xref: /OK3568_Linux_fs/kernel/arch/powerpc/platforms/85xx/mvme2500.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Board setup routines for the Emerson/Artesyn MVME2500
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
6*4882a593Smuzhiyun  *
7*4882a593Smuzhiyun  * Based on earlier code by:
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  *	Xianghua Xiao (x.xiao@freescale.com)
10*4882a593Smuzhiyun  *	Tom Armistead (tom.armistead@emerson.com)
11*4882a593Smuzhiyun  *	Copyright 2012 Emerson
12*4882a593Smuzhiyun  *
13*4882a593Smuzhiyun  * Author Alessio Igor Bogani <alessio.bogani@elettra.eu>
14*4882a593Smuzhiyun  */
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun #include <linux/pci.h>
17*4882a593Smuzhiyun #include <asm/udbg.h>
18*4882a593Smuzhiyun #include <asm/mpic.h>
19*4882a593Smuzhiyun #include <sysdev/fsl_soc.h>
20*4882a593Smuzhiyun #include <sysdev/fsl_pci.h>
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #include "mpc85xx.h"
23*4882a593Smuzhiyun 
mvme2500_pic_init(void)24*4882a593Smuzhiyun void __init mvme2500_pic_init(void)
25*4882a593Smuzhiyun {
26*4882a593Smuzhiyun 	struct mpic *mpic = mpic_alloc(NULL, 0,
27*4882a593Smuzhiyun 		  MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
28*4882a593Smuzhiyun 		0, 256, " OpenPIC  ");
29*4882a593Smuzhiyun 	BUG_ON(mpic == NULL);
30*4882a593Smuzhiyun 	mpic_init(mpic);
31*4882a593Smuzhiyun }
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun /*
34*4882a593Smuzhiyun  * Setup the architecture
35*4882a593Smuzhiyun  */
mvme2500_setup_arch(void)36*4882a593Smuzhiyun static void __init mvme2500_setup_arch(void)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun 	if (ppc_md.progress)
39*4882a593Smuzhiyun 		ppc_md.progress("mvme2500_setup_arch()", 0);
40*4882a593Smuzhiyun 	fsl_pci_assign_primary();
41*4882a593Smuzhiyun 	pr_info("MVME2500 board from Artesyn\n");
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun 
44*4882a593Smuzhiyun machine_arch_initcall(mvme2500, mpc85xx_common_publish_devices);
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun /*
47*4882a593Smuzhiyun  * Called very early, device-tree isn't unflattened
48*4882a593Smuzhiyun  */
mvme2500_probe(void)49*4882a593Smuzhiyun static int __init mvme2500_probe(void)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun 	return of_machine_is_compatible("artesyn,MVME2500");
52*4882a593Smuzhiyun }
53*4882a593Smuzhiyun 
define_machine(mvme2500)54*4882a593Smuzhiyun define_machine(mvme2500) {
55*4882a593Smuzhiyun 	.name			= "MVME2500",
56*4882a593Smuzhiyun 	.probe			= mvme2500_probe,
57*4882a593Smuzhiyun 	.setup_arch		= mvme2500_setup_arch,
58*4882a593Smuzhiyun 	.init_IRQ		= mvme2500_pic_init,
59*4882a593Smuzhiyun #ifdef CONFIG_PCI
60*4882a593Smuzhiyun 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
61*4882a593Smuzhiyun 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
62*4882a593Smuzhiyun #endif
63*4882a593Smuzhiyun 	.get_irq		= mpic_get_irq,
64*4882a593Smuzhiyun 	.calibrate_decr		= generic_calibrate_decr,
65*4882a593Smuzhiyun 	.progress		= udbg_progress,
66*4882a593Smuzhiyun };
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