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kernel/linux-imx6_3.14.28/arch/arm/mach-iop13xx/iq81340mc.c 2.5 KB
6b13f685e   김민수   BSP 최초 추가
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  /*
   * iq81340mc board support
   * Copyright (c) 2005-2006, Intel Corporation.
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   *
   * This program is distributed in the hope it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   * more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
   * Place - Suite 330, Boston, MA 02111-1307 USA.
   *
   */
  #include <linux/pci.h>
  
  #include <mach/hardware.h>
  #include <asm/irq.h>
  #include <asm/mach/pci.h>
  #include <asm/mach-types.h>
  #include <asm/mach/arch.h>
  #include <mach/pci.h>
  #include <asm/mach/time.h>
  #include <mach/time.h>
  
  extern int init_atu; /* Flag to select which ATU(s) to initialize / disable */
  
  static int __init
  iq81340mc_pcix_map_irq(const struct pci_dev *dev, u8 idsel, u8 pin)
  {
  	switch (idsel) {
  	case 1:
  		switch (pin) {
  		case 1: return ATUX_INTB;
  		case 2: return ATUX_INTC;
  		case 3: return ATUX_INTD;
  		case 4: return ATUX_INTA;
  		default: return -1;
  		}
  	case 2:
  		switch (pin) {
  		case 1: return ATUX_INTC;
  		case 2: return ATUX_INTD;
  		case 3: return ATUX_INTC;
  		case 4: return ATUX_INTD;
  		default: return -1;
  		}
  	default: return -1;
  	}
  }
  
  static struct hw_pci iq81340mc_pci __initdata = {
  	.nr_controllers = 0,
  	.setup		= iop13xx_pci_setup,
  	.map_irq	= iq81340mc_pcix_map_irq,
  	.scan		= iop13xx_scan_bus,
  	.preinit	= iop13xx_pci_init,
  };
  
  static int __init iq81340mc_pci_init(void)
  {
  	iop13xx_atu_select(&iq81340mc_pci);
  	pci_common_init(&iq81340mc_pci);
  	iop13xx_map_pci_memory();
  
  	return 0;
  }
  
  static void __init iq81340mc_init(void)
  {
  	iop13xx_platform_init();
  	iq81340mc_pci_init();
  	iop13xx_add_tpmi_devices();
  }
  
  static void __init iq81340mc_timer_init(void)
  {
  	unsigned long bus_freq = iop13xx_core_freq() / iop13xx_xsi_bus_ratio();
  	printk(KERN_DEBUG "%s: bus frequency: %lu
  ", __func__, bus_freq);
  	iop_init_time(bus_freq);
  }
  
  MACHINE_START(IQ81340MC, "Intel IQ81340MC")
  	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
  	.atag_offset    = 0x100,
  	.init_early     = iop13xx_init_early,
  	.map_io         = iop13xx_map_io,
  	.init_irq       = iop13xx_init_irq,
  	.init_time	= iq81340mc_timer_init,
  	.init_machine   = iq81340mc_init,
  	.restart	= iop13xx_restart,
  MACHINE_END