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

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Old U-boot compatibility for Sequoia
   4 *
   5 * Valentine Barshak <vbarshak@ru.mvista.com>
   6 * Copyright 2007 MontaVista Software, Inc
   7 *
   8 * Based on Ebony code by David Gibson <david@gibson.dropbear.id.au>
   9 * Copyright IBM Corporation, 2007
  10 *
  11 * Based on Bamboo code by Josh Boyer <jwboyer@linux.vnet.ibm.com>
  12 * Copyright IBM Corporation, 2007
  13 */
  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#include "cuboot.h"
  27
  28#define TARGET_4xx
  29#define TARGET_44x
  30#include "ppcboot.h"
  31
  32static bd_t bd;
  33
  34
  35static void sequoia_fixups(void)
  36{
  37        unsigned long sysclk = 33333333;
  38
  39        ibm440ep_fixup_clocks(sysclk, 11059200, 50000000);
  40        ibm4xx_fixup_ebc_ranges("/plb/opb/ebc");
  41        ibm4xx_denali_fixup_memsize();
  42        dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  43        dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  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        platform_ops.fixups = sequoia_fixups;
  51        platform_ops.exit = ibm44x_dbcr_reset;
  52        fdt_init(_dtb_start);
  53        serial_console_init();
  54}
  55