0bd11ac8f9
FDT platform code to detect when we are booting on one of these SoCs. The driver changes will be added shortly. Submitted by: Emmanuel Vadot <manu@bidouilliste.com> Differential Revision: https://reviews.freebsd.org/D5338
190 lines
4.7 KiB
C
190 lines
4.7 KiB
C
/*-
|
|
* 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/a10_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()
|
|
{
|
|
a10wd_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),
|
|
|
|
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),
|
|
|
|
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),
|
|
|
|
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");
|