arch/powerpc/boot/cuboot-katmai.c

   1 /*
   2  * Old U-boot compatibility for Katmai
   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 "reg.h"
  20 #include "dcr.h"
  21 #include "4xx.h"
  22 #include "44x.h"
  23 #include "cuboot.h"
  24
  25 #define TARGET_44x
  26 #include "ppcboot.h"
  27
  28 static bd_t bd;
  29
  30 BSS_STACK(4096);
  31
  32 static void katmai_fixups(void)
  33 {
  34         unsigned long sysclk = 33333000;
  35
  36         /* 440SP Clock logic is all but identical to 440GX
  37          * so we just use that code for now at least
  38          */
  39         ibm440spe_fixup_clocks(sysclk, 6 * 1843200, 0);
  40
  41         ibm440spe_fixup_memsize();
  42
  43         dt_fixup_mac_address(0, bd.bi_enetaddr);
  44
  45         ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  46 }
  47
  48 void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  49                    unsigned long r6, unsigned long r7)
  50 {
  51         CUBOOT_INIT();
  52
  53         platform_ops.fixups = katmai_fixups;
  54         fdt_init(_dtb_start);
  55         serial_console_init();
  56 }