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/*-
* Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
* Copyright (c) 2015-2016 Emmanuel Vadot <manu@bidouilliste.com>
* All rights reserved.
*
* This code is derived from software written for Brini by Mark Brinicombe
*
* 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.
*
* from: FreeBSD: //depot/projects/arm/src/sys/arm/ti/ti_machdep.c
*/
#include "opt_ddb.h"
#include "opt_platform.h"
#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 <vm/pmap.h>
#include <machine/bus.h>
#include <machine/devmap.h>
#include <machine/machdep.h>
#include <machine/platformvar.h>
#include <dev/fdt/fdt_common.h>
#include <arm/allwinner/aw_mp.h>
#include <arm/allwinner/aw_wdog.h>
#include <arm/allwinner/allwinner_machdep.h>
#include "platform_if.h"
static u_int soc_type;
static u_int soc_family;
static int
a10_attach(platform_t plat)
{
soc_type = ALLWINNERSOC_A10;
soc_family = ALLWINNERSOC_SUN4I;
return (0);
}
static int
a20_attach(platform_t plat)
{
soc_type = ALLWINNERSOC_A20;
soc_family = ALLWINNERSOC_SUN7I;
return (0);
}
static int
a31_attach(platform_t plat)
{
soc_type = ALLWINNERSOC_A31;
soc_family = ALLWINNERSOC_SUN6I;
return (0);
}
static int
a31s_attach(platform_t plat)
{
soc_type = ALLWINNERSOC_A31S;
soc_family = ALLWINNERSOC_SUN6I;
return (0);
}
static vm_offset_t
allwinner_lastaddr(platform_t plat)
{
return (arm_devmap_lastaddr());
}
/*
* Set up static device mappings.
*
* This covers all the on-chip device with 1MB section mappings, which is good
* for performance (uses fewer TLB entries for device access).
*
* XXX It also covers a block of SRAM and some GPU (mali400) stuff that maybe
* shouldn't be device-mapped. The original code mapped a 4MB block, but
* perhaps a 1MB block would be more appropriate.
*/
static int
allwinner_devmap_init(platform_t plat)
{
arm_devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */
return (0);
}
struct arm32_dma_range *
bus_dma_get_range(void)
{
return (NULL);
}
int
bus_dma_get_range_nb(void)
{
return (0);
}
void
cpu_reset()
{
aw_wdog_watchdog_reset();
printf("Reset failed!\n");
while (1);
}
static platform_method_t a10_methods[] = {
PLATFORMMETHOD(platform_attach, a10_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
PLATFORMMETHOD_END,
};
static platform_method_t a20_methods[] = {
PLATFORMMETHOD(platform_attach, a20_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, a20_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
};
static platform_method_t a31_methods[] = {
PLATFORMMETHOD(platform_attach, a31_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, a31_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
};
static platform_method_t a31s_methods[] = {
PLATFORMMETHOD(platform_attach, a31s_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, a31_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
};
u_int
allwinner_soc_type(void)
{
return (soc_type);
}
u_int
allwinner_soc_family(void)
{
return (soc_family);
}
FDT_PLATFORM_DEF(a10, "a10", 0, "allwinner,sun4i-a10");
FDT_PLATFORM_DEF(a20, "a20", 0, "allwinner,sun7i-a20");
FDT_PLATFORM_DEF(a31, "a31", 0, "allwinner,sun6i-a31");
FDT_PLATFORM_DEF(a31s, "a31s", 0, "allwinner,sun6i-a31s");
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