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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>
92 lines
2 KiB
C
92 lines
2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* ppa8548 setup and early boot code.
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*
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* Copyright 2009 Prodrive B.V..
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*
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* By Stef van Os (see MAINTAINERS for contact information)
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*
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* Based on the SBC8548 support - Copyright 2007 Wind River Systems Inc.
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* Based on the MPC8548CDS support - Copyright 2005 Freescale 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/init.h>
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#include <linux/reboot.h>
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#include <linux/seq_file.h>
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#include <linux/of_fdt.h>
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#include <linux/of_platform.h>
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#include <asm/machdep.h>
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#include <asm/udbg.h>
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#include <asm/mpic.h>
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#include <sysdev/fsl_soc.h>
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static void __init ppa8548_pic_init(void)
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{
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struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
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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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/*
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* Setup the architecture
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*/
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static void __init ppa8548_setup_arch(void)
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{
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if (ppc_md.progress)
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ppc_md.progress("ppa8548_setup_arch()", 0);
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}
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static void ppa8548_show_cpuinfo(struct seq_file *m)
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{
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uint32_t svid, phid1;
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svid = mfspr(SPRN_SVR);
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seq_printf(m, "Vendor\t\t: Prodrive B.V.\n");
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seq_printf(m, "SVR\t\t: 0x%x\n", svid);
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/* Display cpu Pll setting */
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phid1 = mfspr(SPRN_HID1);
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seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
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}
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static const struct of_device_id of_bus_ids[] __initconst = {
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{ .name = "soc", },
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{ .type = "soc", },
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{ .compatible = "simple-bus", },
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{ .compatible = "gianfar", },
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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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of_platform_bus_probe(NULL, of_bus_ids, NULL);
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return 0;
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}
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machine_device_initcall(ppa8548, declare_of_platform_devices);
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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 ppa8548_probe(void)
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{
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return of_machine_is_compatible("ppa8548");
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}
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define_machine(ppa8548) {
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.name = "ppa8548",
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.probe = ppa8548_probe,
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.setup_arch = ppa8548_setup_arch,
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.init_IRQ = ppa8548_pic_init,
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.show_cpuinfo = ppa8548_show_cpuinfo,
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.get_irq = mpic_get_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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