1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 2008 Emcraft Systems
4 * Sergei Poselenov <sposelenov@emcraft.com>
5 *
6 * Based on MPC8560 ADS and arch/ppc tqm85xx ports
7 *
8 * Maintained by Kumar Gala (see MAINTAINERS for contact information)
9 *
10 * Copyright 2008 Freescale Semiconductor Inc.
11 *
12 * Copyright (c) 2005-2006 DENX Software Engineering
13 * Stefan Roese <sr@denx.de>
14 *
15 * Based on original work by
16 * 	Kumar Gala <kumar.gala@freescale.com>
17 *      Copyright 2004 Freescale Semiconductor Inc.
18 */
19
20#include <linux/stddef.h>
21#include <linux/kernel.h>
22#include <linux/pci.h>
23#include <linux/kdev_t.h>
24#include <linux/delay.h>
25#include <linux/seq_file.h>
26#include <linux/of_platform.h>
27
28#include <asm/time.h>
29#include <asm/machdep.h>
30#include <asm/pci-bridge.h>
31#include <asm/mpic.h>
32#include <asm/prom.h>
33#include <mm/mmu_decl.h>
34#include <asm/udbg.h>
35
36#include <sysdev/fsl_soc.h>
37#include <sysdev/fsl_pci.h>
38
39#include "mpc85xx.h"
40#include "socrates_fpga_pic.h"
41
42static void __init socrates_pic_init(void)
43{
44	struct device_node *np;
45
46	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
47			0, 256, " OpenPIC  ");
48	BUG_ON(mpic == NULL);
49	mpic_init(mpic);
50
51	np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic");
52	if (!np) {
53		printk(KERN_ERR "Could not find socrates-fpga-pic node\n");
54		return;
55	}
56	socrates_fpga_pic_init(np);
57	of_node_put(np);
58}
59
60/*
61 * Setup the architecture
62 */
63static void __init socrates_setup_arch(void)
64{
65	if (ppc_md.progress)
66		ppc_md.progress("socrates_setup_arch()", 0);
67
68	fsl_pci_assign_primary();
69}
70
71machine_arch_initcall(socrates, mpc85xx_common_publish_devices);
72
73/*
74 * Called very early, device-tree isn't unflattened
75 */
76static int __init socrates_probe(void)
77{
78	if (of_machine_is_compatible("abb,socrates"))
79		return 1;
80
81	return 0;
82}
83
84define_machine(socrates) {
85	.name			= "Socrates",
86	.probe			= socrates_probe,
87	.setup_arch		= socrates_setup_arch,
88	.init_IRQ		= socrates_pic_init,
89	.get_irq		= mpic_get_irq,
90	.calibrate_decr		= generic_calibrate_decr,
91	.progress		= udbg_progress,
92};
93