git.sur5r.net Git - u-boot/blob - 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 <linux/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         fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
  34
  35 #ifdef CONFIG_SYS_NS16550
  36         do_fixup_by_compat_u32(blob, "ns16550",
  37                                "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
  38 #endif
  39
  40 #ifdef CONFIG_MP
  41         /* Reserve the boot page so OSes dont use it */
  42         off = fdt_add_mem_rsv(blob, bootpg, (u64)4096);
  43         if (off < 0)
  44                 printf("%s: %s\n", __FUNCTION__, fdt_strerror(off));
  45
  46         ft_fixup_num_cores(blob);
  47 #endif
  48
  49 #ifdef CONFIG_SYS_SRIO
  50         ft_srio_setup(blob);
  51 #endif
  52 }