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
mvme2500_pic_init(void)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 */
mvme2500_setup_arch(void)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 */
mvme2500_probe(void)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
define_machine(mvme2500)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