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virtex.c
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1 /*
2  * Xilinx Virtex 5FXT based board support, derived from
3  * the Xilinx Virtex (IIpro & 4FX) based board support
4  *
5  * Copyright 2007 Secret Lab Technologies Ltd.
6  * Copyright 2008 Xilinx, Inc.
7  *
8  * This file is licensed under the terms of the GNU General Public License
9  * version 2. This program is licensed "as is" without any warranty of any
10  * kind, whether express or implied.
11  */
12 
13 #include <linux/init.h>
14 #include <linux/of_platform.h>
15 #include <asm/machdep.h>
16 #include <asm/prom.h>
17 #include <asm/time.h>
18 #include <asm/xilinx_intc.h>
19 #include <asm/xilinx_pci.h>
20 #include <asm/reg.h>
21 #include <asm/ppc4xx.h>
22 #include "44x.h"
23 
24 static struct of_device_id xilinx_of_bus_ids[] __initdata = {
25  { .compatible = "simple-bus", },
26  { .compatible = "xlnx,plb-v46-1.00.a", },
27  { .compatible = "xlnx,plb-v46-1.02.a", },
28  { .compatible = "xlnx,plb-v34-1.01.a", },
29  { .compatible = "xlnx,plb-v34-1.02.a", },
30  { .compatible = "xlnx,opb-v20-1.10.c", },
31  { .compatible = "xlnx,dcr-v29-1.00.a", },
32  { .compatible = "xlnx,compound", },
33  {}
34 };
35 
36 static int __init virtex_device_probe(void)
37 {
38  of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
39 
40  return 0;
41 }
42 machine_device_initcall(virtex, virtex_device_probe);
43 
44 static int __init virtex_probe(void)
45 {
46  unsigned long root = of_get_flat_dt_root();
47 
48  if (!of_flat_dt_is_compatible(root, "xlnx,virtex440"))
49  return 0;
50 
51  return 1;
52 }
53 
54 define_machine(virtex) {
55  .name = "Xilinx Virtex440",
56  .probe = virtex_probe,
57  .setup_arch = xilinx_pci_init,
58  .init_IRQ = xilinx_intc_init_tree,
59  .get_irq = xilinx_intc_get_irq,
60  .calibrate_decr = generic_calibrate_decr,
61  .restart = ppc4xx_reset_system,
62 };