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From: cvs at opencores.org<cvs@o...>
Date: Wed Mar 28 23:30:30 CEST 2007
Subject: [cvs-checkins] MODIFIED: openfire2 ...
Date: 00/07/03 28:23:30

Added: openfire2/sw/lib Makefile openfire.h uart1io.c
Log:



Revision Changes Path
1.1 openfire2/sw/lib/Makefile

http://www.opencores.org/cvsweb.shtml/openfire2/sw/lib/Makefile?rev=1.1&content-type=text/x-cvsweb-markup

Index: Makefile
===================================================================
all:
mb-gcc -c -mno-xl-soft-mul -c -Wa,-ahlms=uart1io.lst -o uart1io.o uart1io.c

clean:
-rm *.o
-rm *.out
-rm *.bin
-rm *.v
-rm *.map
-rm *.lst
-rm *.bak
-rm *.srec
-rm *.prom
-rm *.rom



1.1 openfire2/sw/lib/openfire.h

http://www.opencores.org/cvsweb.shtml/openfire2/sw/lib/openfire.h?rev=1.1&content-type=text/x-cvsweb-markup

Index: openfire.h
===================================================================
/* peripherals address and configurations */
/* openfire soc - 20070327 - a.anton */

#define SP3SK_GPIO 0x08000000

#define SP3SK_GPIO_SEGMENTS_N 0x000000FF
#define SP3SK_GPIO_DRIVERS_N 0x00000F00
#define SP3SK_GPIO_PUSHBUTTONS 0x0000F000
#define SP3SK_GPIO_LEDS 0x00FF0000
#define SP3SK_GPIO_SWITCHES 0xFF000000

#define UARTS_STATUS_REGISTER 0x08000004

#define UART1_DATA_PRESENT 0x00000001
#define UART1_RX_HALF_FULL 0x00000002
#define UART1_RX_FULL 0x00000004
#define UART1_TX_HALF_FULL 0x00000008
#define UART1_TX_BUFFER_FULL 0x00000010

#define UART2_DATA_PRESENT 0x00010000
#define UART2_RX_HALF_FULL 0x00020000
#define UART2_RX_FULL 0x00040000
#define UART2_TX_HALF_FULL 0x00080000
#define UART2_TX_FULL 0x00100000

#define UART1_TXRX_DATA 0x08000008
#define UART2_TXRX_DATA 0x0800000C

#define PROM_READER 0x08000010
#define PROM_DATA 0x000000FF
#define PROM_REQUEST_SYNC 0x00000100
#define PROM_REQUEST_DATA 0x00000200
#define PROM_SYNCED 0x00000400
#define PROM_DATA_READY 0x00000800

#define TIMER1_PORT 0x08000014
#define TIMER1_VALUE 0x7FFFFFFF
#define TIMER1_CONTROL 0x80000000

#define INTERRUPT_ENABLE 0x08000018
#define INTERRUPT_TIMER1 0x00000001
#define INTERRUPT_UART1_RX 0x00000002
#define INTERRUPT_UART2_RX 0x00000004



1.1 openfire2/sw/lib/uart1io.c

http://www.opencores.org/cvsweb.shtml/openfire2/sw/lib/uart1io.c?rev=1.1&content-type=text/x-cvsweb-markup

Index: uart1io.c
===================================================================
/* libio
functions for low level use with libc
*/

#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#ifndef NULL
#define NULL 0
#endif

#define UARTS_STATUS_REGISTER 0x08000004
#define UART1_DATA_PRESENT 0x01
#define UART1_TX_BUFFER_FULL 0x10 #define UART1_TXRX_DATA 0x08000008 /* errno handling in a reentrant way *TODO?* */ int *__errno(void) { return &errno; } /* outbyte -- shove a byte out the serial port. We wait till the byte */ int outbyte( unsigned char c) { while ( *(unsigned char *)UARTS_STATUS_REGISTER & UART1_TX_BUFFER_FULL ); return (*(unsigned char*) UART1_TXRX_DATA = c); } /* inbyte -- get a byte from the serial port with eco and translates \r --> \n*/ unsigned char inbyte(void) { unsigned char c; while ( (*(unsigned char *)UARTS_STATUS_REGISTER & UART1_DATA_PRESENT) == 0x0 ); c = *(unsigned char*) UART1_TXRX_DATA; if(c == '\r') c = '\n'; outbyte(c); return c; } /* havebyte() -- poll if a byte is available in the serial port */ int havebyte(void) { return *(unsigned char *)UARTS_STATUS_REGISTER & UART1_DATA_PRESENT; }