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kernel/linux-rt-4.4.41/arch/powerpc/platforms/85xx/c293pcie.c 1.59 KB
5113f6f70   김현기   kernel add
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  /*
   * C293PCIE Board Setup
   *
   * Copyright 2013 Freescale Semiconductor Inc.
   *
   * This program is free software; you can redistribute  it and/or modify it
   * under  the terms of  the GNU General  Public License as published by the
   * Free Software Foundation;  either version 2 of the  License, or (at your
   * option) any later version.
   */
  
  #include <linux/stddef.h>
  #include <linux/kernel.h>
  #include <linux/of_fdt.h>
  #include <linux/of_platform.h>
  
  #include <asm/machdep.h>
  #include <asm/udbg.h>
  #include <asm/mpic.h>
  
  #include <sysdev/fsl_soc.h>
  #include <sysdev/fsl_pci.h>
  
  #include "mpc85xx.h"
  
  void __init c293_pcie_pic_init(void)
  {
  	struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN |
  	  MPIC_SINGLE_DEST_CPU, 0, 256, " OpenPIC  ");
  
  	BUG_ON(mpic == NULL);
  
  	mpic_init(mpic);
  }
  
  
  /*
   * Setup the architecture
   */
  static void __init c293_pcie_setup_arch(void)
  {
  	if (ppc_md.progress)
  		ppc_md.progress("c293_pcie_setup_arch()", 0);
  
  	fsl_pci_assign_primary();
  
  	printk(KERN_INFO "C293 PCIE board from Freescale Semiconductor
  ");
  }
  
  machine_arch_initcall(c293_pcie, mpc85xx_common_publish_devices);
  
  /*
   * Called very early, device-tree isn't unflattened
   */
  static int __init c293_pcie_probe(void)
  {
  	unsigned long root = of_get_flat_dt_root();
  
  	if (of_flat_dt_is_compatible(root, "fsl,C293PCIE"))
  		return 1;
  	return 0;
  }
  
  define_machine(c293_pcie) {
  	.name			= "C293 PCIE",
  	.probe			= c293_pcie_probe,
  	.setup_arch		= c293_pcie_setup_arch,
  	.init_IRQ		= c293_pcie_pic_init,
  	.get_irq		= mpic_get_irq,
  	.restart		= fsl_rstcr_restart,
  	.calibrate_decr		= generic_calibrate_decr,
  	.progress		= udbg_progress,
  };