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kernel/linux-rt-4.4.41/arch/powerpc/boot/cuboot-sequoia.c 1.42 KB
5113f6f70   김현기   kernel add
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  /*
   * Old U-boot compatibility for Sequoia
   *
   * Valentine Barshak <vbarshak@ru.mvista.com>
   * Copyright 2007 MontaVista Software, Inc
   *
   * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
   * Copyright IBM Corporation, 2007
   *
   * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
   * Copyright IBM Corporation, 2007
   *
   * 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; version 2 of the License
   */
  
  #include <stdarg.h>
  #include <stddef.h>
  #include "types.h"
  #include "elf.h"
  #include "string.h"
  #include "stdio.h"
  #include "page.h"
  #include "ops.h"
  #include "dcr.h"
  #include "4xx.h"
  #include "44x.h"
  #include "cuboot.h"
  
  #define TARGET_4xx
  #define TARGET_44x
  #include "ppcboot.h"
  
  static bd_t bd;
  
  
  static void sequoia_fixups(void)
  {
  	unsigned long sysclk = 33333333;
  
  	ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
  	ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  	ibm4xx_denali_fixup_memsize();
  	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 = sequoia_fixups;
  	platform_ops.exit = ibm44x_dbcr_reset;
  	fdt_init(_dtb_start);
  	serial_console_init();
  }