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/ppc4xx.h>
  18
  19 static struct of_device_id xilinx_of_bus_ids[] __initdata = {
  20         { .compatible = "xlnx,plb-v46-1.00.a", },
  21         { .compatible = "xlnx,plb-v34-1.01.a", },
  22         { .compatible = "xlnx,plb-v34-1.02.a", },
  23         { .compatible = "xlnx,opb-v20-1.10.c", },
  24         { .compatible = "xlnx,dcr-v29-1.00.a", },
  25         { .compatible = "xlnx,compound", },
  26         {}
  27 };
  28
  29 static int __init virtex_device_probe(void)
  30 {
  31         of_platform_bus_probe(NULL, xilinx_of_bus_ids, NULL);
  32
  33         return 0;
  34 }
  35 machine_device_initcall(virtex, virtex_device_probe);
  36
  37 static int __init virtex_probe(void)
  38 {
  39         unsigned long root = of_get_flat_dt_root();
  40
  41         if (!of_flat_dt_is_compatible(root, "xlnx,virtex"))
  42                 return 0;
  43
  44         return 1;
  45 }
  46
  47 define_machine(virtex) {
  48         .name                   = "Xilinx Virtex",
  49         .probe                  = virtex_probe,
  50         .init_IRQ               = xilinx_intc_init_tree,
  51         .get_irq                = xilinx_intc_get_irq,
  52         .restart                = ppc4xx_reset_system,
  53         .calibrate_decr         = generic_calibrate_decr,
  54 };