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