1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Board setup routines for the Emerson/Artesyn MVME2500
4  *
5  * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
6  *
7  * Based on earlier code by:
8  *
9  *	Xianghua Xiao (x.xiao@freescale.com)
10  *	Tom Armistead (tom.armistead@emerson.com)
11  *	Copyright 2012 Emerson
12  *
13  * Author Alessio Igor Bogani <alessio.bogani@elettra.eu>
14  */
15 
16 #include <linux/pci.h>
17 #include <asm/udbg.h>
18 #include <asm/mpic.h>
19 #include <sysdev/fsl_soc.h>
20 #include <sysdev/fsl_pci.h>
21 
22 #include "mpc85xx.h"
23 
mvme2500_pic_init(void)24 void __init mvme2500_pic_init(void)
25 {
26 	struct mpic *mpic = mpic_alloc(NULL, 0,
27 		  MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
28 		0, 256, " OpenPIC  ");
29 	BUG_ON(mpic == NULL);
30 	mpic_init(mpic);
31 }
32 
33 /*
34  * Setup the architecture
35  */
mvme2500_setup_arch(void)36 static void __init mvme2500_setup_arch(void)
37 {
38 	if (ppc_md.progress)
39 		ppc_md.progress("mvme2500_setup_arch()", 0);
40 	fsl_pci_assign_primary();
41 	pr_info("MVME2500 board from Artesyn\n");
42 }
43 
44 machine_arch_initcall(mvme2500, mpc85xx_common_publish_devices);
45 
46 /*
47  * Called very early, device-tree isn't unflattened
48  */
mvme2500_probe(void)49 static int __init mvme2500_probe(void)
50 {
51 	return of_machine_is_compatible("artesyn,MVME2500");
52 }
53 
define_machine(mvme2500)54 define_machine(mvme2500) {
55 	.name			= "MVME2500",
56 	.probe			= mvme2500_probe,
57 	.setup_arch		= mvme2500_setup_arch,
58 	.init_IRQ		= mvme2500_pic_init,
59 #ifdef CONFIG_PCI
60 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
61 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
62 #endif
63 	.get_irq		= mpic_get_irq,
64 	.calibrate_decr		= generic_calibrate_decr,
65 	.progress		= udbg_progress,
66 };
67