2 * arch/powerpc/platforms/83xx/mpc834x_itx.c
4 * MPC834x ITX board specific routines
6 * Maintainer: Kumar Gala <galak@kernel.crashing.org>
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
14 #include <linux/stddef.h>
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/errno.h>
18 #include <linux/reboot.h>
19 #include <linux/pci.h>
20 #include <linux/kdev_t.h>
21 #include <linux/major.h>
22 #include <linux/console.h>
23 #include <linux/delay.h>
24 #include <linux/seq_file.h>
25 #include <linux/root_dev.h>
27 #include <asm/system.h>
28 #include <asm/atomic.h>
31 #include <asm/machdep.h>
36 #include <sysdev/fsl_soc.h>
40 /* ************************************************************************
42 * Setup the architecture
45 static void __init mpc834x_itx_setup_arch(void)
48 struct device_node *np;
52 ppc_md.progress("mpc834x_itx_setup_arch()", 0);
55 for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
56 mpc83xx_add_bridge(np);
58 ppc_md.pci_exclude_device = mpc83xx_exclude_device;
64 static void __init mpc834x_itx_init_IRQ(void)
66 struct device_node *np;
68 np = of_find_node_by_type(NULL, "ipic");
74 /* Initialize the default interrupt mapping priorities,
75 * in case the boot rom changed something on us.
77 ipic_set_default_priority();
81 * Called very early, MMU is off, device-tree isn't unflattened
83 static int __init mpc834x_itx_probe(void)
85 unsigned long root = of_get_flat_dt_root();
87 return of_flat_dt_is_compatible(root, "MPC834xMITX");
90 define_machine(mpc834x_itx) {
91 .name = "MPC834x ITX",
92 .probe = mpc834x_itx_probe,
93 .setup_arch = mpc834x_itx_setup_arch,
94 .init_IRQ = mpc834x_itx_init_IRQ,
95 .get_irq = ipic_get_irq,
96 .restart = mpc83xx_restart,
97 .time_init = mpc83xx_time_init,
98 .calibrate_decr = generic_calibrate_decr,
99 .progress = udbg_progress,