LXR uboot/arch/powerpc/cpu/mpc86xx/fdt.c

   1/*
   2 * Copyright 2008, 2011 Freescale Semiconductor, Inc.
   3 *
   4 * This program is free software; you can redistribute it and/or
   5 * modify it under the terms of the GNU General Public License
   6 * Version 2 as published by the Free Software Foundation.
   7 */
   8
   9#include <common.h>
  10#include <libfdt.h>
  11#include <fdt_support.h>
  12#include <asm/mp.h>
  13
  14DECLARE_GLOBAL_DATA_PTR;
  15
  16extern void ft_fixup_num_cores(void *blob);
  17extern void ft_srio_setup(void *blob);
  18
  19void ft_cpu_setup(void *blob, bd_t *bd)
  20{
  21#ifdef CONFIG_MP
  22        int off;
  23        u32 bootpg = determine_mp_bootpg();
  24#endif
  25
  26        do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  27                             "timebase-frequency", bd->bi_busfreq / 4, 1);
  28        do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  29                             "bus-frequency", bd->bi_busfreq, 1);
  30        do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  31                             "clock-frequency", bd->bi_intfreq, 1);
  32        do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
  33                             "bus-frequency", bd->bi_busfreq, 1);
  34
  35#if defined(CONFIG_MPC8641)
  36        do_fixup_by_compat_u32(blob, "fsl,mpc8641-localbus",
  37                               "bus-frequency", gd->lbc_clk, 1);
  38#endif
  39        do_fixup_by_compat_u32(blob, "fsl,elbc",
  40                               "bus-frequency", gd->lbc_clk, 1);
  41
  42        fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
  43
  44#if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) \
  45    || defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
  46        fdt_fixup_ethernet(blob);
  47#endif
  48
  49#ifdef CONFIG_SYS_NS16550
  50        do_fixup_by_compat_u32(blob, "ns16550",
  51                               "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
  52#endif
  53
  54#ifdef CONFIG_MP
  55        /* Reserve the boot page so OSes dont use it */
  56        off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
  57        if (off < 0)
  58                printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
  59
  60        ft_fixup_num_cores(blob);
  61#endif
  62
  63#ifdef CONFIG_SYS_SRIO
  64        ft_srio_setup(blob);
  65#endif
  66}
  67