2 * Support for 'mpc5200-simple-platform' compatible boards.
4 * Written by Marian Balakowicz <m8@semihalf.com>
5 * Copyright (C) 2007 Semihalf
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
13 * This code implements support for a simple MPC52xx based boards which
14 * do not need a custom platform specific setup. Such boards are
15 * supported assuming the following:
17 * - GPIO pins are configured by the firmware,
18 * - CDM configuration (clocking) is setup correctly by firmware,
19 * - if the 'fsl,has-wdt' property is present in one of the
20 * gpt nodes, then it is safe to use such gpt to reset the board,
21 * - PCI is supported if enabled in the kernel configuration
22 * and if there is a PCI bus node defined in the device tree.
24 * Boards that are compatible with this generic platform support
25 * are listed in a 'board' table.
31 #include <asm/machdep.h>
32 #include <asm/mpc52xx.h>
35 * Setup the architecture
37 static void __init
mpc5200_simple_setup_arch(void)
40 ppc_md
.progress("mpc5200_simple_setup_arch()", 0);
42 /* Map important registers from the internal memory map */
43 mpc52xx_map_common_devices();
45 /* Some mpc5200 & mpc5200b related configuration */
46 mpc5200_setup_xlb_arbiter();
51 /* list of the supported boards */
52 static const char *board
[] __initdata
= {
57 "intercontrol,digsy-mtc",
69 * Called very early, MMU is off, device-tree isn't unflattened
71 static int __init
mpc5200_simple_probe(void)
73 return of_flat_dt_match(of_get_flat_dt_root(), board
);
76 define_machine(mpc5200_simple_platform
) {
77 .name
= "mpc5200-simple-platform",
78 .probe
= mpc5200_simple_probe
,
79 .setup_arch
= mpc5200_simple_setup_arch
,
80 .init
= mpc52xx_declare_of_platform_devices
,
81 .init_IRQ
= mpc52xx_init_irq
,
82 .get_irq
= mpc52xx_get_irq
,
83 .restart
= mpc52xx_restart
,
84 .calibrate_decr
= generic_calibrate_decr
,