8(0x19)
#define DDRA    _SFR_IO8(0x1A)
#define PORTA   _SFR_IO8(0x1B)

/* 0x1C-0x1F reserved */

#define IRDAMOD _SFR_IO8(0x20)

#define WDTCR   _SFR_IO8(0x21)

/* 0x22-0x25 reserved */
/* Timer 1 */
#define ICR1    _SFR_IO16(0x26)
#define ICR1L   _SFR_IO8(0x26)
#define ICR1H   _SFR_IO8(0x27)
#define OCR1B   _SFR_IO16(0x28)
#define OCR1BL  _SFR_IO8(0x28)
#define OCR1BH  _SFR_IO8(0x29)
#define OCR1A   _SFR_IO16(0x2A)
#define OCR1AL  _SFR_IO8(0x2A)
#define OCR1AH  _SFR_IO8(0x2B)
#define TCNT1   _SFR_IO16(0x2C)
#define TCNT1L  _SFR_IO8(0x2C)
#define TCNT1H  _SFR_IO8(0x2D)
#define TCCR1B  _SFR_IO8(0x2E)
#define TCCR1A  _SFR_IO8(0x2F)

/* 0x30 reserved */

/* Timer 0 */
#define PRELD   _SFR_IO8(0x31)
#define TCNT0   _SFR_IO8(0x32)
#define TCCR0   _SFR_IO8(0x33)

#define MCUSR   _SFR_IO8(0x34)
#define MCUCR   _SFR_IO8(0x35)

#define TIFR    _SFR_IO8(0x36)
#define TIMSK   _SFR_IO8(0x37)

/* 0x38 reserved */

#define EIMSK   _SFR_IO8(0x39)

/* 0x3A-0x3C reserved */

/* 0x3D..0x3E SP */

/* 0x3F SREG */

/* Interrupt vectors */

#define SIG_SUSPEND_RESUME      _VECTOR(1)
#define SIG_INTERRUPT0          _VECTOR(2)
#define SIG_INPUT_CAPTURE1      _VECTOR(3)
#define SIG_OUTPUT_COMPARE1A    _VECTOR(4)
#define SIG_OUTPUT_COMPARE1B    _VECTOR(5)
#define SIG_OVERFLOW1           _VECTOR(6)
#define SIG_OVERFLOW0           _VECTOR(7)
#define SIG_SPI                 _VECTOR(8)
#define SIG_TDMAC               _VECTOR(9)
#define SIG_UART0               _VECTOR(10)
#define SIG_RDMAC               _VECTOR(11)
#define SIG_USB_HW              _VECTOR(12)
#define SIG_UART1               _VECTOR(13)
#define SIG_INTERRUPT1          _VECTOR(14)

#define _VECTORS_SIZE 60

/* Bit numbers */

/* EIMSK */
/* bits 7-4 reserved */
#define POL1    3
#define POL0    2
#define INT1    1
#define INT0    0

/* TIMSK */
#define TOIE1   7
#define OCIE1A  6
#define OCIE1B  5
/* bit 4 reserved */
#define TICIE1  3
/* bit 2 reserved */
#define TOIE0   1
/* bit 0 reserved */

/* TIFR */
#define TOV1    7
#define OCF1A   6
#define OCF1B   5
/* bit 4 reserved */
#define ICF1    3
/* bit 2 reserved */
#define TOV0    1
/* bit 0 reserved */

/* MCUCR */
/* bits 7-6 reserved */
#define SE      5
#define SM1     4
#define SM0     3
/* bits 2-0 reserved */

/* MCUSR */
/* bits 7-2 reserved */
#define EXTRF   1
#define PORF    0

/* TCCR0 */
/* bits 7-6 reserved */
#define COM01   5
#define COM00   4
#define CTC0    3
#define CS02    2
#define CS01    1
#define CS00    0

/* TCCR1A */
#define COM1A1  7
#define COM1A0  6
#define COM1B1  5
#define COM1B0  4
/* bits 3-0 reserved */

