LXR linux/arch/powerpc/boot/cuboot-kilauea.c

   1/*
   2 * Old U-boot compatibility for PPC405EX. This image is already included
   3 * a dtb.
   4 *
   5 * Author: Tiejun Chen <tiejun.chen@windriver.com>
   6 *
   7 * Copyright (C) 2009 Wind River Systems, Inc.
   8 *
   9 * This program is free software; you can redistribute it and/or modify it
  10 * under the terms of the GNU General Public License version 2 as published
  11 * by the Free Software Foundation.
  12 */
  13
  14#include "ops.h"
  15#include "io.h"
  16#include "dcr.h"
  17#include "stdio.h"
  18#include "4xx.h"
  19#include "44x.h"
  20#include "cuboot.h"
  21
  22#define TARGET_4xx
  23#define TARGET_44x
  24#include "ppcboot.h"
  25
  26#define KILAUEA_SYS_EXT_SERIAL_CLOCK     11059200        /* ext. 11.059MHz clk */
  27
  28static bd_t bd;
  29
  30static void kilauea_fixups(void)
  31{
  32        unsigned long sysclk = 33333333;
  33
  34        ibm405ex_fixup_clocks(sysclk, KILAUEA_SYS_EXT_SERIAL_CLOCK);
  35        dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  36        ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  37        dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  38        dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  39}
  40
  41void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  42                unsigned long r6, unsigned long r7)
  43{
  44        CUBOOT_INIT();
  45        platform_ops.fixups = kilauea_fixups;
  46        platform_ops.exit = ibm40x_dbcr_reset;
  47        fdt_init(_dtb_start);
  48        serial_console_init();
  49}
  50