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/*-
* Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com>
* 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/lock.h>
#include <sys/mutex.h>
#include <sys/smp.h>
#include <machine/smp.h>
#include <machine/fdt.h>
#include <machine/intr.h>
#define EXYNOS_SYSRAM 0x02020000
void mpentry(void);
void mptramp(void);
void
platform_mp_init_secondary(void)
{
gic_init_secondary();
}
void
platform_mp_setmaxid(void)
{
mp_maxid = 1;
}
int
platform_mp_probe(void)
{
mp_ncpus = 2;
return (1);
}
void
platform_mp_start_ap(void)
{
bus_addr_t sysram;
int err;
err = bus_space_map(fdtbus_bs_tag, EXYNOS_SYSRAM, 0x100, 0, &sysram);
if (err != 0)
panic("Couldn't map sysram\n");
bus_space_write_4(fdtbus_bs_tag, sysram, 0x0,
pmap_kextract((vm_offset_t)mpentry));
cpu_idcache_wbinv_all();
cpu_l2cache_wbinv_all();
armv7_sev();
bus_space_unmap(fdtbus_bs_tag, sysram, 0x100);
}
void
platform_ipi_send(cpuset_t cpus, u_int ipi)
{
pic_ipi_send(cpus, ipi);
}
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