arch/powerpc/cpu/mpc86xx/fdt.c

   1 /*
   2  * Copyright 2008, 2011 Freescale Semiconductor, Inc.
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0
   5  */
   6
   7 #include <common.h>
   8 #include <libfdt.h>
   9 #include <fdt_support.h>
  10 #include <asm/mp.h>
  11
  12 DECLARE_GLOBAL_DATA_PTR;
  13
  14 extern void ft_fixup_num_cores(void *blob);
  15 extern void ft_srio_setup(void *blob);
  16
  17 void ft_cpu_setup(void *blob, bd_t *bd)
  18 {
  19 #ifdef CONFIG_MP
  20         int off;
  21         u32 bootpg = determine_mp_bootpg(NULL);
  22 #endif
  23
  24         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  25                              "timebase-frequency", bd->bi_busfreq / 4, 1);
  26         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  27                              "bus-frequency", bd->bi_busfreq, 1);
  28         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  29                              "clock-frequency", bd->bi_intfreq, 1);
  30         do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
  31                              "bus-frequency", bd->bi_busfreq, 1);
  32
  33 #if defined(CONFIG_MPC8641)
  34         do_fixup_by_compat_u32(blob, "fsl,mpc8641-localbus",
  35                                "bus-frequency", gd->arch.lbc_clk, 1);
  36 #endif
  37         do_fixup_by_compat_u32(blob, "fsl,elbc",
  38                                "bus-frequency", gd->arch.lbc_clk, 1);
  39
  40         fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
  41
  42 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) \
  43     || defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3)
  44         fdt_fixup_ethernet(blob);
  45 #endif
  46
  47 #ifdef CONFIG_SYS_NS16550
  48         do_fixup_by_compat_u32(blob, "ns16550",
  49                                "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
  50 #endif
  51
  52 #ifdef CONFIG_MP
  53         /* Reserve the boot page so OSes dont use it */
  54         off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
  55         if (off < 0)
  56                 printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
  57
  58         ft_fixup_num_cores(blob);
  59 #endif
  60
  61 #ifdef CONFIG_SYS_SRIO
  62         ft_srio_setup(blob);
  63 #endif
  64 }