67 lines
1.3 KiB
C
67 lines
1.3 KiB
C
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/*
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* Copyright 2008-2011, IBM Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/of.h>
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#include <linux/smp.h>
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#include <linux/time.h>
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#include <asm/machdep.h>
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#include <asm/udbg.h>
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#include "ics.h"
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#include "wsp.h"
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static void psr2_spin(void)
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{
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hard_irq_disable();
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for (;;)
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continue;
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}
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static void psr2_restart(char *cmd)
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{
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psr2_spin();
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}
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static int __init psr2_probe(void)
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{
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unsigned long root = of_get_flat_dt_root();
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if (of_flat_dt_is_compatible(root, "ibm,wsp-chroma")) {
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/* chroma systems also claim they are psr2s */
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return 0;
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}
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if (!of_flat_dt_is_compatible(root, "ibm,psr2"))
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return 0;
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return 1;
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}
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define_machine(psr2_md) {
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.name = "PSR2 A2",
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.probe = psr2_probe,
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.setup_arch = wsp_setup_arch,
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.restart = psr2_restart,
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.power_off = psr2_spin,
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.halt = psr2_spin,
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.calibrate_decr = generic_calibrate_decr,
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.init_IRQ = wsp_setup_irq,
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.progress = udbg_progress,
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.power_save = book3e_idle,
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};
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machine_arch_initcall(psr2_md, wsp_probe_devices);
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