2 * Copyright (c) 2013 Ruslan Bukin <br@bsdpad.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 #include <sys/param.h>
30 #include <sys/systm.h>
33 #include <sys/mutex.h>
36 #include <machine/smp.h>
37 #include <machine/fdt.h>
38 #include <machine/intr.h>
40 #define EXYNOS_SYSRAM 0x02020000
43 platform_mp_init_secondary(void)
50 platform_mp_setmaxid(void)
57 platform_mp_probe(void)
65 platform_mp_start_ap(void)
70 err = bus_space_map(fdtbus_bs_tag, EXYNOS_SYSRAM, 0x100, 0, &sysram);
72 panic("Couldn't map sysram\n");
74 bus_space_write_4(fdtbus_bs_tag, sysram, 0x0,
75 pmap_kextract((vm_offset_t)mpentry));
77 cpu_idcache_wbinv_all();
78 cpu_l2cache_wbinv_all();
81 bus_space_unmap(fdtbus_bs_tag, sysram, 0x100);
85 platform_ipi_send(cpuset_t cpus, u_int ipi)
88 pic_ipi_send(cpus, ipi);