kernel/arch/powerpc/platforms/85xx/socrates.c
2024-07-22 17:22:30 +08:00

93 lines
2.0 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2008 Emcraft Systems
* Sergei Poselenov <sposelenov@emcraft.com>
*
* Based on MPC8560 ADS and arch/ppc tqm85xx ports
*
* Maintained by Kumar Gala (see MAINTAINERS for contact information)
*
* Copyright 2008 Freescale Semiconductor Inc.
*
* Copyright (c) 2005-2006 DENX Software Engineering
* Stefan Roese <sr@denx.de>
*
* Based on original work by
* Kumar Gala <kumar.gala@freescale.com>
* Copyright 2004 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/mpic.h>
#include <asm/prom.h>
#include <mm/mmu_decl.h>
#include <asm/udbg.h>
#include <sysdev/fsl_soc.h>
#include <sysdev/fsl_pci.h>
#include "mpc85xx.h"
#include "socrates_fpga_pic.h"
static void __init socrates_pic_init(void)
{
struct device_node *np;
struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
0, 256, " OpenPIC ");
BUG_ON(mpic == NULL);
mpic_init(mpic);
np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic");
if (!np) {
printk(KERN_ERR "Could not find socrates-fpga-pic node\n");
return;
}
socrates_fpga_pic_init(np);
of_node_put(np);
}
/*
* Setup the architecture
*/
static void __init socrates_setup_arch(void)
{
if (ppc_md.progress)
ppc_md.progress("socrates_setup_arch()", 0);
fsl_pci_assign_primary();
}
machine_arch_initcall(socrates, mpc85xx_common_publish_devices);
/*
* Called very early, device-tree isn't unflattened
*/
static int __init socrates_probe(void)
{
if (of_machine_is_compatible("abb,socrates"))
return 1;
return 0;
}
define_machine(socrates) {
.name = "Socrates",
.probe = socrates_probe,
.setup_arch = socrates_setup_arch,
.init_IRQ = socrates_pic_init,
.get_irq = mpic_get_irq,
.calibrate_decr = generic_calibrate_decr,
.progress = udbg_progress,
};