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

   1/*
   2 * Old U-boot compatibility for Taishan
   3 *
   4 * Author: Hugh Blemings <hugh@au.ibm.com>
   5 *
   6 * Copyright 2007 Hugh Blemings, IBM Corporation.
   7 *   Based on cuboot-ebony.c which is:
   8 * Copyright 2007 David Gibson, IBM Corporation.
   9 *   Based on cuboot-83xx.c, which is:
  10 * Copyright (c) 2007 Freescale Semiconductor, Inc.
  11 *
  12 * This program is free software; you can redistribute it and/or modify it
  13 * under the terms of the GNU General Public License version 2 as published
  14 * by the Free Software Foundation.
  15 */
  16
  17#include "ops.h"
  18#include "stdio.h"
  19#include "cuboot.h"
  20#include "reg.h"
  21#include "dcr.h"
  22#include "4xx.h"
  23
  24#define TARGET_4xx
  25#define TARGET_44x
  26#define TARGET_440GX
  27#include "ppcboot.h"
  28
  29static bd_t bd;
  30
  31BSS_STACK(4096);
  32
  33static void taishan_fixups(void)
  34{
  35        /* FIXME: sysclk should be derived by reading the FPGA
  36           registers */
  37        unsigned long sysclk = 33000000;
  38
  39        ibm440gx_fixup_clocks(sysclk, 6 * 1843200, 25000000);
  40
  41        ibm4xx_sdram_fixup_memsize();
  42
  43        dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  44        dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  45
  46        ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  47}
  48
  49void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  50                   unsigned long r6, unsigned long r7)
  51{
  52        CUBOOT_INIT();
  53
  54        platform_ops.fixups = taishan_fixups;
  55        fdt_init(_dtb_start);
  56        serial_console_init();
  57}
  58