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ba9f40ca3b
freebsd-skq/sys/arm/allwinner/aw_machdep.c
Andrew Turner ba9f40ca3b Use the platform_*_t typedefs to help check the platform function types are 
correct.

Sponsored by:	ABT Systems Ltd
2016-12-13 13:46:09 +00:00

281 lines
7.5 KiB
C
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/*-
* Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
* Copyright (c) 2015-2016 Emmanuel Vadot <manu@freebsd.org>
* 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("$FreeBSD$");
#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 <machine/bus.h>
#include <machine/machdep.h>
#include <machine/platformvar.h>
#include <arm/allwinner/aw_mp.h>
#include <arm/allwinner/aw_wdog.h>
#include <arm/allwinner/aw_machdep.h>
#include "platform_if.h"
static platform_attach_t a10_attach;
static platform_attach_t a13_attach;
static platform_attach_t a20_attach;
static platform_attach_t a31_attach;
static platform_attach_t a31s_attach;
static platform_attach_t a83t_attach;
static platform_attach_t h3_attach;
static platform_lastaddr_t allwinner_lastaddr;
static platform_devmap_init_t allwinner_devmap_init;
static platform_cpu_reset_t allwinner_cpu_reset;
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
a13_attach(platform_t plat)
{
soc_type = ALLWINNERSOC_A13;
soc_family = ALLWINNERSOC_SUN5I;
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 int
a83t_attach(platform_t plat)
{
soc_type = ALLWINNERSOC_A83T;
soc_family = ALLWINNERSOC_SUN8I;
return (0);
}
static int
h3_attach(platform_t plat)
{
soc_type = ALLWINNERSOC_H3;
soc_family = ALLWINNERSOC_SUN8I;
return (0);
}
static vm_offset_t
allwinner_lastaddr(platform_t plat)
{
return (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)
{
devmap_add_entry(0x01C00000, 0x00400000); /* 4MB */
return (0);
}
static void
allwinner_cpu_reset(platform_t plat)
{
aw_wdog_watchdog_reset();
printf("Reset failed!\n");
while (1);
}
#if defined(SOC_ALLWINNER_A10)
static platform_method_t a10_methods[] = {
PLATFORMMETHOD(platform_attach, a10_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(a10, "a10", 0, "allwinner,sun4i-a10", 200);
#endif
#if defined(SOC_ALLWINNER_A13)
static platform_method_t a13_methods[] = {
PLATFORMMETHOD(platform_attach, a13_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(a13, "a13", 0, "allwinner,sun5i-a13", 200);
#endif
#if defined(SOC_ALLWINNER_A20)
static platform_method_t a20_methods[] = {
PLATFORMMETHOD(platform_attach, a20_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(a20, "a20", 0, "allwinner,sun7i-a20", 200);
#endif
#if defined(SOC_ALLWINNER_A31)
static platform_method_t a31_methods[] = {
PLATFORMMETHOD(platform_attach, a31_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(a31, "a31", 0, "allwinner,sun6i-a31", 200);
#endif
#if defined(SOC_ALLWINNER_A31S)
static platform_method_t a31s_methods[] = {
PLATFORMMETHOD(platform_attach, a31s_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(a31s, "a31s", 0, "allwinner,sun6i-a31s", 200);
#endif
#if defined(SOC_ALLWINNER_A83T)
static platform_method_t a83t_methods[] = {
PLATFORMMETHOD(platform_attach, a83t_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, a83t_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(a83t, "a83t", 0, "allwinner,sun8i-a83t", 200);
#endif
#if defined(SOC_ALLWINNER_H3)
static platform_method_t h3_methods[] = {
PLATFORMMETHOD(platform_attach, h3_attach),
PLATFORMMETHOD(platform_lastaddr, allwinner_lastaddr),
PLATFORMMETHOD(platform_devmap_init, allwinner_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, allwinner_cpu_reset),
#ifdef SMP
PLATFORMMETHOD(platform_mp_start_ap, aw_mp_start_ap),
PLATFORMMETHOD(platform_mp_setmaxid, aw_mp_setmaxid),
#endif
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(h3, "h3", 0, "allwinner,sun8i-h3", 200);
#endif
u_int
allwinner_soc_type(void)
{
return (soc_type);
}
u_int
allwinner_soc_family(void)
{
return (soc_family);
}
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