platforms/85xx/mvme2500.c

0001 // SPDX-License-Identifier: GPL-2.0-or-later
0002 /*
0003  * Board setup routines for the Emerson/Artesyn MVME2500
0004  *
0005  * Copyright 2014 Elettra-Sincrotrone Trieste S.C.p.A.
0006  *
0007  * Based on earlier code by:
0008  *
0009  *  Xianghua Xiao (x.xiao@freescale.com)
0010  *  Tom Armistead (tom.armistead@emerson.com)
0011  *  Copyright 2012 Emerson
0012  *
0013  * Author Alessio Igor Bogani <alessio.bogani@elettra.eu>
0014  */
0015
0016 #include <linux/pci.h>
0017 #include <asm/udbg.h>
0018 #include <asm/mpic.h>
0019 #include <sysdev/fsl_soc.h>
0020 #include <sysdev/fsl_pci.h>
0021
0022 #include "mpc85xx.h"
0023
0024 void __init mvme2500_pic_init(void)
0025 {
0026     struct mpic *mpic = mpic_alloc(NULL, 0,
0027           MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU,
0028         0, 256, " OpenPIC  ");
0029     BUG_ON(mpic == NULL);
0030     mpic_init(mpic);
0031 }
0032
0033 /*
0034  * Setup the architecture
0035  */
0036 static void __init mvme2500_setup_arch(void)
0037 {
0038     if (ppc_md.progress)
0039         ppc_md.progress("mvme2500_setup_arch()", 0);
0040     fsl_pci_assign_primary();
0041     pr_info("MVME2500 board from Artesyn\n");
0042 }
0043
0044 machine_arch_initcall(mvme2500, mpc85xx_common_publish_devices);
0045
0046 /*
0047  * Called very early, device-tree isn't unflattened
0048  */
0049 static int __init mvme2500_probe(void)
0050 {
0051     return of_machine_is_compatible("artesyn,MVME2500");
0052 }
0053
0054 define_machine(mvme2500) {
0055     .name           = "MVME2500",
0056     .probe          = mvme2500_probe,
0057     .setup_arch     = mvme2500_setup_arch,
0058     .init_IRQ       = mvme2500_pic_init,
0059 #ifdef CONFIG_PCI
0060     .pcibios_fixup_bus  = fsl_pcibios_fixup_bus,
0061     .pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
0062 #endif
0063     .get_irq        = mpic_get_irq,
0064     .calibrate_decr     = generic_calibrate_decr,
0065     .progress       = udbg_progress,
0066 };