freebsd-dev/sys/arm/freescale/imx/imx51_machdep.c
2017-06-03 15:39:23 +00:00

103 lines
2.8 KiB
C

/*-
* Copyright (c) 2013 Ian Lepore <ian@freebsd.org>
* 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 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.
*/
#include "opt_platform.h"
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/reboot.h>
#include <sys/devmap.h>
#include <vm/vm.h>
#include <machine/bus.h>
#include <machine/machdep.h>
#include <machine/platformvar.h>
#include <arm/freescale/imx/imx_machdep.h>
#include "platform_if.h"
static platform_attach_t imx51_attach;
static platform_devmap_init_t imx51_devmap_init;
static platform_cpu_reset_t imx51_cpu_reset;
static int
imx51_attach(platform_t plat)
{
/* XXX - Get rid of this stuff soon. */
boothowto |= RB_VERBOSE|RB_MULTIPLE;
bootverbose = 1;
return (0);
}
/*
* Set up static device mappings. This is hand-optimized platform-specific
* config data which covers most of the common on-chip devices with a few 1MB
* section mappings.
*
* Notably missing are entries for GPU, IPU, in general anything video related.
*/
static int
imx51_devmap_init(platform_t plat)
{
devmap_add_entry(0x70000000, 0x00100000);
devmap_add_entry(0x73f00000, 0x00100000);
devmap_add_entry(0x83f00000, 0x00100000);
return (0);
}
static void
imx51_cpu_reset(platform_t plat)
{
imx_wdog_cpu_reset(0x73F98000);
}
u_int
imx_soc_type(void)
{
return (IMXSOC_51);
}
static platform_method_t imx51_methods[] = {
PLATFORMMETHOD(platform_attach, imx51_attach),
PLATFORMMETHOD(platform_devmap_init, imx51_devmap_init),
PLATFORMMETHOD(platform_cpu_reset, imx51_cpu_reset),
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(imx51, "i.MX51", 0, "fsl,imx51", 100);