tegrakernel/kernel/kernel-4.9/arch/powerpc/platforms/86xx/sbc8641d.c

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2022-02-16 09:13:02 -06:00
/*
* SBC8641D board specific routines
*
* Copyright 2008 Wind River Systems Inc.
*
* By Paul Gortmaker (see MAINTAINERS for contact information)
*
* Based largely on the 8641 HPCN support by Freescale Semiconductor 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/pci.h>
#include <linux/kdev_t.h>
#include <linux/delay.h>
#include <linux/seq_file.h>
#include <linux/of_platform.h>
#include <asm/time.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <asm/prom.h>
#include <mm/mmu_decl.h>
#include <asm/udbg.h>
#include <asm/mpic.h>
#include <sysdev/fsl_pci.h>
#include <sysdev/fsl_soc.h>
#include "mpc86xx.h"
static void __init
sbc8641_setup_arch(void)
{
if (ppc_md.progress)
ppc_md.progress("sbc8641_setup_arch()", 0);
printk("SBC8641 board from Wind River\n");
#ifdef CONFIG_SMP
mpc86xx_smp_init();
#endif
fsl_pci_assign_primary();
}
static void
sbc8641_show_cpuinfo(struct seq_file *m)
{
uint svid = mfspr(SPRN_SVR);
seq_printf(m, "Vendor\t\t: Wind River Systems\n");
seq_printf(m, "SVR\t\t: 0x%x\n", svid);
}
/*
* Called very early, device-tree isn't unflattened
*/
static int __init sbc8641_probe(void)
{
if (of_machine_is_compatible("wind,sbc8641"))
return 1; /* Looks good */
return 0;
}
machine_arch_initcall(sbc8641, mpc86xx_common_publish_devices);
define_machine(sbc8641) {
.name = "SBC8641D",
.probe = sbc8641_probe,
.setup_arch = sbc8641_setup_arch,
.init_IRQ = mpc86xx_init_irq,
.show_cpuinfo = sbc8641_show_cpuinfo,
.get_irq = mpic_get_irq,
.time_init = mpc86xx_time_init,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
#ifdef CONFIG_PCI
.pcibios_fixup_bus = fsl_pcibios_fixup_bus,
#endif
};