LXR linux/arch/powerpc/boot/ep88xc.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Embedded Planet EP88xC with PlanetCore firmware
   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 "planetcore.h"
  13#include "mpc8xx.h"
  14
  15static char *table;
  16static u64 mem_size;
  17
  18static void platform_fixups(void)
  19{
  20        u64 val;
  21
  22        dt_fixup_memory(0, mem_size);
  23        planetcore_set_mac_addrs(table);
  24
  25        if (!planetcore_get_decimal(table, PLANETCORE_KEY_CRYSTAL_HZ, &val)) {
  26                printf("No PlanetCore crystal frequency key.\r\n");
  27                return;
  28        }
  29
  30        mpc885_fixup_clocks(val);
  31}
  32
  33void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
  34                   unsigned long r6, unsigned long r7)
  35{
  36        table = (char *)r3;
  37        planetcore_prepare_table(table);
  38
  39        if (!planetcore_get_decimal(table, PLANETCORE_KEY_MB_RAM, &mem_size))
  40                return;
  41
  42        mem_size *= 1024 * 1024;
  43        simple_alloc_init(_end, mem_size - (unsigned long)_end, 32, 64);
  44
  45        fdt_init(_dtb_start);
  46
  47        planetcore_set_stdout_path(table);
  48
  49        serial_console_init();
  50        platform_ops.fixups = platform_fixups;
  51}
  52