xref: /kernel/linux/linux-5.10/arch/powerpc/platforms/86xx/sbc8641d.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * 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.
 */

#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
};