125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
/*-
|
|
* Copyright (c) 2014 M. Warner Losh. 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 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 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("$FreeBSD$");
|
|
|
|
#define _ARM32_BUS_DMA_PRIVATE
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/bus.h>
|
|
|
|
#include <vm/vm.h>
|
|
|
|
#include <machine/devmap.h>
|
|
#include <machine/intr.h>
|
|
#include <machine/machdep.h>
|
|
#include <machine/platform.h>
|
|
|
|
#include <arm/at91/at91var.h>
|
|
#include <arm/at91/at91soc.h>
|
|
#include <arm/at91/at91_aicreg.h>
|
|
|
|
#include <dev/fdt/fdt_common.h>
|
|
#include <dev/ofw/openfirm.h>
|
|
|
|
#include <machine/fdt.h>
|
|
|
|
extern const struct arm_devmap_entry at91_devmap[];
|
|
|
|
struct fdt_fixup_entry fdt_fixup_table[] = {
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
#ifndef ARM_INTRNG
|
|
static int
|
|
fdt_aic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
|
|
int *pol)
|
|
{
|
|
int offset;
|
|
|
|
if (fdt_is_compatible(node, "atmel,at91rm9200-aic"))
|
|
offset = 0;
|
|
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_aic_decode_ic,
|
|
NULL
|
|
};
|
|
#endif
|
|
|
|
static void
|
|
at91_eoi(void *unused)
|
|
{
|
|
uint32_t *eoicr = (uint32_t *)(0xdffff000 + IC_EOICR);
|
|
|
|
*eoicr = 0;
|
|
}
|
|
|
|
|
|
vm_offset_t
|
|
platform_lastaddr(void)
|
|
{
|
|
|
|
return (arm_devmap_lastaddr());
|
|
}
|
|
|
|
void
|
|
platform_probe_and_attach(void)
|
|
{
|
|
|
|
arm_post_filter = at91_eoi;
|
|
at91_soc_id();
|
|
}
|
|
|
|
int
|
|
platform_devmap_init(void)
|
|
{
|
|
|
|
// arm_devmap_add_entry(0xfff00000, 0x00100000); /* 1MB - uart, aic and timers*/
|
|
|
|
arm_devmap_register_table(at91_devmap);
|
|
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
platform_gpio_init(void)
|
|
{
|
|
}
|
|
|
|
void
|
|
platform_late_init(void)
|
|
{
|
|
}
|