1 /*
2  * MPC8536 DS Board Setup
3  *
4  * Copyright 2008 Freescale Semiconductor, Inc.
5  *
6  * This program is free software; you can redistribute  it and/or modify it
7  * under  the terms of  the GNU General  Public License as published by the
8  * Free Software Foundation;  either version 2 of the  License, or (at your
9  * option) any later version.
10  */
11 
12 #include <linux/stddef.h>
13 #include <linux/kernel.h>
14 #include <linux/pci.h>
15 #include <linux/kdev_t.h>
16 #include <linux/delay.h>
17 #include <linux/seq_file.h>
18 #include <linux/interrupt.h>
19 #include <linux/of_platform.h>
20 
21 #include <asm/time.h>
22 #include <asm/machdep.h>
23 #include <asm/pci-bridge.h>
24 #include <mm/mmu_decl.h>
25 #include <asm/prom.h>
26 #include <asm/udbg.h>
27 #include <asm/mpic.h>
28 #include <asm/swiotlb.h>
29 
30 #include <sysdev/fsl_soc.h>
31 #include <sysdev/fsl_pci.h>
32 
33 #include "mpc85xx.h"
34 
35 void __init mpc8536_ds_pic_init(void)
36 {
37 	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
38 			0, 256, " OpenPIC  ");
39 	BUG_ON(mpic == NULL);
40 	mpic_init(mpic);
41 }
42 
43 /*
44  * Setup the architecture
45  */
46 static void __init mpc8536_ds_setup_arch(void)
47 {
48 	if (ppc_md.progress)
49 		ppc_md.progress("mpc8536_ds_setup_arch()", 0);
50 
51 	fsl_pci_assign_primary();
52 
53 	swiotlb_detect_4g();
54 
55 	printk("MPC8536 DS board from Freescale Semiconductor\n");
56 }
57 
58 machine_arch_initcall(mpc8536_ds, mpc85xx_common_publish_devices);
59 
60 machine_arch_initcall(mpc8536_ds, swiotlb_setup_bus_notifier);
61 
62 /*
63  * Called very early, device-tree isn't unflattened
64  */
65 static int __init mpc8536_ds_probe(void)
66 {
67 	unsigned long root = of_get_flat_dt_root();
68 
69 	return of_flat_dt_is_compatible(root, "fsl,mpc8536ds");
70 }
71 
72 define_machine(mpc8536_ds) {
73 	.name			= "MPC8536 DS",
74 	.probe			= mpc8536_ds_probe,
75 	.setup_arch		= mpc8536_ds_setup_arch,
76 	.init_IRQ		= mpc8536_ds_pic_init,
77 #ifdef CONFIG_PCI
78 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
79 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
80 #endif
81 	.get_irq		= mpic_get_irq,
82 	.restart		= fsl_rstcr_restart,
83 	.calibrate_decr		= generic_calibrate_decr,
84 	.progress		= udbg_progress,
85 };
86