/* TCCR1B */
#define ICNC1   7
#define ICES1   6
/* bits 5-4 reserved */
#define CTC1    3
#define CS12    2
#define CS11    1
#define CS10    0

/* WDTCR */
/* bits 7-5 reserved */
#define WDTOE   4
#define WDE     3
#define WDP2    2
#define WDP1    1
#define WDP0    0

/* IRDAMOD */
/* bits 7-3 reserved */
#define POL     2
#define MODE    1
#define EN      0

/* PORTA */
#define PA7     7
#define PA6     6
#define PA5     5
#define PA4     4
#define PA3     3
#define PA2     2
#define PA1     1
#define PA0     0

/* DDRA */
#define DDA7    7
#define DDA6    6
#define DDA5    5
#define DDA4    4
#define DDA3    3
#define DDA2    2
#define DDA1    1
#define DDA0    0

/* PINA */
#define PINA7   7
#define PINA6   6
#define PINA5   5
#define PINA4   4
#define PINA3   3
#define PINA2   2
#define PINA1   1
#define PINA0   0

/*
   PB7 = SCK
   PB6 = MISO
   PB5 = MOSI
   PB4 = SS#
   PB2 = ICP
   PB1 = T1
   PB0 = T0
 */

/* PORTB */
#define PB7     7
#define PB6     6
#define PB5     5
#define PB4     4
#define PB3     3
#define PB2     2
#define PB1     1
#define PB0     0

/* DDRB */
#define DDB7    7
#define DDB6    6
#define DDB5    5
#define DDB4    4
#define DDB3    3
#define DDB2    2
#define DDB1    1
#define DDB0    0

/* PINB */
#define PINB7   7
#define PINB6   6
#define PINB5   5
#define PINB4   4
#define PINB3   3
#define PINB2   2
#define PINB1   1
#define PINB0   0

/* PORTC */
/* bits 7-4 reserved */
#define PC3      3
#define PC2      2
#define PC1      1
#define PC0      0

/*
   PD7 = INT1 / OC1B
   PD6 = INT0 / OC1A
   PD1 = TXD
   PD0 = RXD
 */

/* PORTD */
#define PD7      7
#define PD6      6
#define PD5      5
#define PD4      4
#define PD3      3
#define PD2      2
#define PD1      1
#define PD0      0

/* DDRD */
#define DDD7    7
#define DDD6    6
#define DDD5    5
#define DDD4    4
#define DDD3    3
#define DDD2    2
#define DDD1    1
#define DDD0    0

/* PIND */
#define PIND7   7
#define PIND6   6
#define PIND5   5
#define PIND4   4
#define PIND3   3
#define PIND2   2
#define PIND1   1
#define PIND0   0

/* CLK_CNTR */
/* bits 7-5 reserved */
#define UOSC    4
#define UCK     3
#define IRCK    2
/* bits 1-0 reserved */

/* PERIPHEN */
/* bits 7-3 reserved */
#define IRDA    2
#define UART    1
#define USB     0

/* SPSR */
#define SPIF    7
#define WCOL    6
/* bits 5-0 reserved */

/* SPCR */
#define SPIE    7
#define SPE     6
#define DORD    5
#define MSTR    4
#define CPOL    3
#define CPHA    2
#define SPR1    1
#define SPR0    0

/* Memory mapped registers (XXX - not yet changed to use _SFR_MEM8() macros) */

/* UART */
#define UART0_BASE 0x2020
#define UART1_BASE 0x2030
/* offsets from the base address */
#define US_RHR          0x00
#define US_THR          0x00
#define US_IER          0x01
#define US_FCR          0x02
#define US_PMR          0x03
#define US_MR           0x04
#define US_CSR          0x05
#define US_CR           0x06
#define US_BL           0x07
#define US_BM           0x08
#define US_RTO          0x09
#define US_TTG          0x0A

