1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun * Copyright (c) 2008 Emcraft Systems
4*4882a593Smuzhiyun * Sergei Poselenov <sposelenov@emcraft.com>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Based on MPC8560 ADS and arch/ppc tqm85xx ports
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Maintained by Kumar Gala (see MAINTAINERS for contact information)
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * Copyright 2008 Freescale Semiconductor Inc.
11*4882a593Smuzhiyun *
12*4882a593Smuzhiyun * Copyright (c) 2005-2006 DENX Software Engineering
13*4882a593Smuzhiyun * Stefan Roese <sr@denx.de>
14*4882a593Smuzhiyun *
15*4882a593Smuzhiyun * Based on original work by
16*4882a593Smuzhiyun * Kumar Gala <kumar.gala@freescale.com>
17*4882a593Smuzhiyun * Copyright 2004 Freescale Semiconductor Inc.
18*4882a593Smuzhiyun */
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #include <linux/stddef.h>
21*4882a593Smuzhiyun #include <linux/kernel.h>
22*4882a593Smuzhiyun #include <linux/pci.h>
23*4882a593Smuzhiyun #include <linux/kdev_t.h>
24*4882a593Smuzhiyun #include <linux/delay.h>
25*4882a593Smuzhiyun #include <linux/seq_file.h>
26*4882a593Smuzhiyun #include <linux/of_platform.h>
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun #include <asm/time.h>
29*4882a593Smuzhiyun #include <asm/machdep.h>
30*4882a593Smuzhiyun #include <asm/pci-bridge.h>
31*4882a593Smuzhiyun #include <asm/mpic.h>
32*4882a593Smuzhiyun #include <asm/prom.h>
33*4882a593Smuzhiyun #include <mm/mmu_decl.h>
34*4882a593Smuzhiyun #include <asm/udbg.h>
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun #include <sysdev/fsl_soc.h>
37*4882a593Smuzhiyun #include <sysdev/fsl_pci.h>
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun #include "mpc85xx.h"
40*4882a593Smuzhiyun #include "socrates_fpga_pic.h"
41*4882a593Smuzhiyun
socrates_pic_init(void)42*4882a593Smuzhiyun static void __init socrates_pic_init(void)
43*4882a593Smuzhiyun {
44*4882a593Smuzhiyun struct device_node *np;
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
47*4882a593Smuzhiyun 0, 256, " OpenPIC ");
48*4882a593Smuzhiyun BUG_ON(mpic == NULL);
49*4882a593Smuzhiyun mpic_init(mpic);
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic");
52*4882a593Smuzhiyun if (!np) {
53*4882a593Smuzhiyun printk(KERN_ERR "Could not find socrates-fpga-pic node\n");
54*4882a593Smuzhiyun return;
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun socrates_fpga_pic_init(np);
57*4882a593Smuzhiyun of_node_put(np);
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun
60*4882a593Smuzhiyun /*
61*4882a593Smuzhiyun * Setup the architecture
62*4882a593Smuzhiyun */
socrates_setup_arch(void)63*4882a593Smuzhiyun static void __init socrates_setup_arch(void)
64*4882a593Smuzhiyun {
65*4882a593Smuzhiyun if (ppc_md.progress)
66*4882a593Smuzhiyun ppc_md.progress("socrates_setup_arch()", 0);
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun fsl_pci_assign_primary();
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun machine_arch_initcall(socrates, mpc85xx_common_publish_devices);
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun /*
74*4882a593Smuzhiyun * Called very early, device-tree isn't unflattened
75*4882a593Smuzhiyun */
socrates_probe(void)76*4882a593Smuzhiyun static int __init socrates_probe(void)
77*4882a593Smuzhiyun {
78*4882a593Smuzhiyun if (of_machine_is_compatible("abb,socrates"))
79*4882a593Smuzhiyun return 1;
80*4882a593Smuzhiyun
81*4882a593Smuzhiyun return 0;
82*4882a593Smuzhiyun }
83*4882a593Smuzhiyun
define_machine(socrates)84*4882a593Smuzhiyun define_machine(socrates) {
85*4882a593Smuzhiyun .name = "Socrates",
86*4882a593Smuzhiyun .probe = socrates_probe,
87*4882a593Smuzhiyun .setup_arch = socrates_setup_arch,
88*4882a593Smuzhiyun .init_IRQ = socrates_pic_init,
89*4882a593Smuzhiyun .get_irq = mpic_get_irq,
90*4882a593Smuzhiyun .calibrate_decr = generic_calibrate_decr,
91*4882a593Smuzhiyun .progress = udbg_progress,
92*4882a593Smuzhiyun };
93