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1 /*
2  * P3060 QDS Setup
3  *
4  * Copyright 2011 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/kernel.h>
13 #include <linux/interrupt.h>
14 #include <linux/phy.h>
15 #include <asm/machdep.h>
16 #include <asm/udbg.h>
17 #include <asm/mpic.h>
18 #include <linux/of_platform.h>
19 #include <sysdev/fsl_soc.h>
20 #include <sysdev/fsl_pci.h>
21 #include <asm/ehv_pic.h>
22 #include "corenet_ds.h"
23 
24 /*
25  * Called very early, device-tree isn't unflattened
26  */
p3060_qds_probe(void)27 static int __init p3060_qds_probe(void)
28 {
29 	unsigned long root = of_get_flat_dt_root();
30 #ifdef CONFIG_SMP
31 	extern struct smp_ops_t smp_85xx_ops;
32 #endif
33 
34 	if (of_flat_dt_is_compatible(root, "fsl,P3060QDS"))
35 		return 1;
36 
37 	/* Check if we're running under the Freescale hypervisor */
38 	if (of_flat_dt_is_compatible(root, "fsl,P3060QDS-hv")) {
39 		ppc_md.init_IRQ = ehv_pic_init;
40 		ppc_md.get_irq = ehv_pic_get_irq;
41 		ppc_md.restart = fsl_hv_restart;
42 		ppc_md.power_off = fsl_hv_halt;
43 		ppc_md.halt = fsl_hv_halt;
44 #ifdef CONFIG_SMP
45 		/*
46 		 * Disable the timebase sync operations because we can't write
47 		 * to the timebase registers under the hypervisor.
48 		 */
49 		smp_85xx_ops.give_timebase = NULL;
50 		smp_85xx_ops.take_timebase = NULL;
51 #endif
52 		return 1;
53 	}
54 
55 	return 0;
56 }
57 
define_machine(p3060_qds)58 define_machine(p3060_qds) {
59 	.name			= "P3060 QDS",
60 	.probe			= p3060_qds_probe,
61 	.setup_arch		= corenet_ds_setup_arch,
62 	.init_IRQ		= corenet_ds_pic_init,
63 #ifdef CONFIG_PCI
64 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
65 #endif
66 	.get_irq		= mpic_get_coreint_irq,
67 	.restart		= fsl_rstcr_restart,
68 	.calibrate_decr		= generic_calibrate_decr,
69 	.progress		= udbg_progress,
70 	.power_save		= e500_idle,
71 };
72 
73 machine_device_initcall(p3060_qds, corenet_ds_publish_devices);
74 
75 #ifdef CONFIG_SWIOTLB
76 machine_arch_initcall(p3060_qds, swiotlb_setup_bus_notifier);
77 #endif
78