2 * Copyright (c) 2015 Justin Hibbits
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
34 #include <sys/malloc.h>
35 #include <sys/slicer.h>
38 #include <machine/platform.h>
39 #include <machine/platformvar.h>
41 #include <dev/nand/nand.h>
42 #include <dev/ofw/openfirm.h>
43 #include <geom/geom_disk.h>
45 #include <powerpc/mpc85xx/mpc85xx.h>
47 #include "platform_if.h"
49 static int rb_probe(platform_t);
50 static int rb_attach(platform_t);
52 static platform_method_t rb_methods[] = {
53 PLATFORMMETHOD(platform_probe, rb_probe),
54 PLATFORMMETHOD(platform_attach, rb_attach),
58 DEFINE_CLASS_1(rb, rb_platform, rb_methods, 0, mpc85xx_platform);
60 PLATFORM_DEF(rb_platform);
62 /* Slicer operates on the NAND controller, so we have to find the chip. */
64 rb_nand_slicer(device_t dev, struct flash_slice *slices, int *nslices)
66 struct nand_chip *chip;
70 if (device_get_children(dev, &children, &n) != 0) {
71 panic("Slicer called on controller with no child!");
74 free(children, M_TEMP);
76 if (device_get_children(dev, &children, &n) != 0) {
77 panic("Slicer called on controller with nandbus but no child!");
80 free(children, M_TEMP);
82 chip = device_get_softc(dev);
85 slices[0].size = 4 * 1024 * 1024;
86 slices[0].label = "boot";
88 slices[1].base = 4 * 1024 * 1024;
89 slices[1].size = chip->ndisk->d_mediasize - slices[0].size;
90 slices[1].label = "rootfs";
96 rb_probe(platform_t plat)
101 rootnode = OF_finddevice("/");
103 if (OF_getprop(rootnode, "model", model, sizeof(model)) > 0) {
104 if (strcmp(model, "RB800") == 0)
105 return (BUS_PROBE_SPECIFIC);
112 rb_attach(platform_t plat)
116 error = mpc85xx_attach(plat);
120 flash_register_slicer(rb_nand_slicer);