LXR linux/arch/powerpc/boot/cuboot-85xx.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Old U-boot compatibility for 85xx
   4 *
   5 * Author: Scott Wood <scottwood@freescale.com>
   6 *
   7 * Copyright (c) 2007 Freescale Semiconductor, Inc.
   8 */
   9
  10#include "ops.h"
  11#include "stdio.h"
  12#include "cuboot.h"
  13
  14#define TARGET_85xx
  15#define TARGET_HAS_ETH3
  16#include "ppcboot.h"
  17
  18static bd_t bd;
  19
  20static void platform_fixups(void)
  21{
  22        void *soc;
  23
  24        dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  25        dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr);
  26        dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr);
  27        dt_fixup_mac_address_by_alias("ethernet2", bd.bi_enet2addr);
  28        dt_fixup_mac_address_by_alias("ethernet3", bd.bi_enet3addr);
  29        dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 8, bd.bi_busfreq);
  30
  31        /* Unfortunately, the specific model number is encoded in the
  32         * soc node name in existing dts files -- once that is fixed,
  33         * this can do a simple path lookup.
  34         */
  35        soc = find_node_by_devtype(NULL, "soc");
  36        if (soc) {
  37                void *serial = NULL;
  38
  39                setprop(soc, "bus-frequency", &bd.bi_busfreq,
  40                        sizeof(bd.bi_busfreq));
  41
  42                while ((serial = find_node_by_devtype(serial, "serial"))) {
  43                        if (get_parent(serial) != soc)
  44                                continue;
  45
  46                        setprop(serial, "clock-frequency", &bd.bi_busfreq,
  47                                sizeof(bd.bi_busfreq));
  48                }
  49        }
  50}
  51
  52void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  53                   unsigned long r6, unsigned long r7)
  54{
  55        CUBOOT_INIT();
  56        fdt_init(_dtb_start);
  57        serial_console_init();
  58        platform_ops.fixups = platform_fixups;
  59}
  60