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/*-
* Copyright (c) 2015 Justin Hibbits
* 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 ``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 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 <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/malloc.h>
#include <sys/slicer.h>
#include <sys/smp.h>
#include <machine/platform.h>
#include <machine/platformvar.h>
#include <dev/nand/nand.h>
#include <dev/ofw/openfirm.h>
#include <geom/geom_disk.h>
#include <powerpc/mpc85xx/mpc85xx.h>
#include "platform_if.h"
static int rb_probe(platform_t);
static int rb_attach(platform_t);
static platform_method_t rb_methods[] = {
PLATFORMMETHOD(platform_probe, rb_probe),
PLATFORMMETHOD(platform_attach, rb_attach),
PLATFORMMETHOD_END
};
DEFINE_CLASS_1(rb, rb_platform, rb_methods, 0, mpc85xx_platform);
PLATFORM_DEF(rb_platform);
/* Slicer operates on the NAND controller, so we have to find the chip. */
static int
rb_nand_slicer(device_t dev, struct flash_slice *slices, int *nslices)
{
struct nand_chip *chip;
device_t *children;
int n;
if (device_get_children(dev, &children, &n) != 0) {
panic("Slicer called on controller with no child!");
}
dev = children[0];
free(children, M_TEMP);
if (device_get_children(dev, &children, &n) != 0) {
panic("Slicer called on controller with nandbus but no child!");
}
dev = children[0];
free(children, M_TEMP);
chip = device_get_softc(dev);
*nslices = 2;
slices[0].base = 0;
slices[0].size = 4 * 1024 * 1024;
slices[0].label = "boot";
slices[1].base = 4 * 1024 * 1024;
slices[1].size = chip->ndisk->d_mediasize - slices[0].size;
slices[1].label = "rootfs";
return (0);
}
static int
rb_probe(platform_t plat)
{
phandle_t rootnode;
char model[32];
rootnode = OF_finddevice("/");
if (OF_getprop(rootnode, "model", model, sizeof(model)) > 0) {
if (strcmp(model, "RB800") == 0)
return (BUS_PROBE_SPECIFIC);
}
return (ENXIO);
}
static int
rb_attach(platform_t plat)
{
int error;
error = mpc85xx_attach(plat);
if (error)
return (error);
flash_register_slicer(rb_nand_slicer);
return (0);
}
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