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/*-
* Copyright (c) 2013 Thomas Skibo
* 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.
*
* $FreeBSD$
*/
/*
* Machine dependent code for Xilinx Zynq-7000 Soc.
*
* Reference: Zynq-7000 All Programmable SoC Technical Reference Manual.
* (v1.4) November 16, 2012. Xilinx doc UG585.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/devmap.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <dev/fdt/fdt_common.h>
#include <machine/bus.h>
#include <machine/machdep.h>
#include <machine/platform.h>
#include <arm/xilinx/zy7_reg.h>
void (*zynq7_cpu_reset)(void);
vm_offset_t
platform_lastaddr(void)
{
return (devmap_lastaddr());
}
void
platform_probe_and_attach(void)
{
}
void
platform_gpio_init(void)
{
}
void
platform_late_init(void)
{
}
/*
* Set up static device mappings. Not strictly necessary -- simplebus will
* dynamically establish mappings as needed -- but doing it this way gets us
* nice efficient 1MB section mappings.
*/
int
platform_devmap_init(void)
{
devmap_add_entry(ZYNQ7_PSIO_HWBASE, ZYNQ7_PSIO_SIZE);
devmap_add_entry(ZYNQ7_PSCTL_HWBASE, ZYNQ7_PSCTL_SIZE);
return (0);
}
#ifndef INTRNG
static int
fdt_gic_decode_ic(phandle_t node, pcell_t *intr, int *interrupt, int *trig,
int *pol)
{
if (!fdt_is_compatible(node, "arm,gic"))
return (ENXIO);
*interrupt = fdt32_to_cpu(intr[0]);
*trig = INTR_TRIGGER_CONFORM;
*pol = INTR_POLARITY_CONFORM;
return (0);
}
fdt_pic_decode_t fdt_pic_table[] = {
&fdt_gic_decode_ic,
NULL
};
#endif
void
cpu_reset(void)
{
if (zynq7_cpu_reset != NULL)
(*zynq7_cpu_reset)();
printf("cpu_reset: no platform cpu_reset. hanging.\n");
for (;;)
;
}
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