Niklaus Giger | 9fa126d | 2008-10-01 19:23:23 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Architecture- / platform-specific boot-time initialization code for |
| 3 | * IBM PowerPC 4xx based boards. Adapted from original |
| 4 | * code by Gary Thomas, Cort Dougan <cort@fsmlabs.com>, and Dan Malek |
| 5 | * <dan@net4x.com>. |
| 6 | * |
| 7 | * Copyright(c) 1999-2000 Grant Erickson <grant@lcse.umn.edu> |
| 8 | * |
| 9 | * Rewritten and ported to the merged powerpc tree: |
| 10 | * Copyright 2007 IBM Corporation |
| 11 | * Josh Boyer <jwboyer@linux.vnet.ibm.com> |
| 12 | * |
| 13 | * 2002 (c) MontaVista, Software, Inc. This file is licensed under |
| 14 | * the terms of the GNU General Public License version 2. This program |
| 15 | * is licensed "as is" without any warranty of any kind, whether express |
| 16 | * or implied. |
| 17 | */ |
| 18 | |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/of_platform.h> |
| 21 | |
| 22 | #include <asm/machdep.h> |
| 23 | #include <asm/prom.h> |
| 24 | #include <asm/udbg.h> |
| 25 | #include <asm/time.h> |
| 26 | #include <asm/uic.h> |
| 27 | #include <asm/ppc4xx.h> |
| 28 | |
| 29 | static __initdata struct of_device_id hcu4_of_bus[] = { |
| 30 | { .compatible = "ibm,plb3", }, |
| 31 | { .compatible = "ibm,opb", }, |
| 32 | { .compatible = "ibm,ebc", }, |
| 33 | {}, |
| 34 | }; |
| 35 | |
| 36 | static int __init hcu4_device_probe(void) |
| 37 | { |
| 38 | of_platform_bus_probe(NULL, hcu4_of_bus, NULL); |
| 39 | return 0; |
| 40 | } |
| 41 | machine_device_initcall(hcu4, hcu4_device_probe); |
| 42 | |
| 43 | static int __init hcu4_probe(void) |
| 44 | { |
| 45 | unsigned long root = of_get_flat_dt_root(); |
| 46 | |
| 47 | if (!of_flat_dt_is_compatible(root, "netstal,hcu4")) |
| 48 | return 0; |
| 49 | |
| 50 | return 1; |
| 51 | } |
| 52 | |
| 53 | define_machine(hcu4) { |
| 54 | .name = "HCU4", |
| 55 | .probe = hcu4_probe, |
| 56 | .progress = udbg_progress, |
| 57 | .init_IRQ = uic_init_tree, |
| 58 | .get_irq = uic_get_irq, |
| 59 | .restart = ppc4xx_reset_system, |
| 60 | .calibrate_decr = generic_calibrate_decr, |
| 61 | }; |