1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/asic.c	Tue Jul 11 01:35:27 2006 +0000
     1.3 @@ -0,0 +1,84 @@
     1.4 +/**
     1.5 + * $Id: asic.c,v 1.1 2006-07-11 01:35:23 nkeynes Exp $
     1.6 + * 
     1.7 + * General ASIC support code
     1.8 + *
     1.9 + * Copyright (c) 2006 Nathan Keynes.
    1.10 + *
    1.11 + * This program is free software; you can redistribute it and/or modify
    1.12 + * it under the terms of the GNU General Public License as published by
    1.13 + * the Free Software Foundation; either version 2 of the License, or
    1.14 + * (at your option) any later version.
    1.15 + *
    1.16 + * This program is distributed in the hope that it will be useful,
    1.17 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.18 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.19 + * GNU General Public License for more details.
    1.20 + */
    1.21 +
    1.22 +#include "lib.h"
    1.23 +
    1.24 +#define ASIC_BASE 0xA05F6000
    1.25 +#define ASIC_PIRQ(n) (ASIC_BASE + 0x900 + (n<<2))
    1.26 +#define ASIC_IRQA(n) (ASIC_BASE + 0x910 + (n<<2))
    1.27 +#define ASIC_IRQB(n) (ASIC_BASE + 0x920 + (n<<2))
    1.28 +#define ASIC_IRQC(n) (ASIC_BASE + 0x930 + (n<<2))
    1.29 +#define TIMEOUT 10000000
    1.30 +
    1.31 +/**
    1.32 + * Wait for an ASIC event. 
    1.33 + * @return 0 if the event occurred, otherwise -1 if the wait timed out.
    1.34 + */
    1.35 +int asic_wait( int event )
    1.36 +{
    1.37 +    int n = event >> 5;
    1.38 +    unsigned int mask = (1<< (event&0x1f));
    1.39 +    int i;
    1.40 +    for( i=0; i<TIMEOUT; i++ ) {
    1.41 +	if( long_read(ASIC_PIRQ(n)) & mask ) {
    1.42 +	    return 0;
    1.43 +	}
    1.44 +    }
    1.45 +    return -1; /* Timeout */
    1.46 +}
    1.47 +
    1.48 +/**
    1.49 + * Clear all asic events
    1.50 + */
    1.51 +void asic_clear()
    1.52 +{
    1.53 +    long_write(ASIC_PIRQ(0), 0xFFFFFFFF);
    1.54 +    long_write(ASIC_PIRQ(1), 0xFFFFFFFF);
    1.55 +    long_write(ASIC_PIRQ(2), 0xFFFFFFFF);
    1.56 +}
    1.57 +
    1.58 +void asic_mask_all()
    1.59 +{
    1.60 +    long_write(ASIC_IRQA(0), 0);
    1.61 +    long_write(ASIC_IRQA(1), 0);
    1.62 +    long_write(ASIC_IRQA(2), 0);
    1.63 +    long_write(ASIC_IRQB(0), 0);
    1.64 +    long_write(ASIC_IRQB(1), 0);
    1.65 +    long_write(ASIC_IRQB(2), 0);
    1.66 +    long_write(ASIC_IRQC(0), 0);
    1.67 +    long_write(ASIC_IRQC(1), 0);
    1.68 +    long_write(ASIC_IRQC(2), 0);
    1.69 +}
    1.70 +
    1.71 +/**
    1.72 + * Print the contents of the ASIC event registers to the supplied FILE
    1.73 + */
    1.74 +void asic_dump( FILE *f )
    1.75 +{
    1.76 +    int i,j;
    1.77 +    fprintf( f, "Events: " );
    1.78 +    for( i=0; i<3; i++ ) {
    1.79 +	uint32_t val = long_read(ASIC_PIRQ(i));
    1.80 +	for( j=0; j<32; j++ ) {
    1.81 +	    if( val & (1<<j) ) {
    1.82 +		fprintf( f, "%d ", (i<<5)+j );
    1.83 +	    }
    1.84 +	}
    1.85 +    }
    1.86 +    fprintf( f, "\n" );
    1.87 +}