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/*-
* Copyright (c) 2012 Olivier Houchard. 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 ``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 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>
#include <arm/ti/ti_smc.h>
#include <arm/ti/omap4/omap4_smc.h>
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 scu_addr;
if (bus_space_map(fdtbus_bs_tag, 0x48240000, 0x1000, 0, &scu_addr) != 0)
panic("Couldn't map the SCU\n");
/* Enable the SCU */
*(volatile unsigned int *)scu_addr |= 1;
//*(volatile unsigned int *)(scu_addr + 0x30) |= 1;
cpu_idcache_wbinv_all();
cpu_l2cache_wbinv_all();
ti_smc0(0x200, 0xfffffdff, MODIFY_AUX_CORE_0);
ti_smc0(pmap_kextract((vm_offset_t)mpentry), 0, WRITE_AUX_CORE_1);
armv7_sev();
bus_space_unmap(fdtbus_bs_tag, scu_addr, 0x1000);
}
void
platform_ipi_send(cpuset_t cpus, u_int ipi)
{
pic_ipi_send(cpus, ipi);
}
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