1 /*
2  * C293PCIE Board Setup
3  *
4  * Copyright 2013 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/of_fdt.h>
15 #include <linux/of_platform.h>
16 
17 #include <asm/machdep.h>
18 #include <asm/udbg.h>
19 #include <asm/mpic.h>
20 
21 #include <sysdev/fsl_soc.h>
22 #include <sysdev/fsl_pci.h>
23 
24 #include "mpc85xx.h"
25 
26 void __init c293_pcie_pic_init(void)
27 {
28 	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
29 	  MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC  ");
30 
31 	BUG_ON(mpic == NULL);
32 
33 	mpic_init(mpic);
34 }
35 
36 
37 /*
38  * Setup the architecture
39  */
40 static void __init c293_pcie_setup_arch(void)
41 {
42 	if (ppc_md.progress)
43 		ppc_md.progress("c293_pcie_setup_arch()", 0);
44 
45 	fsl_pci_assign_primary();
46 
47 	printk(KERN_INFO "C293 PCIE board from Freescale Semiconductor\n");
48 }
49 
50 machine_arch_initcall(c293_pcie, mpc85xx_common_publish_devices);
51 
52 /*
53  * Called very early, device-tree isn't unflattened
54  */
55 static int __init c293_pcie_probe(void)
56 {
57 	unsigned long root = of_get_flat_dt_root();
58 
59 	if (of_flat_dt_is_compatible(root, "fsl,C293PCIE"))
60 		return 1;
61 	return 0;
62 }
63 
64 define_machine(c293_pcie) {
65 	.name			= "C293 PCIE",
66 	.probe			= c293_pcie_probe,
67 	.setup_arch		= c293_pcie_setup_arch,
68 	.init_IRQ		= c293_pcie_pic_init,
69 #ifdef CONFIG_PCI
70 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
71 	.pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
72 #endif
73 	.get_irq		= mpic_get_irq,
74 	.restart		= fsl_rstcr_restart,
75 	.calibrate_decr		= generic_calibrate_decr,
76 	.progress		= udbg_progress,
77 };
78