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kernel/linux-rt-4.4.41/arch/powerpc/boot/cuboot-kilauea.c 1.25 KB
5113f6f70   김현기   kernel add
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  /*
   * Old U-boot compatibility for PPC405EX. This image is already included
   * a dtb.
   *
   * Author: Tiejun Chen <tiejun.chen@windriver.com>
   *
   * Copyright (C) 2009 Wind River Systems, 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 "io.h"
  #include "dcr.h"
  #include "stdio.h"
  #include "4xx.h"
  #include "44x.h"
  #include "cuboot.h"
  
  #define TARGET_4xx
  #define TARGET_44x
  #include "ppcboot.h"
  
  #define KILAUEA_SYS_EXT_SERIAL_CLOCK     11059200        /* ext. 11.059MHz clk */
  
  static bd_t bd;
  
  static void kilauea_fixups(void)
  {
  	unsigned long sysclk = 33333333;
  
  	ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK);
  	dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  	dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  	dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  }
  
  void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  		unsigned long r6, unsigned long r7)
  {
  	CUBOOT_INIT();
  	platform_ops.fixups = kilauea_fixups;
  	platform_ops.exit = ibm40x_dbcr_reset;
  	fdt_init(_dtb_start);
  	serial_console_init();
  }