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kernel/linux-rt-4.4.41/arch/powerpc/boot/cuboot-8xx.c 1.12 KB
5113f6f70   김현기   kernel add
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  /*
   * Old U-boot compatibility for 8xx
   *
   * Author: Scott Wood <scottwood@freescale.com>
   *
   * Copyright (c) 2007 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 version 2 as published
   * by the Free Software Foundation.
   */
  
  #include "ops.h"
  #include "stdio.h"
  #include "cuboot.h"
  
  #define TARGET_8xx
  #define TARGET_HAS_ETH1
  #include "ppcboot.h"
  
  static bd_t bd;
  
  static void platform_fixups(void)
  {
  	void *node;
  
  	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  	dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr);
  	dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
  
  	node = finddevice("/soc/cpm");
  	if (node)
  		setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
  
  	node = finddevice("/soc/cpm/brg");
  	if (node)
  		setprop(node, "clock-frequency",  &bd.bi_busfreq, 4);
  }
  
  void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
                     unsigned long r6, unsigned long r7)
  {
  	CUBOOT_INIT();
  	fdt_init(_dtb_start);
  	serial_console_init();
  	platform_ops.fixups = platform_fixups;
  }