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/*-
* Copyright (c) 2012 Oleksandr Tymoshenko.
* Copyright (c) 1994-1998 Mark Brinicombe.
* Copyright (c) 1994 Brini.
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Brini.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY BRINI ``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 BRINI 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/at91/kb920x_machdep.c, rev 45
*/
#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 <sys/devmap.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/bus.h>
#include <machine/machdep.h>
#include <machine/platform.h>
#include <machine/platformvar.h>
#include <dev/fdt/fdt_common.h>
#include <arm/broadcom/bcm2835/bcm2835_wdog.h>
#include "platform_if.h"
static vm_offset_t
bcm2835_lastaddr(platform_t plat)
{
return (devmap_lastaddr());
}
static void
bcm2835_late_init(platform_t plat)
{
phandle_t system;
pcell_t cells[2];
int len;
system = OF_finddevice("/system");
if (system != 0) {
len = OF_getprop(system, "linux,serial", &cells, sizeof(cells));
if (len > 0)
board_set_serial(fdt64_to_cpu(*((uint64_t *)cells)));
len = OF_getprop(system, "linux,revision", &cells, sizeof(cells));
if (len > 0)
board_set_revision(fdt32_to_cpu(*((uint32_t *)cells)));
}
}
#ifdef SOC_BCM2835
/*
* Set up static device mappings.
* All on-chip peripherals exist in a 16MB range starting at 0x20000000.
* Map the entire range using 1MB section mappings.
*/
static int
bcm2835_devmap_init(platform_t plat)
{
devmap_add_entry(0x20000000, 0x01000000);
return (0);
}
#endif
#ifdef SOC_BCM2836
static int
bcm2836_devmap_init(platform_t plat)
{
devmap_add_entry(0x3f000000, 0x01000000);
return (0);
}
#endif
struct arm32_dma_range *
bus_dma_get_range(void)
{
return (NULL);
}
int
bus_dma_get_range_nb(void)
{
return (0);
}
void
cpu_reset()
{
bcmwd_watchdog_reset();
while (1);
}
#ifdef SOC_BCM2835
static platform_method_t bcm2835_methods[] = {
PLATFORMMETHOD(platform_devmap_init, bcm2835_devmap_init),
PLATFORMMETHOD(platform_lastaddr, bcm2835_lastaddr),
PLATFORMMETHOD(platform_late_init, bcm2835_late_init),
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(bcm2835, "bcm2835", 0, "raspberrypi,model-b", 0);
#endif
#ifdef SOC_BCM2836
static platform_method_t bcm2836_methods[] = {
PLATFORMMETHOD(platform_devmap_init, bcm2836_devmap_init),
PLATFORMMETHOD(platform_lastaddr, bcm2835_lastaddr),
PLATFORMMETHOD(platform_late_init, bcm2835_late_init),
PLATFORMMETHOD_END,
};
FDT_PLATFORM_DEF(bcm2836, "bcm2836", 0, "brcm,bcm2709", 0);
#endif
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