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100 lines
2.2 KiB
C
100 lines
2.2 KiB
C
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/*
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* arch/powerpc/platforms/83xx/mpc8313_rdb.c
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*
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* Description: MPC8313x RDB board specific routines.
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* This file is based on mpc834x_sys.c
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* Author: Lo Wlison <r43300@freescale.com>
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*
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* Copyright (C) Freescale Semiconductor, Inc. 2006. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#include <linux/pci.h>
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#include <asm/time.h>
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#include <asm/ipic.h>
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#include <asm/udbg.h>
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#include "mpc83xx.h"
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#undef DEBUG
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#ifdef DEBUG
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#define DBG(fmt...) udbg_printf(fmt)
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#else
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#define DBG(fmt...)
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#endif
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#ifndef CONFIG_PCI
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unsigned long isa_io_base = 0;
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unsigned long isa_mem_base = 0;
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#endif
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/* ************************************************************************
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*
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* Setup the architecture
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*
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*/
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static void __init mpc8313_rdb_setup_arch(void)
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{
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struct device_node *np;
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if (ppc_md.progress)
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ppc_md.progress("mpc8313_rdb_setup_arch()", 0);
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#ifdef CONFIG_PCI
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for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
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add_bridge(np);
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ppc_md.pci_exclude_device = mpc83xx_exclude_device;
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#endif
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}
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void __init mpc8313_rdb_init_IRQ(void)
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{
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struct device_node *np;
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np = of_find_node_by_type(NULL, "ipic");
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if (!np)
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return;
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ipic_init(np, 0);
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/* Initialize the default interrupt mapping priorities,
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* in case the boot rom changed something on us.
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*/
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ipic_set_default_priority();
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}
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/*
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* Called very early, MMU is off, device-tree isn't unflattened
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*/
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static int __init mpc8313_rdb_probe(void)
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{
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char *model = of_get_flat_dt_prop(of_get_flat_dt_root(),
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"model", NULL);
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if (model == NULL)
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return 0;
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if (strcmp(model, "MPC8313ERDB"))
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return 0;
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DBG("MPC8313 RDB found\n");
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return 1;
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}
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define_machine(mpc8313_rdb) {
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.name = "MPC8313 RDB",
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.probe = mpc8313_rdb_probe,
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.setup_arch = mpc8313_rdb_setup_arch,
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.init_IRQ = mpc8313_rdb_init_IRQ,
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.get_irq = ipic_get_irq,
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.restart = mpc83xx_restart,
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.time_init = mpc83xx_time_init,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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};
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