bit more work on PATA support
This commit is contained in:
Oliver Lehmann
parent
edcf3936b0
commit
39eed1c045
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@ -26,7 +26,7 @@
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*/
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/*
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* $Id: wdc_avr.c,v 1.2 2012/06/13 20:17:45 olivleh1 Exp $
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* $Id: wdc_avr.c,v 1.3 2012/06/14 20:24:24 olivleh1 Exp $
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*/
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@ -62,6 +62,23 @@ void wdc_init_avr()
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configure_pin_sck();
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configure_pin_mosi();
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configure_pin_mmc_cs();
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/* configure the ATA interface */
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configure_ata_wr();
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configure_ata_rd();
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configure_ata_cs0();
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configure_ata_cs1();
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configure_ata_da0();
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configure_ata_da1();
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configure_ata_da2();
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ata_wr_disable();
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ata_rd_disable();
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ata_cs0_disable();
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ata_cs1_disable();
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ata_da0_disable();
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ata_da1_disable();
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ata_da2_disable();
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}
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void wdc_get_sysconf()
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@ -26,7 +26,7 @@
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*/
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/*
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* $Id: wdc_avr.h,v 1.2 2012/06/13 20:17:45 olivleh1 Exp $
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* $Id: wdc_avr.h,v 1.3 2012/06/14 20:24:24 olivleh1 Exp $
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*/
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@ -57,6 +57,10 @@
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#define init_addressdecoder() PORT_ADRDEC &= ~( ( 1 << PIN_ADRDEC_ADDR0 ) | ( 1 << PIN_ADRDEC_ADDR1 ) | ( 1 << PIN_ADRDEC_ADDR2 ) )
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#define enable_p8000com() PORT_ADRDEC |= ( 1 << PIN_ADRDEC_ADDR0 )
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#define disable_p8000com() PORT_ADRDEC &= ~( 1 << PIN_ADRDEC_ADDR0 )
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#define enable_rdwrtoata() PORT_ADRDEC |= ( 1 << PIN_ADRDEC_ADDR1 )
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#define disable_rdwrtoata() PORT_ADRDEC &= ~( 1 << PIN_ADRDEC_ADDR1 )
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#define enable_atalatch() PORT_ADRDEC |= ( ( 1 << PIN_ADRDEC_ADDR0 ) | ( 1 << PIN_ADRDEC_ADDR1 ))
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#define disable_atalatch() PORT_ADRDEC &= ~( ( 1 << PIN_ADRDEC_ADDR0 ) | ( 1 << PIN_ADRDEC_ADDR1 ))
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#define enable_sysconf() PORT_ADRDEC |= ( ( 1 << PIN_ADRDEC_ADDR0 ) | ( 1 << PIN_ADRDEC_ADDR1 ) | ( 1 << PIN_ADRDEC_ADDR2 ) )
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#define disable_sysconf() PORT_ADRDEC &= ~( ( 1 << PIN_ADRDEC_ADDR0 ) | ( 1 << PIN_ADRDEC_ADDR1 ) | ( 1 << PIN_ADRDEC_ADDR2 ) )
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@ -75,6 +79,30 @@
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#define jumper_nn3_set() ~port_data_get() & (1<<PIN_DATA_D2)
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#define jumper_nn4_set() ~port_data_get() & (1<<PIN_DATA_D3)
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/* functions dealing with the ATA interface */
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#define configure_ata_wr() DDR_ATARDWR |= ( 1 << PIN_ATARDWR_WR )
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#define configure_ata_rd() DDR_ATARDWR |= ( 1 << PIN_ATARDWR_RD )
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#define configure_ata_cs0() DDR_ATACS |= ( 1 << PIN_ATACS_CS0 )
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#define configure_ata_cs1() DDR_ATACS |= ( 1 << PIN_ATACS_CS1 )
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#define configure_ata_da0() DDR_ATADA |= ( 1 << PIN_ATADA_DA0 )
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#define configure_ata_da1() DDR_ATADA |= ( 1 << PIN_ATADA_DA1 )
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#define configure_ata_da2() DDR_ATADA |= ( 1 << PIN_ATADA_DA2 )
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#define ata_wr_disable() PORT_ATARDWR |= (1<<PIN_ATARDWR_WR)
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#define ata_wr_enable() PORT_ATARDWR &= ~(1<<PIN_ATARDWR_WR)
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#define ata_rd_disable() PORT_ATARDWR |= (1<<PIN_ATARDWR_RD)
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#define ata_rd_enable() PORT_ATARDWR &= ~(1<<PIN_ATARDWR_RD)
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#define ata_cs0_disable() PORT_ATACS |= (1<<PIN_ATACS_CS0)
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#define ata_cs0_enable() PORT_ATACS &= ~(1<<PIN_ATACS_CS0)
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#define ata_cs1_disable() PORT_ATACS |= (1<<PIN_ATACS_CS1)
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#define ata_cs1_enable() PORT_ATACS &= ~(1<<PIN_ATACS_CS1)
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#define ata_da0_disable() PORT_ATADA |= (1<<PIN_ATADA_DA0)
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#define ata_da0_enable() PORT_ATADA &= ~(1<<PIN_ATADA_DA0)
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#define ata_da1_disable() PORT_ATADA |= (1<<PIN_ATADA_DA1)
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#define ata_da1_enable() PORT_ATADA &= ~(1<<PIN_ATADA_DA1)
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#define ata_da2_disable() PORT_ATADA |= (1<<PIN_ATADA_DA2)
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#define ata_da2_enable() PORT_ATADA &= ~(1<<PIN_ATADA_DA2)
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extern void wdc_init_avr();
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extern void wdc_get_sysconf();
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@ -26,7 +26,7 @@
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*/
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/*
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* $Id: wdc_config.h,v 1.15 2012/06/13 20:17:45 olivleh1 Exp $
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* $Id: wdc_config.h,v 1.16 2012/06/14 20:24:24 olivleh1 Exp $
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*/
