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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Paravirt target for a generic QEMU e500 machine
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*
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* This is intended to be a flexible device-tree-driven platform, not fixed
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* to a particular piece of hardware or a particular spec of virtual hardware,
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* beyond the assumption of an e500-family CPU. Some things are still hardcoded
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* here, such as MPIC, but this is a limitation of the current code rather than
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* an interface contract with QEMU.
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*
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* Copyright 2012 Freescale Semiconductor Inc.
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*/
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#include <linux/kernel.h>
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#include <linux/of_fdt.h>
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#include <asm/machdep.h>
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#include <asm/pgtable.h>
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#include <asm/time.h>
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#include <asm/udbg.h>
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#include <asm/mpic.h>
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#include <asm/swiotlb.h>
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#include <sysdev/fsl_soc.h>
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#include <sysdev/fsl_pci.h>
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#include "smp.h"
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#include "mpc85xx.h"
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void __init qemu_e500_pic_init(void)
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{
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struct mpic *mpic;
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unsigned int flags = MPIC_BIG_ENDIAN | MPIC_SINGLE_DEST_CPU |
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MPIC_ENABLE_COREINT;
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mpic = mpic_alloc(NULL, 0, flags, 0, 256, " OpenPIC ");
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BUG_ON(mpic == NULL);
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mpic_init(mpic);
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}
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static void __init qemu_e500_setup_arch(void)
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{
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ppc_md.progress("qemu_e500_setup_arch()", 0);
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fsl_pci_assign_primary();
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swiotlb_detect_4g();
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mpc85xx_smp_init();
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}
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/*
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* Called very early, device-tree isn't unflattened
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*/
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static int __init qemu_e500_probe(void)
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{
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return !!of_machine_is_compatible("fsl,qemu-e500");
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}
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machine_arch_initcall(qemu_e500, mpc85xx_common_publish_devices);
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define_machine(qemu_e500) {
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.name = "QEMU e500",
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.probe = qemu_e500_probe,
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.setup_arch = qemu_e500_setup_arch,
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.init_IRQ = qemu_e500_pic_init,
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#ifdef CONFIG_PCI
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.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
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.pcibios_fixup_phb = fsl_pcibios_fixup_phb,
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#endif
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.get_irq = mpic_get_coreint_irq,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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};
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