cpu/mpc83xx/fdt.c

   1 /*
   2  * Copyright 2007 Freescale Semiconductor, Inc.
   3  *
   4  * (C) Copyright 2000
   5  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   6  *
   7  * See file CREDITS for list of people who contributed to this
   8  * project.
   9  *
  10  * This program is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU General Public License as
  12  * published by the Free Software Foundation; either version 2 of
  13  * the License, or (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  23  * MA 02111-1307 USA
  24  */
  25
  26 #include <common.h>
  27 #include <libfdt.h>
  28 #include <fdt_support.h>
  29 #include <asm/processor.h>
  30
  31 extern void ft_qe_setup(void *blob);
  32
  33 DECLARE_GLOBAL_DATA_PTR;
  34
  35 void ft_cpu_setup(void *blob, bd_t *bd)
  36 {
  37         immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
  38         int spridr = immr->sysconf.spridr;
  39
  40         /*
  41          * delete crypto node if not on an E-processor
  42          * initial revisions of the MPC834xE/6xE have the original SEC 2.0.
  43          * EA revisions got the SEC uprevved to 2.4 but since the default device
  44          * tree contains SEC 2.0 properties we uprev them here.
  45          */
  46         if (!IS_E_PROCESSOR(spridr))
  47                 fdt_fixup_crypto_node(blob, 0);
  48         else if (IS_E_PROCESSOR(spridr) &&
  49                  (SPR_FAMILY(spridr) == SPR_834X_FAMILY ||
  50                   SPR_FAMILY(spridr) == SPR_836X_FAMILY) &&
  51                  REVID_MAJOR(spridr) >= 2)
  52                 fdt_fixup_crypto_node(blob, 0x0204);
  53
  54 #if defined(CONFIG_HAS_ETH0) || defined(CONFIG_HAS_ETH1) ||\
  55     defined(CONFIG_HAS_ETH2) || defined(CONFIG_HAS_ETH3) ||\
  56     defined(CONFIG_HAS_ETH4) || defined(CONFIG_HAS_ETH5)
  57         fdt_fixup_ethernet(blob);
  58 #endif
  59
  60         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  61                 "timebase-frequency", (bd->bi_busfreq / 4), 1);
  62         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  63                 "bus-frequency", bd->bi_busfreq, 1);
  64         do_fixup_by_prop_u32(blob, "device_type", "cpu", 4,
  65                 "clock-frequency", gd->core_clk, 1);
  66         do_fixup_by_prop_u32(blob, "device_type", "soc", 4,
  67                 "bus-frequency", bd->bi_busfreq, 1);
  68         do_fixup_by_compat_u32(blob, "fsl,soc",
  69                 "bus-frequency", bd->bi_busfreq, 1);
  70         do_fixup_by_compat_u32(blob, "fsl,soc",
  71                 "clock-frequency", bd->bi_busfreq, 1);
  72         do_fixup_by_compat_u32(blob, "fsl,immr",
  73                 "bus-frequency", bd->bi_busfreq, 1);
  74         do_fixup_by_compat_u32(blob, "fsl,immr",
  75                 "clock-frequency", bd->bi_busfreq, 1);
  76 #ifdef CONFIG_QE
  77         ft_qe_setup(blob);
  78 #endif
  79
  80 #ifdef CONFIG_SYS_NS16550
  81         do_fixup_by_compat_u32(blob, "ns16550",
  82                 "clock-frequency", CONFIG_SYS_NS16550_CLK, 1);
  83 #endif
  84
  85         fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
  86 }