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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>
134 lines
2.8 KiB
C
134 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* MPC86xx HPCN board specific routines
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*
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* Recode: ZHANG WEI <wei.zhang@freescale.com>
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* Initial author: Xianghua Xiao <x.xiao@freescale.com>
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*
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* Copyright 2006 Freescale Semiconductor Inc.
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*/
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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/kdev_t.h>
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#include <linux/delay.h>
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#include <linux/seq_file.h>
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#include <linux/of_platform.h>
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#include <asm/time.h>
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#include <asm/machdep.h>
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#include <asm/pci-bridge.h>
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#include <asm/prom.h>
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#include <mm/mmu_decl.h>
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#include <asm/udbg.h>
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#include <asm/swiotlb.h>
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#include <asm/mpic.h>
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#include <sysdev/fsl_pci.h>
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#include <sysdev/fsl_soc.h>
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#include "mpc86xx.h"
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#undef DEBUG
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#ifdef DEBUG
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#define DBG(fmt...) do { printk(KERN_ERR fmt); } while(0)
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#else
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#define DBG(fmt...) do { } while(0)
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#endif
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#ifdef CONFIG_PCI
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extern int uli_exclude_device(struct pci_controller *hose,
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u_char bus, u_char devfn);
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static int mpc86xx_exclude_device(struct pci_controller *hose,
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u_char bus, u_char devfn)
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{
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if (hose->dn == fsl_pci_primary)
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return uli_exclude_device(hose, bus, devfn);
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return PCIBIOS_SUCCESSFUL;
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}
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#endif /* CONFIG_PCI */
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static void __init
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mpc86xx_hpcn_setup_arch(void)
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{
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if (ppc_md.progress)
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ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0);
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#ifdef CONFIG_PCI
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ppc_md.pci_exclude_device = mpc86xx_exclude_device;
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#endif
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printk("MPC86xx HPCN board from Freescale Semiconductor\n");
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#ifdef CONFIG_SMP
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mpc86xx_smp_init();
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#endif
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fsl_pci_assign_primary();
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swiotlb_detect_4g();
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}
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static void
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mpc86xx_hpcn_show_cpuinfo(struct seq_file *m)
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{
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uint svid = mfspr(SPRN_SVR);
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seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
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seq_printf(m, "SVR\t\t: 0x%x\n", svid);
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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 mpc86xx_hpcn_probe(void)
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{
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if (of_machine_is_compatible("fsl,mpc8641hpcn"))
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return 1; /* Looks good */
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/* Be nice and don't give silent boot death. Delete this in 2.6.27 */
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if (of_machine_is_compatible("mpc86xx")) {
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pr_warn("WARNING: your dts/dtb is old. You must update before the next kernel release.\n");
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return 1;
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}
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return 0;
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}
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static const struct of_device_id of_bus_ids[] __initconst = {
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{ .compatible = "fsl,srio", },
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{},
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};
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static int __init declare_of_platform_devices(void)
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{
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mpc86xx_common_publish_devices();
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of_platform_bus_probe(NULL, of_bus_ids, NULL);
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return 0;
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}
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machine_arch_initcall(mpc86xx_hpcn, declare_of_platform_devices);
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define_machine(mpc86xx_hpcn) {
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.name = "MPC86xx HPCN",
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.probe = mpc86xx_hpcn_probe,
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.setup_arch = mpc86xx_hpcn_setup_arch,
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.init_IRQ = mpc86xx_init_irq,
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.show_cpuinfo = mpc86xx_hpcn_show_cpuinfo,
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.get_irq = mpic_get_irq,
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.time_init = mpc86xx_time_init,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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#ifdef CONFIG_PCI
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.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
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#endif
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};
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