cregit-Linux how code gets into the kernel

Release 4.14 arch/powerpc/platforms/85xx/ppa8548.c

/*
 * ppa8548 setup and early boot code.
 *
 * Copyright 2009 Prodrive B.V..
 *
 * By Stef van Os (see MAINTAINERS for contact information)
 *
 * Based on the SBC8548 support - Copyright 2007 Wind River Systems Inc.
 * Based on the MPC8548CDS support - Copyright 2005 Freescale Inc.
 *
 * 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.
 */

#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/reboot.h>
#include <linux/seq_file.h>
#include <linux/of_fdt.h>
#include <linux/of_platform.h>

#include <asm/machdep.h>
#include <asm/udbg.h>
#include <asm/mpic.h>

#include <sysdev/fsl_soc.h>


static void __init ppa8548_pic_init(void) { struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN, 0, 256, " OpenPIC "); BUG_ON(mpic == NULL); mpic_init(mpic); }

Contributors

PersonTokensPropCommitsCommitProp
Stef van Os41100.00%1100.00%
Total41100.00%1100.00%

/* * Setup the architecture */
static void __init ppa8548_setup_arch(void) { if (ppc_md.progress) ppc_md.progress("ppa8548_setup_arch()", 0); }

Contributors

PersonTokensPropCommitsCommitProp
Stef van Os24100.00%1100.00%
Total24100.00%1100.00%


static void ppa8548_show_cpuinfo(struct seq_file *m) { uint32_t svid, phid1; svid = mfspr(SPRN_SVR); seq_printf(m, "Vendor\t\t: Prodrive B.V.\n"); seq_printf(m, "SVR\t\t: 0x%x\n", svid); /* Display cpu Pll setting */ phid1 = mfspr(SPRN_HID1); seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f)); }

Contributors

PersonTokensPropCommitsCommitProp
Stef van Os64100.00%1100.00%
Total64100.00%1100.00%

static const struct of_device_id of_bus_ids[] __initconst = { { .name = "soc", }, { .type = "soc", }, { .compatible = "simple-bus", }, { .compatible = "gianfar", }, { .compatible = "fsl,srio", }, {}, };
static int __init declare_of_platform_devices(void) { of_platform_bus_probe(NULL, of_bus_ids, NULL); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Stef van Os21100.00%1100.00%
Total21100.00%1100.00%

machine_device_initcall(ppa8548, declare_of_platform_devices); /* * Called very early, device-tree isn't unflattened */
static int __init ppa8548_probe(void) { return of_machine_is_compatible("ppa8548"); }

Contributors

PersonTokensPropCommitsCommitProp
Stef van Os1493.33%150.00%
Benjamin Herrenschmidt16.67%150.00%
Total15100.00%2100.00%

define_machine(ppa8548) { .name = "ppa8548", .probe = ppa8548_probe, .setup_arch = ppa8548_setup_arch, .init_IRQ = ppa8548_pic_init, .show_cpuinfo = ppa8548_show_cpuinfo, .get_irq = mpic_get_irq, .calibrate_decr = generic_calibrate_decr, .progress = udbg_progress, };

Overall Contributors

PersonTokensPropCommitsCommitProp
Stef van Os29698.01%125.00%
Rob Herring30.99%125.00%
Uwe Kleine-König20.66%125.00%
Benjamin Herrenschmidt10.33%125.00%
Total302100.00%4100.00%
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