release/src-rt-6.x.4708/linux/linux-2.6.36/arch/powerpc/boot/cuboot-sequoia.c

   1 /*
   2  * Old U-boot compatibility for Sequoia
   3  *
   4  * Valentine Barshak <vbarshak@ru.mvista.com>
   5  * Copyright 2007 MontaVista Software, Inc
   6  *
   7  * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
   8  * Copyright IBM Corporation, 2007
   9  *
  10  * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
  11  * Copyright IBM Corporation, 2007
  12  *
  13  * This program is free software; you can redistribute it and/or
  14  * modify it under the terms of the GNU General Public License
  15  * as published by the Free Software Foundation; version 2 of the License
  16  */
  17
  18 #include <stdarg.h>
  19 #include <stddef.h>
  20 #include "types.h"
  21 #include "elf.h"
  22 #include "string.h"
  23 #include "stdio.h"
  24 #include "page.h"
  25 #include "ops.h"
  26 #include "dcr.h"
  27 #include "4xx.h"
  28 #include "44x.h"
  29 #include "cuboot.h"
  30
  31 #define TARGET_4xx
  32 #define TARGET_44x
  33 #include "ppcboot.h"
  34
  35 static bd_t bd;
  36
  37
  38 static void sequoia_fixups(void)
  39 {
  40         unsigned long sysclk = 33333333;
  41
  42         ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
  43         ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  44         ibm4xx_denali_fixup_memsize();
  45         dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  46         dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  47 }
  48
  49 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  50                    unsigned long r6, unsigned long r7)
  51 {
  52         CUBOOT_INIT();
  53         platform_ops.fixups = sequoia_fixups;
  54         platform_ops.exit = ibm44x_dbcr_reset;
  55         fdt_init(_dtb_start);
  56         serial_console_init();
  57 }