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@ -51,6 +51,8 @@
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#define PIN_ADRDEC PIND
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#define DDR_ADRDEC DDRD
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#define PIN_DATA_D0 PINA0
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#define PIN_DATA_D1 PINA1
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#define PIN_DATA_D2 PINA2
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@ -71,6 +73,7 @@
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#define PIN_ADRDEC_ADDR0 PIND5
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#define PIN_ADRDEC_ADDR1 PIND6
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#define PIN_ADRDEC_ADDR2 PIND7
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/*
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* SD-Card Interface
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*/
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@ -83,6 +86,30 @@
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#define PIN_MMC_MISO PINB6 /* AVR Port: MISO / MMC Card: Data-Out */
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#define PIN_MMC_SCK PINB7 /* AVR Port: SCk / MMC Card: CLK */
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/*
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* ATA Interface
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*/
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#define PORT_ATARDWR PORTB
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#define PIN_ATARDWR PINB
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#define DDR_ATARDWR DDRB
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#define PORT_ATACS PORTB
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#define PIN_ATACS PINB
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#define DDR_ATACS DDRB
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#define PORT_ATADA PORTD
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#define PIN_ATADA PIND
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#define DDR_ATADA DDRD
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#define PIN_ATARDWR_WR PINB2
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#define PIN_ATARDWR_RD PINB3
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#define PIN_ATACS_CS0 PINB0
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#define PIN_ATACS_CS1 PINB1
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#define PIN_ATADA_DA0 PIND2
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#define PIN_ATADA_DA1 PIND3
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#define PIN_ATADA_DA2 PIND4
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/*
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* maximum performance with both turned off
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*
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@ -26,14 +26,46 @@
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*/
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/*
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* $Id: wdc_drv_pata.c,v 1.2 2012/06/13 20:17:45 olivleh1 Exp $
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* $Id: wdc_drv_pata.c,v 1.3 2012/06/14 20:24:24 olivleh1 Exp $
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*/
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#include <avr/io.h>
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#include "wdc_config.h"
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#include <avr/io.h>
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#include <util/delay.h>
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#include "wdc_avr.h"
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#include "uart.h"
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void pata_set_highbyte ( uint8_t byte )
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{
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port_data_set ( byte );
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enable_atalatch();
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nop();
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nop();
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disable_atalatch();
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}
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void pata_set_lowbyte ( uint8_t byte )
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{
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port_data_set ( byte );
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}
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void pata_send_data()
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{
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enable_rdwrtoata();
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_delay_us(10);
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// disable_rdwrtoata();
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}
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uint8_t pata_init ()
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{
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uart_putc('1');
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/* test write */
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configure_port_data_write();
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ata_wr_enable();
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pata_set_highbyte ( 0xff );
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pata_set_lowbyte ( 0x00 );
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pata_send_data();
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// ata_wr_disable();
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return 1;
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}
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@ -1,14 +1,41 @@
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/*
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* wdc_drv_pata.h
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/*-
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* Copyright (c) 2012 Oliver Lehmann
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Created: 12.06.2012 21:57:08
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* Author: olivleh1
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*/
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/*
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* $Id: wdc_drv_pata.h,v 1.3 2012/06/14 20:24:24 olivleh1 Exp $
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*/
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#ifndef WDC_DRV_PATA_H_
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#define WDC_DRV_PATA_H_
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extern void pata_set_highbyte(uint8_t byte);
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extern void pata_set_lowbyte(uint8_t byte);
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extern void pata_send_data();
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extern uint8_t pata_init ();
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extern uint8_t pata_read_block ( uint32_t addr, uint8_t *buffer );
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