1 /*
2  * Board setup routines for the Emerson/Artesyn MVME2500
3  *
4  * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
5  *
6  * Based on earlier code by:
7  *
8  *	Xianghua Xiao (x.xiao@freescale.com)
9  *	Tom Armistead (tom.armistead@emerson.com)
10  *	Copyright 2012 Emerson
11  *
12  * This program is free software; you can redistribute  it and/or modify it
13  * under  the terms of  the GNU General  Public License as published by the
14  * Free Software Foundation;  either version 2 of the  License, or (at your
15  * option) any later version.
16  *
17  * Author Alessio Igor Bogani <alessio.bogani@elettra.eu>
18  *
19  */
20 
21 #include <linux/pci.h>
22 #include <asm/udbg.h>
23 #include <asm/mpic.h>
24 #include <sysdev/fsl_soc.h>
25 #include <sysdev/fsl_pci.h>
26 
27 #include "mpc85xx.h"
28 
29 void __init mvme2500_pic_init(void)
30 {
31 	struct mpic *mpic = mpic_alloc(NULL, 0,
32 		  MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
33 		0, 256, " OpenPIC  ");
34 	BUG_ON(mpic == NULL);
35 	mpic_init(mpic);
36 }
37 
38 /*
39  * Setup the architecture
40  */
41 static void __init mvme2500_setup_arch(void)
42 {
43 	if (ppc_md.progress)
44 		ppc_md.progress("mvme2500_setup_arch()", 0);
45 	fsl_pci_assign_primary();
46 	pr_info("MVME2500 board from Artesyn\n");
47 }
48 
49 machine_arch_initcall(mvme2500, mpc85xx_common_publish_devices);
50 
51 /*
52  * Called very early, device-tree isn't unflattened
53  */
54 static int __init mvme2500_probe(void)
55 {
56 	unsigned long root = of_get_flat_dt_root();
57 
58 	return of_flat_dt_is_compatible(root, "artesyn,MVME2500");
59 }
60 
61 define_machine(mvme2500) {
62 	.name			= "MVME2500",
63 	.probe			= mvme2500_probe,
64 	.setup_arch		= mvme2500_setup_arch,
65 	.init_IRQ		= mvme2500_pic_init,
66 #ifdef CONFIG_PCI
67 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
68 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
69 #endif
70 	.get_irq		= mpic_get_irq,
71 	.restart		= fsl_rstcr_restart,
72 	.calibrate_decr		= generic_calibrate_decr,
73 	.progress		= udbg_progress,
74 };
75