LXR linux/arch/powerpc/boot/cuboot-824x.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Old U-boot compatibility for 824x
   4 *
   5 * Copyright (c) 2007 Freescale Semiconductor, Inc.
   6 */
   7
   8#include "ops.h"
   9#include "stdio.h"
  10#include "cuboot.h"
  11
  12#define TARGET_824x
  13#include "ppcboot.h"
  14
  15static bd_t bd;
  16
  17
  18static void platform_fixups(void)
  19{
  20        void *soc;
  21
  22        dt_fixup_memory(bd.bi_memstart, bd.bi_memsize);
  23        dt_fixup_mac_addresses(bd.bi_enetaddr);
  24        dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
  25
  26        soc = find_node_by_devtype(NULL, "soc");
  27        if (soc) {
  28                void *serial = NULL;
  29
  30                setprop(soc, "bus-frequency", &bd.bi_busfreq,
  31                        sizeof(bd.bi_busfreq));
  32
  33                while ((serial = find_node_by_devtype(serial, "serial"))) {
  34                        if (get_parent(serial) != soc)
  35                                continue;
  36
  37                        setprop(serial, "clock-frequency", &bd.bi_busfreq,
  38                                sizeof(bd.bi_busfreq));
  39                }
  40        }
  41}
  42
  43void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  44                   unsigned long r6, unsigned long r7)
  45{
  46        CUBOOT_INIT();
  47        fdt_init(_dtb_start);
  48        serial_console_init();
  49        platform_ops.fixups = platform_fixups;
  50}
  51