xref: /openbmc/linux/arch/powerpc/platforms/85xx/socrates.c (revision c900529f3d9161bfde5cca0754f83b4d3c3e0220)
12874c5fdSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later
2393adcacSWolfgang Grandegger /*
3393adcacSWolfgang Grandegger  * Copyright (c) 2008 Emcraft Systems
4393adcacSWolfgang Grandegger  * Sergei Poselenov <sposelenov@emcraft.com>
5393adcacSWolfgang Grandegger  *
6393adcacSWolfgang Grandegger  * Based on MPC8560 ADS and arch/ppc tqm85xx ports
7393adcacSWolfgang Grandegger  *
8393adcacSWolfgang Grandegger  * Maintained by Kumar Gala (see MAINTAINERS for contact information)
9393adcacSWolfgang Grandegger  *
10393adcacSWolfgang Grandegger  * Copyright 2008 Freescale Semiconductor Inc.
11393adcacSWolfgang Grandegger  *
12393adcacSWolfgang Grandegger  * Copyright (c) 2005-2006 DENX Software Engineering
13393adcacSWolfgang Grandegger  * Stefan Roese <sr@denx.de>
14393adcacSWolfgang Grandegger  *
15393adcacSWolfgang Grandegger  * Based on original work by
16393adcacSWolfgang Grandegger  * 	Kumar Gala <kumar.gala@freescale.com>
17393adcacSWolfgang Grandegger  *      Copyright 2004 Freescale Semiconductor Inc.
18393adcacSWolfgang Grandegger  */
19393adcacSWolfgang Grandegger 
20393adcacSWolfgang Grandegger #include <linux/stddef.h>
21393adcacSWolfgang Grandegger #include <linux/kernel.h>
22393adcacSWolfgang Grandegger #include <linux/pci.h>
23393adcacSWolfgang Grandegger #include <linux/kdev_t.h>
24393adcacSWolfgang Grandegger #include <linux/delay.h>
25393adcacSWolfgang Grandegger #include <linux/seq_file.h>
26*81d7cac4SRob Herring #include <linux/of.h>
27393adcacSWolfgang Grandegger 
28393adcacSWolfgang Grandegger #include <asm/time.h>
29393adcacSWolfgang Grandegger #include <asm/machdep.h>
30393adcacSWolfgang Grandegger #include <asm/pci-bridge.h>
31393adcacSWolfgang Grandegger #include <asm/mpic.h>
32393adcacSWolfgang Grandegger #include <mm/mmu_decl.h>
33393adcacSWolfgang Grandegger #include <asm/udbg.h>
34393adcacSWolfgang Grandegger 
35393adcacSWolfgang Grandegger #include <sysdev/fsl_soc.h>
36393adcacSWolfgang Grandegger #include <sysdev/fsl_pci.h>
37393adcacSWolfgang Grandegger 
38543a07b1SDmitry Eremin-Solenikov #include "mpc85xx.h"
39393adcacSWolfgang Grandegger #include "socrates_fpga_pic.h"
40393adcacSWolfgang Grandegger 
socrates_pic_init(void)41393adcacSWolfgang Grandegger static void __init socrates_pic_init(void)
42393adcacSWolfgang Grandegger {
43393adcacSWolfgang Grandegger 	struct device_node *np;
44393adcacSWolfgang Grandegger 
45e55d7f73SKyle Moffett 	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
46393adcacSWolfgang Grandegger 			0, 256, " OpenPIC  ");
47393adcacSWolfgang Grandegger 	BUG_ON(mpic == NULL);
48393adcacSWolfgang Grandegger 	mpic_init(mpic);
49393adcacSWolfgang Grandegger 
50393adcacSWolfgang Grandegger 	np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic");
51393adcacSWolfgang Grandegger 	if (!np) {
52393adcacSWolfgang Grandegger 		printk(KERN_ERR "Could not find socrates-fpga-pic node\n");
53393adcacSWolfgang Grandegger 		return;
54393adcacSWolfgang Grandegger 	}
55393adcacSWolfgang Grandegger 	socrates_fpga_pic_init(np);
56393adcacSWolfgang Grandegger 	of_node_put(np);
57393adcacSWolfgang Grandegger }
58393adcacSWolfgang Grandegger 
59393adcacSWolfgang Grandegger /*
60393adcacSWolfgang Grandegger  * Setup the architecture
61393adcacSWolfgang Grandegger  */
socrates_setup_arch(void)62393adcacSWolfgang Grandegger static void __init socrates_setup_arch(void)
63393adcacSWolfgang Grandegger {
64393adcacSWolfgang Grandegger 	if (ppc_md.progress)
65393adcacSWolfgang Grandegger 		ppc_md.progress("socrates_setup_arch()", 0);
66393adcacSWolfgang Grandegger 
67905e75c4SJia Hongtao 	fsl_pci_assign_primary();
68393adcacSWolfgang Grandegger }
69393adcacSWolfgang Grandegger 
70905e75c4SJia Hongtao machine_arch_initcall(socrates, mpc85xx_common_publish_devices);
71393adcacSWolfgang Grandegger 
define_machine(socrates)72393adcacSWolfgang Grandegger define_machine(socrates) {
73393adcacSWolfgang Grandegger 	.name			= "Socrates",
741c96fcdeSChristophe Leroy 	.compatible		= "abb,socrates",
75393adcacSWolfgang Grandegger 	.setup_arch		= socrates_setup_arch,
76393adcacSWolfgang Grandegger 	.init_IRQ		= socrates_pic_init,
77393adcacSWolfgang Grandegger 	.get_irq		= mpic_get_irq,
78393adcacSWolfgang Grandegger 	.progress		= udbg_progress,
79393adcacSWolfgang Grandegger };
80