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

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Old U-boot compatibility for Katmai
   4 *
   5 * Author: Hugh Blemings <hugh@au.ibm.com>
   6 *
   7 * Copyright 2007 Hugh Blemings, IBM Corporation.
   8 *   Based on cuboot-ebony.c which is:
   9 * Copyright 2007 David Gibson, IBM Corporation.
  10 *   Based on cuboot-83xx.c, which is:
  11 * Copyright (c) 2007 Freescale Semiconductor, Inc.
  12 */
  13
  14#include "ops.h"
  15#include "stdio.h"
  16#include "reg.h"
  17#include "dcr.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
  26static bd_t bd;
  27
  28BSS_STACK(4096);
  29
  30static void katmai_fixups(void)
  31{
  32        unsigned long sysclk = 33333000;
  33
  34        /* 440SP Clock logic is all but identical to 440GX
  35         * so we just use that code for now at least
  36         */
  37        ibm440spe_fixup_clocks(sysclk, 6 * 1843200, 0);
  38
  39        ibm440spe_fixup_memsize();
  40
  41        dt_fixup_mac_address(0, bd.bi_enetaddr);
  42
  43        ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  44}
  45
  46void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  47                   unsigned long r6, unsigned long r7)
  48{
  49        CUBOOT_INIT();
  50
  51        platform_ops.fixups = katmai_fixups;
  52        fdt_init(_dtb_start);
  53        serial_console_init();
  54}
  55