freebsd-skq/sys/arm/allwinner/a10_common.c

69 lines
2.1 KiB
C

/*-
* Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <dev/fdt/fdt_common.h>
#include <dev/ofw/openfirm.h>
#include <machine/bus.h>
#include <machine/vmparam.h>
struct fdt_fixup_entry fdt_fixup_table[] = {
{ NULL, NULL }
};
static int
fdt_aintc_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
int *pol)
{
int offset;
if (fdt_is_compatible(node, "allwinner,sun4i-ic"))
offset = 0;
else if (fdt_is_compatible(node, "arm,gic"))
offset = 32;
else
return (ENXIO);
*interrupt = fdt32_to_cpu(intr[0]) + offset;
*trig = INTR_TRIGGER_CONFORM;
*pol = INTR_POLARITY_CONFORM;
return (0);
}
fdt_pic_decode_t fdt_pic_table[] = {
&fdt_aintc_decode_ic,
NULL
};