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

   1 /*
   2  * Copyright IBM Corporation, 2007
   3  * Josh Boyer <jwboyer@linux.vnet.ibm.com>
   4  *
   5  * Based on ebony wrapper:
   6  * Copyright 2007 David Gibson, IBM Corporation.
   7  *
   8  * Clocking code based on code by:
   9  * Stefan Roese <sr@denx.de>
  10  *
  11  * This program is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License
  13  * as published by the Free Software Foundation; version 2 of the License
  14  */
  15 #include <stdarg.h>
  16 #include <stddef.h>
  17 #include "types.h"
  18 #include "elf.h"
  19 #include "string.h"
  20 #include "stdio.h"
  21 #include "page.h"
  22 #include "ops.h"
  23 #include "dcr.h"
  24 #include "4xx.h"
  25 #include "44x.h"
  26
  27 static u8 *bamboo_mac0, *bamboo_mac1;
  28
  29 static void bamboo_fixups(void)
  30 {
  31         unsigned long sysclk = 33333333;
  32
  33         ibm440ep_fixup_clocks(sysclk, 11059200, 25000000);
  34         ibm4xx_sdram_fixup_memsize();
  35         ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00);
  36         dt_fixup_mac_address_by_alias("ethernet0", bamboo_mac0);
  37         dt_fixup_mac_address_by_alias("ethernet1", bamboo_mac1);
  38 }
  39
  40 void bamboo_init(void *mac0, void *mac1)
  41 {
  42         platform_ops.fixups = bamboo_fixups;
  43         platform_ops.exit = ibm44x_dbcr_reset;
  44         bamboo_mac0 = mac0;
  45         bamboo_mac1 = mac1;
  46         fdt_init(_dtb_start);
  47         serial_console_init();
  48 }