/* DMA */
#define DMA_BASE 0x2000
/* offsets from the base address */
#define TXTADL          0x01
#define TXPLL           0x03
#define TXPLM           0x04
#define TXTPLL          0x05
#define TXTPLM          0x06
#define RXTADL          0x07
#define RXTADMEN        0x08
#define RSPLL           0x09
#define RXPLM           0x0A
#define RXTPLL          0x0B
#define RXTPLM          0x0C
#define INTCST          0x0D
/* XXX DPORG register mentioned on page 20, but undocumented */

/* XXX Program Memory Control Bit mentioned on page 20, but undocumented */
#define PROGRAM_MEMORY_CONTROL_BIT 0x2040

/* USB */
#define USB_BASE 0x1000
/* offsets from the base address */
#define FRM_NUM_H       0x0FD
#define FRM_NUM_L       0x0FC
#define GLB_STATE       0x0FB
#define SPRSR           0x0FA
#define SPRSIE          0x0F9
#define UISR            0x0F7
#define UIAR            0x0F5
#define FADDR           0x0F2
#define ENDPPGPG        0x0F1
#define ECR0            0x0EF
#define ECR1            0x0EE
#define ECR2            0x0ED
#define ECR3            0x0EC
#define ECR4            0x0EB
#define ECR5            0x0EA
#define ECR6            0x0E9
#define ECR7            0x0E8
#define CSR0            0x0DF
#define CSR1            0x0DE
#define CSR2            0x0DD
#define CSR3            0x0DC
#define CSR4            0x0DB
#define CSR5            0x0DA
#define CSR6            0x0D9
#define CSR7            0x0D8
#define FDR0            0x0CF
#define FDR1            0x0CE
#define FDR2            0x0CD
#define FDR3            0x0CC
#define FDR4            0x0CB
#define FDR5            0x0CA
#define FDR6            0x0C9
#define FDR7            0x0C8
#define FBYTE_CNT0_L    0x0BF
#define FBYTE_CNT1_L    0x0BE
#define FBYTE_CNT2_L    0x0BD
#define FBYTE_CNT3_L    0x0BC
#define FBYTE_CNT4_L    0x0BB
#define FBYTE_CNT5_L    0x0BA
#define FBYTE_CNT6_L    0x0B9
#define FBYTE_CNT7_L    0x0B8
#define FBYTE_CNT0_H    0x0AF
#define FBYTE_CNT1_H    0x0AE
#define FBYTE_CNT2_H    0x0AD
#define FBYTE_CNT3_H    0x0AC
#define FBYTE_CNT4_H    0x0AB
#define FBYTE_CNT5_H    0x0AA
#define FBYTE_CNT6_H    0x0A9
#define FBYTE_CNT7_H    0x0A8
#define SLP_MD_EN       0x100
#define IRQ_EN          0x101
#define IRQ_STAT        0x102
#define SUSP_WUP        0x103
#define PA_EN           0x104
#define USB_DMA_ADL     0x105
#define USB_DMA_ADH     0x106
#define USB_DMA_PLR     0x107
#define USB_DMA_EAD     0x108
#define USB_DMA_PLT     0x109
#define USB_DMA_EN      0x10A

/* Last memory addresses */
#define RAMEND          0x07FF
#define XRAMEND         RAMEND
#define E2END           0
#define FLASHEND        0x3FFF

/*
   AT76C711 data space memory map (ranges not listed are reserved):
   0x0000 - 0x001F - AVR registers
   0x0020 - 0x005F - AVR I/O space
   0x0060 - 0x07FF - AVR data SRAM
   0x1000 - 0x1FFF - USB (not all locations used)
   0x2000 - 0x201F - DMA controller
   0x2020 - 0x202F - UART0
   0x2030 - 0x203F - UART1 (IRDA)
   0x2040          - the mysterious Program Memory Control bit (???)
   0x3000 - 0x37FF - DPRAM
   0x8000 - 0xBFFF - program SRAM (read/write), would be nice if other
                     AVR devices did that as well (no need to use LPM!)
 */
#endif /* _AVR_IO76C711_H_ */