xref: /freebsd/sys/powerpc/psim/psim-tree (revision c697fb7f)
1# $FreeBSD$
2#
3# Simple psim h/w description
4#
5# The .gdbinit should contain something like:
6#
7#   target sim -e chirp -r 33554432 -f psim-tree
8#   load
9#
10#  (The -r option is the amount of physical RAM the simulator has)
11#
12
13/#address-cells 1
14/openprom/options/use-stdio? false
15#/openprom/options/strict-alignment? true
16
17/options
18	./output-device "psim-stdout
19
20#
21# Define the disk device alias so ofwd can identify it
22#
23/aliases
24	./ofwdisk "/phb@0x70000000/ide@1/disk@0
25
26#
27# CPU definition. The phandle property is to help nexus.c locate the
28# interrupt controller.
29#
30/cpus/cpu@0
31
32#
33# disk file, done via phb. maybe there's a simpler way.
34#
35/phb@0x70000000
36        ./device_type "pci
37        ./name "pci
38        ./#address-cells 3
39        ./#size-cells 2
40        ./ranges ni0,0,0,0 0xc0000000 0x10000
41
42/phb@0x70000000/ide@1
43        ./device_type "ide
44        ./name "ide
45        ./assigned-addresses \
46                ni0,0,10,1f0 8 \
47                ni0,0,14,3f8 8 \
48                ni0,0,18,170 8 \
49                ni0,0,1c,378 8 \
50                ni0,0,20,200 8
51        ./reg \
52                1 0 \
53                i0,0,10,0 8 \
54                i0,0,18,0 8 \
55                i0,0,14,6 1 \
56                i0,0,1c,6 1 \
57                i0,0,20,0 8
58        ./ready-delay 1000
59
60/phb@0x70000000/ide@1/disk@0/file "../image.iso
61
62#
63# I/O Bus
64#
65/iobus@0x90000000
66	./name psim-iobus
67	./reg 0x90000000 0x20000000
68
69#
70# OpenPIC
71#
72/iobus@0x90000000/opic@0x90000000
73        ./name         interrupt-controller
74        ./device_type  open-pic
75        ./compatible   psim,open-pic
76        ./reg 0x90000000 0x40000
77        ./interrupt-ranges 0 256
78
79/iobus/opic > intr0 int /cpus/cpu@0x0
80
81#
82# IDE1
83#
84#/iobus@0x90000000/ide@0x90052000
85#        ./name ata-4
86#        ./ioport 1
87#        ./device_type ata
88#        ./interrupt  12
89#        ./reg 0x90052000 8 0x90052010 8 0x90052020 8 0x90052030 1 0x90052040 1 0x90052050 8
90#/iobus@0x90000000/ide@0x90052000 > a irq12 /iobus/opic
91